lpfc 8.3.8: BugFixes: SLI relates changes

diff -upNr a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -99,7 +99,7 @@ int lpfc_disc_state_machine(struct lpfc_
 
 void lpfc_do_scr_ns_plogi(struct lpfc_hba *, struct lpfc_vport *);
 int lpfc_check_sparm(struct lpfc_vport *, struct lpfc_nodelist *,
-		     struct serv_parm *, uint32_t);
+		     struct serv_parm *, uint32_t, int);
 int lpfc_els_abort(struct lpfc_hba *, struct lpfc_nodelist *);
 void lpfc_more_plogi(struct lpfc_vport *);
 void lpfc_more_adisc(struct lpfc_vport *);

diff -upNr a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
@@ -4385,7 +4385,7 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vp
 
 	did = Fabric_DID;
 
-	if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3))) {
+	if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1))) {
 		/* For a FLOGI we accept, then if our portname is greater
 		 * then the remote portname we initiate Nport login.
 		 */

diff -upNr a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1465,17 +1465,13 @@ typedef struct {		/* FireFly BIU registe
 #define CMD_IOCB_LOGENTRY_CN		0x94
 #define CMD_IOCB_LOGENTRY_ASYNC_CN	0x96
 
-/* Unhandled Data Security SLI Commands */
-#define DSSCMD_IWRITE64_CR 		0xD8
-#define DSSCMD_IWRITE64_CX		0xD9
-#define DSSCMD_IREAD64_CR		0xDA
-#define DSSCMD_IREAD64_CX		0xDB
-#define DSSCMD_INVALIDATE_DEK		0xDC
-#define DSSCMD_SET_KEK			0xDD
-#define DSSCMD_GET_KEK_ID		0xDE
-#define DSSCMD_GEN_XFER			0xDF
+/* Data Security SLI Commands */
+#define DSSCMD_IWRITE64_CR		0xF8
+#define DSSCMD_IWRITE64_CX		0xF9
+#define DSSCMD_IREAD64_CR		0xFA
+#define DSSCMD_IREAD64_CX		0xFB
 
-#define CMD_MAX_IOCB_CMD        0xE6
+#define CMD_MAX_IOCB_CMD        0xFB
 #define CMD_IOCB_MASK           0xff
 
 #define MAX_MSG_DATA            28	/* max msg data in CMD_ADAPTER_MSG

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diff -upNr a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -626,6 +626,7 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hb
 		&phba->sli4_hba.lpfc_abts_scsi_buf_list, list) {
 		if (psb->cur_iocbq.sli4_xritag == xri) {
 			list_del(&psb->list);
+			psb->exch_busy = 0;
 			psb->status = IOSTAT_SUCCESS;
 			spin_unlock_irqrestore(
 				&phba->sli4_hba.abts_scsi_buf_list_lock,

@@ -688,11 +689,12 @@ lpfc_sli4_repost_scsi_sgl_list(struct lp
 					 list);
 			if (status) {
 				/* Put this back on the abort scsi list */
-				psb->status = IOSTAT_LOCAL_REJECT;
-				psb->result = IOERR_ABORT_REQUESTED;
+				psb->exch_busy = 1;
 				rc++;
-			} else
+			} else {
+				psb->exch_busy = 0;
 				psb->status = IOSTAT_SUCCESS;
+			}
 			/* Put it back into the SCSI buffer list */
 			lpfc_release_scsi_buf_s4(phba, psb);
 		}

@@ -839,11 +841,12 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *
 						psb->cur_iocbq.sli4_xritag);
 			if (status) {
 				/* Put this back on the abort scsi list */
-				psb->status = IOSTAT_LOCAL_REJECT;
-				psb->result = IOERR_ABORT_REQUESTED;
+				psb->exch_busy = 1;
 				rc++;
-			} else
+			} else {
+				psb->exch_busy = 0;
 				psb->status = IOSTAT_SUCCESS;
+			}
 			/* Put it back into the SCSI buffer list */
 			lpfc_release_scsi_buf_s4(phba, psb);
 			break;

@@ -857,11 +860,12 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *
 				 list);
 			if (status) {
 				/* Put this back on the abort scsi list */
-				psb->status = IOSTAT_LOCAL_REJECT;
-				psb->result = IOERR_ABORT_REQUESTED;
+				psb->exch_busy = 1;
 				rc++;
-			} else
+			} else {
+				psb->exch_busy = 0;
 				psb->status = IOSTAT_SUCCESS;
+			}
 			/* Put it back into the SCSI buffer list */
 			lpfc_release_scsi_buf_s4(phba, psb);
 		}

@@ -951,8 +955,7 @@ lpfc_release_scsi_buf_s4(struct lpfc_hba
 {
 	unsigned long iflag = 0;
 
-	if (psb->status == IOSTAT_LOCAL_REJECT
-		&& psb->result == IOERR_ABORT_REQUESTED) {
+	if (psb->exch_busy) {
 		spin_lock_irqsave(&phba->sli4_hba.abts_scsi_buf_list_lock,
 					iflag);
 		psb->pCmd = NULL;

@@ -2221,6 +2224,9 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba 
 
 	lpfc_cmd->result = pIocbOut->iocb.un.ulpWord[4];
 	lpfc_cmd->status = pIocbOut->iocb.ulpStatus;
+	/* pick up SLI4 exhange busy status from HBA */
+	lpfc_cmd->exch_busy = pIocbOut->iocb_flag & LPFC_EXCHANGE_BUSY;
+
 	if (pnode && NLP_CHK_NODE_ACT(pnode))
 		atomic_dec(&pnode->cmd_pending);
 

@@ -2990,6 +2996,7 @@ lpfc_abort_handler(struct scsi_cmnd *cmn
 
 	/* ABTS WQE must go to the same WQ as the WQE to be aborted */
 	abtsiocb->fcp_wqidx = iocb->fcp_wqidx;
+	abtsiocb->iocb_flag |= LPFC_USE_FCPWQIDX;
 
 	if (lpfc_is_link_up(phba))
 		icmd->ulpCommand = CMD_ABORT_XRI_CN;

diff -upNr a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -118,6 +118,7 @@ struct lpfc_scsi_buf {
 
 	uint32_t timeout;
 
+	uint16_t exch_busy;     /* SLI4 hba reported XB on complete WCQE */
 	uint16_t status;	/* From IOCB Word 7- ulpStatus */
 	uint32_t result;	/* From IOCB Word 4. */
 

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diff -upNr a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
@@ -53,17 +53,19 @@ struct lpfc_iocbq {
 
 	IOCB_t iocb;		/* IOCB cmd */
 	uint8_t retry;		/* retry counter for IOCB cmd - if needed */
-	uint8_t iocb_flag;
+	uint16_t iocb_flag;
 #define LPFC_IO_LIBDFC		1	/* libdfc iocb */
 #define LPFC_IO_WAKE		2	/* High Priority Queue signal flag */
 #define LPFC_IO_FCP		4	/* FCP command -- iocbq in scsi_buf */
 #define LPFC_DRIVER_ABORTED	8	/* driver aborted this request */
 #define LPFC_IO_FABRIC		0x10	/* Iocb send using fabric scheduler */
 #define LPFC_DELAY_MEM_FREE	0x20    /* Defer free'ing of FC data */
-#define LPFC_FIP_ELS_ID_MASK	0xc0	/* ELS_ID range 0-3 */
-#define LPFC_FIP_ELS_ID_SHIFT	6
+#define LPFC_EXCHANGE_BUSY	0x40    /* SLI4 hba reported XB in response */
+#define LPFC_USE_FCPWQIDX	0x80    /* Submit to specified FCPWQ index */
+
+#define LPFC_FIP_ELS_ID_MASK	0xc000	/* ELS_ID range 0-3, non-shifted mask */
+#define LPFC_FIP_ELS_ID_SHIFT	14
 
-	uint8_t abort_count;
 	uint8_t rsvd2;
 	uint32_t drvrTimeout;	/* driver timeout in seconds */
 	uint32_t fcp_wqidx;	/* index to FCP work queue */