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Kods Problēmas Izmaiņu pieprasījumi Darbības Pakotnes Projekti Laidieni Vikivietne Aktivitāte

[SCSI] lpfc 8.3.30: Added more T10 DIF debugfs error injection

Pārlūkot izejas kodu 
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>
Šī revīzija ir iekļauta:
James Smart
2012-03-01 22:38:29 -05:00
revīziju iesūtīja James Bottomley
vecāks d85296cfdd
revīzija 4ac9b22625
3 mainīti faili ar 180 papildinājumiem un 60 dzēšanām
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178
drivers/scsi/lpfc/lpfc_scsi.c
Parādīt failu

@@ -1314,6 +1314,8 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
struct scatterlist *sgde; /* s/g data entry */
struct lpfc_scsi_buf *lpfc_cmd = NULL;
struct scsi_dif_tuple *src = NULL;
struct lpfc_nodelist *ndlp;
struct lpfc_rport_data *rdata;
uint32_t op = scsi_get_prot_op(sc);
uint32_t blksize;
uint32_t numblks;
@@ -1326,8 +1328,9 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
sgpe = scsi_prot_sglist(sc);
sgde = scsi_sglist(sc);
lba = scsi_get_lba(sc);
/* First check if we need to match the LBA */
if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) {
blksize = lpfc_cmd_blksize(sc);
numblks = (scsi_bufflen(sc) + blksize - 1) / blksize;
@@ -1342,12 +1345,36 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
sizeof(struct scsi_dif_tuple);
if (numblks < blockoff)
blockoff = numblks;
src = (struct scsi_dif_tuple *)sg_virt(sgpe);
src += blockoff;
lpfc_cmd = (struct lpfc_scsi_buf *)sc->host_scribble;
}
}
/* Next check if we need to match the remote NPortID or WWPN */
rdata = sc->device->hostdata;
if (rdata && rdata->pnode) {
ndlp = rdata->pnode;
/* Make sure we have the right NPortID if one is specified */
if (phba->lpfc_injerr_nportid &&
(phba->lpfc_injerr_nportid != ndlp->nlp_DID))
return 0;
/*
* Make sure we have the right WWPN if one is specified.
* wwn[0] should be a non-zero NAA in a good WWPN.
*/
if (phba->lpfc_injerr_wwpn.u.wwn[0] &&
(memcmp(&ndlp->nlp_portname, &phba->lpfc_injerr_wwpn,
sizeof(struct lpfc_name)) != 0))
return 0;
}
/* Setup a ptr to the protection data if the SCSI host provides it */
if (sgpe) {
src = (struct scsi_dif_tuple *)sg_virt(sgpe);
src += blockoff;
lpfc_cmd = (struct lpfc_scsi_buf *)sc->host_scribble;
}
/* Should we change the Reference Tag */
if (reftag) {
if (phba->lpfc_injerr_wref_cnt) {
@@ -1382,8 +1409,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
}
src->ref_tag = cpu_to_be32(0xDEADBEEF);
phba->lpfc_injerr_wref_cnt--;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wref_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_TGT | BG_ERR_CHECK;
break;
@@ -1398,7 +1430,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
/* DEADBEEF will be the reftag on the wire */
*reftag = 0xDEADBEEF;
phba->lpfc_injerr_wref_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wref_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_TGT | BG_ERR_CHECK;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1413,7 +1451,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
*/
*reftag = 0xDEADBEEF;
phba->lpfc_injerr_wref_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wref_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1425,11 +1469,6 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
if (phba->lpfc_injerr_rref_cnt) {
switch (op) {
case SCSI_PROT_READ_INSERT:
/*
* For READ_INSERT, it doesn't make sense
* to change the reftag.
*/
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_READ_PASS:
/*
@@ -1439,7 +1478,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
*/
*reftag = 0xDEADBEEF;
phba->lpfc_injerr_rref_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_rref_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1455,7 +1500,7 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
if (phba->lpfc_injerr_wapp_cnt) {
switch (op) {
case SCSI_PROT_WRITE_PASS:
if (blockoff && src) {
if (src) {
/*
* For WRITE_PASS, force the error
* to be sent on the wire. It should
@@ -1464,7 +1509,6 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
* inserted in middle of the IO.
*/
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
"9080 BLKGRD: Injecting apptag error: "
"write lba x%lx + x%x oldappTag x%x\n",
@@ -1485,8 +1529,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
}
src->app_tag = cpu_to_be16(0xDEAD);
phba->lpfc_injerr_wapp_cnt--;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wapp_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_TGT | BG_ERR_CHECK;
break;
}
@@ -1500,8 +1549,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
/* DEAD will be the apptag on the wire */
*apptag = 0xDEAD;
phba->lpfc_injerr_wapp_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
rc = BG_ERR_TGT;
if (phba->lpfc_injerr_wapp_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_TGT | BG_ERR_CHECK;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1516,7 +1570,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
*/
*apptag = 0xDEAD;
phba->lpfc_injerr_wapp_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wapp_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1528,11 +1588,6 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
if (phba->lpfc_injerr_rapp_cnt) {
switch (op) {
case SCSI_PROT_READ_INSERT:
/*
* For READ_INSERT, it doesn't make sense
* to change the apptag.
*/
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_READ_PASS:
/*
@@ -1542,7 +1597,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
*/
*apptag = 0xDEAD;
phba->lpfc_injerr_rapp_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_rapp_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT;
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
@@ -1569,7 +1630,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
* detected by the Target.
*/
phba->lpfc_injerr_wgrd_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wgrd_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc |= BG_ERR_TGT | BG_ERR_SWAP;
/* Signals the caller to swap CRC->CSUM */
@@ -1585,7 +1652,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
* being copied from SLI-Host to SLI-Port.
*/
phba->lpfc_injerr_wgrd_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_wgrd_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT | BG_ERR_SWAP;
/* Signals the caller to swap CRC->CSUM */
@@ -1599,11 +1672,6 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
if (phba->lpfc_injerr_rgrd_cnt) {
switch (op) {
case SCSI_PROT_READ_INSERT:
/*
* For READ_INSERT, it doesn't make sense
* to change the guard tag.
*/
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_READ_PASS:
/*
@@ -1612,7 +1680,13 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc,
* should force an IO error to the driver.
*/
phba->lpfc_injerr_rgrd_cnt--;
phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;
if (phba->lpfc_injerr_rgrd_cnt == 0) {
phba->lpfc_injerr_nportid = 0;
phba->lpfc_injerr_lba =
LPFC_INJERR_LBA_OFF;
memset(&phba->lpfc_injerr_wwpn,
0, sizeof(struct lpfc_name));
}
rc = BG_ERR_INIT | BG_ERR_SWAP;
/* Signals the caller to swap CRC->CSUM */
@@ -1650,20 +1724,20 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
switch (scsi_get_prot_op(sc)) {
case SCSI_PROT_READ_INSERT:
case SCSI_PROT_WRITE_STRIP:
*txop = BG_OP_IN_CSUM_OUT_NODIF;
*rxop = BG_OP_IN_NODIF_OUT_CSUM;
*txop = BG_OP_IN_CSUM_OUT_NODIF;
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
*txop = BG_OP_IN_NODIF_OUT_CRC;
*rxop = BG_OP_IN_CRC_OUT_NODIF;
*txop = BG_OP_IN_NODIF_OUT_CRC;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
*txop = BG_OP_IN_CSUM_OUT_CRC;
*rxop = BG_OP_IN_CRC_OUT_CSUM;
*txop = BG_OP_IN_CSUM_OUT_CRC;
break;
case SCSI_PROT_NORMAL:
@@ -1679,20 +1753,20 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
switch (scsi_get_prot_op(sc)) {
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
*txop = BG_OP_IN_NODIF_OUT_CRC;
*rxop = BG_OP_IN_CRC_OUT_NODIF;
*txop = BG_OP_IN_NODIF_OUT_CRC;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
*txop = BG_OP_IN_CRC_OUT_CRC;
*rxop = BG_OP_IN_CRC_OUT_CRC;
*txop = BG_OP_IN_CRC_OUT_CRC;
break;
case SCSI_PROT_READ_INSERT:
case SCSI_PROT_WRITE_STRIP:
*txop = BG_OP_IN_CRC_OUT_NODIF;
*rxop = BG_OP_IN_NODIF_OUT_CRC;
*txop = BG_OP_IN_CRC_OUT_NODIF;
break;
case SCSI_PROT_NORMAL:
@@ -1731,20 +1805,20 @@ lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
switch (scsi_get_prot_op(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;
*txop = BG_OP_IN_CRC_OUT_NODIF;
break;
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
*txop = BG_OP_IN_NODIF_OUT_CSUM;
*rxop = BG_OP_IN_CSUM_OUT_NODIF;
*txop = BG_OP_IN_NODIF_OUT_CSUM;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
*rxop = BG_OP_IN_CSUM_OUT_CRC;
*txop = BG_OP_IN_CRC_OUT_CSUM;
*rxop = BG_OP_IN_CRC_OUT_CRC;
break;
case SCSI_PROT_NORMAL:
@@ -1756,20 +1830,20 @@ lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc,
switch (scsi_get_prot_op(sc)) {
case SCSI_PROT_READ_STRIP:
case SCSI_PROT_WRITE_INSERT:
*txop = BG_OP_IN_NODIF_OUT_CSUM;
*rxop = BG_OP_IN_CSUM_OUT_NODIF;
*txop = BG_OP_IN_NODIF_OUT_CSUM;
break;
case SCSI_PROT_READ_PASS:
case SCSI_PROT_WRITE_PASS:
*rxop = BG_OP_IN_CSUM_OUT_CSUM;
*txop = BG_OP_IN_CSUM_OUT_CSUM;
*rxop = BG_OP_IN_CRC_OUT_CSUM;
break;
case SCSI_PROT_READ_INSERT:
case SCSI_PROT_WRITE_STRIP:
*txop = BG_OP_IN_CSUM_OUT_NODIF;
*rxop = BG_OP_IN_NODIF_OUT_CSUM;
*txop = BG_OP_IN_CSUM_OUT_NODIF;
break;
case SCSI_PROT_NORMAL:
@@ -1838,7 +1912,7 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1);
rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1);
if (rc) {
if (rc & BG_ERR_SWAP)
lpfc_bg_err_opcodes(phba, sc, &txop, &rxop);
@@ -1985,7 +2059,7 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1);
rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1);
if (rc) {
if (rc & BG_ERR_SWAP)
lpfc_bg_err_opcodes(phba, sc, &txop, &rxop);
@@ -2193,7 +2267,7 @@ lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc,
reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1);
rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1);
if (rc) {
if (rc & BG_ERR_SWAP)
lpfc_bg_err_opcodes(phba, sc, &txop, &rxop);
@@ -2333,7 +2407,7 @@ lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc,
reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */
#ifdef CONFIG_SCSI_LPFC_DEBUG_FS
rc = lpfc_bg_err_inject(phba, sc, &reftag, 0, 1);
rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1);
if (rc) {
if (rc & BG_ERR_SWAP)
lpfc_bg_err_opcodes(phba, sc, &txop, &rxop);
@@ -2809,7 +2883,7 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd,
/* No error was reported - problem in FW? */
cmd->result = ScsiResult(DID_ERROR, 0);
lpfc_printf_log(phba, KERN_ERR, LOG_BG,
"9057 BLKGRD: no errors reported!\n");
"9057 BLKGRD: Unknown error reported!\n");
}
out: