rk30/rk2928 hdmi:
[firefly-linux-kernel-4.4.55.git] / drivers / scsi / lpfc / lpfc_scsi.c
index 2e51aa6b45b3a90fb88c8f4ee6e1ea3f0082091f..eadd241eeff113cffc7a893412c43662ba695828 100644 (file)
@@ -1,7 +1,7 @@
 /*******************************************************************
  * This file is part of the Emulex Linux Device Driver for         *
  * Fibre Channel Host Bus Adapters.                                *
- * Copyright (C) 2004-2009 Emulex.  All rights reserved.           *
+ * Copyright (C) 2004-2011 Emulex.  All rights reserved.           *
  * EMULEX and SLI are trademarks of Emulex.                        *
  * www.emulex.com                                                  *
  * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
@@ -169,6 +169,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct  lpfc_scsi_buf *lpfc_cmd)
        spin_lock_irqsave(shost->host_lock, flags);
        if (!vport->stat_data_enabled ||
                vport->stat_data_blocked ||
+               !pnode ||
                !pnode->lat_data ||
                (phba->bucket_type == LPFC_NO_BUCKET)) {
                spin_unlock_irqrestore(shost->host_lock, flags);
@@ -576,7 +577,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
                        iocb->un.fcpi64.bdl.addrHigh = 0;
                        iocb->ulpBdeCount = 0;
                        iocb->ulpLe = 0;
-                       /* fill in responce BDE */
+                       /* fill in response BDE */
                        iocb->unsli3.fcp_ext.rbde.tus.f.bdeFlags =
                                                        BUFF_TYPE_BDE_64;
                        iocb->unsli3.fcp_ext.rbde.tus.f.bdeSize =
@@ -599,6 +600,7 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
                iocb->ulpClass = CLASS3;
                psb->status = IOSTAT_SUCCESS;
                /* Put it back into the SCSI buffer list */
+               psb->cur_iocbq.context1  = psb;
                lpfc_release_scsi_buf_s3(phba, psb);
 
        }
@@ -606,6 +608,32 @@ lpfc_new_scsi_buf_s3(struct lpfc_vport *vport, int num_to_alloc)
        return bcnt;
 }
 
+/**
+ * lpfc_sli4_vport_delete_fcp_xri_aborted -Remove all ndlp references for vport
+ * @vport: pointer to lpfc vport data structure.
+ *
+ * This routine is invoked by the vport cleanup for deletions and the cleanup
+ * for an ndlp on removal.
+ **/
+void
+lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *vport)
+{
+       struct lpfc_hba *phba = vport->phba;
+       struct lpfc_scsi_buf *psb, *next_psb;
+       unsigned long iflag = 0;
+
+       spin_lock_irqsave(&phba->hbalock, iflag);
+       spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+       list_for_each_entry_safe(psb, next_psb,
+                               &phba->sli4_hba.lpfc_abts_scsi_buf_list, list) {
+               if (psb->rdata && psb->rdata->pnode
+                       && psb->rdata->pnode->vport == vport)
+                       psb->rdata = NULL;
+       }
+       spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+       spin_unlock_irqrestore(&phba->hbalock, iflag);
+}
+
 /**
  * lpfc_sli4_fcp_xri_aborted - Fast-path process of fcp xri abort
  * @phba: pointer to lpfc hba data structure.
@@ -619,10 +647,13 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
                          struct sli4_wcqe_xri_aborted *axri)
 {
        uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
+       uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri);
        struct lpfc_scsi_buf *psb, *next_psb;
        unsigned long iflag = 0;
        struct lpfc_iocbq *iocbq;
        int i;
+       struct lpfc_nodelist *ndlp;
+       int rrq_empty = 0;
        struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
 
        spin_lock_irqsave(&phba->hbalock, iflag);
@@ -635,8 +666,18 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
                        psb->status = IOSTAT_SUCCESS;
                        spin_unlock(
                                &phba->sli4_hba.abts_scsi_buf_list_lock);
+                       if (psb->rdata && psb->rdata->pnode)
+                               ndlp = psb->rdata->pnode;
+                       else
+                               ndlp = NULL;
+
+                       rrq_empty = list_empty(&phba->active_rrq_list);
                        spin_unlock_irqrestore(&phba->hbalock, iflag);
+                       if (ndlp)
+                               lpfc_set_rrq_active(phba, ndlp, xri, rxid, 1);
                        lpfc_release_scsi_buf_s4(phba, psb);
+                       if (rrq_empty)
+                               lpfc_worker_wake_up(phba);
                        return;
                }
        }
@@ -702,7 +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)) {
@@ -746,7 +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;
@@ -782,13 +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;
@@ -820,6 +870,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
                 */
                sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_cmd));
                sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_cmd));
+               sgl->word2 = le32_to_cpu(sgl->word2);
                bf_set(lpfc_sli4_sge_last, sgl, 0);
                sgl->word2 = cpu_to_le32(sgl->word2);
                sgl->sge_len = cpu_to_le32(sizeof(struct fcp_cmnd));
@@ -828,6 +879,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
                /* Setup the physical region for the FCP RSP */
                sgl->addr_hi = cpu_to_le32(putPaddrHigh(pdma_phys_fcp_rsp));
                sgl->addr_lo = cpu_to_le32(putPaddrLow(pdma_phys_fcp_rsp));
+               sgl->word2 = le32_to_cpu(sgl->word2);
                bf_set(lpfc_sli4_sge_last, sgl, 1);
                sgl->word2 = cpu_to_le32(sgl->word2);
                sgl->sge_len = cpu_to_le32(sizeof(struct fcp_rsp));
@@ -849,6 +901,7 @@ lpfc_new_scsi_buf_s4(struct lpfc_vport *vport, int num_to_alloc)
                iocb->ulpBdeCount = 1;
                iocb->ulpLe = 1;
                iocb->ulpClass = CLASS3;
+               psb->cur_iocbq.context1  = psb;
                if (phba->cfg_sg_dma_buf_size > SGL_PAGE_SIZE)
                        pdma_phys_bpl1 = pdma_phys_bpl + SGL_PAGE_SIZE;
                else
@@ -872,7 +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,
@@ -911,7 +978,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport, int num_to_alloc)
 }
 
 /**
- * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list of the HBA
+ * lpfc_get_scsi_buf_s3 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA
  * @phba: The HBA for which this call is being executed.
  *
  * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list
@@ -922,7 +989,7 @@ lpfc_new_scsi_buf(struct lpfc_vport *vport, int num_to_alloc)
  *   Pointer to lpfc_scsi_buf - Success
  **/
 static struct lpfc_scsi_buf*
-lpfc_get_scsi_buf(struct lpfc_hba * phba)
+lpfc_get_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
 {
        struct  lpfc_scsi_buf * lpfc_cmd = NULL;
        struct list_head *scsi_buf_list = &phba->lpfc_scsi_buf_list;
@@ -938,6 +1005,60 @@ lpfc_get_scsi_buf(struct lpfc_hba * phba)
        spin_unlock_irqrestore(&phba->scsi_buf_list_lock, iflag);
        return  lpfc_cmd;
 }
+/**
+ * lpfc_get_scsi_buf_s4 - Get a scsi buffer from lpfc_scsi_buf_list of the HBA
+ * @phba: The HBA for which this call is being executed.
+ *
+ * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list
+ * and returns to caller.
+ *
+ * Return codes:
+ *   NULL - Error
+ *   Pointer to lpfc_scsi_buf - Success
+ **/
+static struct lpfc_scsi_buf*
+lpfc_get_scsi_buf_s4(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+       struct lpfc_scsi_buf *lpfc_cmd ;
+       unsigned long iflag = 0;
+       int found = 0;
+
+       spin_lock_irqsave(&phba->scsi_buf_list_lock, iflag);
+       list_for_each_entry(lpfc_cmd, &phba->lpfc_scsi_buf_list,
+                                                       list) {
+               if (lpfc_test_rrq_active(phba, ndlp,
+                                        lpfc_cmd->cur_iocbq.sli4_xritag))
+                       continue;
+               list_del(&lpfc_cmd->list);
+               found = 1;
+               lpfc_cmd->seg_cnt = 0;
+               lpfc_cmd->nonsg_phys = 0;
+               lpfc_cmd->prot_seg_cnt = 0;
+               break;
+       }
+       spin_unlock_irqrestore(&phba->scsi_buf_list_lock,
+                                                iflag);
+       if (!found)
+               return NULL;
+       else
+               return  lpfc_cmd;
+}
+/**
+ * lpfc_get_scsi_buf - Get a scsi buffer from lpfc_scsi_buf_list of the HBA
+ * @phba: The HBA for which this call is being executed.
+ *
+ * This routine removes a scsi buffer from head of @phba lpfc_scsi_buf_list list
+ * and returns to caller.
+ *
+ * Return codes:
+ *   NULL - Error
+ *   Pointer to lpfc_scsi_buf - Success
+ **/
+static struct lpfc_scsi_buf*
+lpfc_get_scsi_buf(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
+{
+       return  phba->lpfc_get_scsi_buf(phba, ndlp);
+}
 
 /**
  * lpfc_release_scsi_buf - Return a scsi buffer back to hba scsi buf list
@@ -1121,10 +1242,10 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
                                     (2 * sizeof(struct ulp_bde64)));
                        data_bde->addrHigh = putPaddrHigh(physaddr);
                        data_bde->addrLow = putPaddrLow(physaddr);
-                       /* ebde count includes the responce bde and data bpl */
+                       /* ebde count includes the response bde and data bpl */
                        iocb_cmd->unsli3.fcp_ext.ebde_count = 2;
                } else {
-                       /* ebde count includes the responce bde and data bdes */
+                       /* ebde count includes the response bde and data bdes */
                        iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1);
                }
        } else {
@@ -1181,13 +1302,13 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
                case SCSI_PROT_NORMAL:
                default:
                        lpfc_printf_log(phba, KERN_ERR, LOG_BG,
-                               "9063 BLKGRD: Bad op/guard:%d/%d combination\n",
-                                       scsi_get_prot_op(sc), guard_type);
+                               "9063 BLKGRD: Bad op/guard:%d/IP combination\n",
+                                       scsi_get_prot_op(sc));
                        ret = 1;
                        break;
 
                }
-       } else if (guard_type == SHOST_DIX_GUARD_CRC) {
+       } else {
                switch (scsi_get_prot_op(sc)) {
                case SCSI_PROT_READ_STRIP:
                case SCSI_PROT_WRITE_INSERT:
@@ -1203,17 +1324,18 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
                case SCSI_PROT_READ_INSERT:
                case SCSI_PROT_WRITE_STRIP:
+                       *txop = BG_OP_IN_CRC_OUT_NODIF;
+                       *rxop = BG_OP_IN_NODIF_OUT_CRC;
+                       break;
+
                case SCSI_PROT_NORMAL:
                default:
                        lpfc_printf_log(phba, KERN_ERR, LOG_BG,
-                               "9075 BLKGRD: Bad op/guard:%d/%d combination\n",
-                                       scsi_get_prot_op(sc), guard_type);
+                               "9075 BLKGRD: Bad op/guard:%d/CRC combination\n",
+                                       scsi_get_prot_op(sc));
                        ret = 1;
                        break;
                }
-       } else {
-               /* unsupported format */
-               BUG();
        }
 
        return ret;
@@ -1231,45 +1353,6 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc)
        return sc->device->sector_size;
 }
 
-/**
- * lpfc_get_cmd_dif_parms - Extract DIF parameters from SCSI command
- * @sc:             in: SCSI command
- * @apptagmask:     out: app tag mask
- * @apptagval:      out: app tag value
- * @reftag:         out: ref tag (reference tag)
- *
- * Description:
- *   Extract DIF parameters from the command if possible.  Otherwise,
- *   use default parameters.
- *
- **/
-static inline void
-lpfc_get_cmd_dif_parms(struct scsi_cmnd *sc, uint16_t *apptagmask,
-               uint16_t *apptagval, uint32_t *reftag)
-{
-       struct  scsi_dif_tuple *spt;
-       unsigned char op = scsi_get_prot_op(sc);
-       unsigned int protcnt = scsi_prot_sg_count(sc);
-       static int cnt;
-
-       if (protcnt && (op == SCSI_PROT_WRITE_STRIP ||
-                               op == SCSI_PROT_WRITE_PASS)) {
-
-               cnt++;
-               spt = page_address(sg_page(scsi_prot_sglist(sc))) +
-                       scsi_prot_sglist(sc)[0].offset;
-               *apptagmask = 0;
-               *apptagval = 0;
-               *reftag = cpu_to_be32(spt->ref_tag);
-
-       } else {
-               /* SBC defines ref tag to be lower 32bits of LBA */
-               *reftag = (uint32_t) (0xffffffff & scsi_get_lba(sc));
-               *apptagmask = 0;
-               *apptagval = 0;
-       }
-}
-
 /*
  * This function sets up buffer list for protection groups of
  * type LPFC_PG_TYPE_NO_DIF
@@ -1306,9 +1389,8 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
        dma_addr_t physaddr;
        int i = 0, num_bde = 0, status;
        int datadir = sc->sc_data_direction;
-       unsigned blksize;
        uint32_t reftag;
-       uint16_t apptagmask, apptagval;
+       unsigned blksize;
        uint8_t txop, rxop;
 
        status  = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop);
@@ -1317,17 +1399,16 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
        /* extract some info from the scsi command for pde*/
        blksize = lpfc_cmd_blksize(sc);
-       lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
+       reftag = scsi_get_lba(sc) & 0xffffffff;
 
        /* setup PDE5 with what we have */
        pde5 = (struct lpfc_pde5 *) bpl;
        memset(pde5, 0, sizeof(struct lpfc_pde5));
        bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
-       pde5->reftag = reftag;
 
        /* Endianness conversion if necessary for PDE5 */
        pde5->word0 = cpu_to_le32(pde5->word0);
-       pde5->reftag = cpu_to_le32(pde5->reftag);
+       pde5->reftag = cpu_to_le32(reftag);
 
        /* advance bpl and increment bde count */
        num_bde++;
@@ -1342,10 +1423,10 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
        if (datadir == DMA_FROM_DEVICE) {
                bf_set(pde6_ce, pde6, 1);
                bf_set(pde6_re, pde6, 1);
-               bf_set(pde6_ae, pde6, 1);
        }
        bf_set(pde6_ai, pde6, 1);
-       bf_set(pde6_apptagval, pde6, apptagval);
+       bf_set(pde6_ae, pde6, 0);
+       bf_set(pde6_apptagval, pde6, 0);
 
        /* Endianness conversion if necessary for PDE6 */
        pde6->word0 = cpu_to_le32(pde6->word0);
@@ -1418,10 +1499,11 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
        struct scatterlist *sgpe = NULL; /* s/g prot entry */
        struct lpfc_pde5 *pde5 = NULL;
        struct lpfc_pde6 *pde6 = NULL;
-       struct ulp_bde64 *prot_bde = NULL;
+       struct lpfc_pde7 *pde7 = NULL;
        dma_addr_t dataphysaddr, protphysaddr;
        unsigned short curr_data = 0, curr_prot = 0;
-       unsigned int split_offset, protgroup_len;
+       unsigned int split_offset;
+       unsigned int protgroup_len, protgroup_offset = 0, protgroup_remainder;
        unsigned int protgrp_blks, protgrp_bytes;
        unsigned int remainder, subtotal;
        int status;
@@ -1429,7 +1511,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
        unsigned char pgdone = 0, alldone = 0;
        unsigned blksize;
        uint32_t reftag;
-       uint16_t apptagmask, apptagval;
        uint8_t txop, rxop;
        int num_bde = 0;
 
@@ -1449,7 +1530,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
        /* extract some info from the scsi command */
        blksize = lpfc_cmd_blksize(sc);
-       lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
+       reftag = scsi_get_lba(sc) & 0xffffffff;
 
        split_offset = 0;
        do {
@@ -1457,11 +1538,10 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
                pde5 = (struct lpfc_pde5 *) bpl;
                memset(pde5, 0, sizeof(struct lpfc_pde5));
                bf_set(pde5_type, pde5, LPFC_PDE5_DESCRIPTOR);
-               pde5->reftag = reftag;
 
                /* Endianness conversion if necessary for PDE5 */
                pde5->word0 = cpu_to_le32(pde5->word0);
-               pde5->reftag = cpu_to_le32(pde5->reftag);
+               pde5->reftag = cpu_to_le32(reftag);
 
                /* advance bpl and increment bde count */
                num_bde++;
@@ -1475,9 +1555,9 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
                bf_set(pde6_oprx, pde6, rxop);
                bf_set(pde6_ce, pde6, 1);
                bf_set(pde6_re, pde6, 1);
-               bf_set(pde6_ae, pde6, 1);
                bf_set(pde6_ai, pde6, 1);
-               bf_set(pde6_apptagval, pde6, apptagval);
+               bf_set(pde6_ae, pde6, 0);
+               bf_set(pde6_apptagval, pde6, 0);
 
                /* Endianness conversion if necessary for PDE6 */
                pde6->word0 = cpu_to_le32(pde6->word0);
@@ -1489,23 +1569,33 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
                bpl++;
 
                /* setup the first BDE that points to protection buffer */
-               prot_bde = (struct ulp_bde64 *) bpl;
-               protphysaddr = sg_dma_address(sgpe);
-               prot_bde->addrHigh = le32_to_cpu(putPaddrLow(protphysaddr));
-               prot_bde->addrLow = le32_to_cpu(putPaddrHigh(protphysaddr));
-               protgroup_len = sg_dma_len(sgpe);
+               protphysaddr = sg_dma_address(sgpe) + protgroup_offset;
+               protgroup_len = sg_dma_len(sgpe) - protgroup_offset;
 
                /* must be integer multiple of the DIF block length */
                BUG_ON(protgroup_len % 8);
 
+               pde7 = (struct lpfc_pde7 *) bpl;
+               memset(pde7, 0, sizeof(struct lpfc_pde7));
+               bf_set(pde7_type, pde7, LPFC_PDE7_DESCRIPTOR);
+
+               pde7->addrHigh = le32_to_cpu(putPaddrHigh(protphysaddr));
+               pde7->addrLow = le32_to_cpu(putPaddrLow(protphysaddr));
+
                protgrp_blks = protgroup_len / 8;
                protgrp_bytes = protgrp_blks * blksize;
 
-               prot_bde->tus.f.bdeSize = protgroup_len;
-               prot_bde->tus.f.bdeFlags = LPFC_PDE7_DESCRIPTOR;
-               prot_bde->tus.w = le32_to_cpu(bpl->tus.w);
+               /* check if this pde is crossing the 4K boundary; if so split */
+               if ((pde7->addrLow & 0xfff) + protgroup_len > 0x1000) {
+                       protgroup_remainder = 0x1000 - (pde7->addrLow & 0xfff);
+                       protgroup_offset += protgroup_remainder;
+                       protgrp_blks = protgroup_remainder / 8;
+                       protgrp_bytes = protgrp_blks * blksize;
+               } else {
+                       protgroup_offset = 0;
+                       curr_prot++;
+               }
 
-               curr_prot++;
                num_bde++;
 
                /* setup BDE's for data blocks associated with DIF data */
@@ -1557,6 +1647,13 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
 
                }
 
+               if (protgroup_offset) {
+                       /* update the reference tag */
+                       reftag += protgrp_blks;
+                       bpl++;
+                       continue;
+               }
+
                /* are we done ? */
                if (curr_prot == protcnt) {
                        alldone = 1;
@@ -1579,6 +1676,7 @@ out:
 
        return num_bde;
 }
+
 /*
  * Given a SCSI command that supports DIF, determine composition of protection
  * groups involved in setting up buffer lists
@@ -1866,16 +1964,21 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd,
        if (lpfc_bgs_get_hi_water_mark_present(bgstat)) {
                /*
                 * setup sense data descriptor 0 per SPC-4 as an information
-                * field, and put the failing LBA in it
+                * field, and put the failing LBA in it.
+                * This code assumes there was also a guard/app/ref tag error
+                * indication.
                 */
-               cmd->sense_buffer[8] = 0;     /* Information */
-               cmd->sense_buffer[9] = 0xa;   /* Add. length */
+               cmd->sense_buffer[7] = 0xc;   /* Additional sense length */
+               cmd->sense_buffer[8] = 0;     /* Information descriptor type */
+               cmd->sense_buffer[9] = 0xa;   /* Additional descriptor length */
+               cmd->sense_buffer[10] = 0x80; /* Validity bit */
                bghm /= cmd->device->sector_size;
 
                failing_sector = scsi_get_lba(cmd);
                failing_sector += bghm;
 
-               put_unaligned_be64(failing_sector, &cmd->sense_buffer[10]);
+               /* Descriptor Information */
+               put_unaligned_be64(failing_sector, &cmd->sense_buffer[12]);
        }
 
        if (!ret) {
@@ -1908,12 +2011,14 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
        struct scatterlist *sgel = NULL;
        struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
        struct sli4_sge *sgl = (struct sli4_sge *)lpfc_cmd->fcp_bpl;
+       struct sli4_sge *first_data_sgl;
        IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
        dma_addr_t physaddr;
        uint32_t num_bde = 0;
        uint32_t dma_len;
        uint32_t dma_offset = 0;
        int nseg;
+       struct ulp_bde64 *bde;
 
        /*
         * There are three possibilities here - use scatter-gather segment, use
@@ -1938,7 +2043,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
                bf_set(lpfc_sli4_sge_last, sgl, 0);
                sgl->word2 = cpu_to_le32(sgl->word2);
                sgl += 1;
-
+               first_data_sgl = sgl;
                lpfc_cmd->seg_cnt = nseg;
                if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) {
                        lpfc_printf_log(phba, KERN_ERR, LOG_BG, "9074 BLKGRD:"
@@ -1964,6 +2069,7 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
                        dma_len = sg_dma_len(sgel);
                        sgl->addr_lo = cpu_to_le32(putPaddrLow(physaddr));
                        sgl->addr_hi = cpu_to_le32(putPaddrHigh(physaddr));
+                       sgl->word2 = le32_to_cpu(sgl->word2);
                        if ((num_bde + 1) == nseg)
                                bf_set(lpfc_sli4_sge_last, sgl, 1);
                        else
@@ -1974,6 +2080,17 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
                        dma_offset += dma_len;
                        sgl++;
                }
+               /* setup the performance hint (first data BDE) if enabled */
+               if (phba->sli3_options & LPFC_SLI4_PERFH_ENABLED) {
+                       bde = (struct ulp_bde64 *)
+                                       &(iocb_cmd->unsli3.sli3Words[5]);
+                       bde->addrLow = first_data_sgl->addr_lo;
+                       bde->addrHigh = first_data_sgl->addr_hi;
+                       bde->tus.f.bdeSize =
+                                       le32_to_cpu(first_data_sgl->sge_len);
+                       bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+                       bde->tus.w = cpu_to_le32(bde->tus.w);
+               }
        } else {
                sgl += 1;
                /* clear the last flag in the fcp_rsp map entry */
@@ -2038,6 +2155,9 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
        struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
        unsigned long flags;
 
+       if (!pnode || !NLP_CHK_NODE_ACT(pnode))
+               return;
+
        /* If there is queuefull or busy condition send a scsi event */
        if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
                (cmnd->result == SAM_STAT_BUSY)) {
@@ -2249,7 +2369,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
                }
                /*
                 * The cmnd->underflow is the minimum number of bytes that must
-                * be transfered for this command.  Provided a sense condition
+                * be transferred for this command.  Provided a sense condition
                 * is not present, make sure the actual amount transferred is at
                 * least the underflow value or fail.
                 */
@@ -2276,15 +2396,24 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
         * Check SLI validation that all the transfer was actually done
         * (fcpi_parm should be zero). Apply check only to reads.
         */
-       } else if ((scsi_status == SAM_STAT_GOOD) && fcpi_parm &&
-                       (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
+       } else if (fcpi_parm && (cmnd->sc_data_direction == DMA_FROM_DEVICE)) {
                lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP | LOG_FCP_ERROR,
                                 "9029 FCP Read Check Error Data: "
-                                "x%x x%x x%x x%x\n",
+                                "x%x x%x x%x x%x x%x\n",
                                 be32_to_cpu(fcpcmd->fcpDl),
                                 be32_to_cpu(fcprsp->rspResId),
-                                fcpi_parm, cmnd->cmnd[0]);
-               host_status = DID_ERROR;
+                                fcpi_parm, cmnd->cmnd[0], scsi_status);
+               switch (scsi_status) {
+               case SAM_STAT_GOOD:
+               case SAM_STAT_CHECK_CONDITION:
+                       /* Fabric dropped a data frame. Fail any successful
+                        * command in which we detected dropped frames.
+                        * A status of good or some check conditions could
+                        * be considered a successful command.
+                        */
+                       host_status = DID_ERROR;
+                       break;
+               }
                scsi_set_resid(cmnd, scsi_bufflen(cmnd));
        }
 
@@ -2386,6 +2515,16 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
                        lpfc_worker_wake_up(phba);
                        break;
                case IOSTAT_LOCAL_REJECT:
+               case IOSTAT_REMOTE_STOP:
+                       if (lpfc_cmd->result == IOERR_ELXSEC_KEY_UNWRAP_ERROR ||
+                           lpfc_cmd->result ==
+                                       IOERR_ELXSEC_KEY_UNWRAP_COMPARE_ERROR ||
+                           lpfc_cmd->result == IOERR_ELXSEC_CRYPTO_ERROR ||
+                           lpfc_cmd->result ==
+                                       IOERR_ELXSEC_CRYPTO_COMPARE_ERROR) {
+                               cmd->result = ScsiResult(DID_NO_CONNECT, 0);
+                               break;
+                       }
                        if (lpfc_cmd->result == IOERR_INVALID_RPI ||
                            lpfc_cmd->result == IOERR_NO_RESOURCES ||
                            lpfc_cmd->result == IOERR_ABORT_REQUESTED ||
@@ -2393,7 +2532,6 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
                                cmd->result = ScsiResult(DID_REQUEUE, 0);
                                break;
                        }
-
                        if ((lpfc_cmd->result == IOERR_RX_DMA_FAILED ||
                             lpfc_cmd->result == IOERR_TX_DMA_FAILED) &&
                             pIocbOut->iocb.unsli3.sli3_bg.bgstat) {
@@ -2412,7 +2550,17 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
                                                        "on unprotected cmd\n");
                                }
                        }
-
+                       if ((lpfc_cmd->status == IOSTAT_REMOTE_STOP)
+                               && (phba->sli_rev == LPFC_SLI_REV4)
+                               && (pnode && NLP_CHK_NODE_ACT(pnode))) {
+                               /* This IO was aborted by the target, we don't
+                                * know the rxid and because we did not send the
+                                * ABTS we cannot generate and RRQ.
+                                */
+                               lpfc_set_rrq_active(phba, pnode,
+                                               lpfc_cmd->cur_iocbq.sli4_xritag,
+                                               0, 0);
+                       }
                /* else: fall through */
                default:
                        cmd->result = ScsiResult(DID_ERROR, 0);
@@ -2423,9 +2571,8 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
                    || (pnode->nlp_state != NLP_STE_MAPPED_NODE))
                        cmd->result = ScsiResult(DID_TRANSPORT_DISRUPTED,
                                                 SAM_STAT_BUSY);
-       } else {
+       } else
                cmd->result = ScsiResult(DID_OK, 0);
-       }
 
        if (cmd->result || lpfc_cmd->fcp_rsp->rspSnsLen) {
                uint32_t *lp = (uint32_t *)cmd->sense_buffer;
@@ -2636,6 +2783,9 @@ 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
@@ -2649,7 +2799,7 @@ 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.
@@ -2693,6 +2843,10 @@ 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;
        }
@@ -2715,7 +2869,7 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_vport *vport,
 }
 
 /**
- * lpfc_scsi_api_table_setup - Set up scsi api fucntion jump table
+ * lpfc_scsi_api_table_setup - Set up scsi api function jump table
  * @phba: The hba struct for which this call is being executed.
  * @dev_grp: The HBA PCI-Device group number.
  *
@@ -2729,18 +2883,19 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
 
        phba->lpfc_scsi_unprep_dma_buf = lpfc_scsi_unprep_dma_buf;
        phba->lpfc_scsi_prep_cmnd = lpfc_scsi_prep_cmnd;
-       phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf;
 
        switch (dev_grp) {
        case LPFC_PCI_DEV_LP:
                phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s3;
                phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3;
                phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3;
+               phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3;
                break;
        case LPFC_PCI_DEV_OC:
                phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s4;
                phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4;
                phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4;
+               phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s4;
                break;
        default:
                lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -2749,7 +2904,6 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp)
                return -ENODEV;
                break;
        }
-       phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf;
        phba->lpfc_rampdown_queue_depth = lpfc_rampdown_queue_depth;
        phba->lpfc_scsi_cmd_iocb_cmpl = lpfc_scsi_cmd_iocb_cmpl;
        return 0;
@@ -2884,7 +3038,7 @@ void lpfc_poll_timeout(unsigned long ptr)
  *   SCSI_MLQUEUE_HOST_BUSY - Block all devices served by this host temporarily.
  **/
 static int
-lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
+lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
 {
        struct Scsi_Host  *shost = cmnd->device->host;
        struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
@@ -2919,13 +3073,13 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
         * transport is still transitioning.
         */
        if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
-               cmnd->result = ScsiResult(DID_TRANSPORT_DISRUPTED, 0);
+               cmnd->result = ScsiResult(DID_IMM_RETRY, 0);
                goto out_fail_command;
        }
        if (atomic_read(&ndlp->cmd_pending) >= ndlp->cmd_qdepth)
-               goto out_host_busy;
+               goto out_tgt_busy;
 
-       lpfc_cmd = lpfc_get_scsi_buf(phba);
+       lpfc_cmd = lpfc_get_scsi_buf(phba, ndlp);
        if (lpfc_cmd == NULL) {
                lpfc_rampdown_queue_depth(phba);
 
@@ -3040,11 +3194,16 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
  out_host_busy:
        return SCSI_MLQUEUE_HOST_BUSY;
 
+ out_tgt_busy:
+       return SCSI_MLQUEUE_TARGET_BUSY;
+
  out_fail_command:
        done(cmnd);
        return 0;
 }
 
+static DEF_SCSI_QCMD(lpfc_queuecommand)
+
 /**
  * lpfc_abort_handler - scsi_host_template eh_abort_handler entry point
  * @cmnd: Pointer to scsi_cmnd data structure.
@@ -3072,7 +3231,13 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
        if (ret)
                return ret;
        lpfc_cmd = (struct lpfc_scsi_buf *)cmnd->host_scribble;
-       BUG_ON(!lpfc_cmd);
+       if (!lpfc_cmd) {
+               lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
+                        "2873 SCSI Layer I/O Abort Request IO CMPL Status "
+                        "x%x ID %d LUN %d\n",
+                        ret, cmnd->device->id, cmnd->device->lun);
+               return SUCCESS;
+       }
 
        /*
         * If pCmd field of the corresponding lpfc_scsi_buf structure
@@ -3148,16 +3313,15 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
                lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
                                 "0748 abort handler timed out waiting "
                                 "for abort to complete: ret %#x, ID %d, "
-                                "LUN %d, snum %#lx\n",
-                                ret, cmnd->device->id, cmnd->device->lun,
-                                cmnd->serial_number);
+                                "LUN %d\n",
+                                ret, cmnd->device->id, cmnd->device->lun);
        }
 
  out:
        lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
                         "0749 SCSI Layer I/O Abort Request Status x%x ID %d "
-                        "LUN %d snum %#lx\n", ret, cmnd->device->id,
-                        cmnd->device->lun, cmnd->serial_number);
+                        "LUN %d\n", ret, cmnd->device->id,
+                        cmnd->device->lun);
        return ret;
 }
 
@@ -3208,13 +3372,14 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
        struct lpfc_scsi_buf *lpfc_cmd;
        struct lpfc_iocbq *iocbq;
        struct lpfc_iocbq *iocbqrsp;
+       struct lpfc_nodelist *pnode = rdata->pnode;
        int ret;
        int status;
 
-       if (!rdata->pnode || !NLP_CHK_NODE_ACT(rdata->pnode))
+       if (!pnode || !NLP_CHK_NODE_ACT(pnode))
                return FAILED;
 
-       lpfc_cmd = lpfc_get_scsi_buf(phba);
+       lpfc_cmd = lpfc_get_scsi_buf(phba, rdata->pnode);
        if (lpfc_cmd == NULL)
                return FAILED;
        lpfc_cmd->timeout = 60;
@@ -3236,9 +3401,10 @@ 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,
-                        rdata->pnode->nlp_rpi, rdata->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);
@@ -3250,10 +3416,12 @@ 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
@@ -3656,7 +3824,6 @@ lpfc_slave_alloc(struct scsi_device *sdev)
  *
  * This routine configures following items
  *   - Tag command queuing support for @sdev if supported.
- *   - Dev loss time out value of fc_rport.
  *   - Enable SLI polling for fcp ring if ENABLE_FCP_RING_POLLING flag is set.
  *
  * Return codes:
@@ -3667,21 +3834,12 @@ lpfc_slave_configure(struct scsi_device *sdev)
 {
        struct lpfc_vport *vport = (struct lpfc_vport *) sdev->host->hostdata;
        struct lpfc_hba   *phba = vport->phba;
-       struct fc_rport   *rport = starget_to_rport(sdev->sdev_target);
 
        if (sdev->tagged_supported)
                scsi_activate_tcq(sdev, vport->cfg_lun_queue_depth);
        else
                scsi_deactivate_tcq(sdev, vport->cfg_lun_queue_depth);
 
-       /*
-        * Initialize the fc transport attributes for the target
-        * containing this scsi device.  Also note that the driver's
-        * target pointer is stored in the starget_data for the
-        * driver's sysfs entry point functions.
-        */
-       rport->dev_loss_tmo = vport->cfg_devloss_tmo;
-
        if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) {
                lpfc_sli_handle_fast_ring_event(phba,
                        &phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);