[SCSI] lpfc 8.3.24: Add resource extent support

This patch adds support for hardware that returns resource ids via
extents rather than contiguous ranges.

[jejb: checkpatch.pl fixes]
Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <jbottomley@parallels.com>

drivers/scsi/lpfc/lpfc.h

@@ -780,6 +780,9 @@ struct lpfc_hba {
 	uint16_t vpi_base;
 	uint16_t vfi_base;
 	unsigned long *vpi_bmask;	/* vpi allocation table */
+	uint16_t *vpi_ids;
+	uint16_t vpi_count;
+	struct list_head lpfc_vpi_blk_list;
 
 	/* Data structure used by fabric iocb scheduler */
 	struct list_head fabric_iocb_list;

drivers/scsi/lpfc/lpfc_bsg.c

@@ -332,6 +332,8 @@ lpfc_bsg_send_mgmt_cmd(struct fc_bsg_job *job)
 	cmd->ulpLe = 1;
 	cmd->ulpClass = CLASS3;
 	cmd->ulpContext = ndlp->nlp_rpi;
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		cmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 	cmd->ulpOwner = OWN_CHIP;
 	cmdiocbq->vport = phba->pport;
 	cmdiocbq->context3 = bmp;
@@ -1336,6 +1338,10 @@ lpfc_issue_ct_rsp(struct lpfc_hba *phba, struct fc_bsg_job *job, uint32_t tag,
 		}
 
 		icmd->un.ulpWord[3] = ndlp->nlp_rpi;
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			icmd->ulpContext =
+				phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+
 		/* The exchange is done, mark the entry as invalid */
 		phba->ct_ctx[tag].flags &= ~UNSOL_VALID;
 	} else

drivers/scsi/lpfc/lpfc_crtn.h

@@ -55,6 +55,8 @@ void lpfc_request_features(struct lpfc_hba *, struct lpfcMboxq *);
 void lpfc_supported_pages(struct lpfcMboxq *);
 void lpfc_pc_sli4_params(struct lpfcMboxq *);
 int lpfc_pc_sli4_params_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_mbox_rsrc_extent(struct lpfc_hba *, struct lpfcMboxq *,
+			   uint16_t, uint16_t, bool);
 int lpfc_get_sli4_parameters(struct lpfc_hba *, LPFC_MBOXQ_t *);
 struct lpfc_vport *lpfc_find_vport_by_did(struct lpfc_hba *, uint32_t);
 void lpfc_cleanup_rcv_buffers(struct lpfc_vport *);
@@ -366,6 +368,10 @@ extern void lpfc_debugfs_slow_ring_trc(struct lpfc_hba *, char *, uint32_t,
 	uint32_t, uint32_t);
 extern struct lpfc_hbq_init *lpfc_hbq_defs[];
 
+/* SLI4 if_type 2 externs. */
+int lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *);
+int lpfc_sli4_dealloc_resource_identifiers(struct lpfc_hba *);
+
 /* externs BlockGuard */
 extern char *_dump_buf_data;
 extern unsigned long _dump_buf_data_order;

drivers/scsi/lpfc/lpfc_ct.c

@@ -352,6 +352,8 @@ lpfc_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp,
 	icmd->ulpLe = 1;
 	icmd->ulpClass = CLASS3;
 	icmd->ulpContext = ndlp->nlp_rpi;
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		icmd->ulpContext = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
 
 	if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
 		/* For GEN_REQUEST64_CR, use the RPI */

drivers/scsi/lpfc/lpfc_els.c

@@ -250,7 +250,7 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
 		icmd->un.elsreq64.myID = vport->fc_myDID;
 
 		/* For ELS_REQUEST64_CR, use the VPI by default */
-		icmd->ulpContext = vport->vpi + phba->vpi_base;
+		icmd->ulpContext = phba->vpi_ids[vport->vpi];
 		icmd->ulpCt_h = 0;
 		/* The CT field must be 0=INVALID_RPI for the ECHO cmd */
 		if (elscmd == ELS_CMD_ECHO)
@@ -454,6 +454,7 @@ lpfc_issue_reg_vfi(struct lpfc_vport *vport)
 		rc = -ENOMEM;
 		goto fail_free_dmabuf;
 	}
+
 	mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mboxq) {
 		rc = -ENOMEM;
@@ -6585,6 +6586,26 @@ lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
 {
 	struct lpfc_vport *vport;
 	unsigned long flags;
+	int i;
+
+	/* The physical ports are always vpi 0 - translate is unnecessary. */
+	if (vpi > 0) {
+		/*
+		 * Translate the physical vpi to the logical vpi.  The
+		 * vport stores the logical vpi.
+		 */
+		for (i = 0; i < phba->max_vpi; i++) {
+			if (vpi == phba->vpi_ids[i])
+				break;
+		}
+
+		if (i >= phba->max_vpi) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
+					 "2936 Could not find Vport mapped "
+					 "to vpi %d\n", vpi);
+			return NULL;
+		}
+	}
 
 	spin_lock_irqsave(&phba->hbalock, flags);
 	list_for_each_entry(vport, &phba->port_list, listentry) {
@@ -6641,8 +6662,9 @@ lpfc_els_unsol_event(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 			vport = phba->pport;
 		else
 			vport = lpfc_find_vport_by_vpid(phba,
-				icmd->unsli3.rcvsli3.vpi - phba->vpi_base);
+						icmd->unsli3.rcvsli3.vpi);
 	}
+
 	/* If there are no BDEs associated
 	 * with this IOCB, there is nothing to do.
 	 */
@@ -7222,7 +7244,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
 		elsiocb->iocb.ulpCt_h = (SLI4_CT_VPI >> 1) & 1;
 		elsiocb->iocb.ulpCt_l = SLI4_CT_VPI & 1 ;
 		/* Set the ulpContext to the vpi */
-		elsiocb->iocb.ulpContext = vport->vpi + phba->vpi_base;
+		elsiocb->iocb.ulpContext = phba->vpi_ids[vport->vpi];
 	} else {
 		/* For FDISC, Let FDISC rsp set the NPortID for this VPI */
 		icmd->ulpCt_h = 1;

drivers/scsi/lpfc/lpfc_hbadisc.c

@@ -881,7 +881,7 @@ lpfc_linkdown(struct lpfc_hba *phba)
 	/* Clean up any firmware default rpi's */
 	mb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (mb) {
-		lpfc_unreg_did(phba, 0xffff, 0xffffffff, mb);
+		lpfc_unreg_did(phba, 0xffff, LPFC_UNREG_ALL_DFLT_RPIS, mb);
 		mb->vport = vport;
 		mb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 		if (lpfc_sli_issue_mbox(phba, mb, MBX_NOWAIT)
@@ -3421,7 +3421,8 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		return;
 	}
 
-	ndlp->nlp_rpi = mb->un.varWords[0];
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		ndlp->nlp_rpi = mb->un.varWords[0];
 	ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 	ndlp->nlp_type |= NLP_FABRIC;
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
@@ -3495,7 +3496,8 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 		return;
 	}
 
-	ndlp->nlp_rpi = mb->un.varWords[0];
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		ndlp->nlp_rpi = mb->un.varWords[0];
 	ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 	ndlp->nlp_type |= NLP_FABRIC;
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
@@ -3582,7 +3584,6 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	if (ndlp->nlp_type & NLP_FCP_INITIATOR)
 		rport_ids.roles |= FC_RPORT_ROLE_FCP_INITIATOR;
 
-
 	if (rport_ids.roles !=  FC_RPORT_ROLE_UNKNOWN)
 		fc_remote_port_rolechg(rport, rport_ids.roles);
 
@@ -4097,11 +4098,16 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	struct lpfc_hba *phba = vport->phba;
 	LPFC_MBOXQ_t    *mbox;
 	int rc;
+	uint16_t rpi;
 
 	if (ndlp->nlp_flag & NLP_RPI_REGISTERED) {
 		mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 		if (mbox) {
-			lpfc_unreg_login(phba, vport->vpi, ndlp->nlp_rpi, mbox);
+			/* SLI4 ports require the physical rpi value. */
+			rpi = ndlp->nlp_rpi;
+			if (phba->sli_rev == LPFC_SLI_REV4)
+				rpi = phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+			lpfc_unreg_login(phba, vport->vpi, rpi, mbox);
 			mbox->vport = vport;
 			mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 			rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
@@ -4170,7 +4176,8 @@ lpfc_unreg_all_rpis(struct lpfc_vport *vport)
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (mbox) {
-		lpfc_unreg_login(phba, vport->vpi, 0xffff, mbox);
+		lpfc_unreg_login(phba, vport->vpi, LPFC_UNREG_ALL_RPIS_VPORT,
+				 mbox);
 		mbox->vport = vport;
 		mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 		mbox->context1 = NULL;
@@ -4194,7 +4201,8 @@ lpfc_unreg_default_rpis(struct lpfc_vport *vport)
 
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (mbox) {
-		lpfc_unreg_did(phba, vport->vpi, 0xffffffff, mbox);
+		lpfc_unreg_did(phba, vport->vpi, LPFC_UNREG_ALL_DFLT_RPIS,
+			       mbox);
 		mbox->vport = vport;
 		mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
 		mbox->context1 = NULL;
@@ -4644,10 +4652,7 @@ lpfc_disc_start(struct lpfc_vport *vport)
 	if (num_sent)
 		return;
 
-	/*
-	 * For SLI3, cmpl_reg_vpi will set port_state to READY, and
-	 * continue discovery.
-	 */
+	/* Register the VPI for SLI3, NON-NPIV only. */
 	if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
 	    !(vport->fc_flag & FC_PT2PT) &&
 	    !(vport->fc_flag & FC_RSCN_MODE) &&
@@ -4934,7 +4939,7 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
 		if (phba->sli_rev < LPFC_SLI_REV4) {
 			if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED)
 				lpfc_issue_reg_vpi(phba, vport);
-			else  {	/* NPIV Not enabled */
+			else  {
 				lpfc_issue_clear_la(phba, vport);
 				vport->port_state = LPFC_VPORT_READY;
 			}
@@ -5060,7 +5065,8 @@ lpfc_mbx_cmpl_fdmi_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 	pmb->context1 = NULL;
 	pmb->context2 = NULL;
 
-	ndlp->nlp_rpi = mb->un.varWords[0];
+	if (phba->sli_rev < LPFC_SLI_REV4)
+		ndlp->nlp_rpi = mb->un.varWords[0];
 	ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 	ndlp->nlp_type |= NLP_FABRIC;
 	lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);

drivers/scsi/lpfc/lpfc_hw.h

@@ -64,6 +64,8 @@
 #define SLI3_IOCB_CMD_SIZE	128
 #define SLI3_IOCB_RSP_SIZE	64
 
+#define LPFC_UNREG_ALL_RPIS_VPORT	0xffff
+#define LPFC_UNREG_ALL_DFLT_RPIS	0xffffffff
 
 /* vendor ID used in SCSI netlink calls */
 #define LPFC_NL_VENDOR_ID (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX)

drivers/scsi/lpfc/lpfc_hw4.h

@@ -229,9 +229,26 @@ struct ulp_bde64 {
 
 struct lpfc_sli4_flags {
 	uint32_t word0;
-#define lpfc_fip_flag_SHIFT 0
-#define lpfc_fip_flag_MASK 0x00000001
-#define lpfc_fip_flag_WORD word0
+#define lpfc_idx_rsrc_rdy_SHIFT		0
+#define lpfc_idx_rsrc_rdy_MASK		0x00000001
+#define lpfc_idx_rsrc_rdy_WORD		word0
+#define LPFC_IDX_RSRC_RDY		1
+#define lpfc_xri_rsrc_rdy_SHIFT		1
+#define lpfc_xri_rsrc_rdy_MASK		0x00000001
+#define lpfc_xri_rsrc_rdy_WORD		word0
+#define LPFC_XRI_RSRC_RDY		1
+#define lpfc_rpi_rsrc_rdy_SHIFT		2
+#define lpfc_rpi_rsrc_rdy_MASK		0x00000001
+#define lpfc_rpi_rsrc_rdy_WORD		word0
+#define LPFC_RPI_RSRC_RDY		1
+#define lpfc_vpi_rsrc_rdy_SHIFT		3
+#define lpfc_vpi_rsrc_rdy_MASK		0x00000001
+#define lpfc_vpi_rsrc_rdy_WORD		word0
+#define LPFC_VPI_RSRC_RDY		1
+#define lpfc_vfi_rsrc_rdy_SHIFT		4
+#define lpfc_vfi_rsrc_rdy_MASK		0x00000001
+#define lpfc_vfi_rsrc_rdy_WORD		word0
+#define LPFC_VFI_RSRC_RDY		1
 };
 
 struct sli4_bls_rsp {
@@ -791,12 +808,22 @@ union lpfc_sli4_cfg_shdr {
 	} response;
 };
 
-/* Mailbox structures */
+/* Mailbox Header structures.
+ * struct mbox_header is defined for first generation SLI4_CFG mailbox
+ * calls deployed for BE-based ports.
+ *
+ * struct sli4_mbox_header is defined for second generation SLI4
+ * ports that don't deploy the SLI4_CFG mechanism.
+ */
 struct mbox_header {
 	struct lpfc_sli4_cfg_mhdr cfg_mhdr;
 	union  lpfc_sli4_cfg_shdr cfg_shdr;
 };
 
+#define LPFC_EXTENT_LOCAL		0
+#define LPFC_TIMEOUT_DEFAULT		0
+#define LPFC_EXTENT_VERSION_DEFAULT	0
+
 /* Subsystem Definitions */
 #define LPFC_MBOX_SUBSYSTEM_COMMON	0x1
 #define LPFC_MBOX_SUBSYSTEM_FCOE	0xC
@@ -819,6 +846,10 @@ struct mbox_header {
 #define LPFC_MBOX_OPCODE_QUERY_FW_CFG		0x3A
 #define LPFC_MBOX_OPCODE_FUNCTION_RESET		0x3D
 #define LPFC_MBOX_OPCODE_MQ_CREATE_EXT		0x5A
+#define LPFC_MBOX_OPCODE_GET_RSRC_EXTENT_INFO	0x9A
+#define LPFC_MBOX_OPCODE_GET_ALLOC_RSRC_EXTENT	0x9B
+#define LPFC_MBOX_OPCODE_ALLOC_RSRC_EXTENT	0x9C
+#define LPFC_MBOX_OPCODE_DEALLOC_RSRC_EXTENT	0x9D
 #define LPFC_MBOX_OPCODE_GET_FUNCTION_CONFIG    0xA0
 #define LPFC_MBOX_OPCODE_GET_PROFILE_CONFIG	0xA4
 #define LPFC_MBOX_OPCODE_WRITE_OBJECT		0xAC
@@ -1238,6 +1269,110 @@ struct lpfc_mbx_mq_destroy {
 	} u;
 };
 
+/* Start Gen 2 SLI4 Mailbox definitions: */
+
+/* Define allocate-ready Gen 2 SLI4 FCoE Resource Extent Types. */
+#define LPFC_RSC_TYPE_FCOE_VFI	0x20
+#define LPFC_RSC_TYPE_FCOE_VPI	0x21
+#define LPFC_RSC_TYPE_FCOE_RPI	0x22
+#define LPFC_RSC_TYPE_FCOE_XRI	0x23
+
+struct lpfc_mbx_get_rsrc_extent_info {
+	struct mbox_header header;
+	union {
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_get_rsrc_extent_info_type_SHIFT	0
+#define lpfc_mbx_get_rsrc_extent_info_type_MASK		0x0000FFFF
+#define lpfc_mbx_get_rsrc_extent_info_type_WORD		word4
+		} req;
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_get_rsrc_extent_info_cnt_SHIFT		0
+#define lpfc_mbx_get_rsrc_extent_info_cnt_MASK		0x0000FFFF
+#define lpfc_mbx_get_rsrc_extent_info_cnt_WORD		word4
+#define lpfc_mbx_get_rsrc_extent_info_size_SHIFT	16
+#define lpfc_mbx_get_rsrc_extent_info_size_MASK		0x0000FFFF
+#define lpfc_mbx_get_rsrc_extent_info_size_WORD		word4
+		} rsp;
+	} u;
+};
+
+struct lpfc_id_range {
+	uint32_t word5;
+#define lpfc_mbx_rsrc_id_word4_0_SHIFT	0
+#define lpfc_mbx_rsrc_id_word4_0_MASK	0x0000FFFF
+#define lpfc_mbx_rsrc_id_word4_0_WORD	word5
+#define lpfc_mbx_rsrc_id_word4_1_SHIFT	16
+#define lpfc_mbx_rsrc_id_word4_1_MASK	0x0000FFFF
+#define lpfc_mbx_rsrc_id_word4_1_WORD	word5
+};
+
+/*
+ * struct lpfc_mbx_alloc_rsrc_extents:
+ * A mbox is generically 256 bytes long. An SLI4_CONFIG mailbox requires
+ * 6 words of header + 4 words of shared subcommand header +
+ * 1 words of Extent-Opcode-specific header = 11 words or 44 bytes total.
+ *
+ * An embedded version of SLI4_CONFIG therefore has 256 - 44 = 212 bytes
+ * for extents payload.
+ *
+ * 212/2 (bytes per extent) = 106 extents.
+ * 106/2 (extents per word) = 53 words.
+ * lpfc_id_range id is statically size to 53.
+ *
+ * This mailbox definition is used for ALLOC or GET_ALLOCATED
+ * extent ranges.  For ALLOC, the type and cnt are required.
+ * For GET_ALLOCATED, only the type is required.
+ */
+struct lpfc_mbx_alloc_rsrc_extents {
+	struct mbox_header header;
+	union {
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_alloc_rsrc_extents_type_SHIFT	0
+#define lpfc_mbx_alloc_rsrc_extents_type_MASK	0x0000FFFF
+#define lpfc_mbx_alloc_rsrc_extents_type_WORD	word4
+#define lpfc_mbx_alloc_rsrc_extents_cnt_SHIFT	16
+#define lpfc_mbx_alloc_rsrc_extents_cnt_MASK	0x0000FFFF
+#define lpfc_mbx_alloc_rsrc_extents_cnt_WORD	word4
+		} req;
+		struct {
+			uint32_t word4;
+#define lpfc_mbx_rsrc_cnt_SHIFT	0
+#define lpfc_mbx_rsrc_cnt_MASK	0x0000FFFF
+#define lpfc_mbx_rsrc_cnt_WORD	word4
+			struct lpfc_id_range id[53];
+		} rsp;
+	} u;
+};
+
+/*
+ * This is the non-embedded version of ALLOC or GET RSRC_EXTENTS. Word4 in this
+ * structure shares the same SHIFT/MASK/WORD defines provided in the
+ * mbx_alloc_rsrc_extents and mbx_get_alloc_rsrc_extents, word4, provided in
+ * the structures defined above.  This non-embedded structure provides for the
+ * maximum number of extents supported by the port.
+ */
+struct lpfc_mbx_nembed_rsrc_extent {
+	union  lpfc_sli4_cfg_shdr cfg_shdr;
+	uint32_t word4;
+	struct lpfc_id_range id;
+};
+
+struct lpfc_mbx_dealloc_rsrc_extents {
+	struct mbox_header header;
+	struct {
+		uint32_t word4;
+#define lpfc_mbx_dealloc_rsrc_extents_type_SHIFT	0
+#define lpfc_mbx_dealloc_rsrc_extents_type_MASK		0x0000FFFF
+#define lpfc_mbx_dealloc_rsrc_extents_type_WORD		word4
+	} req;
+
+};
+
+/* Start SLI4 FCoE specific mbox structures. */
+
 struct lpfc_mbx_post_hdr_tmpl {
 	struct mbox_header header;
 	uint32_t word10;
@@ -1801,61 +1936,31 @@ struct lpfc_mbx_read_rev {
 
 struct lpfc_mbx_read_config {
 	uint32_t word1;
-#define lpfc_mbx_rd_conf_max_bbc_SHIFT		0
-#define lpfc_mbx_rd_conf_max_bbc_MASK		0x000000FF
-#define lpfc_mbx_rd_conf_max_bbc_WORD		word1
-#define lpfc_mbx_rd_conf_init_bbc_SHIFT		8
-#define lpfc_mbx_rd_conf_init_bbc_MASK		0x000000FF
-#define lpfc_mbx_rd_conf_init_bbc_WORD		word1
+#define lpfc_mbx_rd_conf_extnts_inuse_SHIFT	31
+#define lpfc_mbx_rd_conf_extnts_inuse_MASK	0x00000001
+#define lpfc_mbx_rd_conf_extnts_inuse_WORD	word1
 	uint32_t word2;
-#define lpfc_mbx_rd_conf_nport_did_SHIFT	0
-#define lpfc_mbx_rd_conf_nport_did_MASK		0x00FFFFFF
-#define lpfc_mbx_rd_conf_nport_did_WORD		word2
 #define lpfc_mbx_rd_conf_topology_SHIFT		24
 #define lpfc_mbx_rd_conf_topology_MASK		0x000000FF
 #define lpfc_mbx_rd_conf_topology_WORD		word2
-	uint32_t word3;
-#define lpfc_mbx_rd_conf_ao_SHIFT		0
-#define lpfc_mbx_rd_conf_ao_MASK		0x00000001
-#define lpfc_mbx_rd_conf_ao_WORD		word3
-#define lpfc_mbx_rd_conf_bb_scn_SHIFT		8
-#define lpfc_mbx_rd_conf_bb_scn_MASK		0x0000000F
-#define lpfc_mbx_rd_conf_bb_scn_WORD		word3
-#define lpfc_mbx_rd_conf_cbb_scn_SHIFT		12
-#define lpfc_mbx_rd_conf_cbb_scn_MASK		0x0000000F
-#define lpfc_mbx_rd_conf_cbb_scn_WORD		word3
-#define lpfc_mbx_rd_conf_mc_SHIFT		29
-#define lpfc_mbx_rd_conf_mc_MASK		0x00000001
-#define lpfc_mbx_rd_conf_mc_WORD		word3
+	uint32_t rsvd_3;
 	uint32_t word4;
 #define lpfc_mbx_rd_conf_e_d_tov_SHIFT		0
 #define lpfc_mbx_rd_conf_e_d_tov_MASK		0x0000FFFF
 #define lpfc_mbx_rd_conf_e_d_tov_WORD		word4
-	uint32_t word5;
-#define lpfc_mbx_rd_conf_lp_tov_SHIFT		0
-#define lpfc_mbx_rd_conf_lp_tov_MASK		0x0000FFFF
-#define lpfc_mbx_rd_conf_lp_tov_WORD		word5
+	uint32_t rsvd_5;
 	uint32_t word6;
 #define lpfc_mbx_rd_conf_r_a_tov_SHIFT		0
 #define lpfc_mbx_rd_conf_r_a_tov_MASK		0x0000FFFF
 #define lpfc_mbx_rd_conf_r_a_tov_WORD		word6
-	uint32_t word7;
-#define lpfc_mbx_rd_conf_r_t_tov_SHIFT		0
-#define lpfc_mbx_rd_conf_r_t_tov_MASK		0x000000FF
-#define lpfc_mbx_rd_conf_r_t_tov_WORD		word7
-	uint32_t word8;
-#define lpfc_mbx_rd_conf_al_tov_SHIFT		0
-#define lpfc_mbx_rd_conf_al_tov_MASK		0x0000000F
-#define lpfc_mbx_rd_conf_al_tov_WORD		word8
+	uint32_t rsvd_7;
+	uint32_t rsvd_8;
 	uint32_t word9;
 #define lpfc_mbx_rd_conf_lmt_SHIFT		0
 #define lpfc_mbx_rd_conf_lmt_MASK		0x0000FFFF
 #define lpfc_mbx_rd_conf_lmt_WORD		word9
-	uint32_t word10;
-#define lpfc_mbx_rd_conf_max_alpa_SHIFT		0
-#define lpfc_mbx_rd_conf_max_alpa_MASK		0x000000FF
-#define lpfc_mbx_rd_conf_max_alpa_WORD		word10
-	uint32_t word11_rsvd;
+	uint32_t rsvd_10;
+	uint32_t rsvd_11;
 	uint32_t word12;
 #define lpfc_mbx_rd_conf_xri_base_SHIFT		0
 #define lpfc_mbx_rd_conf_xri_base_MASK		0x0000FFFF
@@ -1885,9 +1990,6 @@ struct lpfc_mbx_read_config {
 #define lpfc_mbx_rd_conf_vfi_count_MASK         0x0000FFFF
 #define lpfc_mbx_rd_conf_vfi_count_WORD         word15
 	uint32_t word16;
-#define lpfc_mbx_rd_conf_fcfi_base_SHIFT	0
-#define lpfc_mbx_rd_conf_fcfi_base_MASK		0x0000FFFF
-#define lpfc_mbx_rd_conf_fcfi_base_WORD		word16
 #define lpfc_mbx_rd_conf_fcfi_count_SHIFT	16
 #define lpfc_mbx_rd_conf_fcfi_count_MASK	0x0000FFFF
 #define lpfc_mbx_rd_conf_fcfi_count_WORD	word16
@@ -2197,6 +2299,12 @@ struct lpfc_sli4_parameters {
 #define cfg_fcoe_SHIFT				0
 #define cfg_fcoe_MASK				0x00000001
 #define cfg_fcoe_WORD				word12
+#define cfg_ext_SHIFT				1
+#define cfg_ext_MASK				0x00000001
+#define cfg_ext_WORD				word12
+#define cfg_hdrr_SHIFT				2
+#define cfg_hdrr_MASK				0x00000001
+#define cfg_hdrr_WORD				word12
 #define cfg_phwq_SHIFT				15
 #define cfg_phwq_MASK				0x00000001
 #define cfg_phwq_WORD				word12
@@ -2431,6 +2539,9 @@ struct lpfc_mqe {
 		struct lpfc_mbx_cq_destroy cq_destroy;
 		struct lpfc_mbx_wq_destroy wq_destroy;
 		struct lpfc_mbx_rq_destroy rq_destroy;
+		struct lpfc_mbx_get_rsrc_extent_info rsrc_extent_info;
+		struct lpfc_mbx_alloc_rsrc_extents alloc_rsrc_extents;
+		struct lpfc_mbx_dealloc_rsrc_extents dealloc_rsrc_extents;
 		struct lpfc_mbx_post_sgl_pages post_sgl_pages;
 		struct lpfc_mbx_nembed_cmd nembed_cmd;
 		struct lpfc_mbx_read_rev read_rev;
@@ -2651,7 +2762,7 @@ struct lpfc_bmbx_create {
 #define SGL_ALIGN_SZ 64
 #define SGL_PAGE_SIZE 4096
 /* align SGL addr on a size boundary - adjust address up */
-#define NO_XRI  ((uint16_t)-1)
+#define NO_XRI  0xffff
 
 struct wqe_common {
 	uint32_t word6;

drivers/scsi/lpfc/lpfc_mem.c

@@ -62,7 +62,6 @@ int
 lpfc_mem_alloc(struct lpfc_hba *phba, int align)
 {
 	struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
-	int longs;
 	int i;
 
 	if (phba->sli_rev == LPFC_SLI_REV4)
@@ -138,17 +137,8 @@ lpfc_mem_alloc(struct lpfc_hba *phba, int align)
 		phba->lpfc_hrb_pool = NULL;
 		phba->lpfc_drb_pool = NULL;
 	}
-	/* vpi zero is reserved for the physical port so add 1 to max */
-	longs = ((phba->max_vpi + 1) + BITS_PER_LONG - 1) / BITS_PER_LONG;
-	phba->vpi_bmask = kzalloc(longs * sizeof(unsigned long), GFP_KERNEL);
-	if (!phba->vpi_bmask)
-		goto fail_free_dbq_pool;
 
 	return 0;
-
- fail_free_dbq_pool:
-	pci_pool_destroy(phba->lpfc_drb_pool);
-	phba->lpfc_drb_pool = NULL;
  fail_free_hrb_pool:
 	pci_pool_destroy(phba->lpfc_hrb_pool);
 	phba->lpfc_hrb_pool = NULL;
@@ -191,9 +181,6 @@ lpfc_mem_free(struct lpfc_hba *phba)
 	int i;
 	struct lpfc_dma_pool *pool = &phba->lpfc_mbuf_safety_pool;
 
-	/* Free VPI bitmask memory */
-	kfree(phba->vpi_bmask);
-
 	/* Free HBQ pools */
 	lpfc_sli_hbqbuf_free_all(phba);
 	if (phba->lpfc_drb_pool)

drivers/scsi/lpfc/lpfc_nportdisc.c

@@ -652,6 +652,7 @@ lpfc_disc_set_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	lpfc_unreg_rpi(vport, ndlp);
 	return 0;
 }
+
 /**
  * lpfc_release_rpi - Release a RPI by issuing unreg_login mailbox cmd.
  * @phba : Pointer to lpfc_hba structure.
@@ -1394,8 +1395,11 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
 	if (mb->mbxStatus) {
 		/* RegLogin failed */
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
-				"0246 RegLogin failed Data: x%x x%x x%x\n",
-				did, mb->mbxStatus, vport->port_state);
+				"0246 RegLogin failed Data: x%x x%x x%x x%x "
+				 "x%x\n",
+				 did, mb->mbxStatus, vport->port_state,
+				 mb->un.varRegLogin.vpi,
+				 mb->un.varRegLogin.rpi);
 		/*
 		 * If RegLogin failed due to lack of HBA resources do not
 		 * retry discovery.
@@ -1419,7 +1423,10 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
 		return ndlp->nlp_state;
 	}
 
-	ndlp->nlp_rpi = mb->un.varWords[0];
+	/* SLI4 ports have preallocated logical rpis. */
+	if (vport->phba->sli_rev < LPFC_SLI_REV4)
+		ndlp->nlp_rpi = mb->un.varWords[0];
+
 	ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 
 	/* Only if we are not a fabric nport do we issue PRLI */
@@ -2020,7 +2027,9 @@ lpfc_cmpl_reglogin_npr_node(struct lpfc_vport *vport,
 	MAILBOX_t    *mb = &pmb->u.mb;
 
 	if (!mb->mbxStatus) {
-		ndlp->nlp_rpi = mb->un.varWords[0];
+		/* SLI4 ports have preallocated logical rpis. */
+		if (vport->phba->sli_rev < LPFC_SLI_REV4)
+			ndlp->nlp_rpi = mb->un.varWords[0];
 		ndlp->nlp_flag |= NLP_RPI_REGISTERED;
 	} else {
 		if (ndlp->nlp_flag & NLP_NODEV_REMOVE) {

drivers/scsi/lpfc/lpfc_scsi.c

@@ -743,7 +743,14 @@ lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *phba)
 		if (bcnt == 0)
 			continue;
 		/* Now, post the SCSI buffer list sgls as a block */
-		status = lpfc_sli4_post_scsi_sgl_block(phba, &sblist, bcnt);
+		if (!phba->sli4_hba.extents_in_use)
+			status = lpfc_sli4_post_scsi_sgl_block(phba,
+							&sblist,
+							bcnt);
+		else
+			status = lpfc_sli4_post_scsi_sgl_blk_ext(phba,
+							&sblist,
+							bcnt);
 		/* Reset SCSI buffer count for next round of posting */
 		bcnt = 0;
 		while (!list_empty(&sblist)) {
@@ -787,7 +794,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
 	dma_addr_t pdma_phys_fcp_cmd;
 	dma_addr_t pdma_phys_fcp_rsp;
 	dma_addr_t pdma_phys_bpl, pdma_phys_bpl1;
-	uint16_t iotag, last_xritag = NO_XRI;
+	uint16_t iotag, last_xritag = NO_XRI, lxri = 0;
 	int status = 0, index;
 	int bcnt;
 	int non_sequential_xri = 0;
@@ -823,13 +830,15 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
 			break;
 		}
 
-		psb->cur_iocbq.sli4_xritag = lpfc_sli4_next_xritag(phba);
-		if (psb->cur_iocbq.sli4_xritag == NO_XRI) {
+		lxri = lpfc_sli4_next_xritag(phba);
+		if (lxri == NO_XRI) {
 			pci_pool_free(phba->lpfc_scsi_dma_buf_pool,
 			      psb->data, psb->dma_handle);
 			kfree(psb);
 			break;
 		}
+		psb->cur_iocbq.sli4_lxritag = lxri;
+		psb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[lxri];
 		if (last_xritag != NO_XRI
 			&& psb->cur_iocbq.sli4_xritag != (last_xritag+1)) {
 			non_sequential_xri = 1;
@@ -916,7 +925,21 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
 		}
 	}
 	if (bcnt) {
-		status = lpfc_sli4_post_scsi_sgl_block(phba, &sblist, bcnt);
+		if (!phba->sli4_hba.extents_in_use)
+			status = lpfc_sli4_post_scsi_sgl_block(phba,
+								&sblist,
+								bcnt);
+		else
+			status = lpfc_sli4_post_scsi_sgl_blk_ext(phba,
+								&sblist,
+								bcnt);
+
+		if (status) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_MBOX | LOG_SLI,
+					"3021 SCSI SGL post error %d\n",
+					status);
+			bcnt = 0;
+		}
 		/* Reset SCSI buffer count for next round of posting */
 		while (!list_empty(&sblist)) {
 			list_remove_head(&sblist, psb, struct lpfc_scsi_buf,
@@ -2797,6 +2820,9 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 	 * of the scsi_cmnd request_buffer
 	 */
 	piocbq->iocb.ulpContext = pnode->nlp_rpi;
+	if (phba->sli_rev == LPFC_SLI_REV4)
+		piocbq->iocb.ulpContext =
+		  phba->sli4_hba.rpi_ids[pnode->nlp_rpi];
 	if (pnode->nlp_fcp_info & NLP_FCP_2_DEVICE)
 		piocbq->iocb.ulpFCP2Rcvy = 1;
 	else
@@ -2810,7 +2836,7 @@ lpfc_scsi_prep_cmnd(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 }
 
 /**
- * lpfc_scsi_prep_task_mgmt_cmnd - Convert SLI3 scsi TM cmd to FCP info unit
+ * lpfc_scsi_prep_task_mgmt_cmd - Convert SLI3 scsi TM cmd to FCP info unit
  * @vport: The virtual port for which this call is being executed.
  * @lpfc_cmd: Pointer to lpfc_scsi_buf data structure.
  * @lun: Logical unit number.
@@ -2854,6 +2880,10 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
 		lpfc_fcpcmd_to_iocb(piocb->unsli3.fcp_ext.icd, fcp_cmnd);
 	piocb->ulpCommand = CMD_FCP_ICMND64_CR;
 	piocb->ulpContext = ndlp->nlp_rpi;
+	if (vport->phba->sli_rev == LPFC_SLI_REV4) {
+		piocb->ulpContext =
+		  vport->phba->sli4_hba.rpi_ids[ndlp->nlp_rpi];
+	}
 	if (ndlp->nlp_fcp_info & NLP_FCP_2_DEVICE) {
 		piocb->ulpFCP2Rcvy = 1;
 	}
@@ -3408,9 +3438,10 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
 
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
 			 "0702 Issue %s to TGT %d LUN %d "
-			 "rpi x%x nlp_flag x%x\n",
+			 "rpi x%x nlp_flag x%x Data: x%x x%x\n",
 			 lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id,
-			 pnode->nlp_rpi, pnode->nlp_flag);
+			 pnode->nlp_rpi, pnode->nlp_flag, iocbq->sli4_xritag,
+			 iocbq->iocb_flag);
 
 	status = lpfc_sli_issue_iocb_wait(phba, LPFC_FCP_RING,
 					  iocbq, iocbqrsp, lpfc_cmd->timeout);
@@ -3422,10 +3453,12 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
 			ret = FAILED;
 		lpfc_cmd->status = IOSTAT_DRIVER_REJECT;
 		lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
-			 "0727 TMF %s to TGT %d LUN %d failed (%d, %d)\n",
+			 "0727 TMF %s to TGT %d LUN %d failed (%d, %d) "
+			 "iocb_flag x%x\n",
 			 lpfc_taskmgmt_name(task_mgmt_cmd),
 			 tgt_id, lun_id, iocbqrsp->iocb.ulpStatus,
-			 iocbqrsp->iocb.un.ulpWord[4]);
+			 iocbqrsp->iocb.un.ulpWord[4],
+			 iocbq->iocb_flag);
 	} else if (status == IOCB_BUSY)
 		ret = FAILED;
 	else

drivers/scsi/lpfc/lpfc_sli.h

@@ -52,6 +52,7 @@ struct lpfc_iocbq {
 	struct list_head clist;
 	struct list_head dlist;
 	uint16_t iotag;         /* pre-assigned IO tag */
+	uint16_t sli4_lxritag;  /* logical pre-assigned XRI. */
 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 	struct lpfc_cq_event cq_event;
 

drivers/scsi/lpfc/lpfc_sli4.h

@@ -310,7 +310,6 @@ struct lpfc_max_cfg_param {
 	uint16_t vfi_base;
 	uint16_t vfi_used;
 	uint16_t max_fcfi;
-	uint16_t fcfi_base;
 	uint16_t fcfi_used;
 	uint16_t max_eq;
 	uint16_t max_rq;
@@ -449,10 +448,13 @@ struct lpfc_sli4_hba {
 	uint32_t intr_enable;
 	struct lpfc_bmbx bmbx;
 	struct lpfc_max_cfg_param max_cfg_param;
+	uint16_t extents_in_use; /* must allocate resource extents. */
+	uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
 	uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
 	uint16_t next_rpi;
 	uint16_t scsi_xri_max;
 	uint16_t scsi_xri_cnt;
+	uint16_t scsi_xri_start;
 	struct list_head lpfc_free_sgl_list;
 	struct list_head lpfc_sgl_list;
 	struct lpfc_sglq **lpfc_els_sgl_array;
@@ -463,7 +465,17 @@ struct lpfc_sli4_hba {
 	struct lpfc_sglq **lpfc_sglq_active_list;
 	struct list_head lpfc_rpi_hdr_list;
 	unsigned long *rpi_bmask;
+	uint16_t *rpi_ids;
 	uint16_t rpi_count;
+	struct list_head lpfc_rpi_blk_list;
+	unsigned long *xri_bmask;
+	uint16_t *xri_ids;
+	uint16_t xri_count;
+	struct list_head lpfc_xri_blk_list;
+	unsigned long *vfi_bmask;
+	uint16_t *vfi_ids;
+	uint16_t vfi_count;
+	struct list_head lpfc_vfi_blk_list;
 	struct lpfc_sli4_flags sli4_flags;
 	struct list_head sp_queue_event;
 	struct list_head sp_cqe_event_pool;
@@ -496,6 +508,7 @@ struct lpfc_sglq {
 	enum lpfc_sgl_state state;
 	struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
 	uint16_t iotag;         /* pre-assigned IO tag */
+	uint16_t sli4_lxritag;  /* logical pre-assigned xri. */
 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 	struct sli4_sge *sgl;	/* pre-assigned SGL */
 	void *virt;		/* virtual address. */
@@ -510,6 +523,13 @@ struct lpfc_rpi_hdr {
 	uint32_t start_rpi;
 };
 
+struct lpfc_rsrc_blks {
+	struct list_head list;
+	uint16_t rsrc_start;
+	uint16_t rsrc_size;
+	uint16_t rsrc_used;
+};
+
 /*
  * SLI4 specific function prototypes
  */
@@ -549,8 +569,11 @@ int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
-int lpfc_sli4_post_sgl_list(struct lpfc_hba *phba);
+int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
+int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
+int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
+				    int);
 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);

drivers/scsi/lpfc/lpfc_vport.c

@@ -83,7 +83,7 @@ inline void lpfc_vport_set_state(struct lpfc_vport *vport,
 static int
 lpfc_alloc_vpi(struct lpfc_hba *phba)
 {
-	int  vpi;
+	unsigned long vpi;
 
 	spin_lock_irq(&phba->hbalock);
 	/* Start at bit 1 because vpi zero is reserved for the physical port */