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2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc 
 kernel/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
....@@ -1,33 +1,7 @@
1
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
12 /* QLogic qed NIC Driver
23  * Copyright (c) 2015-2017  QLogic Corporation
3
- *
4
- * This software is available to you under a choice of one of two
5
- * licenses.  You may choose to be licensed under the terms of the GNU
6
- * General Public License (GPL) Version 2, available from the file
7
- * COPYING in the main directory of this source tree, or the
8
- * OpenIB.org BSD license below:
9
- *
10
- *     Redistribution and use in source and binary forms, with or
11
- *     without modification, are permitted provided that the following
12
- *     conditions are met:
13
- *
14
- *      - Redistributions of source code must retain the above
15
- *        copyright notice, this list of conditions and the following
16
- *        disclaimer.
17
- *
18
- *      - Redistributions in binary form must reproduce the above
19
- *        copyright notice, this list of conditions and the following
20
- *        disclaimer in the documentation and /or other materials
21
- *        provided with the distribution.
22
- *
23
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30
- * SOFTWARE.
4
+ * Copyright (c) 2019-2020 Marvell International Ltd.
315  */
326 
337 #include <linux/types.h>
....@@ -143,10 +117,9 @@
143117 	u8 abortive_dsconnect;
144118 };
145119 
146
-static int
147
-qed_iscsi_async_event(struct qed_hwfn *p_hwfn,
148
-		      u8 fw_event_code,
149
-		      u16 echo, union event_ring_data *data, u8 fw_return_code)
120
+static int qed_iscsi_async_event(struct qed_hwfn *p_hwfn, u8 fw_event_code,
121
+				 __le16 echo, union event_ring_data *data,
122
+				 u8 fw_return_code)
150123 {
151124 	if (p_hwfn->p_iscsi_info->event_cb) {
152125 		struct qed_iscsi_info *p_iscsi = p_hwfn->p_iscsi_info;
....@@ -204,17 +177,14 @@
204177 		return -EINVAL;
205178 	}
206179 
207
-	SET_FIELD(p_init->hdr.flags,
208
-		  ISCSI_SLOW_PATH_HDR_LAYER_CODE, ISCSI_SLOW_PATH_LAYER_CODE);
209
-	p_init->hdr.op_code = ISCSI_RAMROD_CMD_ID_INIT_FUNC;
210
-
211180 	val = p_params->half_way_close_timeout;
212181 	p_init->half_way_close_timeout = cpu_to_le16(val);
213182 	p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring;
214183 	p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring;
215184 	p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring;
216
-	p_init->ll2_rx_queue_id = p_hwfn->hw_info.resc_start[QED_LL2_QUEUE] +
217
-				  p_params->ll2_ooo_queue_id;
185
+	p_init->ll2_rx_queue_id =
186
+	    p_hwfn->hw_info.resc_start[QED_LL2_RAM_QUEUE] +
187
+	    p_params->ll2_ooo_queue_id;
218188 
219189 	p_init->func_params.log_page_size = p_params->log_page_size;
220190 	val = p_params->num_tasks;
....@@ -300,6 +270,7 @@
300270 	dma_addr_t xhq_pbl_addr;
301271 	dma_addr_t uhq_pbl_addr;
302272 	u16 physical_q;
273
+	__le16 tmp;
303274 	int rc = 0;
304275 	u32 dval;
305276 	u16 wval;
....@@ -323,20 +294,15 @@
323294 
324295 	/* Transmission PQ is the first of the PF */
325296 	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD);
326
-	p_conn->physical_q0 = cpu_to_le16(physical_q);
297
+	p_conn->physical_q0 = physical_q;
327298 	p_ramrod->iscsi.physical_q0 = cpu_to_le16(physical_q);
328299 
329300 	/* iSCSI Pure-ACK PQ */
330301 	physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK);
331
-	p_conn->physical_q1 = cpu_to_le16(physical_q);
302
+	p_conn->physical_q1 = physical_q;
332303 	p_ramrod->iscsi.physical_q1 = cpu_to_le16(physical_q);
333304 
334
-	p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN;
335
-	SET_FIELD(p_ramrod->hdr.flags, ISCSI_SLOW_PATH_HDR_LAYER_CODE,
336
-		  p_conn->layer_code);
337
-
338305 	p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
339
-	p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
340306 
341307 	DMA_REGPAIR_LE(p_ramrod->iscsi.sq_pbl_addr, p_conn->sq_pbl_addr);
342308 
....@@ -359,14 +325,20 @@
359325 		p_tcp = &p_ramrod->tcp;
360326 
361327 		p = (u16 *)p_conn->local_mac;
362
-		p_tcp->local_mac_addr_hi = swab16(get_unaligned(p));
363
-		p_tcp->local_mac_addr_mid = swab16(get_unaligned(p + 1));
364
-		p_tcp->local_mac_addr_lo = swab16(get_unaligned(p + 2));
328
+		tmp = cpu_to_le16(get_unaligned_be16(p));
329
+		p_tcp->local_mac_addr_hi = tmp;
330
+		tmp = cpu_to_le16(get_unaligned_be16(p + 1));
331
+		p_tcp->local_mac_addr_mid = tmp;
332
+		tmp = cpu_to_le16(get_unaligned_be16(p + 2));
333
+		p_tcp->local_mac_addr_lo = tmp;
365334 
366335 		p = (u16 *)p_conn->remote_mac;
367
-		p_tcp->remote_mac_addr_hi = swab16(get_unaligned(p));
368
-		p_tcp->remote_mac_addr_mid = swab16(get_unaligned(p + 1));
369
-		p_tcp->remote_mac_addr_lo = swab16(get_unaligned(p + 2));
336
+		tmp = cpu_to_le16(get_unaligned_be16(p));
337
+		p_tcp->remote_mac_addr_hi = tmp;
338
+		tmp = cpu_to_le16(get_unaligned_be16(p + 1));
339
+		p_tcp->remote_mac_addr_mid = tmp;
340
+		tmp = cpu_to_le16(get_unaligned_be16(p + 2));
341
+		p_tcp->remote_mac_addr_lo = tmp;
370342 
371343 		p_tcp->vlan_id = cpu_to_le16(p_conn->vlan_id);
372344 
....@@ -425,14 +397,20 @@
425397 		    &((struct iscsi_spe_conn_offload_option2 *)p_ramrod)->tcp;
426398 
427399 		p = (u16 *)p_conn->local_mac;
428
-		p_tcp2->local_mac_addr_hi = swab16(get_unaligned(p));
429
-		p_tcp2->local_mac_addr_mid = swab16(get_unaligned(p + 1));
430
-		p_tcp2->local_mac_addr_lo = swab16(get_unaligned(p + 2));
400
+		tmp = cpu_to_le16(get_unaligned_be16(p));
401
+		p_tcp2->local_mac_addr_hi = tmp;
402
+		tmp = cpu_to_le16(get_unaligned_be16(p + 1));
403
+		p_tcp2->local_mac_addr_mid = tmp;
404
+		tmp = cpu_to_le16(get_unaligned_be16(p + 2));
405
+		p_tcp2->local_mac_addr_lo = tmp;
431406 
432407 		p = (u16 *)p_conn->remote_mac;
433
-		p_tcp2->remote_mac_addr_hi = swab16(get_unaligned(p));
434
-		p_tcp2->remote_mac_addr_mid = swab16(get_unaligned(p + 1));
435
-		p_tcp2->remote_mac_addr_lo = swab16(get_unaligned(p + 2));
408
+		tmp = cpu_to_le16(get_unaligned_be16(p));
409
+		p_tcp2->remote_mac_addr_hi = tmp;
410
+		tmp = cpu_to_le16(get_unaligned_be16(p + 1));
411
+		p_tcp2->remote_mac_addr_mid = tmp;
412
+		tmp = cpu_to_le16(get_unaligned_be16(p + 2));
413
+		p_tcp2->remote_mac_addr_lo = tmp;
436414 
437415 		p_tcp2->vlan_id = cpu_to_le16(p_conn->vlan_id);
438416 		p_tcp2->flags = cpu_to_le16(p_conn->tcp_flags);
....@@ -492,12 +470,8 @@
492470 		return rc;
493471 
494472 	p_ramrod = &p_ent->ramrod.iscsi_conn_update;
495
-	p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_UPDATE_CONN;
496
-	SET_FIELD(p_ramrod->hdr.flags,
497
-		  ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
498473 
499474 	p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
500
-	p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
501475 	p_ramrod->flags = p_conn->update_flag;
502476 	p_ramrod->max_seq_size = cpu_to_le32(p_conn->max_seq_size);
503477 	dval = p_conn->max_recv_pdu_length;
....@@ -537,12 +511,8 @@
537511 		return rc;
538512 
539513 	p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update;
540
-	p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_MAC_UPDATE;
541
-	SET_FIELD(p_ramrod->hdr.flags,
542
-		  ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
543514 
544515 	p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
545
-	p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
546516 	ucval = p_conn->remote_mac[1];
547517 	((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval;
548518 	ucval = p_conn->remote_mac[0];
....@@ -583,12 +553,8 @@
583553 		return rc;
584554 
585555 	p_ramrod = &p_ent->ramrod.iscsi_conn_terminate;
586
-	p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_TERMINATION_CONN;
587
-	SET_FIELD(p_ramrod->hdr.flags,
588
-		  ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
589556 
590557 	p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id);
591
-	p_ramrod->fw_cid = cpu_to_le32(p_conn->icid);
592558 	p_ramrod->abortive = p_conn->abortive_dsconnect;
593559 
594560 	DMA_REGPAIR_LE(p_ramrod->query_params_addr,
....@@ -603,7 +569,6 @@
603569 				      enum spq_mode comp_mode,
604570 				      struct qed_spq_comp_cb *p_comp_addr)
605571 {
606
-	struct iscsi_slow_path_hdr *p_ramrod = NULL;
607572 	struct qed_spq_entry *p_ent = NULL;
608573 	struct qed_sp_init_data init_data;
609574 	int rc = -EINVAL;
....@@ -621,11 +586,6 @@
621586 	if (rc)
622587 		return rc;
623588 
624
-	p_ramrod = &p_ent->ramrod.iscsi_empty;
625
-	p_ramrod->op_code = ISCSI_RAMROD_CMD_ID_CLEAR_SQ;
626
-	SET_FIELD(p_ramrod->flags,
627
-		  ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code);
628
-
629589 	return qed_spq_post(p_hwfn, p_ent, NULL);
630590 }
631591 
....@@ -633,7 +593,6 @@
633593 				  enum spq_mode comp_mode,
634594 				  struct qed_spq_comp_cb *p_comp_addr)
635595 {
636
-	struct iscsi_spe_func_dstry *p_ramrod = NULL;
637596 	struct qed_spq_entry *p_ent = NULL;
638597 	struct qed_sp_init_data init_data;
639598 	int rc = 0;
....@@ -650,9 +609,6 @@
650609 				 PROTOCOLID_ISCSI, &init_data);
651610 	if (rc)
652611 		return rc;
653
-
654
-	p_ramrod = &p_ent->ramrod.iscsi_destroy;
655
-	p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_DESTROY_FUNC;
656612 
657613 	rc = qed_spq_post(p_hwfn, p_ent, NULL);
658614 
....@@ -728,9 +684,13 @@
728684 static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn,
729685 					 struct qed_iscsi_conn **p_out_conn)
730686 {
731
-	u16 uhq_num_elements = 0, xhq_num_elements = 0, r2tq_num_elements = 0;
732687 	struct scsi_terminate_extra_params *p_q_cnts = NULL;
733688 	struct qed_iscsi_pf_params *p_params = NULL;
689
+	struct qed_chain_init_params params = {
690
+		.mode		= QED_CHAIN_MODE_PBL,
691
+		.intended_use	= QED_CHAIN_USE_TO_CONSUME_PRODUCE,
692
+		.cnt_type	= QED_CHAIN_CNT_TYPE_U16,
693
+	};
734694 	struct tcp_upload_params *p_tcp = NULL;
735695 	struct qed_iscsi_conn *p_conn = NULL;
736696 	int rc = 0;
....@@ -771,34 +731,25 @@
771731 		goto nomem_upload_param;
772732 	p_conn->tcp_upload_params_virt_addr = p_tcp;
773733 
774
-	r2tq_num_elements = p_params->num_r2tq_pages_in_ring *
775
-			    QED_CHAIN_PAGE_SIZE / 0x80;
776
-	rc = qed_chain_alloc(p_hwfn->cdev,
777
-			     QED_CHAIN_USE_TO_CONSUME_PRODUCE,
778
-			     QED_CHAIN_MODE_PBL,
779
-			     QED_CHAIN_CNT_TYPE_U16,
780
-			     r2tq_num_elements, 0x80, &p_conn->r2tq, NULL);
734
+	params.num_elems = p_params->num_r2tq_pages_in_ring *
735
+			   QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_wqe);
736
+	params.elem_size = sizeof(struct iscsi_wqe);
737
+
738
+	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->r2tq, &params);
781739 	if (rc)
782740 		goto nomem_r2tq;
783741 
784
-	uhq_num_elements = p_params->num_uhq_pages_in_ring *
742
+	params.num_elems = p_params->num_uhq_pages_in_ring *
785743 			   QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_uhqe);
786
-	rc = qed_chain_alloc(p_hwfn->cdev,
787
-			     QED_CHAIN_USE_TO_CONSUME_PRODUCE,
788
-			     QED_CHAIN_MODE_PBL,
789
-			     QED_CHAIN_CNT_TYPE_U16,
790
-			     uhq_num_elements,
791
-			     sizeof(struct iscsi_uhqe), &p_conn->uhq, NULL);
744
+	params.elem_size = sizeof(struct iscsi_uhqe);
745
+
746
+	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->uhq, &params);
792747 	if (rc)
793748 		goto nomem_uhq;
794749 
795
-	xhq_num_elements = uhq_num_elements;
796
-	rc = qed_chain_alloc(p_hwfn->cdev,
797
-			     QED_CHAIN_USE_TO_CONSUME_PRODUCE,
798
-			     QED_CHAIN_MODE_PBL,
799
-			     QED_CHAIN_CNT_TYPE_U16,
800
-			     xhq_num_elements,
801
-			     sizeof(struct iscsi_xhqe), &p_conn->xhq, NULL);
750
+	params.elem_size = sizeof(struct iscsi_xhqe);
751
+
752
+	rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->xhq, &params);
802753 	if (rc)
803754 		goto nomem;
804755 
....@@ -1082,7 +1033,7 @@
10821033 static int qed_fill_iscsi_dev_info(struct qed_dev *cdev,
10831034 				   struct qed_dev_iscsi_info *info)
10841035 {
1085
-	struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
1036
+	struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev);
10861037 
10871038 	int rc;
10881039 
....@@ -1141,8 +1092,8 @@
11411092 	}
11421093 
11431094 	/* Stop the iscsi */
1144
-	rc = qed_sp_iscsi_func_stop(QED_LEADING_HWFN(cdev),
1145
-				    QED_SPQ_MODE_EBLOCK, NULL);
1095
+	rc = qed_sp_iscsi_func_stop(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK,
1096
+				    NULL);
11461097 	cdev->flags &= ~QED_FLAG_STORAGE_STARTED;
11471098 
11481099 	return rc;
....@@ -1161,9 +1112,8 @@
11611112 		return 0;
11621113 	}
11631114 
1164
-	rc = qed_sp_iscsi_func_start(QED_LEADING_HWFN(cdev),
1165
-				     QED_SPQ_MODE_EBLOCK, NULL, event_context,
1166
-				     async_event_cb);
1115
+	rc = qed_sp_iscsi_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK,
1116
+				     NULL, event_context, async_event_cb);
11671117 	if (rc) {
11681118 		DP_NOTICE(cdev, "Failed to start iscsi\n");
11691119 		return rc;
....@@ -1182,8 +1132,7 @@
11821132 		return -ENOMEM;
11831133 	}
11841134 
1185
-	rc = qed_cxt_get_tid_mem_info(QED_LEADING_HWFN(cdev),
1186
-				      tid_info);
1135
+	rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info);
11871136 	if (rc) {
11881137 		DP_NOTICE(cdev, "Failed to gather task information\n");
11891138 		qed_iscsi_stop(cdev);
....@@ -1215,7 +1164,7 @@
12151164 		return -ENOMEM;
12161165 
12171166 	/* Acquire the connection */
1218
-	rc = qed_iscsi_acquire_connection(QED_LEADING_HWFN(cdev), NULL,
1167
+	rc = qed_iscsi_acquire_connection(QED_AFFIN_HWFN(cdev), NULL,
12191168 					  &hash_con->con);
12201169 	if (rc) {
12211170 		DP_NOTICE(cdev, "Failed to acquire Connection\n");
....@@ -1229,7 +1178,7 @@
12291178 	hash_add(cdev->connections, &hash_con->node, *handle);
12301179 
12311180 	if (p_doorbell)
1232
-		*p_doorbell = qed_iscsi_get_db_addr(QED_LEADING_HWFN(cdev),
1181
+		*p_doorbell = qed_iscsi_get_db_addr(QED_AFFIN_HWFN(cdev),
12331182 						    *handle);
12341183 
12351184 	return 0;
....@@ -1247,7 +1196,7 @@
12471196 	}
12481197 
12491198 	hlist_del(&hash_con->node);
1250
-	qed_iscsi_release_connection(QED_LEADING_HWFN(cdev), hash_con->con);
1199
+	qed_iscsi_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con);
12511200 	kfree(hash_con);
12521201 
12531202 	return 0;
....@@ -1324,7 +1273,7 @@
13241273 	/* Set default values on other connection fields */
13251274 	con->offl_flags = 0x1;
13261275 
1327
-	return qed_sp_iscsi_conn_offload(QED_LEADING_HWFN(cdev), con,
1276
+	return qed_sp_iscsi_conn_offload(QED_AFFIN_HWFN(cdev), con,
13281277 					 QED_SPQ_MODE_EBLOCK, NULL);
13291278 }
13301279 
....@@ -1351,7 +1300,7 @@
13511300 	con->first_seq_length = conn_info->first_seq_length;
13521301 	con->exp_stat_sn = conn_info->exp_stat_sn;
13531302 
1354
-	return qed_sp_iscsi_conn_update(QED_LEADING_HWFN(cdev), con,
1303
+	return qed_sp_iscsi_conn_update(QED_AFFIN_HWFN(cdev), con,
13551304 					QED_SPQ_MODE_EBLOCK, NULL);
13561305 }
13571306 
....@@ -1366,8 +1315,7 @@
13661315 		return -EINVAL;
13671316 	}
13681317 
1369
-	return qed_sp_iscsi_conn_clear_sq(QED_LEADING_HWFN(cdev),
1370
-					  hash_con->con,
1318
+	return qed_sp_iscsi_conn_clear_sq(QED_AFFIN_HWFN(cdev), hash_con->con,
13711319 					  QED_SPQ_MODE_EBLOCK, NULL);
13721320 }
13731321 
....@@ -1385,14 +1333,13 @@
13851333 
13861334 	hash_con->con->abortive_dsconnect = abrt_conn;
13871335 
1388
-	return qed_sp_iscsi_conn_terminate(QED_LEADING_HWFN(cdev),
1389
-					   hash_con->con,
1336
+	return qed_sp_iscsi_conn_terminate(QED_AFFIN_HWFN(cdev), hash_con->con,
13901337 					   QED_SPQ_MODE_EBLOCK, NULL);
13911338 }
13921339 
13931340 static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats)
13941341 {
1395
-	return qed_iscsi_get_stats(QED_LEADING_HWFN(cdev), stats);
1342
+	return qed_iscsi_get_stats(QED_AFFIN_HWFN(cdev), stats);
13961343 }
13971344 
13981345 static int qed_iscsi_change_mac(struct qed_dev *cdev,
....@@ -1407,8 +1354,7 @@
14071354 		return -EINVAL;
14081355 	}
14091356 
1410
-	return qed_sp_iscsi_mac_update(QED_LEADING_HWFN(cdev),
1411
-				       hash_con->con,
1357
+	return qed_sp_iscsi_mac_update(QED_AFFIN_HWFN(cdev), hash_con->con,
14121358 				       QED_SPQ_MODE_EBLOCK, NULL);
14131359 }
14141360