[SCSI] lpfc 8.3.5: fix sysfs parameters, vport creation and other bug…

…s and update logging

This patch include the following fixes and changes:
- Fix crash when "error" is echoed to board_mode sysfs parameter
- Fix FCoE Parameter parsing in regions 23
- Fix driver crash when creating vport with large number of targets on SLI4
- Fix bug with npiv message being logged when it is not supported by the adapter
- Fix a potential dereferencing mailbox structure after free bug
- Fix firmware crash after vport create with high target count
- Error out requests to set board_mode to warm restart via sysfs on SLI4 HBAs
- Fix Block guard logging
- Fix a memory corruption issue during GID_FT IO prep
- Fix crash while processing unsolicited FC frames
- Fix failed to allocate XRI message is not a critical failure
- Update and fix formatting in some log messages
- Fix missing new line characters in log messages
- Removed the use of the locally defined FC transport layer related macros
- Check the rsplen in lpfc_handle_fcp_err function before using rsplen

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/lpfc/lpfc_attr.c

@@ -29,6 +29,7 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
 #include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -762,9 +763,15 @@ lpfc_board_mode_store(struct device *dev, struct device_attribute *attr,
 	} else if (strncmp(buf, "offline", sizeof("offline") - 1) == 0)
 		status = lpfc_do_offline(phba, LPFC_EVT_OFFLINE);
 	else if (strncmp(buf, "warm", sizeof("warm") - 1) == 0)
-		status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			return -EINVAL;
+		else
+			status = lpfc_do_offline(phba, LPFC_EVT_WARM_START);
 	else if (strncmp(buf, "error", sizeof("error") - 1) == 0)
-		status = lpfc_do_offline(phba, LPFC_EVT_KILL);
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			return -EINVAL;
+		else
+			status = lpfc_do_offline(phba, LPFC_EVT_KILL);
 	else
 		return -EINVAL;
 
@@ -2846,15 +2853,15 @@ LPFC_ATTR_R(multi_ring_support, 1, 1, 2, "Determines number of primary "
 # identifies what rctl value to configure the additional ring for.
 # Value range is [1,0xff]. Default value is 4 (Unsolicated Data).
 */
-LPFC_ATTR_R(multi_ring_rctl, FC_UNSOL_DATA, 1,
+LPFC_ATTR_R(multi_ring_rctl, FC_RCTL_DD_UNSOL_DATA, 1,
 	     255, "Identifies RCTL for additional ring configuration");
 
 /*
 # lpfc_multi_ring_type:  If lpfc_multi_ring_support is enabled, this
 # identifies what type value to configure the additional ring for.
 # Value range is [1,0xff]. Default value is 5 (LLC/SNAP).
 */
-LPFC_ATTR_R(multi_ring_type, FC_LLC_SNAP, 1,
+LPFC_ATTR_R(multi_ring_type, FC_TYPE_IP, 1,
 	     255, "Identifies TYPE for additional ring configuration");
 
 /*

drivers/scsi/lpfc/lpfc_bsg.c

@@ -26,6 +26,7 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
 #include <scsi/scsi_bsg_fc.h>
+#include <scsi/fc/fc_fs.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -148,8 +149,8 @@ lpfc_bsg_rport_ct(struct fc_bsg_job *job)
 	cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
 	cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 	cmd->un.genreq64.w5.hcsw.Dfctl = 0;
-	cmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
-	cmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+	cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
+	cmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 	cmd->ulpBdeCount = 1;
 	cmd->ulpLe = 1;
 	cmd->ulpClass = CLASS3;

drivers/scsi/lpfc/lpfc_ct.c

@@ -31,6 +31,7 @@
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
+#include <scsi/fc/fc_fs.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -336,8 +337,8 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 	/* Fill in rest of iocb */
 	icmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
 	icmd->un.genreq64.w5.hcsw.Dfctl = 0;
-	icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
-	icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
+	icmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CTL;
+	icmd->un.genreq64.w5.hcsw.Type = FC_TYPE_CT;
 
 	if (!tmo) {
 		 /* FC spec states we need 3 * ratov for CT requests */
@@ -395,9 +396,14 @@ lpfc_ct_cmd(struct lpfc_vport *vport, struct lpfc_dmabuf *inmp,
 	outmp = lpfc_alloc_ct_rsp(phba, cmdcode, bpl, rsp_size, &cnt);
 	if (!outmp)
 		return -ENOMEM;
-
+	/*
+	 * Form the CT IOCB.  The total number of BDEs in this IOCB
+	 * is the single command plus response count from
+	 * lpfc_alloc_ct_rsp.
+	 */
+	cnt += 1;
 	status = lpfc_gen_req(vport, bmp, inmp, outmp, cmpl, ndlp, 0,
-			      cnt+1, 0, retry);
+			      cnt, 0, retry);
 	if (status) {
 		lpfc_free_ct_rsp(phba, outmp);
 		return -ENOMEM;
@@ -533,6 +539,9 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
 							SLI_CTNS_GFF_ID,
 							0, Did) == 0)
 							vport->num_disc_nodes++;
+						else
+							lpfc_setup_disc_node
+								(vport, Did);
 					}
 					else {
 						lpfc_debugfs_disc_trc(vport,
@@ -1241,7 +1250,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
 		    be16_to_cpu(SLI_CTNS_RFF_ID);
 		CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
 		CtReq->un.rff.fbits = FC4_FEATURE_INIT;
-		CtReq->un.rff.type_code = FC_FCP_DATA;
+		CtReq->un.rff.type_code = FC_TYPE_FCP;
 		cmpl = lpfc_cmpl_ct_cmd_rff_id;
 		break;
 	}

drivers/scsi/lpfc/lpfc_debugfs.c

@@ -926,7 +926,7 @@ lpfc_debugfs_dumpData_open(struct inode *inode, struct file *file)
 		goto out;
 
 	/* Round to page boundry */
-	printk(KERN_ERR "BLKGRD %s: _dump_buf_data=0x%p\n",
+	printk(KERN_ERR "9059 BLKGRD:  %s: _dump_buf_data=0x%p\n",
 			__func__, _dump_buf_data);
 	debug->buffer = _dump_buf_data;
 	if (!debug->buffer) {
@@ -956,8 +956,8 @@ lpfc_debugfs_dumpDif_open(struct inode *inode, struct file *file)
 		goto out;
 
 	/* Round to page boundry */
-	printk(KERN_ERR "BLKGRD %s: _dump_buf_dif=0x%p file=%s\n", __func__,
-	       _dump_buf_dif, file->f_dentry->d_name.name);
+	printk(KERN_ERR	"9060 BLKGRD: %s: _dump_buf_dif=0x%p file=%s\n",
+		__func__, _dump_buf_dif, file->f_dentry->d_name.name);
 	debug->buffer = _dump_buf_dif;
 	if (!debug->buffer) {
 		kfree(debug);
@@ -1377,7 +1377,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 			debugfs_create_dir(name, phba->hba_debugfs_root);
 		if (!vport->vport_debugfs_root) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-					 "0417 Cant create debugfs");
+					 "0417 Cant create debugfs\n");
 			goto debug_failed;
 		}
 		atomic_inc(&phba->debugfs_vport_count);
@@ -1430,7 +1430,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport)
 				 vport, &lpfc_debugfs_op_nodelist);
 	if (!vport->debug_nodelist) {
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
-				 "0409 Cant create debugfs nodelist");
+				 "0409 Cant create debugfs nodelist\n");
 		goto debug_failed;
 	}
 debug_failed:

drivers/scsi/lpfc/lpfc_disc.h

@@ -19,7 +19,7 @@
  *******************************************************************/
 
 #define FC_MAX_HOLD_RSCN     32	      /* max number of deferred RSCNs */
-#define FC_MAX_NS_RSP        65536    /* max size NameServer rsp */
+#define FC_MAX_NS_RSP        64512    /* max size NameServer rsp */
 #define FC_MAXLOOP           126      /* max devices supported on a fc loop */
 #define LPFC_DISC_FLOGI_TMO  10	      /* Discovery FLOGI ratov */
 

drivers/scsi/lpfc/lpfc_hbadisc.c

@@ -1699,9 +1699,8 @@ lpfc_init_vpi_cmpl(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		lpfc_initial_fdisc(vport);
 	else {
 		lpfc_vport_set_state(vport, FC_VPORT_NO_FABRIC_SUPP);
-		lpfc_printf_vlog(vport, KERN_ERR,
-			LOG_ELS,
-			"2606 No NPIV Fabric support\n");
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "2606 No NPIV Fabric support\n");
 	}
 	return;
 }
@@ -1901,7 +1900,10 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 	if (phba->fc_topology == TOPOLOGY_LOOP) {
 		phba->sli3_options &= ~LPFC_SLI3_NPIV_ENABLED;
 
-		if (phba->cfg_enable_npiv)
+		/* if npiv is enabled and this adapter supports npiv log
+		 * a message that npiv is not supported in this topology
+		 */
+		if (phba->cfg_enable_npiv && phba->max_vpi)
 			lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
 				"1309 Link Up Event npiv not supported in loop "
 				"topology\n");
@@ -3118,7 +3120,7 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
 	struct lpfc_sli *psli;
 	struct lpfc_sli_ring *pring;
 	struct lpfc_iocbq *iocb, *next_iocb;
-	uint32_t rpi, i;
+	uint32_t i;
 
 	lpfc_fabric_abort_nport(ndlp);
 
@@ -3127,7 +3129,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
 	 * by firmware with a no rpi error.
 	 */
 	psli = &phba->sli;
-	rpi = ndlp->nlp_rpi;
 	if (ndlp->nlp_flag & NLP_RPI_VALID) {
 		/* Now process each ring */
 		for (i = 0; i < psli->num_rings; i++) {

drivers/scsi/lpfc/lpfc_hw.h

@@ -1124,21 +1124,6 @@ typedef struct {
 /* Number of 4-byte words in an IOCB. */
 #define IOCB_WORD_SZ    8
 
-/* defines for type field in fc header */
-#define FC_ELS_DATA     0x1
-#define FC_LLC_SNAP     0x5
-#define FC_FCP_DATA     0x8
-#define FC_COMMON_TRANSPORT_ULP 0x20
-
-/* defines for rctl field in fc header */
-#define FC_DEV_DATA     0x0
-#define FC_UNSOL_CTL    0x2
-#define FC_SOL_CTL      0x3
-#define FC_UNSOL_DATA   0x4
-#define FC_FCP_CMND     0x6
-#define FC_ELS_REQ      0x22
-#define FC_ELS_RSP      0x23
-
 /* network headers for Dfctl field */
 #define FC_NET_HDR      0x20
 

drivers/scsi/lpfc/lpfc_init.c

@@ -3004,12 +3004,11 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 		spin_unlock_irq(&phba->hbalock);
 
 		/* Read the FCF table and re-discover SAN. */
-		rc = lpfc_sli4_read_fcf_record(phba,
-			LPFC_FCOE_FCF_GET_FIRST);
+		rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
 		if (rc)
 			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-				"2547 Read FCF record failed 0x%x\n",
-				rc);
+					"2547 Read FCF record failed 0x%x\n",
+					rc);
 		break;
 
 	case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
@@ -3021,7 +3020,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 
 	case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
 		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-			"2549 FCF disconnected fron network index 0x%x"
+			"2549 FCF disconnected from network index 0x%x"
 			" tag 0x%x\n", acqe_fcoe->index,
 			acqe_fcoe->event_tag);
 		/* If the event is not for currently used fcf do nothing */
@@ -3917,7 +3916,7 @@ lpfc_free_sgl_list(struct lpfc_hba *phba)
 	rc = lpfc_sli4_remove_all_sgl_pages(phba);
 	if (rc) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
-			"2005 Unable to deregister pages from HBA: %x", rc);
+			"2005 Unable to deregister pages from HBA: %x\n", rc);
 	}
 	kfree(phba->sli4_hba.lpfc_els_sgl_array);
 }
@@ -4366,7 +4365,8 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
 			_dump_buf_data =
 				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
 			if (_dump_buf_data) {
-				printk(KERN_ERR "BLKGRD allocated %d pages for "
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9043 BLKGRD: allocated %d pages for "
 				       "_dump_buf_data at 0x%p\n",
 				       (1 << pagecnt), _dump_buf_data);
 				_dump_buf_data_order = pagecnt;
@@ -4377,17 +4377,20 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
 				--pagecnt;
 		}
 		if (!_dump_buf_data_order)
-			printk(KERN_ERR "BLKGRD ERROR unable to allocate "
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+				"9044 BLKGRD: ERROR unable to allocate "
 			       "memory for hexdump\n");
 	} else
-		printk(KERN_ERR "BLKGRD already allocated _dump_buf_data=0x%p"
+		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9045 BLKGRD: already allocated _dump_buf_data=0x%p"
 		       "\n", _dump_buf_data);
 	if (!_dump_buf_dif) {
 		while (pagecnt) {
 			_dump_buf_dif =
 				(char *) __get_free_pages(GFP_KERNEL, pagecnt);
 			if (_dump_buf_dif) {
-				printk(KERN_ERR "BLKGRD allocated %d pages for "
+				lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+					"9046 BLKGRD: allocated %d pages for "
 				       "_dump_buf_dif at 0x%p\n",
 				       (1 << pagecnt), _dump_buf_dif);
 				_dump_buf_dif_order = pagecnt;
@@ -4398,10 +4401,12 @@ lpfc_setup_bg(struct lpfc_hba *phba, struct Scsi_Host *shost)
 				--pagecnt;
 		}
 		if (!_dump_buf_dif_order)
-			printk(KERN_ERR "BLKGRD ERROR unable to allocate "
+			lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9047 BLKGRD: ERROR unable to allocate "
 			       "memory for hexdump\n");
 	} else
-		printk(KERN_ERR "BLKGRD already allocated _dump_buf_dif=0x%p\n",
+		lpfc_printf_log(phba, KERN_ERR, LOG_BG,
+			"9048 BLKGRD: already allocated _dump_buf_dif=0x%p\n",
 		       _dump_buf_dif);
 }
 
@@ -5072,10 +5077,9 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba)
 	/* It does not make sense to have more EQs than WQs */
 	if (cfg_fcp_eq_count > phba->cfg_fcp_wq_count) {
 		lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
-				"2593 The number of FCP EQs (%d) is more "
-				"than the number of FCP WQs (%d), take "
-				"the number of FCP EQs same as than of "
-				"WQs (%d)\n", cfg_fcp_eq_count,
+				"2593 The FCP EQ count(%d) cannot be greater "
+				"than the FCP WQ count(%d), limiting the "
+				"FCP EQ count to %d\n", cfg_fcp_eq_count,
 				phba->cfg_fcp_wq_count,
 				phba->cfg_fcp_wq_count);
 		cfg_fcp_eq_count = phba->cfg_fcp_wq_count;
@@ -7271,15 +7275,15 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba)
 
 	if (phba->sli_rev == LPFC_SLI_REV4) {
 		if (max_xri <= 100)
-			return 4;
+			return 10;
 		else if (max_xri <= 256)
-			return 8;
+			return 25;
 		else if (max_xri <= 512)
-			return 16;
+			return 50;
 		else if (max_xri <= 1024)
-			return 32;
+			return 100;
 		else
-			return 48;
+			return 150;
 	} else
 		return 0;
 }
@@ -8117,15 +8121,15 @@ lpfc_exit(void)
 	if (lpfc_enable_npiv)
 		fc_release_transport(lpfc_vport_transport_template);
 	if (_dump_buf_data) {
-		printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_data "
-				"at 0x%p\n",
+		printk(KERN_ERR	"9062 BLKGRD: freeing %lu pages for "
+				"_dump_buf_data at 0x%p\n",
 				(1L << _dump_buf_data_order), _dump_buf_data);
 		free_pages((unsigned long)_dump_buf_data, _dump_buf_data_order);
 	}
 
 	if (_dump_buf_dif) {
-		printk(KERN_ERR "BLKGRD freeing %lu pages for _dump_buf_dif "
-				"at 0x%p\n",
+		printk(KERN_ERR	"9049 BLKGRD: freeing %lu pages for "
+				"_dump_buf_dif at 0x%p\n",
 				(1L << _dump_buf_dif_order), _dump_buf_dif);
 		free_pages((unsigned long)_dump_buf_dif, _dump_buf_dif_order);
 	}

drivers/scsi/lpfc/lpfc_mbox.c

@@ -25,8 +25,8 @@
 
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_transport_fc.h>
-
 #include <scsi/scsi.h>
+#include <scsi/fc/fc_fs.h>
 
 #include "lpfc_hw4.h"
 #include "lpfc_hw.h"
@@ -1135,7 +1135,7 @@ lpfc_config_ring(struct lpfc_hba * phba, int ring, LPFC_MBOXQ_t * pmb)
 	/* Otherwise we setup specific rctl / type masks for this ring */
 	for (i = 0; i < pring->num_mask; i++) {
 		mb->un.varCfgRing.rrRegs[i].rval = pring->prt[i].rctl;
-		if (mb->un.varCfgRing.rrRegs[i].rval != FC_ELS_REQ)
+		if (mb->un.varCfgRing.rrRegs[i].rval != FC_RCTL_ELS_REQ)
 			mb->un.varCfgRing.rrRegs[i].rmask = 0xff;
 		else
 			mb->un.varCfgRing.rrRegs[i].rmask = 0xfe;
@@ -1657,9 +1657,12 @@ lpfc_sli4_config(struct lpfc_hba *phba, struct lpfcMboxq *mbox,
 	/* Allocate record for keeping SGE virtual addresses */
 	mbox->sge_array = kmalloc(sizeof(struct lpfc_mbx_nembed_sge_virt),
 				  GFP_KERNEL);
-	if (!mbox->sge_array)
+	if (!mbox->sge_array) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
+				"2527 Failed to allocate non-embedded SGE "
+				"array.\n");
 		return 0;
-
+	}
 	for (pagen = 0, alloc_len = 0; pagen < pcount; pagen++) {
 		/* The DMA memory is always allocated in the length of a
 		 * page even though the last SGE might not fill up to a