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e126ba97 | 1 | /* |
6cf0a15f | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
adec640e | 33 | #include <linux/highmem.h> |
e126ba97 EC |
34 | #include <linux/module.h> |
35 | #include <linux/init.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/pci.h> | |
38 | #include <linux/dma-mapping.h> | |
39 | #include <linux/slab.h> | |
37aa5c36 GL |
40 | #if defined(CONFIG_X86) |
41 | #include <asm/pat.h> | |
42 | #endif | |
e126ba97 | 43 | #include <linux/sched.h> |
7c2344c3 | 44 | #include <linux/delay.h> |
e126ba97 | 45 | #include <rdma/ib_user_verbs.h> |
3f89a643 | 46 | #include <rdma/ib_addr.h> |
2811ba51 | 47 | #include <rdma/ib_cache.h> |
ada68c31 | 48 | #include <linux/mlx5/port.h> |
1b5daf11 | 49 | #include <linux/mlx5/vport.h> |
7c2344c3 | 50 | #include <linux/list.h> |
e126ba97 EC |
51 | #include <rdma/ib_smi.h> |
52 | #include <rdma/ib_umem.h> | |
038d2ef8 MG |
53 | #include <linux/in.h> |
54 | #include <linux/etherdevice.h> | |
55 | #include <linux/mlx5/fs.h> | |
e126ba97 EC |
56 | #include "mlx5_ib.h" |
57 | ||
58 | #define DRIVER_NAME "mlx5_ib" | |
169a1d85 AV |
59 | #define DRIVER_VERSION "2.2-1" |
60 | #define DRIVER_RELDATE "Feb 2014" | |
e126ba97 EC |
61 | |
62 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); | |
63 | MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); | |
64 | MODULE_LICENSE("Dual BSD/GPL"); | |
65 | MODULE_VERSION(DRIVER_VERSION); | |
66 | ||
9603b61d JM |
67 | static int deprecated_prof_sel = 2; |
68 | module_param_named(prof_sel, deprecated_prof_sel, int, 0444); | |
69 | MODULE_PARM_DESC(prof_sel, "profile selector. Deprecated here. Moved to module mlx5_core"); | |
e126ba97 EC |
70 | |
71 | static char mlx5_version[] = | |
72 | DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v" | |
73 | DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; | |
74 | ||
da7525d2 EBE |
75 | enum { |
76 | MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, | |
77 | }; | |
78 | ||
1b5daf11 | 79 | static enum rdma_link_layer |
ebd61f68 | 80 | mlx5_port_type_cap_to_rdma_ll(int port_type_cap) |
1b5daf11 | 81 | { |
ebd61f68 | 82 | switch (port_type_cap) { |
1b5daf11 MD |
83 | case MLX5_CAP_PORT_TYPE_IB: |
84 | return IB_LINK_LAYER_INFINIBAND; | |
85 | case MLX5_CAP_PORT_TYPE_ETH: | |
86 | return IB_LINK_LAYER_ETHERNET; | |
87 | default: | |
88 | return IB_LINK_LAYER_UNSPECIFIED; | |
89 | } | |
90 | } | |
91 | ||
ebd61f68 AS |
92 | static enum rdma_link_layer |
93 | mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
94 | { | |
95 | struct mlx5_ib_dev *dev = to_mdev(device); | |
96 | int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); | |
97 | ||
98 | return mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
99 | } | |
100 | ||
fc24fc5e AS |
101 | static int mlx5_netdev_event(struct notifier_block *this, |
102 | unsigned long event, void *ptr) | |
103 | { | |
104 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
105 | struct mlx5_ib_dev *ibdev = container_of(this, struct mlx5_ib_dev, | |
106 | roce.nb); | |
107 | ||
5ec8c83e AH |
108 | switch (event) { |
109 | case NETDEV_REGISTER: | |
110 | case NETDEV_UNREGISTER: | |
111 | write_lock(&ibdev->roce.netdev_lock); | |
112 | if (ndev->dev.parent == &ibdev->mdev->pdev->dev) | |
113 | ibdev->roce.netdev = (event == NETDEV_UNREGISTER) ? | |
114 | NULL : ndev; | |
115 | write_unlock(&ibdev->roce.netdev_lock); | |
116 | break; | |
fc24fc5e | 117 | |
5ec8c83e | 118 | case NETDEV_UP: |
88621dfe AH |
119 | case NETDEV_DOWN: { |
120 | struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); | |
121 | struct net_device *upper = NULL; | |
122 | ||
123 | if (lag_ndev) { | |
124 | upper = netdev_master_upper_dev_get(lag_ndev); | |
125 | dev_put(lag_ndev); | |
126 | } | |
127 | ||
128 | if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) | |
129 | && ibdev->ib_active) { | |
5ec8c83e AH |
130 | struct ib_event ibev = {0}; |
131 | ||
132 | ibev.device = &ibdev->ib_dev; | |
133 | ibev.event = (event == NETDEV_UP) ? | |
134 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
135 | ibev.element.port_num = 1; | |
136 | ib_dispatch_event(&ibev); | |
137 | } | |
138 | break; | |
88621dfe | 139 | } |
fc24fc5e | 140 | |
5ec8c83e AH |
141 | default: |
142 | break; | |
143 | } | |
fc24fc5e AS |
144 | |
145 | return NOTIFY_DONE; | |
146 | } | |
147 | ||
148 | static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, | |
149 | u8 port_num) | |
150 | { | |
151 | struct mlx5_ib_dev *ibdev = to_mdev(device); | |
152 | struct net_device *ndev; | |
153 | ||
88621dfe AH |
154 | ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); |
155 | if (ndev) | |
156 | return ndev; | |
157 | ||
fc24fc5e AS |
158 | /* Ensure ndev does not disappear before we invoke dev_hold() |
159 | */ | |
160 | read_lock(&ibdev->roce.netdev_lock); | |
161 | ndev = ibdev->roce.netdev; | |
162 | if (ndev) | |
163 | dev_hold(ndev); | |
164 | read_unlock(&ibdev->roce.netdev_lock); | |
165 | ||
166 | return ndev; | |
167 | } | |
168 | ||
3f89a643 AS |
169 | static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, |
170 | struct ib_port_attr *props) | |
171 | { | |
172 | struct mlx5_ib_dev *dev = to_mdev(device); | |
88621dfe | 173 | struct net_device *ndev, *upper; |
3f89a643 | 174 | enum ib_mtu ndev_ib_mtu; |
c876a1b7 | 175 | u16 qkey_viol_cntr; |
3f89a643 AS |
176 | |
177 | memset(props, 0, sizeof(*props)); | |
178 | ||
179 | props->port_cap_flags |= IB_PORT_CM_SUP; | |
180 | props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; | |
181 | ||
182 | props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, | |
183 | roce_address_table_size); | |
184 | props->max_mtu = IB_MTU_4096; | |
185 | props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
186 | props->pkey_tbl_len = 1; | |
187 | props->state = IB_PORT_DOWN; | |
188 | props->phys_state = 3; | |
189 | ||
c876a1b7 LR |
190 | mlx5_query_nic_vport_qkey_viol_cntr(dev->mdev, &qkey_viol_cntr); |
191 | props->qkey_viol_cntr = qkey_viol_cntr; | |
3f89a643 AS |
192 | |
193 | ndev = mlx5_ib_get_netdev(device, port_num); | |
194 | if (!ndev) | |
195 | return 0; | |
196 | ||
88621dfe AH |
197 | if (mlx5_lag_is_active(dev->mdev)) { |
198 | rcu_read_lock(); | |
199 | upper = netdev_master_upper_dev_get_rcu(ndev); | |
200 | if (upper) { | |
201 | dev_put(ndev); | |
202 | ndev = upper; | |
203 | dev_hold(ndev); | |
204 | } | |
205 | rcu_read_unlock(); | |
206 | } | |
207 | ||
3f89a643 AS |
208 | if (netif_running(ndev) && netif_carrier_ok(ndev)) { |
209 | props->state = IB_PORT_ACTIVE; | |
210 | props->phys_state = 5; | |
211 | } | |
212 | ||
213 | ndev_ib_mtu = iboe_get_mtu(ndev->mtu); | |
214 | ||
215 | dev_put(ndev); | |
216 | ||
217 | props->active_mtu = min(props->max_mtu, ndev_ib_mtu); | |
218 | ||
219 | props->active_width = IB_WIDTH_4X; /* TODO */ | |
220 | props->active_speed = IB_SPEED_QDR; /* TODO */ | |
221 | ||
222 | return 0; | |
223 | } | |
224 | ||
3cca2606 AS |
225 | static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid, |
226 | const struct ib_gid_attr *attr, | |
227 | void *mlx5_addr) | |
228 | { | |
229 | #define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v) | |
230 | char *mlx5_addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, | |
231 | source_l3_address); | |
232 | void *mlx5_addr_mac = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, | |
233 | source_mac_47_32); | |
234 | ||
235 | if (!gid) | |
236 | return; | |
237 | ||
238 | ether_addr_copy(mlx5_addr_mac, attr->ndev->dev_addr); | |
239 | ||
240 | if (is_vlan_dev(attr->ndev)) { | |
241 | MLX5_SET_RA(mlx5_addr, vlan_valid, 1); | |
242 | MLX5_SET_RA(mlx5_addr, vlan_id, vlan_dev_vlan_id(attr->ndev)); | |
243 | } | |
244 | ||
245 | switch (attr->gid_type) { | |
246 | case IB_GID_TYPE_IB: | |
247 | MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_1); | |
248 | break; | |
249 | case IB_GID_TYPE_ROCE_UDP_ENCAP: | |
250 | MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_2); | |
251 | break; | |
252 | ||
253 | default: | |
254 | WARN_ON(true); | |
255 | } | |
256 | ||
257 | if (attr->gid_type != IB_GID_TYPE_IB) { | |
258 | if (ipv6_addr_v4mapped((void *)gid)) | |
259 | MLX5_SET_RA(mlx5_addr, roce_l3_type, | |
260 | MLX5_ROCE_L3_TYPE_IPV4); | |
261 | else | |
262 | MLX5_SET_RA(mlx5_addr, roce_l3_type, | |
263 | MLX5_ROCE_L3_TYPE_IPV6); | |
264 | } | |
265 | ||
266 | if ((attr->gid_type == IB_GID_TYPE_IB) || | |
267 | !ipv6_addr_v4mapped((void *)gid)) | |
268 | memcpy(mlx5_addr_l3_addr, gid, sizeof(*gid)); | |
269 | else | |
270 | memcpy(&mlx5_addr_l3_addr[12], &gid->raw[12], 4); | |
271 | } | |
272 | ||
273 | static int set_roce_addr(struct ib_device *device, u8 port_num, | |
274 | unsigned int index, | |
275 | const union ib_gid *gid, | |
276 | const struct ib_gid_attr *attr) | |
277 | { | |
c4f287c4 SM |
278 | struct mlx5_ib_dev *dev = to_mdev(device); |
279 | u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0}; | |
280 | u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0}; | |
3cca2606 AS |
281 | void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address); |
282 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(device, port_num); | |
283 | ||
284 | if (ll != IB_LINK_LAYER_ETHERNET) | |
285 | return -EINVAL; | |
286 | ||
3cca2606 AS |
287 | ib_gid_to_mlx5_roce_addr(gid, attr, in_addr); |
288 | ||
289 | MLX5_SET(set_roce_address_in, in, roce_address_index, index); | |
290 | MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS); | |
3cca2606 AS |
291 | return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); |
292 | } | |
293 | ||
294 | static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, | |
295 | unsigned int index, const union ib_gid *gid, | |
296 | const struct ib_gid_attr *attr, | |
297 | __always_unused void **context) | |
298 | { | |
299 | return set_roce_addr(device, port_num, index, gid, attr); | |
300 | } | |
301 | ||
302 | static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, | |
303 | unsigned int index, __always_unused void **context) | |
304 | { | |
305 | return set_roce_addr(device, port_num, index, NULL, NULL); | |
306 | } | |
307 | ||
2811ba51 AS |
308 | __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, |
309 | int index) | |
310 | { | |
311 | struct ib_gid_attr attr; | |
312 | union ib_gid gid; | |
313 | ||
314 | if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) | |
315 | return 0; | |
316 | ||
317 | if (!attr.ndev) | |
318 | return 0; | |
319 | ||
320 | dev_put(attr.ndev); | |
321 | ||
322 | if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) | |
323 | return 0; | |
324 | ||
325 | return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); | |
326 | } | |
327 | ||
1b5daf11 MD |
328 | static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) |
329 | { | |
7fae6655 NO |
330 | if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) |
331 | return !MLX5_CAP_GEN(dev->mdev, ib_virt); | |
332 | return 0; | |
1b5daf11 MD |
333 | } |
334 | ||
335 | enum { | |
336 | MLX5_VPORT_ACCESS_METHOD_MAD, | |
337 | MLX5_VPORT_ACCESS_METHOD_HCA, | |
338 | MLX5_VPORT_ACCESS_METHOD_NIC, | |
339 | }; | |
340 | ||
341 | static int mlx5_get_vport_access_method(struct ib_device *ibdev) | |
342 | { | |
343 | if (mlx5_use_mad_ifc(to_mdev(ibdev))) | |
344 | return MLX5_VPORT_ACCESS_METHOD_MAD; | |
345 | ||
ebd61f68 | 346 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
1b5daf11 MD |
347 | IB_LINK_LAYER_ETHERNET) |
348 | return MLX5_VPORT_ACCESS_METHOD_NIC; | |
349 | ||
350 | return MLX5_VPORT_ACCESS_METHOD_HCA; | |
351 | } | |
352 | ||
da7525d2 EBE |
353 | static void get_atomic_caps(struct mlx5_ib_dev *dev, |
354 | struct ib_device_attr *props) | |
355 | { | |
356 | u8 tmp; | |
357 | u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); | |
358 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); | |
359 | u8 atomic_req_8B_endianness_mode = | |
360 | MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianess_mode); | |
361 | ||
362 | /* Check if HW supports 8 bytes standard atomic operations and capable | |
363 | * of host endianness respond | |
364 | */ | |
365 | tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; | |
366 | if (((atomic_operations & tmp) == tmp) && | |
367 | (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && | |
368 | (atomic_req_8B_endianness_mode)) { | |
369 | props->atomic_cap = IB_ATOMIC_HCA; | |
370 | } else { | |
371 | props->atomic_cap = IB_ATOMIC_NONE; | |
372 | } | |
373 | } | |
374 | ||
1b5daf11 MD |
375 | static int mlx5_query_system_image_guid(struct ib_device *ibdev, |
376 | __be64 *sys_image_guid) | |
377 | { | |
378 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
379 | struct mlx5_core_dev *mdev = dev->mdev; | |
380 | u64 tmp; | |
381 | int err; | |
382 | ||
383 | switch (mlx5_get_vport_access_method(ibdev)) { | |
384 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
385 | return mlx5_query_mad_ifc_system_image_guid(ibdev, | |
386 | sys_image_guid); | |
387 | ||
388 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
389 | err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); | |
3f89a643 AS |
390 | break; |
391 | ||
392 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
393 | err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); | |
394 | break; | |
1b5daf11 MD |
395 | |
396 | default: | |
397 | return -EINVAL; | |
398 | } | |
3f89a643 AS |
399 | |
400 | if (!err) | |
401 | *sys_image_guid = cpu_to_be64(tmp); | |
402 | ||
403 | return err; | |
404 | ||
1b5daf11 MD |
405 | } |
406 | ||
407 | static int mlx5_query_max_pkeys(struct ib_device *ibdev, | |
408 | u16 *max_pkeys) | |
409 | { | |
410 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
411 | struct mlx5_core_dev *mdev = dev->mdev; | |
412 | ||
413 | switch (mlx5_get_vport_access_method(ibdev)) { | |
414 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
415 | return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); | |
416 | ||
417 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
418 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
419 | *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, | |
420 | pkey_table_size)); | |
421 | return 0; | |
422 | ||
423 | default: | |
424 | return -EINVAL; | |
425 | } | |
426 | } | |
427 | ||
428 | static int mlx5_query_vendor_id(struct ib_device *ibdev, | |
429 | u32 *vendor_id) | |
430 | { | |
431 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
432 | ||
433 | switch (mlx5_get_vport_access_method(ibdev)) { | |
434 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
435 | return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); | |
436 | ||
437 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
438 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
439 | return mlx5_core_query_vendor_id(dev->mdev, vendor_id); | |
440 | ||
441 | default: | |
442 | return -EINVAL; | |
443 | } | |
444 | } | |
445 | ||
446 | static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, | |
447 | __be64 *node_guid) | |
448 | { | |
449 | u64 tmp; | |
450 | int err; | |
451 | ||
452 | switch (mlx5_get_vport_access_method(&dev->ib_dev)) { | |
453 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
454 | return mlx5_query_mad_ifc_node_guid(dev, node_guid); | |
455 | ||
456 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
457 | err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); | |
3f89a643 AS |
458 | break; |
459 | ||
460 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
461 | err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); | |
462 | break; | |
1b5daf11 MD |
463 | |
464 | default: | |
465 | return -EINVAL; | |
466 | } | |
3f89a643 AS |
467 | |
468 | if (!err) | |
469 | *node_guid = cpu_to_be64(tmp); | |
470 | ||
471 | return err; | |
1b5daf11 MD |
472 | } |
473 | ||
474 | struct mlx5_reg_node_desc { | |
bd99fdea | 475 | u8 desc[IB_DEVICE_NODE_DESC_MAX]; |
1b5daf11 MD |
476 | }; |
477 | ||
478 | static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) | |
479 | { | |
480 | struct mlx5_reg_node_desc in; | |
481 | ||
482 | if (mlx5_use_mad_ifc(dev)) | |
483 | return mlx5_query_mad_ifc_node_desc(dev, node_desc); | |
484 | ||
485 | memset(&in, 0, sizeof(in)); | |
486 | ||
487 | return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, | |
488 | sizeof(struct mlx5_reg_node_desc), | |
489 | MLX5_REG_NODE_DESC, 0, 0); | |
490 | } | |
491 | ||
e126ba97 | 492 | static int mlx5_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
493 | struct ib_device_attr *props, |
494 | struct ib_udata *uhw) | |
e126ba97 EC |
495 | { |
496 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938fe83c | 497 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 EC |
498 | int err = -ENOMEM; |
499 | int max_rq_sg; | |
500 | int max_sq_sg; | |
e0238a6a | 501 | u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); |
402ca536 BW |
502 | struct mlx5_ib_query_device_resp resp = {}; |
503 | size_t resp_len; | |
504 | u64 max_tso; | |
e126ba97 | 505 | |
402ca536 BW |
506 | resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); |
507 | if (uhw->outlen && uhw->outlen < resp_len) | |
508 | return -EINVAL; | |
509 | else | |
510 | resp.response_length = resp_len; | |
511 | ||
512 | if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) | |
2528e33e MB |
513 | return -EINVAL; |
514 | ||
1b5daf11 MD |
515 | memset(props, 0, sizeof(*props)); |
516 | err = mlx5_query_system_image_guid(ibdev, | |
517 | &props->sys_image_guid); | |
518 | if (err) | |
519 | return err; | |
e126ba97 | 520 | |
1b5daf11 | 521 | err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); |
e126ba97 | 522 | if (err) |
1b5daf11 | 523 | return err; |
e126ba97 | 524 | |
1b5daf11 MD |
525 | err = mlx5_query_vendor_id(ibdev, &props->vendor_id); |
526 | if (err) | |
527 | return err; | |
e126ba97 | 528 | |
9603b61d JM |
529 | props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | |
530 | (fw_rev_min(dev->mdev) << 16) | | |
531 | fw_rev_sub(dev->mdev); | |
e126ba97 EC |
532 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
533 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
534 | IB_DEVICE_SYS_IMAGE_GUID | | |
1a4c3a3d | 535 | IB_DEVICE_RC_RNR_NAK_GEN; |
938fe83c SM |
536 | |
537 | if (MLX5_CAP_GEN(mdev, pkv)) | |
e126ba97 | 538 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
938fe83c | 539 | if (MLX5_CAP_GEN(mdev, qkv)) |
e126ba97 | 540 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
938fe83c | 541 | if (MLX5_CAP_GEN(mdev, apm)) |
e126ba97 | 542 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
938fe83c | 543 | if (MLX5_CAP_GEN(mdev, xrc)) |
e126ba97 | 544 | props->device_cap_flags |= IB_DEVICE_XRC; |
d2370e0a MB |
545 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
546 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | | |
547 | IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
548 | props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); | |
b005d316 SG |
549 | /* We support 'Gappy' memory registration too */ |
550 | props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; | |
d2370e0a | 551 | } |
e126ba97 | 552 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
938fe83c | 553 | if (MLX5_CAP_GEN(mdev, sho)) { |
2dea9094 SG |
554 | props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; |
555 | /* At this stage no support for signature handover */ | |
556 | props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | | |
557 | IB_PROT_T10DIF_TYPE_2 | | |
558 | IB_PROT_T10DIF_TYPE_3; | |
559 | props->sig_guard_cap = IB_GUARD_T10DIF_CRC | | |
560 | IB_GUARD_T10DIF_CSUM; | |
561 | } | |
938fe83c | 562 | if (MLX5_CAP_GEN(mdev, block_lb_mc)) |
f360d88a | 563 | props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; |
e126ba97 | 564 | |
402ca536 BW |
565 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) { |
566 | if (MLX5_CAP_ETH(mdev, csum_cap)) | |
88115fe7 BW |
567 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
568 | ||
402ca536 BW |
569 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { |
570 | max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); | |
571 | if (max_tso) { | |
572 | resp.tso_caps.max_tso = 1 << max_tso; | |
573 | resp.tso_caps.supported_qpts |= | |
574 | 1 << IB_QPT_RAW_PACKET; | |
575 | resp.response_length += sizeof(resp.tso_caps); | |
576 | } | |
577 | } | |
31f69a82 YH |
578 | |
579 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { | |
580 | resp.rss_caps.rx_hash_function = | |
581 | MLX5_RX_HASH_FUNC_TOEPLITZ; | |
582 | resp.rss_caps.rx_hash_fields_mask = | |
583 | MLX5_RX_HASH_SRC_IPV4 | | |
584 | MLX5_RX_HASH_DST_IPV4 | | |
585 | MLX5_RX_HASH_SRC_IPV6 | | |
586 | MLX5_RX_HASH_DST_IPV6 | | |
587 | MLX5_RX_HASH_SRC_PORT_TCP | | |
588 | MLX5_RX_HASH_DST_PORT_TCP | | |
589 | MLX5_RX_HASH_SRC_PORT_UDP | | |
590 | MLX5_RX_HASH_DST_PORT_UDP; | |
591 | resp.response_length += sizeof(resp.rss_caps); | |
592 | } | |
593 | } else { | |
594 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) | |
595 | resp.response_length += sizeof(resp.tso_caps); | |
596 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) | |
597 | resp.response_length += sizeof(resp.rss_caps); | |
402ca536 BW |
598 | } |
599 | ||
f0313965 ES |
600 | if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { |
601 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
602 | props->device_cap_flags |= IB_DEVICE_UD_TSO; | |
603 | } | |
604 | ||
cff5a0f3 MD |
605 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && |
606 | MLX5_CAP_ETH(dev->mdev, scatter_fcs)) | |
607 | props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; | |
608 | ||
da6d6ba3 MG |
609 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) |
610 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
611 | ||
1b5daf11 MD |
612 | props->vendor_part_id = mdev->pdev->device; |
613 | props->hw_ver = mdev->pdev->revision; | |
e126ba97 EC |
614 | |
615 | props->max_mr_size = ~0ull; | |
e0238a6a | 616 | props->page_size_cap = ~(min_page_size - 1); |
938fe83c SM |
617 | props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); |
618 | props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
619 | max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / | |
620 | sizeof(struct mlx5_wqe_data_seg); | |
621 | max_sq_sg = (MLX5_CAP_GEN(mdev, max_wqe_sz_sq) - | |
622 | sizeof(struct mlx5_wqe_ctrl_seg)) / | |
623 | sizeof(struct mlx5_wqe_data_seg); | |
e126ba97 | 624 | props->max_sge = min(max_rq_sg, max_sq_sg); |
986ef95e | 625 | props->max_sge_rd = MLX5_MAX_SGE_RD; |
938fe83c | 626 | props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); |
9f177686 | 627 | props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; |
938fe83c SM |
628 | props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); |
629 | props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); | |
630 | props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); | |
631 | props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); | |
632 | props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); | |
633 | props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; | |
634 | props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); | |
e126ba97 | 635 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
e126ba97 | 636 | props->max_srq_sge = max_rq_sg - 1; |
911f4331 SG |
637 | props->max_fast_reg_page_list_len = |
638 | 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); | |
da7525d2 | 639 | get_atomic_caps(dev, props); |
81bea28f | 640 | props->masked_atomic_cap = IB_ATOMIC_NONE; |
938fe83c SM |
641 | props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |
642 | props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); | |
e126ba97 EC |
643 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
644 | props->max_mcast_grp; | |
645 | props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ | |
7c60bcbb MB |
646 | props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); |
647 | props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; | |
e126ba97 | 648 | |
8cdd312c | 649 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
938fe83c | 650 | if (MLX5_CAP_GEN(mdev, pg)) |
8cdd312c HE |
651 | props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; |
652 | props->odp_caps = dev->odp_caps; | |
653 | #endif | |
654 | ||
051f2630 LR |
655 | if (MLX5_CAP_GEN(mdev, cd)) |
656 | props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; | |
657 | ||
eff901d3 EC |
658 | if (!mlx5_core_is_pf(mdev)) |
659 | props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; | |
660 | ||
31f69a82 YH |
661 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
662 | IB_LINK_LAYER_ETHERNET) { | |
663 | props->rss_caps.max_rwq_indirection_tables = | |
664 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); | |
665 | props->rss_caps.max_rwq_indirection_table_size = | |
666 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); | |
667 | props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; | |
668 | props->max_wq_type_rq = | |
669 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); | |
670 | } | |
671 | ||
402ca536 BW |
672 | if (uhw->outlen) { |
673 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); | |
674 | ||
675 | if (err) | |
676 | return err; | |
677 | } | |
678 | ||
1b5daf11 | 679 | return 0; |
e126ba97 EC |
680 | } |
681 | ||
1b5daf11 MD |
682 | enum mlx5_ib_width { |
683 | MLX5_IB_WIDTH_1X = 1 << 0, | |
684 | MLX5_IB_WIDTH_2X = 1 << 1, | |
685 | MLX5_IB_WIDTH_4X = 1 << 2, | |
686 | MLX5_IB_WIDTH_8X = 1 << 3, | |
687 | MLX5_IB_WIDTH_12X = 1 << 4 | |
688 | }; | |
689 | ||
690 | static int translate_active_width(struct ib_device *ibdev, u8 active_width, | |
691 | u8 *ib_width) | |
e126ba97 EC |
692 | { |
693 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1b5daf11 MD |
694 | int err = 0; |
695 | ||
696 | if (active_width & MLX5_IB_WIDTH_1X) { | |
697 | *ib_width = IB_WIDTH_1X; | |
698 | } else if (active_width & MLX5_IB_WIDTH_2X) { | |
699 | mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n", | |
700 | (int)active_width); | |
701 | err = -EINVAL; | |
702 | } else if (active_width & MLX5_IB_WIDTH_4X) { | |
703 | *ib_width = IB_WIDTH_4X; | |
704 | } else if (active_width & MLX5_IB_WIDTH_8X) { | |
705 | *ib_width = IB_WIDTH_8X; | |
706 | } else if (active_width & MLX5_IB_WIDTH_12X) { | |
707 | *ib_width = IB_WIDTH_12X; | |
708 | } else { | |
709 | mlx5_ib_dbg(dev, "Invalid active_width %d\n", | |
710 | (int)active_width); | |
711 | err = -EINVAL; | |
e126ba97 EC |
712 | } |
713 | ||
1b5daf11 MD |
714 | return err; |
715 | } | |
e126ba97 | 716 | |
1b5daf11 MD |
717 | static int mlx5_mtu_to_ib_mtu(int mtu) |
718 | { | |
719 | switch (mtu) { | |
720 | case 256: return 1; | |
721 | case 512: return 2; | |
722 | case 1024: return 3; | |
723 | case 2048: return 4; | |
724 | case 4096: return 5; | |
725 | default: | |
726 | pr_warn("invalid mtu\n"); | |
727 | return -1; | |
e126ba97 | 728 | } |
1b5daf11 | 729 | } |
e126ba97 | 730 | |
1b5daf11 MD |
731 | enum ib_max_vl_num { |
732 | __IB_MAX_VL_0 = 1, | |
733 | __IB_MAX_VL_0_1 = 2, | |
734 | __IB_MAX_VL_0_3 = 3, | |
735 | __IB_MAX_VL_0_7 = 4, | |
736 | __IB_MAX_VL_0_14 = 5, | |
737 | }; | |
e126ba97 | 738 | |
1b5daf11 MD |
739 | enum mlx5_vl_hw_cap { |
740 | MLX5_VL_HW_0 = 1, | |
741 | MLX5_VL_HW_0_1 = 2, | |
742 | MLX5_VL_HW_0_2 = 3, | |
743 | MLX5_VL_HW_0_3 = 4, | |
744 | MLX5_VL_HW_0_4 = 5, | |
745 | MLX5_VL_HW_0_5 = 6, | |
746 | MLX5_VL_HW_0_6 = 7, | |
747 | MLX5_VL_HW_0_7 = 8, | |
748 | MLX5_VL_HW_0_14 = 15 | |
749 | }; | |
e126ba97 | 750 | |
1b5daf11 MD |
751 | static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, |
752 | u8 *max_vl_num) | |
753 | { | |
754 | switch (vl_hw_cap) { | |
755 | case MLX5_VL_HW_0: | |
756 | *max_vl_num = __IB_MAX_VL_0; | |
757 | break; | |
758 | case MLX5_VL_HW_0_1: | |
759 | *max_vl_num = __IB_MAX_VL_0_1; | |
760 | break; | |
761 | case MLX5_VL_HW_0_3: | |
762 | *max_vl_num = __IB_MAX_VL_0_3; | |
763 | break; | |
764 | case MLX5_VL_HW_0_7: | |
765 | *max_vl_num = __IB_MAX_VL_0_7; | |
766 | break; | |
767 | case MLX5_VL_HW_0_14: | |
768 | *max_vl_num = __IB_MAX_VL_0_14; | |
769 | break; | |
e126ba97 | 770 | |
1b5daf11 MD |
771 | default: |
772 | return -EINVAL; | |
e126ba97 | 773 | } |
e126ba97 | 774 | |
1b5daf11 | 775 | return 0; |
e126ba97 EC |
776 | } |
777 | ||
1b5daf11 MD |
778 | static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, |
779 | struct ib_port_attr *props) | |
e126ba97 | 780 | { |
1b5daf11 MD |
781 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
782 | struct mlx5_core_dev *mdev = dev->mdev; | |
783 | struct mlx5_hca_vport_context *rep; | |
046339ea SM |
784 | u16 max_mtu; |
785 | u16 oper_mtu; | |
1b5daf11 MD |
786 | int err; |
787 | u8 ib_link_width_oper; | |
788 | u8 vl_hw_cap; | |
e126ba97 | 789 | |
1b5daf11 MD |
790 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
791 | if (!rep) { | |
792 | err = -ENOMEM; | |
e126ba97 | 793 | goto out; |
e126ba97 | 794 | } |
e126ba97 | 795 | |
1b5daf11 | 796 | memset(props, 0, sizeof(*props)); |
e126ba97 | 797 | |
1b5daf11 | 798 | err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep); |
e126ba97 EC |
799 | if (err) |
800 | goto out; | |
801 | ||
1b5daf11 MD |
802 | props->lid = rep->lid; |
803 | props->lmc = rep->lmc; | |
804 | props->sm_lid = rep->sm_lid; | |
805 | props->sm_sl = rep->sm_sl; | |
806 | props->state = rep->vport_state; | |
807 | props->phys_state = rep->port_physical_state; | |
808 | props->port_cap_flags = rep->cap_mask1; | |
809 | props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); | |
810 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); | |
811 | props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); | |
812 | props->bad_pkey_cntr = rep->pkey_violation_counter; | |
813 | props->qkey_viol_cntr = rep->qkey_violation_counter; | |
814 | props->subnet_timeout = rep->subnet_timeout; | |
815 | props->init_type_reply = rep->init_type_reply; | |
eff901d3 | 816 | props->grh_required = rep->grh_required; |
e126ba97 | 817 | |
1b5daf11 MD |
818 | err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port); |
819 | if (err) | |
e126ba97 | 820 | goto out; |
e126ba97 | 821 | |
1b5daf11 MD |
822 | err = translate_active_width(ibdev, ib_link_width_oper, |
823 | &props->active_width); | |
824 | if (err) | |
825 | goto out; | |
d5beb7f2 | 826 | err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port); |
e126ba97 EC |
827 | if (err) |
828 | goto out; | |
829 | ||
facc9699 | 830 | mlx5_query_port_max_mtu(mdev, &max_mtu, port); |
e126ba97 | 831 | |
1b5daf11 | 832 | props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu); |
e126ba97 | 833 | |
facc9699 | 834 | mlx5_query_port_oper_mtu(mdev, &oper_mtu, port); |
e126ba97 | 835 | |
1b5daf11 | 836 | props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu); |
e126ba97 | 837 | |
1b5daf11 MD |
838 | err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port); |
839 | if (err) | |
840 | goto out; | |
e126ba97 | 841 | |
1b5daf11 MD |
842 | err = translate_max_vl_num(ibdev, vl_hw_cap, |
843 | &props->max_vl_num); | |
e126ba97 | 844 | out: |
1b5daf11 | 845 | kfree(rep); |
e126ba97 EC |
846 | return err; |
847 | } | |
848 | ||
1b5daf11 MD |
849 | int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, |
850 | struct ib_port_attr *props) | |
e126ba97 | 851 | { |
1b5daf11 MD |
852 | switch (mlx5_get_vport_access_method(ibdev)) { |
853 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
854 | return mlx5_query_mad_ifc_port(ibdev, port, props); | |
e126ba97 | 855 | |
1b5daf11 MD |
856 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
857 | return mlx5_query_hca_port(ibdev, port, props); | |
e126ba97 | 858 | |
3f89a643 AS |
859 | case MLX5_VPORT_ACCESS_METHOD_NIC: |
860 | return mlx5_query_port_roce(ibdev, port, props); | |
861 | ||
1b5daf11 MD |
862 | default: |
863 | return -EINVAL; | |
864 | } | |
865 | } | |
e126ba97 | 866 | |
1b5daf11 MD |
867 | static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
868 | union ib_gid *gid) | |
869 | { | |
870 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
871 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 | 872 | |
1b5daf11 MD |
873 | switch (mlx5_get_vport_access_method(ibdev)) { |
874 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
875 | return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); | |
e126ba97 | 876 | |
1b5daf11 MD |
877 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
878 | return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid); | |
879 | ||
880 | default: | |
881 | return -EINVAL; | |
882 | } | |
e126ba97 | 883 | |
e126ba97 EC |
884 | } |
885 | ||
1b5daf11 MD |
886 | static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
887 | u16 *pkey) | |
888 | { | |
889 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
890 | struct mlx5_core_dev *mdev = dev->mdev; | |
891 | ||
892 | switch (mlx5_get_vport_access_method(ibdev)) { | |
893 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
894 | return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); | |
895 | ||
896 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
897 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
898 | return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index, | |
899 | pkey); | |
900 | default: | |
901 | return -EINVAL; | |
902 | } | |
903 | } | |
e126ba97 EC |
904 | |
905 | static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, | |
906 | struct ib_device_modify *props) | |
907 | { | |
908 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
909 | struct mlx5_reg_node_desc in; | |
910 | struct mlx5_reg_node_desc out; | |
911 | int err; | |
912 | ||
913 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
914 | return -EOPNOTSUPP; | |
915 | ||
916 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) | |
917 | return 0; | |
918 | ||
919 | /* | |
920 | * If possible, pass node desc to FW, so it can generate | |
921 | * a 144 trap. If cmd fails, just ignore. | |
922 | */ | |
bd99fdea | 923 | memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
9603b61d | 924 | err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, |
e126ba97 EC |
925 | sizeof(out), MLX5_REG_NODE_DESC, 0, 1); |
926 | if (err) | |
927 | return err; | |
928 | ||
bd99fdea | 929 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
e126ba97 EC |
930 | |
931 | return err; | |
932 | } | |
933 | ||
934 | static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
935 | struct ib_port_modify *props) | |
936 | { | |
937 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938 | struct ib_port_attr attr; | |
939 | u32 tmp; | |
940 | int err; | |
941 | ||
942 | mutex_lock(&dev->cap_mask_mutex); | |
943 | ||
944 | err = mlx5_ib_query_port(ibdev, port, &attr); | |
945 | if (err) | |
946 | goto out; | |
947 | ||
948 | tmp = (attr.port_cap_flags | props->set_port_cap_mask) & | |
949 | ~props->clr_port_cap_mask; | |
950 | ||
9603b61d | 951 | err = mlx5_set_port_caps(dev->mdev, port, tmp); |
e126ba97 EC |
952 | |
953 | out: | |
954 | mutex_unlock(&dev->cap_mask_mutex); | |
955 | return err; | |
956 | } | |
957 | ||
958 | static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, | |
959 | struct ib_udata *udata) | |
960 | { | |
961 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b368d7cb MB |
962 | struct mlx5_ib_alloc_ucontext_req_v2 req = {}; |
963 | struct mlx5_ib_alloc_ucontext_resp resp = {}; | |
e126ba97 EC |
964 | struct mlx5_ib_ucontext *context; |
965 | struct mlx5_uuar_info *uuari; | |
966 | struct mlx5_uar *uars; | |
c1be5232 | 967 | int gross_uuars; |
e126ba97 | 968 | int num_uars; |
78c0f98c | 969 | int ver; |
e126ba97 EC |
970 | int uuarn; |
971 | int err; | |
972 | int i; | |
f241e749 | 973 | size_t reqlen; |
a168a41c MD |
974 | size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, |
975 | max_cqe_version); | |
e126ba97 EC |
976 | |
977 | if (!dev->ib_active) | |
978 | return ERR_PTR(-EAGAIN); | |
979 | ||
dfbee859 HA |
980 | if (udata->inlen < sizeof(struct ib_uverbs_cmd_hdr)) |
981 | return ERR_PTR(-EINVAL); | |
982 | ||
78c0f98c EC |
983 | reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); |
984 | if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) | |
985 | ver = 0; | |
a168a41c | 986 | else if (reqlen >= min_req_v2) |
78c0f98c EC |
987 | ver = 2; |
988 | else | |
989 | return ERR_PTR(-EINVAL); | |
990 | ||
b368d7cb | 991 | err = ib_copy_from_udata(&req, udata, min(reqlen, sizeof(req))); |
e126ba97 EC |
992 | if (err) |
993 | return ERR_PTR(err); | |
994 | ||
b368d7cb | 995 | if (req.flags) |
78c0f98c EC |
996 | return ERR_PTR(-EINVAL); |
997 | ||
e126ba97 EC |
998 | if (req.total_num_uuars > MLX5_MAX_UUARS) |
999 | return ERR_PTR(-ENOMEM); | |
1000 | ||
1001 | if (req.total_num_uuars == 0) | |
1002 | return ERR_PTR(-EINVAL); | |
1003 | ||
f72300c5 | 1004 | if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) |
b368d7cb MB |
1005 | return ERR_PTR(-EOPNOTSUPP); |
1006 | ||
1007 | if (reqlen > sizeof(req) && | |
1008 | !ib_is_udata_cleared(udata, sizeof(req), | |
dfbee859 | 1009 | reqlen - sizeof(req))) |
b368d7cb MB |
1010 | return ERR_PTR(-EOPNOTSUPP); |
1011 | ||
c1be5232 EC |
1012 | req.total_num_uuars = ALIGN(req.total_num_uuars, |
1013 | MLX5_NON_FP_BF_REGS_PER_PAGE); | |
e126ba97 EC |
1014 | if (req.num_low_latency_uuars > req.total_num_uuars - 1) |
1015 | return ERR_PTR(-EINVAL); | |
1016 | ||
c1be5232 EC |
1017 | num_uars = req.total_num_uuars / MLX5_NON_FP_BF_REGS_PER_PAGE; |
1018 | gross_uuars = num_uars * MLX5_BF_REGS_PER_PAGE; | |
938fe83c | 1019 | resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); |
2cc6ad5f NO |
1020 | if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) |
1021 | resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); | |
938fe83c SM |
1022 | resp.cache_line_size = L1_CACHE_BYTES; |
1023 | resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); | |
1024 | resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); | |
1025 | resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1026 | resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1027 | resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); | |
f72300c5 HA |
1028 | resp.cqe_version = min_t(__u8, |
1029 | (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), | |
1030 | req.max_cqe_version); | |
b368d7cb MB |
1031 | resp.response_length = min(offsetof(typeof(resp), response_length) + |
1032 | sizeof(resp.response_length), udata->outlen); | |
e126ba97 EC |
1033 | |
1034 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
1035 | if (!context) | |
1036 | return ERR_PTR(-ENOMEM); | |
1037 | ||
1038 | uuari = &context->uuari; | |
1039 | mutex_init(&uuari->lock); | |
1040 | uars = kcalloc(num_uars, sizeof(*uars), GFP_KERNEL); | |
1041 | if (!uars) { | |
1042 | err = -ENOMEM; | |
1043 | goto out_ctx; | |
1044 | } | |
1045 | ||
c1be5232 | 1046 | uuari->bitmap = kcalloc(BITS_TO_LONGS(gross_uuars), |
e126ba97 EC |
1047 | sizeof(*uuari->bitmap), |
1048 | GFP_KERNEL); | |
1049 | if (!uuari->bitmap) { | |
1050 | err = -ENOMEM; | |
1051 | goto out_uar_ctx; | |
1052 | } | |
1053 | /* | |
1054 | * clear all fast path uuars | |
1055 | */ | |
c1be5232 | 1056 | for (i = 0; i < gross_uuars; i++) { |
e126ba97 EC |
1057 | uuarn = i & 3; |
1058 | if (uuarn == 2 || uuarn == 3) | |
1059 | set_bit(i, uuari->bitmap); | |
1060 | } | |
1061 | ||
c1be5232 | 1062 | uuari->count = kcalloc(gross_uuars, sizeof(*uuari->count), GFP_KERNEL); |
e126ba97 EC |
1063 | if (!uuari->count) { |
1064 | err = -ENOMEM; | |
1065 | goto out_bitmap; | |
1066 | } | |
1067 | ||
1068 | for (i = 0; i < num_uars; i++) { | |
9603b61d | 1069 | err = mlx5_cmd_alloc_uar(dev->mdev, &uars[i].index); |
e126ba97 EC |
1070 | if (err) |
1071 | goto out_count; | |
1072 | } | |
1073 | ||
b4cfe447 HE |
1074 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
1075 | context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; | |
1076 | #endif | |
1077 | ||
146d2f1a | 1078 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { |
1079 | err = mlx5_core_alloc_transport_domain(dev->mdev, | |
1080 | &context->tdn); | |
1081 | if (err) | |
1082 | goto out_uars; | |
1083 | } | |
1084 | ||
7c2344c3 | 1085 | INIT_LIST_HEAD(&context->vma_private_list); |
e126ba97 EC |
1086 | INIT_LIST_HEAD(&context->db_page_list); |
1087 | mutex_init(&context->db_page_mutex); | |
1088 | ||
1089 | resp.tot_uuars = req.total_num_uuars; | |
938fe83c | 1090 | resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports); |
b368d7cb | 1091 | |
f72300c5 HA |
1092 | if (field_avail(typeof(resp), cqe_version, udata->outlen)) |
1093 | resp.response_length += sizeof(resp.cqe_version); | |
b368d7cb | 1094 | |
402ca536 BW |
1095 | if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { |
1096 | resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE; | |
1097 | resp.response_length += sizeof(resp.cmds_supp_uhw); | |
1098 | } | |
1099 | ||
bc5c6eed NO |
1100 | /* |
1101 | * We don't want to expose information from the PCI bar that is located | |
1102 | * after 4096 bytes, so if the arch only supports larger pages, let's | |
1103 | * pretend we don't support reading the HCA's core clock. This is also | |
1104 | * forced by mmap function. | |
1105 | */ | |
1106 | if (PAGE_SIZE <= 4096 && | |
1107 | field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { | |
b368d7cb MB |
1108 | resp.comp_mask |= |
1109 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; | |
1110 | resp.hca_core_clock_offset = | |
1111 | offsetof(struct mlx5_init_seg, internal_timer_h) % | |
1112 | PAGE_SIZE; | |
f72300c5 | 1113 | resp.response_length += sizeof(resp.hca_core_clock_offset) + |
402ca536 | 1114 | sizeof(resp.reserved2); |
b368d7cb MB |
1115 | } |
1116 | ||
1117 | err = ib_copy_to_udata(udata, &resp, resp.response_length); | |
e126ba97 | 1118 | if (err) |
146d2f1a | 1119 | goto out_td; |
e126ba97 | 1120 | |
78c0f98c | 1121 | uuari->ver = ver; |
e126ba97 EC |
1122 | uuari->num_low_latency_uuars = req.num_low_latency_uuars; |
1123 | uuari->uars = uars; | |
1124 | uuari->num_uars = num_uars; | |
f72300c5 HA |
1125 | context->cqe_version = resp.cqe_version; |
1126 | ||
e126ba97 EC |
1127 | return &context->ibucontext; |
1128 | ||
146d2f1a | 1129 | out_td: |
1130 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) | |
1131 | mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn); | |
1132 | ||
e126ba97 EC |
1133 | out_uars: |
1134 | for (i--; i >= 0; i--) | |
9603b61d | 1135 | mlx5_cmd_free_uar(dev->mdev, uars[i].index); |
e126ba97 EC |
1136 | out_count: |
1137 | kfree(uuari->count); | |
1138 | ||
1139 | out_bitmap: | |
1140 | kfree(uuari->bitmap); | |
1141 | ||
1142 | out_uar_ctx: | |
1143 | kfree(uars); | |
1144 | ||
1145 | out_ctx: | |
1146 | kfree(context); | |
1147 | return ERR_PTR(err); | |
1148 | } | |
1149 | ||
1150 | static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
1151 | { | |
1152 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1153 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
1154 | struct mlx5_uuar_info *uuari = &context->uuari; | |
1155 | int i; | |
1156 | ||
146d2f1a | 1157 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1158 | mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn); | |
1159 | ||
e126ba97 | 1160 | for (i = 0; i < uuari->num_uars; i++) { |
9603b61d | 1161 | if (mlx5_cmd_free_uar(dev->mdev, uuari->uars[i].index)) |
e126ba97 EC |
1162 | mlx5_ib_warn(dev, "failed to free UAR 0x%x\n", uuari->uars[i].index); |
1163 | } | |
1164 | ||
1165 | kfree(uuari->count); | |
1166 | kfree(uuari->bitmap); | |
1167 | kfree(uuari->uars); | |
1168 | kfree(context); | |
1169 | ||
1170 | return 0; | |
1171 | } | |
1172 | ||
1173 | static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, int index) | |
1174 | { | |
9603b61d | 1175 | return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + index; |
e126ba97 EC |
1176 | } |
1177 | ||
1178 | static int get_command(unsigned long offset) | |
1179 | { | |
1180 | return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; | |
1181 | } | |
1182 | ||
1183 | static int get_arg(unsigned long offset) | |
1184 | { | |
1185 | return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); | |
1186 | } | |
1187 | ||
1188 | static int get_index(unsigned long offset) | |
1189 | { | |
1190 | return get_arg(offset); | |
1191 | } | |
1192 | ||
7c2344c3 MG |
1193 | static void mlx5_ib_vma_open(struct vm_area_struct *area) |
1194 | { | |
1195 | /* vma_open is called when a new VMA is created on top of our VMA. This | |
1196 | * is done through either mremap flow or split_vma (usually due to | |
1197 | * mlock, madvise, munmap, etc.) We do not support a clone of the VMA, | |
1198 | * as this VMA is strongly hardware related. Therefore we set the | |
1199 | * vm_ops of the newly created/cloned VMA to NULL, to prevent it from | |
1200 | * calling us again and trying to do incorrect actions. We assume that | |
1201 | * the original VMA size is exactly a single page, and therefore all | |
1202 | * "splitting" operation will not happen to it. | |
1203 | */ | |
1204 | area->vm_ops = NULL; | |
1205 | } | |
1206 | ||
1207 | static void mlx5_ib_vma_close(struct vm_area_struct *area) | |
1208 | { | |
1209 | struct mlx5_ib_vma_private_data *mlx5_ib_vma_priv_data; | |
1210 | ||
1211 | /* It's guaranteed that all VMAs opened on a FD are closed before the | |
1212 | * file itself is closed, therefore no sync is needed with the regular | |
1213 | * closing flow. (e.g. mlx5 ib_dealloc_ucontext) | |
1214 | * However need a sync with accessing the vma as part of | |
1215 | * mlx5_ib_disassociate_ucontext. | |
1216 | * The close operation is usually called under mm->mmap_sem except when | |
1217 | * process is exiting. | |
1218 | * The exiting case is handled explicitly as part of | |
1219 | * mlx5_ib_disassociate_ucontext. | |
1220 | */ | |
1221 | mlx5_ib_vma_priv_data = (struct mlx5_ib_vma_private_data *)area->vm_private_data; | |
1222 | ||
1223 | /* setting the vma context pointer to null in the mlx5_ib driver's | |
1224 | * private data, to protect a race condition in | |
1225 | * mlx5_ib_disassociate_ucontext(). | |
1226 | */ | |
1227 | mlx5_ib_vma_priv_data->vma = NULL; | |
1228 | list_del(&mlx5_ib_vma_priv_data->list); | |
1229 | kfree(mlx5_ib_vma_priv_data); | |
1230 | } | |
1231 | ||
1232 | static const struct vm_operations_struct mlx5_ib_vm_ops = { | |
1233 | .open = mlx5_ib_vma_open, | |
1234 | .close = mlx5_ib_vma_close | |
1235 | }; | |
1236 | ||
1237 | static int mlx5_ib_set_vma_data(struct vm_area_struct *vma, | |
1238 | struct mlx5_ib_ucontext *ctx) | |
1239 | { | |
1240 | struct mlx5_ib_vma_private_data *vma_prv; | |
1241 | struct list_head *vma_head = &ctx->vma_private_list; | |
1242 | ||
1243 | vma_prv = kzalloc(sizeof(*vma_prv), GFP_KERNEL); | |
1244 | if (!vma_prv) | |
1245 | return -ENOMEM; | |
1246 | ||
1247 | vma_prv->vma = vma; | |
1248 | vma->vm_private_data = vma_prv; | |
1249 | vma->vm_ops = &mlx5_ib_vm_ops; | |
1250 | ||
1251 | list_add(&vma_prv->list, vma_head); | |
1252 | ||
1253 | return 0; | |
1254 | } | |
1255 | ||
1256 | static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
1257 | { | |
1258 | int ret; | |
1259 | struct vm_area_struct *vma; | |
1260 | struct mlx5_ib_vma_private_data *vma_private, *n; | |
1261 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1262 | struct task_struct *owning_process = NULL; | |
1263 | struct mm_struct *owning_mm = NULL; | |
1264 | ||
1265 | owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); | |
1266 | if (!owning_process) | |
1267 | return; | |
1268 | ||
1269 | owning_mm = get_task_mm(owning_process); | |
1270 | if (!owning_mm) { | |
1271 | pr_info("no mm, disassociate ucontext is pending task termination\n"); | |
1272 | while (1) { | |
1273 | put_task_struct(owning_process); | |
1274 | usleep_range(1000, 2000); | |
1275 | owning_process = get_pid_task(ibcontext->tgid, | |
1276 | PIDTYPE_PID); | |
1277 | if (!owning_process || | |
1278 | owning_process->state == TASK_DEAD) { | |
1279 | pr_info("disassociate ucontext done, task was terminated\n"); | |
1280 | /* in case task was dead need to release the | |
1281 | * task struct. | |
1282 | */ | |
1283 | if (owning_process) | |
1284 | put_task_struct(owning_process); | |
1285 | return; | |
1286 | } | |
1287 | } | |
1288 | } | |
1289 | ||
1290 | /* need to protect from a race on closing the vma as part of | |
1291 | * mlx5_ib_vma_close. | |
1292 | */ | |
1293 | down_read(&owning_mm->mmap_sem); | |
1294 | list_for_each_entry_safe(vma_private, n, &context->vma_private_list, | |
1295 | list) { | |
1296 | vma = vma_private->vma; | |
1297 | ret = zap_vma_ptes(vma, vma->vm_start, | |
1298 | PAGE_SIZE); | |
1299 | WARN_ONCE(ret, "%s: zap_vma_ptes failed", __func__); | |
1300 | /* context going to be destroyed, should | |
1301 | * not access ops any more. | |
1302 | */ | |
1303 | vma->vm_ops = NULL; | |
1304 | list_del(&vma_private->list); | |
1305 | kfree(vma_private); | |
1306 | } | |
1307 | up_read(&owning_mm->mmap_sem); | |
1308 | mmput(owning_mm); | |
1309 | put_task_struct(owning_process); | |
1310 | } | |
1311 | ||
37aa5c36 GL |
1312 | static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) |
1313 | { | |
1314 | switch (cmd) { | |
1315 | case MLX5_IB_MMAP_WC_PAGE: | |
1316 | return "WC"; | |
1317 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
1318 | return "best effort WC"; | |
1319 | case MLX5_IB_MMAP_NC_PAGE: | |
1320 | return "NC"; | |
1321 | default: | |
1322 | return NULL; | |
1323 | } | |
1324 | } | |
1325 | ||
1326 | static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, | |
7c2344c3 MG |
1327 | struct vm_area_struct *vma, |
1328 | struct mlx5_ib_ucontext *context) | |
37aa5c36 | 1329 | { |
7c2344c3 | 1330 | struct mlx5_uuar_info *uuari = &context->uuari; |
37aa5c36 GL |
1331 | int err; |
1332 | unsigned long idx; | |
1333 | phys_addr_t pfn, pa; | |
1334 | pgprot_t prot; | |
1335 | ||
1336 | switch (cmd) { | |
1337 | case MLX5_IB_MMAP_WC_PAGE: | |
1338 | /* Some architectures don't support WC memory */ | |
1339 | #if defined(CONFIG_X86) | |
1340 | if (!pat_enabled()) | |
1341 | return -EPERM; | |
1342 | #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) | |
1343 | return -EPERM; | |
1344 | #endif | |
1345 | /* fall through */ | |
1346 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
1347 | /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ | |
1348 | prot = pgprot_writecombine(vma->vm_page_prot); | |
1349 | break; | |
1350 | case MLX5_IB_MMAP_NC_PAGE: | |
1351 | prot = pgprot_noncached(vma->vm_page_prot); | |
1352 | break; | |
1353 | default: | |
1354 | return -EINVAL; | |
1355 | } | |
1356 | ||
1357 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
1358 | return -EINVAL; | |
1359 | ||
1360 | idx = get_index(vma->vm_pgoff); | |
1361 | if (idx >= uuari->num_uars) | |
1362 | return -EINVAL; | |
1363 | ||
1364 | pfn = uar_index2pfn(dev, uuari->uars[idx].index); | |
1365 | mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); | |
1366 | ||
1367 | vma->vm_page_prot = prot; | |
1368 | err = io_remap_pfn_range(vma, vma->vm_start, pfn, | |
1369 | PAGE_SIZE, vma->vm_page_prot); | |
1370 | if (err) { | |
1371 | mlx5_ib_err(dev, "io_remap_pfn_range failed with error=%d, vm_start=0x%lx, pfn=%pa, mmap_cmd=%s\n", | |
1372 | err, vma->vm_start, &pfn, mmap_cmd2str(cmd)); | |
1373 | return -EAGAIN; | |
1374 | } | |
1375 | ||
1376 | pa = pfn << PAGE_SHIFT; | |
1377 | mlx5_ib_dbg(dev, "mapped %s at 0x%lx, PA %pa\n", mmap_cmd2str(cmd), | |
1378 | vma->vm_start, &pa); | |
1379 | ||
7c2344c3 | 1380 | return mlx5_ib_set_vma_data(vma, context); |
37aa5c36 GL |
1381 | } |
1382 | ||
e126ba97 EC |
1383 | static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) |
1384 | { | |
1385 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1386 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
e126ba97 | 1387 | unsigned long command; |
e126ba97 EC |
1388 | phys_addr_t pfn; |
1389 | ||
1390 | command = get_command(vma->vm_pgoff); | |
1391 | switch (command) { | |
37aa5c36 GL |
1392 | case MLX5_IB_MMAP_WC_PAGE: |
1393 | case MLX5_IB_MMAP_NC_PAGE: | |
e126ba97 | 1394 | case MLX5_IB_MMAP_REGULAR_PAGE: |
7c2344c3 | 1395 | return uar_mmap(dev, command, vma, context); |
e126ba97 EC |
1396 | |
1397 | case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: | |
1398 | return -ENOSYS; | |
1399 | ||
d69e3bcf | 1400 | case MLX5_IB_MMAP_CORE_CLOCK: |
d69e3bcf MB |
1401 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
1402 | return -EINVAL; | |
1403 | ||
6cbac1e4 | 1404 | if (vma->vm_flags & VM_WRITE) |
d69e3bcf MB |
1405 | return -EPERM; |
1406 | ||
1407 | /* Don't expose to user-space information it shouldn't have */ | |
1408 | if (PAGE_SIZE > 4096) | |
1409 | return -EOPNOTSUPP; | |
1410 | ||
1411 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
1412 | pfn = (dev->mdev->iseg_base + | |
1413 | offsetof(struct mlx5_init_seg, internal_timer_h)) >> | |
1414 | PAGE_SHIFT; | |
1415 | if (io_remap_pfn_range(vma, vma->vm_start, pfn, | |
1416 | PAGE_SIZE, vma->vm_page_prot)) | |
1417 | return -EAGAIN; | |
1418 | ||
1419 | mlx5_ib_dbg(dev, "mapped internal timer at 0x%lx, PA 0x%llx\n", | |
1420 | vma->vm_start, | |
1421 | (unsigned long long)pfn << PAGE_SHIFT); | |
1422 | break; | |
d69e3bcf | 1423 | |
e126ba97 EC |
1424 | default: |
1425 | return -EINVAL; | |
1426 | } | |
1427 | ||
1428 | return 0; | |
1429 | } | |
1430 | ||
e126ba97 EC |
1431 | static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, |
1432 | struct ib_ucontext *context, | |
1433 | struct ib_udata *udata) | |
1434 | { | |
1435 | struct mlx5_ib_alloc_pd_resp resp; | |
1436 | struct mlx5_ib_pd *pd; | |
1437 | int err; | |
1438 | ||
1439 | pd = kmalloc(sizeof(*pd), GFP_KERNEL); | |
1440 | if (!pd) | |
1441 | return ERR_PTR(-ENOMEM); | |
1442 | ||
9603b61d | 1443 | err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn); |
e126ba97 EC |
1444 | if (err) { |
1445 | kfree(pd); | |
1446 | return ERR_PTR(err); | |
1447 | } | |
1448 | ||
1449 | if (context) { | |
1450 | resp.pdn = pd->pdn; | |
1451 | if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { | |
9603b61d | 1452 | mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); |
e126ba97 EC |
1453 | kfree(pd); |
1454 | return ERR_PTR(-EFAULT); | |
1455 | } | |
e126ba97 EC |
1456 | } |
1457 | ||
1458 | return &pd->ibpd; | |
1459 | } | |
1460 | ||
1461 | static int mlx5_ib_dealloc_pd(struct ib_pd *pd) | |
1462 | { | |
1463 | struct mlx5_ib_dev *mdev = to_mdev(pd->device); | |
1464 | struct mlx5_ib_pd *mpd = to_mpd(pd); | |
1465 | ||
9603b61d | 1466 | mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); |
e126ba97 EC |
1467 | kfree(mpd); |
1468 | ||
1469 | return 0; | |
1470 | } | |
1471 | ||
466fa6d2 MG |
1472 | enum { |
1473 | MATCH_CRITERIA_ENABLE_OUTER_BIT, | |
1474 | MATCH_CRITERIA_ENABLE_MISC_BIT, | |
1475 | MATCH_CRITERIA_ENABLE_INNER_BIT | |
1476 | }; | |
1477 | ||
1478 | #define HEADER_IS_ZERO(match_criteria, headers) \ | |
1479 | !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ | |
1480 | 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ | |
038d2ef8 | 1481 | |
466fa6d2 | 1482 | static u8 get_match_criteria_enable(u32 *match_criteria) |
038d2ef8 | 1483 | { |
466fa6d2 | 1484 | u8 match_criteria_enable; |
038d2ef8 | 1485 | |
466fa6d2 MG |
1486 | match_criteria_enable = |
1487 | (!HEADER_IS_ZERO(match_criteria, outer_headers)) << | |
1488 | MATCH_CRITERIA_ENABLE_OUTER_BIT; | |
1489 | match_criteria_enable |= | |
1490 | (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << | |
1491 | MATCH_CRITERIA_ENABLE_MISC_BIT; | |
1492 | match_criteria_enable |= | |
1493 | (!HEADER_IS_ZERO(match_criteria, inner_headers)) << | |
1494 | MATCH_CRITERIA_ENABLE_INNER_BIT; | |
1495 | ||
1496 | return match_criteria_enable; | |
038d2ef8 MG |
1497 | } |
1498 | ||
ca0d4753 MG |
1499 | static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) |
1500 | { | |
1501 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); | |
1502 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); | |
038d2ef8 MG |
1503 | } |
1504 | ||
ca0d4753 MG |
1505 | static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) |
1506 | { | |
1507 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); | |
1508 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); | |
1509 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); | |
1510 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); | |
1511 | } | |
1512 | ||
c47ac6ae MG |
1513 | #define LAST_ETH_FIELD vlan_tag |
1514 | #define LAST_IB_FIELD sl | |
ca0d4753 | 1515 | #define LAST_IPV4_FIELD tos |
466fa6d2 | 1516 | #define LAST_IPV6_FIELD traffic_class |
c47ac6ae MG |
1517 | #define LAST_TCP_UDP_FIELD src_port |
1518 | ||
1519 | /* Field is the last supported field */ | |
1520 | #define FIELDS_NOT_SUPPORTED(filter, field)\ | |
1521 | memchr_inv((void *)&filter.field +\ | |
1522 | sizeof(filter.field), 0,\ | |
1523 | sizeof(filter) -\ | |
1524 | offsetof(typeof(filter), field) -\ | |
1525 | sizeof(filter.field)) | |
1526 | ||
038d2ef8 | 1527 | static int parse_flow_attr(u32 *match_c, u32 *match_v, |
dd063d0e | 1528 | const union ib_flow_spec *ib_spec) |
038d2ef8 MG |
1529 | { |
1530 | void *outer_headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
1531 | outer_headers); | |
1532 | void *outer_headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
1533 | outer_headers); | |
466fa6d2 MG |
1534 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, |
1535 | misc_parameters); | |
1536 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
1537 | misc_parameters); | |
1538 | ||
038d2ef8 MG |
1539 | switch (ib_spec->type) { |
1540 | case IB_FLOW_SPEC_ETH: | |
c47ac6ae MG |
1541 | if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) |
1542 | return -ENOTSUPP; | |
038d2ef8 MG |
1543 | |
1544 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, | |
1545 | dmac_47_16), | |
1546 | ib_spec->eth.mask.dst_mac); | |
1547 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1548 | dmac_47_16), | |
1549 | ib_spec->eth.val.dst_mac); | |
1550 | ||
ee3da804 MG |
1551 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, |
1552 | smac_47_16), | |
1553 | ib_spec->eth.mask.src_mac); | |
1554 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1555 | smac_47_16), | |
1556 | ib_spec->eth.val.src_mac); | |
1557 | ||
038d2ef8 MG |
1558 | if (ib_spec->eth.mask.vlan_tag) { |
1559 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1560 | vlan_tag, 1); | |
1561 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1562 | vlan_tag, 1); | |
1563 | ||
1564 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1565 | first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); | |
1566 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1567 | first_vid, ntohs(ib_spec->eth.val.vlan_tag)); | |
1568 | ||
1569 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1570 | first_cfi, | |
1571 | ntohs(ib_spec->eth.mask.vlan_tag) >> 12); | |
1572 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1573 | first_cfi, | |
1574 | ntohs(ib_spec->eth.val.vlan_tag) >> 12); | |
1575 | ||
1576 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1577 | first_prio, | |
1578 | ntohs(ib_spec->eth.mask.vlan_tag) >> 13); | |
1579 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1580 | first_prio, | |
1581 | ntohs(ib_spec->eth.val.vlan_tag) >> 13); | |
1582 | } | |
1583 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1584 | ethertype, ntohs(ib_spec->eth.mask.ether_type)); | |
1585 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1586 | ethertype, ntohs(ib_spec->eth.val.ether_type)); | |
1587 | break; | |
1588 | case IB_FLOW_SPEC_IPV4: | |
c47ac6ae MG |
1589 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) |
1590 | return -ENOTSUPP; | |
038d2ef8 MG |
1591 | |
1592 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1593 | ethertype, 0xffff); | |
1594 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1595 | ethertype, ETH_P_IP); | |
1596 | ||
1597 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, | |
1598 | src_ipv4_src_ipv6.ipv4_layout.ipv4), | |
1599 | &ib_spec->ipv4.mask.src_ip, | |
1600 | sizeof(ib_spec->ipv4.mask.src_ip)); | |
1601 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1602 | src_ipv4_src_ipv6.ipv4_layout.ipv4), | |
1603 | &ib_spec->ipv4.val.src_ip, | |
1604 | sizeof(ib_spec->ipv4.val.src_ip)); | |
1605 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, | |
1606 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), | |
1607 | &ib_spec->ipv4.mask.dst_ip, | |
1608 | sizeof(ib_spec->ipv4.mask.dst_ip)); | |
1609 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1610 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), | |
1611 | &ib_spec->ipv4.val.dst_ip, | |
1612 | sizeof(ib_spec->ipv4.val.dst_ip)); | |
ca0d4753 MG |
1613 | |
1614 | set_tos(outer_headers_c, outer_headers_v, | |
1615 | ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); | |
1616 | ||
1617 | set_proto(outer_headers_c, outer_headers_v, | |
1618 | ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); | |
038d2ef8 | 1619 | break; |
026bae0c | 1620 | case IB_FLOW_SPEC_IPV6: |
c47ac6ae MG |
1621 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) |
1622 | return -ENOTSUPP; | |
026bae0c MG |
1623 | |
1624 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, | |
1625 | ethertype, 0xffff); | |
1626 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, | |
1627 | ethertype, ETH_P_IPV6); | |
1628 | ||
1629 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, | |
1630 | src_ipv4_src_ipv6.ipv6_layout.ipv6), | |
1631 | &ib_spec->ipv6.mask.src_ip, | |
1632 | sizeof(ib_spec->ipv6.mask.src_ip)); | |
1633 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1634 | src_ipv4_src_ipv6.ipv6_layout.ipv6), | |
1635 | &ib_spec->ipv6.val.src_ip, | |
1636 | sizeof(ib_spec->ipv6.val.src_ip)); | |
1637 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, | |
1638 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), | |
1639 | &ib_spec->ipv6.mask.dst_ip, | |
1640 | sizeof(ib_spec->ipv6.mask.dst_ip)); | |
1641 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, | |
1642 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), | |
1643 | &ib_spec->ipv6.val.dst_ip, | |
1644 | sizeof(ib_spec->ipv6.val.dst_ip)); | |
466fa6d2 MG |
1645 | |
1646 | set_tos(outer_headers_c, outer_headers_v, | |
1647 | ib_spec->ipv6.mask.traffic_class, | |
1648 | ib_spec->ipv6.val.traffic_class); | |
1649 | ||
1650 | set_proto(outer_headers_c, outer_headers_v, | |
1651 | ib_spec->ipv6.mask.next_hdr, | |
1652 | ib_spec->ipv6.val.next_hdr); | |
1653 | ||
1654 | MLX5_SET(fte_match_set_misc, misc_params_c, | |
1655 | outer_ipv6_flow_label, | |
1656 | ntohl(ib_spec->ipv6.mask.flow_label)); | |
1657 | MLX5_SET(fte_match_set_misc, misc_params_v, | |
1658 | outer_ipv6_flow_label, | |
1659 | ntohl(ib_spec->ipv6.val.flow_label)); | |
026bae0c | 1660 | break; |
038d2ef8 | 1661 | case IB_FLOW_SPEC_TCP: |
c47ac6ae MG |
1662 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
1663 | LAST_TCP_UDP_FIELD)) | |
1664 | return -ENOTSUPP; | |
038d2ef8 MG |
1665 | |
1666 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, | |
1667 | 0xff); | |
1668 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, | |
1669 | IPPROTO_TCP); | |
1670 | ||
1671 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_sport, | |
1672 | ntohs(ib_spec->tcp_udp.mask.src_port)); | |
1673 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_sport, | |
1674 | ntohs(ib_spec->tcp_udp.val.src_port)); | |
1675 | ||
1676 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, tcp_dport, | |
1677 | ntohs(ib_spec->tcp_udp.mask.dst_port)); | |
1678 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, tcp_dport, | |
1679 | ntohs(ib_spec->tcp_udp.val.dst_port)); | |
1680 | break; | |
1681 | case IB_FLOW_SPEC_UDP: | |
c47ac6ae MG |
1682 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
1683 | LAST_TCP_UDP_FIELD)) | |
1684 | return -ENOTSUPP; | |
038d2ef8 MG |
1685 | |
1686 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, ip_protocol, | |
1687 | 0xff); | |
1688 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, ip_protocol, | |
1689 | IPPROTO_UDP); | |
1690 | ||
1691 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_sport, | |
1692 | ntohs(ib_spec->tcp_udp.mask.src_port)); | |
1693 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_sport, | |
1694 | ntohs(ib_spec->tcp_udp.val.src_port)); | |
1695 | ||
1696 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, udp_dport, | |
1697 | ntohs(ib_spec->tcp_udp.mask.dst_port)); | |
1698 | MLX5_SET(fte_match_set_lyr_2_4, outer_headers_v, udp_dport, | |
1699 | ntohs(ib_spec->tcp_udp.val.dst_port)); | |
1700 | break; | |
1701 | default: | |
1702 | return -EINVAL; | |
1703 | } | |
1704 | ||
1705 | return 0; | |
1706 | } | |
1707 | ||
1708 | /* If a flow could catch both multicast and unicast packets, | |
1709 | * it won't fall into the multicast flow steering table and this rule | |
1710 | * could steal other multicast packets. | |
1711 | */ | |
1712 | static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr) | |
1713 | { | |
1714 | struct ib_flow_spec_eth *eth_spec; | |
1715 | ||
1716 | if (ib_attr->type != IB_FLOW_ATTR_NORMAL || | |
1717 | ib_attr->size < sizeof(struct ib_flow_attr) + | |
1718 | sizeof(struct ib_flow_spec_eth) || | |
1719 | ib_attr->num_of_specs < 1) | |
1720 | return false; | |
1721 | ||
1722 | eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1); | |
1723 | if (eth_spec->type != IB_FLOW_SPEC_ETH || | |
1724 | eth_spec->size != sizeof(*eth_spec)) | |
1725 | return false; | |
1726 | ||
1727 | return is_multicast_ether_addr(eth_spec->mask.dst_mac) && | |
1728 | is_multicast_ether_addr(eth_spec->val.dst_mac); | |
1729 | } | |
1730 | ||
dd063d0e | 1731 | static bool is_valid_attr(const struct ib_flow_attr *flow_attr) |
038d2ef8 MG |
1732 | { |
1733 | union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); | |
1734 | bool has_ipv4_spec = false; | |
1735 | bool eth_type_ipv4 = true; | |
1736 | unsigned int spec_index; | |
1737 | ||
1738 | /* Validate that ethertype is correct */ | |
1739 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
1740 | if (ib_spec->type == IB_FLOW_SPEC_ETH && | |
1741 | ib_spec->eth.mask.ether_type) { | |
1742 | if (!((ib_spec->eth.mask.ether_type == htons(0xffff)) && | |
1743 | ib_spec->eth.val.ether_type == htons(ETH_P_IP))) | |
1744 | eth_type_ipv4 = false; | |
1745 | } else if (ib_spec->type == IB_FLOW_SPEC_IPV4) { | |
1746 | has_ipv4_spec = true; | |
1747 | } | |
1748 | ib_spec = (void *)ib_spec + ib_spec->size; | |
1749 | } | |
1750 | return !has_ipv4_spec || eth_type_ipv4; | |
1751 | } | |
1752 | ||
1753 | static void put_flow_table(struct mlx5_ib_dev *dev, | |
1754 | struct mlx5_ib_flow_prio *prio, bool ft_added) | |
1755 | { | |
1756 | prio->refcount -= !!ft_added; | |
1757 | if (!prio->refcount) { | |
1758 | mlx5_destroy_flow_table(prio->flow_table); | |
1759 | prio->flow_table = NULL; | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) | |
1764 | { | |
1765 | struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); | |
1766 | struct mlx5_ib_flow_handler *handler = container_of(flow_id, | |
1767 | struct mlx5_ib_flow_handler, | |
1768 | ibflow); | |
1769 | struct mlx5_ib_flow_handler *iter, *tmp; | |
1770 | ||
1771 | mutex_lock(&dev->flow_db.lock); | |
1772 | ||
1773 | list_for_each_entry_safe(iter, tmp, &handler->list, list) { | |
74491de9 | 1774 | mlx5_del_flow_rules(iter->rule); |
cc0e5d42 | 1775 | put_flow_table(dev, iter->prio, true); |
038d2ef8 MG |
1776 | list_del(&iter->list); |
1777 | kfree(iter); | |
1778 | } | |
1779 | ||
74491de9 | 1780 | mlx5_del_flow_rules(handler->rule); |
5497adc6 | 1781 | put_flow_table(dev, handler->prio, true); |
038d2ef8 MG |
1782 | mutex_unlock(&dev->flow_db.lock); |
1783 | ||
1784 | kfree(handler); | |
1785 | ||
1786 | return 0; | |
1787 | } | |
1788 | ||
35d19011 MG |
1789 | static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) |
1790 | { | |
1791 | priority *= 2; | |
1792 | if (!dont_trap) | |
1793 | priority++; | |
1794 | return priority; | |
1795 | } | |
1796 | ||
cc0e5d42 MG |
1797 | enum flow_table_type { |
1798 | MLX5_IB_FT_RX, | |
1799 | MLX5_IB_FT_TX | |
1800 | }; | |
1801 | ||
038d2ef8 MG |
1802 | #define MLX5_FS_MAX_TYPES 10 |
1803 | #define MLX5_FS_MAX_ENTRIES 32000UL | |
1804 | static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, | |
cc0e5d42 MG |
1805 | struct ib_flow_attr *flow_attr, |
1806 | enum flow_table_type ft_type) | |
038d2ef8 | 1807 | { |
35d19011 | 1808 | bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; |
038d2ef8 MG |
1809 | struct mlx5_flow_namespace *ns = NULL; |
1810 | struct mlx5_ib_flow_prio *prio; | |
1811 | struct mlx5_flow_table *ft; | |
1812 | int num_entries; | |
1813 | int num_groups; | |
1814 | int priority; | |
1815 | int err = 0; | |
1816 | ||
1817 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { | |
35d19011 MG |
1818 | if (flow_is_multicast_only(flow_attr) && |
1819 | !dont_trap) | |
038d2ef8 MG |
1820 | priority = MLX5_IB_FLOW_MCAST_PRIO; |
1821 | else | |
35d19011 MG |
1822 | priority = ib_prio_to_core_prio(flow_attr->priority, |
1823 | dont_trap); | |
038d2ef8 MG |
1824 | ns = mlx5_get_flow_namespace(dev->mdev, |
1825 | MLX5_FLOW_NAMESPACE_BYPASS); | |
1826 | num_entries = MLX5_FS_MAX_ENTRIES; | |
1827 | num_groups = MLX5_FS_MAX_TYPES; | |
1828 | prio = &dev->flow_db.prios[priority]; | |
1829 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || | |
1830 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
1831 | ns = mlx5_get_flow_namespace(dev->mdev, | |
1832 | MLX5_FLOW_NAMESPACE_LEFTOVERS); | |
1833 | build_leftovers_ft_param(&priority, | |
1834 | &num_entries, | |
1835 | &num_groups); | |
1836 | prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; | |
cc0e5d42 MG |
1837 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
1838 | if (!MLX5_CAP_FLOWTABLE(dev->mdev, | |
1839 | allow_sniffer_and_nic_rx_shared_tir)) | |
1840 | return ERR_PTR(-ENOTSUPP); | |
1841 | ||
1842 | ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? | |
1843 | MLX5_FLOW_NAMESPACE_SNIFFER_RX : | |
1844 | MLX5_FLOW_NAMESPACE_SNIFFER_TX); | |
1845 | ||
1846 | prio = &dev->flow_db.sniffer[ft_type]; | |
1847 | priority = 0; | |
1848 | num_entries = 1; | |
1849 | num_groups = 1; | |
038d2ef8 MG |
1850 | } |
1851 | ||
1852 | if (!ns) | |
1853 | return ERR_PTR(-ENOTSUPP); | |
1854 | ||
1855 | ft = prio->flow_table; | |
1856 | if (!ft) { | |
1857 | ft = mlx5_create_auto_grouped_flow_table(ns, priority, | |
1858 | num_entries, | |
d63cd286 MG |
1859 | num_groups, |
1860 | 0); | |
038d2ef8 MG |
1861 | |
1862 | if (!IS_ERR(ft)) { | |
1863 | prio->refcount = 0; | |
1864 | prio->flow_table = ft; | |
1865 | } else { | |
1866 | err = PTR_ERR(ft); | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | return err ? ERR_PTR(err) : prio; | |
1871 | } | |
1872 | ||
1873 | static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, | |
1874 | struct mlx5_ib_flow_prio *ft_prio, | |
dd063d0e | 1875 | const struct ib_flow_attr *flow_attr, |
038d2ef8 MG |
1876 | struct mlx5_flow_destination *dst) |
1877 | { | |
1878 | struct mlx5_flow_table *ft = ft_prio->flow_table; | |
1879 | struct mlx5_ib_flow_handler *handler; | |
c5bb1730 | 1880 | struct mlx5_flow_spec *spec; |
dd063d0e | 1881 | const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); |
038d2ef8 | 1882 | unsigned int spec_index; |
35d19011 | 1883 | u32 action; |
038d2ef8 MG |
1884 | int err = 0; |
1885 | ||
1886 | if (!is_valid_attr(flow_attr)) | |
1887 | return ERR_PTR(-EINVAL); | |
1888 | ||
c5bb1730 | 1889 | spec = mlx5_vzalloc(sizeof(*spec)); |
038d2ef8 | 1890 | handler = kzalloc(sizeof(*handler), GFP_KERNEL); |
c5bb1730 | 1891 | if (!handler || !spec) { |
038d2ef8 MG |
1892 | err = -ENOMEM; |
1893 | goto free; | |
1894 | } | |
1895 | ||
1896 | INIT_LIST_HEAD(&handler->list); | |
1897 | ||
1898 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
c5bb1730 MG |
1899 | err = parse_flow_attr(spec->match_criteria, |
1900 | spec->match_value, ib_flow); | |
038d2ef8 MG |
1901 | if (err < 0) |
1902 | goto free; | |
1903 | ||
1904 | ib_flow += ((union ib_flow_spec *)ib_flow)->size; | |
1905 | } | |
1906 | ||
466fa6d2 | 1907 | spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); |
35d19011 MG |
1908 | action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : |
1909 | MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; | |
74491de9 | 1910 | handler->rule = mlx5_add_flow_rules(ft, spec, |
35d19011 | 1911 | action, |
038d2ef8 | 1912 | MLX5_FS_DEFAULT_FLOW_TAG, |
74491de9 | 1913 | dst, 1); |
038d2ef8 MG |
1914 | |
1915 | if (IS_ERR(handler->rule)) { | |
1916 | err = PTR_ERR(handler->rule); | |
1917 | goto free; | |
1918 | } | |
1919 | ||
d9d4980a | 1920 | ft_prio->refcount++; |
5497adc6 | 1921 | handler->prio = ft_prio; |
038d2ef8 MG |
1922 | |
1923 | ft_prio->flow_table = ft; | |
1924 | free: | |
1925 | if (err) | |
1926 | kfree(handler); | |
c5bb1730 | 1927 | kvfree(spec); |
038d2ef8 MG |
1928 | return err ? ERR_PTR(err) : handler; |
1929 | } | |
1930 | ||
35d19011 MG |
1931 | static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, |
1932 | struct mlx5_ib_flow_prio *ft_prio, | |
1933 | struct ib_flow_attr *flow_attr, | |
1934 | struct mlx5_flow_destination *dst) | |
1935 | { | |
1936 | struct mlx5_ib_flow_handler *handler_dst = NULL; | |
1937 | struct mlx5_ib_flow_handler *handler = NULL; | |
1938 | ||
1939 | handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); | |
1940 | if (!IS_ERR(handler)) { | |
1941 | handler_dst = create_flow_rule(dev, ft_prio, | |
1942 | flow_attr, dst); | |
1943 | if (IS_ERR(handler_dst)) { | |
74491de9 | 1944 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 1945 | ft_prio->refcount--; |
35d19011 MG |
1946 | kfree(handler); |
1947 | handler = handler_dst; | |
1948 | } else { | |
1949 | list_add(&handler_dst->list, &handler->list); | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | return handler; | |
1954 | } | |
038d2ef8 MG |
1955 | enum { |
1956 | LEFTOVERS_MC, | |
1957 | LEFTOVERS_UC, | |
1958 | }; | |
1959 | ||
1960 | static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, | |
1961 | struct mlx5_ib_flow_prio *ft_prio, | |
1962 | struct ib_flow_attr *flow_attr, | |
1963 | struct mlx5_flow_destination *dst) | |
1964 | { | |
1965 | struct mlx5_ib_flow_handler *handler_ucast = NULL; | |
1966 | struct mlx5_ib_flow_handler *handler = NULL; | |
1967 | ||
1968 | static struct { | |
1969 | struct ib_flow_attr flow_attr; | |
1970 | struct ib_flow_spec_eth eth_flow; | |
1971 | } leftovers_specs[] = { | |
1972 | [LEFTOVERS_MC] = { | |
1973 | .flow_attr = { | |
1974 | .num_of_specs = 1, | |
1975 | .size = sizeof(leftovers_specs[0]) | |
1976 | }, | |
1977 | .eth_flow = { | |
1978 | .type = IB_FLOW_SPEC_ETH, | |
1979 | .size = sizeof(struct ib_flow_spec_eth), | |
1980 | .mask = {.dst_mac = {0x1} }, | |
1981 | .val = {.dst_mac = {0x1} } | |
1982 | } | |
1983 | }, | |
1984 | [LEFTOVERS_UC] = { | |
1985 | .flow_attr = { | |
1986 | .num_of_specs = 1, | |
1987 | .size = sizeof(leftovers_specs[0]) | |
1988 | }, | |
1989 | .eth_flow = { | |
1990 | .type = IB_FLOW_SPEC_ETH, | |
1991 | .size = sizeof(struct ib_flow_spec_eth), | |
1992 | .mask = {.dst_mac = {0x1} }, | |
1993 | .val = {.dst_mac = {} } | |
1994 | } | |
1995 | } | |
1996 | }; | |
1997 | ||
1998 | handler = create_flow_rule(dev, ft_prio, | |
1999 | &leftovers_specs[LEFTOVERS_MC].flow_attr, | |
2000 | dst); | |
2001 | if (!IS_ERR(handler) && | |
2002 | flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { | |
2003 | handler_ucast = create_flow_rule(dev, ft_prio, | |
2004 | &leftovers_specs[LEFTOVERS_UC].flow_attr, | |
2005 | dst); | |
2006 | if (IS_ERR(handler_ucast)) { | |
74491de9 | 2007 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 2008 | ft_prio->refcount--; |
038d2ef8 MG |
2009 | kfree(handler); |
2010 | handler = handler_ucast; | |
2011 | } else { | |
2012 | list_add(&handler_ucast->list, &handler->list); | |
2013 | } | |
2014 | } | |
2015 | ||
2016 | return handler; | |
2017 | } | |
2018 | ||
cc0e5d42 MG |
2019 | static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, |
2020 | struct mlx5_ib_flow_prio *ft_rx, | |
2021 | struct mlx5_ib_flow_prio *ft_tx, | |
2022 | struct mlx5_flow_destination *dst) | |
2023 | { | |
2024 | struct mlx5_ib_flow_handler *handler_rx; | |
2025 | struct mlx5_ib_flow_handler *handler_tx; | |
2026 | int err; | |
2027 | static const struct ib_flow_attr flow_attr = { | |
2028 | .num_of_specs = 0, | |
2029 | .size = sizeof(flow_attr) | |
2030 | }; | |
2031 | ||
2032 | handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); | |
2033 | if (IS_ERR(handler_rx)) { | |
2034 | err = PTR_ERR(handler_rx); | |
2035 | goto err; | |
2036 | } | |
2037 | ||
2038 | handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); | |
2039 | if (IS_ERR(handler_tx)) { | |
2040 | err = PTR_ERR(handler_tx); | |
2041 | goto err_tx; | |
2042 | } | |
2043 | ||
2044 | list_add(&handler_tx->list, &handler_rx->list); | |
2045 | ||
2046 | return handler_rx; | |
2047 | ||
2048 | err_tx: | |
74491de9 | 2049 | mlx5_del_flow_rules(handler_rx->rule); |
cc0e5d42 MG |
2050 | ft_rx->refcount--; |
2051 | kfree(handler_rx); | |
2052 | err: | |
2053 | return ERR_PTR(err); | |
2054 | } | |
2055 | ||
038d2ef8 MG |
2056 | static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, |
2057 | struct ib_flow_attr *flow_attr, | |
2058 | int domain) | |
2059 | { | |
2060 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
d9f88e5a | 2061 | struct mlx5_ib_qp *mqp = to_mqp(qp); |
038d2ef8 MG |
2062 | struct mlx5_ib_flow_handler *handler = NULL; |
2063 | struct mlx5_flow_destination *dst = NULL; | |
cc0e5d42 | 2064 | struct mlx5_ib_flow_prio *ft_prio_tx = NULL; |
038d2ef8 MG |
2065 | struct mlx5_ib_flow_prio *ft_prio; |
2066 | int err; | |
2067 | ||
2068 | if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) | |
2069 | return ERR_PTR(-ENOSPC); | |
2070 | ||
2071 | if (domain != IB_FLOW_DOMAIN_USER || | |
2072 | flow_attr->port > MLX5_CAP_GEN(dev->mdev, num_ports) || | |
35d19011 | 2073 | (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) |
038d2ef8 MG |
2074 | return ERR_PTR(-EINVAL); |
2075 | ||
2076 | dst = kzalloc(sizeof(*dst), GFP_KERNEL); | |
2077 | if (!dst) | |
2078 | return ERR_PTR(-ENOMEM); | |
2079 | ||
2080 | mutex_lock(&dev->flow_db.lock); | |
2081 | ||
cc0e5d42 | 2082 | ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); |
038d2ef8 MG |
2083 | if (IS_ERR(ft_prio)) { |
2084 | err = PTR_ERR(ft_prio); | |
2085 | goto unlock; | |
2086 | } | |
cc0e5d42 MG |
2087 | if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2088 | ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); | |
2089 | if (IS_ERR(ft_prio_tx)) { | |
2090 | err = PTR_ERR(ft_prio_tx); | |
2091 | ft_prio_tx = NULL; | |
2092 | goto destroy_ft; | |
2093 | } | |
2094 | } | |
038d2ef8 MG |
2095 | |
2096 | dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; | |
d9f88e5a YH |
2097 | if (mqp->flags & MLX5_IB_QP_RSS) |
2098 | dst->tir_num = mqp->rss_qp.tirn; | |
2099 | else | |
2100 | dst->tir_num = mqp->raw_packet_qp.rq.tirn; | |
038d2ef8 MG |
2101 | |
2102 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { | |
35d19011 MG |
2103 | if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { |
2104 | handler = create_dont_trap_rule(dev, ft_prio, | |
2105 | flow_attr, dst); | |
2106 | } else { | |
2107 | handler = create_flow_rule(dev, ft_prio, flow_attr, | |
2108 | dst); | |
2109 | } | |
038d2ef8 MG |
2110 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
2111 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
2112 | handler = create_leftovers_rule(dev, ft_prio, flow_attr, | |
2113 | dst); | |
cc0e5d42 MG |
2114 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2115 | handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); | |
038d2ef8 MG |
2116 | } else { |
2117 | err = -EINVAL; | |
2118 | goto destroy_ft; | |
2119 | } | |
2120 | ||
2121 | if (IS_ERR(handler)) { | |
2122 | err = PTR_ERR(handler); | |
2123 | handler = NULL; | |
2124 | goto destroy_ft; | |
2125 | } | |
2126 | ||
038d2ef8 MG |
2127 | mutex_unlock(&dev->flow_db.lock); |
2128 | kfree(dst); | |
2129 | ||
2130 | return &handler->ibflow; | |
2131 | ||
2132 | destroy_ft: | |
2133 | put_flow_table(dev, ft_prio, false); | |
cc0e5d42 MG |
2134 | if (ft_prio_tx) |
2135 | put_flow_table(dev, ft_prio_tx, false); | |
038d2ef8 MG |
2136 | unlock: |
2137 | mutex_unlock(&dev->flow_db.lock); | |
2138 | kfree(dst); | |
2139 | kfree(handler); | |
2140 | return ERR_PTR(err); | |
2141 | } | |
2142 | ||
e126ba97 EC |
2143 | static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
2144 | { | |
2145 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2146 | int err; | |
2147 | ||
9603b61d | 2148 | err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
2149 | if (err) |
2150 | mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", | |
2151 | ibqp->qp_num, gid->raw); | |
2152 | ||
2153 | return err; | |
2154 | } | |
2155 | ||
2156 | static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
2157 | { | |
2158 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2159 | int err; | |
2160 | ||
9603b61d | 2161 | err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
2162 | if (err) |
2163 | mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", | |
2164 | ibqp->qp_num, gid->raw); | |
2165 | ||
2166 | return err; | |
2167 | } | |
2168 | ||
2169 | static int init_node_data(struct mlx5_ib_dev *dev) | |
2170 | { | |
1b5daf11 | 2171 | int err; |
e126ba97 | 2172 | |
1b5daf11 | 2173 | err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); |
e126ba97 | 2174 | if (err) |
1b5daf11 | 2175 | return err; |
e126ba97 | 2176 | |
1b5daf11 | 2177 | dev->mdev->rev_id = dev->mdev->pdev->revision; |
e126ba97 | 2178 | |
1b5daf11 | 2179 | return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); |
e126ba97 EC |
2180 | } |
2181 | ||
2182 | static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, | |
2183 | char *buf) | |
2184 | { | |
2185 | struct mlx5_ib_dev *dev = | |
2186 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2187 | ||
9603b61d | 2188 | return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages); |
e126ba97 EC |
2189 | } |
2190 | ||
2191 | static ssize_t show_reg_pages(struct device *device, | |
2192 | struct device_attribute *attr, char *buf) | |
2193 | { | |
2194 | struct mlx5_ib_dev *dev = | |
2195 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2196 | ||
6aec21f6 | 2197 | return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); |
e126ba97 EC |
2198 | } |
2199 | ||
2200 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, | |
2201 | char *buf) | |
2202 | { | |
2203 | struct mlx5_ib_dev *dev = | |
2204 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 2205 | return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); |
e126ba97 EC |
2206 | } |
2207 | ||
e126ba97 EC |
2208 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
2209 | char *buf) | |
2210 | { | |
2211 | struct mlx5_ib_dev *dev = | |
2212 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 2213 | return sprintf(buf, "%x\n", dev->mdev->rev_id); |
e126ba97 EC |
2214 | } |
2215 | ||
2216 | static ssize_t show_board(struct device *device, struct device_attribute *attr, | |
2217 | char *buf) | |
2218 | { | |
2219 | struct mlx5_ib_dev *dev = | |
2220 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2221 | return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, | |
9603b61d | 2222 | dev->mdev->board_id); |
e126ba97 EC |
2223 | } |
2224 | ||
2225 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
e126ba97 EC |
2226 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
2227 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
2228 | static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); | |
2229 | static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); | |
2230 | ||
2231 | static struct device_attribute *mlx5_class_attributes[] = { | |
2232 | &dev_attr_hw_rev, | |
e126ba97 EC |
2233 | &dev_attr_hca_type, |
2234 | &dev_attr_board_id, | |
2235 | &dev_attr_fw_pages, | |
2236 | &dev_attr_reg_pages, | |
2237 | }; | |
2238 | ||
7722f47e HE |
2239 | static void pkey_change_handler(struct work_struct *work) |
2240 | { | |
2241 | struct mlx5_ib_port_resources *ports = | |
2242 | container_of(work, struct mlx5_ib_port_resources, | |
2243 | pkey_change_work); | |
2244 | ||
2245 | mutex_lock(&ports->devr->mutex); | |
2246 | mlx5_ib_gsi_pkey_change(ports->gsi); | |
2247 | mutex_unlock(&ports->devr->mutex); | |
2248 | } | |
2249 | ||
89ea94a7 MG |
2250 | static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) |
2251 | { | |
2252 | struct mlx5_ib_qp *mqp; | |
2253 | struct mlx5_ib_cq *send_mcq, *recv_mcq; | |
2254 | struct mlx5_core_cq *mcq; | |
2255 | struct list_head cq_armed_list; | |
2256 | unsigned long flags_qp; | |
2257 | unsigned long flags_cq; | |
2258 | unsigned long flags; | |
2259 | ||
2260 | INIT_LIST_HEAD(&cq_armed_list); | |
2261 | ||
2262 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
2263 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
2264 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
2265 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
2266 | if (mqp->sq.tail != mqp->sq.head) { | |
2267 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
2268 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
2269 | if (send_mcq->mcq.comp && | |
2270 | mqp->ibqp.send_cq->comp_handler) { | |
2271 | if (!send_mcq->mcq.reset_notify_added) { | |
2272 | send_mcq->mcq.reset_notify_added = 1; | |
2273 | list_add_tail(&send_mcq->mcq.reset_notify, | |
2274 | &cq_armed_list); | |
2275 | } | |
2276 | } | |
2277 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
2278 | } | |
2279 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
2280 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
2281 | /* no handling is needed for SRQ */ | |
2282 | if (!mqp->ibqp.srq) { | |
2283 | if (mqp->rq.tail != mqp->rq.head) { | |
2284 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
2285 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
2286 | if (recv_mcq->mcq.comp && | |
2287 | mqp->ibqp.recv_cq->comp_handler) { | |
2288 | if (!recv_mcq->mcq.reset_notify_added) { | |
2289 | recv_mcq->mcq.reset_notify_added = 1; | |
2290 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
2291 | &cq_armed_list); | |
2292 | } | |
2293 | } | |
2294 | spin_unlock_irqrestore(&recv_mcq->lock, | |
2295 | flags_cq); | |
2296 | } | |
2297 | } | |
2298 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
2299 | } | |
2300 | /*At that point all inflight post send were put to be executed as of we | |
2301 | * lock/unlock above locks Now need to arm all involved CQs. | |
2302 | */ | |
2303 | list_for_each_entry(mcq, &cq_armed_list, reset_notify) { | |
2304 | mcq->comp(mcq); | |
2305 | } | |
2306 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
2307 | } | |
2308 | ||
9603b61d | 2309 | static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, |
4d2f9bbb | 2310 | enum mlx5_dev_event event, unsigned long param) |
e126ba97 | 2311 | { |
9603b61d | 2312 | struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; |
e126ba97 | 2313 | struct ib_event ibev; |
9603b61d | 2314 | |
e126ba97 EC |
2315 | u8 port = 0; |
2316 | ||
2317 | switch (event) { | |
2318 | case MLX5_DEV_EVENT_SYS_ERROR: | |
2319 | ibdev->ib_active = false; | |
2320 | ibev.event = IB_EVENT_DEVICE_FATAL; | |
89ea94a7 | 2321 | mlx5_ib_handle_internal_error(ibdev); |
e126ba97 EC |
2322 | break; |
2323 | ||
2324 | case MLX5_DEV_EVENT_PORT_UP: | |
e126ba97 | 2325 | case MLX5_DEV_EVENT_PORT_DOWN: |
2788cf3b | 2326 | case MLX5_DEV_EVENT_PORT_INITIALIZED: |
4d2f9bbb | 2327 | port = (u8)param; |
5ec8c83e AH |
2328 | |
2329 | /* In RoCE, port up/down events are handled in | |
2330 | * mlx5_netdev_event(). | |
2331 | */ | |
2332 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == | |
2333 | IB_LINK_LAYER_ETHERNET) | |
2334 | return; | |
2335 | ||
2336 | ibev.event = (event == MLX5_DEV_EVENT_PORT_UP) ? | |
2337 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
e126ba97 EC |
2338 | break; |
2339 | ||
e126ba97 EC |
2340 | case MLX5_DEV_EVENT_LID_CHANGE: |
2341 | ibev.event = IB_EVENT_LID_CHANGE; | |
4d2f9bbb | 2342 | port = (u8)param; |
e126ba97 EC |
2343 | break; |
2344 | ||
2345 | case MLX5_DEV_EVENT_PKEY_CHANGE: | |
2346 | ibev.event = IB_EVENT_PKEY_CHANGE; | |
4d2f9bbb | 2347 | port = (u8)param; |
7722f47e HE |
2348 | |
2349 | schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); | |
e126ba97 EC |
2350 | break; |
2351 | ||
2352 | case MLX5_DEV_EVENT_GUID_CHANGE: | |
2353 | ibev.event = IB_EVENT_GID_CHANGE; | |
4d2f9bbb | 2354 | port = (u8)param; |
e126ba97 EC |
2355 | break; |
2356 | ||
2357 | case MLX5_DEV_EVENT_CLIENT_REREG: | |
2358 | ibev.event = IB_EVENT_CLIENT_REREGISTER; | |
4d2f9bbb | 2359 | port = (u8)param; |
e126ba97 | 2360 | break; |
bdc37924 SM |
2361 | default: |
2362 | return; | |
e126ba97 EC |
2363 | } |
2364 | ||
2365 | ibev.device = &ibdev->ib_dev; | |
2366 | ibev.element.port_num = port; | |
2367 | ||
a0c84c32 EC |
2368 | if (port < 1 || port > ibdev->num_ports) { |
2369 | mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); | |
2370 | return; | |
2371 | } | |
2372 | ||
e126ba97 EC |
2373 | if (ibdev->ib_active) |
2374 | ib_dispatch_event(&ibev); | |
2375 | } | |
2376 | ||
2377 | static void get_ext_port_caps(struct mlx5_ib_dev *dev) | |
2378 | { | |
2379 | int port; | |
2380 | ||
938fe83c | 2381 | for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) |
e126ba97 EC |
2382 | mlx5_query_ext_port_caps(dev, port); |
2383 | } | |
2384 | ||
2385 | static int get_port_caps(struct mlx5_ib_dev *dev) | |
2386 | { | |
2387 | struct ib_device_attr *dprops = NULL; | |
2388 | struct ib_port_attr *pprops = NULL; | |
f614fc15 | 2389 | int err = -ENOMEM; |
e126ba97 | 2390 | int port; |
2528e33e | 2391 | struct ib_udata uhw = {.inlen = 0, .outlen = 0}; |
e126ba97 EC |
2392 | |
2393 | pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); | |
2394 | if (!pprops) | |
2395 | goto out; | |
2396 | ||
2397 | dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); | |
2398 | if (!dprops) | |
2399 | goto out; | |
2400 | ||
2528e33e | 2401 | err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); |
e126ba97 EC |
2402 | if (err) { |
2403 | mlx5_ib_warn(dev, "query_device failed %d\n", err); | |
2404 | goto out; | |
2405 | } | |
2406 | ||
938fe83c | 2407 | for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { |
e126ba97 EC |
2408 | err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); |
2409 | if (err) { | |
938fe83c SM |
2410 | mlx5_ib_warn(dev, "query_port %d failed %d\n", |
2411 | port, err); | |
e126ba97 EC |
2412 | break; |
2413 | } | |
938fe83c SM |
2414 | dev->mdev->port_caps[port - 1].pkey_table_len = |
2415 | dprops->max_pkeys; | |
2416 | dev->mdev->port_caps[port - 1].gid_table_len = | |
2417 | pprops->gid_tbl_len; | |
e126ba97 EC |
2418 | mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n", |
2419 | dprops->max_pkeys, pprops->gid_tbl_len); | |
2420 | } | |
2421 | ||
2422 | out: | |
2423 | kfree(pprops); | |
2424 | kfree(dprops); | |
2425 | ||
2426 | return err; | |
2427 | } | |
2428 | ||
2429 | static void destroy_umrc_res(struct mlx5_ib_dev *dev) | |
2430 | { | |
2431 | int err; | |
2432 | ||
2433 | err = mlx5_mr_cache_cleanup(dev); | |
2434 | if (err) | |
2435 | mlx5_ib_warn(dev, "mr cache cleanup failed\n"); | |
2436 | ||
2437 | mlx5_ib_destroy_qp(dev->umrc.qp); | |
add08d76 | 2438 | ib_free_cq(dev->umrc.cq); |
e126ba97 EC |
2439 | ib_dealloc_pd(dev->umrc.pd); |
2440 | } | |
2441 | ||
2442 | enum { | |
2443 | MAX_UMR_WR = 128, | |
2444 | }; | |
2445 | ||
2446 | static int create_umr_res(struct mlx5_ib_dev *dev) | |
2447 | { | |
2448 | struct ib_qp_init_attr *init_attr = NULL; | |
2449 | struct ib_qp_attr *attr = NULL; | |
2450 | struct ib_pd *pd; | |
2451 | struct ib_cq *cq; | |
2452 | struct ib_qp *qp; | |
e126ba97 EC |
2453 | int ret; |
2454 | ||
2455 | attr = kzalloc(sizeof(*attr), GFP_KERNEL); | |
2456 | init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); | |
2457 | if (!attr || !init_attr) { | |
2458 | ret = -ENOMEM; | |
2459 | goto error_0; | |
2460 | } | |
2461 | ||
ed082d36 | 2462 | pd = ib_alloc_pd(&dev->ib_dev, 0); |
e126ba97 EC |
2463 | if (IS_ERR(pd)) { |
2464 | mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); | |
2465 | ret = PTR_ERR(pd); | |
2466 | goto error_0; | |
2467 | } | |
2468 | ||
add08d76 | 2469 | cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); |
e126ba97 EC |
2470 | if (IS_ERR(cq)) { |
2471 | mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); | |
2472 | ret = PTR_ERR(cq); | |
2473 | goto error_2; | |
2474 | } | |
e126ba97 EC |
2475 | |
2476 | init_attr->send_cq = cq; | |
2477 | init_attr->recv_cq = cq; | |
2478 | init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; | |
2479 | init_attr->cap.max_send_wr = MAX_UMR_WR; | |
2480 | init_attr->cap.max_send_sge = 1; | |
2481 | init_attr->qp_type = MLX5_IB_QPT_REG_UMR; | |
2482 | init_attr->port_num = 1; | |
2483 | qp = mlx5_ib_create_qp(pd, init_attr, NULL); | |
2484 | if (IS_ERR(qp)) { | |
2485 | mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); | |
2486 | ret = PTR_ERR(qp); | |
2487 | goto error_3; | |
2488 | } | |
2489 | qp->device = &dev->ib_dev; | |
2490 | qp->real_qp = qp; | |
2491 | qp->uobject = NULL; | |
2492 | qp->qp_type = MLX5_IB_QPT_REG_UMR; | |
2493 | ||
2494 | attr->qp_state = IB_QPS_INIT; | |
2495 | attr->port_num = 1; | |
2496 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | | |
2497 | IB_QP_PORT, NULL); | |
2498 | if (ret) { | |
2499 | mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); | |
2500 | goto error_4; | |
2501 | } | |
2502 | ||
2503 | memset(attr, 0, sizeof(*attr)); | |
2504 | attr->qp_state = IB_QPS_RTR; | |
2505 | attr->path_mtu = IB_MTU_256; | |
2506 | ||
2507 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
2508 | if (ret) { | |
2509 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); | |
2510 | goto error_4; | |
2511 | } | |
2512 | ||
2513 | memset(attr, 0, sizeof(*attr)); | |
2514 | attr->qp_state = IB_QPS_RTS; | |
2515 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
2516 | if (ret) { | |
2517 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); | |
2518 | goto error_4; | |
2519 | } | |
2520 | ||
2521 | dev->umrc.qp = qp; | |
2522 | dev->umrc.cq = cq; | |
e126ba97 EC |
2523 | dev->umrc.pd = pd; |
2524 | ||
2525 | sema_init(&dev->umrc.sem, MAX_UMR_WR); | |
2526 | ret = mlx5_mr_cache_init(dev); | |
2527 | if (ret) { | |
2528 | mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); | |
2529 | goto error_4; | |
2530 | } | |
2531 | ||
2532 | kfree(attr); | |
2533 | kfree(init_attr); | |
2534 | ||
2535 | return 0; | |
2536 | ||
2537 | error_4: | |
2538 | mlx5_ib_destroy_qp(qp); | |
2539 | ||
2540 | error_3: | |
add08d76 | 2541 | ib_free_cq(cq); |
e126ba97 EC |
2542 | |
2543 | error_2: | |
e126ba97 EC |
2544 | ib_dealloc_pd(pd); |
2545 | ||
2546 | error_0: | |
2547 | kfree(attr); | |
2548 | kfree(init_attr); | |
2549 | return ret; | |
2550 | } | |
2551 | ||
2552 | static int create_dev_resources(struct mlx5_ib_resources *devr) | |
2553 | { | |
2554 | struct ib_srq_init_attr attr; | |
2555 | struct mlx5_ib_dev *dev; | |
bcf4c1ea | 2556 | struct ib_cq_init_attr cq_attr = {.cqe = 1}; |
7722f47e | 2557 | int port; |
e126ba97 EC |
2558 | int ret = 0; |
2559 | ||
2560 | dev = container_of(devr, struct mlx5_ib_dev, devr); | |
2561 | ||
d16e91da HE |
2562 | mutex_init(&devr->mutex); |
2563 | ||
e126ba97 EC |
2564 | devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); |
2565 | if (IS_ERR(devr->p0)) { | |
2566 | ret = PTR_ERR(devr->p0); | |
2567 | goto error0; | |
2568 | } | |
2569 | devr->p0->device = &dev->ib_dev; | |
2570 | devr->p0->uobject = NULL; | |
2571 | atomic_set(&devr->p0->usecnt, 0); | |
2572 | ||
bcf4c1ea | 2573 | devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); |
e126ba97 EC |
2574 | if (IS_ERR(devr->c0)) { |
2575 | ret = PTR_ERR(devr->c0); | |
2576 | goto error1; | |
2577 | } | |
2578 | devr->c0->device = &dev->ib_dev; | |
2579 | devr->c0->uobject = NULL; | |
2580 | devr->c0->comp_handler = NULL; | |
2581 | devr->c0->event_handler = NULL; | |
2582 | devr->c0->cq_context = NULL; | |
2583 | atomic_set(&devr->c0->usecnt, 0); | |
2584 | ||
2585 | devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
2586 | if (IS_ERR(devr->x0)) { | |
2587 | ret = PTR_ERR(devr->x0); | |
2588 | goto error2; | |
2589 | } | |
2590 | devr->x0->device = &dev->ib_dev; | |
2591 | devr->x0->inode = NULL; | |
2592 | atomic_set(&devr->x0->usecnt, 0); | |
2593 | mutex_init(&devr->x0->tgt_qp_mutex); | |
2594 | INIT_LIST_HEAD(&devr->x0->tgt_qp_list); | |
2595 | ||
2596 | devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
2597 | if (IS_ERR(devr->x1)) { | |
2598 | ret = PTR_ERR(devr->x1); | |
2599 | goto error3; | |
2600 | } | |
2601 | devr->x1->device = &dev->ib_dev; | |
2602 | devr->x1->inode = NULL; | |
2603 | atomic_set(&devr->x1->usecnt, 0); | |
2604 | mutex_init(&devr->x1->tgt_qp_mutex); | |
2605 | INIT_LIST_HEAD(&devr->x1->tgt_qp_list); | |
2606 | ||
2607 | memset(&attr, 0, sizeof(attr)); | |
2608 | attr.attr.max_sge = 1; | |
2609 | attr.attr.max_wr = 1; | |
2610 | attr.srq_type = IB_SRQT_XRC; | |
2611 | attr.ext.xrc.cq = devr->c0; | |
2612 | attr.ext.xrc.xrcd = devr->x0; | |
2613 | ||
2614 | devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
2615 | if (IS_ERR(devr->s0)) { | |
2616 | ret = PTR_ERR(devr->s0); | |
2617 | goto error4; | |
2618 | } | |
2619 | devr->s0->device = &dev->ib_dev; | |
2620 | devr->s0->pd = devr->p0; | |
2621 | devr->s0->uobject = NULL; | |
2622 | devr->s0->event_handler = NULL; | |
2623 | devr->s0->srq_context = NULL; | |
2624 | devr->s0->srq_type = IB_SRQT_XRC; | |
2625 | devr->s0->ext.xrc.xrcd = devr->x0; | |
2626 | devr->s0->ext.xrc.cq = devr->c0; | |
2627 | atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); | |
2628 | atomic_inc(&devr->s0->ext.xrc.cq->usecnt); | |
2629 | atomic_inc(&devr->p0->usecnt); | |
2630 | atomic_set(&devr->s0->usecnt, 0); | |
2631 | ||
4aa17b28 HA |
2632 | memset(&attr, 0, sizeof(attr)); |
2633 | attr.attr.max_sge = 1; | |
2634 | attr.attr.max_wr = 1; | |
2635 | attr.srq_type = IB_SRQT_BASIC; | |
2636 | devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
2637 | if (IS_ERR(devr->s1)) { | |
2638 | ret = PTR_ERR(devr->s1); | |
2639 | goto error5; | |
2640 | } | |
2641 | devr->s1->device = &dev->ib_dev; | |
2642 | devr->s1->pd = devr->p0; | |
2643 | devr->s1->uobject = NULL; | |
2644 | devr->s1->event_handler = NULL; | |
2645 | devr->s1->srq_context = NULL; | |
2646 | devr->s1->srq_type = IB_SRQT_BASIC; | |
2647 | devr->s1->ext.xrc.cq = devr->c0; | |
2648 | atomic_inc(&devr->p0->usecnt); | |
2649 | atomic_set(&devr->s0->usecnt, 0); | |
2650 | ||
7722f47e HE |
2651 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { |
2652 | INIT_WORK(&devr->ports[port].pkey_change_work, | |
2653 | pkey_change_handler); | |
2654 | devr->ports[port].devr = devr; | |
2655 | } | |
2656 | ||
e126ba97 EC |
2657 | return 0; |
2658 | ||
4aa17b28 HA |
2659 | error5: |
2660 | mlx5_ib_destroy_srq(devr->s0); | |
e126ba97 EC |
2661 | error4: |
2662 | mlx5_ib_dealloc_xrcd(devr->x1); | |
2663 | error3: | |
2664 | mlx5_ib_dealloc_xrcd(devr->x0); | |
2665 | error2: | |
2666 | mlx5_ib_destroy_cq(devr->c0); | |
2667 | error1: | |
2668 | mlx5_ib_dealloc_pd(devr->p0); | |
2669 | error0: | |
2670 | return ret; | |
2671 | } | |
2672 | ||
2673 | static void destroy_dev_resources(struct mlx5_ib_resources *devr) | |
2674 | { | |
7722f47e HE |
2675 | struct mlx5_ib_dev *dev = |
2676 | container_of(devr, struct mlx5_ib_dev, devr); | |
2677 | int port; | |
2678 | ||
4aa17b28 | 2679 | mlx5_ib_destroy_srq(devr->s1); |
e126ba97 EC |
2680 | mlx5_ib_destroy_srq(devr->s0); |
2681 | mlx5_ib_dealloc_xrcd(devr->x0); | |
2682 | mlx5_ib_dealloc_xrcd(devr->x1); | |
2683 | mlx5_ib_destroy_cq(devr->c0); | |
2684 | mlx5_ib_dealloc_pd(devr->p0); | |
7722f47e HE |
2685 | |
2686 | /* Make sure no change P_Key work items are still executing */ | |
2687 | for (port = 0; port < dev->num_ports; ++port) | |
2688 | cancel_work_sync(&devr->ports[port].pkey_change_work); | |
e126ba97 EC |
2689 | } |
2690 | ||
e53505a8 AS |
2691 | static u32 get_core_cap_flags(struct ib_device *ibdev) |
2692 | { | |
2693 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
2694 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); | |
2695 | u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); | |
2696 | u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); | |
2697 | u32 ret = 0; | |
2698 | ||
2699 | if (ll == IB_LINK_LAYER_INFINIBAND) | |
2700 | return RDMA_CORE_PORT_IBA_IB; | |
2701 | ||
2702 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) | |
2703 | return 0; | |
2704 | ||
2705 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) | |
2706 | return 0; | |
2707 | ||
2708 | if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) | |
2709 | ret |= RDMA_CORE_PORT_IBA_ROCE; | |
2710 | ||
2711 | if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) | |
2712 | ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
2713 | ||
2714 | return ret; | |
2715 | } | |
2716 | ||
7738613e IW |
2717 | static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, |
2718 | struct ib_port_immutable *immutable) | |
2719 | { | |
2720 | struct ib_port_attr attr; | |
2721 | int err; | |
2722 | ||
2723 | err = mlx5_ib_query_port(ibdev, port_num, &attr); | |
2724 | if (err) | |
2725 | return err; | |
2726 | ||
2727 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
2728 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
e53505a8 | 2729 | immutable->core_cap_flags = get_core_cap_flags(ibdev); |
337877a4 | 2730 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; |
7738613e IW |
2731 | |
2732 | return 0; | |
2733 | } | |
2734 | ||
c7342823 IW |
2735 | static void get_dev_fw_str(struct ib_device *ibdev, char *str, |
2736 | size_t str_len) | |
2737 | { | |
2738 | struct mlx5_ib_dev *dev = | |
2739 | container_of(ibdev, struct mlx5_ib_dev, ib_dev); | |
2740 | snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev), | |
2741 | fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); | |
2742 | } | |
2743 | ||
9ef9c640 AH |
2744 | static int mlx5_roce_lag_init(struct mlx5_ib_dev *dev) |
2745 | { | |
2746 | struct mlx5_core_dev *mdev = dev->mdev; | |
2747 | struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev, | |
2748 | MLX5_FLOW_NAMESPACE_LAG); | |
2749 | struct mlx5_flow_table *ft; | |
2750 | int err; | |
2751 | ||
2752 | if (!ns || !mlx5_lag_is_active(mdev)) | |
2753 | return 0; | |
2754 | ||
2755 | err = mlx5_cmd_create_vport_lag(mdev); | |
2756 | if (err) | |
2757 | return err; | |
2758 | ||
2759 | ft = mlx5_create_lag_demux_flow_table(ns, 0, 0); | |
2760 | if (IS_ERR(ft)) { | |
2761 | err = PTR_ERR(ft); | |
2762 | goto err_destroy_vport_lag; | |
2763 | } | |
2764 | ||
2765 | dev->flow_db.lag_demux_ft = ft; | |
2766 | return 0; | |
2767 | ||
2768 | err_destroy_vport_lag: | |
2769 | mlx5_cmd_destroy_vport_lag(mdev); | |
2770 | return err; | |
2771 | } | |
2772 | ||
2773 | static void mlx5_roce_lag_cleanup(struct mlx5_ib_dev *dev) | |
2774 | { | |
2775 | struct mlx5_core_dev *mdev = dev->mdev; | |
2776 | ||
2777 | if (dev->flow_db.lag_demux_ft) { | |
2778 | mlx5_destroy_flow_table(dev->flow_db.lag_demux_ft); | |
2779 | dev->flow_db.lag_demux_ft = NULL; | |
2780 | ||
2781 | mlx5_cmd_destroy_vport_lag(mdev); | |
2782 | } | |
2783 | } | |
2784 | ||
5ec8c83e AH |
2785 | static void mlx5_remove_roce_notifier(struct mlx5_ib_dev *dev) |
2786 | { | |
2787 | if (dev->roce.nb.notifier_call) { | |
2788 | unregister_netdevice_notifier(&dev->roce.nb); | |
2789 | dev->roce.nb.notifier_call = NULL; | |
2790 | } | |
2791 | } | |
2792 | ||
fc24fc5e AS |
2793 | static int mlx5_enable_roce(struct mlx5_ib_dev *dev) |
2794 | { | |
e53505a8 AS |
2795 | int err; |
2796 | ||
fc24fc5e | 2797 | dev->roce.nb.notifier_call = mlx5_netdev_event; |
e53505a8 | 2798 | err = register_netdevice_notifier(&dev->roce.nb); |
5ec8c83e AH |
2799 | if (err) { |
2800 | dev->roce.nb.notifier_call = NULL; | |
e53505a8 | 2801 | return err; |
5ec8c83e | 2802 | } |
e53505a8 AS |
2803 | |
2804 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
2805 | if (err) | |
2806 | goto err_unregister_netdevice_notifier; | |
2807 | ||
9ef9c640 AH |
2808 | err = mlx5_roce_lag_init(dev); |
2809 | if (err) | |
2810 | goto err_disable_roce; | |
2811 | ||
e53505a8 AS |
2812 | return 0; |
2813 | ||
9ef9c640 AH |
2814 | err_disable_roce: |
2815 | mlx5_nic_vport_disable_roce(dev->mdev); | |
2816 | ||
e53505a8 | 2817 | err_unregister_netdevice_notifier: |
5ec8c83e | 2818 | mlx5_remove_roce_notifier(dev); |
e53505a8 | 2819 | return err; |
fc24fc5e AS |
2820 | } |
2821 | ||
2822 | static void mlx5_disable_roce(struct mlx5_ib_dev *dev) | |
2823 | { | |
9ef9c640 | 2824 | mlx5_roce_lag_cleanup(dev); |
e53505a8 | 2825 | mlx5_nic_vport_disable_roce(dev->mdev); |
fc24fc5e AS |
2826 | } |
2827 | ||
0837e86a MB |
2828 | static void mlx5_ib_dealloc_q_counters(struct mlx5_ib_dev *dev) |
2829 | { | |
2830 | unsigned int i; | |
2831 | ||
2832 | for (i = 0; i < dev->num_ports; i++) | |
2833 | mlx5_core_dealloc_q_counter(dev->mdev, | |
2834 | dev->port[i].q_cnt_id); | |
2835 | } | |
2836 | ||
2837 | static int mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev) | |
2838 | { | |
2839 | int i; | |
2840 | int ret; | |
2841 | ||
2842 | for (i = 0; i < dev->num_ports; i++) { | |
2843 | ret = mlx5_core_alloc_q_counter(dev->mdev, | |
2844 | &dev->port[i].q_cnt_id); | |
2845 | if (ret) { | |
2846 | mlx5_ib_warn(dev, | |
2847 | "couldn't allocate queue counter for port %d, err %d\n", | |
2848 | i + 1, ret); | |
2849 | goto dealloc_counters; | |
2850 | } | |
2851 | } | |
2852 | ||
2853 | return 0; | |
2854 | ||
2855 | dealloc_counters: | |
2856 | while (--i >= 0) | |
2857 | mlx5_core_dealloc_q_counter(dev->mdev, | |
2858 | dev->port[i].q_cnt_id); | |
2859 | ||
2860 | return ret; | |
2861 | } | |
2862 | ||
61961500 | 2863 | static const char * const names[] = { |
0ad17a8f MB |
2864 | "rx_write_requests", |
2865 | "rx_read_requests", | |
2866 | "rx_atomic_requests", | |
2867 | "out_of_buffer", | |
2868 | "out_of_sequence", | |
2869 | "duplicate_request", | |
2870 | "rnr_nak_retry_err", | |
2871 | "packet_seq_err", | |
2872 | "implied_nak_seq_err", | |
2873 | "local_ack_timeout_err", | |
2874 | }; | |
2875 | ||
2876 | static const size_t stats_offsets[] = { | |
2877 | MLX5_BYTE_OFF(query_q_counter_out, rx_write_requests), | |
2878 | MLX5_BYTE_OFF(query_q_counter_out, rx_read_requests), | |
2879 | MLX5_BYTE_OFF(query_q_counter_out, rx_atomic_requests), | |
2880 | MLX5_BYTE_OFF(query_q_counter_out, out_of_buffer), | |
2881 | MLX5_BYTE_OFF(query_q_counter_out, out_of_sequence), | |
2882 | MLX5_BYTE_OFF(query_q_counter_out, duplicate_request), | |
2883 | MLX5_BYTE_OFF(query_q_counter_out, rnr_nak_retry_err), | |
2884 | MLX5_BYTE_OFF(query_q_counter_out, packet_seq_err), | |
2885 | MLX5_BYTE_OFF(query_q_counter_out, implied_nak_seq_err), | |
2886 | MLX5_BYTE_OFF(query_q_counter_out, local_ack_timeout_err), | |
2887 | }; | |
2888 | ||
2889 | static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, | |
2890 | u8 port_num) | |
2891 | { | |
2892 | BUILD_BUG_ON(ARRAY_SIZE(names) != ARRAY_SIZE(stats_offsets)); | |
2893 | ||
2894 | /* We support only per port stats */ | |
2895 | if (port_num == 0) | |
2896 | return NULL; | |
2897 | ||
2898 | return rdma_alloc_hw_stats_struct(names, ARRAY_SIZE(names), | |
2899 | RDMA_HW_STATS_DEFAULT_LIFESPAN); | |
2900 | } | |
2901 | ||
2902 | static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, | |
2903 | struct rdma_hw_stats *stats, | |
2904 | u8 port, int index) | |
2905 | { | |
2906 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
2907 | int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); | |
2908 | void *out; | |
2909 | __be32 val; | |
2910 | int ret; | |
2911 | int i; | |
2912 | ||
2913 | if (!port || !stats) | |
2914 | return -ENOSYS; | |
2915 | ||
2916 | out = mlx5_vzalloc(outlen); | |
2917 | if (!out) | |
2918 | return -ENOMEM; | |
2919 | ||
2920 | ret = mlx5_core_query_q_counter(dev->mdev, | |
2921 | dev->port[port - 1].q_cnt_id, 0, | |
2922 | out, outlen); | |
2923 | if (ret) | |
2924 | goto free; | |
2925 | ||
2926 | for (i = 0; i < ARRAY_SIZE(names); i++) { | |
2927 | val = *(__be32 *)(out + stats_offsets[i]); | |
2928 | stats->value[i] = (u64)be32_to_cpu(val); | |
2929 | } | |
2930 | free: | |
2931 | kvfree(out); | |
2932 | return ARRAY_SIZE(names); | |
2933 | } | |
2934 | ||
9603b61d | 2935 | static void *mlx5_ib_add(struct mlx5_core_dev *mdev) |
e126ba97 | 2936 | { |
e126ba97 | 2937 | struct mlx5_ib_dev *dev; |
ebd61f68 AS |
2938 | enum rdma_link_layer ll; |
2939 | int port_type_cap; | |
4babcf97 | 2940 | const char *name; |
e126ba97 EC |
2941 | int err; |
2942 | int i; | |
2943 | ||
ebd61f68 AS |
2944 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
2945 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
2946 | ||
e53505a8 | 2947 | if ((ll == IB_LINK_LAYER_ETHERNET) && !MLX5_CAP_GEN(mdev, roce)) |
647241ea MD |
2948 | return NULL; |
2949 | ||
e126ba97 EC |
2950 | printk_once(KERN_INFO "%s", mlx5_version); |
2951 | ||
2952 | dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); | |
2953 | if (!dev) | |
9603b61d | 2954 | return NULL; |
e126ba97 | 2955 | |
9603b61d | 2956 | dev->mdev = mdev; |
e126ba97 | 2957 | |
0837e86a MB |
2958 | dev->port = kcalloc(MLX5_CAP_GEN(mdev, num_ports), sizeof(*dev->port), |
2959 | GFP_KERNEL); | |
2960 | if (!dev->port) | |
2961 | goto err_dealloc; | |
2962 | ||
fc24fc5e | 2963 | rwlock_init(&dev->roce.netdev_lock); |
e126ba97 EC |
2964 | err = get_port_caps(dev); |
2965 | if (err) | |
0837e86a | 2966 | goto err_free_port; |
e126ba97 | 2967 | |
1b5daf11 MD |
2968 | if (mlx5_use_mad_ifc(dev)) |
2969 | get_ext_port_caps(dev); | |
e126ba97 | 2970 | |
e126ba97 EC |
2971 | MLX5_INIT_DOORBELL_LOCK(&dev->uar_lock); |
2972 | ||
4babcf97 AH |
2973 | if (!mlx5_lag_is_active(mdev)) |
2974 | name = "mlx5_%d"; | |
2975 | else | |
2976 | name = "mlx5_bond_%d"; | |
2977 | ||
2978 | strlcpy(dev->ib_dev.name, name, IB_DEVICE_NAME_MAX); | |
e126ba97 EC |
2979 | dev->ib_dev.owner = THIS_MODULE; |
2980 | dev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
c6790aa9 | 2981 | dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; |
938fe83c | 2982 | dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); |
e126ba97 | 2983 | dev->ib_dev.phys_port_cnt = dev->num_ports; |
233d05d2 SM |
2984 | dev->ib_dev.num_comp_vectors = |
2985 | dev->mdev->priv.eq_table.num_comp_vectors; | |
e126ba97 EC |
2986 | dev->ib_dev.dma_device = &mdev->pdev->dev; |
2987 | ||
2988 | dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; | |
2989 | dev->ib_dev.uverbs_cmd_mask = | |
2990 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
2991 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
2992 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
2993 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
2994 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
2995 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
56e11d62 | 2996 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
e126ba97 EC |
2997 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
2998 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
2999 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
3000 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | | |
3001 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
3002 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
3003 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
3004 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | | |
3005 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
3006 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
3007 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
3008 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
3009 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
3010 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | | |
3011 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | | |
3012 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | | |
3013 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
1707cb4a | 3014 | dev->ib_dev.uverbs_ex_cmd_mask = |
d4584ddf MB |
3015 | (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | |
3016 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | | |
3017 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP); | |
e126ba97 EC |
3018 | |
3019 | dev->ib_dev.query_device = mlx5_ib_query_device; | |
3020 | dev->ib_dev.query_port = mlx5_ib_query_port; | |
ebd61f68 | 3021 | dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; |
fc24fc5e AS |
3022 | if (ll == IB_LINK_LAYER_ETHERNET) |
3023 | dev->ib_dev.get_netdev = mlx5_ib_get_netdev; | |
e126ba97 | 3024 | dev->ib_dev.query_gid = mlx5_ib_query_gid; |
3cca2606 AS |
3025 | dev->ib_dev.add_gid = mlx5_ib_add_gid; |
3026 | dev->ib_dev.del_gid = mlx5_ib_del_gid; | |
e126ba97 EC |
3027 | dev->ib_dev.query_pkey = mlx5_ib_query_pkey; |
3028 | dev->ib_dev.modify_device = mlx5_ib_modify_device; | |
3029 | dev->ib_dev.modify_port = mlx5_ib_modify_port; | |
3030 | dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; | |
3031 | dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; | |
3032 | dev->ib_dev.mmap = mlx5_ib_mmap; | |
3033 | dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; | |
3034 | dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; | |
3035 | dev->ib_dev.create_ah = mlx5_ib_create_ah; | |
3036 | dev->ib_dev.query_ah = mlx5_ib_query_ah; | |
3037 | dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; | |
3038 | dev->ib_dev.create_srq = mlx5_ib_create_srq; | |
3039 | dev->ib_dev.modify_srq = mlx5_ib_modify_srq; | |
3040 | dev->ib_dev.query_srq = mlx5_ib_query_srq; | |
3041 | dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; | |
3042 | dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; | |
3043 | dev->ib_dev.create_qp = mlx5_ib_create_qp; | |
3044 | dev->ib_dev.modify_qp = mlx5_ib_modify_qp; | |
3045 | dev->ib_dev.query_qp = mlx5_ib_query_qp; | |
3046 | dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; | |
3047 | dev->ib_dev.post_send = mlx5_ib_post_send; | |
3048 | dev->ib_dev.post_recv = mlx5_ib_post_recv; | |
3049 | dev->ib_dev.create_cq = mlx5_ib_create_cq; | |
3050 | dev->ib_dev.modify_cq = mlx5_ib_modify_cq; | |
3051 | dev->ib_dev.resize_cq = mlx5_ib_resize_cq; | |
3052 | dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; | |
3053 | dev->ib_dev.poll_cq = mlx5_ib_poll_cq; | |
3054 | dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; | |
3055 | dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; | |
3056 | dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; | |
56e11d62 | 3057 | dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; |
e126ba97 EC |
3058 | dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; |
3059 | dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; | |
3060 | dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; | |
3061 | dev->ib_dev.process_mad = mlx5_ib_process_mad; | |
9bee178b | 3062 | dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; |
8a187ee5 | 3063 | dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; |
d5436ba0 | 3064 | dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; |
7738613e | 3065 | dev->ib_dev.get_port_immutable = mlx5_port_immutable; |
c7342823 | 3066 | dev->ib_dev.get_dev_fw_str = get_dev_fw_str; |
eff901d3 EC |
3067 | if (mlx5_core_is_pf(mdev)) { |
3068 | dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; | |
3069 | dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; | |
3070 | dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; | |
3071 | dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; | |
3072 | } | |
e126ba97 | 3073 | |
7c2344c3 MG |
3074 | dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext; |
3075 | ||
938fe83c | 3076 | mlx5_ib_internal_fill_odp_caps(dev); |
8cdd312c | 3077 | |
d2370e0a MB |
3078 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
3079 | dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; | |
3080 | dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; | |
3081 | dev->ib_dev.uverbs_cmd_mask |= | |
3082 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
3083 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
3084 | } | |
3085 | ||
0ad17a8f MB |
3086 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt) && |
3087 | MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { | |
3088 | dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; | |
3089 | dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; | |
3090 | } | |
3091 | ||
938fe83c | 3092 | if (MLX5_CAP_GEN(mdev, xrc)) { |
e126ba97 EC |
3093 | dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; |
3094 | dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; | |
3095 | dev->ib_dev.uverbs_cmd_mask |= | |
3096 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
3097 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
3098 | } | |
3099 | ||
048ccca8 | 3100 | if (mlx5_ib_port_link_layer(&dev->ib_dev, 1) == |
038d2ef8 MG |
3101 | IB_LINK_LAYER_ETHERNET) { |
3102 | dev->ib_dev.create_flow = mlx5_ib_create_flow; | |
3103 | dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; | |
79b20a6c YH |
3104 | dev->ib_dev.create_wq = mlx5_ib_create_wq; |
3105 | dev->ib_dev.modify_wq = mlx5_ib_modify_wq; | |
3106 | dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; | |
c5f90929 YH |
3107 | dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; |
3108 | dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; | |
038d2ef8 MG |
3109 | dev->ib_dev.uverbs_ex_cmd_mask |= |
3110 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
79b20a6c YH |
3111 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | |
3112 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | | |
3113 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | | |
c5f90929 YH |
3114 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | |
3115 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | | |
3116 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); | |
038d2ef8 | 3117 | } |
e126ba97 EC |
3118 | err = init_node_data(dev); |
3119 | if (err) | |
233d05d2 | 3120 | goto err_dealloc; |
e126ba97 | 3121 | |
038d2ef8 | 3122 | mutex_init(&dev->flow_db.lock); |
e126ba97 | 3123 | mutex_init(&dev->cap_mask_mutex); |
89ea94a7 MG |
3124 | INIT_LIST_HEAD(&dev->qp_list); |
3125 | spin_lock_init(&dev->reset_flow_resource_lock); | |
e126ba97 | 3126 | |
fc24fc5e AS |
3127 | if (ll == IB_LINK_LAYER_ETHERNET) { |
3128 | err = mlx5_enable_roce(dev); | |
3129 | if (err) | |
3130 | goto err_dealloc; | |
3131 | } | |
3132 | ||
e126ba97 EC |
3133 | err = create_dev_resources(&dev->devr); |
3134 | if (err) | |
fc24fc5e | 3135 | goto err_disable_roce; |
e126ba97 | 3136 | |
6aec21f6 | 3137 | err = mlx5_ib_odp_init_one(dev); |
281d1a92 | 3138 | if (err) |
e126ba97 EC |
3139 | goto err_rsrc; |
3140 | ||
0837e86a | 3141 | err = mlx5_ib_alloc_q_counters(dev); |
6aec21f6 HE |
3142 | if (err) |
3143 | goto err_odp; | |
3144 | ||
0837e86a MB |
3145 | err = ib_register_device(&dev->ib_dev, NULL); |
3146 | if (err) | |
3147 | goto err_q_cnt; | |
3148 | ||
e126ba97 EC |
3149 | err = create_umr_res(dev); |
3150 | if (err) | |
3151 | goto err_dev; | |
3152 | ||
3153 | for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { | |
281d1a92 WY |
3154 | err = device_create_file(&dev->ib_dev.dev, |
3155 | mlx5_class_attributes[i]); | |
3156 | if (err) | |
e126ba97 EC |
3157 | goto err_umrc; |
3158 | } | |
3159 | ||
3160 | dev->ib_active = true; | |
3161 | ||
9603b61d | 3162 | return dev; |
e126ba97 EC |
3163 | |
3164 | err_umrc: | |
3165 | destroy_umrc_res(dev); | |
3166 | ||
3167 | err_dev: | |
3168 | ib_unregister_device(&dev->ib_dev); | |
3169 | ||
0837e86a MB |
3170 | err_q_cnt: |
3171 | mlx5_ib_dealloc_q_counters(dev); | |
3172 | ||
6aec21f6 HE |
3173 | err_odp: |
3174 | mlx5_ib_odp_remove_one(dev); | |
3175 | ||
e126ba97 EC |
3176 | err_rsrc: |
3177 | destroy_dev_resources(&dev->devr); | |
3178 | ||
fc24fc5e | 3179 | err_disable_roce: |
5ec8c83e | 3180 | if (ll == IB_LINK_LAYER_ETHERNET) { |
fc24fc5e | 3181 | mlx5_disable_roce(dev); |
5ec8c83e AH |
3182 | mlx5_remove_roce_notifier(dev); |
3183 | } | |
fc24fc5e | 3184 | |
0837e86a MB |
3185 | err_free_port: |
3186 | kfree(dev->port); | |
3187 | ||
9603b61d | 3188 | err_dealloc: |
e126ba97 EC |
3189 | ib_dealloc_device((struct ib_device *)dev); |
3190 | ||
9603b61d | 3191 | return NULL; |
e126ba97 EC |
3192 | } |
3193 | ||
9603b61d | 3194 | static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) |
e126ba97 | 3195 | { |
9603b61d | 3196 | struct mlx5_ib_dev *dev = context; |
fc24fc5e | 3197 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, 1); |
6aec21f6 | 3198 | |
5ec8c83e | 3199 | mlx5_remove_roce_notifier(dev); |
e126ba97 | 3200 | ib_unregister_device(&dev->ib_dev); |
0837e86a | 3201 | mlx5_ib_dealloc_q_counters(dev); |
eefd56e5 | 3202 | destroy_umrc_res(dev); |
6aec21f6 | 3203 | mlx5_ib_odp_remove_one(dev); |
e126ba97 | 3204 | destroy_dev_resources(&dev->devr); |
fc24fc5e AS |
3205 | if (ll == IB_LINK_LAYER_ETHERNET) |
3206 | mlx5_disable_roce(dev); | |
0837e86a | 3207 | kfree(dev->port); |
e126ba97 EC |
3208 | ib_dealloc_device(&dev->ib_dev); |
3209 | } | |
3210 | ||
9603b61d JM |
3211 | static struct mlx5_interface mlx5_ib_interface = { |
3212 | .add = mlx5_ib_add, | |
3213 | .remove = mlx5_ib_remove, | |
3214 | .event = mlx5_ib_event, | |
64613d94 | 3215 | .protocol = MLX5_INTERFACE_PROTOCOL_IB, |
e126ba97 EC |
3216 | }; |
3217 | ||
3218 | static int __init mlx5_ib_init(void) | |
3219 | { | |
6aec21f6 HE |
3220 | int err; |
3221 | ||
9603b61d JM |
3222 | if (deprecated_prof_sel != 2) |
3223 | pr_warn("prof_sel is deprecated for mlx5_ib, set it for mlx5_core\n"); | |
3224 | ||
6aec21f6 HE |
3225 | err = mlx5_ib_odp_init(); |
3226 | if (err) | |
3227 | return err; | |
3228 | ||
3229 | err = mlx5_register_interface(&mlx5_ib_interface); | |
3230 | if (err) | |
3231 | goto clean_odp; | |
3232 | ||
3233 | return err; | |
3234 | ||
3235 | clean_odp: | |
3236 | mlx5_ib_odp_cleanup(); | |
3237 | return err; | |
e126ba97 EC |
3238 | } |
3239 | ||
3240 | static void __exit mlx5_ib_cleanup(void) | |
3241 | { | |
9603b61d | 3242 | mlx5_unregister_interface(&mlx5_ib_interface); |
6aec21f6 | 3243 | mlx5_ib_odp_cleanup(); |
e126ba97 EC |
3244 | } |
3245 | ||
3246 | module_init(mlx5_ib_init); | |
3247 | module_exit(mlx5_ib_cleanup); |