[SCSI] lpfc 8.3.0 : Add BlockGuard support (T10-DIF) structs and defs

Update struct definitions, #defines, sysfs entries, and initialization
to support BlockGuard.

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

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index fee14ae9353d..960ba307613a 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -29,8 +29,10 @@ struct lpfc_sli2_slim;
 #define LPFC_MAX_NS_RETRY       3       /* Number of retry attempts to contact
                                            the NameServer  before giving up. */
 #define LPFC_CMD_PER_LUN        3       /* max outstanding cmds per lun */
-#define LPFC_DEFAULT_SG_SEG_CNT 64      /* sg element count per scsi cmnd */
-#define LPFC_MAX_SG_SEG_CNT     256     /* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_SG_SEG_CNT 64      /* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
+#define LPFC_MAX_SG_SEG_CNT     4096    /* sg element count per scsi cmnd */
+#define LPFC_MAX_PROT_SG_SEG_CNT 4096   /* prot sg element count per scsi cmd*/
 #define LPFC_IOCB_LIST_CNT      2250    /* list of IOCBs for fast-path usage. */
 #define LPFC_Q_RAMP_UP_INTERVAL 120     /* lun q_depth ramp up interval */
 #define LPFC_VNAME_LEN          100     /* vport symbolic name length */
@@ -426,6 +428,7 @@ struct lpfc_hba {
 #define LPFC_SLI3_VPORT_TEARDOWN        0x04
 #define LPFC_SLI3_CRP_ENABLED           0x08
 #define LPFC_SLI3_INB_ENABLED           0x10
+#define LPFC_SLI3_BG_ENABLED            0x20
         uint32_t iocb_cmd_size;
         uint32_t iocb_rsp_size;
 
@@ -499,12 +502,14 @@ struct lpfc_hba {
         uint32_t cfg_poll_tmo;
         uint32_t cfg_use_msi;
         uint32_t cfg_sg_seg_cnt;
+        uint32_t cfg_prot_sg_seg_cnt;
         uint32_t cfg_sg_dma_buf_size;
         uint64_t cfg_soft_wwnn;
         uint64_t cfg_soft_wwpn;
         uint32_t cfg_hba_queue_depth;
         uint32_t cfg_enable_hba_reset;
         uint32_t cfg_enable_hba_heartbeat;
+        uint32_t cfg_enable_bg;
 
         lpfc_vpd_t vpd;         /* vital product data */
 
@@ -570,6 +575,9 @@ struct lpfc_hba {
         uint64_t fc4InputRequests;
         uint64_t fc4OutputRequests;
         uint64_t fc4ControlRequests;
+        uint64_t bg_guard_err_cnt;
+        uint64_t bg_apptag_err_cnt;
+        uint64_t bg_reftag_err_cnt;
 
         struct lpfc_sysfs_mbox sysfs_mbox;
 
@@ -619,6 +627,8 @@ struct lpfc_hba {
         struct dentry *debug_hbqinfo;
         struct dentry *debug_dumpHostSlim;
         struct dentry *debug_dumpHBASlim;
+        struct dentry *debug_dumpData;   /* BlockGuard BPL*/
+        struct dentry *debug_dumpDif;    /* BlockGuard BPL*/
         struct dentry *debug_slow_ring_trc;
         struct lpfc_debugfs_trc *slow_ring_trc;
         atomic_t slow_ring_trc_cnt;