Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4ac9b226 authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

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



Signed-off-by: default avatarAlex Iannicelli <alex.iannicelli@emulex.com>
Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent d85296cf

drivers/scsi/lpfc/lpfc.h

+4 −0
Original line number Diff line number Diff line
@@ -840,6 +840,8 @@ struct lpfc_hba { 
	struct dentry *debug_dumpData;   /* BlockGuard BPL */

	struct dentry *debug_dumpDif;    /* BlockGuard BPL */

	struct dentry *debug_InjErrLBA;  /* LBA to inject errors at */

	struct dentry *debug_InjErrNPortID;  /* NPortID to inject errors at */

	struct dentry *debug_InjErrWWPN;  /* WWPN to inject errors at */

	struct dentry *debug_writeGuard; /* inject write guard_tag errors */

	struct dentry *debug_writeApp;   /* inject write app_tag errors */

	struct dentry *debug_writeRef;   /* inject write ref_tag errors */
@@ -854,6 +856,8 @@ struct lpfc_hba { 
	uint32_t lpfc_injerr_rgrd_cnt;

	uint32_t lpfc_injerr_rapp_cnt;

	uint32_t lpfc_injerr_rref_cnt;

	uint32_t lpfc_injerr_nportid;

	struct lpfc_name lpfc_injerr_wwpn;

	sector_t lpfc_injerr_lba;

#define LPFC_INJERR_LBA_OFF	(sector_t)(-1)

drivers/scsi/lpfc/lpfc_debugfs.c

+50 −8
Original line number Diff line number Diff line
@@ -1011,6 +1011,7 @@ lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, 
	struct dentry *dent = file->f_dentry;

	struct lpfc_hba *phba = file->private_data;

	char cbuf[32];

	uint64_t tmp = 0;

	int cnt = 0;



	if (dent == phba->debug_writeGuard)
@@ -1025,12 +1026,18 @@ lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, 
		cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt);

	else if (dent == phba->debug_readRef)

		cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt);

	else if (dent == phba->debug_InjErrLBA) {

		if (phba->lpfc_injerr_lba == (unsigned long)(-1))

	else if (dent == phba->debug_InjErrNPortID)

		cnt = snprintf(cbuf, 32, "0x%06x\n", phba->lpfc_injerr_nportid);

	else if (dent == phba->debug_InjErrWWPN) {

		memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name));

		tmp = cpu_to_be64(tmp);

		cnt = snprintf(cbuf, 32, "0x%016llx\n", tmp);

	} else if (dent == phba->debug_InjErrLBA) {

		if (phba->lpfc_injerr_lba == (sector_t)(-1))

			cnt = snprintf(cbuf, 32, "off\n");

		else

			cnt = snprintf(cbuf, 32, "0x%lx\n",

				 (unsigned long) phba->lpfc_injerr_lba);

			cnt = snprintf(cbuf, 32, "0x%llx\n",

				 (uint64_t) phba->lpfc_injerr_lba);

	} else

		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,

			 "0547 Unknown debugfs error injection entry\n");
@@ -1045,7 +1052,7 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, 
	struct dentry *dent = file->f_dentry;

	struct lpfc_hba *phba = file->private_data;

	char dstbuf[32];

	unsigned long tmp = 0;

	uint64_t tmp = 0;

	int size;



	memset(dstbuf, 0, 32);
@@ -1055,10 +1062,10 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, 


	if (dent == phba->debug_InjErrLBA) {

		if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f'))

			tmp = (unsigned long)(-1);

			tmp = (uint64_t)(-1);

	}



	if ((tmp == 0) && (kstrtoul(dstbuf, 0, &tmp)))

	if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp)))

		return 0;



	if (dent == phba->debug_writeGuard)
@@ -1075,7 +1082,12 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, 
		phba->lpfc_injerr_rref_cnt = (uint32_t)tmp;

	else if (dent == phba->debug_InjErrLBA)

		phba->lpfc_injerr_lba = (sector_t)tmp;

	else

	else if (dent == phba->debug_InjErrNPortID)

		phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID);

	else if (dent == phba->debug_InjErrWWPN) {

		tmp = cpu_to_be64(tmp);

		memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name));

	} else

		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,

			 "0548 Unknown debugfs error injection entry\n");
@@ -3957,6 +3969,28 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) 
		}

		phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF;



		snprintf(name, sizeof(name), "InjErrNPortID");

		phba->debug_InjErrNPortID =

			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,

			phba->hba_debugfs_root,

			phba, &lpfc_debugfs_op_dif_err);

		if (!phba->debug_InjErrNPortID) {

			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,

				"0809 Cannot create debugfs InjErrNPortID\n");

			goto debug_failed;

		}



		snprintf(name, sizeof(name), "InjErrWWPN");

		phba->debug_InjErrWWPN =

			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,

			phba->hba_debugfs_root,

			phba, &lpfc_debugfs_op_dif_err);

		if (!phba->debug_InjErrWWPN) {

			lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,

				"0810 Cannot create debugfs InjErrWWPN\n");

			goto debug_failed;

		}



		snprintf(name, sizeof(name), "writeGuardInjErr");

		phba->debug_writeGuard =

			debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR,
@@ -4329,6 +4363,14 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) 
			debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */

			phba->debug_InjErrLBA = NULL;

		}

		if (phba->debug_InjErrNPortID) {	 /* InjErrNPortID */

			debugfs_remove(phba->debug_InjErrNPortID);

			phba->debug_InjErrNPortID = NULL;

		}

		if (phba->debug_InjErrWWPN) {

			debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */

			phba->debug_InjErrWWPN = NULL;

		}

		if (phba->debug_writeGuard) {

			debugfs_remove(phba->debug_writeGuard); /* writeGuard */

			phba->debug_writeGuard = NULL;

drivers/scsi/lpfc/lpfc_scsi.c

+126 −52
Original line number Diff line number Diff line
@@ -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;
@@ -1342,11 +1345,35 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, 
				sizeof(struct scsi_dif_tuple);

			if (numblks < blockoff)

				blockoff = numblks;

		}

	}



	/* 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) {
@@ -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--;

					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--;

					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: