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bc38a6ab RD |
1 | /* |
2 | * Copyright (c) 2005 Topspin Communications. All rights reserved. | |
f7c6a7b5 | 3 | * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved. |
eb9d3cd5 | 4 | * Copyright (c) 2005 PathScale, Inc. All rights reserved. |
8bdb0e86 | 5 | * Copyright (c) 2006 Mellanox Technologies. All rights reserved. |
bc38a6ab RD |
6 | * |
7 | * This software is available to you under a choice of one of two | |
8 | * licenses. You may choose to be licensed under the terms of the GNU | |
9 | * General Public License (GPL) Version 2, available from the file | |
10 | * COPYING in the main directory of this source tree, or the | |
11 | * OpenIB.org BSD license below: | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or | |
14 | * without modification, are permitted provided that the following | |
15 | * conditions are met: | |
16 | * | |
17 | * - Redistributions of source code must retain the above | |
18 | * copyright notice, this list of conditions and the following | |
19 | * disclaimer. | |
20 | * | |
21 | * - Redistributions in binary form must reproduce the above | |
22 | * copyright notice, this list of conditions and the following | |
23 | * disclaimer in the documentation and/or other materials | |
24 | * provided with the distribution. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
33 | * SOFTWARE. | |
bc38a6ab RD |
34 | */ |
35 | ||
6b73597e | 36 | #include <linux/file.h> |
70a30e16 | 37 | #include <linux/fs.h> |
5a0e3ad6 | 38 | #include <linux/slab.h> |
8ada2c1c | 39 | #include <linux/sched.h> |
6b73597e | 40 | |
7c0f6ba6 | 41 | #include <linux/uaccess.h> |
bc38a6ab | 42 | |
fd3c7904 MB |
43 | #include <rdma/uverbs_types.h> |
44 | #include <rdma/uverbs_std_types.h> | |
45 | #include "rdma_core.h" | |
46 | ||
bc38a6ab | 47 | #include "uverbs.h" |
ed4c54e5 | 48 | #include "core_priv.h" |
bc38a6ab | 49 | |
1e7710f3 | 50 | static struct ib_uverbs_completion_event_file * |
8313c10f | 51 | _ib_uverbs_lookup_comp_file(s32 fd, const struct uverbs_attr_bundle *attrs) |
1e7710f3 | 52 | { |
1250c304 | 53 | struct ib_uobject *uobj = ufd_get_read(UVERBS_OBJECT_COMP_CHANNEL, |
8313c10f | 54 | fd, attrs); |
1e7710f3 MB |
55 | |
56 | if (IS_ERR(uobj)) | |
57 | return (void *)uobj; | |
58 | ||
59 | uverbs_uobject_get(uobj); | |
60 | uobj_put_read(uobj); | |
61 | ||
d0259e82 JG |
62 | return container_of(uobj, struct ib_uverbs_completion_event_file, |
63 | uobj); | |
1e7710f3 | 64 | } |
1250c304 JG |
65 | #define ib_uverbs_lookup_comp_file(_fd, _ufile) \ |
66 | _ib_uverbs_lookup_comp_file((_fd)*typecheck(s32, _fd), _ufile) | |
1e7710f3 | 67 | |
7106a976 JG |
68 | static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs, |
69 | const char __user *buf, int in_len, | |
70 | int out_len) | |
bc38a6ab | 71 | { |
8313c10f | 72 | struct ib_uverbs_file *file = attrs->ufile; |
bc38a6ab RD |
73 | struct ib_uverbs_get_context cmd; |
74 | struct ib_uverbs_get_context_resp resp; | |
63c47c28 | 75 | struct ib_ucontext *ucontext; |
6b73597e | 76 | struct file *filp; |
43579b5f | 77 | struct ib_rdmacg_object cg_obj; |
bbd51e88 | 78 | struct ib_device *ib_dev; |
63c47c28 | 79 | int ret; |
bc38a6ab RD |
80 | |
81 | if (out_len < sizeof resp) | |
82 | return -ENOSPC; | |
83 | ||
84 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
85 | return -EFAULT; | |
86 | ||
e951747a | 87 | mutex_lock(&file->ucontext_lock); |
bbd51e88 JG |
88 | ib_dev = srcu_dereference(file->device->ib_dev, |
89 | &file->device->disassociate_srcu); | |
90 | if (!ib_dev) { | |
91 | ret = -EIO; | |
92 | goto err; | |
93 | } | |
63c47c28 RD |
94 | |
95 | if (file->ucontext) { | |
96 | ret = -EINVAL; | |
97 | goto err; | |
98 | } | |
99 | ||
43579b5f PP |
100 | ret = ib_rdmacg_try_charge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE); |
101 | if (ret) | |
102 | goto err; | |
103 | ||
ef87df2c | 104 | ucontext = ib_dev->alloc_ucontext(ib_dev, &attrs->driver_udata); |
77f76013 | 105 | if (IS_ERR(ucontext)) { |
df42245a | 106 | ret = PTR_ERR(ucontext); |
43579b5f | 107 | goto err_alloc; |
77f76013 | 108 | } |
bc38a6ab | 109 | |
057aec0d | 110 | ucontext->device = ib_dev; |
43579b5f | 111 | ucontext->cg_obj = cg_obj; |
771addf6 MB |
112 | /* ufile is required when some objects are released */ |
113 | ucontext->ufile = file; | |
fd3c7904 | 114 | |
6ceb6331 | 115 | ucontext->closing = false; |
1c77483e | 116 | ucontext->cleanup_retryable = false; |
bc38a6ab | 117 | |
882214e2 | 118 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
f27a0d50 JG |
119 | mutex_init(&ucontext->per_mm_list_lock); |
120 | INIT_LIST_HEAD(&ucontext->per_mm_list); | |
86bee4c9 | 121 | if (!(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING)) |
882214e2 HE |
122 | ucontext->invalidate_range = NULL; |
123 | ||
124 | #endif | |
125 | ||
6b73597e RD |
126 | resp.num_comp_vectors = file->device->num_comp_vectors; |
127 | ||
da183c7a | 128 | ret = get_unused_fd_flags(O_CLOEXEC); |
b1e4594b AV |
129 | if (ret < 0) |
130 | goto err_free; | |
131 | resp.async_fd = ret; | |
132 | ||
1e7710f3 | 133 | filp = ib_uverbs_alloc_async_event_file(file, ib_dev); |
6b73597e RD |
134 | if (IS_ERR(filp)) { |
135 | ret = PTR_ERR(filp); | |
b1e4594b | 136 | goto err_fd; |
6b73597e | 137 | } |
bc38a6ab | 138 | |
40a20339 | 139 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
63c47c28 | 140 | ret = -EFAULT; |
6b73597e | 141 | goto err_file; |
63c47c28 RD |
142 | } |
143 | ||
6b73597e RD |
144 | fd_install(resp.async_fd, filp); |
145 | ||
22fa27fb JG |
146 | /* |
147 | * Make sure that ib_uverbs_get_ucontext() sees the pointer update | |
148 | * only after all writes to setup the ucontext have completed | |
149 | */ | |
150 | smp_store_release(&file->ucontext, ucontext); | |
151 | ||
e951747a | 152 | mutex_unlock(&file->ucontext_lock); |
bc38a6ab | 153 | |
7106a976 | 154 | return 0; |
bc38a6ab | 155 | |
6b73597e | 156 | err_file: |
03c40442 | 157 | ib_uverbs_free_async_event_file(file); |
6b73597e RD |
158 | fput(filp); |
159 | ||
b1e4594b AV |
160 | err_fd: |
161 | put_unused_fd(resp.async_fd); | |
162 | ||
63c47c28 | 163 | err_free: |
057aec0d | 164 | ib_dev->dealloc_ucontext(ucontext); |
bc38a6ab | 165 | |
43579b5f PP |
166 | err_alloc: |
167 | ib_rdmacg_uncharge(&cg_obj, ib_dev, RDMACG_RESOURCE_HCA_HANDLE); | |
168 | ||
63c47c28 | 169 | err: |
e951747a | 170 | mutex_unlock(&file->ucontext_lock); |
63c47c28 | 171 | return ret; |
bc38a6ab RD |
172 | } |
173 | ||
bbd51e88 | 174 | static void copy_query_dev_fields(struct ib_ucontext *ucontext, |
02d1aa7a EC |
175 | struct ib_uverbs_query_device_resp *resp, |
176 | struct ib_device_attr *attr) | |
177 | { | |
bbd51e88 JG |
178 | struct ib_device *ib_dev = ucontext->device; |
179 | ||
02d1aa7a | 180 | resp->fw_ver = attr->fw_ver; |
057aec0d | 181 | resp->node_guid = ib_dev->node_guid; |
02d1aa7a EC |
182 | resp->sys_image_guid = attr->sys_image_guid; |
183 | resp->max_mr_size = attr->max_mr_size; | |
184 | resp->page_size_cap = attr->page_size_cap; | |
185 | resp->vendor_id = attr->vendor_id; | |
186 | resp->vendor_part_id = attr->vendor_part_id; | |
187 | resp->hw_ver = attr->hw_ver; | |
188 | resp->max_qp = attr->max_qp; | |
189 | resp->max_qp_wr = attr->max_qp_wr; | |
fb532d6a | 190 | resp->device_cap_flags = lower_32_bits(attr->device_cap_flags); |
33023fb8 | 191 | resp->max_sge = min(attr->max_send_sge, attr->max_recv_sge); |
02d1aa7a EC |
192 | resp->max_sge_rd = attr->max_sge_rd; |
193 | resp->max_cq = attr->max_cq; | |
194 | resp->max_cqe = attr->max_cqe; | |
195 | resp->max_mr = attr->max_mr; | |
196 | resp->max_pd = attr->max_pd; | |
197 | resp->max_qp_rd_atom = attr->max_qp_rd_atom; | |
198 | resp->max_ee_rd_atom = attr->max_ee_rd_atom; | |
199 | resp->max_res_rd_atom = attr->max_res_rd_atom; | |
200 | resp->max_qp_init_rd_atom = attr->max_qp_init_rd_atom; | |
201 | resp->max_ee_init_rd_atom = attr->max_ee_init_rd_atom; | |
202 | resp->atomic_cap = attr->atomic_cap; | |
203 | resp->max_ee = attr->max_ee; | |
204 | resp->max_rdd = attr->max_rdd; | |
205 | resp->max_mw = attr->max_mw; | |
206 | resp->max_raw_ipv6_qp = attr->max_raw_ipv6_qp; | |
207 | resp->max_raw_ethy_qp = attr->max_raw_ethy_qp; | |
208 | resp->max_mcast_grp = attr->max_mcast_grp; | |
209 | resp->max_mcast_qp_attach = attr->max_mcast_qp_attach; | |
210 | resp->max_total_mcast_qp_attach = attr->max_total_mcast_qp_attach; | |
211 | resp->max_ah = attr->max_ah; | |
212 | resp->max_fmr = attr->max_fmr; | |
213 | resp->max_map_per_fmr = attr->max_map_per_fmr; | |
214 | resp->max_srq = attr->max_srq; | |
215 | resp->max_srq_wr = attr->max_srq_wr; | |
216 | resp->max_srq_sge = attr->max_srq_sge; | |
217 | resp->max_pkeys = attr->max_pkeys; | |
218 | resp->local_ca_ack_delay = attr->local_ca_ack_delay; | |
057aec0d | 219 | resp->phys_port_cnt = ib_dev->phys_port_cnt; |
02d1aa7a EC |
220 | } |
221 | ||
7106a976 JG |
222 | static int ib_uverbs_query_device(struct uverbs_attr_bundle *attrs, |
223 | const char __user *buf, int in_len, | |
224 | int out_len) | |
bc38a6ab RD |
225 | { |
226 | struct ib_uverbs_query_device cmd; | |
227 | struct ib_uverbs_query_device_resp resp; | |
bbd51e88 JG |
228 | struct ib_ucontext *ucontext; |
229 | ||
8313c10f | 230 | ucontext = ib_uverbs_get_ucontext(attrs); |
bbd51e88 JG |
231 | if (IS_ERR(ucontext)) |
232 | return PTR_ERR(ucontext); | |
bc38a6ab RD |
233 | |
234 | if (out_len < sizeof resp) | |
235 | return -ENOSPC; | |
236 | ||
237 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
238 | return -EFAULT; | |
239 | ||
bc38a6ab | 240 | memset(&resp, 0, sizeof resp); |
bbd51e88 | 241 | copy_query_dev_fields(ucontext, &resp, &ucontext->device->attrs); |
bc38a6ab | 242 | |
40a20339 | 243 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
bc38a6ab RD |
244 | return -EFAULT; |
245 | ||
7106a976 | 246 | return 0; |
bc38a6ab RD |
247 | } |
248 | ||
2f944c0f JG |
249 | /* |
250 | * ib_uverbs_query_port_resp.port_cap_flags started out as just a copy of the | |
251 | * PortInfo CapabilityMask, but was extended with unique bits. | |
252 | */ | |
253 | static u32 make_port_cap_flags(const struct ib_port_attr *attr) | |
254 | { | |
255 | u32 res; | |
256 | ||
257 | /* All IBA CapabilityMask bits are passed through here, except bit 26, | |
258 | * which is overridden with IP_BASED_GIDS. This is due to a historical | |
259 | * mistake in the implementation of IP_BASED_GIDS. Otherwise all other | |
260 | * bits match the IBA definition across all kernel versions. | |
261 | */ | |
262 | res = attr->port_cap_flags & ~(u32)IB_UVERBS_PCF_IP_BASED_GIDS; | |
263 | ||
264 | if (attr->ip_gids) | |
265 | res |= IB_UVERBS_PCF_IP_BASED_GIDS; | |
266 | ||
267 | return res; | |
268 | } | |
269 | ||
7106a976 JG |
270 | static int ib_uverbs_query_port(struct uverbs_attr_bundle *attrs, |
271 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab RD |
272 | { |
273 | struct ib_uverbs_query_port cmd; | |
274 | struct ib_uverbs_query_port_resp resp; | |
275 | struct ib_port_attr attr; | |
276 | int ret; | |
bbd51e88 JG |
277 | struct ib_ucontext *ucontext; |
278 | struct ib_device *ib_dev; | |
279 | ||
8313c10f | 280 | ucontext = ib_uverbs_get_ucontext(attrs); |
bbd51e88 JG |
281 | if (IS_ERR(ucontext)) |
282 | return PTR_ERR(ucontext); | |
283 | ib_dev = ucontext->device; | |
bc38a6ab RD |
284 | |
285 | if (out_len < sizeof resp) | |
286 | return -ENOSPC; | |
287 | ||
288 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
289 | return -EFAULT; | |
290 | ||
057aec0d | 291 | ret = ib_query_port(ib_dev, cmd.port_num, &attr); |
bc38a6ab RD |
292 | if (ret) |
293 | return ret; | |
294 | ||
295 | memset(&resp, 0, sizeof resp); | |
296 | ||
297 | resp.state = attr.state; | |
298 | resp.max_mtu = attr.max_mtu; | |
299 | resp.active_mtu = attr.active_mtu; | |
300 | resp.gid_tbl_len = attr.gid_tbl_len; | |
2f944c0f | 301 | resp.port_cap_flags = make_port_cap_flags(&attr); |
bc38a6ab RD |
302 | resp.max_msg_sz = attr.max_msg_sz; |
303 | resp.bad_pkey_cntr = attr.bad_pkey_cntr; | |
304 | resp.qkey_viol_cntr = attr.qkey_viol_cntr; | |
305 | resp.pkey_tbl_len = attr.pkey_tbl_len; | |
62ede777 | 306 | |
8942acea AK |
307 | if (rdma_is_grh_required(ib_dev, cmd.port_num)) |
308 | resp.flags |= IB_UVERBS_QPF_GRH_REQUIRED; | |
309 | ||
db58540b | 310 | if (rdma_cap_opa_ah(ib_dev, cmd.port_num)) { |
62ede777 | 311 | resp.lid = OPA_TO_IB_UCAST_LID(attr.lid); |
db58540b DC |
312 | resp.sm_lid = OPA_TO_IB_UCAST_LID(attr.sm_lid); |
313 | } else { | |
62ede777 HD |
314 | resp.lid = ib_lid_cpu16(attr.lid); |
315 | resp.sm_lid = ib_lid_cpu16(attr.sm_lid); | |
db58540b | 316 | } |
bc38a6ab RD |
317 | resp.lmc = attr.lmc; |
318 | resp.max_vl_num = attr.max_vl_num; | |
319 | resp.sm_sl = attr.sm_sl; | |
320 | resp.subnet_timeout = attr.subnet_timeout; | |
321 | resp.init_type_reply = attr.init_type_reply; | |
322 | resp.active_width = attr.active_width; | |
323 | resp.active_speed = attr.active_speed; | |
324 | resp.phys_state = attr.phys_state; | |
057aec0d | 325 | resp.link_layer = rdma_port_get_link_layer(ib_dev, |
2420b60b | 326 | cmd.port_num); |
bc38a6ab | 327 | |
40a20339 | 328 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
bc38a6ab RD |
329 | return -EFAULT; |
330 | ||
7106a976 | 331 | return 0; |
bc38a6ab RD |
332 | } |
333 | ||
7106a976 JG |
334 | static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs, |
335 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab RD |
336 | { |
337 | struct ib_uverbs_alloc_pd cmd; | |
338 | struct ib_uverbs_alloc_pd_resp resp; | |
bc38a6ab RD |
339 | struct ib_uobject *uobj; |
340 | struct ib_pd *pd; | |
341 | int ret; | |
bbd51e88 | 342 | struct ib_device *ib_dev; |
bc38a6ab RD |
343 | |
344 | if (out_len < sizeof resp) | |
345 | return -ENOSPC; | |
346 | ||
347 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
348 | return -EFAULT; | |
349 | ||
8313c10f | 350 | uobj = uobj_alloc(UVERBS_OBJECT_PD, attrs, &ib_dev); |
fd3c7904 MB |
351 | if (IS_ERR(uobj)) |
352 | return PTR_ERR(uobj); | |
bc38a6ab | 353 | |
ef87df2c | 354 | pd = ib_dev->alloc_pd(ib_dev, uobj->context, &attrs->driver_udata); |
bc38a6ab RD |
355 | if (IS_ERR(pd)) { |
356 | ret = PTR_ERR(pd); | |
357 | goto err; | |
358 | } | |
359 | ||
057aec0d | 360 | pd->device = ib_dev; |
bc38a6ab | 361 | pd->uobject = uobj; |
50d46335 | 362 | pd->__internal_mr = NULL; |
bc38a6ab RD |
363 | atomic_set(&pd->usecnt, 0); |
364 | ||
9ead190b | 365 | uobj->object = pd; |
bc38a6ab RD |
366 | memset(&resp, 0, sizeof resp); |
367 | resp.pd_handle = uobj->id; | |
9d5f8c20 LR |
368 | pd->res.type = RDMA_RESTRACK_PD; |
369 | rdma_restrack_add(&pd->res); | |
bc38a6ab | 370 | |
40a20339 | 371 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
bc38a6ab | 372 | ret = -EFAULT; |
9ead190b | 373 | goto err_copy; |
bc38a6ab RD |
374 | } |
375 | ||
7106a976 | 376 | return uobj_alloc_commit(uobj); |
eb9d3cd5 | 377 | |
9ead190b | 378 | err_copy: |
bc38a6ab RD |
379 | ib_dealloc_pd(pd); |
380 | ||
381 | err: | |
fd3c7904 | 382 | uobj_alloc_abort(uobj); |
bc38a6ab RD |
383 | return ret; |
384 | } | |
385 | ||
7106a976 JG |
386 | static int ib_uverbs_dealloc_pd(struct uverbs_attr_bundle *attrs, |
387 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab RD |
388 | { |
389 | struct ib_uverbs_dealloc_pd cmd; | |
bc38a6ab RD |
390 | |
391 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
392 | return -EFAULT; | |
393 | ||
7106a976 | 394 | return uobj_perform_destroy(UVERBS_OBJECT_PD, cmd.pd_handle, attrs); |
bc38a6ab RD |
395 | } |
396 | ||
53d0bd1e SH |
397 | struct xrcd_table_entry { |
398 | struct rb_node node; | |
399 | struct ib_xrcd *xrcd; | |
400 | struct inode *inode; | |
401 | }; | |
402 | ||
403 | static int xrcd_table_insert(struct ib_uverbs_device *dev, | |
404 | struct inode *inode, | |
405 | struct ib_xrcd *xrcd) | |
406 | { | |
407 | struct xrcd_table_entry *entry, *scan; | |
408 | struct rb_node **p = &dev->xrcd_tree.rb_node; | |
409 | struct rb_node *parent = NULL; | |
410 | ||
411 | entry = kmalloc(sizeof *entry, GFP_KERNEL); | |
412 | if (!entry) | |
413 | return -ENOMEM; | |
414 | ||
415 | entry->xrcd = xrcd; | |
416 | entry->inode = inode; | |
417 | ||
418 | while (*p) { | |
419 | parent = *p; | |
420 | scan = rb_entry(parent, struct xrcd_table_entry, node); | |
421 | ||
422 | if (inode < scan->inode) { | |
423 | p = &(*p)->rb_left; | |
424 | } else if (inode > scan->inode) { | |
425 | p = &(*p)->rb_right; | |
426 | } else { | |
427 | kfree(entry); | |
428 | return -EEXIST; | |
429 | } | |
430 | } | |
431 | ||
432 | rb_link_node(&entry->node, parent, p); | |
433 | rb_insert_color(&entry->node, &dev->xrcd_tree); | |
434 | igrab(inode); | |
435 | return 0; | |
436 | } | |
437 | ||
438 | static struct xrcd_table_entry *xrcd_table_search(struct ib_uverbs_device *dev, | |
439 | struct inode *inode) | |
440 | { | |
441 | struct xrcd_table_entry *entry; | |
442 | struct rb_node *p = dev->xrcd_tree.rb_node; | |
443 | ||
444 | while (p) { | |
445 | entry = rb_entry(p, struct xrcd_table_entry, node); | |
446 | ||
447 | if (inode < entry->inode) | |
448 | p = p->rb_left; | |
449 | else if (inode > entry->inode) | |
450 | p = p->rb_right; | |
451 | else | |
452 | return entry; | |
453 | } | |
454 | ||
455 | return NULL; | |
456 | } | |
457 | ||
458 | static struct ib_xrcd *find_xrcd(struct ib_uverbs_device *dev, struct inode *inode) | |
459 | { | |
460 | struct xrcd_table_entry *entry; | |
461 | ||
462 | entry = xrcd_table_search(dev, inode); | |
463 | if (!entry) | |
464 | return NULL; | |
465 | ||
466 | return entry->xrcd; | |
467 | } | |
468 | ||
469 | static void xrcd_table_delete(struct ib_uverbs_device *dev, | |
470 | struct inode *inode) | |
471 | { | |
472 | struct xrcd_table_entry *entry; | |
473 | ||
474 | entry = xrcd_table_search(dev, inode); | |
475 | if (entry) { | |
476 | iput(inode); | |
477 | rb_erase(&entry->node, &dev->xrcd_tree); | |
478 | kfree(entry); | |
479 | } | |
480 | } | |
481 | ||
7106a976 JG |
482 | static int ib_uverbs_open_xrcd(struct uverbs_attr_bundle *attrs, |
483 | const char __user *buf, int in_len, int out_len) | |
53d0bd1e | 484 | { |
8313c10f | 485 | struct ib_uverbs_device *ibudev = attrs->ufile->device; |
53d0bd1e SH |
486 | struct ib_uverbs_open_xrcd cmd; |
487 | struct ib_uverbs_open_xrcd_resp resp; | |
53d0bd1e SH |
488 | struct ib_uxrcd_object *obj; |
489 | struct ib_xrcd *xrcd = NULL; | |
2903ff01 | 490 | struct fd f = {NULL, 0}; |
53d0bd1e | 491 | struct inode *inode = NULL; |
2903ff01 | 492 | int ret = 0; |
53d0bd1e | 493 | int new_xrcd = 0; |
bbd51e88 | 494 | struct ib_device *ib_dev; |
53d0bd1e SH |
495 | |
496 | if (out_len < sizeof resp) | |
497 | return -ENOSPC; | |
498 | ||
499 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
500 | return -EFAULT; | |
501 | ||
8313c10f | 502 | mutex_lock(&ibudev->xrcd_tree_mutex); |
53d0bd1e SH |
503 | |
504 | if (cmd.fd != -1) { | |
505 | /* search for file descriptor */ | |
2903ff01 AV |
506 | f = fdget(cmd.fd); |
507 | if (!f.file) { | |
53d0bd1e SH |
508 | ret = -EBADF; |
509 | goto err_tree_mutex_unlock; | |
510 | } | |
511 | ||
496ad9aa | 512 | inode = file_inode(f.file); |
8313c10f | 513 | xrcd = find_xrcd(ibudev, inode); |
53d0bd1e SH |
514 | if (!xrcd && !(cmd.oflags & O_CREAT)) { |
515 | /* no file descriptor. Need CREATE flag */ | |
516 | ret = -EAGAIN; | |
517 | goto err_tree_mutex_unlock; | |
518 | } | |
519 | ||
520 | if (xrcd && cmd.oflags & O_EXCL) { | |
521 | ret = -EINVAL; | |
522 | goto err_tree_mutex_unlock; | |
523 | } | |
524 | } | |
525 | ||
8313c10f | 526 | obj = (struct ib_uxrcd_object *)uobj_alloc(UVERBS_OBJECT_XRCD, attrs, |
bbd51e88 | 527 | &ib_dev); |
fd3c7904 MB |
528 | if (IS_ERR(obj)) { |
529 | ret = PTR_ERR(obj); | |
53d0bd1e SH |
530 | goto err_tree_mutex_unlock; |
531 | } | |
532 | ||
53d0bd1e | 533 | if (!xrcd) { |
ef87df2c JG |
534 | xrcd = ib_dev->alloc_xrcd(ib_dev, obj->uobject.context, |
535 | &attrs->driver_udata); | |
53d0bd1e SH |
536 | if (IS_ERR(xrcd)) { |
537 | ret = PTR_ERR(xrcd); | |
538 | goto err; | |
539 | } | |
540 | ||
541 | xrcd->inode = inode; | |
057aec0d | 542 | xrcd->device = ib_dev; |
53d0bd1e SH |
543 | atomic_set(&xrcd->usecnt, 0); |
544 | mutex_init(&xrcd->tgt_qp_mutex); | |
545 | INIT_LIST_HEAD(&xrcd->tgt_qp_list); | |
546 | new_xrcd = 1; | |
547 | } | |
548 | ||
549 | atomic_set(&obj->refcnt, 0); | |
550 | obj->uobject.object = xrcd; | |
53d0bd1e SH |
551 | memset(&resp, 0, sizeof resp); |
552 | resp.xrcd_handle = obj->uobject.id; | |
553 | ||
554 | if (inode) { | |
555 | if (new_xrcd) { | |
556 | /* create new inode/xrcd table entry */ | |
8313c10f | 557 | ret = xrcd_table_insert(ibudev, inode, xrcd); |
53d0bd1e | 558 | if (ret) |
fd3c7904 | 559 | goto err_dealloc_xrcd; |
53d0bd1e SH |
560 | } |
561 | atomic_inc(&xrcd->usecnt); | |
562 | } | |
563 | ||
40a20339 | 564 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
53d0bd1e SH |
565 | ret = -EFAULT; |
566 | goto err_copy; | |
567 | } | |
568 | ||
2903ff01 AV |
569 | if (f.file) |
570 | fdput(f); | |
53d0bd1e | 571 | |
8313c10f | 572 | mutex_unlock(&ibudev->xrcd_tree_mutex); |
1ff5325c | 573 | |
7106a976 | 574 | return uobj_alloc_commit(&obj->uobject); |
53d0bd1e SH |
575 | |
576 | err_copy: | |
577 | if (inode) { | |
578 | if (new_xrcd) | |
8313c10f | 579 | xrcd_table_delete(ibudev, inode); |
53d0bd1e SH |
580 | atomic_dec(&xrcd->usecnt); |
581 | } | |
582 | ||
fd3c7904 | 583 | err_dealloc_xrcd: |
53d0bd1e SH |
584 | ib_dealloc_xrcd(xrcd); |
585 | ||
586 | err: | |
fd3c7904 | 587 | uobj_alloc_abort(&obj->uobject); |
53d0bd1e SH |
588 | |
589 | err_tree_mutex_unlock: | |
2903ff01 AV |
590 | if (f.file) |
591 | fdput(f); | |
53d0bd1e | 592 | |
8313c10f | 593 | mutex_unlock(&ibudev->xrcd_tree_mutex); |
53d0bd1e SH |
594 | |
595 | return ret; | |
596 | } | |
597 | ||
7106a976 JG |
598 | static int ib_uverbs_close_xrcd(struct uverbs_attr_bundle *attrs, |
599 | const char __user *buf, int in_len, int out_len) | |
53d0bd1e SH |
600 | { |
601 | struct ib_uverbs_close_xrcd cmd; | |
53d0bd1e SH |
602 | |
603 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
604 | return -EFAULT; | |
605 | ||
7106a976 | 606 | return uobj_perform_destroy(UVERBS_OBJECT_XRCD, cmd.xrcd_handle, attrs); |
53d0bd1e SH |
607 | } |
608 | ||
1c77483e | 609 | int ib_uverbs_dealloc_xrcd(struct ib_uobject *uobject, |
6be60aed MB |
610 | struct ib_xrcd *xrcd, |
611 | enum rdma_remove_reason why) | |
53d0bd1e SH |
612 | { |
613 | struct inode *inode; | |
6be60aed | 614 | int ret; |
1c77483e | 615 | struct ib_uverbs_device *dev = uobject->context->ufile->device; |
53d0bd1e SH |
616 | |
617 | inode = xrcd->inode; | |
618 | if (inode && !atomic_dec_and_test(&xrcd->usecnt)) | |
6be60aed | 619 | return 0; |
53d0bd1e | 620 | |
6be60aed | 621 | ret = ib_dealloc_xrcd(xrcd); |
53d0bd1e | 622 | |
1c77483e | 623 | if (ib_is_destroy_retryable(ret, why, uobject)) { |
6be60aed | 624 | atomic_inc(&xrcd->usecnt); |
1c77483e YH |
625 | return ret; |
626 | } | |
627 | ||
628 | if (inode) | |
53d0bd1e | 629 | xrcd_table_delete(dev, inode); |
6be60aed MB |
630 | |
631 | return ret; | |
53d0bd1e SH |
632 | } |
633 | ||
7106a976 JG |
634 | static int ib_uverbs_reg_mr(struct uverbs_attr_bundle *attrs, |
635 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab RD |
636 | { |
637 | struct ib_uverbs_reg_mr cmd; | |
638 | struct ib_uverbs_reg_mr_resp resp; | |
f7c6a7b5 | 639 | struct ib_uobject *uobj; |
bc38a6ab RD |
640 | struct ib_pd *pd; |
641 | struct ib_mr *mr; | |
642 | int ret; | |
bbd51e88 | 643 | struct ib_device *ib_dev; |
bc38a6ab RD |
644 | |
645 | if (out_len < sizeof resp) | |
646 | return -ENOSPC; | |
647 | ||
648 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
649 | return -EFAULT; | |
650 | ||
bc38a6ab RD |
651 | if ((cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK)) |
652 | return -EINVAL; | |
653 | ||
1c636f80 EC |
654 | ret = ib_check_mr_access(cmd.access_flags); |
655 | if (ret) | |
656 | return ret; | |
f575394f | 657 | |
8313c10f | 658 | uobj = uobj_alloc(UVERBS_OBJECT_MR, attrs, &ib_dev); |
fd3c7904 MB |
659 | if (IS_ERR(uobj)) |
660 | return PTR_ERR(uobj); | |
bc38a6ab | 661 | |
8313c10f | 662 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, attrs); |
aaf1aef5 RD |
663 | if (!pd) { |
664 | ret = -EINVAL; | |
f7c6a7b5 | 665 | goto err_free; |
aaf1aef5 | 666 | } |
bc38a6ab | 667 | |
860f10a7 | 668 | if (cmd.access_flags & IB_ACCESS_ON_DEMAND) { |
86bee4c9 OG |
669 | if (!(pd->device->attrs.device_cap_flags & |
670 | IB_DEVICE_ON_DEMAND_PAGING)) { | |
860f10a7 SG |
671 | pr_debug("ODP support not available\n"); |
672 | ret = -EINVAL; | |
673 | goto err_put; | |
674 | } | |
675 | } | |
676 | ||
f7c6a7b5 | 677 | mr = pd->device->reg_user_mr(pd, cmd.start, cmd.length, cmd.hca_va, |
ef87df2c | 678 | cmd.access_flags, &attrs->driver_udata); |
bc38a6ab RD |
679 | if (IS_ERR(mr)) { |
680 | ret = PTR_ERR(mr); | |
9ead190b | 681 | goto err_put; |
bc38a6ab RD |
682 | } |
683 | ||
684 | mr->device = pd->device; | |
685 | mr->pd = pd; | |
54e7e48b | 686 | mr->dm = NULL; |
f7c6a7b5 | 687 | mr->uobject = uobj; |
bc38a6ab | 688 | atomic_inc(&pd->usecnt); |
fccec5b8 SW |
689 | mr->res.type = RDMA_RESTRACK_MR; |
690 | rdma_restrack_add(&mr->res); | |
bc38a6ab | 691 | |
f7c6a7b5 | 692 | uobj->object = mr; |
bc38a6ab | 693 | |
9ead190b RD |
694 | memset(&resp, 0, sizeof resp); |
695 | resp.lkey = mr->lkey; | |
696 | resp.rkey = mr->rkey; | |
f7c6a7b5 | 697 | resp.mr_handle = uobj->id; |
bc38a6ab | 698 | |
40a20339 | 699 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
bc38a6ab | 700 | ret = -EFAULT; |
9ead190b | 701 | goto err_copy; |
bc38a6ab RD |
702 | } |
703 | ||
fd3c7904 | 704 | uobj_put_obj_read(pd); |
eb9d3cd5 | 705 | |
7106a976 | 706 | return uobj_alloc_commit(uobj); |
bc38a6ab | 707 | |
9ead190b | 708 | err_copy: |
bc38a6ab RD |
709 | ib_dereg_mr(mr); |
710 | ||
9ead190b | 711 | err_put: |
fd3c7904 | 712 | uobj_put_obj_read(pd); |
bc38a6ab | 713 | |
bc38a6ab | 714 | err_free: |
fd3c7904 | 715 | uobj_alloc_abort(uobj); |
bc38a6ab RD |
716 | return ret; |
717 | } | |
718 | ||
7106a976 JG |
719 | static int ib_uverbs_rereg_mr(struct uverbs_attr_bundle *attrs, |
720 | const char __user *buf, int in_len, int out_len) | |
7e6edb9b MB |
721 | { |
722 | struct ib_uverbs_rereg_mr cmd; | |
723 | struct ib_uverbs_rereg_mr_resp resp; | |
7e6edb9b MB |
724 | struct ib_pd *pd = NULL; |
725 | struct ib_mr *mr; | |
726 | struct ib_pd *old_pd; | |
727 | int ret; | |
728 | struct ib_uobject *uobj; | |
729 | ||
730 | if (out_len < sizeof(resp)) | |
731 | return -ENOSPC; | |
732 | ||
733 | if (copy_from_user(&cmd, buf, sizeof(cmd))) | |
734 | return -EFAULT; | |
735 | ||
7e6edb9b MB |
736 | if (cmd.flags & ~IB_MR_REREG_SUPPORTED || !cmd.flags) |
737 | return -EINVAL; | |
738 | ||
739 | if ((cmd.flags & IB_MR_REREG_TRANS) && | |
740 | (!cmd.start || !cmd.hca_va || 0 >= cmd.length || | |
741 | (cmd.start & ~PAGE_MASK) != (cmd.hca_va & ~PAGE_MASK))) | |
742 | return -EINVAL; | |
743 | ||
8313c10f | 744 | uobj = uobj_get_write(UVERBS_OBJECT_MR, cmd.mr_handle, attrs); |
fd3c7904 MB |
745 | if (IS_ERR(uobj)) |
746 | return PTR_ERR(uobj); | |
7e6edb9b MB |
747 | |
748 | mr = uobj->object; | |
749 | ||
5ccbf63f AL |
750 | if (mr->dm) { |
751 | ret = -EINVAL; | |
752 | goto put_uobjs; | |
753 | } | |
754 | ||
7e6edb9b MB |
755 | if (cmd.flags & IB_MR_REREG_ACCESS) { |
756 | ret = ib_check_mr_access(cmd.access_flags); | |
757 | if (ret) | |
758 | goto put_uobjs; | |
759 | } | |
760 | ||
761 | if (cmd.flags & IB_MR_REREG_PD) { | |
2cc1e3b8 | 762 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, |
8313c10f | 763 | attrs); |
7e6edb9b MB |
764 | if (!pd) { |
765 | ret = -EINVAL; | |
766 | goto put_uobjs; | |
767 | } | |
768 | } | |
769 | ||
7e6edb9b | 770 | old_pd = mr->pd; |
ef87df2c JG |
771 | ret = mr->device->rereg_user_mr(mr, cmd.flags, cmd.start, cmd.length, |
772 | cmd.hca_va, cmd.access_flags, pd, | |
773 | &attrs->driver_udata); | |
7e6edb9b MB |
774 | if (!ret) { |
775 | if (cmd.flags & IB_MR_REREG_PD) { | |
776 | atomic_inc(&pd->usecnt); | |
777 | mr->pd = pd; | |
778 | atomic_dec(&old_pd->usecnt); | |
779 | } | |
780 | } else { | |
781 | goto put_uobj_pd; | |
782 | } | |
783 | ||
784 | memset(&resp, 0, sizeof(resp)); | |
785 | resp.lkey = mr->lkey; | |
786 | resp.rkey = mr->rkey; | |
787 | ||
40a20339 | 788 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) |
7e6edb9b MB |
789 | ret = -EFAULT; |
790 | else | |
7106a976 | 791 | ret = 0; |
7e6edb9b MB |
792 | |
793 | put_uobj_pd: | |
794 | if (cmd.flags & IB_MR_REREG_PD) | |
fd3c7904 | 795 | uobj_put_obj_read(pd); |
7e6edb9b MB |
796 | |
797 | put_uobjs: | |
fd3c7904 | 798 | uobj_put_write(uobj); |
7e6edb9b MB |
799 | |
800 | return ret; | |
801 | } | |
802 | ||
7106a976 JG |
803 | static int ib_uverbs_dereg_mr(struct uverbs_attr_bundle *attrs, |
804 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab RD |
805 | { |
806 | struct ib_uverbs_dereg_mr cmd; | |
bc38a6ab RD |
807 | |
808 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
809 | return -EFAULT; | |
810 | ||
7106a976 | 811 | return uobj_perform_destroy(UVERBS_OBJECT_MR, cmd.mr_handle, attrs); |
bc38a6ab RD |
812 | } |
813 | ||
7106a976 JG |
814 | static int ib_uverbs_alloc_mw(struct uverbs_attr_bundle *attrs, |
815 | const char __user *buf, int in_len, int out_len) | |
6b52a12b SM |
816 | { |
817 | struct ib_uverbs_alloc_mw cmd; | |
818 | struct ib_uverbs_alloc_mw_resp resp; | |
819 | struct ib_uobject *uobj; | |
820 | struct ib_pd *pd; | |
821 | struct ib_mw *mw; | |
822 | int ret; | |
bbd51e88 | 823 | struct ib_device *ib_dev; |
6b52a12b SM |
824 | |
825 | if (out_len < sizeof(resp)) | |
826 | return -ENOSPC; | |
827 | ||
828 | if (copy_from_user(&cmd, buf, sizeof(cmd))) | |
829 | return -EFAULT; | |
830 | ||
8313c10f | 831 | uobj = uobj_alloc(UVERBS_OBJECT_MW, attrs, &ib_dev); |
fd3c7904 MB |
832 | if (IS_ERR(uobj)) |
833 | return PTR_ERR(uobj); | |
6b52a12b | 834 | |
8313c10f | 835 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, attrs); |
6b52a12b SM |
836 | if (!pd) { |
837 | ret = -EINVAL; | |
838 | goto err_free; | |
839 | } | |
840 | ||
ef87df2c | 841 | mw = pd->device->alloc_mw(pd, cmd.mw_type, &attrs->driver_udata); |
6b52a12b SM |
842 | if (IS_ERR(mw)) { |
843 | ret = PTR_ERR(mw); | |
844 | goto err_put; | |
845 | } | |
846 | ||
847 | mw->device = pd->device; | |
848 | mw->pd = pd; | |
849 | mw->uobject = uobj; | |
850 | atomic_inc(&pd->usecnt); | |
851 | ||
852 | uobj->object = mw; | |
6b52a12b SM |
853 | |
854 | memset(&resp, 0, sizeof(resp)); | |
855 | resp.rkey = mw->rkey; | |
856 | resp.mw_handle = uobj->id; | |
857 | ||
40a20339 | 858 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) { |
6b52a12b SM |
859 | ret = -EFAULT; |
860 | goto err_copy; | |
861 | } | |
862 | ||
fd3c7904 | 863 | uobj_put_obj_read(pd); |
7106a976 | 864 | return uobj_alloc_commit(uobj); |
6b52a12b SM |
865 | |
866 | err_copy: | |
feb7c1e3 | 867 | uverbs_dealloc_mw(mw); |
6b52a12b | 868 | err_put: |
fd3c7904 | 869 | uobj_put_obj_read(pd); |
6b52a12b | 870 | err_free: |
fd3c7904 | 871 | uobj_alloc_abort(uobj); |
6b52a12b SM |
872 | return ret; |
873 | } | |
874 | ||
7106a976 JG |
875 | static int ib_uverbs_dealloc_mw(struct uverbs_attr_bundle *attrs, |
876 | const char __user *buf, int in_len, int out_len) | |
6b52a12b SM |
877 | { |
878 | struct ib_uverbs_dealloc_mw cmd; | |
6b52a12b SM |
879 | |
880 | if (copy_from_user(&cmd, buf, sizeof(cmd))) | |
881 | return -EFAULT; | |
882 | ||
7106a976 | 883 | return uobj_perform_destroy(UVERBS_OBJECT_MW, cmd.mw_handle, attrs); |
6b52a12b SM |
884 | } |
885 | ||
7106a976 JG |
886 | static int ib_uverbs_create_comp_channel(struct uverbs_attr_bundle *attrs, |
887 | const char __user *buf, int in_len, | |
888 | int out_len) | |
6b73597e RD |
889 | { |
890 | struct ib_uverbs_create_comp_channel cmd; | |
891 | struct ib_uverbs_create_comp_channel_resp resp; | |
1e7710f3 MB |
892 | struct ib_uobject *uobj; |
893 | struct ib_uverbs_completion_event_file *ev_file; | |
bbd51e88 | 894 | struct ib_device *ib_dev; |
6b73597e RD |
895 | |
896 | if (out_len < sizeof resp) | |
897 | return -ENOSPC; | |
898 | ||
899 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
900 | return -EFAULT; | |
901 | ||
8313c10f | 902 | uobj = uobj_alloc(UVERBS_OBJECT_COMP_CHANNEL, attrs, &ib_dev); |
1e7710f3 MB |
903 | if (IS_ERR(uobj)) |
904 | return PTR_ERR(uobj); | |
b1e4594b | 905 | |
1e7710f3 MB |
906 | resp.fd = uobj->id; |
907 | ||
908 | ev_file = container_of(uobj, struct ib_uverbs_completion_event_file, | |
d0259e82 | 909 | uobj); |
db1b5ddd | 910 | ib_uverbs_init_event_queue(&ev_file->ev_queue); |
6b73597e | 911 | |
40a20339 | 912 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
1e7710f3 | 913 | uobj_alloc_abort(uobj); |
6b73597e RD |
914 | return -EFAULT; |
915 | } | |
916 | ||
7106a976 | 917 | return uobj_alloc_commit(uobj); |
6b73597e RD |
918 | } |
919 | ||
8313c10f | 920 | static struct ib_ucq_object *create_cq(struct uverbs_attr_bundle *attrs, |
565197dd | 921 | struct ib_udata *ucore, |
565197dd MB |
922 | struct ib_uverbs_ex_create_cq *cmd, |
923 | size_t cmd_sz, | |
8313c10f | 924 | int (*cb)(struct uverbs_attr_bundle *attrs, |
565197dd MB |
925 | struct ib_ucq_object *obj, |
926 | struct ib_uverbs_ex_create_cq_resp *resp, | |
ef87df2c | 927 | struct ib_udata *ucore, |
565197dd MB |
928 | void *context), |
929 | void *context) | |
bc38a6ab | 930 | { |
9ead190b | 931 | struct ib_ucq_object *obj; |
1e7710f3 | 932 | struct ib_uverbs_completion_event_file *ev_file = NULL; |
bc38a6ab RD |
933 | struct ib_cq *cq; |
934 | int ret; | |
565197dd | 935 | struct ib_uverbs_ex_create_cq_resp resp; |
bcf4c1ea | 936 | struct ib_cq_init_attr attr = {}; |
bbd51e88 | 937 | struct ib_device *ib_dev; |
21885586 | 938 | |
8313c10f | 939 | if (cmd->comp_vector >= attrs->ufile->device->num_comp_vectors) |
565197dd | 940 | return ERR_PTR(-EINVAL); |
bc38a6ab | 941 | |
8313c10f | 942 | obj = (struct ib_ucq_object *)uobj_alloc(UVERBS_OBJECT_CQ, attrs, |
bbd51e88 | 943 | &ib_dev); |
fd3c7904 MB |
944 | if (IS_ERR(obj)) |
945 | return obj; | |
9ead190b | 946 | |
565197dd | 947 | if (cmd->comp_channel >= 0) { |
8313c10f | 948 | ev_file = ib_uverbs_lookup_comp_file(cmd->comp_channel, attrs); |
1e7710f3 MB |
949 | if (IS_ERR(ev_file)) { |
950 | ret = PTR_ERR(ev_file); | |
ac4e7b35 JM |
951 | goto err; |
952 | } | |
953 | } | |
954 | ||
fd3c7904 | 955 | obj->uobject.user_handle = cmd->user_handle; |
9ead190b RD |
956 | obj->comp_events_reported = 0; |
957 | obj->async_events_reported = 0; | |
958 | INIT_LIST_HEAD(&obj->comp_list); | |
959 | INIT_LIST_HEAD(&obj->async_list); | |
bc38a6ab | 960 | |
565197dd MB |
961 | attr.cqe = cmd->cqe; |
962 | attr.comp_vector = cmd->comp_vector; | |
963 | ||
964 | if (cmd_sz > offsetof(typeof(*cmd), flags) + sizeof(cmd->flags)) | |
965 | attr.flags = cmd->flags; | |
966 | ||
ef87df2c JG |
967 | cq = ib_dev->create_cq(ib_dev, &attr, obj->uobject.context, |
968 | &attrs->driver_udata); | |
bc38a6ab RD |
969 | if (IS_ERR(cq)) { |
970 | ret = PTR_ERR(cq); | |
9ead190b | 971 | goto err_file; |
bc38a6ab RD |
972 | } |
973 | ||
057aec0d | 974 | cq->device = ib_dev; |
9ead190b | 975 | cq->uobject = &obj->uobject; |
bc38a6ab RD |
976 | cq->comp_handler = ib_uverbs_comp_handler; |
977 | cq->event_handler = ib_uverbs_cq_event_handler; | |
699a2d5b | 978 | cq->cq_context = ev_file ? &ev_file->ev_queue : NULL; |
bc38a6ab RD |
979 | atomic_set(&cq->usecnt, 0); |
980 | ||
9ead190b | 981 | obj->uobject.object = cq; |
bc38a6ab | 982 | memset(&resp, 0, sizeof resp); |
565197dd MB |
983 | resp.base.cq_handle = obj->uobject.id; |
984 | resp.base.cqe = cq->cqe; | |
bc38a6ab | 985 | |
565197dd MB |
986 | resp.response_length = offsetof(typeof(resp), response_length) + |
987 | sizeof(resp.response_length); | |
988 | ||
0cba0efc LR |
989 | cq->res.type = RDMA_RESTRACK_CQ; |
990 | rdma_restrack_add(&cq->res); | |
991 | ||
8313c10f | 992 | ret = cb(attrs, obj, &resp, ucore, context); |
565197dd MB |
993 | if (ret) |
994 | goto err_cb; | |
bc38a6ab | 995 | |
7106a976 | 996 | ret = uobj_alloc_commit(&obj->uobject); |
2c96eb7d JG |
997 | if (ret) |
998 | return ERR_PTR(ret); | |
565197dd | 999 | return obj; |
eb9d3cd5 | 1000 | |
565197dd | 1001 | err_cb: |
bc38a6ab RD |
1002 | ib_destroy_cq(cq); |
1003 | ||
9ead190b | 1004 | err_file: |
ac4e7b35 | 1005 | if (ev_file) |
8313c10f | 1006 | ib_uverbs_release_ucq(attrs->ufile, ev_file, obj); |
9ead190b RD |
1007 | |
1008 | err: | |
fd3c7904 | 1009 | uobj_alloc_abort(&obj->uobject); |
565197dd MB |
1010 | |
1011 | return ERR_PTR(ret); | |
1012 | } | |
1013 | ||
8313c10f | 1014 | static int ib_uverbs_create_cq_cb(struct uverbs_attr_bundle *attrs, |
565197dd MB |
1015 | struct ib_ucq_object *obj, |
1016 | struct ib_uverbs_ex_create_cq_resp *resp, | |
1017 | struct ib_udata *ucore, void *context) | |
1018 | { | |
1019 | if (ib_copy_to_udata(ucore, &resp->base, sizeof(resp->base))) | |
1020 | return -EFAULT; | |
1021 | ||
1022 | return 0; | |
1023 | } | |
1024 | ||
7106a976 JG |
1025 | static int ib_uverbs_create_cq(struct uverbs_attr_bundle *attrs, |
1026 | const char __user *buf, int in_len, int out_len) | |
565197dd MB |
1027 | { |
1028 | struct ib_uverbs_create_cq cmd; | |
1029 | struct ib_uverbs_ex_create_cq cmd_ex; | |
1030 | struct ib_uverbs_create_cq_resp resp; | |
1031 | struct ib_udata ucore; | |
565197dd MB |
1032 | struct ib_ucq_object *obj; |
1033 | ||
1034 | if (out_len < sizeof(resp)) | |
1035 | return -ENOSPC; | |
1036 | ||
1037 | if (copy_from_user(&cmd, buf, sizeof(cmd))) | |
1038 | return -EFAULT; | |
1039 | ||
40a20339 AB |
1040 | ib_uverbs_init_udata(&ucore, buf, u64_to_user_ptr(cmd.response), |
1041 | sizeof(cmd), sizeof(resp)); | |
565197dd | 1042 | |
565197dd MB |
1043 | memset(&cmd_ex, 0, sizeof(cmd_ex)); |
1044 | cmd_ex.user_handle = cmd.user_handle; | |
1045 | cmd_ex.cqe = cmd.cqe; | |
1046 | cmd_ex.comp_vector = cmd.comp_vector; | |
1047 | cmd_ex.comp_channel = cmd.comp_channel; | |
1048 | ||
ef87df2c | 1049 | obj = create_cq(attrs, &ucore, &cmd_ex, |
565197dd | 1050 | offsetof(typeof(cmd_ex), comp_channel) + |
ef87df2c JG |
1051 | sizeof(cmd.comp_channel), |
1052 | ib_uverbs_create_cq_cb, NULL); | |
90849f4d | 1053 | return PTR_ERR_OR_ZERO(obj); |
565197dd MB |
1054 | } |
1055 | ||
8313c10f | 1056 | static int ib_uverbs_ex_create_cq_cb(struct uverbs_attr_bundle *attrs, |
565197dd MB |
1057 | struct ib_ucq_object *obj, |
1058 | struct ib_uverbs_ex_create_cq_resp *resp, | |
1059 | struct ib_udata *ucore, void *context) | |
1060 | { | |
1061 | if (ib_copy_to_udata(ucore, resp, resp->response_length)) | |
1062 | return -EFAULT; | |
1063 | ||
1064 | return 0; | |
1065 | } | |
1066 | ||
8313c10f | 1067 | static int ib_uverbs_ex_create_cq(struct uverbs_attr_bundle *attrs, |
ef87df2c | 1068 | struct ib_udata *ucore) |
565197dd MB |
1069 | { |
1070 | struct ib_uverbs_ex_create_cq_resp resp; | |
1071 | struct ib_uverbs_ex_create_cq cmd; | |
1072 | struct ib_ucq_object *obj; | |
1073 | int err; | |
1074 | ||
1075 | if (ucore->inlen < sizeof(cmd)) | |
1076 | return -EINVAL; | |
1077 | ||
1078 | err = ib_copy_from_udata(&cmd, ucore, sizeof(cmd)); | |
1079 | if (err) | |
1080 | return err; | |
1081 | ||
1082 | if (cmd.comp_mask) | |
1083 | return -EINVAL; | |
1084 | ||
1085 | if (cmd.reserved) | |
1086 | return -EINVAL; | |
1087 | ||
1088 | if (ucore->outlen < (offsetof(typeof(resp), response_length) + | |
1089 | sizeof(resp.response_length))) | |
1090 | return -ENOSPC; | |
1091 | ||
ef87df2c | 1092 | obj = create_cq(attrs, ucore, &cmd, min(ucore->inlen, sizeof(cmd)), |
565197dd MB |
1093 | ib_uverbs_ex_create_cq_cb, NULL); |
1094 | ||
f4cd9d58 | 1095 | return PTR_ERR_OR_ZERO(obj); |
bc38a6ab RD |
1096 | } |
1097 | ||
7106a976 JG |
1098 | static int ib_uverbs_resize_cq(struct uverbs_attr_bundle *attrs, |
1099 | const char __user *buf, int in_len, int out_len) | |
33b9b3ee RD |
1100 | { |
1101 | struct ib_uverbs_resize_cq cmd; | |
f7a6cb7b | 1102 | struct ib_uverbs_resize_cq_resp resp = {}; |
33b9b3ee RD |
1103 | struct ib_cq *cq; |
1104 | int ret = -EINVAL; | |
1105 | ||
1106 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1107 | return -EFAULT; | |
1108 | ||
8313c10f | 1109 | cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
9ead190b RD |
1110 | if (!cq) |
1111 | return -EINVAL; | |
33b9b3ee | 1112 | |
ef87df2c | 1113 | ret = cq->device->resize_cq(cq, cmd.cqe, &attrs->driver_udata); |
33b9b3ee RD |
1114 | if (ret) |
1115 | goto out; | |
1116 | ||
33b9b3ee RD |
1117 | resp.cqe = cq->cqe; |
1118 | ||
40a20339 | 1119 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp.cqe)) |
33b9b3ee RD |
1120 | ret = -EFAULT; |
1121 | ||
1122 | out: | |
fd3c7904 | 1123 | uobj_put_obj_read(cq); |
33b9b3ee | 1124 | |
7106a976 | 1125 | return ret; |
33b9b3ee RD |
1126 | } |
1127 | ||
7db20ecd HD |
1128 | static int copy_wc_to_user(struct ib_device *ib_dev, void __user *dest, |
1129 | struct ib_wc *wc) | |
7182afea DC |
1130 | { |
1131 | struct ib_uverbs_wc tmp; | |
1132 | ||
1133 | tmp.wr_id = wc->wr_id; | |
1134 | tmp.status = wc->status; | |
1135 | tmp.opcode = wc->opcode; | |
1136 | tmp.vendor_err = wc->vendor_err; | |
1137 | tmp.byte_len = wc->byte_len; | |
c966ea12 | 1138 | tmp.ex.imm_data = wc->ex.imm_data; |
7182afea DC |
1139 | tmp.qp_num = wc->qp->qp_num; |
1140 | tmp.src_qp = wc->src_qp; | |
1141 | tmp.wc_flags = wc->wc_flags; | |
1142 | tmp.pkey_index = wc->pkey_index; | |
7db20ecd | 1143 | if (rdma_cap_opa_ah(ib_dev, wc->port_num)) |
62ede777 | 1144 | tmp.slid = OPA_TO_IB_UCAST_LID(wc->slid); |
7db20ecd | 1145 | else |
62ede777 | 1146 | tmp.slid = ib_lid_cpu16(wc->slid); |
7182afea DC |
1147 | tmp.sl = wc->sl; |
1148 | tmp.dlid_path_bits = wc->dlid_path_bits; | |
1149 | tmp.port_num = wc->port_num; | |
1150 | tmp.reserved = 0; | |
1151 | ||
1152 | if (copy_to_user(dest, &tmp, sizeof tmp)) | |
1153 | return -EFAULT; | |
1154 | ||
1155 | return 0; | |
1156 | } | |
1157 | ||
7106a976 JG |
1158 | static int ib_uverbs_poll_cq(struct uverbs_attr_bundle *attrs, |
1159 | const char __user *buf, int in_len, int out_len) | |
67cdb40c RD |
1160 | { |
1161 | struct ib_uverbs_poll_cq cmd; | |
7182afea DC |
1162 | struct ib_uverbs_poll_cq_resp resp; |
1163 | u8 __user *header_ptr; | |
1164 | u8 __user *data_ptr; | |
67cdb40c | 1165 | struct ib_cq *cq; |
7182afea DC |
1166 | struct ib_wc wc; |
1167 | int ret; | |
67cdb40c RD |
1168 | |
1169 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1170 | return -EFAULT; | |
1171 | ||
8313c10f | 1172 | cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
7182afea DC |
1173 | if (!cq) |
1174 | return -EINVAL; | |
67cdb40c | 1175 | |
7182afea | 1176 | /* we copy a struct ib_uverbs_poll_cq_resp to user space */ |
40a20339 | 1177 | header_ptr = u64_to_user_ptr(cmd.response); |
7182afea | 1178 | data_ptr = header_ptr + sizeof resp; |
9ead190b | 1179 | |
7182afea DC |
1180 | memset(&resp, 0, sizeof resp); |
1181 | while (resp.count < cmd.ne) { | |
1182 | ret = ib_poll_cq(cq, 1, &wc); | |
1183 | if (ret < 0) | |
1184 | goto out_put; | |
1185 | if (!ret) | |
1186 | break; | |
1187 | ||
bbd51e88 | 1188 | ret = copy_wc_to_user(cq->device, data_ptr, &wc); |
7182afea DC |
1189 | if (ret) |
1190 | goto out_put; | |
1191 | ||
1192 | data_ptr += sizeof(struct ib_uverbs_wc); | |
1193 | ++resp.count; | |
67cdb40c RD |
1194 | } |
1195 | ||
7182afea | 1196 | if (copy_to_user(header_ptr, &resp, sizeof resp)) { |
67cdb40c | 1197 | ret = -EFAULT; |
7182afea DC |
1198 | goto out_put; |
1199 | } | |
67cdb40c | 1200 | |
7106a976 | 1201 | ret = 0; |
67cdb40c | 1202 | |
7182afea | 1203 | out_put: |
fd3c7904 | 1204 | uobj_put_obj_read(cq); |
7182afea | 1205 | return ret; |
67cdb40c RD |
1206 | } |
1207 | ||
7106a976 JG |
1208 | static int ib_uverbs_req_notify_cq(struct uverbs_attr_bundle *attrs, |
1209 | const char __user *buf, int in_len, | |
1210 | int out_len) | |
67cdb40c RD |
1211 | { |
1212 | struct ib_uverbs_req_notify_cq cmd; | |
1213 | struct ib_cq *cq; | |
67cdb40c RD |
1214 | |
1215 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1216 | return -EFAULT; | |
1217 | ||
8313c10f | 1218 | cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
ab108676 | 1219 | if (!cq) |
9ead190b | 1220 | return -EINVAL; |
67cdb40c | 1221 | |
9ead190b RD |
1222 | ib_req_notify_cq(cq, cmd.solicited_only ? |
1223 | IB_CQ_SOLICITED : IB_CQ_NEXT_COMP); | |
1224 | ||
fd3c7904 | 1225 | uobj_put_obj_read(cq); |
9ead190b | 1226 | |
7106a976 | 1227 | return 0; |
67cdb40c RD |
1228 | } |
1229 | ||
7106a976 JG |
1230 | static int ib_uverbs_destroy_cq(struct uverbs_attr_bundle *attrs, |
1231 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab | 1232 | { |
63aaf647 RD |
1233 | struct ib_uverbs_destroy_cq cmd; |
1234 | struct ib_uverbs_destroy_cq_resp resp; | |
9ead190b | 1235 | struct ib_uobject *uobj; |
9ead190b | 1236 | struct ib_ucq_object *obj; |
bc38a6ab RD |
1237 | |
1238 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1239 | return -EFAULT; | |
1240 | ||
8313c10f | 1241 | uobj = uobj_get_destroy(UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
fd3c7904 MB |
1242 | if (IS_ERR(uobj)) |
1243 | return PTR_ERR(uobj); | |
1244 | ||
32ed5c00 | 1245 | obj = container_of(uobj, struct ib_ucq_object, uobject); |
fd3c7904 | 1246 | memset(&resp, 0, sizeof(resp)); |
9ead190b RD |
1247 | resp.comp_events_reported = obj->comp_events_reported; |
1248 | resp.async_events_reported = obj->async_events_reported; | |
63aaf647 | 1249 | |
32ed5c00 JG |
1250 | uobj_put_destroy(uobj); |
1251 | ||
40a20339 | 1252 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
9ead190b | 1253 | return -EFAULT; |
bc38a6ab | 1254 | |
7106a976 | 1255 | return 0; |
bc38a6ab RD |
1256 | } |
1257 | ||
8313c10f | 1258 | static int create_qp(struct uverbs_attr_bundle *attrs, |
6d8a7497 | 1259 | struct ib_udata *ucore, |
6d8a7497 EBE |
1260 | struct ib_uverbs_ex_create_qp *cmd, |
1261 | size_t cmd_sz, | |
8313c10f | 1262 | int (*cb)(struct uverbs_attr_bundle *attrs, |
6d8a7497 EBE |
1263 | struct ib_uverbs_ex_create_qp_resp *resp, |
1264 | struct ib_udata *udata), | |
1265 | void *context) | |
bc38a6ab | 1266 | { |
6d8a7497 EBE |
1267 | struct ib_uqp_object *obj; |
1268 | struct ib_device *device; | |
1269 | struct ib_pd *pd = NULL; | |
1270 | struct ib_xrcd *xrcd = NULL; | |
fd3c7904 | 1271 | struct ib_uobject *xrcd_uobj = ERR_PTR(-ENOENT); |
6d8a7497 EBE |
1272 | struct ib_cq *scq = NULL, *rcq = NULL; |
1273 | struct ib_srq *srq = NULL; | |
1274 | struct ib_qp *qp; | |
1275 | char *buf; | |
c70285f8 | 1276 | struct ib_qp_init_attr attr = {}; |
6d8a7497 EBE |
1277 | struct ib_uverbs_ex_create_qp_resp resp; |
1278 | int ret; | |
c70285f8 YH |
1279 | struct ib_rwq_ind_table *ind_tbl = NULL; |
1280 | bool has_sq = true; | |
bbd51e88 | 1281 | struct ib_device *ib_dev; |
6d8a7497 EBE |
1282 | |
1283 | if (cmd->qp_type == IB_QPT_RAW_PACKET && !capable(CAP_NET_RAW)) | |
c938a616 OG |
1284 | return -EPERM; |
1285 | ||
8313c10f | 1286 | obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, attrs, |
bbd51e88 | 1287 | &ib_dev); |
fd3c7904 MB |
1288 | if (IS_ERR(obj)) |
1289 | return PTR_ERR(obj); | |
1290 | obj->uxrcd = NULL; | |
1291 | obj->uevent.uobject.user_handle = cmd->user_handle; | |
f48b7269 | 1292 | mutex_init(&obj->mcast_lock); |
bc38a6ab | 1293 | |
c70285f8 YH |
1294 | if (cmd_sz >= offsetof(typeof(*cmd), rwq_ind_tbl_handle) + |
1295 | sizeof(cmd->rwq_ind_tbl_handle) && | |
1296 | (cmd->comp_mask & IB_UVERBS_CREATE_QP_MASK_IND_TABLE)) { | |
2cc1e3b8 JG |
1297 | ind_tbl = uobj_get_obj_read(rwq_ind_table, |
1298 | UVERBS_OBJECT_RWQ_IND_TBL, | |
8313c10f | 1299 | cmd->rwq_ind_tbl_handle, attrs); |
c70285f8 YH |
1300 | if (!ind_tbl) { |
1301 | ret = -EINVAL; | |
1302 | goto err_put; | |
1303 | } | |
1304 | ||
1305 | attr.rwq_ind_tbl = ind_tbl; | |
1306 | } | |
1307 | ||
2dee0e54 YH |
1308 | if (cmd_sz > sizeof(*cmd) && |
1309 | !ib_is_udata_cleared(ucore, sizeof(*cmd), | |
1310 | cmd_sz - sizeof(*cmd))) { | |
c70285f8 YH |
1311 | ret = -EOPNOTSUPP; |
1312 | goto err_put; | |
1313 | } | |
1314 | ||
1315 | if (ind_tbl && (cmd->max_recv_wr || cmd->max_recv_sge || cmd->is_srq)) { | |
1316 | ret = -EINVAL; | |
1317 | goto err_put; | |
1318 | } | |
1319 | ||
1320 | if (ind_tbl && !cmd->max_send_wr) | |
1321 | has_sq = false; | |
bc38a6ab | 1322 | |
6d8a7497 | 1323 | if (cmd->qp_type == IB_QPT_XRC_TGT) { |
1f7ff9d5 | 1324 | xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->pd_handle, |
8313c10f | 1325 | attrs); |
fd3c7904 MB |
1326 | |
1327 | if (IS_ERR(xrcd_uobj)) { | |
1328 | ret = -EINVAL; | |
1329 | goto err_put; | |
1330 | } | |
1331 | ||
1332 | xrcd = (struct ib_xrcd *)xrcd_uobj->object; | |
b93f3c18 SH |
1333 | if (!xrcd) { |
1334 | ret = -EINVAL; | |
1335 | goto err_put; | |
1336 | } | |
1337 | device = xrcd->device; | |
9977f4f6 | 1338 | } else { |
6d8a7497 EBE |
1339 | if (cmd->qp_type == IB_QPT_XRC_INI) { |
1340 | cmd->max_recv_wr = 0; | |
1341 | cmd->max_recv_sge = 0; | |
b93f3c18 | 1342 | } else { |
6d8a7497 | 1343 | if (cmd->is_srq) { |
2cc1e3b8 | 1344 | srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, |
8313c10f | 1345 | cmd->srq_handle, attrs); |
38eb44fa | 1346 | if (!srq || srq->srq_type == IB_SRQT_XRC) { |
b93f3c18 SH |
1347 | ret = -EINVAL; |
1348 | goto err_put; | |
1349 | } | |
1350 | } | |
5909ce54 | 1351 | |
c70285f8 YH |
1352 | if (!ind_tbl) { |
1353 | if (cmd->recv_cq_handle != cmd->send_cq_handle) { | |
2cc1e3b8 JG |
1354 | rcq = uobj_get_obj_read( |
1355 | cq, UVERBS_OBJECT_CQ, | |
8313c10f | 1356 | cmd->recv_cq_handle, attrs); |
c70285f8 YH |
1357 | if (!rcq) { |
1358 | ret = -EINVAL; | |
1359 | goto err_put; | |
1360 | } | |
5909ce54 | 1361 | } |
9977f4f6 SH |
1362 | } |
1363 | } | |
5909ce54 | 1364 | |
c70285f8 | 1365 | if (has_sq) |
2cc1e3b8 | 1366 | scq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, |
8313c10f | 1367 | cmd->send_cq_handle, attrs); |
c70285f8 YH |
1368 | if (!ind_tbl) |
1369 | rcq = rcq ?: scq; | |
2cc1e3b8 | 1370 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, |
8313c10f | 1371 | attrs); |
c70285f8 | 1372 | if (!pd || (!scq && has_sq)) { |
5909ce54 RD |
1373 | ret = -EINVAL; |
1374 | goto err_put; | |
1375 | } | |
1376 | ||
b93f3c18 | 1377 | device = pd->device; |
9977f4f6 SH |
1378 | } |
1379 | ||
bc38a6ab | 1380 | attr.event_handler = ib_uverbs_qp_event_handler; |
8313c10f | 1381 | attr.qp_context = attrs->ufile; |
bc38a6ab RD |
1382 | attr.send_cq = scq; |
1383 | attr.recv_cq = rcq; | |
f520ba5a | 1384 | attr.srq = srq; |
b93f3c18 | 1385 | attr.xrcd = xrcd; |
6d8a7497 EBE |
1386 | attr.sq_sig_type = cmd->sq_sig_all ? IB_SIGNAL_ALL_WR : |
1387 | IB_SIGNAL_REQ_WR; | |
1388 | attr.qp_type = cmd->qp_type; | |
b846f25a | 1389 | attr.create_flags = 0; |
bc38a6ab | 1390 | |
6d8a7497 EBE |
1391 | attr.cap.max_send_wr = cmd->max_send_wr; |
1392 | attr.cap.max_recv_wr = cmd->max_recv_wr; | |
1393 | attr.cap.max_send_sge = cmd->max_send_sge; | |
1394 | attr.cap.max_recv_sge = cmd->max_recv_sge; | |
1395 | attr.cap.max_inline_data = cmd->max_inline_data; | |
bc38a6ab | 1396 | |
9ead190b RD |
1397 | obj->uevent.events_reported = 0; |
1398 | INIT_LIST_HEAD(&obj->uevent.event_list); | |
1399 | INIT_LIST_HEAD(&obj->mcast_list); | |
bc38a6ab | 1400 | |
6d8a7497 EBE |
1401 | if (cmd_sz >= offsetof(typeof(*cmd), create_flags) + |
1402 | sizeof(cmd->create_flags)) | |
1403 | attr.create_flags = cmd->create_flags; | |
1404 | ||
8a06ce59 LR |
1405 | if (attr.create_flags & ~(IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK | |
1406 | IB_QP_CREATE_CROSS_CHANNEL | | |
1407 | IB_QP_CREATE_MANAGED_SEND | | |
b531b909 | 1408 | IB_QP_CREATE_MANAGED_RECV | |
9e1b161f | 1409 | IB_QP_CREATE_SCATTER_FCS | |
2dee0e54 | 1410 | IB_QP_CREATE_CVLAN_STRIPPING | |
e1d2e887 NO |
1411 | IB_QP_CREATE_SOURCE_QPN | |
1412 | IB_QP_CREATE_PCI_WRITE_END_PADDING)) { | |
6d8a7497 EBE |
1413 | ret = -EINVAL; |
1414 | goto err_put; | |
1415 | } | |
1416 | ||
2dee0e54 YH |
1417 | if (attr.create_flags & IB_QP_CREATE_SOURCE_QPN) { |
1418 | if (!capable(CAP_NET_RAW)) { | |
1419 | ret = -EPERM; | |
1420 | goto err_put; | |
1421 | } | |
1422 | ||
1423 | attr.source_qpn = cmd->source_qpn; | |
1424 | } | |
1425 | ||
6d8a7497 EBE |
1426 | buf = (void *)cmd + sizeof(*cmd); |
1427 | if (cmd_sz > sizeof(*cmd)) | |
1428 | if (!(buf[0] == 0 && !memcmp(buf, buf + 1, | |
1429 | cmd_sz - sizeof(*cmd) - 1))) { | |
1430 | ret = -EINVAL; | |
1431 | goto err_put; | |
1432 | } | |
1433 | ||
1434 | if (cmd->qp_type == IB_QPT_XRC_TGT) | |
b93f3c18 SH |
1435 | qp = ib_create_qp(pd, &attr); |
1436 | else | |
ef87df2c | 1437 | qp = _ib_create_qp(device, pd, &attr, &attrs->driver_udata, |
2f08ee36 | 1438 | &obj->uevent.uobject); |
b93f3c18 | 1439 | |
bc38a6ab RD |
1440 | if (IS_ERR(qp)) { |
1441 | ret = PTR_ERR(qp); | |
fd3c7904 | 1442 | goto err_put; |
bc38a6ab RD |
1443 | } |
1444 | ||
6d8a7497 | 1445 | if (cmd->qp_type != IB_QPT_XRC_TGT) { |
d291f1a6 DJ |
1446 | ret = ib_create_qp_security(qp, device); |
1447 | if (ret) | |
1448 | goto err_cb; | |
1449 | ||
0e0ec7e0 | 1450 | qp->real_qp = qp; |
b93f3c18 SH |
1451 | qp->pd = pd; |
1452 | qp->send_cq = attr.send_cq; | |
1453 | qp->recv_cq = attr.recv_cq; | |
1454 | qp->srq = attr.srq; | |
c70285f8 | 1455 | qp->rwq_ind_tbl = ind_tbl; |
b93f3c18 SH |
1456 | qp->event_handler = attr.event_handler; |
1457 | qp->qp_context = attr.qp_context; | |
1458 | qp->qp_type = attr.qp_type; | |
e47e321a | 1459 | atomic_set(&qp->usecnt, 0); |
b93f3c18 | 1460 | atomic_inc(&pd->usecnt); |
498ca3c8 | 1461 | qp->port = 0; |
c70285f8 YH |
1462 | if (attr.send_cq) |
1463 | atomic_inc(&attr.send_cq->usecnt); | |
b93f3c18 SH |
1464 | if (attr.recv_cq) |
1465 | atomic_inc(&attr.recv_cq->usecnt); | |
1466 | if (attr.srq) | |
1467 | atomic_inc(&attr.srq->usecnt); | |
c70285f8 YH |
1468 | if (ind_tbl) |
1469 | atomic_inc(&ind_tbl->usecnt); | |
f4576587 LR |
1470 | } else { |
1471 | /* It is done in _ib_create_qp for other QP types */ | |
1472 | qp->uobject = &obj->uevent.uobject; | |
b93f3c18 | 1473 | } |
bc38a6ab | 1474 | |
9ead190b | 1475 | obj->uevent.uobject.object = qp; |
bc38a6ab | 1476 | |
9ead190b | 1477 | memset(&resp, 0, sizeof resp); |
6d8a7497 EBE |
1478 | resp.base.qpn = qp->qp_num; |
1479 | resp.base.qp_handle = obj->uevent.uobject.id; | |
1480 | resp.base.max_recv_sge = attr.cap.max_recv_sge; | |
1481 | resp.base.max_send_sge = attr.cap.max_send_sge; | |
1482 | resp.base.max_recv_wr = attr.cap.max_recv_wr; | |
1483 | resp.base.max_send_wr = attr.cap.max_send_wr; | |
1484 | resp.base.max_inline_data = attr.cap.max_inline_data; | |
bc38a6ab | 1485 | |
6d8a7497 EBE |
1486 | resp.response_length = offsetof(typeof(resp), response_length) + |
1487 | sizeof(resp.response_length); | |
1488 | ||
8313c10f | 1489 | ret = cb(attrs, &resp, ucore); |
6d8a7497 EBE |
1490 | if (ret) |
1491 | goto err_cb; | |
bc38a6ab | 1492 | |
846be90d YH |
1493 | if (xrcd) { |
1494 | obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, | |
1495 | uobject); | |
1496 | atomic_inc(&obj->uxrcd->refcnt); | |
fd3c7904 | 1497 | uobj_put_read(xrcd_uobj); |
846be90d YH |
1498 | } |
1499 | ||
b93f3c18 | 1500 | if (pd) |
fd3c7904 | 1501 | uobj_put_obj_read(pd); |
b93f3c18 | 1502 | if (scq) |
fd3c7904 | 1503 | uobj_put_obj_read(scq); |
9977f4f6 | 1504 | if (rcq && rcq != scq) |
fd3c7904 | 1505 | uobj_put_obj_read(rcq); |
9ead190b | 1506 | if (srq) |
fd3c7904 | 1507 | uobj_put_obj_read(srq); |
c70285f8 | 1508 | if (ind_tbl) |
fd3c7904 | 1509 | uobj_put_obj_read(ind_tbl); |
9ead190b | 1510 | |
7106a976 | 1511 | return uobj_alloc_commit(&obj->uevent.uobject); |
6d8a7497 | 1512 | err_cb: |
bc38a6ab RD |
1513 | ib_destroy_qp(qp); |
1514 | ||
9ead190b | 1515 | err_put: |
fd3c7904 MB |
1516 | if (!IS_ERR(xrcd_uobj)) |
1517 | uobj_put_read(xrcd_uobj); | |
9ead190b | 1518 | if (pd) |
fd3c7904 | 1519 | uobj_put_obj_read(pd); |
9ead190b | 1520 | if (scq) |
fd3c7904 | 1521 | uobj_put_obj_read(scq); |
43db2bc0 | 1522 | if (rcq && rcq != scq) |
fd3c7904 | 1523 | uobj_put_obj_read(rcq); |
9ead190b | 1524 | if (srq) |
fd3c7904 | 1525 | uobj_put_obj_read(srq); |
c70285f8 | 1526 | if (ind_tbl) |
fd3c7904 | 1527 | uobj_put_obj_read(ind_tbl); |
9ead190b | 1528 | |
fd3c7904 | 1529 | uobj_alloc_abort(&obj->uevent.uobject); |
bc38a6ab RD |
1530 | return ret; |
1531 | } | |
1532 | ||
8313c10f | 1533 | static int ib_uverbs_create_qp_cb(struct uverbs_attr_bundle *attrs, |
6d8a7497 EBE |
1534 | struct ib_uverbs_ex_create_qp_resp *resp, |
1535 | struct ib_udata *ucore) | |
1536 | { | |
1537 | if (ib_copy_to_udata(ucore, &resp->base, sizeof(resp->base))) | |
1538 | return -EFAULT; | |
1539 | ||
1540 | return 0; | |
1541 | } | |
1542 | ||
7106a976 JG |
1543 | static int ib_uverbs_create_qp(struct uverbs_attr_bundle *attrs, |
1544 | const char __user *buf, int in_len, int out_len) | |
6d8a7497 EBE |
1545 | { |
1546 | struct ib_uverbs_create_qp cmd; | |
1547 | struct ib_uverbs_ex_create_qp cmd_ex; | |
1548 | struct ib_udata ucore; | |
6d8a7497 EBE |
1549 | ssize_t resp_size = sizeof(struct ib_uverbs_create_qp_resp); |
1550 | int err; | |
1551 | ||
1552 | if (out_len < resp_size) | |
1553 | return -ENOSPC; | |
1554 | ||
1555 | if (copy_from_user(&cmd, buf, sizeof(cmd))) | |
1556 | return -EFAULT; | |
1557 | ||
40a20339 AB |
1558 | ib_uverbs_init_udata(&ucore, buf, u64_to_user_ptr(cmd.response), |
1559 | sizeof(cmd), resp_size); | |
6d8a7497 EBE |
1560 | |
1561 | memset(&cmd_ex, 0, sizeof(cmd_ex)); | |
1562 | cmd_ex.user_handle = cmd.user_handle; | |
1563 | cmd_ex.pd_handle = cmd.pd_handle; | |
1564 | cmd_ex.send_cq_handle = cmd.send_cq_handle; | |
1565 | cmd_ex.recv_cq_handle = cmd.recv_cq_handle; | |
1566 | cmd_ex.srq_handle = cmd.srq_handle; | |
1567 | cmd_ex.max_send_wr = cmd.max_send_wr; | |
1568 | cmd_ex.max_recv_wr = cmd.max_recv_wr; | |
1569 | cmd_ex.max_send_sge = cmd.max_send_sge; | |
1570 | cmd_ex.max_recv_sge = cmd.max_recv_sge; | |
1571 | cmd_ex.max_inline_data = cmd.max_inline_data; | |
1572 | cmd_ex.sq_sig_all = cmd.sq_sig_all; | |
1573 | cmd_ex.qp_type = cmd.qp_type; | |
1574 | cmd_ex.is_srq = cmd.is_srq; | |
1575 | ||
ef87df2c JG |
1576 | err = create_qp(attrs, &ucore, &cmd_ex, |
1577 | offsetof(typeof(cmd_ex), is_srq) + sizeof(cmd.is_srq), | |
1578 | ib_uverbs_create_qp_cb, NULL); | |
6d8a7497 EBE |
1579 | |
1580 | if (err) | |
1581 | return err; | |
1582 | ||
7106a976 | 1583 | return 0; |
6d8a7497 EBE |
1584 | } |
1585 | ||
8313c10f | 1586 | static int ib_uverbs_ex_create_qp_cb(struct uverbs_attr_bundle *attrs, |
6d8a7497 EBE |
1587 | struct ib_uverbs_ex_create_qp_resp *resp, |
1588 | struct ib_udata *ucore) | |
1589 | { | |
1590 | if (ib_copy_to_udata(ucore, resp, resp->response_length)) | |
1591 | return -EFAULT; | |
1592 | ||
1593 | return 0; | |
1594 | } | |
1595 | ||
8313c10f | 1596 | static int ib_uverbs_ex_create_qp(struct uverbs_attr_bundle *attrs, |
ef87df2c | 1597 | struct ib_udata *ucore) |
6d8a7497 EBE |
1598 | { |
1599 | struct ib_uverbs_ex_create_qp_resp resp; | |
1600 | struct ib_uverbs_ex_create_qp cmd = {0}; | |
1601 | int err; | |
1602 | ||
1603 | if (ucore->inlen < (offsetof(typeof(cmd), comp_mask) + | |
1604 | sizeof(cmd.comp_mask))) | |
1605 | return -EINVAL; | |
1606 | ||
1607 | err = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
1608 | if (err) | |
1609 | return err; | |
1610 | ||
c70285f8 | 1611 | if (cmd.comp_mask & ~IB_UVERBS_CREATE_QP_SUP_COMP_MASK) |
6d8a7497 EBE |
1612 | return -EINVAL; |
1613 | ||
1614 | if (cmd.reserved) | |
1615 | return -EINVAL; | |
1616 | ||
1617 | if (ucore->outlen < (offsetof(typeof(resp), response_length) + | |
1618 | sizeof(resp.response_length))) | |
1619 | return -ENOSPC; | |
1620 | ||
ef87df2c | 1621 | err = create_qp(attrs, ucore, &cmd, |
6d8a7497 EBE |
1622 | min(ucore->inlen, sizeof(cmd)), |
1623 | ib_uverbs_ex_create_qp_cb, NULL); | |
1624 | ||
1625 | if (err) | |
1626 | return err; | |
1627 | ||
1628 | return 0; | |
1629 | } | |
1630 | ||
7106a976 JG |
1631 | static int ib_uverbs_open_qp(struct uverbs_attr_bundle *attrs, |
1632 | const char __user *buf, int in_len, int out_len) | |
42849b26 SH |
1633 | { |
1634 | struct ib_uverbs_open_qp cmd; | |
1635 | struct ib_uverbs_create_qp_resp resp; | |
42849b26 SH |
1636 | struct ib_uqp_object *obj; |
1637 | struct ib_xrcd *xrcd; | |
1638 | struct ib_uobject *uninitialized_var(xrcd_uobj); | |
1639 | struct ib_qp *qp; | |
1640 | struct ib_qp_open_attr attr; | |
1641 | int ret; | |
bbd51e88 | 1642 | struct ib_device *ib_dev; |
42849b26 SH |
1643 | |
1644 | if (out_len < sizeof resp) | |
1645 | return -ENOSPC; | |
1646 | ||
1647 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1648 | return -EFAULT; | |
1649 | ||
8313c10f | 1650 | obj = (struct ib_uqp_object *)uobj_alloc(UVERBS_OBJECT_QP, attrs, |
bbd51e88 | 1651 | &ib_dev); |
fd3c7904 MB |
1652 | if (IS_ERR(obj)) |
1653 | return PTR_ERR(obj); | |
42849b26 | 1654 | |
8313c10f | 1655 | xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd.pd_handle, attrs); |
fd3c7904 MB |
1656 | if (IS_ERR(xrcd_uobj)) { |
1657 | ret = -EINVAL; | |
1658 | goto err_put; | |
1659 | } | |
42849b26 | 1660 | |
fd3c7904 | 1661 | xrcd = (struct ib_xrcd *)xrcd_uobj->object; |
42849b26 SH |
1662 | if (!xrcd) { |
1663 | ret = -EINVAL; | |
fd3c7904 | 1664 | goto err_xrcd; |
42849b26 SH |
1665 | } |
1666 | ||
1667 | attr.event_handler = ib_uverbs_qp_event_handler; | |
8313c10f | 1668 | attr.qp_context = attrs->ufile; |
42849b26 SH |
1669 | attr.qp_num = cmd.qpn; |
1670 | attr.qp_type = cmd.qp_type; | |
1671 | ||
1672 | obj->uevent.events_reported = 0; | |
1673 | INIT_LIST_HEAD(&obj->uevent.event_list); | |
1674 | INIT_LIST_HEAD(&obj->mcast_list); | |
1675 | ||
1676 | qp = ib_open_qp(xrcd, &attr); | |
1677 | if (IS_ERR(qp)) { | |
1678 | ret = PTR_ERR(qp); | |
fd3c7904 | 1679 | goto err_xrcd; |
42849b26 SH |
1680 | } |
1681 | ||
42849b26 | 1682 | obj->uevent.uobject.object = qp; |
fd3c7904 | 1683 | obj->uevent.uobject.user_handle = cmd.user_handle; |
42849b26 SH |
1684 | |
1685 | memset(&resp, 0, sizeof resp); | |
1686 | resp.qpn = qp->qp_num; | |
1687 | resp.qp_handle = obj->uevent.uobject.id; | |
1688 | ||
40a20339 | 1689 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
42849b26 | 1690 | ret = -EFAULT; |
fd3c7904 | 1691 | goto err_destroy; |
42849b26 SH |
1692 | } |
1693 | ||
846be90d YH |
1694 | obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, uobject); |
1695 | atomic_inc(&obj->uxrcd->refcnt); | |
fd3c7904 MB |
1696 | qp->uobject = &obj->uevent.uobject; |
1697 | uobj_put_read(xrcd_uobj); | |
42849b26 | 1698 | |
7106a976 | 1699 | return uobj_alloc_commit(&obj->uevent.uobject); |
42849b26 | 1700 | |
42849b26 SH |
1701 | err_destroy: |
1702 | ib_destroy_qp(qp); | |
fd3c7904 MB |
1703 | err_xrcd: |
1704 | uobj_put_read(xrcd_uobj); | |
42849b26 | 1705 | err_put: |
fd3c7904 | 1706 | uobj_alloc_abort(&obj->uevent.uobject); |
42849b26 SH |
1707 | return ret; |
1708 | } | |
1709 | ||
89caa053 PP |
1710 | static void copy_ah_attr_to_uverbs(struct ib_uverbs_qp_dest *uverb_attr, |
1711 | struct rdma_ah_attr *rdma_attr) | |
1712 | { | |
1713 | const struct ib_global_route *grh; | |
1714 | ||
1715 | uverb_attr->dlid = rdma_ah_get_dlid(rdma_attr); | |
1716 | uverb_attr->sl = rdma_ah_get_sl(rdma_attr); | |
1717 | uverb_attr->src_path_bits = rdma_ah_get_path_bits(rdma_attr); | |
1718 | uverb_attr->static_rate = rdma_ah_get_static_rate(rdma_attr); | |
1719 | uverb_attr->is_global = !!(rdma_ah_get_ah_flags(rdma_attr) & | |
1720 | IB_AH_GRH); | |
1721 | if (uverb_attr->is_global) { | |
1722 | grh = rdma_ah_read_grh(rdma_attr); | |
1723 | memcpy(uverb_attr->dgid, grh->dgid.raw, 16); | |
1724 | uverb_attr->flow_label = grh->flow_label; | |
1725 | uverb_attr->sgid_index = grh->sgid_index; | |
1726 | uverb_attr->hop_limit = grh->hop_limit; | |
1727 | uverb_attr->traffic_class = grh->traffic_class; | |
1728 | } | |
1729 | uverb_attr->port_num = rdma_ah_get_port_num(rdma_attr); | |
1730 | } | |
1731 | ||
7106a976 JG |
1732 | static int ib_uverbs_query_qp(struct uverbs_attr_bundle *attrs, |
1733 | const char __user *buf, int in_len, int out_len) | |
7ccc9a24 DB |
1734 | { |
1735 | struct ib_uverbs_query_qp cmd; | |
1736 | struct ib_uverbs_query_qp_resp resp; | |
1737 | struct ib_qp *qp; | |
1738 | struct ib_qp_attr *attr; | |
1739 | struct ib_qp_init_attr *init_attr; | |
1740 | int ret; | |
1741 | ||
1742 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
1743 | return -EFAULT; | |
1744 | ||
1745 | attr = kmalloc(sizeof *attr, GFP_KERNEL); | |
1746 | init_attr = kmalloc(sizeof *init_attr, GFP_KERNEL); | |
1747 | if (!attr || !init_attr) { | |
1748 | ret = -ENOMEM; | |
1749 | goto out; | |
1750 | } | |
1751 | ||
8313c10f | 1752 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
9ead190b | 1753 | if (!qp) { |
7ccc9a24 | 1754 | ret = -EINVAL; |
9ead190b RD |
1755 | goto out; |
1756 | } | |
1757 | ||
1758 | ret = ib_query_qp(qp, attr, cmd.attr_mask, init_attr); | |
7ccc9a24 | 1759 | |
fd3c7904 | 1760 | uobj_put_obj_read(qp); |
7ccc9a24 DB |
1761 | |
1762 | if (ret) | |
1763 | goto out; | |
1764 | ||
1765 | memset(&resp, 0, sizeof resp); | |
1766 | ||
1767 | resp.qp_state = attr->qp_state; | |
1768 | resp.cur_qp_state = attr->cur_qp_state; | |
1769 | resp.path_mtu = attr->path_mtu; | |
1770 | resp.path_mig_state = attr->path_mig_state; | |
1771 | resp.qkey = attr->qkey; | |
1772 | resp.rq_psn = attr->rq_psn; | |
1773 | resp.sq_psn = attr->sq_psn; | |
1774 | resp.dest_qp_num = attr->dest_qp_num; | |
1775 | resp.qp_access_flags = attr->qp_access_flags; | |
1776 | resp.pkey_index = attr->pkey_index; | |
1777 | resp.alt_pkey_index = attr->alt_pkey_index; | |
0b26c88f | 1778 | resp.sq_draining = attr->sq_draining; |
7ccc9a24 DB |
1779 | resp.max_rd_atomic = attr->max_rd_atomic; |
1780 | resp.max_dest_rd_atomic = attr->max_dest_rd_atomic; | |
1781 | resp.min_rnr_timer = attr->min_rnr_timer; | |
1782 | resp.port_num = attr->port_num; | |
1783 | resp.timeout = attr->timeout; | |
1784 | resp.retry_cnt = attr->retry_cnt; | |
1785 | resp.rnr_retry = attr->rnr_retry; | |
1786 | resp.alt_port_num = attr->alt_port_num; | |
1787 | resp.alt_timeout = attr->alt_timeout; | |
1788 | ||
89caa053 PP |
1789 | copy_ah_attr_to_uverbs(&resp.dest, &attr->ah_attr); |
1790 | copy_ah_attr_to_uverbs(&resp.alt_dest, &attr->alt_ah_attr); | |
7ccc9a24 DB |
1791 | |
1792 | resp.max_send_wr = init_attr->cap.max_send_wr; | |
1793 | resp.max_recv_wr = init_attr->cap.max_recv_wr; | |
1794 | resp.max_send_sge = init_attr->cap.max_send_sge; | |
1795 | resp.max_recv_sge = init_attr->cap.max_recv_sge; | |
1796 | resp.max_inline_data = init_attr->cap.max_inline_data; | |
27d56300 | 1797 | resp.sq_sig_all = init_attr->sq_sig_type == IB_SIGNAL_ALL_WR; |
7ccc9a24 | 1798 | |
40a20339 | 1799 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
7ccc9a24 DB |
1800 | ret = -EFAULT; |
1801 | ||
1802 | out: | |
1803 | kfree(attr); | |
1804 | kfree(init_attr); | |
1805 | ||
7106a976 | 1806 | return ret; |
7ccc9a24 DB |
1807 | } |
1808 | ||
9977f4f6 SH |
1809 | /* Remove ignored fields set in the attribute mask */ |
1810 | static int modify_qp_mask(enum ib_qp_type qp_type, int mask) | |
1811 | { | |
1812 | switch (qp_type) { | |
1813 | case IB_QPT_XRC_INI: | |
1814 | return mask & ~(IB_QP_MAX_DEST_RD_ATOMIC | IB_QP_MIN_RNR_TIMER); | |
b93f3c18 SH |
1815 | case IB_QPT_XRC_TGT: |
1816 | return mask & ~(IB_QP_MAX_QP_RD_ATOMIC | IB_QP_RETRY_CNT | | |
1817 | IB_QP_RNR_RETRY); | |
9977f4f6 SH |
1818 | default: |
1819 | return mask; | |
1820 | } | |
1821 | } | |
1822 | ||
89caa053 PP |
1823 | static void copy_ah_attr_from_uverbs(struct ib_device *dev, |
1824 | struct rdma_ah_attr *rdma_attr, | |
1825 | struct ib_uverbs_qp_dest *uverb_attr) | |
1826 | { | |
1827 | rdma_attr->type = rdma_ah_find_type(dev, uverb_attr->port_num); | |
1828 | if (uverb_attr->is_global) { | |
1829 | rdma_ah_set_grh(rdma_attr, NULL, | |
1830 | uverb_attr->flow_label, | |
1831 | uverb_attr->sgid_index, | |
1832 | uverb_attr->hop_limit, | |
1833 | uverb_attr->traffic_class); | |
1834 | rdma_ah_set_dgid_raw(rdma_attr, uverb_attr->dgid); | |
1835 | } else { | |
1836 | rdma_ah_set_ah_flags(rdma_attr, 0); | |
1837 | } | |
1838 | rdma_ah_set_dlid(rdma_attr, uverb_attr->dlid); | |
1839 | rdma_ah_set_sl(rdma_attr, uverb_attr->sl); | |
1840 | rdma_ah_set_path_bits(rdma_attr, uverb_attr->src_path_bits); | |
1841 | rdma_ah_set_static_rate(rdma_attr, uverb_attr->static_rate); | |
1842 | rdma_ah_set_port_num(rdma_attr, uverb_attr->port_num); | |
1843 | rdma_ah_set_make_grd(rdma_attr, false); | |
1844 | } | |
1845 | ||
8313c10f | 1846 | static int modify_qp(struct uverbs_attr_bundle *attrs, |
ef87df2c | 1847 | struct ib_uverbs_ex_modify_qp *cmd) |
bc38a6ab | 1848 | { |
189aba99 BW |
1849 | struct ib_qp_attr *attr; |
1850 | struct ib_qp *qp; | |
1851 | int ret; | |
9bc57e2d | 1852 | |
fb51eeca | 1853 | attr = kzalloc(sizeof(*attr), GFP_KERNEL); |
bc38a6ab RD |
1854 | if (!attr) |
1855 | return -ENOMEM; | |
1856 | ||
8313c10f JG |
1857 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd->base.qp_handle, |
1858 | attrs); | |
9ead190b | 1859 | if (!qp) { |
bc38a6ab RD |
1860 | ret = -EINVAL; |
1861 | goto out; | |
1862 | } | |
1863 | ||
5a7a88f1 IM |
1864 | if ((cmd->base.attr_mask & IB_QP_PORT) && |
1865 | !rdma_is_port_valid(qp->device, cmd->base.port_num)) { | |
5ecce4c9 BP |
1866 | ret = -EINVAL; |
1867 | goto release_qp; | |
1868 | } | |
1869 | ||
addb8a65 JM |
1870 | if ((cmd->base.attr_mask & IB_QP_AV)) { |
1871 | if (!rdma_is_port_valid(qp->device, cmd->base.dest.port_num)) { | |
1872 | ret = -EINVAL; | |
1873 | goto release_qp; | |
1874 | } | |
1875 | ||
1876 | if (cmd->base.attr_mask & IB_QP_STATE && | |
1877 | cmd->base.qp_state == IB_QPS_RTR) { | |
1878 | /* We are in INIT->RTR TRANSITION (if we are not, | |
1879 | * this transition will be rejected in subsequent checks). | |
1880 | * In the INIT->RTR transition, we cannot have IB_QP_PORT set, | |
1881 | * but the IB_QP_STATE flag is required. | |
1882 | * | |
1883 | * Since kernel 3.14 (commit dbf727de7440), the uverbs driver, | |
1884 | * when IB_QP_AV is set, has required inclusion of a valid | |
1885 | * port number in the primary AV. (AVs are created and handled | |
1886 | * differently for infiniband and ethernet (RoCE) ports). | |
1887 | * | |
1888 | * Check the port number included in the primary AV against | |
1889 | * the port number in the qp struct, which was set (and saved) | |
1890 | * in the RST->INIT transition. | |
1891 | */ | |
1892 | if (cmd->base.dest.port_num != qp->real_qp->port) { | |
1893 | ret = -EINVAL; | |
1894 | goto release_qp; | |
1895 | } | |
1896 | } else { | |
1897 | /* We are in SQD->SQD. (If we are not, this transition will | |
1898 | * be rejected later in the verbs layer checks). | |
1899 | * Check for both IB_QP_PORT and IB_QP_AV, these can be set | |
1900 | * together in the SQD->SQD transition. | |
1901 | * | |
1902 | * If only IP_QP_AV was set, add in IB_QP_PORT as well (the | |
1903 | * verbs layer driver does not track primary port changes | |
1904 | * resulting from path migration. Thus, in SQD, if the primary | |
1905 | * AV is modified, the primary port should also be modified). | |
1906 | * | |
1907 | * Note that in this transition, the IB_QP_STATE flag | |
1908 | * is not allowed. | |
1909 | */ | |
1910 | if (((cmd->base.attr_mask & (IB_QP_AV | IB_QP_PORT)) | |
1911 | == (IB_QP_AV | IB_QP_PORT)) && | |
1912 | cmd->base.port_num != cmd->base.dest.port_num) { | |
1913 | ret = -EINVAL; | |
1914 | goto release_qp; | |
1915 | } | |
1916 | if ((cmd->base.attr_mask & (IB_QP_AV | IB_QP_PORT)) | |
1917 | == IB_QP_AV) { | |
1918 | cmd->base.attr_mask |= IB_QP_PORT; | |
1919 | cmd->base.port_num = cmd->base.dest.port_num; | |
1920 | } | |
1921 | } | |
5d4c05c3 LR |
1922 | } |
1923 | ||
4cae8ff1 | 1924 | if ((cmd->base.attr_mask & IB_QP_ALT_PATH) && |
5d4c05c3 | 1925 | (!rdma_is_port_valid(qp->device, cmd->base.alt_port_num) || |
addb8a65 JM |
1926 | !rdma_is_port_valid(qp->device, cmd->base.alt_dest.port_num) || |
1927 | cmd->base.alt_port_num != cmd->base.alt_dest.port_num)) { | |
4cae8ff1 DJ |
1928 | ret = -EINVAL; |
1929 | goto release_qp; | |
1930 | } | |
1931 | ||
88de869b LR |
1932 | if ((cmd->base.attr_mask & IB_QP_CUR_STATE && |
1933 | cmd->base.cur_qp_state > IB_QPS_ERR) || | |
4eeed368 MD |
1934 | (cmd->base.attr_mask & IB_QP_STATE && |
1935 | cmd->base.qp_state > IB_QPS_ERR)) { | |
88de869b LR |
1936 | ret = -EINVAL; |
1937 | goto release_qp; | |
1938 | } | |
1939 | ||
4eeed368 MD |
1940 | if (cmd->base.attr_mask & IB_QP_STATE) |
1941 | attr->qp_state = cmd->base.qp_state; | |
1942 | if (cmd->base.attr_mask & IB_QP_CUR_STATE) | |
1943 | attr->cur_qp_state = cmd->base.cur_qp_state; | |
1944 | if (cmd->base.attr_mask & IB_QP_PATH_MTU) | |
1945 | attr->path_mtu = cmd->base.path_mtu; | |
1946 | if (cmd->base.attr_mask & IB_QP_PATH_MIG_STATE) | |
1947 | attr->path_mig_state = cmd->base.path_mig_state; | |
1948 | if (cmd->base.attr_mask & IB_QP_QKEY) | |
1949 | attr->qkey = cmd->base.qkey; | |
1950 | if (cmd->base.attr_mask & IB_QP_RQ_PSN) | |
1951 | attr->rq_psn = cmd->base.rq_psn; | |
1952 | if (cmd->base.attr_mask & IB_QP_SQ_PSN) | |
1953 | attr->sq_psn = cmd->base.sq_psn; | |
1954 | if (cmd->base.attr_mask & IB_QP_DEST_QPN) | |
1955 | attr->dest_qp_num = cmd->base.dest_qp_num; | |
1956 | if (cmd->base.attr_mask & IB_QP_ACCESS_FLAGS) | |
1957 | attr->qp_access_flags = cmd->base.qp_access_flags; | |
1958 | if (cmd->base.attr_mask & IB_QP_PKEY_INDEX) | |
1959 | attr->pkey_index = cmd->base.pkey_index; | |
1960 | if (cmd->base.attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY) | |
1961 | attr->en_sqd_async_notify = cmd->base.en_sqd_async_notify; | |
1962 | if (cmd->base.attr_mask & IB_QP_MAX_QP_RD_ATOMIC) | |
1963 | attr->max_rd_atomic = cmd->base.max_rd_atomic; | |
1964 | if (cmd->base.attr_mask & IB_QP_MAX_DEST_RD_ATOMIC) | |
1965 | attr->max_dest_rd_atomic = cmd->base.max_dest_rd_atomic; | |
1966 | if (cmd->base.attr_mask & IB_QP_MIN_RNR_TIMER) | |
1967 | attr->min_rnr_timer = cmd->base.min_rnr_timer; | |
1968 | if (cmd->base.attr_mask & IB_QP_PORT) | |
1969 | attr->port_num = cmd->base.port_num; | |
1970 | if (cmd->base.attr_mask & IB_QP_TIMEOUT) | |
1971 | attr->timeout = cmd->base.timeout; | |
1972 | if (cmd->base.attr_mask & IB_QP_RETRY_CNT) | |
1973 | attr->retry_cnt = cmd->base.retry_cnt; | |
1974 | if (cmd->base.attr_mask & IB_QP_RNR_RETRY) | |
1975 | attr->rnr_retry = cmd->base.rnr_retry; | |
1976 | if (cmd->base.attr_mask & IB_QP_ALT_PATH) { | |
1977 | attr->alt_port_num = cmd->base.alt_port_num; | |
1978 | attr->alt_timeout = cmd->base.alt_timeout; | |
1979 | attr->alt_pkey_index = cmd->base.alt_pkey_index; | |
1980 | } | |
1981 | if (cmd->base.attr_mask & IB_QP_RATE_LIMIT) | |
1982 | attr->rate_limit = cmd->rate_limit; | |
189aba99 | 1983 | |
498ca3c8 | 1984 | if (cmd->base.attr_mask & IB_QP_AV) |
89caa053 PP |
1985 | copy_ah_attr_from_uverbs(qp->device, &attr->ah_attr, |
1986 | &cmd->base.dest); | |
189aba99 | 1987 | |
498ca3c8 | 1988 | if (cmd->base.attr_mask & IB_QP_ALT_PATH) |
89caa053 PP |
1989 | copy_ah_attr_from_uverbs(qp->device, &attr->alt_ah_attr, |
1990 | &cmd->base.alt_dest); | |
bc38a6ab | 1991 | |
f7c8f2e9 PP |
1992 | ret = ib_modify_qp_with_udata(qp, attr, |
1993 | modify_qp_mask(qp->qp_type, | |
1994 | cmd->base.attr_mask), | |
ef87df2c | 1995 | &attrs->driver_udata); |
9ead190b | 1996 | |
0fb8bcf0 | 1997 | release_qp: |
fd3c7904 | 1998 | uobj_put_obj_read(qp); |
bc38a6ab | 1999 | out: |
bc38a6ab RD |
2000 | kfree(attr); |
2001 | ||
2002 | return ret; | |
2003 | } | |
2004 | ||
7106a976 JG |
2005 | static int ib_uverbs_modify_qp(struct uverbs_attr_bundle *attrs, |
2006 | const char __user *buf, int in_len, int out_len) | |
189aba99 BW |
2007 | { |
2008 | struct ib_uverbs_ex_modify_qp cmd = {}; | |
189aba99 BW |
2009 | |
2010 | if (copy_from_user(&cmd.base, buf, sizeof(cmd.base))) | |
2011 | return -EFAULT; | |
2012 | ||
2013 | if (cmd.base.attr_mask & | |
2014 | ~((IB_USER_LEGACY_LAST_QP_ATTR_MASK << 1) - 1)) | |
2015 | return -EOPNOTSUPP; | |
2016 | ||
ef87df2c | 2017 | return modify_qp(attrs, &cmd); |
189aba99 BW |
2018 | } |
2019 | ||
8313c10f | 2020 | static int ib_uverbs_ex_modify_qp(struct uverbs_attr_bundle *attrs, |
ef87df2c | 2021 | struct ib_udata *ucore) |
189aba99 BW |
2022 | { |
2023 | struct ib_uverbs_ex_modify_qp cmd = {}; | |
2024 | int ret; | |
2025 | ||
2026 | /* | |
2027 | * Last bit is reserved for extending the attr_mask by | |
2028 | * using another field. | |
2029 | */ | |
2030 | BUILD_BUG_ON(IB_USER_LAST_QP_ATTR_MASK == (1 << 31)); | |
2031 | ||
2032 | if (ucore->inlen < sizeof(cmd.base)) | |
2033 | return -EINVAL; | |
2034 | ||
2035 | ret = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
2036 | if (ret) | |
2037 | return ret; | |
2038 | ||
2039 | if (cmd.base.attr_mask & | |
2040 | ~((IB_USER_LAST_QP_ATTR_MASK << 1) - 1)) | |
2041 | return -EOPNOTSUPP; | |
2042 | ||
2043 | if (ucore->inlen > sizeof(cmd)) { | |
05d14e7b MS |
2044 | if (!ib_is_udata_cleared(ucore, sizeof(cmd), |
2045 | ucore->inlen - sizeof(cmd))) | |
189aba99 BW |
2046 | return -EOPNOTSUPP; |
2047 | } | |
2048 | ||
ef87df2c | 2049 | ret = modify_qp(attrs, &cmd); |
189aba99 BW |
2050 | |
2051 | return ret; | |
2052 | } | |
2053 | ||
7106a976 JG |
2054 | static int ib_uverbs_destroy_qp(struct uverbs_attr_bundle *attrs, |
2055 | const char __user *buf, int in_len, int out_len) | |
bc38a6ab | 2056 | { |
63aaf647 RD |
2057 | struct ib_uverbs_destroy_qp cmd; |
2058 | struct ib_uverbs_destroy_qp_resp resp; | |
9ead190b | 2059 | struct ib_uobject *uobj; |
9ead190b | 2060 | struct ib_uqp_object *obj; |
bc38a6ab RD |
2061 | |
2062 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2063 | return -EFAULT; | |
2064 | ||
8313c10f | 2065 | uobj = uobj_get_destroy(UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
fd3c7904 MB |
2066 | if (IS_ERR(uobj)) |
2067 | return PTR_ERR(uobj); | |
2068 | ||
9ead190b | 2069 | obj = container_of(uobj, struct ib_uqp_object, uevent.uobject); |
32ed5c00 | 2070 | memset(&resp, 0, sizeof(resp)); |
9ead190b | 2071 | resp.events_reported = obj->uevent.events_reported; |
32ed5c00 JG |
2072 | |
2073 | uobj_put_destroy(uobj); | |
bc38a6ab | 2074 | |
40a20339 | 2075 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
9ead190b | 2076 | return -EFAULT; |
bc38a6ab | 2077 | |
7106a976 | 2078 | return 0; |
bc38a6ab RD |
2079 | } |
2080 | ||
e622f2f4 CH |
2081 | static void *alloc_wr(size_t wr_size, __u32 num_sge) |
2082 | { | |
4f7f4dcf VT |
2083 | if (num_sge >= (U32_MAX - ALIGN(wr_size, sizeof (struct ib_sge))) / |
2084 | sizeof (struct ib_sge)) | |
2085 | return NULL; | |
2086 | ||
e622f2f4 CH |
2087 | return kmalloc(ALIGN(wr_size, sizeof (struct ib_sge)) + |
2088 | num_sge * sizeof (struct ib_sge), GFP_KERNEL); | |
4f7f4dcf | 2089 | } |
e622f2f4 | 2090 | |
7106a976 JG |
2091 | static int ib_uverbs_post_send(struct uverbs_attr_bundle *attrs, |
2092 | const char __user *buf, int in_len, int out_len) | |
67cdb40c RD |
2093 | { |
2094 | struct ib_uverbs_post_send cmd; | |
2095 | struct ib_uverbs_post_send_resp resp; | |
2096 | struct ib_uverbs_send_wr *user_wr; | |
d34ac5cd BVA |
2097 | struct ib_send_wr *wr = NULL, *last, *next; |
2098 | const struct ib_send_wr *bad_wr; | |
67cdb40c RD |
2099 | struct ib_qp *qp; |
2100 | int i, sg_ind; | |
9ead190b | 2101 | int is_ud; |
67cdb40c | 2102 | ssize_t ret = -EINVAL; |
1d784b89 | 2103 | size_t next_size; |
67cdb40c RD |
2104 | |
2105 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2106 | return -EFAULT; | |
2107 | ||
2108 | if (in_len < sizeof cmd + cmd.wqe_size * cmd.wr_count + | |
2109 | cmd.sge_count * sizeof (struct ib_uverbs_sge)) | |
2110 | return -EINVAL; | |
2111 | ||
2112 | if (cmd.wqe_size < sizeof (struct ib_uverbs_send_wr)) | |
2113 | return -EINVAL; | |
2114 | ||
2115 | user_wr = kmalloc(cmd.wqe_size, GFP_KERNEL); | |
2116 | if (!user_wr) | |
2117 | return -ENOMEM; | |
2118 | ||
8313c10f | 2119 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
9ead190b | 2120 | if (!qp) |
67cdb40c RD |
2121 | goto out; |
2122 | ||
9ead190b | 2123 | is_ud = qp->qp_type == IB_QPT_UD; |
67cdb40c RD |
2124 | sg_ind = 0; |
2125 | last = NULL; | |
2126 | for (i = 0; i < cmd.wr_count; ++i) { | |
2127 | if (copy_from_user(user_wr, | |
2128 | buf + sizeof cmd + i * cmd.wqe_size, | |
2129 | cmd.wqe_size)) { | |
2130 | ret = -EFAULT; | |
9ead190b | 2131 | goto out_put; |
67cdb40c RD |
2132 | } |
2133 | ||
2134 | if (user_wr->num_sge + sg_ind > cmd.sge_count) { | |
2135 | ret = -EINVAL; | |
9ead190b | 2136 | goto out_put; |
67cdb40c RD |
2137 | } |
2138 | ||
e622f2f4 CH |
2139 | if (is_ud) { |
2140 | struct ib_ud_wr *ud; | |
2141 | ||
2142 | if (user_wr->opcode != IB_WR_SEND && | |
2143 | user_wr->opcode != IB_WR_SEND_WITH_IMM) { | |
2144 | ret = -EINVAL; | |
2145 | goto out_put; | |
2146 | } | |
2147 | ||
1d784b89 MM |
2148 | next_size = sizeof(*ud); |
2149 | ud = alloc_wr(next_size, user_wr->num_sge); | |
e622f2f4 CH |
2150 | if (!ud) { |
2151 | ret = -ENOMEM; | |
2152 | goto out_put; | |
2153 | } | |
2154 | ||
2cc1e3b8 | 2155 | ud->ah = uobj_get_obj_read(ah, UVERBS_OBJECT_AH, |
8313c10f | 2156 | user_wr->wr.ud.ah, attrs); |
e622f2f4 CH |
2157 | if (!ud->ah) { |
2158 | kfree(ud); | |
2159 | ret = -EINVAL; | |
2160 | goto out_put; | |
2161 | } | |
2162 | ud->remote_qpn = user_wr->wr.ud.remote_qpn; | |
2163 | ud->remote_qkey = user_wr->wr.ud.remote_qkey; | |
2164 | ||
2165 | next = &ud->wr; | |
2166 | } else if (user_wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM || | |
2167 | user_wr->opcode == IB_WR_RDMA_WRITE || | |
2168 | user_wr->opcode == IB_WR_RDMA_READ) { | |
2169 | struct ib_rdma_wr *rdma; | |
2170 | ||
1d784b89 MM |
2171 | next_size = sizeof(*rdma); |
2172 | rdma = alloc_wr(next_size, user_wr->num_sge); | |
e622f2f4 CH |
2173 | if (!rdma) { |
2174 | ret = -ENOMEM; | |
2175 | goto out_put; | |
2176 | } | |
2177 | ||
2178 | rdma->remote_addr = user_wr->wr.rdma.remote_addr; | |
2179 | rdma->rkey = user_wr->wr.rdma.rkey; | |
2180 | ||
2181 | next = &rdma->wr; | |
2182 | } else if (user_wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP || | |
2183 | user_wr->opcode == IB_WR_ATOMIC_FETCH_AND_ADD) { | |
2184 | struct ib_atomic_wr *atomic; | |
2185 | ||
1d784b89 MM |
2186 | next_size = sizeof(*atomic); |
2187 | atomic = alloc_wr(next_size, user_wr->num_sge); | |
e622f2f4 CH |
2188 | if (!atomic) { |
2189 | ret = -ENOMEM; | |
2190 | goto out_put; | |
2191 | } | |
2192 | ||
2193 | atomic->remote_addr = user_wr->wr.atomic.remote_addr; | |
2194 | atomic->compare_add = user_wr->wr.atomic.compare_add; | |
2195 | atomic->swap = user_wr->wr.atomic.swap; | |
2196 | atomic->rkey = user_wr->wr.atomic.rkey; | |
2197 | ||
2198 | next = &atomic->wr; | |
2199 | } else if (user_wr->opcode == IB_WR_SEND || | |
2200 | user_wr->opcode == IB_WR_SEND_WITH_IMM || | |
2201 | user_wr->opcode == IB_WR_SEND_WITH_INV) { | |
1d784b89 MM |
2202 | next_size = sizeof(*next); |
2203 | next = alloc_wr(next_size, user_wr->num_sge); | |
e622f2f4 CH |
2204 | if (!next) { |
2205 | ret = -ENOMEM; | |
2206 | goto out_put; | |
2207 | } | |
2208 | } else { | |
2209 | ret = -EINVAL; | |
9ead190b | 2210 | goto out_put; |
67cdb40c RD |
2211 | } |
2212 | ||
e622f2f4 CH |
2213 | if (user_wr->opcode == IB_WR_SEND_WITH_IMM || |
2214 | user_wr->opcode == IB_WR_RDMA_WRITE_WITH_IMM) { | |
2215 | next->ex.imm_data = | |
2216 | (__be32 __force) user_wr->ex.imm_data; | |
2217 | } else if (user_wr->opcode == IB_WR_SEND_WITH_INV) { | |
2218 | next->ex.invalidate_rkey = user_wr->ex.invalidate_rkey; | |
2219 | } | |
2220 | ||
67cdb40c RD |
2221 | if (!last) |
2222 | wr = next; | |
2223 | else | |
2224 | last->next = next; | |
2225 | last = next; | |
2226 | ||
2227 | next->next = NULL; | |
2228 | next->wr_id = user_wr->wr_id; | |
2229 | next->num_sge = user_wr->num_sge; | |
2230 | next->opcode = user_wr->opcode; | |
2231 | next->send_flags = user_wr->send_flags; | |
67cdb40c | 2232 | |
67cdb40c RD |
2233 | if (next->num_sge) { |
2234 | next->sg_list = (void *) next + | |
1d784b89 | 2235 | ALIGN(next_size, sizeof(struct ib_sge)); |
67cdb40c RD |
2236 | if (copy_from_user(next->sg_list, |
2237 | buf + sizeof cmd + | |
2238 | cmd.wr_count * cmd.wqe_size + | |
2239 | sg_ind * sizeof (struct ib_sge), | |
2240 | next->num_sge * sizeof (struct ib_sge))) { | |
2241 | ret = -EFAULT; | |
9ead190b | 2242 | goto out_put; |
67cdb40c RD |
2243 | } |
2244 | sg_ind += next->num_sge; | |
2245 | } else | |
2246 | next->sg_list = NULL; | |
2247 | } | |
2248 | ||
2249 | resp.bad_wr = 0; | |
0e0ec7e0 | 2250 | ret = qp->device->post_send(qp->real_qp, wr, &bad_wr); |
67cdb40c RD |
2251 | if (ret) |
2252 | for (next = wr; next; next = next->next) { | |
2253 | ++resp.bad_wr; | |
2254 | if (next == bad_wr) | |
2255 | break; | |
2256 | } | |
2257 | ||
40a20339 | 2258 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
67cdb40c RD |
2259 | ret = -EFAULT; |
2260 | ||
9ead190b | 2261 | out_put: |
fd3c7904 | 2262 | uobj_put_obj_read(qp); |
67cdb40c RD |
2263 | |
2264 | while (wr) { | |
e622f2f4 | 2265 | if (is_ud && ud_wr(wr)->ah) |
fd3c7904 | 2266 | uobj_put_obj_read(ud_wr(wr)->ah); |
67cdb40c RD |
2267 | next = wr->next; |
2268 | kfree(wr); | |
2269 | wr = next; | |
2270 | } | |
2271 | ||
18320828 | 2272 | out: |
67cdb40c RD |
2273 | kfree(user_wr); |
2274 | ||
7106a976 | 2275 | return ret; |
67cdb40c RD |
2276 | } |
2277 | ||
2278 | static struct ib_recv_wr *ib_uverbs_unmarshall_recv(const char __user *buf, | |
2279 | int in_len, | |
2280 | u32 wr_count, | |
2281 | u32 sge_count, | |
2282 | u32 wqe_size) | |
2283 | { | |
2284 | struct ib_uverbs_recv_wr *user_wr; | |
2285 | struct ib_recv_wr *wr = NULL, *last, *next; | |
2286 | int sg_ind; | |
2287 | int i; | |
2288 | int ret; | |
2289 | ||
2290 | if (in_len < wqe_size * wr_count + | |
2291 | sge_count * sizeof (struct ib_uverbs_sge)) | |
2292 | return ERR_PTR(-EINVAL); | |
2293 | ||
2294 | if (wqe_size < sizeof (struct ib_uverbs_recv_wr)) | |
2295 | return ERR_PTR(-EINVAL); | |
2296 | ||
2297 | user_wr = kmalloc(wqe_size, GFP_KERNEL); | |
2298 | if (!user_wr) | |
2299 | return ERR_PTR(-ENOMEM); | |
2300 | ||
2301 | sg_ind = 0; | |
2302 | last = NULL; | |
2303 | for (i = 0; i < wr_count; ++i) { | |
2304 | if (copy_from_user(user_wr, buf + i * wqe_size, | |
2305 | wqe_size)) { | |
2306 | ret = -EFAULT; | |
2307 | goto err; | |
2308 | } | |
2309 | ||
2310 | if (user_wr->num_sge + sg_ind > sge_count) { | |
2311 | ret = -EINVAL; | |
2312 | goto err; | |
2313 | } | |
2314 | ||
4f7f4dcf VT |
2315 | if (user_wr->num_sge >= |
2316 | (U32_MAX - ALIGN(sizeof *next, sizeof (struct ib_sge))) / | |
2317 | sizeof (struct ib_sge)) { | |
2318 | ret = -EINVAL; | |
2319 | goto err; | |
2320 | } | |
2321 | ||
67cdb40c RD |
2322 | next = kmalloc(ALIGN(sizeof *next, sizeof (struct ib_sge)) + |
2323 | user_wr->num_sge * sizeof (struct ib_sge), | |
2324 | GFP_KERNEL); | |
2325 | if (!next) { | |
2326 | ret = -ENOMEM; | |
2327 | goto err; | |
2328 | } | |
2329 | ||
2330 | if (!last) | |
2331 | wr = next; | |
2332 | else | |
2333 | last->next = next; | |
2334 | last = next; | |
2335 | ||
2336 | next->next = NULL; | |
2337 | next->wr_id = user_wr->wr_id; | |
2338 | next->num_sge = user_wr->num_sge; | |
2339 | ||
2340 | if (next->num_sge) { | |
2341 | next->sg_list = (void *) next + | |
2342 | ALIGN(sizeof *next, sizeof (struct ib_sge)); | |
2343 | if (copy_from_user(next->sg_list, | |
2344 | buf + wr_count * wqe_size + | |
2345 | sg_ind * sizeof (struct ib_sge), | |
2346 | next->num_sge * sizeof (struct ib_sge))) { | |
2347 | ret = -EFAULT; | |
2348 | goto err; | |
2349 | } | |
2350 | sg_ind += next->num_sge; | |
2351 | } else | |
2352 | next->sg_list = NULL; | |
2353 | } | |
2354 | ||
2355 | kfree(user_wr); | |
2356 | return wr; | |
2357 | ||
2358 | err: | |
2359 | kfree(user_wr); | |
2360 | ||
2361 | while (wr) { | |
2362 | next = wr->next; | |
2363 | kfree(wr); | |
2364 | wr = next; | |
2365 | } | |
2366 | ||
2367 | return ERR_PTR(ret); | |
2368 | } | |
2369 | ||
7106a976 JG |
2370 | static int ib_uverbs_post_recv(struct uverbs_attr_bundle *attrs, |
2371 | const char __user *buf, int in_len, int out_len) | |
67cdb40c RD |
2372 | { |
2373 | struct ib_uverbs_post_recv cmd; | |
2374 | struct ib_uverbs_post_recv_resp resp; | |
d34ac5cd BVA |
2375 | struct ib_recv_wr *wr, *next; |
2376 | const struct ib_recv_wr *bad_wr; | |
67cdb40c RD |
2377 | struct ib_qp *qp; |
2378 | ssize_t ret = -EINVAL; | |
2379 | ||
2380 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2381 | return -EFAULT; | |
2382 | ||
2383 | wr = ib_uverbs_unmarshall_recv(buf + sizeof cmd, | |
2384 | in_len - sizeof cmd, cmd.wr_count, | |
2385 | cmd.sge_count, cmd.wqe_size); | |
2386 | if (IS_ERR(wr)) | |
2387 | return PTR_ERR(wr); | |
2388 | ||
8313c10f | 2389 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
9ead190b | 2390 | if (!qp) |
67cdb40c RD |
2391 | goto out; |
2392 | ||
2393 | resp.bad_wr = 0; | |
0e0ec7e0 | 2394 | ret = qp->device->post_recv(qp->real_qp, wr, &bad_wr); |
9ead190b | 2395 | |
fd3c7904 MB |
2396 | uobj_put_obj_read(qp); |
2397 | if (ret) { | |
67cdb40c RD |
2398 | for (next = wr; next; next = next->next) { |
2399 | ++resp.bad_wr; | |
2400 | if (next == bad_wr) | |
2401 | break; | |
2402 | } | |
fd3c7904 | 2403 | } |
67cdb40c | 2404 | |
40a20339 | 2405 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
67cdb40c RD |
2406 | ret = -EFAULT; |
2407 | ||
2408 | out: | |
67cdb40c RD |
2409 | while (wr) { |
2410 | next = wr->next; | |
2411 | kfree(wr); | |
2412 | wr = next; | |
2413 | } | |
2414 | ||
7106a976 | 2415 | return ret; |
67cdb40c RD |
2416 | } |
2417 | ||
7106a976 JG |
2418 | static int ib_uverbs_post_srq_recv(struct uverbs_attr_bundle *attrs, |
2419 | const char __user *buf, int in_len, | |
2420 | int out_len) | |
67cdb40c RD |
2421 | { |
2422 | struct ib_uverbs_post_srq_recv cmd; | |
2423 | struct ib_uverbs_post_srq_recv_resp resp; | |
d34ac5cd BVA |
2424 | struct ib_recv_wr *wr, *next; |
2425 | const struct ib_recv_wr *bad_wr; | |
67cdb40c RD |
2426 | struct ib_srq *srq; |
2427 | ssize_t ret = -EINVAL; | |
2428 | ||
2429 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2430 | return -EFAULT; | |
2431 | ||
2432 | wr = ib_uverbs_unmarshall_recv(buf + sizeof cmd, | |
2433 | in_len - sizeof cmd, cmd.wr_count, | |
2434 | cmd.sge_count, cmd.wqe_size); | |
2435 | if (IS_ERR(wr)) | |
2436 | return PTR_ERR(wr); | |
2437 | ||
8313c10f | 2438 | srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, attrs); |
9ead190b | 2439 | if (!srq) |
67cdb40c RD |
2440 | goto out; |
2441 | ||
2442 | resp.bad_wr = 0; | |
a140692a | 2443 | ret = srq->device->post_srq_recv(srq, wr, &bad_wr); |
9ead190b | 2444 | |
fd3c7904 | 2445 | uobj_put_obj_read(srq); |
9ead190b | 2446 | |
67cdb40c RD |
2447 | if (ret) |
2448 | for (next = wr; next; next = next->next) { | |
2449 | ++resp.bad_wr; | |
2450 | if (next == bad_wr) | |
2451 | break; | |
2452 | } | |
2453 | ||
40a20339 | 2454 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
67cdb40c RD |
2455 | ret = -EFAULT; |
2456 | ||
2457 | out: | |
67cdb40c RD |
2458 | while (wr) { |
2459 | next = wr->next; | |
2460 | kfree(wr); | |
2461 | wr = next; | |
2462 | } | |
2463 | ||
7106a976 | 2464 | return ret; |
67cdb40c RD |
2465 | } |
2466 | ||
7106a976 JG |
2467 | static int ib_uverbs_create_ah(struct uverbs_attr_bundle *attrs, |
2468 | const char __user *buf, int in_len, int out_len) | |
67cdb40c RD |
2469 | { |
2470 | struct ib_uverbs_create_ah cmd; | |
2471 | struct ib_uverbs_create_ah_resp resp; | |
2472 | struct ib_uobject *uobj; | |
2473 | struct ib_pd *pd; | |
2474 | struct ib_ah *ah; | |
fb51eeca | 2475 | struct rdma_ah_attr attr = {}; |
67cdb40c | 2476 | int ret; |
bbd51e88 | 2477 | struct ib_device *ib_dev; |
67cdb40c RD |
2478 | |
2479 | if (out_len < sizeof resp) | |
2480 | return -ENOSPC; | |
2481 | ||
2482 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2483 | return -EFAULT; | |
2484 | ||
8313c10f | 2485 | uobj = uobj_alloc(UVERBS_OBJECT_AH, attrs, &ib_dev); |
fd3c7904 MB |
2486 | if (IS_ERR(uobj)) |
2487 | return PTR_ERR(uobj); | |
67cdb40c | 2488 | |
bbd51e88 JG |
2489 | if (!rdma_is_port_valid(ib_dev, cmd.attr.port_num)) { |
2490 | ret = -EINVAL; | |
2491 | goto err; | |
2492 | } | |
2493 | ||
8313c10f | 2494 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, attrs); |
9ead190b | 2495 | if (!pd) { |
67cdb40c | 2496 | ret = -EINVAL; |
9ead190b | 2497 | goto err; |
67cdb40c RD |
2498 | } |
2499 | ||
44c58487 | 2500 | attr.type = rdma_ah_find_type(ib_dev, cmd.attr.port_num); |
d98bb7f7 | 2501 | rdma_ah_set_make_grd(&attr, false); |
d8966fcd DC |
2502 | rdma_ah_set_dlid(&attr, cmd.attr.dlid); |
2503 | rdma_ah_set_sl(&attr, cmd.attr.sl); | |
2504 | rdma_ah_set_path_bits(&attr, cmd.attr.src_path_bits); | |
2505 | rdma_ah_set_static_rate(&attr, cmd.attr.static_rate); | |
2506 | rdma_ah_set_port_num(&attr, cmd.attr.port_num); | |
2507 | ||
4ba66093 | 2508 | if (cmd.attr.is_global) { |
d8966fcd DC |
2509 | rdma_ah_set_grh(&attr, NULL, cmd.attr.grh.flow_label, |
2510 | cmd.attr.grh.sgid_index, | |
2511 | cmd.attr.grh.hop_limit, | |
2512 | cmd.attr.grh.traffic_class); | |
2513 | rdma_ah_set_dgid_raw(&attr, cmd.attr.grh.dgid); | |
4ba66093 | 2514 | } else { |
d8966fcd | 2515 | rdma_ah_set_ah_flags(&attr, 0); |
4ba66093 | 2516 | } |
477864c8 | 2517 | |
ef87df2c | 2518 | ah = rdma_create_user_ah(pd, &attr, &attrs->driver_udata); |
67cdb40c RD |
2519 | if (IS_ERR(ah)) { |
2520 | ret = PTR_ERR(ah); | |
fd3c7904 | 2521 | goto err_put; |
67cdb40c RD |
2522 | } |
2523 | ||
9ead190b | 2524 | ah->uobject = uobj; |
fd3c7904 | 2525 | uobj->user_handle = cmd.user_handle; |
9ead190b | 2526 | uobj->object = ah; |
67cdb40c | 2527 | |
67cdb40c RD |
2528 | resp.ah_handle = uobj->id; |
2529 | ||
40a20339 | 2530 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) { |
67cdb40c | 2531 | ret = -EFAULT; |
9ead190b | 2532 | goto err_copy; |
67cdb40c RD |
2533 | } |
2534 | ||
fd3c7904 | 2535 | uobj_put_obj_read(pd); |
7106a976 | 2536 | return uobj_alloc_commit(uobj); |
67cdb40c | 2537 | |
9ead190b | 2538 | err_copy: |
36523159 | 2539 | rdma_destroy_ah(ah); |
67cdb40c | 2540 | |
fd3c7904 MB |
2541 | err_put: |
2542 | uobj_put_obj_read(pd); | |
ec924b47 | 2543 | |
9ead190b | 2544 | err: |
fd3c7904 | 2545 | uobj_alloc_abort(uobj); |
67cdb40c RD |
2546 | return ret; |
2547 | } | |
2548 | ||
7106a976 JG |
2549 | static int ib_uverbs_destroy_ah(struct uverbs_attr_bundle *attrs, |
2550 | const char __user *buf, int in_len, int out_len) | |
67cdb40c RD |
2551 | { |
2552 | struct ib_uverbs_destroy_ah cmd; | |
67cdb40c RD |
2553 | |
2554 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2555 | return -EFAULT; | |
2556 | ||
7106a976 | 2557 | return uobj_perform_destroy(UVERBS_OBJECT_AH, cmd.ah_handle, attrs); |
67cdb40c RD |
2558 | } |
2559 | ||
7106a976 JG |
2560 | static int ib_uverbs_attach_mcast(struct uverbs_attr_bundle *attrs, |
2561 | const char __user *buf, int in_len, | |
2562 | int out_len) | |
bc38a6ab RD |
2563 | { |
2564 | struct ib_uverbs_attach_mcast cmd; | |
2565 | struct ib_qp *qp; | |
9ead190b | 2566 | struct ib_uqp_object *obj; |
f4e40156 | 2567 | struct ib_uverbs_mcast_entry *mcast; |
9ead190b | 2568 | int ret; |
bc38a6ab RD |
2569 | |
2570 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2571 | return -EFAULT; | |
2572 | ||
8313c10f | 2573 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
9ead190b RD |
2574 | if (!qp) |
2575 | return -EINVAL; | |
f4e40156 | 2576 | |
9ead190b | 2577 | obj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); |
f4e40156 | 2578 | |
f48b7269 | 2579 | mutex_lock(&obj->mcast_lock); |
9ead190b | 2580 | list_for_each_entry(mcast, &obj->mcast_list, list) |
f4e40156 JM |
2581 | if (cmd.mlid == mcast->lid && |
2582 | !memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) { | |
2583 | ret = 0; | |
9ead190b | 2584 | goto out_put; |
f4e40156 JM |
2585 | } |
2586 | ||
2587 | mcast = kmalloc(sizeof *mcast, GFP_KERNEL); | |
2588 | if (!mcast) { | |
2589 | ret = -ENOMEM; | |
9ead190b | 2590 | goto out_put; |
f4e40156 JM |
2591 | } |
2592 | ||
2593 | mcast->lid = cmd.mlid; | |
2594 | memcpy(mcast->gid.raw, cmd.gid, sizeof mcast->gid.raw); | |
bc38a6ab | 2595 | |
f4e40156 | 2596 | ret = ib_attach_mcast(qp, &mcast->gid, cmd.mlid); |
9ead190b RD |
2597 | if (!ret) |
2598 | list_add_tail(&mcast->list, &obj->mcast_list); | |
2599 | else | |
f4e40156 JM |
2600 | kfree(mcast); |
2601 | ||
9ead190b | 2602 | out_put: |
f48b7269 | 2603 | mutex_unlock(&obj->mcast_lock); |
fd3c7904 | 2604 | uobj_put_obj_read(qp); |
bc38a6ab | 2605 | |
7106a976 | 2606 | return ret; |
bc38a6ab RD |
2607 | } |
2608 | ||
7106a976 JG |
2609 | static int ib_uverbs_detach_mcast(struct uverbs_attr_bundle *attrs, |
2610 | const char __user *buf, int in_len, | |
2611 | int out_len) | |
bc38a6ab RD |
2612 | { |
2613 | struct ib_uverbs_detach_mcast cmd; | |
9ead190b | 2614 | struct ib_uqp_object *obj; |
bc38a6ab | 2615 | struct ib_qp *qp; |
f4e40156 | 2616 | struct ib_uverbs_mcast_entry *mcast; |
bc38a6ab | 2617 | int ret = -EINVAL; |
20c7840a | 2618 | bool found = false; |
bc38a6ab RD |
2619 | |
2620 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
2621 | return -EFAULT; | |
2622 | ||
8313c10f | 2623 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
9ead190b RD |
2624 | if (!qp) |
2625 | return -EINVAL; | |
bc38a6ab | 2626 | |
fd3c7904 | 2627 | obj = container_of(qp->uobject, struct ib_uqp_object, uevent.uobject); |
f48b7269 | 2628 | mutex_lock(&obj->mcast_lock); |
fd3c7904 | 2629 | |
9ead190b | 2630 | list_for_each_entry(mcast, &obj->mcast_list, list) |
f4e40156 JM |
2631 | if (cmd.mlid == mcast->lid && |
2632 | !memcmp(cmd.gid, mcast->gid.raw, sizeof mcast->gid.raw)) { | |
2633 | list_del(&mcast->list); | |
2634 | kfree(mcast); | |
20c7840a | 2635 | found = true; |
f4e40156 JM |
2636 | break; |
2637 | } | |
2638 | ||
20c7840a MR |
2639 | if (!found) { |
2640 | ret = -EINVAL; | |
2641 | goto out_put; | |
2642 | } | |
2643 | ||
2644 | ret = ib_detach_mcast(qp, (union ib_gid *)cmd.gid, cmd.mlid); | |
2645 | ||
9ead190b | 2646 | out_put: |
f48b7269 | 2647 | mutex_unlock(&obj->mcast_lock); |
fd3c7904 | 2648 | uobj_put_obj_read(qp); |
7106a976 | 2649 | return ret; |
bc38a6ab | 2650 | } |
f520ba5a | 2651 | |
fa76d24e | 2652 | struct ib_uflow_resources *flow_resources_alloc(size_t num_specs) |
9b828441 MB |
2653 | { |
2654 | struct ib_uflow_resources *resources; | |
2655 | ||
b6ba4a9a | 2656 | resources = kzalloc(sizeof(*resources), GFP_KERNEL); |
9b828441 MB |
2657 | |
2658 | if (!resources) | |
de749814 | 2659 | return NULL; |
b6ba4a9a | 2660 | |
a5cc9831 LR |
2661 | if (!num_specs) |
2662 | goto out; | |
2663 | ||
b6ba4a9a RS |
2664 | resources->counters = |
2665 | kcalloc(num_specs, sizeof(*resources->counters), GFP_KERNEL); | |
b6ba4a9a RS |
2666 | resources->collection = |
2667 | kcalloc(num_specs, sizeof(*resources->collection), GFP_KERNEL); | |
2668 | ||
de749814 LR |
2669 | if (!resources->counters || !resources->collection) |
2670 | goto err; | |
9b828441 | 2671 | |
a5cc9831 | 2672 | out: |
9b828441 | 2673 | resources->max = num_specs; |
9b828441 | 2674 | return resources; |
b6ba4a9a | 2675 | |
de749814 | 2676 | err: |
b6ba4a9a | 2677 | kfree(resources->counters); |
b6ba4a9a | 2678 | kfree(resources); |
de749814 | 2679 | |
b6ba4a9a | 2680 | return NULL; |
9b828441 | 2681 | } |
fa76d24e | 2682 | EXPORT_SYMBOL(flow_resources_alloc); |
9b828441 MB |
2683 | |
2684 | void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res) | |
2685 | { | |
2686 | unsigned int i; | |
2687 | ||
6cd080a6 YH |
2688 | if (!uflow_res) |
2689 | return; | |
2690 | ||
b6ba4a9a | 2691 | for (i = 0; i < uflow_res->collection_num; i++) |
9b828441 MB |
2692 | atomic_dec(&uflow_res->collection[i]->usecnt); |
2693 | ||
b6ba4a9a RS |
2694 | for (i = 0; i < uflow_res->counters_num; i++) |
2695 | atomic_dec(&uflow_res->counters[i]->usecnt); | |
2696 | ||
2697 | kfree(uflow_res->collection); | |
2698 | kfree(uflow_res->counters); | |
9b828441 MB |
2699 | kfree(uflow_res); |
2700 | } | |
fa76d24e | 2701 | EXPORT_SYMBOL(ib_uverbs_flow_resources_free); |
9b828441 | 2702 | |
fa76d24e MB |
2703 | void flow_resources_add(struct ib_uflow_resources *uflow_res, |
2704 | enum ib_flow_spec_type type, | |
2705 | void *ibobj) | |
9b828441 MB |
2706 | { |
2707 | WARN_ON(uflow_res->num >= uflow_res->max); | |
2708 | ||
b6ba4a9a RS |
2709 | switch (type) { |
2710 | case IB_FLOW_SPEC_ACTION_HANDLE: | |
2711 | atomic_inc(&((struct ib_flow_action *)ibobj)->usecnt); | |
2712 | uflow_res->collection[uflow_res->collection_num++] = | |
2713 | (struct ib_flow_action *)ibobj; | |
2714 | break; | |
2715 | case IB_FLOW_SPEC_ACTION_COUNT: | |
2716 | atomic_inc(&((struct ib_counters *)ibobj)->usecnt); | |
2717 | uflow_res->counters[uflow_res->counters_num++] = | |
2718 | (struct ib_counters *)ibobj; | |
2719 | break; | |
2720 | default: | |
2721 | WARN_ON(1); | |
2722 | } | |
2723 | ||
2724 | uflow_res->num++; | |
9b828441 | 2725 | } |
fa76d24e | 2726 | EXPORT_SYMBOL(flow_resources_add); |
9b828441 | 2727 | |
8313c10f | 2728 | static int kern_spec_to_ib_spec_action(const struct uverbs_attr_bundle *attrs, |
9b828441 MB |
2729 | struct ib_uverbs_flow_spec *kern_spec, |
2730 | union ib_flow_spec *ib_spec, | |
2731 | struct ib_uflow_resources *uflow_res) | |
94e03f11 MR |
2732 | { |
2733 | ib_spec->type = kern_spec->type; | |
2734 | switch (ib_spec->type) { | |
2735 | case IB_FLOW_SPEC_ACTION_TAG: | |
2736 | if (kern_spec->flow_tag.size != | |
2737 | sizeof(struct ib_uverbs_flow_spec_action_tag)) | |
2738 | return -EINVAL; | |
2739 | ||
2740 | ib_spec->flow_tag.size = sizeof(struct ib_flow_spec_action_tag); | |
2741 | ib_spec->flow_tag.tag_id = kern_spec->flow_tag.tag_id; | |
2742 | break; | |
483a3966 SS |
2743 | case IB_FLOW_SPEC_ACTION_DROP: |
2744 | if (kern_spec->drop.size != | |
2745 | sizeof(struct ib_uverbs_flow_spec_action_drop)) | |
2746 | return -EINVAL; | |
2747 | ||
2748 | ib_spec->drop.size = sizeof(struct ib_flow_spec_action_drop); | |
2749 | break; | |
9b828441 MB |
2750 | case IB_FLOW_SPEC_ACTION_HANDLE: |
2751 | if (kern_spec->action.size != | |
2752 | sizeof(struct ib_uverbs_flow_spec_action_handle)) | |
2753 | return -EOPNOTSUPP; | |
2754 | ib_spec->action.act = uobj_get_obj_read(flow_action, | |
2755 | UVERBS_OBJECT_FLOW_ACTION, | |
2756 | kern_spec->action.handle, | |
8313c10f | 2757 | attrs); |
9b828441 MB |
2758 | if (!ib_spec->action.act) |
2759 | return -EINVAL; | |
2760 | ib_spec->action.size = | |
2761 | sizeof(struct ib_flow_spec_action_handle); | |
b6ba4a9a RS |
2762 | flow_resources_add(uflow_res, |
2763 | IB_FLOW_SPEC_ACTION_HANDLE, | |
2764 | ib_spec->action.act); | |
9b828441 MB |
2765 | uobj_put_obj_read(ib_spec->action.act); |
2766 | break; | |
b6ba4a9a RS |
2767 | case IB_FLOW_SPEC_ACTION_COUNT: |
2768 | if (kern_spec->flow_count.size != | |
2769 | sizeof(struct ib_uverbs_flow_spec_action_count)) | |
2770 | return -EINVAL; | |
2771 | ib_spec->flow_count.counters = | |
2772 | uobj_get_obj_read(counters, | |
2773 | UVERBS_OBJECT_COUNTERS, | |
2774 | kern_spec->flow_count.handle, | |
8313c10f | 2775 | attrs); |
b6ba4a9a RS |
2776 | if (!ib_spec->flow_count.counters) |
2777 | return -EINVAL; | |
2778 | ib_spec->flow_count.size = | |
2779 | sizeof(struct ib_flow_spec_action_count); | |
2780 | flow_resources_add(uflow_res, | |
2781 | IB_FLOW_SPEC_ACTION_COUNT, | |
2782 | ib_spec->flow_count.counters); | |
2783 | uobj_put_obj_read(ib_spec->flow_count.counters); | |
2784 | break; | |
94e03f11 MR |
2785 | default: |
2786 | return -EINVAL; | |
2787 | } | |
2788 | return 0; | |
2789 | } | |
2790 | ||
766d8551 | 2791 | static size_t kern_spec_filter_sz(const struct ib_uverbs_flow_spec_hdr *spec) |
15dfbd6b MG |
2792 | { |
2793 | /* Returns user space filter size, includes padding */ | |
2794 | return (spec->size - sizeof(struct ib_uverbs_flow_spec_hdr)) / 2; | |
2795 | } | |
2796 | ||
766d8551 | 2797 | static ssize_t spec_filter_size(const void *kern_spec_filter, u16 kern_filter_size, |
15dfbd6b MG |
2798 | u16 ib_real_filter_sz) |
2799 | { | |
2800 | /* | |
2801 | * User space filter structures must be 64 bit aligned, otherwise this | |
2802 | * may pass, but we won't handle additional new attributes. | |
2803 | */ | |
2804 | ||
2805 | if (kern_filter_size > ib_real_filter_sz) { | |
2806 | if (memchr_inv(kern_spec_filter + | |
2807 | ib_real_filter_sz, 0, | |
2808 | kern_filter_size - ib_real_filter_sz)) | |
2809 | return -EINVAL; | |
2810 | return ib_real_filter_sz; | |
2811 | } | |
2812 | return kern_filter_size; | |
2813 | } | |
2814 | ||
766d8551 MB |
2815 | int ib_uverbs_kern_spec_to_ib_spec_filter(enum ib_flow_spec_type type, |
2816 | const void *kern_spec_mask, | |
2817 | const void *kern_spec_val, | |
2818 | size_t kern_filter_sz, | |
2819 | union ib_flow_spec *ib_spec) | |
436f2ad0 | 2820 | { |
15dfbd6b | 2821 | ssize_t actual_filter_sz; |
15dfbd6b | 2822 | ssize_t ib_filter_sz; |
15dfbd6b | 2823 | |
15dfbd6b MG |
2824 | /* User flow spec size must be aligned to 4 bytes */ |
2825 | if (kern_filter_sz != ALIGN(kern_filter_sz, 4)) | |
2826 | return -EINVAL; | |
2827 | ||
766d8551 MB |
2828 | ib_spec->type = type; |
2829 | ||
fbf46860 MR |
2830 | if (ib_spec->type == (IB_FLOW_SPEC_INNER | IB_FLOW_SPEC_VXLAN_TUNNEL)) |
2831 | return -EINVAL; | |
15dfbd6b | 2832 | |
fbf46860 | 2833 | switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) { |
436f2ad0 | 2834 | case IB_FLOW_SPEC_ETH: |
15dfbd6b MG |
2835 | ib_filter_sz = offsetof(struct ib_flow_eth_filter, real_sz); |
2836 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2837 | kern_filter_sz, | |
2838 | ib_filter_sz); | |
2839 | if (actual_filter_sz <= 0) | |
436f2ad0 | 2840 | return -EINVAL; |
15dfbd6b MG |
2841 | ib_spec->size = sizeof(struct ib_flow_spec_eth); |
2842 | memcpy(&ib_spec->eth.val, kern_spec_val, actual_filter_sz); | |
2843 | memcpy(&ib_spec->eth.mask, kern_spec_mask, actual_filter_sz); | |
436f2ad0 HHZ |
2844 | break; |
2845 | case IB_FLOW_SPEC_IPV4: | |
15dfbd6b MG |
2846 | ib_filter_sz = offsetof(struct ib_flow_ipv4_filter, real_sz); |
2847 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2848 | kern_filter_sz, | |
2849 | ib_filter_sz); | |
2850 | if (actual_filter_sz <= 0) | |
436f2ad0 | 2851 | return -EINVAL; |
15dfbd6b MG |
2852 | ib_spec->size = sizeof(struct ib_flow_spec_ipv4); |
2853 | memcpy(&ib_spec->ipv4.val, kern_spec_val, actual_filter_sz); | |
2854 | memcpy(&ib_spec->ipv4.mask, kern_spec_mask, actual_filter_sz); | |
436f2ad0 | 2855 | break; |
4c2aae71 | 2856 | case IB_FLOW_SPEC_IPV6: |
15dfbd6b MG |
2857 | ib_filter_sz = offsetof(struct ib_flow_ipv6_filter, real_sz); |
2858 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2859 | kern_filter_sz, | |
2860 | ib_filter_sz); | |
2861 | if (actual_filter_sz <= 0) | |
4c2aae71 | 2862 | return -EINVAL; |
15dfbd6b MG |
2863 | ib_spec->size = sizeof(struct ib_flow_spec_ipv6); |
2864 | memcpy(&ib_spec->ipv6.val, kern_spec_val, actual_filter_sz); | |
2865 | memcpy(&ib_spec->ipv6.mask, kern_spec_mask, actual_filter_sz); | |
a72c6a2b MG |
2866 | |
2867 | if ((ntohl(ib_spec->ipv6.mask.flow_label)) >= BIT(20) || | |
2868 | (ntohl(ib_spec->ipv6.val.flow_label)) >= BIT(20)) | |
2869 | return -EINVAL; | |
4c2aae71 | 2870 | break; |
436f2ad0 HHZ |
2871 | case IB_FLOW_SPEC_TCP: |
2872 | case IB_FLOW_SPEC_UDP: | |
15dfbd6b MG |
2873 | ib_filter_sz = offsetof(struct ib_flow_tcp_udp_filter, real_sz); |
2874 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2875 | kern_filter_sz, | |
2876 | ib_filter_sz); | |
2877 | if (actual_filter_sz <= 0) | |
436f2ad0 | 2878 | return -EINVAL; |
15dfbd6b MG |
2879 | ib_spec->size = sizeof(struct ib_flow_spec_tcp_udp); |
2880 | memcpy(&ib_spec->tcp_udp.val, kern_spec_val, actual_filter_sz); | |
2881 | memcpy(&ib_spec->tcp_udp.mask, kern_spec_mask, actual_filter_sz); | |
436f2ad0 | 2882 | break; |
0dbf3332 MR |
2883 | case IB_FLOW_SPEC_VXLAN_TUNNEL: |
2884 | ib_filter_sz = offsetof(struct ib_flow_tunnel_filter, real_sz); | |
2885 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2886 | kern_filter_sz, | |
2887 | ib_filter_sz); | |
2888 | if (actual_filter_sz <= 0) | |
2889 | return -EINVAL; | |
2890 | ib_spec->tunnel.size = sizeof(struct ib_flow_spec_tunnel); | |
2891 | memcpy(&ib_spec->tunnel.val, kern_spec_val, actual_filter_sz); | |
2892 | memcpy(&ib_spec->tunnel.mask, kern_spec_mask, actual_filter_sz); | |
2893 | ||
2894 | if ((ntohl(ib_spec->tunnel.mask.tunnel_id)) >= BIT(24) || | |
2895 | (ntohl(ib_spec->tunnel.val.tunnel_id)) >= BIT(24)) | |
2896 | return -EINVAL; | |
2897 | break; | |
56ab0b38 MB |
2898 | case IB_FLOW_SPEC_ESP: |
2899 | ib_filter_sz = offsetof(struct ib_flow_esp_filter, real_sz); | |
2900 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2901 | kern_filter_sz, | |
2902 | ib_filter_sz); | |
2903 | if (actual_filter_sz <= 0) | |
2904 | return -EINVAL; | |
2905 | ib_spec->esp.size = sizeof(struct ib_flow_spec_esp); | |
2906 | memcpy(&ib_spec->esp.val, kern_spec_val, actual_filter_sz); | |
2907 | memcpy(&ib_spec->esp.mask, kern_spec_mask, actual_filter_sz); | |
2908 | break; | |
d90e5e50 AL |
2909 | case IB_FLOW_SPEC_GRE: |
2910 | ib_filter_sz = offsetof(struct ib_flow_gre_filter, real_sz); | |
2911 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2912 | kern_filter_sz, | |
2913 | ib_filter_sz); | |
2914 | if (actual_filter_sz <= 0) | |
2915 | return -EINVAL; | |
2916 | ib_spec->gre.size = sizeof(struct ib_flow_spec_gre); | |
2917 | memcpy(&ib_spec->gre.val, kern_spec_val, actual_filter_sz); | |
2918 | memcpy(&ib_spec->gre.mask, kern_spec_mask, actual_filter_sz); | |
2919 | break; | |
b04f0f03 AL |
2920 | case IB_FLOW_SPEC_MPLS: |
2921 | ib_filter_sz = offsetof(struct ib_flow_mpls_filter, real_sz); | |
2922 | actual_filter_sz = spec_filter_size(kern_spec_mask, | |
2923 | kern_filter_sz, | |
2924 | ib_filter_sz); | |
2925 | if (actual_filter_sz <= 0) | |
2926 | return -EINVAL; | |
2927 | ib_spec->mpls.size = sizeof(struct ib_flow_spec_mpls); | |
2928 | memcpy(&ib_spec->mpls.val, kern_spec_val, actual_filter_sz); | |
2929 | memcpy(&ib_spec->mpls.mask, kern_spec_mask, actual_filter_sz); | |
2930 | break; | |
436f2ad0 HHZ |
2931 | default: |
2932 | return -EINVAL; | |
2933 | } | |
2934 | return 0; | |
2935 | } | |
2936 | ||
766d8551 MB |
2937 | static int kern_spec_to_ib_spec_filter(struct ib_uverbs_flow_spec *kern_spec, |
2938 | union ib_flow_spec *ib_spec) | |
2939 | { | |
2940 | ssize_t kern_filter_sz; | |
2941 | void *kern_spec_mask; | |
2942 | void *kern_spec_val; | |
2943 | ||
766d8551 MB |
2944 | kern_filter_sz = kern_spec_filter_sz(&kern_spec->hdr); |
2945 | ||
2946 | kern_spec_val = (void *)kern_spec + | |
2947 | sizeof(struct ib_uverbs_flow_spec_hdr); | |
2948 | kern_spec_mask = kern_spec_val + kern_filter_sz; | |
2949 | ||
2950 | return ib_uverbs_kern_spec_to_ib_spec_filter(kern_spec->type, | |
2951 | kern_spec_mask, | |
2952 | kern_spec_val, | |
2953 | kern_filter_sz, ib_spec); | |
2954 | } | |
2955 | ||
8313c10f | 2956 | static int kern_spec_to_ib_spec(struct uverbs_attr_bundle *attrs, |
9b828441 MB |
2957 | struct ib_uverbs_flow_spec *kern_spec, |
2958 | union ib_flow_spec *ib_spec, | |
2959 | struct ib_uflow_resources *uflow_res) | |
94e03f11 MR |
2960 | { |
2961 | if (kern_spec->reserved) | |
2962 | return -EINVAL; | |
2963 | ||
2964 | if (kern_spec->type >= IB_FLOW_SPEC_ACTION_TAG) | |
8313c10f | 2965 | return kern_spec_to_ib_spec_action(attrs, kern_spec, ib_spec, |
9b828441 | 2966 | uflow_res); |
94e03f11 MR |
2967 | else |
2968 | return kern_spec_to_ib_spec_filter(kern_spec, ib_spec); | |
2969 | } | |
2970 | ||
8313c10f | 2971 | static int ib_uverbs_ex_create_wq(struct uverbs_attr_bundle *attrs, |
ef87df2c | 2972 | struct ib_udata *ucore) |
f213c052 YH |
2973 | { |
2974 | struct ib_uverbs_ex_create_wq cmd = {}; | |
2975 | struct ib_uverbs_ex_create_wq_resp resp = {}; | |
2976 | struct ib_uwq_object *obj; | |
2977 | int err = 0; | |
2978 | struct ib_cq *cq; | |
2979 | struct ib_pd *pd; | |
2980 | struct ib_wq *wq; | |
2981 | struct ib_wq_init_attr wq_init_attr = {}; | |
2982 | size_t required_cmd_sz; | |
2983 | size_t required_resp_len; | |
bbd51e88 | 2984 | struct ib_device *ib_dev; |
f213c052 YH |
2985 | |
2986 | required_cmd_sz = offsetof(typeof(cmd), max_sge) + sizeof(cmd.max_sge); | |
2987 | required_resp_len = offsetof(typeof(resp), wqn) + sizeof(resp.wqn); | |
2988 | ||
2989 | if (ucore->inlen < required_cmd_sz) | |
2990 | return -EINVAL; | |
2991 | ||
2992 | if (ucore->outlen < required_resp_len) | |
2993 | return -ENOSPC; | |
2994 | ||
2995 | if (ucore->inlen > sizeof(cmd) && | |
2996 | !ib_is_udata_cleared(ucore, sizeof(cmd), | |
2997 | ucore->inlen - sizeof(cmd))) | |
2998 | return -EOPNOTSUPP; | |
2999 | ||
3000 | err = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
3001 | if (err) | |
3002 | return err; | |
3003 | ||
3004 | if (cmd.comp_mask) | |
3005 | return -EOPNOTSUPP; | |
3006 | ||
8313c10f | 3007 | obj = (struct ib_uwq_object *)uobj_alloc(UVERBS_OBJECT_WQ, attrs, |
bbd51e88 | 3008 | &ib_dev); |
fd3c7904 MB |
3009 | if (IS_ERR(obj)) |
3010 | return PTR_ERR(obj); | |
f213c052 | 3011 | |
8313c10f | 3012 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd.pd_handle, attrs); |
f213c052 YH |
3013 | if (!pd) { |
3014 | err = -EINVAL; | |
3015 | goto err_uobj; | |
3016 | } | |
3017 | ||
8313c10f | 3018 | cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
f213c052 YH |
3019 | if (!cq) { |
3020 | err = -EINVAL; | |
3021 | goto err_put_pd; | |
3022 | } | |
3023 | ||
3024 | wq_init_attr.cq = cq; | |
3025 | wq_init_attr.max_sge = cmd.max_sge; | |
3026 | wq_init_attr.max_wr = cmd.max_wr; | |
8313c10f | 3027 | wq_init_attr.wq_context = attrs->ufile; |
f213c052 YH |
3028 | wq_init_attr.wq_type = cmd.wq_type; |
3029 | wq_init_attr.event_handler = ib_uverbs_wq_event_handler; | |
af1cb95d NO |
3030 | if (ucore->inlen >= (offsetof(typeof(cmd), create_flags) + |
3031 | sizeof(cmd.create_flags))) | |
3032 | wq_init_attr.create_flags = cmd.create_flags; | |
f213c052 YH |
3033 | obj->uevent.events_reported = 0; |
3034 | INIT_LIST_HEAD(&obj->uevent.event_list); | |
21885586 | 3035 | |
ef87df2c | 3036 | wq = pd->device->create_wq(pd, &wq_init_attr, &attrs->driver_udata); |
f213c052 YH |
3037 | if (IS_ERR(wq)) { |
3038 | err = PTR_ERR(wq); | |
3039 | goto err_put_cq; | |
3040 | } | |
3041 | ||
3042 | wq->uobject = &obj->uevent.uobject; | |
3043 | obj->uevent.uobject.object = wq; | |
3044 | wq->wq_type = wq_init_attr.wq_type; | |
3045 | wq->cq = cq; | |
3046 | wq->pd = pd; | |
3047 | wq->device = pd->device; | |
3048 | wq->wq_context = wq_init_attr.wq_context; | |
3049 | atomic_set(&wq->usecnt, 0); | |
3050 | atomic_inc(&pd->usecnt); | |
3051 | atomic_inc(&cq->usecnt); | |
3052 | wq->uobject = &obj->uevent.uobject; | |
3053 | obj->uevent.uobject.object = wq; | |
f213c052 YH |
3054 | |
3055 | memset(&resp, 0, sizeof(resp)); | |
3056 | resp.wq_handle = obj->uevent.uobject.id; | |
3057 | resp.max_sge = wq_init_attr.max_sge; | |
3058 | resp.max_wr = wq_init_attr.max_wr; | |
3059 | resp.wqn = wq->wq_num; | |
3060 | resp.response_length = required_resp_len; | |
3061 | err = ib_copy_to_udata(ucore, | |
3062 | &resp, resp.response_length); | |
3063 | if (err) | |
3064 | goto err_copy; | |
3065 | ||
fd3c7904 MB |
3066 | uobj_put_obj_read(pd); |
3067 | uobj_put_obj_read(cq); | |
7106a976 | 3068 | return uobj_alloc_commit(&obj->uevent.uobject); |
f213c052 YH |
3069 | |
3070 | err_copy: | |
f213c052 YH |
3071 | ib_destroy_wq(wq); |
3072 | err_put_cq: | |
fd3c7904 | 3073 | uobj_put_obj_read(cq); |
f213c052 | 3074 | err_put_pd: |
fd3c7904 | 3075 | uobj_put_obj_read(pd); |
f213c052 | 3076 | err_uobj: |
fd3c7904 | 3077 | uobj_alloc_abort(&obj->uevent.uobject); |
f213c052 YH |
3078 | |
3079 | return err; | |
3080 | } | |
3081 | ||
8313c10f | 3082 | static int ib_uverbs_ex_destroy_wq(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3083 | struct ib_udata *ucore) |
f213c052 YH |
3084 | { |
3085 | struct ib_uverbs_ex_destroy_wq cmd = {}; | |
3086 | struct ib_uverbs_ex_destroy_wq_resp resp = {}; | |
f213c052 YH |
3087 | struct ib_uobject *uobj; |
3088 | struct ib_uwq_object *obj; | |
3089 | size_t required_cmd_sz; | |
3090 | size_t required_resp_len; | |
3091 | int ret; | |
3092 | ||
3093 | required_cmd_sz = offsetof(typeof(cmd), wq_handle) + sizeof(cmd.wq_handle); | |
3094 | required_resp_len = offsetof(typeof(resp), reserved) + sizeof(resp.reserved); | |
3095 | ||
3096 | if (ucore->inlen < required_cmd_sz) | |
3097 | return -EINVAL; | |
3098 | ||
3099 | if (ucore->outlen < required_resp_len) | |
3100 | return -ENOSPC; | |
3101 | ||
3102 | if (ucore->inlen > sizeof(cmd) && | |
3103 | !ib_is_udata_cleared(ucore, sizeof(cmd), | |
3104 | ucore->inlen - sizeof(cmd))) | |
3105 | return -EOPNOTSUPP; | |
3106 | ||
3107 | ret = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
3108 | if (ret) | |
3109 | return ret; | |
3110 | ||
3111 | if (cmd.comp_mask) | |
3112 | return -EOPNOTSUPP; | |
3113 | ||
3114 | resp.response_length = required_resp_len; | |
8313c10f | 3115 | uobj = uobj_get_destroy(UVERBS_OBJECT_WQ, cmd.wq_handle, attrs); |
fd3c7904 MB |
3116 | if (IS_ERR(uobj)) |
3117 | return PTR_ERR(uobj); | |
f213c052 | 3118 | |
f213c052 | 3119 | obj = container_of(uobj, struct ib_uwq_object, uevent.uobject); |
f213c052 | 3120 | resp.events_reported = obj->uevent.events_reported; |
32ed5c00 JG |
3121 | |
3122 | uobj_put_destroy(uobj); | |
f213c052 | 3123 | |
c52d8114 | 3124 | return ib_copy_to_udata(ucore, &resp, resp.response_length); |
f213c052 YH |
3125 | } |
3126 | ||
8313c10f | 3127 | static int ib_uverbs_ex_modify_wq(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3128 | struct ib_udata *ucore) |
f213c052 YH |
3129 | { |
3130 | struct ib_uverbs_ex_modify_wq cmd = {}; | |
3131 | struct ib_wq *wq; | |
3132 | struct ib_wq_attr wq_attr = {}; | |
3133 | size_t required_cmd_sz; | |
3134 | int ret; | |
3135 | ||
3136 | required_cmd_sz = offsetof(typeof(cmd), curr_wq_state) + sizeof(cmd.curr_wq_state); | |
3137 | if (ucore->inlen < required_cmd_sz) | |
3138 | return -EINVAL; | |
3139 | ||
3140 | if (ucore->inlen > sizeof(cmd) && | |
3141 | !ib_is_udata_cleared(ucore, sizeof(cmd), | |
3142 | ucore->inlen - sizeof(cmd))) | |
3143 | return -EOPNOTSUPP; | |
3144 | ||
3145 | ret = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
3146 | if (ret) | |
3147 | return ret; | |
3148 | ||
3149 | if (!cmd.attr_mask) | |
3150 | return -EINVAL; | |
3151 | ||
af1cb95d | 3152 | if (cmd.attr_mask > (IB_WQ_STATE | IB_WQ_CUR_STATE | IB_WQ_FLAGS)) |
f213c052 YH |
3153 | return -EINVAL; |
3154 | ||
8313c10f | 3155 | wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, cmd.wq_handle, attrs); |
f213c052 YH |
3156 | if (!wq) |
3157 | return -EINVAL; | |
3158 | ||
3159 | wq_attr.curr_wq_state = cmd.curr_wq_state; | |
3160 | wq_attr.wq_state = cmd.wq_state; | |
af1cb95d NO |
3161 | if (cmd.attr_mask & IB_WQ_FLAGS) { |
3162 | wq_attr.flags = cmd.flags; | |
3163 | wq_attr.flags_mask = cmd.flags_mask; | |
3164 | } | |
ef87df2c JG |
3165 | ret = wq->device->modify_wq(wq, &wq_attr, cmd.attr_mask, |
3166 | &attrs->driver_udata); | |
fd3c7904 | 3167 | uobj_put_obj_read(wq); |
f213c052 YH |
3168 | return ret; |
3169 | } | |
3170 | ||
8313c10f | 3171 | static int ib_uverbs_ex_create_rwq_ind_table(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3172 | struct ib_udata *ucore) |
de019a94 YH |
3173 | { |
3174 | struct ib_uverbs_ex_create_rwq_ind_table cmd = {}; | |
3175 | struct ib_uverbs_ex_create_rwq_ind_table_resp resp = {}; | |
3176 | struct ib_uobject *uobj; | |
3177 | int err = 0; | |
3178 | struct ib_rwq_ind_table_init_attr init_attr = {}; | |
3179 | struct ib_rwq_ind_table *rwq_ind_tbl; | |
3180 | struct ib_wq **wqs = NULL; | |
3181 | u32 *wqs_handles = NULL; | |
3182 | struct ib_wq *wq = NULL; | |
3183 | int i, j, num_read_wqs; | |
3184 | u32 num_wq_handles; | |
3185 | u32 expected_in_size; | |
3186 | size_t required_cmd_sz_header; | |
3187 | size_t required_resp_len; | |
bbd51e88 | 3188 | struct ib_device *ib_dev; |
de019a94 YH |
3189 | |
3190 | required_cmd_sz_header = offsetof(typeof(cmd), log_ind_tbl_size) + sizeof(cmd.log_ind_tbl_size); | |
3191 | required_resp_len = offsetof(typeof(resp), ind_tbl_num) + sizeof(resp.ind_tbl_num); | |
3192 | ||
3193 | if (ucore->inlen < required_cmd_sz_header) | |
3194 | return -EINVAL; | |
3195 | ||
3196 | if (ucore->outlen < required_resp_len) | |
3197 | return -ENOSPC; | |
3198 | ||
3199 | err = ib_copy_from_udata(&cmd, ucore, required_cmd_sz_header); | |
3200 | if (err) | |
3201 | return err; | |
3202 | ||
3203 | ucore->inbuf += required_cmd_sz_header; | |
3204 | ucore->inlen -= required_cmd_sz_header; | |
3205 | ||
3206 | if (cmd.comp_mask) | |
3207 | return -EOPNOTSUPP; | |
3208 | ||
3209 | if (cmd.log_ind_tbl_size > IB_USER_VERBS_MAX_LOG_IND_TBL_SIZE) | |
3210 | return -EINVAL; | |
3211 | ||
3212 | num_wq_handles = 1 << cmd.log_ind_tbl_size; | |
3213 | expected_in_size = num_wq_handles * sizeof(__u32); | |
3214 | if (num_wq_handles == 1) | |
3215 | /* input size for wq handles is u64 aligned */ | |
3216 | expected_in_size += sizeof(__u32); | |
3217 | ||
3218 | if (ucore->inlen < expected_in_size) | |
3219 | return -EINVAL; | |
3220 | ||
3221 | if (ucore->inlen > expected_in_size && | |
3222 | !ib_is_udata_cleared(ucore, expected_in_size, | |
3223 | ucore->inlen - expected_in_size)) | |
3224 | return -EOPNOTSUPP; | |
3225 | ||
3226 | wqs_handles = kcalloc(num_wq_handles, sizeof(*wqs_handles), | |
3227 | GFP_KERNEL); | |
3228 | if (!wqs_handles) | |
3229 | return -ENOMEM; | |
3230 | ||
3231 | err = ib_copy_from_udata(wqs_handles, ucore, | |
3232 | num_wq_handles * sizeof(__u32)); | |
3233 | if (err) | |
3234 | goto err_free; | |
3235 | ||
3236 | wqs = kcalloc(num_wq_handles, sizeof(*wqs), GFP_KERNEL); | |
3237 | if (!wqs) { | |
3238 | err = -ENOMEM; | |
3239 | goto err_free; | |
3240 | } | |
3241 | ||
3242 | for (num_read_wqs = 0; num_read_wqs < num_wq_handles; | |
3243 | num_read_wqs++) { | |
2cc1e3b8 | 3244 | wq = uobj_get_obj_read(wq, UVERBS_OBJECT_WQ, |
8313c10f | 3245 | wqs_handles[num_read_wqs], attrs); |
de019a94 YH |
3246 | if (!wq) { |
3247 | err = -EINVAL; | |
3248 | goto put_wqs; | |
3249 | } | |
3250 | ||
3251 | wqs[num_read_wqs] = wq; | |
3252 | } | |
3253 | ||
8313c10f | 3254 | uobj = uobj_alloc(UVERBS_OBJECT_RWQ_IND_TBL, attrs, &ib_dev); |
fd3c7904 MB |
3255 | if (IS_ERR(uobj)) { |
3256 | err = PTR_ERR(uobj); | |
de019a94 YH |
3257 | goto put_wqs; |
3258 | } | |
3259 | ||
de019a94 YH |
3260 | init_attr.log_ind_tbl_size = cmd.log_ind_tbl_size; |
3261 | init_attr.ind_tbl = wqs; | |
21885586 | 3262 | |
ef87df2c JG |
3263 | rwq_ind_tbl = ib_dev->create_rwq_ind_table(ib_dev, &init_attr, |
3264 | &attrs->driver_udata); | |
de019a94 YH |
3265 | |
3266 | if (IS_ERR(rwq_ind_tbl)) { | |
3267 | err = PTR_ERR(rwq_ind_tbl); | |
3268 | goto err_uobj; | |
3269 | } | |
3270 | ||
3271 | rwq_ind_tbl->ind_tbl = wqs; | |
3272 | rwq_ind_tbl->log_ind_tbl_size = init_attr.log_ind_tbl_size; | |
3273 | rwq_ind_tbl->uobject = uobj; | |
3274 | uobj->object = rwq_ind_tbl; | |
3275 | rwq_ind_tbl->device = ib_dev; | |
3276 | atomic_set(&rwq_ind_tbl->usecnt, 0); | |
3277 | ||
3278 | for (i = 0; i < num_wq_handles; i++) | |
3279 | atomic_inc(&wqs[i]->usecnt); | |
3280 | ||
de019a94 YH |
3281 | resp.ind_tbl_handle = uobj->id; |
3282 | resp.ind_tbl_num = rwq_ind_tbl->ind_tbl_num; | |
3283 | resp.response_length = required_resp_len; | |
3284 | ||
3285 | err = ib_copy_to_udata(ucore, | |
3286 | &resp, resp.response_length); | |
3287 | if (err) | |
3288 | goto err_copy; | |
3289 | ||
3290 | kfree(wqs_handles); | |
3291 | ||
3292 | for (j = 0; j < num_read_wqs; j++) | |
fd3c7904 | 3293 | uobj_put_obj_read(wqs[j]); |
de019a94 | 3294 | |
7106a976 | 3295 | return uobj_alloc_commit(uobj); |
de019a94 YH |
3296 | |
3297 | err_copy: | |
de019a94 YH |
3298 | ib_destroy_rwq_ind_table(rwq_ind_tbl); |
3299 | err_uobj: | |
fd3c7904 | 3300 | uobj_alloc_abort(uobj); |
de019a94 YH |
3301 | put_wqs: |
3302 | for (j = 0; j < num_read_wqs; j++) | |
fd3c7904 | 3303 | uobj_put_obj_read(wqs[j]); |
de019a94 YH |
3304 | err_free: |
3305 | kfree(wqs_handles); | |
3306 | kfree(wqs); | |
3307 | return err; | |
3308 | } | |
3309 | ||
8313c10f | 3310 | static int ib_uverbs_ex_destroy_rwq_ind_table(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3311 | struct ib_udata *ucore) |
de019a94 YH |
3312 | { |
3313 | struct ib_uverbs_ex_destroy_rwq_ind_table cmd = {}; | |
de019a94 | 3314 | int ret; |
de019a94 YH |
3315 | size_t required_cmd_sz; |
3316 | ||
3317 | required_cmd_sz = offsetof(typeof(cmd), ind_tbl_handle) + sizeof(cmd.ind_tbl_handle); | |
3318 | ||
3319 | if (ucore->inlen < required_cmd_sz) | |
3320 | return -EINVAL; | |
3321 | ||
3322 | if (ucore->inlen > sizeof(cmd) && | |
3323 | !ib_is_udata_cleared(ucore, sizeof(cmd), | |
3324 | ucore->inlen - sizeof(cmd))) | |
3325 | return -EOPNOTSUPP; | |
3326 | ||
3327 | ret = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
3328 | if (ret) | |
3329 | return ret; | |
3330 | ||
3331 | if (cmd.comp_mask) | |
3332 | return -EOPNOTSUPP; | |
3333 | ||
c33e73af | 3334 | return uobj_perform_destroy(UVERBS_OBJECT_RWQ_IND_TBL, |
7106a976 | 3335 | cmd.ind_tbl_handle, attrs); |
de019a94 YH |
3336 | } |
3337 | ||
8313c10f | 3338 | static int ib_uverbs_ex_create_flow(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3339 | struct ib_udata *ucore) |
436f2ad0 HHZ |
3340 | { |
3341 | struct ib_uverbs_create_flow cmd; | |
3342 | struct ib_uverbs_create_flow_resp resp; | |
3343 | struct ib_uobject *uobj; | |
3344 | struct ib_flow *flow_id; | |
d82693da | 3345 | struct ib_uverbs_flow_attr *kern_flow_attr; |
436f2ad0 HHZ |
3346 | struct ib_flow_attr *flow_attr; |
3347 | struct ib_qp *qp; | |
9b828441 | 3348 | struct ib_uflow_resources *uflow_res; |
4fae7f17 | 3349 | struct ib_uverbs_flow_spec_hdr *kern_spec; |
436f2ad0 | 3350 | int err = 0; |
436f2ad0 HHZ |
3351 | void *ib_spec; |
3352 | int i; | |
bbd51e88 | 3353 | struct ib_device *ib_dev; |
436f2ad0 | 3354 | |
6bcca3d4 YD |
3355 | if (ucore->inlen < sizeof(cmd)) |
3356 | return -EINVAL; | |
3357 | ||
f21519b2 | 3358 | if (ucore->outlen < sizeof(resp)) |
436f2ad0 HHZ |
3359 | return -ENOSPC; |
3360 | ||
f21519b2 YD |
3361 | err = ib_copy_from_udata(&cmd, ucore, sizeof(cmd)); |
3362 | if (err) | |
3363 | return err; | |
3364 | ||
3365 | ucore->inbuf += sizeof(cmd); | |
3366 | ucore->inlen -= sizeof(cmd); | |
436f2ad0 | 3367 | |
22878dbc MB |
3368 | if (cmd.comp_mask) |
3369 | return -EINVAL; | |
3370 | ||
e3b6d8cf | 3371 | if (!capable(CAP_NET_RAW)) |
436f2ad0 HHZ |
3372 | return -EPERM; |
3373 | ||
a3100a78 MV |
3374 | if (cmd.flow_attr.flags >= IB_FLOW_ATTR_FLAGS_RESERVED) |
3375 | return -EINVAL; | |
3376 | ||
3377 | if ((cmd.flow_attr.flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) && | |
3378 | ((cmd.flow_attr.type == IB_FLOW_ATTR_ALL_DEFAULT) || | |
3379 | (cmd.flow_attr.type == IB_FLOW_ATTR_MC_DEFAULT))) | |
3380 | return -EINVAL; | |
3381 | ||
f8848274 | 3382 | if (cmd.flow_attr.num_of_specs > IB_FLOW_SPEC_SUPPORT_LAYERS) |
22878dbc MB |
3383 | return -EINVAL; |
3384 | ||
f21519b2 | 3385 | if (cmd.flow_attr.size > ucore->inlen || |
f8848274 | 3386 | cmd.flow_attr.size > |
b68c9560 | 3387 | (cmd.flow_attr.num_of_specs * sizeof(struct ib_uverbs_flow_spec))) |
22878dbc MB |
3388 | return -EINVAL; |
3389 | ||
c780d82a YD |
3390 | if (cmd.flow_attr.reserved[0] || |
3391 | cmd.flow_attr.reserved[1]) | |
3392 | return -EINVAL; | |
3393 | ||
436f2ad0 | 3394 | if (cmd.flow_attr.num_of_specs) { |
f8848274 MB |
3395 | kern_flow_attr = kmalloc(sizeof(*kern_flow_attr) + cmd.flow_attr.size, |
3396 | GFP_KERNEL); | |
436f2ad0 HHZ |
3397 | if (!kern_flow_attr) |
3398 | return -ENOMEM; | |
3399 | ||
4fae7f17 LR |
3400 | *kern_flow_attr = cmd.flow_attr; |
3401 | err = ib_copy_from_udata(&kern_flow_attr->flow_specs, ucore, | |
f21519b2 YD |
3402 | cmd.flow_attr.size); |
3403 | if (err) | |
436f2ad0 | 3404 | goto err_free_attr; |
436f2ad0 HHZ |
3405 | } else { |
3406 | kern_flow_attr = &cmd.flow_attr; | |
436f2ad0 HHZ |
3407 | } |
3408 | ||
8313c10f | 3409 | uobj = uobj_alloc(UVERBS_OBJECT_FLOW, attrs, &ib_dev); |
fd3c7904 MB |
3410 | if (IS_ERR(uobj)) { |
3411 | err = PTR_ERR(uobj); | |
436f2ad0 HHZ |
3412 | goto err_free_attr; |
3413 | } | |
436f2ad0 | 3414 | |
8313c10f | 3415 | qp = uobj_get_obj_read(qp, UVERBS_OBJECT_QP, cmd.qp_handle, attrs); |
436f2ad0 HHZ |
3416 | if (!qp) { |
3417 | err = -EINVAL; | |
3418 | goto err_uobj; | |
3419 | } | |
3420 | ||
940efcc8 LR |
3421 | if (qp->qp_type != IB_QPT_UD && qp->qp_type != IB_QPT_RAW_PACKET) { |
3422 | err = -EINVAL; | |
3423 | goto err_put; | |
3424 | } | |
3425 | ||
7654cb1b MW |
3426 | flow_attr = kzalloc(struct_size(flow_attr, flows, |
3427 | cmd.flow_attr.num_of_specs), GFP_KERNEL); | |
436f2ad0 HHZ |
3428 | if (!flow_attr) { |
3429 | err = -ENOMEM; | |
3430 | goto err_put; | |
3431 | } | |
9b828441 MB |
3432 | uflow_res = flow_resources_alloc(cmd.flow_attr.num_of_specs); |
3433 | if (!uflow_res) { | |
3434 | err = -ENOMEM; | |
3435 | goto err_free_flow_attr; | |
3436 | } | |
436f2ad0 HHZ |
3437 | |
3438 | flow_attr->type = kern_flow_attr->type; | |
3439 | flow_attr->priority = kern_flow_attr->priority; | |
3440 | flow_attr->num_of_specs = kern_flow_attr->num_of_specs; | |
3441 | flow_attr->port = kern_flow_attr->port; | |
3442 | flow_attr->flags = kern_flow_attr->flags; | |
3443 | flow_attr->size = sizeof(*flow_attr); | |
3444 | ||
4fae7f17 | 3445 | kern_spec = kern_flow_attr->flow_specs; |
436f2ad0 | 3446 | ib_spec = flow_attr + 1; |
f8848274 | 3447 | for (i = 0; i < flow_attr->num_of_specs && |
fe48aecb | 3448 | cmd.flow_attr.size >= sizeof(*kern_spec) && |
4fae7f17 LR |
3449 | cmd.flow_attr.size >= kern_spec->size; |
3450 | i++) { | |
3451 | err = kern_spec_to_ib_spec( | |
8313c10f | 3452 | attrs, (struct ib_uverbs_flow_spec *)kern_spec, |
4fae7f17 | 3453 | ib_spec, uflow_res); |
436f2ad0 HHZ |
3454 | if (err) |
3455 | goto err_free; | |
b04f0f03 | 3456 | |
436f2ad0 HHZ |
3457 | flow_attr->size += |
3458 | ((union ib_flow_spec *) ib_spec)->size; | |
4fae7f17 LR |
3459 | cmd.flow_attr.size -= kern_spec->size; |
3460 | kern_spec = ((void *)kern_spec) + kern_spec->size; | |
436f2ad0 HHZ |
3461 | ib_spec += ((union ib_flow_spec *) ib_spec)->size; |
3462 | } | |
f8848274 MB |
3463 | if (cmd.flow_attr.size || (i != flow_attr->num_of_specs)) { |
3464 | pr_warn("create flow failed, flow %d: %d bytes left from uverb cmd\n", | |
3465 | i, cmd.flow_attr.size); | |
98a37510 | 3466 | err = -EINVAL; |
436f2ad0 HHZ |
3467 | goto err_free; |
3468 | } | |
59082a32 | 3469 | |
ef87df2c JG |
3470 | flow_id = qp->device->create_flow(qp, flow_attr, IB_FLOW_DOMAIN_USER, |
3471 | &attrs->driver_udata); | |
59082a32 | 3472 | |
436f2ad0 HHZ |
3473 | if (IS_ERR(flow_id)) { |
3474 | err = PTR_ERR(flow_id); | |
fd3c7904 | 3475 | goto err_free; |
436f2ad0 | 3476 | } |
86e1d464 MB |
3477 | |
3478 | ib_set_flow(uobj, flow_id, qp, qp->device, uflow_res); | |
436f2ad0 | 3479 | |
436f2ad0 HHZ |
3480 | memset(&resp, 0, sizeof(resp)); |
3481 | resp.flow_handle = uobj->id; | |
3482 | ||
f21519b2 YD |
3483 | err = ib_copy_to_udata(ucore, |
3484 | &resp, sizeof(resp)); | |
3485 | if (err) | |
436f2ad0 | 3486 | goto err_copy; |
436f2ad0 | 3487 | |
fd3c7904 | 3488 | uobj_put_obj_read(qp); |
436f2ad0 HHZ |
3489 | kfree(flow_attr); |
3490 | if (cmd.flow_attr.num_of_specs) | |
3491 | kfree(kern_flow_attr); | |
7106a976 | 3492 | return uobj_alloc_commit(uobj); |
436f2ad0 | 3493 | err_copy: |
1ccddc42 LR |
3494 | if (!qp->device->destroy_flow(flow_id)) |
3495 | atomic_dec(&qp->usecnt); | |
436f2ad0 | 3496 | err_free: |
9b828441 MB |
3497 | ib_uverbs_flow_resources_free(uflow_res); |
3498 | err_free_flow_attr: | |
436f2ad0 HHZ |
3499 | kfree(flow_attr); |
3500 | err_put: | |
fd3c7904 | 3501 | uobj_put_obj_read(qp); |
436f2ad0 | 3502 | err_uobj: |
fd3c7904 | 3503 | uobj_alloc_abort(uobj); |
436f2ad0 HHZ |
3504 | err_free_attr: |
3505 | if (cmd.flow_attr.num_of_specs) | |
3506 | kfree(kern_flow_attr); | |
3507 | return err; | |
3508 | } | |
3509 | ||
8313c10f | 3510 | static int ib_uverbs_ex_destroy_flow(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3511 | struct ib_udata *ucore) |
f21519b2 | 3512 | { |
436f2ad0 | 3513 | struct ib_uverbs_destroy_flow cmd; |
436f2ad0 HHZ |
3514 | int ret; |
3515 | ||
6bcca3d4 YD |
3516 | if (ucore->inlen < sizeof(cmd)) |
3517 | return -EINVAL; | |
3518 | ||
f21519b2 YD |
3519 | ret = ib_copy_from_udata(&cmd, ucore, sizeof(cmd)); |
3520 | if (ret) | |
3521 | return ret; | |
436f2ad0 | 3522 | |
2782c2d3 YD |
3523 | if (cmd.comp_mask) |
3524 | return -EINVAL; | |
3525 | ||
7106a976 | 3526 | return uobj_perform_destroy(UVERBS_OBJECT_FLOW, cmd.flow_handle, attrs); |
436f2ad0 HHZ |
3527 | } |
3528 | ||
8313c10f | 3529 | static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, |
c89d1bed SH |
3530 | struct ib_uverbs_create_xsrq *cmd, |
3531 | struct ib_udata *udata) | |
f520ba5a | 3532 | { |
f520ba5a | 3533 | struct ib_uverbs_create_srq_resp resp; |
8541f8de | 3534 | struct ib_usrq_object *obj; |
f520ba5a RD |
3535 | struct ib_pd *pd; |
3536 | struct ib_srq *srq; | |
8541f8de | 3537 | struct ib_uobject *uninitialized_var(xrcd_uobj); |
f520ba5a RD |
3538 | struct ib_srq_init_attr attr; |
3539 | int ret; | |
bbd51e88 | 3540 | struct ib_device *ib_dev; |
f520ba5a | 3541 | |
8313c10f | 3542 | obj = (struct ib_usrq_object *)uobj_alloc(UVERBS_OBJECT_SRQ, attrs, |
bbd51e88 | 3543 | &ib_dev); |
fd3c7904 MB |
3544 | if (IS_ERR(obj)) |
3545 | return PTR_ERR(obj); | |
f520ba5a | 3546 | |
38eb44fa AK |
3547 | if (cmd->srq_type == IB_SRQT_TM) |
3548 | attr.ext.tag_matching.max_num_tags = cmd->max_num_tags; | |
3549 | ||
8541f8de | 3550 | if (cmd->srq_type == IB_SRQT_XRC) { |
1f7ff9d5 | 3551 | xrcd_uobj = uobj_get_read(UVERBS_OBJECT_XRCD, cmd->xrcd_handle, |
8313c10f | 3552 | attrs); |
fd3c7904 | 3553 | if (IS_ERR(xrcd_uobj)) { |
8541f8de | 3554 | ret = -EINVAL; |
5909ce54 | 3555 | goto err; |
8541f8de SH |
3556 | } |
3557 | ||
fd3c7904 MB |
3558 | attr.ext.xrc.xrcd = (struct ib_xrcd *)xrcd_uobj->object; |
3559 | if (!attr.ext.xrc.xrcd) { | |
3560 | ret = -EINVAL; | |
3561 | goto err_put_xrcd; | |
3562 | } | |
3563 | ||
8541f8de SH |
3564 | obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, uobject); |
3565 | atomic_inc(&obj->uxrcd->refcnt); | |
1a56ff6d | 3566 | } |
5909ce54 | 3567 | |
1a56ff6d | 3568 | if (ib_srq_has_cq(cmd->srq_type)) { |
2cc1e3b8 | 3569 | attr.ext.cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, |
8313c10f | 3570 | cmd->cq_handle, attrs); |
1a56ff6d | 3571 | if (!attr.ext.cq) { |
5909ce54 RD |
3572 | ret = -EINVAL; |
3573 | goto err_put_xrcd; | |
3574 | } | |
3575 | } | |
3576 | ||
8313c10f | 3577 | pd = uobj_get_obj_read(pd, UVERBS_OBJECT_PD, cmd->pd_handle, attrs); |
5909ce54 RD |
3578 | if (!pd) { |
3579 | ret = -EINVAL; | |
3580 | goto err_put_cq; | |
8541f8de SH |
3581 | } |
3582 | ||
f520ba5a | 3583 | attr.event_handler = ib_uverbs_srq_event_handler; |
8313c10f | 3584 | attr.srq_context = attrs->ufile; |
8541f8de SH |
3585 | attr.srq_type = cmd->srq_type; |
3586 | attr.attr.max_wr = cmd->max_wr; | |
3587 | attr.attr.max_sge = cmd->max_sge; | |
3588 | attr.attr.srq_limit = cmd->srq_limit; | |
f520ba5a | 3589 | |
8541f8de SH |
3590 | obj->uevent.events_reported = 0; |
3591 | INIT_LIST_HEAD(&obj->uevent.event_list); | |
f520ba5a | 3592 | |
8541f8de | 3593 | srq = pd->device->create_srq(pd, &attr, udata); |
f520ba5a RD |
3594 | if (IS_ERR(srq)) { |
3595 | ret = PTR_ERR(srq); | |
ec924b47 | 3596 | goto err_put; |
f520ba5a RD |
3597 | } |
3598 | ||
8541f8de SH |
3599 | srq->device = pd->device; |
3600 | srq->pd = pd; | |
3601 | srq->srq_type = cmd->srq_type; | |
3602 | srq->uobject = &obj->uevent.uobject; | |
f520ba5a RD |
3603 | srq->event_handler = attr.event_handler; |
3604 | srq->srq_context = attr.srq_context; | |
8541f8de | 3605 | |
1a56ff6d AK |
3606 | if (ib_srq_has_cq(cmd->srq_type)) { |
3607 | srq->ext.cq = attr.ext.cq; | |
3608 | atomic_inc(&attr.ext.cq->usecnt); | |
3609 | } | |
3610 | ||
8541f8de | 3611 | if (cmd->srq_type == IB_SRQT_XRC) { |
8541f8de | 3612 | srq->ext.xrc.xrcd = attr.ext.xrc.xrcd; |
8541f8de SH |
3613 | atomic_inc(&attr.ext.xrc.xrcd->usecnt); |
3614 | } | |
3615 | ||
f520ba5a RD |
3616 | atomic_inc(&pd->usecnt); |
3617 | atomic_set(&srq->usecnt, 0); | |
3618 | ||
8541f8de | 3619 | obj->uevent.uobject.object = srq; |
fd3c7904 | 3620 | obj->uevent.uobject.user_handle = cmd->user_handle; |
f520ba5a | 3621 | |
9ead190b | 3622 | memset(&resp, 0, sizeof resp); |
8541f8de | 3623 | resp.srq_handle = obj->uevent.uobject.id; |
ea88fd16 DB |
3624 | resp.max_wr = attr.attr.max_wr; |
3625 | resp.max_sge = attr.attr.max_sge; | |
8541f8de SH |
3626 | if (cmd->srq_type == IB_SRQT_XRC) |
3627 | resp.srqn = srq->ext.xrc.srq_num; | |
f520ba5a | 3628 | |
6f57c933 | 3629 | if (copy_to_user(u64_to_user_ptr(cmd->response), |
f520ba5a RD |
3630 | &resp, sizeof resp)) { |
3631 | ret = -EFAULT; | |
9ead190b | 3632 | goto err_copy; |
f520ba5a RD |
3633 | } |
3634 | ||
1a56ff6d | 3635 | if (cmd->srq_type == IB_SRQT_XRC) |
fd3c7904 | 3636 | uobj_put_read(xrcd_uobj); |
1a56ff6d AK |
3637 | |
3638 | if (ib_srq_has_cq(cmd->srq_type)) | |
3639 | uobj_put_obj_read(attr.ext.cq); | |
3640 | ||
fd3c7904 | 3641 | uobj_put_obj_read(pd); |
7106a976 | 3642 | return uobj_alloc_commit(&obj->uevent.uobject); |
f520ba5a | 3643 | |
9ead190b | 3644 | err_copy: |
f520ba5a RD |
3645 | ib_destroy_srq(srq); |
3646 | ||
ec924b47 | 3647 | err_put: |
fd3c7904 | 3648 | uobj_put_obj_read(pd); |
8541f8de SH |
3649 | |
3650 | err_put_cq: | |
1a56ff6d AK |
3651 | if (ib_srq_has_cq(cmd->srq_type)) |
3652 | uobj_put_obj_read(attr.ext.cq); | |
8541f8de | 3653 | |
5909ce54 RD |
3654 | err_put_xrcd: |
3655 | if (cmd->srq_type == IB_SRQT_XRC) { | |
3656 | atomic_dec(&obj->uxrcd->refcnt); | |
fd3c7904 | 3657 | uobj_put_read(xrcd_uobj); |
5909ce54 | 3658 | } |
ec924b47 | 3659 | |
9ead190b | 3660 | err: |
fd3c7904 | 3661 | uobj_alloc_abort(&obj->uevent.uobject); |
f520ba5a RD |
3662 | return ret; |
3663 | } | |
3664 | ||
7106a976 JG |
3665 | static int ib_uverbs_create_srq(struct uverbs_attr_bundle *attrs, |
3666 | const char __user *buf, int in_len, int out_len) | |
8541f8de SH |
3667 | { |
3668 | struct ib_uverbs_create_srq cmd; | |
3669 | struct ib_uverbs_create_xsrq xcmd; | |
3670 | struct ib_uverbs_create_srq_resp resp; | |
8541f8de SH |
3671 | |
3672 | if (out_len < sizeof resp) | |
3673 | return -ENOSPC; | |
3674 | ||
3675 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
3676 | return -EFAULT; | |
3677 | ||
38eb44fa | 3678 | memset(&xcmd, 0, sizeof(xcmd)); |
8541f8de SH |
3679 | xcmd.response = cmd.response; |
3680 | xcmd.user_handle = cmd.user_handle; | |
3681 | xcmd.srq_type = IB_SRQT_BASIC; | |
3682 | xcmd.pd_handle = cmd.pd_handle; | |
3683 | xcmd.max_wr = cmd.max_wr; | |
3684 | xcmd.max_sge = cmd.max_sge; | |
3685 | xcmd.srq_limit = cmd.srq_limit; | |
3686 | ||
ef87df2c | 3687 | return __uverbs_create_xsrq(attrs, &xcmd, &attrs->driver_udata); |
8541f8de SH |
3688 | } |
3689 | ||
7106a976 JG |
3690 | static int ib_uverbs_create_xsrq(struct uverbs_attr_bundle *attrs, |
3691 | const char __user *buf, int in_len, | |
3692 | int out_len) | |
8541f8de SH |
3693 | { |
3694 | struct ib_uverbs_create_xsrq cmd; | |
3695 | struct ib_uverbs_create_srq_resp resp; | |
8541f8de SH |
3696 | |
3697 | if (out_len < sizeof resp) | |
3698 | return -ENOSPC; | |
3699 | ||
3700 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
3701 | return -EFAULT; | |
3702 | ||
ef87df2c | 3703 | return __uverbs_create_xsrq(attrs, &cmd, &attrs->driver_udata); |
8541f8de SH |
3704 | } |
3705 | ||
7106a976 JG |
3706 | static int ib_uverbs_modify_srq(struct uverbs_attr_bundle *attrs, |
3707 | const char __user *buf, int in_len, int out_len) | |
f520ba5a RD |
3708 | { |
3709 | struct ib_uverbs_modify_srq cmd; | |
3710 | struct ib_srq *srq; | |
3711 | struct ib_srq_attr attr; | |
3712 | int ret; | |
3713 | ||
3714 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
3715 | return -EFAULT; | |
3716 | ||
8313c10f | 3717 | srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, attrs); |
9ead190b RD |
3718 | if (!srq) |
3719 | return -EINVAL; | |
f520ba5a RD |
3720 | |
3721 | attr.max_wr = cmd.max_wr; | |
f520ba5a RD |
3722 | attr.srq_limit = cmd.srq_limit; |
3723 | ||
ef87df2c JG |
3724 | ret = srq->device->modify_srq(srq, &attr, cmd.attr_mask, |
3725 | &attrs->driver_udata); | |
f520ba5a | 3726 | |
fd3c7904 | 3727 | uobj_put_obj_read(srq); |
f520ba5a | 3728 | |
7106a976 | 3729 | return ret; |
f520ba5a RD |
3730 | } |
3731 | ||
7106a976 JG |
3732 | static int ib_uverbs_query_srq(struct uverbs_attr_bundle *attrs, |
3733 | const char __user *buf, int in_len, int out_len) | |
8bdb0e86 DB |
3734 | { |
3735 | struct ib_uverbs_query_srq cmd; | |
3736 | struct ib_uverbs_query_srq_resp resp; | |
3737 | struct ib_srq_attr attr; | |
3738 | struct ib_srq *srq; | |
3739 | int ret; | |
3740 | ||
3741 | if (out_len < sizeof resp) | |
3742 | return -ENOSPC; | |
3743 | ||
3744 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
3745 | return -EFAULT; | |
3746 | ||
8313c10f | 3747 | srq = uobj_get_obj_read(srq, UVERBS_OBJECT_SRQ, cmd.srq_handle, attrs); |
9ead190b RD |
3748 | if (!srq) |
3749 | return -EINVAL; | |
8bdb0e86 | 3750 | |
9ead190b | 3751 | ret = ib_query_srq(srq, &attr); |
8bdb0e86 | 3752 | |
fd3c7904 | 3753 | uobj_put_obj_read(srq); |
8bdb0e86 DB |
3754 | |
3755 | if (ret) | |
9ead190b | 3756 | return ret; |
8bdb0e86 DB |
3757 | |
3758 | memset(&resp, 0, sizeof resp); | |
3759 | ||
3760 | resp.max_wr = attr.max_wr; | |
3761 | resp.max_sge = attr.max_sge; | |
3762 | resp.srq_limit = attr.srq_limit; | |
3763 | ||
40a20339 | 3764 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof resp)) |
9ead190b | 3765 | return -EFAULT; |
8bdb0e86 | 3766 | |
7106a976 | 3767 | return 0; |
8bdb0e86 DB |
3768 | } |
3769 | ||
7106a976 JG |
3770 | static int ib_uverbs_destroy_srq(struct uverbs_attr_bundle *attrs, |
3771 | const char __user *buf, int in_len, | |
3772 | int out_len) | |
f520ba5a | 3773 | { |
63aaf647 RD |
3774 | struct ib_uverbs_destroy_srq cmd; |
3775 | struct ib_uverbs_destroy_srq_resp resp; | |
9ead190b | 3776 | struct ib_uobject *uobj; |
9ead190b | 3777 | struct ib_uevent_object *obj; |
f520ba5a RD |
3778 | |
3779 | if (copy_from_user(&cmd, buf, sizeof cmd)) | |
3780 | return -EFAULT; | |
3781 | ||
8313c10f | 3782 | uobj = uobj_get_destroy(UVERBS_OBJECT_SRQ, cmd.srq_handle, attrs); |
fd3c7904 MB |
3783 | if (IS_ERR(uobj)) |
3784 | return PTR_ERR(uobj); | |
3785 | ||
9ead190b | 3786 | obj = container_of(uobj, struct ib_uevent_object, uobject); |
fd3c7904 | 3787 | memset(&resp, 0, sizeof(resp)); |
9ead190b | 3788 | resp.events_reported = obj->events_reported; |
32ed5c00 JG |
3789 | |
3790 | uobj_put_destroy(uobj); | |
3791 | ||
40a20339 | 3792 | if (copy_to_user(u64_to_user_ptr(cmd.response), &resp, sizeof(resp))) |
fd3c7904 | 3793 | return -EFAULT; |
63aaf647 | 3794 | |
7106a976 | 3795 | return 0; |
f520ba5a | 3796 | } |
02d1aa7a | 3797 | |
8313c10f | 3798 | static int ib_uverbs_ex_query_device(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3799 | struct ib_udata *ucore) |
02d1aa7a | 3800 | { |
2953f425 | 3801 | struct ib_uverbs_ex_query_device_resp resp = { {0} }; |
02d1aa7a | 3802 | struct ib_uverbs_ex_query_device cmd; |
2953f425 | 3803 | struct ib_device_attr attr = {0}; |
bbd51e88 JG |
3804 | struct ib_ucontext *ucontext; |
3805 | struct ib_device *ib_dev; | |
02d1aa7a EC |
3806 | int err; |
3807 | ||
8313c10f | 3808 | ucontext = ib_uverbs_get_ucontext(attrs); |
bbd51e88 JG |
3809 | if (IS_ERR(ucontext)) |
3810 | return PTR_ERR(ucontext); | |
3811 | ib_dev = ucontext->device; | |
3812 | ||
02d1aa7a EC |
3813 | if (ucore->inlen < sizeof(cmd)) |
3814 | return -EINVAL; | |
3815 | ||
3816 | err = ib_copy_from_udata(&cmd, ucore, sizeof(cmd)); | |
3817 | if (err) | |
3818 | return err; | |
3819 | ||
3820 | if (cmd.comp_mask) | |
3821 | return -EINVAL; | |
3822 | ||
3823 | if (cmd.reserved) | |
3824 | return -EINVAL; | |
3825 | ||
f4056bfd | 3826 | resp.response_length = offsetof(typeof(resp), odp_caps); |
02d1aa7a EC |
3827 | |
3828 | if (ucore->outlen < resp.response_length) | |
3829 | return -ENOSPC; | |
3830 | ||
ef87df2c | 3831 | err = ib_dev->query_device(ib_dev, &attr, &attrs->driver_udata); |
02d1aa7a EC |
3832 | if (err) |
3833 | return err; | |
3834 | ||
bbd51e88 | 3835 | copy_query_dev_fields(ucontext, &resp.base, &attr); |
02d1aa7a | 3836 | |
f4056bfd HE |
3837 | if (ucore->outlen < resp.response_length + sizeof(resp.odp_caps)) |
3838 | goto end; | |
3839 | ||
3840 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING | |
3841 | resp.odp_caps.general_caps = attr.odp_caps.general_caps; | |
3842 | resp.odp_caps.per_transport_caps.rc_odp_caps = | |
3843 | attr.odp_caps.per_transport_caps.rc_odp_caps; | |
3844 | resp.odp_caps.per_transport_caps.uc_odp_caps = | |
3845 | attr.odp_caps.per_transport_caps.uc_odp_caps; | |
3846 | resp.odp_caps.per_transport_caps.ud_odp_caps = | |
3847 | attr.odp_caps.per_transport_caps.ud_odp_caps; | |
f4056bfd HE |
3848 | #endif |
3849 | resp.response_length += sizeof(resp.odp_caps); | |
3850 | ||
24306dc6 MB |
3851 | if (ucore->outlen < resp.response_length + sizeof(resp.timestamp_mask)) |
3852 | goto end; | |
3853 | ||
3854 | resp.timestamp_mask = attr.timestamp_mask; | |
3855 | resp.response_length += sizeof(resp.timestamp_mask); | |
3856 | ||
3857 | if (ucore->outlen < resp.response_length + sizeof(resp.hca_core_clock)) | |
3858 | goto end; | |
3859 | ||
3860 | resp.hca_core_clock = attr.hca_core_clock; | |
3861 | resp.response_length += sizeof(resp.hca_core_clock); | |
3862 | ||
0b24e5ac MD |
3863 | if (ucore->outlen < resp.response_length + sizeof(resp.device_cap_flags_ex)) |
3864 | goto end; | |
3865 | ||
3866 | resp.device_cap_flags_ex = attr.device_cap_flags; | |
3867 | resp.response_length += sizeof(resp.device_cap_flags_ex); | |
47adf2f4 YH |
3868 | |
3869 | if (ucore->outlen < resp.response_length + sizeof(resp.rss_caps)) | |
3870 | goto end; | |
3871 | ||
3872 | resp.rss_caps.supported_qpts = attr.rss_caps.supported_qpts; | |
3873 | resp.rss_caps.max_rwq_indirection_tables = | |
3874 | attr.rss_caps.max_rwq_indirection_tables; | |
3875 | resp.rss_caps.max_rwq_indirection_table_size = | |
3876 | attr.rss_caps.max_rwq_indirection_table_size; | |
3877 | ||
3878 | resp.response_length += sizeof(resp.rss_caps); | |
3879 | ||
3880 | if (ucore->outlen < resp.response_length + sizeof(resp.max_wq_type_rq)) | |
3881 | goto end; | |
3882 | ||
3883 | resp.max_wq_type_rq = attr.max_wq_type_rq; | |
3884 | resp.response_length += sizeof(resp.max_wq_type_rq); | |
5f23d426 NO |
3885 | |
3886 | if (ucore->outlen < resp.response_length + sizeof(resp.raw_packet_caps)) | |
3887 | goto end; | |
3888 | ||
3889 | resp.raw_packet_caps = attr.raw_packet_caps; | |
3890 | resp.response_length += sizeof(resp.raw_packet_caps); | |
8d50505a | 3891 | |
78b1beb0 | 3892 | if (ucore->outlen < resp.response_length + sizeof(resp.tm_caps)) |
8d50505a AK |
3893 | goto end; |
3894 | ||
78b1beb0 LR |
3895 | resp.tm_caps.max_rndv_hdr_size = attr.tm_caps.max_rndv_hdr_size; |
3896 | resp.tm_caps.max_num_tags = attr.tm_caps.max_num_tags; | |
3897 | resp.tm_caps.max_ops = attr.tm_caps.max_ops; | |
3898 | resp.tm_caps.max_sge = attr.tm_caps.max_sge; | |
3899 | resp.tm_caps.flags = attr.tm_caps.flags; | |
3900 | resp.response_length += sizeof(resp.tm_caps); | |
18bd9072 YC |
3901 | |
3902 | if (ucore->outlen < resp.response_length + sizeof(resp.cq_moderation_caps)) | |
3903 | goto end; | |
3904 | ||
3905 | resp.cq_moderation_caps.max_cq_moderation_count = | |
3906 | attr.cq_caps.max_cq_moderation_count; | |
3907 | resp.cq_moderation_caps.max_cq_moderation_period = | |
3908 | attr.cq_caps.max_cq_moderation_period; | |
3909 | resp.response_length += sizeof(resp.cq_moderation_caps); | |
1d8eeb9f AL |
3910 | |
3911 | if (ucore->outlen < resp.response_length + sizeof(resp.max_dm_size)) | |
3912 | goto end; | |
3913 | ||
3914 | resp.max_dm_size = attr.max_dm_size; | |
3915 | resp.response_length += sizeof(resp.max_dm_size); | |
f4056bfd | 3916 | end: |
02d1aa7a | 3917 | err = ib_copy_to_udata(ucore, &resp, resp.response_length); |
2953f425 | 3918 | return err; |
02d1aa7a | 3919 | } |
869ddcf8 | 3920 | |
8313c10f | 3921 | static int ib_uverbs_ex_modify_cq(struct uverbs_attr_bundle *attrs, |
ef87df2c | 3922 | struct ib_udata *ucore) |
869ddcf8 YC |
3923 | { |
3924 | struct ib_uverbs_ex_modify_cq cmd = {}; | |
3925 | struct ib_cq *cq; | |
3926 | size_t required_cmd_sz; | |
3927 | int ret; | |
3928 | ||
3929 | required_cmd_sz = offsetof(typeof(cmd), reserved) + | |
3930 | sizeof(cmd.reserved); | |
3931 | if (ucore->inlen < required_cmd_sz) | |
3932 | return -EINVAL; | |
3933 | ||
3934 | /* sanity checks */ | |
3935 | if (ucore->inlen > sizeof(cmd) && | |
3936 | !ib_is_udata_cleared(ucore, sizeof(cmd), | |
3937 | ucore->inlen - sizeof(cmd))) | |
3938 | return -EOPNOTSUPP; | |
3939 | ||
3940 | ret = ib_copy_from_udata(&cmd, ucore, min(sizeof(cmd), ucore->inlen)); | |
3941 | if (ret) | |
3942 | return ret; | |
3943 | ||
3944 | if (!cmd.attr_mask || cmd.reserved) | |
3945 | return -EINVAL; | |
3946 | ||
3947 | if (cmd.attr_mask > IB_CQ_MODERATE) | |
3948 | return -EOPNOTSUPP; | |
3949 | ||
8313c10f | 3950 | cq = uobj_get_obj_read(cq, UVERBS_OBJECT_CQ, cmd.cq_handle, attrs); |
869ddcf8 YC |
3951 | if (!cq) |
3952 | return -EINVAL; | |
3953 | ||
4190b4e9 | 3954 | ret = rdma_set_cq_moderation(cq, cmd.attr.cq_count, cmd.attr.cq_period); |
869ddcf8 YC |
3955 | |
3956 | uobj_put_obj_read(cq); | |
3957 | ||
3958 | return ret; | |
3959 | } | |
d120c3c9 | 3960 | |
669dac1e JG |
3961 | /* |
3962 | * Describe the input structs for write(). Some write methods have an input | |
3963 | * only struct, most have an input and output. If the struct has an output then | |
3964 | * the 'response' u64 must be the first field in the request structure. | |
3965 | * | |
3966 | * If udata is present then both the request and response structs have a | |
3967 | * trailing driver_data flex array. In this case the size of the base struct | |
3968 | * cannot be changed. | |
3969 | */ | |
3970 | #define offsetof_after(_struct, _member) \ | |
3971 | (offsetof(_struct, _member) + sizeof(((_struct *)NULL)->_member)) | |
3972 | ||
3973 | #define UAPI_DEF_WRITE_IO(req, resp) \ | |
3974 | .write.has_resp = 1 + \ | |
3975 | BUILD_BUG_ON_ZERO(offsetof(req, response) != 0) + \ | |
3976 | BUILD_BUG_ON_ZERO(sizeof(((req *)0)->response) != \ | |
3977 | sizeof(u64)), \ | |
3978 | .write.req_size = sizeof(req), .write.resp_size = sizeof(resp) | |
3979 | ||
3980 | #define UAPI_DEF_WRITE_I(req) .write.req_size = sizeof(req) | |
3981 | ||
3982 | #define UAPI_DEF_WRITE_UDATA_IO(req, resp) \ | |
3983 | UAPI_DEF_WRITE_IO(req, resp), \ | |
3984 | .write.has_udata = \ | |
3985 | 1 + \ | |
3986 | BUILD_BUG_ON_ZERO(offsetof(req, driver_data) != \ | |
3987 | sizeof(req)) + \ | |
3988 | BUILD_BUG_ON_ZERO(offsetof(resp, driver_data) != \ | |
3989 | sizeof(resp)) | |
3990 | ||
3991 | #define UAPI_DEF_WRITE_UDATA_I(req) \ | |
3992 | UAPI_DEF_WRITE_I(req), \ | |
3993 | .write.has_udata = \ | |
3994 | 1 + BUILD_BUG_ON_ZERO(offsetof(req, driver_data) != \ | |
3995 | sizeof(req)) | |
3996 | ||
3997 | /* | |
3998 | * The _EX versions are for use with WRITE_EX and allow the last struct member | |
3999 | * to be specified. Buffers that do not include that member will be rejected. | |
4000 | */ | |
4001 | #define UAPI_DEF_WRITE_IO_EX(req, req_last_member, resp, resp_last_member) \ | |
4002 | .write.has_resp = 1, \ | |
4003 | .write.req_size = offsetof_after(req, req_last_member), \ | |
4004 | .write.resp_size = offsetof_after(resp, resp_last_member) | |
4005 | ||
4006 | #define UAPI_DEF_WRITE_I_EX(req, req_last_member) \ | |
4007 | .write.req_size = offsetof_after(req, req_last_member) | |
4008 | ||
d120c3c9 | 4009 | const struct uapi_definition uverbs_def_write_intf[] = { |
a140692a JG |
4010 | DECLARE_UVERBS_OBJECT( |
4011 | UVERBS_OBJECT_AH, | |
4012 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_AH, | |
4013 | ib_uverbs_create_ah, | |
669dac1e JG |
4014 | UAPI_DEF_WRITE_UDATA_IO( |
4015 | struct ib_uverbs_create_ah, | |
4016 | struct ib_uverbs_create_ah_resp), | |
a140692a | 4017 | UAPI_DEF_METHOD_NEEDS_FN(create_ah)), |
669dac1e JG |
4018 | DECLARE_UVERBS_WRITE( |
4019 | IB_USER_VERBS_CMD_DESTROY_AH, | |
4020 | ib_uverbs_destroy_ah, | |
4021 | UAPI_DEF_WRITE_I(struct ib_uverbs_destroy_ah), | |
4022 | UAPI_DEF_METHOD_NEEDS_FN(destroy_ah))), | |
d120c3c9 JG |
4023 | |
4024 | DECLARE_UVERBS_OBJECT( | |
4025 | UVERBS_OBJECT_COMP_CHANNEL, | |
669dac1e JG |
4026 | DECLARE_UVERBS_WRITE( |
4027 | IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL, | |
4028 | ib_uverbs_create_comp_channel, | |
4029 | UAPI_DEF_WRITE_IO( | |
4030 | struct ib_uverbs_create_comp_channel, | |
4031 | struct ib_uverbs_create_comp_channel_resp))), | |
d120c3c9 JG |
4032 | |
4033 | DECLARE_UVERBS_OBJECT( | |
4034 | UVERBS_OBJECT_CQ, | |
4035 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_CQ, | |
a140692a | 4036 | ib_uverbs_create_cq, |
669dac1e JG |
4037 | UAPI_DEF_WRITE_UDATA_IO( |
4038 | struct ib_uverbs_create_cq, | |
4039 | struct ib_uverbs_create_cq_resp), | |
a140692a | 4040 | UAPI_DEF_METHOD_NEEDS_FN(create_cq)), |
669dac1e JG |
4041 | DECLARE_UVERBS_WRITE( |
4042 | IB_USER_VERBS_CMD_DESTROY_CQ, | |
4043 | ib_uverbs_destroy_cq, | |
4044 | UAPI_DEF_WRITE_IO(struct ib_uverbs_destroy_cq, | |
4045 | struct ib_uverbs_destroy_cq_resp), | |
4046 | UAPI_DEF_METHOD_NEEDS_FN(destroy_cq)), | |
4047 | DECLARE_UVERBS_WRITE( | |
4048 | IB_USER_VERBS_CMD_POLL_CQ, | |
4049 | ib_uverbs_poll_cq, | |
4050 | UAPI_DEF_WRITE_IO(struct ib_uverbs_poll_cq, | |
4051 | struct ib_uverbs_poll_cq_resp), | |
4052 | UAPI_DEF_METHOD_NEEDS_FN(poll_cq)), | |
4053 | DECLARE_UVERBS_WRITE( | |
4054 | IB_USER_VERBS_CMD_REQ_NOTIFY_CQ, | |
4055 | ib_uverbs_req_notify_cq, | |
4056 | UAPI_DEF_WRITE_I(struct ib_uverbs_req_notify_cq), | |
4057 | UAPI_DEF_METHOD_NEEDS_FN(req_notify_cq)), | |
d120c3c9 | 4058 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_RESIZE_CQ, |
a140692a | 4059 | ib_uverbs_resize_cq, |
669dac1e JG |
4060 | UAPI_DEF_WRITE_UDATA_IO( |
4061 | struct ib_uverbs_resize_cq, | |
4062 | struct ib_uverbs_resize_cq_resp), | |
a140692a | 4063 | UAPI_DEF_METHOD_NEEDS_FN(resize_cq)), |
669dac1e JG |
4064 | DECLARE_UVERBS_WRITE_EX( |
4065 | IB_USER_VERBS_EX_CMD_CREATE_CQ, | |
4066 | ib_uverbs_ex_create_cq, | |
4067 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_ex_create_cq, | |
4068 | reserved, | |
4069 | struct ib_uverbs_ex_create_cq_resp, | |
4070 | response_length), | |
4071 | UAPI_DEF_METHOD_NEEDS_FN(create_cq)), | |
4072 | DECLARE_UVERBS_WRITE_EX( | |
4073 | IB_USER_VERBS_EX_CMD_MODIFY_CQ, | |
4074 | ib_uverbs_ex_modify_cq, | |
4075 | UAPI_DEF_WRITE_I(struct ib_uverbs_ex_modify_cq), | |
4076 | UAPI_DEF_METHOD_NEEDS_FN(create_cq))), | |
d120c3c9 JG |
4077 | |
4078 | DECLARE_UVERBS_OBJECT( | |
4079 | UVERBS_OBJECT_DEVICE, | |
4080 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_GET_CONTEXT, | |
669dac1e JG |
4081 | ib_uverbs_get_context, |
4082 | UAPI_DEF_WRITE_UDATA_IO( | |
4083 | struct ib_uverbs_get_context, | |
4084 | struct ib_uverbs_get_context_resp)), | |
4085 | DECLARE_UVERBS_WRITE( | |
4086 | IB_USER_VERBS_CMD_QUERY_DEVICE, | |
4087 | ib_uverbs_query_device, | |
4088 | UAPI_DEF_WRITE_IO(struct ib_uverbs_query_device, | |
4089 | struct ib_uverbs_query_device_resp)), | |
4090 | DECLARE_UVERBS_WRITE( | |
4091 | IB_USER_VERBS_CMD_QUERY_PORT, | |
4092 | ib_uverbs_query_port, | |
4093 | UAPI_DEF_WRITE_IO(struct ib_uverbs_query_port, | |
4094 | struct ib_uverbs_query_port_resp), | |
4095 | UAPI_DEF_METHOD_NEEDS_FN(query_port)), | |
4096 | DECLARE_UVERBS_WRITE_EX( | |
4097 | IB_USER_VERBS_EX_CMD_QUERY_DEVICE, | |
4098 | ib_uverbs_ex_query_device, | |
4099 | UAPI_DEF_WRITE_IO_EX( | |
4100 | struct ib_uverbs_ex_query_device, | |
4101 | reserved, | |
4102 | struct ib_uverbs_ex_query_device_resp, | |
4103 | response_length), | |
4104 | UAPI_DEF_METHOD_NEEDS_FN(query_device)), | |
a140692a JG |
4105 | UAPI_DEF_OBJ_NEEDS_FN(alloc_ucontext), |
4106 | UAPI_DEF_OBJ_NEEDS_FN(dealloc_ucontext)), | |
d120c3c9 JG |
4107 | |
4108 | DECLARE_UVERBS_OBJECT( | |
4109 | UVERBS_OBJECT_FLOW, | |
669dac1e JG |
4110 | DECLARE_UVERBS_WRITE_EX( |
4111 | IB_USER_VERBS_EX_CMD_CREATE_FLOW, | |
4112 | ib_uverbs_ex_create_flow, | |
4113 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_create_flow, | |
4114 | flow_attr, | |
4115 | struct ib_uverbs_create_flow_resp, | |
4116 | flow_handle), | |
4117 | UAPI_DEF_METHOD_NEEDS_FN(create_flow)), | |
4118 | DECLARE_UVERBS_WRITE_EX( | |
4119 | IB_USER_VERBS_EX_CMD_DESTROY_FLOW, | |
4120 | ib_uverbs_ex_destroy_flow, | |
4121 | UAPI_DEF_WRITE_I(struct ib_uverbs_destroy_flow), | |
4122 | UAPI_DEF_METHOD_NEEDS_FN(destroy_flow))), | |
a140692a JG |
4123 | |
4124 | DECLARE_UVERBS_OBJECT( | |
4125 | UVERBS_OBJECT_MR, | |
4126 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_DEREG_MR, | |
4127 | ib_uverbs_dereg_mr, | |
669dac1e | 4128 | UAPI_DEF_WRITE_I(struct ib_uverbs_dereg_mr), |
a140692a | 4129 | UAPI_DEF_METHOD_NEEDS_FN(dereg_mr)), |
669dac1e JG |
4130 | DECLARE_UVERBS_WRITE( |
4131 | IB_USER_VERBS_CMD_REG_MR, | |
4132 | ib_uverbs_reg_mr, | |
4133 | UAPI_DEF_WRITE_UDATA_IO(struct ib_uverbs_reg_mr, | |
4134 | struct ib_uverbs_reg_mr_resp), | |
4135 | UAPI_DEF_METHOD_NEEDS_FN(reg_user_mr)), | |
4136 | DECLARE_UVERBS_WRITE( | |
4137 | IB_USER_VERBS_CMD_REREG_MR, | |
4138 | ib_uverbs_rereg_mr, | |
4139 | UAPI_DEF_WRITE_UDATA_IO(struct ib_uverbs_rereg_mr, | |
4140 | struct ib_uverbs_rereg_mr_resp), | |
4141 | UAPI_DEF_METHOD_NEEDS_FN(rereg_user_mr))), | |
a140692a JG |
4142 | |
4143 | DECLARE_UVERBS_OBJECT( | |
4144 | UVERBS_OBJECT_MW, | |
669dac1e JG |
4145 | DECLARE_UVERBS_WRITE( |
4146 | IB_USER_VERBS_CMD_ALLOC_MW, | |
4147 | ib_uverbs_alloc_mw, | |
4148 | UAPI_DEF_WRITE_UDATA_IO(struct ib_uverbs_alloc_mw, | |
4149 | struct ib_uverbs_alloc_mw_resp), | |
4150 | UAPI_DEF_METHOD_NEEDS_FN(alloc_mw)), | |
4151 | DECLARE_UVERBS_WRITE( | |
4152 | IB_USER_VERBS_CMD_DEALLOC_MW, | |
4153 | ib_uverbs_dealloc_mw, | |
4154 | UAPI_DEF_WRITE_I(struct ib_uverbs_dealloc_mw), | |
4155 | UAPI_DEF_METHOD_NEEDS_FN(dealloc_mw))), | |
a140692a JG |
4156 | |
4157 | DECLARE_UVERBS_OBJECT( | |
4158 | UVERBS_OBJECT_PD, | |
669dac1e JG |
4159 | DECLARE_UVERBS_WRITE( |
4160 | IB_USER_VERBS_CMD_ALLOC_PD, | |
4161 | ib_uverbs_alloc_pd, | |
4162 | UAPI_DEF_WRITE_UDATA_IO(struct ib_uverbs_alloc_pd, | |
4163 | struct ib_uverbs_alloc_pd_resp), | |
4164 | UAPI_DEF_METHOD_NEEDS_FN(alloc_pd)), | |
4165 | DECLARE_UVERBS_WRITE( | |
4166 | IB_USER_VERBS_CMD_DEALLOC_PD, | |
4167 | ib_uverbs_dealloc_pd, | |
4168 | UAPI_DEF_WRITE_I(struct ib_uverbs_dealloc_pd), | |
4169 | UAPI_DEF_METHOD_NEEDS_FN(dealloc_pd))), | |
d120c3c9 JG |
4170 | |
4171 | DECLARE_UVERBS_OBJECT( | |
4172 | UVERBS_OBJECT_QP, | |
669dac1e JG |
4173 | DECLARE_UVERBS_WRITE( |
4174 | IB_USER_VERBS_CMD_ATTACH_MCAST, | |
4175 | ib_uverbs_attach_mcast, | |
4176 | UAPI_DEF_WRITE_I(struct ib_uverbs_attach_mcast), | |
4177 | UAPI_DEF_METHOD_NEEDS_FN(attach_mcast), | |
4178 | UAPI_DEF_METHOD_NEEDS_FN(detach_mcast)), | |
d120c3c9 | 4179 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_QP, |
a140692a | 4180 | ib_uverbs_create_qp, |
669dac1e JG |
4181 | UAPI_DEF_WRITE_UDATA_IO( |
4182 | struct ib_uverbs_create_qp, | |
4183 | struct ib_uverbs_create_qp_resp), | |
a140692a | 4184 | UAPI_DEF_METHOD_NEEDS_FN(create_qp)), |
669dac1e JG |
4185 | DECLARE_UVERBS_WRITE( |
4186 | IB_USER_VERBS_CMD_DESTROY_QP, | |
4187 | ib_uverbs_destroy_qp, | |
4188 | UAPI_DEF_WRITE_IO(struct ib_uverbs_destroy_qp, | |
4189 | struct ib_uverbs_destroy_qp_resp), | |
4190 | UAPI_DEF_METHOD_NEEDS_FN(destroy_qp)), | |
4191 | DECLARE_UVERBS_WRITE( | |
4192 | IB_USER_VERBS_CMD_DETACH_MCAST, | |
4193 | ib_uverbs_detach_mcast, | |
4194 | UAPI_DEF_WRITE_I(struct ib_uverbs_detach_mcast), | |
4195 | UAPI_DEF_METHOD_NEEDS_FN(detach_mcast)), | |
4196 | DECLARE_UVERBS_WRITE( | |
4197 | IB_USER_VERBS_CMD_MODIFY_QP, | |
4198 | ib_uverbs_modify_qp, | |
4199 | UAPI_DEF_WRITE_I(struct ib_uverbs_modify_qp), | |
4200 | UAPI_DEF_METHOD_NEEDS_FN(modify_qp)), | |
4201 | DECLARE_UVERBS_WRITE( | |
4202 | IB_USER_VERBS_CMD_POST_RECV, | |
4203 | ib_uverbs_post_recv, | |
4204 | UAPI_DEF_WRITE_IO(struct ib_uverbs_post_recv, | |
4205 | struct ib_uverbs_post_recv_resp), | |
4206 | UAPI_DEF_METHOD_NEEDS_FN(post_recv)), | |
4207 | DECLARE_UVERBS_WRITE( | |
4208 | IB_USER_VERBS_CMD_POST_SEND, | |
4209 | ib_uverbs_post_send, | |
4210 | UAPI_DEF_WRITE_IO(struct ib_uverbs_post_send, | |
4211 | struct ib_uverbs_post_send_resp), | |
4212 | UAPI_DEF_METHOD_NEEDS_FN(post_send)), | |
4213 | DECLARE_UVERBS_WRITE( | |
4214 | IB_USER_VERBS_CMD_QUERY_QP, | |
4215 | ib_uverbs_query_qp, | |
4216 | UAPI_DEF_WRITE_IO(struct ib_uverbs_query_qp, | |
4217 | struct ib_uverbs_query_qp_resp), | |
4218 | UAPI_DEF_METHOD_NEEDS_FN(query_qp)), | |
4219 | DECLARE_UVERBS_WRITE_EX( | |
4220 | IB_USER_VERBS_EX_CMD_CREATE_QP, | |
4221 | ib_uverbs_ex_create_qp, | |
4222 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_ex_create_qp, | |
4223 | comp_mask, | |
4224 | struct ib_uverbs_ex_create_qp_resp, | |
4225 | response_length), | |
4226 | UAPI_DEF_METHOD_NEEDS_FN(create_qp)), | |
4227 | DECLARE_UVERBS_WRITE_EX( | |
4228 | IB_USER_VERBS_EX_CMD_MODIFY_QP, | |
4229 | ib_uverbs_ex_modify_qp, | |
4230 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_ex_modify_qp, | |
4231 | base, | |
4232 | struct ib_uverbs_ex_modify_qp_resp, | |
4233 | response_length), | |
4234 | UAPI_DEF_METHOD_NEEDS_FN(modify_qp))), | |
d120c3c9 JG |
4235 | |
4236 | DECLARE_UVERBS_OBJECT( | |
4237 | UVERBS_OBJECT_RWQ_IND_TBL, | |
a140692a JG |
4238 | DECLARE_UVERBS_WRITE_EX( |
4239 | IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL, | |
4240 | ib_uverbs_ex_create_rwq_ind_table, | |
669dac1e JG |
4241 | UAPI_DEF_WRITE_IO_EX( |
4242 | struct ib_uverbs_ex_create_rwq_ind_table, | |
4243 | log_ind_tbl_size, | |
4244 | struct ib_uverbs_ex_create_rwq_ind_table_resp, | |
4245 | ind_tbl_num), | |
a140692a JG |
4246 | UAPI_DEF_METHOD_NEEDS_FN(create_rwq_ind_table)), |
4247 | DECLARE_UVERBS_WRITE_EX( | |
4248 | IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL, | |
4249 | ib_uverbs_ex_destroy_rwq_ind_table, | |
669dac1e JG |
4250 | UAPI_DEF_WRITE_I( |
4251 | struct ib_uverbs_ex_destroy_rwq_ind_table), | |
a140692a | 4252 | UAPI_DEF_METHOD_NEEDS_FN(destroy_rwq_ind_table))), |
d120c3c9 JG |
4253 | |
4254 | DECLARE_UVERBS_OBJECT( | |
4255 | UVERBS_OBJECT_WQ, | |
669dac1e JG |
4256 | DECLARE_UVERBS_WRITE_EX( |
4257 | IB_USER_VERBS_EX_CMD_CREATE_WQ, | |
4258 | ib_uverbs_ex_create_wq, | |
4259 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_ex_create_wq, | |
4260 | max_sge, | |
4261 | struct ib_uverbs_ex_create_wq_resp, | |
4262 | wqn), | |
4263 | UAPI_DEF_METHOD_NEEDS_FN(create_wq)), | |
4264 | DECLARE_UVERBS_WRITE_EX( | |
4265 | IB_USER_VERBS_EX_CMD_DESTROY_WQ, | |
4266 | ib_uverbs_ex_destroy_wq, | |
4267 | UAPI_DEF_WRITE_IO_EX(struct ib_uverbs_ex_destroy_wq, | |
4268 | wq_handle, | |
4269 | struct ib_uverbs_ex_destroy_wq_resp, | |
4270 | reserved), | |
4271 | UAPI_DEF_METHOD_NEEDS_FN(destroy_wq)), | |
4272 | DECLARE_UVERBS_WRITE_EX( | |
4273 | IB_USER_VERBS_EX_CMD_MODIFY_WQ, | |
4274 | ib_uverbs_ex_modify_wq, | |
4275 | UAPI_DEF_WRITE_I_EX(struct ib_uverbs_ex_modify_wq, | |
4276 | curr_wq_state), | |
4277 | UAPI_DEF_METHOD_NEEDS_FN(modify_wq))), | |
d120c3c9 JG |
4278 | |
4279 | DECLARE_UVERBS_OBJECT( | |
4280 | UVERBS_OBJECT_SRQ, | |
4281 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_SRQ, | |
a140692a | 4282 | ib_uverbs_create_srq, |
669dac1e JG |
4283 | UAPI_DEF_WRITE_UDATA_IO( |
4284 | struct ib_uverbs_create_srq, | |
4285 | struct ib_uverbs_create_srq_resp), | |
a140692a | 4286 | UAPI_DEF_METHOD_NEEDS_FN(create_srq)), |
d120c3c9 | 4287 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_CREATE_XSRQ, |
a140692a | 4288 | ib_uverbs_create_xsrq, |
669dac1e JG |
4289 | UAPI_DEF_WRITE_UDATA_IO( |
4290 | struct ib_uverbs_create_xsrq, | |
4291 | struct ib_uverbs_create_srq_resp), | |
a140692a | 4292 | UAPI_DEF_METHOD_NEEDS_FN(create_srq)), |
669dac1e JG |
4293 | DECLARE_UVERBS_WRITE( |
4294 | IB_USER_VERBS_CMD_DESTROY_SRQ, | |
4295 | ib_uverbs_destroy_srq, | |
4296 | UAPI_DEF_WRITE_IO(struct ib_uverbs_destroy_srq, | |
4297 | struct ib_uverbs_destroy_srq_resp), | |
4298 | UAPI_DEF_METHOD_NEEDS_FN(destroy_srq)), | |
4299 | DECLARE_UVERBS_WRITE( | |
4300 | IB_USER_VERBS_CMD_MODIFY_SRQ, | |
4301 | ib_uverbs_modify_srq, | |
4302 | UAPI_DEF_WRITE_UDATA_I(struct ib_uverbs_modify_srq), | |
4303 | UAPI_DEF_METHOD_NEEDS_FN(modify_srq)), | |
4304 | DECLARE_UVERBS_WRITE( | |
4305 | IB_USER_VERBS_CMD_POST_SRQ_RECV, | |
4306 | ib_uverbs_post_srq_recv, | |
4307 | UAPI_DEF_WRITE_IO(struct ib_uverbs_post_srq_recv, | |
4308 | struct ib_uverbs_post_srq_recv_resp), | |
4309 | UAPI_DEF_METHOD_NEEDS_FN(post_srq_recv)), | |
4310 | DECLARE_UVERBS_WRITE( | |
4311 | IB_USER_VERBS_CMD_QUERY_SRQ, | |
4312 | ib_uverbs_query_srq, | |
4313 | UAPI_DEF_WRITE_IO(struct ib_uverbs_query_srq, | |
4314 | struct ib_uverbs_query_srq_resp), | |
4315 | UAPI_DEF_METHOD_NEEDS_FN(query_srq))), | |
a140692a JG |
4316 | |
4317 | DECLARE_UVERBS_OBJECT( | |
4318 | UVERBS_OBJECT_XRCD, | |
669dac1e JG |
4319 | DECLARE_UVERBS_WRITE( |
4320 | IB_USER_VERBS_CMD_CLOSE_XRCD, | |
4321 | ib_uverbs_close_xrcd, | |
4322 | UAPI_DEF_WRITE_I(struct ib_uverbs_close_xrcd), | |
4323 | UAPI_DEF_METHOD_NEEDS_FN(dealloc_xrcd)), | |
a140692a | 4324 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_OPEN_QP, |
669dac1e JG |
4325 | ib_uverbs_open_qp, |
4326 | UAPI_DEF_WRITE_UDATA_IO( | |
4327 | struct ib_uverbs_open_qp, | |
4328 | struct ib_uverbs_create_qp_resp)), | |
a140692a JG |
4329 | DECLARE_UVERBS_WRITE(IB_USER_VERBS_CMD_OPEN_XRCD, |
4330 | ib_uverbs_open_xrcd, | |
669dac1e JG |
4331 | UAPI_DEF_WRITE_UDATA_IO( |
4332 | struct ib_uverbs_open_xrcd, | |
4333 | struct ib_uverbs_open_xrcd_resp), | |
a140692a | 4334 | UAPI_DEF_METHOD_NEEDS_FN(alloc_xrcd))), |
d120c3c9 JG |
4335 | |
4336 | {}, | |
4337 | }; |