diff options
| author | Eddie Wai <eddie.wai@broadcom.com> | 2010-08-13 18:33:27 +0200 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-09-05 19:43:55 +0200 |
| commit | c47b401230895edc94abe2c342811a2171375dbe (patch) | |
| tree | db19a7acf83253ff5dec77047bb64235a852141b /drivers/scsi/bnx2i | |
| parent | [SCSI] bnx2i: Fixed a protocol violation on nopout responses (diff) | |
| download | linux-c47b401230895edc94abe2c342811a2171375dbe.tar.xz linux-c47b401230895edc94abe2c342811a2171375dbe.zip | |
[SCSI] bxn2i: Added support for other TMFs besides ABORT_TASK
Expanded the TMF request routine to support other TMFs such as LUN
RESET, etc.
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com>
Reviewed-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/bnx2i')
| -rw-r--r-- | drivers/scsi/bnx2i/bnx2i_hwi.c | 58 |
1 files changed, 30 insertions, 28 deletions
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 015efb579384..90cef716b796 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -385,7 +385,6 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, struct bnx2i_cmd *bnx2i_cmd; struct bnx2i_tmf_request *tmfabort_wqe; u32 dword; - u32 scsi_lun[2]; bnx2i_cmd = (struct bnx2i_cmd *)mtask->dd_data; tmfabort_hdr = (struct iscsi_tm *)mtask->hdr; @@ -393,38 +392,41 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn, bnx2i_conn->ep->qp.sq_prod_qe; tmfabort_wqe->op_code = tmfabort_hdr->opcode; - tmfabort_wqe->op_attr = 0; - tmfabort_wqe->op_attr = - ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK; + tmfabort_wqe->op_attr = tmfabort_hdr->flags; tmfabort_wqe->itt = (mtask->itt | (ISCSI_TASK_TYPE_MPATH << 14)); tmfabort_wqe->reserved2 = 0; tmfabort_wqe->cmd_sn = be32_to_cpu(tmfabort_hdr->cmdsn); - ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt); - if (!ctask || !ctask->sc) - /* - * the iscsi layer must have completed the cmd while this - * was starting up. - * - * Note: In the case of a SCSI cmd timeout, the task's sc - * is still active; hence ctask->sc != 0 - * In this case, the task must be aborted - */ - return 0; - - ref_sc = ctask->sc; - - /* Retrieve LUN directly from the ref_sc */ - int_to_scsilun(ref_sc->device->lun, (struct scsi_lun *) scsi_lun); - tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]); - tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]); - - if (ref_sc->sc_data_direction == DMA_TO_DEVICE) - dword = (ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT); - else - dword = (ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT); - tmfabort_wqe->ref_itt = (dword | (tmfabort_hdr->rtt & ISCSI_ITT_MASK)); + switch (tmfabort_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) { + case ISCSI_TM_FUNC_ABORT_TASK: + case ISCSI_TM_FUNC_TASK_REASSIGN: + ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt); + if (!ctask || !ctask->sc) + /* + * the iscsi layer must have completed the cmd while + * was starting up. + * + * Note: In the case of a SCSI cmd timeout, the task's + * sc is still active; hence ctask->sc != 0 + * In this case, the task must be aborted + */ + return 0; + + ref_sc = ctask->sc; + if (ref_sc->sc_data_direction == DMA_TO_DEVICE) + dword = (ISCSI_TASK_TYPE_WRITE << + ISCSI_CMD_REQUEST_TYPE_SHIFT); + else + dword = (ISCSI_TASK_TYPE_READ << + ISCSI_CMD_REQUEST_TYPE_SHIFT); + tmfabort_wqe->ref_itt = (dword | + (tmfabort_hdr->rtt & ISCSI_ITT_MASK)); + break; + default: + tmfabort_wqe->ref_itt = RESERVED_ITT; + } + memcpy(tmfabort_wqe->lun, tmfabort_hdr->lun, sizeof(struct scsi_lun)); tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn); tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma; |