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authorJitendra Bhivare <jitendra.bhivare@broadcom.com>2016-08-19 15:20:17 +0530
committerMartin K. Petersen <martin.petersen@oracle.com>2016-08-23 22:42:44 -0400
commitf79929deb56e1b8053c36adf7ee8d34b39e673a8 (patch)
treed3f2533f35ed409f1d41bb006b3cfdfa8ffa52b2 /drivers
parent4d2ee1e688a26ee580b9f3e824afa278bbb178a5 (diff)
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.c96
-rw-r--r--drivers/scsi/be2iscsi/be_cmds.h15
-rw-r--r--drivers/scsi/be2iscsi/be_main.c27
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c42
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.h1
5 files changed, 73 insertions, 108 deletions
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 771670c0682b..6f3cd82c4295 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -478,53 +478,6 @@ int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
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 @@ int beiscsi_init_sliport(struct beiscsi_hba *phba)
/* 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;
+}
diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h
index 47b7197f17a2..cf4239987acf 100644
--- a/drivers/scsi/be2iscsi/be_cmds.h
+++ b/drivers/scsi/be2iscsi/be_cmds.h
@@ -768,6 +768,8 @@ int beiscsi_check_fw_rdy(struct beiscsi_hba *phba);
int beiscsi_init_sliport(struct beiscsi_hba *phba);
+int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num);
+
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
@@ -782,8 +784,6 @@ int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
struct be_queue_info *mccq,
struct be_queue_info *cq);
-int be_poll_mcc(struct be_ctrl_info *ctrl);
-
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
@@ -798,9 +798,7 @@ int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
unsigned int tag,
struct be_mcc_wrb **wrb,
struct be_dma_mem *mbx_cmd_mem);
-/*ISCSI Functuions */
struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
-int be_mcc_compl_poll(struct beiscsi_hba *phba, unsigned int tag);
void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
unsigned int *ref_tag);
@@ -1063,7 +1061,16 @@ struct iscsi_cleanup_req {
u16 chute;
u8 hdr_ring_id;
u8 data_ring_id;
+} __packed;
+struct iscsi_cleanup_req_v1 {
+ struct be_cmd_req_hdr hdr;
+ u16 chute;
+ u16 rsvd1;
+ u16 hdr_ring_id;
+ u16 rsvd2;
+ u16 data_ring_id;
+ u16 rsvd3;
} __packed;
struct eq_delay {
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index b4e6fc222d60..e7741072995a 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -3249,7 +3249,6 @@ beiscsi_create_def_hdr(struct beiscsi_hba *phba,
"BM_%d : iscsi hdr def pdu id for ULP : %d is %d\n",
ulp_num,
phwi_context->be_def_hdrq[ulp_num].id);
- hwi_post_async_buffers(phba, BEISCSI_DEFQ_HDR, ulp_num);
return 0;
}
@@ -3304,11 +3303,9 @@ beiscsi_create_def_data(struct beiscsi_hba *phba,
ulp_num,
phwi_context->be_def_dataq[ulp_num].id);
- hwi_post_async_buffers(phba, BEISCSI_DEFQ_DATA, ulp_num);
beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT,
"BM_%d : DEFAULT PDU DATA RING CREATED"
"on ULP : %d\n", ulp_num);
-
return 0;
}
@@ -3757,6 +3754,15 @@ static int hwi_init_port(struct beiscsi_hba *phba)
ulp_num);
goto error;
}
+ /**
+ * Now that the default PDU rings have been created,
+ * let EP know about it.
+ * Call beiscsi_cmd_iscsi_cleanup before posting?
+ */
+ hwi_post_async_buffers(phba, BEISCSI_DEFQ_HDR,
+ ulp_num);
+ hwi_post_async_buffers(phba, BEISCSI_DEFQ_DATA,
+ ulp_num);
}
}
@@ -4235,19 +4241,12 @@ static void hwi_purge_eq(struct beiscsi_hba *phba)
static void beiscsi_cleanup_port(struct beiscsi_hba *phba)
{
- int mgmt_status, ulp_num;
struct ulp_cid_info *ptr_cid_info = NULL;
+ int ulp_num;
- for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++) {
- if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported)) {
- mgmt_status = mgmt_epfw_cleanup(phba, ulp_num);
- if (mgmt_status)
- beiscsi_log(phba, KERN_WARNING,
- BEISCSI_LOG_INIT,
- "BM_%d : mgmt_epfw_cleanup FAILED"
- " for ULP_%d\n", ulp_num);
- }
- }
+ for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
+ if (test_bit(ulp_num, (void *)&phba->fw_config.ulp_supported))
+ beiscsi_cmd_iscsi_cleanup(phba, ulp_num);
hwi_purge_eq(phba);
hwi_cleanup_port(phba);
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 706a817b8313..a844299ea979 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -256,48 +256,6 @@ unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
return tag;
}
-/**
- * mgmt_epfw_cleanup()- Inform FW to cleanup data structures.
- * @phba: pointer to dev priv structure
- * @ulp_num: ULP number.
- *
- * return
- * Success: 0
- * Failure: Non-Zero Value
- **/
-int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num)
-{
- struct be_ctrl_info *ctrl = &phba->ctrl;
- struct be_mcc_wrb *wrb;
- struct iscsi_cleanup_req *req;
- unsigned int tag;
- int status;
-
- mutex_lock(&ctrl->mbox_lock);
- wrb = alloc_mcc_wrb(phba, &tag);
- if (!wrb) {
- mutex_unlock(&ctrl->mbox_lock);
- return -EBUSY;
- }
-
- 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));
-
- req->chute = (1 << ulp_num);
- req->hdr_ring_id = cpu_to_le16(HWI_GET_DEF_HDRQ_ID(phba, ulp_num));
- req->data_ring_id = cpu_to_le16(HWI_GET_DEF_BUFQ_ID(phba, ulp_num));
-
- be_mcc_notify(phba, tag);
- status = be_mcc_compl_poll(phba, tag);
- if (status)
- beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_INIT,
- "BG_%d : mgmt_epfw_cleanup , FAILED\n");
- mutex_unlock(&ctrl->mbox_lock);
- return status;
-}
-
unsigned int mgmt_invalidate_icds(struct beiscsi_hba *phba,
struct invalidate_command_table *inv_tbl,
unsigned int num_invalidate, unsigned int cid,
diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h
index f8d27783f207..dab128fb2ce3 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.h
+++ b/drivers/scsi/be2iscsi/be_mgmt.h
@@ -96,7 +96,6 @@ struct mcc_wrb {
struct mcc_wrb_payload payload;
};
-int mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute);
int mgmt_open_connection(struct beiscsi_hba *phba,
struct sockaddr *dst_addr,
struct beiscsi_endpoint *beiscsi_ep,