scsi: be2iscsi: Add V1 of EPFW cleanup IOCTL
mgmt_epfw_cleanup does not implement v1 of OPCODE_COMMON_ISCSI_CLEANUP
IOCTL for SkyHawk.
Replace use of MCCQ with BMBX for issuing the IOCTL.
Remove be_mcc_compl_poll which is no longer needed.
Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 771670c..6f3cd82 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -478,53 +478,6 @@
return 0;
}
-/*
- * be_mcc_compl_poll()- Wait for MBX completion
- * @phba: driver private structure
- *
- * Wait till no more pending mcc requests are present
- *
- * return
- * Success: 0
- * Failure: Non-Zero
- *
- **/
-int be_mcc_compl_poll(struct beiscsi_hba *phba, unsigned int tag)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- int i;
-
- if (!test_bit(MCC_TAG_STATE_RUNNING,
- &ctrl->ptag_state[tag].tag_state)) {
- beiscsi_log(phba, KERN_ERR,
- BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d: tag %u state not running\n", tag);
- return 0;
- }
- for (i = 0; i < mcc_timeout; i++) {
- if (beiscsi_hba_in_error(phba))
- return -EIO;
-
- beiscsi_process_mcc_cq(phba);
- /* after polling, wrb and tag need to be released */
- if (!test_bit(MCC_TAG_STATE_RUNNING,
- &ctrl->ptag_state[tag].tag_state)) {
- free_mcc_wrb(ctrl, tag);
- break;
- }
- udelay(100);
- }
-
- if (i < mcc_timeout)
- return 0;
-
- beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
- "BC_%d : FW Timed Out\n");
- set_bit(BEISCSI_HBA_FW_TIMEOUT, &phba->state);
- beiscsi_ue_detect(phba);
- return -EBUSY;
-}
-
void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag)
{
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
@@ -1645,3 +1598,52 @@
/* indicate driver is loading */
return beiscsi_cmd_special_wrb(&phba->ctrl, 1);
}
+
+/**
+ * beiscsi_cmd_iscsi_cleanup()- Inform FW to cleanup EP data structures.
+ * @phba: pointer to dev priv structure
+ * @ulp: ULP number.
+ *
+ * return
+ * Success: 0
+ * Failure: Non-Zero Value
+ **/
+int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp)
+{
+ struct be_ctrl_info *ctrl = &phba->ctrl;
+ struct iscsi_cleanup_req_v1 *req_v1;
+ struct iscsi_cleanup_req *req;
+ struct be_mcc_wrb *wrb;
+ int status;
+
+ mutex_lock(&ctrl->mbox_lock);
+ wrb = wrb_from_mbox(&ctrl->mbox_mem);
+ req = embedded_payload(wrb);
+ be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
+ be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI,
+ OPCODE_COMMON_ISCSI_CLEANUP, sizeof(*req));
+
+ /**
+ * TODO: Check with FW folks the chute value to be set.
+ * For now, use the ULP_MASK as the chute value.
+ */
+ if (is_chip_be2_be3r(phba)) {
+ req->chute = (1 << ulp);
+ req->hdr_ring_id = HWI_GET_DEF_HDRQ_ID(phba, ulp);
+ req->data_ring_id = HWI_GET_DEF_BUFQ_ID(phba, ulp);
+ } else {
+ req_v1 = (struct iscsi_cleanup_req_v1 *)req;
+ req_v1->hdr.version = 1;
+ req_v1->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba,
+ ulp));
+ req_v1->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba,
+ ulp));
+ }
+
+ status = be_mbox_notify(ctrl);
+ if (status)
+ beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
+ "BG_%d : %s failed %d\n", __func__, ulp);
+ mutex_unlock(&ctrl->mbox_lock);
+ return status;
+}