modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/infiniband/hw/hfi1/file_ops.c
..
..
@@ -1,5 +1,6 @@
1
1
 /*
2
- * Copyright(c) 2015-2017 Intel Corporation.
2
+ * Copyright(c) 2020 Cornelis Networks, Inc.
3
+ * Copyright(c) 2015-2020 Intel Corporation.
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4
  *
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5
  * This file is provided under a dual BSD/GPLv2 license.  When using or
5
6
  * redistributing this file, you may do so under either license.
..
..
@@ -206,10 +207,7 @@
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 	spin_lock_init(&fd->tid_lock);
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208
 	spin_lock_init(&fd->invalid_lock);
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 	fd->rec_cpu_num = -1; /* no cpu affinity by default */
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-	fd->mm = current->mm;
210
-	mmgrab(fd->mm);
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210
 	fd->dd = dd;
212
-	kobject_get(&fd->dd->kobj);
213
211
 	fp->private_data = fd;
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 	return 0;
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213
 nomem:
..
..
@@ -308,6 +306,8 @@
308
306
 	unsigned long dim = from->nr_segs;
309
307
 	int idx;
310
308
 
309
+	if (!HFI1_CAP_IS_KSET(SDMA))
310
+		return -EINVAL;
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311
 	idx = srcu_read_lock(&fd->pq_srcu);
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312
 	pq = srcu_dereference(fd->pq, &fd->pq_srcu);
313
313
 	if (!cq || !pq) {
..
..
@@ -516,12 +516,12 @@
516
516
 			ret = -EINVAL;
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517
 			goto done;
518
518
 		}
519
-		if ((flags & VM_WRITE) || !uctxt->rcvhdrtail_kvaddr) {
519
+		if ((flags & VM_WRITE) || !hfi1_rcvhdrtail_kvaddr(uctxt)) {
520
520
 			ret = -EPERM;
521
521
 			goto done;
522
522
 		}
523
523
 		memlen = PAGE_SIZE;
524
-		memvirt = (void *)uctxt->rcvhdrtail_kvaddr;
524
+		memvirt = (void *)hfi1_rcvhdrtail_kvaddr(uctxt);
525
525
 		flags &= ~VM_MAYWRITE;
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526
 		break;
527
527
 	case SUBCTXT_UREGS:
..
..
@@ -692,7 +692,8 @@
692
692
 		     HFI1_RCVCTRL_TAILUPD_DIS |
693
693
 		     HFI1_RCVCTRL_ONE_PKT_EGR_DIS |
694
694
 		     HFI1_RCVCTRL_NO_RHQ_DROP_DIS |
695
-		     HFI1_RCVCTRL_NO_EGR_DROP_DIS, uctxt);
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+		     HFI1_RCVCTRL_NO_EGR_DROP_DIS |
696
+		     HFI1_RCVCTRL_URGENT_DIS, uctxt);
696
697
 	/* Clear the context's J_KEY */
697
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 	hfi1_clear_ctxt_jkey(dd, uctxt);
698
699
 	/*
..
..
@@ -711,8 +712,6 @@
711
712
 
712
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 	deallocate_ctxt(uctxt);
713
714
 done:
714
-	mmdrop(fdata->mm);
715
-	kobject_put(&dd->kobj);
716
715
 
717
716
 	if (atomic_dec_and_test(&dd->user_refcount))
718
717
 		complete(&dd->user_comp);
..
..
@@ -1101,13 +1100,14 @@
1101
1100
 	 * don't have to wait to be sure the DMA update has happened
1102
1101
 	 * (chip resets head/tail to 0 on transition to enable).
1103
1102
 	 */
1104
-	if (uctxt->rcvhdrtail_kvaddr)
1103
+	if (hfi1_rcvhdrtail_kvaddr(uctxt))
1105
1104
 		clear_rcvhdrtail(uctxt);
1106
1105
 
1107
1106
 	/* Setup J_KEY before enabling the context */
1108
1107
 	hfi1_set_ctxt_jkey(uctxt->dd, uctxt, uctxt->jkey);
1109
1108
 
1110
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 	rcvctrl_ops = HFI1_RCVCTRL_CTXT_ENB;
1110
+	rcvctrl_ops |= HFI1_RCVCTRL_URGENT_ENB;
1111
1111
 	if (HFI1_CAP_UGET_MASK(uctxt->flags, HDRSUPP))
1112
1112
 		rcvctrl_ops |= HFI1_RCVCTRL_TIDFLOW_ENB;
1113
1113
 	/*
..
..
@@ -1148,7 +1148,7 @@
1148
1148
 			HFI1_CAP_UGET_MASK(uctxt->flags, MASK) |
1149
1149
 			HFI1_CAP_KGET_MASK(uctxt->flags, K2U);
1150
1150
 	/* adjust flag if this fd is not able to cache */
1151
-	if (!fd->handler)
1151
+	if (!fd->use_mn)
1152
1152
 		cinfo.runtime_flags |= HFI1_CAP_TID_UNMAP; /* no caching */
1153
1153
 
1154
1154
 	cinfo.num_active = hfi1_count_active_units();
..
..
@@ -1164,8 +1164,8 @@
1164
1164
 	cinfo.send_ctxt = uctxt->sc->hw_context;
1165
1165
 
1166
1166
 	cinfo.egrtids = uctxt->egrbufs.alloced;
1167
-	cinfo.rcvhdrq_cnt = uctxt->rcvhdrq_cnt;
1168
-	cinfo.rcvhdrq_entsize = uctxt->rcvhdrqentsize << 2;
1167
+	cinfo.rcvhdrq_cnt = get_hdrq_cnt(uctxt);
1168
+	cinfo.rcvhdrq_entsize = get_hdrqentsize(uctxt) << 2;
1169
1169
 	cinfo.sdma_ring_size = fd->cq->nentries;
1170
1170
 	cinfo.rcvegr_size = uctxt->egrbufs.rcvtid_size;
1171
1171
 
..
..
@@ -1220,8 +1220,10 @@
1220
1220
 		goto done;
1221
1221
 
1222
1222
 	ret = init_user_ctxt(fd, uctxt);
1223
-	if (ret)
1223
+	if (ret) {
1224
+		hfi1_free_ctxt_rcv_groups(uctxt);
1224
1225
 		goto done;
1226
+	}
1225
1227
 
1226
1228
 	user_init(uctxt);
1227
1229
 
..
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@@ -1264,7 +1266,7 @@
1264
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 	memset(&binfo, 0, sizeof(binfo));
1265
1267
 	binfo.hw_version = dd->revision;
1266
1268
 	binfo.sw_version = HFI1_KERN_SWVERSION;
1267
-	binfo.bthqp = kdeth_qp;
1269
+	binfo.bthqp = RVT_KDETH_QP_PREFIX;
1268
1270
 	binfo.jkey = uctxt->jkey;
1269
1271
 	/*
1270
1272
 	 * If more than 64 contexts are enabled the allocated credit
..
..
@@ -1357,12 +1359,15 @@
1357
1359
 		addr = arg + offsetof(struct hfi1_tid_info, tidcnt);
1358
1360
 		if (copy_to_user((void __user *)addr, &tinfo.tidcnt,
1359
1361
 				 sizeof(tinfo.tidcnt)))
1360
-			return -EFAULT;
1362
+			ret = -EFAULT;
1361
1363
 
1362
1364
 		addr = arg + offsetof(struct hfi1_tid_info, length);
1363
-		if (copy_to_user((void __user *)addr, &tinfo.length,
1365
+		if (!ret && copy_to_user((void __user *)addr, &tinfo.length,
1364
1366
 				 sizeof(tinfo.length)))
1365
1367
 			ret = -EFAULT;
1368
+
1369
+		if (ret)
1370
+			hfi1_user_exp_rcv_invalid(fd, &tinfo);
1366
1371
 	}
1367
1372
 
1368
1373
 	return ret;
..
..
@@ -1553,7 +1558,7 @@
1553
1558
 		 * always resets it's tail register back to 0 on a
1554
1559
 		 * transition from disabled to enabled.
1555
1560
 		 */
1556
-		if (uctxt->rcvhdrtail_kvaddr)
1561
+		if (hfi1_rcvhdrtail_kvaddr(uctxt))
1557
1562
 			clear_rcvhdrtail(uctxt);
1558
1563
 		rcvctrl_op = HFI1_RCVCTRL_CTXT_ENB;
1559
1564
 	} else {
..
..
@@ -1694,7 +1699,7 @@
1694
1699
 	snprintf(name, sizeof(name), "%s_%d", class_name(), dd->unit);
1695
1700
 	ret = hfi1_cdev_init(dd->unit, name, &hfi1_file_ops,
1696
1701
 			     &dd->user_cdev, &dd->user_device,
1697
-			     true, &dd->kobj);
1702
+			     true, &dd->verbs_dev.rdi.ibdev.dev.kobj);
1698
1703
 	if (ret)
1699
1704
 		user_remove(dd);
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1705