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scsi: lpfc: Add MDS Diagnostic support.

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Added code to support Cisco MDS loopback diagnostic. The diagnostics run
various loopbacks including one which loops-back frame through the
driver.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart
2017-05-15 15:20:51 -07:00
committed by Martin K. Petersen
parent dc53a61852
commit ae9e28f36a
6 changed files with 161 additions and 10 deletions
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2
drivers/scsi/lpfc/lpfc.h
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@@ -675,6 +675,8 @@ struct lpfc_hba {
/* INIT_LINK mailbox command */
#define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */
#define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */
#define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */
#define LS_MDS_LOOPBACK 0x16 /* MDS Diagnostics Link Up (Loopback) */
uint32_t hba_flag; /* hba generic flags */
#define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */