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 57static int fastreg_support = 1; 58module_param(fastreg_support, int, 0644); 59MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)"); 60 61static 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 67static int c4iw_ah_destroy(struct ib_ah *ah) 68{ 69 return -ENOSYS; 70} 71 72static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 73{ 74 return -ENOSYS; 75} 76 77static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) 78{ 79 return -ENOSYS; 80} 81 82static 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 94static 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 108static 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; 158err_mm: 159 kfree(mm); 160err_free: 161 kfree(context); 162err: 163 return ERR_PTR(ret); 164} 165 166static 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 235static 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 251static 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 286static 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 294static 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 308static 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 347static 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 401static 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 411static 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 425static 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 438static 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 448static 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 464static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 465static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); 466static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); 467static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); 468 469static 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 476static 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 493int 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; 595bail2: 596 ib_unregister_device(&dev->ibdev); 597bail1: 598 kfree(dev->ibdev.iwcm); 599 return ret; 600} 601 602void 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} 614