[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>
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@ -385,7 +385,6 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn,
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struct bnx2i_cmd *bnx2i_cmd;
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struct bnx2i_tmf_request *tmfabort_wqe;
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u32 dword;
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u32 scsi_lun[2];
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bnx2i_cmd = (struct bnx2i_cmd *)mtask->dd_data;
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tmfabort_hdr = (struct iscsi_tm *)mtask->hdr;
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@ -393,38 +392,41 @@ int bnx2i_send_iscsi_tmf(struct bnx2i_conn *bnx2i_conn,
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bnx2i_conn->ep->qp.sq_prod_qe;
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tmfabort_wqe->op_code = tmfabort_hdr->opcode;
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tmfabort_wqe->op_attr = 0;
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tmfabort_wqe->op_attr =
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ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK;
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tmfabort_wqe->op_attr = tmfabort_hdr->flags;
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tmfabort_wqe->itt = (mtask->itt | (ISCSI_TASK_TYPE_MPATH << 14));
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tmfabort_wqe->reserved2 = 0;
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tmfabort_wqe->cmd_sn = be32_to_cpu(tmfabort_hdr->cmdsn);
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ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt);
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if (!ctask || !ctask->sc)
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/*
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* the iscsi layer must have completed the cmd while this
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* was starting up.
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*
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* Note: In the case of a SCSI cmd timeout, the task's sc
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* is still active; hence ctask->sc != 0
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* In this case, the task must be aborted
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*/
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return 0;
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switch (tmfabort_hdr->flags & ISCSI_FLAG_TM_FUNC_MASK) {
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case ISCSI_TM_FUNC_ABORT_TASK:
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case ISCSI_TM_FUNC_TASK_REASSIGN:
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ctask = iscsi_itt_to_task(conn, tmfabort_hdr->rtt);
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if (!ctask || !ctask->sc)
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/*
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* the iscsi layer must have completed the cmd while
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* was starting up.
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*
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* Note: In the case of a SCSI cmd timeout, the task's
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* sc is still active; hence ctask->sc != 0
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* In this case, the task must be aborted
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*/
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return 0;
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ref_sc = ctask->sc;
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/* Retrieve LUN directly from the ref_sc */
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int_to_scsilun(ref_sc->device->lun, (struct scsi_lun *) scsi_lun);
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tmfabort_wqe->lun[0] = be32_to_cpu(scsi_lun[0]);
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tmfabort_wqe->lun[1] = be32_to_cpu(scsi_lun[1]);
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if (ref_sc->sc_data_direction == DMA_TO_DEVICE)
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dword = (ISCSI_TASK_TYPE_WRITE << ISCSI_CMD_REQUEST_TYPE_SHIFT);
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else
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dword = (ISCSI_TASK_TYPE_READ << ISCSI_CMD_REQUEST_TYPE_SHIFT);
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tmfabort_wqe->ref_itt = (dword | (tmfabort_hdr->rtt & ISCSI_ITT_MASK));
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ref_sc = ctask->sc;
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if (ref_sc->sc_data_direction == DMA_TO_DEVICE)
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dword = (ISCSI_TASK_TYPE_WRITE <<
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ISCSI_CMD_REQUEST_TYPE_SHIFT);
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else
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dword = (ISCSI_TASK_TYPE_READ <<
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ISCSI_CMD_REQUEST_TYPE_SHIFT);
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tmfabort_wqe->ref_itt = (dword |
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(tmfabort_hdr->rtt & ISCSI_ITT_MASK));
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break;
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default:
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tmfabort_wqe->ref_itt = RESERVED_ITT;
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}
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memcpy(tmfabort_wqe->lun, tmfabort_hdr->lun, sizeof(struct scsi_lun));
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tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn);
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tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma;
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