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path: root/drivers/scsi/lpfc/lpfc_scsi.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c203
1 files changed, 143 insertions, 60 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 7f21b47db791..f4a3b2e79eea 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -19,6 +19,7 @@
* included with this package. *
*******************************************************************/
#include <linux/pci.h>
+#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <asm/unaligned.h>
@@ -620,23 +621,40 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
struct lpfc_scsi_buf *psb, *next_psb;
unsigned long iflag = 0;
+ struct lpfc_iocbq *iocbq;
+ int i;
- spin_lock_irqsave(&phba->sli4_hba.abts_scsi_buf_list_lock, iflag);
+ 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->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,
- iflag);
+ spin_unlock(
+ &phba->sli4_hba.abts_scsi_buf_list_lock);
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
lpfc_release_scsi_buf_s4(phba, psb);
return;
}
}
- spin_unlock_irqrestore(&phba->sli4_hba.abts_scsi_buf_list_lock,
- iflag);
+ spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+ for (i = 1; i <= phba->sli.last_iotag; i++) {
+ iocbq = phba->sli.iocbq_lookup[i];
+
+ if (!(iocbq->iocb_flag & LPFC_IO_FCP) ||
+ (iocbq->iocb_flag & LPFC_IO_LIBDFC))
+ continue;
+ if (iocbq->sli4_xritag != xri)
+ continue;
+ psb = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+ psb->exch_busy = 0;
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
+ return;
+
+ }
+ spin_unlock_irqrestore(&phba->hbalock, iflag);
}
/**
@@ -1006,6 +1024,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
struct scatterlist *sgel = NULL;
struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl;
+ struct lpfc_iocbq *iocbq = &lpfc_cmd->cur_iocbq;
IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde;
dma_addr_t physaddr;
@@ -1056,6 +1075,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
physaddr = sg_dma_address(sgel);
if (phba->sli_rev == 3 &&
!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+ !(iocbq->iocb_flag & DSS_SECURITY_OP) &&
nseg <= LPFC_EXT_DATA_BDE_COUNT) {
data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
data_bde->tus.f.bdeSize = sg_dma_len(sgel);
@@ -1082,7 +1102,8 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
* explicitly reinitialized since all iocb memory resources are reused.
*/
if (phba->sli_rev == 3 &&
- !(phba->sli3_options & LPFC_SLI3_BG_ENABLED)) {
+ !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+ !(iocbq->iocb_flag & DSS_SECURITY_OP)) {
if (num_bde > LPFC_EXT_DATA_BDE_COUNT) {
/*
* The extended IOCB format can only fit 3 BDE or a BPL.
@@ -1107,6 +1128,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
} else {
iocb_cmd->un.fcpi64.bdl.bdeSize =
((num_bde + 2) * sizeof(struct ulp_bde64));
+ iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1);
}
fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd));
@@ -1119,37 +1141,47 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
}
/*
- * Given a scsi cmnd, determine the BlockGuard profile to be used
- * with the cmd
+ * Given a scsi cmnd, determine the BlockGuard opcodes to be used with it
+ * @sc: The SCSI command to examine
+ * @txopt: (out) BlockGuard operation for transmitted data
+ * @rxopt: (out) BlockGuard operation for received data
+ *
+ * Returns: zero on success; non-zero if tx and/or rx op cannot be determined
+ *
*/
static int
-lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
+lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
+ uint8_t *txop, uint8_t *rxop)
{
uint8_t guard_type = scsi_host_get_guard(sc->device->host);
- uint8_t ret_prof = LPFC_PROF_INVALID;
+ uint8_t ret = 0;
if (guard_type == SHOST_DIX_GUARD_IP) {
switch (scsi_get_prot_op(sc)) {
case SCSI_PROT_READ_INSERT:
case SCSI_PROT_WRITE_STRIP:
- ret_prof = LPFC_PROF_AST2;
+ *txop = BG_OP_IN_CSUM_OUT_NODIF;
+ *rxop = BG_OP_IN_NODIF_OUT_CSUM;
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
- ret_prof = LPFC_PROF_A1;
+ *txop = BG_OP_IN_NODIF_OUT_CRC;
+ *rxop = BG_OP_IN_CRC_OUT_NODIF;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
- ret_prof = LPFC_PROF_AST1;
+ *txop = BG_OP_IN_CSUM_OUT_CRC;
+ *rxop = BG_OP_IN_CRC_OUT_CSUM;
break;
case SCSI_PROT_NORMAL:
default:
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
- "9063 BLKGRD:Bad op/guard:%d/%d combination\n",
+ "9063 BLKGRD: Bad op/guard:%d/%d combination\n",
scsi_get_prot_op(sc), guard_type);
+ ret = 1;
break;
}
@@ -1157,12 +1189,14 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
switch (scsi_get_prot_op(sc)) {
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
- ret_prof = LPFC_PROF_A1;
+ *txop = BG_OP_IN_NODIF_OUT_CRC;
+ *rxop = BG_OP_IN_CRC_OUT_NODIF;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
- ret_prof = LPFC_PROF_C1;
+ *txop = BG_OP_IN_CRC_OUT_CRC;
+ *rxop = BG_OP_IN_CRC_OUT_CRC;
break;
case SCSI_PROT_READ_INSERT:
@@ -1172,6 +1206,7 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
"9075 BLKGRD: Bad op/guard:%d/%d combination\n",
scsi_get_prot_op(sc), guard_type);
+ ret = 1;
break;
}
} else {
@@ -1179,7 +1214,7 @@ lpfc_sc_to_sli_prof(struct lpfc_hba *phba, struct scsi_cmnd *sc)
BUG();
}
- return ret_prof;
+ return ret;
}
struct scsi_dif_tuple {
@@ -1244,7 +1279,9 @@ lpfc_get_cmd_dif_parms(struct scsi_cmnd *sc, uint16_t *apptagmask,
* The buffer list consists of just one protection group described
* below:
* +-------------------------+
- * start of prot group --> | PDE_1 |
+ * start of prot group --> | PDE_5 |
+ * +-------------------------+
+ * | PDE_6 |
* +-------------------------+
* | Data BDE |
* +-------------------------+
@@ -1262,30 +1299,49 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
struct ulp_bde64 *bpl, int datasegcnt)
{
struct scatterlist *sgde = NULL; /* s/g data entry */
- struct lpfc_pde *pde1 = NULL;
+ struct lpfc_pde5 *pde5 = NULL;
+ struct lpfc_pde6 *pde6 = NULL;
dma_addr_t physaddr;
- int i = 0, num_bde = 0;
+ int i = 0, num_bde = 0, status;
int datadir = sc->sc_data_direction;
- int prof = LPFC_PROF_INVALID;
unsigned blksize;
uint32_t reftag;
uint16_t apptagmask, apptagval;
+ uint8_t txop, rxop;
- pde1 = (struct lpfc_pde *) bpl;
- prof = lpfc_sc_to_sli_prof(phba, sc);
-
- if (prof == LPFC_PROF_INVALID)
+ status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop);
+ if (status)
goto out;
- /* extract some info from the scsi command for PDE1*/
+ /* extract some info from the scsi command for pde*/
blksize = lpfc_cmd_blksize(sc);
lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
- /* setup PDE1 with what we have */
- lpfc_pde_set_bg_parms(pde1, LPFC_PDE1_DESCRIPTOR, prof, blksize,
- BG_EC_STOP_ERR);
- lpfc_pde_set_dif_parms(pde1, apptagmask, apptagval, reftag);
+ /* 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;
+ /* advance bpl and increment bde count */
+ num_bde++;
+ bpl++;
+ pde6 = (struct lpfc_pde6 *) bpl;
+
+ /* setup PDE6 with the rest of the info */
+ memset(pde6, 0, sizeof(struct lpfc_pde6));
+ bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR);
+ bf_set(pde6_optx, pde6, txop);
+ bf_set(pde6_oprx, pde6, rxop);
+ 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);
+
+ /* advance bpl and increment bde count */
num_bde++;
bpl++;
@@ -1320,15 +1376,17 @@ out:
* The buffer list for this type consists of one or more of the
* protection groups described below:
* +-------------------------+
- * start of first prot group --> | PDE_1 |
+ * start of first prot group --> | PDE_5 |
* +-------------------------+
- * | PDE_3 (Prot BDE) |
+ * | PDE_6 |
+ * +-------------------------+
+ * | PDE_7 (Prot BDE) |
* +-------------------------+
* | Data BDE |
* +-------------------------+
* |more Data BDE's ... (opt)|
* +-------------------------+
- * start of new prot group --> | PDE_1 |
+ * start of new prot group --> | PDE_5 |
* +-------------------------+
* | ... |
* +-------------------------+
@@ -1347,19 +1405,21 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
{
struct scatterlist *sgde = NULL; /* s/g data entry */
struct scatterlist *sgpe = NULL; /* s/g prot entry */
- struct lpfc_pde *pde1 = NULL;
+ struct lpfc_pde5 *pde5 = NULL;
+ struct lpfc_pde6 *pde6 = NULL;
struct ulp_bde64 *prot_bde = NULL;
dma_addr_t dataphysaddr, protphysaddr;
unsigned short curr_data = 0, curr_prot = 0;
unsigned int split_offset, protgroup_len;
unsigned int protgrp_blks, protgrp_bytes;
unsigned int remainder, subtotal;
- int prof = LPFC_PROF_INVALID;
+ int status;
int datadir = sc->sc_data_direction;
unsigned char pgdone = 0, alldone = 0;
unsigned blksize;
uint32_t reftag;
uint16_t apptagmask, apptagval;
+ uint8_t txop, rxop;
int num_bde = 0;
sgpe = scsi_prot_sglist(sc);
@@ -1372,31 +1432,47 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
return 0;
}
- prof = lpfc_sc_to_sli_prof(phba, sc);
- if (prof == LPFC_PROF_INVALID)
+ status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop);
+ if (status)
goto out;
- /* extract some info from the scsi command for PDE1*/
+ /* extract some info from the scsi command */
blksize = lpfc_cmd_blksize(sc);
lpfc_get_cmd_dif_parms(sc, &apptagmask, &apptagval, &reftag);
split_offset = 0;
do {
- /* setup the first PDE_1 */
- pde1 = (struct lpfc_pde *) bpl;
-
- lpfc_pde_set_bg_parms(pde1, LPFC_PDE1_DESCRIPTOR, prof, blksize,
- BG_EC_STOP_ERR);
- lpfc_pde_set_dif_parms(pde1, apptagmask, apptagval, reftag);
+ /* 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;
+ /* advance bpl and increment bde count */
+ num_bde++;
+ bpl++;
+ pde6 = (struct lpfc_pde6 *) bpl;
+
+ /* setup PDE6 with the rest of the info */
+ memset(pde6, 0, sizeof(struct lpfc_pde6));
+ bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR);
+ bf_set(pde6_optx, pde6, txop);
+ 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);
+
+ /* advance bpl and increment bde count */
num_bde++;
bpl++;
/* setup the first BDE that points to protection buffer */
prot_bde = (struct ulp_bde64 *) bpl;
protphysaddr = sg_dma_address(sgpe);
- prot_bde->addrLow = le32_to_cpu(putPaddrLow(protphysaddr));
- prot_bde->addrHigh = le32_to_cpu(putPaddrHigh(protphysaddr));
+ prot_bde->addrHigh = le32_to_cpu(putPaddrLow(protphysaddr));
+ prot_bde->addrLow = le32_to_cpu(putPaddrHigh(protphysaddr));
protgroup_len = sg_dma_len(sgpe);
@@ -1407,10 +1483,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
protgrp_bytes = protgrp_blks * blksize;
prot_bde->tus.f.bdeSize = protgroup_len;
- if (datadir == DMA_TO_DEVICE)
- prot_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
- else
- prot_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
+ prot_bde->tus.f.bdeFlags = LPFC_PDE7_DESCRIPTOR;
prot_bde->tus.w = le32_to_cpu(bpl->tus.w);
curr_prot++;
@@ -1462,6 +1535,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
/* Move to the next s/g segment if possible */
sgde = sg_next(sgde);
+
}
/* are we done ? */
@@ -1484,7 +1558,6 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
out:
-
return num_bde;
}
/*
@@ -1575,7 +1648,7 @@ lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba,
case LPFC_PG_TYPE_NO_DIF:
num_bde = lpfc_bg_setup_bpl(phba, scsi_cmnd, bpl,
datasegcnt);
- /* we shoud have 2 or more entries in buffer list */
+ /* we should have 2 or more entries in buffer list */
if (num_bde < 2)
goto err;
break;
@@ -1612,7 +1685,7 @@ lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba,
num_bde = lpfc_bg_setup_bpl_prot(phba, scsi_cmnd, bpl,
datasegcnt, protsegcnt);
- /* we shoud have 3 or more entries in buffer list */
+ /* we should have 3 or more entries in buffer list */
if (num_bde < 3)
goto err;
break;
@@ -1806,8 +1879,8 @@ out:
* field of @lpfc_cmd for device with SLI-4 interface spec.
*
* Return codes:
- * 1 - Error
- * 0 - Success
+ * 1 - Error
+ * 0 - Success
**/
static int
lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
@@ -1915,8 +1988,8 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
* lpfc_hba struct.
*
* Return codes:
- * 1 - Error
- * 0 - Success
+ * 1 - Error
+ * 0 - Success
**/
static inline int
lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
@@ -2079,8 +2152,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
if (resp_info & RSP_LEN_VALID) {
rsplen = be32_to_cpu(fcprsp->rspRspLen);
- if ((rsplen != 0 && rsplen != 4 && rsplen != 8) ||
- (fcprsp->rspInfo3 != RSP_NO_FAILURE)) {
+ if (rsplen != 0 && rsplen != 4 && rsplen != 8) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
"2719 Invalid response length: "
"tgt x%x lun x%x cmnd x%x rsplen x%x\n",
@@ -2090,6 +2162,17 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
host_status = DID_ERROR;
goto out;
}
+ if (fcprsp->rspInfo3 != RSP_NO_FAILURE) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
+ "2757 Protocol failure detected during "
+ "processing of FCP I/O op: "
+ "tgt x%x lun x%x cmnd x%x rspInfo3 x%x\n",
+ cmnd->device->id,
+ cmnd->device->lun, cmnd->cmnd[0],
+ fcprsp->rspInfo3);
+ host_status = DID_ERROR;
+ goto out;
+ }
}
if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
generated by cgit v1.2.3 (git 2.39.0) at 2025-03-08 07:00:20 +0300