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authorSakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>2013-02-27 20:25:25 +0530
committerJames Bottomley <JBottomley@Parallels.com>2013-05-10 07:47:46 -0700
commite590adfd2b35aecb3ea5e7cf3fe4e322b75f348d (patch)
tree1405a81c1ad2d67c5d458ded80620bc0cc3e0f5c /drivers
parente574210170c4a9a1bf1d3afd158d06edd3a840de (diff)
downloadlinux-linaro-stable-e590adfd2b35aecb3ea5e7cf3fe4e322b75f348d.tar.gz
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
Memory allocation and configuration of multiple inbound and outbound queues. Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com> Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com> Acked-by: Jack Wang <jack_wang@usish.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/pm8001/pm8001_defs.h14
-rw-r--r--drivers/scsi/pm8001/pm8001_hwi.c43
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c101
3 files changed, 98 insertions, 60 deletions
diff --git a/drivers/scsi/pm8001/pm8001_defs.h b/drivers/scsi/pm8001/pm8001_defs.h
index b25f87c8f469..26a2ee6f7a6d 100644
--- a/drivers/scsi/pm8001/pm8001_defs.h
+++ b/drivers/scsi/pm8001/pm8001_defs.h
@@ -48,8 +48,7 @@ enum chip_flavors {
chip_8018,
chip_8019
};
-#define USI_MAX_MEMCNT 9
-#define PM8001_MAX_DMA_SG SG_ALL
+
enum phy_speed {
PHY_SPEED_15 = 0x01,
PHY_SPEED_30 = 0x02,
@@ -87,13 +86,16 @@ enum port_type {
#define PM8001_MAX_DEVICES 2048 /* max supported device */
#define PM8001_MAX_MSIX_VEC 64 /* max msi-x int for spcv/ve */
+#define USI_MAX_MEMCNT_BASE 4
+#define IB (USI_MAX_MEMCNT_BASE + 1)
+#define CI (IB + PM8001_MAX_SPCV_INB_NUM)
+#define OB (CI + PM8001_MAX_SPCV_INB_NUM)
+#define PI (OB + PM8001_MAX_SPCV_OUTB_NUM)
+#define USI_MAX_MEMCNT (PI + PM8001_MAX_SPCV_OUTB_NUM)
+#define PM8001_MAX_DMA_SG SG_ALL
enum memory_region_num {
AAP1 = 0x0, /* application acceleration processor */
IOP, /* IO processor */
- CI, /* consumer index */
- PI, /* producer index */
- IB, /* inbound queue */
- OB, /* outbound queue */
NVMD, /* NVM device */
DEV_MEM, /* memory for devices */
CCB_MEM, /* memory for command control block */
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 9846ee648384..83f9ff46c123 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -151,10 +151,9 @@ static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
*/
static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
{
- int inbQ_num = 1;
int i;
void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
- for (i = 0; i < inbQ_num; i++) {
+ for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
u32 offset = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
@@ -169,10 +168,9 @@ static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
*/
static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
{
- int outbQ_num = 1;
int i;
void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
- for (i = 0; i < outbQ_num; i++) {
+ for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
u32 offset = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
@@ -225,19 +223,19 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x00<<30);
pm8001_ha->inbnd_q_tbl[i].upper_base_addr =
- pm8001_ha->memoryMap.region[IB].phys_addr_hi;
+ pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].lower_base_addr =
- pm8001_ha->memoryMap.region[IB].phys_addr_lo;
+ pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].base_virt =
- (u8 *)pm8001_ha->memoryMap.region[IB].virt_ptr;
+ (u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
pm8001_ha->inbnd_q_tbl[i].total_length =
- pm8001_ha->memoryMap.region[IB].total_len;
+ pm8001_ha->memoryMap.region[IB + i].total_len;
pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr =
- pm8001_ha->memoryMap.region[CI].phys_addr_hi;
+ pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr =
- pm8001_ha->memoryMap.region[CI].phys_addr_lo;
+ pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].ci_virt =
- pm8001_ha->memoryMap.region[CI].virt_ptr;
+ pm8001_ha->memoryMap.region[CI + i].virt_ptr;
offsetib = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(addressib,
@@ -251,21 +249,21 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->outbnd_q_tbl[i].element_size_cnt =
PM8001_MPI_QUEUE | (64 << 16) | (0x01<<30);
pm8001_ha->outbnd_q_tbl[i].upper_base_addr =
- pm8001_ha->memoryMap.region[OB].phys_addr_hi;
+ pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].lower_base_addr =
- pm8001_ha->memoryMap.region[OB].phys_addr_lo;
+ pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
pm8001_ha->outbnd_q_tbl[i].base_virt =
- (u8 *)pm8001_ha->memoryMap.region[OB].virt_ptr;
+ (u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
pm8001_ha->outbnd_q_tbl[i].total_length =
- pm8001_ha->memoryMap.region[OB].total_len;
+ pm8001_ha->memoryMap.region[OB + i].total_len;
pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr =
- pm8001_ha->memoryMap.region[PI].phys_addr_hi;
+ pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr =
- pm8001_ha->memoryMap.region[PI].phys_addr_lo;
+ pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay =
- 0 | (10 << 16) | (0 << 24);
+ 0 | (10 << 16) | (i << 24);
pm8001_ha->outbnd_q_tbl[i].pi_virt =
- pm8001_ha->memoryMap.region[PI].virt_ptr;
+ pm8001_ha->memoryMap.region[PI + i].virt_ptr;
offsetob = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(addressob,
@@ -641,6 +639,7 @@ static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
*/
static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
{
+ u8 i = 0;
/* check the firmware status */
if (-1 == check_fw_ready(pm8001_ha)) {
PM8001_FAIL_DBG(pm8001_ha,
@@ -657,8 +656,10 @@ static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
read_outbnd_queue_table(pm8001_ha);
/* update main config table ,inbound table and outbound table */
update_main_config_table(pm8001_ha);
- update_inbnd_queue_table(pm8001_ha, 0);
- update_outbnd_queue_table(pm8001_ha, 0);
+ for (i = 0; i < PM8001_MAX_INB_NUM; i++)
+ update_inbnd_queue_table(pm8001_ha, i);
+ for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
+ update_outbnd_queue_table(pm8001_ha, i);
mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
/* 7->130ms, 34->500ms, 119->1.5s */
mpi_set_open_retry_interval_reg(pm8001_ha, 119);
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index f3234b2a0d79..98686b982302 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -199,10 +199,14 @@ static irqreturn_t pm8001_interrupt(int irq, void *opaque)
* @pm8001_ha:our hba structure.
*
*/
-static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha)
+static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha,
+ const struct pci_device_id *ent)
{
int i;
spin_lock_init(&pm8001_ha->lock);
+ PM8001_INIT_DBG(pm8001_ha,
+ pm8001_printk("pm8001_alloc: PHY:%x\n",
+ pm8001_ha->chip->n_phy));
for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
pm8001_phy_init(pm8001_ha, i);
pm8001_ha->port[i].wide_port_phymap = 0;
@@ -226,30 +230,57 @@ static int pm8001_alloc(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->memoryMap.region[IOP].total_len = PM8001_EVENT_LOG_SIZE;
pm8001_ha->memoryMap.region[IOP].alignment = 32;
- /* MPI Memory region 3 for consumer Index of inbound queues */
- pm8001_ha->memoryMap.region[CI].num_elements = 1;
- pm8001_ha->memoryMap.region[CI].element_size = 4;
- pm8001_ha->memoryMap.region[CI].total_len = 4;
- pm8001_ha->memoryMap.region[CI].alignment = 4;
-
- /* MPI Memory region 4 for producer Index of outbound queues */
- pm8001_ha->memoryMap.region[PI].num_elements = 1;
- pm8001_ha->memoryMap.region[PI].element_size = 4;
- pm8001_ha->memoryMap.region[PI].total_len = 4;
- pm8001_ha->memoryMap.region[PI].alignment = 4;
-
- /* MPI Memory region 5 inbound queues */
- pm8001_ha->memoryMap.region[IB].num_elements = PM8001_MPI_QUEUE;
- pm8001_ha->memoryMap.region[IB].element_size = 64;
- pm8001_ha->memoryMap.region[IB].total_len = PM8001_MPI_QUEUE * 64;
- pm8001_ha->memoryMap.region[IB].alignment = 64;
-
- /* MPI Memory region 6 outbound queues */
- pm8001_ha->memoryMap.region[OB].num_elements = PM8001_MPI_QUEUE;
- pm8001_ha->memoryMap.region[OB].element_size = 64;
- pm8001_ha->memoryMap.region[OB].total_len = PM8001_MPI_QUEUE * 64;
- pm8001_ha->memoryMap.region[OB].alignment = 64;
+ for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
+ /* MPI Memory region 3 for consumer Index of inbound queues */
+ pm8001_ha->memoryMap.region[CI+i].num_elements = 1;
+ pm8001_ha->memoryMap.region[CI+i].element_size = 4;
+ pm8001_ha->memoryMap.region[CI+i].total_len = 4;
+ pm8001_ha->memoryMap.region[CI+i].alignment = 4;
+
+ if ((ent->driver_data) != chip_8001) {
+ /* MPI Memory region 5 inbound queues */
+ pm8001_ha->memoryMap.region[IB+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[IB+i].element_size = 128;
+ pm8001_ha->memoryMap.region[IB+i].total_len =
+ PM8001_MPI_QUEUE * 128;
+ pm8001_ha->memoryMap.region[IB+i].alignment = 128;
+ } else {
+ pm8001_ha->memoryMap.region[IB+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[IB+i].element_size = 64;
+ pm8001_ha->memoryMap.region[IB+i].total_len =
+ PM8001_MPI_QUEUE * 64;
+ pm8001_ha->memoryMap.region[IB+i].alignment = 64;
+ }
+ }
+
+ for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
+ /* MPI Memory region 4 for producer Index of outbound queues */
+ pm8001_ha->memoryMap.region[PI+i].num_elements = 1;
+ pm8001_ha->memoryMap.region[PI+i].element_size = 4;
+ pm8001_ha->memoryMap.region[PI+i].total_len = 4;
+ pm8001_ha->memoryMap.region[PI+i].alignment = 4;
+
+ if (ent->driver_data != chip_8001) {
+ /* MPI Memory region 6 Outbound queues */
+ pm8001_ha->memoryMap.region[OB+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[OB+i].element_size = 128;
+ pm8001_ha->memoryMap.region[OB+i].total_len =
+ PM8001_MPI_QUEUE * 128;
+ pm8001_ha->memoryMap.region[OB+i].alignment = 128;
+ } else {
+ /* MPI Memory region 6 Outbound queues */
+ pm8001_ha->memoryMap.region[OB+i].num_elements =
+ PM8001_MPI_QUEUE;
+ pm8001_ha->memoryMap.region[OB+i].element_size = 64;
+ pm8001_ha->memoryMap.region[OB+i].total_len =
+ PM8001_MPI_QUEUE * 64;
+ pm8001_ha->memoryMap.region[OB+i].alignment = 64;
+ }
+ }
/* Memory region write DMA*/
pm8001_ha->memoryMap.region[NVMD].num_elements = 1;
pm8001_ha->memoryMap.region[NVMD].element_size = 4096;
@@ -343,10 +374,12 @@ static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
ioremap(pm8001_ha->io_mem[logicalBar].membase,
pm8001_ha->io_mem[logicalBar].memsize);
PM8001_INIT_DBG(pm8001_ha,
- pm8001_printk("PCI: bar %d, logicalBar %d "
- "virt_addr=%lx,len=%d\n", bar, logicalBar,
- (unsigned long)
- pm8001_ha->io_mem[logicalBar].memvirtaddr,
+ pm8001_printk("PCI: bar %d, logicalBar %d ",
+ bar, logicalBar));
+ PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
+ "base addr %llx virt_addr=%llx len=%d\n",
+ (u64)pm8001_ha->io_mem[logicalBar].membase,
+ (u64)pm8001_ha->io_mem[logicalBar].memvirtaddr,
pm8001_ha->io_mem[logicalBar].memsize));
} else {
pm8001_ha->io_mem[logicalBar].membase = 0;
@@ -365,8 +398,9 @@ static int pm8001_ioremap(struct pm8001_hba_info *pm8001_ha)
* @shost: scsi host struct which has been initialized before.
*/
static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
- u32 chip_id,
- struct Scsi_Host *shost)
+ const struct pci_device_id *ent,
+ struct Scsi_Host *shost)
+
{
struct pm8001_hba_info *pm8001_ha;
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
@@ -378,7 +412,7 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
pm8001_ha->pdev = pdev;
pm8001_ha->dev = &pdev->dev;
- pm8001_ha->chip_id = chip_id;
+ pm8001_ha->chip_id = ent->driver_data;
pm8001_ha->chip = &pm8001_chips[pm8001_ha->chip_id];
pm8001_ha->irq = pdev->irq;
pm8001_ha->sas = sha;
@@ -391,7 +425,7 @@ static struct pm8001_hba_info *pm8001_pci_alloc(struct pci_dev *pdev,
(unsigned long)pm8001_ha);
#endif
pm8001_ioremap(pm8001_ha);
- if (!pm8001_alloc(pm8001_ha))
+ if (!pm8001_alloc(pm8001_ha, ent))
return pm8001_ha;
pm8001_free(pm8001_ha);
return NULL;
@@ -669,7 +703,8 @@ static int pm8001_pci_probe(struct pci_dev *pdev,
goto err_out_free;
}
pci_set_drvdata(pdev, SHOST_TO_SAS_HA(shost));
- pm8001_ha = pm8001_pci_alloc(pdev, chip_8001, shost);
+ /* ent->driver variable is used to differentiate between controllers */
+ pm8001_ha = pm8001_pci_alloc(pdev, ent, shost);
if (!pm8001_ha) {
rc = -ENOMEM;
goto err_out_free;