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of: MSI: Simplify irqdomain lookup
[linux/fpc-iii.git] / drivers / infiniband / hw / cxgb4 / provider.c
blob0a7d99818b17d13384e32cb81446bd250647f85f
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 = 1;
58 module_param(fastreg_support, int, 0644);
59 MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)");
60
61 static struct ib_ah *c4iw_ah_create(struct ib_pd *pd,
62 struct ib_ah_attr *ah_attr)
63 {
64 return ERR_PTR(-ENOSYS);
65 }
66
67 static int c4iw_ah_destroy(struct ib_ah *ah)
68 {
69 return -ENOSYS;
70 }
71
72 static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
73 {
74 return -ENOSYS;
75 }
76
77 static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
78 {
79 return -ENOSYS;
80 }
81
82 static int c4iw_process_mad(struct ib_device *ibdev, int mad_flags,
83 u8 port_num, const struct ib_wc *in_wc,
84 const struct ib_grh *in_grh,
85 const struct ib_mad_hdr *in_mad,
86 size_t in_mad_size,
87 struct ib_mad_hdr *out_mad,
88 size_t *out_mad_size,
89 u16 *out_mad_pkey_index)
90 {
91 return -ENOSYS;
92 }
93
94 static int c4iw_dealloc_ucontext(struct ib_ucontext *context)
95 {
96 struct c4iw_dev *rhp = to_c4iw_dev(context->device);
97 struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context);
98 struct c4iw_mm_entry *mm, *tmp;
99
100 PDBG("%s context %p\n", __func__, context);
101 list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
102 kfree(mm);
103 c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx);
104 kfree(ucontext);
105 return 0;
106 }
107
108 static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev,
109 struct ib_udata *udata)
110 {
111 struct c4iw_ucontext *context;
112 struct c4iw_dev *rhp = to_c4iw_dev(ibdev);
113 static int warned;
114 struct c4iw_alloc_ucontext_resp uresp;
115 int ret = 0;
116 struct c4iw_mm_entry *mm = NULL;
117
118 PDBG("%s ibdev %p\n", __func__, ibdev);
119 context = kzalloc(sizeof(*context), GFP_KERNEL);
120 if (!context) {
121 ret = -ENOMEM;
122 goto err;
123 }
124
125 c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx);
126 INIT_LIST_HEAD(&context->mmaps);
127 spin_lock_init(&context->mmap_lock);
128
129 if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) {
130 if (!warned++)
131 pr_err(MOD "Warning - downlevel libcxgb4 (non-fatal), device status page disabled.");
132 rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED;
133 } else {
134 mm = kmalloc(sizeof(*mm), GFP_KERNEL);
135 if (!mm) {
136 ret = -ENOMEM;
137 goto err_free;
138 }
139
140 uresp.status_page_size = PAGE_SIZE;
141
142 spin_lock(&context->mmap_lock);
143 uresp.status_page_key = context->key;
144 context->key += PAGE_SIZE;
145 spin_unlock(&context->mmap_lock);
146
147 ret = ib_copy_to_udata(udata, &uresp,
148 sizeof(uresp) - sizeof(uresp.reserved));
149 if (ret)
150 goto err_mm;
151
152 mm->key = uresp.status_page_key;
153 mm->addr = virt_to_phys(rhp->rdev.status_page);
154 mm->len = PAGE_SIZE;
155 insert_mmap(context, mm);
156 }
157 return &context->ibucontext;
158 err_mm:
159 kfree(mm);
160 err_free:
161 kfree(context);
162 err:
163 return ERR_PTR(ret);
164 }
165
166 static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
167 {
168 int len = vma->vm_end - vma->vm_start;
169 u32 key = vma->vm_pgoff << PAGE_SHIFT;
170 struct c4iw_rdev *rdev;
171 int ret = 0;
172 struct c4iw_mm_entry *mm;
173 struct c4iw_ucontext *ucontext;
174 u64 addr;
175
176 PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff,
177 key, len);
178
179 if (vma->vm_start & (PAGE_SIZE-1))
180 return -EINVAL;
181
182 rdev = &(to_c4iw_dev(context->device)->rdev);
183 ucontext = to_c4iw_ucontext(context);
184
185 mm = remove_mmap(ucontext, key, len);
186 if (!mm)
187 return -EINVAL;
188 addr = mm->addr;
189 kfree(mm);
190
191 if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) &&
192 (addr < (pci_resource_start(rdev->lldi.pdev, 0) +
193 pci_resource_len(rdev->lldi.pdev, 0)))) {
194
195 /*
196 * MA_SYNC register...
197 */
198 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
199 ret = io_remap_pfn_range(vma, vma->vm_start,
200 addr >> PAGE_SHIFT,
201 len, vma->vm_page_prot);
202 } else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) &&
203 (addr < (pci_resource_start(rdev->lldi.pdev, 2) +
204 pci_resource_len(rdev->lldi.pdev, 2)))) {
205
206 /*
207 * Map user DB or OCQP memory...
208 */
209 if (addr >= rdev->oc_mw_pa)
210 vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
211 else {
212 if (!is_t4(rdev->lldi.adapter_type))
213 vma->vm_page_prot =
214 t4_pgprot_wc(vma->vm_page_prot);
215 else
216 vma->vm_page_prot =
217 pgprot_noncached(vma->vm_page_prot);
218 }
219 ret = io_remap_pfn_range(vma, vma->vm_start,
220 addr >> PAGE_SHIFT,
221 len, vma->vm_page_prot);
222 } else {
223
224 /*
225 * Map WQ or CQ contig dma memory...
226 */
227 ret = remap_pfn_range(vma, vma->vm_start,
228 addr >> PAGE_SHIFT,
229 len, vma->vm_page_prot);
230 }
231
232 return ret;
233 }
234
235 static int c4iw_deallocate_pd(struct ib_pd *pd)
236 {
237 struct c4iw_dev *rhp;
238 struct c4iw_pd *php;
239
240 php = to_c4iw_pd(pd);
241 rhp = php->rhp;
242 PDBG("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid);
243 c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid);
244 mutex_lock(&rhp->rdev.stats.lock);
245 rhp->rdev.stats.pd.cur--;
246 mutex_unlock(&rhp->rdev.stats.lock);
247 kfree(php);
248 return 0;
249 }
250
251 static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
252 struct ib_ucontext *context,
253 struct ib_udata *udata)
254 {
255 struct c4iw_pd *php;
256 u32 pdid;
257 struct c4iw_dev *rhp;
258
259 PDBG("%s ibdev %p\n", __func__, ibdev);
260 rhp = (struct c4iw_dev *) ibdev;
261 pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table);
262 if (!pdid)
263 return ERR_PTR(-EINVAL);
264 php = kzalloc(sizeof(*php), GFP_KERNEL);
265 if (!php) {
266 c4iw_put_resource(&rhp->rdev.resource.pdid_table, pdid);
267 return ERR_PTR(-ENOMEM);
268 }
269 php->pdid = pdid;
270 php->rhp = rhp;
271 if (context) {
272 if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) {
273 c4iw_deallocate_pd(&php->ibpd);
274 return ERR_PTR(-EFAULT);
275 }
276 }
277 mutex_lock(&rhp->rdev.stats.lock);
278 rhp->rdev.stats.pd.cur++;
279 if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max)
280 rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur;
281 mutex_unlock(&rhp->rdev.stats.lock);
282 PDBG("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php);
283 return &php->ibpd;
284 }
285
286 static int c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
287 u16 *pkey)
288 {
289 PDBG("%s ibdev %p\n", __func__, ibdev);
290 *pkey = 0;
291 return 0;
292 }
293
294 static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index,
295 union ib_gid *gid)
296 {
297 struct c4iw_dev *dev;
298
299 PDBG("%s ibdev %p, port %d, index %d, gid %p\n",
300 __func__, ibdev, port, index, gid);
301 dev = to_c4iw_dev(ibdev);
302 BUG_ON(port == 0);
303 memset(&(gid->raw[0]), 0, sizeof(gid->raw));
304 memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6);
305 return 0;
306 }
307
308 static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
309 struct ib_udata *uhw)
310 {
311
312 struct c4iw_dev *dev;
313
314 PDBG("%s ibdev %p\n", __func__, ibdev);
315
316 if (uhw->inlen || uhw->outlen)
317 return -EINVAL;
318
319 dev = to_c4iw_dev(ibdev);
320 memset(props, 0, sizeof *props);
321 memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);
322 props->hw_ver = CHELSIO_CHIP_RELEASE(dev->rdev.lldi.adapter_type);
323 props->fw_ver = dev->rdev.lldi.fw_vers;
324 props->device_cap_flags = dev->device_cap_flags;
325 props->page_size_cap = T4_PAGESIZE_MASK;
326 props->vendor_id = (u32)dev->rdev.lldi.pdev->vendor;
327 props->vendor_part_id = (u32)dev->rdev.lldi.pdev->device;
328 props->max_mr_size = T4_MAX_MR_SIZE;
329 props->max_qp = dev->rdev.lldi.vr->qp.size / 2;
330 props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth;
331 props->max_sge = T4_MAX_RECV_SGE;
332 props->max_sge_rd = 1;
333 props->max_res_rd_atom = dev->rdev.lldi.max_ird_adapter;
334 props->max_qp_rd_atom = min(dev->rdev.lldi.max_ordird_qp,
335 c4iw_max_read_depth);
336 props->max_qp_init_rd_atom = props->max_qp_rd_atom;
337 props->max_cq = dev->rdev.lldi.vr->qp.size;
338 props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth;
339 props->max_mr = c4iw_num_stags(&dev->rdev);
340 props->max_pd = T4_MAX_NUM_PD;
341 props->local_ca_ack_delay = 0;
342 props->max_fast_reg_page_list_len = t4_max_fr_depth(use_dsgl);
343
344 return 0;
345 }
346
347 static int c4iw_query_port(struct ib_device *ibdev, u8 port,
348 struct ib_port_attr *props)
349 {
350 struct c4iw_dev *dev;
351 struct net_device *netdev;
352 struct in_device *inetdev;
353
354 PDBG("%s ibdev %p\n", __func__, ibdev);
355
356 dev = to_c4iw_dev(ibdev);
357 netdev = dev->rdev.lldi.ports[port-1];
358
359 memset(props, 0, sizeof(struct ib_port_attr));
360 props->max_mtu = IB_MTU_4096;
361 if (netdev->mtu >= 4096)
362 props->active_mtu = IB_MTU_4096;
363 else if (netdev->mtu >= 2048)
364 props->active_mtu = IB_MTU_2048;
365 else if (netdev->mtu >= 1024)
366 props->active_mtu = IB_MTU_1024;
367 else if (netdev->mtu >= 512)
368 props->active_mtu = IB_MTU_512;
369 else
370 props->active_mtu = IB_MTU_256;
371
372 if (!netif_carrier_ok(netdev))
373 props->state = IB_PORT_DOWN;
374 else {
375 inetdev = in_dev_get(netdev);
376 if (inetdev) {
377 if (inetdev->ifa_list)
378 props->state = IB_PORT_ACTIVE;
379 else
380 props->state = IB_PORT_INIT;
381 in_dev_put(inetdev);
382 } else
383 props->state = IB_PORT_INIT;
384 }
385
386 props->port_cap_flags =
387 IB_PORT_CM_SUP |
388 IB_PORT_SNMP_TUNNEL_SUP |
389 IB_PORT_REINIT_SUP |
390 IB_PORT_DEVICE_MGMT_SUP |
391 IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
392 props->gid_tbl_len = 1;
393 props->pkey_tbl_len = 1;
394 props->active_width = 2;
395 props->active_speed = IB_SPEED_DDR;
396 props->max_msg_sz = -1;
397
398 return 0;
399 }
400
401 static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
402 char *buf)
403 {
404 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
405 ibdev.dev);
406 PDBG("%s dev 0x%p\n", __func__, dev);
407 return sprintf(buf, "%d\n",
408 CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type));
409 }
410
411 static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr,
412 char *buf)
413 {
414 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
415 ibdev.dev);
416 PDBG("%s dev 0x%p\n", __func__, dev);
417
418 return sprintf(buf, "%u.%u.%u.%u\n",
419 FW_HDR_FW_VER_MAJOR_G(c4iw_dev->rdev.lldi.fw_vers),
420 FW_HDR_FW_VER_MINOR_G(c4iw_dev->rdev.lldi.fw_vers),
421 FW_HDR_FW_VER_MICRO_G(c4iw_dev->rdev.lldi.fw_vers),
422 FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));
423 }
424
425 static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
426 char *buf)
427 {
428 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
429 ibdev.dev);
430 struct ethtool_drvinfo info;
431 struct net_device *lldev = c4iw_dev->rdev.lldi.ports[0];
432
433 PDBG("%s dev 0x%p\n", __func__, dev);
434 lldev->ethtool_ops->get_drvinfo(lldev, &info);
435 return sprintf(buf, "%s\n", info.driver);
436 }
437
438 static ssize_t show_board(struct device *dev, struct device_attribute *attr,
439 char *buf)
440 {
441 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
442 ibdev.dev);
443 PDBG("%s dev 0x%p\n", __func__, dev);
444 return sprintf(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor,
445 c4iw_dev->rdev.lldi.pdev->device);
446 }
447
448 static int c4iw_get_mib(struct ib_device *ibdev,
449 union rdma_protocol_stats *stats)
450 {
451 struct tp_tcp_stats v4, v6;
452 struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev);
453
454 cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
455 memset(stats, 0, sizeof *stats);
456 stats->iw.tcpInSegs = v4.tcp_in_segs + v6.tcp_in_segs;
457 stats->iw.tcpOutSegs = v4.tcp_out_segs + v6.tcp_out_segs;
458 stats->iw.tcpRetransSegs = v4.tcp_retrans_segs + v6.tcp_retrans_segs;
459 stats->iw.tcpOutRsts = v4.tcp_out_rsts + v6.tcp_out_rsts;
460
461 return 0;
462 }
463
464 static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
465 static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
466 static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
467 static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
468
469 static struct device_attribute *c4iw_class_attributes[] = {
470 &dev_attr_hw_rev,
471 &dev_attr_fw_ver,
472 &dev_attr_hca_type,
473 &dev_attr_board_id,
474 };
475
476 static int c4iw_port_immutable(struct ib_device *ibdev, u8 port_num,
477 struct ib_port_immutable *immutable)
478 {
479 struct ib_port_attr attr;
480 int err;
481
482 err = c4iw_query_port(ibdev, port_num, &attr);
483 if (err)
484 return err;
485
486 immutable->pkey_tbl_len = attr.pkey_tbl_len;
487 immutable->gid_tbl_len = attr.gid_tbl_len;
488 immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
489
490 return 0;
491 }
492
493 int c4iw_register_device(struct c4iw_dev *dev)
494 {
495 int ret;
496 int i;
497
498 PDBG("%s c4iw_dev %p\n", __func__, dev);
499 BUG_ON(!dev->rdev.lldi.ports[0]);
500 strlcpy(dev->ibdev.name, "cxgb4_%d", IB_DEVICE_NAME_MAX);
501 memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
502 memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);
503 dev->ibdev.owner = THIS_MODULE;
504 dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW;
505 if (fastreg_support)
506 dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
507 dev->ibdev.local_dma_lkey = 0;
508 dev->ibdev.uverbs_cmd_mask =
509 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
510 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
511 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
512 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
513 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
514 (1ull << IB_USER_VERBS_CMD_REG_MR) |
515 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
516 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
517 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
518 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
519 (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
520 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
521 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
522 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
523 (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
524 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
525 (1ull << IB_USER_VERBS_CMD_POST_SEND) |
526 (1ull << IB_USER_VERBS_CMD_POST_RECV);
527 dev->ibdev.node_type = RDMA_NODE_RNIC;
528 memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC));
529 dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports;
530 dev->ibdev.num_comp_vectors = dev->rdev.lldi.nciq;
531 dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
532 dev->ibdev.query_device = c4iw_query_device;
533 dev->ibdev.query_port = c4iw_query_port;
534 dev->ibdev.query_pkey = c4iw_query_pkey;
535 dev->ibdev.query_gid = c4iw_query_gid;
536 dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext;
537 dev->ibdev.dealloc_ucontext = c4iw_dealloc_ucontext;
538 dev->ibdev.mmap = c4iw_mmap;
539 dev->ibdev.alloc_pd = c4iw_allocate_pd;
540 dev->ibdev.dealloc_pd = c4iw_deallocate_pd;
541 dev->ibdev.create_ah = c4iw_ah_create;
542 dev->ibdev.destroy_ah = c4iw_ah_destroy;
543 dev->ibdev.create_qp = c4iw_create_qp;
544 dev->ibdev.modify_qp = c4iw_ib_modify_qp;
545 dev->ibdev.query_qp = c4iw_ib_query_qp;
546 dev->ibdev.destroy_qp = c4iw_destroy_qp;
547 dev->ibdev.create_cq = c4iw_create_cq;
548 dev->ibdev.destroy_cq = c4iw_destroy_cq;
549 dev->ibdev.resize_cq = c4iw_resize_cq;
550 dev->ibdev.poll_cq = c4iw_poll_cq;
551 dev->ibdev.get_dma_mr = c4iw_get_dma_mr;
552 dev->ibdev.reg_phys_mr = c4iw_register_phys_mem;
553 dev->ibdev.rereg_phys_mr = c4iw_reregister_phys_mem;
554 dev->ibdev.reg_user_mr = c4iw_reg_user_mr;
555 dev->ibdev.dereg_mr = c4iw_dereg_mr;
556 dev->ibdev.alloc_mw = c4iw_alloc_mw;
557 dev->ibdev.bind_mw = c4iw_bind_mw;
558 dev->ibdev.dealloc_mw = c4iw_dealloc_mw;
559 dev->ibdev.alloc_mr = c4iw_alloc_mr;
560 dev->ibdev.map_mr_sg = c4iw_map_mr_sg;
561 dev->ibdev.attach_mcast = c4iw_multicast_attach;
562 dev->ibdev.detach_mcast = c4iw_multicast_detach;
563 dev->ibdev.process_mad = c4iw_process_mad;
564 dev->ibdev.req_notify_cq = c4iw_arm_cq;
565 dev->ibdev.post_send = c4iw_post_send;
566 dev->ibdev.post_recv = c4iw_post_receive;
567 dev->ibdev.get_protocol_stats = c4iw_get_mib;
568 dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
569 dev->ibdev.get_port_immutable = c4iw_port_immutable;
570
571 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
572 if (!dev->ibdev.iwcm)
573 return -ENOMEM;
574
575 dev->ibdev.iwcm->connect = c4iw_connect;
576 dev->ibdev.iwcm->accept = c4iw_accept_cr;
577 dev->ibdev.iwcm->reject = c4iw_reject_cr;
578 dev->ibdev.iwcm->create_listen = c4iw_create_listen;
579 dev->ibdev.iwcm->destroy_listen = c4iw_destroy_listen;
580 dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref;
581 dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
582 dev->ibdev.iwcm->get_qp = c4iw_get_qp;
583
584 ret = ib_register_device(&dev->ibdev, NULL);
585 if (ret)
586 goto bail1;
587
588 for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) {
589 ret = device_create_file(&dev->ibdev.dev,
590 c4iw_class_attributes[i]);
591 if (ret)
592 goto bail2;
593 }
594 return 0;
595 bail2:
596 ib_unregister_device(&dev->ibdev);
597 bail1:
598 kfree(dev->ibdev.iwcm);
599 return ret;
600 }
601
602 void c4iw_unregister_device(struct c4iw_dev *dev)
603 {
604 int i;
605
606 PDBG("%s c4iw_dev %p\n", __func__, dev);
607 for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i)
608 device_remove_file(&dev->ibdev.dev,
609 c4iw_class_attributes[i]);
610 ib_unregister_device(&dev->ibdev);
611 kfree(dev->ibdev.iwcm);
612 return;
613 }
Linux with added FPC-III support