[SCSI] lpfc 8.3.4: Add bsg (SGIOv4) support for ELS/CT support

Add bsg (SGIOv4) support for sending and receiving ELS, CT commands

This patch adds a new file, lpfc_bsg.c.

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 8cca3619c745..aa10f7951634 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -441,6 +441,12 @@ enum intr_type_t {
         MSIX,
 };
 
+struct unsol_rcv_ct_ctx {
+        uint32_t ctxt_id;
+        uint32_t SID;
+        uint32_t oxid;
+};
+
 struct lpfc_hba {
         /* SCSI interface function jump table entries */
         int (*lpfc_new_scsi_buf)
@@ -776,6 +782,11 @@ struct lpfc_hba {
         uint8_t valid_vlan;
         uint16_t vlan_id;
         struct list_head fcf_conn_rec_list;
+
+        struct mutex ct_event_mutex; /* synchronize access to ct_ev_waiters */
+        struct list_head ct_ev_waiters;
+        struct unsol_rcv_ct_ctx ct_ctx[64];
+        uint32_t ctx_idx;
 };
 
 static inline struct Scsi_Host *