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-rw-r--r--drivers/scsi/qla2xxx/Kconfig9
-rw-r--r--drivers/scsi/qla2xxx/Makefile3
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c22
-rw-r--r--drivers/scsi/qla2xxx/qla_bsg.c12
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.c81
-rw-r--r--drivers/scsi/qla2xxx/qla_dbg.h9
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h78
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h9
-rw-r--r--drivers/scsi/qla2xxx/qla_gs.c4
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c199
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c90
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c94
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c615
-rw-r--r--drivers/scsi/qla2xxx/qla_mid.c18
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.c66
-rw-r--r--drivers/scsi/qla2xxx/qla_nx.h14
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c173
-rw-r--r--drivers/scsi/qla2xxx/qla_target.c4973
-rw-r--r--drivers/scsi/qla2xxx/qla_target.h1005
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.c1955
-rw-r--r--drivers/scsi/qla2xxx/tcm_qla2xxx.h82
21 files changed, 9087 insertions, 424 deletions
diff --git a/drivers/scsi/qla2xxx/Kconfig b/drivers/scsi/qla2xxx/Kconfig
index 6208d562890..317a7fdc3b8 100644
--- a/drivers/scsi/qla2xxx/Kconfig
+++ b/drivers/scsi/qla2xxx/Kconfig
@@ -25,3 +25,12 @@ config SCSI_QLA_FC
Firmware images can be retrieved from:
ftp://ftp.qlogic.com/outgoing/linux/firmware/
+
+config TCM_QLA2XXX
+ tristate "TCM_QLA2XXX fabric module for Qlogic 2xxx series target mode HBAs"
+ depends on SCSI_QLA_FC && TARGET_CORE
+ select LIBFC
+ select BTREE
+ default n
+ ---help---
+ Say Y here to enable the TCM_QLA2XXX fabric module for Qlogic 2xxx series target mode HBAs
diff --git a/drivers/scsi/qla2xxx/Makefile b/drivers/scsi/qla2xxx/Makefile
index 5df782f4a09..dce7d788cdc 100644
--- a/drivers/scsi/qla2xxx/Makefile
+++ b/drivers/scsi/qla2xxx/Makefile
@@ -1,5 +1,6 @@
qla2xxx-y := qla_os.o qla_init.o qla_mbx.o qla_iocb.o qla_isr.o qla_gs.o \
qla_dbg.o qla_sup.o qla_attr.o qla_mid.o qla_dfs.o qla_bsg.o \
- qla_nx.o
+ qla_nx.o qla_target.o
obj-$(CONFIG_SCSI_QLA_FC) += qla2xxx.o
+obj-$(CONFIG_TCM_QLA2XXX) += tcm_qla2xxx.o
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 5926f5a87ea..5ab953029f8 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -5,6 +5,7 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
#include <linux/kthread.h>
#include <linux/vmalloc.h>
@@ -576,6 +577,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
scsi_block_requests(vha->host);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
if (IS_QLA82XX(ha)) {
+ ha->flags.isp82xx_no_md_cap = 1;
qla82xx_idc_lock(ha);
qla82xx_set_reset_owner(vha);
qla82xx_idc_unlock(ha);
@@ -585,7 +587,7 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
scsi_unblock_requests(vha->host);
break;
case 0x2025d:
- if (!IS_QLA81XX(ha))
+ if (!IS_QLA81XX(ha) || !IS_QLA8031(ha))
return -EPERM;
ql_log(ql_log_info, vha, 0x706f,
@@ -1105,9 +1107,8 @@ qla2x00_total_isp_aborts_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
- struct qla_hw_data *ha = vha->hw;
return snprintf(buf, PAGE_SIZE, "%d\n",
- ha->qla_stats.total_isp_aborts);
+ vha->qla_stats.total_isp_aborts);
}
static ssize_t
@@ -1154,7 +1155,7 @@ qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
- if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
+ if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
@@ -1537,7 +1538,7 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
dma_addr_t stats_dma;
struct fc_host_statistics *pfc_host_stat;
- pfc_host_stat = &ha->fc_host_stat;
+ pfc_host_stat = &vha->fc_host_stat;
memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
if (test_bit(UNLOADING, &vha->dpc_flags))
@@ -1580,8 +1581,8 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
pfc_host_stat->dumped_frames = stats->dumped_frames;
pfc_host_stat->nos_count = stats->nos_rcvd;
}
- pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
- pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
+ pfc_host_stat->fcp_input_megabytes = vha->qla_stats.input_bytes >> 20;
+ pfc_host_stat->fcp_output_megabytes = vha->qla_stats.output_bytes >> 20;
done_free:
dma_pool_free(ha->s_dma_pool, stats, stats_dma);
@@ -1737,6 +1738,7 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
fc_host_supported_speeds(vha->host) =
fc_host_supported_speeds(base_vha->host);
+ qlt_vport_create(vha, ha);
qla24xx_vport_disable(fc_vport, disable);
if (ha->flags.cpu_affinity_enabled) {
@@ -1951,12 +1953,16 @@ qla2x00_init_host_attr(scsi_qla_host_t *vha)
fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
- fc_host_supported_classes(vha->host) = FC_COS_CLASS3;
+ fc_host_supported_classes(vha->host) = ha->tgt.enable_class_2 ?
+ (FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
if (IS_CNA_CAPABLE(ha))
speed = FC_PORTSPEED_10GBIT;
+ else if (IS_QLA2031(ha))
+ speed = FC_PORTSPEED_16GBIT | FC_PORTSPEED_8GBIT |
+ FC_PORTSPEED_4GBIT;
else if (IS_QLA25XX(ha))
speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index bc3cc6d9111..c68883806c5 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -297,7 +297,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job)
/* Initialize all required fields of fcport */
fcport->vha = vha;
- fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa =
bsg_job->request->rqst_data.h_els.port_id[0];
fcport->d_id.b.area =
@@ -483,7 +482,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job)
/* Initialize all required fields of fcport */
fcport->vha = vha;
- fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
@@ -544,7 +542,7 @@ qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
int rval = 0;
struct qla_hw_data *ha = vha->hw;
- if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
+ if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
goto done_set_internal;
new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1);
@@ -586,7 +584,7 @@ qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config,
uint16_t new_config[4];
struct qla_hw_data *ha = vha->hw;
- if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
+ if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
goto done_reset_internal;
memset(new_config, 0 , sizeof(new_config));
@@ -710,8 +708,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job)
elreq.options = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1];
if ((ha->current_topology == ISP_CFG_F ||
- (atomic_read(&vha->loop_state) == LOOP_DOWN) ||
- ((IS_QLA81XX(ha) || IS_QLA83XX(ha)) &&
+ ((IS_QLA81XX(ha) || IS_QLA8031(ha)) &&
le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE
&& req_data_len == MAX_ELS_FRAME_PAYLOAD)) &&
elreq.options == EXTERNAL_LOOPBACK) {
@@ -1402,6 +1399,9 @@ qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
if (rval)
return rval;
+ /* Set the isp82xx_no_md_cap not to capture minidump */
+ ha->flags.isp82xx_no_md_cap = 1;
+
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, ha->optrom_buffer,
ha->optrom_region_size);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c
index 62324a1d557..fdee5611f3e 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -11,27 +11,31 @@
* ----------------------------------------------------------------------
* | Level | Last Value Used | Holes |
* ----------------------------------------------------------------------
- * | Module Init and Probe | 0x0120 | 0x4b,0xba,0xfa |
- * | Mailbox commands | 0x113e | 0x112c-0x112e |
+ * | Module Init and Probe | 0x0122 | 0x4b,0xba,0xfa |
+ * | Mailbox commands | 0x1140 | 0x111a-0x111b |
+ * | | | 0x112c-0x112e |
* | | | 0x113a |
* | Device Discovery | 0x2086 | 0x2020-0x2022 |
* | Queue Command and IO tracing | 0x3030 | 0x3006,0x3008 |
* | | | 0x302d-0x302e |
- * | DPC Thread | 0x401c | |
- * | Async Events | 0x505d | 0x502b-0x502f |
+ * | DPC Thread | 0x401c | 0x4002,0x4013 |
+ * | Async Events | 0x505f | 0x502b-0x502f |
* | | | 0x5047,0x5052 |
- * | Timer Routines | 0x6011 | 0x600e-0x600f |
+ * | Timer Routines | 0x6011 | |
* | User Space Interactions | 0x709f | 0x7018,0x702e, |
* | | | 0x7039,0x7045, |
* | | | 0x7073-0x7075, |
* | | | 0x708c |
* | Task Management | 0x803c | 0x8025-0x8026 |
* | | | 0x800b,0x8039 |
- * | AER/EEH | 0x900f | |
+ * | AER/EEH | 0x9011 | |
* | Virtual Port | 0xa007 | |
- * | ISP82XX Specific | 0xb054 | 0xb053 |
+ * | ISP82XX Specific | 0xb054 | 0xb024 |
* | MultiQ | 0xc00c | |
* | Misc | 0xd010 | |
+ * | Target Mode | 0xe06f | |
+ * | Target Mode Management | 0xf071 | |
+ * | Target Mode Task Management | 0x1000b | |
* ----------------------------------------------------------------------
*/
@@ -379,6 +383,54 @@ qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
}
static inline void *
+qla2xxx_copy_atioqueues(struct qla_hw_data *ha, void *ptr,
+ uint32_t **last_chain)
+{
+ struct qla2xxx_mqueue_chain *q;
+ struct qla2xxx_mqueue_header *qh;
+ uint32_t num_queues;
+ int que;
+ struct {
+ int length;
+ void *ring;
+ } aq, *aqp;
+
+ if (!ha->tgt.atio_q_length)
+ return ptr;
+
+ num_queues = 1;
+ aqp = &aq;
+ aqp->length = ha->tgt.atio_q_length;
+ aqp->ring = ha->tgt.atio_ring;
+
+ for (que = 0; que < num_queues; que++) {
+ /* aqp = ha->atio_q_map[que]; */
+ q = ptr;
+ *last_chain = &q->type;
+ q->type = __constant_htonl(DUMP_CHAIN_QUEUE);
+ q->chain_size = htonl(
+ sizeof(struct qla2xxx_mqueue_chain) +
+ sizeof(struct qla2xxx_mqueue_header) +
+ (aqp->length * sizeof(request_t)));
+ ptr += sizeof(struct qla2xxx_mqueue_chain);
+
+ /* Add header. */
+ qh = ptr;
+ qh->queue = __constant_htonl(TYPE_ATIO_QUEUE);
+ qh->number = htonl(que);
+ qh->size = htonl(aqp->length * sizeof(request_t));
+ ptr += sizeof(struct qla2xxx_mqueue_header);
+
+ /* Add data. */
+ memcpy(ptr, aqp->ring, aqp->length * sizeof(request_t));
+
+ ptr += aqp->length * sizeof(request_t);
+ }
+
+ return ptr;
+}
+
+static inline void *
qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain)
{
struct qla2xxx_mqueue_chain *q;
@@ -873,6 +925,8 @@ qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
struct qla24xx_fw_dump *fw;
uint32_t ext_mem_cnt;
void *nxt;
+ void *nxt_chain;
+ uint32_t *last_chain = NULL;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
if (IS_QLA82XX(ha))
@@ -1091,6 +1145,16 @@ qla24xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
qla24xx_copy_eft(ha, nxt);
+ nxt_chain = (void *)ha->fw_dump + ha->chain_offset;
+ nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
+ if (last_chain) {
+ ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
+ *last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
+ }
+
+ /* Adjust valid length. */
+ ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump);
+
qla24xx_fw_dump_failed_0:
qla2xxx_dump_post_process(base_vha, rval);
@@ -1399,6 +1463,7 @@ qla25xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
/* Chain entries -- started with MQ. */
nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
+ nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
if (last_chain) {
ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
@@ -1717,6 +1782,7 @@ qla81xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked)
/* Chain entries -- started with MQ. */
nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
+ nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
if (last_chain) {
ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
@@ -2218,6 +2284,7 @@ copy_queue:
/* Chain entries -- started with MQ. */
nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain);
nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain);
+ nxt_chain = qla2xxx_copy_atioqueues(ha, nxt_chain, &last_chain);
if (last_chain) {
ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT);
*last_chain |= __constant_htonl(DUMP_CHAIN_LAST);
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index 2157bdf1569..f278df8cce0 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -244,6 +244,7 @@ struct qla2xxx_mqueue_header {
uint32_t queue;
#define TYPE_REQUEST_QUEUE 0x1
#define TYPE_RESPONSE_QUEUE 0x2
+#define TYPE_ATIO_QUEUE 0x3
uint32_t number;
uint32_t size;
};
@@ -339,3 +340,11 @@ ql_log_pci(uint32_t, struct pci_dev *pdev, int32_t, const char *fmt, ...);
#define ql_dbg_misc 0x00010000 /* For dumping everything that is not
* not covered by upper categories
*/
+#define ql_dbg_verbose 0x00008000 /* More verbosity for each level
+ * This is to be used with other levels where
+ * more verbosity is required. It might not
+ * be applicable to all the levels.
+ */
+#define ql_dbg_tgt 0x00004000 /* Target mode */
+#define ql_dbg_tgt_mgt 0x00002000 /* Target mode management */
+#define ql_dbg_tgt_tmr 0x00001000 /* Target mode task management */
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index a2443031dbe..39007f53aec 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -186,6 +186,7 @@
#define RESPONSE_ENTRY_CNT_2100 64 /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_2300 512 /* Number of response entries.*/
#define RESPONSE_ENTRY_CNT_MQ 128 /* Number of response entries.*/
+#define ATIO_ENTRY_CNT_24XX 4096 /* Number of ATIO entries. */
struct req_que;
@@ -1234,11 +1235,27 @@ typedef struct {
* ISP queue - response queue entry definition.
*/
typedef struct {
- uint8_t data[60];
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle; /* System defined handle */
+ uint8_t data[52];
uint32_t signature;
#define RESPONSE_PROCESSED 0xDEADDEAD /* Signature */
} response_t;
+/*
+ * ISP queue - ATIO queue entry definition.
+ */
+struct atio {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t data[58];
+ uint32_t signature;
+#define ATIO_PROCESSED 0xDEADDEAD /* Signature */
+};
+
typedef union {
uint16_t extended;
struct {
@@ -1719,11 +1736,13 @@ typedef struct fc_port {
struct fc_rport *rport, *drport;
u32 supported_classes;
- uint16_t vp_idx;
uint8_t fc4_type;
uint8_t scan_state;
} fc_port_t;
+#define QLA_FCPORT_SCAN_NONE 0
+#define QLA_FCPORT_SCAN_FOUND 1
+
/*
* Fibre channel port/lun states.
*/
@@ -1747,6 +1766,7 @@ static const char * const port_state_str[] = {
#define FCF_LOGIN_NEEDED BIT_1
#define FCF_FCP2_DEVICE BIT_2
#define FCF_ASYNC_SENT BIT_3
+#define FCF_CONF_COMP_SUPPORTED BIT_4
/* No loop ID flag. */
#define FC_NO_LOOP_ID 0x1000
@@ -2419,6 +2439,40 @@ struct qlfc_fw {
uint32_t len;
};
+struct qlt_hw_data {
+ /* Protected by hw lock */
+ uint32_t enable_class_2:1;
+ uint32_t enable_explicit_conf:1;
+ uint32_t ini_mode_force_reverse:1;
+ uint32_t node_name_set:1;
+
+ dma_addr_t atio_dma; /* Physical address. */
+ struct atio *atio_ring; /* Base virtual address */
+ struct atio *atio_ring_ptr; /* Current address. */
+ uint16_t atio_ring_index; /* Current index. */
+ uint16_t atio_q_length;
+
+ void *target_lport_ptr;
+ struct qla_tgt_func_tmpl *tgt_ops;
+ struct qla_tgt *qla_tgt;
+ struct qla_tgt_cmd *cmds[MAX_OUTSTANDING_COMMANDS];
+ uint16_t current_handle;
+
+ struct qla_tgt_vp_map *tgt_vp_map;
+ struct mutex tgt_mutex;
+ struct mutex tgt_host_action_mutex;
+
+ int saved_set;
+ uint16_t saved_exchange_count;
+ uint32_t saved_firmware_options_1;
+ uint32_t saved_firmware_options_2;
+ uint32_t saved_firmware_options_3;
+ uint8_t saved_firmware_options[2];
+ uint8_t saved_add_firmware_options[2];
+
+ uint8_t tgt_node_name[WWN_SIZE];
+};
+
/*
* Qlogic host adapter specific data structure.
*/
@@ -2460,7 +2514,9 @@ struct qla_hw_data {
uint32_t thermal_supported:1;
uint32_t isp82xx_reset_hdlr_active:1;
uint32_t isp82xx_reset_owner:1;
- /* 28 bits */
+ uint32_t isp82xx_no_md_cap:1;
+ uint32_t host_shutting_down:1;
+ /* 30 bits */
} flags;
/* This spinlock is used to protect "io transactions", you must
@@ -2804,7 +2860,6 @@ struct qla_hw_data {
/* ISP2322: red, green, amber. */
uint16_t zio_mode;
uint16_t zio_timer;
- struct fc_host_statistics fc_host_stat;
struct qla_msix_entry *msix_entries;
@@ -2817,7 +2872,6 @@ struct qla_hw_data {
int cur_vport_count;
struct qla_chip_state_84xx *cs84xx;
- struct qla_statistics qla_stats;
struct isp_operations *isp_ops;
struct workqueue_struct *wq;
struct qlfc_fw fw_buf;
@@ -2863,6 +2917,8 @@ struct qla_hw_data {
dma_addr_t md_tmplt_hdr_dma;
void *md_dump;
uint32_t md_dump_size;
+
+ struct qlt_hw_data tgt;
};
/*
@@ -2920,6 +2976,7 @@ typedef struct scsi_qla_host {
#define FCOE_CTX_RESET_NEEDED 18 /* Initiate FCoE context reset */
#define MPI_RESET_NEEDED 19 /* Initiate MPI FW reset */
#define ISP_QUIESCE_NEEDED 20 /* Driver need some quiescence */
+#define SCR_PENDING 21 /* SCR in target mode */
uint32_t device_flags;
#define SWITCH_FOUND BIT_0
@@ -2979,10 +3036,21 @@ typedef struct scsi_qla_host {
struct req_que *req;
int fw_heartbeat_counter;
int seconds_since_last_heartbeat;
+ struct fc_host_statistics fc_host_stat;
+ struct qla_statistics qla_stats;
atomic_t vref_count;
} scsi_qla_host_t;
+#define SET_VP_IDX 1
+#define SET_AL_PA 2
+#define RESET_VP_IDX 3
+#define RESET_AL_PA 4
+struct qla_tgt_vp_map {
+ uint8_t idx;
+ scsi_qla_host_t *vha;
+};
+
/*
* Macros to help code, maintain, etc.
*/
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 9f065804bd1..9eacd2df111 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -175,6 +175,7 @@ extern int qla2x00_vp_abort_isp(scsi_qla_host_t *);
/*
* Global Function Prototypes in qla_iocb.c source file.
*/
+
extern uint16_t qla2x00_calc_iocbs_32(uint16_t);
extern uint16_t qla2x00_calc_iocbs_64(uint16_t);
extern void qla2x00_build_scsi_iocbs_32(srb_t *, cmd_entry_t *, uint16_t);
@@ -188,6 +189,8 @@ extern uint16_t qla24xx_calc_iocbs(scsi_qla_host_t *, uint16_t);
extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t);
extern int qla24xx_dif_start_scsi(srb_t *);
+extern void *qla2x00_alloc_iocbs(scsi_qla_host_t *, srb_t *);
+extern int qla2x00_issue_marker(scsi_qla_host_t *, int);
/*
* Global Function Prototypes in qla_mbx.c source file.
@@ -239,6 +242,9 @@ extern int
qla2x00_init_firmware(scsi_qla_host_t *, uint16_t);
extern int
+qla2x00_get_node_name_list(scsi_qla_host_t *, void **, int *);
+
+extern int
qla2x00_get_port_database(scsi_qla_host_t *, fc_port_t *, uint8_t);
extern int
@@ -383,6 +389,8 @@ extern int qla2x00_request_irqs(struct qla_hw_data *, struct rsp_que *);
extern void qla2x00_free_irqs(scsi_qla_host_t *);
extern int qla2x00_get_data_rate(scsi_qla_host_t *);
+extern char *qla2x00_get_link_speed_str(struct qla_hw_data *);
+
/*
* Global Function Prototypes in qla_sup.c source file.
*/
@@ -546,6 +554,7 @@ extern void qla2x00_sp_free(void *, void *);
extern void qla2x00_sp_timeout(unsigned long);
extern void qla2x00_bsg_job_done(void *, void *, int);
extern void qla2x00_bsg_sp_free(void *, void *);
+extern void qla2x00_start_iocbs(struct scsi_qla_host *, struct req_que *);
/* Interrupt related */
extern irqreturn_t qla82xx_intr_handler(int, void *);
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 3128f80441f..05260d25fe4 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -5,6 +5,7 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
static int qla2x00_sns_ga_nxt(scsi_qla_host_t *, fc_port_t *);
static int qla2x00_sns_gid_pt(scsi_qla_host_t *, sw_info_t *);
@@ -556,7 +557,8 @@ qla2x00_rff_id(scsi_qla_host_t *vha)
ct_req->req.rff_id.port_id[1] = vha->d_id.b.area;
ct_req->req.rff_id.port_id[2] = vha->d_id.b.al_pa;
- ct_req->req.rff_id.fc4_feature = BIT_1;
+ qlt_rff_id(vha, ct_req);
+
ct_req->req.rff_id.fc4_type = 0x08; /* SCSI - FCP */
/* Execute MS IOCB */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index b9465643396..ca508474313 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -17,6 +17,9 @@
#include <asm/prom.h>
#endif
+#include <target/target_core_base.h>
+#include "qla_target.h"
+
/*
* QLogic ISP2x00 Hardware Support Function Prototypes.
*/
@@ -518,7 +521,10 @@ qla2x00_initialize_adapter(scsi_qla_host_t *vha)
return QLA_FUNCTION_FAILED;
}
}
- rval = qla2x00_init_rings(vha);
+
+ if (qla_ini_mode_enabled(vha))
+ rval = qla2x00_init_rings(vha);
+
ha->flags.chip_reset_done = 1;
if (rval == QLA_SUCCESS && IS_QLA84XX(ha)) {
@@ -1233,6 +1239,8 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha)
mq_size += ha->max_rsp_queues *
(rsp->length * sizeof(response_t));
}
+ if (ha->tgt.atio_q_length)
+ mq_size += ha->tgt.atio_q_length * sizeof(request_t);
/* Allocate memory for Fibre Channel Event Buffer. */
if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha))
goto try_eft;
@@ -1696,6 +1704,12 @@ qla24xx_config_rings(struct scsi_qla_host *vha)
icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
+ /* Setup ATIO queue dma pointers for target mode */
+ icb->atio_q_inpointer = __constant_cpu_to_le16(0);
+ icb->atio_q_length = cpu_to_le16(ha->tgt.atio_q_length);
+ icb->atio_q_address[0] = cpu_to_le32(LSD(ha->tgt.atio_dma));
+ icb->atio_q_address[1] = cpu_to_le32(MSD(ha->tgt.atio_dma));
+
if (ha->mqenable || IS_QLA83XX(ha)) {
icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS);
icb->rid = __constant_cpu_to_le16(rid);
@@ -1739,6 +1753,8 @@ qla24xx_config_rings(struct scsi_qla_host *vha)
WRT_REG_DWORD(&reg->isp24.rsp_q_in, 0);
WRT_REG_DWORD(&reg->isp24.rsp_q_out, 0);
}
+ qlt_24xx_config_rings(vha, reg);
+
/* PCI posting */
RD_REG_DWORD(&ioreg->hccr);
}
@@ -1794,6 +1810,11 @@ qla2x00_init_rings(scsi_qla_host_t *vha)
spin_unlock(&ha->vport_slock);
+ ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
+ ha->tgt.atio_ring_index = 0;
+ /* Initialize ATIO queue entries */
+ qlt_init_atio_q_entries(vha);
+
ha->isp_ops->config_rings(vha);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -2051,6 +2072,10 @@ qla2x00_configure_hba(scsi_qla_host_t *vha)
vha->d_id.b.area = area;
vha->d_id.b.al_pa = al_pa;
+ spin_lock(&ha->vport_slock);
+ qlt_update_vp_map(vha, SET_AL_PA);
+ spin_unlock(&ha->vport_slock);
+
if (!vha->flags.init_done)
ql_log(ql_log_info, vha, 0x2010,
"Topology - %s, Host Loop address 0x%x.\n",
@@ -2185,7 +2210,7 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
nv->id[2] != 'P' || nv->id[3] != ' ' || nv->nvram_version < 1) {
/* Reset NVRAM data. */
ql_log(ql_log_warn, vha, 0x0064,
- "Inconisistent NVRAM "
+ "Inconsistent NVRAM "
"detected: checksum=0x%x id=%c version=0x%x.\n",
chksum, nv->id[0], nv->nvram_version);
ql_log(ql_log_warn, vha, 0x0065,
@@ -2270,7 +2295,7 @@ qla2x00_nvram_config(scsi_qla_host_t *vha)
if (IS_QLA23XX(ha)) {
nv->firmware_options[0] |= BIT_2;
nv->firmware_options[0] &= ~BIT_3;
- nv->firmware_options[0] &= ~BIT_6;
+ nv->special_options[0] &= ~BIT_6;
nv->add_firmware_options[1] |= BIT_5 | BIT_4;
if (IS_QLA2300(ha)) {
@@ -2467,14 +2492,21 @@ qla2x00_rport_del(void *data)
{
fc_port_t *fcport = data;
struct fc_rport *rport;
+ scsi_qla_host_t *vha = fcport->vha;
unsigned long flags;
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
rport = fcport->drport ? fcport->drport: fcport->rport;
fcport->drport = NULL;
spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
- if (rport)
+ if (rport) {
fc_remote_port_delete(rport);
+ /*
+ * Release the target mode FC NEXUS in qla_target.c code
+ * if target mod is enabled.
+ */
+ qlt_fc_port_deleted(vha, fcport);
+ }
}
/**
@@ -2495,11 +2527,11 @@ qla2x00_alloc_fcport(scsi_qla_host_t *vha, gfp_t flags)
/* Setup fcport template structure. */
fcport->vha = vha;
- fcport->vp_idx = vha->vp_idx;
fcport->port_type = FCT_UNKNOWN;
fcport->loop_id = FC_NO_LOOP_ID;
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
fcport->supported_classes = FC_COS_UNSPECIFIED;
+ fcport->scan_state = QLA_FCPORT_SCAN_NONE;
return fcport;
}
@@ -2726,7 +2758,6 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
new_fcport->d_id.b.area = area;
new_fcport->d_id.b.al_pa = al_pa;
new_fcport->loop_id = loop_id;
- new_fcport->vp_idx = vha->vp_idx;
rval2 = qla2x00_get_port_database(vha, new_fcport, 0);
if (rval2 != QLA_SUCCESS) {
ql_dbg(ql_dbg_disc, vha, 0x201a,
@@ -2760,10 +2791,6 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha)
if (!found) {
/* New device, add to fcports list. */
- if (vha->vp_idx) {
- new_fcport->vha = vha;
- new_fcport->vp_idx = vha->vp_idx;
- }
list_add_tail(&new_fcport->list, &vha->vp_fcports);
/* Allocate a new replacement fcport. */
@@ -2800,8 +2827,6 @@ cleanup_allocation:
static void
qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
{
-#define LS_UNKNOWN 2
- static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
char *link_speed;
int rval;
uint16_t mb[4];
@@ -2829,11 +2854,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
fcport->port_name[6], fcport->port_name[7], rval,
fcport->fp_speed, mb[0], mb[1]);
} else {
- link_speed = link_speeds[LS_UNKNOWN];
- if (fcport->fp_speed < 5)
- link_speed = link_speeds[fcport->fp_speed];
- else if (fcport->fp_speed == 0x13)
- link_speed = link_speeds[5];
+ link_speed = qla2x00_get_link_speed_str(ha);
ql_dbg(ql_dbg_disc, vha, 0x2005,
"iIDMA adjusted to %s GB/s "
"on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
@@ -2864,6 +2885,12 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
"Unable to allocate fc remote port.\n");
return;
}
+ /*
+ * Create target mode FC NEXUS in qla_target.c if target mode is
+ * enabled..
+ */
+ qlt_fc_port_added(vha, fcport);
+
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
*((fc_port_t **)rport->dd_data) = fcport;
spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
@@ -2921,7 +2948,7 @@ static int
qla2x00_configure_fabric(scsi_qla_host_t *vha)
{
int rval;
- fc_port_t *fcport, *fcptemp;
+ fc_port_t *fcport;
uint16_t next_loopid;
uint16_t mb[MAILBOX_REGISTER_COUNT];
uint16_t loop_id;
@@ -2959,7 +2986,7 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
0xfc, mb, BIT_1|BIT_0);
if (rval != QLA_SUCCESS) {
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
- return rval;
+ break;
}
if (mb[0] != MBS_COMMAND_COMPLETE) {
ql_dbg(ql_dbg_disc, vha, 0x2042,
@@ -2991,21 +3018,16 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
}
}
-#define QLA_FCPORT_SCAN 1
-#define QLA_FCPORT_FOUND 2
-
- list_for_each_entry(fcport, &vha->vp_fcports, list) {
- fcport->scan_state = QLA_FCPORT_SCAN;
- }
-
rval = qla2x00_find_all_fabric_devs(vha, &new_fcports);
if (rval != QLA_SUCCESS)
break;
- /*
- * Logout all previous fabric devices marked lost, except
- * FCP2 devices.
- */
+ /* Add new ports to existing port list */
+ list_splice_tail_init(&new_fcports, &vha->vp_fcports);
+
+ /* Starting free loop ID. */
+ next_loopid = ha->min_external_loopid;
+
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
break;
@@ -3013,7 +3035,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
if ((fcport->flags & FCF_FABRIC_DEVICE) == 0)
continue;
- if (fcport->scan_state == QLA_FCPORT_SCAN &&
+ /* Logout lost/gone fabric devices (non-FCP2) */
+ if (fcport->scan_state != QLA_FCPORT_SCAN_FOUND &&
atomic_read(&fcport->state) == FCS_ONLINE) {
qla2x00_mark_device_lost(vha, fcport,
ql2xplogiabsentdevice, 0);
@@ -3026,78 +3049,30 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha)
fcport->d_id.b.domain,
fcport->d_id.b.area,
fcport->d_id.b.al_pa);
- fcport->loop_id = FC_NO_LOOP_ID;
}
- }
- }
-
- /* Starting free loop ID. */
- next_loopid = ha->min_external_loopid;
-
- /*
- * Scan through our port list and login entries that need to be
- * logged in.
- */
- list_for_each_entry(fcport, &vha->vp_fcports, list) {
- if (atomic_read(&vha->loop_down_timer) ||
- test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
- break;
-
- if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 ||
- (fcport->flags & FCF_LOGIN_NEEDED) == 0)
continue;
-
- if (fcport->loop_id == FC_NO_LOOP_ID) {
- fcport->loop_id = next_loopid;
- rval = qla2x00_find_new_loop_id(
- base_vha, fcport);
- if (rval != QLA_SUCCESS) {
- /* Ran out of IDs to use */
- break;
- }
}
- /* Login and update database */
- qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
- }
-
- /* Exit if out of loop IDs. */
- if (rval != QLA_SUCCESS) {
- break;
- }
-
- /*
- * Login and add the new devices to our port list.
- */
- list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
- if (atomic_read(&vha->loop_down_timer) ||
- test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
- break;
-
- /* Find a new loop ID to use. */
- fcport->loop_id = next_loopid;
- rval = qla2x00_find_new_loop_id(base_vha, fcport);
- if (rval != QLA_SUCCESS) {
- /* Ran out of IDs to use */
- break;
+ fcport->scan_state = QLA_FCPORT_SCAN_NONE;
+
+ /* Login fabric devices that need a login */
+ if ((fcport->flags & FCF_LOGIN_NEEDED) != 0 &&
+ atomic_read(&vha->loop_down_timer) == 0) {
+ if (fcport->loop_id == FC_NO_LOOP_ID) {
+ fcport->loop_id = next_loopid;
+ rval = qla2x00_find_new_loop_id(
+ base_vha, fcport);
+ if (rval != QLA_SUCCESS) {
+ /* Ran out of IDs to use */
+ continue;
+ }
+ }
}
/* Login and update database */
qla2x00_fabric_dev_login(vha, fcport, &next_loopid);
-
- if (vha->vp_idx) {
- fcport->vha = vha;
- fcport->vp_idx = vha->vp_idx;
- }
- list_move_tail(&fcport->list, &vha->vp_fcports);
}
} while (0);
- /* Free all new device structures not processed. */
- list_for_each_entry_safe(fcport, fcptemp, &new_fcports, list) {
- list_del(&fcport->list);
- kfree(fcport);
- }
-
if (rval) {
ql_dbg(ql_dbg_disc, vha, 0x2068,
"Configure fabric error exit rval=%d.\n", rval);
@@ -3287,7 +3262,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha,
WWN_SIZE))
continue;
- fcport->scan_state = QLA_FCPORT_FOUND;
+ fcport->scan_state = QLA_FCPORT_SCAN_FOUND;
found++;
@@ -3595,6 +3570,12 @@ qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport,
if (mb[10] & BIT_1)
fcport->supported_classes |= FC_COS_CLASS3;
+ if (IS_FWI2_CAPABLE(ha)) {
+ if (mb[10] & BIT_7)
+ fcport->flags |=
+ FCF_CONF_COMP_SUPPORTED;
+ }
+
rval = QLA_SUCCESS;
break;
} else if (mb[0] == MBS_LOOP_ID_USED) {
@@ -3841,7 +3822,7 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha)
vha->flags.online = 0;
ha->flags.chip_reset_done = 0;
clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- ha->qla_stats.total_isp_aborts++;
+ vha->qla_stats.total_isp_aborts++;
ql_log(ql_log_info, vha, 0x00af,
"Performing ISP error recovery - ha=%p.\n", ha);
@@ -4066,6 +4047,7 @@ qla2x00_restart_isp(scsi_qla_host_t *vha)
struct qla_hw_data *ha = vha->hw;
struct req_que *req = ha->req_q_map[0];
struct rsp_que *rsp = ha->rsp_q_map[0];
+ unsigned long flags;
/* If firmware needs to be loaded */
if (qla2x00_isp_firmware(vha)) {
@@ -4090,6 +4072,16 @@ qla2x00_restart_isp(scsi_qla_host_t *vha)
qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL);
vha->flags.online = 1;
+
+ /*
+ * Process any ATIO queue entries that came in
+ * while we weren't online.
+ */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (qla_tgt_mode_enabled(vha))
+ qlt_24xx_process_atio_queue(vha);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
/* Wait at most MAX_TARGET RSCNs for a stable link. */
wait_time = 256;
do {
@@ -4279,7 +4271,7 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
/* Reset NVRAM data. */
ql_log(ql_log_warn, vha, 0x006b,
- "Inconisistent NVRAM detected: checksum=0x%x id=%c "
+ "Inconsistent NVRAM detected: checksum=0x%x id=%c "
"version=0x%x.\n", chksum, nv->id[0], nv->nvram_version);
ql_log(ql_log_warn, vha, 0x006c,
"Falling back to functioning (yet invalid -- WWPN) "
@@ -4330,6 +4322,15 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
rval = 1;
}
+ if (!qla_ini_mode_enabled(vha)) {
+ /* Don't enable full login after initial LIP */
+ nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
+ /* Don't enable LIP full login for initiator */
+ nv->host_p &= __constant_cpu_to_le32(~BIT_10);
+ }
+
+ qlt_24xx_config_nvram_stage1(vha, nv);
+
/* Reset Initialization control block */
memset(icb, 0, ha->init_cb_size);
@@ -4357,8 +4358,10 @@ qla24xx_nvram_config(scsi_qla_host_t *vha)
qla2x00_set_model_info(vha, nv->model_name, sizeof(nv->model_name),
"QLA2462");
- /* Use alternate WWN? */
+ qlt_24xx_config_nvram_stage2(vha, icb);
+
if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
+ /* Use alternate WWN? */
memcpy(icb->node_name, nv->alternate_node_name, WWN_SIZE);
memcpy(icb->port_name, nv->alternate_port_name, WWN_SIZE);
}
@@ -5029,7 +5032,7 @@ qla81xx_nvram_config(scsi_qla_host_t *vha)
nv->nvram_version < __constant_cpu_to_le16(ICB_VERSION)) {
/* Reset NVRAM data. */
ql_log(ql_log_info, vha, 0x0073,
- "Inconisistent NVRAM detected: checksum=0x%x id=%c "
+ "Inconsistent NVRAM detected: checksum=0x%x id=%c "
"version=0x%x.\n", chksum, nv->id[0],
le16_to_cpu(nv->nvram_version));
ql_log(ql_log_info, vha, 0x0074,
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index eac95092449..70dbf53d9e0 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -5,6 +5,7 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
#include <linux/blkdev.h>
#include <linux/delay.h>
@@ -23,18 +24,17 @@ qla2x00_get_cmd_direction(srb_t *sp)
{
uint16_t cflags;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
+ struct scsi_qla_host *vha = sp->fcport->vha;
cflags = 0;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cflags = CF_WRITE;
- sp->fcport->vha->hw->qla_stats.output_bytes +=
- scsi_bufflen(cmd);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cflags = CF_READ;
- sp->fcport->vha->hw->qla_stats.input_bytes +=
- scsi_bufflen(cmd);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
}
return (cflags);
}
@@ -385,9 +385,10 @@ qla2x00_start_scsi(srb_t *sp)
else
req->cnt = req->length -
(req->ring_index - cnt);
+ /* If still no head room then bail out */
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
/* Build command packet */
req->current_outstanding_cmd = handle;
@@ -470,7 +471,7 @@ queuing_error:
/**
* qla2x00_start_iocbs() - Execute the IOCB command
*/
-static void
+void
qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req)
{
struct qla_hw_data *ha = vha->hw;
@@ -571,6 +572,29 @@ qla2x00_marker(struct scsi_qla_host *vha, struct req_que *req,
return (ret);
}
+/*
+ * qla2x00_issue_marker
+ *
+ * Issue marker
+ * Caller CAN have hardware lock held as specified by ha_locked parameter.
+ * Might release it, then reaquire.
+ */
+int qla2x00_issue_marker(scsi_qla_host_t *vha, int ha_locked)
+{
+ if (ha_locked) {
+ if (__qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
+ MK_SYNC_ALL) != QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ } else {
+ if (qla2x00_marker(vha, vha->req, vha->req->rsp, 0, 0,
+ MK_SYNC_ALL) != QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ }
+ vha->marker_needed = 0;
+
+ return QLA_SUCCESS;
+}
+
/**
* qla24xx_calc_iocbs() - Determine number of Command Type 3 and
* Continuation Type 1 IOCBs to allocate.
@@ -629,11 +653,11 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_WRITE_DATA);
- ha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_READ_DATA);
- ha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
}
cur_seg = scsi_sglist(cmd);
@@ -745,13 +769,11 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_WRITE_DATA);
- sp->fcport->vha->hw->qla_stats.output_bytes +=
- scsi_bufflen(cmd);
+ vha->qla_stats.output_bytes += scsi_bufflen(cmd);
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->task_mgmt_flags =
__constant_cpu_to_le16(TMF_READ_DATA);
- sp->fcport->vha->hw->qla_stats.input_bytes +=
- scsi_bufflen(cmd);
+ vha->qla_stats.input_bytes += scsi_bufflen(cmd);
}
/* One DSD is available in the Command Type 3 IOCB */
@@ -1245,7 +1267,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
return QLA_SUCCESS;
}
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
@@ -1502,9 +1524,9 @@ qla24xx_start_scsi(srb_t *sp)
else
req->cnt = req->length -
(req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
/* Build command packet. */
req->current_outstanding_cmd = handle;
@@ -1527,7 +1549,7 @@ qla24xx_start_scsi(srb_t *sp)
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
@@ -1717,11 +1739,10 @@ qla24xx_dif_start_scsi(srb_t *sp)
else
req->cnt = req->length -
(req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
-
status |= QDSS_GOT_Q_SPACE;
/* Build header part of command packet (excluding the OPCODE). */
@@ -1898,7 +1919,7 @@ qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
@@ -1922,7 +1943,7 @@ qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
}
static void
@@ -1935,7 +1956,7 @@ qla24xx_logout_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->port_id[0] = sp->fcport->d_id.b.al_pa;
logio->port_id[1] = sp->fcport->d_id.b.area;
logio->port_id[2] = sp->fcport->d_id.b.domain;
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
@@ -1952,7 +1973,7 @@ qla2x00_logout_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb2 = cpu_to_le16(sp->fcport->d_id.b.domain);
mbx->mb3 = cpu_to_le16(sp->fcport->d_id.b.area << 8 |
sp->fcport->d_id.b.al_pa);
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
/* Implicit: mbx->mbx10 = 0. */
}
@@ -1962,7 +1983,7 @@ qla24xx_adisc_iocb(srb_t *sp, struct logio_entry_24xx *logio)
logio->entry_type = LOGINOUT_PORT_IOCB_TYPE;
logio->control_flags = cpu_to_le16(LCF_COMMAND_ADISC);
logio->nport_handle = cpu_to_le16(sp->fcport->loop_id);
- logio->vp_index = sp->fcport->vp_idx;
+ logio->vp_index = sp->fcport->vha->vp_idx;
}
static void
@@ -1983,7 +2004,7 @@ qla2x00_adisc_iocb(srb_t *sp, struct mbx_entry *mbx)
mbx->mb3 = cpu_to_le16(LSW(ha->async_pd_dma));
mbx->mb6 = cpu_to_le16(MSW(MSD(ha->async_pd_dma)));
mbx->mb7 = cpu_to_le16(LSW(MSD(ha->async_pd_dma)));
- mbx->mb9 = cpu_to_le16(sp->fcport->vp_idx);
+ mbx->mb9 = cpu_to_le16(sp->fcport->vha->vp_idx);
}
static void
@@ -2009,7 +2030,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk)
tsk->port_id[0] = fcport->d_id.b.al_pa;
tsk->port_id[1] = fcport->d_id.b.area;
tsk->port_id[2] = fcport->d_id.b.domain;
- tsk->vp_index = fcport->vp_idx;
+ tsk->vp_index = fcport->vha->vp_idx;
if (flags == TCF_LUN_RESET) {
int_to_scsilun(lun, &tsk->lun);
@@ -2030,7 +2051,7 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb)
els_iocb->handle = sp->handle;
els_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
els_iocb->tx_dsd_count = __constant_cpu_to_le16(bsg_job->request_payload.sg_cnt);
- els_iocb->vp_index = sp->fcport->vp_idx;
+ els_iocb->vp_index = sp->fcport->vha->vp_idx;
els_iocb->sof_type = EST_SOFI3;
els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt);
@@ -2160,7 +2181,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb)
ct_iocb->handle = sp->handle;
ct_iocb->nport_handle = cpu_to_le16(sp->fcport->loop_id);
- ct_iocb->vp_index = sp->fcport->vp_idx;
+ ct_iocb->vp_index = sp->fcport->vha->vp_idx;
ct_iocb->comp_status = __constant_cpu_to_le16(0);
ct_iocb->cmd_dsd_count =
@@ -2343,11 +2364,10 @@ sufficient_dsds:
else
req->cnt = req->length -
(req->ring_index - cnt);
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
}
- if (req->cnt < (req_cnt + 2))
- goto queuing_error;
-
ctx = sp->u.scmd.ctx =
mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
if (!ctx) {
@@ -2362,7 +2382,7 @@ sufficient_dsds:
if (!ctx->fcp_cmnd) {
ql_log(ql_log_fatal, vha, 0x3011,
"Failed to allocate fcp_cmnd for cmd=%p.\n", cmd);
- goto queuing_error_fcp_cmnd;
+ goto queuing_error;
}
/* Initialize the DSD list and dma handle */
@@ -2400,7 +2420,7 @@ sufficient_dsds:
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
/* Build IOCB segments */
if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
@@ -2489,7 +2509,7 @@ sufficient_dsds:
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
- cmd_pkt->vp_index = sp->fcport->vp_idx;
+ cmd_pkt->vp_index = sp->fcport->vha->vp_idx;
int_to_scsilun(cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index ce42288049b..6f67a9d4998 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -5,6 +5,7 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
#include <linux/delay.h>
#include <linux/slab.h>
@@ -309,6 +310,28 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
"IDC failed to post ACK.\n");
}
+#define LS_UNKNOWN 2
+char *
+qla2x00_get_link_speed_str(struct qla_hw_data *ha)
+{
+ static char *link_speeds[] = {"1", "2", "?", "4", "8", "16", "10"};
+ char *link_speed;
+ int fw_speed = ha->link_data_rate;
+
+ if (IS_QLA2100(ha) || IS_QLA2200(ha))
+ link_speed = link_speeds[0];
+ else if (fw_speed == 0x13)
+ link_speed = link_speeds[6];
+ else {
+ link_speed = link_speeds[LS_UNKNOWN];
+ if (fw_speed < 6)
+ link_speed =
+ link_speeds[fw_speed];
+ }
+
+ return link_speed;
+}
+
/**
* qla2x00_async_event() - Process aynchronous events.
* @ha: SCSI driver HA context
@@ -317,9 +340,6 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
void
qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
{
-#define LS_UNKNOWN 2
- static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" };
- char *link_speed;
uint16_t handle_cnt;
uint16_t cnt, mbx;
uint32_t handles[5];
@@ -454,8 +474,8 @@ skip_rio:
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
ql_dbg(ql_dbg_async, vha, 0x5008,
"Asynchronous WAKEUP_THRES.\n");
- break;
+ break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
ql_dbg(ql_dbg_async, vha, 0x5009,
"LIP occurred (%x).\n", mb[1]);
@@ -479,20 +499,14 @@ skip_rio:
break;
case MBA_LOOP_UP: /* Loop Up Event */
- if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
- link_speed = link_speeds[0];
+ if (IS_QLA2100(ha) || IS_QLA2200(ha))
ha->link_data_rate = PORT_SPEED_1GB;
- } else {
- link_speed = link_speeds[LS_UNKNOWN];
- if (mb[1] < 6)
- link_speed = link_speeds[mb[1]];
- else if (mb[1] == 0x13)
- link_speed = link_speeds[6];
+ else
ha->link_data_rate = mb[1];
- }
ql_dbg(ql_dbg_async, vha, 0x500a,
- "LOOP UP detected (%s Gbps).\n", link_speed);
+ "LOOP UP detected (%s Gbps).\n",
+ qla2x00_get_link_speed_str(ha));
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
@@ -638,6 +652,8 @@ skip_rio:
ql_dbg(ql_dbg_async, vha, 0x5010,
"Port unavailable %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
+ ql_log(ql_log_warn, vha, 0x505e,
+ "Link is offline.\n");
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
@@ -670,12 +686,17 @@ skip_rio:
ql_dbg(ql_dbg_async, vha, 0x5011,
"Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
mb[1], mb[2], mb[3]);
+
+ qlt_async_event(mb[0], vha, mb);
break;
}
ql_dbg(ql_dbg_async, vha, 0x5012,
"Port database changed %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
+ ql_log(ql_log_warn, vha, 0x505f,
+ "Link is operational (%s Gbps).\n",
+ qla2x00_get_link_speed_str(ha));
/*
* Mark all devices as missing so we will login again.
@@ -684,8 +705,13 @@ skip_rio:
qla2x00_mark_all_devices_lost(vha, 1);
+ if (vha->vp_idx == 0 && !qla_ini_mode_enabled(vha))
+ set_bit(SCR_PENDING, &vha->dpc_flags);
+
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
+
+ qlt_async_event(mb[0], vha, mb);
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
@@ -807,6 +833,8 @@ skip_rio:
mb[0], mb[1], mb[2], mb[3]);
}
+ qlt_async_event(mb[0], vha, mb);
+
if (!vha->vp_idx && ha->num_vhosts)
qla2x00_alert_all_vps(rsp, mb);
}
@@ -1172,6 +1200,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
} else if (iop[0] & BIT_5)
fcport->port_type = FCT_INITIATOR;
+ if (iop[0] & BIT_7)
+ fcport->flags |= FCF_CONF_COMP_SUPPORTED;
+
if (logio->io_parameter[7] || logio->io_parameter[8])
fcport->supported_classes |= FC_COS_CLASS2;
if (logio->io_parameter[9] || logio->io_parameter[10])
@@ -1986,6 +2017,9 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
if (pkt->entry_status != 0) {
qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt);
+
+ (void)qlt_24xx_process_response_error(vha, pkt);
+
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
@@ -2016,6 +2050,14 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha,
case ELS_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
break;
+ case ABTS_RECV_24XX:
+ /* ensure that the ATIO queue is empty */
+ qlt_24xx_process_atio_queue(vha);
+ case ABTS_RESP_24XX:
+ case CTIO_TYPE7:
+ case NOTIFY_ACK_TYPE:
+ qlt_response_pkt_all_vps(vha, (response_t *)pkt);
+ break;
case MARKER_TYPE:
/* Do nothing in this case, this check is to prevent it
* from falling into default case
@@ -2168,6 +2210,13 @@ qla24xx_intr_handler(int irq, void *dev_id)
case 0x14:
qla24xx_process_response_queue(vha, rsp);
break;
+ case 0x1C: /* ATIO queue updated */
+ qlt_24xx_process_atio_queue(vha);
+ break;
+ case 0x1D: /* ATIO and response queues updated */
+ qlt_24xx_process_atio_queue(vha);
+ qla24xx_process_response_queue(vha, rsp);
+ break;
default:
ql_dbg(ql_dbg_async, vha, 0x504f,
"Unrecognized interrupt type (%d).\n", stat * 0xff);
@@ -2312,6 +2361,13 @@ qla24xx_msix_default(int irq, void *dev_id)
case 0x14:
qla24xx_process_response_queue(vha, rsp);
break;
+ case 0x1C: /* ATIO queue updated */
+ qlt_24xx_process_atio_queue(vha);
+ break;
+ case 0x1D: /* ATIO and response queues updated */
+ qlt_24xx_process_atio_queue(vha);
+ qla24xx_process_response_queue(vha, rsp);
+ break;
default:
ql_dbg(ql_dbg_async, vha, 0x5051,
"Unrecognized interrupt type (%d).\n", stat & 0xff);
@@ -2564,7 +2620,15 @@ void
qla2x00_free_irqs(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
- struct rsp_que *rsp = ha->rsp_q_map[0];
+ struct rsp_que *rsp;
+
+ /*
+ * We need to check that ha->rsp_q_map is valid in case we are called
+ * from a probe failure context.
+ */
+ if (!ha->rsp_q_map || !ha->rsp_q_map[0])
+ return;
+ rsp = ha->rsp_q_map[0];
if (ha->flags.msix_enabled)
qla24xx_disable_msix(ha);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index b4a23394a7b..d5ce92c0a8f 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -5,6 +5,7 @@
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
+#include "qla_target.h"
#include <linux/delay.h>
#include <linux/gfp.h>
@@ -270,11 +271,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
ictrl = RD_REG_WORD(&reg->isp.ictrl);
}
ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1119,
- "MBX Command timeout for cmd %x.\n", command);
- ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111a,
- "iocontrol=%x jiffies=%lx.\n", ictrl, jiffies);
- ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111b,
- "mb[0] = 0x%x.\n", mb0);
+ "MBX Command timeout for cmd %x, iocontrol=%x jiffies=%lx "
+ "mb[0]=0x%x\n", command, ictrl, jiffies, mb0);
ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1019);
/*
@@ -320,7 +318,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
CRB_NIU_XG_PAUSE_CTL_P1);
}
ql_log(ql_log_info, base_vha, 0x101c,
- "Mailbox cmd timeout occured, cmd=0x%x, "
+ "Mailbox cmd timeout occurred, cmd=0x%x, "
"mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP "
"abort.\n", command, mcp->mb[0],
ha->flags.eeh_busy);
@@ -345,7 +343,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
CRB_NIU_XG_PAUSE_CTL_P1);
}
ql_log(ql_log_info, base_vha, 0x101e,
- "Mailbox cmd timeout occured, cmd=0x%x, "
+ "Mailbox cmd timeout occurred, cmd=0x%x, "
"mb[0]=0x%x. Scheduling ISP abort ",
command, mcp->mb[0]);
set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
@@ -390,7 +388,8 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1022, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1022,
+ "Entered %s.\n", __func__);
if (MSW(risc_addr) || IS_FWI2_CAPABLE(ha)) {
mcp->mb[0] = MBC_LOAD_RISC_RAM_EXTENDED;
@@ -424,7 +423,8 @@ qla2x00_load_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t risc_addr,
ql_dbg(ql_dbg_mbx, vha, 0x1023,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1024, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1024,
+ "Done %s.\n", __func__);
}
return rval;
@@ -454,7 +454,8 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1025, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1025,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_EXECUTE_FIRMWARE;
mcp->out_mb = MBX_0;
@@ -489,10 +490,11 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
if (IS_FWI2_CAPABLE(ha)) {
- ql_dbg(ql_dbg_mbx, vha, 0x1027,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1027,
"Done exchanges=%x.\n", mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1028, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1028,
+ "Done %s.\n", __func__);
}
}
@@ -523,7 +525,8 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha)
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x1029, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1029,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_FIRMWARE_VERSION;
mcp->out_mb = MBX_0;
@@ -561,11 +564,11 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha)
ha->fw_attributes_h = mcp->mb[15];
ha->fw_attributes_ext[0] = mcp->mb[16];
ha->fw_attributes_ext[1] = mcp->mb[17];
- ql_dbg(ql_dbg_mbx, vha, 0x1139,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1139,
"%s: FW_attributes Upper: 0x%x, Lower: 0x%x.\n",
__func__, mcp->mb[15], mcp->mb[6]);
} else
- ql_dbg(ql_dbg_mbx, vha, 0x112f,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x112f,
"%s: FwAttributes [Upper] invalid, MB6:%04x\n",
__func__, mcp->mb[6]);
}
@@ -576,7 +579,8 @@ failed:
ql_dbg(ql_dbg_mbx, vha, 0x102a, "Failed=%x.\n", rval);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x102b, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102b,
+ "Done %s.\n", __func__);
}
return rval;
}
@@ -602,7 +606,8 @@ qla2x00_get_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x102c, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102c,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_FIRMWARE_OPTION;
mcp->out_mb = MBX_0;
@@ -620,7 +625,8 @@ qla2x00_get_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
fwopts[2] = mcp->mb[2];
fwopts[3] = mcp->mb[3];
- ql_dbg(ql_dbg_mbx, vha, 0x102e, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102e,
+ "Done %s.\n", __func__);
}
return rval;
@@ -648,7 +654,8 @@ qla2x00_set_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x102f, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x102f,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_SET_FIRMWARE_OPTION;
mcp->mb[1] = fwopts[1];
@@ -676,7 +683,8 @@ qla2x00_set_fw_options(scsi_qla_host_t *vha, uint16_t *fwopts)
"Failed=%x (%x/%x).\n", rval, mcp->mb[0], mcp->mb[1]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1031, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1031,
+ "Done %s.\n", __func__);
}
return rval;
@@ -704,7 +712,8 @@ qla2x00_mbx_reg_test(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1032, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1032,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_MAILBOX_REGISTER_TEST;
mcp->mb[1] = 0xAAAA;
@@ -734,7 +743,8 @@ qla2x00_mbx_reg_test(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x1033, "Failed=%x.\n", rval);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1034, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1034,
+ "Done %s.\n", __func__);
}
return rval;
@@ -762,7 +772,8 @@ qla2x00_verify_checksum(scsi_qla_host_t *vha, uint32_t risc_addr)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1035, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1035,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_VERIFY_CHECKSUM;
mcp->out_mb = MBX_0;
@@ -787,7 +798,8 @@ qla2x00_verify_checksum(scsi_qla_host_t *vha, uint32_t risc_addr)
"Failed=%x chm sum=%x.\n", rval, IS_FWI2_CAPABLE(vha->hw) ?
(mcp->mb[2] << 16) | mcp->mb[1] : mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1037, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1037,
+ "Done %s.\n", __func__);
}
return rval;
@@ -819,7 +831,8 @@ qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1038, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1038,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_IOCB_COMMAND_A64;
mcp->mb[1] = 0;
@@ -842,7 +855,8 @@ qla2x00_issue_iocb_timeout(scsi_qla_host_t *vha, void *buffer,
/* Mask reserved bits. */
sts_entry->entry_status &=
IS_FWI2_CAPABLE(vha->hw) ? RF_MASK_24XX : RF_MASK;
- ql_dbg(ql_dbg_mbx, vha, 0x103a, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103a,
+ "Done %s.\n", __func__);
}
return rval;
@@ -884,7 +898,8 @@ qla2x00_abort_command(srb_t *sp)
struct req_que *req = vha->req;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
- ql_dbg(ql_dbg_mbx, vha, 0x103b, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103b,
+ "Entered %s.\n", __func__);
spin_lock_irqsave(&ha->hardware_lock, flags);
for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
@@ -915,7 +930,8 @@ qla2x00_abort_command(srb_t *sp)
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x103c, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x103d, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103d,
+ "Done %s.\n", __func__);
}
return rval;
@@ -934,7 +950,8 @@ qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
l = l;
vha = fcport->vha;
- ql_dbg(ql_dbg_mbx, vha, 0x103e, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103e,
+ "Entered %s.\n", __func__);
req = vha->hw->req_q_map[0];
rsp = req->rsp;
@@ -955,7 +972,8 @@ qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
mcp->flags = 0;
rval = qla2x00_mailbox_command(vha, mcp);
if (rval != QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x103f, "Failed=%x.\n", rval);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x103f,
+ "Failed=%x.\n", rval);
}
/* Issue marker IOCB. */
@@ -965,7 +983,8 @@ qla2x00_abort_target(struct fc_port *fcport, unsigned int l, int tag)
ql_dbg(ql_dbg_mbx, vha, 0x1040,
"Failed to issue marker IOCB (%x).\n", rval2);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1041, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1041,
+ "Done %s.\n", __func__);
}
return rval;
@@ -983,7 +1002,8 @@ qla2x00_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
vha = fcport->vha;
- ql_dbg(ql_dbg_mbx, vha, 0x1042, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1042,
+ "Entered %s.\n", __func__);
req = vha->hw->req_q_map[0];
rsp = req->rsp;
@@ -1012,7 +1032,8 @@ qla2x00_lun_reset(struct fc_port *fcport, unsigned int l, int tag)
ql_dbg(ql_dbg_mbx, vha, 0x1044,
"Failed to issue marker IOCB (%x).\n", rval2);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1045, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1045,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1046,7 +1067,8 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1046, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1046,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_ADAPTER_LOOP_ID;
mcp->mb[9] = vha->vp_idx;
@@ -1074,7 +1096,8 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa,
/*EMPTY*/
ql_dbg(ql_dbg_mbx, vha, 0x1047, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1048, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1048,
+ "Done %s.\n", __func__);
if (IS_CNA_CAPABLE(vha->hw)) {
vha->fcoe_vlan_id = mcp->mb[9] & 0xfff;
@@ -1115,7 +1138,8 @@ qla2x00_get_retry_cnt(scsi_qla_host_t *vha, uint8_t *retry_cnt, uint8_t *tov,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1049, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1049,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_RETRY_COUNT;
mcp->out_mb = MBX_0;
@@ -1138,7 +1162,7 @@ qla2x00_get_retry_cnt(scsi_qla_host_t *vha, uint8_t *retry_cnt, uint8_t *tov,
*tov = ratov;
}
- ql_dbg(ql_dbg_mbx, vha, 0x104b,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104b,
"Done %s mb3=%d ratov=%d.\n", __func__, mcp->mb[3], ratov);
}
@@ -1170,7 +1194,8 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x104c, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104c,
+ "Entered %s.\n", __func__);
if (IS_QLA82XX(ha) && ql2xdbwr)
qla82xx_wr_32(ha, ha->nxdb_wr_ptr,
@@ -1213,9 +1238,100 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size)
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x104e, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104e,
+ "Done %s.\n", __func__);
+ }
+
+ return rval;
+}
+
+/*
+ * qla2x00_get_node_name_list
+ * Issue get node name list mailbox command, kmalloc()
+ * and return the resulting list. Caller must kfree() it!
+ *
+ * Input:
+ * ha = adapter state pointer.
+ * out_data = resulting list
+ * out_len = length of the resulting list
+ *
+ * Returns:
+ * qla2x00 local function return status code.
+ *
+ * Context:
+ * Kernel context.
+ */
+int
+qla2x00_get_node_name_list(scsi_qla_host_t *vha, void **out_data, int *out_len)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_port_24xx_data *list = NULL;
+ void *pmap;
+ mbx_cmd_t mc;
+ dma_addr_t pmap_dma;
+ ulong dma_size;
+ int rval, left;
+
+ left = 1;
+ while (left > 0) {
+ dma_size = left * sizeof(*list);
+ pmap = dma_alloc_coherent(&ha->pdev->dev, dma_size,
+ &pmap_dma, GFP_KERNEL);
+ if (!pmap) {
+ ql_log(ql_log_warn, vha, 0x113f,
+ "%s(%ld): DMA Alloc failed of %ld\n",
+ __func__, vha->host_no, dma_size);
+ rval = QLA_MEMORY_ALLOC_FAILED;
+ goto out;
+ }
+
+ mc.mb[0] = MBC_PORT_NODE_NAME_LIST;
+ mc.mb[1] = BIT_1 | BIT_3;
+ mc.mb[2] = MSW(pmap_dma);
+ mc.mb[3] = LSW(pmap_dma);
+ mc.mb[6] = MSW(MSD(pmap_dma));
+ mc.mb[7] = LSW(MSD(pmap_dma));
+ mc.mb[8] = dma_size;
+ mc.out_mb = MBX_0|MBX_1|MBX_2|MBX_3|MBX_6|MBX_7|MBX_8;
+ mc.in_mb = MBX_0|MBX_1;
+ mc.tov = 30;
+ mc.flags = MBX_DMA_IN;
+
+ rval = qla2x00_mailbox_command(vha, &mc);
+ if (rval != QLA_SUCCESS) {
+ if ((mc.mb[0] == MBS_COMMAND_ERROR) &&
+ (mc.mb[1] == 0xA)) {
+ left += le16_to_cpu(mc.mb[2]) /
+ sizeof(struct qla_port_24xx_data);
+ goto restart;
+ }
+ goto out_free;
+ }
+
+ left = 0;
+
+ list = kzalloc(dma_size, GFP_KERNEL);
+ if (!list) {
+ ql_log(ql_log_warn, vha, 0x1140,
+ "%s(%ld): failed to allocate node names list "
+ "structure.\n", __func__, vha->host_no);
+ rval = QLA_MEMORY_ALLOC_FAILED;
+ goto out_free;
+ }
+
+ memcpy(list, pmap, dma_size);
+restart:
+ dma_free_coherent(&ha->pdev->dev, dma_size, pmap, pmap_dma);
}
+ *out_data = list;
+ *out_len = dma_size;
+
+out:
+ return rval;
+
+out_free:
+ dma_free_coherent(&ha->pdev->dev, dma_size, pmap, pmap_dma);
return rval;
}
@@ -1246,7 +1362,8 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt)
dma_addr_t pd_dma;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x104f, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x104f,
+ "Entered %s.\n", __func__);
pd24 = NULL;
pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma);
@@ -1326,6 +1443,13 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt)
fcport->port_type = FCT_INITIATOR;
else
fcport->port_type = FCT_TARGET;
+
+ /* Passback COS information. */
+ fcport->supported_classes = (pd24->flags & PDF_CLASS_2) ?
+ FC_COS_CLASS2 : FC_COS_CLASS3;
+
+ if (pd24->prli_svc_param_word_3[0] & BIT_7)
+ fcport->flags |= FCF_CONF_COMP_SUPPORTED;
} else {
uint64_t zero = 0;
@@ -1378,7 +1502,8 @@ gpd_error_out:
"Failed=%x mb[0]=%x mb[1]=%x.\n", rval,
mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1053, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1053,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1407,7 +1532,8 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1054, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1054,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_FIRMWARE_STATE;
mcp->out_mb = MBX_0;
@@ -1433,7 +1559,8 @@ qla2x00_get_firmware_state(scsi_qla_host_t *vha, uint16_t *states)
ql_dbg(ql_dbg_mbx, vha, 0x1055, "Failed=%x.\n", rval);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1056, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1056,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1465,7 +1592,8 @@ qla2x00_get_port_name(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t *name,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1057, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1057,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_PORT_NAME;
mcp->mb[9] = vha->vp_idx;
@@ -1499,7 +1627,8 @@ qla2x00_get_port_name(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t *name,
name[7] = LSB(mcp->mb[7]);
}
- ql_dbg(ql_dbg_mbx, vha, 0x1059, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1059,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1527,7 +1656,8 @@ qla2x00_lip_reset(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x105a, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105a,
+ "Entered %s.\n", __func__);
if (IS_CNA_CAPABLE(vha->hw)) {
/* Logout across all FCFs. */
@@ -1564,7 +1694,8 @@ qla2x00_lip_reset(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x105b, "Failed=%x.\n", rval);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x105c, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105c,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1596,9 +1727,10 @@ qla2x00_send_sns(scsi_qla_host_t *vha, dma_addr_t sns_phys_address,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x105d, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105d,
+ "Entered %s.\n", __func__);
- ql_dbg(ql_dbg_mbx, vha, 0x105e,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x105e,
"Retry cnt=%d ratov=%d total tov=%d.\n",
vha->hw->retry_count, vha->hw->login_timeout, mcp->tov);
@@ -1622,7 +1754,8 @@ qla2x00_send_sns(scsi_qla_host_t *vha, dma_addr_t sns_phys_address,
rval, mcp->mb[0], mcp->mb[1]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1060, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1060,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1641,7 +1774,8 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
struct req_que *req;
struct rsp_que *rsp;
- ql_dbg(ql_dbg_mbx, vha, 0x1061, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1061,
+ "Entered %s.\n", __func__);
if (ha->flags.cpu_affinity_enabled)
req = ha->req_q_map[0];
@@ -1715,7 +1849,8 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
break;
}
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1066, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1066,
+ "Done %s.\n", __func__);
iop[0] = le32_to_cpu(lg->io_parameter[0]);
@@ -1733,6 +1868,10 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
mb[10] |= BIT_0; /* Class 2. */
if (lg->io_parameter[9] || lg->io_parameter[10])
mb[10] |= BIT_1; /* Class 3. */
+ if (lg->io_parameter[0] & __constant_cpu_to_le32(BIT_7))
+ mb[10] |= BIT_7; /* Confirmed Completion
+ * Allowed
+ */
}
dma_pool_free(ha->s_dma_pool, lg, lg_dma);
@@ -1770,7 +1909,8 @@ qla2x00_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x1067, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1067,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_LOGIN_FABRIC_PORT;
mcp->out_mb = MBX_3|MBX_2|MBX_1|MBX_0;
@@ -1818,7 +1958,8 @@ qla2x00_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1069, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1069,
+ "Done %s.\n", __func__);
}
return rval;
@@ -1849,7 +1990,8 @@ qla2x00_login_local_device(scsi_qla_host_t *vha, fc_port_t *fcport,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x106a, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106a,
+ "Entered %s.\n", __func__);
if (IS_FWI2_CAPABLE(ha))
return qla24xx_login_fabric(vha, fcport->loop_id,
@@ -1891,7 +2033,8 @@ qla2x00_login_local_device(scsi_qla_host_t *vha, fc_port_t *fcport,
rval, mcp->mb[0], mcp->mb[1], mcp->mb[6], mcp->mb[7]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x106c, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106c,
+ "Done %s.\n", __func__);
}
return (rval);
@@ -1908,7 +2051,8 @@ qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
struct req_que *req;
struct rsp_que *rsp;
- ql_dbg(ql_dbg_mbx, vha, 0x106d, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x106d,
+ "Entered %s.\n", __func__);
lg = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &lg_dma);
if (lg == NULL) {
@@ -1952,7 +2096,8 @@ qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
le32_to_cpu(lg->io_parameter[1]));
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1072, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1072,
+ "Done %s.\n", __func__);
}
dma_pool_free(ha->s_dma_pool, lg, lg_dma);
@@ -1984,7 +2129,8 @@ qla2x00_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1073, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1073,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_LOGOUT_FABRIC_PORT;
mcp->out_mb = MBX_1|MBX_0;
@@ -2007,7 +2153,8 @@ qla2x00_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain,
"Failed=%x mb[1]=%x.\n", rval, mcp->mb[1]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1075, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1075,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2035,7 +2182,8 @@ qla2x00_full_login_lip(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1076, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1076,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_LIP_FULL_LOGIN;
mcp->mb[1] = IS_FWI2_CAPABLE(vha->hw) ? BIT_3 : 0;
@@ -2052,7 +2200,8 @@ qla2x00_full_login_lip(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x1077, "Failed=%x.\n", rval);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x1078, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1078,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2078,7 +2227,8 @@ qla2x00_get_id_list(scsi_qla_host_t *vha, void *id_list, dma_addr_t id_list_dma,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1079, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1079,
+ "Entered %s.\n", __func__);
if (id_list == NULL)
return QLA_FUNCTION_FAILED;
@@ -2110,7 +2260,8 @@ qla2x00_get_id_list(scsi_qla_host_t *vha, void *id_list, dma_addr_t id_list_dma,
ql_dbg(ql_dbg_mbx, vha, 0x107a, "Failed=%x.\n", rval);
} else {
*entries = mcp->mb[1];
- ql_dbg(ql_dbg_mbx, vha, 0x107b, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107b,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2138,7 +2289,8 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x107c, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107c,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_RESOURCE_COUNTS;
mcp->out_mb = MBX_0;
@@ -2154,7 +2306,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt,
ql_dbg(ql_dbg_mbx, vha, 0x107d,
"Failed mb[0]=%x.\n", mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x107e,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107e,
"Done %s mb1=%x mb2=%x mb3=%x mb6=%x mb7=%x mb10=%x "
"mb11=%x mb12=%x.\n", __func__, mcp->mb[1], mcp->mb[2],
mcp->mb[3], mcp->mb[6], mcp->mb[7], mcp->mb[10],
@@ -2201,7 +2353,8 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map)
dma_addr_t pmap_dma;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x107f, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x107f,
+ "Entered %s.\n", __func__);
pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma);
if (pmap == NULL) {
@@ -2224,7 +2377,7 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map)
rval = qla2x00_mailbox_command(vha, mcp);
if (rval == QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x1081,
+ ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1081,
"mb0/mb1=%x/%X FC/AL position map size (%x).\n",
mcp->mb[0], mcp->mb[1], (unsigned)pmap[0]);
ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111d,
@@ -2238,7 +2391,8 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *vha, char *pos_map)
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x1082, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1083, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1083,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2267,7 +2421,8 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
uint32_t *siter, *diter, dwords;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x1084, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1084,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_LINK_STATUS;
mcp->mb[2] = MSW(stats_dma);
@@ -2301,7 +2456,8 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id,
rval = QLA_FUNCTION_FAILED;
} else {
/* Copy over data -- firmware data is LE. */
- ql_dbg(ql_dbg_mbx, vha, 0x1086, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1086,
+ "Done %s.\n", __func__);
dwords = offsetof(struct link_statistics, unused1) / 4;
siter = diter = &stats->link_fail_cnt;
while (dwords--)
@@ -2324,7 +2480,8 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
mbx_cmd_t *mcp = &mc;
uint32_t *siter, *diter, dwords;
- ql_dbg(ql_dbg_mbx, vha, 0x1088, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1088,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GET_LINK_PRIV_STATS;
mcp->mb[2] = MSW(stats_dma);
@@ -2346,7 +2503,8 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats,
"Failed mb[0]=%x.\n", mcp->mb[0]);
rval = QLA_FUNCTION_FAILED;
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x108a, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108a,
+ "Done %s.\n", __func__);
/* Copy over data -- firmware data is LE. */
dwords = sizeof(struct link_statistics) / 4;
siter = diter = &stats->link_fail_cnt;
@@ -2375,7 +2533,8 @@ qla24xx_abort_command(srb_t *sp)
struct qla_hw_data *ha = vha->hw;
struct req_que *req = vha->req;
- ql_dbg(ql_dbg_mbx, vha, 0x108c, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x108c,
+ "Entered %s.\n", __func__);
spin_lock_irqsave(&ha->hardware_lock, flags);
for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
@@ -2404,7 +2563,7 @@ qla24xx_abort_command(srb_t *sp)
abt->port_id[0] = fcport->d_id.b.al_pa;
abt->port_id[1] = fcport->d_id.b.area;
abt->port_id[2] = fcport->d_id.b.domain;
- abt->vp_index = fcport->vp_idx;
+ abt->vp_index = fcport->vha->vp_idx;
abt->req_que_no = cpu_to_le16(req->id);
@@ -2423,7 +2582,8 @@ qla24xx_abort_command(srb_t *sp)
le16_to_cpu(abt->nport_handle));
rval = QLA_FUNCTION_FAILED;
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1091, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1091,
+ "Done %s.\n", __func__);
}
dma_pool_free(ha->s_dma_pool, abt, abt_dma);
@@ -2455,7 +2615,8 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
ha = vha->hw;
req = vha->req;
- ql_dbg(ql_dbg_mbx, vha, 0x1092, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1092,
+ "Entered %s.\n", __func__);
if (ha->flags.cpu_affinity_enabled)
rsp = ha->rsp_q_map[tag + 1];
@@ -2478,7 +2639,7 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
tsk->p.tsk.port_id[0] = fcport->d_id.b.al_pa;
tsk->p.tsk.port_id[1] = fcport->d_id.b.area;
tsk->p.tsk.port_id[2] = fcport->d_id.b.domain;
- tsk->p.tsk.vp_index = fcport->vp_idx;
+ tsk->p.tsk.vp_index = fcport->vha->vp_idx;
if (type == TCF_LUN_RESET) {
int_to_scsilun(l, &tsk->p.tsk.lun);
host_to_fcp_swap((uint8_t *)&tsk->p.tsk.lun,
@@ -2504,7 +2665,7 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
} else if (le16_to_cpu(sts->scsi_status) &
SS_RESPONSE_INFO_LEN_VALID) {
if (le32_to_cpu(sts->rsp_data_len) < 4) {
- ql_dbg(ql_dbg_mbx, vha, 0x1097,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1097,
"Ignoring inconsistent data length -- not enough "
"response info (%d).\n",
le32_to_cpu(sts->rsp_data_len));
@@ -2523,7 +2684,8 @@ __qla24xx_issue_tmf(char *name, uint32_t type, struct fc_port *fcport,
ql_dbg(ql_dbg_mbx, vha, 0x1099,
"Failed to issue marker IOCB (%x).\n", rval2);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x109a, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109a,
+ "Done %s.\n", __func__);
}
dma_pool_free(ha->s_dma_pool, tsk, tsk_dma);
@@ -2564,7 +2726,8 @@ qla2x00_system_error(scsi_qla_host_t *vha)
if (!IS_QLA23XX(ha) && !IS_FWI2_CAPABLE(ha))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x109b, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109b,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_GEN_SYSTEM_ERROR;
mcp->out_mb = MBX_0;
@@ -2576,7 +2739,8 @@ qla2x00_system_error(scsi_qla_host_t *vha)
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x109c, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x109d, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109d,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2596,7 +2760,8 @@ qla2x00_set_serdes_params(scsi_qla_host_t *vha, uint16_t sw_em_1g,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x109e, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x109e,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_SERDES_PARAMS;
mcp->mb[1] = BIT_0;
@@ -2615,7 +2780,8 @@ qla2x00_set_serdes_params(scsi_qla_host_t *vha, uint16_t sw_em_1g,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
/*EMPTY*/
- ql_dbg(ql_dbg_mbx, vha, 0x10a0, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a0,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2631,7 +2797,8 @@ qla2x00_stop_firmware(scsi_qla_host_t *vha)
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x10a1, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a1,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_STOP_FIRMWARE;
mcp->mb[1] = 0;
@@ -2646,7 +2813,8 @@ qla2x00_stop_firmware(scsi_qla_host_t *vha)
if (mcp->mb[0] == MBS_INVALID_COMMAND)
rval = QLA_INVALID_COMMAND;
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10a3, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a3,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2660,7 +2828,8 @@ qla2x00_enable_eft_trace(scsi_qla_host_t *vha, dma_addr_t eft_dma,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10a4, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a4,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -2686,7 +2855,8 @@ qla2x00_enable_eft_trace(scsi_qla_host_t *vha, dma_addr_t eft_dma,
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10a6, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a6,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2699,7 +2869,8 @@ qla2x00_disable_eft_trace(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10a7, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a7,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -2719,7 +2890,8 @@ qla2x00_disable_eft_trace(scsi_qla_host_t *vha)
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10a9, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10a9,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2733,7 +2905,8 @@ qla2x00_enable_fce_trace(scsi_qla_host_t *vha, dma_addr_t fce_dma,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10aa, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10aa,
+ "Entered %s.\n", __func__);
if (!IS_QLA25XX(vha->hw) && !IS_QLA81XX(vha->hw) &&
!IS_QLA83XX(vha->hw))
@@ -2764,7 +2937,8 @@ qla2x00_enable_fce_trace(scsi_qla_host_t *vha, dma_addr_t fce_dma,
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10ac, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ac,
+ "Done %s.\n", __func__);
if (mb)
memcpy(mb, mcp->mb, 8 * sizeof(*mb));
@@ -2782,7 +2956,8 @@ qla2x00_disable_fce_trace(scsi_qla_host_t *vha, uint64_t *wr, uint64_t *rd)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10ad, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ad,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -2804,7 +2979,8 @@ qla2x00_disable_fce_trace(scsi_qla_host_t *vha, uint64_t *wr, uint64_t *rd)
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10af, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10af,
+ "Done %s.\n", __func__);
if (wr)
*wr = (uint64_t) mcp->mb[5] << 48 |
@@ -2829,7 +3005,8 @@ qla2x00_get_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10b0, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b0,
+ "Entered %s.\n", __func__);
if (!IS_IIDMA_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -2854,7 +3031,8 @@ qla2x00_get_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x10b1, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10b2, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b2,
+ "Done %s.\n", __func__);
if (port_speed)
*port_speed = mcp->mb[3];
}
@@ -2870,7 +3048,8 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10b3, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b3,
+ "Entered %s.\n", __func__);
if (!IS_IIDMA_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -2897,9 +3076,11 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id,
}
if (rval != QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x10b4, "Failed=%x.\n", rval);
+ ql_dbg(ql_dbg_mbx, vha, 0x10b4,
+ "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10b5, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b5,
+ "Done %s.\n", __func__);
}
return rval;
@@ -2915,24 +3096,25 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha,
scsi_qla_host_t *vp;
unsigned long flags;
- ql_dbg(ql_dbg_mbx, vha, 0x10b6, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b6,
+ "Entered %s.\n", __func__);
if (rptid_entry->entry_status != 0)
return;
if (rptid_entry->format == 0) {
- ql_dbg(ql_dbg_mbx, vha, 0x10b7,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b7,
"Format 0 : Number of VPs setup %d, number of "
"VPs acquired %d.\n",
MSB(le16_to_cpu(rptid_entry->vp_count)),
LSB(le16_to_cpu(rptid_entry->vp_count)));
- ql_dbg(ql_dbg_mbx, vha, 0x10b8,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b8,
"Primary port id %02x%02x%02x.\n",
rptid_entry->port_id[2], rptid_entry->port_id[1],
rptid_entry->port_id[0]);
} else if (rptid_entry->format == 1) {
vp_idx = LSB(stat);
- ql_dbg(ql_dbg_mbx, vha, 0x10b9,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b9,
"Format 1: VP[%d] enabled - status %d - with "
"port id %02x%02x%02x.\n", vp_idx, MSB(stat),
rptid_entry->port_id[2], rptid_entry->port_id[1],
@@ -2999,7 +3181,8 @@ qla24xx_modify_vp_config(scsi_qla_host_t *vha)
/* This can be called by the parent */
- ql_dbg(ql_dbg_mbx, vha, 0x10bb, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10bb,
+ "Entered %s.\n", __func__);
vpmod = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &vpmod_dma);
if (!vpmod) {
@@ -3015,6 +3198,9 @@ qla24xx_modify_vp_config(scsi_qla_host_t *vha)
vpmod->vp_count = 1;
vpmod->vp_index1 = vha->vp_idx;
vpmod->options_idx1 = BIT_3|BIT_4|BIT_5;
+
+ qlt_modify_vp_config(vha, vpmod);
+
memcpy(vpmod->node_name_idx1, vha->node_name, WWN_SIZE);
memcpy(vpmod->port_name_idx1, vha->port_name, WWN_SIZE);
vpmod->entry_count = 1;
@@ -3035,7 +3221,8 @@ qla24xx_modify_vp_config(scsi_qla_host_t *vha)
rval = QLA_FUNCTION_FAILED;
} else {
/* EMPTY */
- ql_dbg(ql_dbg_mbx, vha, 0x10c0, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c0,
+ "Done %s.\n", __func__);
fc_vport_set_state(vha->fc_vport, FC_VPORT_INITIALIZING);
}
dma_pool_free(ha->s_dma_pool, vpmod, vpmod_dma);
@@ -3069,7 +3256,7 @@ qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
int vp_index = vha->vp_idx;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
- ql_dbg(ql_dbg_mbx, vha, 0x10c1,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c1,
"Entered %s enabling index %d.\n", __func__, vp_index);
if (vp_index == 0 || vp_index >= ha->max_npiv_vports)
@@ -3112,7 +3299,8 @@ qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
le16_to_cpu(vce->comp_status));
rval = QLA_FUNCTION_FAILED;
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10c6, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c6,
+ "Done %s.\n", __func__);
}
dma_pool_free(ha->s_dma_pool, vce, vce_dma);
@@ -3149,14 +3337,8 @@ qla2x00_send_change_request(scsi_qla_host_t *vha, uint16_t format,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10c7, "Entered %s.\n", __func__);
-
- /*
- * This command is implicitly executed by firmware during login for the
- * physical hosts
- */
- if (vp_idx == 0)
- return QLA_FUNCTION_FAILED;
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c7,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_SEND_CHANGE_REQUEST;
mcp->mb[1] = format;
@@ -3185,7 +3367,8 @@ qla2x00_dump_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1009, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1009,
+ "Entered %s.\n", __func__);
if (MSW(addr) || IS_FWI2_CAPABLE(vha->hw)) {
mcp->mb[0] = MBC_DUMP_RISC_RAM_EXTENDED;
@@ -3219,7 +3402,8 @@ qla2x00_dump_ram(scsi_qla_host_t *vha, dma_addr_t req_dma, uint32_t addr,
ql_dbg(ql_dbg_mbx, vha, 0x1008,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1007, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1007,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3244,7 +3428,8 @@ qla84xx_verify_chip(struct scsi_qla_host *vha, uint16_t *status)
unsigned long flags;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10c8, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10c8,
+ "Entered %s.\n", __func__);
mn = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &mn_dma);
if (mn == NULL) {
@@ -3285,7 +3470,7 @@ qla84xx_verify_chip(struct scsi_qla_host *vha, uint16_t *status)
status[0] = le16_to_cpu(mn->p.rsp.comp_status);
status[1] = status[0] == CS_VCS_CHIP_FAILURE ?
le16_to_cpu(mn->p.rsp.failure_code) : 0;
- ql_dbg(ql_dbg_mbx, vha, 0x10ce,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ce,
"cs=%x fc=%x.\n", status[0], status[1]);
if (status[0] != CS_COMPLETE) {
@@ -3299,7 +3484,7 @@ qla84xx_verify_chip(struct scsi_qla_host *vha, uint16_t *status)
retry = 1;
}
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10d0,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d0,
"Firmware updated to %x.\n",
le32_to_cpu(mn->p.rsp.fw_ver));
@@ -3316,9 +3501,11 @@ verify_done:
dma_pool_free(ha->s_dma_pool, mn, mn_dma);
if (rval != QLA_SUCCESS) {
- ql_dbg(ql_dbg_mbx, vha, 0x10d1, "Failed=%x.\n", rval);
+ ql_dbg(ql_dbg_mbx, vha, 0x10d1,
+ "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10d2, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d2,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3334,7 +3521,8 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req)
struct device_reg_25xxmq __iomem *reg;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10d3, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d3,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
mcp->mb[1] = req->options;
@@ -3388,7 +3576,8 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req)
ql_dbg(ql_dbg_mbx, vha, 0x10d4,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10d5, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d5,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3404,7 +3593,8 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
struct device_reg_25xxmq __iomem *reg;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10d6, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d6,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_INITIALIZE_MULTIQ;
mcp->mb[1] = rsp->options;
@@ -3456,7 +3646,8 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp)
ql_dbg(ql_dbg_mbx, vha, 0x10d7,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10d8, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d8,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3469,7 +3660,8 @@ qla81xx_idc_ack(scsi_qla_host_t *vha, uint16_t *mb)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10d9, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10d9,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_IDC_ACK;
memcpy(&mcp->mb[1], mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
@@ -3483,7 +3675,8 @@ qla81xx_idc_ack(scsi_qla_host_t *vha, uint16_t *mb)
ql_dbg(ql_dbg_mbx, vha, 0x10da,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10db, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10db,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3496,7 +3689,8 @@ qla81xx_fac_get_sector_size(scsi_qla_host_t *vha, uint32_t *sector_size)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10dc, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10dc,
+ "Entered %s.\n", __func__);
if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -3514,7 +3708,8 @@ qla81xx_fac_get_sector_size(scsi_qla_host_t *vha, uint32_t *sector_size)
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10de, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10de,
+ "Done %s.\n", __func__);
*sector_size = mcp->mb[1];
}
@@ -3531,7 +3726,8 @@ qla81xx_fac_do_write_enable(scsi_qla_host_t *vha, int enable)
if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x10df, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10df,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
mcp->mb[1] = enable ? FAC_OPT_CMD_WRITE_ENABLE :
@@ -3547,7 +3743,8 @@ qla81xx_fac_do_write_enable(scsi_qla_host_t *vha, int enable)
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10e1, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e1,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3563,7 +3760,8 @@ qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish)
if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x10e2, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e2,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_FLASH_ACCESS_CTRL;
mcp->mb[1] = FAC_OPT_CMD_ERASE_SECTOR;
@@ -3582,7 +3780,8 @@ qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish)
"Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10e4, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e4,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3595,7 +3794,8 @@ qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10e5, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e5,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_RESTART_MPI_FW;
mcp->out_mb = MBX_0;
@@ -3609,7 +3809,8 @@ qla81xx_restart_mpi_firmware(scsi_qla_host_t *vha)
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10e7, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e7,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3624,7 +3825,8 @@ qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10e8, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10e8,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(ha))
return QLA_FUNCTION_FAILED;
@@ -3654,7 +3856,8 @@ qla2x00_read_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
ql_dbg(ql_dbg_mbx, vha, 0x10e9,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10ea, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ea,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3669,7 +3872,8 @@ qla2x00_write_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10eb, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10eb,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(ha))
return QLA_FUNCTION_FAILED;
@@ -3699,7 +3903,8 @@ qla2x00_write_sfp(scsi_qla_host_t *vha, dma_addr_t sfp_dma, uint8_t *sfp,
ql_dbg(ql_dbg_mbx, vha, 0x10ec,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10ed, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ed,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3713,7 +3918,8 @@ qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10ee, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ee,
+ "Entered %s.\n", __func__);
if (!IS_CNA_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -3735,7 +3941,8 @@ qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma,
"Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10f0, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f0,
+ "Done %s.\n", __func__);
*actual_size = mcp->mb[2] << 2;
@@ -3752,7 +3959,8 @@ qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma,
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10f1, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f1,
+ "Entered %s.\n", __func__);
if (!IS_CNA_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -3775,7 +3983,8 @@ qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma,
"Failed=%x mb[0]=%x mb[1]=%x mb[2]=%x.\n",
rval, mcp->mb[0], mcp->mb[1], mcp->mb[2]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10f3, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f3,
+ "Done %s.\n", __func__);
}
return rval;
@@ -3788,7 +3997,8 @@ qla2x00_read_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t *data)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10f4, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f4,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -3805,7 +4015,8 @@ qla2x00_read_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t *data)
ql_dbg(ql_dbg_mbx, vha, 0x10f5,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10f6, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f6,
+ "Done %s.\n", __func__);
*data = mcp->mb[3] << 16 | mcp->mb[2];
}
@@ -3821,7 +4032,8 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
mbx_cmd_t *mcp = &mc;
uint32_t iter_cnt = 0x1;
- ql_dbg(ql_dbg_mbx, vha, 0x10f7, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f7,
+ "Entered %s.\n", __func__);
memset(mcp->mb, 0 , sizeof(mcp->mb));
mcp->mb[0] = MBC_DIAGNOSTIC_LOOP_BACK;
@@ -3865,7 +4077,8 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
"mb[19]=%x.\n", rval, mcp->mb[0], mcp->mb[1], mcp->mb[2],
mcp->mb[3], mcp->mb[18], mcp->mb[19]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10f9, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10f9,
+ "Done %s.\n", __func__);
}
/* Copy mailbox information */
@@ -3882,7 +4095,8 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10fa, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fa,
+ "Entered %s.\n", __func__);
memset(mcp->mb, 0 , sizeof(mcp->mb));
mcp->mb[0] = MBC_DIAGNOSTIC_ECHO;
@@ -3926,7 +4140,8 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq,
"Failed=%x mb[0]=%x mb[1]=%x.\n",
rval, mcp->mb[0], mcp->mb[1]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10fc, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fc,
+ "Done %s.\n", __func__);
}
/* Copy mailbox information */
@@ -3941,7 +4156,7 @@ qla84xx_reset_chip(scsi_qla_host_t *vha, uint16_t enable_diagnostic)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x10fd,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10fd,
"Entered %s enable_diag=%d.\n", __func__, enable_diagnostic);
mcp->mb[0] = MBC_ISP84XX_RESET;
@@ -3955,7 +4170,8 @@ qla84xx_reset_chip(scsi_qla_host_t *vha, uint16_t enable_diagnostic)
if (rval != QLA_SUCCESS)
ql_dbg(ql_dbg_mbx, vha, 0x10fe, "Failed=%x.\n", rval);
else
- ql_dbg(ql_dbg_mbx, vha, 0x10ff, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ff,
+ "Done %s.\n", __func__);
return rval;
}
@@ -3967,7 +4183,8 @@ qla2x00_write_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t data)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1100, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1100,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(vha->hw))
return QLA_FUNCTION_FAILED;
@@ -3986,7 +4203,8 @@ qla2x00_write_ram_word(scsi_qla_host_t *vha, uint32_t risc_addr, uint32_t data)
ql_dbg(ql_dbg_mbx, vha, 0x1101,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1102, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1102,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4003,7 +4221,8 @@ qla81xx_write_mpi_register(scsi_qla_host_t *vha, uint16_t *mb)
rval = QLA_SUCCESS;
- ql_dbg(ql_dbg_mbx, vha, 0x1103, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1103,
+ "Entered %s.\n", __func__);
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
@@ -4046,7 +4265,8 @@ qla81xx_write_mpi_register(scsi_qla_host_t *vha, uint16_t *mb)
ql_dbg(ql_dbg_mbx, vha, 0x1104,
"Failed=%x mb[0]=%x.\n", rval, mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1105, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1105,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4060,7 +4280,8 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha)
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x1106, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1106,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(ha))
return QLA_FUNCTION_FAILED;
@@ -4078,7 +4299,8 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x1107,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1108, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1108,
+ "Done %s.\n", __func__);
if (mcp->mb[1] != 0x7)
ha->link_data_rate = mcp->mb[1];
}
@@ -4094,7 +4316,8 @@ qla81xx_get_port_config(scsi_qla_host_t *vha, uint16_t *mb)
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x1109, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1109,
+ "Entered %s.\n", __func__);
if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha))
return QLA_FUNCTION_FAILED;
@@ -4113,7 +4336,8 @@ qla81xx_get_port_config(scsi_qla_host_t *vha, uint16_t *mb)
/* Copy all bits to preserve original value */
memcpy(mb, &mcp->mb[1], sizeof(uint16_t) * 4);
- ql_dbg(ql_dbg_mbx, vha, 0x110b, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110b,
+ "Done %s.\n", __func__);
}
return rval;
}
@@ -4125,7 +4349,8 @@ qla81xx_set_port_config(scsi_qla_host_t *vha, uint16_t *mb)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x110c, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110c,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_SET_PORT_CONFIG;
/* Copy all bits to preserve original setting */
@@ -4140,7 +4365,8 @@ qla81xx_set_port_config(scsi_qla_host_t *vha, uint16_t *mb)
ql_dbg(ql_dbg_mbx, vha, 0x110d,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else
- ql_dbg(ql_dbg_mbx, vha, 0x110e, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110e,
+ "Done %s.\n", __func__);
return rval;
}
@@ -4155,7 +4381,8 @@ qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
mbx_cmd_t *mcp = &mc;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x110f, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x110f,
+ "Entered %s.\n", __func__);
if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
return QLA_FUNCTION_FAILED;
@@ -4183,7 +4410,8 @@ qla24xx_set_fcp_prio(scsi_qla_host_t *vha, uint16_t loop_id, uint16_t priority,
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_mbx, vha, 0x10cd, "Failed=%x.\n", rval);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x10cc, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10cc,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4196,7 +4424,8 @@ qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp, uint16_t *frac)
uint8_t byte;
struct qla_hw_data *ha = vha->hw;
- ql_dbg(ql_dbg_mbx, vha, 0x10ca, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10ca,
+ "Entered %s.\n", __func__);
/* Integer part */
rval = qla2x00_read_sfp(vha, 0, &byte, 0x98, 0x01, 1, BIT_13|BIT_0);
@@ -4216,7 +4445,8 @@ qla2x00_get_thermal_temp(scsi_qla_host_t *vha, uint16_t *temp, uint16_t *frac)
}
*frac = (byte >> 6) * 25;
- ql_dbg(ql_dbg_mbx, vha, 0x1018, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1018,
+ "Done %s.\n", __func__);
fail:
return rval;
}
@@ -4229,7 +4459,8 @@ qla82xx_mbx_intr_enable(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x1017, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1017,
+ "Entered %s.\n", __func__);
if (!IS_FWI2_CAPABLE(ha))
return QLA_FUNCTION_FAILED;
@@ -4248,7 +4479,8 @@ qla82xx_mbx_intr_enable(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x1016,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x100e, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100e,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4262,7 +4494,8 @@ qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
- ql_dbg(ql_dbg_mbx, vha, 0x100d, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100d,
+ "Entered %s.\n", __func__);
if (!IS_QLA82XX(ha))
return QLA_FUNCTION_FAILED;
@@ -4281,7 +4514,8 @@ qla82xx_mbx_intr_disable(scsi_qla_host_t *vha)
ql_dbg(ql_dbg_mbx, vha, 0x100c,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x100b, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x100b,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4295,7 +4529,8 @@ qla82xx_md_get_template_size(scsi_qla_host_t *vha)
mbx_cmd_t *mcp = &mc;
int rval = QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x111f, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x111f,
+ "Entered %s.\n", __func__);
memset(mcp->mb, 0 , sizeof(mcp->mb));
mcp->mb[0] = LSW(MBC_DIAGNOSTIC_MINIDUMP_TEMPLATE);
@@ -4318,7 +4553,8 @@ qla82xx_md_get_template_size(scsi_qla_host_t *vha)
(mcp->mb[1] << 16) | mcp->mb[0],
(mcp->mb[3] << 16) | mcp->mb[2]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1121, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1121,
+ "Done %s.\n", __func__);
ha->md_template_size = ((mcp->mb[3] << 16) | mcp->mb[2]);
if (!ha->md_template_size) {
ql_dbg(ql_dbg_mbx, vha, 0x1122,
@@ -4337,7 +4573,8 @@ qla82xx_md_get_template(scsi_qla_host_t *vha)
mbx_cmd_t *mcp = &mc;
int rval = QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x1123, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1123,
+ "Entered %s.\n", __func__);
ha->md_tmplt_hdr = dma_alloc_coherent(&ha->pdev->dev,
ha->md_template_size, &ha->md_tmplt_hdr_dma, GFP_KERNEL);
@@ -4372,7 +4609,8 @@ qla82xx_md_get_template(scsi_qla_host_t *vha)
((mcp->mb[1] << 16) | mcp->mb[0]),
((mcp->mb[3] << 16) | mcp->mb[2]));
} else
- ql_dbg(ql_dbg_mbx, vha, 0x1126, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1126,
+ "Done %s.\n", __func__);
return rval;
}
@@ -4387,7 +4625,8 @@ qla81xx_set_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x1133, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1133,
+ "Entered %s.\n", __func__);
memset(mcp, 0, sizeof(mbx_cmd_t));
mcp->mb[0] = MBC_SET_LED_CONFIG;
@@ -4412,7 +4651,8 @@ qla81xx_set_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
ql_dbg(ql_dbg_mbx, vha, 0x1134,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1135, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1135,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4429,7 +4669,8 @@ qla81xx_get_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x1136, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1136,
+ "Entered %s.\n", __func__);
memset(mcp, 0, sizeof(mbx_cmd_t));
mcp->mb[0] = MBC_GET_LED_CONFIG;
@@ -4454,7 +4695,8 @@ qla81xx_get_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg)
led_cfg[4] = mcp->mb[5];
led_cfg[5] = mcp->mb[6];
}
- ql_dbg(ql_dbg_mbx, vha, 0x1138, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1138,
+ "Done %s.\n", __func__);
}
return rval;
@@ -4471,7 +4713,7 @@ qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable)
if (!IS_QLA82XX(ha))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x1127,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1127,
"Entered %s.\n", __func__);
memset(mcp, 0, sizeof(mbx_cmd_t));
@@ -4491,7 +4733,7 @@ qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable)
ql_dbg(ql_dbg_mbx, vha, 0x1128,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1129,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1129,
"Done %s.\n", __func__);
}
@@ -4509,7 +4751,8 @@ qla83xx_write_remote_reg(scsi_qla_host_t *vha, uint32_t reg, uint32_t data)
if (!IS_QLA83XX(ha))
return QLA_FUNCTION_FAILED;
- ql_dbg(ql_dbg_mbx, vha, 0x1130, "Entered %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1130,
+ "Entered %s.\n", __func__);
mcp->mb[0] = MBC_WRITE_REMOTE_REG;
mcp->mb[1] = LSW(reg);
@@ -4527,7 +4770,7 @@ qla83xx_write_remote_reg(scsi_qla_host_t *vha, uint32_t reg, uint32_t data)
ql_dbg(ql_dbg_mbx, vha, 0x1131,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
} else {
- ql_dbg(ql_dbg_mbx, vha, 0x1132,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1132,
"Done %s.\n", __func__);
}
@@ -4543,13 +4786,14 @@ qla2x00_port_logout(scsi_qla_host_t *vha, struct fc_port *fcport)
mbx_cmd_t *mcp = &mc;
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
- ql_dbg(ql_dbg_mbx, vha, 0x113b,
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113b,
"Implicit LOGO Unsupported.\n");
return QLA_FUNCTION_FAILED;
}
- ql_dbg(ql_dbg_mbx, vha, 0x113c, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113c,
+ "Entering %s.\n", __func__);
/* Perform Implicit LOGO. */
mcp->mb[0] = MBC_PORT_LOGOUT;
@@ -4564,7 +4808,8 @@ qla2x00_port_logout(scsi_qla_host_t *vha, struct fc_port *fcport)
ql_dbg(ql_dbg_mbx, vha, 0x113d,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
else
- ql_dbg(ql_dbg_mbx, vha, 0x113e, "Done %s.\n", __func__);
+ ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x113e,
+ "Done %s.\n", __func__);
return rval;
}
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index aa062a1b0ca..3e8b32419e6 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -6,6 +6,7 @@
*/
#include "qla_def.h"
#include "qla_gbl.h"
+#include "qla_target.h"
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
@@ -49,6 +50,9 @@ qla24xx_allocate_vp_id(scsi_qla_host_t *vha)
spin_lock_irqsave(&ha->vport_slock, flags);
list_add_tail(&vha->list, &ha->vp_list);
+
+ qlt_update_vp_map(vha, SET_VP_IDX);
+
spin_unlock_irqrestore(&ha->vport_slock, flags);
mutex_unlock(&ha->vport_lock);
@@ -79,6 +83,7 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha)
spin_lock_irqsave(&ha->vport_slock, flags);
}
list_del(&vha->list);
+ qlt_update_vp_map(vha, RESET_VP_IDX);
spin_unlock_irqrestore(&ha->vport_slock, flags);
vp_id = vha->vp_idx;
@@ -134,7 +139,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha)
list_for_each_entry(fcport, &vha->vp_fcports, list) {
ql_dbg(ql_dbg_vport, vha, 0xa001,
"Marking port dead, loop_id=0x%04x : %x.\n",
- fcport->loop_id, fcport->vp_idx);
+ fcport->loop_id, fcport->vha->vp_idx);
qla2x00_mark_device_lost(vha, fcport, 0, 0);
qla2x00_set_fcport_state(fcport, FCS_UNCONFIGURED);
@@ -150,6 +155,9 @@ qla24xx_disable_vp(scsi_qla_host_t *vha)
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
+ /* Remove port id from vp target map */
+ qlt_update_vp_map(vha, RESET_AL_PA);
+
qla2x00_mark_vp_devices_dead(vha);
atomic_set(&vha->vp_state, VP_FAILED);
vha->flags.management_server_logged_in = 0;
@@ -295,10 +303,8 @@ qla2x00_vp_abort_isp(scsi_qla_host_t *vha)
static int
qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
{
- ql_dbg(ql_dbg_dpc, vha, 0x4012,
- "Entering %s.\n", __func__);
- ql_dbg(ql_dbg_dpc, vha, 0x4013,
- "vp_flags: 0x%lx.\n", vha->vp_flags);
+ ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x4012,
+ "Entering %s vp_flags: 0x%lx.\n", __func__, vha->vp_flags);
qla2x00_do_work(vha);
@@ -348,7 +354,7 @@ qla2x00_do_dpc_vp(scsi_qla_host_t *vha)
}
}
- ql_dbg(ql_dbg_dpc, vha, 0x401c,
+ ql_dbg(ql_dbg_dpc + ql_dbg_verbose, vha, 0x401c,
"Exiting %s.\n", __func__);
return 0;
}
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
index de722a93343..caf627ba7fa 100644
--- a/drivers/scsi/qla2xxx/qla_nx.c
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -1190,12 +1190,12 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
}
/* Offset in flash = lower 16 bits
- * Number of enteries = upper 16 bits
+ * Number of entries = upper 16 bits
*/
offset = n & 0xffffU;
n = (n >> 16) & 0xffffU;
- /* number of addr/value pair should not exceed 1024 enteries */
+ /* number of addr/value pair should not exceed 1024 entries */
if (n >= 1024) {
ql_log(ql_log_fatal, vha, 0x0071,
"Card flash not initialized:n=0x%x.\n", n);
@@ -2050,7 +2050,7 @@ qla82xx_intr_handler(int irq, void *dev_id)
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
- ql_log(ql_log_info, NULL, 0xb054,
+ ql_log(ql_log_info, NULL, 0xb053,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
@@ -2446,7 +2446,7 @@ qla82xx_load_fw(scsi_qla_host_t *vha)
if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
ql_log(ql_log_info, vha, 0x00a1,
- "Firmware loaded successully from flash.\n");
+ "Firmware loaded successfully from flash.\n");
return QLA_SUCCESS;
} else {
ql_log(ql_log_warn, vha, 0x0108,
@@ -2461,7 +2461,7 @@ try_blob_fw:
blob = ha->hablob = qla2x00_request_firmware(vha);
if (!blob) {
ql_log(ql_log_fatal, vha, 0x00a3,
- "Firmware image not preset.\n");
+ "Firmware image not present.\n");
goto fw_load_failed;
}
@@ -2689,7 +2689,7 @@ qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
if (!optrom) {
ql_log(ql_log_warn, vha, 0xb01b,
"Unable to allocate memory "
- "for optron burst write (%x KB).\n",
+ "for optrom burst write (%x KB).\n",
OPTROM_BURST_SIZE / 1024);
}
}
@@ -2960,9 +2960,8 @@ qla82xx_need_qsnt_handler(scsi_qla_host_t *vha)
* changing the state to DEV_READY
*/
ql_log(ql_log_info, vha, 0xb023,
- "%s : QUIESCENT TIMEOUT.\n", QLA2XXX_DRIVER_NAME);
- ql_log(ql_log_info, vha, 0xb024,
- "DRV_ACTIVE:%d DRV_STATE:%d.\n",
+ "%s : QUIESCENT TIMEOUT DRV_ACTIVE:%d "
+ "DRV_STATE:%d.\n", QLA2XXX_DRIVER_NAME,
drv_active, drv_state);
qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA82XX_DEV_READY);
@@ -3129,7 +3128,7 @@ qla82xx_need_reset_handler(scsi_qla_host_t *vha)
if (ql2xmdenable) {
if (qla82xx_md_collect(vha))
ql_log(ql_log_warn, vha, 0xb02c,
- "Not able to collect minidump.\n");
+ "Minidump not collected.\n");
} else
ql_log(ql_log_warn, vha, 0xb04f,
"Minidump disabled.\n");
@@ -3160,11 +3159,11 @@ qla82xx_check_md_needed(scsi_qla_host_t *vha)
"Firmware version differs "
"Previous version: %d:%d:%d - "
"New version: %d:%d:%d\n",
+ fw_major_version, fw_minor_version,
+ fw_subminor_version,
ha->fw_major_version,
ha->fw_minor_version,
- ha->fw_subminor_version,
- fw_major_version, fw_minor_version,
- fw_subminor_version);
+ ha->fw_subminor_version);
/* Release MiniDump resources */
qla82xx_md_free(vha);
/* ALlocate MiniDump resources */
@@ -3325,6 +3324,30 @@ exit:
return rval;
}
+static int qla82xx_check_temp(scsi_qla_host_t *vha)
+{
+ uint32_t temp, temp_state, temp_val;
+ struct qla_hw_data *ha = vha->hw;
+
+ temp = qla82xx_rd_32(ha, CRB_TEMP_STATE);
+ temp_state = qla82xx_get_temp_state(temp);
+ temp_val = qla82xx_get_temp_val(temp);
+
+ if (temp_state == QLA82XX_TEMP_PANIC) {
+ ql_log(ql_log_warn, vha, 0x600e,
+ "Device temperature %d degrees C exceeds "
+ " maximum allowed. Hardware has been shut down.\n",
+ temp_val);
+ return 1;
+ } else if (temp_state == QLA82XX_TEMP_WARN) {
+ ql_log(ql_log_warn, vha, 0x600f,
+ "Device temperature %d degrees C exceeds "
+ "operating range. Immediate action needed.\n",
+ temp_val);
+ }
+ return 0;
+}
+
void qla82xx_clear_pending_mbx(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
@@ -3347,18 +3370,20 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
/* don't poll if reset is going on */
if (!ha->flags.isp82xx_reset_hdlr_active) {
dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
- if (dev_state == QLA82XX_DEV_NEED_RESET &&
+ if (qla82xx_check_temp(vha)) {
+ set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
+ ha->flags.isp82xx_fw_hung = 1;
+ qla82xx_clear_pending_mbx(vha);
+ } else if (dev_state == QLA82XX_DEV_NEED_RESET &&
!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) {
ql_log(ql_log_warn, vha, 0x6001,
"Adapter reset needed.\n");
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
} else if (dev_state == QLA82XX_DEV_NEED_QUIESCENT &&
!test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) {
ql_log(ql_log_warn, vha, 0x6002,
"Quiescent needed.\n");
set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
- qla2xxx_wake_dpc(vha);
} else {
if (qla82xx_check_fw_alive(vha)) {
ql_dbg(ql_dbg_timer, vha, 0x6011,
@@ -3398,7 +3423,6 @@ void qla82xx_watchdog(scsi_qla_host_t *vha)
set_bit(ISP_ABORT_NEEDED,
&vha->dpc_flags);
}
- qla2xxx_wake_dpc(vha);
ha->flags.isp82xx_fw_hung = 1;
ql_log(ql_log_warn, vha, 0x6007, "Firmware hung.\n");
qla82xx_clear_pending_mbx(vha);
@@ -4113,6 +4137,14 @@ qla82xx_md_collect(scsi_qla_host_t *vha)
goto md_failed;
}
+ if (ha->flags.isp82xx_no_md_cap) {
+ ql_log(ql_log_warn, vha, 0xb054,
+ "Forced reset from application, "
+ "ignore minidump capture\n");
+ ha->flags.isp82xx_no_md_cap = 0;
+ goto md_failed;
+ }
+
if (qla82xx_validate_template_chksum(vha)) {
ql_log(ql_log_info, vha, 0xb039,
"Template checksum validation error\n");
diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h
index 4ac50e27466..6eb210e3cc6 100644
--- a/drivers/scsi/qla2xxx/qla_nx.h
+++ b/drivers/scsi/qla2xxx/qla_nx.h
@@ -26,6 +26,7 @@
#define CRB_RCVPEG_STATE QLA82XX_REG(0x13c)
#define BOOT_LOADER_DIMM_STATUS QLA82XX_REG(0x54)
#define CRB_DMA_SHIFT QLA82XX_REG(0xcc)
+#define CRB_TEMP_STATE QLA82XX_REG(0x1b4)
#define QLA82XX_DMA_SHIFT_VALUE 0x55555555
#define QLA82XX_HW_H0_CH_HUB_ADR 0x05
@@ -561,7 +562,6 @@
#define QLA82XX_FW_VERSION_SUB (QLA82XX_CAM_RAM(0x158))
#define QLA82XX_PCIE_REG(reg) (QLA82XX_CRB_PCIE + (reg))
-#define PCIE_CHICKEN3 (0x120c8)
#define PCIE_SETUP_FUNCTION (0x12040)
#define PCIE_SETUP_FUNCTION2 (0x12048)
@@ -1178,4 +1178,16 @@ static const int MD_MIU_TEST_AGT_RDDATA[] = { 0x410000A8, 0x410000AC,
#define CRB_NIU_XG_PAUSE_CTL_P0 0x1
#define CRB_NIU_XG_PAUSE_CTL_P1 0x8
+#define qla82xx_get_temp_val(x) ((x) >> 16)
+#define qla82xx_get_temp_state(x) ((x) & 0xffff)
+#define qla82xx_encode_temp(val, state) (((val) << 16) | (state))
+
+/*
+ * Temperature control.
+ */
+enum {
+ QLA82XX_TEMP_NORMAL = 0x1, /* Normal operating range */
+ QLA82XX_TEMP_WARN, /* Sound alert, temperature getting high */
+ QLA82XX_TEMP_PANIC /* Fatal error, hardware has shut down. */
+};
#endif
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index c9c56a8427f..6d1d873a20e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -13,12 +13,13 @@
#include <linux/mutex.h>
#include <linux/kobject.h>
#include <linux/slab.h>
-
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
+#include "qla_target.h"
+
/*
* Driver version
*/
@@ -40,6 +41,12 @@ static struct kmem_cache *ctx_cachep;
*/
int ql_errlev = ql_log_all;
+int ql2xenableclass2;
+module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xenableclass2,
+ "Specify if Class 2 operations are supported from the very "
+ "beginning. Default is 0 - class 2 not supported.");
+
int ql2xlogintimeout = 20;
module_param(ql2xlogintimeout, int, S_IRUGO);
MODULE_PARM_DESC(ql2xlogintimeout,
@@ -255,6 +262,8 @@ struct scsi_host_template qla2xxx_driver_template = {
.max_sectors = 0xFFFF,
.shost_attrs = qla2x00_host_attrs,
+
+ .supported_mode = MODE_INITIATOR,
};
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
@@ -306,7 +315,8 @@ static void qla2x00_free_fw_dump(struct qla_hw_data *);
static void qla2x00_mem_free(struct qla_hw_data *);
/* -------------------------------------------------------------------------- */
-static int qla2x00_alloc_queues(struct qla_hw_data *ha)
+static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
+ struct rsp_que *rsp)
{
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
@@ -324,6 +334,12 @@ static int qla2x00_alloc_queues(struct qla_hw_data *ha)
"Unable to allocate memory for response queue ptrs.\n");
goto fail_rsp_map;
}
+ /*
+ * Make sure we record at least the request and response queue zero in
+ * case we need to free them if part of the probe fails.
+ */
+ ha->rsp_q_map[0] = rsp;
+ ha->req_q_map[0] = req;
set_bit(0, ha->rsp_qid_map);
set_bit(0, ha->req_qid_map);
return 1;
@@ -642,12 +658,12 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
if (ha->flags.eeh_busy) {
if (ha->flags.pci_channel_io_perm_failure) {
- ql_dbg(ql_dbg_io, vha, 0x3001,
+ ql_dbg(ql_dbg_aer, vha, 0x9010,
"PCI Channel IO permanent failure, exiting "
"cmd=%p.\n", cmd);
cmd->result = DID_NO_CONNECT << 16;
} else {
- ql_dbg(ql_dbg_io, vha, 0x3002,
+ ql_dbg(ql_dbg_aer, vha, 0x9011,
"EEH_Busy, Requeuing the cmd=%p.\n", cmd);
cmd->result = DID_REQUEUE << 16;
}
@@ -657,7 +673,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
rval = fc_remote_port_chkready(rport);
if (rval) {
cmd->result = rval;
- ql_dbg(ql_dbg_io, vha, 0x3003,
+ ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
"fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
cmd, rval);
goto qc24_fail_command;
@@ -1136,7 +1152,7 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
ret = FAILED;
ql_log(ql_log_info, vha, 0x8012,
- "BUS RESET ISSUED nexus=%ld:%d%d.\n", vha->host_no, id, lun);
+ "BUS RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun);
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_fatal, vha, 0x8013,
@@ -2180,6 +2196,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
"Memory allocated for ha=%p.\n", ha);
ha->pdev = pdev;
+ ha->tgt.enable_class_2 = ql2xenableclass2;
/* Clear our data area */
ha->bars = bars;
@@ -2243,6 +2260,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
ha->gid_list_info_size = 8;
@@ -2258,6 +2276,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
ha->gid_list_info_size = 8;
@@ -2417,6 +2436,17 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->max_cmd_len, host->max_channel, host->max_lun,
host->transportt, sht->vendor_id);
+que_init:
+ /* Alloc arrays of request and response ring ptrs */
+ if (!qla2x00_alloc_queues(ha, req, rsp)) {
+ ql_log(ql_log_fatal, base_vha, 0x003d,
+ "Failed to allocate memory for queue pointers..."
+ "aborting.\n");
+ goto probe_init_failed;
+ }
+
+ qlt_probe_one_stage1(base_vha, ha);
+
/* Set up the irqs */
ret = qla2x00_request_irqs(ha, rsp);
if (ret)
@@ -2424,20 +2454,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_save_state(pdev);
- /* Alloc arrays of request and response ring ptrs */
-que_init:
- if (!qla2x00_alloc_queues(ha)) {
- ql_log(ql_log_fatal, base_vha, 0x003d,
- "Failed to allocate memory for queue pointers.. aborting.\n");
- goto probe_init_failed;
- }
-
- ha->rsp_q_map[0] = rsp;
- ha->req_q_map[0] = req;
+ /* Assign back pointers */
rsp->req = req;
req->rsp = rsp;
- set_bit(0, ha->req_qid_map);
- set_bit(0, ha->rsp_qid_map);
+
/* FWI2-capable only. */
req->req_q_in = &ha->iobase->isp24.req_q_in;
req->req_q_out = &ha->iobase->isp24.req_q_out;
@@ -2514,6 +2534,14 @@ que_init:
ql_dbg(ql_dbg_init, base_vha, 0x00ee,
"DPC thread started successfully.\n");
+ /*
+ * If we're not coming up in initiator mode, we might sit for
+ * a while without waking up the dpc thread, which leads to a
+ * stuck process warning. So just kick the dpc once here and
+ * let the kthread start (and go back to sleep in qla2x00_do_dpc).
+ */
+ qla2xxx_wake_dpc(base_vha);
+
skip_dpc:
list_add_tail(&base_vha->list, &ha->vp_list);
base_vha->host->irq = ha->pdev->irq;
@@ -2559,7 +2587,11 @@ skip_dpc:
ql_dbg(ql_dbg_init, base_vha, 0x00f2,
"Init done and hba is online.\n");
- scsi_scan_host(host);
+ if (qla_ini_mode_enabled(base_vha))
+ scsi_scan_host(host);
+ else
+ ql_dbg(ql_dbg_init, base_vha, 0x0122,
+ "skipping scsi_scan_host() for non-initiator port\n");
qla2x00_alloc_sysfs_attr(base_vha);
@@ -2577,11 +2609,17 @@ skip_dpc:
base_vha->host_no,
ha->isp_ops->fw_version_str(base_vha, fw_str));
+ qlt_add_target(ha, base_vha);
+
return 0;
probe_init_failed:
qla2x00_free_req_que(ha, req);
+ ha->req_q_map[0] = NULL;
+ clear_bit(0, ha->req_qid_map);
qla2x00_free_rsp_que(ha, rsp);
+ ha->rsp_q_map[0] = NULL;
+ clear_bit(0, ha->rsp_qid_map);
ha->max_req_queues = ha->max_rsp_queues = 0;
probe_failed:
@@ -2621,6 +2659,22 @@ probe_out:
}
static void
+qla2x00_stop_dpc_thread(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct task_struct *t = ha->dpc_thread;
+
+ if (ha->dpc_thread == NULL)
+ return;
+ /*
+ * qla2xxx_wake_dpc checks for ->dpc_thread
+ * so we need to zero it out.
+ */
+ ha->dpc_thread = NULL;
+ kthread_stop(t);
+}
+
+static void
qla2x00_shutdown(struct pci_dev *pdev)
{
scsi_qla_host_t *vha;
@@ -2663,9 +2717,18 @@ qla2x00_remove_one(struct pci_dev *pdev)
struct qla_hw_data *ha;
unsigned long flags;
+ /*
+ * If the PCI device is disabled that means that probe failed and any
+ * resources should be have cleaned up on probe exit.
+ */
+ if (!atomic_read(&pdev->enable_cnt))
+ return;
+
base_vha = pci_get_drvdata(pdev);
ha = base_vha->hw;
+ ha->flags.host_shutting_down = 1;
+
mutex_lock(&ha->vport_lock);
while (ha->cur_vport_count) {
struct Scsi_Host *scsi_host;
@@ -2719,6 +2782,7 @@ qla2x00_remove_one(struct pci_dev *pdev)
ha->dpc_thread = NULL;
kthread_stop(t);
}
+ qlt_remove_target(ha, base_vha);
qla2x00_free_sysfs_attr(base_vha);
@@ -2770,17 +2834,7 @@ qla2x00_free_device(scsi_qla_host_t *vha)
if (vha->timer_active)
qla2x00_stop_timer(vha);
- /* Kill the kernel thread for this host */
- if (ha->dpc_thread) {
- struct task_struct *t = ha->dpc_thread;
-
- /*
- * qla2xxx_wake_dpc checks for ->dpc_thread
- * so we need to zero it out.
- */
- ha->dpc_thread = NULL;
- kthread_stop(t);
- }
+ qla2x00_stop_dpc_thread(vha);
qla25xx_delete_queues(vha);
@@ -2842,8 +2896,10 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
spin_unlock_irqrestore(vha->host->host_lock, flags);
set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
- } else
+ } else {
fc_remote_port_delete(rport);
+ qlt_fc_port_deleted(vha, fcport);
+ }
}
/*
@@ -2859,7 +2915,7 @@ void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
int do_login, int defer)
{
if (atomic_read(&fcport->state) == FCS_ONLINE &&
- vha->vp_idx == fcport->vp_idx) {
+ vha->vp_idx == fcport->vha->vp_idx) {
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
qla2x00_schedule_rport_del(vha, fcport, defer);
}
@@ -2908,7 +2964,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
fc_port_t *fcport;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
- if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx)
+ if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
continue;
/*
@@ -2921,7 +2977,7 @@ qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
if (defer)
qla2x00_schedule_rport_del(vha, fcport, defer);
- else if (vha->vp_idx == fcport->vp_idx)
+ else if (vha->vp_idx == fcport->vha->vp_idx)
qla2x00_schedule_rport_del(vha, fcport, defer);
}
}
@@ -2946,10 +3002,13 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
if (!ha->init_cb)
goto fail;
+ if (qlt_mem_alloc(ha) < 0)
+ goto fail_free_init_cb;
+
ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
if (!ha->gid_list)
- goto fail_free_init_cb;
+ goto fail_free_tgt_mem;
ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
if (!ha->srb_mempool)
@@ -3167,6 +3226,8 @@ fail_free_gid_list:
ha->gid_list_dma);
ha->gid_list = NULL;
ha->gid_list_dma = 0;
+fail_free_tgt_mem:
+ qlt_mem_free(ha);
fail_free_init_cb:
dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
ha->init_cb_dma);
@@ -3282,6 +3343,8 @@ qla2x00_mem_free(struct qla_hw_data *ha)
if (ha->ctx_mempool)
mempool_destroy(ha->ctx_mempool);
+ qlt_mem_free(ha);
+
if (ha->init_cb)
dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
ha->init_cb, ha->init_cb_dma);
@@ -3311,6 +3374,10 @@ qla2x00_mem_free(struct qla_hw_data *ha)
ha->gid_list = NULL;
ha->gid_list_dma = 0;
+
+ ha->tgt.atio_ring = NULL;
+ ha->tgt.atio_dma = 0;
+ ha->tgt.tgt_vp_map = NULL;
}
struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
@@ -3671,10 +3738,9 @@ qla2x00_do_dpc(void *data)
ha->dpc_active = 1;
- ql_dbg(ql_dbg_dpc, base_vha, 0x4001,
- "DPC handler waking up.\n");
- ql_dbg(ql_dbg_dpc, base_vha, 0x4002,
- "dpc_flags=0x%lx.\n", base_vha->dpc_flags);
+ ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
+ "DPC handler waking up, dpc_flags=0x%lx.\n",
+ base_vha->dpc_flags);
qla2x00_do_work(base_vha);
@@ -3740,6 +3806,16 @@ qla2x00_do_dpc(void *data)
clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
}
+ if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
+ int ret;
+ ret = qla2x00_send_change_request(base_vha, 0x3, 0);
+ if (ret != QLA_SUCCESS)
+ ql_log(ql_log_warn, base_vha, 0x121,
+ "Failed to enable receiving of RSCN "
+ "requests: 0x%x.\n", ret);
+ clear_bit(SCR_PENDING, &base_vha->dpc_flags);
+ }
+
if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
"Quiescence mode scheduled.\n");
@@ -4457,6 +4533,21 @@ qla2x00_module_init(void)
return -ENOMEM;
}
+ /* Initialize target kmem_cache and mem_pools */
+ ret = qlt_init();
+ if (ret < 0) {
+ kmem_cache_destroy(srb_cachep);
+ return ret;
+ } else if (ret > 0) {
+ /*
+ * If initiator mode is explictly disabled by qlt_init(),
+ * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
+ * performing scsi_scan_target() during LOOP UP event.
+ */
+ qla2xxx_transport_functions.disable_target_scan = 1;
+ qla2xxx_transport_vport_functions.disable_target_scan = 1;
+ }
+
/* Derive version string. */
strcpy(qla2x00_version_str, QLA2XXX_VERSION);
if (ql2xextended_error_logging)
@@ -4468,6 +4559,7 @@ qla2x00_module_init(void)
kmem_cache_destroy(srb_cachep);
ql_log(ql_log_fatal, NULL, 0x0002,
"fc_attach_transport failed...Failing load!.\n");
+ qlt_exit();
return -ENODEV;
}
@@ -4481,6 +4573,7 @@ qla2x00_module_init(void)
fc_attach_transport(&qla2xxx_transport_vport_functions);
if (!qla2xxx_transport_vport_template) {
kmem_cache_destroy(srb_cachep);
+ qlt_exit();
fc_release_transport(qla2xxx_transport_template);
ql_log(ql_log_fatal, NULL, 0x0004,
"fc_attach_transport vport failed...Failing load!.\n");
@@ -4492,6 +4585,7 @@ qla2x00_module_init(void)
ret = pci_register_driver(&qla2xxx_pci_driver);
if (ret) {
kmem_cache_destroy(srb_cachep);
+ qlt_exit();
fc_release_transport(qla2xxx_transport_template);
fc_release_transport(qla2xxx_transport_vport_template);
ql_log(ql_log_fatal, NULL, 0x0006,
@@ -4511,6 +4605,7 @@ qla2x00_module_exit(void)
pci_unregister_driver(&qla2xxx_pci_driver);
qla2x00_release_firmware();
kmem_cache_destroy(srb_cachep);
+ qlt_exit();
if (ctx_cachep)
kmem_cache_destroy(ctx_cachep);
fc_release_transport(qla2xxx_transport_template);
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
new file mode 100644
index 00000000000..04f80ebf09e
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -0,0 +1,4973 @@
+/*
+ * qla_target.c SCSI LLD infrastructure for QLogic 22xx/23xx/24xx/25xx
+ *
+ * based on qla2x00t.c code:
+ *
+ * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
+ * Copyright (C) 2004 - 2005 Leonid Stoljar
+ * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
+ * Copyright (C) 2006 - 2010 ID7 Ltd.
+ *
+ * Forward port and refactoring to modern qla2xxx and target/configfs
+ *
+ * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/version.h>
+#include <linux/blkdev.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/list.h>
+#include <linux/workqueue.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <target/target_core_base.h>
+#include <target/target_core_fabric.h>
+
+#include "qla_def.h"
+#include "qla_target.h"
+
+static char *qlini_mode = QLA2XXX_INI_MODE_STR_ENABLED;
+module_param(qlini_mode, charp, S_IRUGO);
+MODULE_PARM_DESC(qlini_mode,
+ "Determines when initiator mode will be enabled. Possible values: "
+ "\"exclusive\" - initiator mode will be enabled on load, "
+ "disabled on enabling target mode and then on disabling target mode "
+ "enabled back; "
+ "\"disabled\" - initiator mode will never be enabled; "
+ "\"enabled\" (default) - initiator mode will always stay enabled.");
+
+static int ql2x_ini_mode = QLA2XXX_INI_MODE_EXCLUSIVE;
+
+/*
+ * From scsi/fc/fc_fcp.h
+ */
+enum fcp_resp_rsp_codes {
+ FCP_TMF_CMPL = 0,
+ FCP_DATA_LEN_INVALID = 1,
+ FCP_CMND_FIELDS_INVALID = 2,
+ FCP_DATA_PARAM_MISMATCH = 3,
+ FCP_TMF_REJECTED = 4,
+ FCP_TMF_FAILED = 5,
+ FCP_TMF_INVALID_LUN = 9,
+};
+
+/*
+ * fc_pri_ta from scsi/fc/fc_fcp.h
+ */
+#define FCP_PTA_SIMPLE 0 /* simple task attribute */
+#define FCP_PTA_HEADQ 1 /* head of queue task attribute */
+#define FCP_PTA_ORDERED 2 /* ordered task attribute */
+#define FCP_PTA_ACA 4 /* auto. contigent allegiance */
+#define FCP_PTA_MASK 7 /* mask for task attribute field */
+#define FCP_PRI_SHIFT 3 /* priority field starts in bit 3 */
+#define FCP_PRI_RESVD_MASK 0x80 /* reserved bits in priority field */
+
+/*
+ * This driver calls qla2x00_alloc_iocbs() and qla2x00_issue_marker(), which
+ * must be called under HW lock and could unlock/lock it inside.
+ * It isn't an issue, since in the current implementation on the time when
+ * those functions are called:
+ *
+ * - Either context is IRQ and only IRQ handler can modify HW data,
+ * including rings related fields,
+ *
+ * - Or access to target mode variables from struct qla_tgt doesn't
+ * cross those functions boundaries, except tgt_stop, which
+ * additionally protected by irq_cmd_count.
+ */
+/* Predefs for callbacks handed to qla2xxx LLD */
+static void qlt_24xx_atio_pkt(struct scsi_qla_host *ha,
+ struct atio_from_isp *pkt);
+static void qlt_response_pkt(struct scsi_qla_host *ha, response_t *pkt);
+static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
+ int fn, void *iocb, int flags);
+static void qlt_send_term_exchange(struct scsi_qla_host *ha, struct qla_tgt_cmd
+ *cmd, struct atio_from_isp *atio, int ha_locked);
+static void qlt_reject_free_srr_imm(struct scsi_qla_host *ha,
+ struct qla_tgt_srr_imm *imm, int ha_lock);
+/*
+ * Global Variables
+ */
+static struct kmem_cache *qla_tgt_cmd_cachep;
+static struct kmem_cache *qla_tgt_mgmt_cmd_cachep;
+static mempool_t *qla_tgt_mgmt_cmd_mempool;
+static struct workqueue_struct *qla_tgt_wq;
+static DEFINE_MUTEX(qla_tgt_mutex);
+static LIST_HEAD(qla_tgt_glist);
+
+/* ha->hardware_lock supposed to be held on entry (to protect tgt->sess_list) */
+static struct qla_tgt_sess *qlt_find_sess_by_port_name(
+ struct qla_tgt *tgt,
+ const uint8_t *port_name)
+{
+ struct qla_tgt_sess *sess;
+
+ list_for_each_entry(sess, &tgt->sess_list, sess_list_entry) {
+ if (!memcmp(sess->port_name, port_name, WWN_SIZE))
+ return sess;
+ }
+
+ return NULL;
+}
+
+/* Might release hw lock, then reaquire!! */
+static inline int qlt_issue_marker(struct scsi_qla_host *vha, int vha_locked)
+{
+ /* Send marker if required */
+ if (unlikely(vha->marker_needed != 0)) {
+ int rc = qla2x00_issue_marker(vha, vha_locked);
+ if (rc != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe03d,
+ "qla_target(%d): issue_marker() failed\n",
+ vha->vp_idx);
+ }
+ return rc;
+ }
+ return QLA_SUCCESS;
+}
+
+static inline
+struct scsi_qla_host *qlt_find_host_by_d_id(struct scsi_qla_host *vha,
+ uint8_t *d_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint8_t vp_idx;
+
+ if ((vha->d_id.b.area != d_id[1]) || (vha->d_id.b.domain != d_id[0]))
+ return NULL;
+
+ if (vha->d_id.b.al_pa == d_id[2])
+ return vha;
+
+ BUG_ON(ha->tgt.tgt_vp_map == NULL);
+ vp_idx = ha->tgt.tgt_vp_map[d_id[2]].idx;
+ if (likely(test_bit(vp_idx, ha->vp_idx_map)))
+ return ha->tgt.tgt_vp_map[vp_idx].vha;
+
+ return NULL;
+}
+
+static inline
+struct scsi_qla_host *qlt_find_host_by_vp_idx(struct scsi_qla_host *vha,
+ uint16_t vp_idx)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (vha->vp_idx == vp_idx)
+ return vha;
+
+ BUG_ON(ha->tgt.tgt_vp_map == NULL);
+ if (likely(test_bit(vp_idx, ha->vp_idx_map)))
+ return ha->tgt.tgt_vp_map[vp_idx].vha;
+
+ return NULL;
+}
+
+void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha,
+ struct atio_from_isp *atio)
+{
+ switch (atio->u.raw.entry_type) {
+ case ATIO_TYPE7:
+ {
+ struct scsi_qla_host *host = qlt_find_host_by_d_id(vha,
+ atio->u.isp24.fcp_hdr.d_id);
+ if (unlikely(NULL == host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe03e,
+ "qla_target(%d): Received ATIO_TYPE7 "
+ "with unknown d_id %x:%x:%x\n", vha->vp_idx,
+ atio->u.isp24.fcp_hdr.d_id[0],
+ atio->u.isp24.fcp_hdr.d_id[1],
+ atio->u.isp24.fcp_hdr.d_id[2]);
+ break;
+ }
+ qlt_24xx_atio_pkt(host, atio);
+ break;
+ }
+
+ case IMMED_NOTIFY_TYPE:
+ {
+ struct scsi_qla_host *host = vha;
+ struct imm_ntfy_from_isp *entry =
+ (struct imm_ntfy_from_isp *)atio;
+
+ if ((entry->u.isp24.vp_index != 0xFF) &&
+ (entry->u.isp24.nport_handle != 0xFFFF)) {
+ host = qlt_find_host_by_vp_idx(vha,
+ entry->u.isp24.vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe03f,
+ "qla_target(%d): Received "
+ "ATIO (IMMED_NOTIFY_TYPE) "
+ "with unknown vp_index %d\n",
+ vha->vp_idx, entry->u.isp24.vp_index);
+ break;
+ }
+ }
+ qlt_24xx_atio_pkt(host, atio);
+ break;
+ }
+
+ default:
+ ql_dbg(ql_dbg_tgt, vha, 0xe040,
+ "qla_target(%d): Received unknown ATIO atio "
+ "type %x\n", vha->vp_idx, atio->u.raw.entry_type);
+ break;
+ }
+
+ return;
+}
+
+void qlt_response_pkt_all_vps(struct scsi_qla_host *vha, response_t *pkt)
+{
+ switch (pkt->entry_type) {
+ case CTIO_TYPE7:
+ {
+ struct ctio7_from_24xx *entry = (struct ctio7_from_24xx *)pkt;
+ struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+ entry->vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe041,
+ "qla_target(%d): Response pkt (CTIO_TYPE7) "
+ "received, with unknown vp_index %d\n",
+ vha->vp_idx, entry->vp_index);
+ break;
+ }
+ qlt_response_pkt(host, pkt);
+ break;
+ }
+
+ case IMMED_NOTIFY_TYPE:
+ {
+ struct scsi_qla_host *host = vha;
+ struct imm_ntfy_from_isp *entry =
+ (struct imm_ntfy_from_isp *)pkt;
+
+ host = qlt_find_host_by_vp_idx(vha, entry->u.isp24.vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe042,
+ "qla_target(%d): Response pkt (IMMED_NOTIFY_TYPE) "
+ "received, with unknown vp_index %d\n",
+ vha->vp_idx, entry->u.isp24.vp_index);
+ break;
+ }
+ qlt_response_pkt(host, pkt);
+ break;
+ }
+
+ case NOTIFY_ACK_TYPE:
+ {
+ struct scsi_qla_host *host = vha;
+ struct nack_to_isp *entry = (struct nack_to_isp *)pkt;
+
+ if (0xFF != entry->u.isp24.vp_index) {
+ host = qlt_find_host_by_vp_idx(vha,
+ entry->u.isp24.vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe043,
+ "qla_target(%d): Response "
+ "pkt (NOTIFY_ACK_TYPE) "
+ "received, with unknown "
+ "vp_index %d\n", vha->vp_idx,
+ entry->u.isp24.vp_index);
+ break;
+ }
+ }
+ qlt_response_pkt(host, pkt);
+ break;
+ }
+
+ case ABTS_RECV_24XX:
+ {
+ struct abts_recv_from_24xx *entry =
+ (struct abts_recv_from_24xx *)pkt;
+ struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+ entry->vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe044,
+ "qla_target(%d): Response pkt "
+ "(ABTS_RECV_24XX) received, with unknown "
+ "vp_index %d\n", vha->vp_idx, entry->vp_index);
+ break;
+ }
+ qlt_response_pkt(host, pkt);
+ break;
+ }
+
+ case ABTS_RESP_24XX:
+ {
+ struct abts_resp_to_24xx *entry =
+ (struct abts_resp_to_24xx *)pkt;
+ struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha,
+ entry->vp_index);
+ if (unlikely(!host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe045,
+ "qla_target(%d): Response pkt "
+ "(ABTS_RECV_24XX) received, with unknown "
+ "vp_index %d\n", vha->vp_idx, entry->vp_index);
+ break;
+ }
+ qlt_response_pkt(host, pkt);
+ break;
+ }
+
+ default:
+ qlt_response_pkt(vha, pkt);
+ break;
+ }
+
+}
+
+static void qlt_free_session_done(struct work_struct *work)
+{
+ struct qla_tgt_sess *sess = container_of(work, struct qla_tgt_sess,
+ free_work);
+ struct qla_tgt *tgt = sess->tgt;
+ struct scsi_qla_host *vha = sess->vha;
+ struct qla_hw_data *ha = vha->hw;
+
+ BUG_ON(!tgt);
+ /*
+ * Release the target session for FC Nexus from fabric module code.
+ */
+ if (sess->se_sess != NULL)
+ ha->tgt.tgt_ops->free_session(sess);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf001,
+ "Unregistration of sess %p finished\n", sess);
+
+ kfree(sess);
+ /*
+ * We need to protect against race, when tgt is freed before or
+ * inside wake_up()
+ */
+ tgt->sess_count--;
+ if (tgt->sess_count == 0)
+ wake_up_all(&tgt->waitQ);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+void qlt_unreg_sess(struct qla_tgt_sess *sess)
+{
+ struct scsi_qla_host *vha = sess->vha;
+
+ vha->hw->tgt.tgt_ops->clear_nacl_from_fcport_map(sess);
+
+ list_del(&sess->sess_list_entry);
+ if (sess->deleted)
+ list_del(&sess->del_list_entry);
+
+ INIT_WORK(&sess->free_work, qlt_free_session_done);
+ schedule_work(&sess->free_work);
+}
+EXPORT_SYMBOL(qlt_unreg_sess);
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_reset(struct scsi_qla_host *vha, void *iocb, int mcmd)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess = NULL;
+ uint32_t unpacked_lun, lun = 0;
+ uint16_t loop_id;
+ int res = 0;
+ struct imm_ntfy_from_isp *n = (struct imm_ntfy_from_isp *)iocb;
+ struct atio_from_isp *a = (struct atio_from_isp *)iocb;
+
+ loop_id = le16_to_cpu(n->u.isp24.nport_handle);
+ if (loop_id == 0xFFFF) {
+#if 0 /* FIXME: Re-enable Global event handling.. */
+ /* Global event */
+ atomic_inc(&ha->tgt.qla_tgt->tgt_global_resets_count);
+ qlt_clear_tgt_db(ha->tgt.qla_tgt, 1);
+ if (!list_empty(&ha->tgt.qla_tgt->sess_list)) {
+ sess = list_entry(ha->tgt.qla_tgt->sess_list.next,
+ typeof(*sess), sess_list_entry);
+ switch (mcmd) {
+ case QLA_TGT_NEXUS_LOSS_SESS:
+ mcmd = QLA_TGT_NEXUS_LOSS;
+ break;
+ case QLA_TGT_ABORT_ALL_SESS:
+ mcmd = QLA_TGT_ABORT_ALL;
+ break;
+ case QLA_TGT_NEXUS_LOSS:
+ case QLA_TGT_ABORT_ALL:
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt, vha, 0xe046,
+ "qla_target(%d): Not allowed "
+ "command %x in %s", vha->vp_idx,
+ mcmd, __func__);
+ sess = NULL;
+ break;
+ }
+ } else
+ sess = NULL;
+#endif
+ } else {
+ sess = ha->tgt.tgt_ops->find_sess_by_loop_id(vha, loop_id);
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe000,
+ "Using sess for qla_tgt_reset: %p\n", sess);
+ if (!sess) {
+ res = -ESRCH;
+ return res;
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe047,
+ "scsi(%ld): resetting (session %p from port "
+ "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x, "
+ "mcmd %x, loop_id %d)\n", vha->host_no, sess,
+ sess->port_name[0], sess->port_name[1],
+ sess->port_name[2], sess->port_name[3],
+ sess->port_name[4], sess->port_name[5],
+ sess->port_name[6], sess->port_name[7],
+ mcmd, loop_id);
+
+ lun = a->u.isp24.fcp_cmnd.lun;
+ unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
+
+ return qlt_issue_task_mgmt(sess, unpacked_lun, mcmd,
+ iocb, QLA24XX_MGMT_SEND_NACK);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static void qlt_schedule_sess_for_deletion(struct qla_tgt_sess *sess,
+ bool immediate)
+{
+ struct qla_tgt *tgt = sess->tgt;
+ uint32_t dev_loss_tmo = tgt->ha->port_down_retry_count + 5;
+
+ if (sess->deleted)
+ return;
+
+ ql_dbg(ql_dbg_tgt, sess->vha, 0xe001,
+ "Scheduling sess %p for deletion\n", sess);
+ list_add_tail(&sess->del_list_entry, &tgt->del_sess_list);
+ sess->deleted = 1;
+
+ if (immediate)
+ dev_loss_tmo = 0;
+
+ sess->expires = jiffies + dev_loss_tmo * HZ;
+
+ ql_dbg(ql_dbg_tgt, sess->vha, 0xe048,
+ "qla_target(%d): session for port %02x:%02x:%02x:"
+ "%02x:%02x:%02x:%02x:%02x (loop ID %d) scheduled for "
+ "deletion in %u secs (expires: %lu) immed: %d\n",
+ sess->vha->vp_idx,
+ sess->port_name[0], sess->port_name[1],
+ sess->port_name[2], sess->port_name[3],
+ sess->port_name[4], sess->port_name[5],
+ sess->port_name[6], sess->port_name[7],
+ sess->loop_id, dev_loss_tmo, sess->expires, immediate);
+
+ if (immediate)
+ schedule_delayed_work(&tgt->sess_del_work, 0);
+ else
+ schedule_delayed_work(&tgt->sess_del_work,
+ jiffies - sess->expires);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static void qlt_clear_tgt_db(struct qla_tgt *tgt, bool local_only)
+{
+ struct qla_tgt_sess *sess;
+
+ list_for_each_entry(sess, &tgt->sess_list, sess_list_entry)
+ qlt_schedule_sess_for_deletion(sess, true);
+
+ /* At this point tgt could be already dead */
+}
+
+static int qla24xx_get_loop_id(struct scsi_qla_host *vha, const uint8_t *s_id,
+ uint16_t *loop_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ dma_addr_t gid_list_dma;
+ struct gid_list_info *gid_list;
+ char *id_iter;
+ int res, rc, i;
+ uint16_t entries;
+
+ gid_list = dma_alloc_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
+ &gid_list_dma, GFP_KERNEL);
+ if (!gid_list) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf044,
+ "qla_target(%d): DMA Alloc failed of %u\n",
+ vha->vp_idx, qla2x00_gid_list_size(ha));
+ return -ENOMEM;
+ }
+
+ /* Get list of logged in devices */
+ rc = qla2x00_get_id_list(vha, gid_list, gid_list_dma, &entries);
+ if (rc != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf045,
+ "qla_target(%d): get_id_list() failed: %x\n",
+ vha->vp_idx, rc);
+ res = -1;
+ goto out_free_id_list;
+ }
+
+ id_iter = (char *)gid_list;
+ res = -1;
+ for (i = 0; i < entries; i++) {
+ struct gid_list_info *gid = (struct gid_list_info *)id_iter;
+ if ((gid->al_pa == s_id[2]) &&
+ (gid->area == s_id[1]) &&
+ (gid->domain == s_id[0])) {
+ *loop_id = le16_to_cpu(gid->loop_id);
+ res = 0;
+ break;
+ }
+ id_iter += ha->gid_list_info_size;
+ }
+
+out_free_id_list:
+ dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
+ gid_list, gid_list_dma);
+ return res;
+}
+
+static bool qlt_check_fcport_exist(struct scsi_qla_host *vha,
+ struct qla_tgt_sess *sess)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_port_24xx_data *pmap24;
+ bool res, found = false;
+ int rc, i;
+ uint16_t loop_id = 0xFFFF; /* to eliminate compiler's warning */
+ uint16_t entries;
+ void *pmap;
+ int pmap_len;
+ fc_port_t *fcport;
+ int global_resets;
+
+retry:
+ global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
+
+ rc = qla2x00_get_node_name_list(vha, &pmap, &pmap_len);
+ if (rc != QLA_SUCCESS) {
+ res = false;
+ goto out;
+ }
+
+ pmap24 = pmap;
+ entries = pmap_len/sizeof(*pmap24);
+
+ for (i = 0; i < entries; ++i) {
+ if (!memcmp(sess->port_name, pmap24[i].port_name, WWN_SIZE)) {
+ loop_id = le16_to_cpu(pmap24[i].loop_id);
+ found = true;
+ break;
+ }
+ }
+
+ kfree(pmap);
+
+ if (!found) {
+ res = false;
+ goto out;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf046,
+ "qlt_check_fcport_exist(): loop_id %d", loop_id);
+
+ fcport = kzalloc(sizeof(*fcport), GFP_KERNEL);
+ if (fcport == NULL) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf047,
+ "qla_target(%d): Allocation of tmp FC port failed",
+ vha->vp_idx);
+ res = false;
+ goto out;
+ }
+
+ fcport->loop_id = loop_id;
+
+ rc = qla2x00_get_port_database(vha, fcport, 0);
+ if (rc != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf048,
+ "qla_target(%d): Failed to retrieve fcport "
+ "information -- get_port_database() returned %x "
+ "(loop_id=0x%04x)", vha->vp_idx, rc, loop_id);
+ res = false;
+ goto out_free_fcport;
+ }
+
+ if (global_resets !=
+ atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf002,
+ "qla_target(%d): global reset during session discovery"
+ " (counter was %d, new %d), retrying",
+ vha->vp_idx, global_resets,
+ atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
+ goto retry;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
+ "Updating sess %p s_id %x:%x:%x, loop_id %d) to d_id %x:%x:%x, "
+ "loop_id %d", sess, sess->s_id.b.domain, sess->s_id.b.al_pa,
+ sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain,
+ fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id);
+
+ sess->s_id = fcport->d_id;
+ sess->loop_id = fcport->loop_id;
+ sess->conf_compl_supported = !!(fcport->flags &
+ FCF_CONF_COMP_SUPPORTED);
+
+ res = true;
+
+out_free_fcport:
+ kfree(fcport);
+
+out:
+ return res;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static void qlt_undelete_sess(struct qla_tgt_sess *sess)
+{
+ BUG_ON(!sess->deleted);
+
+ list_del(&sess->del_list_entry);
+ sess->deleted = 0;
+}
+
+static void qlt_del_sess_work_fn(struct delayed_work *work)
+{
+ struct qla_tgt *tgt = container_of(work, struct qla_tgt,
+ sess_del_work);
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess;
+ unsigned long flags;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ while (!list_empty(&tgt->del_sess_list)) {
+ sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
+ del_list_entry);
+ if (time_after_eq(jiffies, sess->expires)) {
+ bool cancel;
+
+ qlt_undelete_sess(sess);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ cancel = qlt_check_fcport_exist(vha, sess);
+
+ if (cancel) {
+ if (sess->deleted) {
+ /*
+ * sess was again deleted while we were
+ * discovering it
+ */
+ spin_lock_irqsave(&ha->hardware_lock,
+ flags);
+ continue;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf049,
+ "qla_target(%d): cancel deletion of "
+ "session for port %02x:%02x:%02x:%02x:%02x:"
+ "%02x:%02x:%02x (loop ID %d), because "
+ " it isn't deleted by firmware",
+ vha->vp_idx, sess->port_name[0],
+ sess->port_name[1], sess->port_name[2],
+ sess->port_name[3], sess->port_name[4],
+ sess->port_name[5], sess->port_name[6],
+ sess->port_name[7], sess->loop_id);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
+ "Timeout: sess %p about to be deleted\n",
+ sess);
+ ha->tgt.tgt_ops->shutdown_sess(sess);
+ ha->tgt.tgt_ops->put_sess(sess);
+ }
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ } else {
+ schedule_delayed_work(&tgt->sess_del_work,
+ jiffies - sess->expires);
+ break;
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+/*
+ * Adds an extra ref to allow to drop hw lock after adding sess to the list.
+ * Caller must put it.
+ */
+static struct qla_tgt_sess *qlt_create_sess(
+ struct scsi_qla_host *vha,
+ fc_port_t *fcport,
+ bool local)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess;
+ unsigned long flags;
+ unsigned char be_sid[3];
+
+ /* Check to avoid double sessions */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ list_for_each_entry(sess, &ha->tgt.qla_tgt->sess_list,
+ sess_list_entry) {
+ if (!memcmp(sess->port_name, fcport->port_name, WWN_SIZE)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf005,
+ "Double sess %p found (s_id %x:%x:%x, "
+ "loop_id %d), updating to d_id %x:%x:%x, "
+ "loop_id %d", sess, sess->s_id.b.domain,
+ sess->s_id.b.al_pa, sess->s_id.b.area,
+ sess->loop_id, fcport->d_id.b.domain,
+ fcport->d_id.b.al_pa, fcport->d_id.b.area,
+ fcport->loop_id);
+
+ if (sess->deleted)
+ qlt_undelete_sess(sess);
+
+ kref_get(&sess->se_sess->sess_kref);
+ sess->s_id = fcport->d_id;
+ sess->loop_id = fcport->loop_id;
+ sess->conf_compl_supported = !!(fcport->flags &
+ FCF_CONF_COMP_SUPPORTED);
+ if (sess->local && !local)
+ sess->local = 0;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return sess;
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ sess = kzalloc(sizeof(*sess), GFP_KERNEL);
+ if (!sess) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04a,
+ "qla_target(%u): session allocation failed, "
+ "all commands from port %02x:%02x:%02x:%02x:"
+ "%02x:%02x:%02x:%02x will be refused", vha->vp_idx,
+ fcport->port_name[0], fcport->port_name[1],
+ fcport->port_name[2], fcport->port_name[3],
+ fcport->port_name[4], fcport->port_name[5],
+ fcport->port_name[6], fcport->port_name[7]);
+
+ return NULL;
+ }
+ sess->tgt = ha->tgt.qla_tgt;
+ sess->vha = vha;
+ sess->s_id = fcport->d_id;
+ sess->loop_id = fcport->loop_id;
+ sess->local = local;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
+ "Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
+ sess, ha->tgt.qla_tgt);
+
+ be_sid[0] = sess->s_id.b.domain;
+ be_sid[1] = sess->s_id.b.area;
+ be_sid[2] = sess->s_id.b.al_pa;
+ /*
+ * Determine if this fc_port->port_name is allowed to access
+ * target mode using explict NodeACLs+MappedLUNs, or using
+ * TPG demo mode. If this is successful a target mode FC nexus
+ * is created.
+ */
+ if (ha->tgt.tgt_ops->check_initiator_node_acl(vha,
+ &fcport->port_name[0], sess, &be_sid[0], fcport->loop_id) < 0) {
+ kfree(sess);
+ return NULL;
+ }
+ /*
+ * Take an extra reference to ->sess_kref here to handle qla_tgt_sess
+ * access across ->hardware_lock reaquire.
+ */
+ kref_get(&sess->se_sess->sess_kref);
+
+ sess->conf_compl_supported = !!(fcport->flags &
+ FCF_CONF_COMP_SUPPORTED);
+ BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name));
+ memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ list_add_tail(&sess->sess_list_entry, &ha->tgt.qla_tgt->sess_list);
+ ha->tgt.qla_tgt->sess_count++;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
+ "qla_target(%d): %ssession for wwn %02x:%02x:%02x:%02x:"
+ "%02x:%02x:%02x:%02x (loop_id %d, s_id %x:%x:%x, confirmed"
+ " completion %ssupported) added\n",
+ vha->vp_idx, local ? "local " : "", fcport->port_name[0],
+ fcport->port_name[1], fcport->port_name[2], fcport->port_name[3],
+ fcport->port_name[4], fcport->port_name[5], fcport->port_name[6],
+ fcport->port_name[7], fcport->loop_id, sess->s_id.b.domain,
+ sess->s_id.b.area, sess->s_id.b.al_pa, sess->conf_compl_supported ?
+ "" : "not ");
+
+ return sess;
+}
+
+/*
+ * Called from drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port()
+ */
+void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_sess *sess;
+ unsigned long flags;
+
+ if (!vha->hw->tgt.tgt_ops)
+ return;
+
+ if (!tgt || (fcport->port_type != FCT_INITIATOR))
+ return;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (tgt->tgt_stop) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return;
+ }
+ sess = qlt_find_sess_by_port_name(tgt, fcport->port_name);
+ if (!sess) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ mutex_lock(&ha->tgt.tgt_mutex);
+ sess = qlt_create_sess(vha, fcport, false);
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ } else {
+ kref_get(&sess->se_sess->sess_kref);
+
+ if (sess->deleted) {
+ qlt_undelete_sess(sess);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04c,
+ "qla_target(%u): %ssession for port %02x:"
+ "%02x:%02x:%02x:%02x:%02x:%02x:%02x (loop ID %d) "
+ "reappeared\n", vha->vp_idx, sess->local ? "local "
+ : "", sess->port_name[0], sess->port_name[1],
+ sess->port_name[2], sess->port_name[3],
+ sess->port_name[4], sess->port_name[5],
+ sess->port_name[6], sess->port_name[7],
+ sess->loop_id);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007,
+ "Reappeared sess %p\n", sess);
+ }
+ sess->s_id = fcport->d_id;
+ sess->loop_id = fcport->loop_id;
+ sess->conf_compl_supported = !!(fcport->flags &
+ FCF_CONF_COMP_SUPPORTED);
+ }
+
+ if (sess && sess->local) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04d,
+ "qla_target(%u): local session for "
+ "port %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x "
+ "(loop ID %d) became global\n", vha->vp_idx,
+ fcport->port_name[0], fcport->port_name[1],
+ fcport->port_name[2], fcport->port_name[3],
+ fcport->port_name[4], fcport->port_name[5],
+ fcport->port_name[6], fcport->port_name[7],
+ sess->loop_id);
+ sess->local = 0;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ha->tgt.tgt_ops->put_sess(sess);
+}
+
+void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_sess *sess;
+ unsigned long flags;
+
+ if (!vha->hw->tgt.tgt_ops)
+ return;
+
+ if (!tgt || (fcport->port_type != FCT_INITIATOR))
+ return;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (tgt->tgt_stop) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return;
+ }
+ sess = qlt_find_sess_by_port_name(tgt, fcport->port_name);
+ if (!sess) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf008, "qla_tgt_fc_port_deleted %p", sess);
+
+ sess->local = 1;
+ qlt_schedule_sess_for_deletion(sess, false);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+static inline int test_tgt_sess_count(struct qla_tgt *tgt)
+{
+ struct qla_hw_data *ha = tgt->ha;
+ unsigned long flags;
+ int res;
+ /*
+ * We need to protect against race, when tgt is freed before or
+ * inside wake_up()
+ */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ ql_dbg(ql_dbg_tgt, tgt->vha, 0xe002,
+ "tgt %p, empty(sess_list)=%d sess_count=%d\n",
+ tgt, list_empty(&tgt->sess_list), tgt->sess_count);
+ res = (tgt->sess_count == 0);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return res;
+}
+
+/* Called by tcm_qla2xxx configfs code */
+void qlt_stop_phase1(struct qla_tgt *tgt)
+{
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_hw_data *ha = tgt->ha;
+ unsigned long flags;
+
+ if (tgt->tgt_stop || tgt->tgt_stopped) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04e,
+ "Already in tgt->tgt_stop or tgt_stopped state\n");
+ dump_stack();
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe003, "Stopping target for host %ld(%p)\n",
+ vha->host_no, vha);
+ /*
+ * Mutex needed to sync with qla_tgt_fc_port_[added,deleted].
+ * Lock is needed, because we still can get an incoming packet.
+ */
+ mutex_lock(&ha->tgt.tgt_mutex);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ tgt->tgt_stop = 1;
+ qlt_clear_tgt_db(tgt, true);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ flush_delayed_work_sync(&tgt->sess_del_work);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf009,
+ "Waiting for sess works (tgt %p)", tgt);
+ spin_lock_irqsave(&tgt->sess_work_lock, flags);
+ while (!list_empty(&tgt->sess_works_list)) {
+ spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
+ flush_scheduled_work();
+ spin_lock_irqsave(&tgt->sess_work_lock, flags);
+ }
+ spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00a,
+ "Waiting for tgt %p: list_empty(sess_list)=%d "
+ "sess_count=%d\n", tgt, list_empty(&tgt->sess_list),
+ tgt->sess_count);
+
+ wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
+
+ /* Big hammer */
+ if (!ha->flags.host_shutting_down && qla_tgt_mode_enabled(vha))
+ qlt_disable_vha(vha);
+
+ /* Wait for sessions to clear out (just in case) */
+ wait_event(tgt->waitQ, test_tgt_sess_count(tgt));
+}
+EXPORT_SYMBOL(qlt_stop_phase1);
+
+/* Called by tcm_qla2xxx configfs code */
+void qlt_stop_phase2(struct qla_tgt *tgt)
+{
+ struct qla_hw_data *ha = tgt->ha;
+ unsigned long flags;
+
+ if (tgt->tgt_stopped) {
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf04f,
+ "Already in tgt->tgt_stopped state\n");
+ dump_stack();
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00b,
+ "Waiting for %d IRQ commands to complete (tgt %p)",
+ tgt->irq_cmd_count, tgt);
+
+ mutex_lock(&ha->tgt.tgt_mutex);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ while (tgt->irq_cmd_count != 0) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ udelay(2);
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ }
+ tgt->tgt_stop = 0;
+ tgt->tgt_stopped = 1;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00c, "Stop of tgt %p finished",
+ tgt);
+}
+EXPORT_SYMBOL(qlt_stop_phase2);
+
+/* Called from qlt_remove_target() -> qla2x00_remove_one() */
+void qlt_release(struct qla_tgt *tgt)
+{
+ struct qla_hw_data *ha = tgt->ha;
+
+ if ((ha->tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
+ qlt_stop_phase2(tgt);
+
+ ha->tgt.qla_tgt = NULL;
+
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00d,
+ "Release of tgt %p finished\n", tgt);
+
+ kfree(tgt);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_sched_sess_work(struct qla_tgt *tgt, int type,
+ const void *param, unsigned int param_size)
+{
+ struct qla_tgt_sess_work_param *prm;
+ unsigned long flags;
+
+ prm = kzalloc(sizeof(*prm), GFP_ATOMIC);
+ if (!prm) {
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf050,
+ "qla_target(%d): Unable to create session "
+ "work, command will be refused", 0);
+ return -ENOMEM;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00e,
+ "Scheduling work (type %d, prm %p)"
+ " to find session for param %p (size %d, tgt %p)\n",
+ type, prm, param, param_size, tgt);
+
+ prm->type = type;
+ memcpy(&prm->tm_iocb, param, param_size);
+
+ spin_lock_irqsave(&tgt->sess_work_lock, flags);
+ list_add_tail(&prm->sess_works_list_entry, &tgt->sess_works_list);
+ spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
+
+ schedule_work(&tgt->sess_work);
+
+ return 0;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_send_notify_ack(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *ntfy,
+ uint32_t add_flags, uint16_t resp_code, int resp_code_valid,
+ uint16_t srr_flags, uint16_t srr_reject_code, uint8_t srr_explan)
+{
+ struct qla_hw_data *ha = vha->hw;
+ request_t *pkt;
+ struct nack_to_isp *nack;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe004, "Sending NOTIFY_ACK (ha=%p)\n", ha);
+
+ /* Send marker if required */
+ if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
+ return;
+
+ pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
+ if (!pkt) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe049,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet\n", vha->vp_idx, __func__);
+ return;
+ }
+
+ if (ha->tgt.qla_tgt != NULL)
+ ha->tgt.qla_tgt->notify_ack_expected++;
+
+ pkt->entry_type = NOTIFY_ACK_TYPE;
+ pkt->entry_count = 1;
+
+ nack = (struct nack_to_isp *)pkt;
+ nack->ox_id = ntfy->ox_id;
+
+ nack->u.isp24.nport_handle = ntfy->u.isp24.nport_handle;
+ if (le16_to_cpu(ntfy->u.isp24.status) == IMM_NTFY_ELS) {
+ nack->u.isp24.flags = ntfy->u.isp24.flags &
+ __constant_cpu_to_le32(NOTIFY24XX_FLAGS_PUREX_IOCB);
+ }
+ nack->u.isp24.srr_rx_id = ntfy->u.isp24.srr_rx_id;
+ nack->u.isp24.status = ntfy->u.isp24.status;
+ nack->u.isp24.status_subcode = ntfy->u.isp24.status_subcode;
+ nack->u.isp24.exchange_address = ntfy->u.isp24.exchange_address;
+ nack->u.isp24.srr_rel_offs = ntfy->u.isp24.srr_rel_offs;
+ nack->u.isp24.srr_ui = ntfy->u.isp24.srr_ui;
+ nack->u.isp24.srr_flags = cpu_to_le16(srr_flags);
+ nack->u.isp24.srr_reject_code = srr_reject_code;
+ nack->u.isp24.srr_reject_code_expl = srr_explan;
+ nack->u.isp24.vp_index = ntfy->u.isp24.vp_index;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe005,
+ "qla_target(%d): Sending 24xx Notify Ack %d\n",
+ vha->vp_idx, nack->u.isp24.status);
+
+ qla2x00_start_iocbs(vha, vha->req);
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_24xx_send_abts_resp(struct scsi_qla_host *vha,
+ struct abts_recv_from_24xx *abts, uint32_t status,
+ bool ids_reversed)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct abts_resp_to_24xx *resp;
+ uint32_t f_ctl;
+ uint8_t *p;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe006,
+ "Sending task mgmt ABTS response (ha=%p, atio=%p, status=%x\n",
+ ha, abts, status);
+
+ /* Send marker if required */
+ if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
+ return;
+
+ resp = (struct abts_resp_to_24xx *)qla2x00_alloc_iocbs(vha, NULL);
+ if (!resp) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe04a,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet", vha->vp_idx, __func__);
+ return;
+ }
+
+ resp->entry_type = ABTS_RESP_24XX;
+ resp->entry_count = 1;
+ resp->nport_handle = abts->nport_handle;
+ resp->vp_index = vha->vp_idx;
+ resp->sof_type = abts->sof_type;
+ resp->exchange_address = abts->exchange_address;
+ resp->fcp_hdr_le = abts->fcp_hdr_le;
+ f_ctl = __constant_cpu_to_le32(F_CTL_EXCH_CONTEXT_RESP |
+ F_CTL_LAST_SEQ | F_CTL_END_SEQ |
+ F_CTL_SEQ_INITIATIVE);
+ p = (uint8_t *)&f_ctl;
+ resp->fcp_hdr_le.f_ctl[0] = *p++;
+ resp->fcp_hdr_le.f_ctl[1] = *p++;
+ resp->fcp_hdr_le.f_ctl[2] = *p;
+ if (ids_reversed) {
+ resp->fcp_hdr_le.d_id[0] = abts->fcp_hdr_le.d_id[0];
+ resp->fcp_hdr_le.d_id[1] = abts->fcp_hdr_le.d_id[1];
+ resp->fcp_hdr_le.d_id[2] = abts->fcp_hdr_le.d_id[2];
+ resp->fcp_hdr_le.s_id[0] = abts->fcp_hdr_le.s_id[0];
+ resp->fcp_hdr_le.s_id[1] = abts->fcp_hdr_le.s_id[1];
+ resp->fcp_hdr_le.s_id[2] = abts->fcp_hdr_le.s_id[2];
+ } else {
+ resp->fcp_hdr_le.d_id[0] = abts->fcp_hdr_le.s_id[0];
+ resp->fcp_hdr_le.d_id[1] = abts->fcp_hdr_le.s_id[1];
+ resp->fcp_hdr_le.d_id[2] = abts->fcp_hdr_le.s_id[2];
+ resp->fcp_hdr_le.s_id[0] = abts->fcp_hdr_le.d_id[0];
+ resp->fcp_hdr_le.s_id[1] = abts->fcp_hdr_le.d_id[1];
+ resp->fcp_hdr_le.s_id[2] = abts->fcp_hdr_le.d_id[2];
+ }
+ resp->exchange_addr_to_abort = abts->exchange_addr_to_abort;
+ if (status == FCP_TMF_CMPL) {
+ resp->fcp_hdr_le.r_ctl = R_CTL_BASIC_LINK_SERV | R_CTL_B_ACC;
+ resp->payload.ba_acct.seq_id_valid = SEQ_ID_INVALID;
+ resp->payload.ba_acct.low_seq_cnt = 0x0000;
+ resp->payload.ba_acct.high_seq_cnt = 0xFFFF;
+ resp->payload.ba_acct.ox_id = abts->fcp_hdr_le.ox_id;
+ resp->payload.ba_acct.rx_id = abts->fcp_hdr_le.rx_id;
+ } else {
+ resp->fcp_hdr_le.r_ctl = R_CTL_BASIC_LINK_SERV | R_CTL_B_RJT;
+ resp->payload.ba_rjt.reason_code =
+ BA_RJT_REASON_CODE_UNABLE_TO_PERFORM;
+ /* Other bytes are zero */
+ }
+
+ ha->tgt.qla_tgt->abts_resp_expected++;
+
+ qla2x00_start_iocbs(vha, vha->req);
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_24xx_retry_term_exchange(struct scsi_qla_host *vha,
+ struct abts_resp_from_24xx_fw *entry)
+{
+ struct ctio7_to_24xx *ctio;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe007,
+ "Sending retry TERM EXCH CTIO7 (ha=%p)\n", vha->hw);
+ /* Send marker if required */
+ if (qlt_issue_marker(vha, 1) != QLA_SUCCESS)
+ return;
+
+ ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(vha, NULL);
+ if (ctio == NULL) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe04b,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet\n", vha->vp_idx, __func__);
+ return;
+ }
+
+ /*
+ * We've got on entrance firmware's response on by us generated
+ * ABTS response. So, in it ID fields are reversed.
+ */
+
+ ctio->entry_type = CTIO_TYPE7;
+ ctio->entry_count = 1;
+ ctio->nport_handle = entry->nport_handle;
+ ctio->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK;
+ ctio->timeout = __constant_cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio->vp_index = vha->vp_idx;
+ ctio->initiator_id[0] = entry->fcp_hdr_le.d_id[0];
+ ctio->initiator_id[1] = entry->fcp_hdr_le.d_id[1];
+ ctio->initiator_id[2] = entry->fcp_hdr_le.d_id[2];
+ ctio->exchange_addr = entry->exchange_addr_to_abort;
+ ctio->u.status1.flags =
+ __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
+ CTIO7_FLAGS_TERMINATE);
+ ctio->u.status1.ox_id = entry->fcp_hdr_le.ox_id;
+
+ qla2x00_start_iocbs(vha, vha->req);
+
+ qlt_24xx_send_abts_resp(vha, (struct abts_recv_from_24xx *)entry,
+ FCP_TMF_CMPL, true);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int __qlt_24xx_handle_abts(struct scsi_qla_host *vha,
+ struct abts_recv_from_24xx *abts, struct qla_tgt_sess *sess)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_mgmt_cmd *mcmd;
+ int rc;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00f,
+ "qla_target(%d): task abort (tag=%d)\n",
+ vha->vp_idx, abts->exchange_addr_to_abort);
+
+ mcmd = mempool_alloc(qla_tgt_mgmt_cmd_mempool, GFP_ATOMIC);
+ if (mcmd == NULL) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf051,
+ "qla_target(%d): %s: Allocation of ABORT cmd failed",
+ vha->vp_idx, __func__);
+ return -ENOMEM;
+ }
+ memset(mcmd, 0, sizeof(*mcmd));
+
+ mcmd->sess = sess;
+ memcpy(&mcmd->orig_iocb.abts, abts, sizeof(mcmd->orig_iocb.abts));
+
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, 0, TMR_ABORT_TASK,
+ abts->exchange_addr_to_abort);
+ if (rc != 0) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf052,
+ "qla_target(%d): tgt_ops->handle_tmr()"
+ " failed: %d", vha->vp_idx, rc);
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_24xx_handle_abts(struct scsi_qla_host *vha,
+ struct abts_recv_from_24xx *abts)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess;
+ uint32_t tag = abts->exchange_addr_to_abort;
+ uint8_t s_id[3];
+ int rc;
+
+ if (le32_to_cpu(abts->fcp_hdr_le.parameter) & ABTS_PARAM_ABORT_SEQ) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf053,
+ "qla_target(%d): ABTS: Abort Sequence not "
+ "supported\n", vha->vp_idx);
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ return;
+ }
+
+ if (tag == ATIO_EXCHANGE_ADDRESS_UNKNOWN) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf010,
+ "qla_target(%d): ABTS: Unknown Exchange "
+ "Address received\n", vha->vp_idx);
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf011,
+ "qla_target(%d): task abort (s_id=%x:%x:%x, "
+ "tag=%d, param=%x)\n", vha->vp_idx, abts->fcp_hdr_le.s_id[2],
+ abts->fcp_hdr_le.s_id[1], abts->fcp_hdr_le.s_id[0], tag,
+ le32_to_cpu(abts->fcp_hdr_le.parameter));
+
+ s_id[0] = abts->fcp_hdr_le.s_id[2];
+ s_id[1] = abts->fcp_hdr_le.s_id[1];
+ s_id[2] = abts->fcp_hdr_le.s_id[0];
+
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id);
+ if (!sess) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf012,
+ "qla_target(%d): task abort for non-existant session\n",
+ vha->vp_idx);
+ rc = qlt_sched_sess_work(ha->tgt.qla_tgt,
+ QLA_TGT_SESS_WORK_ABORT, abts, sizeof(*abts));
+ if (rc != 0) {
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED,
+ false);
+ }
+ return;
+ }
+
+ rc = __qlt_24xx_handle_abts(vha, abts, sess);
+ if (rc != 0) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf054,
+ "qla_target(%d): __qlt_24xx_handle_abts() failed: %d\n",
+ vha->vp_idx, rc);
+ qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED, false);
+ return;
+ }
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_24xx_send_task_mgmt_ctio(struct scsi_qla_host *ha,
+ struct qla_tgt_mgmt_cmd *mcmd, uint32_t resp_code)
+{
+ struct atio_from_isp *atio = &mcmd->orig_iocb.atio;
+ struct ctio7_to_24xx *ctio;
+
+ ql_dbg(ql_dbg_tgt, ha, 0xe008,
+ "Sending task mgmt CTIO7 (ha=%p, atio=%p, resp_code=%x\n",
+ ha, atio, resp_code);
+
+ /* Send marker if required */
+ if (qlt_issue_marker(ha, 1) != QLA_SUCCESS)
+ return;
+
+ ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(ha, NULL);
+ if (ctio == NULL) {
+ ql_dbg(ql_dbg_tgt, ha, 0xe04c,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet\n", ha->vp_idx, __func__);
+ return;
+ }
+
+ ctio->entry_type = CTIO_TYPE7;
+ ctio->entry_count = 1;
+ ctio->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK;
+ ctio->nport_handle = mcmd->sess->loop_id;
+ ctio->timeout = __constant_cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio->vp_index = ha->vp_idx;
+ ctio->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ ctio->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ ctio->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ ctio->exchange_addr = atio->u.isp24.exchange_addr;
+ ctio->u.status1.flags = (atio->u.isp24.attr << 9) |
+ __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
+ CTIO7_FLAGS_SEND_STATUS);
+ ctio->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+ ctio->u.status1.scsi_status =
+ __constant_cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID);
+ ctio->u.status1.response_len = __constant_cpu_to_le16(8);
+ ((uint32_t *)ctio->u.status1.sense_data)[0] = cpu_to_be32(resp_code);
+
+ qla2x00_start_iocbs(ha, ha->req);
+}
+
+void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd)
+{
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+}
+EXPORT_SYMBOL(qlt_free_mcmd);
+
+/* callback from target fabric module code */
+void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd)
+{
+ struct scsi_qla_host *vha = mcmd->sess->vha;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf013,
+ "TM response mcmd (%p) status %#x state %#x",
+ mcmd, mcmd->fc_tm_rsp, mcmd->flags);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (mcmd->flags == QLA24XX_MGMT_SEND_NACK)
+ qlt_send_notify_ack(vha, &mcmd->orig_iocb.imm_ntfy,
+ 0, 0, 0, 0, 0, 0);
+ else {
+ if (mcmd->se_cmd.se_tmr_req->function == TMR_ABORT_TASK)
+ qlt_24xx_send_abts_resp(vha, &mcmd->orig_iocb.abts,
+ mcmd->fc_tm_rsp, false);
+ else
+ qlt_24xx_send_task_mgmt_ctio(vha, mcmd,
+ mcmd->fc_tm_rsp);
+ }
+ /*
+ * Make the callback for ->free_mcmd() to queue_work() and invoke
+ * target_put_sess_cmd() to drop cmd_kref to 1. The final
+ * target_put_sess_cmd() call will be made from TFO->check_stop_free()
+ * -> tcm_qla2xxx_check_stop_free() to release the TMR associated se_cmd
+ * descriptor after TFO->queue_tm_rsp() -> tcm_qla2xxx_queue_tm_rsp() ->
+ * qlt_xmit_tm_rsp() returns here..
+ */
+ ha->tgt.tgt_ops->free_mcmd(mcmd);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+EXPORT_SYMBOL(qlt_xmit_tm_rsp);
+
+/* No locks */
+static int qlt_pci_map_calc_cnt(struct qla_tgt_prm *prm)
+{
+ struct qla_tgt_cmd *cmd = prm->cmd;
+
+ BUG_ON(cmd->sg_cnt == 0);
+
+ prm->sg = (struct scatterlist *)cmd->sg;
+ prm->seg_cnt = pci_map_sg(prm->tgt->ha->pdev, cmd->sg,
+ cmd->sg_cnt, cmd->dma_data_direction);
+ if (unlikely(prm->seg_cnt == 0))
+ goto out_err;
+
+ prm->cmd->sg_mapped = 1;
+
+ /*
+ * If greater than four sg entries then we need to allocate
+ * the continuation entries
+ */
+ if (prm->seg_cnt > prm->tgt->datasegs_per_cmd)
+ prm->req_cnt += DIV_ROUND_UP(prm->seg_cnt -
+ prm->tgt->datasegs_per_cmd, prm->tgt->datasegs_per_cont);
+
+ ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe009, "seg_cnt=%d, req_cnt=%d\n",
+ prm->seg_cnt, prm->req_cnt);
+ return 0;
+
+out_err:
+ ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe04d,
+ "qla_target(%d): PCI mapping failed: sg_cnt=%d",
+ 0, prm->cmd->sg_cnt);
+ return -1;
+}
+
+static inline void qlt_unmap_sg(struct scsi_qla_host *vha,
+ struct qla_tgt_cmd *cmd)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ BUG_ON(!cmd->sg_mapped);
+ pci_unmap_sg(ha->pdev, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
+ cmd->sg_mapped = 0;
+}
+
+static int qlt_check_reserve_free_req(struct scsi_qla_host *vha,
+ uint32_t req_cnt)
+{
+ struct qla_hw_data *ha = vha->hw;
+ device_reg_t __iomem *reg = ha->iobase;
+ uint32_t cnt;
+
+ if (vha->req->cnt < (req_cnt + 2)) {
+ cnt = (uint16_t)RD_REG_DWORD(&reg->isp24.req_q_out);
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe00a,
+ "Request ring circled: cnt=%d, vha->->ring_index=%d, "
+ "vha->req->cnt=%d, req_cnt=%d\n", cnt,
+ vha->req->ring_index, vha->req->cnt, req_cnt);
+ if (vha->req->ring_index < cnt)
+ vha->req->cnt = cnt - vha->req->ring_index;
+ else
+ vha->req->cnt = vha->req->length -
+ (vha->req->ring_index - cnt);
+ }
+
+ if (unlikely(vha->req->cnt < (req_cnt + 2))) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe00b,
+ "qla_target(%d): There is no room in the "
+ "request ring: vha->req->ring_index=%d, vha->req->cnt=%d, "
+ "req_cnt=%d\n", vha->vp_idx, vha->req->ring_index,
+ vha->req->cnt, req_cnt);
+ return -EAGAIN;
+ }
+ vha->req->cnt -= req_cnt;
+
+ return 0;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static inline void *qlt_get_req_pkt(struct scsi_qla_host *vha)
+{
+ /* Adjust ring index. */
+ vha->req->ring_index++;
+ if (vha->req->ring_index == vha->req->length) {
+ vha->req->ring_index = 0;
+ vha->req->ring_ptr = vha->req->ring;
+ } else {
+ vha->req->ring_ptr++;
+ }
+ return (cont_entry_t *)vha->req->ring_ptr;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static inline uint32_t qlt_make_handle(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t h;
+
+ h = ha->tgt.current_handle;
+ /* always increment cmd handle */
+ do {
+ ++h;
+ if (h > MAX_OUTSTANDING_COMMANDS)
+ h = 1; /* 0 is QLA_TGT_NULL_HANDLE */
+ if (h == ha->tgt.current_handle) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe04e,
+ "qla_target(%d): Ran out of "
+ "empty cmd slots in ha %p\n", vha->vp_idx, ha);
+ h = QLA_TGT_NULL_HANDLE;
+ break;
+ }
+ } while ((h == QLA_TGT_NULL_HANDLE) ||
+ (h == QLA_TGT_SKIP_HANDLE) ||
+ (ha->tgt.cmds[h-1] != NULL));
+
+ if (h != QLA_TGT_NULL_HANDLE)
+ ha->tgt.current_handle = h;
+
+ return h;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm,
+ struct scsi_qla_host *vha)
+{
+ uint32_t h;
+ struct ctio7_to_24xx *pkt;
+ struct qla_hw_data *ha = vha->hw;
+ struct atio_from_isp *atio = &prm->cmd->atio;
+
+ pkt = (struct ctio7_to_24xx *)vha->req->ring_ptr;
+ prm->pkt = pkt;
+ memset(pkt, 0, sizeof(*pkt));
+
+ pkt->entry_type = CTIO_TYPE7;
+ pkt->entry_count = (uint8_t)prm->req_cnt;
+ pkt->vp_index = vha->vp_idx;
+
+ h = qlt_make_handle(vha);
+ if (unlikely(h == QLA_TGT_NULL_HANDLE)) {
+ /*
+ * CTIO type 7 from the firmware doesn't provide a way to
+ * know the initiator's LOOP ID, hence we can't find
+ * the session and, so, the command.
+ */
+ return -EAGAIN;
+ } else
+ ha->tgt.cmds[h-1] = prm->cmd;
+
+ pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK;
+ pkt->nport_handle = prm->cmd->loop_id;
+ pkt->timeout = __constant_cpu_to_le16(QLA_TGT_TIMEOUT);
+ pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ pkt->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ pkt->exchange_addr = atio->u.isp24.exchange_addr;
+ pkt->u.status0.flags |= (atio->u.isp24.attr << 9);
+ pkt->u.status0.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+ pkt->u.status0.relative_offset = cpu_to_le32(prm->cmd->offset);
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe00c,
+ "qla_target(%d): handle(cmd) -> %08x, timeout %d, ox_id %#x\n",
+ vha->vp_idx, pkt->handle, QLA_TGT_TIMEOUT,
+ le16_to_cpu(pkt->u.status0.ox_id));
+ return 0;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. We have already made sure
+ * that there is sufficient amount of request entries to not drop it.
+ */
+static void qlt_load_cont_data_segments(struct qla_tgt_prm *prm,
+ struct scsi_qla_host *vha)
+{
+ int cnt;
+ uint32_t *dword_ptr;
+ int enable_64bit_addressing = prm->tgt->tgt_enable_64bit_addr;
+
+ /* Build continuation packets */
+ while (prm->seg_cnt > 0) {
+ cont_a64_entry_t *cont_pkt64 =
+ (cont_a64_entry_t *)qlt_get_req_pkt(vha);
+
+ /*
+ * Make sure that from cont_pkt64 none of
+ * 64-bit specific fields used for 32-bit
+ * addressing. Cast to (cont_entry_t *) for
+ * that.
+ */
+
+ memset(cont_pkt64, 0, sizeof(*cont_pkt64));
+
+ cont_pkt64->entry_count = 1;
+ cont_pkt64->sys_define = 0;
+
+ if (enable_64bit_addressing) {
+ cont_pkt64->entry_type = CONTINUE_A64_TYPE;
+ dword_ptr =
+ (uint32_t *)&cont_pkt64->dseg_0_address;
+ } else {
+ cont_pkt64->entry_type = CONTINUE_TYPE;
+ dword_ptr =
+ (uint32_t *)&((cont_entry_t *)
+ cont_pkt64)->dseg_0_address;
+ }
+
+ /* Load continuation entry data segments */
+ for (cnt = 0;
+ cnt < prm->tgt->datasegs_per_cont && prm->seg_cnt;
+ cnt++, prm->seg_cnt--) {
+ *dword_ptr++ =
+ cpu_to_le32(pci_dma_lo32
+ (sg_dma_address(prm->sg)));
+ if (enable_64bit_addressing) {
+ *dword_ptr++ =
+ cpu_to_le32(pci_dma_hi32
+ (sg_dma_address
+ (prm->sg)));
+ }
+ *dword_ptr++ = cpu_to_le32(sg_dma_len(prm->sg));
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe00d,
+ "S/G Segment Cont. phys_addr=%llx:%llx, len=%d\n",
+ (long long unsigned int)
+ pci_dma_hi32(sg_dma_address(prm->sg)),
+ (long long unsigned int)
+ pci_dma_lo32(sg_dma_address(prm->sg)),
+ (int)sg_dma_len(prm->sg));
+
+ prm->sg = sg_next(prm->sg);
+ }
+ }
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. We have already made sure
+ * that there is sufficient amount of request entries to not drop it.
+ */
+static void qlt_load_data_segments(struct qla_tgt_prm *prm,
+ struct scsi_qla_host *vha)
+{
+ int cnt;
+ uint32_t *dword_ptr;
+ int enable_64bit_addressing = prm->tgt->tgt_enable_64bit_addr;
+ struct ctio7_to_24xx *pkt24 = (struct ctio7_to_24xx *)prm->pkt;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe00e,
+ "iocb->scsi_status=%x, iocb->flags=%x\n",
+ le16_to_cpu(pkt24->u.status0.scsi_status),
+ le16_to_cpu(pkt24->u.status0.flags));
+
+ pkt24->u.status0.transfer_length = cpu_to_le32(prm->cmd->bufflen);
+
+ /* Setup packet address segment pointer */
+ dword_ptr = pkt24->u.status0.dseg_0_address;
+
+ /* Set total data segment count */
+ if (prm->seg_cnt)
+ pkt24->dseg_count = cpu_to_le16(prm->seg_cnt);
+
+ if (prm->seg_cnt == 0) {
+ /* No data transfer */
+ *dword_ptr++ = 0;
+ *dword_ptr = 0;
+ return;
+ }
+
+ /* If scatter gather */
+ ql_dbg(ql_dbg_tgt, vha, 0xe00f, "%s", "Building S/G data segments...");
+
+ /* Load command entry data segments */
+ for (cnt = 0;
+ (cnt < prm->tgt->datasegs_per_cmd) && prm->seg_cnt;
+ cnt++, prm->seg_cnt--) {
+ *dword_ptr++ =
+ cpu_to_le32(pci_dma_lo32(sg_dma_address(prm->sg)));
+ if (enable_64bit_addressing) {
+ *dword_ptr++ =
+ cpu_to_le32(pci_dma_hi32(
+ sg_dma_address(prm->sg)));
+ }
+ *dword_ptr++ = cpu_to_le32(sg_dma_len(prm->sg));
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe010,
+ "S/G Segment phys_addr=%llx:%llx, len=%d\n",
+ (long long unsigned int)pci_dma_hi32(sg_dma_address(
+ prm->sg)),
+ (long long unsigned int)pci_dma_lo32(sg_dma_address(
+ prm->sg)),
+ (int)sg_dma_len(prm->sg));
+
+ prm->sg = sg_next(prm->sg);
+ }
+
+ qlt_load_cont_data_segments(prm, vha);
+}
+
+static inline int qlt_has_data(struct qla_tgt_cmd *cmd)
+{
+ return cmd->bufflen > 0;
+}
+
+/*
+ * Called without ha->hardware_lock held
+ */
+static int qlt_pre_xmit_response(struct qla_tgt_cmd *cmd,
+ struct qla_tgt_prm *prm, int xmit_type, uint8_t scsi_status,
+ uint32_t *full_req_cnt)
+{
+ struct qla_tgt *tgt = cmd->tgt;
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+
+ if (unlikely(cmd->aborted)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf014,
+ "qla_target(%d): terminating exchange "
+ "for aborted cmd=%p (se_cmd=%p, tag=%d)", vha->vp_idx, cmd,
+ se_cmd, cmd->tag);
+
+ cmd->state = QLA_TGT_STATE_ABORTED;
+
+ qlt_send_term_exchange(vha, cmd, &cmd->atio, 0);
+
+ /* !! At this point cmd could be already freed !! */
+ return QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED;
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe011, "qla_target(%d): tag=%u\n",
+ vha->vp_idx, cmd->tag);
+
+ prm->cmd = cmd;
+ prm->tgt = tgt;
+ prm->rq_result = scsi_status;
+ prm->sense_buffer = &cmd->sense_buffer[0];
+ prm->sense_buffer_len = TRANSPORT_SENSE_BUFFER;
+ prm->sg = NULL;
+ prm->seg_cnt = -1;
+ prm->req_cnt = 1;
+ prm->add_status_pkt = 0;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe012, "rq_result=%x, xmit_type=%x\n",
+ prm->rq_result, xmit_type);
+
+ /* Send marker if required */
+ if (qlt_issue_marker(vha, 0) != QLA_SUCCESS)
+ return -EFAULT;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe013, "CTIO start: vha(%d)\n", vha->vp_idx);
+
+ if ((xmit_type & QLA_TGT_XMIT_DATA) && qlt_has_data(cmd)) {
+ if (qlt_pci_map_calc_cnt(prm) != 0)
+ return -EAGAIN;
+ }
+
+ *full_req_cnt = prm->req_cnt;
+
+ if (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT) {
+ prm->residual = se_cmd->residual_count;
+ ql_dbg(ql_dbg_tgt, vha, 0xe014,
+ "Residual underflow: %d (tag %d, "
+ "op %x, bufflen %d, rq_result %x)\n", prm->residual,
+ cmd->tag, se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
+ cmd->bufflen, prm->rq_result);
+ prm->rq_result |= SS_RESIDUAL_UNDER;
+ } else if (se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) {
+ prm->residual = se_cmd->residual_count;
+ ql_dbg(ql_dbg_tgt, vha, 0xe015,
+ "Residual overflow: %d (tag %d, "
+ "op %x, bufflen %d, rq_result %x)\n", prm->residual,
+ cmd->tag, se_cmd->t_task_cdb ? se_cmd->t_task_cdb[0] : 0,
+ cmd->bufflen, prm->rq_result);
+ prm->rq_result |= SS_RESIDUAL_OVER;
+ }
+
+ if (xmit_type & QLA_TGT_XMIT_STATUS) {
+ /*
+ * If QLA_TGT_XMIT_DATA is not set, add_status_pkt will be
+ * ignored in *xmit_response() below
+ */
+ if (qlt_has_data(cmd)) {
+ if (QLA_TGT_SENSE_VALID(prm->sense_buffer) ||
+ (IS_FWI2_CAPABLE(ha) &&
+ (prm->rq_result != 0))) {
+ prm->add_status_pkt = 1;
+ (*full_req_cnt)++;
+ }
+ }
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe016,
+ "req_cnt=%d, full_req_cnt=%d, add_status_pkt=%d\n",
+ prm->req_cnt, *full_req_cnt, prm->add_status_pkt);
+
+ return 0;
+}
+
+static inline int qlt_need_explicit_conf(struct qla_hw_data *ha,
+ struct qla_tgt_cmd *cmd, int sending_sense)
+{
+ if (ha->tgt.enable_class_2)
+ return 0;
+
+ if (sending_sense)
+ return cmd->conf_compl_supported;
+ else
+ return ha->tgt.enable_explicit_conf &&
+ cmd->conf_compl_supported;
+}
+
+#ifdef CONFIG_QLA_TGT_DEBUG_SRR
+/*
+ * Original taken from the XFS code
+ */
+static unsigned long qlt_srr_random(void)
+{
+ static int Inited;
+ static unsigned long RandomValue;
+ static DEFINE_SPINLOCK(lock);
+ /* cycles pseudo-randomly through all values between 1 and 2^31 - 2 */
+ register long rv;
+ register long lo;
+ register long hi;
+ unsigned long flags;
+
+ spin_lock_irqsave(&lock, flags);
+ if (!Inited) {
+ RandomValue = jiffies;
+ Inited = 1;
+ }
+ rv = RandomValue;
+ hi = rv / 127773;
+ lo = rv % 127773;
+ rv = 16807 * lo - 2836 * hi;
+ if (rv <= 0)
+ rv += 2147483647;
+ RandomValue = rv;
+ spin_unlock_irqrestore(&lock, flags);
+ return rv;
+}
+
+static void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
+{
+#if 0 /* This is not a real status packets lost, so it won't lead to SRR */
+ if ((*xmit_type & QLA_TGT_XMIT_STATUS) && (qlt_srr_random() % 200)
+ == 50) {
+ *xmit_type &= ~QLA_TGT_XMIT_STATUS;
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf015,
+ "Dropping cmd %p (tag %d) status", cmd, cmd->tag);
+ }
+#endif
+ /*
+ * It's currently not possible to simulate SRRs for FCP_WRITE without
+ * a physical link layer failure, so don't even try here..
+ */
+ if (cmd->dma_data_direction != DMA_FROM_DEVICE)
+ return;
+
+ if (qlt_has_data(cmd) && (cmd->sg_cnt > 1) &&
+ ((qlt_srr_random() % 100) == 20)) {
+ int i, leave = 0;
+ unsigned int tot_len = 0;
+
+ while (leave == 0)
+ leave = qlt_srr_random() % cmd->sg_cnt;
+
+ for (i = 0; i < leave; i++)
+ tot_len += cmd->sg[i].length;
+
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf016,
+ "Cutting cmd %p (tag %d) buffer"
+ " tail to len %d, sg_cnt %d (cmd->bufflen %d,"
+ " cmd->sg_cnt %d)", cmd, cmd->tag, tot_len, leave,
+ cmd->bufflen, cmd->sg_cnt);
+
+ cmd->bufflen = tot_len;
+ cmd->sg_cnt = leave;
+ }
+
+ if (qlt_has_data(cmd) && ((qlt_srr_random() % 100) == 70)) {
+ unsigned int offset = qlt_srr_random() % cmd->bufflen;
+
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf017,
+ "Cutting cmd %p (tag %d) buffer head "
+ "to offset %d (cmd->bufflen %d)", cmd, cmd->tag, offset,
+ cmd->bufflen);
+ if (offset == 0)
+ *xmit_type &= ~QLA_TGT_XMIT_DATA;
+ else if (qlt_set_data_offset(cmd, offset)) {
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf018,
+ "qlt_set_data_offset() failed (tag %d)", cmd->tag);
+ }
+ }
+}
+#else
+static inline void qlt_check_srr_debug(struct qla_tgt_cmd *cmd, int *xmit_type)
+{}
+#endif
+
+static void qlt_24xx_init_ctio_to_isp(struct ctio7_to_24xx *ctio,
+ struct qla_tgt_prm *prm)
+{
+ prm->sense_buffer_len = min_t(uint32_t, prm->sense_buffer_len,
+ (uint32_t)sizeof(ctio->u.status1.sense_data));
+ ctio->u.status0.flags |=
+ __constant_cpu_to_le16(CTIO7_FLAGS_SEND_STATUS);
+ if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 0)) {
+ ctio->u.status0.flags |= __constant_cpu_to_le16(
+ CTIO7_FLAGS_EXPLICIT_CONFORM |
+ CTIO7_FLAGS_CONFORM_REQ);
+ }
+ ctio->u.status0.residual = cpu_to_le32(prm->residual);
+ ctio->u.status0.scsi_status = cpu_to_le16(prm->rq_result);
+ if (QLA_TGT_SENSE_VALID(prm->sense_buffer)) {
+ int i;
+
+ if (qlt_need_explicit_conf(prm->tgt->ha, prm->cmd, 1)) {
+ if (prm->cmd->se_cmd.scsi_status != 0) {
+ ql_dbg(ql_dbg_tgt, prm->cmd->vha, 0xe017,
+ "Skipping EXPLICIT_CONFORM and "
+ "CTIO7_FLAGS_CONFORM_REQ for FCP READ w/ "
+ "non GOOD status\n");
+ goto skip_explict_conf;
+ }
+ ctio->u.status1.flags |= __constant_cpu_to_le16(
+ CTIO7_FLAGS_EXPLICIT_CONFORM |
+ CTIO7_FLAGS_CONFORM_REQ);
+ }
+skip_explict_conf:
+ ctio->u.status1.flags &=
+ ~__constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_0);
+ ctio->u.status1.flags |=
+ __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1);
+ ctio->u.status1.scsi_status |=
+ __constant_cpu_to_le16(SS_SENSE_LEN_VALID);
+ ctio->u.status1.sense_length =
+ cpu_to_le16(prm->sense_buffer_len);
+ for (i = 0; i < prm->sense_buffer_len/4; i++)
+ ((uint32_t *)ctio->u.status1.sense_data)[i] =
+ cpu_to_be32(((uint32_t *)prm->sense_buffer)[i]);
+#if 0
+ if (unlikely((prm->sense_buffer_len % 4) != 0)) {
+ static int q;
+ if (q < 10) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe04f,
+ "qla_target(%d): %d bytes of sense "
+ "lost", prm->tgt->ha->vp_idx,
+ prm->sense_buffer_len % 4);
+ q++;
+ }
+ }
+#endif
+ } else {
+ ctio->u.status1.flags &=
+ ~__constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_0);
+ ctio->u.status1.flags |=
+ __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1);
+ ctio->u.status1.sense_length = 0;
+ memset(ctio->u.status1.sense_data, 0,
+ sizeof(ctio->u.status1.sense_data));
+ }
+
+ /* Sense with len > 24, is it possible ??? */
+}
+
+/*
+ * Callback to setup response of xmit_type of QLA_TGT_XMIT_DATA and *
+ * QLA_TGT_XMIT_STATUS for >= 24xx silicon
+ */
+int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type,
+ uint8_t scsi_status)
+{
+ struct scsi_qla_host *vha = cmd->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct ctio7_to_24xx *pkt;
+ struct qla_tgt_prm prm;
+ uint32_t full_req_cnt = 0;
+ unsigned long flags = 0;
+ int res;
+
+ memset(&prm, 0, sizeof(prm));
+ qlt_check_srr_debug(cmd, &xmit_type);
+
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe018,
+ "is_send_status=%d, cmd->bufflen=%d, cmd->sg_cnt=%d, "
+ "cmd->dma_data_direction=%d\n", (xmit_type & QLA_TGT_XMIT_STATUS) ?
+ 1 : 0, cmd->bufflen, cmd->sg_cnt, cmd->dma_data_direction);
+
+ res = qlt_pre_xmit_response(cmd, &prm, xmit_type, scsi_status,
+ &full_req_cnt);
+ if (unlikely(res != 0)) {
+ if (res == QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED)
+ return 0;
+
+ return res;
+ }
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Does F/W have an IOCBs for this request */
+ res = qlt_check_reserve_free_req(vha, full_req_cnt);
+ if (unlikely(res))
+ goto out_unmap_unlock;
+
+ res = qlt_24xx_build_ctio_pkt(&prm, vha);
+ if (unlikely(res != 0))
+ goto out_unmap_unlock;
+
+
+ pkt = (struct ctio7_to_24xx *)prm.pkt;
+
+ if (qlt_has_data(cmd) && (xmit_type & QLA_TGT_XMIT_DATA)) {
+ pkt->u.status0.flags |=
+ __constant_cpu_to_le16(CTIO7_FLAGS_DATA_IN |
+ CTIO7_FLAGS_STATUS_MODE_0);
+
+ qlt_load_data_segments(&prm, vha);
+
+ if (prm.add_status_pkt == 0) {
+ if (xmit_type & QLA_TGT_XMIT_STATUS) {
+ pkt->u.status0.scsi_status =
+ cpu_to_le16(prm.rq_result);
+ pkt->u.status0.residual =
+ cpu_to_le32(prm.residual);
+ pkt->u.status0.flags |= __constant_cpu_to_le16(
+ CTIO7_FLAGS_SEND_STATUS);
+ if (qlt_need_explicit_conf(ha, cmd, 0)) {
+ pkt->u.status0.flags |=
+ __constant_cpu_to_le16(
+ CTIO7_FLAGS_EXPLICIT_CONFORM |
+ CTIO7_FLAGS_CONFORM_REQ);
+ }
+ }
+
+ } else {
+ /*
+ * We have already made sure that there is sufficient
+ * amount of request entries to not drop HW lock in
+ * req_pkt().
+ */
+ struct ctio7_to_24xx *ctio =
+ (struct ctio7_to_24xx *)qlt_get_req_pkt(vha);
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe019,
+ "Building additional status packet\n");
+
+ memcpy(ctio, pkt, sizeof(*ctio));
+ ctio->entry_count = 1;
+ ctio->dseg_count = 0;
+ ctio->u.status1.flags &= ~__constant_cpu_to_le16(
+ CTIO7_FLAGS_DATA_IN);
+
+ /* Real finish is ctio_m1's finish */
+ pkt->handle |= CTIO_INTERMEDIATE_HANDLE_MARK;
+ pkt->u.status0.flags |= __constant_cpu_to_le16(
+ CTIO7_FLAGS_DONT_RET_CTIO);
+ qlt_24xx_init_ctio_to_isp((struct ctio7_to_24xx *)ctio,
+ &prm);
+ pr_debug("Status CTIO7: %p\n", ctio);
+ }
+ } else
+ qlt_24xx_init_ctio_to_isp(pkt, &prm);
+
+
+ cmd->state = QLA_TGT_STATE_PROCESSED; /* Mid-level is done processing */
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe01a,
+ "Xmitting CTIO7 response pkt for 24xx: %p scsi_status: 0x%02x\n",
+ pkt, scsi_status);
+
+ qla2x00_start_iocbs(vha, vha->req);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return 0;
+
+out_unmap_unlock:
+ if (cmd->sg_mapped)
+ qlt_unmap_sg(vha, cmd);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return res;
+}
+EXPORT_SYMBOL(qlt_xmit_response);
+
+int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd)
+{
+ struct ctio7_to_24xx *pkt;
+ struct scsi_qla_host *vha = cmd->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = cmd->tgt;
+ struct qla_tgt_prm prm;
+ unsigned long flags;
+ int res = 0;
+
+ memset(&prm, 0, sizeof(prm));
+ prm.cmd = cmd;
+ prm.tgt = tgt;
+ prm.sg = NULL;
+ prm.req_cnt = 1;
+
+ /* Send marker if required */
+ if (qlt_issue_marker(vha, 0) != QLA_SUCCESS)
+ return -EIO;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe01b, "CTIO_start: vha(%d)",
+ (int)vha->vp_idx);
+
+ /* Calculate number of entries and segments required */
+ if (qlt_pci_map_calc_cnt(&prm) != 0)
+ return -EAGAIN;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Does F/W have an IOCBs for this request */
+ res = qlt_check_reserve_free_req(vha, prm.req_cnt);
+ if (res != 0)
+ goto out_unlock_free_unmap;
+
+ res = qlt_24xx_build_ctio_pkt(&prm, vha);
+ if (unlikely(res != 0))
+ goto out_unlock_free_unmap;
+ pkt = (struct ctio7_to_24xx *)prm.pkt;
+ pkt->u.status0.flags |= __constant_cpu_to_le16(CTIO7_FLAGS_DATA_OUT |
+ CTIO7_FLAGS_STATUS_MODE_0);
+ qlt_load_data_segments(&prm, vha);
+
+ cmd->state = QLA_TGT_STATE_NEED_DATA;
+
+ qla2x00_start_iocbs(vha, vha->req);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return res;
+
+out_unlock_free_unmap:
+ if (cmd->sg_mapped)
+ qlt_unmap_sg(vha, cmd);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return res;
+}
+EXPORT_SYMBOL(qlt_rdy_to_xfer);
+
+/* If hardware_lock held on entry, might drop it, then reaquire */
+/* This function sends the appropriate CTIO to ISP 2xxx or 24xx */
+static int __qlt_send_term_exchange(struct scsi_qla_host *vha,
+ struct qla_tgt_cmd *cmd,
+ struct atio_from_isp *atio)
+{
+ struct ctio7_to_24xx *ctio24;
+ struct qla_hw_data *ha = vha->hw;
+ request_t *pkt;
+ int ret = 0;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe01c, "Sending TERM EXCH CTIO (ha=%p)\n", ha);
+
+ pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
+ if (pkt == NULL) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe050,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet\n", vha->vp_idx, __func__);
+ return -ENOMEM;
+ }
+
+ if (cmd != NULL) {
+ if (cmd->state < QLA_TGT_STATE_PROCESSED) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe051,
+ "qla_target(%d): Terminating cmd %p with "
+ "incorrect state %d\n", vha->vp_idx, cmd,
+ cmd->state);
+ } else
+ ret = 1;
+ }
+
+ pkt->entry_count = 1;
+ pkt->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK;
+
+ ctio24 = (struct ctio7_to_24xx *)pkt;
+ ctio24->entry_type = CTIO_TYPE7;
+ ctio24->nport_handle = cmd ? cmd->loop_id : CTIO7_NHANDLE_UNRECOGNIZED;
+ ctio24->timeout = __constant_cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio24->vp_index = vha->vp_idx;
+ ctio24->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ ctio24->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ ctio24->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ ctio24->exchange_addr = atio->u.isp24.exchange_addr;
+ ctio24->u.status1.flags = (atio->u.isp24.attr << 9) |
+ __constant_cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 |
+ CTIO7_FLAGS_TERMINATE);
+ ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+
+ /* Most likely, it isn't needed */
+ ctio24->u.status1.residual = get_unaligned((uint32_t *)
+ &atio->u.isp24.fcp_cmnd.add_cdb[
+ atio->u.isp24.fcp_cmnd.add_cdb_len]);
+ if (ctio24->u.status1.residual != 0)
+ ctio24->u.status1.scsi_status |= SS_RESIDUAL_UNDER;
+
+ qla2x00_start_iocbs(vha, vha->req);
+ return ret;
+}
+
+static void qlt_send_term_exchange(struct scsi_qla_host *vha,
+ struct qla_tgt_cmd *cmd, struct atio_from_isp *atio, int ha_locked)
+{
+ unsigned long flags;
+ int rc;
+
+ if (qlt_issue_marker(vha, ha_locked) < 0)
+ return;
+
+ if (ha_locked) {
+ rc = __qlt_send_term_exchange(vha, cmd, atio);
+ goto done;
+ }
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ rc = __qlt_send_term_exchange(vha, cmd, atio);
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+done:
+ if (rc == 1) {
+ if (!ha_locked && !in_interrupt())
+ msleep(250); /* just in case */
+
+ vha->hw->tgt.tgt_ops->free_cmd(cmd);
+ }
+}
+
+void qlt_free_cmd(struct qla_tgt_cmd *cmd)
+{
+ BUG_ON(cmd->sg_mapped);
+
+ if (unlikely(cmd->free_sg))
+ kfree(cmd->sg);
+ kmem_cache_free(qla_tgt_cmd_cachep, cmd);
+}
+EXPORT_SYMBOL(qlt_free_cmd);
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_prepare_srr_ctio(struct scsi_qla_host *vha,
+ struct qla_tgt_cmd *cmd, void *ctio)
+{
+ struct qla_tgt_srr_ctio *sc;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_srr_imm *imm;
+
+ tgt->ctio_srr_id++;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf019,
+ "qla_target(%d): CTIO with SRR status received\n", vha->vp_idx);
+
+ if (!ctio) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf055,
+ "qla_target(%d): SRR CTIO, but ctio is NULL\n",
+ vha->vp_idx);
+ return -EINVAL;
+ }
+
+ sc = kzalloc(sizeof(*sc), GFP_ATOMIC);
+ if (sc != NULL) {
+ sc->cmd = cmd;
+ /* IRQ is already OFF */
+ spin_lock(&tgt->srr_lock);
+ sc->srr_id = tgt->ctio_srr_id;
+ list_add_tail(&sc->srr_list_entry,
+ &tgt->srr_ctio_list);
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01a,
+ "CTIO SRR %p added (id %d)\n", sc, sc->srr_id);
+ if (tgt->imm_srr_id == tgt->ctio_srr_id) {
+ int found = 0;
+ list_for_each_entry(imm, &tgt->srr_imm_list,
+ srr_list_entry) {
+ if (imm->srr_id == sc->srr_id) {
+ found = 1;
+ break;
+ }
+ }
+ if (found) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01b,
+ "Scheduling srr work\n");
+ schedule_work(&tgt->srr_work);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf056,
+ "qla_target(%d): imm_srr_id "
+ "== ctio_srr_id (%d), but there is no "
+ "corresponding SRR IMM, deleting CTIO "
+ "SRR %p\n", vha->vp_idx,
+ tgt->ctio_srr_id, sc);
+ list_del(&sc->srr_list_entry);
+ spin_unlock(&tgt->srr_lock);
+
+ kfree(sc);
+ return -EINVAL;
+ }
+ }
+ spin_unlock(&tgt->srr_lock);
+ } else {
+ struct qla_tgt_srr_imm *ti;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf057,
+ "qla_target(%d): Unable to allocate SRR CTIO entry\n",
+ vha->vp_idx);
+ spin_lock(&tgt->srr_lock);
+ list_for_each_entry_safe(imm, ti, &tgt->srr_imm_list,
+ srr_list_entry) {
+ if (imm->srr_id == tgt->ctio_srr_id) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01c,
+ "IMM SRR %p deleted (id %d)\n",
+ imm, imm->srr_id);
+ list_del(&imm->srr_list_entry);
+ qlt_reject_free_srr_imm(vha, imm, 1);
+ }
+ }
+ spin_unlock(&tgt->srr_lock);
+
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static int qlt_term_ctio_exchange(struct scsi_qla_host *vha, void *ctio,
+ struct qla_tgt_cmd *cmd, uint32_t status)
+{
+ int term = 0;
+
+ if (ctio != NULL) {
+ struct ctio7_from_24xx *c = (struct ctio7_from_24xx *)ctio;
+ term = !(c->flags &
+ __constant_cpu_to_le16(OF_TERM_EXCH));
+ } else
+ term = 1;
+
+ if (term)
+ qlt_send_term_exchange(vha, cmd, &cmd->atio, 1);
+
+ return term;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static inline struct qla_tgt_cmd *qlt_get_cmd(struct scsi_qla_host *vha,
+ uint32_t handle)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ handle--;
+ if (ha->tgt.cmds[handle] != NULL) {
+ struct qla_tgt_cmd *cmd = ha->tgt.cmds[handle];
+ ha->tgt.cmds[handle] = NULL;
+ return cmd;
+ } else
+ return NULL;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static struct qla_tgt_cmd *qlt_ctio_to_cmd(struct scsi_qla_host *vha,
+ uint32_t handle, void *ctio)
+{
+ struct qla_tgt_cmd *cmd = NULL;
+
+ /* Clear out internal marks */
+ handle &= ~(CTIO_COMPLETION_HANDLE_MARK |
+ CTIO_INTERMEDIATE_HANDLE_MARK);
+
+ if (handle != QLA_TGT_NULL_HANDLE) {
+ if (unlikely(handle == QLA_TGT_SKIP_HANDLE)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe01d, "%s",
+ "SKIP_HANDLE CTIO\n");
+ return NULL;
+ }
+ /* handle-1 is actually used */
+ if (unlikely(handle > MAX_OUTSTANDING_COMMANDS)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe052,
+ "qla_target(%d): Wrong handle %x received\n",
+ vha->vp_idx, handle);
+ return NULL;
+ }
+ cmd = qlt_get_cmd(vha, handle);
+ if (unlikely(cmd == NULL)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe053,
+ "qla_target(%d): Suspicious: unable to "
+ "find the command with handle %x\n", vha->vp_idx,
+ handle);
+ return NULL;
+ }
+ } else if (ctio != NULL) {
+ /* We can't get loop ID from CTIO7 */
+ ql_dbg(ql_dbg_tgt, vha, 0xe054,
+ "qla_target(%d): Wrong CTIO received: QLA24xx doesn't "
+ "support NULL handles\n", vha->vp_idx);
+ return NULL;
+ }
+
+ return cmd;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle,
+ uint32_t status, void *ctio)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct se_cmd *se_cmd;
+ struct target_core_fabric_ops *tfo;
+ struct qla_tgt_cmd *cmd;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe01e,
+ "qla_target(%d): handle(ctio %p status %#x) <- %08x\n",
+ vha->vp_idx, ctio, status, handle);
+
+ if (handle & CTIO_INTERMEDIATE_HANDLE_MARK) {
+ /* That could happen only in case of an error/reset/abort */
+ if (status != CTIO_SUCCESS) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01d,
+ "Intermediate CTIO received"
+ " (status %x)\n", status);
+ }
+ return;
+ }
+
+ cmd = qlt_ctio_to_cmd(vha, handle, ctio);
+ if (cmd == NULL) {
+ if (status != CTIO_SUCCESS)
+ qlt_term_ctio_exchange(vha, ctio, NULL, status);
+ return;
+ }
+ se_cmd = &cmd->se_cmd;
+ tfo = se_cmd->se_tfo;
+
+ if (cmd->sg_mapped)
+ qlt_unmap_sg(vha, cmd);
+
+ if (unlikely(status != CTIO_SUCCESS)) {
+ switch (status & 0xFFFF) {
+ case CTIO_LIP_RESET:
+ case CTIO_TARGET_RESET:
+ case CTIO_ABORTED:
+ case CTIO_TIMEOUT:
+ case CTIO_INVALID_RX_ID:
+ /* They are OK */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf058,
+ "qla_target(%d): CTIO with "
+ "status %#x received, state %x, se_cmd %p, "
+ "(LIP_RESET=e, ABORTED=2, TARGET_RESET=17, "
+ "TIMEOUT=b, INVALID_RX_ID=8)\n", vha->vp_idx,
+ status, cmd->state, se_cmd);
+ break;
+
+ case CTIO_PORT_LOGGED_OUT:
+ case CTIO_PORT_UNAVAILABLE:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf059,
+ "qla_target(%d): CTIO with PORT LOGGED "
+ "OUT (29) or PORT UNAVAILABLE (28) status %x "
+ "received (state %x, se_cmd %p)\n", vha->vp_idx,
+ status, cmd->state, se_cmd);
+ break;
+
+ case CTIO_SRR_RECEIVED:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05a,
+ "qla_target(%d): CTIO with SRR_RECEIVED"
+ " status %x received (state %x, se_cmd %p)\n",
+ vha->vp_idx, status, cmd->state, se_cmd);
+ if (qlt_prepare_srr_ctio(vha, cmd, ctio) != 0)
+ break;
+ else
+ return;
+
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05b,
+ "qla_target(%d): CTIO with error status "
+ "0x%x received (state %x, se_cmd %p\n",
+ vha->vp_idx, status, cmd->state, se_cmd);
+ break;
+ }
+
+ if (cmd->state != QLA_TGT_STATE_NEED_DATA)
+ if (qlt_term_ctio_exchange(vha, ctio, cmd, status))
+ return;
+ }
+
+ if (cmd->state == QLA_TGT_STATE_PROCESSED) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe01f, "Command %p finished\n", cmd);
+ } else if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
+ int rx_status = 0;
+
+ cmd->state = QLA_TGT_STATE_DATA_IN;
+
+ if (unlikely(status != CTIO_SUCCESS))
+ rx_status = -EIO;
+ else
+ cmd->write_data_transferred = 1;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe020,
+ "Data received, context %x, rx_status %d\n",
+ 0x0, rx_status);
+
+ ha->tgt.tgt_ops->handle_data(cmd);
+ return;
+ } else if (cmd->state == QLA_TGT_STATE_ABORTED) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01e,
+ "Aborted command %p (tag %d) finished\n", cmd, cmd->tag);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05c,
+ "qla_target(%d): A command in state (%d) should "
+ "not return a CTIO complete\n", vha->vp_idx, cmd->state);
+ }
+
+ if (unlikely(status != CTIO_SUCCESS)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf01f, "Finishing failed CTIO\n");
+ dump_stack();
+ }
+
+ ha->tgt.tgt_ops->free_cmd(cmd);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+/* called via callback from qla2xxx */
+void qlt_ctio_completion(struct scsi_qla_host *vha, uint32_t handle)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+
+ if (likely(tgt == NULL)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe021,
+ "CTIO, but target mode not enabled"
+ " (ha %d %p handle %#x)", vha->vp_idx, ha, handle);
+ return;
+ }
+
+ tgt->irq_cmd_count++;
+ qlt_do_ctio_completion(vha, handle, CTIO_SUCCESS, NULL);
+ tgt->irq_cmd_count--;
+}
+
+static inline int qlt_get_fcp_task_attr(struct scsi_qla_host *vha,
+ uint8_t task_codes)
+{
+ int fcp_task_attr;
+
+ switch (task_codes) {
+ case ATIO_SIMPLE_QUEUE:
+ fcp_task_attr = MSG_SIMPLE_TAG;
+ break;
+ case ATIO_HEAD_OF_QUEUE:
+ fcp_task_attr = MSG_HEAD_TAG;
+ break;
+ case ATIO_ORDERED_QUEUE:
+ fcp_task_attr = MSG_ORDERED_TAG;
+ break;
+ case ATIO_ACA_QUEUE:
+ fcp_task_attr = MSG_ACA_TAG;
+ break;
+ case ATIO_UNTAGGED:
+ fcp_task_attr = MSG_SIMPLE_TAG;
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05d,
+ "qla_target: unknown task code %x, use ORDERED instead\n",
+ task_codes);
+ fcp_task_attr = MSG_ORDERED_TAG;
+ break;
+ }
+
+ return fcp_task_attr;
+}
+
+static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *,
+ uint8_t *);
+/*
+ * Process context for I/O path into tcm_qla2xxx code
+ */
+static void qlt_do_work(struct work_struct *work)
+{
+ struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
+ scsi_qla_host_t *vha = cmd->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_sess *sess = NULL;
+ struct atio_from_isp *atio = &cmd->atio;
+ unsigned char *cdb;
+ unsigned long flags;
+ uint32_t data_length;
+ int ret, fcp_task_attr, data_dir, bidi = 0;
+
+ if (tgt->tgt_stop)
+ goto out_term;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha,
+ atio->u.isp24.fcp_hdr.s_id);
+ if (sess) {
+ if (unlikely(sess->tearing_down)) {
+ sess = NULL;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ goto out_term;
+ } else {
+ /*
+ * Do the extra kref_get() before dropping
+ * qla_hw_data->hardware_lock.
+ */
+ kref_get(&sess->se_sess->sess_kref);
+ }
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (unlikely(!sess)) {
+ uint8_t *s_id = atio->u.isp24.fcp_hdr.s_id;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf022,
+ "qla_target(%d): Unable to find wwn login"
+ " (s_id %x:%x:%x), trying to create it manually\n",
+ vha->vp_idx, s_id[0], s_id[1], s_id[2]);
+
+ if (atio->u.raw.entry_count > 1) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf023,
+ "Dropping multy entry cmd %p\n", cmd);
+ goto out_term;
+ }
+
+ mutex_lock(&ha->tgt.tgt_mutex);
+ sess = qlt_make_local_sess(vha, s_id);
+ /* sess has an extra creation ref. */
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ if (!sess)
+ goto out_term;
+ }
+
+ cmd->sess = sess;
+ cmd->loop_id = sess->loop_id;
+ cmd->conf_compl_supported = sess->conf_compl_supported;
+
+ cdb = &atio->u.isp24.fcp_cmnd.cdb[0];
+ cmd->tag = atio->u.isp24.exchange_addr;
+ cmd->unpacked_lun = scsilun_to_int(
+ (struct scsi_lun *)&atio->u.isp24.fcp_cmnd.lun);
+
+ if (atio->u.isp24.fcp_cmnd.rddata &&
+ atio->u.isp24.fcp_cmnd.wrdata) {
+ bidi = 1;
+ data_dir = DMA_TO_DEVICE;
+ } else if (atio->u.isp24.fcp_cmnd.rddata)
+ data_dir = DMA_FROM_DEVICE;
+ else if (atio->u.isp24.fcp_cmnd.wrdata)
+ data_dir = DMA_TO_DEVICE;
+ else
+ data_dir = DMA_NONE;
+
+ fcp_task_attr = qlt_get_fcp_task_attr(vha,
+ atio->u.isp24.fcp_cmnd.task_attr);
+ data_length = be32_to_cpu(get_unaligned((uint32_t *)
+ &atio->u.isp24.fcp_cmnd.add_cdb[
+ atio->u.isp24.fcp_cmnd.add_cdb_len]));
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe022,
+ "qla_target: START qla command: %p lun: 0x%04x (tag %d)\n",
+ cmd, cmd->unpacked_lun, cmd->tag);
+
+ ret = vha->hw->tgt.tgt_ops->handle_cmd(vha, cmd, cdb, data_length,
+ fcp_task_attr, data_dir, bidi);
+ if (ret != 0)
+ goto out_term;
+ /*
+ * Drop extra session reference from qla_tgt_handle_cmd_for_atio*(
+ */
+ ha->tgt.tgt_ops->put_sess(sess);
+ return;
+
+out_term:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf020, "Terminating work cmd %p", cmd);
+ /*
+ * cmd has not sent to target yet, so pass NULL as the second argument
+ */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_send_term_exchange(vha, NULL, &cmd->atio, 1);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
+ struct atio_from_isp *atio)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_cmd *cmd;
+
+ if (unlikely(tgt->tgt_stop)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf021,
+ "New command while device %p is shutting down\n", tgt);
+ return -EFAULT;
+ }
+
+ cmd = kmem_cache_zalloc(qla_tgt_cmd_cachep, GFP_ATOMIC);
+ if (!cmd) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05e,
+ "qla_target(%d): Allocation of cmd failed\n", vha->vp_idx);
+ return -ENOMEM;
+ }
+
+ INIT_LIST_HEAD(&cmd->cmd_list);
+
+ memcpy(&cmd->atio, atio, sizeof(*atio));
+ cmd->state = QLA_TGT_STATE_NEW;
+ cmd->tgt = ha->tgt.qla_tgt;
+ cmd->vha = vha;
+
+ INIT_WORK(&cmd->work, qlt_do_work);
+ queue_work(qla_tgt_wq, &cmd->work);
+ return 0;
+
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_issue_task_mgmt(struct qla_tgt_sess *sess, uint32_t lun,
+ int fn, void *iocb, int flags)
+{
+ struct scsi_qla_host *vha = sess->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_mgmt_cmd *mcmd;
+ int res;
+ uint8_t tmr_func;
+
+ mcmd = mempool_alloc(qla_tgt_mgmt_cmd_mempool, GFP_ATOMIC);
+ if (!mcmd) {
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10009,
+ "qla_target(%d): Allocation of management "
+ "command failed, some commands and their data could "
+ "leak\n", vha->vp_idx);
+ return -ENOMEM;
+ }
+ memset(mcmd, 0, sizeof(*mcmd));
+ mcmd->sess = sess;
+
+ if (iocb) {
+ memcpy(&mcmd->orig_iocb.imm_ntfy, iocb,
+ sizeof(mcmd->orig_iocb.imm_ntfy));
+ }
+ mcmd->tmr_func = fn;
+ mcmd->flags = flags;
+
+ switch (fn) {
+ case QLA_TGT_CLEAR_ACA:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10000,
+ "qla_target(%d): CLEAR_ACA received\n", sess->vha->vp_idx);
+ tmr_func = TMR_CLEAR_ACA;
+ break;
+
+ case QLA_TGT_TARGET_RESET:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10001,
+ "qla_target(%d): TARGET_RESET received\n",
+ sess->vha->vp_idx);
+ tmr_func = TMR_TARGET_WARM_RESET;
+ break;
+
+ case QLA_TGT_LUN_RESET:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10002,
+ "qla_target(%d): LUN_RESET received\n", sess->vha->vp_idx);
+ tmr_func = TMR_LUN_RESET;
+ break;
+
+ case QLA_TGT_CLEAR_TS:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10003,
+ "qla_target(%d): CLEAR_TS received\n", sess->vha->vp_idx);
+ tmr_func = TMR_CLEAR_TASK_SET;
+ break;
+
+ case QLA_TGT_ABORT_TS:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10004,
+ "qla_target(%d): ABORT_TS received\n", sess->vha->vp_idx);
+ tmr_func = TMR_ABORT_TASK_SET;
+ break;
+#if 0
+ case QLA_TGT_ABORT_ALL:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10005,
+ "qla_target(%d): Doing ABORT_ALL_TASKS\n",
+ sess->vha->vp_idx);
+ tmr_func = 0;
+ break;
+
+ case QLA_TGT_ABORT_ALL_SESS:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10006,
+ "qla_target(%d): Doing ABORT_ALL_TASKS_SESS\n",
+ sess->vha->vp_idx);
+ tmr_func = 0;
+ break;
+
+ case QLA_TGT_NEXUS_LOSS_SESS:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10007,
+ "qla_target(%d): Doing NEXUS_LOSS_SESS\n",
+ sess->vha->vp_idx);
+ tmr_func = 0;
+ break;
+
+ case QLA_TGT_NEXUS_LOSS:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x10008,
+ "qla_target(%d): Doing NEXUS_LOSS\n", sess->vha->vp_idx);
+ tmr_func = 0;
+ break;
+#endif
+ default:
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000a,
+ "qla_target(%d): Unknown task mgmt fn 0x%x\n",
+ sess->vha->vp_idx, fn);
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+ return -ENOSYS;
+ }
+
+ res = ha->tgt.tgt_ops->handle_tmr(mcmd, lun, tmr_func, 0);
+ if (res != 0) {
+ ql_dbg(ql_dbg_tgt_tmr, vha, 0x1000b,
+ "qla_target(%d): tgt.tgt_ops->handle_tmr() failed: %d\n",
+ sess->vha->vp_idx, res);
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb)
+{
+ struct atio_from_isp *a = (struct atio_from_isp *)iocb;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt;
+ struct qla_tgt_sess *sess;
+ uint32_t lun, unpacked_lun;
+ int lun_size, fn;
+
+ tgt = ha->tgt.qla_tgt;
+
+ lun = a->u.isp24.fcp_cmnd.lun;
+ lun_size = sizeof(a->u.isp24.fcp_cmnd.lun);
+ fn = a->u.isp24.fcp_cmnd.task_mgmt_flags;
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha,
+ a->u.isp24.fcp_hdr.s_id);
+ unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
+
+ if (!sess) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf024,
+ "qla_target(%d): task mgmt fn 0x%x for "
+ "non-existant session\n", vha->vp_idx, fn);
+ return qlt_sched_sess_work(tgt, QLA_TGT_SESS_WORK_TM, iocb,
+ sizeof(struct atio_from_isp));
+ }
+
+ return qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int __qlt_abort_task(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *iocb, struct qla_tgt_sess *sess)
+{
+ struct atio_from_isp *a = (struct atio_from_isp *)iocb;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_mgmt_cmd *mcmd;
+ uint32_t lun, unpacked_lun;
+ int rc;
+
+ mcmd = mempool_alloc(qla_tgt_mgmt_cmd_mempool, GFP_ATOMIC);
+ if (mcmd == NULL) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05f,
+ "qla_target(%d): %s: Allocation of ABORT cmd failed\n",
+ vha->vp_idx, __func__);
+ return -ENOMEM;
+ }
+ memset(mcmd, 0, sizeof(*mcmd));
+
+ mcmd->sess = sess;
+ memcpy(&mcmd->orig_iocb.imm_ntfy, iocb,
+ sizeof(mcmd->orig_iocb.imm_ntfy));
+
+ lun = a->u.isp24.fcp_cmnd.lun;
+ unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
+
+ rc = ha->tgt.tgt_ops->handle_tmr(mcmd, unpacked_lun, TMR_ABORT_TASK,
+ le16_to_cpu(iocb->u.isp2x.seq_id));
+ if (rc != 0) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf060,
+ "qla_target(%d): tgt_ops->handle_tmr() failed: %d\n",
+ vha->vp_idx, rc);
+ mempool_free(mcmd, qla_tgt_mgmt_cmd_mempool);
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static int qlt_abort_task(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *iocb)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess;
+ int loop_id;
+
+ loop_id = GET_TARGET_ID(ha, (struct atio_from_isp *)iocb);
+
+ sess = ha->tgt.tgt_ops->find_sess_by_loop_id(vha, loop_id);
+ if (sess == NULL) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf025,
+ "qla_target(%d): task abort for unexisting "
+ "session\n", vha->vp_idx);
+ return qlt_sched_sess_work(ha->tgt.qla_tgt,
+ QLA_TGT_SESS_WORK_ABORT, iocb, sizeof(*iocb));
+ }
+
+ return __qlt_abort_task(vha, iocb, sess);
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *iocb)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int res = 0;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
+ "qla_target(%d): Port ID: 0x%02x:%02x:%02x"
+ " ELS opcode: 0x%02x\n", vha->vp_idx, iocb->u.isp24.port_id[0],
+ iocb->u.isp24.port_id[1], iocb->u.isp24.port_id[2],
+ iocb->u.isp24.status_subcode);
+
+ switch (iocb->u.isp24.status_subcode) {
+ case ELS_PLOGI:
+ case ELS_FLOGI:
+ case ELS_PRLI:
+ case ELS_LOGO:
+ case ELS_PRLO:
+ res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
+ break;
+ case ELS_PDISC:
+ case ELS_ADISC:
+ {
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ if (tgt->link_reinit_iocb_pending) {
+ qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
+ 0, 0, 0, 0, 0, 0);
+ tgt->link_reinit_iocb_pending = 0;
+ }
+ res = 1; /* send notify ack */
+ break;
+ }
+
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf061,
+ "qla_target(%d): Unsupported ELS command %x "
+ "received\n", vha->vp_idx, iocb->u.isp24.status_subcode);
+ res = qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS);
+ break;
+ }
+
+ return res;
+}
+
+static int qlt_set_data_offset(struct qla_tgt_cmd *cmd, uint32_t offset)
+{
+ struct scatterlist *sg, *sgp, *sg_srr, *sg_srr_start = NULL;
+ size_t first_offset = 0, rem_offset = offset, tmp = 0;
+ int i, sg_srr_cnt, bufflen = 0;
+
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe023,
+ "Entering qla_tgt_set_data_offset: cmd: %p, cmd->sg: %p, "
+ "cmd->sg_cnt: %u, direction: %d\n",
+ cmd, cmd->sg, cmd->sg_cnt, cmd->dma_data_direction);
+
+ /*
+ * FIXME: Reject non zero SRR relative offset until we can test
+ * this code properly.
+ */
+ pr_debug("Rejecting non zero SRR rel_offs: %u\n", offset);
+ return -1;
+
+ if (!cmd->sg || !cmd->sg_cnt) {
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe055,
+ "Missing cmd->sg or zero cmd->sg_cnt in"
+ " qla_tgt_set_data_offset\n");
+ return -EINVAL;
+ }
+ /*
+ * Walk the current cmd->sg list until we locate the new sg_srr_start
+ */
+ for_each_sg(cmd->sg, sg, cmd->sg_cnt, i) {
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe024,
+ "sg[%d]: %p page: %p, length: %d, offset: %d\n",
+ i, sg, sg_page(sg), sg->length, sg->offset);
+
+ if ((sg->length + tmp) > offset) {
+ first_offset = rem_offset;
+ sg_srr_start = sg;
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe025,
+ "Found matching sg[%d], using %p as sg_srr_start, "
+ "and using first_offset: %zu\n", i, sg,
+ first_offset);
+ break;
+ }
+ tmp += sg->length;
+ rem_offset -= sg->length;
+ }
+
+ if (!sg_srr_start) {
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe056,
+ "Unable to locate sg_srr_start for offset: %u\n", offset);
+ return -EINVAL;
+ }
+ sg_srr_cnt = (cmd->sg_cnt - i);
+
+ sg_srr = kzalloc(sizeof(struct scatterlist) * sg_srr_cnt, GFP_KERNEL);
+ if (!sg_srr) {
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe057,
+ "Unable to allocate sgp\n");
+ return -ENOMEM;
+ }
+ sg_init_table(sg_srr, sg_srr_cnt);
+ sgp = &sg_srr[0];
+ /*
+ * Walk the remaining list for sg_srr_start, mapping to the newly
+ * allocated sg_srr taking first_offset into account.
+ */
+ for_each_sg(sg_srr_start, sg, sg_srr_cnt, i) {
+ if (first_offset) {
+ sg_set_page(sgp, sg_page(sg),
+ (sg->length - first_offset), first_offset);
+ first_offset = 0;
+ } else {
+ sg_set_page(sgp, sg_page(sg), sg->length, 0);
+ }
+ bufflen += sgp->length;
+
+ sgp = sg_next(sgp);
+ if (!sgp)
+ break;
+ }
+
+ cmd->sg = sg_srr;
+ cmd->sg_cnt = sg_srr_cnt;
+ cmd->bufflen = bufflen;
+ cmd->offset += offset;
+ cmd->free_sg = 1;
+
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe026, "New cmd->sg: %p\n", cmd->sg);
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe027, "New cmd->sg_cnt: %u\n",
+ cmd->sg_cnt);
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe028, "New cmd->bufflen: %u\n",
+ cmd->bufflen);
+ ql_dbg(ql_dbg_tgt, cmd->vha, 0xe029, "New cmd->offset: %u\n",
+ cmd->offset);
+
+ if (cmd->sg_cnt < 0)
+ BUG();
+
+ if (cmd->bufflen < 0)
+ BUG();
+
+ return 0;
+}
+
+static inline int qlt_srr_adjust_data(struct qla_tgt_cmd *cmd,
+ uint32_t srr_rel_offs, int *xmit_type)
+{
+ int res = 0, rel_offs;
+
+ rel_offs = srr_rel_offs - cmd->offset;
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf027, "srr_rel_offs=%d, rel_offs=%d",
+ srr_rel_offs, rel_offs);
+
+ *xmit_type = QLA_TGT_XMIT_ALL;
+
+ if (rel_offs < 0) {
+ ql_dbg(ql_dbg_tgt_mgt, cmd->vha, 0xf062,
+ "qla_target(%d): SRR rel_offs (%d) < 0",
+ cmd->vha->vp_idx, rel_offs);
+ res = -1;
+ } else if (rel_offs == cmd->bufflen)
+ *xmit_type = QLA_TGT_XMIT_STATUS;
+ else if (rel_offs > 0)
+ res = qlt_set_data_offset(cmd, rel_offs);
+
+ return res;
+}
+
+/* No locks, thread context */
+static void qlt_handle_srr(struct scsi_qla_host *vha,
+ struct qla_tgt_srr_ctio *sctio, struct qla_tgt_srr_imm *imm)
+{
+ struct imm_ntfy_from_isp *ntfy =
+ (struct imm_ntfy_from_isp *)&imm->imm_ntfy;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_cmd *cmd = sctio->cmd;
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+ unsigned long flags;
+ int xmit_type = 0, resp = 0;
+ uint32_t offset;
+ uint16_t srr_ui;
+
+ offset = le32_to_cpu(ntfy->u.isp24.srr_rel_offs);
+ srr_ui = ntfy->u.isp24.srr_ui;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf028, "SRR cmd %p, srr_ui %x\n",
+ cmd, srr_ui);
+
+ switch (srr_ui) {
+ case SRR_IU_STATUS:
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_send_notify_ack(vha, ntfy,
+ 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ xmit_type = QLA_TGT_XMIT_STATUS;
+ resp = 1;
+ break;
+ case SRR_IU_DATA_IN:
+ if (!cmd->sg || !cmd->sg_cnt) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf063,
+ "Unable to process SRR_IU_DATA_IN due to"
+ " missing cmd->sg, state: %d\n", cmd->state);
+ dump_stack();
+ goto out_reject;
+ }
+ if (se_cmd->scsi_status != 0) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe02a,
+ "Rejecting SRR_IU_DATA_IN with non GOOD "
+ "scsi_status\n");
+ goto out_reject;
+ }
+ cmd->bufflen = se_cmd->data_length;
+
+ if (qlt_has_data(cmd)) {
+ if (qlt_srr_adjust_data(cmd, offset, &xmit_type) != 0)
+ goto out_reject;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_send_notify_ack(vha, ntfy,
+ 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ resp = 1;
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf064,
+ "qla_target(%d): SRR for in data for cmd "
+ "without them (tag %d, SCSI status %d), "
+ "reject", vha->vp_idx, cmd->tag,
+ cmd->se_cmd.scsi_status);
+ goto out_reject;
+ }
+ break;
+ case SRR_IU_DATA_OUT:
+ if (!cmd->sg || !cmd->sg_cnt) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf065,
+ "Unable to process SRR_IU_DATA_OUT due to"
+ " missing cmd->sg\n");
+ dump_stack();
+ goto out_reject;
+ }
+ if (se_cmd->scsi_status != 0) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe02b,
+ "Rejecting SRR_IU_DATA_OUT"
+ " with non GOOD scsi_status\n");
+ goto out_reject;
+ }
+ cmd->bufflen = se_cmd->data_length;
+
+ if (qlt_has_data(cmd)) {
+ if (qlt_srr_adjust_data(cmd, offset, &xmit_type) != 0)
+ goto out_reject;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_send_notify_ack(vha, ntfy,
+ 0, 0, 0, NOTIFY_ACK_SRR_FLAGS_ACCEPT, 0, 0);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (xmit_type & QLA_TGT_XMIT_DATA)
+ qlt_rdy_to_xfer(cmd);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf066,
+ "qla_target(%d): SRR for out data for cmd "
+ "without them (tag %d, SCSI status %d), "
+ "reject", vha->vp_idx, cmd->tag,
+ cmd->se_cmd.scsi_status);
+ goto out_reject;
+ }
+ break;
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf067,
+ "qla_target(%d): Unknown srr_ui value %x",
+ vha->vp_idx, srr_ui);
+ goto out_reject;
+ }
+
+ /* Transmit response in case of status and data-in cases */
+ if (resp)
+ qlt_xmit_response(cmd, xmit_type, se_cmd->scsi_status);
+
+ return;
+
+out_reject:
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_send_notify_ack(vha, ntfy, 0, 0, 0,
+ NOTIFY_ACK_SRR_FLAGS_REJECT,
+ NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
+ NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
+ if (cmd->state == QLA_TGT_STATE_NEED_DATA) {
+ cmd->state = QLA_TGT_STATE_DATA_IN;
+ dump_stack();
+ } else
+ qlt_send_term_exchange(vha, cmd, &cmd->atio, 1);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+static void qlt_reject_free_srr_imm(struct scsi_qla_host *vha,
+ struct qla_tgt_srr_imm *imm, int ha_locked)
+{
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags = 0;
+
+ if (!ha_locked)
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ qlt_send_notify_ack(vha, (void *)&imm->imm_ntfy, 0, 0, 0,
+ NOTIFY_ACK_SRR_FLAGS_REJECT,
+ NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
+ NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
+
+ if (!ha_locked)
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ kfree(imm);
+}
+
+static void qlt_handle_srr_work(struct work_struct *work)
+{
+ struct qla_tgt *tgt = container_of(work, struct qla_tgt, srr_work);
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_tgt_srr_ctio *sctio;
+ unsigned long flags;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf029, "Entering SRR work (tgt %p)\n",
+ tgt);
+
+restart:
+ spin_lock_irqsave(&tgt->srr_lock, flags);
+ list_for_each_entry(sctio, &tgt->srr_ctio_list, srr_list_entry) {
+ struct qla_tgt_srr_imm *imm, *i, *ti;
+ struct qla_tgt_cmd *cmd;
+ struct se_cmd *se_cmd;
+
+ imm = NULL;
+ list_for_each_entry_safe(i, ti, &tgt->srr_imm_list,
+ srr_list_entry) {
+ if (i->srr_id == sctio->srr_id) {
+ list_del(&i->srr_list_entry);
+ if (imm) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf068,
+ "qla_target(%d): There must be "
+ "only one IMM SRR per CTIO SRR "
+ "(IMM SRR %p, id %d, CTIO %p\n",
+ vha->vp_idx, i, i->srr_id, sctio);
+ qlt_reject_free_srr_imm(tgt->vha, i, 0);
+ } else
+ imm = i;
+ }
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02a,
+ "IMM SRR %p, CTIO SRR %p (id %d)\n", imm, sctio,
+ sctio->srr_id);
+
+ if (imm == NULL) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02b,
+ "Not found matching IMM for SRR CTIO (id %d)\n",
+ sctio->srr_id);
+ continue;
+ } else
+ list_del(&sctio->srr_list_entry);
+
+ spin_unlock_irqrestore(&tgt->srr_lock, flags);
+
+ cmd = sctio->cmd;
+ /*
+ * Reset qla_tgt_cmd SRR values and SGL pointer+count to follow
+ * tcm_qla2xxx_write_pending() and tcm_qla2xxx_queue_data_in()
+ * logic..
+ */
+ cmd->offset = 0;
+ if (cmd->free_sg) {
+ kfree(cmd->sg);
+ cmd->sg = NULL;
+ cmd->free_sg = 0;
+ }
+ se_cmd = &cmd->se_cmd;
+
+ cmd->sg_cnt = se_cmd->t_data_nents;
+ cmd->sg = se_cmd->t_data_sg;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02c,
+ "SRR cmd %p (se_cmd %p, tag %d, op %x), "
+ "sg_cnt=%d, offset=%d", cmd, &cmd->se_cmd, cmd->tag,
+ se_cmd->t_task_cdb[0], cmd->sg_cnt, cmd->offset);
+
+ qlt_handle_srr(vha, sctio, imm);
+
+ kfree(imm);
+ kfree(sctio);
+ goto restart;
+ }
+ spin_unlock_irqrestore(&tgt->srr_lock, flags);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+static void qlt_prepare_srr_imm(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *iocb)
+{
+ struct qla_tgt_srr_imm *imm;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ struct qla_tgt_srr_ctio *sctio;
+
+ tgt->imm_srr_id++;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02d, "qla_target(%d): SRR received\n",
+ vha->vp_idx);
+
+ imm = kzalloc(sizeof(*imm), GFP_ATOMIC);
+ if (imm != NULL) {
+ memcpy(&imm->imm_ntfy, iocb, sizeof(imm->imm_ntfy));
+
+ /* IRQ is already OFF */
+ spin_lock(&tgt->srr_lock);
+ imm->srr_id = tgt->imm_srr_id;
+ list_add_tail(&imm->srr_list_entry,
+ &tgt->srr_imm_list);
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02e,
+ "IMM NTFY SRR %p added (id %d, ui %x)\n",
+ imm, imm->srr_id, iocb->u.isp24.srr_ui);
+ if (tgt->imm_srr_id == tgt->ctio_srr_id) {
+ int found = 0;
+ list_for_each_entry(sctio, &tgt->srr_ctio_list,
+ srr_list_entry) {
+ if (sctio->srr_id == imm->srr_id) {
+ found = 1;
+ break;
+ }
+ }
+ if (found) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf02f, "%s",
+ "Scheduling srr work\n");
+ schedule_work(&tgt->srr_work);
+ } else {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf030,
+ "qla_target(%d): imm_srr_id "
+ "== ctio_srr_id (%d), but there is no "
+ "corresponding SRR CTIO, deleting IMM "
+ "SRR %p\n", vha->vp_idx, tgt->ctio_srr_id,
+ imm);
+ list_del(&imm->srr_list_entry);
+
+ kfree(imm);
+
+ spin_unlock(&tgt->srr_lock);
+ goto out_reject;
+ }
+ }
+ spin_unlock(&tgt->srr_lock);
+ } else {
+ struct qla_tgt_srr_ctio *ts;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf069,
+ "qla_target(%d): Unable to allocate SRR IMM "
+ "entry, SRR request will be rejected\n", vha->vp_idx);
+
+ /* IRQ is already OFF */
+ spin_lock(&tgt->srr_lock);
+ list_for_each_entry_safe(sctio, ts, &tgt->srr_ctio_list,
+ srr_list_entry) {
+ if (sctio->srr_id == tgt->imm_srr_id) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf031,
+ "CTIO SRR %p deleted (id %d)\n",
+ sctio, sctio->srr_id);
+ list_del(&sctio->srr_list_entry);
+ qlt_send_term_exchange(vha, sctio->cmd,
+ &sctio->cmd->atio, 1);
+ kfree(sctio);
+ }
+ }
+ spin_unlock(&tgt->srr_lock);
+ goto out_reject;
+ }
+
+ return;
+
+out_reject:
+ qlt_send_notify_ack(vha, iocb, 0, 0, 0,
+ NOTIFY_ACK_SRR_FLAGS_REJECT,
+ NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM,
+ NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL);
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+static void qlt_handle_imm_notify(struct scsi_qla_host *vha,
+ struct imm_ntfy_from_isp *iocb)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t add_flags = 0;
+ int send_notify_ack = 1;
+ uint16_t status;
+
+ status = le16_to_cpu(iocb->u.isp2x.status);
+ switch (status) {
+ case IMM_NTFY_LIP_RESET:
+ {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf032,
+ "qla_target(%d): LIP reset (loop %#x), subcode %x\n",
+ vha->vp_idx, le16_to_cpu(iocb->u.isp24.nport_handle),
+ iocb->u.isp24.status_subcode);
+
+ if (qlt_reset(vha, iocb, QLA_TGT_ABORT_ALL) == 0)
+ send_notify_ack = 0;
+ break;
+ }
+
+ case IMM_NTFY_LIP_LINK_REINIT:
+ {
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf033,
+ "qla_target(%d): LINK REINIT (loop %#x, "
+ "subcode %x)\n", vha->vp_idx,
+ le16_to_cpu(iocb->u.isp24.nport_handle),
+ iocb->u.isp24.status_subcode);
+ if (tgt->link_reinit_iocb_pending) {
+ qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
+ 0, 0, 0, 0, 0, 0);
+ }
+ memcpy(&tgt->link_reinit_iocb, iocb, sizeof(*iocb));
+ tgt->link_reinit_iocb_pending = 1;
+ /*
+ * QLogic requires to wait after LINK REINIT for possible
+ * PDISC or ADISC ELS commands
+ */
+ send_notify_ack = 0;
+ break;
+ }
+
+ case IMM_NTFY_PORT_LOGOUT:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf034,
+ "qla_target(%d): Port logout (loop "
+ "%#x, subcode %x)\n", vha->vp_idx,
+ le16_to_cpu(iocb->u.isp24.nport_handle),
+ iocb->u.isp24.status_subcode);
+
+ if (qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS_SESS) == 0)
+ send_notify_ack = 0;
+ /* The sessions will be cleared in the callback, if needed */
+ break;
+
+ case IMM_NTFY_GLBL_TPRLO:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf035,
+ "qla_target(%d): Global TPRLO (%x)\n", vha->vp_idx, status);
+ if (qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS) == 0)
+ send_notify_ack = 0;
+ /* The sessions will be cleared in the callback, if needed */
+ break;
+
+ case IMM_NTFY_PORT_CONFIG:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf036,
+ "qla_target(%d): Port config changed (%x)\n", vha->vp_idx,
+ status);
+ if (qlt_reset(vha, iocb, QLA_TGT_ABORT_ALL) == 0)
+ send_notify_ack = 0;
+ /* The sessions will be cleared in the callback, if needed */
+ break;
+
+ case IMM_NTFY_GLBL_LOGO:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06a,
+ "qla_target(%d): Link failure detected\n",
+ vha->vp_idx);
+ /* I_T nexus loss */
+ if (qlt_reset(vha, iocb, QLA_TGT_NEXUS_LOSS) == 0)
+ send_notify_ack = 0;
+ break;
+
+ case IMM_NTFY_IOCB_OVERFLOW:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06b,
+ "qla_target(%d): Cannot provide requested "
+ "capability (IOCB overflowed the immediate notify "
+ "resource count)\n", vha->vp_idx);
+ break;
+
+ case IMM_NTFY_ABORT_TASK:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf037,
+ "qla_target(%d): Abort Task (S %08x I %#x -> "
+ "L %#x)\n", vha->vp_idx,
+ le16_to_cpu(iocb->u.isp2x.seq_id),
+ GET_TARGET_ID(ha, (struct atio_from_isp *)iocb),
+ le16_to_cpu(iocb->u.isp2x.lun));
+ if (qlt_abort_task(vha, iocb) == 0)
+ send_notify_ack = 0;
+ break;
+
+ case IMM_NTFY_RESOURCE:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06c,
+ "qla_target(%d): Out of resources, host %ld\n",
+ vha->vp_idx, vha->host_no);
+ break;
+
+ case IMM_NTFY_MSG_RX:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf038,
+ "qla_target(%d): Immediate notify task %x\n",
+ vha->vp_idx, iocb->u.isp2x.task_flags);
+ if (qlt_handle_task_mgmt(vha, iocb) == 0)
+ send_notify_ack = 0;
+ break;
+
+ case IMM_NTFY_ELS:
+ if (qlt_24xx_handle_els(vha, iocb) == 0)
+ send_notify_ack = 0;
+ break;
+
+ case IMM_NTFY_SRR:
+ qlt_prepare_srr_imm(vha, iocb);
+ send_notify_ack = 0;
+ break;
+
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06d,
+ "qla_target(%d): Received unknown immediate "
+ "notify status %x\n", vha->vp_idx, status);
+ break;
+ }
+
+ if (send_notify_ack)
+ qlt_send_notify_ack(vha, iocb, add_flags, 0, 0, 0, 0, 0);
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ * This function sends busy to ISP 2xxx or 24xx.
+ */
+static void qlt_send_busy(struct scsi_qla_host *vha,
+ struct atio_from_isp *atio, uint16_t status)
+{
+ struct ctio7_to_24xx *ctio24;
+ struct qla_hw_data *ha = vha->hw;
+ request_t *pkt;
+ struct qla_tgt_sess *sess = NULL;
+
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha,
+ atio->u.isp24.fcp_hdr.s_id);
+ if (!sess) {
+ qlt_send_term_exchange(vha, NULL, atio, 1);
+ return;
+ }
+ /* Sending marker isn't necessary, since we called from ISR */
+
+ pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL);
+ if (!pkt) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06e,
+ "qla_target(%d): %s failed: unable to allocate "
+ "request packet", vha->vp_idx, __func__);
+ return;
+ }
+
+ pkt->entry_count = 1;
+ pkt->handle = QLA_TGT_SKIP_HANDLE | CTIO_COMPLETION_HANDLE_MARK;
+
+ ctio24 = (struct ctio7_to_24xx *)pkt;
+ ctio24->entry_type = CTIO_TYPE7;
+ ctio24->nport_handle = sess->loop_id;
+ ctio24->timeout = __constant_cpu_to_le16(QLA_TGT_TIMEOUT);
+ ctio24->vp_index = vha->vp_idx;
+ ctio24->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2];
+ ctio24->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1];
+ ctio24->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0];
+ ctio24->exchange_addr = atio->u.isp24.exchange_addr;
+ ctio24->u.status1.flags = (atio->u.isp24.attr << 9) |
+ __constant_cpu_to_le16(
+ CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_SEND_STATUS |
+ CTIO7_FLAGS_DONT_RET_CTIO);
+ /*
+ * CTIO from fw w/o se_cmd doesn't provide enough info to retry it,
+ * if the explicit conformation is used.
+ */
+ ctio24->u.status1.ox_id = swab16(atio->u.isp24.fcp_hdr.ox_id);
+ ctio24->u.status1.scsi_status = cpu_to_le16(status);
+ ctio24->u.status1.residual = get_unaligned((uint32_t *)
+ &atio->u.isp24.fcp_cmnd.add_cdb[
+ atio->u.isp24.fcp_cmnd.add_cdb_len]);
+ if (ctio24->u.status1.residual != 0)
+ ctio24->u.status1.scsi_status |= SS_RESIDUAL_UNDER;
+
+ qla2x00_start_iocbs(vha, vha->req);
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+/* called via callback from qla2xxx */
+static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha,
+ struct atio_from_isp *atio)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ int rc;
+
+ if (unlikely(tgt == NULL)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf039,
+ "ATIO pkt, but no tgt (ha %p)", ha);
+ return;
+ }
+ ql_dbg(ql_dbg_tgt, vha, 0xe02c,
+ "qla_target(%d): ATIO pkt %p: type %02x count %02x",
+ vha->vp_idx, atio, atio->u.raw.entry_type,
+ atio->u.raw.entry_count);
+ /*
+ * In tgt_stop mode we also should allow all requests to pass.
+ * Otherwise, some commands can stuck.
+ */
+
+ tgt->irq_cmd_count++;
+
+ switch (atio->u.raw.entry_type) {
+ case ATIO_TYPE7:
+ ql_dbg(ql_dbg_tgt, vha, 0xe02d,
+ "ATIO_TYPE7 instance %d, lun %Lx, read/write %d/%d, "
+ "add_cdb_len %d, data_length %04x, s_id %x:%x:%x\n",
+ vha->vp_idx, atio->u.isp24.fcp_cmnd.lun,
+ atio->u.isp24.fcp_cmnd.rddata,
+ atio->u.isp24.fcp_cmnd.wrdata,
+ atio->u.isp24.fcp_cmnd.add_cdb_len,
+ be32_to_cpu(get_unaligned((uint32_t *)
+ &atio->u.isp24.fcp_cmnd.add_cdb[
+ atio->u.isp24.fcp_cmnd.add_cdb_len])),
+ atio->u.isp24.fcp_hdr.s_id[0],
+ atio->u.isp24.fcp_hdr.s_id[1],
+ atio->u.isp24.fcp_hdr.s_id[2]);
+
+ if (unlikely(atio->u.isp24.exchange_addr ==
+ ATIO_EXCHANGE_ADDRESS_UNKNOWN)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe058,
+ "qla_target(%d): ATIO_TYPE7 "
+ "received with UNKNOWN exchange address, "
+ "sending QUEUE_FULL\n", vha->vp_idx);
+ qlt_send_busy(vha, atio, SAM_STAT_TASK_SET_FULL);
+ break;
+ }
+ if (likely(atio->u.isp24.fcp_cmnd.task_mgmt_flags == 0))
+ rc = qlt_handle_cmd_for_atio(vha, atio);
+ else
+ rc = qlt_handle_task_mgmt(vha, atio);
+ if (unlikely(rc != 0)) {
+ if (rc == -ESRCH) {
+#if 1 /* With TERM EXCHANGE some FC cards refuse to boot */
+ qlt_send_busy(vha, atio, SAM_STAT_BUSY);
+#else
+ qlt_send_term_exchange(vha, NULL, atio, 1);
+#endif
+ } else {
+ if (tgt->tgt_stop) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe059,
+ "qla_target: Unable to send "
+ "command to target for req, "
+ "ignoring.\n");
+ } else {
+ ql_dbg(ql_dbg_tgt, vha, 0xe05a,
+ "qla_target(%d): Unable to send "
+ "command to target, sending BUSY "
+ "status.\n", vha->vp_idx);
+ qlt_send_busy(vha, atio, SAM_STAT_BUSY);
+ }
+ }
+ }
+ break;
+
+ case IMMED_NOTIFY_TYPE:
+ {
+ if (unlikely(atio->u.isp2x.entry_status != 0)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe05b,
+ "qla_target(%d): Received ATIO packet %x "
+ "with error status %x\n", vha->vp_idx,
+ atio->u.raw.entry_type,
+ atio->u.isp2x.entry_status);
+ break;
+ }
+ ql_dbg(ql_dbg_tgt, vha, 0xe02e, "%s", "IMMED_NOTIFY ATIO");
+ qlt_handle_imm_notify(vha, (struct imm_ntfy_from_isp *)atio);
+ break;
+ }
+
+ default:
+ ql_dbg(ql_dbg_tgt, vha, 0xe05c,
+ "qla_target(%d): Received unknown ATIO atio "
+ "type %x\n", vha->vp_idx, atio->u.raw.entry_type);
+ break;
+ }
+
+ tgt->irq_cmd_count--;
+}
+
+/* ha->hardware_lock supposed to be held on entry */
+/* called via callback from qla2xxx */
+static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+
+ if (unlikely(tgt == NULL)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe05d,
+ "qla_target(%d): Response pkt %x received, but no "
+ "tgt (ha %p)\n", vha->vp_idx, pkt->entry_type, ha);
+ return;
+ }
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe02f,
+ "qla_target(%d): response pkt %p: T %02x C %02x S %02x "
+ "handle %#x\n", vha->vp_idx, pkt, pkt->entry_type,
+ pkt->entry_count, pkt->entry_status, pkt->handle);
+
+ /*
+ * In tgt_stop mode we also should allow all requests to pass.
+ * Otherwise, some commands can stuck.
+ */
+
+ tgt->irq_cmd_count++;
+
+ switch (pkt->entry_type) {
+ case CTIO_TYPE7:
+ {
+ struct ctio7_from_24xx *entry = (struct ctio7_from_24xx *)pkt;
+ ql_dbg(ql_dbg_tgt, vha, 0xe030, "CTIO_TYPE7: instance %d\n",
+ vha->vp_idx);
+ qlt_do_ctio_completion(vha, entry->handle,
+ le16_to_cpu(entry->status)|(pkt->entry_status << 16),
+ entry);
+ break;
+ }
+
+ case ACCEPT_TGT_IO_TYPE:
+ {
+ struct atio_from_isp *atio = (struct atio_from_isp *)pkt;
+ int rc;
+ ql_dbg(ql_dbg_tgt, vha, 0xe031,
+ "ACCEPT_TGT_IO instance %d status %04x "
+ "lun %04x read/write %d data_length %04x "
+ "target_id %02x rx_id %04x\n ", vha->vp_idx,
+ le16_to_cpu(atio->u.isp2x.status),
+ le16_to_cpu(atio->u.isp2x.lun),
+ atio->u.isp2x.execution_codes,
+ le32_to_cpu(atio->u.isp2x.data_length), GET_TARGET_ID(ha,
+ atio), atio->u.isp2x.rx_id);
+ if (atio->u.isp2x.status !=
+ __constant_cpu_to_le16(ATIO_CDB_VALID)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe05e,
+ "qla_target(%d): ATIO with error "
+ "status %x received\n", vha->vp_idx,
+ le16_to_cpu(atio->u.isp2x.status));
+ break;
+ }
+ ql_dbg(ql_dbg_tgt, vha, 0xe032,
+ "FCP CDB: 0x%02x, sizeof(cdb): %lu",
+ atio->u.isp2x.cdb[0], (unsigned long
+ int)sizeof(atio->u.isp2x.cdb));
+
+ rc = qlt_handle_cmd_for_atio(vha, atio);
+ if (unlikely(rc != 0)) {
+ if (rc == -ESRCH) {
+#if 1 /* With TERM EXCHANGE some FC cards refuse to boot */
+ qlt_send_busy(vha, atio, 0);
+#else
+ qlt_send_term_exchange(vha, NULL, atio, 1);
+#endif
+ } else {
+ if (tgt->tgt_stop) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe05f,
+ "qla_target: Unable to send "
+ "command to target, sending TERM "
+ "EXCHANGE for rsp\n");
+ qlt_send_term_exchange(vha, NULL,
+ atio, 1);
+ } else {
+ ql_dbg(ql_dbg_tgt, vha, 0xe060,
+ "qla_target(%d): Unable to send "
+ "command to target, sending BUSY "
+ "status\n", vha->vp_idx);
+ qlt_send_busy(vha, atio, 0);
+ }
+ }
+ }
+ }
+ break;
+
+ case CONTINUE_TGT_IO_TYPE:
+ {
+ struct ctio_to_2xxx *entry = (struct ctio_to_2xxx *)pkt;
+ ql_dbg(ql_dbg_tgt, vha, 0xe033,
+ "CONTINUE_TGT_IO: instance %d\n", vha->vp_idx);
+ qlt_do_ctio_completion(vha, entry->handle,
+ le16_to_cpu(entry->status)|(pkt->entry_status << 16),
+ entry);
+ break;
+ }
+
+ case CTIO_A64_TYPE:
+ {
+ struct ctio_to_2xxx *entry = (struct ctio_to_2xxx *)pkt;
+ ql_dbg(ql_dbg_tgt, vha, 0xe034, "CTIO_A64: instance %d\n",
+ vha->vp_idx);
+ qlt_do_ctio_completion(vha, entry->handle,
+ le16_to_cpu(entry->status)|(pkt->entry_status << 16),
+ entry);
+ break;
+ }
+
+ case IMMED_NOTIFY_TYPE:
+ ql_dbg(ql_dbg_tgt, vha, 0xe035, "%s", "IMMED_NOTIFY\n");
+ qlt_handle_imm_notify(vha, (struct imm_ntfy_from_isp *)pkt);
+ break;
+
+ case NOTIFY_ACK_TYPE:
+ if (tgt->notify_ack_expected > 0) {
+ struct nack_to_isp *entry = (struct nack_to_isp *)pkt;
+ ql_dbg(ql_dbg_tgt, vha, 0xe036,
+ "NOTIFY_ACK seq %08x status %x\n",
+ le16_to_cpu(entry->u.isp2x.seq_id),
+ le16_to_cpu(entry->u.isp2x.status));
+ tgt->notify_ack_expected--;
+ if (entry->u.isp2x.status !=
+ __constant_cpu_to_le16(NOTIFY_ACK_SUCCESS)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe061,
+ "qla_target(%d): NOTIFY_ACK "
+ "failed %x\n", vha->vp_idx,
+ le16_to_cpu(entry->u.isp2x.status));
+ }
+ } else {
+ ql_dbg(ql_dbg_tgt, vha, 0xe062,
+ "qla_target(%d): Unexpected NOTIFY_ACK received\n",
+ vha->vp_idx);
+ }
+ break;
+
+ case ABTS_RECV_24XX:
+ ql_dbg(ql_dbg_tgt, vha, 0xe037,
+ "ABTS_RECV_24XX: instance %d\n", vha->vp_idx);
+ qlt_24xx_handle_abts(vha, (struct abts_recv_from_24xx *)pkt);
+ break;
+
+ case ABTS_RESP_24XX:
+ if (tgt->abts_resp_expected > 0) {
+ struct abts_resp_from_24xx_fw *entry =
+ (struct abts_resp_from_24xx_fw *)pkt;
+ ql_dbg(ql_dbg_tgt, vha, 0xe038,
+ "ABTS_RESP_24XX: compl_status %x\n",
+ entry->compl_status);
+ tgt->abts_resp_expected--;
+ if (le16_to_cpu(entry->compl_status) !=
+ ABTS_RESP_COMPL_SUCCESS) {
+ if ((entry->error_subcode1 == 0x1E) &&
+ (entry->error_subcode2 == 0)) {
+ /*
+ * We've got a race here: aborted
+ * exchange not terminated, i.e.
+ * response for the aborted command was
+ * sent between the abort request was
+ * received and processed.
+ * Unfortunately, the firmware has a
+ * silly requirement that all aborted
+ * exchanges must be explicitely
+ * terminated, otherwise it refuses to
+ * send responses for the abort
+ * requests. So, we have to
+ * (re)terminate the exchange and retry
+ * the abort response.
+ */
+ qlt_24xx_retry_term_exchange(vha,
+ entry);
+ } else
+ ql_dbg(ql_dbg_tgt, vha, 0xe063,
+ "qla_target(%d): ABTS_RESP_24XX "
+ "failed %x (subcode %x:%x)",
+ vha->vp_idx, entry->compl_status,
+ entry->error_subcode1,
+ entry->error_subcode2);
+ }
+ } else {
+ ql_dbg(ql_dbg_tgt, vha, 0xe064,
+ "qla_target(%d): Unexpected ABTS_RESP_24XX "
+ "received\n", vha->vp_idx);
+ }
+ break;
+
+ default:
+ ql_dbg(ql_dbg_tgt, vha, 0xe065,
+ "qla_target(%d): Received unknown response pkt "
+ "type %x\n", vha->vp_idx, pkt->entry_type);
+ break;
+ }
+
+ tgt->irq_cmd_count--;
+}
+
+/*
+ * ha->hardware_lock supposed to be held on entry. Might drop it, then reaquire
+ */
+void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
+ uint16_t *mailbox)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ int reason_code;
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe039,
+ "scsi(%ld): ha state %d init_done %d oper_mode %d topo %d\n",
+ vha->host_no, atomic_read(&vha->loop_state), vha->flags.init_done,
+ ha->operating_mode, ha->current_topology);
+
+ if (!ha->tgt.tgt_ops)
+ return;
+
+ if (unlikely(tgt == NULL)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe03a,
+ "ASYNC EVENT %#x, but no tgt (ha %p)\n", code, ha);
+ return;
+ }
+
+ if (((code == MBA_POINT_TO_POINT) || (code == MBA_CHG_IN_CONNECTION)) &&
+ IS_QLA2100(ha))
+ return;
+ /*
+ * In tgt_stop mode we also should allow all requests to pass.
+ * Otherwise, some commands can stuck.
+ */
+
+ tgt->irq_cmd_count++;
+
+ switch (code) {
+ case MBA_RESET: /* Reset */
+ case MBA_SYSTEM_ERR: /* System Error */
+ case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
+ case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03a,
+ "qla_target(%d): System error async event %#x "
+ "occured", vha->vp_idx, code);
+ break;
+ case MBA_WAKEUP_THRES: /* Request Queue Wake-up. */
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ break;
+
+ case MBA_LOOP_UP:
+ {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03b,
+ "qla_target(%d): Async LOOP_UP occured "
+ "(m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx,
+ le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
+ le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
+ if (tgt->link_reinit_iocb_pending) {
+ qlt_send_notify_ack(vha, (void *)&tgt->link_reinit_iocb,
+ 0, 0, 0, 0, 0, 0);
+ tgt->link_reinit_iocb_pending = 0;
+ }
+ break;
+ }
+
+ case MBA_LIP_OCCURRED:
+ case MBA_LOOP_DOWN:
+ case MBA_LIP_RESET:
+ case MBA_RSCN_UPDATE:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03c,
+ "qla_target(%d): Async event %#x occured "
+ "(m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx, code,
+ le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
+ le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
+ break;
+
+ case MBA_PORT_UPDATE:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03d,
+ "qla_target(%d): Port update async event %#x "
+ "occured: updating the ports database (m[1]=%x, m[2]=%x, "
+ "m[3]=%x, m[4]=%x)", vha->vp_idx, code,
+ le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
+ le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
+ reason_code = le16_to_cpu(mailbox[2]);
+ if (reason_code == 0x4)
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03e,
+ "Async MB 2: Got PLOGI Complete\n");
+ else if (reason_code == 0x7)
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03f,
+ "Async MB 2: Port Logged Out\n");
+ break;
+
+ default:
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf040,
+ "qla_target(%d): Async event %#x occured: "
+ "ignore (m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx,
+ code, le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
+ le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
+ break;
+ }
+
+ tgt->irq_cmd_count--;
+}
+
+static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha,
+ uint16_t loop_id)
+{
+ fc_port_t *fcport;
+ int rc;
+
+ fcport = kzalloc(sizeof(*fcport), GFP_KERNEL);
+ if (!fcport) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf06f,
+ "qla_target(%d): Allocation of tmp FC port failed",
+ vha->vp_idx);
+ return NULL;
+ }
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf041, "loop_id %d", loop_id);
+
+ fcport->loop_id = loop_id;
+
+ rc = qla2x00_get_port_database(vha, fcport, 0);
+ if (rc != QLA_SUCCESS) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf070,
+ "qla_target(%d): Failed to retrieve fcport "
+ "information -- get_port_database() returned %x "
+ "(loop_id=0x%04x)", vha->vp_idx, rc, loop_id);
+ kfree(fcport);
+ return NULL;
+ }
+
+ return fcport;
+}
+
+/* Must be called under tgt_mutex */
+static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha,
+ uint8_t *s_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess = NULL;
+ fc_port_t *fcport = NULL;
+ int rc, global_resets;
+ uint16_t loop_id = 0;
+
+retry:
+ global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
+
+ rc = qla24xx_get_loop_id(vha, s_id, &loop_id);
+ if (rc != 0) {
+ if ((s_id[0] == 0xFF) &&
+ (s_id[1] == 0xFC)) {
+ /*
+ * This is Domain Controller, so it should be
+ * OK to drop SCSI commands from it.
+ */
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf042,
+ "Unable to find initiator with S_ID %x:%x:%x",
+ s_id[0], s_id[1], s_id[2]);
+ } else
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf071,
+ "qla_target(%d): Unable to find "
+ "initiator with S_ID %x:%x:%x",
+ vha->vp_idx, s_id[0], s_id[1],
+ s_id[2]);
+ return NULL;
+ }
+
+ fcport = qlt_get_port_database(vha, loop_id);
+ if (!fcport)
+ return NULL;
+
+ if (global_resets !=
+ atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf043,
+ "qla_target(%d): global reset during session discovery "
+ "(counter was %d, new %d), retrying", vha->vp_idx,
+ global_resets,
+ atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
+ goto retry;
+ }
+
+ sess = qlt_create_sess(vha, fcport, true);
+
+ kfree(fcport);
+ return sess;
+}
+
+static void qlt_abort_work(struct qla_tgt *tgt,
+ struct qla_tgt_sess_work_param *prm)
+{
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess = NULL;
+ unsigned long flags;
+ uint32_t be_s_id;
+ uint8_t s_id[3];
+ int rc;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ if (tgt->tgt_stop)
+ goto out_term;
+
+ s_id[0] = prm->abts.fcp_hdr_le.s_id[2];
+ s_id[1] = prm->abts.fcp_hdr_le.s_id[1];
+ s_id[2] = prm->abts.fcp_hdr_le.s_id[0];
+
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha,
+ (unsigned char *)&be_s_id);
+ if (!sess) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ mutex_lock(&ha->tgt.tgt_mutex);
+ sess = qlt_make_local_sess(vha, s_id);
+ /* sess has got an extra creation ref */
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (!sess)
+ goto out_term;
+ } else {
+ kref_get(&sess->se_sess->sess_kref);
+ }
+
+ if (tgt->tgt_stop)
+ goto out_term;
+
+ rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess);
+ if (rc != 0)
+ goto out_term;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ha->tgt.tgt_ops->put_sess(sess);
+ return;
+
+out_term:
+ qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+}
+
+static void qlt_tmr_work(struct qla_tgt *tgt,
+ struct qla_tgt_sess_work_param *prm)
+{
+ struct atio_from_isp *a = &prm->tm_iocb2;
+ struct scsi_qla_host *vha = tgt->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt_sess *sess = NULL;
+ unsigned long flags;
+ uint8_t *s_id = NULL; /* to hide compiler warnings */
+ int rc;
+ uint32_t lun, unpacked_lun;
+ int lun_size, fn;
+ void *iocb;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ if (tgt->tgt_stop)
+ goto out_term;
+
+ s_id = prm->tm_iocb2.u.isp24.fcp_hdr.s_id;
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id);
+ if (!sess) {
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ mutex_lock(&ha->tgt.tgt_mutex);
+ sess = qlt_make_local_sess(vha, s_id);
+ /* sess has got an extra creation ref */
+ mutex_unlock(&ha->tgt.tgt_mutex);
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (!sess)
+ goto out_term;
+ } else {
+ kref_get(&sess->se_sess->sess_kref);
+ }
+
+ iocb = a;
+ lun = a->u.isp24.fcp_cmnd.lun;
+ lun_size = sizeof(lun);
+ fn = a->u.isp24.fcp_cmnd.task_mgmt_flags;
+ unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun);
+
+ rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0);
+ if (rc != 0)
+ goto out_term;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ ha->tgt.tgt_ops->put_sess(sess);
+ return;
+
+out_term:
+ qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (sess)
+ ha->tgt.tgt_ops->put_sess(sess);
+}
+
+static void qlt_sess_work_fn(struct work_struct *work)
+{
+ struct qla_tgt *tgt = container_of(work, struct qla_tgt, sess_work);
+ struct scsi_qla_host *vha = tgt->vha;
+ unsigned long flags;
+
+ ql_dbg(ql_dbg_tgt_mgt, vha, 0xf000, "Sess work (tgt %p)", tgt);
+
+ spin_lock_irqsave(&tgt->sess_work_lock, flags);
+ while (!list_empty(&tgt->sess_works_list)) {
+ struct qla_tgt_sess_work_param *prm = list_entry(
+ tgt->sess_works_list.next, typeof(*prm),
+ sess_works_list_entry);
+
+ /*
+ * This work can be scheduled on several CPUs at time, so we
+ * must delete the entry to eliminate double processing
+ */
+ list_del(&prm->sess_works_list_entry);
+
+ spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
+
+ switch (prm->type) {
+ case QLA_TGT_SESS_WORK_ABORT:
+ qlt_abort_work(tgt, prm);
+ break;
+ case QLA_TGT_SESS_WORK_TM:
+ qlt_tmr_work(tgt, prm);
+ break;
+ default:
+ BUG_ON(1);
+ break;
+ }
+
+ spin_lock_irqsave(&tgt->sess_work_lock, flags);
+
+ kfree(prm);
+ }
+ spin_unlock_irqrestore(&tgt->sess_work_lock, flags);
+}
+
+/* Must be called under tgt_host_action_mutex */
+int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
+{
+ struct qla_tgt *tgt;
+
+ if (!QLA_TGT_MODE_ENABLED())
+ return 0;
+
+ ql_dbg(ql_dbg_tgt, base_vha, 0xe03b,
+ "Registering target for host %ld(%p)", base_vha->host_no, ha);
+
+ BUG_ON((ha->tgt.qla_tgt != NULL) || (ha->tgt.tgt_ops != NULL));
+
+ tgt = kzalloc(sizeof(struct qla_tgt), GFP_KERNEL);
+ if (!tgt) {
+ ql_dbg(ql_dbg_tgt, base_vha, 0xe066,
+ "Unable to allocate struct qla_tgt\n");
+ return -ENOMEM;
+ }
+
+ if (!(base_vha->host->hostt->supported_mode & MODE_TARGET))
+ base_vha->host->hostt->supported_mode |= MODE_TARGET;
+
+ tgt->ha = ha;
+ tgt->vha = base_vha;
+ init_waitqueue_head(&tgt->waitQ);
+ INIT_LIST_HEAD(&tgt->sess_list);
+ INIT_LIST_HEAD(&tgt->del_sess_list);
+ INIT_DELAYED_WORK(&tgt->sess_del_work,
+ (void (*)(struct work_struct *))qlt_del_sess_work_fn);
+ spin_lock_init(&tgt->sess_work_lock);
+ INIT_WORK(&tgt->sess_work, qlt_sess_work_fn);
+ INIT_LIST_HEAD(&tgt->sess_works_list);
+ spin_lock_init(&tgt->srr_lock);
+ INIT_LIST_HEAD(&tgt->srr_ctio_list);
+ INIT_LIST_HEAD(&tgt->srr_imm_list);
+ INIT_WORK(&tgt->srr_work, qlt_handle_srr_work);
+ atomic_set(&tgt->tgt_global_resets_count, 0);
+
+ ha->tgt.qla_tgt = tgt;
+
+ ql_dbg(ql_dbg_tgt, base_vha, 0xe067,
+ "qla_target(%d): using 64 Bit PCI addressing",
+ base_vha->vp_idx);
+ tgt->tgt_enable_64bit_addr = 1;
+ /* 3 is reserved */
+ tgt->sg_tablesize = QLA_TGT_MAX_SG_24XX(base_vha->req->length - 3);
+ tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX;
+ tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX;
+
+ mutex_lock(&qla_tgt_mutex);
+ list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist);
+ mutex_unlock(&qla_tgt_mutex);
+
+ return 0;
+}
+
+/* Must be called under tgt_host_action_mutex */
+int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
+{
+ if (!ha->tgt.qla_tgt)
+ return 0;
+
+ mutex_lock(&qla_tgt_mutex);
+ list_del(&ha->tgt.qla_tgt->tgt_list_entry);
+ mutex_unlock(&qla_tgt_mutex);
+
+ ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)",
+ vha->host_no, ha);
+ qlt_release(ha->tgt.qla_tgt);
+
+ return 0;
+}
+
+static void qlt_lport_dump(struct scsi_qla_host *vha, u64 wwpn,
+ unsigned char *b)
+{
+ int i;
+
+ pr_debug("qla2xxx HW vha->node_name: ");
+ for (i = 0; i < WWN_SIZE; i++)
+ pr_debug("%02x ", vha->node_name[i]);
+ pr_debug("\n");
+ pr_debug("qla2xxx HW vha->port_name: ");
+ for (i = 0; i < WWN_SIZE; i++)
+ pr_debug("%02x ", vha->port_name[i]);
+ pr_debug("\n");
+
+ pr_debug("qla2xxx passed configfs WWPN: ");
+ put_unaligned_be64(wwpn, b);
+ for (i = 0; i < WWN_SIZE; i++)
+ pr_debug("%02x ", b[i]);
+ pr_debug("\n");
+}
+
+/**
+ * qla_tgt_lport_register - register lport with external module
+ *
+ * @qla_tgt_ops: Pointer for tcm_qla2xxx qla_tgt_ops
+ * @wwpn: Passwd FC target WWPN
+ * @callback: lport initialization callback for tcm_qla2xxx code
+ * @target_lport_ptr: pointer for tcm_qla2xxx specific lport data
+ */
+int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
+ int (*callback)(struct scsi_qla_host *), void *target_lport_ptr)
+{
+ struct qla_tgt *tgt;
+ struct scsi_qla_host *vha;
+ struct qla_hw_data *ha;
+ struct Scsi_Host *host;
+ unsigned long flags;
+ int rc;
+ u8 b[WWN_SIZE];
+
+ mutex_lock(&qla_tgt_mutex);
+ list_for_each_entry(tgt, &qla_tgt_glist, tgt_list_entry) {
+ vha = tgt->vha;
+ ha = vha->hw;
+
+ host = vha->host;
+ if (!host)
+ continue;
+
+ if (ha->tgt.tgt_ops != NULL)
+ continue;
+
+ if (!(host->hostt->supported_mode & MODE_TARGET))
+ continue;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ if (host->active_mode & MODE_TARGET) {
+ pr_debug("MODE_TARGET already active on qla2xxx(%d)\n",
+ host->host_no);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ continue;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ if (!scsi_host_get(host)) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe068,
+ "Unable to scsi_host_get() for"
+ " qla2xxx scsi_host\n");
+ continue;
+ }
+ qlt_lport_dump(vha, wwpn, b);
+
+ if (memcmp(vha->port_name, b, WWN_SIZE)) {
+ scsi_host_put(host);
+ continue;
+ }
+ /*
+ * Setup passed parameters ahead of invoking callback
+ */
+ ha->tgt.tgt_ops = qla_tgt_ops;
+ ha->tgt.target_lport_ptr = target_lport_ptr;
+ rc = (*callback)(vha);
+ if (rc != 0) {
+ ha->tgt.tgt_ops = NULL;
+ ha->tgt.target_lport_ptr = NULL;
+ }
+ mutex_unlock(&qla_tgt_mutex);
+ return rc;
+ }
+ mutex_unlock(&qla_tgt_mutex);
+
+ return -ENODEV;
+}
+EXPORT_SYMBOL(qlt_lport_register);
+
+/**
+ * qla_tgt_lport_deregister - Degister lport
+ *
+ * @vha: Registered scsi_qla_host pointer
+ */
+void qlt_lport_deregister(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct Scsi_Host *sh = vha->host;
+ /*
+ * Clear the target_lport_ptr qla_target_template pointer in qla_hw_data
+ */
+ ha->tgt.target_lport_ptr = NULL;
+ ha->tgt.tgt_ops = NULL;
+ /*
+ * Release the Scsi_Host reference for the underlying qla2xxx host
+ */
+ scsi_host_put(sh);
+}
+EXPORT_SYMBOL(qlt_lport_deregister);
+
+/* Must be called under HW lock */
+void qlt_set_mode(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ switch (ql2x_ini_mode) {
+ case QLA2XXX_INI_MODE_DISABLED:
+ case QLA2XXX_INI_MODE_EXCLUSIVE:
+ vha->host->active_mode = MODE_TARGET;
+ break;
+ case QLA2XXX_INI_MODE_ENABLED:
+ vha->host->active_mode |= MODE_TARGET;
+ break;
+ default:
+ break;
+ }
+
+ if (ha->tgt.ini_mode_force_reverse)
+ qla_reverse_ini_mode(vha);
+}
+
+/* Must be called under HW lock */
+void qlt_clear_mode(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ switch (ql2x_ini_mode) {
+ case QLA2XXX_INI_MODE_DISABLED:
+ vha->host->active_mode = MODE_UNKNOWN;
+ break;
+ case QLA2XXX_INI_MODE_EXCLUSIVE:
+ vha->host->active_mode = MODE_INITIATOR;
+ break;
+ case QLA2XXX_INI_MODE_ENABLED:
+ vha->host->active_mode &= ~MODE_TARGET;
+ break;
+ default:
+ break;
+ }
+
+ if (ha->tgt.ini_mode_force_reverse)
+ qla_reverse_ini_mode(vha);
+}
+
+/*
+ * qla_tgt_enable_vha - NO LOCK HELD
+ *
+ * host_reset, bring up w/ Target Mode Enabled
+ */
+void
+qlt_enable_vha(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ unsigned long flags;
+
+ if (!tgt) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe069,
+ "Unable to locate qla_tgt pointer from"
+ " struct qla_hw_data\n");
+ dump_stack();
+ return;
+ }
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ tgt->tgt_stopped = 0;
+ qlt_set_mode(vha);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_hba_online(vha);
+}
+EXPORT_SYMBOL(qlt_enable_vha);
+
+/*
+ * qla_tgt_disable_vha - NO LOCK HELD
+ *
+ * Disable Target Mode and reset the adapter
+ */
+void
+qlt_disable_vha(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct qla_tgt *tgt = ha->tgt.qla_tgt;
+ unsigned long flags;
+
+ if (!tgt) {
+ ql_dbg(ql_dbg_tgt, vha, 0xe06a,
+ "Unable to locate qla_tgt pointer from"
+ " struct qla_hw_data\n");
+ dump_stack();
+ return;
+ }
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ qlt_clear_mode(vha);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ qla2x00_wait_for_hba_online(vha);
+}
+
+/*
+ * Called from qla_init.c:qla24xx_vport_create() contex to setup
+ * the target mode specific struct scsi_qla_host and struct qla_hw_data
+ * members.
+ */
+void
+qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
+{
+ if (!qla_tgt_mode_enabled(vha))
+ return;
+
+ mutex_init(&ha->tgt.tgt_mutex);
+ mutex_init(&ha->tgt.tgt_host_action_mutex);
+
+ qlt_clear_mode(vha);
+
+ /*
+ * NOTE: Currently the value is kept the same for <24xx and
+ * >=24xx ISPs. If it is necessary to change it,
+ * the check should be added for specific ISPs,
+ * assigning the value appropriately.
+ */
+ ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
+}
+
+void
+qlt_rff_id(struct scsi_qla_host *vha, struct ct_sns_req *ct_req)
+{
+ /*
+ * FC-4 Feature bit 0 indicates target functionality to the name server.
+ */
+ if (qla_tgt_mode_enabled(vha)) {
+ if (qla_ini_mode_enabled(vha))
+ ct_req->req.rff_id.fc4_feature = BIT_0 | BIT_1;
+ else
+ ct_req->req.rff_id.fc4_feature = BIT_0;
+ } else if (qla_ini_mode_enabled(vha)) {
+ ct_req->req.rff_id.fc4_feature = BIT_1;
+ }
+}
+
+/*
+ * qlt_init_atio_q_entries() - Initializes ATIO queue entries.
+ * @ha: HA context
+ *
+ * Beginning of ATIO ring has initialization control block already built
+ * by nvram config routine.
+ *
+ * Returns 0 on success.
+ */
+void
+qlt_init_atio_q_entries(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ uint16_t cnt;
+ struct atio_from_isp *pkt = (struct atio_from_isp *)ha->tgt.atio_ring;
+
+ if (!qla_tgt_mode_enabled(vha))
+ return;
+
+ for (cnt = 0; cnt < ha->tgt.atio_q_length; cnt++) {
+ pkt->u.raw.signature = ATIO_PROCESSED;
+ pkt++;
+ }
+
+}
+
+/*
+ * qlt_24xx_process_atio_queue() - Process ATIO queue entries.
+ * @ha: SCSI driver HA context
+ */
+void
+qlt_24xx_process_atio_queue(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+ struct atio_from_isp *pkt;
+ int cnt, i;
+
+ if (!vha->flags.online)
+ return;
+
+ while (ha->tgt.atio_ring_ptr->signature != ATIO_PROCESSED) {
+ pkt = (struct atio_from_isp *)ha->tgt.atio_ring_ptr;
+ cnt = pkt->u.raw.entry_count;
+
+ qlt_24xx_atio_pkt_all_vps(vha, (struct atio_from_isp *)pkt);
+
+ for (i = 0; i < cnt; i++) {
+ ha->tgt.atio_ring_index++;
+ if (ha->tgt.atio_ring_index == ha->tgt.atio_q_length) {
+ ha->tgt.atio_ring_index = 0;
+ ha->tgt.atio_ring_ptr = ha->tgt.atio_ring;
+ } else
+ ha->tgt.atio_ring_ptr++;
+
+ pkt->u.raw.signature = ATIO_PROCESSED;
+ pkt = (struct atio_from_isp *)ha->tgt.atio_ring_ptr;
+ }
+ wmb();
+ }
+
+ /* Adjust ring index */
+ WRT_REG_DWORD(&reg->atio_q_out, ha->tgt.atio_ring_index);
+}
+
+void
+qlt_24xx_config_rings(struct scsi_qla_host *vha, device_reg_t __iomem *reg)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+/* FIXME: atio_q in/out for ha->mqenable=1..? */
+ if (ha->mqenable) {
+#if 0
+ WRT_REG_DWORD(&reg->isp25mq.atio_q_in, 0);
+ WRT_REG_DWORD(&reg->isp25mq.atio_q_out, 0);
+ RD_REG_DWORD(&reg->isp25mq.atio_q_out);
+#endif
+ } else {
+ /* Setup APTIO registers for target mode */
+ WRT_REG_DWORD(&reg->isp24.atio_q_in, 0);
+ WRT_REG_DWORD(&reg->isp24.atio_q_out, 0);
+ RD_REG_DWORD(&reg->isp24.atio_q_out);
+ }
+}
+
+void
+qlt_24xx_config_nvram_stage1(struct scsi_qla_host *vha, struct nvram_24xx *nv)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (qla_tgt_mode_enabled(vha)) {
+ if (!ha->tgt.saved_set) {
+ /* We save only once */
+ ha->tgt.saved_exchange_count = nv->exchange_count;
+ ha->tgt.saved_firmware_options_1 =
+ nv->firmware_options_1;
+ ha->tgt.saved_firmware_options_2 =
+ nv->firmware_options_2;
+ ha->tgt.saved_firmware_options_3 =
+ nv->firmware_options_3;
+ ha->tgt.saved_set = 1;
+ }
+
+ nv->exchange_count = __constant_cpu_to_le16(0xFFFF);
+
+ /* Enable target mode */
+ nv->firmware_options_1 |= __constant_cpu_to_le32(BIT_4);
+
+ /* Disable ini mode, if requested */
+ if (!qla_ini_mode_enabled(vha))
+ nv->firmware_options_1 |= __constant_cpu_to_le32(BIT_5);
+
+ /* Disable Full Login after LIP */
+ nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_13);
+ /* Enable initial LIP */
+ nv->firmware_options_1 &= __constant_cpu_to_le32(~BIT_9);
+ /* Enable FC tapes support */
+ nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
+ /* Disable Full Login after LIP */
+ nv->host_p &= __constant_cpu_to_le32(~BIT_10);
+ /* Enable target PRLI control */
+ nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_14);
+ } else {
+ if (ha->tgt.saved_set) {
+ nv->exchange_count = ha->tgt.saved_exchange_count;
+ nv->firmware_options_1 =
+ ha->tgt.saved_firmware_options_1;
+ nv->firmware_options_2 =
+ ha->tgt.saved_firmware_options_2;
+ nv->firmware_options_3 =
+ ha->tgt.saved_firmware_options_3;
+ }
+ return;
+ }
+
+ /* out-of-order frames reassembly */
+ nv->firmware_options_3 |= BIT_6|BIT_9;
+
+ if (ha->tgt.enable_class_2) {
+ if (vha->flags.init_done)
+ fc_host_supported_classes(vha->host) =
+ FC_COS_CLASS2 | FC_COS_CLASS3;
+
+ nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_8);
+ } else {
+ if (vha->flags.init_done)
+ fc_host_supported_classes(vha->host) = FC_COS_CLASS3;
+
+ nv->firmware_options_2 &= ~__constant_cpu_to_le32(BIT_8);
+ }
+}
+
+void
+qlt_24xx_config_nvram_stage2(struct scsi_qla_host *vha,
+ struct init_cb_24xx *icb)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ if (ha->tgt.node_name_set) {
+ memcpy(icb->node_name, ha->tgt.tgt_node_name, WWN_SIZE);
+ icb->firmware_options_1 |= __constant_cpu_to_le32(BIT_14);
+ }
+}
+
+int
+qlt_24xx_process_response_error(struct scsi_qla_host *vha,
+ struct sts_entry_24xx *pkt)
+{
+ switch (pkt->entry_type) {
+ case ABTS_RECV_24XX:
+ case ABTS_RESP_24XX:
+ case CTIO_TYPE7:
+ case NOTIFY_ACK_TYPE:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+void
+qlt_modify_vp_config(struct scsi_qla_host *vha,
+ struct vp_config_entry_24xx *vpmod)
+{
+ if (qla_tgt_mode_enabled(vha))
+ vpmod->options_idx1 &= ~BIT_5;
+ /* Disable ini mode, if requested */
+ if (!qla_ini_mode_enabled(vha))
+ vpmod->options_idx1 &= ~BIT_4;
+}
+
+void
+qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
+{
+ if (!QLA_TGT_MODE_ENABLED())
+ return;
+
+ mutex_init(&ha->tgt.tgt_mutex);
+ mutex_init(&ha->tgt.tgt_host_action_mutex);
+ qlt_clear_mode(base_vha);
+}
+
+int
+qlt_mem_alloc(struct qla_hw_data *ha)
+{
+ if (!QLA_TGT_MODE_ENABLED())
+ return 0;
+
+ ha->tgt.tgt_vp_map = kzalloc(sizeof(struct qla_tgt_vp_map) *
+ MAX_MULTI_ID_FABRIC, GFP_KERNEL);
+ if (!ha->tgt.tgt_vp_map)
+ return -ENOMEM;
+
+ ha->tgt.atio_ring = dma_alloc_coherent(&ha->pdev->dev,
+ (ha->tgt.atio_q_length + 1) * sizeof(struct atio_from_isp),
+ &ha->tgt.atio_dma, GFP_KERNEL);
+ if (!ha->tgt.atio_ring) {
+ kfree(ha->tgt.tgt_vp_map);
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+void
+qlt_mem_free(struct qla_hw_data *ha)
+{
+ if (!QLA_TGT_MODE_ENABLED())
+ return;
+
+ if (ha->tgt.atio_ring) {
+ dma_free_coherent(&ha->pdev->dev, (ha->tgt.atio_q_length + 1) *
+ sizeof(struct atio_from_isp), ha->tgt.atio_ring,
+ ha->tgt.atio_dma);
+ }
+ kfree(ha->tgt.tgt_vp_map);
+}
+
+/* vport_slock to be held by the caller */
+void
+qlt_update_vp_map(struct scsi_qla_host *vha, int cmd)
+{
+ if (!QLA_TGT_MODE_ENABLED())
+ return;
+
+ switch (cmd) {
+ case SET_VP_IDX:
+ vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = vha;
+ break;
+ case SET_AL_PA:
+ vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = vha->vp_idx;
+ break;
+ case RESET_VP_IDX:
+ vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = NULL;
+ break;
+ case RESET_AL_PA:
+ vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = 0;
+ break;
+ }
+}
+
+static int __init qlt_parse_ini_mode(void)
+{
+ if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_EXCLUSIVE) == 0)
+ ql2x_ini_mode = QLA2XXX_INI_MODE_EXCLUSIVE;
+ else if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_DISABLED) == 0)
+ ql2x_ini_mode = QLA2XXX_INI_MODE_DISABLED;
+ else if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_ENABLED) == 0)
+ ql2x_ini_mode = QLA2XXX_INI_MODE_ENABLED;
+ else
+ return false;
+
+ return true;
+}
+
+int __init qlt_init(void)
+{
+ int ret;
+
+ if (!qlt_parse_ini_mode()) {
+ ql_log(ql_log_fatal, NULL, 0xe06b,
+ "qlt_parse_ini_mode() failed\n");
+ return -EINVAL;
+ }
+
+ if (!QLA_TGT_MODE_ENABLED())
+ return 0;
+
+ qla_tgt_cmd_cachep = kmem_cache_create("qla_tgt_cmd_cachep",
+ sizeof(struct qla_tgt_cmd), __alignof__(struct qla_tgt_cmd), 0,
+ NULL);
+ if (!qla_tgt_cmd_cachep) {
+ ql_log(ql_log_fatal, NULL, 0xe06c,
+ "kmem_cache_create for qla_tgt_cmd_cachep failed\n");
+ return -ENOMEM;
+ }
+
+ qla_tgt_mgmt_cmd_cachep = kmem_cache_create("qla_tgt_mgmt_cmd_cachep",
+ sizeof(struct qla_tgt_mgmt_cmd), __alignof__(struct
+ qla_tgt_mgmt_cmd), 0, NULL);
+ if (!qla_tgt_mgmt_cmd_cachep) {
+ ql_log(ql_log_fatal, NULL, 0xe06d,
+ "kmem_cache_create for qla_tgt_mgmt_cmd_cachep failed\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ qla_tgt_mgmt_cmd_mempool = mempool_create(25, mempool_alloc_slab,
+ mempool_free_slab, qla_tgt_mgmt_cmd_cachep);
+ if (!qla_tgt_mgmt_cmd_mempool) {
+ ql_log(ql_log_fatal, NULL, 0xe06e,
+ "mempool_create for qla_tgt_mgmt_cmd_mempool failed\n");
+ ret = -ENOMEM;
+ goto out_mgmt_cmd_cachep;
+ }
+
+ qla_tgt_wq = alloc_workqueue("qla_tgt_wq", 0, 0);
+ if (!qla_tgt_wq) {
+ ql_log(ql_log_fatal, NULL, 0xe06f,
+ "alloc_workqueue for qla_tgt_wq failed\n");
+ ret = -ENOMEM;
+ goto out_cmd_mempool;
+ }
+ /*
+ * Return 1 to signal that initiator-mode is being disabled
+ */
+ return (ql2x_ini_mode == QLA2XXX_INI_MODE_DISABLED) ? 1 : 0;
+
+out_cmd_mempool:
+ mempool_destroy(qla_tgt_mgmt_cmd_mempool);
+out_mgmt_cmd_cachep:
+ kmem_cache_destroy(qla_tgt_mgmt_cmd_cachep);
+out:
+ kmem_cache_destroy(qla_tgt_cmd_cachep);
+ return ret;
+}
+
+void qlt_exit(void)
+{
+ if (!QLA_TGT_MODE_ENABLED())
+ return;
+
+ destroy_workqueue(qla_tgt_wq);
+ mempool_destroy(qla_tgt_mgmt_cmd_mempool);
+ kmem_cache_destroy(qla_tgt_mgmt_cmd_cachep);
+ kmem_cache_destroy(qla_tgt_cmd_cachep);
+}
diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h
new file mode 100644
index 00000000000..9ec19bc2f0f
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_target.h
@@ -0,0 +1,1005 @@
+/*
+ * Copyright (C) 2004 - 2010 Vladislav Bolkhovitin <vst@vlnb.net>
+ * Copyright (C) 2004 - 2005 Leonid Stoljar
+ * Copyright (C) 2006 Nathaniel Clark <nate@misrule.us>
+ * Copyright (C) 2007 - 2010 ID7 Ltd.
+ *
+ * Forward port and refactoring to modern qla2xxx and target/configfs
+ *
+ * Copyright (C) 2010-2011 Nicholas A. Bellinger <nab@kernel.org>
+ *
+ * Additional file for the target driver support.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+/*
+ * This is the global def file that is useful for including from the
+ * target portion.
+ */
+
+#ifndef __QLA_TARGET_H
+#define __QLA_TARGET_H
+
+#include "qla_def.h"
+
+/*
+ * Must be changed on any change in any initiator visible interfaces or
+ * data in the target add-on
+ */
+#define QLA2XXX_TARGET_MAGIC 269
+
+/*
+ * Must be changed on any change in any target visible interfaces or
+ * data in the initiator
+ */
+#define QLA2XXX_INITIATOR_MAGIC 57222
+
+#define QLA2XXX_INI_MODE_STR_EXCLUSIVE "exclusive"
+#define QLA2XXX_INI_MODE_STR_DISABLED "disabled"
+#define QLA2XXX_INI_MODE_STR_ENABLED "enabled"
+
+#define QLA2XXX_INI_MODE_EXCLUSIVE 0
+#define QLA2XXX_INI_MODE_DISABLED 1
+#define QLA2XXX_INI_MODE_ENABLED 2
+
+#define QLA2XXX_COMMAND_COUNT_INIT 250
+#define QLA2XXX_IMMED_NOTIFY_COUNT_INIT 250
+
+/*
+ * Used to mark which completion handles (for RIO Status's) are for CTIO's
+ * vs. regular (non-target) info. This is checked for in
+ * qla2x00_process_response_queue() to see if a handle coming back in a
+ * multi-complete should come to the tgt driver or be handled there by qla2xxx
+ */
+#define CTIO_COMPLETION_HANDLE_MARK BIT_29
+#if (CTIO_COMPLETION_HANDLE_MARK <= MAX_OUTSTANDING_COMMANDS)
+#error "CTIO_COMPLETION_HANDLE_MARK not larger than MAX_OUTSTANDING_COMMANDS"
+#endif
+#define HANDLE_IS_CTIO_COMP(h) (h & CTIO_COMPLETION_HANDLE_MARK)
+
+/* Used to mark CTIO as intermediate */
+#define CTIO_INTERMEDIATE_HANDLE_MARK BIT_30
+
+#ifndef OF_SS_MODE_0
+/*
+ * ISP target entries - Flags bit definitions.
+ */
+#define OF_SS_MODE_0 0
+#define OF_SS_MODE_1 1
+#define OF_SS_MODE_2 2
+#define OF_SS_MODE_3 3
+
+#define OF_EXPL_CONF BIT_5 /* Explicit Confirmation Requested */
+#define OF_DATA_IN BIT_6 /* Data in to initiator */
+ /* (data from target to initiator) */
+#define OF_DATA_OUT BIT_7 /* Data out from initiator */
+ /* (data from initiator to target) */
+#define OF_NO_DATA (BIT_7 | BIT_6)
+#define OF_INC_RC BIT_8 /* Increment command resource count */
+#define OF_FAST_POST BIT_9 /* Enable mailbox fast posting. */
+#define OF_CONF_REQ BIT_13 /* Confirmation Requested */
+#define OF_TERM_EXCH BIT_14 /* Terminate exchange */
+#define OF_SSTS BIT_15 /* Send SCSI status */
+#endif
+
+#ifndef QLA_TGT_DATASEGS_PER_CMD32
+#define QLA_TGT_DATASEGS_PER_CMD32 3
+#define QLA_TGT_DATASEGS_PER_CONT32 7
+#define QLA_TGT_MAX_SG32(ql) \
+ (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD32 + \
+ QLA_TGT_DATASEGS_PER_CONT32*((ql) - 1)) : 0)
+
+#define QLA_TGT_DATASEGS_PER_CMD64 2
+#define QLA_TGT_DATASEGS_PER_CONT64 5
+#define QLA_TGT_MAX_SG64(ql) \
+ (((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD64 + \
+ QLA_TGT_DATASEGS_PER_CONT64*((ql) - 1)) : 0)
+#endif
+
+#ifndef QLA_TGT_DATASEGS_PER_CMD_24XX
+#define QLA_TGT_DATASEGS_PER_CMD_24XX 1
+#define QLA_TGT_DATASEGS_PER_CONT_24XX 5
+#define QLA_TGT_MAX_SG_24XX(ql) \
+ (min(1270, ((ql) > 0) ? (QLA_TGT_DATASEGS_PER_CMD_24XX + \
+ QLA_TGT_DATASEGS_PER_CONT_24XX*((ql) - 1)) : 0))
+#endif
+#endif
+
+#define GET_TARGET_ID(ha, iocb) ((HAS_EXTENDED_IDS(ha)) \
+ ? le16_to_cpu((iocb)->u.isp2x.target.extended) \
+ : (uint16_t)(iocb)->u.isp2x.target.id.standard)
+
+#ifndef IMMED_NOTIFY_TYPE
+#define IMMED_NOTIFY_TYPE 0x0D /* Immediate notify entry. */
+/*
+ * ISP queue - immediate notify entry structure definition.
+ * This is sent by the ISP to the Target driver.
+ * This IOCB would have report of events sent by the
+ * initiator, that needs to be handled by the target
+ * driver immediately.
+ */
+struct imm_ntfy_from_isp {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ union {
+ struct {
+ uint32_t sys_define_2; /* System defined. */
+ target_id_t target;
+ uint16_t lun;
+ uint8_t target_id;
+ uint8_t reserved_1;
+ uint16_t status_modifier;
+ uint16_t status;
+ uint16_t task_flags;
+ uint16_t seq_id;
+ uint16_t srr_rx_id;
+ uint32_t srr_rel_offs;
+ uint16_t srr_ui;
+#define SRR_IU_DATA_IN 0x1
+#define SRR_IU_DATA_OUT 0x5
+#define SRR_IU_STATUS 0x7
+ uint16_t srr_ox_id;
+ uint8_t reserved_2[28];
+ } isp2x;
+ struct {
+ uint32_t reserved;
+ uint16_t nport_handle;
+ uint16_t reserved_2;
+ uint16_t flags;
+#define NOTIFY24XX_FLAGS_GLOBAL_TPRLO BIT_1
+#define NOTIFY24XX_FLAGS_PUREX_IOCB BIT_0
+ uint16_t srr_rx_id;
+ uint16_t status;
+ uint8_t status_subcode;
+ uint8_t reserved_3;
+ uint32_t exchange_address;
+ uint32_t srr_rel_offs;
+ uint16_t srr_ui;
+ uint16_t srr_ox_id;
+ uint8_t reserved_4[19];
+ uint8_t vp_index;
+ uint32_t reserved_5;
+ uint8_t port_id[3];
+ uint8_t reserved_6;
+ } isp24;
+ } u;
+ uint16_t reserved_7;
+ uint16_t ox_id;
+} __packed;
+#endif
+
+#ifndef NOTIFY_ACK_TYPE
+#define NOTIFY_ACK_TYPE 0x0E /* Notify acknowledge entry. */
+/*
+ * ISP queue - notify acknowledge entry structure definition.
+ * This is sent to the ISP from the target driver.
+ */
+struct nack_to_isp {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ union {
+ struct {
+ uint32_t sys_define_2; /* System defined. */
+ target_id_t target;
+ uint8_t target_id;
+ uint8_t reserved_1;
+ uint16_t flags;
+ uint16_t resp_code;
+ uint16_t status;
+ uint16_t task_flags;
+ uint16_t seq_id;
+ uint16_t srr_rx_id;
+ uint32_t srr_rel_offs;
+ uint16_t srr_ui;
+ uint16_t srr_flags;
+ uint16_t srr_reject_code;
+ uint8_t srr_reject_vendor_uniq;
+ uint8_t srr_reject_code_expl;
+ uint8_t reserved_2[24];
+ } isp2x;
+ struct {
+ uint32_t handle;
+ uint16_t nport_handle;
+ uint16_t reserved_1;
+ uint16_t flags;
+ uint16_t srr_rx_id;
+ uint16_t status;
+ uint8_t status_subcode;
+ uint8_t reserved_3;
+ uint32_t exchange_address;
+ uint32_t srr_rel_offs;
+ uint16_t srr_ui;
+ uint16_t srr_flags;
+ uint8_t reserved_4[19];
+ uint8_t vp_index;
+ uint8_t srr_reject_vendor_uniq;
+ uint8_t srr_reject_code_expl;
+ uint8_t srr_reject_code;
+ uint8_t reserved_5[5];
+ } isp24;
+ } u;
+ uint8_t reserved[2];
+ uint16_t ox_id;
+} __packed;
+#define NOTIFY_ACK_SRR_FLAGS_ACCEPT 0
+#define NOTIFY_ACK_SRR_FLAGS_REJECT 1
+
+#define NOTIFY_ACK_SRR_REJECT_REASON_UNABLE_TO_PERFORM 0x9
+
+#define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_NO_EXPL 0
+#define NOTIFY_ACK_SRR_FLAGS_REJECT_EXPL_UNABLE_TO_SUPPLY_DATA 0x2a
+
+#define NOTIFY_ACK_SUCCESS 0x01
+#endif
+
+#ifndef ACCEPT_TGT_IO_TYPE
+#define ACCEPT_TGT_IO_TYPE 0x16 /* Accept target I/O entry. */
+#endif
+
+#ifndef CONTINUE_TGT_IO_TYPE
+#define CONTINUE_TGT_IO_TYPE 0x17
+/*
+ * ISP queue - Continue Target I/O (CTIO) entry for status mode 0 structure.
+ * This structure is sent to the ISP 2xxx from target driver.
+ */
+struct ctio_to_2xxx {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle; /* System defined handle */
+ target_id_t target;
+ uint16_t rx_id;
+ uint16_t flags;
+ uint16_t status;
+ uint16_t timeout; /* 0 = 30 seconds, 0xFFFF = disable */
+ uint16_t dseg_count; /* Data segment count. */
+ uint32_t relative_offset;
+ uint32_t residual;
+ uint16_t reserved_1[3];
+ uint16_t scsi_status;
+ uint32_t transfer_length;
+ uint32_t dseg_0_address; /* Data segment 0 address. */
+ uint32_t dseg_0_length; /* Data segment 0 length. */
+ uint32_t dseg_1_address; /* Data segment 1 address. */
+ uint32_t dseg_1_length; /* Data segment 1 length. */
+ uint32_t dseg_2_address; /* Data segment 2 address. */
+ uint32_t dseg_2_length; /* Data segment 2 length. */
+} __packed;
+#define ATIO_PATH_INVALID 0x07
+#define ATIO_CANT_PROV_CAP 0x16
+#define ATIO_CDB_VALID 0x3D
+
+#define ATIO_EXEC_READ BIT_1
+#define ATIO_EXEC_WRITE BIT_0
+#endif
+
+#ifndef CTIO_A64_TYPE
+#define CTIO_A64_TYPE 0x1F
+#define CTIO_SUCCESS 0x01
+#define CTIO_ABORTED 0x02
+#define CTIO_INVALID_RX_ID 0x08
+#define CTIO_TIMEOUT 0x0B
+#define CTIO_LIP_RESET 0x0E
+#define CTIO_TARGET_RESET 0x17
+#define CTIO_PORT_UNAVAILABLE 0x28
+#define CTIO_PORT_LOGGED_OUT 0x29
+#define CTIO_PORT_CONF_CHANGED 0x2A
+#define CTIO_SRR_RECEIVED 0x45
+#endif
+
+#ifndef CTIO_RET_TYPE
+#define CTIO_RET_TYPE 0x17 /* CTIO return entry */
+#define ATIO_TYPE7 0x06 /* Accept target I/O entry for 24xx */
+
+struct fcp_hdr {
+ uint8_t r_ctl;
+ uint8_t d_id[3];
+ uint8_t cs_ctl;
+ uint8_t s_id[3];
+ uint8_t type;
+ uint8_t f_ctl[3];
+ uint8_t seq_id;
+ uint8_t df_ctl;
+ uint16_t seq_cnt;
+ uint16_t ox_id;
+ uint16_t rx_id;
+ uint32_t parameter;
+} __packed;
+
+struct fcp_hdr_le {
+ uint8_t d_id[3];
+ uint8_t r_ctl;
+ uint8_t s_id[3];
+ uint8_t cs_ctl;
+ uint8_t f_ctl[3];
+ uint8_t type;
+ uint16_t seq_cnt;
+ uint8_t df_ctl;
+ uint8_t seq_id;
+ uint16_t rx_id;
+ uint16_t ox_id;
+ uint32_t parameter;
+} __packed;
+
+#define F_CTL_EXCH_CONTEXT_RESP BIT_23
+#define F_CTL_SEQ_CONTEXT_RESIP BIT_22
+#define F_CTL_LAST_SEQ BIT_20
+#define F_CTL_END_SEQ BIT_19
+#define F_CTL_SEQ_INITIATIVE BIT_16
+
+#define R_CTL_BASIC_LINK_SERV 0x80
+#define R_CTL_B_ACC 0x4
+#define R_CTL_B_RJT 0x5
+
+struct atio7_fcp_cmnd {
+ uint64_t lun;
+ uint8_t cmnd_ref;
+ uint8_t task_attr:3;
+ uint8_t reserved:5;
+ uint8_t task_mgmt_flags;
+#define FCP_CMND_TASK_MGMT_CLEAR_ACA 6
+#define FCP_CMND_TASK_MGMT_TARGET_RESET 5
+#define FCP_CMND_TASK_MGMT_LU_RESET 4
+#define FCP_CMND_TASK_MGMT_CLEAR_TASK_SET 2
+#define FCP_CMND_TASK_MGMT_ABORT_TASK_SET 1
+ uint8_t wrdata:1;
+ uint8_t rddata:1;
+ uint8_t add_cdb_len:6;
+ uint8_t cdb[16];
+ /*
+ * add_cdb is optional and can absent from struct atio7_fcp_cmnd. Size 4
+ * only to make sizeof(struct atio7_fcp_cmnd) be as expected by
+ * BUILD_BUG_ON in qlt_init().
+ */
+ uint8_t add_cdb[4];
+ /* uint32_t data_length; */
+} __packed;
+
+/*
+ * ISP queue - Accept Target I/O (ATIO) type entry IOCB structure.
+ * This is sent from the ISP to the target driver.
+ */
+struct atio_from_isp {
+ union {
+ struct {
+ uint16_t entry_hdr;
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t sys_define_2; /* System defined. */
+ target_id_t target;
+ uint16_t rx_id;
+ uint16_t flags;
+ uint16_t status;
+ uint8_t command_ref;
+ uint8_t task_codes;
+ uint8_t task_flags;
+ uint8_t execution_codes;
+ uint8_t cdb[MAX_CMDSZ];
+ uint32_t data_length;
+ uint16_t lun;
+ uint8_t initiator_port_name[WWN_SIZE]; /* on qla23xx */
+ uint16_t reserved_32[6];
+ uint16_t ox_id;
+ } isp2x;
+ struct {
+ uint16_t entry_hdr;
+ uint8_t fcp_cmnd_len_low;
+ uint8_t fcp_cmnd_len_high:4;
+ uint8_t attr:4;
+ uint32_t exchange_addr;
+#define ATIO_EXCHANGE_ADDRESS_UNKNOWN 0xFFFFFFFF
+ struct fcp_hdr fcp_hdr;
+ struct atio7_fcp_cmnd fcp_cmnd;
+ } isp24;
+ struct {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t data[58];
+ uint32_t signature;
+#define ATIO_PROCESSED 0xDEADDEAD /* Signature */
+ } raw;
+ } u;
+} __packed;
+
+#define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */
+
+/*
+ * ISP queue - Continue Target I/O (ATIO) type 7 entry (for 24xx) structure.
+ * This structure is sent to the ISP 24xx from the target driver.
+ */
+
+struct ctio7_to_24xx {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle; /* System defined handle */
+ uint16_t nport_handle;
+#define CTIO7_NHANDLE_UNRECOGNIZED 0xFFFF
+ uint16_t timeout;
+ uint16_t dseg_count; /* Data segment count. */
+ uint8_t vp_index;
+ uint8_t add_flags;
+ uint8_t initiator_id[3];
+ uint8_t reserved;
+ uint32_t exchange_addr;
+ union {
+ struct {
+ uint16_t reserved1;
+ uint16_t flags;
+ uint32_t residual;
+ uint16_t ox_id;
+ uint16_t scsi_status;
+ uint32_t relative_offset;
+ uint32_t reserved2;
+ uint32_t transfer_length;
+ uint32_t reserved3;
+ /* Data segment 0 address. */
+ uint32_t dseg_0_address[2];
+ /* Data segment 0 length. */
+ uint32_t dseg_0_length;
+ } status0;
+ struct {
+ uint16_t sense_length;
+ uint16_t flags;
+ uint32_t residual;
+ uint16_t ox_id;
+ uint16_t scsi_status;
+ uint16_t response_len;
+ uint16_t reserved;
+ uint8_t sense_data[24];
+ } status1;
+ } u;
+} __packed;
+
+/*
+ * ISP queue - CTIO type 7 from ISP 24xx to target driver
+ * returned entry structure.
+ */
+struct ctio7_from_24xx {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle; /* System defined handle */
+ uint16_t status;
+ uint16_t timeout;
+ uint16_t dseg_count; /* Data segment count. */
+ uint8_t vp_index;
+ uint8_t reserved1[5];
+ uint32_t exchange_address;
+ uint16_t reserved2;
+ uint16_t flags;
+ uint32_t residual;
+ uint16_t ox_id;
+ uint16_t reserved3;
+ uint32_t relative_offset;
+ uint8_t reserved4[24];
+} __packed;
+
+/* CTIO7 flags values */
+#define CTIO7_FLAGS_SEND_STATUS BIT_15
+#define CTIO7_FLAGS_TERMINATE BIT_14
+#define CTIO7_FLAGS_CONFORM_REQ BIT_13
+#define CTIO7_FLAGS_DONT_RET_CTIO BIT_8
+#define CTIO7_FLAGS_STATUS_MODE_0 0
+#define CTIO7_FLAGS_STATUS_MODE_1 BIT_6
+#define CTIO7_FLAGS_EXPLICIT_CONFORM BIT_5
+#define CTIO7_FLAGS_CONFIRM_SATISF BIT_4
+#define CTIO7_FLAGS_DSD_PTR BIT_2
+#define CTIO7_FLAGS_DATA_IN BIT_1
+#define CTIO7_FLAGS_DATA_OUT BIT_0
+
+#define ELS_PLOGI 0x3
+#define ELS_FLOGI 0x4
+#define ELS_LOGO 0x5
+#define ELS_PRLI 0x20
+#define ELS_PRLO 0x21
+#define ELS_TPRLO 0x24
+#define ELS_PDISC 0x50
+#define ELS_ADISC 0x52
+
+/*
+ * ISP queue - ABTS received/response entries structure definition for 24xx.
+ */
+#define ABTS_RECV_24XX 0x54 /* ABTS received (for 24xx) */
+#define ABTS_RESP_24XX 0x55 /* ABTS responce (for 24xx) */
+
+/*
+ * ISP queue - ABTS received IOCB entry structure definition for 24xx.
+ * The ABTS BLS received from the wire is sent to the
+ * target driver by the ISP 24xx.
+ * The IOCB is placed on the response queue.
+ */
+struct abts_recv_from_24xx {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint8_t reserved_1[6];
+ uint16_t nport_handle;
+ uint8_t reserved_2[2];
+ uint8_t vp_index;
+ uint8_t reserved_3:4;
+ uint8_t sof_type:4;
+ uint32_t exchange_address;
+ struct fcp_hdr_le fcp_hdr_le;
+ uint8_t reserved_4[16];
+ uint32_t exchange_addr_to_abort;
+} __packed;
+
+#define ABTS_PARAM_ABORT_SEQ BIT_0
+
+struct ba_acc_le {
+ uint16_t reserved;
+ uint8_t seq_id_last;
+ uint8_t seq_id_valid;
+#define SEQ_ID_VALID 0x80
+#define SEQ_ID_INVALID 0x00
+ uint16_t rx_id;
+ uint16_t ox_id;
+ uint16_t high_seq_cnt;
+ uint16_t low_seq_cnt;
+} __packed;
+
+struct ba_rjt_le {
+ uint8_t vendor_uniq;
+ uint8_t reason_expl;
+ uint8_t reason_code;
+#define BA_RJT_REASON_CODE_INVALID_COMMAND 0x1
+#define BA_RJT_REASON_CODE_UNABLE_TO_PERFORM 0x9
+ uint8_t reserved;
+} __packed;
+
+/*
+ * ISP queue - ABTS Response IOCB entry structure definition for 24xx.
+ * The ABTS response to the ABTS received is sent by the
+ * target driver to the ISP 24xx.
+ * The IOCB is placed on the request queue.
+ */
+struct abts_resp_to_24xx {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle;
+ uint16_t reserved_1;
+ uint16_t nport_handle;
+ uint16_t control_flags;
+#define ABTS_CONTR_FLG_TERM_EXCHG BIT_0
+ uint8_t vp_index;
+ uint8_t reserved_3:4;
+ uint8_t sof_type:4;
+ uint32_t exchange_address;
+ struct fcp_hdr_le fcp_hdr_le;
+ union {
+ struct ba_acc_le ba_acct;
+ struct ba_rjt_le ba_rjt;
+ } __packed payload;
+ uint32_t reserved_4;
+ uint32_t exchange_addr_to_abort;
+} __packed;
+
+/*
+ * ISP queue - ABTS Response IOCB from ISP24xx Firmware entry structure.
+ * The ABTS response with completion status to the ABTS response
+ * (sent by the target driver to the ISP 24xx) is sent by the
+ * ISP24xx firmware to the target driver.
+ * The IOCB is placed on the response queue.
+ */
+struct abts_resp_from_24xx_fw {
+ uint8_t entry_type; /* Entry type. */
+ uint8_t entry_count; /* Entry count. */
+ uint8_t sys_define; /* System defined. */
+ uint8_t entry_status; /* Entry Status. */
+ uint32_t handle;
+ uint16_t compl_status;
+#define ABTS_RESP_COMPL_SUCCESS 0
+#define ABTS_RESP_COMPL_SUBCODE_ERROR 0x31
+ uint16_t nport_handle;
+ uint16_t reserved_1;
+ uint8_t reserved_2;
+ uint8_t reserved_3:4;
+ uint8_t sof_type:4;
+ uint32_t exchange_address;
+ struct fcp_hdr_le fcp_hdr_le;
+ uint8_t reserved_4[8];
+ uint32_t error_subcode1;
+#define ABTS_RESP_SUBCODE_ERR_ABORTED_EXCH_NOT_TERM 0x1E
+ uint32_t error_subcode2;
+ uint32_t exchange_addr_to_abort;
+} __packed;
+
+/********************************************************************\
+ * Type Definitions used by initiator & target halves
+\********************************************************************/
+
+struct qla_tgt_mgmt_cmd;
+struct qla_tgt_sess;
+
+/*
+ * This structure provides a template of function calls that the
+ * target driver (from within qla_target.c) can issue to the
+ * target module (tcm_qla2xxx).
+ */
+struct qla_tgt_func_tmpl {
+
+ int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *,
+ unsigned char *, uint32_t, int, int, int);
+ int (*handle_data)(struct qla_tgt_cmd *);
+ int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint8_t,
+ uint32_t);
+ void (*free_cmd)(struct qla_tgt_cmd *);
+ void (*free_mcmd)(struct qla_tgt_mgmt_cmd *);
+ void (*free_session)(struct qla_tgt_sess *);
+
+ int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *,
+ void *, uint8_t *, uint16_t);
+ struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *,
+ const uint16_t);
+ struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *,
+ const uint8_t *);
+ void (*clear_nacl_from_fcport_map)(struct qla_tgt_sess *);
+ void (*put_sess)(struct qla_tgt_sess *);
+ void (*shutdown_sess)(struct qla_tgt_sess *);
+};
+
+int qla2x00_wait_for_hba_online(struct scsi_qla_host *);
+
+#include <target/target_core_base.h>
+
+#define QLA_TGT_TIMEOUT 10 /* in seconds */
+
+#define QLA_TGT_MAX_HW_PENDING_TIME 60 /* in seconds */
+
+/* Immediate notify status constants */
+#define IMM_NTFY_LIP_RESET 0x000E
+#define IMM_NTFY_LIP_LINK_REINIT 0x000F
+#define IMM_NTFY_IOCB_OVERFLOW 0x0016
+#define IMM_NTFY_ABORT_TASK 0x0020
+#define IMM_NTFY_PORT_LOGOUT 0x0029
+#define IMM_NTFY_PORT_CONFIG 0x002A
+#define IMM_NTFY_GLBL_TPRLO 0x002D
+#define IMM_NTFY_GLBL_LOGO 0x002E
+#define IMM_NTFY_RESOURCE 0x0034
+#define IMM_NTFY_MSG_RX 0x0036
+#define IMM_NTFY_SRR 0x0045
+#define IMM_NTFY_ELS 0x0046
+
+/* Immediate notify task flags */
+#define IMM_NTFY_TASK_MGMT_SHIFT 8
+
+#define QLA_TGT_CLEAR_ACA 0x40
+#define QLA_TGT_TARGET_RESET 0x20
+#define QLA_TGT_LUN_RESET 0x10
+#define QLA_TGT_CLEAR_TS 0x04
+#define QLA_TGT_ABORT_TS 0x02
+#define QLA_TGT_ABORT_ALL_SESS 0xFFFF
+#define QLA_TGT_ABORT_ALL 0xFFFE
+#define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD
+#define QLA_TGT_NEXUS_LOSS 0xFFFC
+
+/* Notify Acknowledge flags */
+#define NOTIFY_ACK_RES_COUNT BIT_8
+#define NOTIFY_ACK_CLEAR_LIP_RESET BIT_5
+#define NOTIFY_ACK_TM_RESP_CODE_VALID BIT_4
+
+/* Command's states */
+#define QLA_TGT_STATE_NEW 0 /* New command + target processing */
+#define QLA_TGT_STATE_NEED_DATA 1 /* target needs data to continue */
+#define QLA_TGT_STATE_DATA_IN 2 /* Data arrived + target processing */
+#define QLA_TGT_STATE_PROCESSED 3 /* target done processing */
+#define QLA_TGT_STATE_ABORTED 4 /* Command aborted */
+
+/* Special handles */
+#define QLA_TGT_NULL_HANDLE 0
+#define QLA_TGT_SKIP_HANDLE (0xFFFFFFFF & ~CTIO_COMPLETION_HANDLE_MARK)
+
+/* ATIO task_codes field */
+#define ATIO_SIMPLE_QUEUE 0
+#define ATIO_HEAD_OF_QUEUE 1
+#define ATIO_ORDERED_QUEUE 2
+#define ATIO_ACA_QUEUE 4
+#define ATIO_UNTAGGED 5
+
+/* TM failed response codes, see FCP (9.4.11 FCP_RSP_INFO) */
+#define FC_TM_SUCCESS 0
+#define FC_TM_BAD_FCP_DATA 1
+#define FC_TM_BAD_CMD 2
+#define FC_TM_FCP_DATA_MISMATCH 3
+#define FC_TM_REJECT 4
+#define FC_TM_FAILED 5
+
+/*
+ * Error code of qlt_pre_xmit_response() meaning that cmd's exchange was
+ * terminated, so no more actions is needed and success should be returned
+ * to target.
+ */
+#define QLA_TGT_PRE_XMIT_RESP_CMD_ABORTED 0x1717
+
+#if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
+#define pci_dma_lo32(a) (a & 0xffffffff)
+#define pci_dma_hi32(a) ((((a) >> 16)>>16) & 0xffffffff)
+#else
+#define pci_dma_lo32(a) (a & 0xffffffff)
+#define pci_dma_hi32(a) 0
+#endif
+
+#define QLA_TGT_SENSE_VALID(sense) ((sense != NULL) && \
+ (((const uint8_t *)(sense))[0] & 0x70) == 0x70)
+
+struct qla_port_24xx_data {
+ uint8_t port_name[WWN_SIZE];
+ uint16_t loop_id;
+ uint16_t reserved;
+};
+
+struct qla_tgt {
+ struct scsi_qla_host *vha;
+ struct qla_hw_data *ha;
+
+ /*
+ * To sync between IRQ handlers and qlt_target_release(). Needed,
+ * because req_pkt() can drop/reaquire HW lock inside. Protected by
+ * HW lock.
+ */
+ int irq_cmd_count;
+
+ int datasegs_per_cmd, datasegs_per_cont, sg_tablesize;
+
+ /* Target's flags, serialized by pha->hardware_lock */
+ unsigned int tgt_enable_64bit_addr:1; /* 64-bits PCI addr enabled */
+ unsigned int link_reinit_iocb_pending:1;
+
+ /*
+ * Protected by tgt_mutex AND hardware_lock for writing and tgt_mutex
+ * OR hardware_lock for reading.
+ */
+ int tgt_stop; /* the target mode driver is being stopped */
+ int tgt_stopped; /* the target mode driver has been stopped */
+
+ /* Count of sessions refering qla_tgt. Protected by hardware_lock. */
+ int sess_count;
+
+ /* Protected by hardware_lock. Addition also protected by tgt_mutex. */
+ struct list_head sess_list;
+
+ /* Protected by hardware_lock */
+ struct list_head del_sess_list;
+ struct delayed_work sess_del_work;
+
+ spinlock_t sess_work_lock;
+ struct list_head sess_works_list;
+ struct work_struct sess_work;
+
+ struct imm_ntfy_from_isp link_reinit_iocb;
+ wait_queue_head_t waitQ;
+ int notify_ack_expected;
+ int abts_resp_expected;
+ int modify_lun_expected;
+
+ int ctio_srr_id;
+ int imm_srr_id;
+ spinlock_t srr_lock;
+ struct list_head srr_ctio_list;
+ struct list_head srr_imm_list;
+ struct work_struct srr_work;
+
+ atomic_t tgt_global_resets_count;
+
+ struct list_head tgt_list_entry;
+};
+
+/*
+ * Equivilant to IT Nexus (Initiator-Target)
+ */
+struct qla_tgt_sess {
+ uint16_t loop_id;
+ port_id_t s_id;
+
+ unsigned int conf_compl_supported:1;
+ unsigned int deleted:1;
+ unsigned int local:1;
+ unsigned int tearing_down:1;
+
+ struct se_session *se_sess;
+ struct scsi_qla_host *vha;
+ struct qla_tgt *tgt;
+
+ struct list_head sess_list_entry;
+ unsigned long expires;
+ struct list_head del_list_entry;
+
+ uint8_t port_name[WWN_SIZE];
+ struct work_struct free_work;
+};
+
+struct qla_tgt_cmd {
+ struct qla_tgt_sess *sess;
+ int state;
+ struct se_cmd se_cmd;
+ struct work_struct free_work;
+ struct work_struct work;
+ /* Sense buffer that will be mapped into outgoing status */
+ unsigned char sense_buffer[TRANSPORT_SENSE_BUFFER];
+
+ /* to save extra sess dereferences */
+ unsigned int conf_compl_supported:1;
+ unsigned int sg_mapped:1;
+ unsigned int free_sg:1;
+ unsigned int aborted:1; /* Needed in case of SRR */
+ unsigned int write_data_transferred:1;
+
+ struct scatterlist *sg; /* cmd data buffer SG vector */
+ int sg_cnt; /* SG segments count */
+ int bufflen; /* cmd buffer length */
+ int offset;
+ uint32_t tag;
+ uint32_t unpacked_lun;
+ enum dma_data_direction dma_data_direction;
+
+ uint16_t loop_id; /* to save extra sess dereferences */
+ struct qla_tgt *tgt; /* to save extra sess dereferences */
+ struct scsi_qla_host *vha;
+ struct list_head cmd_list;
+
+ struct atio_from_isp atio;
+};
+
+struct qla_tgt_sess_work_param {
+ struct list_head sess_works_list_entry;
+
+#define QLA_TGT_SESS_WORK_ABORT 1
+#define QLA_TGT_SESS_WORK_TM 2
+ int type;
+
+ union {
+ struct abts_recv_from_24xx abts;
+ struct imm_ntfy_from_isp tm_iocb;
+ struct atio_from_isp tm_iocb2;
+ };
+};
+
+struct qla_tgt_mgmt_cmd {
+ uint8_t tmr_func;
+ uint8_t fc_tm_rsp;
+ struct qla_tgt_sess *sess;
+ struct se_cmd se_cmd;
+ struct work_struct free_work;
+ unsigned int flags;
+#define QLA24XX_MGMT_SEND_NACK 1
+ union {
+ struct atio_from_isp atio;
+ struct imm_ntfy_from_isp imm_ntfy;
+ struct abts_recv_from_24xx abts;
+ } __packed orig_iocb;
+};
+
+struct qla_tgt_prm {
+ struct qla_tgt_cmd *cmd;
+ struct qla_tgt *tgt;
+ void *pkt;
+ struct scatterlist *sg; /* cmd data buffer SG vector */
+ int seg_cnt;
+ int req_cnt;
+ uint16_t rq_result;
+ uint16_t scsi_status;
+ unsigned char *sense_buffer;
+ int sense_buffer_len;
+ int residual;
+ int add_status_pkt;
+};
+
+struct qla_tgt_srr_imm {
+ struct list_head srr_list_entry;
+ int srr_id;
+ struct imm_ntfy_from_isp imm_ntfy;
+};
+
+struct qla_tgt_srr_ctio {
+ struct list_head srr_list_entry;
+ int srr_id;
+ struct qla_tgt_cmd *cmd;
+};
+
+#define QLA_TGT_XMIT_DATA 1
+#define QLA_TGT_XMIT_STATUS 2
+#define QLA_TGT_XMIT_ALL (QLA_TGT_XMIT_STATUS|QLA_TGT_XMIT_DATA)
+
+#include <linux/version.h>
+
+extern struct qla_tgt_data qla_target;
+/*
+ * Internal function prototypes
+ */
+void qlt_disable_vha(struct scsi_qla_host *);
+
+/*
+ * Function prototypes for qla_target.c logic used by qla2xxx LLD code.
+ */
+extern int qlt_add_target(struct qla_hw_data *, struct scsi_qla_host *);
+extern int qlt_remove_target(struct qla_hw_data *, struct scsi_qla_host *);
+extern int qlt_lport_register(struct qla_tgt_func_tmpl *, u64,
+ int (*callback)(struct scsi_qla_host *), void *);
+extern void qlt_lport_deregister(struct scsi_qla_host *);
+extern void qlt_unreg_sess(struct qla_tgt_sess *);
+extern void qlt_fc_port_added(struct scsi_qla_host *, fc_port_t *);
+extern void qlt_fc_port_deleted(struct scsi_qla_host *, fc_port_t *);
+extern void qlt_set_mode(struct scsi_qla_host *ha);
+extern void qlt_clear_mode(struct scsi_qla_host *ha);
+extern int __init qlt_init(void);
+extern void qlt_exit(void);
+extern void qlt_update_vp_map(struct scsi_qla_host *, int);
+
+/*
+ * This macro is used during early initializations when host->active_mode
+ * is not set. Right now, ha value is ignored.
+ */
+#define QLA_TGT_MODE_ENABLED() (ql2x_ini_mode != QLA2XXX_INI_MODE_ENABLED)
+
+static inline bool qla_tgt_mode_enabled(struct scsi_qla_host *ha)
+{
+ return ha->host->active_mode & MODE_TARGET;
+}
+
+static inline bool qla_ini_mode_enabled(struct scsi_qla_host *ha)
+{
+ return ha->host->active_mode & MODE_INITIATOR;
+}
+
+static inline void qla_reverse_ini_mode(struct scsi_qla_host *ha)
+{
+ if (ha->host->active_mode & MODE_INITIATOR)
+ ha->host->active_mode &= ~MODE_INITIATOR;
+ else
+ ha->host->active_mode |= MODE_INITIATOR;
+}
+
+/*
+ * Exported symbols from qla_target.c LLD logic used by qla2xxx code..
+ */
+extern void qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *,
+ struct atio_from_isp *);
+extern void qlt_response_pkt_all_vps(struct scsi_qla_host *, response_t *);
+extern int qlt_rdy_to_xfer(struct qla_tgt_cmd *);
+extern int qlt_xmit_response(struct qla_tgt_cmd *, int, uint8_t);
+extern void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *);
+extern void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *);
+extern void qlt_free_cmd(struct qla_tgt_cmd *cmd);
+extern void qlt_ctio_completion(struct scsi_qla_host *, uint32_t);
+extern void qlt_async_event(uint16_t, struct scsi_qla_host *, uint16_t *);
+extern void qlt_enable_vha(struct scsi_qla_host *);
+extern void qlt_vport_create(struct scsi_qla_host *, struct qla_hw_data *);
+extern void qlt_rff_id(struct scsi_qla_host *, struct ct_sns_req *);
+extern void qlt_init_atio_q_entries(struct scsi_qla_host *);
+extern void qlt_24xx_process_atio_queue(struct scsi_qla_host *);
+extern void qlt_24xx_config_rings(struct scsi_qla_host *,
+ device_reg_t __iomem *);
+extern void qlt_24xx_config_nvram_stage1(struct scsi_qla_host *,
+ struct nvram_24xx *);
+extern void qlt_24xx_config_nvram_stage2(struct scsi_qla_host *,
+ struct init_cb_24xx *);
+extern int qlt_24xx_process_response_error(struct scsi_qla_host *,
+ struct sts_entry_24xx *);
+extern void qlt_modify_vp_config(struct scsi_qla_host *,
+ struct vp_config_entry_24xx *);
+extern void qlt_probe_one_stage1(struct scsi_qla_host *, struct qla_hw_data *);
+extern int qlt_mem_alloc(struct qla_hw_data *);
+extern void qlt_mem_free(struct qla_hw_data *);
+extern void qlt_stop_phase1(struct qla_tgt *);
+extern void qlt_stop_phase2(struct qla_tgt *);
+
+#endif /* __QLA_TARGET_H */
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
new file mode 100644
index 00000000000..436598f5740
--- /dev/null
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -0,0 +1,1955 @@
+/*******************************************************************************
+ * This file contains tcm implementation using v4 configfs fabric infrastructure
+ * for QLogic target mode HBAs
+ *
+ * ?? Copyright 2010-2011 RisingTide Systems LLC.
+ *
+ * Licensed to the Linux Foundation under the General Public License (GPL)
+ * version 2.
+ *
+ * Author: Nicholas A. Bellinger <nab@risingtidesystems.com>
+ *
+ * tcm_qla2xxx_parse_wwn() and tcm_qla2xxx_format_wwn() contains code from
+ * the TCM_FC / Open-FCoE.org fabric module.
+ *
+ * Copyright (c) 2010 Cisco Systems, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ ****************************************************************************/
+
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <generated/utsrelease.h>
+#include <linux/utsname.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/kthread.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/configfs.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <asm/unaligned.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_cmnd.h>
+#include <target/target_core_base.h>
+#include <target/target_core_fabric.h>
+#include <target/target_core_fabric_configfs.h>
+#include <target/target_core_configfs.h>
+#include <target/configfs_macros.h>
+
+#include "qla_def.h"
+#include "qla_target.h"
+#include "tcm_qla2xxx.h"
+
+struct workqueue_struct *tcm_qla2xxx_free_wq;
+struct workqueue_struct *tcm_qla2xxx_cmd_wq;
+
+static int tcm_qla2xxx_check_true(struct se_portal_group *se_tpg)
+{
+ return 1;
+}
+
+static int tcm_qla2xxx_check_false(struct se_portal_group *se_tpg)
+{
+ return 0;
+}
+
+/*
+ * Parse WWN.
+ * If strict, we require lower-case hex and colon separators to be sure
+ * the name is the same as what would be generated by ft_format_wwn()
+ * so the name and wwn are mapped one-to-one.
+ */
+static ssize_t tcm_qla2xxx_parse_wwn(const char *name, u64 *wwn, int strict)
+{
+ const char *cp;
+ char c;
+ u32 nibble;
+ u32 byte = 0;
+ u32 pos = 0;
+ u32 err;
+
+ *wwn = 0;
+ for (cp = name; cp < &name[TCM_QLA2XXX_NAMELEN - 1]; cp++) {
+ c = *cp;
+ if (c == '\n' && cp[1] == '\0')
+ continue;
+ if (strict && pos++ == 2 && byte++ < 7) {
+ pos = 0;
+ if (c == ':')
+ continue;
+ err = 1;
+ goto fail;
+ }
+ if (c == '\0') {
+ err = 2;
+ if (strict && byte != 8)
+ goto fail;
+ return cp - name;
+ }
+ err = 3;
+ if (isdigit(c))
+ nibble = c - '0';
+ else if (isxdigit(c) && (islower(c) || !strict))
+ nibble = tolower(c) - 'a' + 10;
+ else
+ goto fail;
+ *wwn = (*wwn << 4) | nibble;
+ }
+ err = 4;
+fail:
+ pr_debug("err %u len %zu pos %u byte %u\n",
+ err, cp - name, pos, byte);
+ return -1;
+}
+
+static ssize_t tcm_qla2xxx_format_wwn(char *buf, size_t len, u64 wwn)
+{
+ u8 b[8];
+
+ put_unaligned_be64(wwn, b);
+ return snprintf(buf, len,
+ "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+ b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7]);
+}
+
+static char *tcm_qla2xxx_get_fabric_name(void)
+{
+ return "qla2xxx";
+}
+
+/*
+ * From drivers/scsi/scsi_transport_fc.c:fc_parse_wwn
+ */
+static int tcm_qla2xxx_npiv_extract_wwn(const char *ns, u64 *nm)
+{
+ unsigned int i, j, value;
+ u8 wwn[8];
+
+ memset(wwn, 0, sizeof(wwn));
+
+ /* Validate and store the new name */
+ for (i = 0, j = 0; i < 16; i++) {
+ value = hex_to_bin(*ns++);
+ if (value >= 0)
+ j = (j << 4) | value;
+ else
+ return -EINVAL;
+
+ if (i % 2) {
+ wwn[i/2] = j & 0xff;
+ j = 0;
+ }
+ }
+
+ *nm = wwn_to_u64(wwn);
+ return 0;
+}
+
+/*
+ * This parsing logic follows drivers/scsi/scsi_transport_fc.c:
+ * store_fc_host_vport_create()
+ */
+static int tcm_qla2xxx_npiv_parse_wwn(
+ const char *name,
+ size_t count,
+ u64 *wwpn,
+ u64 *wwnn)
+{
+ unsigned int cnt = count;
+ int rc;
+
+ *wwpn = 0;
+ *wwnn = 0;
+
+ /* count may include a LF at end of string */
+ if (name[cnt-1] == '\n')
+ cnt--;
+
+ /* validate we have enough characters for WWPN */
+ if ((cnt != (16+1+16)) || (name[16] != ':'))
+ return -EINVAL;
+
+ rc = tcm_qla2xxx_npiv_extract_wwn(&name[0], wwpn);
+ if (rc != 0)
+ return rc;
+
+ rc = tcm_qla2xxx_npiv_extract_wwn(&name[17], wwnn);
+ if (rc != 0)
+ return rc;
+
+ return 0;
+}
+
+static ssize_t tcm_qla2xxx_npiv_format_wwn(char *buf, size_t len,
+ u64 wwpn, u64 wwnn)
+{
+ u8 b[8], b2[8];
+
+ put_unaligned_be64(wwpn, b);
+ put_unaligned_be64(wwnn, b2);
+ return snprintf(buf, len,
+ "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x,"
+ "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
+ b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
+ b2[0], b2[1], b2[2], b2[3], b2[4], b2[5], b2[6], b2[7]);
+}
+
+static char *tcm_qla2xxx_npiv_get_fabric_name(void)
+{
+ return "qla2xxx_npiv";
+}
+
+static u8 tcm_qla2xxx_get_fabric_proto_ident(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+ u8 proto_id;
+
+ switch (lport->lport_proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ default:
+ proto_id = fc_get_fabric_proto_ident(se_tpg);
+ break;
+ }
+
+ return proto_id;
+}
+
+static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+
+ return &lport->lport_name[0];
+}
+
+static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+
+ return &lport->lport_npiv_name[0];
+}
+
+static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ return tpg->lport_tpgt;
+}
+
+static u32 tcm_qla2xxx_get_default_depth(struct se_portal_group *se_tpg)
+{
+ return 1;
+}
+
+static u32 tcm_qla2xxx_get_pr_transport_id(
+ struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl,
+ struct t10_pr_registration *pr_reg,
+ int *format_code,
+ unsigned char *buf)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+ int ret = 0;
+
+ switch (lport->lport_proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ default:
+ ret = fc_get_pr_transport_id(se_tpg, se_nacl, pr_reg,
+ format_code, buf);
+ break;
+ }
+
+ return ret;
+}
+
+static u32 tcm_qla2xxx_get_pr_transport_id_len(
+ struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl,
+ struct t10_pr_registration *pr_reg,
+ int *format_code)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+ int ret = 0;
+
+ switch (lport->lport_proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ default:
+ ret = fc_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg,
+ format_code);
+ break;
+ }
+
+ return ret;
+}
+
+static char *tcm_qla2xxx_parse_pr_out_transport_id(
+ struct se_portal_group *se_tpg,
+ const char *buf,
+ u32 *out_tid_len,
+ char **port_nexus_ptr)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+ char *tid = NULL;
+
+ switch (lport->lport_proto_id) {
+ case SCSI_PROTOCOL_FCP:
+ default:
+ tid = fc_parse_pr_out_transport_id(se_tpg, buf, out_tid_len,
+ port_nexus_ptr);
+ break;
+ }
+
+ return tid;
+}
+
+static int tcm_qla2xxx_check_demo_mode(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return QLA_TPG_ATTRIB(tpg)->generate_node_acls;
+}
+
+static int tcm_qla2xxx_check_demo_mode_cache(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return QLA_TPG_ATTRIB(tpg)->cache_dynamic_acls;
+}
+
+static int tcm_qla2xxx_check_demo_write_protect(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return QLA_TPG_ATTRIB(tpg)->demo_mode_write_protect;
+}
+
+static int tcm_qla2xxx_check_prod_write_protect(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return QLA_TPG_ATTRIB(tpg)->prod_mode_write_protect;
+}
+
+static struct se_node_acl *tcm_qla2xxx_alloc_fabric_acl(
+ struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_nacl *nacl;
+
+ nacl = kzalloc(sizeof(struct tcm_qla2xxx_nacl), GFP_KERNEL);
+ if (!nacl) {
+ pr_err("Unable to alocate struct tcm_qla2xxx_nacl\n");
+ return NULL;
+ }
+
+ return &nacl->se_node_acl;
+}
+
+static void tcm_qla2xxx_release_fabric_acl(
+ struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl)
+{
+ struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
+ struct tcm_qla2xxx_nacl, se_node_acl);
+ kfree(nacl);
+}
+
+static u32 tcm_qla2xxx_tpg_get_inst_index(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return tpg->lport_tpgt;
+}
+
+static void tcm_qla2xxx_complete_mcmd(struct work_struct *work)
+{
+ struct qla_tgt_mgmt_cmd *mcmd = container_of(work,
+ struct qla_tgt_mgmt_cmd, free_work);
+
+ transport_generic_free_cmd(&mcmd->se_cmd, 0);
+}
+
+/*
+ * Called from qla_target_template->free_mcmd(), and will call
+ * tcm_qla2xxx_release_cmd() via normal struct target_core_fabric_ops
+ * release callback. qla_hw_data->hardware_lock is expected to be held
+ */
+static void tcm_qla2xxx_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd)
+{
+ INIT_WORK(&mcmd->free_work, tcm_qla2xxx_complete_mcmd);
+ queue_work(tcm_qla2xxx_free_wq, &mcmd->free_work);
+}
+
+static void tcm_qla2xxx_complete_free(struct work_struct *work)
+{
+ struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
+
+ transport_generic_free_cmd(&cmd->se_cmd, 0);
+}
+
+/*
+ * Called from qla_target_template->free_cmd(), and will call
+ * tcm_qla2xxx_release_cmd via normal struct target_core_fabric_ops
+ * release callback. qla_hw_data->hardware_lock is expected to be held
+ */
+static void tcm_qla2xxx_free_cmd(struct qla_tgt_cmd *cmd)
+{
+ INIT_WORK(&cmd->work, tcm_qla2xxx_complete_free);
+ queue_work(tcm_qla2xxx_free_wq, &cmd->work);
+}
+
+/*
+ * Called from struct target_core_fabric_ops->check_stop_free() context
+ */
+static int tcm_qla2xxx_check_stop_free(struct se_cmd *se_cmd)
+{
+ return target_put_sess_cmd(se_cmd->se_sess, se_cmd);
+}
+
+/* tcm_qla2xxx_release_cmd - Callback from TCM Core to release underlying
+ * fabric descriptor @se_cmd command to release
+ */
+static void tcm_qla2xxx_release_cmd(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd;
+
+ if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) {
+ struct qla_tgt_mgmt_cmd *mcmd = container_of(se_cmd,
+ struct qla_tgt_mgmt_cmd, se_cmd);
+ qlt_free_mcmd(mcmd);
+ return;
+ }
+
+ cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
+ qlt_free_cmd(cmd);
+}
+
+static int tcm_qla2xxx_shutdown_session(struct se_session *se_sess)
+{
+ struct qla_tgt_sess *sess = se_sess->fabric_sess_ptr;
+ struct scsi_qla_host *vha;
+ unsigned long flags;
+
+ BUG_ON(!sess);
+ vha = sess->vha;
+
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ sess->tearing_down = 1;
+ target_splice_sess_cmd_list(se_sess);
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+
+ return 1;
+}
+
+static void tcm_qla2xxx_close_session(struct se_session *se_sess)
+{
+ struct qla_tgt_sess *sess = se_sess->fabric_sess_ptr;
+ struct scsi_qla_host *vha;
+ unsigned long flags;
+
+ BUG_ON(!sess);
+ vha = sess->vha;
+
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ qlt_unreg_sess(sess);
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+}
+
+static u32 tcm_qla2xxx_sess_get_index(struct se_session *se_sess)
+{
+ return 0;
+}
+
+/*
+ * The LIO target core uses DMA_TO_DEVICE to mean that data is going
+ * to the target (eg handling a WRITE) and DMA_FROM_DEVICE to mean
+ * that data is coming from the target (eg handling a READ). However,
+ * this is just the opposite of what we have to tell the DMA mapping
+ * layer -- eg when handling a READ, the HBA will have to DMA the data
+ * out of memory so it can send it to the initiator, which means we
+ * need to use DMA_TO_DEVICE when we map the data.
+ */
+static enum dma_data_direction tcm_qla2xxx_mapping_dir(struct se_cmd *se_cmd)
+{
+ if (se_cmd->se_cmd_flags & SCF_BIDI)
+ return DMA_BIDIRECTIONAL;
+
+ switch (se_cmd->data_direction) {
+ case DMA_TO_DEVICE:
+ return DMA_FROM_DEVICE;
+ case DMA_FROM_DEVICE:
+ return DMA_TO_DEVICE;
+ case DMA_NONE:
+ default:
+ return DMA_NONE;
+ }
+}
+
+static int tcm_qla2xxx_write_pending(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd = container_of(se_cmd,
+ struct qla_tgt_cmd, se_cmd);
+
+ cmd->bufflen = se_cmd->data_length;
+ cmd->dma_data_direction = tcm_qla2xxx_mapping_dir(se_cmd);
+
+ cmd->sg_cnt = se_cmd->t_data_nents;
+ cmd->sg = se_cmd->t_data_sg;
+
+ /*
+ * qla_target.c:qlt_rdy_to_xfer() will call pci_map_sg() to setup
+ * the SGL mappings into PCIe memory for incoming FCP WRITE data.
+ */
+ return qlt_rdy_to_xfer(cmd);
+}
+
+static int tcm_qla2xxx_write_pending_status(struct se_cmd *se_cmd)
+{
+ unsigned long flags;
+ /*
+ * Check for WRITE_PENDING status to determine if we need to wait for
+ * CTIO aborts to be posted via hardware in tcm_qla2xxx_handle_data().
+ */
+ spin_lock_irqsave(&se_cmd->t_state_lock, flags);
+ if (se_cmd->t_state == TRANSPORT_WRITE_PENDING ||
+ se_cmd->t_state == TRANSPORT_COMPLETE_QF_WP) {
+ spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
+ wait_for_completion_timeout(&se_cmd->t_transport_stop_comp,
+ 3000);
+ return 0;
+ }
+ spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
+
+ return 0;
+}
+
+static void tcm_qla2xxx_set_default_node_attrs(struct se_node_acl *nacl)
+{
+ return;
+}
+
+static u32 tcm_qla2xxx_get_task_tag(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd = container_of(se_cmd,
+ struct qla_tgt_cmd, se_cmd);
+
+ return cmd->tag;
+}
+
+static int tcm_qla2xxx_get_cmd_state(struct se_cmd *se_cmd)
+{
+ return 0;
+}
+
+/*
+ * Called from process context in qla_target.c:qlt_do_work() code
+ */
+static int tcm_qla2xxx_handle_cmd(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd,
+ unsigned char *cdb, uint32_t data_length, int fcp_task_attr,
+ int data_dir, int bidi)
+{
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+ struct se_session *se_sess;
+ struct qla_tgt_sess *sess;
+ int flags = TARGET_SCF_ACK_KREF;
+
+ if (bidi)
+ flags |= TARGET_SCF_BIDI_OP;
+
+ sess = cmd->sess;
+ if (!sess) {
+ pr_err("Unable to locate struct qla_tgt_sess from qla_tgt_cmd\n");
+ return -EINVAL;
+ }
+
+ se_sess = sess->se_sess;
+ if (!se_sess) {
+ pr_err("Unable to locate active struct se_session\n");
+ return -EINVAL;
+ }
+
+ target_submit_cmd(se_cmd, se_sess, cdb, &cmd->sense_buffer[0],
+ cmd->unpacked_lun, data_length, fcp_task_attr,
+ data_dir, flags);
+ return 0;
+}
+
+static void tcm_qla2xxx_do_rsp(struct work_struct *work)
+{
+ struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
+ /*
+ * Dispatch ->queue_status from workqueue process context
+ */
+ transport_generic_request_failure(&cmd->se_cmd);
+}
+
+/*
+ * Called from qla_target.c:qlt_do_ctio_completion()
+ */
+static int tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd)
+{
+ struct se_cmd *se_cmd = &cmd->se_cmd;
+ unsigned long flags;
+ /*
+ * Ensure that the complete FCP WRITE payload has been received.
+ * Otherwise return an exception via CHECK_CONDITION status.
+ */
+ if (!cmd->write_data_transferred) {
+ /*
+ * Check if se_cmd has already been aborted via LUN_RESET, and
+ * waiting upon completion in tcm_qla2xxx_write_pending_status()
+ */
+ spin_lock_irqsave(&se_cmd->t_state_lock, flags);
+ if (se_cmd->transport_state & CMD_T_ABORTED) {
+ spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
+ complete(&se_cmd->t_transport_stop_comp);
+ return 0;
+ }
+ spin_unlock_irqrestore(&se_cmd->t_state_lock, flags);
+
+ se_cmd->scsi_sense_reason = TCM_CHECK_CONDITION_ABORT_CMD;
+ INIT_WORK(&cmd->work, tcm_qla2xxx_do_rsp);
+ queue_work(tcm_qla2xxx_free_wq, &cmd->work);
+ return 0;
+ }
+ /*
+ * We now tell TCM to queue this WRITE CDB with TRANSPORT_PROCESS_WRITE
+ * status to the backstore processing thread.
+ */
+ return transport_generic_handle_data(&cmd->se_cmd);
+}
+
+/*
+ * Called from qla_target.c:qlt_issue_task_mgmt()
+ */
+int tcm_qla2xxx_handle_tmr(struct qla_tgt_mgmt_cmd *mcmd, uint32_t lun,
+ uint8_t tmr_func, uint32_t tag)
+{
+ struct qla_tgt_sess *sess = mcmd->sess;
+ struct se_cmd *se_cmd = &mcmd->se_cmd;
+
+ return target_submit_tmr(se_cmd, sess->se_sess, NULL, lun, mcmd,
+ tmr_func, GFP_ATOMIC, tag, TARGET_SCF_ACK_KREF);
+}
+
+static int tcm_qla2xxx_queue_data_in(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd = container_of(se_cmd,
+ struct qla_tgt_cmd, se_cmd);
+
+ cmd->bufflen = se_cmd->data_length;
+ cmd->dma_data_direction = tcm_qla2xxx_mapping_dir(se_cmd);
+ cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED);
+
+ cmd->sg_cnt = se_cmd->t_data_nents;
+ cmd->sg = se_cmd->t_data_sg;
+ cmd->offset = 0;
+
+ /*
+ * Now queue completed DATA_IN the qla2xxx LLD and response ring
+ */
+ return qlt_xmit_response(cmd, QLA_TGT_XMIT_DATA|QLA_TGT_XMIT_STATUS,
+ se_cmd->scsi_status);
+}
+
+static int tcm_qla2xxx_queue_status(struct se_cmd *se_cmd)
+{
+ struct qla_tgt_cmd *cmd = container_of(se_cmd,
+ struct qla_tgt_cmd, se_cmd);
+ int xmit_type = QLA_TGT_XMIT_STATUS;
+
+ cmd->bufflen = se_cmd->data_length;
+ cmd->sg = NULL;
+ cmd->sg_cnt = 0;
+ cmd->offset = 0;
+ cmd->dma_data_direction = tcm_qla2xxx_mapping_dir(se_cmd);
+ cmd->aborted = (se_cmd->transport_state & CMD_T_ABORTED);
+
+ if (se_cmd->data_direction == DMA_FROM_DEVICE) {
+ /*
+ * For FCP_READ with CHECK_CONDITION status, clear cmd->bufflen
+ * for qla_tgt_xmit_response LLD code
+ */
+ se_cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT;
+ se_cmd->residual_count = se_cmd->data_length;
+
+ cmd->bufflen = 0;
+ }
+ /*
+ * Now queue status response to qla2xxx LLD code and response ring
+ */
+ return qlt_xmit_response(cmd, xmit_type, se_cmd->scsi_status);
+}
+
+static int tcm_qla2xxx_queue_tm_rsp(struct se_cmd *se_cmd)
+{
+ struct se_tmr_req *se_tmr = se_cmd->se_tmr_req;
+ struct qla_tgt_mgmt_cmd *mcmd = container_of(se_cmd,
+ struct qla_tgt_mgmt_cmd, se_cmd);
+
+ pr_debug("queue_tm_rsp: mcmd: %p func: 0x%02x response: 0x%02x\n",
+ mcmd, se_tmr->function, se_tmr->response);
+ /*
+ * Do translation between TCM TM response codes and
+ * QLA2xxx FC TM response codes.
+ */
+ switch (se_tmr->response) {
+ case TMR_FUNCTION_COMPLETE:
+ mcmd->fc_tm_rsp = FC_TM_SUCCESS;
+ break;
+ case TMR_TASK_DOES_NOT_EXIST:
+ mcmd->fc_tm_rsp = FC_TM_BAD_CMD;
+ break;
+ case TMR_FUNCTION_REJECTED:
+ mcmd->fc_tm_rsp = FC_TM_REJECT;
+ break;
+ case TMR_LUN_DOES_NOT_EXIST:
+ default:
+ mcmd->fc_tm_rsp = FC_TM_FAILED;
+ break;
+ }
+ /*
+ * Queue the TM response to QLA2xxx LLD to build a
+ * CTIO response packet.
+ */
+ qlt_xmit_tm_rsp(mcmd);
+
+ return 0;
+}
+
+static u16 tcm_qla2xxx_get_fabric_sense_len(void)
+{
+ return 0;
+}
+
+static u16 tcm_qla2xxx_set_fabric_sense_len(struct se_cmd *se_cmd,
+ u32 sense_length)
+{
+ return 0;
+}
+
+/* Local pointer to allocated TCM configfs fabric module */
+struct target_fabric_configfs *tcm_qla2xxx_fabric_configfs;
+struct target_fabric_configfs *tcm_qla2xxx_npiv_fabric_configfs;
+
+static int tcm_qla2xxx_setup_nacl_from_rport(
+ struct se_portal_group *se_tpg,
+ struct se_node_acl *se_nacl,
+ struct tcm_qla2xxx_lport *lport,
+ struct tcm_qla2xxx_nacl *nacl,
+ u64 rport_wwnn)
+{
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct Scsi_Host *sh = vha->host;
+ struct fc_host_attrs *fc_host = shost_to_fc_host(sh);
+ struct fc_rport *rport;
+ unsigned long flags;
+ void *node;
+ int rc;
+
+ /*
+ * Scan the existing rports, and create a session for the
+ * explict NodeACL is an matching rport->node_name already
+ * exists.
+ */
+ spin_lock_irqsave(sh->host_lock, flags);
+ list_for_each_entry(rport, &fc_host->rports, peers) {
+ if (rport_wwnn != rport->node_name)
+ continue;
+
+ pr_debug("Located existing rport_wwpn and rport->node_name: 0x%016LX, port_id: 0x%04x\n",
+ rport->node_name, rport->port_id);
+ nacl->nport_id = rport->port_id;
+
+ spin_unlock_irqrestore(sh->host_lock, flags);
+
+ spin_lock_irqsave(&vha->hw->hardware_lock, flags);
+ node = btree_lookup32(&lport->lport_fcport_map, rport->port_id);
+ if (node) {
+ rc = btree_update32(&lport->lport_fcport_map,
+ rport->port_id, se_nacl);
+ } else {
+ rc = btree_insert32(&lport->lport_fcport_map,
+ rport->port_id, se_nacl,
+ GFP_ATOMIC);
+ }
+ spin_unlock_irqrestore(&vha->hw->hardware_lock, flags);
+
+ if (rc) {
+ pr_err("Unable to insert se_nacl into fcport_map");
+ WARN_ON(rc > 0);
+ return rc;
+ }
+
+ pr_debug("Inserted into fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%08x\n",
+ se_nacl, rport_wwnn, nacl->nport_id);
+
+ return 1;
+ }
+ spin_unlock_irqrestore(sh->host_lock, flags);
+
+ return 0;
+}
+
+/*
+ * Expected to be called with struct qla_hw_data->hardware_lock held
+ */
+static void tcm_qla2xxx_clear_nacl_from_fcport_map(struct qla_tgt_sess *sess)
+{
+ struct se_node_acl *se_nacl = sess->se_sess->se_node_acl;
+ struct se_portal_group *se_tpg = se_nacl->se_tpg;
+ struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
+ struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
+ struct tcm_qla2xxx_nacl, se_node_acl);
+ void *node;
+
+ pr_debug("fc_rport domain: port_id 0x%06x\n", nacl->nport_id);
+
+ node = btree_remove32(&lport->lport_fcport_map, nacl->nport_id);
+ WARN_ON(node && (node != se_nacl));
+
+ pr_debug("Removed from fcport_map: %p for WWNN: 0x%016LX, port_id: 0x%06x\n",
+ se_nacl, nacl->nport_wwnn, nacl->nport_id);
+}
+
+static void tcm_qla2xxx_put_sess(struct qla_tgt_sess *sess)
+{
+ target_put_session(sess->se_sess);
+}
+
+static void tcm_qla2xxx_shutdown_sess(struct qla_tgt_sess *sess)
+{
+ tcm_qla2xxx_shutdown_session(sess->se_sess);
+}
+
+static struct se_node_acl *tcm_qla2xxx_make_nodeacl(
+ struct se_portal_group *se_tpg,
+ struct config_group *group,
+ const char *name)
+{
+ struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
+ struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct se_node_acl *se_nacl, *se_nacl_new;
+ struct tcm_qla2xxx_nacl *nacl;
+ u64 wwnn;
+ u32 qla2xxx_nexus_depth;
+ int rc;
+
+ if (tcm_qla2xxx_parse_wwn(name, &wwnn, 1) < 0)
+ return ERR_PTR(-EINVAL);
+
+ se_nacl_new = tcm_qla2xxx_alloc_fabric_acl(se_tpg);
+ if (!se_nacl_new)
+ return ERR_PTR(-ENOMEM);
+/* #warning FIXME: Hardcoded qla2xxx_nexus depth in tcm_qla2xxx_make_nodeacl */
+ qla2xxx_nexus_depth = 1;
+
+ /*
+ * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
+ * when converting a NodeACL from demo mode -> explict
+ */
+ se_nacl = core_tpg_add_initiator_node_acl(se_tpg, se_nacl_new,
+ name, qla2xxx_nexus_depth);
+ if (IS_ERR(se_nacl)) {
+ tcm_qla2xxx_release_fabric_acl(se_tpg, se_nacl_new);
+ return se_nacl;
+ }
+ /*
+ * Locate our struct tcm_qla2xxx_nacl and set the FC Nport WWPN
+ */
+ nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
+ nacl->nport_wwnn = wwnn;
+ tcm_qla2xxx_format_wwn(&nacl->nport_name[0], TCM_QLA2XXX_NAMELEN, wwnn);
+ /*
+ * Setup a se_nacl handle based on an a matching struct fc_rport setup
+ * via drivers/scsi/qla2xxx/qla_init.c:qla2x00_reg_remote_port()
+ */
+ rc = tcm_qla2xxx_setup_nacl_from_rport(se_tpg, se_nacl, lport,
+ nacl, wwnn);
+ if (rc < 0) {
+ tcm_qla2xxx_release_fabric_acl(se_tpg, se_nacl_new);
+ return ERR_PTR(rc);
+ }
+
+ return se_nacl;
+}
+
+static void tcm_qla2xxx_drop_nodeacl(struct se_node_acl *se_acl)
+{
+ struct se_portal_group *se_tpg = se_acl->se_tpg;
+ struct tcm_qla2xxx_nacl *nacl = container_of(se_acl,
+ struct tcm_qla2xxx_nacl, se_node_acl);
+
+ core_tpg_del_initiator_node_acl(se_tpg, se_acl, 1);
+ kfree(nacl);
+}
+
+/* Start items for tcm_qla2xxx_tpg_attrib_cit */
+
+#define DEF_QLA_TPG_ATTRIB(name) \
+ \
+static ssize_t tcm_qla2xxx_tpg_attrib_show_##name( \
+ struct se_portal_group *se_tpg, \
+ char *page) \
+{ \
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
+ struct tcm_qla2xxx_tpg, se_tpg); \
+ \
+ return sprintf(page, "%u\n", QLA_TPG_ATTRIB(tpg)->name); \
+} \
+ \
+static ssize_t tcm_qla2xxx_tpg_attrib_store_##name( \
+ struct se_portal_group *se_tpg, \
+ const char *page, \
+ size_t count) \
+{ \
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg, \
+ struct tcm_qla2xxx_tpg, se_tpg); \
+ unsigned long val; \
+ int ret; \
+ \
+ ret = kstrtoul(page, 0, &val); \
+ if (ret < 0) { \
+ pr_err("kstrtoul() failed with" \
+ " ret: %d\n", ret); \
+ return -EINVAL; \
+ } \
+ ret = tcm_qla2xxx_set_attrib_##name(tpg, val); \
+ \
+ return (!ret) ? count : -EINVAL; \
+}
+
+#define DEF_QLA_TPG_ATTR_BOOL(_name) \
+ \
+static int tcm_qla2xxx_set_attrib_##_name( \
+ struct tcm_qla2xxx_tpg *tpg, \
+ unsigned long val) \
+{ \
+ struct tcm_qla2xxx_tpg_attrib *a = &tpg->tpg_attrib; \
+ \
+ if ((val != 0) && (val != 1)) { \
+ pr_err("Illegal boolean value %lu\n", val); \
+ return -EINVAL; \
+ } \
+ \
+ a->_name = val; \
+ return 0; \
+}
+
+#define QLA_TPG_ATTR(_name, _mode) \
+ TF_TPG_ATTRIB_ATTR(tcm_qla2xxx, _name, _mode);
+
+/*
+ * Define tcm_qla2xxx_tpg_attrib_s_generate_node_acls
+ */
+DEF_QLA_TPG_ATTR_BOOL(generate_node_acls);
+DEF_QLA_TPG_ATTRIB(generate_node_acls);
+QLA_TPG_ATTR(generate_node_acls, S_IRUGO | S_IWUSR);
+
+/*
+ Define tcm_qla2xxx_attrib_s_cache_dynamic_acls
+ */
+DEF_QLA_TPG_ATTR_BOOL(cache_dynamic_acls);
+DEF_QLA_TPG_ATTRIB(cache_dynamic_acls);
+QLA_TPG_ATTR(cache_dynamic_acls, S_IRUGO | S_IWUSR);
+
+/*
+ * Define tcm_qla2xxx_tpg_attrib_s_demo_mode_write_protect
+ */
+DEF_QLA_TPG_ATTR_BOOL(demo_mode_write_protect);
+DEF_QLA_TPG_ATTRIB(demo_mode_write_protect);
+QLA_TPG_ATTR(demo_mode_write_protect, S_IRUGO | S_IWUSR);
+
+/*
+ * Define tcm_qla2xxx_tpg_attrib_s_prod_mode_write_protect
+ */
+DEF_QLA_TPG_ATTR_BOOL(prod_mode_write_protect);
+DEF_QLA_TPG_ATTRIB(prod_mode_write_protect);
+QLA_TPG_ATTR(prod_mode_write_protect, S_IRUGO | S_IWUSR);
+
+static struct configfs_attribute *tcm_qla2xxx_tpg_attrib_attrs[] = {
+ &tcm_qla2xxx_tpg_attrib_generate_node_acls.attr,
+ &tcm_qla2xxx_tpg_attrib_cache_dynamic_acls.attr,
+ &tcm_qla2xxx_tpg_attrib_demo_mode_write_protect.attr,
+ &tcm_qla2xxx_tpg_attrib_prod_mode_write_protect.attr,
+ NULL,
+};
+
+/* End items for tcm_qla2xxx_tpg_attrib_cit */
+
+static ssize_t tcm_qla2xxx_tpg_show_enable(
+ struct se_portal_group *se_tpg,
+ char *page)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+
+ return snprintf(page, PAGE_SIZE, "%d\n",
+ atomic_read(&tpg->lport_tpg_enabled));
+}
+
+static ssize_t tcm_qla2xxx_tpg_store_enable(
+ struct se_portal_group *se_tpg,
+ const char *page,
+ size_t count)
+{
+ struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
+ struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ unsigned long op;
+ int rc;
+
+ rc = kstrtoul(page, 0, &op);
+ if (rc < 0) {
+ pr_err("kstrtoul() returned %d\n", rc);
+ return -EINVAL;
+ }
+ if ((op != 1) && (op != 0)) {
+ pr_err("Illegal value for tpg_enable: %lu\n", op);
+ return -EINVAL;
+ }
+
+ if (op) {
+ atomic_set(&tpg->lport_tpg_enabled, 1);
+ qlt_enable_vha(vha);
+ } else {
+ if (!ha->tgt.qla_tgt) {
+ pr_err("truct qla_hw_data *ha->tgt.qla_tgt is NULL\n");
+ return -ENODEV;
+ }
+ atomic_set(&tpg->lport_tpg_enabled, 0);
+ qlt_stop_phase1(ha->tgt.qla_tgt);
+ }
+
+ return count;
+}
+
+TF_TPG_BASE_ATTR(tcm_qla2xxx, enable, S_IRUGO | S_IWUSR);
+
+static struct configfs_attribute *tcm_qla2xxx_tpg_attrs[] = {
+ &tcm_qla2xxx_tpg_enable.attr,
+ NULL,
+};
+
+static struct se_portal_group *tcm_qla2xxx_make_tpg(
+ struct se_wwn *wwn,
+ struct config_group *group,
+ const char *name)
+{
+ struct tcm_qla2xxx_lport *lport = container_of(wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct tcm_qla2xxx_tpg *tpg;
+ unsigned long tpgt;
+ int ret;
+
+ if (strstr(name, "tpgt_") != name)
+ return ERR_PTR(-EINVAL);
+ if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX)
+ return ERR_PTR(-EINVAL);
+
+ if (!lport->qla_npiv_vp && (tpgt != 1)) {
+ pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
+ return ERR_PTR(-ENOSYS);
+ }
+
+ tpg = kzalloc(sizeof(struct tcm_qla2xxx_tpg), GFP_KERNEL);
+ if (!tpg) {
+ pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
+ return ERR_PTR(-ENOMEM);
+ }
+ tpg->lport = lport;
+ tpg->lport_tpgt = tpgt;
+ /*
+ * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
+ * NodeACLs
+ */
+ QLA_TPG_ATTRIB(tpg)->generate_node_acls = 1;
+ QLA_TPG_ATTRIB(tpg)->demo_mode_write_protect = 1;
+ QLA_TPG_ATTRIB(tpg)->cache_dynamic_acls = 1;
+
+ ret = core_tpg_register(&tcm_qla2xxx_fabric_configfs->tf_ops, wwn,
+ &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ if (ret < 0) {
+ kfree(tpg);
+ return NULL;
+ }
+ /*
+ * Setup local TPG=1 pointer for non NPIV mode.
+ */
+ if (lport->qla_npiv_vp == NULL)
+ lport->tpg_1 = tpg;
+
+ return &tpg->se_tpg;
+}
+
+static void tcm_qla2xxx_drop_tpg(struct se_portal_group *se_tpg)
+{
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ struct tcm_qla2xxx_lport *lport = tpg->lport;
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct qla_hw_data *ha = vha->hw;
+ /*
+ * Call into qla2x_target.c LLD logic to shutdown the active
+ * FC Nexuses and disable target mode operation for this qla_hw_data
+ */
+ if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stop)
+ qlt_stop_phase1(ha->tgt.qla_tgt);
+
+ core_tpg_deregister(se_tpg);
+ /*
+ * Clear local TPG=1 pointer for non NPIV mode.
+ */
+ if (lport->qla_npiv_vp == NULL)
+ lport->tpg_1 = NULL;
+
+ kfree(tpg);
+}
+
+static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
+ struct se_wwn *wwn,
+ struct config_group *group,
+ const char *name)
+{
+ struct tcm_qla2xxx_lport *lport = container_of(wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct tcm_qla2xxx_tpg *tpg;
+ unsigned long tpgt;
+ int ret;
+
+ if (strstr(name, "tpgt_") != name)
+ return ERR_PTR(-EINVAL);
+ if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX)
+ return ERR_PTR(-EINVAL);
+
+ tpg = kzalloc(sizeof(struct tcm_qla2xxx_tpg), GFP_KERNEL);
+ if (!tpg) {
+ pr_err("Unable to allocate struct tcm_qla2xxx_tpg\n");
+ return ERR_PTR(-ENOMEM);
+ }
+ tpg->lport = lport;
+ tpg->lport_tpgt = tpgt;
+
+ ret = core_tpg_register(&tcm_qla2xxx_npiv_fabric_configfs->tf_ops, wwn,
+ &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
+ if (ret < 0) {
+ kfree(tpg);
+ return NULL;
+ }
+ return &tpg->se_tpg;
+}
+
+/*
+ * Expected to be called with struct qla_hw_data->hardware_lock held
+ */
+static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id(
+ scsi_qla_host_t *vha,
+ const uint8_t *s_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct tcm_qla2xxx_lport *lport;
+ struct se_node_acl *se_nacl;
+ struct tcm_qla2xxx_nacl *nacl;
+ u32 key;
+
+ lport = ha->tgt.target_lport_ptr;
+ if (!lport) {
+ pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
+ dump_stack();
+ return NULL;
+ }
+
+ key = (((unsigned long)s_id[0] << 16) |
+ ((unsigned long)s_id[1] << 8) |
+ (unsigned long)s_id[2]);
+ pr_debug("find_sess_by_s_id: 0x%06x\n", key);
+
+ se_nacl = btree_lookup32(&lport->lport_fcport_map, key);
+ if (!se_nacl) {
+ pr_debug("Unable to locate s_id: 0x%06x\n", key);
+ return NULL;
+ }
+ pr_debug("find_sess_by_s_id: located se_nacl: %p, initiatorname: %s\n",
+ se_nacl, se_nacl->initiatorname);
+
+ nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
+ if (!nacl->qla_tgt_sess) {
+ pr_err("Unable to locate struct qla_tgt_sess\n");
+ return NULL;
+ }
+
+ return nacl->qla_tgt_sess;
+}
+
+/*
+ * Expected to be called with struct qla_hw_data->hardware_lock held
+ */
+static void tcm_qla2xxx_set_sess_by_s_id(
+ struct tcm_qla2xxx_lport *lport,
+ struct se_node_acl *new_se_nacl,
+ struct tcm_qla2xxx_nacl *nacl,
+ struct se_session *se_sess,
+ struct qla_tgt_sess *qla_tgt_sess,
+ uint8_t *s_id)
+{
+ u32 key;
+ void *slot;
+ int rc;
+
+ key = (((unsigned long)s_id[0] << 16) |
+ ((unsigned long)s_id[1] << 8) |
+ (unsigned long)s_id[2]);
+ pr_debug("set_sess_by_s_id: %06x\n", key);
+
+ slot = btree_lookup32(&lport->lport_fcport_map, key);
+ if (!slot) {
+ if (new_se_nacl) {
+ pr_debug("Setting up new fc_port entry to new_se_nacl\n");
+ nacl->nport_id = key;
+ rc = btree_insert32(&lport->lport_fcport_map, key,
+ new_se_nacl, GFP_ATOMIC);
+ if (rc)
+ printk(KERN_ERR "Unable to insert s_id into fcport_map: %06x\n",
+ (int)key);
+ } else {
+ pr_debug("Wiping nonexisting fc_port entry\n");
+ }
+
+ qla_tgt_sess->se_sess = se_sess;
+ nacl->qla_tgt_sess = qla_tgt_sess;
+ return;
+ }
+
+ if (nacl->qla_tgt_sess) {
+ if (new_se_nacl == NULL) {
+ pr_debug("Clearing existing nacl->qla_tgt_sess and fc_port entry\n");
+ btree_remove32(&lport->lport_fcport_map, key);
+ nacl->qla_tgt_sess = NULL;
+ return;
+ }
+ pr_debug("Replacing existing nacl->qla_tgt_sess and fc_port entry\n");
+ btree_update32(&lport->lport_fcport_map, key, new_se_nacl);
+ qla_tgt_sess->se_sess = se_sess;
+ nacl->qla_tgt_sess = qla_tgt_sess;
+ return;
+ }
+
+ if (new_se_nacl == NULL) {
+ pr_debug("Clearing existing fc_port entry\n");
+ btree_remove32(&lport->lport_fcport_map, key);
+ return;
+ }
+
+ pr_debug("Replacing existing fc_port entry w/o active nacl->qla_tgt_sess\n");
+ btree_update32(&lport->lport_fcport_map, key, new_se_nacl);
+ qla_tgt_sess->se_sess = se_sess;
+ nacl->qla_tgt_sess = qla_tgt_sess;
+
+ pr_debug("Setup nacl->qla_tgt_sess %p by s_id for se_nacl: %p, initiatorname: %s\n",
+ nacl->qla_tgt_sess, new_se_nacl, new_se_nacl->initiatorname);
+}
+
+/*
+ * Expected to be called with struct qla_hw_data->hardware_lock held
+ */
+static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_loop_id(
+ scsi_qla_host_t *vha,
+ const uint16_t loop_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct tcm_qla2xxx_lport *lport;
+ struct se_node_acl *se_nacl;
+ struct tcm_qla2xxx_nacl *nacl;
+ struct tcm_qla2xxx_fc_loopid *fc_loopid;
+
+ lport = ha->tgt.target_lport_ptr;
+ if (!lport) {
+ pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
+ dump_stack();
+ return NULL;
+ }
+
+ pr_debug("find_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id);
+
+ fc_loopid = lport->lport_loopid_map + loop_id;
+ se_nacl = fc_loopid->se_nacl;
+ if (!se_nacl) {
+ pr_debug("Unable to locate se_nacl by loop_id: 0x%04x\n",
+ loop_id);
+ return NULL;
+ }
+
+ nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
+
+ if (!nacl->qla_tgt_sess) {
+ pr_err("Unable to locate struct qla_tgt_sess\n");
+ return NULL;
+ }
+
+ return nacl->qla_tgt_sess;
+}
+
+/*
+ * Expected to be called with struct qla_hw_data->hardware_lock held
+ */
+static void tcm_qla2xxx_set_sess_by_loop_id(
+ struct tcm_qla2xxx_lport *lport,
+ struct se_node_acl *new_se_nacl,
+ struct tcm_qla2xxx_nacl *nacl,
+ struct se_session *se_sess,
+ struct qla_tgt_sess *qla_tgt_sess,
+ uint16_t loop_id)
+{
+ struct se_node_acl *saved_nacl;
+ struct tcm_qla2xxx_fc_loopid *fc_loopid;
+
+ pr_debug("set_sess_by_loop_id: Using loop_id: 0x%04x\n", loop_id);
+
+ fc_loopid = &((struct tcm_qla2xxx_fc_loopid *)
+ lport->lport_loopid_map)[loop_id];
+
+ saved_nacl = fc_loopid->se_nacl;
+ if (!saved_nacl) {
+ pr_debug("Setting up new fc_loopid->se_nacl to new_se_nacl\n");
+ fc_loopid->se_nacl = new_se_nacl;
+ if (qla_tgt_sess->se_sess != se_sess)
+ qla_tgt_sess->se_sess = se_sess;
+ if (nacl->qla_tgt_sess != qla_tgt_sess)
+ nacl->qla_tgt_sess = qla_tgt_sess;
+ return;
+ }
+
+ if (nacl->qla_tgt_sess) {
+ if (new_se_nacl == NULL) {
+ pr_debug("Clearing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
+ fc_loopid->se_nacl = NULL;
+ nacl->qla_tgt_sess = NULL;
+ return;
+ }
+
+ pr_debug("Replacing existing nacl->qla_tgt_sess and fc_loopid->se_nacl\n");
+ fc_loopid->se_nacl = new_se_nacl;
+ if (qla_tgt_sess->se_sess != se_sess)
+ qla_tgt_sess->se_sess = se_sess;
+ if (nacl->qla_tgt_sess != qla_tgt_sess)
+ nacl->qla_tgt_sess = qla_tgt_sess;
+ return;
+ }
+
+ if (new_se_nacl == NULL) {
+ pr_debug("Clearing fc_loopid->se_nacl\n");
+ fc_loopid->se_nacl = NULL;
+ return;
+ }
+
+ pr_debug("Replacing existing fc_loopid->se_nacl w/o active nacl->qla_tgt_sess\n");
+ fc_loopid->se_nacl = new_se_nacl;
+ if (qla_tgt_sess->se_sess != se_sess)
+ qla_tgt_sess->se_sess = se_sess;
+ if (nacl->qla_tgt_sess != qla_tgt_sess)
+ nacl->qla_tgt_sess = qla_tgt_sess;
+
+ pr_debug("Setup nacl->qla_tgt_sess %p by loop_id for se_nacl: %p, initiatorname: %s\n",
+ nacl->qla_tgt_sess, new_se_nacl, new_se_nacl->initiatorname);
+}
+
+static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
+{
+ struct qla_tgt *tgt = sess->tgt;
+ struct qla_hw_data *ha = tgt->ha;
+ struct se_session *se_sess;
+ struct se_node_acl *se_nacl;
+ struct tcm_qla2xxx_lport *lport;
+ struct tcm_qla2xxx_nacl *nacl;
+ unsigned char be_sid[3];
+ unsigned long flags;
+
+ BUG_ON(in_interrupt());
+
+ se_sess = sess->se_sess;
+ if (!se_sess) {
+ pr_err("struct qla_tgt_sess->se_sess is NULL\n");
+ dump_stack();
+ return;
+ }
+ se_nacl = se_sess->se_node_acl;
+ nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
+
+ lport = ha->tgt.target_lport_ptr;
+ if (!lport) {
+ pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
+ dump_stack();
+ return;
+ }
+ target_wait_for_sess_cmds(se_sess, 0);
+ /*
+ * And now clear the se_nacl and session pointers from our HW lport
+ * mappings for fabric S_ID and LOOP_ID.
+ */
+ memset(&be_sid, 0, 3);
+ be_sid[0] = sess->s_id.b.domain;
+ be_sid[1] = sess->s_id.b.area;
+ be_sid[2] = sess->s_id.b.al_pa;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ tcm_qla2xxx_set_sess_by_s_id(lport, NULL, nacl, se_sess,
+ sess, be_sid);
+ tcm_qla2xxx_set_sess_by_loop_id(lport, NULL, nacl, se_sess,
+ sess, sess->loop_id);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ transport_deregister_session_configfs(sess->se_sess);
+ transport_deregister_session(sess->se_sess);
+}
+
+/*
+ * Called via qlt_create_sess():ha->qla2x_tmpl->check_initiator_node_acl()
+ * to locate struct se_node_acl
+ */
+static int tcm_qla2xxx_check_initiator_node_acl(
+ scsi_qla_host_t *vha,
+ unsigned char *fc_wwpn,
+ void *qla_tgt_sess,
+ uint8_t *s_id,
+ uint16_t loop_id)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct tcm_qla2xxx_lport *lport;
+ struct tcm_qla2xxx_tpg *tpg;
+ struct tcm_qla2xxx_nacl *nacl;
+ struct se_portal_group *se_tpg;
+ struct se_node_acl *se_nacl;
+ struct se_session *se_sess;
+ struct qla_tgt_sess *sess = qla_tgt_sess;
+ unsigned char port_name[36];
+ unsigned long flags;
+
+ lport = ha->tgt.target_lport_ptr;
+ if (!lport) {
+ pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
+ dump_stack();
+ return -EINVAL;
+ }
+ /*
+ * Locate the TPG=1 reference..
+ */
+ tpg = lport->tpg_1;
+ if (!tpg) {
+ pr_err("Unable to lcoate struct tcm_qla2xxx_lport->tpg_1\n");
+ return -EINVAL;
+ }
+ se_tpg = &tpg->se_tpg;
+
+ se_sess = transport_init_session();
+ if (IS_ERR(se_sess)) {
+ pr_err("Unable to initialize struct se_session\n");
+ return PTR_ERR(se_sess);
+ }
+ /*
+ * Format the FCP Initiator port_name into colon seperated values to
+ * match the format by tcm_qla2xxx explict ConfigFS NodeACLs.
+ */
+ memset(&port_name, 0, 36);
+ snprintf(port_name, 36, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
+ fc_wwpn[0], fc_wwpn[1], fc_wwpn[2], fc_wwpn[3], fc_wwpn[4],
+ fc_wwpn[5], fc_wwpn[6], fc_wwpn[7]);
+ /*
+ * Locate our struct se_node_acl either from an explict NodeACL created
+ * via ConfigFS, or via running in TPG demo mode.
+ */
+ se_sess->se_node_acl = core_tpg_check_initiator_node_acl(se_tpg,
+ port_name);
+ if (!se_sess->se_node_acl) {
+ transport_free_session(se_sess);
+ return -EINVAL;
+ }
+ se_nacl = se_sess->se_node_acl;
+ nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
+ /*
+ * And now setup the new se_nacl and session pointers into our HW lport
+ * mappings for fabric S_ID and LOOP_ID.
+ */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ tcm_qla2xxx_set_sess_by_s_id(lport, se_nacl, nacl, se_sess,
+ qla_tgt_sess, s_id);
+ tcm_qla2xxx_set_sess_by_loop_id(lport, se_nacl, nacl, se_sess,
+ qla_tgt_sess, loop_id);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ /*
+ * Finally register the new FC Nexus with TCM
+ */
+ __transport_register_session(se_nacl->se_tpg, se_nacl, se_sess, sess);
+
+ return 0;
+}
+
+/*
+ * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path.
+ */
+static struct qla_tgt_func_tmpl tcm_qla2xxx_template = {
+ .handle_cmd = tcm_qla2xxx_handle_cmd,
+ .handle_data = tcm_qla2xxx_handle_data,
+ .handle_tmr = tcm_qla2xxx_handle_tmr,
+ .free_cmd = tcm_qla2xxx_free_cmd,
+ .free_mcmd = tcm_qla2xxx_free_mcmd,
+ .free_session = tcm_qla2xxx_free_session,
+ .check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl,
+ .find_sess_by_s_id = tcm_qla2xxx_find_sess_by_s_id,
+ .find_sess_by_loop_id = tcm_qla2xxx_find_sess_by_loop_id,
+ .clear_nacl_from_fcport_map = tcm_qla2xxx_clear_nacl_from_fcport_map,
+ .put_sess = tcm_qla2xxx_put_sess,
+ .shutdown_sess = tcm_qla2xxx_shutdown_sess,
+};
+
+static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
+{
+ int rc;
+
+ rc = btree_init32(&lport->lport_fcport_map);
+ if (rc) {
+ pr_err("Unable to initialize lport->lport_fcport_map btree\n");
+ return rc;
+ }
+
+ lport->lport_loopid_map = vmalloc(sizeof(struct tcm_qla2xxx_fc_loopid) *
+ 65536);
+ if (!lport->lport_loopid_map) {
+ pr_err("Unable to allocate lport->lport_loopid_map of %zu bytes\n",
+ sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
+ btree_destroy32(&lport->lport_fcport_map);
+ return -ENOMEM;
+ }
+ memset(lport->lport_loopid_map, 0, sizeof(struct tcm_qla2xxx_fc_loopid)
+ * 65536);
+ pr_debug("qla2xxx: Allocated lport_loopid_map of %zu bytes\n",
+ sizeof(struct tcm_qla2xxx_fc_loopid) * 65536);
+ return 0;
+}
+
+static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct tcm_qla2xxx_lport *lport;
+ /*
+ * Setup local pointer to vha, NPIV VP pointer (if present) and
+ * vha->tcm_lport pointer
+ */
+ lport = (struct tcm_qla2xxx_lport *)ha->tgt.target_lport_ptr;
+ lport->qla_vha = vha;
+
+ return 0;
+}
+
+static struct se_wwn *tcm_qla2xxx_make_lport(
+ struct target_fabric_configfs *tf,
+ struct config_group *group,
+ const char *name)
+{
+ struct tcm_qla2xxx_lport *lport;
+ u64 wwpn;
+ int ret = -ENODEV;
+
+ if (tcm_qla2xxx_parse_wwn(name, &wwpn, 1) < 0)
+ return ERR_PTR(-EINVAL);
+
+ lport = kzalloc(sizeof(struct tcm_qla2xxx_lport), GFP_KERNEL);
+ if (!lport) {
+ pr_err("Unable to allocate struct tcm_qla2xxx_lport\n");
+ return ERR_PTR(-ENOMEM);
+ }
+ lport->lport_wwpn = wwpn;
+ tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN,
+ wwpn);
+
+ ret = tcm_qla2xxx_init_lport(lport);
+ if (ret != 0)
+ goto out;
+
+ ret = qlt_lport_register(&tcm_qla2xxx_template, wwpn,
+ tcm_qla2xxx_lport_register_cb, lport);
+ if (ret != 0)
+ goto out_lport;
+
+ return &lport->lport_wwn;
+out_lport:
+ vfree(lport->lport_loopid_map);
+ btree_destroy32(&lport->lport_fcport_map);
+out:
+ kfree(lport);
+ return ERR_PTR(ret);
+}
+
+static void tcm_qla2xxx_drop_lport(struct se_wwn *wwn)
+{
+ struct tcm_qla2xxx_lport *lport = container_of(wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct se_node_acl *node;
+ u32 key = 0;
+
+ /*
+ * Call into qla2x_target.c LLD logic to complete the
+ * shutdown of struct qla_tgt after the call to
+ * qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
+ */
+ if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stopped)
+ qlt_stop_phase2(ha->tgt.qla_tgt);
+
+ qlt_lport_deregister(vha);
+
+ vfree(lport->lport_loopid_map);
+ btree_for_each_safe32(&lport->lport_fcport_map, key, node)
+ btree_remove32(&lport->lport_fcport_map, key);
+ btree_destroy32(&lport->lport_fcport_map);
+ kfree(lport);
+}
+
+static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
+ struct target_fabric_configfs *tf,
+ struct config_group *group,
+ const char *name)
+{
+ struct tcm_qla2xxx_lport *lport;
+ u64 npiv_wwpn, npiv_wwnn;
+ int ret;
+
+ if (tcm_qla2xxx_npiv_parse_wwn(name, strlen(name)+1,
+ &npiv_wwpn, &npiv_wwnn) < 0)
+ return ERR_PTR(-EINVAL);
+
+ lport = kzalloc(sizeof(struct tcm_qla2xxx_lport), GFP_KERNEL);
+ if (!lport) {
+ pr_err("Unable to allocate struct tcm_qla2xxx_lport for NPIV\n");
+ return ERR_PTR(-ENOMEM);
+ }
+ lport->lport_npiv_wwpn = npiv_wwpn;
+ lport->lport_npiv_wwnn = npiv_wwnn;
+ tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0],
+ TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
+
+/* FIXME: tcm_qla2xxx_npiv_make_lport */
+ ret = -ENOSYS;
+ if (ret != 0)
+ goto out;
+
+ return &lport->lport_wwn;
+out:
+ kfree(lport);
+ return ERR_PTR(ret);
+}
+
+static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn *wwn)
+{
+ struct tcm_qla2xxx_lport *lport = container_of(wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct Scsi_Host *sh = vha->host;
+ /*
+ * Notify libfc that we want to release the lport->npiv_vport
+ */
+ fc_vport_terminate(lport->npiv_vport);
+
+ scsi_host_put(sh);
+ kfree(lport);
+}
+
+
+static ssize_t tcm_qla2xxx_wwn_show_attr_version(
+ struct target_fabric_configfs *tf,
+ char *page)
+{
+ return sprintf(page,
+ "TCM QLOGIC QLA2XXX NPIV capable fabric module %s on %s/%s on "
+ UTS_RELEASE"\n", TCM_QLA2XXX_VERSION, utsname()->sysname,
+ utsname()->machine);
+}
+
+TF_WWN_ATTR_RO(tcm_qla2xxx, version);
+
+static struct configfs_attribute *tcm_qla2xxx_wwn_attrs[] = {
+ &tcm_qla2xxx_wwn_version.attr,
+ NULL,
+};
+
+static struct target_core_fabric_ops tcm_qla2xxx_ops = {
+ .get_fabric_name = tcm_qla2xxx_get_fabric_name,
+ .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
+ .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
+ .tpg_get_tag = tcm_qla2xxx_get_tag,
+ .tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
+ .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
+ .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
+ .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
+ .tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
+ .tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
+ .tpg_check_demo_mode_write_protect =
+ tcm_qla2xxx_check_demo_write_protect,
+ .tpg_check_prod_mode_write_protect =
+ tcm_qla2xxx_check_prod_write_protect,
+ .tpg_check_demo_mode_login_only = tcm_qla2xxx_check_true,
+ .tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
+ .tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
+ .tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
+ .new_cmd_map = NULL,
+ .check_stop_free = tcm_qla2xxx_check_stop_free,
+ .release_cmd = tcm_qla2xxx_release_cmd,
+ .shutdown_session = tcm_qla2xxx_shutdown_session,
+ .close_session = tcm_qla2xxx_close_session,
+ .sess_get_index = tcm_qla2xxx_sess_get_index,
+ .sess_get_initiator_sid = NULL,
+ .write_pending = tcm_qla2xxx_write_pending,
+ .write_pending_status = tcm_qla2xxx_write_pending_status,
+ .set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
+ .get_task_tag = tcm_qla2xxx_get_task_tag,
+ .get_cmd_state = tcm_qla2xxx_get_cmd_state,
+ .queue_data_in = tcm_qla2xxx_queue_data_in,
+ .queue_status = tcm_qla2xxx_queue_status,
+ .queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
+ .get_fabric_sense_len = tcm_qla2xxx_get_fabric_sense_len,
+ .set_fabric_sense_len = tcm_qla2xxx_set_fabric_sense_len,
+ /*
+ * Setup function pointers for generic logic in
+ * target_core_fabric_configfs.c
+ */
+ .fabric_make_wwn = tcm_qla2xxx_make_lport,
+ .fabric_drop_wwn = tcm_qla2xxx_drop_lport,
+ .fabric_make_tpg = tcm_qla2xxx_make_tpg,
+ .fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
+ .fabric_post_link = NULL,
+ .fabric_pre_unlink = NULL,
+ .fabric_make_np = NULL,
+ .fabric_drop_np = NULL,
+ .fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
+ .fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
+};
+
+static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
+ .get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
+ .get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
+ .tpg_get_wwn = tcm_qla2xxx_npiv_get_fabric_wwn,
+ .tpg_get_tag = tcm_qla2xxx_get_tag,
+ .tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
+ .tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
+ .tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
+ .tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
+ .tpg_check_demo_mode = tcm_qla2xxx_check_false,
+ .tpg_check_demo_mode_cache = tcm_qla2xxx_check_true,
+ .tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_true,
+ .tpg_check_prod_mode_write_protect = tcm_qla2xxx_check_false,
+ .tpg_check_demo_mode_login_only = tcm_qla2xxx_check_true,
+ .tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
+ .tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
+ .tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
+ .release_cmd = tcm_qla2xxx_release_cmd,
+ .shutdown_session = tcm_qla2xxx_shutdown_session,
+ .close_session = tcm_qla2xxx_close_session,
+ .sess_get_index = tcm_qla2xxx_sess_get_index,
+ .sess_get_initiator_sid = NULL,
+ .write_pending = tcm_qla2xxx_write_pending,
+ .write_pending_status = tcm_qla2xxx_write_pending_status,
+ .set_default_node_attributes = tcm_qla2xxx_set_default_node_attrs,
+ .get_task_tag = tcm_qla2xxx_get_task_tag,
+ .get_cmd_state = tcm_qla2xxx_get_cmd_state,
+ .queue_data_in = tcm_qla2xxx_queue_data_in,
+ .queue_status = tcm_qla2xxx_queue_status,
+ .queue_tm_rsp = tcm_qla2xxx_queue_tm_rsp,
+ .get_fabric_sense_len = tcm_qla2xxx_get_fabric_sense_len,
+ .set_fabric_sense_len = tcm_qla2xxx_set_fabric_sense_len,
+ /*
+ * Setup function pointers for generic logic in
+ * target_core_fabric_configfs.c
+ */
+ .fabric_make_wwn = tcm_qla2xxx_npiv_make_lport,
+ .fabric_drop_wwn = tcm_qla2xxx_npiv_drop_lport,
+ .fabric_make_tpg = tcm_qla2xxx_npiv_make_tpg,
+ .fabric_drop_tpg = tcm_qla2xxx_drop_tpg,
+ .fabric_post_link = NULL,
+ .fabric_pre_unlink = NULL,
+ .fabric_make_np = NULL,
+ .fabric_drop_np = NULL,
+ .fabric_make_nodeacl = tcm_qla2xxx_make_nodeacl,
+ .fabric_drop_nodeacl = tcm_qla2xxx_drop_nodeacl,
+};
+
+static int tcm_qla2xxx_register_configfs(void)
+{
+ struct target_fabric_configfs *fabric, *npiv_fabric;
+ int ret;
+
+ pr_debug("TCM QLOGIC QLA2XXX fabric module %s on %s/%s on "
+ UTS_RELEASE"\n", TCM_QLA2XXX_VERSION, utsname()->sysname,
+ utsname()->machine);
+ /*
+ * Register the top level struct config_item_type with TCM core
+ */
+ fabric = target_fabric_configfs_init(THIS_MODULE, "qla2xxx");
+ if (IS_ERR(fabric)) {
+ pr_err("target_fabric_configfs_init() failed\n");
+ return PTR_ERR(fabric);
+ }
+ /*
+ * Setup fabric->tf_ops from our local tcm_qla2xxx_ops
+ */
+ fabric->tf_ops = tcm_qla2xxx_ops;
+ /*
+ * Setup default attribute lists for various fabric->tf_cit_tmpl
+ */
+ TF_CIT_TMPL(fabric)->tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
+ TF_CIT_TMPL(fabric)->tfc_tpg_base_cit.ct_attrs = tcm_qla2xxx_tpg_attrs;
+ TF_CIT_TMPL(fabric)->tfc_tpg_attrib_cit.ct_attrs =
+ tcm_qla2xxx_tpg_attrib_attrs;
+ TF_CIT_TMPL(fabric)->tfc_tpg_param_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;
+ /*
+ * Register the fabric for use within TCM
+ */
+ ret = target_fabric_configfs_register(fabric);
+ if (ret < 0) {
+ pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
+ return ret;
+ }
+ /*
+ * Setup our local pointer to *fabric
+ */
+ tcm_qla2xxx_fabric_configfs = fabric;
+ pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_fabric_configfs\n");
+
+ /*
+ * Register the top level struct config_item_type for NPIV with TCM core
+ */
+ npiv_fabric = target_fabric_configfs_init(THIS_MODULE, "qla2xxx_npiv");
+ if (IS_ERR(npiv_fabric)) {
+ pr_err("target_fabric_configfs_init() failed\n");
+ ret = PTR_ERR(npiv_fabric);
+ goto out_fabric;
+ }
+ /*
+ * Setup fabric->tf_ops from our local tcm_qla2xxx_npiv_ops
+ */
+ npiv_fabric->tf_ops = tcm_qla2xxx_npiv_ops;
+ /*
+ * Setup default attribute lists for various npiv_fabric->tf_cit_tmpl
+ */
+ TF_CIT_TMPL(npiv_fabric)->tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_base_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_attrib_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_param_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_np_base_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_nacl_base_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_nacl_attrib_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_nacl_auth_cit.ct_attrs = NULL;
+ TF_CIT_TMPL(npiv_fabric)->tfc_tpg_nacl_param_cit.ct_attrs = NULL;
+ /*
+ * Register the npiv_fabric for use within TCM
+ */
+ ret = target_fabric_configfs_register(npiv_fabric);
+ if (ret < 0) {
+ pr_err("target_fabric_configfs_register() failed for TCM_QLA2XXX\n");
+ goto out_fabric;
+ }
+ /*
+ * Setup our local pointer to *npiv_fabric
+ */
+ tcm_qla2xxx_npiv_fabric_configfs = npiv_fabric;
+ pr_debug("TCM_QLA2XXX[0] - Set fabric -> tcm_qla2xxx_npiv_fabric_configfs\n");
+
+ tcm_qla2xxx_free_wq = alloc_workqueue("tcm_qla2xxx_free",
+ WQ_MEM_RECLAIM, 0);
+ if (!tcm_qla2xxx_free_wq) {
+ ret = -ENOMEM;
+ goto out_fabric_npiv;
+ }
+
+ tcm_qla2xxx_cmd_wq = alloc_workqueue("tcm_qla2xxx_cmd", 0, 0);
+ if (!tcm_qla2xxx_cmd_wq) {
+ ret = -ENOMEM;
+ goto out_free_wq;
+ }
+
+ return 0;
+
+out_free_wq:
+ destroy_workqueue(tcm_qla2xxx_free_wq);
+out_fabric_npiv:
+ target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs);
+out_fabric:
+ target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs);
+ return ret;
+}
+
+static void tcm_qla2xxx_deregister_configfs(void)
+{
+ destroy_workqueue(tcm_qla2xxx_cmd_wq);
+ destroy_workqueue(tcm_qla2xxx_free_wq);
+
+ target_fabric_configfs_deregister(tcm_qla2xxx_fabric_configfs);
+ tcm_qla2xxx_fabric_configfs = NULL;
+ pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_fabric_configfs\n");
+
+ target_fabric_configfs_deregister(tcm_qla2xxx_npiv_fabric_configfs);
+ tcm_qla2xxx_npiv_fabric_configfs = NULL;
+ pr_debug("TCM_QLA2XXX[0] - Cleared tcm_qla2xxx_npiv_fabric_configfs\n");
+}
+
+static int __init tcm_qla2xxx_init(void)
+{
+ int ret;
+
+ ret = tcm_qla2xxx_register_configfs();
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static void __exit tcm_qla2xxx_exit(void)
+{
+ tcm_qla2xxx_deregister_configfs();
+}
+
+MODULE_DESCRIPTION("TCM QLA2XXX series NPIV enabled fabric driver");
+MODULE_LICENSE("GPL");
+module_init(tcm_qla2xxx_init);
+module_exit(tcm_qla2xxx_exit);
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
new file mode 100644
index 00000000000..82549810335
--- /dev/null
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -0,0 +1,82 @@
+#include <target/target_core_base.h>
+#include <linux/btree.h>
+
+#define TCM_QLA2XXX_VERSION "v0.1"
+/* length of ASCII WWPNs including pad */
+#define TCM_QLA2XXX_NAMELEN 32
+/* lenth of ASCII NPIV 'WWPN+WWNN' including pad */
+#define TCM_QLA2XXX_NPIV_NAMELEN 66
+
+#include "qla_target.h"
+
+struct tcm_qla2xxx_nacl {
+ /* From libfc struct fc_rport->port_id */
+ u32 nport_id;
+ /* Binary World Wide unique Node Name for remote FC Initiator Nport */
+ u64 nport_wwnn;
+ /* ASCII formatted WWPN for FC Initiator Nport */
+ char nport_name[TCM_QLA2XXX_NAMELEN];
+ /* Pointer to qla_tgt_sess */
+ struct qla_tgt_sess *qla_tgt_sess;
+ /* Pointer to TCM FC nexus */
+ struct se_session *nport_nexus;
+ /* Returned by tcm_qla2xxx_make_nodeacl() */
+ struct se_node_acl se_node_acl;
+};
+
+struct tcm_qla2xxx_tpg_attrib {
+ int generate_node_acls;
+ int cache_dynamic_acls;
+ int demo_mode_write_protect;
+ int prod_mode_write_protect;
+};
+
+struct tcm_qla2xxx_tpg {
+ /* FC lport target portal group tag for TCM */
+ u16 lport_tpgt;
+ /* Atomic bit to determine TPG active status */
+ atomic_t lport_tpg_enabled;
+ /* Pointer back to tcm_qla2xxx_lport */
+ struct tcm_qla2xxx_lport *lport;
+ /* Used by tcm_qla2xxx_tpg_attrib_cit */
+ struct tcm_qla2xxx_tpg_attrib tpg_attrib;
+ /* Returned by tcm_qla2xxx_make_tpg() */
+ struct se_portal_group se_tpg;
+};
+
+#define QLA_TPG_ATTRIB(tpg) (&(tpg)->tpg_attrib)
+
+struct tcm_qla2xxx_fc_loopid {
+ struct se_node_acl *se_nacl;
+};
+
+struct tcm_qla2xxx_lport {
+ /* SCSI protocol the lport is providing */
+ u8 lport_proto_id;
+ /* Binary World Wide unique Port Name for FC Target Lport */
+ u64 lport_wwpn;
+ /* Binary World Wide unique Port Name for FC NPIV Target Lport */
+ u64 lport_npiv_wwpn;
+ /* Binary World Wide unique Node Name for FC NPIV Target Lport */
+ u64 lport_npiv_wwnn;
+ /* ASCII formatted WWPN for FC Target Lport */
+ char lport_name[TCM_QLA2XXX_NAMELEN];
+ /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */
+ char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN];
+ /* map for fc_port pointers in 24-bit FC Port ID space */
+ struct btree_head32 lport_fcport_map;
+ /* vmalloc-ed memory for fc_port pointers for 16-bit FC loop ID */
+ struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
+ /* Pointer to struct scsi_qla_host from qla2xxx LLD */
+ struct scsi_qla_host *qla_vha;
+ /* Pointer to struct scsi_qla_host for NPIV VP from qla2xxx LLD */
+ struct scsi_qla_host *qla_npiv_vp;
+ /* Pointer to struct qla_tgt pointer */
+ struct qla_tgt lport_qla_tgt;
+ /* Pointer to struct fc_vport for NPIV vport from libfc */
+ struct fc_vport *npiv_vport;
+ /* Pointer to TPG=1 for non NPIV mode */
+ struct tcm_qla2xxx_tpg *tpg_1;
+ /* Returned by tcm_qla2xxx_make_lport() */
+ struct se_wwn lport_wwn;
+};
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 17:47:45 +0000