xref: /linux/drivers/infiniband/core/uverbs_std_types_device.c (revision 311aa68319f6a3d64a1e6d940d885830c7acba4c)
1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2 /*
3  * Copyright (c) 2018, Mellanox Technologies inc.  All rights reserved.
4  */
5 
6 #include <linux/overflow.h>
7 #include <rdma/uverbs_std_types.h>
8 #include "rdma_core.h"
9 #include "uverbs.h"
10 #include <rdma/uverbs_ioctl.h>
11 #include <rdma/opa_addr.h>
12 #include <rdma/ib_cache.h>
13 
14 /*
15  * This ioctl method allows calling any defined write or write_ex
16  * handler. This essentially replaces the hdr/ex_hdr system with the ioctl
17  * marshalling, and brings the non-ex path into the same marshalling as the ex
18  * path.
19  */
UVERBS_METHOD_INVOKE_WRITE(struct uverbs_attr_bundle * attrs)20 static int UVERBS_HANDLER(UVERBS_METHOD_INVOKE_WRITE)(
21 	struct uverbs_attr_bundle *attrs)
22 {
23 	struct uverbs_api *uapi = attrs->ufile->device->uapi;
24 	const struct uverbs_api_write_method *method_elm;
25 	u32 cmd;
26 	int rc;
27 
28 	rc = uverbs_get_const(&cmd, attrs, UVERBS_ATTR_WRITE_CMD);
29 	if (rc)
30 		return rc;
31 
32 	method_elm = uapi_get_method(uapi, cmd);
33 	if (IS_ERR(method_elm))
34 		return PTR_ERR(method_elm);
35 
36 	uverbs_fill_udata(attrs, &attrs->ucore, UVERBS_ATTR_CORE_IN,
37 			  UVERBS_ATTR_CORE_OUT);
38 
39 	if (attrs->ucore.inlen < method_elm->req_size ||
40 	    attrs->ucore.outlen < method_elm->resp_size)
41 		return -ENOSPC;
42 
43 	attrs->uobject = NULL;
44 	rc = method_elm->handler(attrs);
45 	if (attrs->uobject)
46 		uverbs_finalize_object(attrs->uobject, UVERBS_ACCESS_NEW, true,
47 				       !rc, attrs);
48 	return rc;
49 }
50 
51 DECLARE_UVERBS_NAMED_METHOD(UVERBS_METHOD_INVOKE_WRITE,
52 			    UVERBS_ATTR_CONST_IN(UVERBS_ATTR_WRITE_CMD,
53 						 enum ib_uverbs_write_cmds,
54 						 UA_MANDATORY),
55 			    UVERBS_ATTR_PTR_IN(UVERBS_ATTR_CORE_IN,
56 					       UVERBS_ATTR_MIN_SIZE(sizeof(u32)),
57 					       UA_OPTIONAL),
58 			    UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_CORE_OUT,
59 						UVERBS_ATTR_MIN_SIZE(0),
60 						UA_OPTIONAL),
61 			    UVERBS_ATTR_UHW());
62 
63 static uint32_t *
gather_objects_handle(struct ib_uverbs_file * ufile,const struct uverbs_api_object * uapi_object,struct uverbs_attr_bundle * attrs,ssize_t out_len,u64 * total)64 gather_objects_handle(struct ib_uverbs_file *ufile,
65 		      const struct uverbs_api_object *uapi_object,
66 		      struct uverbs_attr_bundle *attrs,
67 		      ssize_t out_len,
68 		      u64 *total)
69 {
70 	u64 max_count = out_len / sizeof(u32);
71 	struct ib_uobject *obj;
72 	u64 count = 0;
73 	u32 *handles;
74 
75 	/* Allocated memory that cannot page out where we gather
76 	 * all object ids under a spin_lock.
77 	 */
78 	handles = uverbs_zalloc(attrs, out_len);
79 	if (IS_ERR(handles))
80 		return handles;
81 
82 	spin_lock_irq(&ufile->uobjects_lock);
83 	list_for_each_entry(obj, &ufile->uobjects, list) {
84 		u32 obj_id = obj->id;
85 
86 		if (obj->uapi_object != uapi_object)
87 			continue;
88 
89 		if (count >= max_count)
90 			break;
91 
92 		handles[count] = obj_id;
93 		count++;
94 	}
95 	spin_unlock_irq(&ufile->uobjects_lock);
96 
97 	*total = count;
98 	return handles;
99 }
100 
UVERBS_METHOD_INFO_HANDLES(struct uverbs_attr_bundle * attrs)101 static int UVERBS_HANDLER(UVERBS_METHOD_INFO_HANDLES)(
102 	struct uverbs_attr_bundle *attrs)
103 {
104 	const struct uverbs_api_object *uapi_object;
105 	ssize_t out_len;
106 	u64 total = 0;
107 	u16 object_id;
108 	u32 *handles;
109 	int ret;
110 
111 	out_len = uverbs_attr_get_len(attrs, UVERBS_ATTR_INFO_HANDLES_LIST);
112 	if (out_len <= 0 || (out_len % sizeof(u32) != 0))
113 		return -EINVAL;
114 
115 	ret = uverbs_get_const(&object_id, attrs, UVERBS_ATTR_INFO_OBJECT_ID);
116 	if (ret)
117 		return ret;
118 
119 	uapi_object = uapi_get_object(attrs->ufile->device->uapi, object_id);
120 	if (IS_ERR(uapi_object))
121 		return PTR_ERR(uapi_object);
122 
123 	handles = gather_objects_handle(attrs->ufile, uapi_object, attrs,
124 					out_len, &total);
125 	if (IS_ERR(handles))
126 		return PTR_ERR(handles);
127 
128 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_INFO_HANDLES_LIST, handles,
129 			     sizeof(u32) * total);
130 	if (ret)
131 		goto err;
132 
133 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_INFO_TOTAL_HANDLES, &total,
134 			     sizeof(total));
135 err:
136 	return ret;
137 }
138 
copy_port_attr_to_resp(struct ib_port_attr * attr,struct ib_uverbs_query_port_resp * resp,struct ib_device * ib_dev,u8 port_num)139 void copy_port_attr_to_resp(struct ib_port_attr *attr,
140 			    struct ib_uverbs_query_port_resp *resp,
141 			    struct ib_device *ib_dev, u8 port_num)
142 {
143 	resp->state = attr->state;
144 	resp->max_mtu = attr->max_mtu;
145 	resp->active_mtu = attr->active_mtu;
146 	resp->gid_tbl_len = attr->gid_tbl_len;
147 	resp->port_cap_flags = make_port_cap_flags(attr);
148 	resp->max_msg_sz = attr->max_msg_sz;
149 	resp->bad_pkey_cntr = attr->bad_pkey_cntr;
150 	resp->qkey_viol_cntr = attr->qkey_viol_cntr;
151 	resp->pkey_tbl_len = attr->pkey_tbl_len;
152 
153 	if (rdma_is_grh_required(ib_dev, port_num))
154 		resp->flags |= IB_UVERBS_QPF_GRH_REQUIRED;
155 
156 	if (rdma_cap_opa_ah(ib_dev, port_num)) {
157 		resp->lid = OPA_TO_IB_UCAST_LID(attr->lid);
158 		resp->sm_lid = OPA_TO_IB_UCAST_LID(attr->sm_lid);
159 	} else {
160 		resp->lid = ib_lid_cpu16(attr->lid);
161 		resp->sm_lid = ib_lid_cpu16(attr->sm_lid);
162 	}
163 
164 	resp->lmc = attr->lmc;
165 	resp->max_vl_num = attr->max_vl_num;
166 	resp->sm_sl = attr->sm_sl;
167 	resp->subnet_timeout = attr->subnet_timeout;
168 	resp->init_type_reply = attr->init_type_reply;
169 	resp->active_width = attr->active_width;
170 	/* This ABI needs to be extended to provide any speed more than IB_SPEED_NDR */
171 	resp->active_speed = min_t(u16, attr->active_speed, IB_SPEED_NDR);
172 	resp->phys_state = attr->phys_state;
173 	resp->link_layer = rdma_port_get_link_layer(ib_dev, port_num);
174 }
175 
UVERBS_METHOD_QUERY_PORT(struct uverbs_attr_bundle * attrs)176 static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_PORT)(
177 	struct uverbs_attr_bundle *attrs)
178 {
179 	struct ib_device *ib_dev;
180 	struct ib_port_attr attr = {};
181 	struct ib_uverbs_query_port_resp_ex resp = {};
182 	struct ib_ucontext *ucontext;
183 	int ret;
184 	u8 port_num;
185 
186 	ucontext = ib_uverbs_get_ucontext(attrs);
187 	if (IS_ERR(ucontext))
188 		return PTR_ERR(ucontext);
189 	ib_dev = ucontext->device;
190 
191 	/* FIXME: Extend the UAPI_DEF_OBJ_NEEDS_FN stuff.. */
192 	if (!ib_dev->ops.query_port)
193 		return -EOPNOTSUPP;
194 
195 	ret = uverbs_get_const(&port_num, attrs,
196 			       UVERBS_ATTR_QUERY_PORT_PORT_NUM);
197 	if (ret)
198 		return ret;
199 
200 	ret = ib_query_port(ib_dev, port_num, &attr);
201 	if (ret)
202 		return ret;
203 
204 	copy_port_attr_to_resp(&attr, &resp.legacy_resp, ib_dev, port_num);
205 	resp.port_cap_flags2 = attr.port_cap_flags2;
206 	resp.active_speed_ex = attr.active_speed;
207 
208 	return uverbs_copy_to_struct_or_zero(attrs, UVERBS_ATTR_QUERY_PORT_RESP,
209 					     &resp, sizeof(resp));
210 }
211 
UVERBS_METHOD_QUERY_PORT_SPEED(struct uverbs_attr_bundle * attrs)212 static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_PORT_SPEED)(
213 	struct uverbs_attr_bundle *attrs)
214 {
215 	struct ib_ucontext *ucontext;
216 	struct ib_device *ib_dev;
217 	u32 port_num;
218 	u64 speed;
219 	int ret;
220 
221 	ucontext = ib_uverbs_get_ucontext(attrs);
222 	if (IS_ERR(ucontext))
223 		return PTR_ERR(ucontext);
224 	ib_dev = ucontext->device;
225 
226 	if (!ib_dev->ops.query_port_speed)
227 		return -EOPNOTSUPP;
228 
229 	ret = uverbs_get_const(&port_num, attrs,
230 			       UVERBS_ATTR_QUERY_PORT_SPEED_PORT_NUM);
231 	if (ret)
232 		return ret;
233 
234 	if (!rdma_is_port_valid(ib_dev, port_num))
235 		return -EINVAL;
236 
237 	ret = ib_dev->ops.query_port_speed(ib_dev, port_num, &speed);
238 	if (ret)
239 		return ret;
240 
241 	return uverbs_copy_to(attrs, UVERBS_ATTR_QUERY_PORT_SPEED_RESP,
242 			      &speed, sizeof(speed));
243 }
244 
UVERBS_METHOD_GET_CONTEXT(struct uverbs_attr_bundle * attrs)245 static int UVERBS_HANDLER(UVERBS_METHOD_GET_CONTEXT)(
246 	struct uverbs_attr_bundle *attrs)
247 {
248 	u32 num_comp = attrs->ufile->device->num_comp_vectors;
249 	u64 core_support = IB_UVERBS_CORE_SUPPORT_OPTIONAL_MR_ACCESS;
250 	int ret;
251 
252 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS,
253 			     &num_comp, sizeof(num_comp));
254 	if (IS_UVERBS_COPY_ERR(ret))
255 		return ret;
256 
257 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_GET_CONTEXT_CORE_SUPPORT,
258 			     &core_support, sizeof(core_support));
259 	if (IS_UVERBS_COPY_ERR(ret))
260 		return ret;
261 
262 	ret = ib_alloc_ucontext(attrs);
263 	if (ret)
264 		return ret;
265 	ret = ib_init_ucontext(attrs);
266 	if (ret) {
267 		kfree(attrs->context);
268 		attrs->context = NULL;
269 		return ret;
270 	}
271 	return 0;
272 }
273 
UVERBS_METHOD_QUERY_CONTEXT(struct uverbs_attr_bundle * attrs)274 static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_CONTEXT)(
275 	struct uverbs_attr_bundle *attrs)
276 {
277 	u64 core_support = IB_UVERBS_CORE_SUPPORT_OPTIONAL_MR_ACCESS;
278 	struct ib_ucontext *ucontext;
279 	struct ib_device *ib_dev;
280 	u32 num_comp;
281 	int ret;
282 
283 	ucontext = ib_uverbs_get_ucontext(attrs);
284 	if (IS_ERR(ucontext))
285 		return PTR_ERR(ucontext);
286 	ib_dev = ucontext->device;
287 
288 	if (!ib_dev->ops.query_ucontext)
289 		return -EOPNOTSUPP;
290 
291 	num_comp = attrs->ufile->device->num_comp_vectors;
292 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_QUERY_CONTEXT_NUM_COMP_VECTORS,
293 			     &num_comp, sizeof(num_comp));
294 	if (IS_UVERBS_COPY_ERR(ret))
295 		return ret;
296 
297 	ret = uverbs_copy_to(attrs, UVERBS_ATTR_QUERY_CONTEXT_CORE_SUPPORT,
298 			     &core_support, sizeof(core_support));
299 	if (IS_UVERBS_COPY_ERR(ret))
300 		return ret;
301 
302 	return ucontext->device->ops.query_ucontext(ucontext, attrs);
303 }
304 
copy_gid_entries_to_user(struct uverbs_attr_bundle * attrs,struct ib_uverbs_gid_entry * entries,size_t num_entries,size_t user_entry_size)305 static int copy_gid_entries_to_user(struct uverbs_attr_bundle *attrs,
306 				    struct ib_uverbs_gid_entry *entries,
307 				    size_t num_entries, size_t user_entry_size)
308 {
309 	const struct uverbs_attr *attr;
310 	void __user *user_entries;
311 	size_t copy_len;
312 	int ret;
313 	int i;
314 
315 	if (user_entry_size == sizeof(*entries)) {
316 		ret = uverbs_copy_to(attrs,
317 				     UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES,
318 				     entries, sizeof(*entries) * num_entries);
319 		return ret;
320 	}
321 
322 	copy_len = min_t(size_t, user_entry_size, sizeof(*entries));
323 	attr = uverbs_attr_get(attrs, UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES);
324 	if (IS_ERR(attr))
325 		return PTR_ERR(attr);
326 
327 	user_entries = u64_to_user_ptr(attr->ptr_attr.data);
328 	for (i = 0; i < num_entries; i++) {
329 		if (copy_to_user(user_entries, entries, copy_len))
330 			return -EFAULT;
331 
332 		if (user_entry_size > sizeof(*entries)) {
333 			if (clear_user(user_entries + sizeof(*entries),
334 				       user_entry_size - sizeof(*entries)))
335 				return -EFAULT;
336 		}
337 
338 		entries++;
339 		user_entries += user_entry_size;
340 	}
341 
342 	return uverbs_output_written(attrs,
343 				     UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES);
344 }
345 
UVERBS_METHOD_QUERY_GID_TABLE(struct uverbs_attr_bundle * attrs)346 static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_GID_TABLE)(
347 	struct uverbs_attr_bundle *attrs)
348 {
349 	struct ib_uverbs_gid_entry *entries;
350 	struct ib_ucontext *ucontext;
351 	struct ib_device *ib_dev;
352 	size_t user_entry_size;
353 	ssize_t num_entries;
354 	int max_entries;
355 	u32 flags;
356 	int ret;
357 
358 	ret = uverbs_get_flags32(&flags, attrs,
359 				 UVERBS_ATTR_QUERY_GID_TABLE_FLAGS, 0);
360 	if (ret)
361 		return ret;
362 
363 	ret = uverbs_get_const(&user_entry_size, attrs,
364 			       UVERBS_ATTR_QUERY_GID_TABLE_ENTRY_SIZE);
365 	if (ret)
366 		return ret;
367 
368 	if (!user_entry_size)
369 		return -EINVAL;
370 
371 	max_entries = uverbs_attr_ptr_get_array_size(
372 		attrs, UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES,
373 		user_entry_size);
374 	if (max_entries <= 0)
375 		return max_entries ?: -EINVAL;
376 
377 	ucontext = ib_uverbs_get_ucontext(attrs);
378 	if (IS_ERR(ucontext))
379 		return PTR_ERR(ucontext);
380 	ib_dev = ucontext->device;
381 
382 	entries = uverbs_kcalloc(attrs, max_entries, sizeof(*entries));
383 	if (IS_ERR(entries))
384 		return PTR_ERR(entries);
385 
386 	num_entries = rdma_query_gid_table(ib_dev, entries, max_entries);
387 	if (num_entries < 0)
388 		return -EINVAL;
389 
390 	ret = copy_gid_entries_to_user(attrs, entries, num_entries,
391 				       user_entry_size);
392 	if (ret)
393 		return ret;
394 
395 	ret = uverbs_copy_to(attrs,
396 			     UVERBS_ATTR_QUERY_GID_TABLE_RESP_NUM_ENTRIES,
397 			     &num_entries, sizeof(num_entries));
398 	return ret;
399 }
400 
UVERBS_METHOD_QUERY_GID_ENTRY(struct uverbs_attr_bundle * attrs)401 static int UVERBS_HANDLER(UVERBS_METHOD_QUERY_GID_ENTRY)(
402 	struct uverbs_attr_bundle *attrs)
403 {
404 	struct ib_uverbs_gid_entry entry = {};
405 	const struct ib_gid_attr *gid_attr;
406 	struct ib_ucontext *ucontext;
407 	struct ib_device *ib_dev;
408 	struct net_device *ndev;
409 	u32 gid_index;
410 	u32 port_num;
411 	u32 flags;
412 	int ret;
413 
414 	ret = uverbs_get_flags32(&flags, attrs,
415 				 UVERBS_ATTR_QUERY_GID_ENTRY_FLAGS, 0);
416 	if (ret)
417 		return ret;
418 
419 	ret = uverbs_get_const(&port_num, attrs,
420 			       UVERBS_ATTR_QUERY_GID_ENTRY_PORT);
421 	if (ret)
422 		return ret;
423 
424 	ret = uverbs_get_const(&gid_index, attrs,
425 			       UVERBS_ATTR_QUERY_GID_ENTRY_GID_INDEX);
426 	if (ret)
427 		return ret;
428 
429 	ucontext = ib_uverbs_get_ucontext(attrs);
430 	if (IS_ERR(ucontext))
431 		return PTR_ERR(ucontext);
432 	ib_dev = ucontext->device;
433 
434 	if (!rdma_is_port_valid(ib_dev, port_num))
435 		return -EINVAL;
436 
437 	gid_attr = rdma_get_gid_attr(ib_dev, port_num, gid_index);
438 	if (IS_ERR(gid_attr))
439 		return PTR_ERR(gid_attr);
440 
441 	memcpy(&entry.gid, &gid_attr->gid, sizeof(gid_attr->gid));
442 	entry.gid_index = gid_attr->index;
443 	entry.port_num = gid_attr->port_num;
444 	entry.gid_type = gid_attr->gid_type;
445 
446 	rcu_read_lock();
447 	ndev = rdma_read_gid_attr_ndev_rcu(gid_attr);
448 	if (IS_ERR(ndev)) {
449 		if (PTR_ERR(ndev) != -ENODEV) {
450 			ret = PTR_ERR(ndev);
451 			rcu_read_unlock();
452 			goto out;
453 		}
454 	} else {
455 		entry.netdev_ifindex = ndev->ifindex;
456 	}
457 	rcu_read_unlock();
458 
459 	ret = uverbs_copy_to_struct_or_zero(
460 		attrs, UVERBS_ATTR_QUERY_GID_ENTRY_RESP_ENTRY, &entry,
461 		sizeof(entry));
462 out:
463 	rdma_put_gid_attr(gid_attr);
464 	return ret;
465 }
466 
467 DECLARE_UVERBS_NAMED_METHOD(
468 	UVERBS_METHOD_GET_CONTEXT,
469 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_GET_CONTEXT_NUM_COMP_VECTORS,
470 			    UVERBS_ATTR_TYPE(u32), UA_OPTIONAL),
471 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_GET_CONTEXT_CORE_SUPPORT,
472 			    UVERBS_ATTR_TYPE(u64), UA_OPTIONAL),
473 	UVERBS_ATTR_PTR_IN(UVERBS_ATTR_GET_CONTEXT_FD_ARR,
474 			   UVERBS_ATTR_MIN_SIZE(sizeof(int)),
475 			   UA_OPTIONAL,
476 			   UA_ALLOC_AND_COPY),
477 	UVERBS_ATTR_UHW());
478 
479 DECLARE_UVERBS_NAMED_METHOD(
480 	UVERBS_METHOD_QUERY_CONTEXT,
481 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_CONTEXT_NUM_COMP_VECTORS,
482 			    UVERBS_ATTR_TYPE(u32), UA_OPTIONAL),
483 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_CONTEXT_CORE_SUPPORT,
484 			    UVERBS_ATTR_TYPE(u64), UA_OPTIONAL));
485 
486 DECLARE_UVERBS_NAMED_METHOD(
487 	UVERBS_METHOD_INFO_HANDLES,
488 	/* Also includes any device specific object ids */
489 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_INFO_OBJECT_ID,
490 			     enum uverbs_default_objects, UA_MANDATORY),
491 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_INFO_TOTAL_HANDLES,
492 			    UVERBS_ATTR_TYPE(u32), UA_OPTIONAL),
493 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_INFO_HANDLES_LIST,
494 			    UVERBS_ATTR_MIN_SIZE(sizeof(u32)), UA_OPTIONAL));
495 
496 DECLARE_UVERBS_NAMED_METHOD(
497 	UVERBS_METHOD_QUERY_PORT,
498 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_QUERY_PORT_PORT_NUM, u8, UA_MANDATORY),
499 	UVERBS_ATTR_PTR_OUT(
500 		UVERBS_ATTR_QUERY_PORT_RESP,
501 		UVERBS_ATTR_STRUCT(struct ib_uverbs_query_port_resp_ex,
502 				   active_speed_ex),
503 		UA_MANDATORY));
504 
505 DECLARE_UVERBS_NAMED_METHOD(
506 	UVERBS_METHOD_QUERY_PORT_SPEED,
507 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_QUERY_PORT_SPEED_PORT_NUM, u32,
508 			     UA_MANDATORY),
509 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_PORT_SPEED_RESP,
510 			    UVERBS_ATTR_TYPE(u64),
511 			    UA_MANDATORY));
512 
513 DECLARE_UVERBS_NAMED_METHOD(
514 	UVERBS_METHOD_QUERY_GID_TABLE,
515 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_QUERY_GID_TABLE_ENTRY_SIZE, u64,
516 			     UA_MANDATORY),
517 	UVERBS_ATTR_FLAGS_IN(UVERBS_ATTR_QUERY_GID_TABLE_FLAGS, u32,
518 			     UA_OPTIONAL),
519 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_GID_TABLE_RESP_ENTRIES,
520 			    UVERBS_ATTR_MIN_SIZE(0), UA_MANDATORY),
521 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_GID_TABLE_RESP_NUM_ENTRIES,
522 			    UVERBS_ATTR_TYPE(u64), UA_MANDATORY));
523 
524 DECLARE_UVERBS_NAMED_METHOD(
525 	UVERBS_METHOD_QUERY_GID_ENTRY,
526 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_QUERY_GID_ENTRY_PORT, u32,
527 			     UA_MANDATORY),
528 	UVERBS_ATTR_CONST_IN(UVERBS_ATTR_QUERY_GID_ENTRY_GID_INDEX, u32,
529 			     UA_MANDATORY),
530 	UVERBS_ATTR_FLAGS_IN(UVERBS_ATTR_QUERY_GID_ENTRY_FLAGS, u32,
531 			     UA_MANDATORY),
532 	UVERBS_ATTR_PTR_OUT(UVERBS_ATTR_QUERY_GID_ENTRY_RESP_ENTRY,
533 			    UVERBS_ATTR_STRUCT(struct ib_uverbs_gid_entry,
534 					       netdev_ifindex),
535 			    UA_MANDATORY));
536 
537 DECLARE_UVERBS_GLOBAL_METHODS(UVERBS_OBJECT_DEVICE,
538 			      &UVERBS_METHOD(UVERBS_METHOD_GET_CONTEXT),
539 			      &UVERBS_METHOD(UVERBS_METHOD_INVOKE_WRITE),
540 			      &UVERBS_METHOD(UVERBS_METHOD_INFO_HANDLES),
541 			      &UVERBS_METHOD(UVERBS_METHOD_QUERY_PORT),
542 			      &UVERBS_METHOD(UVERBS_METHOD_QUERY_PORT_SPEED),
543 			      &UVERBS_METHOD(UVERBS_METHOD_QUERY_CONTEXT),
544 			      &UVERBS_METHOD(UVERBS_METHOD_QUERY_GID_TABLE),
545 			      &UVERBS_METHOD(UVERBS_METHOD_QUERY_GID_ENTRY));
546 
547 const struct uapi_definition uverbs_def_obj_device[] = {
548 	UAPI_DEF_CHAIN_OBJ_TREE_NAMED(UVERBS_OBJECT_DEVICE),
549 	{},
550 };
551