qed*: Utilize FW 8.33.1.0

Advance the qed* drivers to use firmware 8.33.1.0:
Modify core driver (qed) to utilize the new FW and initialize the device
with it. This is the lion's share of the patch, and includes changes to FW
interface files, device initialization flows, FW interaction flows, and
debug collection flows.
Modify Ethernet driver (qede) to make use of new FW in fastpath.
Modify RoCE/iWARP driver (qedr) to make use of new FW in fastpath.
Modify FCoE driver (qedf) to make use of new FW in fastpath.
Modify iSCSI driver (qedi) to make use of new FW in fastpath.

Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Yuval Bason <Yuval.Bason@cavium.com>
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Manish Chopra <Manish.Chopra@cavium.com>
Signed-off-by: Chad Dupuis <Chad.Dupuis@cavium.com>
Signed-off-by: Manish Rangankar <Manish.Rangankar@cavium.com>
Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

5 files changed, 52 insertions, 31 deletions

diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c
index d62ed38e7849..092e8f9a6020 100644
--- a/drivers/scsi/qedi/qedi_fw.c
+++ b/drivers/scsi/qedi/qedi_fw.c
@@ -326,7 +326,7 @@ static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi,
 		  (qedi->bdq_prod_idx % qedi->rq_num_entries));
 
 	/* Obtain buffer address from rqe_opaque */
-	idx = cqe->rqe_opaque.lo;
+	idx = cqe->rqe_opaque;
 	if (idx > (QEDI_BDQ_NUM - 1)) {
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
 			  "wrong idx %d returned by FW, dropping the unsolicited pkt\n",
@@ -335,8 +335,7 @@ static void qedi_get_rq_bdq_buf(struct qedi_ctx *qedi,
 	}
 
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
-		  "rqe_opaque.lo [0x%p], rqe_opaque.hi [0x%p], idx [%d]\n",
-		  cqe->rqe_opaque.lo, cqe->rqe_opaque.hi, idx);
+		  "rqe_opaque [0x%p], idx [%d]\n", cqe->rqe_opaque, idx);
 
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
 		  "unsol_cqe_type = %d\n", cqe->unsol_cqe_type);
@@ -363,7 +362,7 @@ static void qedi_put_rq_bdq_buf(struct qedi_ctx *qedi,
 	struct scsi_bd *pbl;
 
 	/* Obtain buffer address from rqe_opaque */
-	idx = cqe->rqe_opaque.lo;
+	idx = cqe->rqe_opaque;
 	if (idx > (QEDI_BDQ_NUM - 1)) {
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
 			  "wrong idx %d returned by FW, dropping the unsolicited pkt\n",
@@ -378,8 +377,10 @@ static void qedi_put_rq_bdq_buf(struct qedi_ctx *qedi,
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
 		  "pbl [0x%p] pbl->address hi [0x%llx] lo [0x%llx] idx [%d]\n",
 		  pbl, pbl->address.hi, pbl->address.lo, idx);
-	pbl->opaque.hi = 0;
-	pbl->opaque.lo = cpu_to_le32(QEDI_U64_LO(idx));
+	pbl->opaque.iscsi_opaque.reserved_zero[0] = 0;
+	pbl->opaque.iscsi_opaque.reserved_zero[1] = 0;
+	pbl->opaque.iscsi_opaque.reserved_zero[2] = 0;
+	pbl->opaque.iscsi_opaque.opaque = cpu_to_le32(idx);
 
 	/* Increment producer to let f/w know we've handled the frame */
 	qedi->bdq_prod_idx += count;
diff --git a/drivers/scsi/qedi/qedi_fw_api.c b/drivers/scsi/qedi/qedi_fw_api.c
index f7a349cdadd0..a269da1a6c75 100644
--- a/drivers/scsi/qedi/qedi_fw_api.c
+++ b/drivers/scsi/qedi/qedi_fw_api.c
@@ -204,11 +204,14 @@ static void init_default_iscsi_task(struct iscsi_task_params *task_params,
 				    enum iscsi_task_type task_type)
 {
 	struct e4_iscsi_task_context *context;
-	u16 index;
 	u32 val;
+	u16 index;
+	u8 val_byte;
 
 	context = task_params->context;
+	val_byte = context->mstorm_ag_context.cdu_validation;
 	memset(context, 0, sizeof(*context));
+	context->mstorm_ag_context.cdu_validation = val_byte;
 
 	for (index = 0; index <
 	     ARRAY_SIZE(context->ystorm_st_context.pdu_hdr.data.data);
@@ -498,19 +501,33 @@ static int init_rw_iscsi_task(struct iscsi_task_params *task_params,
 
 	cxt = task_params->context;
 
-	val = cpu_to_le32(task_size);
-	cxt->ystorm_st_context.pdu_hdr.cmd.expected_transfer_length = val;
-	init_initiator_rw_cdb_ystorm_context(&cxt->ystorm_st_context,
-					     cmd_params);
-	val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.lo);
-	cxt->mstorm_st_context.sense_db.lo = val;
 
-	val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.hi);
-	cxt->mstorm_st_context.sense_db.hi = val;
+	if (task_type == ISCSI_TASK_TYPE_TARGET_READ) {
+		set_local_completion_context(cxt);
+	} else if (task_type == ISCSI_TASK_TYPE_TARGET_WRITE) {
+		val = cpu_to_le32(task_size +
+			   ((struct iscsi_r2t_hdr *)pdu_header)->buffer_offset);
+		cxt->ystorm_st_context.pdu_hdr.r2t.desired_data_trns_len = val;
+		cxt->mstorm_st_context.expected_itt =
+						   cpu_to_le32(pdu_header->itt);
+	} else {
+		val = cpu_to_le32(task_size);
+		cxt->ystorm_st_context.pdu_hdr.cmd.expected_transfer_length =
+									    val;
+		init_initiator_rw_cdb_ystorm_context(&cxt->ystorm_st_context,
+						     cmd_params);
+		val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.lo);
+		cxt->mstorm_st_context.sense_db.lo = val;
+
+		val = cpu_to_le32(cmd_params->sense_data_buffer_phys_addr.hi);
+		cxt->mstorm_st_context.sense_db.hi = val;
+	}
 
 	if (task_params->tx_io_size) {
 		init_dif_context_flags(&cxt->ystorm_st_context.state.dif_flags,
 				       dif_task_params);
+		init_dif_context_flags(&cxt->ustorm_st_context.dif_flags,
+				       dif_task_params);
 		init_scsi_sgl_context(&cxt->ystorm_st_context.state.sgl_params,
 				      &cxt->ystorm_st_context.state.data_desc,
 				      sgl_task_params);
diff --git a/drivers/scsi/qedi/qedi_gbl.h b/drivers/scsi/qedi/qedi_gbl.h
index 63d793f46064..f5b5a31999aa 100644
--- a/drivers/scsi/qedi/qedi_gbl.h
+++ b/drivers/scsi/qedi/qedi_gbl.h
@@ -52,11 +52,12 @@ void qedi_update_itt_map(struct qedi_ctx *qedi, u32 tid, u32 proto_itt,
 void qedi_get_proto_itt(struct qedi_ctx *qedi, u32 tid, u32 *proto_itt);
 void qedi_get_task_tid(struct qedi_ctx *qedi, u32 itt, int16_t *tid);
 void qedi_process_iscsi_error(struct qedi_endpoint *ep,
-			      struct async_data *data);
+			      struct iscsi_eqe_data *data);
 void qedi_start_conn_recovery(struct qedi_ctx *qedi,
 			      struct qedi_conn *qedi_conn);
 struct qedi_conn *qedi_get_conn_from_id(struct qedi_ctx *qedi, u32 iscsi_cid);
-void qedi_process_tcp_error(struct qedi_endpoint *ep, struct async_data *data);
+void qedi_process_tcp_error(struct qedi_endpoint *ep,
+			    struct iscsi_eqe_data *data);
 void qedi_mark_device_missing(struct iscsi_cls_session *cls_session);
 void qedi_mark_device_available(struct iscsi_cls_session *cls_session);
 void qedi_reset_host_mtu(struct qedi_ctx *qedi, u16 mtu);
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index a02b34ea5cab..7ec7f6e00fb8 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -539,7 +539,6 @@ static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep)
 	conn_info->ka_max_probe_cnt = DEF_KA_MAX_PROBE_COUNT;
 	conn_info->dup_ack_theshold = 3;
 	conn_info->rcv_wnd = 65535;
-	conn_info->cwnd = DEF_MAX_CWND;
 
 	conn_info->ss_thresh = 65535;
 	conn_info->srtt = 300;
@@ -557,8 +556,8 @@ static int qedi_iscsi_offload_conn(struct qedi_endpoint *qedi_ep)
 				       (qedi_ep->ip_type == TCP_IPV6),
 				       1, (qedi_ep->vlan_id != 0));
 
+	conn_info->cwnd = DEF_MAX_CWND * conn_info->mss;
 	conn_info->rcv_wnd_scale = 4;
-	conn_info->ts_ticks_per_second = 1000;
 	conn_info->da_timeout_value = 200;
 	conn_info->ack_frequency = 2;
 
@@ -1557,7 +1556,8 @@ char *qedi_get_iscsi_error(enum iscsi_error_types err_code)
 	return msg;
 }
 
-void qedi_process_iscsi_error(struct qedi_endpoint *ep, struct async_data *data)
+void qedi_process_iscsi_error(struct qedi_endpoint *ep,
+			      struct iscsi_eqe_data *data)
 {
 	struct qedi_conn *qedi_conn;
 	struct qedi_ctx *qedi;
@@ -1603,7 +1603,8 @@ void qedi_process_iscsi_error(struct qedi_endpoint *ep, struct async_data *data)
 		qedi_start_conn_recovery(qedi_conn->qedi, qedi_conn);
 }
 
-void qedi_process_tcp_error(struct qedi_endpoint *ep, struct async_data *data)
+void qedi_process_tcp_error(struct qedi_endpoint *ep,
+			    struct iscsi_eqe_data *data)
 {
 	struct qedi_conn *qedi_conn;
 
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index ce8d41c4705d..a0002232a83f 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -60,7 +60,7 @@ static int qedi_iscsi_event_cb(void *context, u8 fw_event_code, void *fw_handle)
 {
 	struct qedi_ctx *qedi;
 	struct qedi_endpoint *qedi_ep;
-	struct async_data *data;
+	struct iscsi_eqe_data *data;
 	int rval = 0;
 
 	if (!context || !fw_handle) {
@@ -72,18 +72,18 @@ static int qedi_iscsi_event_cb(void *context, u8 fw_event_code, void *fw_handle)
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
 		  "Recv Event %d fw_handle %p\n", fw_event_code, fw_handle);
 
-	data = (struct async_data *)fw_handle;
+	data = (struct iscsi_eqe_data *)fw_handle;
 	QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
-		  "cid=0x%x tid=0x%x err-code=0x%x fw-dbg-param=0x%x\n",
-		   data->cid, data->itid, data->error_code,
-		   data->fw_debug_param);
+		  "icid=0x%x conn_id=0x%x err-code=0x%x error-pdu-opcode-reserved=0x%x\n",
+		   data->icid, data->conn_id, data->error_code,
+		   data->error_pdu_opcode_reserved);
 
-	qedi_ep = qedi->ep_tbl[data->cid];
+	qedi_ep = qedi->ep_tbl[data->icid];
 
 	if (!qedi_ep) {
 		QEDI_WARN(&qedi->dbg_ctx,
 			  "Cannot process event, ep already disconnected, cid=0x%x\n",
-			   data->cid);
+			   data->icid);
 		WARN_ON(1);
 		return -ENODEV;
 	}
@@ -858,7 +858,6 @@ static int qedi_set_iscsi_pf_param(struct qedi_ctx *qedi)
 
 	qedi->pf_params.iscsi_pf_params.gl_rq_pi = QEDI_PROTO_CQ_PROD_IDX;
 	qedi->pf_params.iscsi_pf_params.gl_cmd_pi = 1;
-	qedi->pf_params.iscsi_pf_params.ooo_enable = 1;
 
 err_alloc_mem:
 	return rval;
@@ -1262,8 +1261,10 @@ static int qedi_alloc_bdq(struct qedi_ctx *qedi)
 		QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_CONN,
 			  "pbl [0x%p] pbl->address hi [0x%llx] lo [0x%llx], idx [%d]\n",
 			  pbl, pbl->address.hi, pbl->address.lo, i);
-		pbl->opaque.hi = 0;
-		pbl->opaque.lo = cpu_to_le32(QEDI_U64_LO(i));
+		pbl->opaque.iscsi_opaque.reserved_zero[0] = 0;
+		pbl->opaque.iscsi_opaque.reserved_zero[1] = 0;
+		pbl->opaque.iscsi_opaque.reserved_zero[2] = 0;
+		pbl->opaque.iscsi_opaque.opaque = cpu_to_le16(i);
 		pbl++;
 	}