diff options
Diffstat (limited to 'drivers/usb/gadget/legacy/tcm_usb_gadget.c')
| -rw-r--r-- | drivers/usb/gadget/legacy/tcm_usb_gadget.c | 192 |
1 files changed, 12 insertions, 180 deletions
diff --git a/drivers/usb/gadget/legacy/tcm_usb_gadget.c b/drivers/usb/gadget/legacy/tcm_usb_gadget.c index 6ce932f90ef8..c3c48088fced 100644 --- a/drivers/usb/gadget/legacy/tcm_usb_gadget.c +++ b/drivers/usb/gadget/legacy/tcm_usb_gadget.c @@ -20,7 +20,6 @@ #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 <asm/unaligned.h> @@ -28,8 +27,6 @@ USB_GADGET_COMPOSITE_OPTIONS(); -static const struct target_core_fabric_ops usbg_ops; - static inline struct f_uas *to_f_uas(struct usb_function *f) { return container_of(f, struct f_uas, function); @@ -1111,6 +1108,7 @@ static int usbg_submit_command(struct f_uas *fu, memcpy(cmd->cmd_buf, cmd_iu->cdb, cmd_len); cmd->tag = be16_to_cpup(&cmd_iu->tag); + cmd->se_cmd.tag = cmd->tag; if (fu->flags & USBG_USE_STREAMS) { if (cmd->tag > UASP_SS_EP_COMP_NUM_STREAMS) goto err; @@ -1244,6 +1242,7 @@ static int bot_submit_command(struct f_uas *fu, cmd->unpacked_lun = cbw->Lun; cmd->is_read = cbw->Flags & US_BULK_FLAG_IN ? 1 : 0; cmd->data_len = le32_to_cpu(cbw->DataTransferLength); + cmd->se_cmd.tag = le32_to_cpu(cmd->bot_tag); INIT_WORK(&cmd->work, bot_cmd_work); ret = queue_work(tpg->workqueue, &cmd->work); @@ -1273,23 +1272,6 @@ static char *usbg_get_fabric_name(void) return "usb_gadget"; } -static u8 usbg_get_fabric_proto_ident(struct se_portal_group *se_tpg) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - u8 proto_id; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - proto_id = sas_get_fabric_proto_ident(se_tpg); - break; - } - - return proto_id; -} - static char *usbg_get_fabric_wwn(struct se_portal_group *se_tpg) { struct usbg_tpg *tpg = container_of(se_tpg, @@ -1306,97 +1288,6 @@ static u16 usbg_get_tag(struct se_portal_group *se_tpg) return tpg->tport_tpgt; } -static u32 usbg_get_default_depth(struct se_portal_group *se_tpg) -{ - return 1; -} - -static u32 usbg_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 usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - int ret = 0; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - ret = sas_get_pr_transport_id(se_tpg, se_nacl, pr_reg, - format_code, buf); - break; - } - - return ret; -} - -static u32 usbg_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 usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - int ret = 0; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - ret = sas_get_pr_transport_id_len(se_tpg, se_nacl, pr_reg, - format_code); - break; - } - - return ret; -} - -static char *usbg_parse_pr_out_transport_id( - struct se_portal_group *se_tpg, - const char *buf, - u32 *out_tid_len, - char **port_nexus_ptr) -{ - struct usbg_tpg *tpg = container_of(se_tpg, - struct usbg_tpg, se_tpg); - struct usbg_tport *tport = tpg->tport; - char *tid = NULL; - - switch (tport->tport_proto_id) { - case SCSI_PROTOCOL_SAS: - default: - tid = sas_parse_pr_out_transport_id(se_tpg, buf, out_tid_len, - port_nexus_ptr); - } - - return tid; -} - -static struct se_node_acl *usbg_alloc_fabric_acl(struct se_portal_group *se_tpg) -{ - struct usbg_nacl *nacl; - - nacl = kzalloc(sizeof(struct usbg_nacl), GFP_KERNEL); - if (!nacl) - return NULL; - - return &nacl->se_node_acl; -} - -static void usbg_release_fabric_acl( - struct se_portal_group *se_tpg, - struct se_node_acl *se_nacl) -{ - struct usbg_nacl *nacl = container_of(se_nacl, - struct usbg_nacl, se_node_acl); - kfree(nacl); -} - static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg) { return 1; @@ -1447,18 +1338,6 @@ static void usbg_set_default_node_attrs(struct se_node_acl *nacl) return; } -static u32 usbg_get_task_tag(struct se_cmd *se_cmd) -{ - struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd, - se_cmd); - struct f_uas *fu = cmd->fu; - - if (fu->flags & USBG_IS_BOT) - return le32_to_cpu(cmd->bot_tag); - else - return cmd->tag; -} - static int usbg_get_cmd_state(struct se_cmd *se_cmd) { return 0; @@ -1488,50 +1367,11 @@ static const char *usbg_check_wwn(const char *name) return n; } -static struct se_node_acl *usbg_make_nodeacl( - struct se_portal_group *se_tpg, - struct config_group *group, - const char *name) -{ - struct se_node_acl *se_nacl, *se_nacl_new; - struct usbg_nacl *nacl; - u64 wwpn = 0; - u32 nexus_depth; - const char *wnn_name; - - wnn_name = usbg_check_wwn(name); - if (!wnn_name) - return ERR_PTR(-EINVAL); - se_nacl_new = usbg_alloc_fabric_acl(se_tpg); - if (!(se_nacl_new)) - return ERR_PTR(-ENOMEM); - - 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, nexus_depth); - if (IS_ERR(se_nacl)) { - usbg_release_fabric_acl(se_tpg, se_nacl_new); - return se_nacl; - } - /* - * Locate our struct usbg_nacl and set the FC Nport WWPN - */ - nacl = container_of(se_nacl, struct usbg_nacl, se_node_acl); - nacl->iport_wwpn = wwpn; - snprintf(nacl->iport_name, sizeof(nacl->iport_name), "%s", name); - return se_nacl; -} - -static void usbg_drop_nodeacl(struct se_node_acl *se_acl) +static int usbg_init_nodeacl(struct se_node_acl *se_nacl, const char *name) { - struct usbg_nacl *nacl = container_of(se_acl, - struct usbg_nacl, se_node_acl); - core_tpg_del_initiator_node_acl(se_acl->se_tpg, se_acl, 1); - kfree(nacl); + if (!usbg_check_wwn(name)) + return -EINVAL; + return 0; } struct usbg_tpg *the_only_tpg_I_currently_have; @@ -1571,8 +1411,11 @@ static struct se_portal_group *usbg_make_tpg( tpg->tport = tport; tpg->tport_tpgt = tpgt; - ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg, tpg, - TRANSPORT_TPG_TYPE_NORMAL); + /* + * SPC doesn't assign a protocol identifier for USB-SCSI, so we + * pretend to be SAS.. + */ + ret = core_tpg_register(wwn, &tpg->se_tpg, SCSI_PROTOCOL_SAS); if (ret < 0) { destroy_workqueue(tpg->workqueue); kfree(tpg); @@ -1866,19 +1709,12 @@ static const struct target_core_fabric_ops usbg_ops = { .module = THIS_MODULE, .name = "usb_gadget", .get_fabric_name = usbg_get_fabric_name, - .get_fabric_proto_ident = usbg_get_fabric_proto_ident, .tpg_get_wwn = usbg_get_fabric_wwn, .tpg_get_tag = usbg_get_tag, - .tpg_get_default_depth = usbg_get_default_depth, - .tpg_get_pr_transport_id = usbg_get_pr_transport_id, - .tpg_get_pr_transport_id_len = usbg_get_pr_transport_id_len, - .tpg_parse_pr_out_transport_id = usbg_parse_pr_out_transport_id, .tpg_check_demo_mode = usbg_check_true, .tpg_check_demo_mode_cache = usbg_check_false, .tpg_check_demo_mode_write_protect = usbg_check_false, .tpg_check_prod_mode_write_protect = usbg_check_false, - .tpg_alloc_fabric_acl = usbg_alloc_fabric_acl, - .tpg_release_fabric_acl = usbg_release_fabric_acl, .tpg_get_inst_index = usbg_tpg_get_inst_index, .release_cmd = usbg_release_cmd, .shutdown_session = usbg_shutdown_session, @@ -1888,7 +1724,6 @@ static const struct target_core_fabric_ops usbg_ops = { .write_pending = usbg_send_write_request, .write_pending_status = usbg_write_pending_status, .set_default_node_attributes = usbg_set_default_node_attrs, - .get_task_tag = usbg_get_task_tag, .get_cmd_state = usbg_get_cmd_state, .queue_data_in = usbg_send_read_response, .queue_status = usbg_send_status_response, @@ -1902,10 +1737,7 @@ static const struct target_core_fabric_ops usbg_ops = { .fabric_drop_tpg = usbg_drop_tpg, .fabric_post_link = usbg_port_link, .fabric_pre_unlink = usbg_port_unlink, - .fabric_make_np = NULL, - .fabric_drop_np = NULL, - .fabric_make_nodeacl = usbg_make_nodeacl, - .fabric_drop_nodeacl = usbg_drop_nodeacl, + .fabric_init_nodeacl = usbg_init_nodeacl, .tfc_wwn_attrs = usbg_wwn_attrs, .tfc_tpg_base_attrs = usbg_base_attrs, |