[SCSI] lpfc 8.3.0 : Add BlockGuard support (T10-DIF) code

Add SCSI data path, error handling, and debugfs code to complete
BlockGuard support.

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

1 files changed, 12 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 632feee233ca..01dfdc8696f8 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -542,6 +542,7 @@ lpfc_sli_submit_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
          */
         nextiocb->iocb.ulpIoTag = (nextiocb->iocb_cmpl) ? nextiocb->iotag : 0;
 
+
         if (pring->ringno == LPFC_ELS_RING) {
                 lpfc_debugfs_slow_ring_trc(phba,
                         "IOCB cmd ring:   wd4:x%08x wd6:x%08x wd7:x%08x",
@@ -3044,7 +3045,8 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
                 phba->sli3_options &= ~(LPFC_SLI3_NPIV_ENABLED |
                                         LPFC_SLI3_HBQ_ENABLED |
                                         LPFC_SLI3_CRP_ENABLED |
-                                        LPFC_SLI3_INB_ENABLED);
+                                        LPFC_SLI3_INB_ENABLED |
+                                        LPFC_SLI3_BG_ENABLED);
                 if (rc != MBX_SUCCESS) {
                         lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
                                 "0442 Adapter failed to init, mbxCmd x%x "
@@ -3089,6 +3091,15 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
                         phba->inb_ha_copy = NULL;
                         phba->inb_counter = NULL;
                 }
+
+                if (phba->cfg_enable_bg) {
+                        if (pmb->mb.un.varCfgPort.gbg)
+                                phba->sli3_options |= LPFC_SLI3_BG_ENABLED;
+                        else
+                                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+                                                "0443 Adapter did not grant "
+                                                "BlockGuard\n");
+                }
         } else {
                 phba->hbq_get = NULL;
                 phba->port_gp = phba->mbox->us.s2.port;