From 8012cc38cd1a98ec2c560b80c7d8b858955400e1 Mon Sep 17 00:00:00 2001 From: James Smart Date: Wed, 31 Oct 2012 14:44:49 -0400 Subject: [PATCH] [SCSI] lpfc 8.3.36: Update DIF support for passthru/strip/insert Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw4.h | 3 +++ drivers/scsi/lpfc/lpfc_scsi.c | 16 +++++++++++++++- drivers/scsi/lpfc/lpfc_sli.c | 16 ++++++++-------- drivers/scsi/lpfc/lpfc_sli.h | 4 +++- 4 files changed, 29 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 2cdeb5434fb7..a47cfbdd05f2 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -3219,6 +3219,9 @@ struct wqe_common { #define wqe_dif_SHIFT 0 #define wqe_dif_MASK 0x00000003 #define wqe_dif_WORD word7 +#define LPFC_WQE_DIF_PASSTHRU 1 +#define LPFC_WQE_DIF_STRIP 2 +#define LPFC_WQE_DIF_INSERT 3 #define wqe_ct_SHIFT 2 #define wqe_ct_MASK 0x00000003 #define wqe_ct_WORD word7 diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index fd2ff5a9e18c..60e5a177644c 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -3227,6 +3227,21 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, } } + switch (scsi_get_prot_op(scsi_cmnd)) { + case SCSI_PROT_WRITE_STRIP: + case SCSI_PROT_READ_STRIP: + lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_STRIP; + break; + case SCSI_PROT_WRITE_INSERT: + case SCSI_PROT_READ_INSERT: + lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_INSERT; + break; + case SCSI_PROT_WRITE_PASS: + case SCSI_PROT_READ_PASS: + lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF_PASS; + break; + } + fcpdl = lpfc_bg_scsi_adjust_dl(phba, lpfc_cmd); fcp_cmnd->fcpDl = be32_to_cpu(fcpdl); @@ -3236,7 +3251,6 @@ lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, * we need to set word 4 of IOCB here */ iocb_cmd->un.fcpi.fcpi_parm = fcpdl; - lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF; return 0; err: diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index d7f3313ef886..624eab370396 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8068,10 +8068,6 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); - if (iocbq->iocb_flag & LPFC_IO_DIF) { - iocbq->iocb_flag &= ~LPFC_IO_DIF; - bf_set(wqe_dif, &wqe->generic.wqe_com, 1); - } bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); break; case CMD_FCP_IREAD64_CR: @@ -8091,10 +8087,6 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); - if (iocbq->iocb_flag & LPFC_IO_DIF) { - iocbq->iocb_flag &= ~LPFC_IO_DIF; - bf_set(wqe_dif, &wqe->generic.wqe_com, 1); - } bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); break; case CMD_FCP_ICMND64_CR: @@ -8304,6 +8296,14 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, break; } + if (iocbq->iocb_flag & LPFC_IO_DIF_PASS) + bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_PASSTHRU); + else if (iocbq->iocb_flag & LPFC_IO_DIF_STRIP) + bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_STRIP); + else if (iocbq->iocb_flag & LPFC_IO_DIF_INSERT) + bf_set(wqe_dif, &wqe->generic.wqe_com, LPFC_WQE_DIF_INSERT); + iocbq->iocb_flag &= ~(LPFC_IO_DIF_PASS | LPFC_IO_DIF_STRIP | + LPFC_IO_DIF_INSERT); bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); wqe->generic.wqe_com.abort_tag = abort_tag; diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 2f48d000a3b4..9d2e0c6fe334 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -69,7 +69,9 @@ struct lpfc_iocbq { #define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */ #define DSS_SECURITY_OP 0x100 /* security IO */ #define LPFC_IO_ON_TXCMPLQ 0x200 /* The IO is still on the TXCMPLQ */ -#define LPFC_IO_DIF 0x400 /* T10 DIF IO */ +#define LPFC_IO_DIF_PASS 0x400 /* T10 DIF IO pass-thru prot */ +#define LPFC_IO_DIF_STRIP 0x800 /* T10 DIF IO strip prot */ +#define LPFC_IO_DIF_INSERT 0x1000 /* T10 DIF IO insert prot */ #define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */ #define LPFC_FIP_ELS_ID_SHIFT 14 -- 2.34.1