diff options
author | Arun Easi <arun.easi@qlogic.com> | 2012-08-22 14:21:31 -0400 |
---|---|---|
committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 12:10:54 +0400 |
commit | 9e522cd8f3dd7d19b644fc9cfc372bebde9f0053 (patch) | |
tree | cf4b8e44ce34c2f206bb3d07b3c75f8959f2f471 /drivers/scsi/qla2xxx/qla_iocb.c | |
parent | cb860bbd6b4b12cb56640fefceeaffb526eb7ac5 (diff) |
[SCSI] qla2xxx: T10 DIF - ISP83xx changes.
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_iocb.c')
-rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 59 |
1 files changed, 16 insertions, 43 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index f58b2b23fb8..03b75263283 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -147,13 +147,6 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) struct scsi_cmnd *cmd = GET_CMD_SP(sp); uint8_t guard = scsi_host_get_guard(cmd->device->host); - /* We only support T10 DIF right now */ - if (guard != SHOST_DIX_GUARD_CRC) { - ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3007, - "Unsupported guard: %d for cmd=%p.\n", guard, cmd); - return 0; - } - /* We always use DIFF Bundling for best performance */ *fw_prot_opts = 0; @@ -172,10 +165,11 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) *fw_prot_opts |= PO_MODE_DIF_REMOVE; break; case SCSI_PROT_READ_PASS: - *fw_prot_opts |= PO_MODE_DIF_PASS; - break; case SCSI_PROT_WRITE_PASS: - *fw_prot_opts |= PO_MODE_DIF_PASS; + if (guard & SHOST_DIX_GUARD_IP) + *fw_prot_opts |= PO_MODE_DIF_TCP_CKSUM; + else + *fw_prot_opts |= PO_MODE_DIF_PASS; break; default: /* Normal Request */ *fw_prot_opts |= PO_MODE_DIF_PASS; @@ -821,7 +815,6 @@ qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { struct scsi_cmnd *cmd = GET_CMD_SP(sp); - scsi_qla_host_t *vha = shost_priv(cmd->device->host); switch (scsi_get_prot_type(cmd)) { case SCSI_PROT_DIF_TYPE0: @@ -891,12 +884,6 @@ qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, pkt->ref_tag_mask[3] = 0xff; break; } - - ql_dbg(ql_dbg_io, vha, 0x3009, - "Setting protection Tags: (BIG) ref tag = 0x%x, app tag = 0x%x, " - "prot SG count %d, cmd lba 0x%x, prot_type=%u cmd=%p.\n", - pkt->ref_tag, pkt->app_tag, protcnt, (int)scsi_get_lba(cmd), - scsi_get_prot_type(cmd), cmd); } struct qla2_sgx { @@ -1068,9 +1055,6 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, int i; uint16_t used_dsds = tot_dsds; struct scsi_cmnd *cmd = GET_CMD_SP(sp); - scsi_qla_host_t *vha = shost_priv(cmd->device->host); - - uint8_t *cp; scsi_for_each_sg(cmd, sg, tot_dsds, i) { dma_addr_t sle_dma; @@ -1113,19 +1097,12 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, cur_dsd = (uint32_t *)next_dsd; } sle_dma = sg_dma_address(sg); - ql_dbg(ql_dbg_io, vha, 0x300a, - "sg entry %d - addr=0x%x 0x%x, " "len=%d for cmd=%p.\n", - i, LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg), cmd); + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); avail_dsds--; - if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { - cp = page_address(sg_page(sg)) + sg->offset; - ql_dbg(ql_dbg_io, vha, 0x300b, - "User data buffer=%p for cmd=%p.\n", cp, cmd); - } } /* Null termination */ *cur_dsd++ = 0; @@ -1148,8 +1125,6 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, struct scsi_cmnd *cmd; uint32_t *cur_dsd = dsd; uint16_t used_dsds = tot_dsds; - scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); - uint8_t *cp; cmd = GET_CMD_SP(sp); scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) { @@ -1193,23 +1168,11 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, cur_dsd = (uint32_t *)next_dsd; } sle_dma = sg_dma_address(sg); - if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { - ql_dbg(ql_dbg_io, vha, 0x3027, - "%s(): %p, sg_entry %d - " - "addr=0x%x0x%x, len=%d.\n", - __func__, cur_dsd, i, - LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)); - } + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); - if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { - cp = page_address(sg_page(sg)) + sg->offset; - ql_dbg(ql_dbg_io, vha, 0x3028, - "%s(): Protection Data buffer = %p.\n", __func__, - cp); - } avail_dsds--; } /* Null termination */ @@ -1386,6 +1349,16 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, if (!qla2x00_hba_err_chk_enabled(sp)) fw_prot_opts |= 0x10; /* Disable Guard tag checking */ + /* HBA error checking enabled */ + else if (IS_PI_UNINIT_CAPABLE(ha)) { + if ((scsi_get_prot_type(GET_CMD_SP(sp)) == SCSI_PROT_DIF_TYPE1) + || (scsi_get_prot_type(GET_CMD_SP(sp)) == + SCSI_PROT_DIF_TYPE2)) + fw_prot_opts |= BIT_10; + else if (scsi_get_prot_type(GET_CMD_SP(sp)) == + SCSI_PROT_DIF_TYPE3) + fw_prot_opts |= BIT_11; + } if (!bundling) { cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; |