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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> |
6e84f315 | 44 | #include <linux/sched/mm.h> |
0881e7bd | 45 | #include <linux/sched/task.h> |
7c2344c3 | 46 | #include <linux/delay.h> |
e126ba97 | 47 | #include <rdma/ib_user_verbs.h> |
3f89a643 | 48 | #include <rdma/ib_addr.h> |
2811ba51 | 49 | #include <rdma/ib_cache.h> |
ada68c31 | 50 | #include <linux/mlx5/port.h> |
1b5daf11 | 51 | #include <linux/mlx5/vport.h> |
7c2344c3 | 52 | #include <linux/list.h> |
e126ba97 EC |
53 | #include <rdma/ib_smi.h> |
54 | #include <rdma/ib_umem.h> | |
038d2ef8 MG |
55 | #include <linux/in.h> |
56 | #include <linux/etherdevice.h> | |
57 | #include <linux/mlx5/fs.h> | |
78984898 | 58 | #include <linux/mlx5/vport.h> |
e126ba97 EC |
59 | #include "mlx5_ib.h" |
60 | ||
61 | #define DRIVER_NAME "mlx5_ib" | |
169a1d85 AV |
62 | #define DRIVER_VERSION "2.2-1" |
63 | #define DRIVER_RELDATE "Feb 2014" | |
e126ba97 EC |
64 | |
65 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); | |
66 | MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); | |
67 | MODULE_LICENSE("Dual BSD/GPL"); | |
68 | MODULE_VERSION(DRIVER_VERSION); | |
69 | ||
e126ba97 EC |
70 | static char mlx5_version[] = |
71 | DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v" | |
72 | DRIVER_VERSION " (" DRIVER_RELDATE ")\n"; | |
73 | ||
da7525d2 EBE |
74 | enum { |
75 | MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, | |
76 | }; | |
77 | ||
1b5daf11 | 78 | static enum rdma_link_layer |
ebd61f68 | 79 | mlx5_port_type_cap_to_rdma_ll(int port_type_cap) |
1b5daf11 | 80 | { |
ebd61f68 | 81 | switch (port_type_cap) { |
1b5daf11 MD |
82 | case MLX5_CAP_PORT_TYPE_IB: |
83 | return IB_LINK_LAYER_INFINIBAND; | |
84 | case MLX5_CAP_PORT_TYPE_ETH: | |
85 | return IB_LINK_LAYER_ETHERNET; | |
86 | default: | |
87 | return IB_LINK_LAYER_UNSPECIFIED; | |
88 | } | |
89 | } | |
90 | ||
ebd61f68 AS |
91 | static enum rdma_link_layer |
92 | mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
93 | { | |
94 | struct mlx5_ib_dev *dev = to_mdev(device); | |
95 | int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); | |
96 | ||
97 | return mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
98 | } | |
99 | ||
fc24fc5e AS |
100 | static int mlx5_netdev_event(struct notifier_block *this, |
101 | unsigned long event, void *ptr) | |
102 | { | |
103 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); | |
104 | struct mlx5_ib_dev *ibdev = container_of(this, struct mlx5_ib_dev, | |
105 | roce.nb); | |
106 | ||
5ec8c83e AH |
107 | switch (event) { |
108 | case NETDEV_REGISTER: | |
109 | case NETDEV_UNREGISTER: | |
110 | write_lock(&ibdev->roce.netdev_lock); | |
111 | if (ndev->dev.parent == &ibdev->mdev->pdev->dev) | |
112 | ibdev->roce.netdev = (event == NETDEV_UNREGISTER) ? | |
113 | NULL : ndev; | |
114 | write_unlock(&ibdev->roce.netdev_lock); | |
115 | break; | |
fc24fc5e | 116 | |
5ec8c83e | 117 | case NETDEV_UP: |
88621dfe AH |
118 | case NETDEV_DOWN: { |
119 | struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); | |
120 | struct net_device *upper = NULL; | |
121 | ||
122 | if (lag_ndev) { | |
123 | upper = netdev_master_upper_dev_get(lag_ndev); | |
124 | dev_put(lag_ndev); | |
125 | } | |
126 | ||
127 | if ((upper == ndev || (!upper && ndev == ibdev->roce.netdev)) | |
128 | && ibdev->ib_active) { | |
626bc02d | 129 | struct ib_event ibev = { }; |
5ec8c83e AH |
130 | |
131 | ibev.device = &ibdev->ib_dev; | |
132 | ibev.event = (event == NETDEV_UP) ? | |
133 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
134 | ibev.element.port_num = 1; | |
135 | ib_dispatch_event(&ibev); | |
136 | } | |
137 | break; | |
88621dfe | 138 | } |
fc24fc5e | 139 | |
5ec8c83e AH |
140 | default: |
141 | break; | |
142 | } | |
fc24fc5e AS |
143 | |
144 | return NOTIFY_DONE; | |
145 | } | |
146 | ||
147 | static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, | |
148 | u8 port_num) | |
149 | { | |
150 | struct mlx5_ib_dev *ibdev = to_mdev(device); | |
151 | struct net_device *ndev; | |
152 | ||
88621dfe AH |
153 | ndev = mlx5_lag_get_roce_netdev(ibdev->mdev); |
154 | if (ndev) | |
155 | return ndev; | |
156 | ||
fc24fc5e AS |
157 | /* Ensure ndev does not disappear before we invoke dev_hold() |
158 | */ | |
159 | read_lock(&ibdev->roce.netdev_lock); | |
160 | ndev = ibdev->roce.netdev; | |
161 | if (ndev) | |
162 | dev_hold(ndev); | |
163 | read_unlock(&ibdev->roce.netdev_lock); | |
164 | ||
165 | return ndev; | |
166 | } | |
167 | ||
3f89a643 AS |
168 | static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, |
169 | struct ib_port_attr *props) | |
170 | { | |
171 | struct mlx5_ib_dev *dev = to_mdev(device); | |
88621dfe | 172 | struct net_device *ndev, *upper; |
3f89a643 | 173 | enum ib_mtu ndev_ib_mtu; |
c876a1b7 | 174 | u16 qkey_viol_cntr; |
3f89a643 | 175 | |
c4550c63 | 176 | /* props being zeroed by the caller, avoid zeroing it here */ |
3f89a643 AS |
177 | |
178 | props->port_cap_flags |= IB_PORT_CM_SUP; | |
179 | props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; | |
180 | ||
181 | props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, | |
182 | roce_address_table_size); | |
183 | props->max_mtu = IB_MTU_4096; | |
184 | props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
185 | props->pkey_tbl_len = 1; | |
186 | props->state = IB_PORT_DOWN; | |
187 | props->phys_state = 3; | |
188 | ||
c876a1b7 LR |
189 | mlx5_query_nic_vport_qkey_viol_cntr(dev->mdev, &qkey_viol_cntr); |
190 | props->qkey_viol_cntr = qkey_viol_cntr; | |
3f89a643 AS |
191 | |
192 | ndev = mlx5_ib_get_netdev(device, port_num); | |
193 | if (!ndev) | |
194 | return 0; | |
195 | ||
88621dfe AH |
196 | if (mlx5_lag_is_active(dev->mdev)) { |
197 | rcu_read_lock(); | |
198 | upper = netdev_master_upper_dev_get_rcu(ndev); | |
199 | if (upper) { | |
200 | dev_put(ndev); | |
201 | ndev = upper; | |
202 | dev_hold(ndev); | |
203 | } | |
204 | rcu_read_unlock(); | |
205 | } | |
206 | ||
3f89a643 AS |
207 | if (netif_running(ndev) && netif_carrier_ok(ndev)) { |
208 | props->state = IB_PORT_ACTIVE; | |
209 | props->phys_state = 5; | |
210 | } | |
211 | ||
212 | ndev_ib_mtu = iboe_get_mtu(ndev->mtu); | |
213 | ||
214 | dev_put(ndev); | |
215 | ||
216 | props->active_mtu = min(props->max_mtu, ndev_ib_mtu); | |
217 | ||
218 | props->active_width = IB_WIDTH_4X; /* TODO */ | |
219 | props->active_speed = IB_SPEED_QDR; /* TODO */ | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
3cca2606 AS |
224 | static void ib_gid_to_mlx5_roce_addr(const union ib_gid *gid, |
225 | const struct ib_gid_attr *attr, | |
226 | void *mlx5_addr) | |
227 | { | |
228 | #define MLX5_SET_RA(p, f, v) MLX5_SET(roce_addr_layout, p, f, v) | |
229 | char *mlx5_addr_l3_addr = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, | |
230 | source_l3_address); | |
231 | void *mlx5_addr_mac = MLX5_ADDR_OF(roce_addr_layout, mlx5_addr, | |
232 | source_mac_47_32); | |
233 | ||
234 | if (!gid) | |
235 | return; | |
236 | ||
237 | ether_addr_copy(mlx5_addr_mac, attr->ndev->dev_addr); | |
238 | ||
239 | if (is_vlan_dev(attr->ndev)) { | |
240 | MLX5_SET_RA(mlx5_addr, vlan_valid, 1); | |
241 | MLX5_SET_RA(mlx5_addr, vlan_id, vlan_dev_vlan_id(attr->ndev)); | |
242 | } | |
243 | ||
244 | switch (attr->gid_type) { | |
245 | case IB_GID_TYPE_IB: | |
246 | MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_1); | |
247 | break; | |
248 | case IB_GID_TYPE_ROCE_UDP_ENCAP: | |
249 | MLX5_SET_RA(mlx5_addr, roce_version, MLX5_ROCE_VERSION_2); | |
250 | break; | |
251 | ||
252 | default: | |
253 | WARN_ON(true); | |
254 | } | |
255 | ||
256 | if (attr->gid_type != IB_GID_TYPE_IB) { | |
257 | if (ipv6_addr_v4mapped((void *)gid)) | |
258 | MLX5_SET_RA(mlx5_addr, roce_l3_type, | |
259 | MLX5_ROCE_L3_TYPE_IPV4); | |
260 | else | |
261 | MLX5_SET_RA(mlx5_addr, roce_l3_type, | |
262 | MLX5_ROCE_L3_TYPE_IPV6); | |
263 | } | |
264 | ||
265 | if ((attr->gid_type == IB_GID_TYPE_IB) || | |
266 | !ipv6_addr_v4mapped((void *)gid)) | |
267 | memcpy(mlx5_addr_l3_addr, gid, sizeof(*gid)); | |
268 | else | |
269 | memcpy(&mlx5_addr_l3_addr[12], &gid->raw[12], 4); | |
270 | } | |
271 | ||
272 | static int set_roce_addr(struct ib_device *device, u8 port_num, | |
273 | unsigned int index, | |
274 | const union ib_gid *gid, | |
275 | const struct ib_gid_attr *attr) | |
276 | { | |
c4f287c4 SM |
277 | struct mlx5_ib_dev *dev = to_mdev(device); |
278 | u32 in[MLX5_ST_SZ_DW(set_roce_address_in)] = {0}; | |
279 | u32 out[MLX5_ST_SZ_DW(set_roce_address_out)] = {0}; | |
3cca2606 AS |
280 | void *in_addr = MLX5_ADDR_OF(set_roce_address_in, in, roce_address); |
281 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(device, port_num); | |
282 | ||
283 | if (ll != IB_LINK_LAYER_ETHERNET) | |
284 | return -EINVAL; | |
285 | ||
3cca2606 AS |
286 | ib_gid_to_mlx5_roce_addr(gid, attr, in_addr); |
287 | ||
288 | MLX5_SET(set_roce_address_in, in, roce_address_index, index); | |
289 | MLX5_SET(set_roce_address_in, in, opcode, MLX5_CMD_OP_SET_ROCE_ADDRESS); | |
3cca2606 AS |
290 | return mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); |
291 | } | |
292 | ||
293 | static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, | |
294 | unsigned int index, const union ib_gid *gid, | |
295 | const struct ib_gid_attr *attr, | |
296 | __always_unused void **context) | |
297 | { | |
298 | return set_roce_addr(device, port_num, index, gid, attr); | |
299 | } | |
300 | ||
301 | static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, | |
302 | unsigned int index, __always_unused void **context) | |
303 | { | |
304 | return set_roce_addr(device, port_num, index, NULL, NULL); | |
305 | } | |
306 | ||
2811ba51 AS |
307 | __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, |
308 | int index) | |
309 | { | |
310 | struct ib_gid_attr attr; | |
311 | union ib_gid gid; | |
312 | ||
313 | if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) | |
314 | return 0; | |
315 | ||
316 | if (!attr.ndev) | |
317 | return 0; | |
318 | ||
319 | dev_put(attr.ndev); | |
320 | ||
321 | if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) | |
322 | return 0; | |
323 | ||
324 | return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); | |
325 | } | |
326 | ||
ed88451e MD |
327 | int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num, |
328 | int index, enum ib_gid_type *gid_type) | |
329 | { | |
330 | struct ib_gid_attr attr; | |
331 | union ib_gid gid; | |
332 | int ret; | |
333 | ||
334 | ret = ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr); | |
335 | if (ret) | |
336 | return ret; | |
337 | ||
338 | if (!attr.ndev) | |
339 | return -ENODEV; | |
340 | ||
341 | dev_put(attr.ndev); | |
342 | ||
343 | *gid_type = attr.gid_type; | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
1b5daf11 MD |
348 | static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) |
349 | { | |
7fae6655 NO |
350 | if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) |
351 | return !MLX5_CAP_GEN(dev->mdev, ib_virt); | |
352 | return 0; | |
1b5daf11 MD |
353 | } |
354 | ||
355 | enum { | |
356 | MLX5_VPORT_ACCESS_METHOD_MAD, | |
357 | MLX5_VPORT_ACCESS_METHOD_HCA, | |
358 | MLX5_VPORT_ACCESS_METHOD_NIC, | |
359 | }; | |
360 | ||
361 | static int mlx5_get_vport_access_method(struct ib_device *ibdev) | |
362 | { | |
363 | if (mlx5_use_mad_ifc(to_mdev(ibdev))) | |
364 | return MLX5_VPORT_ACCESS_METHOD_MAD; | |
365 | ||
ebd61f68 | 366 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
1b5daf11 MD |
367 | IB_LINK_LAYER_ETHERNET) |
368 | return MLX5_VPORT_ACCESS_METHOD_NIC; | |
369 | ||
370 | return MLX5_VPORT_ACCESS_METHOD_HCA; | |
371 | } | |
372 | ||
da7525d2 EBE |
373 | static void get_atomic_caps(struct mlx5_ib_dev *dev, |
374 | struct ib_device_attr *props) | |
375 | { | |
376 | u8 tmp; | |
377 | u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); | |
378 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); | |
379 | u8 atomic_req_8B_endianness_mode = | |
380 | MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianess_mode); | |
381 | ||
382 | /* Check if HW supports 8 bytes standard atomic operations and capable | |
383 | * of host endianness respond | |
384 | */ | |
385 | tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; | |
386 | if (((atomic_operations & tmp) == tmp) && | |
387 | (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && | |
388 | (atomic_req_8B_endianness_mode)) { | |
389 | props->atomic_cap = IB_ATOMIC_HCA; | |
390 | } else { | |
391 | props->atomic_cap = IB_ATOMIC_NONE; | |
392 | } | |
393 | } | |
394 | ||
1b5daf11 MD |
395 | static int mlx5_query_system_image_guid(struct ib_device *ibdev, |
396 | __be64 *sys_image_guid) | |
397 | { | |
398 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
399 | struct mlx5_core_dev *mdev = dev->mdev; | |
400 | u64 tmp; | |
401 | int err; | |
402 | ||
403 | switch (mlx5_get_vport_access_method(ibdev)) { | |
404 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
405 | return mlx5_query_mad_ifc_system_image_guid(ibdev, | |
406 | sys_image_guid); | |
407 | ||
408 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
409 | err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); | |
3f89a643 AS |
410 | break; |
411 | ||
412 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
413 | err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); | |
414 | break; | |
1b5daf11 MD |
415 | |
416 | default: | |
417 | return -EINVAL; | |
418 | } | |
3f89a643 AS |
419 | |
420 | if (!err) | |
421 | *sys_image_guid = cpu_to_be64(tmp); | |
422 | ||
423 | return err; | |
424 | ||
1b5daf11 MD |
425 | } |
426 | ||
427 | static int mlx5_query_max_pkeys(struct ib_device *ibdev, | |
428 | u16 *max_pkeys) | |
429 | { | |
430 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
431 | struct mlx5_core_dev *mdev = dev->mdev; | |
432 | ||
433 | switch (mlx5_get_vport_access_method(ibdev)) { | |
434 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
435 | return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); | |
436 | ||
437 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
438 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
439 | *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, | |
440 | pkey_table_size)); | |
441 | return 0; | |
442 | ||
443 | default: | |
444 | return -EINVAL; | |
445 | } | |
446 | } | |
447 | ||
448 | static int mlx5_query_vendor_id(struct ib_device *ibdev, | |
449 | u32 *vendor_id) | |
450 | { | |
451 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
452 | ||
453 | switch (mlx5_get_vport_access_method(ibdev)) { | |
454 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
455 | return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); | |
456 | ||
457 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
458 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
459 | return mlx5_core_query_vendor_id(dev->mdev, vendor_id); | |
460 | ||
461 | default: | |
462 | return -EINVAL; | |
463 | } | |
464 | } | |
465 | ||
466 | static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, | |
467 | __be64 *node_guid) | |
468 | { | |
469 | u64 tmp; | |
470 | int err; | |
471 | ||
472 | switch (mlx5_get_vport_access_method(&dev->ib_dev)) { | |
473 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
474 | return mlx5_query_mad_ifc_node_guid(dev, node_guid); | |
475 | ||
476 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
477 | err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); | |
3f89a643 AS |
478 | break; |
479 | ||
480 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
481 | err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); | |
482 | break; | |
1b5daf11 MD |
483 | |
484 | default: | |
485 | return -EINVAL; | |
486 | } | |
3f89a643 AS |
487 | |
488 | if (!err) | |
489 | *node_guid = cpu_to_be64(tmp); | |
490 | ||
491 | return err; | |
1b5daf11 MD |
492 | } |
493 | ||
494 | struct mlx5_reg_node_desc { | |
bd99fdea | 495 | u8 desc[IB_DEVICE_NODE_DESC_MAX]; |
1b5daf11 MD |
496 | }; |
497 | ||
498 | static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) | |
499 | { | |
500 | struct mlx5_reg_node_desc in; | |
501 | ||
502 | if (mlx5_use_mad_ifc(dev)) | |
503 | return mlx5_query_mad_ifc_node_desc(dev, node_desc); | |
504 | ||
505 | memset(&in, 0, sizeof(in)); | |
506 | ||
507 | return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, | |
508 | sizeof(struct mlx5_reg_node_desc), | |
509 | MLX5_REG_NODE_DESC, 0, 0); | |
510 | } | |
511 | ||
e126ba97 | 512 | static int mlx5_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
513 | struct ib_device_attr *props, |
514 | struct ib_udata *uhw) | |
e126ba97 EC |
515 | { |
516 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938fe83c | 517 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 518 | int err = -ENOMEM; |
288c01b7 | 519 | int max_sq_desc; |
e126ba97 EC |
520 | int max_rq_sg; |
521 | int max_sq_sg; | |
e0238a6a | 522 | u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); |
402ca536 BW |
523 | struct mlx5_ib_query_device_resp resp = {}; |
524 | size_t resp_len; | |
525 | u64 max_tso; | |
e126ba97 | 526 | |
402ca536 BW |
527 | resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); |
528 | if (uhw->outlen && uhw->outlen < resp_len) | |
529 | return -EINVAL; | |
530 | else | |
531 | resp.response_length = resp_len; | |
532 | ||
533 | if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) | |
2528e33e MB |
534 | return -EINVAL; |
535 | ||
1b5daf11 MD |
536 | memset(props, 0, sizeof(*props)); |
537 | err = mlx5_query_system_image_guid(ibdev, | |
538 | &props->sys_image_guid); | |
539 | if (err) | |
540 | return err; | |
e126ba97 | 541 | |
1b5daf11 | 542 | err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); |
e126ba97 | 543 | if (err) |
1b5daf11 | 544 | return err; |
e126ba97 | 545 | |
1b5daf11 MD |
546 | err = mlx5_query_vendor_id(ibdev, &props->vendor_id); |
547 | if (err) | |
548 | return err; | |
e126ba97 | 549 | |
9603b61d JM |
550 | props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | |
551 | (fw_rev_min(dev->mdev) << 16) | | |
552 | fw_rev_sub(dev->mdev); | |
e126ba97 EC |
553 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
554 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
555 | IB_DEVICE_SYS_IMAGE_GUID | | |
1a4c3a3d | 556 | IB_DEVICE_RC_RNR_NAK_GEN; |
938fe83c SM |
557 | |
558 | if (MLX5_CAP_GEN(mdev, pkv)) | |
e126ba97 | 559 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
938fe83c | 560 | if (MLX5_CAP_GEN(mdev, qkv)) |
e126ba97 | 561 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
938fe83c | 562 | if (MLX5_CAP_GEN(mdev, apm)) |
e126ba97 | 563 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
938fe83c | 564 | if (MLX5_CAP_GEN(mdev, xrc)) |
e126ba97 | 565 | props->device_cap_flags |= IB_DEVICE_XRC; |
d2370e0a MB |
566 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
567 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | | |
568 | IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
569 | props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); | |
b005d316 SG |
570 | /* We support 'Gappy' memory registration too */ |
571 | props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; | |
d2370e0a | 572 | } |
e126ba97 | 573 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
938fe83c | 574 | if (MLX5_CAP_GEN(mdev, sho)) { |
2dea9094 SG |
575 | props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; |
576 | /* At this stage no support for signature handover */ | |
577 | props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | | |
578 | IB_PROT_T10DIF_TYPE_2 | | |
579 | IB_PROT_T10DIF_TYPE_3; | |
580 | props->sig_guard_cap = IB_GUARD_T10DIF_CRC | | |
581 | IB_GUARD_T10DIF_CSUM; | |
582 | } | |
938fe83c | 583 | if (MLX5_CAP_GEN(mdev, block_lb_mc)) |
f360d88a | 584 | props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; |
e126ba97 | 585 | |
402ca536 | 586 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads)) { |
e8161334 NO |
587 | if (MLX5_CAP_ETH(mdev, csum_cap)) { |
588 | /* Legacy bit to support old userspace libraries */ | |
88115fe7 | 589 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
e8161334 NO |
590 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM; |
591 | } | |
592 | ||
593 | if (MLX5_CAP_ETH(dev->mdev, vlan_cap)) | |
594 | props->raw_packet_caps |= | |
595 | IB_RAW_PACKET_CAP_CVLAN_STRIPPING; | |
88115fe7 | 596 | |
402ca536 BW |
597 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { |
598 | max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); | |
599 | if (max_tso) { | |
600 | resp.tso_caps.max_tso = 1 << max_tso; | |
601 | resp.tso_caps.supported_qpts |= | |
602 | 1 << IB_QPT_RAW_PACKET; | |
603 | resp.response_length += sizeof(resp.tso_caps); | |
604 | } | |
605 | } | |
31f69a82 YH |
606 | |
607 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { | |
608 | resp.rss_caps.rx_hash_function = | |
609 | MLX5_RX_HASH_FUNC_TOEPLITZ; | |
610 | resp.rss_caps.rx_hash_fields_mask = | |
611 | MLX5_RX_HASH_SRC_IPV4 | | |
612 | MLX5_RX_HASH_DST_IPV4 | | |
613 | MLX5_RX_HASH_SRC_IPV6 | | |
614 | MLX5_RX_HASH_DST_IPV6 | | |
615 | MLX5_RX_HASH_SRC_PORT_TCP | | |
616 | MLX5_RX_HASH_DST_PORT_TCP | | |
617 | MLX5_RX_HASH_SRC_PORT_UDP | | |
618 | MLX5_RX_HASH_DST_PORT_UDP; | |
619 | resp.response_length += sizeof(resp.rss_caps); | |
620 | } | |
621 | } else { | |
622 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) | |
623 | resp.response_length += sizeof(resp.tso_caps); | |
624 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) | |
625 | resp.response_length += sizeof(resp.rss_caps); | |
402ca536 BW |
626 | } |
627 | ||
f0313965 ES |
628 | if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { |
629 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
630 | props->device_cap_flags |= IB_DEVICE_UD_TSO; | |
631 | } | |
632 | ||
cff5a0f3 | 633 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && |
e8161334 NO |
634 | MLX5_CAP_ETH(dev->mdev, scatter_fcs)) { |
635 | /* Legacy bit to support old userspace libraries */ | |
cff5a0f3 | 636 | props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; |
e8161334 NO |
637 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; |
638 | } | |
cff5a0f3 | 639 | |
da6d6ba3 MG |
640 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) |
641 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
642 | ||
1b5daf11 MD |
643 | props->vendor_part_id = mdev->pdev->device; |
644 | props->hw_ver = mdev->pdev->revision; | |
e126ba97 EC |
645 | |
646 | props->max_mr_size = ~0ull; | |
e0238a6a | 647 | props->page_size_cap = ~(min_page_size - 1); |
938fe83c SM |
648 | props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); |
649 | props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
650 | max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / | |
651 | sizeof(struct mlx5_wqe_data_seg); | |
288c01b7 EC |
652 | max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512); |
653 | max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) - | |
654 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
655 | sizeof(struct mlx5_wqe_data_seg); | |
e126ba97 | 656 | props->max_sge = min(max_rq_sg, max_sq_sg); |
986ef95e | 657 | props->max_sge_rd = MLX5_MAX_SGE_RD; |
938fe83c | 658 | props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); |
9f177686 | 659 | props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; |
938fe83c SM |
660 | props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); |
661 | props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); | |
662 | props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); | |
663 | props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); | |
664 | props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); | |
665 | props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; | |
666 | props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); | |
e126ba97 | 667 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
e126ba97 | 668 | props->max_srq_sge = max_rq_sg - 1; |
911f4331 SG |
669 | props->max_fast_reg_page_list_len = |
670 | 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); | |
da7525d2 | 671 | get_atomic_caps(dev, props); |
81bea28f | 672 | props->masked_atomic_cap = IB_ATOMIC_NONE; |
938fe83c SM |
673 | props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |
674 | props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); | |
e126ba97 EC |
675 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
676 | props->max_mcast_grp; | |
677 | props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ | |
86695a65 | 678 | props->max_ah = INT_MAX; |
7c60bcbb MB |
679 | props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); |
680 | props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; | |
e126ba97 | 681 | |
8cdd312c | 682 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
938fe83c | 683 | if (MLX5_CAP_GEN(mdev, pg)) |
8cdd312c HE |
684 | props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; |
685 | props->odp_caps = dev->odp_caps; | |
686 | #endif | |
687 | ||
051f2630 LR |
688 | if (MLX5_CAP_GEN(mdev, cd)) |
689 | props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; | |
690 | ||
eff901d3 EC |
691 | if (!mlx5_core_is_pf(mdev)) |
692 | props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; | |
693 | ||
31f69a82 YH |
694 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
695 | IB_LINK_LAYER_ETHERNET) { | |
696 | props->rss_caps.max_rwq_indirection_tables = | |
697 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); | |
698 | props->rss_caps.max_rwq_indirection_table_size = | |
699 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); | |
700 | props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; | |
701 | props->max_wq_type_rq = | |
702 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); | |
703 | } | |
704 | ||
7e43a2a5 BW |
705 | if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) { |
706 | resp.cqe_comp_caps.max_num = | |
707 | MLX5_CAP_GEN(dev->mdev, cqe_compression) ? | |
708 | MLX5_CAP_GEN(dev->mdev, cqe_compression_max_num) : 0; | |
709 | resp.cqe_comp_caps.supported_format = | |
710 | MLX5_IB_CQE_RES_FORMAT_HASH | | |
711 | MLX5_IB_CQE_RES_FORMAT_CSUM; | |
712 | resp.response_length += sizeof(resp.cqe_comp_caps); | |
713 | } | |
714 | ||
d949167d BW |
715 | if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen)) { |
716 | if (MLX5_CAP_QOS(mdev, packet_pacing) && | |
717 | MLX5_CAP_GEN(mdev, qos)) { | |
718 | resp.packet_pacing_caps.qp_rate_limit_max = | |
719 | MLX5_CAP_QOS(mdev, packet_pacing_max_rate); | |
720 | resp.packet_pacing_caps.qp_rate_limit_min = | |
721 | MLX5_CAP_QOS(mdev, packet_pacing_min_rate); | |
722 | resp.packet_pacing_caps.supported_qpts |= | |
723 | 1 << IB_QPT_RAW_PACKET; | |
724 | } | |
725 | resp.response_length += sizeof(resp.packet_pacing_caps); | |
726 | } | |
727 | ||
9f885201 LR |
728 | if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes, |
729 | uhw->outlen)) { | |
730 | resp.mlx5_ib_support_multi_pkt_send_wqes = | |
731 | MLX5_CAP_ETH(mdev, multi_pkt_send_wqe); | |
732 | resp.response_length += | |
733 | sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes); | |
734 | } | |
735 | ||
736 | if (field_avail(typeof(resp), reserved, uhw->outlen)) | |
737 | resp.response_length += sizeof(resp.reserved); | |
738 | ||
402ca536 BW |
739 | if (uhw->outlen) { |
740 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); | |
741 | ||
742 | if (err) | |
743 | return err; | |
744 | } | |
745 | ||
1b5daf11 | 746 | return 0; |
e126ba97 EC |
747 | } |
748 | ||
1b5daf11 MD |
749 | enum mlx5_ib_width { |
750 | MLX5_IB_WIDTH_1X = 1 << 0, | |
751 | MLX5_IB_WIDTH_2X = 1 << 1, | |
752 | MLX5_IB_WIDTH_4X = 1 << 2, | |
753 | MLX5_IB_WIDTH_8X = 1 << 3, | |
754 | MLX5_IB_WIDTH_12X = 1 << 4 | |
755 | }; | |
756 | ||
757 | static int translate_active_width(struct ib_device *ibdev, u8 active_width, | |
758 | u8 *ib_width) | |
e126ba97 EC |
759 | { |
760 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1b5daf11 MD |
761 | int err = 0; |
762 | ||
763 | if (active_width & MLX5_IB_WIDTH_1X) { | |
764 | *ib_width = IB_WIDTH_1X; | |
765 | } else if (active_width & MLX5_IB_WIDTH_2X) { | |
766 | mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n", | |
767 | (int)active_width); | |
768 | err = -EINVAL; | |
769 | } else if (active_width & MLX5_IB_WIDTH_4X) { | |
770 | *ib_width = IB_WIDTH_4X; | |
771 | } else if (active_width & MLX5_IB_WIDTH_8X) { | |
772 | *ib_width = IB_WIDTH_8X; | |
773 | } else if (active_width & MLX5_IB_WIDTH_12X) { | |
774 | *ib_width = IB_WIDTH_12X; | |
775 | } else { | |
776 | mlx5_ib_dbg(dev, "Invalid active_width %d\n", | |
777 | (int)active_width); | |
778 | err = -EINVAL; | |
e126ba97 EC |
779 | } |
780 | ||
1b5daf11 MD |
781 | return err; |
782 | } | |
e126ba97 | 783 | |
1b5daf11 MD |
784 | static int mlx5_mtu_to_ib_mtu(int mtu) |
785 | { | |
786 | switch (mtu) { | |
787 | case 256: return 1; | |
788 | case 512: return 2; | |
789 | case 1024: return 3; | |
790 | case 2048: return 4; | |
791 | case 4096: return 5; | |
792 | default: | |
793 | pr_warn("invalid mtu\n"); | |
794 | return -1; | |
e126ba97 | 795 | } |
1b5daf11 | 796 | } |
e126ba97 | 797 | |
1b5daf11 MD |
798 | enum ib_max_vl_num { |
799 | __IB_MAX_VL_0 = 1, | |
800 | __IB_MAX_VL_0_1 = 2, | |
801 | __IB_MAX_VL_0_3 = 3, | |
802 | __IB_MAX_VL_0_7 = 4, | |
803 | __IB_MAX_VL_0_14 = 5, | |
804 | }; | |
e126ba97 | 805 | |
1b5daf11 MD |
806 | enum mlx5_vl_hw_cap { |
807 | MLX5_VL_HW_0 = 1, | |
808 | MLX5_VL_HW_0_1 = 2, | |
809 | MLX5_VL_HW_0_2 = 3, | |
810 | MLX5_VL_HW_0_3 = 4, | |
811 | MLX5_VL_HW_0_4 = 5, | |
812 | MLX5_VL_HW_0_5 = 6, | |
813 | MLX5_VL_HW_0_6 = 7, | |
814 | MLX5_VL_HW_0_7 = 8, | |
815 | MLX5_VL_HW_0_14 = 15 | |
816 | }; | |
e126ba97 | 817 | |
1b5daf11 MD |
818 | static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, |
819 | u8 *max_vl_num) | |
820 | { | |
821 | switch (vl_hw_cap) { | |
822 | case MLX5_VL_HW_0: | |
823 | *max_vl_num = __IB_MAX_VL_0; | |
824 | break; | |
825 | case MLX5_VL_HW_0_1: | |
826 | *max_vl_num = __IB_MAX_VL_0_1; | |
827 | break; | |
828 | case MLX5_VL_HW_0_3: | |
829 | *max_vl_num = __IB_MAX_VL_0_3; | |
830 | break; | |
831 | case MLX5_VL_HW_0_7: | |
832 | *max_vl_num = __IB_MAX_VL_0_7; | |
833 | break; | |
834 | case MLX5_VL_HW_0_14: | |
835 | *max_vl_num = __IB_MAX_VL_0_14; | |
836 | break; | |
e126ba97 | 837 | |
1b5daf11 MD |
838 | default: |
839 | return -EINVAL; | |
e126ba97 | 840 | } |
e126ba97 | 841 | |
1b5daf11 | 842 | return 0; |
e126ba97 EC |
843 | } |
844 | ||
1b5daf11 MD |
845 | static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, |
846 | struct ib_port_attr *props) | |
e126ba97 | 847 | { |
1b5daf11 MD |
848 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
849 | struct mlx5_core_dev *mdev = dev->mdev; | |
850 | struct mlx5_hca_vport_context *rep; | |
046339ea SM |
851 | u16 max_mtu; |
852 | u16 oper_mtu; | |
1b5daf11 MD |
853 | int err; |
854 | u8 ib_link_width_oper; | |
855 | u8 vl_hw_cap; | |
e126ba97 | 856 | |
1b5daf11 MD |
857 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
858 | if (!rep) { | |
859 | err = -ENOMEM; | |
e126ba97 | 860 | goto out; |
e126ba97 | 861 | } |
e126ba97 | 862 | |
c4550c63 | 863 | /* props being zeroed by the caller, avoid zeroing it here */ |
e126ba97 | 864 | |
1b5daf11 | 865 | err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep); |
e126ba97 EC |
866 | if (err) |
867 | goto out; | |
868 | ||
1b5daf11 MD |
869 | props->lid = rep->lid; |
870 | props->lmc = rep->lmc; | |
871 | props->sm_lid = rep->sm_lid; | |
872 | props->sm_sl = rep->sm_sl; | |
873 | props->state = rep->vport_state; | |
874 | props->phys_state = rep->port_physical_state; | |
875 | props->port_cap_flags = rep->cap_mask1; | |
876 | props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); | |
877 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); | |
878 | props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); | |
879 | props->bad_pkey_cntr = rep->pkey_violation_counter; | |
880 | props->qkey_viol_cntr = rep->qkey_violation_counter; | |
881 | props->subnet_timeout = rep->subnet_timeout; | |
882 | props->init_type_reply = rep->init_type_reply; | |
eff901d3 | 883 | props->grh_required = rep->grh_required; |
e126ba97 | 884 | |
1b5daf11 MD |
885 | err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port); |
886 | if (err) | |
e126ba97 | 887 | goto out; |
e126ba97 | 888 | |
1b5daf11 MD |
889 | err = translate_active_width(ibdev, ib_link_width_oper, |
890 | &props->active_width); | |
891 | if (err) | |
892 | goto out; | |
d5beb7f2 | 893 | err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port); |
e126ba97 EC |
894 | if (err) |
895 | goto out; | |
896 | ||
facc9699 | 897 | mlx5_query_port_max_mtu(mdev, &max_mtu, port); |
e126ba97 | 898 | |
1b5daf11 | 899 | props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu); |
e126ba97 | 900 | |
facc9699 | 901 | mlx5_query_port_oper_mtu(mdev, &oper_mtu, port); |
e126ba97 | 902 | |
1b5daf11 | 903 | props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu); |
e126ba97 | 904 | |
1b5daf11 MD |
905 | err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port); |
906 | if (err) | |
907 | goto out; | |
e126ba97 | 908 | |
1b5daf11 MD |
909 | err = translate_max_vl_num(ibdev, vl_hw_cap, |
910 | &props->max_vl_num); | |
e126ba97 | 911 | out: |
1b5daf11 | 912 | kfree(rep); |
e126ba97 EC |
913 | return err; |
914 | } | |
915 | ||
1b5daf11 MD |
916 | int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, |
917 | struct ib_port_attr *props) | |
e126ba97 | 918 | { |
1b5daf11 MD |
919 | switch (mlx5_get_vport_access_method(ibdev)) { |
920 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
921 | return mlx5_query_mad_ifc_port(ibdev, port, props); | |
e126ba97 | 922 | |
1b5daf11 MD |
923 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
924 | return mlx5_query_hca_port(ibdev, port, props); | |
e126ba97 | 925 | |
3f89a643 AS |
926 | case MLX5_VPORT_ACCESS_METHOD_NIC: |
927 | return mlx5_query_port_roce(ibdev, port, props); | |
928 | ||
1b5daf11 MD |
929 | default: |
930 | return -EINVAL; | |
931 | } | |
932 | } | |
e126ba97 | 933 | |
1b5daf11 MD |
934 | static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
935 | union ib_gid *gid) | |
936 | { | |
937 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 | 939 | |
1b5daf11 MD |
940 | switch (mlx5_get_vport_access_method(ibdev)) { |
941 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
942 | return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); | |
e126ba97 | 943 | |
1b5daf11 MD |
944 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
945 | return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid); | |
946 | ||
947 | default: | |
948 | return -EINVAL; | |
949 | } | |
e126ba97 | 950 | |
e126ba97 EC |
951 | } |
952 | ||
1b5daf11 MD |
953 | static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
954 | u16 *pkey) | |
955 | { | |
956 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
957 | struct mlx5_core_dev *mdev = dev->mdev; | |
958 | ||
959 | switch (mlx5_get_vport_access_method(ibdev)) { | |
960 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
961 | return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); | |
962 | ||
963 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
964 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
965 | return mlx5_query_hca_vport_pkey(mdev, 0, port, 0, index, | |
966 | pkey); | |
967 | default: | |
968 | return -EINVAL; | |
969 | } | |
970 | } | |
e126ba97 EC |
971 | |
972 | static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, | |
973 | struct ib_device_modify *props) | |
974 | { | |
975 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
976 | struct mlx5_reg_node_desc in; | |
977 | struct mlx5_reg_node_desc out; | |
978 | int err; | |
979 | ||
980 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
981 | return -EOPNOTSUPP; | |
982 | ||
983 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) | |
984 | return 0; | |
985 | ||
986 | /* | |
987 | * If possible, pass node desc to FW, so it can generate | |
988 | * a 144 trap. If cmd fails, just ignore. | |
989 | */ | |
bd99fdea | 990 | memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
9603b61d | 991 | err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, |
e126ba97 EC |
992 | sizeof(out), MLX5_REG_NODE_DESC, 0, 1); |
993 | if (err) | |
994 | return err; | |
995 | ||
bd99fdea | 996 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
e126ba97 EC |
997 | |
998 | return err; | |
999 | } | |
1000 | ||
cdbe33d0 EC |
1001 | static int set_port_caps_atomic(struct mlx5_ib_dev *dev, u8 port_num, u32 mask, |
1002 | u32 value) | |
1003 | { | |
1004 | struct mlx5_hca_vport_context ctx = {}; | |
1005 | int err; | |
1006 | ||
1007 | err = mlx5_query_hca_vport_context(dev->mdev, 0, | |
1008 | port_num, 0, &ctx); | |
1009 | if (err) | |
1010 | return err; | |
1011 | ||
1012 | if (~ctx.cap_mask1_perm & mask) { | |
1013 | mlx5_ib_warn(dev, "trying to change bitmask 0x%X but change supported 0x%X\n", | |
1014 | mask, ctx.cap_mask1_perm); | |
1015 | return -EINVAL; | |
1016 | } | |
1017 | ||
1018 | ctx.cap_mask1 = value; | |
1019 | ctx.cap_mask1_perm = mask; | |
1020 | err = mlx5_core_modify_hca_vport_context(dev->mdev, 0, | |
1021 | port_num, 0, &ctx); | |
1022 | ||
1023 | return err; | |
1024 | } | |
1025 | ||
e126ba97 EC |
1026 | static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, |
1027 | struct ib_port_modify *props) | |
1028 | { | |
1029 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1030 | struct ib_port_attr attr; | |
1031 | u32 tmp; | |
1032 | int err; | |
cdbe33d0 EC |
1033 | u32 change_mask; |
1034 | u32 value; | |
1035 | bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) == | |
1036 | IB_LINK_LAYER_INFINIBAND); | |
1037 | ||
1038 | if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) { | |
1039 | change_mask = props->clr_port_cap_mask | props->set_port_cap_mask; | |
1040 | value = ~props->clr_port_cap_mask | props->set_port_cap_mask; | |
1041 | return set_port_caps_atomic(dev, port, change_mask, value); | |
1042 | } | |
e126ba97 EC |
1043 | |
1044 | mutex_lock(&dev->cap_mask_mutex); | |
1045 | ||
c4550c63 | 1046 | err = ib_query_port(ibdev, port, &attr); |
e126ba97 EC |
1047 | if (err) |
1048 | goto out; | |
1049 | ||
1050 | tmp = (attr.port_cap_flags | props->set_port_cap_mask) & | |
1051 | ~props->clr_port_cap_mask; | |
1052 | ||
9603b61d | 1053 | err = mlx5_set_port_caps(dev->mdev, port, tmp); |
e126ba97 EC |
1054 | |
1055 | out: | |
1056 | mutex_unlock(&dev->cap_mask_mutex); | |
1057 | return err; | |
1058 | } | |
1059 | ||
30aa60b3 EC |
1060 | static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps) |
1061 | { | |
1062 | mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n", | |
1063 | caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n"); | |
1064 | } | |
1065 | ||
b037c29a EC |
1066 | static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k, |
1067 | struct mlx5_ib_alloc_ucontext_req_v2 *req, | |
1068 | u32 *num_sys_pages) | |
1069 | { | |
1070 | int uars_per_sys_page; | |
1071 | int bfregs_per_sys_page; | |
1072 | int ref_bfregs = req->total_num_bfregs; | |
1073 | ||
1074 | if (req->total_num_bfregs == 0) | |
1075 | return -EINVAL; | |
1076 | ||
1077 | BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE); | |
1078 | BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE); | |
1079 | ||
1080 | if (req->total_num_bfregs > MLX5_MAX_BFREGS) | |
1081 | return -ENOMEM; | |
1082 | ||
1083 | uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k); | |
1084 | bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR; | |
1085 | req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page); | |
1086 | *num_sys_pages = req->total_num_bfregs / bfregs_per_sys_page; | |
1087 | ||
1088 | if (req->num_low_latency_bfregs > req->total_num_bfregs - 1) | |
1089 | return -EINVAL; | |
1090 | ||
1091 | mlx5_ib_dbg(dev, "uar_4k: fw support %s, lib support %s, user requested %d bfregs, alloated %d, using %d sys pages\n", | |
1092 | MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no", | |
1093 | lib_uar_4k ? "yes" : "no", ref_bfregs, | |
1094 | req->total_num_bfregs, *num_sys_pages); | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1100 | { | |
1101 | struct mlx5_bfreg_info *bfregi; | |
1102 | int err; | |
1103 | int i; | |
1104 | ||
1105 | bfregi = &context->bfregi; | |
1106 | for (i = 0; i < bfregi->num_sys_pages; i++) { | |
1107 | err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]); | |
1108 | if (err) | |
1109 | goto error; | |
1110 | ||
1111 | mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]); | |
1112 | } | |
1113 | return 0; | |
1114 | ||
1115 | error: | |
1116 | for (--i; i >= 0; i--) | |
1117 | if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i])) | |
1118 | mlx5_ib_warn(dev, "failed to free uar %d\n", i); | |
1119 | ||
1120 | return err; | |
1121 | } | |
1122 | ||
1123 | static int deallocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1124 | { | |
1125 | struct mlx5_bfreg_info *bfregi; | |
1126 | int err; | |
1127 | int i; | |
1128 | ||
1129 | bfregi = &context->bfregi; | |
1130 | for (i = 0; i < bfregi->num_sys_pages; i++) { | |
1131 | err = mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]); | |
1132 | if (err) { | |
1133 | mlx5_ib_warn(dev, "failed to free uar %d\n", i); | |
1134 | return err; | |
1135 | } | |
1136 | } | |
1137 | return 0; | |
1138 | } | |
1139 | ||
e126ba97 EC |
1140 | static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, |
1141 | struct ib_udata *udata) | |
1142 | { | |
1143 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b368d7cb MB |
1144 | struct mlx5_ib_alloc_ucontext_req_v2 req = {}; |
1145 | struct mlx5_ib_alloc_ucontext_resp resp = {}; | |
e126ba97 | 1146 | struct mlx5_ib_ucontext *context; |
2f5ff264 | 1147 | struct mlx5_bfreg_info *bfregi; |
78c0f98c | 1148 | int ver; |
e126ba97 | 1149 | int err; |
f241e749 | 1150 | size_t reqlen; |
a168a41c MD |
1151 | size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, |
1152 | max_cqe_version); | |
b037c29a | 1153 | bool lib_uar_4k; |
e126ba97 EC |
1154 | |
1155 | if (!dev->ib_active) | |
1156 | return ERR_PTR(-EAGAIN); | |
1157 | ||
dfbee859 HA |
1158 | if (udata->inlen < sizeof(struct ib_uverbs_cmd_hdr)) |
1159 | return ERR_PTR(-EINVAL); | |
1160 | ||
78c0f98c EC |
1161 | reqlen = udata->inlen - sizeof(struct ib_uverbs_cmd_hdr); |
1162 | if (reqlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) | |
1163 | ver = 0; | |
a168a41c | 1164 | else if (reqlen >= min_req_v2) |
78c0f98c EC |
1165 | ver = 2; |
1166 | else | |
1167 | return ERR_PTR(-EINVAL); | |
1168 | ||
b368d7cb | 1169 | err = ib_copy_from_udata(&req, udata, min(reqlen, sizeof(req))); |
e126ba97 EC |
1170 | if (err) |
1171 | return ERR_PTR(err); | |
1172 | ||
b368d7cb | 1173 | if (req.flags) |
78c0f98c EC |
1174 | return ERR_PTR(-EINVAL); |
1175 | ||
f72300c5 | 1176 | if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) |
b368d7cb MB |
1177 | return ERR_PTR(-EOPNOTSUPP); |
1178 | ||
2f5ff264 EC |
1179 | req.total_num_bfregs = ALIGN(req.total_num_bfregs, |
1180 | MLX5_NON_FP_BFREGS_PER_UAR); | |
1181 | if (req.num_low_latency_bfregs > req.total_num_bfregs - 1) | |
e126ba97 EC |
1182 | return ERR_PTR(-EINVAL); |
1183 | ||
938fe83c | 1184 | resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); |
2cc6ad5f NO |
1185 | if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) |
1186 | resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); | |
b47bd6ea | 1187 | resp.cache_line_size = cache_line_size(); |
938fe83c SM |
1188 | resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); |
1189 | resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); | |
1190 | resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1191 | resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1192 | resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); | |
f72300c5 HA |
1193 | resp.cqe_version = min_t(__u8, |
1194 | (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), | |
1195 | req.max_cqe_version); | |
30aa60b3 EC |
1196 | resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ? |
1197 | MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT; | |
1198 | resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
1199 | MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1; | |
b368d7cb MB |
1200 | resp.response_length = min(offsetof(typeof(resp), response_length) + |
1201 | sizeof(resp.response_length), udata->outlen); | |
e126ba97 EC |
1202 | |
1203 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
1204 | if (!context) | |
1205 | return ERR_PTR(-ENOMEM); | |
1206 | ||
30aa60b3 | 1207 | lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR; |
2f5ff264 | 1208 | bfregi = &context->bfregi; |
b037c29a EC |
1209 | |
1210 | /* updates req->total_num_bfregs */ | |
1211 | err = calc_total_bfregs(dev, lib_uar_4k, &req, &bfregi->num_sys_pages); | |
1212 | if (err) | |
e126ba97 | 1213 | goto out_ctx; |
e126ba97 | 1214 | |
b037c29a EC |
1215 | mutex_init(&bfregi->lock); |
1216 | bfregi->lib_uar_4k = lib_uar_4k; | |
1217 | bfregi->count = kcalloc(req.total_num_bfregs, sizeof(*bfregi->count), | |
e126ba97 | 1218 | GFP_KERNEL); |
b037c29a | 1219 | if (!bfregi->count) { |
e126ba97 | 1220 | err = -ENOMEM; |
b037c29a | 1221 | goto out_ctx; |
e126ba97 EC |
1222 | } |
1223 | ||
b037c29a EC |
1224 | bfregi->sys_pages = kcalloc(bfregi->num_sys_pages, |
1225 | sizeof(*bfregi->sys_pages), | |
1226 | GFP_KERNEL); | |
1227 | if (!bfregi->sys_pages) { | |
e126ba97 | 1228 | err = -ENOMEM; |
b037c29a | 1229 | goto out_count; |
e126ba97 EC |
1230 | } |
1231 | ||
b037c29a EC |
1232 | err = allocate_uars(dev, context); |
1233 | if (err) | |
1234 | goto out_sys_pages; | |
e126ba97 | 1235 | |
b4cfe447 HE |
1236 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
1237 | context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; | |
1238 | #endif | |
1239 | ||
7d0cc6ed AK |
1240 | context->upd_xlt_page = __get_free_page(GFP_KERNEL); |
1241 | if (!context->upd_xlt_page) { | |
1242 | err = -ENOMEM; | |
1243 | goto out_uars; | |
1244 | } | |
1245 | mutex_init(&context->upd_xlt_page_mutex); | |
1246 | ||
146d2f1a | 1247 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { |
1248 | err = mlx5_core_alloc_transport_domain(dev->mdev, | |
1249 | &context->tdn); | |
1250 | if (err) | |
7d0cc6ed | 1251 | goto out_page; |
146d2f1a | 1252 | } |
1253 | ||
7c2344c3 | 1254 | INIT_LIST_HEAD(&context->vma_private_list); |
e126ba97 EC |
1255 | INIT_LIST_HEAD(&context->db_page_list); |
1256 | mutex_init(&context->db_page_mutex); | |
1257 | ||
2f5ff264 | 1258 | resp.tot_bfregs = req.total_num_bfregs; |
938fe83c | 1259 | resp.num_ports = MLX5_CAP_GEN(dev->mdev, num_ports); |
b368d7cb | 1260 | |
f72300c5 HA |
1261 | if (field_avail(typeof(resp), cqe_version, udata->outlen)) |
1262 | resp.response_length += sizeof(resp.cqe_version); | |
b368d7cb | 1263 | |
402ca536 | 1264 | if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { |
6ad279c5 MS |
1265 | resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | |
1266 | MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; | |
402ca536 BW |
1267 | resp.response_length += sizeof(resp.cmds_supp_uhw); |
1268 | } | |
1269 | ||
78984898 OG |
1270 | if (field_avail(typeof(resp), eth_min_inline, udata->outlen)) { |
1271 | if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) { | |
1272 | mlx5_query_min_inline(dev->mdev, &resp.eth_min_inline); | |
1273 | resp.eth_min_inline++; | |
1274 | } | |
1275 | resp.response_length += sizeof(resp.eth_min_inline); | |
1276 | } | |
1277 | ||
bc5c6eed NO |
1278 | /* |
1279 | * We don't want to expose information from the PCI bar that is located | |
1280 | * after 4096 bytes, so if the arch only supports larger pages, let's | |
1281 | * pretend we don't support reading the HCA's core clock. This is also | |
1282 | * forced by mmap function. | |
1283 | */ | |
de8d6e02 EC |
1284 | if (field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { |
1285 | if (PAGE_SIZE <= 4096) { | |
1286 | resp.comp_mask |= | |
1287 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; | |
1288 | resp.hca_core_clock_offset = | |
1289 | offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE; | |
1290 | } | |
f72300c5 | 1291 | resp.response_length += sizeof(resp.hca_core_clock_offset) + |
402ca536 | 1292 | sizeof(resp.reserved2); |
b368d7cb MB |
1293 | } |
1294 | ||
30aa60b3 EC |
1295 | if (field_avail(typeof(resp), log_uar_size, udata->outlen)) |
1296 | resp.response_length += sizeof(resp.log_uar_size); | |
1297 | ||
1298 | if (field_avail(typeof(resp), num_uars_per_page, udata->outlen)) | |
1299 | resp.response_length += sizeof(resp.num_uars_per_page); | |
1300 | ||
b368d7cb | 1301 | err = ib_copy_to_udata(udata, &resp, resp.response_length); |
e126ba97 | 1302 | if (err) |
146d2f1a | 1303 | goto out_td; |
e126ba97 | 1304 | |
2f5ff264 EC |
1305 | bfregi->ver = ver; |
1306 | bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs; | |
f72300c5 | 1307 | context->cqe_version = resp.cqe_version; |
30aa60b3 EC |
1308 | context->lib_caps = req.lib_caps; |
1309 | print_lib_caps(dev, context->lib_caps); | |
f72300c5 | 1310 | |
e126ba97 EC |
1311 | return &context->ibucontext; |
1312 | ||
146d2f1a | 1313 | out_td: |
1314 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) | |
1315 | mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn); | |
1316 | ||
7d0cc6ed AK |
1317 | out_page: |
1318 | free_page(context->upd_xlt_page); | |
1319 | ||
e126ba97 | 1320 | out_uars: |
b037c29a | 1321 | deallocate_uars(dev, context); |
e126ba97 | 1322 | |
b037c29a EC |
1323 | out_sys_pages: |
1324 | kfree(bfregi->sys_pages); | |
e126ba97 | 1325 | |
b037c29a EC |
1326 | out_count: |
1327 | kfree(bfregi->count); | |
e126ba97 EC |
1328 | |
1329 | out_ctx: | |
1330 | kfree(context); | |
b037c29a | 1331 | |
e126ba97 EC |
1332 | return ERR_PTR(err); |
1333 | } | |
1334 | ||
1335 | static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
1336 | { | |
1337 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1338 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
b037c29a | 1339 | struct mlx5_bfreg_info *bfregi; |
e126ba97 | 1340 | |
b037c29a | 1341 | bfregi = &context->bfregi; |
146d2f1a | 1342 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1343 | mlx5_core_dealloc_transport_domain(dev->mdev, context->tdn); | |
1344 | ||
7d0cc6ed | 1345 | free_page(context->upd_xlt_page); |
b037c29a EC |
1346 | deallocate_uars(dev, context); |
1347 | kfree(bfregi->sys_pages); | |
2f5ff264 | 1348 | kfree(bfregi->count); |
e126ba97 EC |
1349 | kfree(context); |
1350 | ||
1351 | return 0; | |
1352 | } | |
1353 | ||
b037c29a EC |
1354 | static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, |
1355 | struct mlx5_bfreg_info *bfregi, | |
1356 | int idx) | |
e126ba97 | 1357 | { |
b037c29a EC |
1358 | int fw_uars_per_page; |
1359 | ||
1360 | fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1; | |
1361 | ||
1362 | return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + | |
1363 | bfregi->sys_pages[idx] / fw_uars_per_page; | |
e126ba97 EC |
1364 | } |
1365 | ||
1366 | static int get_command(unsigned long offset) | |
1367 | { | |
1368 | return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; | |
1369 | } | |
1370 | ||
1371 | static int get_arg(unsigned long offset) | |
1372 | { | |
1373 | return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); | |
1374 | } | |
1375 | ||
1376 | static int get_index(unsigned long offset) | |
1377 | { | |
1378 | return get_arg(offset); | |
1379 | } | |
1380 | ||
7c2344c3 MG |
1381 | static void mlx5_ib_vma_open(struct vm_area_struct *area) |
1382 | { | |
1383 | /* vma_open is called when a new VMA is created on top of our VMA. This | |
1384 | * is done through either mremap flow or split_vma (usually due to | |
1385 | * mlock, madvise, munmap, etc.) We do not support a clone of the VMA, | |
1386 | * as this VMA is strongly hardware related. Therefore we set the | |
1387 | * vm_ops of the newly created/cloned VMA to NULL, to prevent it from | |
1388 | * calling us again and trying to do incorrect actions. We assume that | |
1389 | * the original VMA size is exactly a single page, and therefore all | |
1390 | * "splitting" operation will not happen to it. | |
1391 | */ | |
1392 | area->vm_ops = NULL; | |
1393 | } | |
1394 | ||
1395 | static void mlx5_ib_vma_close(struct vm_area_struct *area) | |
1396 | { | |
1397 | struct mlx5_ib_vma_private_data *mlx5_ib_vma_priv_data; | |
1398 | ||
1399 | /* It's guaranteed that all VMAs opened on a FD are closed before the | |
1400 | * file itself is closed, therefore no sync is needed with the regular | |
1401 | * closing flow. (e.g. mlx5 ib_dealloc_ucontext) | |
1402 | * However need a sync with accessing the vma as part of | |
1403 | * mlx5_ib_disassociate_ucontext. | |
1404 | * The close operation is usually called under mm->mmap_sem except when | |
1405 | * process is exiting. | |
1406 | * The exiting case is handled explicitly as part of | |
1407 | * mlx5_ib_disassociate_ucontext. | |
1408 | */ | |
1409 | mlx5_ib_vma_priv_data = (struct mlx5_ib_vma_private_data *)area->vm_private_data; | |
1410 | ||
1411 | /* setting the vma context pointer to null in the mlx5_ib driver's | |
1412 | * private data, to protect a race condition in | |
1413 | * mlx5_ib_disassociate_ucontext(). | |
1414 | */ | |
1415 | mlx5_ib_vma_priv_data->vma = NULL; | |
1416 | list_del(&mlx5_ib_vma_priv_data->list); | |
1417 | kfree(mlx5_ib_vma_priv_data); | |
1418 | } | |
1419 | ||
1420 | static const struct vm_operations_struct mlx5_ib_vm_ops = { | |
1421 | .open = mlx5_ib_vma_open, | |
1422 | .close = mlx5_ib_vma_close | |
1423 | }; | |
1424 | ||
1425 | static int mlx5_ib_set_vma_data(struct vm_area_struct *vma, | |
1426 | struct mlx5_ib_ucontext *ctx) | |
1427 | { | |
1428 | struct mlx5_ib_vma_private_data *vma_prv; | |
1429 | struct list_head *vma_head = &ctx->vma_private_list; | |
1430 | ||
1431 | vma_prv = kzalloc(sizeof(*vma_prv), GFP_KERNEL); | |
1432 | if (!vma_prv) | |
1433 | return -ENOMEM; | |
1434 | ||
1435 | vma_prv->vma = vma; | |
1436 | vma->vm_private_data = vma_prv; | |
1437 | vma->vm_ops = &mlx5_ib_vm_ops; | |
1438 | ||
1439 | list_add(&vma_prv->list, vma_head); | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | ||
1444 | static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
1445 | { | |
1446 | int ret; | |
1447 | struct vm_area_struct *vma; | |
1448 | struct mlx5_ib_vma_private_data *vma_private, *n; | |
1449 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1450 | struct task_struct *owning_process = NULL; | |
1451 | struct mm_struct *owning_mm = NULL; | |
1452 | ||
1453 | owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); | |
1454 | if (!owning_process) | |
1455 | return; | |
1456 | ||
1457 | owning_mm = get_task_mm(owning_process); | |
1458 | if (!owning_mm) { | |
1459 | pr_info("no mm, disassociate ucontext is pending task termination\n"); | |
1460 | while (1) { | |
1461 | put_task_struct(owning_process); | |
1462 | usleep_range(1000, 2000); | |
1463 | owning_process = get_pid_task(ibcontext->tgid, | |
1464 | PIDTYPE_PID); | |
1465 | if (!owning_process || | |
1466 | owning_process->state == TASK_DEAD) { | |
1467 | pr_info("disassociate ucontext done, task was terminated\n"); | |
1468 | /* in case task was dead need to release the | |
1469 | * task struct. | |
1470 | */ | |
1471 | if (owning_process) | |
1472 | put_task_struct(owning_process); | |
1473 | return; | |
1474 | } | |
1475 | } | |
1476 | } | |
1477 | ||
1478 | /* need to protect from a race on closing the vma as part of | |
1479 | * mlx5_ib_vma_close. | |
1480 | */ | |
ecc7d83b | 1481 | down_write(&owning_mm->mmap_sem); |
7c2344c3 MG |
1482 | list_for_each_entry_safe(vma_private, n, &context->vma_private_list, |
1483 | list) { | |
1484 | vma = vma_private->vma; | |
1485 | ret = zap_vma_ptes(vma, vma->vm_start, | |
1486 | PAGE_SIZE); | |
1487 | WARN_ONCE(ret, "%s: zap_vma_ptes failed", __func__); | |
1488 | /* context going to be destroyed, should | |
1489 | * not access ops any more. | |
1490 | */ | |
13776612 | 1491 | vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); |
7c2344c3 MG |
1492 | vma->vm_ops = NULL; |
1493 | list_del(&vma_private->list); | |
1494 | kfree(vma_private); | |
1495 | } | |
ecc7d83b | 1496 | up_write(&owning_mm->mmap_sem); |
7c2344c3 MG |
1497 | mmput(owning_mm); |
1498 | put_task_struct(owning_process); | |
1499 | } | |
1500 | ||
37aa5c36 GL |
1501 | static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) |
1502 | { | |
1503 | switch (cmd) { | |
1504 | case MLX5_IB_MMAP_WC_PAGE: | |
1505 | return "WC"; | |
1506 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
1507 | return "best effort WC"; | |
1508 | case MLX5_IB_MMAP_NC_PAGE: | |
1509 | return "NC"; | |
1510 | default: | |
1511 | return NULL; | |
1512 | } | |
1513 | } | |
1514 | ||
1515 | static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, | |
7c2344c3 MG |
1516 | struct vm_area_struct *vma, |
1517 | struct mlx5_ib_ucontext *context) | |
37aa5c36 | 1518 | { |
2f5ff264 | 1519 | struct mlx5_bfreg_info *bfregi = &context->bfregi; |
37aa5c36 GL |
1520 | int err; |
1521 | unsigned long idx; | |
1522 | phys_addr_t pfn, pa; | |
1523 | pgprot_t prot; | |
b037c29a EC |
1524 | int uars_per_page; |
1525 | ||
1526 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
1527 | return -EINVAL; | |
1528 | ||
1529 | uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k); | |
1530 | idx = get_index(vma->vm_pgoff); | |
1531 | if (idx % uars_per_page || | |
1532 | idx * uars_per_page >= bfregi->num_sys_pages) { | |
1533 | mlx5_ib_warn(dev, "invalid uar index %lu\n", idx); | |
1534 | return -EINVAL; | |
1535 | } | |
37aa5c36 GL |
1536 | |
1537 | switch (cmd) { | |
1538 | case MLX5_IB_MMAP_WC_PAGE: | |
1539 | /* Some architectures don't support WC memory */ | |
1540 | #if defined(CONFIG_X86) | |
1541 | if (!pat_enabled()) | |
1542 | return -EPERM; | |
1543 | #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) | |
1544 | return -EPERM; | |
1545 | #endif | |
1546 | /* fall through */ | |
1547 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
1548 | /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ | |
1549 | prot = pgprot_writecombine(vma->vm_page_prot); | |
1550 | break; | |
1551 | case MLX5_IB_MMAP_NC_PAGE: | |
1552 | prot = pgprot_noncached(vma->vm_page_prot); | |
1553 | break; | |
1554 | default: | |
1555 | return -EINVAL; | |
1556 | } | |
1557 | ||
b037c29a | 1558 | pfn = uar_index2pfn(dev, bfregi, idx); |
37aa5c36 GL |
1559 | mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); |
1560 | ||
1561 | vma->vm_page_prot = prot; | |
1562 | err = io_remap_pfn_range(vma, vma->vm_start, pfn, | |
1563 | PAGE_SIZE, vma->vm_page_prot); | |
1564 | if (err) { | |
1565 | mlx5_ib_err(dev, "io_remap_pfn_range failed with error=%d, vm_start=0x%lx, pfn=%pa, mmap_cmd=%s\n", | |
1566 | err, vma->vm_start, &pfn, mmap_cmd2str(cmd)); | |
1567 | return -EAGAIN; | |
1568 | } | |
1569 | ||
1570 | pa = pfn << PAGE_SHIFT; | |
1571 | mlx5_ib_dbg(dev, "mapped %s at 0x%lx, PA %pa\n", mmap_cmd2str(cmd), | |
1572 | vma->vm_start, &pa); | |
1573 | ||
7c2344c3 | 1574 | return mlx5_ib_set_vma_data(vma, context); |
37aa5c36 GL |
1575 | } |
1576 | ||
e126ba97 EC |
1577 | static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) |
1578 | { | |
1579 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1580 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
e126ba97 | 1581 | unsigned long command; |
e126ba97 EC |
1582 | phys_addr_t pfn; |
1583 | ||
1584 | command = get_command(vma->vm_pgoff); | |
1585 | switch (command) { | |
37aa5c36 GL |
1586 | case MLX5_IB_MMAP_WC_PAGE: |
1587 | case MLX5_IB_MMAP_NC_PAGE: | |
e126ba97 | 1588 | case MLX5_IB_MMAP_REGULAR_PAGE: |
7c2344c3 | 1589 | return uar_mmap(dev, command, vma, context); |
e126ba97 EC |
1590 | |
1591 | case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: | |
1592 | return -ENOSYS; | |
1593 | ||
d69e3bcf | 1594 | case MLX5_IB_MMAP_CORE_CLOCK: |
d69e3bcf MB |
1595 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
1596 | return -EINVAL; | |
1597 | ||
6cbac1e4 | 1598 | if (vma->vm_flags & VM_WRITE) |
d69e3bcf MB |
1599 | return -EPERM; |
1600 | ||
1601 | /* Don't expose to user-space information it shouldn't have */ | |
1602 | if (PAGE_SIZE > 4096) | |
1603 | return -EOPNOTSUPP; | |
1604 | ||
1605 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
1606 | pfn = (dev->mdev->iseg_base + | |
1607 | offsetof(struct mlx5_init_seg, internal_timer_h)) >> | |
1608 | PAGE_SHIFT; | |
1609 | if (io_remap_pfn_range(vma, vma->vm_start, pfn, | |
1610 | PAGE_SIZE, vma->vm_page_prot)) | |
1611 | return -EAGAIN; | |
1612 | ||
1613 | mlx5_ib_dbg(dev, "mapped internal timer at 0x%lx, PA 0x%llx\n", | |
1614 | vma->vm_start, | |
1615 | (unsigned long long)pfn << PAGE_SHIFT); | |
1616 | break; | |
d69e3bcf | 1617 | |
e126ba97 EC |
1618 | default: |
1619 | return -EINVAL; | |
1620 | } | |
1621 | ||
1622 | return 0; | |
1623 | } | |
1624 | ||
e126ba97 EC |
1625 | static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, |
1626 | struct ib_ucontext *context, | |
1627 | struct ib_udata *udata) | |
1628 | { | |
1629 | struct mlx5_ib_alloc_pd_resp resp; | |
1630 | struct mlx5_ib_pd *pd; | |
1631 | int err; | |
1632 | ||
1633 | pd = kmalloc(sizeof(*pd), GFP_KERNEL); | |
1634 | if (!pd) | |
1635 | return ERR_PTR(-ENOMEM); | |
1636 | ||
9603b61d | 1637 | err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn); |
e126ba97 EC |
1638 | if (err) { |
1639 | kfree(pd); | |
1640 | return ERR_PTR(err); | |
1641 | } | |
1642 | ||
1643 | if (context) { | |
1644 | resp.pdn = pd->pdn; | |
1645 | if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { | |
9603b61d | 1646 | mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); |
e126ba97 EC |
1647 | kfree(pd); |
1648 | return ERR_PTR(-EFAULT); | |
1649 | } | |
e126ba97 EC |
1650 | } |
1651 | ||
1652 | return &pd->ibpd; | |
1653 | } | |
1654 | ||
1655 | static int mlx5_ib_dealloc_pd(struct ib_pd *pd) | |
1656 | { | |
1657 | struct mlx5_ib_dev *mdev = to_mdev(pd->device); | |
1658 | struct mlx5_ib_pd *mpd = to_mpd(pd); | |
1659 | ||
9603b61d | 1660 | mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); |
e126ba97 EC |
1661 | kfree(mpd); |
1662 | ||
1663 | return 0; | |
1664 | } | |
1665 | ||
466fa6d2 MG |
1666 | enum { |
1667 | MATCH_CRITERIA_ENABLE_OUTER_BIT, | |
1668 | MATCH_CRITERIA_ENABLE_MISC_BIT, | |
1669 | MATCH_CRITERIA_ENABLE_INNER_BIT | |
1670 | }; | |
1671 | ||
1672 | #define HEADER_IS_ZERO(match_criteria, headers) \ | |
1673 | !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ | |
1674 | 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ | |
038d2ef8 | 1675 | |
466fa6d2 | 1676 | static u8 get_match_criteria_enable(u32 *match_criteria) |
038d2ef8 | 1677 | { |
466fa6d2 | 1678 | u8 match_criteria_enable; |
038d2ef8 | 1679 | |
466fa6d2 MG |
1680 | match_criteria_enable = |
1681 | (!HEADER_IS_ZERO(match_criteria, outer_headers)) << | |
1682 | MATCH_CRITERIA_ENABLE_OUTER_BIT; | |
1683 | match_criteria_enable |= | |
1684 | (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << | |
1685 | MATCH_CRITERIA_ENABLE_MISC_BIT; | |
1686 | match_criteria_enable |= | |
1687 | (!HEADER_IS_ZERO(match_criteria, inner_headers)) << | |
1688 | MATCH_CRITERIA_ENABLE_INNER_BIT; | |
1689 | ||
1690 | return match_criteria_enable; | |
038d2ef8 MG |
1691 | } |
1692 | ||
ca0d4753 MG |
1693 | static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) |
1694 | { | |
1695 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); | |
1696 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); | |
038d2ef8 MG |
1697 | } |
1698 | ||
2d1e697e MR |
1699 | static void set_flow_label(void *misc_c, void *misc_v, u8 mask, u8 val, |
1700 | bool inner) | |
1701 | { | |
1702 | if (inner) { | |
1703 | MLX5_SET(fte_match_set_misc, | |
1704 | misc_c, inner_ipv6_flow_label, mask); | |
1705 | MLX5_SET(fte_match_set_misc, | |
1706 | misc_v, inner_ipv6_flow_label, val); | |
1707 | } else { | |
1708 | MLX5_SET(fte_match_set_misc, | |
1709 | misc_c, outer_ipv6_flow_label, mask); | |
1710 | MLX5_SET(fte_match_set_misc, | |
1711 | misc_v, outer_ipv6_flow_label, val); | |
1712 | } | |
1713 | } | |
1714 | ||
ca0d4753 MG |
1715 | static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) |
1716 | { | |
1717 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); | |
1718 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); | |
1719 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); | |
1720 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); | |
1721 | } | |
1722 | ||
c47ac6ae MG |
1723 | #define LAST_ETH_FIELD vlan_tag |
1724 | #define LAST_IB_FIELD sl | |
ca0d4753 | 1725 | #define LAST_IPV4_FIELD tos |
466fa6d2 | 1726 | #define LAST_IPV6_FIELD traffic_class |
c47ac6ae | 1727 | #define LAST_TCP_UDP_FIELD src_port |
ffb30d8f | 1728 | #define LAST_TUNNEL_FIELD tunnel_id |
2ac693f9 | 1729 | #define LAST_FLOW_TAG_FIELD tag_id |
c47ac6ae MG |
1730 | |
1731 | /* Field is the last supported field */ | |
1732 | #define FIELDS_NOT_SUPPORTED(filter, field)\ | |
1733 | memchr_inv((void *)&filter.field +\ | |
1734 | sizeof(filter.field), 0,\ | |
1735 | sizeof(filter) -\ | |
1736 | offsetof(typeof(filter), field) -\ | |
1737 | sizeof(filter.field)) | |
1738 | ||
038d2ef8 | 1739 | static int parse_flow_attr(u32 *match_c, u32 *match_v, |
2ac693f9 | 1740 | const union ib_flow_spec *ib_spec, u32 *tag_id) |
038d2ef8 | 1741 | { |
466fa6d2 MG |
1742 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, |
1743 | misc_parameters); | |
1744 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
1745 | misc_parameters); | |
2d1e697e MR |
1746 | void *headers_c; |
1747 | void *headers_v; | |
1748 | ||
1749 | if (ib_spec->type & IB_FLOW_SPEC_INNER) { | |
1750 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
1751 | inner_headers); | |
1752 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
1753 | inner_headers); | |
1754 | } else { | |
1755 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
1756 | outer_headers); | |
1757 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
1758 | outer_headers); | |
1759 | } | |
466fa6d2 | 1760 | |
2d1e697e | 1761 | switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) { |
038d2ef8 | 1762 | case IB_FLOW_SPEC_ETH: |
c47ac6ae | 1763 | if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) |
1ffd3a26 | 1764 | return -EOPNOTSUPP; |
038d2ef8 | 1765 | |
2d1e697e | 1766 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
1767 | dmac_47_16), |
1768 | ib_spec->eth.mask.dst_mac); | |
2d1e697e | 1769 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1770 | dmac_47_16), |
1771 | ib_spec->eth.val.dst_mac); | |
1772 | ||
2d1e697e | 1773 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
ee3da804 MG |
1774 | smac_47_16), |
1775 | ib_spec->eth.mask.src_mac); | |
2d1e697e | 1776 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
ee3da804 MG |
1777 | smac_47_16), |
1778 | ib_spec->eth.val.src_mac); | |
1779 | ||
038d2ef8 | 1780 | if (ib_spec->eth.mask.vlan_tag) { |
2d1e697e | 1781 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
10543365 | 1782 | cvlan_tag, 1); |
2d1e697e | 1783 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
10543365 | 1784 | cvlan_tag, 1); |
038d2ef8 | 1785 | |
2d1e697e | 1786 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 1787 | first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); |
2d1e697e | 1788 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1789 | first_vid, ntohs(ib_spec->eth.val.vlan_tag)); |
1790 | ||
2d1e697e | 1791 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
1792 | first_cfi, |
1793 | ntohs(ib_spec->eth.mask.vlan_tag) >> 12); | |
2d1e697e | 1794 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1795 | first_cfi, |
1796 | ntohs(ib_spec->eth.val.vlan_tag) >> 12); | |
1797 | ||
2d1e697e | 1798 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
1799 | first_prio, |
1800 | ntohs(ib_spec->eth.mask.vlan_tag) >> 13); | |
2d1e697e | 1801 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1802 | first_prio, |
1803 | ntohs(ib_spec->eth.val.vlan_tag) >> 13); | |
1804 | } | |
2d1e697e | 1805 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 1806 | ethertype, ntohs(ib_spec->eth.mask.ether_type)); |
2d1e697e | 1807 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1808 | ethertype, ntohs(ib_spec->eth.val.ether_type)); |
1809 | break; | |
1810 | case IB_FLOW_SPEC_IPV4: | |
c47ac6ae | 1811 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) |
1ffd3a26 | 1812 | return -EOPNOTSUPP; |
038d2ef8 | 1813 | |
2d1e697e | 1814 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 1815 | ethertype, 0xffff); |
2d1e697e | 1816 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1817 | ethertype, ETH_P_IP); |
1818 | ||
2d1e697e | 1819 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
1820 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
1821 | &ib_spec->ipv4.mask.src_ip, | |
1822 | sizeof(ib_spec->ipv4.mask.src_ip)); | |
2d1e697e | 1823 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1824 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
1825 | &ib_spec->ipv4.val.src_ip, | |
1826 | sizeof(ib_spec->ipv4.val.src_ip)); | |
2d1e697e | 1827 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
1828 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
1829 | &ib_spec->ipv4.mask.dst_ip, | |
1830 | sizeof(ib_spec->ipv4.mask.dst_ip)); | |
2d1e697e | 1831 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
1832 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
1833 | &ib_spec->ipv4.val.dst_ip, | |
1834 | sizeof(ib_spec->ipv4.val.dst_ip)); | |
ca0d4753 | 1835 | |
2d1e697e | 1836 | set_tos(headers_c, headers_v, |
ca0d4753 MG |
1837 | ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); |
1838 | ||
2d1e697e | 1839 | set_proto(headers_c, headers_v, |
ca0d4753 | 1840 | ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); |
038d2ef8 | 1841 | break; |
026bae0c | 1842 | case IB_FLOW_SPEC_IPV6: |
c47ac6ae | 1843 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) |
1ffd3a26 | 1844 | return -EOPNOTSUPP; |
026bae0c | 1845 | |
2d1e697e | 1846 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
026bae0c | 1847 | ethertype, 0xffff); |
2d1e697e | 1848 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
1849 | ethertype, ETH_P_IPV6); |
1850 | ||
2d1e697e | 1851 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
1852 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
1853 | &ib_spec->ipv6.mask.src_ip, | |
1854 | sizeof(ib_spec->ipv6.mask.src_ip)); | |
2d1e697e | 1855 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
1856 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
1857 | &ib_spec->ipv6.val.src_ip, | |
1858 | sizeof(ib_spec->ipv6.val.src_ip)); | |
2d1e697e | 1859 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
1860 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
1861 | &ib_spec->ipv6.mask.dst_ip, | |
1862 | sizeof(ib_spec->ipv6.mask.dst_ip)); | |
2d1e697e | 1863 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
1864 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
1865 | &ib_spec->ipv6.val.dst_ip, | |
1866 | sizeof(ib_spec->ipv6.val.dst_ip)); | |
466fa6d2 | 1867 | |
2d1e697e | 1868 | set_tos(headers_c, headers_v, |
466fa6d2 MG |
1869 | ib_spec->ipv6.mask.traffic_class, |
1870 | ib_spec->ipv6.val.traffic_class); | |
1871 | ||
2d1e697e | 1872 | set_proto(headers_c, headers_v, |
466fa6d2 MG |
1873 | ib_spec->ipv6.mask.next_hdr, |
1874 | ib_spec->ipv6.val.next_hdr); | |
1875 | ||
2d1e697e MR |
1876 | set_flow_label(misc_params_c, misc_params_v, |
1877 | ntohl(ib_spec->ipv6.mask.flow_label), | |
1878 | ntohl(ib_spec->ipv6.val.flow_label), | |
1879 | ib_spec->type & IB_FLOW_SPEC_INNER); | |
1880 | ||
026bae0c | 1881 | break; |
038d2ef8 | 1882 | case IB_FLOW_SPEC_TCP: |
c47ac6ae MG |
1883 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
1884 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 1885 | return -EOPNOTSUPP; |
038d2ef8 | 1886 | |
2d1e697e | 1887 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, |
038d2ef8 | 1888 | 0xff); |
2d1e697e | 1889 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, |
038d2ef8 MG |
1890 | IPPROTO_TCP); |
1891 | ||
2d1e697e | 1892 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_sport, |
038d2ef8 | 1893 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 1894 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport, |
038d2ef8 MG |
1895 | ntohs(ib_spec->tcp_udp.val.src_port)); |
1896 | ||
2d1e697e | 1897 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_dport, |
038d2ef8 | 1898 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 1899 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport, |
038d2ef8 MG |
1900 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
1901 | break; | |
1902 | case IB_FLOW_SPEC_UDP: | |
c47ac6ae MG |
1903 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
1904 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 1905 | return -EOPNOTSUPP; |
038d2ef8 | 1906 | |
2d1e697e | 1907 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, |
038d2ef8 | 1908 | 0xff); |
2d1e697e | 1909 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, |
038d2ef8 MG |
1910 | IPPROTO_UDP); |
1911 | ||
2d1e697e | 1912 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_sport, |
038d2ef8 | 1913 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 1914 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport, |
038d2ef8 MG |
1915 | ntohs(ib_spec->tcp_udp.val.src_port)); |
1916 | ||
2d1e697e | 1917 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport, |
038d2ef8 | 1918 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 1919 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, |
038d2ef8 MG |
1920 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
1921 | break; | |
ffb30d8f MR |
1922 | case IB_FLOW_SPEC_VXLAN_TUNNEL: |
1923 | if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask, | |
1924 | LAST_TUNNEL_FIELD)) | |
1ffd3a26 | 1925 | return -EOPNOTSUPP; |
ffb30d8f MR |
1926 | |
1927 | MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni, | |
1928 | ntohl(ib_spec->tunnel.mask.tunnel_id)); | |
1929 | MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni, | |
1930 | ntohl(ib_spec->tunnel.val.tunnel_id)); | |
1931 | break; | |
2ac693f9 MR |
1932 | case IB_FLOW_SPEC_ACTION_TAG: |
1933 | if (FIELDS_NOT_SUPPORTED(ib_spec->flow_tag, | |
1934 | LAST_FLOW_TAG_FIELD)) | |
1935 | return -EOPNOTSUPP; | |
1936 | if (ib_spec->flow_tag.tag_id >= BIT(24)) | |
1937 | return -EINVAL; | |
1938 | ||
1939 | *tag_id = ib_spec->flow_tag.tag_id; | |
1940 | break; | |
038d2ef8 MG |
1941 | default: |
1942 | return -EINVAL; | |
1943 | } | |
1944 | ||
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | /* If a flow could catch both multicast and unicast packets, | |
1949 | * it won't fall into the multicast flow steering table and this rule | |
1950 | * could steal other multicast packets. | |
1951 | */ | |
1952 | static bool flow_is_multicast_only(struct ib_flow_attr *ib_attr) | |
1953 | { | |
1954 | struct ib_flow_spec_eth *eth_spec; | |
1955 | ||
1956 | if (ib_attr->type != IB_FLOW_ATTR_NORMAL || | |
1957 | ib_attr->size < sizeof(struct ib_flow_attr) + | |
1958 | sizeof(struct ib_flow_spec_eth) || | |
1959 | ib_attr->num_of_specs < 1) | |
1960 | return false; | |
1961 | ||
1962 | eth_spec = (struct ib_flow_spec_eth *)(ib_attr + 1); | |
1963 | if (eth_spec->type != IB_FLOW_SPEC_ETH || | |
1964 | eth_spec->size != sizeof(*eth_spec)) | |
1965 | return false; | |
1966 | ||
1967 | return is_multicast_ether_addr(eth_spec->mask.dst_mac) && | |
1968 | is_multicast_ether_addr(eth_spec->val.dst_mac); | |
1969 | } | |
1970 | ||
0f750966 AL |
1971 | static bool is_valid_ethertype(const struct ib_flow_attr *flow_attr, |
1972 | bool check_inner) | |
038d2ef8 MG |
1973 | { |
1974 | union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); | |
0f750966 AL |
1975 | int inner_bit = check_inner ? IB_FLOW_SPEC_INNER : 0; |
1976 | bool ipv4_spec_valid, ipv6_spec_valid; | |
1977 | unsigned int ip_spec_type = 0; | |
1978 | bool has_ethertype = false; | |
038d2ef8 | 1979 | unsigned int spec_index; |
0f750966 AL |
1980 | bool mask_valid = true; |
1981 | u16 eth_type = 0; | |
1982 | bool type_valid; | |
038d2ef8 MG |
1983 | |
1984 | /* Validate that ethertype is correct */ | |
1985 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
0f750966 | 1986 | if ((ib_spec->type == (IB_FLOW_SPEC_ETH | inner_bit)) && |
038d2ef8 | 1987 | ib_spec->eth.mask.ether_type) { |
0f750966 AL |
1988 | mask_valid = (ib_spec->eth.mask.ether_type == |
1989 | htons(0xffff)); | |
1990 | has_ethertype = true; | |
1991 | eth_type = ntohs(ib_spec->eth.val.ether_type); | |
1992 | } else if ((ib_spec->type == (IB_FLOW_SPEC_IPV4 | inner_bit)) || | |
1993 | (ib_spec->type == (IB_FLOW_SPEC_IPV6 | inner_bit))) { | |
1994 | ip_spec_type = ib_spec->type; | |
038d2ef8 MG |
1995 | } |
1996 | ib_spec = (void *)ib_spec + ib_spec->size; | |
1997 | } | |
0f750966 AL |
1998 | |
1999 | type_valid = (!has_ethertype) || (!ip_spec_type); | |
2000 | if (!type_valid && mask_valid) { | |
2001 | ipv4_spec_valid = (eth_type == ETH_P_IP) && | |
2002 | (ip_spec_type == (IB_FLOW_SPEC_IPV4 | inner_bit)); | |
2003 | ipv6_spec_valid = (eth_type == ETH_P_IPV6) && | |
2004 | (ip_spec_type == (IB_FLOW_SPEC_IPV6 | inner_bit)); | |
2005 | type_valid = ipv4_spec_valid || ipv6_spec_valid; | |
2006 | } | |
2007 | ||
2008 | return type_valid; | |
2009 | } | |
2010 | ||
2011 | static bool is_valid_attr(const struct ib_flow_attr *flow_attr) | |
2012 | { | |
2013 | return is_valid_ethertype(flow_attr, false) && | |
2014 | is_valid_ethertype(flow_attr, true); | |
038d2ef8 MG |
2015 | } |
2016 | ||
2017 | static void put_flow_table(struct mlx5_ib_dev *dev, | |
2018 | struct mlx5_ib_flow_prio *prio, bool ft_added) | |
2019 | { | |
2020 | prio->refcount -= !!ft_added; | |
2021 | if (!prio->refcount) { | |
2022 | mlx5_destroy_flow_table(prio->flow_table); | |
2023 | prio->flow_table = NULL; | |
2024 | } | |
2025 | } | |
2026 | ||
2027 | static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) | |
2028 | { | |
2029 | struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); | |
2030 | struct mlx5_ib_flow_handler *handler = container_of(flow_id, | |
2031 | struct mlx5_ib_flow_handler, | |
2032 | ibflow); | |
2033 | struct mlx5_ib_flow_handler *iter, *tmp; | |
2034 | ||
2035 | mutex_lock(&dev->flow_db.lock); | |
2036 | ||
2037 | list_for_each_entry_safe(iter, tmp, &handler->list, list) { | |
74491de9 | 2038 | mlx5_del_flow_rules(iter->rule); |
cc0e5d42 | 2039 | put_flow_table(dev, iter->prio, true); |
038d2ef8 MG |
2040 | list_del(&iter->list); |
2041 | kfree(iter); | |
2042 | } | |
2043 | ||
74491de9 | 2044 | mlx5_del_flow_rules(handler->rule); |
5497adc6 | 2045 | put_flow_table(dev, handler->prio, true); |
038d2ef8 MG |
2046 | mutex_unlock(&dev->flow_db.lock); |
2047 | ||
2048 | kfree(handler); | |
2049 | ||
2050 | return 0; | |
2051 | } | |
2052 | ||
35d19011 MG |
2053 | static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) |
2054 | { | |
2055 | priority *= 2; | |
2056 | if (!dont_trap) | |
2057 | priority++; | |
2058 | return priority; | |
2059 | } | |
2060 | ||
cc0e5d42 MG |
2061 | enum flow_table_type { |
2062 | MLX5_IB_FT_RX, | |
2063 | MLX5_IB_FT_TX | |
2064 | }; | |
2065 | ||
00b7c2ab MG |
2066 | #define MLX5_FS_MAX_TYPES 6 |
2067 | #define MLX5_FS_MAX_ENTRIES BIT(16) | |
038d2ef8 | 2068 | static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, |
cc0e5d42 MG |
2069 | struct ib_flow_attr *flow_attr, |
2070 | enum flow_table_type ft_type) | |
038d2ef8 | 2071 | { |
35d19011 | 2072 | bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; |
038d2ef8 MG |
2073 | struct mlx5_flow_namespace *ns = NULL; |
2074 | struct mlx5_ib_flow_prio *prio; | |
2075 | struct mlx5_flow_table *ft; | |
dac388ef | 2076 | int max_table_size; |
038d2ef8 MG |
2077 | int num_entries; |
2078 | int num_groups; | |
2079 | int priority; | |
2080 | int err = 0; | |
2081 | ||
dac388ef MG |
2082 | max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, |
2083 | log_max_ft_size)); | |
038d2ef8 | 2084 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
35d19011 MG |
2085 | if (flow_is_multicast_only(flow_attr) && |
2086 | !dont_trap) | |
038d2ef8 MG |
2087 | priority = MLX5_IB_FLOW_MCAST_PRIO; |
2088 | else | |
35d19011 MG |
2089 | priority = ib_prio_to_core_prio(flow_attr->priority, |
2090 | dont_trap); | |
038d2ef8 MG |
2091 | ns = mlx5_get_flow_namespace(dev->mdev, |
2092 | MLX5_FLOW_NAMESPACE_BYPASS); | |
2093 | num_entries = MLX5_FS_MAX_ENTRIES; | |
2094 | num_groups = MLX5_FS_MAX_TYPES; | |
2095 | prio = &dev->flow_db.prios[priority]; | |
2096 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || | |
2097 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
2098 | ns = mlx5_get_flow_namespace(dev->mdev, | |
2099 | MLX5_FLOW_NAMESPACE_LEFTOVERS); | |
2100 | build_leftovers_ft_param(&priority, | |
2101 | &num_entries, | |
2102 | &num_groups); | |
2103 | prio = &dev->flow_db.prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; | |
cc0e5d42 MG |
2104 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2105 | if (!MLX5_CAP_FLOWTABLE(dev->mdev, | |
2106 | allow_sniffer_and_nic_rx_shared_tir)) | |
2107 | return ERR_PTR(-ENOTSUPP); | |
2108 | ||
2109 | ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? | |
2110 | MLX5_FLOW_NAMESPACE_SNIFFER_RX : | |
2111 | MLX5_FLOW_NAMESPACE_SNIFFER_TX); | |
2112 | ||
2113 | prio = &dev->flow_db.sniffer[ft_type]; | |
2114 | priority = 0; | |
2115 | num_entries = 1; | |
2116 | num_groups = 1; | |
038d2ef8 MG |
2117 | } |
2118 | ||
2119 | if (!ns) | |
2120 | return ERR_PTR(-ENOTSUPP); | |
2121 | ||
dac388ef MG |
2122 | if (num_entries > max_table_size) |
2123 | return ERR_PTR(-ENOMEM); | |
2124 | ||
038d2ef8 MG |
2125 | ft = prio->flow_table; |
2126 | if (!ft) { | |
2127 | ft = mlx5_create_auto_grouped_flow_table(ns, priority, | |
2128 | num_entries, | |
d63cd286 | 2129 | num_groups, |
c9f1b073 | 2130 | 0, 0); |
038d2ef8 MG |
2131 | |
2132 | if (!IS_ERR(ft)) { | |
2133 | prio->refcount = 0; | |
2134 | prio->flow_table = ft; | |
2135 | } else { | |
2136 | err = PTR_ERR(ft); | |
2137 | } | |
2138 | } | |
2139 | ||
2140 | return err ? ERR_PTR(err) : prio; | |
2141 | } | |
2142 | ||
2143 | static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, | |
2144 | struct mlx5_ib_flow_prio *ft_prio, | |
dd063d0e | 2145 | const struct ib_flow_attr *flow_attr, |
038d2ef8 MG |
2146 | struct mlx5_flow_destination *dst) |
2147 | { | |
2148 | struct mlx5_flow_table *ft = ft_prio->flow_table; | |
2149 | struct mlx5_ib_flow_handler *handler; | |
66958ed9 | 2150 | struct mlx5_flow_act flow_act = {0}; |
c5bb1730 | 2151 | struct mlx5_flow_spec *spec; |
dd063d0e | 2152 | const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); |
038d2ef8 | 2153 | unsigned int spec_index; |
2ac693f9 | 2154 | u32 flow_tag = MLX5_FS_DEFAULT_FLOW_TAG; |
038d2ef8 MG |
2155 | int err = 0; |
2156 | ||
2157 | if (!is_valid_attr(flow_attr)) | |
2158 | return ERR_PTR(-EINVAL); | |
2159 | ||
c5bb1730 | 2160 | spec = mlx5_vzalloc(sizeof(*spec)); |
038d2ef8 | 2161 | handler = kzalloc(sizeof(*handler), GFP_KERNEL); |
c5bb1730 | 2162 | if (!handler || !spec) { |
038d2ef8 MG |
2163 | err = -ENOMEM; |
2164 | goto free; | |
2165 | } | |
2166 | ||
2167 | INIT_LIST_HEAD(&handler->list); | |
2168 | ||
2169 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
c5bb1730 | 2170 | err = parse_flow_attr(spec->match_criteria, |
2ac693f9 | 2171 | spec->match_value, ib_flow, &flow_tag); |
038d2ef8 MG |
2172 | if (err < 0) |
2173 | goto free; | |
2174 | ||
2175 | ib_flow += ((union ib_flow_spec *)ib_flow)->size; | |
2176 | } | |
2177 | ||
466fa6d2 | 2178 | spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); |
66958ed9 | 2179 | flow_act.action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : |
35d19011 | 2180 | MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; |
2ac693f9 MR |
2181 | |
2182 | if (flow_tag != MLX5_FS_DEFAULT_FLOW_TAG && | |
2183 | (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || | |
2184 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) { | |
2185 | mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't allowed in leftovers\n", | |
2186 | flow_tag, flow_attr->type); | |
2187 | err = -EINVAL; | |
2188 | goto free; | |
2189 | } | |
2190 | flow_act.flow_tag = flow_tag; | |
74491de9 | 2191 | handler->rule = mlx5_add_flow_rules(ft, spec, |
66958ed9 HHZ |
2192 | &flow_act, |
2193 | dst, 1); | |
038d2ef8 MG |
2194 | |
2195 | if (IS_ERR(handler->rule)) { | |
2196 | err = PTR_ERR(handler->rule); | |
2197 | goto free; | |
2198 | } | |
2199 | ||
d9d4980a | 2200 | ft_prio->refcount++; |
5497adc6 | 2201 | handler->prio = ft_prio; |
038d2ef8 MG |
2202 | |
2203 | ft_prio->flow_table = ft; | |
2204 | free: | |
2205 | if (err) | |
2206 | kfree(handler); | |
c5bb1730 | 2207 | kvfree(spec); |
038d2ef8 MG |
2208 | return err ? ERR_PTR(err) : handler; |
2209 | } | |
2210 | ||
35d19011 MG |
2211 | static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, |
2212 | struct mlx5_ib_flow_prio *ft_prio, | |
2213 | struct ib_flow_attr *flow_attr, | |
2214 | struct mlx5_flow_destination *dst) | |
2215 | { | |
2216 | struct mlx5_ib_flow_handler *handler_dst = NULL; | |
2217 | struct mlx5_ib_flow_handler *handler = NULL; | |
2218 | ||
2219 | handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); | |
2220 | if (!IS_ERR(handler)) { | |
2221 | handler_dst = create_flow_rule(dev, ft_prio, | |
2222 | flow_attr, dst); | |
2223 | if (IS_ERR(handler_dst)) { | |
74491de9 | 2224 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 2225 | ft_prio->refcount--; |
35d19011 MG |
2226 | kfree(handler); |
2227 | handler = handler_dst; | |
2228 | } else { | |
2229 | list_add(&handler_dst->list, &handler->list); | |
2230 | } | |
2231 | } | |
2232 | ||
2233 | return handler; | |
2234 | } | |
038d2ef8 MG |
2235 | enum { |
2236 | LEFTOVERS_MC, | |
2237 | LEFTOVERS_UC, | |
2238 | }; | |
2239 | ||
2240 | static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, | |
2241 | struct mlx5_ib_flow_prio *ft_prio, | |
2242 | struct ib_flow_attr *flow_attr, | |
2243 | struct mlx5_flow_destination *dst) | |
2244 | { | |
2245 | struct mlx5_ib_flow_handler *handler_ucast = NULL; | |
2246 | struct mlx5_ib_flow_handler *handler = NULL; | |
2247 | ||
2248 | static struct { | |
2249 | struct ib_flow_attr flow_attr; | |
2250 | struct ib_flow_spec_eth eth_flow; | |
2251 | } leftovers_specs[] = { | |
2252 | [LEFTOVERS_MC] = { | |
2253 | .flow_attr = { | |
2254 | .num_of_specs = 1, | |
2255 | .size = sizeof(leftovers_specs[0]) | |
2256 | }, | |
2257 | .eth_flow = { | |
2258 | .type = IB_FLOW_SPEC_ETH, | |
2259 | .size = sizeof(struct ib_flow_spec_eth), | |
2260 | .mask = {.dst_mac = {0x1} }, | |
2261 | .val = {.dst_mac = {0x1} } | |
2262 | } | |
2263 | }, | |
2264 | [LEFTOVERS_UC] = { | |
2265 | .flow_attr = { | |
2266 | .num_of_specs = 1, | |
2267 | .size = sizeof(leftovers_specs[0]) | |
2268 | }, | |
2269 | .eth_flow = { | |
2270 | .type = IB_FLOW_SPEC_ETH, | |
2271 | .size = sizeof(struct ib_flow_spec_eth), | |
2272 | .mask = {.dst_mac = {0x1} }, | |
2273 | .val = {.dst_mac = {} } | |
2274 | } | |
2275 | } | |
2276 | }; | |
2277 | ||
2278 | handler = create_flow_rule(dev, ft_prio, | |
2279 | &leftovers_specs[LEFTOVERS_MC].flow_attr, | |
2280 | dst); | |
2281 | if (!IS_ERR(handler) && | |
2282 | flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { | |
2283 | handler_ucast = create_flow_rule(dev, ft_prio, | |
2284 | &leftovers_specs[LEFTOVERS_UC].flow_attr, | |
2285 | dst); | |
2286 | if (IS_ERR(handler_ucast)) { | |
74491de9 | 2287 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 2288 | ft_prio->refcount--; |
038d2ef8 MG |
2289 | kfree(handler); |
2290 | handler = handler_ucast; | |
2291 | } else { | |
2292 | list_add(&handler_ucast->list, &handler->list); | |
2293 | } | |
2294 | } | |
2295 | ||
2296 | return handler; | |
2297 | } | |
2298 | ||
cc0e5d42 MG |
2299 | static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, |
2300 | struct mlx5_ib_flow_prio *ft_rx, | |
2301 | struct mlx5_ib_flow_prio *ft_tx, | |
2302 | struct mlx5_flow_destination *dst) | |
2303 | { | |
2304 | struct mlx5_ib_flow_handler *handler_rx; | |
2305 | struct mlx5_ib_flow_handler *handler_tx; | |
2306 | int err; | |
2307 | static const struct ib_flow_attr flow_attr = { | |
2308 | .num_of_specs = 0, | |
2309 | .size = sizeof(flow_attr) | |
2310 | }; | |
2311 | ||
2312 | handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); | |
2313 | if (IS_ERR(handler_rx)) { | |
2314 | err = PTR_ERR(handler_rx); | |
2315 | goto err; | |
2316 | } | |
2317 | ||
2318 | handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); | |
2319 | if (IS_ERR(handler_tx)) { | |
2320 | err = PTR_ERR(handler_tx); | |
2321 | goto err_tx; | |
2322 | } | |
2323 | ||
2324 | list_add(&handler_tx->list, &handler_rx->list); | |
2325 | ||
2326 | return handler_rx; | |
2327 | ||
2328 | err_tx: | |
74491de9 | 2329 | mlx5_del_flow_rules(handler_rx->rule); |
cc0e5d42 MG |
2330 | ft_rx->refcount--; |
2331 | kfree(handler_rx); | |
2332 | err: | |
2333 | return ERR_PTR(err); | |
2334 | } | |
2335 | ||
038d2ef8 MG |
2336 | static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, |
2337 | struct ib_flow_attr *flow_attr, | |
2338 | int domain) | |
2339 | { | |
2340 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
d9f88e5a | 2341 | struct mlx5_ib_qp *mqp = to_mqp(qp); |
038d2ef8 MG |
2342 | struct mlx5_ib_flow_handler *handler = NULL; |
2343 | struct mlx5_flow_destination *dst = NULL; | |
cc0e5d42 | 2344 | struct mlx5_ib_flow_prio *ft_prio_tx = NULL; |
038d2ef8 MG |
2345 | struct mlx5_ib_flow_prio *ft_prio; |
2346 | int err; | |
2347 | ||
2348 | if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) | |
dac388ef | 2349 | return ERR_PTR(-ENOMEM); |
038d2ef8 MG |
2350 | |
2351 | if (domain != IB_FLOW_DOMAIN_USER || | |
2352 | flow_attr->port > MLX5_CAP_GEN(dev->mdev, num_ports) || | |
35d19011 | 2353 | (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) |
038d2ef8 MG |
2354 | return ERR_PTR(-EINVAL); |
2355 | ||
2356 | dst = kzalloc(sizeof(*dst), GFP_KERNEL); | |
2357 | if (!dst) | |
2358 | return ERR_PTR(-ENOMEM); | |
2359 | ||
2360 | mutex_lock(&dev->flow_db.lock); | |
2361 | ||
cc0e5d42 | 2362 | ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); |
038d2ef8 MG |
2363 | if (IS_ERR(ft_prio)) { |
2364 | err = PTR_ERR(ft_prio); | |
2365 | goto unlock; | |
2366 | } | |
cc0e5d42 MG |
2367 | if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2368 | ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); | |
2369 | if (IS_ERR(ft_prio_tx)) { | |
2370 | err = PTR_ERR(ft_prio_tx); | |
2371 | ft_prio_tx = NULL; | |
2372 | goto destroy_ft; | |
2373 | } | |
2374 | } | |
038d2ef8 MG |
2375 | |
2376 | dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; | |
d9f88e5a YH |
2377 | if (mqp->flags & MLX5_IB_QP_RSS) |
2378 | dst->tir_num = mqp->rss_qp.tirn; | |
2379 | else | |
2380 | dst->tir_num = mqp->raw_packet_qp.rq.tirn; | |
038d2ef8 MG |
2381 | |
2382 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { | |
35d19011 MG |
2383 | if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { |
2384 | handler = create_dont_trap_rule(dev, ft_prio, | |
2385 | flow_attr, dst); | |
2386 | } else { | |
2387 | handler = create_flow_rule(dev, ft_prio, flow_attr, | |
2388 | dst); | |
2389 | } | |
038d2ef8 MG |
2390 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
2391 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
2392 | handler = create_leftovers_rule(dev, ft_prio, flow_attr, | |
2393 | dst); | |
cc0e5d42 MG |
2394 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2395 | handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); | |
038d2ef8 MG |
2396 | } else { |
2397 | err = -EINVAL; | |
2398 | goto destroy_ft; | |
2399 | } | |
2400 | ||
2401 | if (IS_ERR(handler)) { | |
2402 | err = PTR_ERR(handler); | |
2403 | handler = NULL; | |
2404 | goto destroy_ft; | |
2405 | } | |
2406 | ||
038d2ef8 MG |
2407 | mutex_unlock(&dev->flow_db.lock); |
2408 | kfree(dst); | |
2409 | ||
2410 | return &handler->ibflow; | |
2411 | ||
2412 | destroy_ft: | |
2413 | put_flow_table(dev, ft_prio, false); | |
cc0e5d42 MG |
2414 | if (ft_prio_tx) |
2415 | put_flow_table(dev, ft_prio_tx, false); | |
038d2ef8 MG |
2416 | unlock: |
2417 | mutex_unlock(&dev->flow_db.lock); | |
2418 | kfree(dst); | |
2419 | kfree(handler); | |
2420 | return ERR_PTR(err); | |
2421 | } | |
2422 | ||
e126ba97 EC |
2423 | static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
2424 | { | |
2425 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2426 | int err; | |
2427 | ||
9603b61d | 2428 | err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
2429 | if (err) |
2430 | mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", | |
2431 | ibqp->qp_num, gid->raw); | |
2432 | ||
2433 | return err; | |
2434 | } | |
2435 | ||
2436 | static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
2437 | { | |
2438 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
2439 | int err; | |
2440 | ||
9603b61d | 2441 | err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
2442 | if (err) |
2443 | mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", | |
2444 | ibqp->qp_num, gid->raw); | |
2445 | ||
2446 | return err; | |
2447 | } | |
2448 | ||
2449 | static int init_node_data(struct mlx5_ib_dev *dev) | |
2450 | { | |
1b5daf11 | 2451 | int err; |
e126ba97 | 2452 | |
1b5daf11 | 2453 | err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); |
e126ba97 | 2454 | if (err) |
1b5daf11 | 2455 | return err; |
e126ba97 | 2456 | |
1b5daf11 | 2457 | dev->mdev->rev_id = dev->mdev->pdev->revision; |
e126ba97 | 2458 | |
1b5daf11 | 2459 | return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); |
e126ba97 EC |
2460 | } |
2461 | ||
2462 | static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, | |
2463 | char *buf) | |
2464 | { | |
2465 | struct mlx5_ib_dev *dev = | |
2466 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2467 | ||
9603b61d | 2468 | return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages); |
e126ba97 EC |
2469 | } |
2470 | ||
2471 | static ssize_t show_reg_pages(struct device *device, | |
2472 | struct device_attribute *attr, char *buf) | |
2473 | { | |
2474 | struct mlx5_ib_dev *dev = | |
2475 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2476 | ||
6aec21f6 | 2477 | return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); |
e126ba97 EC |
2478 | } |
2479 | ||
2480 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, | |
2481 | char *buf) | |
2482 | { | |
2483 | struct mlx5_ib_dev *dev = | |
2484 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 2485 | return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); |
e126ba97 EC |
2486 | } |
2487 | ||
e126ba97 EC |
2488 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
2489 | char *buf) | |
2490 | { | |
2491 | struct mlx5_ib_dev *dev = | |
2492 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 2493 | return sprintf(buf, "%x\n", dev->mdev->rev_id); |
e126ba97 EC |
2494 | } |
2495 | ||
2496 | static ssize_t show_board(struct device *device, struct device_attribute *attr, | |
2497 | char *buf) | |
2498 | { | |
2499 | struct mlx5_ib_dev *dev = | |
2500 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
2501 | return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, | |
9603b61d | 2502 | dev->mdev->board_id); |
e126ba97 EC |
2503 | } |
2504 | ||
2505 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
e126ba97 EC |
2506 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
2507 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
2508 | static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); | |
2509 | static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); | |
2510 | ||
2511 | static struct device_attribute *mlx5_class_attributes[] = { | |
2512 | &dev_attr_hw_rev, | |
e126ba97 EC |
2513 | &dev_attr_hca_type, |
2514 | &dev_attr_board_id, | |
2515 | &dev_attr_fw_pages, | |
2516 | &dev_attr_reg_pages, | |
2517 | }; | |
2518 | ||
7722f47e HE |
2519 | static void pkey_change_handler(struct work_struct *work) |
2520 | { | |
2521 | struct mlx5_ib_port_resources *ports = | |
2522 | container_of(work, struct mlx5_ib_port_resources, | |
2523 | pkey_change_work); | |
2524 | ||
2525 | mutex_lock(&ports->devr->mutex); | |
2526 | mlx5_ib_gsi_pkey_change(ports->gsi); | |
2527 | mutex_unlock(&ports->devr->mutex); | |
2528 | } | |
2529 | ||
89ea94a7 MG |
2530 | static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) |
2531 | { | |
2532 | struct mlx5_ib_qp *mqp; | |
2533 | struct mlx5_ib_cq *send_mcq, *recv_mcq; | |
2534 | struct mlx5_core_cq *mcq; | |
2535 | struct list_head cq_armed_list; | |
2536 | unsigned long flags_qp; | |
2537 | unsigned long flags_cq; | |
2538 | unsigned long flags; | |
2539 | ||
2540 | INIT_LIST_HEAD(&cq_armed_list); | |
2541 | ||
2542 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
2543 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
2544 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
2545 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
2546 | if (mqp->sq.tail != mqp->sq.head) { | |
2547 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
2548 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
2549 | if (send_mcq->mcq.comp && | |
2550 | mqp->ibqp.send_cq->comp_handler) { | |
2551 | if (!send_mcq->mcq.reset_notify_added) { | |
2552 | send_mcq->mcq.reset_notify_added = 1; | |
2553 | list_add_tail(&send_mcq->mcq.reset_notify, | |
2554 | &cq_armed_list); | |
2555 | } | |
2556 | } | |
2557 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
2558 | } | |
2559 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
2560 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
2561 | /* no handling is needed for SRQ */ | |
2562 | if (!mqp->ibqp.srq) { | |
2563 | if (mqp->rq.tail != mqp->rq.head) { | |
2564 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
2565 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
2566 | if (recv_mcq->mcq.comp && | |
2567 | mqp->ibqp.recv_cq->comp_handler) { | |
2568 | if (!recv_mcq->mcq.reset_notify_added) { | |
2569 | recv_mcq->mcq.reset_notify_added = 1; | |
2570 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
2571 | &cq_armed_list); | |
2572 | } | |
2573 | } | |
2574 | spin_unlock_irqrestore(&recv_mcq->lock, | |
2575 | flags_cq); | |
2576 | } | |
2577 | } | |
2578 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
2579 | } | |
2580 | /*At that point all inflight post send were put to be executed as of we | |
2581 | * lock/unlock above locks Now need to arm all involved CQs. | |
2582 | */ | |
2583 | list_for_each_entry(mcq, &cq_armed_list, reset_notify) { | |
2584 | mcq->comp(mcq); | |
2585 | } | |
2586 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
2587 | } | |
2588 | ||
9603b61d | 2589 | static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, |
4d2f9bbb | 2590 | enum mlx5_dev_event event, unsigned long param) |
e126ba97 | 2591 | { |
9603b61d | 2592 | struct mlx5_ib_dev *ibdev = (struct mlx5_ib_dev *)context; |
e126ba97 | 2593 | struct ib_event ibev; |
dbaaff2a | 2594 | bool fatal = false; |
e126ba97 EC |
2595 | u8 port = 0; |
2596 | ||
2597 | switch (event) { | |
2598 | case MLX5_DEV_EVENT_SYS_ERROR: | |
e126ba97 | 2599 | ibev.event = IB_EVENT_DEVICE_FATAL; |
89ea94a7 | 2600 | mlx5_ib_handle_internal_error(ibdev); |
dbaaff2a | 2601 | fatal = true; |
e126ba97 EC |
2602 | break; |
2603 | ||
2604 | case MLX5_DEV_EVENT_PORT_UP: | |
e126ba97 | 2605 | case MLX5_DEV_EVENT_PORT_DOWN: |
2788cf3b | 2606 | case MLX5_DEV_EVENT_PORT_INITIALIZED: |
4d2f9bbb | 2607 | port = (u8)param; |
5ec8c83e AH |
2608 | |
2609 | /* In RoCE, port up/down events are handled in | |
2610 | * mlx5_netdev_event(). | |
2611 | */ | |
2612 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == | |
2613 | IB_LINK_LAYER_ETHERNET) | |
2614 | return; | |
2615 | ||
2616 | ibev.event = (event == MLX5_DEV_EVENT_PORT_UP) ? | |
2617 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
e126ba97 EC |
2618 | break; |
2619 | ||
e126ba97 EC |
2620 | case MLX5_DEV_EVENT_LID_CHANGE: |
2621 | ibev.event = IB_EVENT_LID_CHANGE; | |
4d2f9bbb | 2622 | port = (u8)param; |
e126ba97 EC |
2623 | break; |
2624 | ||
2625 | case MLX5_DEV_EVENT_PKEY_CHANGE: | |
2626 | ibev.event = IB_EVENT_PKEY_CHANGE; | |
4d2f9bbb | 2627 | port = (u8)param; |
7722f47e HE |
2628 | |
2629 | schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); | |
e126ba97 EC |
2630 | break; |
2631 | ||
2632 | case MLX5_DEV_EVENT_GUID_CHANGE: | |
2633 | ibev.event = IB_EVENT_GID_CHANGE; | |
4d2f9bbb | 2634 | port = (u8)param; |
e126ba97 EC |
2635 | break; |
2636 | ||
2637 | case MLX5_DEV_EVENT_CLIENT_REREG: | |
2638 | ibev.event = IB_EVENT_CLIENT_REREGISTER; | |
4d2f9bbb | 2639 | port = (u8)param; |
e126ba97 | 2640 | break; |
bdc37924 SM |
2641 | default: |
2642 | return; | |
e126ba97 EC |
2643 | } |
2644 | ||
2645 | ibev.device = &ibdev->ib_dev; | |
2646 | ibev.element.port_num = port; | |
2647 | ||
a0c84c32 EC |
2648 | if (port < 1 || port > ibdev->num_ports) { |
2649 | mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); | |
2650 | return; | |
2651 | } | |
2652 | ||
e126ba97 EC |
2653 | if (ibdev->ib_active) |
2654 | ib_dispatch_event(&ibev); | |
dbaaff2a EC |
2655 | |
2656 | if (fatal) | |
2657 | ibdev->ib_active = false; | |
e126ba97 EC |
2658 | } |
2659 | ||
c43f1112 MG |
2660 | static int set_has_smi_cap(struct mlx5_ib_dev *dev) |
2661 | { | |
2662 | struct mlx5_hca_vport_context vport_ctx; | |
2663 | int err; | |
2664 | int port; | |
2665 | ||
2666 | for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { | |
2667 | dev->mdev->port_caps[port - 1].has_smi = false; | |
2668 | if (MLX5_CAP_GEN(dev->mdev, port_type) == | |
2669 | MLX5_CAP_PORT_TYPE_IB) { | |
2670 | if (MLX5_CAP_GEN(dev->mdev, ib_virt)) { | |
2671 | err = mlx5_query_hca_vport_context(dev->mdev, 0, | |
2672 | port, 0, | |
2673 | &vport_ctx); | |
2674 | if (err) { | |
2675 | mlx5_ib_err(dev, "query_hca_vport_context for port=%d failed %d\n", | |
2676 | port, err); | |
2677 | return err; | |
2678 | } | |
2679 | dev->mdev->port_caps[port - 1].has_smi = | |
2680 | vport_ctx.has_smi; | |
2681 | } else { | |
2682 | dev->mdev->port_caps[port - 1].has_smi = true; | |
2683 | } | |
2684 | } | |
2685 | } | |
2686 | return 0; | |
2687 | } | |
2688 | ||
e126ba97 EC |
2689 | static void get_ext_port_caps(struct mlx5_ib_dev *dev) |
2690 | { | |
2691 | int port; | |
2692 | ||
938fe83c | 2693 | for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) |
e126ba97 EC |
2694 | mlx5_query_ext_port_caps(dev, port); |
2695 | } | |
2696 | ||
2697 | static int get_port_caps(struct mlx5_ib_dev *dev) | |
2698 | { | |
2699 | struct ib_device_attr *dprops = NULL; | |
2700 | struct ib_port_attr *pprops = NULL; | |
f614fc15 | 2701 | int err = -ENOMEM; |
e126ba97 | 2702 | int port; |
2528e33e | 2703 | struct ib_udata uhw = {.inlen = 0, .outlen = 0}; |
e126ba97 EC |
2704 | |
2705 | pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); | |
2706 | if (!pprops) | |
2707 | goto out; | |
2708 | ||
2709 | dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); | |
2710 | if (!dprops) | |
2711 | goto out; | |
2712 | ||
c43f1112 MG |
2713 | err = set_has_smi_cap(dev); |
2714 | if (err) | |
2715 | goto out; | |
2716 | ||
2528e33e | 2717 | err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); |
e126ba97 EC |
2718 | if (err) { |
2719 | mlx5_ib_warn(dev, "query_device failed %d\n", err); | |
2720 | goto out; | |
2721 | } | |
2722 | ||
938fe83c | 2723 | for (port = 1; port <= MLX5_CAP_GEN(dev->mdev, num_ports); port++) { |
c4550c63 | 2724 | memset(pprops, 0, sizeof(*pprops)); |
e126ba97 EC |
2725 | err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); |
2726 | if (err) { | |
938fe83c SM |
2727 | mlx5_ib_warn(dev, "query_port %d failed %d\n", |
2728 | port, err); | |
e126ba97 EC |
2729 | break; |
2730 | } | |
938fe83c SM |
2731 | dev->mdev->port_caps[port - 1].pkey_table_len = |
2732 | dprops->max_pkeys; | |
2733 | dev->mdev->port_caps[port - 1].gid_table_len = | |
2734 | pprops->gid_tbl_len; | |
e126ba97 EC |
2735 | mlx5_ib_dbg(dev, "pkey_table_len %d, gid_table_len %d\n", |
2736 | dprops->max_pkeys, pprops->gid_tbl_len); | |
2737 | } | |
2738 | ||
2739 | out: | |
2740 | kfree(pprops); | |
2741 | kfree(dprops); | |
2742 | ||
2743 | return err; | |
2744 | } | |
2745 | ||
2746 | static void destroy_umrc_res(struct mlx5_ib_dev *dev) | |
2747 | { | |
2748 | int err; | |
2749 | ||
2750 | err = mlx5_mr_cache_cleanup(dev); | |
2751 | if (err) | |
2752 | mlx5_ib_warn(dev, "mr cache cleanup failed\n"); | |
2753 | ||
2754 | mlx5_ib_destroy_qp(dev->umrc.qp); | |
add08d76 | 2755 | ib_free_cq(dev->umrc.cq); |
e126ba97 EC |
2756 | ib_dealloc_pd(dev->umrc.pd); |
2757 | } | |
2758 | ||
2759 | enum { | |
2760 | MAX_UMR_WR = 128, | |
2761 | }; | |
2762 | ||
2763 | static int create_umr_res(struct mlx5_ib_dev *dev) | |
2764 | { | |
2765 | struct ib_qp_init_attr *init_attr = NULL; | |
2766 | struct ib_qp_attr *attr = NULL; | |
2767 | struct ib_pd *pd; | |
2768 | struct ib_cq *cq; | |
2769 | struct ib_qp *qp; | |
e126ba97 EC |
2770 | int ret; |
2771 | ||
2772 | attr = kzalloc(sizeof(*attr), GFP_KERNEL); | |
2773 | init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); | |
2774 | if (!attr || !init_attr) { | |
2775 | ret = -ENOMEM; | |
2776 | goto error_0; | |
2777 | } | |
2778 | ||
ed082d36 | 2779 | pd = ib_alloc_pd(&dev->ib_dev, 0); |
e126ba97 EC |
2780 | if (IS_ERR(pd)) { |
2781 | mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); | |
2782 | ret = PTR_ERR(pd); | |
2783 | goto error_0; | |
2784 | } | |
2785 | ||
add08d76 | 2786 | cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); |
e126ba97 EC |
2787 | if (IS_ERR(cq)) { |
2788 | mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); | |
2789 | ret = PTR_ERR(cq); | |
2790 | goto error_2; | |
2791 | } | |
e126ba97 EC |
2792 | |
2793 | init_attr->send_cq = cq; | |
2794 | init_attr->recv_cq = cq; | |
2795 | init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; | |
2796 | init_attr->cap.max_send_wr = MAX_UMR_WR; | |
2797 | init_attr->cap.max_send_sge = 1; | |
2798 | init_attr->qp_type = MLX5_IB_QPT_REG_UMR; | |
2799 | init_attr->port_num = 1; | |
2800 | qp = mlx5_ib_create_qp(pd, init_attr, NULL); | |
2801 | if (IS_ERR(qp)) { | |
2802 | mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); | |
2803 | ret = PTR_ERR(qp); | |
2804 | goto error_3; | |
2805 | } | |
2806 | qp->device = &dev->ib_dev; | |
2807 | qp->real_qp = qp; | |
2808 | qp->uobject = NULL; | |
2809 | qp->qp_type = MLX5_IB_QPT_REG_UMR; | |
2810 | ||
2811 | attr->qp_state = IB_QPS_INIT; | |
2812 | attr->port_num = 1; | |
2813 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | | |
2814 | IB_QP_PORT, NULL); | |
2815 | if (ret) { | |
2816 | mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); | |
2817 | goto error_4; | |
2818 | } | |
2819 | ||
2820 | memset(attr, 0, sizeof(*attr)); | |
2821 | attr->qp_state = IB_QPS_RTR; | |
2822 | attr->path_mtu = IB_MTU_256; | |
2823 | ||
2824 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
2825 | if (ret) { | |
2826 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); | |
2827 | goto error_4; | |
2828 | } | |
2829 | ||
2830 | memset(attr, 0, sizeof(*attr)); | |
2831 | attr->qp_state = IB_QPS_RTS; | |
2832 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
2833 | if (ret) { | |
2834 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); | |
2835 | goto error_4; | |
2836 | } | |
2837 | ||
2838 | dev->umrc.qp = qp; | |
2839 | dev->umrc.cq = cq; | |
e126ba97 EC |
2840 | dev->umrc.pd = pd; |
2841 | ||
2842 | sema_init(&dev->umrc.sem, MAX_UMR_WR); | |
2843 | ret = mlx5_mr_cache_init(dev); | |
2844 | if (ret) { | |
2845 | mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); | |
2846 | goto error_4; | |
2847 | } | |
2848 | ||
2849 | kfree(attr); | |
2850 | kfree(init_attr); | |
2851 | ||
2852 | return 0; | |
2853 | ||
2854 | error_4: | |
2855 | mlx5_ib_destroy_qp(qp); | |
2856 | ||
2857 | error_3: | |
add08d76 | 2858 | ib_free_cq(cq); |
e126ba97 EC |
2859 | |
2860 | error_2: | |
e126ba97 EC |
2861 | ib_dealloc_pd(pd); |
2862 | ||
2863 | error_0: | |
2864 | kfree(attr); | |
2865 | kfree(init_attr); | |
2866 | return ret; | |
2867 | } | |
2868 | ||
2869 | static int create_dev_resources(struct mlx5_ib_resources *devr) | |
2870 | { | |
2871 | struct ib_srq_init_attr attr; | |
2872 | struct mlx5_ib_dev *dev; | |
bcf4c1ea | 2873 | struct ib_cq_init_attr cq_attr = {.cqe = 1}; |
7722f47e | 2874 | int port; |
e126ba97 EC |
2875 | int ret = 0; |
2876 | ||
2877 | dev = container_of(devr, struct mlx5_ib_dev, devr); | |
2878 | ||
d16e91da HE |
2879 | mutex_init(&devr->mutex); |
2880 | ||
e126ba97 EC |
2881 | devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); |
2882 | if (IS_ERR(devr->p0)) { | |
2883 | ret = PTR_ERR(devr->p0); | |
2884 | goto error0; | |
2885 | } | |
2886 | devr->p0->device = &dev->ib_dev; | |
2887 | devr->p0->uobject = NULL; | |
2888 | atomic_set(&devr->p0->usecnt, 0); | |
2889 | ||
bcf4c1ea | 2890 | devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); |
e126ba97 EC |
2891 | if (IS_ERR(devr->c0)) { |
2892 | ret = PTR_ERR(devr->c0); | |
2893 | goto error1; | |
2894 | } | |
2895 | devr->c0->device = &dev->ib_dev; | |
2896 | devr->c0->uobject = NULL; | |
2897 | devr->c0->comp_handler = NULL; | |
2898 | devr->c0->event_handler = NULL; | |
2899 | devr->c0->cq_context = NULL; | |
2900 | atomic_set(&devr->c0->usecnt, 0); | |
2901 | ||
2902 | devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
2903 | if (IS_ERR(devr->x0)) { | |
2904 | ret = PTR_ERR(devr->x0); | |
2905 | goto error2; | |
2906 | } | |
2907 | devr->x0->device = &dev->ib_dev; | |
2908 | devr->x0->inode = NULL; | |
2909 | atomic_set(&devr->x0->usecnt, 0); | |
2910 | mutex_init(&devr->x0->tgt_qp_mutex); | |
2911 | INIT_LIST_HEAD(&devr->x0->tgt_qp_list); | |
2912 | ||
2913 | devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
2914 | if (IS_ERR(devr->x1)) { | |
2915 | ret = PTR_ERR(devr->x1); | |
2916 | goto error3; | |
2917 | } | |
2918 | devr->x1->device = &dev->ib_dev; | |
2919 | devr->x1->inode = NULL; | |
2920 | atomic_set(&devr->x1->usecnt, 0); | |
2921 | mutex_init(&devr->x1->tgt_qp_mutex); | |
2922 | INIT_LIST_HEAD(&devr->x1->tgt_qp_list); | |
2923 | ||
2924 | memset(&attr, 0, sizeof(attr)); | |
2925 | attr.attr.max_sge = 1; | |
2926 | attr.attr.max_wr = 1; | |
2927 | attr.srq_type = IB_SRQT_XRC; | |
2928 | attr.ext.xrc.cq = devr->c0; | |
2929 | attr.ext.xrc.xrcd = devr->x0; | |
2930 | ||
2931 | devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
2932 | if (IS_ERR(devr->s0)) { | |
2933 | ret = PTR_ERR(devr->s0); | |
2934 | goto error4; | |
2935 | } | |
2936 | devr->s0->device = &dev->ib_dev; | |
2937 | devr->s0->pd = devr->p0; | |
2938 | devr->s0->uobject = NULL; | |
2939 | devr->s0->event_handler = NULL; | |
2940 | devr->s0->srq_context = NULL; | |
2941 | devr->s0->srq_type = IB_SRQT_XRC; | |
2942 | devr->s0->ext.xrc.xrcd = devr->x0; | |
2943 | devr->s0->ext.xrc.cq = devr->c0; | |
2944 | atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); | |
2945 | atomic_inc(&devr->s0->ext.xrc.cq->usecnt); | |
2946 | atomic_inc(&devr->p0->usecnt); | |
2947 | atomic_set(&devr->s0->usecnt, 0); | |
2948 | ||
4aa17b28 HA |
2949 | memset(&attr, 0, sizeof(attr)); |
2950 | attr.attr.max_sge = 1; | |
2951 | attr.attr.max_wr = 1; | |
2952 | attr.srq_type = IB_SRQT_BASIC; | |
2953 | devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
2954 | if (IS_ERR(devr->s1)) { | |
2955 | ret = PTR_ERR(devr->s1); | |
2956 | goto error5; | |
2957 | } | |
2958 | devr->s1->device = &dev->ib_dev; | |
2959 | devr->s1->pd = devr->p0; | |
2960 | devr->s1->uobject = NULL; | |
2961 | devr->s1->event_handler = NULL; | |
2962 | devr->s1->srq_context = NULL; | |
2963 | devr->s1->srq_type = IB_SRQT_BASIC; | |
2964 | devr->s1->ext.xrc.cq = devr->c0; | |
2965 | atomic_inc(&devr->p0->usecnt); | |
2966 | atomic_set(&devr->s0->usecnt, 0); | |
2967 | ||
7722f47e HE |
2968 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { |
2969 | INIT_WORK(&devr->ports[port].pkey_change_work, | |
2970 | pkey_change_handler); | |
2971 | devr->ports[port].devr = devr; | |
2972 | } | |
2973 | ||
e126ba97 EC |
2974 | return 0; |
2975 | ||
4aa17b28 HA |
2976 | error5: |
2977 | mlx5_ib_destroy_srq(devr->s0); | |
e126ba97 EC |
2978 | error4: |
2979 | mlx5_ib_dealloc_xrcd(devr->x1); | |
2980 | error3: | |
2981 | mlx5_ib_dealloc_xrcd(devr->x0); | |
2982 | error2: | |
2983 | mlx5_ib_destroy_cq(devr->c0); | |
2984 | error1: | |
2985 | mlx5_ib_dealloc_pd(devr->p0); | |
2986 | error0: | |
2987 | return ret; | |
2988 | } | |
2989 | ||
2990 | static void destroy_dev_resources(struct mlx5_ib_resources *devr) | |
2991 | { | |
7722f47e HE |
2992 | struct mlx5_ib_dev *dev = |
2993 | container_of(devr, struct mlx5_ib_dev, devr); | |
2994 | int port; | |
2995 | ||
4aa17b28 | 2996 | mlx5_ib_destroy_srq(devr->s1); |
e126ba97 EC |
2997 | mlx5_ib_destroy_srq(devr->s0); |
2998 | mlx5_ib_dealloc_xrcd(devr->x0); | |
2999 | mlx5_ib_dealloc_xrcd(devr->x1); | |
3000 | mlx5_ib_destroy_cq(devr->c0); | |
3001 | mlx5_ib_dealloc_pd(devr->p0); | |
7722f47e HE |
3002 | |
3003 | /* Make sure no change P_Key work items are still executing */ | |
3004 | for (port = 0; port < dev->num_ports; ++port) | |
3005 | cancel_work_sync(&devr->ports[port].pkey_change_work); | |
e126ba97 EC |
3006 | } |
3007 | ||
e53505a8 AS |
3008 | static u32 get_core_cap_flags(struct ib_device *ibdev) |
3009 | { | |
3010 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
3011 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); | |
3012 | u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); | |
3013 | u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); | |
3014 | u32 ret = 0; | |
3015 | ||
3016 | if (ll == IB_LINK_LAYER_INFINIBAND) | |
3017 | return RDMA_CORE_PORT_IBA_IB; | |
3018 | ||
72cd5717 OG |
3019 | ret = RDMA_CORE_PORT_RAW_PACKET; |
3020 | ||
e53505a8 | 3021 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) |
72cd5717 | 3022 | return ret; |
e53505a8 AS |
3023 | |
3024 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) | |
72cd5717 | 3025 | return ret; |
e53505a8 AS |
3026 | |
3027 | if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) | |
3028 | ret |= RDMA_CORE_PORT_IBA_ROCE; | |
3029 | ||
3030 | if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) | |
3031 | ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
3032 | ||
3033 | return ret; | |
3034 | } | |
3035 | ||
7738613e IW |
3036 | static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, |
3037 | struct ib_port_immutable *immutable) | |
3038 | { | |
3039 | struct ib_port_attr attr; | |
ca5b91d6 OG |
3040 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
3041 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num); | |
7738613e IW |
3042 | int err; |
3043 | ||
c4550c63 OG |
3044 | immutable->core_cap_flags = get_core_cap_flags(ibdev); |
3045 | ||
3046 | err = ib_query_port(ibdev, port_num, &attr); | |
7738613e IW |
3047 | if (err) |
3048 | return err; | |
3049 | ||
3050 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
3051 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
e53505a8 | 3052 | immutable->core_cap_flags = get_core_cap_flags(ibdev); |
ca5b91d6 OG |
3053 | if ((ll == IB_LINK_LAYER_INFINIBAND) || MLX5_CAP_GEN(dev->mdev, roce)) |
3054 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; | |
7738613e IW |
3055 | |
3056 | return 0; | |
3057 | } | |
3058 | ||
c7342823 IW |
3059 | static void get_dev_fw_str(struct ib_device *ibdev, char *str, |
3060 | size_t str_len) | |
3061 | { | |
3062 | struct mlx5_ib_dev *dev = | |
3063 | container_of(ibdev, struct mlx5_ib_dev, ib_dev); | |
3064 | snprintf(str, str_len, "%d.%d.%04d", fw_rev_maj(dev->mdev), | |
3065 | fw_rev_min(dev->mdev), fw_rev_sub(dev->mdev)); | |
3066 | } | |
3067 | ||
45f95acd | 3068 | static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
3069 | { |
3070 | struct mlx5_core_dev *mdev = dev->mdev; | |
3071 | struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev, | |
3072 | MLX5_FLOW_NAMESPACE_LAG); | |
3073 | struct mlx5_flow_table *ft; | |
3074 | int err; | |
3075 | ||
3076 | if (!ns || !mlx5_lag_is_active(mdev)) | |
3077 | return 0; | |
3078 | ||
3079 | err = mlx5_cmd_create_vport_lag(mdev); | |
3080 | if (err) | |
3081 | return err; | |
3082 | ||
3083 | ft = mlx5_create_lag_demux_flow_table(ns, 0, 0); | |
3084 | if (IS_ERR(ft)) { | |
3085 | err = PTR_ERR(ft); | |
3086 | goto err_destroy_vport_lag; | |
3087 | } | |
3088 | ||
3089 | dev->flow_db.lag_demux_ft = ft; | |
3090 | return 0; | |
3091 | ||
3092 | err_destroy_vport_lag: | |
3093 | mlx5_cmd_destroy_vport_lag(mdev); | |
3094 | return err; | |
3095 | } | |
3096 | ||
45f95acd | 3097 | static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
3098 | { |
3099 | struct mlx5_core_dev *mdev = dev->mdev; | |
3100 | ||
3101 | if (dev->flow_db.lag_demux_ft) { | |
3102 | mlx5_destroy_flow_table(dev->flow_db.lag_demux_ft); | |
3103 | dev->flow_db.lag_demux_ft = NULL; | |
3104 | ||
3105 | mlx5_cmd_destroy_vport_lag(mdev); | |
3106 | } | |
3107 | } | |
3108 | ||
d012f5d6 OG |
3109 | static int mlx5_add_netdev_notifier(struct mlx5_ib_dev *dev) |
3110 | { | |
3111 | int err; | |
3112 | ||
3113 | dev->roce.nb.notifier_call = mlx5_netdev_event; | |
3114 | err = register_netdevice_notifier(&dev->roce.nb); | |
3115 | if (err) { | |
3116 | dev->roce.nb.notifier_call = NULL; | |
3117 | return err; | |
3118 | } | |
3119 | ||
3120 | return 0; | |
3121 | } | |
3122 | ||
3123 | static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev) | |
5ec8c83e AH |
3124 | { |
3125 | if (dev->roce.nb.notifier_call) { | |
3126 | unregister_netdevice_notifier(&dev->roce.nb); | |
3127 | dev->roce.nb.notifier_call = NULL; | |
3128 | } | |
3129 | } | |
3130 | ||
45f95acd | 3131 | static int mlx5_enable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 3132 | { |
e53505a8 AS |
3133 | int err; |
3134 | ||
d012f5d6 OG |
3135 | err = mlx5_add_netdev_notifier(dev); |
3136 | if (err) | |
e53505a8 AS |
3137 | return err; |
3138 | ||
ca5b91d6 OG |
3139 | if (MLX5_CAP_GEN(dev->mdev, roce)) { |
3140 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
3141 | if (err) | |
3142 | goto err_unregister_netdevice_notifier; | |
3143 | } | |
e53505a8 | 3144 | |
45f95acd | 3145 | err = mlx5_eth_lag_init(dev); |
9ef9c640 AH |
3146 | if (err) |
3147 | goto err_disable_roce; | |
3148 | ||
e53505a8 AS |
3149 | return 0; |
3150 | ||
9ef9c640 | 3151 | err_disable_roce: |
ca5b91d6 OG |
3152 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
3153 | mlx5_nic_vport_disable_roce(dev->mdev); | |
9ef9c640 | 3154 | |
e53505a8 | 3155 | err_unregister_netdevice_notifier: |
d012f5d6 | 3156 | mlx5_remove_netdev_notifier(dev); |
e53505a8 | 3157 | return err; |
fc24fc5e AS |
3158 | } |
3159 | ||
45f95acd | 3160 | static void mlx5_disable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 3161 | { |
45f95acd | 3162 | mlx5_eth_lag_cleanup(dev); |
ca5b91d6 OG |
3163 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
3164 | mlx5_nic_vport_disable_roce(dev->mdev); | |
fc24fc5e AS |
3165 | } |
3166 | ||
7c16f477 KH |
3167 | struct mlx5_ib_q_counter { |
3168 | const char *name; | |
3169 | size_t offset; | |
3170 | }; | |
3171 | ||
3172 | #define INIT_Q_COUNTER(_name) \ | |
3173 | { .name = #_name, .offset = MLX5_BYTE_OFF(query_q_counter_out, _name)} | |
3174 | ||
3175 | static const struct mlx5_ib_q_counter basic_q_cnts[] = { | |
3176 | INIT_Q_COUNTER(rx_write_requests), | |
3177 | INIT_Q_COUNTER(rx_read_requests), | |
3178 | INIT_Q_COUNTER(rx_atomic_requests), | |
3179 | INIT_Q_COUNTER(out_of_buffer), | |
3180 | }; | |
3181 | ||
3182 | static const struct mlx5_ib_q_counter out_of_seq_q_cnts[] = { | |
3183 | INIT_Q_COUNTER(out_of_sequence), | |
3184 | }; | |
3185 | ||
3186 | static const struct mlx5_ib_q_counter retrans_q_cnts[] = { | |
3187 | INIT_Q_COUNTER(duplicate_request), | |
3188 | INIT_Q_COUNTER(rnr_nak_retry_err), | |
3189 | INIT_Q_COUNTER(packet_seq_err), | |
3190 | INIT_Q_COUNTER(implied_nak_seq_err), | |
3191 | INIT_Q_COUNTER(local_ack_timeout_err), | |
3192 | }; | |
3193 | ||
0837e86a MB |
3194 | static void mlx5_ib_dealloc_q_counters(struct mlx5_ib_dev *dev) |
3195 | { | |
3196 | unsigned int i; | |
3197 | ||
7c16f477 | 3198 | for (i = 0; i < dev->num_ports; i++) { |
0837e86a | 3199 | mlx5_core_dealloc_q_counter(dev->mdev, |
7c16f477 KH |
3200 | dev->port[i].q_cnts.set_id); |
3201 | kfree(dev->port[i].q_cnts.names); | |
3202 | kfree(dev->port[i].q_cnts.offsets); | |
3203 | } | |
3204 | } | |
3205 | ||
3206 | static int __mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev, | |
3207 | const char ***names, | |
3208 | size_t **offsets, | |
3209 | u32 *num) | |
3210 | { | |
3211 | u32 num_counters; | |
3212 | ||
3213 | num_counters = ARRAY_SIZE(basic_q_cnts); | |
3214 | ||
3215 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) | |
3216 | num_counters += ARRAY_SIZE(out_of_seq_q_cnts); | |
3217 | ||
3218 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) | |
3219 | num_counters += ARRAY_SIZE(retrans_q_cnts); | |
3220 | ||
3221 | *names = kcalloc(num_counters, sizeof(**names), GFP_KERNEL); | |
3222 | if (!*names) | |
3223 | return -ENOMEM; | |
3224 | ||
3225 | *offsets = kcalloc(num_counters, sizeof(**offsets), GFP_KERNEL); | |
3226 | if (!*offsets) | |
3227 | goto err_names; | |
3228 | ||
3229 | *num = num_counters; | |
3230 | ||
3231 | return 0; | |
3232 | ||
3233 | err_names: | |
3234 | kfree(*names); | |
3235 | return -ENOMEM; | |
3236 | } | |
3237 | ||
3238 | static void mlx5_ib_fill_q_counters(struct mlx5_ib_dev *dev, | |
3239 | const char **names, | |
3240 | size_t *offsets) | |
3241 | { | |
3242 | int i; | |
3243 | int j = 0; | |
3244 | ||
3245 | for (i = 0; i < ARRAY_SIZE(basic_q_cnts); i++, j++) { | |
3246 | names[j] = basic_q_cnts[i].name; | |
3247 | offsets[j] = basic_q_cnts[i].offset; | |
3248 | } | |
3249 | ||
3250 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) { | |
3251 | for (i = 0; i < ARRAY_SIZE(out_of_seq_q_cnts); i++, j++) { | |
3252 | names[j] = out_of_seq_q_cnts[i].name; | |
3253 | offsets[j] = out_of_seq_q_cnts[i].offset; | |
3254 | } | |
3255 | } | |
3256 | ||
3257 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { | |
3258 | for (i = 0; i < ARRAY_SIZE(retrans_q_cnts); i++, j++) { | |
3259 | names[j] = retrans_q_cnts[i].name; | |
3260 | offsets[j] = retrans_q_cnts[i].offset; | |
3261 | } | |
3262 | } | |
0837e86a MB |
3263 | } |
3264 | ||
3265 | static int mlx5_ib_alloc_q_counters(struct mlx5_ib_dev *dev) | |
3266 | { | |
3267 | int i; | |
3268 | int ret; | |
3269 | ||
3270 | for (i = 0; i < dev->num_ports; i++) { | |
7c16f477 KH |
3271 | struct mlx5_ib_port *port = &dev->port[i]; |
3272 | ||
0837e86a | 3273 | ret = mlx5_core_alloc_q_counter(dev->mdev, |
7c16f477 | 3274 | &port->q_cnts.set_id); |
0837e86a MB |
3275 | if (ret) { |
3276 | mlx5_ib_warn(dev, | |
3277 | "couldn't allocate queue counter for port %d, err %d\n", | |
3278 | i + 1, ret); | |
3279 | goto dealloc_counters; | |
3280 | } | |
7c16f477 KH |
3281 | |
3282 | ret = __mlx5_ib_alloc_q_counters(dev, | |
3283 | &port->q_cnts.names, | |
3284 | &port->q_cnts.offsets, | |
3285 | &port->q_cnts.num_counters); | |
3286 | if (ret) | |
3287 | goto dealloc_counters; | |
3288 | ||
3289 | mlx5_ib_fill_q_counters(dev, port->q_cnts.names, | |
3290 | port->q_cnts.offsets); | |
0837e86a MB |
3291 | } |
3292 | ||
3293 | return 0; | |
3294 | ||
3295 | dealloc_counters: | |
3296 | while (--i >= 0) | |
3297 | mlx5_core_dealloc_q_counter(dev->mdev, | |
7c16f477 | 3298 | dev->port[i].q_cnts.set_id); |
0837e86a MB |
3299 | |
3300 | return ret; | |
3301 | } | |
3302 | ||
0ad17a8f MB |
3303 | static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, |
3304 | u8 port_num) | |
3305 | { | |
7c16f477 KH |
3306 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
3307 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; | |
0ad17a8f MB |
3308 | |
3309 | /* We support only per port stats */ | |
3310 | if (port_num == 0) | |
3311 | return NULL; | |
3312 | ||
7c16f477 KH |
3313 | return rdma_alloc_hw_stats_struct(port->q_cnts.names, |
3314 | port->q_cnts.num_counters, | |
0ad17a8f MB |
3315 | RDMA_HW_STATS_DEFAULT_LIFESPAN); |
3316 | } | |
3317 | ||
3318 | static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, | |
3319 | struct rdma_hw_stats *stats, | |
7c16f477 | 3320 | u8 port_num, int index) |
0ad17a8f MB |
3321 | { |
3322 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
7c16f477 | 3323 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; |
0ad17a8f MB |
3324 | int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); |
3325 | void *out; | |
3326 | __be32 val; | |
3327 | int ret; | |
3328 | int i; | |
3329 | ||
7c16f477 | 3330 | if (!stats) |
0ad17a8f MB |
3331 | return -ENOSYS; |
3332 | ||
3333 | out = mlx5_vzalloc(outlen); | |
3334 | if (!out) | |
3335 | return -ENOMEM; | |
3336 | ||
3337 | ret = mlx5_core_query_q_counter(dev->mdev, | |
7c16f477 | 3338 | port->q_cnts.set_id, 0, |
0ad17a8f MB |
3339 | out, outlen); |
3340 | if (ret) | |
3341 | goto free; | |
3342 | ||
7c16f477 KH |
3343 | for (i = 0; i < port->q_cnts.num_counters; i++) { |
3344 | val = *(__be32 *)(out + port->q_cnts.offsets[i]); | |
0ad17a8f MB |
3345 | stats->value[i] = (u64)be32_to_cpu(val); |
3346 | } | |
7c16f477 | 3347 | |
0ad17a8f MB |
3348 | free: |
3349 | kvfree(out); | |
7c16f477 | 3350 | return port->q_cnts.num_counters; |
0ad17a8f MB |
3351 | } |
3352 | ||
9603b61d | 3353 | static void *mlx5_ib_add(struct mlx5_core_dev *mdev) |
e126ba97 | 3354 | { |
e126ba97 | 3355 | struct mlx5_ib_dev *dev; |
ebd61f68 AS |
3356 | enum rdma_link_layer ll; |
3357 | int port_type_cap; | |
4babcf97 | 3358 | const char *name; |
e126ba97 EC |
3359 | int err; |
3360 | int i; | |
3361 | ||
ebd61f68 AS |
3362 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
3363 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
3364 | ||
e126ba97 EC |
3365 | printk_once(KERN_INFO "%s", mlx5_version); |
3366 | ||
3367 | dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); | |
3368 | if (!dev) | |
9603b61d | 3369 | return NULL; |
e126ba97 | 3370 | |
9603b61d | 3371 | dev->mdev = mdev; |
e126ba97 | 3372 | |
0837e86a MB |
3373 | dev->port = kcalloc(MLX5_CAP_GEN(mdev, num_ports), sizeof(*dev->port), |
3374 | GFP_KERNEL); | |
3375 | if (!dev->port) | |
3376 | goto err_dealloc; | |
3377 | ||
fc24fc5e | 3378 | rwlock_init(&dev->roce.netdev_lock); |
e126ba97 EC |
3379 | err = get_port_caps(dev); |
3380 | if (err) | |
0837e86a | 3381 | goto err_free_port; |
e126ba97 | 3382 | |
1b5daf11 MD |
3383 | if (mlx5_use_mad_ifc(dev)) |
3384 | get_ext_port_caps(dev); | |
e126ba97 | 3385 | |
4babcf97 AH |
3386 | if (!mlx5_lag_is_active(mdev)) |
3387 | name = "mlx5_%d"; | |
3388 | else | |
3389 | name = "mlx5_bond_%d"; | |
3390 | ||
3391 | strlcpy(dev->ib_dev.name, name, IB_DEVICE_NAME_MAX); | |
e126ba97 EC |
3392 | dev->ib_dev.owner = THIS_MODULE; |
3393 | dev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
c6790aa9 | 3394 | dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; |
938fe83c | 3395 | dev->num_ports = MLX5_CAP_GEN(mdev, num_ports); |
e126ba97 | 3396 | dev->ib_dev.phys_port_cnt = dev->num_ports; |
233d05d2 SM |
3397 | dev->ib_dev.num_comp_vectors = |
3398 | dev->mdev->priv.eq_table.num_comp_vectors; | |
9b0c289e | 3399 | dev->ib_dev.dev.parent = &mdev->pdev->dev; |
e126ba97 EC |
3400 | |
3401 | dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; | |
3402 | dev->ib_dev.uverbs_cmd_mask = | |
3403 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
3404 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
3405 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
3406 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
3407 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
41c450fd MS |
3408 | (1ull << IB_USER_VERBS_CMD_CREATE_AH) | |
3409 | (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | | |
e126ba97 | 3410 | (1ull << IB_USER_VERBS_CMD_REG_MR) | |
56e11d62 | 3411 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
e126ba97 EC |
3412 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
3413 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
3414 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
3415 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | | |
3416 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
3417 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
3418 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
3419 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | | |
3420 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
3421 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
3422 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
3423 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
3424 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
3425 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | | |
3426 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | | |
3427 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | | |
3428 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
1707cb4a | 3429 | dev->ib_dev.uverbs_ex_cmd_mask = |
d4584ddf MB |
3430 | (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | |
3431 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | | |
7d29f349 BW |
3432 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) | |
3433 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP); | |
e126ba97 EC |
3434 | |
3435 | dev->ib_dev.query_device = mlx5_ib_query_device; | |
3436 | dev->ib_dev.query_port = mlx5_ib_query_port; | |
ebd61f68 | 3437 | dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; |
fc24fc5e AS |
3438 | if (ll == IB_LINK_LAYER_ETHERNET) |
3439 | dev->ib_dev.get_netdev = mlx5_ib_get_netdev; | |
e126ba97 | 3440 | dev->ib_dev.query_gid = mlx5_ib_query_gid; |
3cca2606 AS |
3441 | dev->ib_dev.add_gid = mlx5_ib_add_gid; |
3442 | dev->ib_dev.del_gid = mlx5_ib_del_gid; | |
e126ba97 EC |
3443 | dev->ib_dev.query_pkey = mlx5_ib_query_pkey; |
3444 | dev->ib_dev.modify_device = mlx5_ib_modify_device; | |
3445 | dev->ib_dev.modify_port = mlx5_ib_modify_port; | |
3446 | dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; | |
3447 | dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; | |
3448 | dev->ib_dev.mmap = mlx5_ib_mmap; | |
3449 | dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; | |
3450 | dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; | |
3451 | dev->ib_dev.create_ah = mlx5_ib_create_ah; | |
3452 | dev->ib_dev.query_ah = mlx5_ib_query_ah; | |
3453 | dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; | |
3454 | dev->ib_dev.create_srq = mlx5_ib_create_srq; | |
3455 | dev->ib_dev.modify_srq = mlx5_ib_modify_srq; | |
3456 | dev->ib_dev.query_srq = mlx5_ib_query_srq; | |
3457 | dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; | |
3458 | dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; | |
3459 | dev->ib_dev.create_qp = mlx5_ib_create_qp; | |
3460 | dev->ib_dev.modify_qp = mlx5_ib_modify_qp; | |
3461 | dev->ib_dev.query_qp = mlx5_ib_query_qp; | |
3462 | dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; | |
3463 | dev->ib_dev.post_send = mlx5_ib_post_send; | |
3464 | dev->ib_dev.post_recv = mlx5_ib_post_recv; | |
3465 | dev->ib_dev.create_cq = mlx5_ib_create_cq; | |
3466 | dev->ib_dev.modify_cq = mlx5_ib_modify_cq; | |
3467 | dev->ib_dev.resize_cq = mlx5_ib_resize_cq; | |
3468 | dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; | |
3469 | dev->ib_dev.poll_cq = mlx5_ib_poll_cq; | |
3470 | dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; | |
3471 | dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; | |
3472 | dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; | |
56e11d62 | 3473 | dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; |
e126ba97 EC |
3474 | dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; |
3475 | dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; | |
3476 | dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; | |
3477 | dev->ib_dev.process_mad = mlx5_ib_process_mad; | |
9bee178b | 3478 | dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; |
8a187ee5 | 3479 | dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; |
d5436ba0 | 3480 | dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; |
7738613e | 3481 | dev->ib_dev.get_port_immutable = mlx5_port_immutable; |
c7342823 | 3482 | dev->ib_dev.get_dev_fw_str = get_dev_fw_str; |
eff901d3 EC |
3483 | if (mlx5_core_is_pf(mdev)) { |
3484 | dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; | |
3485 | dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; | |
3486 | dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; | |
3487 | dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; | |
3488 | } | |
e126ba97 | 3489 | |
7c2344c3 MG |
3490 | dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext; |
3491 | ||
938fe83c | 3492 | mlx5_ib_internal_fill_odp_caps(dev); |
8cdd312c | 3493 | |
d2370e0a MB |
3494 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
3495 | dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; | |
3496 | dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; | |
3497 | dev->ib_dev.uverbs_cmd_mask |= | |
3498 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
3499 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
3500 | } | |
3501 | ||
7c16f477 | 3502 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) { |
0ad17a8f MB |
3503 | dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; |
3504 | dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; | |
3505 | } | |
3506 | ||
938fe83c | 3507 | if (MLX5_CAP_GEN(mdev, xrc)) { |
e126ba97 EC |
3508 | dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; |
3509 | dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; | |
3510 | dev->ib_dev.uverbs_cmd_mask |= | |
3511 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
3512 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
3513 | } | |
3514 | ||
048ccca8 | 3515 | if (mlx5_ib_port_link_layer(&dev->ib_dev, 1) == |
038d2ef8 MG |
3516 | IB_LINK_LAYER_ETHERNET) { |
3517 | dev->ib_dev.create_flow = mlx5_ib_create_flow; | |
3518 | dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; | |
79b20a6c YH |
3519 | dev->ib_dev.create_wq = mlx5_ib_create_wq; |
3520 | dev->ib_dev.modify_wq = mlx5_ib_modify_wq; | |
3521 | dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; | |
c5f90929 YH |
3522 | dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; |
3523 | dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; | |
038d2ef8 MG |
3524 | dev->ib_dev.uverbs_ex_cmd_mask |= |
3525 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
79b20a6c YH |
3526 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW) | |
3527 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | | |
3528 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | | |
c5f90929 YH |
3529 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | |
3530 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | | |
3531 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); | |
038d2ef8 | 3532 | } |
e126ba97 EC |
3533 | err = init_node_data(dev); |
3534 | if (err) | |
90be7c8a | 3535 | goto err_free_port; |
e126ba97 | 3536 | |
038d2ef8 | 3537 | mutex_init(&dev->flow_db.lock); |
e126ba97 | 3538 | mutex_init(&dev->cap_mask_mutex); |
89ea94a7 MG |
3539 | INIT_LIST_HEAD(&dev->qp_list); |
3540 | spin_lock_init(&dev->reset_flow_resource_lock); | |
e126ba97 | 3541 | |
fc24fc5e | 3542 | if (ll == IB_LINK_LAYER_ETHERNET) { |
45f95acd | 3543 | err = mlx5_enable_eth(dev); |
fc24fc5e | 3544 | if (err) |
90be7c8a | 3545 | goto err_free_port; |
fc24fc5e AS |
3546 | } |
3547 | ||
e126ba97 EC |
3548 | err = create_dev_resources(&dev->devr); |
3549 | if (err) | |
45f95acd | 3550 | goto err_disable_eth; |
e126ba97 | 3551 | |
6aec21f6 | 3552 | err = mlx5_ib_odp_init_one(dev); |
281d1a92 | 3553 | if (err) |
e126ba97 EC |
3554 | goto err_rsrc; |
3555 | ||
45bded2c KH |
3556 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) { |
3557 | err = mlx5_ib_alloc_q_counters(dev); | |
3558 | if (err) | |
3559 | goto err_odp; | |
3560 | } | |
6aec21f6 | 3561 | |
5fe9dec0 EC |
3562 | dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev); |
3563 | if (!dev->mdev->priv.uar) | |
3564 | goto err_q_cnt; | |
3565 | ||
3566 | err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false); | |
3567 | if (err) | |
3568 | goto err_uar_page; | |
3569 | ||
3570 | err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); | |
3571 | if (err) | |
3572 | goto err_bfreg; | |
3573 | ||
0837e86a MB |
3574 | err = ib_register_device(&dev->ib_dev, NULL); |
3575 | if (err) | |
5fe9dec0 | 3576 | goto err_fp_bfreg; |
0837e86a | 3577 | |
e126ba97 EC |
3578 | err = create_umr_res(dev); |
3579 | if (err) | |
3580 | goto err_dev; | |
3581 | ||
3582 | for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { | |
281d1a92 WY |
3583 | err = device_create_file(&dev->ib_dev.dev, |
3584 | mlx5_class_attributes[i]); | |
3585 | if (err) | |
e126ba97 EC |
3586 | goto err_umrc; |
3587 | } | |
3588 | ||
3589 | dev->ib_active = true; | |
3590 | ||
9603b61d | 3591 | return dev; |
e126ba97 EC |
3592 | |
3593 | err_umrc: | |
3594 | destroy_umrc_res(dev); | |
3595 | ||
3596 | err_dev: | |
3597 | ib_unregister_device(&dev->ib_dev); | |
3598 | ||
5fe9dec0 EC |
3599 | err_fp_bfreg: |
3600 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); | |
3601 | ||
3602 | err_bfreg: | |
3603 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); | |
3604 | ||
3605 | err_uar_page: | |
3606 | mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar); | |
3607 | ||
0837e86a | 3608 | err_q_cnt: |
45bded2c KH |
3609 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) |
3610 | mlx5_ib_dealloc_q_counters(dev); | |
0837e86a | 3611 | |
6aec21f6 HE |
3612 | err_odp: |
3613 | mlx5_ib_odp_remove_one(dev); | |
3614 | ||
e126ba97 EC |
3615 | err_rsrc: |
3616 | destroy_dev_resources(&dev->devr); | |
3617 | ||
45f95acd | 3618 | err_disable_eth: |
5ec8c83e | 3619 | if (ll == IB_LINK_LAYER_ETHERNET) { |
45f95acd | 3620 | mlx5_disable_eth(dev); |
d012f5d6 | 3621 | mlx5_remove_netdev_notifier(dev); |
5ec8c83e | 3622 | } |
fc24fc5e | 3623 | |
0837e86a MB |
3624 | err_free_port: |
3625 | kfree(dev->port); | |
3626 | ||
9603b61d | 3627 | err_dealloc: |
e126ba97 EC |
3628 | ib_dealloc_device((struct ib_device *)dev); |
3629 | ||
9603b61d | 3630 | return NULL; |
e126ba97 EC |
3631 | } |
3632 | ||
9603b61d | 3633 | static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) |
e126ba97 | 3634 | { |
9603b61d | 3635 | struct mlx5_ib_dev *dev = context; |
fc24fc5e | 3636 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, 1); |
6aec21f6 | 3637 | |
d012f5d6 | 3638 | mlx5_remove_netdev_notifier(dev); |
e126ba97 | 3639 | ib_unregister_device(&dev->ib_dev); |
5fe9dec0 EC |
3640 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); |
3641 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); | |
3642 | mlx5_put_uars_page(dev->mdev, mdev->priv.uar); | |
45bded2c KH |
3643 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) |
3644 | mlx5_ib_dealloc_q_counters(dev); | |
eefd56e5 | 3645 | destroy_umrc_res(dev); |
6aec21f6 | 3646 | mlx5_ib_odp_remove_one(dev); |
e126ba97 | 3647 | destroy_dev_resources(&dev->devr); |
fc24fc5e | 3648 | if (ll == IB_LINK_LAYER_ETHERNET) |
45f95acd | 3649 | mlx5_disable_eth(dev); |
0837e86a | 3650 | kfree(dev->port); |
e126ba97 EC |
3651 | ib_dealloc_device(&dev->ib_dev); |
3652 | } | |
3653 | ||
9603b61d JM |
3654 | static struct mlx5_interface mlx5_ib_interface = { |
3655 | .add = mlx5_ib_add, | |
3656 | .remove = mlx5_ib_remove, | |
3657 | .event = mlx5_ib_event, | |
d9aaed83 AK |
3658 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
3659 | .pfault = mlx5_ib_pfault, | |
3660 | #endif | |
64613d94 | 3661 | .protocol = MLX5_INTERFACE_PROTOCOL_IB, |
e126ba97 EC |
3662 | }; |
3663 | ||
3664 | static int __init mlx5_ib_init(void) | |
3665 | { | |
6aec21f6 HE |
3666 | int err; |
3667 | ||
81713d37 | 3668 | mlx5_ib_odp_init(); |
9603b61d | 3669 | |
6aec21f6 | 3670 | err = mlx5_register_interface(&mlx5_ib_interface); |
6aec21f6 | 3671 | |
6aec21f6 | 3672 | return err; |
e126ba97 EC |
3673 | } |
3674 | ||
3675 | static void __exit mlx5_ib_cleanup(void) | |
3676 | { | |
9603b61d | 3677 | mlx5_unregister_interface(&mlx5_ib_interface); |
e126ba97 EC |
3678 | } |
3679 | ||
3680 | module_init(mlx5_ib_init); | |
3681 | module_exit(mlx5_ib_cleanup); |