[SCSI] bfa: Support for FC BB credit recovery

This patch includes changes to  1) Enable/disable fc credit recovery on
Brocade FC adapter port operating at max supported speed. 2) Get credit
recovery status and stats related to credit loss and recovered credits

Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_defs.h b/drivers/scsi/bfa/bfa_defs.h
index 0efdf312b42c..bdd1bae971ef 100644
--- a/drivers/scsi/bfa/bfa_defs.h
+++ b/drivers/scsi/bfa/bfa_defs.h
@@ -185,6 +185,8 @@ enum bfa_status {
         BFA_STATUS_FAA_DISABLED = 198,  /* FAA is already disabled */
         BFA_STATUS_FAA_ACQUIRED = 199,  /* FAA is already acquired */
         BFA_STATUS_FAA_ACQ_ADDR = 200,  /* Acquiring addr */
+        BFA_STATUS_BBCR_FC_ONLY = 201, /*!< BBCredit Recovery is supported for *
+                                        * FC mode only */
         BFA_STATUS_ERROR_TRUNK_ENABLED = 203,   /* Trunk enabled on adapter */
         BFA_STATUS_MAX_ENTRY_REACHED = 212,     /* MAX entry reached */
         BFA_STATUS_TOPOLOGY_LOOP = 230, /* Topology is set to Loop */
@@ -198,6 +200,14 @@ enum bfa_status {
         BFA_STATUS_CMD_NOTSUPP_MEZZ = 239, /* Cmd not supported for MEZZ card */
         BFA_STATUS_FRU_NOT_PRESENT = 240, /* fru module not present */
         BFA_STATUS_DPORT_ERR = 245,     /* D-port mode is enabled */
+        BFA_STATUS_ERR_BBCR_SPEED_UNSUPPORT = 258, /*!< BB credit recovery is
+                                        * supported at max port speed alone */
+        BFA_STATUS_ERROR_BBCR_ENABLED  = 259, /*!< BB credit recovery
+                                        * is enabled */
+        BFA_STATUS_INVALID_BBSCN = 260, /*!< Invalid BBSCN value.
+                                         * Valid range is [1-15] */
+        BFA_STATUS_BBCR_CFG_NO_CHANGE = 265, /*!< BBCR is operational.
+                        * Disable BBCR and try this operation again. */
         BFA_STATUS_MAX_VAL              /* Unknown error code */
 };
 #define bfa_status_t enum bfa_status