vdpa/mlx5: support direct HW notifications
[dpdk.git] / drivers / vdpa / mlx5 / mlx5_vdpa.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2019 Mellanox Technologies, Ltd
3  */
4 #include <unistd.h>
5
6 #include <rte_malloc.h>
7 #include <rte_log.h>
8 #include <rte_errno.h>
9 #include <rte_bus_pci.h>
10 #include <rte_pci.h>
11
12 #include <mlx5_glue.h>
13 #include <mlx5_common.h>
14 #include <mlx5_devx_cmds.h>
15 #include <mlx5_prm.h>
16 #include <mlx5_nl.h>
17
18 #include "mlx5_vdpa_utils.h"
19 #include "mlx5_vdpa.h"
20
21
22 #define MLX5_VDPA_DEFAULT_FEATURES ((1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \
23                             (1ULL << VIRTIO_F_ANY_LAYOUT) | \
24                             (1ULL << VIRTIO_NET_F_MQ) | \
25                             (1ULL << VIRTIO_NET_F_GUEST_ANNOUNCE) | \
26                             (1ULL << VIRTIO_F_ORDER_PLATFORM) | \
27                             (1ULL << VHOST_F_LOG_ALL))
28
29 #define MLX5_VDPA_PROTOCOL_FEATURES \
30                             ((1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \
31                              (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD) | \
32                              (1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER) | \
33                              (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) | \
34                              (1ULL << VHOST_USER_PROTOCOL_F_MQ))
35
36 TAILQ_HEAD(mlx5_vdpa_privs, mlx5_vdpa_priv) priv_list =
37                                               TAILQ_HEAD_INITIALIZER(priv_list);
38 static pthread_mutex_t priv_list_lock = PTHREAD_MUTEX_INITIALIZER;
39 int mlx5_vdpa_logtype;
40
41 static struct mlx5_vdpa_priv *
42 mlx5_vdpa_find_priv_resource_by_did(int did)
43 {
44         struct mlx5_vdpa_priv *priv;
45         int found = 0;
46
47         pthread_mutex_lock(&priv_list_lock);
48         TAILQ_FOREACH(priv, &priv_list, next) {
49                 if (did == priv->id) {
50                         found = 1;
51                         break;
52                 }
53         }
54         pthread_mutex_unlock(&priv_list_lock);
55         if (!found) {
56                 DRV_LOG(ERR, "Invalid device id: %d.", did);
57                 rte_errno = EINVAL;
58                 return NULL;
59         }
60         return priv;
61 }
62
63 static int
64 mlx5_vdpa_get_queue_num(int did, uint32_t *queue_num)
65 {
66         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
67
68         if (priv == NULL) {
69                 DRV_LOG(ERR, "Invalid device id: %d.", did);
70                 return -1;
71         }
72         *queue_num = priv->caps.max_num_virtio_queues;
73         return 0;
74 }
75
76 static int
77 mlx5_vdpa_get_vdpa_features(int did, uint64_t *features)
78 {
79         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
80
81         if (priv == NULL) {
82                 DRV_LOG(ERR, "Invalid device id: %d.", did);
83                 return -1;
84         }
85         *features = MLX5_VDPA_DEFAULT_FEATURES;
86         if (priv->caps.virtio_queue_type & (1 << MLX5_VIRTQ_TYPE_PACKED))
87                 *features |= (1ULL << VIRTIO_F_RING_PACKED);
88         if (priv->caps.tso_ipv4)
89                 *features |= (1ULL << VIRTIO_NET_F_HOST_TSO4);
90         if (priv->caps.tso_ipv6)
91                 *features |= (1ULL << VIRTIO_NET_F_HOST_TSO6);
92         if (priv->caps.tx_csum)
93                 *features |= (1ULL << VIRTIO_NET_F_CSUM);
94         if (priv->caps.rx_csum)
95                 *features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
96         if (priv->caps.virtio_version_1_0)
97                 *features |= (1ULL << VIRTIO_F_VERSION_1);
98         return 0;
99 }
100
101 static int
102 mlx5_vdpa_get_protocol_features(int did, uint64_t *features)
103 {
104         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
105
106         if (priv == NULL) {
107                 DRV_LOG(ERR, "Invalid device id: %d.", did);
108                 return -1;
109         }
110         *features = MLX5_VDPA_PROTOCOL_FEATURES;
111         return 0;
112 }
113
114 static int
115 mlx5_vdpa_set_vring_state(int vid, int vring, int state)
116 {
117         int did = rte_vhost_get_vdpa_device_id(vid);
118         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
119         struct mlx5_vdpa_virtq *virtq = NULL;
120
121         if (priv == NULL) {
122                 DRV_LOG(ERR, "Invalid device id: %d.", did);
123                 return -EINVAL;
124         }
125         SLIST_FOREACH(virtq, &priv->virtq_list, next)
126                 if (virtq->index == vring)
127                         break;
128         if (!virtq) {
129                 DRV_LOG(ERR, "Invalid or unconfigured vring id: %d.", vring);
130                 return -EINVAL;
131         }
132         return mlx5_vdpa_virtq_enable(virtq, state);
133 }
134
135 static int
136 mlx5_vdpa_direct_db_prepare(struct mlx5_vdpa_priv *priv)
137 {
138         int ret;
139
140         if (priv->direct_notifier) {
141                 ret = rte_vhost_host_notifier_ctrl(priv->vid, false);
142                 if (ret != 0) {
143                         DRV_LOG(INFO, "Direct HW notifier FD cannot be "
144                                 "destroyed for device %d: %d.", priv->vid, ret);
145                         return -1;
146                 }
147                 priv->direct_notifier = 0;
148         }
149         ret = rte_vhost_host_notifier_ctrl(priv->vid, true);
150         if (ret != 0)
151                 DRV_LOG(INFO, "Direct HW notifier FD cannot be configured for"
152                         " device %d: %d.", priv->vid, ret);
153         else
154                 priv->direct_notifier = 1;
155         return 0;
156 }
157
158 static int
159 mlx5_vdpa_features_set(int vid)
160 {
161         int did = rte_vhost_get_vdpa_device_id(vid);
162         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
163         uint64_t log_base, log_size;
164         uint64_t features;
165         int ret;
166
167         if (priv == NULL) {
168                 DRV_LOG(ERR, "Invalid device id: %d.", did);
169                 return -EINVAL;
170         }
171         ret = rte_vhost_get_negotiated_features(vid, &features);
172         if (ret) {
173                 DRV_LOG(ERR, "Failed to get negotiated features.");
174                 return ret;
175         }
176         if (RTE_VHOST_NEED_LOG(features)) {
177                 ret = rte_vhost_get_log_base(vid, &log_base, &log_size);
178                 if (ret) {
179                         DRV_LOG(ERR, "Failed to get log base.");
180                         return ret;
181                 }
182                 ret = mlx5_vdpa_dirty_bitmap_set(priv, log_base, log_size);
183                 if (ret) {
184                         DRV_LOG(ERR, "Failed to set dirty bitmap.");
185                         return ret;
186                 }
187                 DRV_LOG(INFO, "mlx5 vdpa: enabling dirty logging...");
188                 ret = mlx5_vdpa_logging_enable(priv, 1);
189                 if (ret) {
190                         DRV_LOG(ERR, "Failed t enable dirty logging.");
191                         return ret;
192                 }
193         }
194         return 0;
195 }
196
197 static int
198 mlx5_vdpa_dev_close(int vid)
199 {
200         int did = rte_vhost_get_vdpa_device_id(vid);
201         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
202         int ret = 0;
203
204         if (priv == NULL) {
205                 DRV_LOG(ERR, "Invalid device id: %d.", did);
206                 return -1;
207         }
208         if (priv->configured)
209                 ret |= mlx5_vdpa_lm_log(priv);
210         mlx5_vdpa_cqe_event_unset(priv);
211         ret |= mlx5_vdpa_steer_unset(priv);
212         mlx5_vdpa_virtqs_release(priv);
213         mlx5_vdpa_event_qp_global_release(priv);
214         mlx5_vdpa_mem_dereg(priv);
215         priv->configured = 0;
216         priv->vid = 0;
217         return ret;
218 }
219
220 static int
221 mlx5_vdpa_dev_config(int vid)
222 {
223         int did = rte_vhost_get_vdpa_device_id(vid);
224         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
225
226         if (priv == NULL) {
227                 DRV_LOG(ERR, "Invalid device id: %d.", did);
228                 return -EINVAL;
229         }
230         if (priv->configured && mlx5_vdpa_dev_close(vid)) {
231                 DRV_LOG(ERR, "Failed to reconfigure vid %d.", vid);
232                 return -1;
233         }
234         priv->vid = vid;
235         if (mlx5_vdpa_mem_register(priv) || mlx5_vdpa_direct_db_prepare(priv) ||
236             mlx5_vdpa_virtqs_prepare(priv) || mlx5_vdpa_steer_setup(priv) ||
237             mlx5_vdpa_cqe_event_setup(priv)) {
238                 mlx5_vdpa_dev_close(vid);
239                 return -1;
240         }
241         priv->configured = 1;
242         return 0;
243 }
244
245 static int
246 mlx5_vdpa_get_device_fd(int vid)
247 {
248         int did = rte_vhost_get_vdpa_device_id(vid);
249         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
250
251         if (priv == NULL) {
252                 DRV_LOG(ERR, "Invalid device id: %d.", did);
253                 return -EINVAL;
254         }
255         return priv->ctx->cmd_fd;
256 }
257
258 static int
259 mlx5_vdpa_get_notify_area(int vid, int qid, uint64_t *offset, uint64_t *size)
260 {
261         int did = rte_vhost_get_vdpa_device_id(vid);
262         struct mlx5_vdpa_priv *priv = mlx5_vdpa_find_priv_resource_by_did(did);
263
264         RTE_SET_USED(qid);
265         if (priv == NULL) {
266                 DRV_LOG(ERR, "Invalid device id: %d.", did);
267                 return -EINVAL;
268         }
269         if (!priv->var) {
270                 DRV_LOG(ERR, "VAR was not created for device %d, is the device"
271                         " configured?.", did);
272                 return -EINVAL;
273         }
274         *offset = priv->var->mmap_off;
275         *size = priv->var->length;
276         return 0;
277 }
278
279 static struct rte_vdpa_dev_ops mlx5_vdpa_ops = {
280         .get_queue_num = mlx5_vdpa_get_queue_num,
281         .get_features = mlx5_vdpa_get_vdpa_features,
282         .get_protocol_features = mlx5_vdpa_get_protocol_features,
283         .dev_conf = mlx5_vdpa_dev_config,
284         .dev_close = mlx5_vdpa_dev_close,
285         .set_vring_state = mlx5_vdpa_set_vring_state,
286         .set_features = mlx5_vdpa_features_set,
287         .migration_done = NULL,
288         .get_vfio_group_fd = NULL,
289         .get_vfio_device_fd = mlx5_vdpa_get_device_fd,
290         .get_notify_area = mlx5_vdpa_get_notify_area,
291 };
292
293 static struct ibv_device *
294 mlx5_vdpa_get_ib_device_match(struct rte_pci_addr *addr)
295 {
296         int n;
297         struct ibv_device **ibv_list = mlx5_glue->get_device_list(&n);
298         struct ibv_device *ibv_match = NULL;
299
300         if (!ibv_list) {
301                 rte_errno = ENOSYS;
302                 return NULL;
303         }
304         while (n-- > 0) {
305                 struct rte_pci_addr pci_addr;
306
307                 DRV_LOG(DEBUG, "Checking device \"%s\"..", ibv_list[n]->name);
308                 if (mlx5_dev_to_pci_addr(ibv_list[n]->ibdev_path, &pci_addr))
309                         continue;
310                 if (memcmp(addr, &pci_addr, sizeof(pci_addr)))
311                         continue;
312                 ibv_match = ibv_list[n];
313                 break;
314         }
315         if (!ibv_match)
316                 rte_errno = ENOENT;
317         mlx5_glue->free_device_list(ibv_list);
318         return ibv_match;
319 }
320
321 /* Try to disable ROCE by Netlink\Devlink. */
322 static int
323 mlx5_vdpa_nl_roce_disable(const char *addr)
324 {
325         int nlsk_fd = mlx5_nl_init(NETLINK_GENERIC);
326         int devlink_id;
327         int enable;
328         int ret;
329
330         if (nlsk_fd < 0)
331                 return nlsk_fd;
332         devlink_id = mlx5_nl_devlink_family_id_get(nlsk_fd);
333         if (devlink_id < 0) {
334                 ret = devlink_id;
335                 DRV_LOG(DEBUG, "Failed to get devlink id for ROCE operations by"
336                         " Netlink.");
337                 goto close;
338         }
339         ret = mlx5_nl_enable_roce_get(nlsk_fd, devlink_id, addr, &enable);
340         if (ret) {
341                 DRV_LOG(DEBUG, "Failed to get ROCE enable by Netlink: %d.",
342                         ret);
343                 goto close;
344         } else if (!enable) {
345                 DRV_LOG(INFO, "ROCE has already disabled(Netlink).");
346                 goto close;
347         }
348         ret = mlx5_nl_enable_roce_set(nlsk_fd, devlink_id, addr, 0);
349         if (ret)
350                 DRV_LOG(DEBUG, "Failed to disable ROCE by Netlink: %d.", ret);
351         else
352                 DRV_LOG(INFO, "ROCE is disabled by Netlink successfully.");
353 close:
354         close(nlsk_fd);
355         return ret;
356 }
357
358 /* Try to disable ROCE by sysfs. */
359 static int
360 mlx5_vdpa_sys_roce_disable(const char *addr)
361 {
362         FILE *file_o;
363         int enable;
364         int ret;
365
366         MKSTR(file_p, "/sys/bus/pci/devices/%s/roce_enable", addr);
367         file_o = fopen(file_p, "rb");
368         if (!file_o) {
369                 rte_errno = ENOTSUP;
370                 return -ENOTSUP;
371         }
372         ret = fscanf(file_o, "%d", &enable);
373         if (ret != 1) {
374                 rte_errno = EINVAL;
375                 ret = EINVAL;
376                 goto close;
377         } else if (!enable) {
378                 ret = 0;
379                 DRV_LOG(INFO, "ROCE has already disabled(sysfs).");
380                 goto close;
381         }
382         fclose(file_o);
383         file_o = fopen(file_p, "wb");
384         if (!file_o) {
385                 rte_errno = ENOTSUP;
386                 return -ENOTSUP;
387         }
388         fprintf(file_o, "0\n");
389         ret = 0;
390 close:
391         if (ret)
392                 DRV_LOG(DEBUG, "Failed to disable ROCE by sysfs: %d.", ret);
393         else
394                 DRV_LOG(INFO, "ROCE is disabled by sysfs successfully.");
395         fclose(file_o);
396         return ret;
397 }
398
399 #define MLX5_VDPA_MAX_RETRIES 20
400 #define MLX5_VDPA_USEC 1000
401 static int
402 mlx5_vdpa_roce_disable(struct rte_pci_addr *addr, struct ibv_device **ibv)
403 {
404         char addr_name[64] = {0};
405
406         rte_pci_device_name(addr, addr_name, sizeof(addr_name));
407         /* Firstly try to disable ROCE by Netlink and fallback to sysfs. */
408         if (mlx5_vdpa_nl_roce_disable(addr_name) == 0 ||
409             mlx5_vdpa_sys_roce_disable(addr_name) == 0) {
410                 /*
411                  * Succeed to disable ROCE, wait for the IB device to appear
412                  * again after reload.
413                  */
414                 int r;
415                 struct ibv_device *ibv_new;
416
417                 for (r = MLX5_VDPA_MAX_RETRIES; r; r--) {
418                         ibv_new = mlx5_vdpa_get_ib_device_match(addr);
419                         if (ibv_new) {
420                                 *ibv = ibv_new;
421                                 return 0;
422                         }
423                         usleep(MLX5_VDPA_USEC);
424                 }
425                 DRV_LOG(ERR, "Cannot much device %s after ROCE disable, "
426                         "retries exceed %d", addr_name, MLX5_VDPA_MAX_RETRIES);
427                 rte_errno = EAGAIN;
428         }
429         return -rte_errno;
430 }
431
432 /**
433  * DPDK callback to register a PCI device.
434  *
435  * This function spawns vdpa device out of a given PCI device.
436  *
437  * @param[in] pci_drv
438  *   PCI driver structure (mlx5_vpda_driver).
439  * @param[in] pci_dev
440  *   PCI device information.
441  *
442  * @return
443  *   0 on success, 1 to skip this driver, a negative errno value otherwise
444  *   and rte_errno is set.
445  */
446 static int
447 mlx5_vdpa_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
448                     struct rte_pci_device *pci_dev __rte_unused)
449 {
450         struct ibv_device *ibv;
451         struct mlx5_vdpa_priv *priv = NULL;
452         struct ibv_context *ctx = NULL;
453         struct mlx5_hca_attr attr;
454         int ret;
455
456         if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_VDPA) {
457                 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
458                         " driver.");
459                 return 1;
460         }
461         ibv = mlx5_vdpa_get_ib_device_match(&pci_dev->addr);
462         if (!ibv) {
463                 DRV_LOG(ERR, "No matching IB device for PCI slot "
464                         PCI_PRI_FMT ".", pci_dev->addr.domain,
465                         pci_dev->addr.bus, pci_dev->addr.devid,
466                         pci_dev->addr.function);
467                 return -rte_errno;
468         } else {
469                 DRV_LOG(INFO, "PCI information matches for device \"%s\".",
470                         ibv->name);
471         }
472         if (mlx5_vdpa_roce_disable(&pci_dev->addr, &ibv) != 0) {
473                 DRV_LOG(WARNING, "Failed to disable ROCE for \"%s\".",
474                         ibv->name);
475                 return -rte_errno;
476         }
477         ctx = mlx5_glue->dv_open_device(ibv);
478         if (!ctx) {
479                 DRV_LOG(ERR, "Failed to open IB device \"%s\".", ibv->name);
480                 rte_errno = ENODEV;
481                 return -rte_errno;
482         }
483         priv = rte_zmalloc("mlx5 vDPA device private", sizeof(*priv),
484                            RTE_CACHE_LINE_SIZE);
485         if (!priv) {
486                 DRV_LOG(ERR, "Failed to allocate private memory.");
487                 rte_errno = ENOMEM;
488                 goto error;
489         }
490         ret = mlx5_devx_cmd_query_hca_attr(ctx, &attr);
491         if (ret) {
492                 DRV_LOG(ERR, "Unable to read HCA capabilities.");
493                 rte_errno = ENOTSUP;
494                 goto error;
495         } else {
496                 if (!attr.vdpa.valid || !attr.vdpa.max_num_virtio_queues) {
497                         DRV_LOG(ERR, "Not enough capabilities to support vdpa,"
498                                 " maybe old FW/OFED version?");
499                         rte_errno = ENOTSUP;
500                         goto error;
501                 }
502                 priv->caps = attr.vdpa;
503                 priv->log_max_rqt_size = attr.log_max_rqt_size;
504         }
505         priv->ctx = ctx;
506         priv->dev_addr.pci_addr = pci_dev->addr;
507         priv->dev_addr.type = VDPA_ADDR_PCI;
508         priv->var = mlx5_glue->dv_alloc_var(ctx, 0);
509         if (!priv->var) {
510                 DRV_LOG(ERR, "Failed to allocate VAR %u.\n", errno);
511                 goto error;
512         }
513         priv->id = rte_vdpa_register_device(&priv->dev_addr, &mlx5_vdpa_ops);
514         if (priv->id < 0) {
515                 DRV_LOG(ERR, "Failed to register vDPA device.");
516                 rte_errno = rte_errno ? rte_errno : EINVAL;
517                 goto error;
518         }
519         SLIST_INIT(&priv->mr_list);
520         SLIST_INIT(&priv->virtq_list);
521         pthread_mutex_lock(&priv_list_lock);
522         TAILQ_INSERT_TAIL(&priv_list, priv, next);
523         pthread_mutex_unlock(&priv_list_lock);
524         return 0;
525
526 error:
527         if (priv) {
528                 if (priv->var)
529                         mlx5_glue->dv_free_var(priv->var);
530                 rte_free(priv);
531         }
532         if (ctx)
533                 mlx5_glue->close_device(ctx);
534         return -rte_errno;
535 }
536
537 /**
538  * DPDK callback to remove a PCI device.
539  *
540  * This function removes all vDPA devices belong to a given PCI device.
541  *
542  * @param[in] pci_dev
543  *   Pointer to the PCI device.
544  *
545  * @return
546  *   0 on success, the function cannot fail.
547  */
548 static int
549 mlx5_vdpa_pci_remove(struct rte_pci_device *pci_dev)
550 {
551         struct mlx5_vdpa_priv *priv = NULL;
552         int found = 0;
553
554         pthread_mutex_lock(&priv_list_lock);
555         TAILQ_FOREACH(priv, &priv_list, next) {
556                 if (memcmp(&priv->dev_addr.pci_addr, &pci_dev->addr,
557                            sizeof(pci_dev->addr)) == 0) {
558                         found = 1;
559                         break;
560                 }
561         }
562         if (found)
563                 TAILQ_REMOVE(&priv_list, priv, next);
564         pthread_mutex_unlock(&priv_list_lock);
565         if (found) {
566                 if (priv->configured)
567                         mlx5_vdpa_dev_close(priv->vid);
568                 if (priv->var) {
569                         mlx5_glue->dv_free_var(priv->var);
570                         priv->var = NULL;
571                 }
572                 mlx5_glue->close_device(priv->ctx);
573                 rte_free(priv);
574         }
575         return 0;
576 }
577
578 static const struct rte_pci_id mlx5_vdpa_pci_id_map[] = {
579         {
580                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
581                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6)
582         },
583         {
584                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
585                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
586         },
587         {
588                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
589                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DX)
590         },
591         {
592                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
593                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF)
594         },
595         {
596                 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
597                                 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
598         },
599         {
600                 .vendor_id = 0
601         }
602 };
603
604 static struct rte_pci_driver mlx5_vdpa_driver = {
605         .driver = {
606                 .name = "mlx5_vdpa",
607         },
608         .id_table = mlx5_vdpa_pci_id_map,
609         .probe = mlx5_vdpa_pci_probe,
610         .remove = mlx5_vdpa_pci_remove,
611         .drv_flags = 0,
612 };
613
614 /**
615  * Driver initialization routine.
616  */
617 RTE_INIT(rte_mlx5_vdpa_init)
618 {
619         /* Initialize common log type. */
620         mlx5_vdpa_logtype = rte_log_register("pmd.vdpa.mlx5");
621         if (mlx5_vdpa_logtype >= 0)
622                 rte_log_set_level(mlx5_vdpa_logtype, RTE_LOG_NOTICE);
623         if (mlx5_glue)
624                 rte_pci_register(&mlx5_vdpa_driver);
625 }
626
627 RTE_PMD_EXPORT_NAME(net_mlx5_vdpa, __COUNTER__);
628 RTE_PMD_REGISTER_PCI_TABLE(net_mlx5_vdpa, mlx5_vdpa_pci_id_map);
629 RTE_PMD_REGISTER_KMOD_DEP(net_mlx5_vdpa, "* ib_uverbs & mlx5_core & mlx5_ib");