modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/usnic/usnic_ib_main.c
..
..
@@ -76,7 +76,7 @@
76
76
 static int usnic_ib_dump_vf_hdr(void *obj, char *buf, int buf_sz)
77
77
 {
78
78
 	struct usnic_ib_vf *vf = obj;
79
-	return scnprintf(buf, buf_sz, "PF: %s ", vf->pf->ib_dev.name);
79
+	return scnprintf(buf, buf_sz, "PF: %s ", dev_name(&vf->pf->ib_dev.dev));
80
80
 }
81
81
 /* End callback dump funcs */
82
82
 
..
..
@@ -89,9 +89,15 @@
89
89
 
90
90
 void usnic_ib_log_vf(struct usnic_ib_vf *vf)
91
91
 {
92
-	char buf[1000];
93
-	usnic_ib_dump_vf(vf, buf, sizeof(buf));
92
+	char *buf = kzalloc(1000, GFP_KERNEL);
93
+
94
+	if (!buf)
95
+		return;
96
+
97
+	usnic_ib_dump_vf(vf, buf, 1000);
94
98
 	usnic_dbg("%s\n", buf);
99
+
100
+	kfree(buf);
95
101
 }
96
102
 
97
103
 /* Start of netdev section */
..
..
@@ -114,7 +120,7 @@
114
120
 								IB_QPS_ERR,
115
121
 								NULL);
116
122
 				if (status) {
117
-					usnic_err("Failed to transistion qp grp %u from %s to %s\n",
123
+					usnic_err("Failed to transition qp grp %u from %s to %s\n",
118
124
 						qp_grp->grp_id,
119
125
 						usnic_ib_qp_grp_state_to_string
120
126
 						(cur_state),
..
..
@@ -138,7 +144,7 @@
138
144
 	netdev = us_ibdev->netdev;
139
145
 	switch (event) {
140
146
 	case NETDEV_REBOOT:
141
-		usnic_info("PF Reset on %s\n", us_ibdev->ib_dev.name);
147
+		usnic_info("PF Reset on %s\n", dev_name(&us_ibdev->ib_dev.dev));
142
148
 		usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
143
149
 		ib_event.event = IB_EVENT_PORT_ERR;
144
150
 		ib_event.device = &us_ibdev->ib_dev;
..
..
@@ -151,7 +157,8 @@
151
157
 		if (!us_ibdev->ufdev->link_up &&
152
158
 				netif_carrier_ok(netdev)) {
153
159
 			usnic_fwd_carrier_up(us_ibdev->ufdev);
154
-			usnic_info("Link UP on %s\n", us_ibdev->ib_dev.name);
160
+			usnic_info("Link UP on %s\n",
161
+				   dev_name(&us_ibdev->ib_dev.dev));
155
162
 			ib_event.event = IB_EVENT_PORT_ACTIVE;
156
163
 			ib_event.device = &us_ibdev->ib_dev;
157
164
 			ib_event.element.port_num = 1;
..
..
@@ -159,7 +166,8 @@
159
166
 		} else if (us_ibdev->ufdev->link_up &&
160
167
 				!netif_carrier_ok(netdev)) {
161
168
 			usnic_fwd_carrier_down(us_ibdev->ufdev);
162
-			usnic_info("Link DOWN on %s\n", us_ibdev->ib_dev.name);
169
+			usnic_info("Link DOWN on %s\n",
170
+				   dev_name(&us_ibdev->ib_dev.dev));
163
171
 			usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
164
172
 			ib_event.event = IB_EVENT_PORT_ERR;
165
173
 			ib_event.device = &us_ibdev->ib_dev;
..
..
@@ -168,17 +176,17 @@
168
176
 		} else {
169
177
 			usnic_dbg("Ignoring %s on %s\n",
170
178
 					netdev_cmd_to_name(event),
171
-					us_ibdev->ib_dev.name);
179
+					dev_name(&us_ibdev->ib_dev.dev));
172
180
 		}
173
181
 		break;
174
182
 	case NETDEV_CHANGEADDR:
175
183
 		if (!memcmp(us_ibdev->ufdev->mac, netdev->dev_addr,
176
184
 				sizeof(us_ibdev->ufdev->mac))) {
177
185
 			usnic_dbg("Ignoring addr change on %s\n",
178
-					us_ibdev->ib_dev.name);
186
+				  dev_name(&us_ibdev->ib_dev.dev));
179
187
 		} else {
180
188
 			usnic_info(" %s old mac: %pM new mac: %pM\n",
181
-					us_ibdev->ib_dev.name,
189
+					dev_name(&us_ibdev->ib_dev.dev),
182
190
 					us_ibdev->ufdev->mac,
183
191
 					netdev->dev_addr);
184
192
 			usnic_fwd_set_mac(us_ibdev->ufdev, netdev->dev_addr);
..
..
@@ -193,19 +201,19 @@
193
201
 	case NETDEV_CHANGEMTU:
194
202
 		if (us_ibdev->ufdev->mtu != netdev->mtu) {
195
203
 			usnic_info("MTU Change on %s old: %u new: %u\n",
196
-					us_ibdev->ib_dev.name,
204
+					dev_name(&us_ibdev->ib_dev.dev),
197
205
 					us_ibdev->ufdev->mtu, netdev->mtu);
198
206
 			usnic_fwd_set_mtu(us_ibdev->ufdev, netdev->mtu);
199
207
 			usnic_ib_qp_grp_modify_active_to_err(us_ibdev);
200
208
 		} else {
201
209
 			usnic_dbg("Ignoring MTU change on %s\n",
202
-					us_ibdev->ib_dev.name);
210
+				  dev_name(&us_ibdev->ib_dev.dev));
203
211
 		}
204
212
 		break;
205
213
 	default:
206
214
 		usnic_dbg("Ignoring event %s on %s",
207
215
 				netdev_cmd_to_name(event),
208
-				us_ibdev->ib_dev.name);
216
+				dev_name(&us_ibdev->ib_dev.dev));
209
217
 	}
210
218
 	mutex_unlock(&us_ibdev->usdev_lock);
211
219
 }
..
..
@@ -214,18 +222,17 @@
214
222
 					unsigned long event, void *ptr)
215
223
 {
216
224
 	struct usnic_ib_dev *us_ibdev;
225
+	struct ib_device *ibdev;
217
226
 
218
227
 	struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
219
228
 
220
-	mutex_lock(&usnic_ib_ibdev_list_lock);
221
-	list_for_each_entry(us_ibdev, &usnic_ib_ibdev_list, ib_dev_link) {
222
-		if (us_ibdev->netdev == netdev) {
223
-			usnic_ib_handle_usdev_event(us_ibdev, event);
224
-			break;
225
-		}
226
-	}
227
-	mutex_unlock(&usnic_ib_ibdev_list_lock);
229
+	ibdev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_USNIC);
230
+	if (!ibdev)
231
+		return NOTIFY_DONE;
228
232
 
233
+	us_ibdev = container_of(ibdev, struct usnic_ib_dev, ib_dev);
234
+	usnic_ib_handle_usdev_event(us_ibdev, event);
235
+	ib_device_put(ibdev);
229
236
 	return NOTIFY_DONE;
230
237
 }
231
238
 
..
..
@@ -267,7 +274,7 @@
267
274
 	default:
268
275
 		usnic_info("Ignoring event %s on %s",
269
276
 				netdev_cmd_to_name(event),
270
-				us_ibdev->ib_dev.name);
277
+				dev_name(&us_ibdev->ib_dev.dev));
271
278
 	}
272
279
 	mutex_unlock(&us_ibdev->usdev_lock);
273
280
 
..
..
@@ -280,16 +287,15 @@
280
287
 	struct usnic_ib_dev *us_ibdev;
281
288
 	struct in_ifaddr *ifa = ptr;
282
289
 	struct net_device *netdev = ifa->ifa_dev->dev;
290
+	struct ib_device *ibdev;
283
291
 
284
-	mutex_lock(&usnic_ib_ibdev_list_lock);
285
-	list_for_each_entry(us_ibdev, &usnic_ib_ibdev_list, ib_dev_link) {
286
-		if (us_ibdev->netdev == netdev) {
287
-			usnic_ib_handle_inet_event(us_ibdev, event, ptr);
288
-			break;
289
-		}
290
-	}
291
-	mutex_unlock(&usnic_ib_ibdev_list_lock);
292
+	ibdev = ib_device_get_by_netdev(netdev, RDMA_DRIVER_USNIC);
293
+	if (!ibdev)
294
+		return NOTIFY_DONE;
292
295
 
296
+	us_ibdev = container_of(ibdev, struct usnic_ib_dev, ib_dev);
297
+	usnic_ib_handle_inet_event(us_ibdev, event, ptr);
298
+	ib_device_put(ibdev);
293
299
 	return NOTIFY_DONE;
294
300
 }
295
301
 static struct notifier_block usnic_ib_inetaddr_notifier = {
..
..
@@ -309,7 +315,6 @@
309
315
 	if (err)
310
316
 		return err;
311
317
 
312
-	immutable->pkey_tbl_len = attr.pkey_tbl_len;
313
318
 	immutable->gid_tbl_len = attr.gid_tbl_len;
314
319
 
315
320
 	return 0;
..
..
@@ -328,6 +333,35 @@
328
333
 	snprintf(str, IB_FW_VERSION_NAME_MAX, "%s", info.fw_version);
329
334
 }
330
335
 
336
+static const struct ib_device_ops usnic_dev_ops = {
337
+	.owner = THIS_MODULE,
338
+	.driver_id = RDMA_DRIVER_USNIC,
339
+	.uverbs_abi_ver = USNIC_UVERBS_ABI_VERSION,
340
+
341
+	.alloc_pd = usnic_ib_alloc_pd,
342
+	.alloc_ucontext = usnic_ib_alloc_ucontext,
343
+	.create_cq = usnic_ib_create_cq,
344
+	.create_qp = usnic_ib_create_qp,
345
+	.dealloc_pd = usnic_ib_dealloc_pd,
346
+	.dealloc_ucontext = usnic_ib_dealloc_ucontext,
347
+	.dereg_mr = usnic_ib_dereg_mr,
348
+	.destroy_cq = usnic_ib_destroy_cq,
349
+	.destroy_qp = usnic_ib_destroy_qp,
350
+	.get_dev_fw_str = usnic_get_dev_fw_str,
351
+	.get_link_layer = usnic_ib_port_link_layer,
352
+	.get_port_immutable = usnic_port_immutable,
353
+	.mmap = usnic_ib_mmap,
354
+	.modify_qp = usnic_ib_modify_qp,
355
+	.query_device = usnic_ib_query_device,
356
+	.query_gid = usnic_ib_query_gid,
357
+	.query_port = usnic_ib_query_port,
358
+	.query_qp = usnic_ib_query_qp,
359
+	.reg_user_mr = usnic_ib_reg_mr,
360
+	INIT_RDMA_OBJ_SIZE(ib_pd, usnic_ib_pd, ibpd),
361
+	INIT_RDMA_OBJ_SIZE(ib_cq, usnic_ib_cq, ibcq),
362
+	INIT_RDMA_OBJ_SIZE(ib_ucontext, usnic_ib_ucontext, ibucontext),
363
+};
364
+
331
365
 /* Start of PF discovery section */
332
366
 static void *usnic_ib_device_add(struct pci_dev *dev)
333
367
 {
..
..
@@ -335,11 +369,12 @@
335
369
 	union ib_gid gid;
336
370
 	struct in_device *ind;
337
371
 	struct net_device *netdev;
372
+	int ret;
338
373
 
339
374
 	usnic_dbg("\n");
340
375
 	netdev = pci_get_drvdata(dev);
341
376
 
342
-	us_ibdev = (struct usnic_ib_dev *)ib_alloc_device(sizeof(*us_ibdev));
377
+	us_ibdev = ib_alloc_device(usnic_ib_dev, ib_dev);
343
378
 	if (!us_ibdev) {
344
379
 		usnic_err("Device %s context alloc failed\n",
345
380
 				netdev_name(pci_get_drvdata(dev)));
..
..
@@ -358,13 +393,10 @@
358
393
 
359
394
 	us_ibdev->pdev = dev;
360
395
 	us_ibdev->netdev = pci_get_drvdata(dev);
361
-	us_ibdev->ib_dev.owner = THIS_MODULE;
362
396
 	us_ibdev->ib_dev.node_type = RDMA_NODE_USNIC_UDP;
363
397
 	us_ibdev->ib_dev.phys_port_cnt = USNIC_IB_PORT_CNT;
364
398
 	us_ibdev->ib_dev.num_comp_vectors = USNIC_IB_NUM_COMP_VECTORS;
365
399
 	us_ibdev->ib_dev.dev.parent = &dev->dev;
366
-	us_ibdev->ib_dev.uverbs_abi_ver = USNIC_UVERBS_ABI_VERSION;
367
-	strlcpy(us_ibdev->ib_dev.name, "usnic_%d", IB_DEVICE_NAME_MAX);
368
400
 
369
401
 	us_ibdev->ib_dev.uverbs_cmd_mask =
370
402
 		(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
..
..
@@ -385,38 +417,16 @@
385
417
 		(1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
386
418
 		(1ull << IB_USER_VERBS_CMD_OPEN_QP);
387
419
 
388
-	us_ibdev->ib_dev.query_device = usnic_ib_query_device;
389
-	us_ibdev->ib_dev.query_port = usnic_ib_query_port;
390
-	us_ibdev->ib_dev.query_pkey = usnic_ib_query_pkey;
391
-	us_ibdev->ib_dev.query_gid = usnic_ib_query_gid;
392
-	us_ibdev->ib_dev.get_netdev = usnic_get_netdev;
393
-	us_ibdev->ib_dev.get_link_layer = usnic_ib_port_link_layer;
394
-	us_ibdev->ib_dev.alloc_pd = usnic_ib_alloc_pd;
395
-	us_ibdev->ib_dev.dealloc_pd = usnic_ib_dealloc_pd;
396
-	us_ibdev->ib_dev.create_qp = usnic_ib_create_qp;
397
-	us_ibdev->ib_dev.modify_qp = usnic_ib_modify_qp;
398
-	us_ibdev->ib_dev.query_qp = usnic_ib_query_qp;
399
-	us_ibdev->ib_dev.destroy_qp = usnic_ib_destroy_qp;
400
-	us_ibdev->ib_dev.create_cq = usnic_ib_create_cq;
401
-	us_ibdev->ib_dev.destroy_cq = usnic_ib_destroy_cq;
402
-	us_ibdev->ib_dev.reg_user_mr = usnic_ib_reg_mr;
403
-	us_ibdev->ib_dev.dereg_mr = usnic_ib_dereg_mr;
404
-	us_ibdev->ib_dev.alloc_ucontext = usnic_ib_alloc_ucontext;
405
-	us_ibdev->ib_dev.dealloc_ucontext = usnic_ib_dealloc_ucontext;
406
-	us_ibdev->ib_dev.mmap = usnic_ib_mmap;
407
-	us_ibdev->ib_dev.create_ah = usnic_ib_create_ah;
408
-	us_ibdev->ib_dev.destroy_ah = usnic_ib_destroy_ah;
409
-	us_ibdev->ib_dev.post_send = usnic_ib_post_send;
410
-	us_ibdev->ib_dev.post_recv = usnic_ib_post_recv;
411
-	us_ibdev->ib_dev.poll_cq = usnic_ib_poll_cq;
412
-	us_ibdev->ib_dev.req_notify_cq = usnic_ib_req_notify_cq;
413
-	us_ibdev->ib_dev.get_dma_mr = usnic_ib_get_dma_mr;
414
-	us_ibdev->ib_dev.get_port_immutable = usnic_port_immutable;
415
-	us_ibdev->ib_dev.get_dev_fw_str     = usnic_get_dev_fw_str;
420
+	ib_set_device_ops(&us_ibdev->ib_dev, &usnic_dev_ops);
416
421
 
422
+	rdma_set_device_sysfs_group(&us_ibdev->ib_dev, &usnic_attr_group);
417
423
 
418
-	us_ibdev->ib_dev.driver_id = RDMA_DRIVER_USNIC;
419
-	if (ib_register_device(&us_ibdev->ib_dev, NULL))
424
+	ret = ib_device_set_netdev(&us_ibdev->ib_dev, us_ibdev->netdev, 1);
425
+	if (ret)
426
+		goto err_fwd_dealloc;
427
+
428
+	dma_set_max_seg_size(&dev->dev, SZ_2G);
429
+	if (ib_register_device(&us_ibdev->ib_dev, "usnic_%d", &dev->dev))
420
430
 		goto err_fwd_dealloc;
421
431
 
422
432
 	usnic_fwd_set_mtu(us_ibdev->ufdev, us_ibdev->netdev->mtu);
..
..
@@ -424,11 +434,16 @@
424
434
 	if (netif_carrier_ok(us_ibdev->netdev))
425
435
 		usnic_fwd_carrier_up(us_ibdev->ufdev);
426
436
 
427
-	ind = in_dev_get(netdev);
428
-	if (ind->ifa_list)
429
-		usnic_fwd_add_ipaddr(us_ibdev->ufdev,
430
-				     ind->ifa_list->ifa_address);
431
-	in_dev_put(ind);
437
+	rcu_read_lock();
438
+	ind = __in_dev_get_rcu(netdev);
439
+	if (ind) {
440
+		const struct in_ifaddr *ifa;
441
+
442
+		ifa = rcu_dereference(ind->ifa_list);
443
+		if (ifa)
444
+			usnic_fwd_add_ipaddr(us_ibdev->ufdev, ifa->ifa_address);
445
+	}
446
+	rcu_read_unlock();
432
447
 
433
448
 	usnic_mac_ip_to_gid(us_ibdev->netdev->perm_addr,
434
449
 				us_ibdev->ufdev->inaddr, &gid.raw[0]);
..
..
@@ -437,9 +452,9 @@
437
452
 	kref_init(&us_ibdev->vf_cnt);
438
453
 
439
454
 	usnic_info("Added ibdev: %s netdev: %s with mac %pM Link: %u MTU: %u\n",
440
-			us_ibdev->ib_dev.name, netdev_name(us_ibdev->netdev),
441
-			us_ibdev->ufdev->mac, us_ibdev->ufdev->link_up,
442
-			us_ibdev->ufdev->mtu);
455
+		   dev_name(&us_ibdev->ib_dev.dev),
456
+		   netdev_name(us_ibdev->netdev), us_ibdev->ufdev->mac,
457
+		   us_ibdev->ufdev->link_up, us_ibdev->ufdev->mtu);
443
458
 	return us_ibdev;
444
459
 
445
460
 err_fwd_dealloc:
..
..
@@ -452,7 +467,7 @@
452
467
 
453
468
 static void usnic_ib_device_remove(struct usnic_ib_dev *us_ibdev)
454
469
 {
455
-	usnic_info("Unregistering %s\n", us_ibdev->ib_dev.name);
470
+	usnic_info("Unregistering %s\n", dev_name(&us_ibdev->ib_dev.dev));
456
471
 	usnic_ib_sysfs_unregister_usdev(us_ibdev);
457
472
 	usnic_fwd_dev_free(us_ibdev->ufdev);
458
473
 	ib_unregister_device(&us_ibdev->ib_dev);
..
..
@@ -471,15 +486,17 @@
471
486
 				&usnic_ib_ibdev_list, ib_dev_link) {
472
487
 		if (us_ibdev->pdev == dev) {
473
488
 			list_del(&us_ibdev->ib_dev_link);
474
-			usnic_ib_device_remove(us_ibdev);
475
489
 			found = true;
476
490
 			break;
477
491
 		}
478
492
 	}
479
493
 
480
-	WARN(!found, "Failed to remove PF %s\n", pci_name(dev));
481
494
 
482
495
 	mutex_unlock(&usnic_ib_ibdev_list_lock);
496
+	if (found)
497
+		usnic_ib_device_remove(us_ibdev);
498
+	else
499
+		WARN(1, "Failed to remove PF %s\n", pci_name(dev));
483
500
 }
484
501
 
485
502
 static struct usnic_ib_dev *usnic_ib_discover_pf(struct usnic_vnic *vnic)
..
..
@@ -591,7 +608,7 @@
591
608
 	mutex_unlock(&pf->usdev_lock);
592
609
 
593
610
 	usnic_info("Registering usnic VF %s into PF %s\n", pci_name(pdev),
594
-			pf->ib_dev.name);
611
+		   dev_name(&pf->ib_dev.dev));
595
612
 	usnic_ib_log_vf(vf);
596
613
 	return 0;
597
614
 
..
..
@@ -646,7 +663,7 @@
646
663
 
647
664
 	err = usnic_uiom_init(DRV_NAME);
648
665
 	if (err) {
649
-		usnic_err("Unable to initalize umem with err %d\n", err);
666
+		usnic_err("Unable to initialize umem with err %d\n", err);
650
667
 		return err;
651
668
 	}
652
669
 
..
..
@@ -685,7 +702,6 @@
685
702
 out_pci_unreg:
686
703
 	pci_unregister_driver(&usnic_ib_pci_driver);
687
704
 out_umem_fini:
688
-	usnic_uiom_fini();
689
705
 
690
706
 	return err;
691
707
 }
..
..
@@ -698,7 +714,6 @@
698
714
 	unregister_inetaddr_notifier(&usnic_ib_inetaddr_notifier);
699
715
 	unregister_netdevice_notifier(&usnic_ib_netdevice_notifier);
700
716
 	pci_unregister_driver(&usnic_ib_pci_driver);
701
-	usnic_uiom_fini();
702
717
 }
703
718
 
704
719
 MODULE_DESCRIPTION("Cisco VIC (usNIC) Verbs Driver");