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71ee6730 DS |
1 | /* This file is part of the Emulex RoCE Device Driver for |
2 | * RoCE (RDMA over Converged Ethernet) adapters. | |
3 | * Copyright (C) 2012-2015 Emulex. All rights reserved. | |
4 | * EMULEX and SLI are trademarks of Emulex. | |
5 | * www.emulex.com | |
6 | * | |
7 | * This software is available to you under a choice of one of two licenses. | |
8 | * You may choose to be licensed under the terms of the GNU General Public | |
9 | * License (GPL) Version 2, available from the file COPYING in the main | |
10 | * directory of this source tree, or the BSD license below: | |
11 | * | |
12 | * Redistribution and use in source and binary forms, with or without | |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * - Redistributions of source code must retain the above copyright notice, | |
17 | * this list of conditions and the following disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above copyright | |
20 | * notice, this list of conditions and the following disclaimer in | |
21 | * the documentation and/or other materials provided with the distribution. | |
22 | * | |
23 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,THE | |
25 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
26 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
27 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
28 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
29 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
30 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | |
31 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | |
32 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
33 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
fe2caefc PP |
34 | * |
35 | * Contact Information: | |
36 | * linux-drivers@emulex.com | |
37 | * | |
38 | * Emulex | |
39 | * 3333 Susan Street | |
40 | * Costa Mesa, CA 92626 | |
71ee6730 | 41 | */ |
fe2caefc PP |
42 | |
43 | #include <linux/module.h> | |
fe2caefc PP |
44 | #include <linux/idr.h> |
45 | #include <rdma/ib_verbs.h> | |
46 | #include <rdma/ib_user_verbs.h> | |
47 | #include <rdma/ib_addr.h> | |
337877a4 | 48 | #include <rdma/ib_mad.h> |
fe2caefc PP |
49 | |
50 | #include <linux/netdevice.h> | |
51 | #include <net/addrconf.h> | |
52 | ||
53 | #include "ocrdma.h" | |
54 | #include "ocrdma_verbs.h" | |
55 | #include "ocrdma_ah.h" | |
56 | #include "be_roce.h" | |
57 | #include "ocrdma_hw.h" | |
a51f06e1 | 58 | #include "ocrdma_stats.h" |
a7fe7380 | 59 | #include <rdma/ocrdma-abi.h> |
fe2caefc | 60 | |
0154410b | 61 | MODULE_DESCRIPTION(OCRDMA_ROCE_DRV_DESC " " OCRDMA_ROCE_DRV_VERSION); |
fe2caefc | 62 | MODULE_AUTHOR("Emulex Corporation"); |
b8f5595e | 63 | MODULE_LICENSE("Dual BSD/GPL"); |
fe2caefc | 64 | |
fe2caefc PP |
65 | static DEFINE_IDR(ocrdma_dev_id); |
66 | ||
fe2caefc PP |
67 | void ocrdma_get_guid(struct ocrdma_dev *dev, u8 *guid) |
68 | { | |
69 | u8 mac_addr[6]; | |
70 | ||
71 | memcpy(&mac_addr[0], &dev->nic_info.mac_addr[0], ETH_ALEN); | |
72 | guid[0] = mac_addr[0] ^ 2; | |
73 | guid[1] = mac_addr[1]; | |
74 | guid[2] = mac_addr[2]; | |
75 | guid[3] = 0xff; | |
76 | guid[4] = 0xfe; | |
77 | guid[5] = mac_addr[3]; | |
78 | guid[6] = mac_addr[4]; | |
79 | guid[7] = mac_addr[5]; | |
80 | } | |
fe2caefc PP |
81 | static enum rdma_link_layer ocrdma_link_layer(struct ib_device *device, |
82 | u8 port_num) | |
83 | { | |
84 | return IB_LINK_LAYER_ETHERNET; | |
85 | } | |
86 | ||
7738613e IW |
87 | static int ocrdma_port_immutable(struct ib_device *ibdev, u8 port_num, |
88 | struct ib_port_immutable *immutable) | |
89 | { | |
90 | struct ib_port_attr attr; | |
e1614869 | 91 | struct ocrdma_dev *dev; |
7738613e IW |
92 | int err; |
93 | ||
e1614869 | 94 | dev = get_ocrdma_dev(ibdev); |
c4550c63 OG |
95 | immutable->core_cap_flags = RDMA_CORE_PORT_IBA_ROCE; |
96 | if (ocrdma_is_udp_encap_supported(dev)) | |
97 | immutable->core_cap_flags |= RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP; | |
98 | ||
99 | err = ib_query_port(ibdev, port_num, &attr); | |
7738613e IW |
100 | if (err) |
101 | return err; | |
102 | ||
103 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
104 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
337877a4 | 105 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; |
7738613e IW |
106 | |
107 | return 0; | |
108 | } | |
109 | ||
9abb0d1b | 110 | static void get_dev_fw_str(struct ib_device *device, char *str) |
bd395005 IW |
111 | { |
112 | struct ocrdma_dev *dev = get_ocrdma_dev(device); | |
113 | ||
9abb0d1b | 114 | snprintf(str, IB_FW_VERSION_NAME_MAX, "%s", &dev->attr.fw_ver[0]); |
bd395005 IW |
115 | } |
116 | ||
abe3afac | 117 | static int ocrdma_register_device(struct ocrdma_dev *dev) |
fe2caefc PP |
118 | { |
119 | strlcpy(dev->ibdev.name, "ocrdma%d", IB_DEVICE_NAME_MAX); | |
120 | ocrdma_get_guid(dev, (u8 *)&dev->ibdev.node_guid); | |
bd99fdea | 121 | BUILD_BUG_ON(sizeof(OCRDMA_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX); |
fe2caefc PP |
122 | memcpy(dev->ibdev.node_desc, OCRDMA_NODE_DESC, |
123 | sizeof(OCRDMA_NODE_DESC)); | |
124 | dev->ibdev.owner = THIS_MODULE; | |
38754397 | 125 | dev->ibdev.uverbs_abi_ver = OCRDMA_ABI_VERSION; |
fe2caefc PP |
126 | dev->ibdev.uverbs_cmd_mask = |
127 | OCRDMA_UVERBS(GET_CONTEXT) | | |
128 | OCRDMA_UVERBS(QUERY_DEVICE) | | |
129 | OCRDMA_UVERBS(QUERY_PORT) | | |
130 | OCRDMA_UVERBS(ALLOC_PD) | | |
131 | OCRDMA_UVERBS(DEALLOC_PD) | | |
132 | OCRDMA_UVERBS(REG_MR) | | |
133 | OCRDMA_UVERBS(DEREG_MR) | | |
134 | OCRDMA_UVERBS(CREATE_COMP_CHANNEL) | | |
135 | OCRDMA_UVERBS(CREATE_CQ) | | |
136 | OCRDMA_UVERBS(RESIZE_CQ) | | |
137 | OCRDMA_UVERBS(DESTROY_CQ) | | |
138 | OCRDMA_UVERBS(REQ_NOTIFY_CQ) | | |
139 | OCRDMA_UVERBS(CREATE_QP) | | |
140 | OCRDMA_UVERBS(MODIFY_QP) | | |
141 | OCRDMA_UVERBS(QUERY_QP) | | |
142 | OCRDMA_UVERBS(DESTROY_QP) | | |
143 | OCRDMA_UVERBS(POLL_CQ) | | |
144 | OCRDMA_UVERBS(POST_SEND) | | |
145 | OCRDMA_UVERBS(POST_RECV); | |
146 | ||
147 | dev->ibdev.uverbs_cmd_mask |= | |
148 | OCRDMA_UVERBS(CREATE_AH) | | |
149 | OCRDMA_UVERBS(MODIFY_AH) | | |
150 | OCRDMA_UVERBS(QUERY_AH) | | |
151 | OCRDMA_UVERBS(DESTROY_AH); | |
152 | ||
153 | dev->ibdev.node_type = RDMA_NODE_IB_CA; | |
154 | dev->ibdev.phys_port_cnt = 1; | |
0c0eacdc | 155 | dev->ibdev.num_comp_vectors = dev->eq_cnt; |
fe2caefc PP |
156 | |
157 | /* mandatory verbs. */ | |
158 | dev->ibdev.query_device = ocrdma_query_device; | |
159 | dev->ibdev.query_port = ocrdma_query_port; | |
160 | dev->ibdev.modify_port = ocrdma_modify_port; | |
cc36929e | 161 | dev->ibdev.get_netdev = ocrdma_get_netdev; |
fe2caefc PP |
162 | dev->ibdev.get_link_layer = ocrdma_link_layer; |
163 | dev->ibdev.alloc_pd = ocrdma_alloc_pd; | |
164 | dev->ibdev.dealloc_pd = ocrdma_dealloc_pd; | |
165 | ||
166 | dev->ibdev.create_cq = ocrdma_create_cq; | |
167 | dev->ibdev.destroy_cq = ocrdma_destroy_cq; | |
168 | dev->ibdev.resize_cq = ocrdma_resize_cq; | |
169 | ||
170 | dev->ibdev.create_qp = ocrdma_create_qp; | |
171 | dev->ibdev.modify_qp = ocrdma_modify_qp; | |
172 | dev->ibdev.query_qp = ocrdma_query_qp; | |
173 | dev->ibdev.destroy_qp = ocrdma_destroy_qp; | |
174 | ||
175 | dev->ibdev.query_pkey = ocrdma_query_pkey; | |
176 | dev->ibdev.create_ah = ocrdma_create_ah; | |
177 | dev->ibdev.destroy_ah = ocrdma_destroy_ah; | |
178 | dev->ibdev.query_ah = ocrdma_query_ah; | |
179 | dev->ibdev.modify_ah = ocrdma_modify_ah; | |
180 | ||
181 | dev->ibdev.poll_cq = ocrdma_poll_cq; | |
182 | dev->ibdev.post_send = ocrdma_post_send; | |
183 | dev->ibdev.post_recv = ocrdma_post_recv; | |
184 | dev->ibdev.req_notify_cq = ocrdma_arm_cq; | |
185 | ||
186 | dev->ibdev.get_dma_mr = ocrdma_get_dma_mr; | |
187 | dev->ibdev.dereg_mr = ocrdma_dereg_mr; | |
188 | dev->ibdev.reg_user_mr = ocrdma_reg_user_mr; | |
189 | ||
cacb7d59 | 190 | dev->ibdev.alloc_mr = ocrdma_alloc_mr; |
2eaa1c56 | 191 | dev->ibdev.map_mr_sg = ocrdma_map_mr_sg; |
7c33880c | 192 | |
fe2caefc PP |
193 | /* mandatory to support user space verbs consumer. */ |
194 | dev->ibdev.alloc_ucontext = ocrdma_alloc_ucontext; | |
195 | dev->ibdev.dealloc_ucontext = ocrdma_dealloc_ucontext; | |
196 | dev->ibdev.mmap = ocrdma_mmap; | |
e6a73f26 | 197 | dev->ibdev.dev.parent = &dev->nic_info.pdev->dev; |
fe2caefc PP |
198 | |
199 | dev->ibdev.process_mad = ocrdma_process_mad; | |
7738613e | 200 | dev->ibdev.get_port_immutable = ocrdma_port_immutable; |
bd395005 | 201 | dev->ibdev.get_dev_fw_str = get_dev_fw_str; |
fe2caefc | 202 | |
21c3391a | 203 | if (ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R) { |
fe2caefc PP |
204 | dev->ibdev.uverbs_cmd_mask |= |
205 | OCRDMA_UVERBS(CREATE_SRQ) | | |
206 | OCRDMA_UVERBS(MODIFY_SRQ) | | |
207 | OCRDMA_UVERBS(QUERY_SRQ) | | |
208 | OCRDMA_UVERBS(DESTROY_SRQ) | | |
209 | OCRDMA_UVERBS(POST_SRQ_RECV); | |
210 | ||
211 | dev->ibdev.create_srq = ocrdma_create_srq; | |
212 | dev->ibdev.modify_srq = ocrdma_modify_srq; | |
213 | dev->ibdev.query_srq = ocrdma_query_srq; | |
214 | dev->ibdev.destroy_srq = ocrdma_destroy_srq; | |
215 | dev->ibdev.post_srq_recv = ocrdma_post_srq_recv; | |
216 | } | |
0ede73bc | 217 | dev->ibdev.driver_id = RDMA_DRIVER_OCRDMA; |
fe2caefc PP |
218 | return ib_register_device(&dev->ibdev, NULL); |
219 | } | |
220 | ||
221 | static int ocrdma_alloc_resources(struct ocrdma_dev *dev) | |
222 | { | |
223 | mutex_init(&dev->dev_lock); | |
6396bb22 KC |
224 | dev->cq_tbl = kcalloc(OCRDMA_MAX_CQ, sizeof(struct ocrdma_cq *), |
225 | GFP_KERNEL); | |
fe2caefc PP |
226 | if (!dev->cq_tbl) |
227 | goto alloc_err; | |
228 | ||
229 | if (dev->attr.max_qp) { | |
6396bb22 KC |
230 | dev->qp_tbl = kcalloc(OCRDMA_MAX_QP, |
231 | sizeof(struct ocrdma_qp *), | |
232 | GFP_KERNEL); | |
fe2caefc PP |
233 | if (!dev->qp_tbl) |
234 | goto alloc_err; | |
235 | } | |
4f1df844 | 236 | |
6396bb22 | 237 | dev->stag_arr = kcalloc(OCRDMA_MAX_STAG, sizeof(u64), GFP_KERNEL); |
4f1df844 SX |
238 | if (dev->stag_arr == NULL) |
239 | goto alloc_err; | |
240 | ||
9ba1377d MA |
241 | ocrdma_alloc_pd_pool(dev); |
242 | ||
fd98d896 SX |
243 | if (!ocrdma_alloc_stats_resources(dev)) { |
244 | pr_err("%s: stats resource allocation failed\n", __func__); | |
245 | goto alloc_err; | |
246 | } | |
247 | ||
fe2caefc PP |
248 | spin_lock_init(&dev->av_tbl.lock); |
249 | spin_lock_init(&dev->flush_q_lock); | |
250 | return 0; | |
251 | alloc_err: | |
ef99c4c2 | 252 | pr_err("%s(%d) error.\n", __func__, dev->id); |
fe2caefc PP |
253 | return -ENOMEM; |
254 | } | |
255 | ||
256 | static void ocrdma_free_resources(struct ocrdma_dev *dev) | |
257 | { | |
fd98d896 | 258 | ocrdma_release_stats_resources(dev); |
4f1df844 | 259 | kfree(dev->stag_arr); |
fe2caefc PP |
260 | kfree(dev->qp_tbl); |
261 | kfree(dev->cq_tbl); | |
fe2caefc PP |
262 | } |
263 | ||
334b8db3 SX |
264 | /* OCRDMA sysfs interface */ |
265 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, | |
266 | char *buf) | |
267 | { | |
268 | struct ocrdma_dev *dev = dev_get_drvdata(device); | |
269 | ||
270 | return scnprintf(buf, PAGE_SIZE, "0x%x\n", dev->nic_info.pdev->vendor); | |
271 | } | |
272 | ||
4808b184 SX |
273 | static ssize_t show_hca_type(struct device *device, |
274 | struct device_attribute *attr, char *buf) | |
275 | { | |
276 | struct ocrdma_dev *dev = dev_get_drvdata(device); | |
277 | ||
278 | return scnprintf(buf, PAGE_SIZE, "%s\n", &dev->model_number[0]); | |
334b8db3 SX |
279 | } |
280 | ||
281 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
4808b184 | 282 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca_type, NULL); |
334b8db3 SX |
283 | |
284 | static struct device_attribute *ocrdma_attributes[] = { | |
285 | &dev_attr_hw_rev, | |
4808b184 | 286 | &dev_attr_hca_type |
334b8db3 SX |
287 | }; |
288 | ||
289 | static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev) | |
290 | { | |
291 | int i; | |
292 | ||
293 | for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++) | |
294 | device_remove_file(&dev->ibdev.dev, ocrdma_attributes[i]); | |
295 | } | |
296 | ||
fe2caefc PP |
297 | static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info) |
298 | { | |
334b8db3 | 299 | int status = 0, i; |
3b1ea430 | 300 | u8 lstate = 0; |
fe2caefc PP |
301 | struct ocrdma_dev *dev; |
302 | ||
303 | dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev)); | |
304 | if (!dev) { | |
ef99c4c2 | 305 | pr_err("Unable to allocate ib device\n"); |
fe2caefc PP |
306 | return NULL; |
307 | } | |
308 | dev->mbx_cmd = kzalloc(sizeof(struct ocrdma_mqe_emb_cmd), GFP_KERNEL); | |
309 | if (!dev->mbx_cmd) | |
310 | goto idr_err; | |
311 | ||
312 | memcpy(&dev->nic_info, dev_info, sizeof(*dev_info)); | |
cffcd59f | 313 | dev->id = idr_alloc(&ocrdma_dev_id, NULL, 0, 0, GFP_KERNEL); |
fe2caefc PP |
314 | if (dev->id < 0) |
315 | goto idr_err; | |
316 | ||
317 | status = ocrdma_init_hw(dev); | |
318 | if (status) | |
319 | goto init_err; | |
320 | ||
321 | status = ocrdma_alloc_resources(dev); | |
322 | if (status) | |
323 | goto alloc_err; | |
324 | ||
31dbdd9a | 325 | ocrdma_init_service_level(dev); |
fe2caefc PP |
326 | status = ocrdma_register_device(dev); |
327 | if (status) | |
328 | goto alloc_err; | |
329 | ||
3b1ea430 DS |
330 | /* Query Link state and update */ |
331 | status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate); | |
332 | if (!status) | |
333 | ocrdma_update_link_state(dev, lstate); | |
334 | ||
334b8db3 SX |
335 | for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++) |
336 | if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i])) | |
337 | goto sysfs_err; | |
a51f06e1 SX |
338 | /* Init stats */ |
339 | ocrdma_add_port_stats(dev); | |
b4dbe8d5 MA |
340 | /* Interrupt Moderation */ |
341 | INIT_DELAYED_WORK(&dev->eqd_work, ocrdma_eqd_set_task); | |
342 | schedule_delayed_work(&dev->eqd_work, msecs_to_jiffies(1000)); | |
a51f06e1 SX |
343 | |
344 | pr_info("%s %s: %s \"%s\" port %d\n", | |
345 | dev_name(&dev->nic_info.pdev->dev), hca_name(dev), | |
346 | port_speed_string(dev), dev->model_number, | |
347 | dev->hba_port_num); | |
348 | pr_info("%s ocrdma%d driver loaded successfully\n", | |
349 | dev_name(&dev->nic_info.pdev->dev), dev->id); | |
fe2caefc PP |
350 | return dev; |
351 | ||
334b8db3 SX |
352 | sysfs_err: |
353 | ocrdma_remove_sysfiles(dev); | |
fe2caefc PP |
354 | alloc_err: |
355 | ocrdma_free_resources(dev); | |
356 | ocrdma_cleanup_hw(dev); | |
357 | init_err: | |
358 | idr_remove(&ocrdma_dev_id, dev->id); | |
359 | idr_err: | |
360 | kfree(dev->mbx_cmd); | |
361 | ib_dealloc_device(&dev->ibdev); | |
ef99c4c2 | 362 | pr_err("%s() leaving. ret=%d\n", __func__, status); |
fe2caefc PP |
363 | return NULL; |
364 | } | |
365 | ||
5a85f5e9 | 366 | static void ocrdma_remove_free(struct ocrdma_dev *dev) |
fe2caefc | 367 | { |
fe2caefc | 368 | |
fe2caefc PP |
369 | idr_remove(&ocrdma_dev_id, dev->id); |
370 | kfree(dev->mbx_cmd); | |
371 | ib_dealloc_device(&dev->ibdev); | |
372 | } | |
373 | ||
3e4d60a8 SL |
374 | static void ocrdma_remove(struct ocrdma_dev *dev) |
375 | { | |
376 | /* first unregister with stack to stop all the active traffic | |
377 | * of the registered clients. | |
378 | */ | |
b4dbe8d5 | 379 | cancel_delayed_work_sync(&dev->eqd_work); |
334b8db3 | 380 | ocrdma_remove_sysfiles(dev); |
3e4d60a8 | 381 | ib_unregister_device(&dev->ibdev); |
4b8180aa MA |
382 | |
383 | ocrdma_rem_port_stats(dev); | |
1852d1da NG |
384 | ocrdma_free_resources(dev); |
385 | ocrdma_cleanup_hw(dev); | |
5a85f5e9 | 386 | ocrdma_remove_free(dev); |
3e4d60a8 SL |
387 | } |
388 | ||
3b1ea430 | 389 | static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev) |
fe2caefc PP |
390 | { |
391 | struct ib_event port_event; | |
392 | ||
393 | port_event.event = IB_EVENT_PORT_ACTIVE; | |
394 | port_event.element.port_num = 1; | |
395 | port_event.device = &dev->ibdev; | |
396 | ib_dispatch_event(&port_event); | |
397 | return 0; | |
398 | } | |
399 | ||
3b1ea430 | 400 | static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev) |
fe2caefc | 401 | { |
fe2caefc | 402 | struct ib_event err_event; |
fe2caefc PP |
403 | |
404 | err_event.event = IB_EVENT_PORT_ERR; | |
405 | err_event.element.port_num = 1; | |
406 | err_event.device = &dev->ibdev; | |
407 | ib_dispatch_event(&err_event); | |
408 | return 0; | |
409 | } | |
410 | ||
efe45937 DS |
411 | static void ocrdma_shutdown(struct ocrdma_dev *dev) |
412 | { | |
3b1ea430 | 413 | ocrdma_dispatch_port_error(dev); |
efe45937 DS |
414 | ocrdma_remove(dev); |
415 | } | |
416 | ||
fe2caefc PP |
417 | /* event handling via NIC driver ensures that all the NIC specific |
418 | * initialization done before RoCE driver notifies | |
419 | * event to stack. | |
420 | */ | |
421 | static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event) | |
422 | { | |
423 | switch (event) { | |
efe45937 DS |
424 | case BE_DEV_SHUTDOWN: |
425 | ocrdma_shutdown(dev); | |
426 | break; | |
3b1ea430 DS |
427 | default: |
428 | break; | |
2b50176d | 429 | } |
fe2caefc PP |
430 | } |
431 | ||
3b1ea430 DS |
432 | void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate) |
433 | { | |
434 | if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) { | |
435 | dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT; | |
436 | if (!lstate) | |
437 | return; | |
438 | } | |
439 | ||
440 | if (!lstate) | |
441 | ocrdma_dispatch_port_error(dev); | |
442 | else | |
443 | ocrdma_dispatch_port_active(dev); | |
444 | } | |
445 | ||
abe3afac | 446 | static struct ocrdma_driver ocrdma_drv = { |
fe2caefc PP |
447 | .name = "ocrdma_driver", |
448 | .add = ocrdma_add, | |
449 | .remove = ocrdma_remove, | |
450 | .state_change_handler = ocrdma_event_handler, | |
b6b87d2e | 451 | .be_abi_version = OCRDMA_BE_ROCE_ABI_VERSION, |
fe2caefc PP |
452 | }; |
453 | ||
454 | static int __init ocrdma_init_module(void) | |
455 | { | |
456 | int status; | |
457 | ||
a51f06e1 SX |
458 | ocrdma_init_debugfs(); |
459 | ||
fe2caefc PP |
460 | status = be_roce_register_driver(&ocrdma_drv); |
461 | if (status) | |
2d8f57d5 | 462 | goto err_be_reg; |
34955669 | 463 | |
2d8f57d5 SX |
464 | return 0; |
465 | ||
466 | err_be_reg: | |
cc36929e | 467 | |
fe2caefc PP |
468 | return status; |
469 | } | |
470 | ||
471 | static void __exit ocrdma_exit_module(void) | |
472 | { | |
473 | be_roce_unregister_driver(&ocrdma_drv); | |
a51f06e1 | 474 | ocrdma_rem_debugfs(); |
d8b2ba7c | 475 | idr_destroy(&ocrdma_dev_id); |
fe2caefc PP |
476 | } |
477 | ||
478 | module_init(ocrdma_init_module); | |
479 | module_exit(ocrdma_exit_module); |