[SCSI] bnx2i: Task management ABORT TASK fixes
Due to typo error driver was failing TMF Abort Task request when
ctask->sc != NULL. Fixed code to fail TMF ABORT Task request only when
ctask->sc == NULL. Clear age component (19 most significant bits) of
reference ITT carried in iSCSI TMF PDU. Age component is internal to
initiator side and only lower bits of ITT as defined by ISCSI_ITT_MASK
is is sent on wire. Retrieve LUN directly from the ref_sc and update
SQ wqe as per chip HSI (Host Software Interface) specification
Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index bb69a14..1af578d 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -384,6 +384,7 @@
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;
@@ -394,27 +395,35 @@
tmfabort_wqe->op_attr = 0;
tmfabort_wqe->op_attr =
ISCSI_TMF_REQUEST_ALWAYS_ONE | ISCSI_TM_FUNC_ABORT_TASK;
- tmfabort_wqe->lun[0] = be32_to_cpu(tmfabort_hdr->lun[0]);
- tmfabort_wqe->lun[1] = be32_to_cpu(tmfabort_hdr->lun[1]);
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)
+ 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);
+ tmfabort_wqe->ref_itt = (dword | (tmfabort_hdr->rtt & ISCSI_ITT_MASK));
tmfabort_wqe->ref_cmd_sn = be32_to_cpu(tmfabort_hdr->refcmdsn);
tmfabort_wqe->bd_list_addr_lo = (u32) bnx2i_conn->hba->mp_bd_dma;