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cfdda9d7 SW |
1 | /* |
2 | * Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved. | |
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 | #include <linux/module.h> | |
33 | #include <linux/moduleparam.h> | |
34 | #include <linux/device.h> | |
35 | #include <linux/netdevice.h> | |
36 | #include <linux/etherdevice.h> | |
37 | #include <linux/delay.h> | |
38 | #include <linux/errno.h> | |
39 | #include <linux/list.h> | |
40 | #include <linux/spinlock.h> | |
41 | #include <linux/ethtool.h> | |
42 | #include <linux/rtnetlink.h> | |
43 | #include <linux/inetdevice.h> | |
44 | #include <linux/io.h> | |
45 | ||
46 | #include <asm/irq.h> | |
47 | #include <asm/byteorder.h> | |
48 | ||
49 | #include <rdma/iw_cm.h> | |
50 | #include <rdma/ib_verbs.h> | |
51 | #include <rdma/ib_smi.h> | |
52 | #include <rdma/ib_umem.h> | |
53 | #include <rdma/ib_user_verbs.h> | |
54 | ||
55 | #include "iw_cxgb4.h" | |
56 | ||
57 | static int fastreg_support; | |
58 | module_param(fastreg_support, int, 0644); | |
59 | MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=0)"); | |
60 | ||
61 | static int c4iw_modify_port(struct ib_device *ibdev, | |
62 | u8 port, int port_modify_mask, | |
63 | struct ib_port_modify *props) | |
64 | { | |
65 | return -ENOSYS; | |
66 | } | |
67 | ||
68 | static struct ib_ah *c4iw_ah_create(struct ib_pd *pd, | |
69 | struct ib_ah_attr *ah_attr) | |
70 | { | |
71 | return ERR_PTR(-ENOSYS); | |
72 | } | |
73 | ||
74 | static int c4iw_ah_destroy(struct ib_ah *ah) | |
75 | { | |
76 | return -ENOSYS; | |
77 | } | |
78 | ||
79 | static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
80 | { | |
81 | return -ENOSYS; | |
82 | } | |
83 | ||
84 | static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
85 | { | |
86 | return -ENOSYS; | |
87 | } | |
88 | ||
89 | static int c4iw_process_mad(struct ib_device *ibdev, int mad_flags, | |
90 | u8 port_num, struct ib_wc *in_wc, | |
91 | struct ib_grh *in_grh, struct ib_mad *in_mad, | |
92 | struct ib_mad *out_mad) | |
93 | { | |
94 | return -ENOSYS; | |
95 | } | |
96 | ||
97 | static int c4iw_dealloc_ucontext(struct ib_ucontext *context) | |
98 | { | |
99 | struct c4iw_dev *rhp = to_c4iw_dev(context->device); | |
100 | struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context); | |
101 | struct c4iw_mm_entry *mm, *tmp; | |
102 | ||
103 | PDBG("%s context %p\n", __func__, context); | |
104 | list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry) | |
105 | kfree(mm); | |
106 | c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx); | |
107 | kfree(ucontext); | |
108 | return 0; | |
109 | } | |
110 | ||
111 | static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev, | |
112 | struct ib_udata *udata) | |
113 | { | |
114 | struct c4iw_ucontext *context; | |
115 | struct c4iw_dev *rhp = to_c4iw_dev(ibdev); | |
116 | ||
117 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
118 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
119 | if (!context) | |
120 | return ERR_PTR(-ENOMEM); | |
121 | c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx); | |
122 | INIT_LIST_HEAD(&context->mmaps); | |
123 | spin_lock_init(&context->mmap_lock); | |
124 | return &context->ibucontext; | |
125 | } | |
126 | ||
127 | static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
128 | { | |
129 | int len = vma->vm_end - vma->vm_start; | |
130 | u32 key = vma->vm_pgoff << PAGE_SHIFT; | |
131 | struct c4iw_rdev *rdev; | |
132 | int ret = 0; | |
133 | struct c4iw_mm_entry *mm; | |
134 | struct c4iw_ucontext *ucontext; | |
135 | u64 addr; | |
136 | ||
137 | PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff, | |
138 | key, len); | |
139 | ||
140 | if (vma->vm_start & (PAGE_SIZE-1)) | |
141 | return -EINVAL; | |
142 | ||
143 | rdev = &(to_c4iw_dev(context->device)->rdev); | |
144 | ucontext = to_c4iw_ucontext(context); | |
145 | ||
146 | mm = remove_mmap(ucontext, key, len); | |
147 | if (!mm) | |
148 | return -EINVAL; | |
149 | addr = mm->addr; | |
150 | kfree(mm); | |
151 | ||
152 | if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) && | |
153 | (addr < (pci_resource_start(rdev->lldi.pdev, 2) + | |
154 | pci_resource_len(rdev->lldi.pdev, 2)))) { | |
155 | ||
156 | /* | |
157 | * Map T4 DB register. | |
158 | */ | |
159 | if (vma->vm_flags & VM_READ) | |
160 | return -EPERM; | |
161 | ||
162 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
163 | vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND; | |
164 | vma->vm_flags &= ~VM_MAYREAD; | |
165 | ret = io_remap_pfn_range(vma, vma->vm_start, | |
166 | addr >> PAGE_SHIFT, | |
167 | len, vma->vm_page_prot); | |
168 | } else { | |
169 | ||
170 | /* | |
171 | * Map WQ or CQ contig dma memory... | |
172 | */ | |
173 | ret = remap_pfn_range(vma, vma->vm_start, | |
174 | addr >> PAGE_SHIFT, | |
175 | len, vma->vm_page_prot); | |
176 | } | |
177 | ||
178 | return ret; | |
179 | } | |
180 | ||
181 | static int c4iw_deallocate_pd(struct ib_pd *pd) | |
182 | { | |
183 | struct c4iw_dev *rhp; | |
184 | struct c4iw_pd *php; | |
185 | ||
186 | php = to_c4iw_pd(pd); | |
187 | rhp = php->rhp; | |
188 | PDBG("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid); | |
189 | c4iw_put_resource(&rhp->rdev.resource.pdid_fifo, php->pdid, | |
190 | &rhp->rdev.resource.pdid_fifo_lock); | |
191 | kfree(php); | |
192 | return 0; | |
193 | } | |
194 | ||
195 | static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev, | |
196 | struct ib_ucontext *context, | |
197 | struct ib_udata *udata) | |
198 | { | |
199 | struct c4iw_pd *php; | |
200 | u32 pdid; | |
201 | struct c4iw_dev *rhp; | |
202 | ||
203 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
204 | rhp = (struct c4iw_dev *) ibdev; | |
205 | pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_fifo, | |
206 | &rhp->rdev.resource.pdid_fifo_lock); | |
207 | if (!pdid) | |
208 | return ERR_PTR(-EINVAL); | |
209 | php = kzalloc(sizeof(*php), GFP_KERNEL); | |
210 | if (!php) { | |
211 | c4iw_put_resource(&rhp->rdev.resource.pdid_fifo, pdid, | |
212 | &rhp->rdev.resource.pdid_fifo_lock); | |
213 | return ERR_PTR(-ENOMEM); | |
214 | } | |
215 | php->pdid = pdid; | |
216 | php->rhp = rhp; | |
217 | if (context) { | |
218 | if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) { | |
219 | c4iw_deallocate_pd(&php->ibpd); | |
220 | return ERR_PTR(-EFAULT); | |
221 | } | |
222 | } | |
223 | PDBG("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php); | |
224 | return &php->ibpd; | |
225 | } | |
226 | ||
227 | static int c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index, | |
228 | u16 *pkey) | |
229 | { | |
230 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
231 | *pkey = 0; | |
232 | return 0; | |
233 | } | |
234 | ||
235 | static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, | |
236 | union ib_gid *gid) | |
237 | { | |
238 | struct c4iw_dev *dev; | |
239 | ||
240 | PDBG("%s ibdev %p, port %d, index %d, gid %p\n", | |
241 | __func__, ibdev, port, index, gid); | |
242 | dev = to_c4iw_dev(ibdev); | |
243 | BUG_ON(port == 0); | |
244 | memset(&(gid->raw[0]), 0, sizeof(gid->raw)); | |
245 | memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6); | |
246 | return 0; | |
247 | } | |
248 | ||
249 | static int c4iw_query_device(struct ib_device *ibdev, | |
250 | struct ib_device_attr *props) | |
251 | { | |
252 | ||
253 | struct c4iw_dev *dev; | |
254 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
255 | ||
256 | dev = to_c4iw_dev(ibdev); | |
257 | memset(props, 0, sizeof *props); | |
258 | memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); | |
259 | props->hw_ver = dev->rdev.lldi.adapter_type; | |
260 | props->fw_ver = dev->rdev.lldi.fw_vers; | |
261 | props->device_cap_flags = dev->device_cap_flags; | |
262 | props->page_size_cap = T4_PAGESIZE_MASK; | |
263 | props->vendor_id = (u32)dev->rdev.lldi.pdev->vendor; | |
264 | props->vendor_part_id = (u32)dev->rdev.lldi.pdev->device; | |
265 | props->max_mr_size = T4_MAX_MR_SIZE; | |
266 | props->max_qp = T4_MAX_NUM_QP; | |
267 | props->max_qp_wr = T4_MAX_QP_DEPTH; | |
268 | props->max_sge = T4_MAX_RECV_SGE; | |
269 | props->max_sge_rd = 1; | |
be4c9bad RD |
270 | props->max_qp_rd_atom = c4iw_max_read_depth; |
271 | props->max_qp_init_rd_atom = c4iw_max_read_depth; | |
cfdda9d7 SW |
272 | props->max_cq = T4_MAX_NUM_CQ; |
273 | props->max_cqe = T4_MAX_CQ_DEPTH; | |
274 | props->max_mr = c4iw_num_stags(&dev->rdev); | |
275 | props->max_pd = T4_MAX_NUM_PD; | |
276 | props->local_ca_ack_delay = 0; | |
277 | props->max_fast_reg_page_list_len = T4_MAX_FR_DEPTH; | |
278 | ||
279 | return 0; | |
280 | } | |
281 | ||
282 | static int c4iw_query_port(struct ib_device *ibdev, u8 port, | |
283 | struct ib_port_attr *props) | |
284 | { | |
285 | struct c4iw_dev *dev; | |
286 | struct net_device *netdev; | |
287 | struct in_device *inetdev; | |
288 | ||
289 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
290 | ||
291 | dev = to_c4iw_dev(ibdev); | |
292 | netdev = dev->rdev.lldi.ports[port-1]; | |
293 | ||
294 | memset(props, 0, sizeof(struct ib_port_attr)); | |
295 | props->max_mtu = IB_MTU_4096; | |
296 | if (netdev->mtu >= 4096) | |
297 | props->active_mtu = IB_MTU_4096; | |
298 | else if (netdev->mtu >= 2048) | |
299 | props->active_mtu = IB_MTU_2048; | |
300 | else if (netdev->mtu >= 1024) | |
301 | props->active_mtu = IB_MTU_1024; | |
302 | else if (netdev->mtu >= 512) | |
303 | props->active_mtu = IB_MTU_512; | |
304 | else | |
305 | props->active_mtu = IB_MTU_256; | |
306 | ||
307 | if (!netif_carrier_ok(netdev)) | |
308 | props->state = IB_PORT_DOWN; | |
309 | else { | |
310 | inetdev = in_dev_get(netdev); | |
311 | if (inetdev) { | |
312 | if (inetdev->ifa_list) | |
313 | props->state = IB_PORT_ACTIVE; | |
314 | else | |
315 | props->state = IB_PORT_INIT; | |
316 | in_dev_put(inetdev); | |
317 | } else | |
318 | props->state = IB_PORT_INIT; | |
319 | } | |
320 | ||
321 | props->port_cap_flags = | |
322 | IB_PORT_CM_SUP | | |
323 | IB_PORT_SNMP_TUNNEL_SUP | | |
324 | IB_PORT_REINIT_SUP | | |
325 | IB_PORT_DEVICE_MGMT_SUP | | |
326 | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP; | |
327 | props->gid_tbl_len = 1; | |
328 | props->pkey_tbl_len = 1; | |
329 | props->active_width = 2; | |
330 | props->active_speed = 2; | |
331 | props->max_msg_sz = -1; | |
332 | ||
333 | return 0; | |
334 | } | |
335 | ||
336 | static ssize_t show_rev(struct device *dev, struct device_attribute *attr, | |
337 | char *buf) | |
338 | { | |
339 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
340 | ibdev.dev); | |
341 | PDBG("%s dev 0x%p\n", __func__, dev); | |
342 | return sprintf(buf, "%d\n", c4iw_dev->rdev.lldi.adapter_type); | |
343 | } | |
344 | ||
345 | static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, | |
346 | char *buf) | |
347 | { | |
348 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
349 | ibdev.dev); | |
350 | PDBG("%s dev 0x%p\n", __func__, dev); | |
351 | ||
352 | return sprintf(buf, "%u.%u.%u.%u\n", | |
353 | FW_HDR_FW_VER_MAJOR_GET(c4iw_dev->rdev.lldi.fw_vers), | |
354 | FW_HDR_FW_VER_MINOR_GET(c4iw_dev->rdev.lldi.fw_vers), | |
355 | FW_HDR_FW_VER_MICRO_GET(c4iw_dev->rdev.lldi.fw_vers), | |
356 | FW_HDR_FW_VER_BUILD_GET(c4iw_dev->rdev.lldi.fw_vers)); | |
357 | } | |
358 | ||
359 | static ssize_t show_hca(struct device *dev, struct device_attribute *attr, | |
360 | char *buf) | |
361 | { | |
362 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
363 | ibdev.dev); | |
364 | struct ethtool_drvinfo info; | |
365 | struct net_device *lldev = c4iw_dev->rdev.lldi.ports[0]; | |
366 | ||
367 | PDBG("%s dev 0x%p\n", __func__, dev); | |
368 | lldev->ethtool_ops->get_drvinfo(lldev, &info); | |
369 | return sprintf(buf, "%s\n", info.driver); | |
370 | } | |
371 | ||
372 | static ssize_t show_board(struct device *dev, struct device_attribute *attr, | |
373 | char *buf) | |
374 | { | |
375 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
376 | ibdev.dev); | |
377 | PDBG("%s dev 0x%p\n", __func__, dev); | |
378 | return sprintf(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor, | |
379 | c4iw_dev->rdev.lldi.pdev->device); | |
380 | } | |
381 | ||
382 | static int c4iw_get_mib(struct ib_device *ibdev, | |
383 | union rdma_protocol_stats *stats) | |
384 | { | |
385 | return -ENOSYS; | |
386 | } | |
387 | ||
388 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
389 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
390 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
391 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
392 | ||
393 | static struct device_attribute *c4iw_class_attributes[] = { | |
394 | &dev_attr_hw_rev, | |
395 | &dev_attr_fw_ver, | |
396 | &dev_attr_hca_type, | |
397 | &dev_attr_board_id, | |
398 | }; | |
399 | ||
400 | int c4iw_register_device(struct c4iw_dev *dev) | |
401 | { | |
402 | int ret; | |
403 | int i; | |
404 | ||
405 | PDBG("%s c4iw_dev %p\n", __func__, dev); | |
406 | BUG_ON(!dev->rdev.lldi.ports[0]); | |
407 | strlcpy(dev->ibdev.name, "cxgb4_%d", IB_DEVICE_NAME_MAX); | |
408 | memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid)); | |
409 | memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); | |
410 | dev->ibdev.owner = THIS_MODULE; | |
411 | dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW; | |
412 | if (fastreg_support) | |
413 | dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
414 | dev->ibdev.local_dma_lkey = 0; | |
415 | dev->ibdev.uverbs_cmd_mask = | |
416 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
417 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
418 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
419 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
420 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
421 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
422 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | | |
423 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
424 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
425 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
426 | (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) | | |
427 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
428 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
429 | (1ull << IB_USER_VERBS_CMD_POLL_CQ) | | |
430 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
431 | (1ull << IB_USER_VERBS_CMD_POST_SEND) | | |
432 | (1ull << IB_USER_VERBS_CMD_POST_RECV); | |
433 | dev->ibdev.node_type = RDMA_NODE_RNIC; | |
434 | memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC)); | |
435 | dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports; | |
436 | dev->ibdev.num_comp_vectors = 1; | |
437 | dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev); | |
438 | dev->ibdev.query_device = c4iw_query_device; | |
439 | dev->ibdev.query_port = c4iw_query_port; | |
440 | dev->ibdev.modify_port = c4iw_modify_port; | |
441 | dev->ibdev.query_pkey = c4iw_query_pkey; | |
442 | dev->ibdev.query_gid = c4iw_query_gid; | |
443 | dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext; | |
444 | dev->ibdev.dealloc_ucontext = c4iw_dealloc_ucontext; | |
445 | dev->ibdev.mmap = c4iw_mmap; | |
446 | dev->ibdev.alloc_pd = c4iw_allocate_pd; | |
447 | dev->ibdev.dealloc_pd = c4iw_deallocate_pd; | |
448 | dev->ibdev.create_ah = c4iw_ah_create; | |
449 | dev->ibdev.destroy_ah = c4iw_ah_destroy; | |
450 | dev->ibdev.create_qp = c4iw_create_qp; | |
451 | dev->ibdev.modify_qp = c4iw_ib_modify_qp; | |
452 | dev->ibdev.destroy_qp = c4iw_destroy_qp; | |
453 | dev->ibdev.create_cq = c4iw_create_cq; | |
454 | dev->ibdev.destroy_cq = c4iw_destroy_cq; | |
455 | dev->ibdev.resize_cq = c4iw_resize_cq; | |
456 | dev->ibdev.poll_cq = c4iw_poll_cq; | |
457 | dev->ibdev.get_dma_mr = c4iw_get_dma_mr; | |
458 | dev->ibdev.reg_phys_mr = c4iw_register_phys_mem; | |
459 | dev->ibdev.rereg_phys_mr = c4iw_reregister_phys_mem; | |
460 | dev->ibdev.reg_user_mr = c4iw_reg_user_mr; | |
461 | dev->ibdev.dereg_mr = c4iw_dereg_mr; | |
462 | dev->ibdev.alloc_mw = c4iw_alloc_mw; | |
463 | dev->ibdev.bind_mw = c4iw_bind_mw; | |
464 | dev->ibdev.dealloc_mw = c4iw_dealloc_mw; | |
465 | dev->ibdev.alloc_fast_reg_mr = c4iw_alloc_fast_reg_mr; | |
466 | dev->ibdev.alloc_fast_reg_page_list = c4iw_alloc_fastreg_pbl; | |
467 | dev->ibdev.free_fast_reg_page_list = c4iw_free_fastreg_pbl; | |
468 | dev->ibdev.attach_mcast = c4iw_multicast_attach; | |
469 | dev->ibdev.detach_mcast = c4iw_multicast_detach; | |
470 | dev->ibdev.process_mad = c4iw_process_mad; | |
471 | dev->ibdev.req_notify_cq = c4iw_arm_cq; | |
472 | dev->ibdev.post_send = c4iw_post_send; | |
473 | dev->ibdev.post_recv = c4iw_post_receive; | |
474 | dev->ibdev.get_protocol_stats = c4iw_get_mib; | |
475 | ||
476 | dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); | |
477 | if (!dev->ibdev.iwcm) | |
478 | return -ENOMEM; | |
479 | ||
480 | dev->ibdev.iwcm->connect = c4iw_connect; | |
481 | dev->ibdev.iwcm->accept = c4iw_accept_cr; | |
482 | dev->ibdev.iwcm->reject = c4iw_reject_cr; | |
483 | dev->ibdev.iwcm->create_listen = c4iw_create_listen; | |
484 | dev->ibdev.iwcm->destroy_listen = c4iw_destroy_listen; | |
485 | dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref; | |
486 | dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref; | |
487 | dev->ibdev.iwcm->get_qp = c4iw_get_qp; | |
488 | ||
9a6edb60 | 489 | ret = ib_register_device(&dev->ibdev, NULL); |
cfdda9d7 SW |
490 | if (ret) |
491 | goto bail1; | |
492 | ||
493 | for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) { | |
494 | ret = device_create_file(&dev->ibdev.dev, | |
495 | c4iw_class_attributes[i]); | |
496 | if (ret) | |
497 | goto bail2; | |
498 | } | |
1c01c538 | 499 | dev->registered = 1; |
cfdda9d7 SW |
500 | return 0; |
501 | bail2: | |
502 | ib_unregister_device(&dev->ibdev); | |
503 | bail1: | |
504 | kfree(dev->ibdev.iwcm); | |
505 | return ret; | |
506 | } | |
507 | ||
508 | void c4iw_unregister_device(struct c4iw_dev *dev) | |
509 | { | |
510 | int i; | |
511 | ||
512 | PDBG("%s c4iw_dev %p\n", __func__, dev); | |
513 | for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) | |
514 | device_remove_file(&dev->ibdev.dev, | |
515 | c4iw_class_attributes[i]); | |
516 | ib_unregister_device(&dev->ibdev); | |
517 | kfree(dev->ibdev.iwcm); | |
1c01c538 | 518 | dev->registered = 0; |
cfdda9d7 SW |
519 | return; |
520 | } |