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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 | ||
40dbf6ee | 57 | static int fastreg_support = 1; |
cfdda9d7 | 58 | module_param(fastreg_support, int, 0644); |
40dbf6ee | 59 | MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)"); |
cfdda9d7 | 60 | |
cfdda9d7 SW |
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, struct ib_wc *in_wc, | |
84 | struct ib_grh *in_grh, struct ib_mad *in_mad, | |
85 | struct ib_mad *out_mad) | |
86 | { | |
87 | return -ENOSYS; | |
88 | } | |
89 | ||
90 | static int c4iw_dealloc_ucontext(struct ib_ucontext *context) | |
91 | { | |
92 | struct c4iw_dev *rhp = to_c4iw_dev(context->device); | |
93 | struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context); | |
94 | struct c4iw_mm_entry *mm, *tmp; | |
95 | ||
96 | PDBG("%s context %p\n", __func__, context); | |
97 | list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry) | |
98 | kfree(mm); | |
99 | c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx); | |
100 | kfree(ucontext); | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev, | |
105 | struct ib_udata *udata) | |
106 | { | |
107 | struct c4iw_ucontext *context; | |
108 | struct c4iw_dev *rhp = to_c4iw_dev(ibdev); | |
05eb2389 SW |
109 | static int warned; |
110 | struct c4iw_alloc_ucontext_resp uresp; | |
111 | int ret = 0; | |
112 | struct c4iw_mm_entry *mm = NULL; | |
cfdda9d7 SW |
113 | |
114 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
115 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
05eb2389 SW |
116 | if (!context) { |
117 | ret = -ENOMEM; | |
118 | goto err; | |
119 | } | |
120 | ||
cfdda9d7 SW |
121 | c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx); |
122 | INIT_LIST_HEAD(&context->mmaps); | |
123 | spin_lock_init(&context->mmap_lock); | |
05eb2389 | 124 | |
b7dfa889 | 125 | if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) { |
05eb2389 SW |
126 | if (!warned++) |
127 | pr_err(MOD "Warning - downlevel libcxgb4 (non-fatal), device status page disabled."); | |
128 | rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED; | |
129 | } else { | |
130 | mm = kmalloc(sizeof(*mm), GFP_KERNEL); | |
bfd2793c YD |
131 | if (!mm) { |
132 | ret = -ENOMEM; | |
05eb2389 | 133 | goto err_free; |
bfd2793c | 134 | } |
05eb2389 SW |
135 | |
136 | uresp.status_page_size = PAGE_SIZE; | |
137 | ||
138 | spin_lock(&context->mmap_lock); | |
139 | uresp.status_page_key = context->key; | |
140 | context->key += PAGE_SIZE; | |
141 | spin_unlock(&context->mmap_lock); | |
142 | ||
b7dfa889 YD |
143 | ret = ib_copy_to_udata(udata, &uresp, |
144 | sizeof(uresp) - sizeof(uresp.reserved)); | |
05eb2389 SW |
145 | if (ret) |
146 | goto err_mm; | |
147 | ||
148 | mm->key = uresp.status_page_key; | |
149 | mm->addr = virt_to_phys(rhp->rdev.status_page); | |
150 | mm->len = PAGE_SIZE; | |
151 | insert_mmap(context, mm); | |
152 | } | |
cfdda9d7 | 153 | return &context->ibucontext; |
05eb2389 SW |
154 | err_mm: |
155 | kfree(mm); | |
156 | err_free: | |
157 | kfree(context); | |
158 | err: | |
159 | return ERR_PTR(ret); | |
cfdda9d7 SW |
160 | } |
161 | ||
162 | static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
163 | { | |
164 | int len = vma->vm_end - vma->vm_start; | |
165 | u32 key = vma->vm_pgoff << PAGE_SHIFT; | |
166 | struct c4iw_rdev *rdev; | |
167 | int ret = 0; | |
168 | struct c4iw_mm_entry *mm; | |
169 | struct c4iw_ucontext *ucontext; | |
170 | u64 addr; | |
171 | ||
172 | PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff, | |
173 | key, len); | |
174 | ||
175 | if (vma->vm_start & (PAGE_SIZE-1)) | |
176 | return -EINVAL; | |
177 | ||
178 | rdev = &(to_c4iw_dev(context->device)->rdev); | |
179 | ucontext = to_c4iw_ucontext(context); | |
180 | ||
181 | mm = remove_mmap(ucontext, key, len); | |
182 | if (!mm) | |
183 | return -EINVAL; | |
184 | addr = mm->addr; | |
185 | kfree(mm); | |
186 | ||
c6d7b267 SW |
187 | if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) && |
188 | (addr < (pci_resource_start(rdev->lldi.pdev, 0) + | |
189 | pci_resource_len(rdev->lldi.pdev, 0)))) { | |
cfdda9d7 SW |
190 | |
191 | /* | |
c6d7b267 | 192 | * MA_SYNC register... |
cfdda9d7 | 193 | */ |
cfdda9d7 | 194 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
c6d7b267 SW |
195 | ret = io_remap_pfn_range(vma, vma->vm_start, |
196 | addr >> PAGE_SHIFT, | |
197 | len, vma->vm_page_prot); | |
198 | } else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) && | |
199 | (addr < (pci_resource_start(rdev->lldi.pdev, 2) + | |
200 | pci_resource_len(rdev->lldi.pdev, 2)))) { | |
201 | ||
202 | /* | |
203 | * Map user DB or OCQP memory... | |
204 | */ | |
205 | if (addr >= rdev->oc_mw_pa) | |
206 | vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot); | |
f079af7a VP |
207 | else { |
208 | if (is_t5(rdev->lldi.adapter_type)) | |
209 | vma->vm_page_prot = | |
210 | t4_pgprot_wc(vma->vm_page_prot); | |
211 | else | |
212 | vma->vm_page_prot = | |
213 | pgprot_noncached(vma->vm_page_prot); | |
214 | } | |
cfdda9d7 SW |
215 | ret = io_remap_pfn_range(vma, vma->vm_start, |
216 | addr >> PAGE_SHIFT, | |
217 | len, vma->vm_page_prot); | |
218 | } else { | |
219 | ||
220 | /* | |
221 | * Map WQ or CQ contig dma memory... | |
222 | */ | |
223 | ret = remap_pfn_range(vma, vma->vm_start, | |
224 | addr >> PAGE_SHIFT, | |
225 | len, vma->vm_page_prot); | |
226 | } | |
227 | ||
228 | return ret; | |
229 | } | |
230 | ||
231 | static int c4iw_deallocate_pd(struct ib_pd *pd) | |
232 | { | |
233 | struct c4iw_dev *rhp; | |
234 | struct c4iw_pd *php; | |
235 | ||
236 | php = to_c4iw_pd(pd); | |
237 | rhp = php->rhp; | |
238 | PDBG("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid); | |
ec3eead2 | 239 | c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid); |
8d81ef34 VP |
240 | mutex_lock(&rhp->rdev.stats.lock); |
241 | rhp->rdev.stats.pd.cur--; | |
242 | mutex_unlock(&rhp->rdev.stats.lock); | |
cfdda9d7 SW |
243 | kfree(php); |
244 | return 0; | |
245 | } | |
246 | ||
247 | static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev, | |
248 | struct ib_ucontext *context, | |
249 | struct ib_udata *udata) | |
250 | { | |
251 | struct c4iw_pd *php; | |
252 | u32 pdid; | |
253 | struct c4iw_dev *rhp; | |
254 | ||
255 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
256 | rhp = (struct c4iw_dev *) ibdev; | |
ec3eead2 | 257 | pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table); |
cfdda9d7 SW |
258 | if (!pdid) |
259 | return ERR_PTR(-EINVAL); | |
260 | php = kzalloc(sizeof(*php), GFP_KERNEL); | |
261 | if (!php) { | |
ec3eead2 | 262 | c4iw_put_resource(&rhp->rdev.resource.pdid_table, pdid); |
cfdda9d7 SW |
263 | return ERR_PTR(-ENOMEM); |
264 | } | |
265 | php->pdid = pdid; | |
266 | php->rhp = rhp; | |
267 | if (context) { | |
268 | if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) { | |
269 | c4iw_deallocate_pd(&php->ibpd); | |
270 | return ERR_PTR(-EFAULT); | |
271 | } | |
272 | } | |
8d81ef34 VP |
273 | mutex_lock(&rhp->rdev.stats.lock); |
274 | rhp->rdev.stats.pd.cur++; | |
275 | if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max) | |
276 | rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur; | |
277 | mutex_unlock(&rhp->rdev.stats.lock); | |
cfdda9d7 SW |
278 | PDBG("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php); |
279 | return &php->ibpd; | |
280 | } | |
281 | ||
282 | static int c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index, | |
283 | u16 *pkey) | |
284 | { | |
285 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
286 | *pkey = 0; | |
287 | return 0; | |
288 | } | |
289 | ||
290 | static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, | |
291 | union ib_gid *gid) | |
292 | { | |
293 | struct c4iw_dev *dev; | |
294 | ||
295 | PDBG("%s ibdev %p, port %d, index %d, gid %p\n", | |
296 | __func__, ibdev, port, index, gid); | |
297 | dev = to_c4iw_dev(ibdev); | |
298 | BUG_ON(port == 0); | |
299 | memset(&(gid->raw[0]), 0, sizeof(gid->raw)); | |
300 | memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6); | |
301 | return 0; | |
302 | } | |
303 | ||
304 | static int c4iw_query_device(struct ib_device *ibdev, | |
305 | struct ib_device_attr *props) | |
306 | { | |
307 | ||
308 | struct c4iw_dev *dev; | |
309 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
310 | ||
311 | dev = to_c4iw_dev(ibdev); | |
312 | memset(props, 0, sizeof *props); | |
313 | memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); | |
f079af7a | 314 | props->hw_ver = CHELSIO_CHIP_RELEASE(dev->rdev.lldi.adapter_type); |
cfdda9d7 SW |
315 | props->fw_ver = dev->rdev.lldi.fw_vers; |
316 | props->device_cap_flags = dev->device_cap_flags; | |
317 | props->page_size_cap = T4_PAGESIZE_MASK; | |
318 | props->vendor_id = (u32)dev->rdev.lldi.pdev->vendor; | |
319 | props->vendor_part_id = (u32)dev->rdev.lldi.pdev->device; | |
320 | props->max_mr_size = T4_MAX_MR_SIZE; | |
66eb19af | 321 | props->max_qp = dev->rdev.lldi.vr->qp.size / 2; |
04e10e21 | 322 | props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth; |
cfdda9d7 SW |
323 | props->max_sge = T4_MAX_RECV_SGE; |
324 | props->max_sge_rd = 1; | |
4c2c5763 HS |
325 | props->max_res_rd_atom = dev->rdev.lldi.max_ird_adapter; |
326 | props->max_qp_rd_atom = min(dev->rdev.lldi.max_ordird_qp, | |
327 | c4iw_max_read_depth); | |
328 | props->max_qp_init_rd_atom = props->max_qp_rd_atom; | |
66eb19af | 329 | props->max_cq = dev->rdev.lldi.vr->qp.size; |
04e10e21 | 330 | props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth; |
cfdda9d7 SW |
331 | props->max_mr = c4iw_num_stags(&dev->rdev); |
332 | props->max_pd = T4_MAX_NUM_PD; | |
333 | props->local_ca_ack_delay = 0; | |
a03d9f94 | 334 | props->max_fast_reg_page_list_len = t4_max_fr_depth(use_dsgl); |
cfdda9d7 SW |
335 | |
336 | return 0; | |
337 | } | |
338 | ||
339 | static int c4iw_query_port(struct ib_device *ibdev, u8 port, | |
340 | struct ib_port_attr *props) | |
341 | { | |
342 | struct c4iw_dev *dev; | |
343 | struct net_device *netdev; | |
344 | struct in_device *inetdev; | |
345 | ||
346 | PDBG("%s ibdev %p\n", __func__, ibdev); | |
347 | ||
348 | dev = to_c4iw_dev(ibdev); | |
349 | netdev = dev->rdev.lldi.ports[port-1]; | |
350 | ||
351 | memset(props, 0, sizeof(struct ib_port_attr)); | |
352 | props->max_mtu = IB_MTU_4096; | |
353 | if (netdev->mtu >= 4096) | |
354 | props->active_mtu = IB_MTU_4096; | |
355 | else if (netdev->mtu >= 2048) | |
356 | props->active_mtu = IB_MTU_2048; | |
357 | else if (netdev->mtu >= 1024) | |
358 | props->active_mtu = IB_MTU_1024; | |
359 | else if (netdev->mtu >= 512) | |
360 | props->active_mtu = IB_MTU_512; | |
361 | else | |
362 | props->active_mtu = IB_MTU_256; | |
363 | ||
364 | if (!netif_carrier_ok(netdev)) | |
365 | props->state = IB_PORT_DOWN; | |
366 | else { | |
367 | inetdev = in_dev_get(netdev); | |
368 | if (inetdev) { | |
369 | if (inetdev->ifa_list) | |
370 | props->state = IB_PORT_ACTIVE; | |
371 | else | |
372 | props->state = IB_PORT_INIT; | |
373 | in_dev_put(inetdev); | |
374 | } else | |
375 | props->state = IB_PORT_INIT; | |
376 | } | |
377 | ||
378 | props->port_cap_flags = | |
379 | IB_PORT_CM_SUP | | |
380 | IB_PORT_SNMP_TUNNEL_SUP | | |
381 | IB_PORT_REINIT_SUP | | |
382 | IB_PORT_DEVICE_MGMT_SUP | | |
383 | IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP; | |
384 | props->gid_tbl_len = 1; | |
385 | props->pkey_tbl_len = 1; | |
386 | props->active_width = 2; | |
2e96691c | 387 | props->active_speed = IB_SPEED_DDR; |
cfdda9d7 SW |
388 | props->max_msg_sz = -1; |
389 | ||
390 | return 0; | |
391 | } | |
392 | ||
393 | static ssize_t show_rev(struct device *dev, struct device_attribute *attr, | |
394 | char *buf) | |
395 | { | |
396 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
397 | ibdev.dev); | |
398 | PDBG("%s dev 0x%p\n", __func__, dev); | |
f079af7a VP |
399 | return sprintf(buf, "%d\n", |
400 | CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type)); | |
cfdda9d7 SW |
401 | } |
402 | ||
403 | static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, | |
404 | char *buf) | |
405 | { | |
406 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
407 | ibdev.dev); | |
408 | PDBG("%s dev 0x%p\n", __func__, dev); | |
409 | ||
410 | return sprintf(buf, "%u.%u.%u.%u\n", | |
b2e1a3f0 HS |
411 | FW_HDR_FW_VER_MAJOR_G(c4iw_dev->rdev.lldi.fw_vers), |
412 | FW_HDR_FW_VER_MINOR_G(c4iw_dev->rdev.lldi.fw_vers), | |
413 | FW_HDR_FW_VER_MICRO_G(c4iw_dev->rdev.lldi.fw_vers), | |
414 | FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers)); | |
cfdda9d7 SW |
415 | } |
416 | ||
417 | static ssize_t show_hca(struct device *dev, struct device_attribute *attr, | |
418 | char *buf) | |
419 | { | |
420 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
421 | ibdev.dev); | |
422 | struct ethtool_drvinfo info; | |
423 | struct net_device *lldev = c4iw_dev->rdev.lldi.ports[0]; | |
424 | ||
425 | PDBG("%s dev 0x%p\n", __func__, dev); | |
426 | lldev->ethtool_ops->get_drvinfo(lldev, &info); | |
427 | return sprintf(buf, "%s\n", info.driver); | |
428 | } | |
429 | ||
430 | static ssize_t show_board(struct device *dev, struct device_attribute *attr, | |
431 | char *buf) | |
432 | { | |
433 | struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, | |
434 | ibdev.dev); | |
435 | PDBG("%s dev 0x%p\n", __func__, dev); | |
436 | return sprintf(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor, | |
437 | c4iw_dev->rdev.lldi.pdev->device); | |
438 | } | |
439 | ||
440 | static int c4iw_get_mib(struct ib_device *ibdev, | |
441 | union rdma_protocol_stats *stats) | |
442 | { | |
de5dd81b SW |
443 | struct tp_tcp_stats v4, v6; |
444 | struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev); | |
445 | ||
446 | cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6); | |
447 | memset(stats, 0, sizeof *stats); | |
448 | stats->iw.tcpInSegs = v4.tcpInSegs + v6.tcpInSegs; | |
449 | stats->iw.tcpOutSegs = v4.tcpOutSegs + v6.tcpOutSegs; | |
450 | stats->iw.tcpRetransSegs = v4.tcpRetransSegs + v6.tcpRetransSegs; | |
451 | stats->iw.tcpOutRsts = v4.tcpOutRsts + v6.tcpOutSegs; | |
452 | ||
453 | return 0; | |
cfdda9d7 SW |
454 | } |
455 | ||
456 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
457 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
458 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
459 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
460 | ||
461 | static struct device_attribute *c4iw_class_attributes[] = { | |
462 | &dev_attr_hw_rev, | |
463 | &dev_attr_fw_ver, | |
464 | &dev_attr_hca_type, | |
465 | &dev_attr_board_id, | |
466 | }; | |
467 | ||
468 | int c4iw_register_device(struct c4iw_dev *dev) | |
469 | { | |
470 | int ret; | |
471 | int i; | |
472 | ||
473 | PDBG("%s c4iw_dev %p\n", __func__, dev); | |
474 | BUG_ON(!dev->rdev.lldi.ports[0]); | |
475 | strlcpy(dev->ibdev.name, "cxgb4_%d", IB_DEVICE_NAME_MAX); | |
476 | memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid)); | |
477 | memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); | |
478 | dev->ibdev.owner = THIS_MODULE; | |
479 | dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW; | |
480 | if (fastreg_support) | |
481 | dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
482 | dev->ibdev.local_dma_lkey = 0; | |
483 | dev->ibdev.uverbs_cmd_mask = | |
484 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
485 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
486 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
487 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
488 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
489 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
490 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | | |
491 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
492 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
493 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
494 | (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) | | |
495 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
496 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
67bbc055 | 497 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
cfdda9d7 SW |
498 | (1ull << IB_USER_VERBS_CMD_POLL_CQ) | |
499 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
500 | (1ull << IB_USER_VERBS_CMD_POST_SEND) | | |
501 | (1ull << IB_USER_VERBS_CMD_POST_RECV); | |
502 | dev->ibdev.node_type = RDMA_NODE_RNIC; | |
503 | memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC)); | |
504 | dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports; | |
cf38be6d | 505 | dev->ibdev.num_comp_vectors = dev->rdev.lldi.nciq; |
cfdda9d7 SW |
506 | dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev); |
507 | dev->ibdev.query_device = c4iw_query_device; | |
508 | dev->ibdev.query_port = c4iw_query_port; | |
cfdda9d7 SW |
509 | dev->ibdev.query_pkey = c4iw_query_pkey; |
510 | dev->ibdev.query_gid = c4iw_query_gid; | |
511 | dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext; | |
512 | dev->ibdev.dealloc_ucontext = c4iw_dealloc_ucontext; | |
513 | dev->ibdev.mmap = c4iw_mmap; | |
514 | dev->ibdev.alloc_pd = c4iw_allocate_pd; | |
515 | dev->ibdev.dealloc_pd = c4iw_deallocate_pd; | |
516 | dev->ibdev.create_ah = c4iw_ah_create; | |
517 | dev->ibdev.destroy_ah = c4iw_ah_destroy; | |
518 | dev->ibdev.create_qp = c4iw_create_qp; | |
519 | dev->ibdev.modify_qp = c4iw_ib_modify_qp; | |
67bbc055 | 520 | dev->ibdev.query_qp = c4iw_ib_query_qp; |
cfdda9d7 SW |
521 | dev->ibdev.destroy_qp = c4iw_destroy_qp; |
522 | dev->ibdev.create_cq = c4iw_create_cq; | |
523 | dev->ibdev.destroy_cq = c4iw_destroy_cq; | |
524 | dev->ibdev.resize_cq = c4iw_resize_cq; | |
525 | dev->ibdev.poll_cq = c4iw_poll_cq; | |
526 | dev->ibdev.get_dma_mr = c4iw_get_dma_mr; | |
527 | dev->ibdev.reg_phys_mr = c4iw_register_phys_mem; | |
528 | dev->ibdev.rereg_phys_mr = c4iw_reregister_phys_mem; | |
529 | dev->ibdev.reg_user_mr = c4iw_reg_user_mr; | |
530 | dev->ibdev.dereg_mr = c4iw_dereg_mr; | |
531 | dev->ibdev.alloc_mw = c4iw_alloc_mw; | |
532 | dev->ibdev.bind_mw = c4iw_bind_mw; | |
533 | dev->ibdev.dealloc_mw = c4iw_dealloc_mw; | |
534 | dev->ibdev.alloc_fast_reg_mr = c4iw_alloc_fast_reg_mr; | |
535 | dev->ibdev.alloc_fast_reg_page_list = c4iw_alloc_fastreg_pbl; | |
536 | dev->ibdev.free_fast_reg_page_list = c4iw_free_fastreg_pbl; | |
537 | dev->ibdev.attach_mcast = c4iw_multicast_attach; | |
538 | dev->ibdev.detach_mcast = c4iw_multicast_detach; | |
539 | dev->ibdev.process_mad = c4iw_process_mad; | |
540 | dev->ibdev.req_notify_cq = c4iw_arm_cq; | |
541 | dev->ibdev.post_send = c4iw_post_send; | |
542 | dev->ibdev.post_recv = c4iw_post_receive; | |
543 | dev->ibdev.get_protocol_stats = c4iw_get_mib; | |
c6d7b267 | 544 | dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION; |
cfdda9d7 SW |
545 | |
546 | dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); | |
547 | if (!dev->ibdev.iwcm) | |
548 | return -ENOMEM; | |
549 | ||
550 | dev->ibdev.iwcm->connect = c4iw_connect; | |
551 | dev->ibdev.iwcm->accept = c4iw_accept_cr; | |
552 | dev->ibdev.iwcm->reject = c4iw_reject_cr; | |
553 | dev->ibdev.iwcm->create_listen = c4iw_create_listen; | |
554 | dev->ibdev.iwcm->destroy_listen = c4iw_destroy_listen; | |
555 | dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref; | |
556 | dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref; | |
557 | dev->ibdev.iwcm->get_qp = c4iw_get_qp; | |
558 | ||
9a6edb60 | 559 | ret = ib_register_device(&dev->ibdev, NULL); |
cfdda9d7 SW |
560 | if (ret) |
561 | goto bail1; | |
562 | ||
563 | for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) { | |
564 | ret = device_create_file(&dev->ibdev.dev, | |
565 | c4iw_class_attributes[i]); | |
566 | if (ret) | |
567 | goto bail2; | |
568 | } | |
569 | return 0; | |
570 | bail2: | |
571 | ib_unregister_device(&dev->ibdev); | |
572 | bail1: | |
573 | kfree(dev->ibdev.iwcm); | |
574 | return ret; | |
575 | } | |
576 | ||
577 | void c4iw_unregister_device(struct c4iw_dev *dev) | |
578 | { | |
579 | int i; | |
580 | ||
581 | PDBG("%s c4iw_dev %p\n", __func__, dev); | |
582 | for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) | |
583 | device_remove_file(&dev->ibdev.dev, | |
584 | c4iw_class_attributes[i]); | |
585 | ib_unregister_device(&dev->ibdev); | |
586 | kfree(dev->ibdev.iwcm); | |
587 | return; | |
588 | } |