Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013, Mellanox Technologies 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 | |
| 33 | #include <asm-generic/kmap_types.h> |
| 34 | #include <linux/module.h> |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/errno.h> |
| 37 | #include <linux/pci.h> |
| 38 | #include <linux/dma-mapping.h> |
| 39 | #include <linux/slab.h> |
| 40 | #include <linux/io-mapping.h> |
| 41 | #include <linux/mlx5/driver.h> |
| 42 | #include <linux/mlx5/cq.h> |
| 43 | #include <linux/mlx5/qp.h> |
| 44 | #include <linux/mlx5/srq.h> |
| 45 | #include <linux/debugfs.h> |
| 46 | #include "mlx5_core.h" |
| 47 | |
| 48 | #define DRIVER_NAME "mlx5_core" |
Amir Vadai | 169a1d8 | 2014-02-19 17:47:31 +0200 | [diff] [blame] | 49 | #define DRIVER_VERSION "2.2-1" |
| 50 | #define DRIVER_RELDATE "Feb 2014" |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 51 | |
| 52 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
| 53 | MODULE_DESCRIPTION("Mellanox ConnectX-IB HCA core library"); |
| 54 | MODULE_LICENSE("Dual BSD/GPL"); |
| 55 | MODULE_VERSION(DRIVER_VERSION); |
| 56 | |
| 57 | int mlx5_core_debug_mask; |
| 58 | module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644); |
| 59 | MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); |
| 60 | |
| 61 | struct workqueue_struct *mlx5_core_wq; |
| 62 | |
| 63 | static int set_dma_caps(struct pci_dev *pdev) |
| 64 | { |
| 65 | int err; |
| 66 | |
| 67 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 68 | if (err) { |
| 69 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); |
| 70 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 71 | if (err) { |
| 72 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); |
| 73 | return err; |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 78 | if (err) { |
| 79 | dev_warn(&pdev->dev, |
| 80 | "Warning: couldn't set 64-bit consistent PCI DMA mask.\n"); |
| 81 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 82 | if (err) { |
| 83 | dev_err(&pdev->dev, |
| 84 | "Can't set consistent PCI DMA mask, aborting.\n"); |
| 85 | return err; |
| 86 | } |
| 87 | } |
| 88 | |
| 89 | dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); |
| 90 | return err; |
| 91 | } |
| 92 | |
| 93 | static int request_bar(struct pci_dev *pdev) |
| 94 | { |
| 95 | int err = 0; |
| 96 | |
| 97 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
| 98 | dev_err(&pdev->dev, "Missing registers BAR, aborting.\n"); |
| 99 | return -ENODEV; |
| 100 | } |
| 101 | |
| 102 | err = pci_request_regions(pdev, DRIVER_NAME); |
| 103 | if (err) |
| 104 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
| 105 | |
| 106 | return err; |
| 107 | } |
| 108 | |
| 109 | static void release_bar(struct pci_dev *pdev) |
| 110 | { |
| 111 | pci_release_regions(pdev); |
| 112 | } |
| 113 | |
| 114 | static int mlx5_enable_msix(struct mlx5_core_dev *dev) |
| 115 | { |
| 116 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 117 | int num_eqs = 1 << dev->caps.log_max_eq; |
| 118 | int nvec; |
| 119 | int err; |
| 120 | int i; |
| 121 | |
| 122 | nvec = dev->caps.num_ports * num_online_cpus() + MLX5_EQ_VEC_COMP_BASE; |
| 123 | nvec = min_t(int, nvec, num_eqs); |
| 124 | if (nvec <= MLX5_EQ_VEC_COMP_BASE) |
| 125 | return -ENOMEM; |
| 126 | |
| 127 | table->msix_arr = kzalloc(nvec * sizeof(*table->msix_arr), GFP_KERNEL); |
| 128 | if (!table->msix_arr) |
| 129 | return -ENOMEM; |
| 130 | |
| 131 | for (i = 0; i < nvec; i++) |
| 132 | table->msix_arr[i].entry = i; |
| 133 | |
| 134 | retry: |
| 135 | table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; |
| 136 | err = pci_enable_msix(dev->pdev, table->msix_arr, nvec); |
| 137 | if (err <= 0) { |
| 138 | return err; |
| 139 | } else if (err > 2) { |
| 140 | nvec = err; |
| 141 | goto retry; |
| 142 | } |
| 143 | |
| 144 | mlx5_core_dbg(dev, "received %d MSI vectors out of %d requested\n", err, nvec); |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | static void mlx5_disable_msix(struct mlx5_core_dev *dev) |
| 150 | { |
| 151 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 152 | |
| 153 | pci_disable_msix(dev->pdev); |
| 154 | kfree(table->msix_arr); |
| 155 | } |
| 156 | |
| 157 | struct mlx5_reg_host_endianess { |
| 158 | u8 he; |
| 159 | u8 rsvd[15]; |
| 160 | }; |
| 161 | |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 162 | |
| 163 | #define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) |
| 164 | |
| 165 | enum { |
| 166 | MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | |
| 167 | CAP_MASK(MLX5_CAP_OFF_DCT, 1), |
| 168 | }; |
| 169 | |
| 170 | /* selectively copy writable fields clearing any reserved area |
| 171 | */ |
| 172 | static void copy_rw_fields(struct mlx5_hca_cap *to, struct mlx5_hca_cap *from) |
| 173 | { |
| 174 | u64 v64; |
| 175 | |
| 176 | to->log_max_qp = from->log_max_qp & 0x1f; |
| 177 | to->log_max_ra_req_dc = from->log_max_ra_req_dc & 0x3f; |
| 178 | to->log_max_ra_res_dc = from->log_max_ra_res_dc & 0x3f; |
| 179 | to->log_max_ra_req_qp = from->log_max_ra_req_qp & 0x3f; |
| 180 | to->log_max_ra_res_qp = from->log_max_ra_res_qp & 0x3f; |
| 181 | to->log_max_atomic_size_qp = from->log_max_atomic_size_qp; |
| 182 | to->log_max_atomic_size_dc = from->log_max_atomic_size_dc; |
| 183 | v64 = be64_to_cpu(from->flags) & MLX5_CAP_BITS_RW_MASK; |
| 184 | to->flags = cpu_to_be64(v64); |
| 185 | } |
| 186 | |
| 187 | enum { |
| 188 | HCA_CAP_OPMOD_GET_MAX = 0, |
| 189 | HCA_CAP_OPMOD_GET_CUR = 1, |
| 190 | }; |
| 191 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 192 | static int handle_hca_cap(struct mlx5_core_dev *dev) |
| 193 | { |
| 194 | struct mlx5_cmd_query_hca_cap_mbox_out *query_out = NULL; |
| 195 | struct mlx5_cmd_set_hca_cap_mbox_in *set_ctx = NULL; |
| 196 | struct mlx5_cmd_query_hca_cap_mbox_in query_ctx; |
| 197 | struct mlx5_cmd_set_hca_cap_mbox_out set_out; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 198 | u64 flags; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 199 | int err; |
| 200 | |
| 201 | memset(&query_ctx, 0, sizeof(query_ctx)); |
| 202 | query_out = kzalloc(sizeof(*query_out), GFP_KERNEL); |
| 203 | if (!query_out) |
| 204 | return -ENOMEM; |
| 205 | |
| 206 | set_ctx = kzalloc(sizeof(*set_ctx), GFP_KERNEL); |
| 207 | if (!set_ctx) { |
| 208 | err = -ENOMEM; |
| 209 | goto query_ex; |
| 210 | } |
| 211 | |
| 212 | query_ctx.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_HCA_CAP); |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 213 | query_ctx.hdr.opmod = cpu_to_be16(HCA_CAP_OPMOD_GET_CUR); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 214 | err = mlx5_cmd_exec(dev, &query_ctx, sizeof(query_ctx), |
| 215 | query_out, sizeof(*query_out)); |
| 216 | if (err) |
| 217 | goto query_ex; |
| 218 | |
| 219 | err = mlx5_cmd_status_to_err(&query_out->hdr); |
| 220 | if (err) { |
| 221 | mlx5_core_warn(dev, "query hca cap failed, %d\n", err); |
| 222 | goto query_ex; |
| 223 | } |
| 224 | |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 225 | copy_rw_fields(&set_ctx->hca_cap, &query_out->hca_cap); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 226 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 227 | if (dev->profile->mask & MLX5_PROF_MASK_QP_SIZE) |
| 228 | set_ctx->hca_cap.log_max_qp = dev->profile->log_max_qp; |
| 229 | |
Eli Cohen | c1868b8 | 2013-09-11 16:35:25 +0300 | [diff] [blame] | 230 | flags = be64_to_cpu(query_out->hca_cap.flags); |
| 231 | /* disable checksum */ |
| 232 | flags &= ~MLX5_DEV_CAP_FLAG_CMDIF_CSUM; |
| 233 | |
| 234 | set_ctx->hca_cap.flags = cpu_to_be64(flags); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 235 | memset(&set_out, 0, sizeof(set_out)); |
Moshe Lazer | 288dde9 | 2013-07-10 14:31:03 +0300 | [diff] [blame] | 236 | set_ctx->hca_cap.log_uar_page_sz = cpu_to_be16(PAGE_SHIFT - 12); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 237 | set_ctx->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_SET_HCA_CAP); |
| 238 | err = mlx5_cmd_exec(dev, set_ctx, sizeof(*set_ctx), |
| 239 | &set_out, sizeof(set_out)); |
| 240 | if (err) { |
| 241 | mlx5_core_warn(dev, "set hca cap failed, %d\n", err); |
| 242 | goto query_ex; |
| 243 | } |
| 244 | |
| 245 | err = mlx5_cmd_status_to_err(&set_out.hdr); |
| 246 | if (err) |
| 247 | goto query_ex; |
| 248 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 249 | query_ex: |
| 250 | kfree(query_out); |
| 251 | kfree(set_ctx); |
| 252 | |
| 253 | return err; |
| 254 | } |
| 255 | |
| 256 | static int set_hca_ctrl(struct mlx5_core_dev *dev) |
| 257 | { |
| 258 | struct mlx5_reg_host_endianess he_in; |
| 259 | struct mlx5_reg_host_endianess he_out; |
| 260 | int err; |
| 261 | |
| 262 | memset(&he_in, 0, sizeof(he_in)); |
| 263 | he_in.he = MLX5_SET_HOST_ENDIANNESS; |
| 264 | err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), |
| 265 | &he_out, sizeof(he_out), |
| 266 | MLX5_REG_HOST_ENDIANNESS, 0, 1); |
| 267 | return err; |
| 268 | } |
| 269 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 270 | static int mlx5_core_enable_hca(struct mlx5_core_dev *dev) |
| 271 | { |
| 272 | int err; |
| 273 | struct mlx5_enable_hca_mbox_in in; |
| 274 | struct mlx5_enable_hca_mbox_out out; |
| 275 | |
| 276 | memset(&in, 0, sizeof(in)); |
| 277 | memset(&out, 0, sizeof(out)); |
| 278 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA); |
| 279 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
| 280 | if (err) |
| 281 | return err; |
| 282 | |
| 283 | if (out.hdr.status) |
| 284 | return mlx5_cmd_status_to_err(&out.hdr); |
| 285 | |
| 286 | return 0; |
| 287 | } |
| 288 | |
| 289 | static int mlx5_core_disable_hca(struct mlx5_core_dev *dev) |
| 290 | { |
| 291 | int err; |
| 292 | struct mlx5_disable_hca_mbox_in in; |
| 293 | struct mlx5_disable_hca_mbox_out out; |
| 294 | |
| 295 | memset(&in, 0, sizeof(in)); |
| 296 | memset(&out, 0, sizeof(out)); |
| 297 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA); |
| 298 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
| 299 | if (err) |
| 300 | return err; |
| 301 | |
| 302 | if (out.hdr.status) |
| 303 | return mlx5_cmd_status_to_err(&out.hdr); |
| 304 | |
| 305 | return 0; |
| 306 | } |
| 307 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 308 | int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) |
| 309 | { |
| 310 | struct mlx5_priv *priv = &dev->priv; |
| 311 | int err; |
| 312 | |
| 313 | dev->pdev = pdev; |
| 314 | pci_set_drvdata(dev->pdev, dev); |
| 315 | strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); |
| 316 | priv->name[MLX5_MAX_NAME_LEN - 1] = 0; |
| 317 | |
| 318 | mutex_init(&priv->pgdir_mutex); |
| 319 | INIT_LIST_HEAD(&priv->pgdir_list); |
| 320 | spin_lock_init(&priv->mkey_lock); |
| 321 | |
| 322 | priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); |
| 323 | if (!priv->dbg_root) |
| 324 | return -ENOMEM; |
| 325 | |
| 326 | err = pci_enable_device(pdev); |
| 327 | if (err) { |
| 328 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting.\n"); |
| 329 | goto err_dbg; |
| 330 | } |
| 331 | |
| 332 | err = request_bar(pdev); |
| 333 | if (err) { |
| 334 | dev_err(&pdev->dev, "error requesting BARs, aborting.\n"); |
| 335 | goto err_disable; |
| 336 | } |
| 337 | |
| 338 | pci_set_master(pdev); |
| 339 | |
| 340 | err = set_dma_caps(pdev); |
| 341 | if (err) { |
| 342 | dev_err(&pdev->dev, "Failed setting DMA capabilities mask, aborting\n"); |
| 343 | goto err_clr_master; |
| 344 | } |
| 345 | |
| 346 | dev->iseg_base = pci_resource_start(dev->pdev, 0); |
| 347 | dev->iseg = ioremap(dev->iseg_base, sizeof(*dev->iseg)); |
| 348 | if (!dev->iseg) { |
| 349 | err = -ENOMEM; |
| 350 | dev_err(&pdev->dev, "Failed mapping initialization segment, aborting\n"); |
| 351 | goto err_clr_master; |
| 352 | } |
| 353 | dev_info(&pdev->dev, "firmware version: %d.%d.%d\n", fw_rev_maj(dev), |
| 354 | fw_rev_min(dev), fw_rev_sub(dev)); |
| 355 | |
| 356 | err = mlx5_cmd_init(dev); |
| 357 | if (err) { |
| 358 | dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); |
| 359 | goto err_unmap; |
| 360 | } |
| 361 | |
| 362 | mlx5_pagealloc_init(dev); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 363 | |
| 364 | err = mlx5_core_enable_hca(dev); |
| 365 | if (err) { |
| 366 | dev_err(&pdev->dev, "enable hca failed\n"); |
| 367 | goto err_pagealloc_cleanup; |
| 368 | } |
| 369 | |
| 370 | err = mlx5_satisfy_startup_pages(dev, 1); |
| 371 | if (err) { |
| 372 | dev_err(&pdev->dev, "failed to allocate boot pages\n"); |
| 373 | goto err_disable_hca; |
| 374 | } |
| 375 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 376 | err = set_hca_ctrl(dev); |
| 377 | if (err) { |
| 378 | dev_err(&pdev->dev, "set_hca_ctrl failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 379 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | err = handle_hca_cap(dev); |
| 383 | if (err) { |
| 384 | dev_err(&pdev->dev, "handle_hca_cap failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 385 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 386 | } |
| 387 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 388 | err = mlx5_satisfy_startup_pages(dev, 0); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 389 | if (err) { |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 390 | dev_err(&pdev->dev, "failed to allocate init pages\n"); |
| 391 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | err = mlx5_pagealloc_start(dev); |
| 395 | if (err) { |
| 396 | dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 397 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 398 | } |
| 399 | |
| 400 | err = mlx5_cmd_init_hca(dev); |
| 401 | if (err) { |
| 402 | dev_err(&pdev->dev, "init hca failed\n"); |
| 403 | goto err_pagealloc_stop; |
| 404 | } |
| 405 | |
| 406 | mlx5_start_health_poll(dev); |
| 407 | |
| 408 | err = mlx5_cmd_query_hca_cap(dev, &dev->caps); |
| 409 | if (err) { |
| 410 | dev_err(&pdev->dev, "query hca failed\n"); |
| 411 | goto err_stop_poll; |
| 412 | } |
| 413 | |
| 414 | err = mlx5_cmd_query_adapter(dev); |
| 415 | if (err) { |
| 416 | dev_err(&pdev->dev, "query adapter failed\n"); |
| 417 | goto err_stop_poll; |
| 418 | } |
| 419 | |
| 420 | err = mlx5_enable_msix(dev); |
| 421 | if (err) { |
| 422 | dev_err(&pdev->dev, "enable msix failed\n"); |
| 423 | goto err_stop_poll; |
| 424 | } |
| 425 | |
| 426 | err = mlx5_eq_init(dev); |
| 427 | if (err) { |
| 428 | dev_err(&pdev->dev, "failed to initialize eq\n"); |
| 429 | goto disable_msix; |
| 430 | } |
| 431 | |
| 432 | err = mlx5_alloc_uuars(dev, &priv->uuari); |
| 433 | if (err) { |
| 434 | dev_err(&pdev->dev, "Failed allocating uar, aborting\n"); |
| 435 | goto err_eq_cleanup; |
| 436 | } |
| 437 | |
| 438 | err = mlx5_start_eqs(dev); |
| 439 | if (err) { |
| 440 | dev_err(&pdev->dev, "Failed to start pages and async EQs\n"); |
| 441 | goto err_free_uar; |
| 442 | } |
| 443 | |
| 444 | MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock); |
| 445 | |
| 446 | mlx5_init_cq_table(dev); |
| 447 | mlx5_init_qp_table(dev); |
| 448 | mlx5_init_srq_table(dev); |
| 449 | |
| 450 | return 0; |
| 451 | |
| 452 | err_free_uar: |
| 453 | mlx5_free_uuars(dev, &priv->uuari); |
| 454 | |
| 455 | err_eq_cleanup: |
| 456 | mlx5_eq_cleanup(dev); |
| 457 | |
| 458 | disable_msix: |
| 459 | mlx5_disable_msix(dev); |
| 460 | |
| 461 | err_stop_poll: |
| 462 | mlx5_stop_health_poll(dev); |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 463 | if (mlx5_cmd_teardown_hca(dev)) { |
| 464 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
| 465 | return err; |
| 466 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 467 | |
| 468 | err_pagealloc_stop: |
| 469 | mlx5_pagealloc_stop(dev); |
| 470 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 471 | reclaim_boot_pages: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 472 | mlx5_reclaim_startup_pages(dev); |
| 473 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 474 | err_disable_hca: |
| 475 | mlx5_core_disable_hca(dev); |
| 476 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 477 | err_pagealloc_cleanup: |
| 478 | mlx5_pagealloc_cleanup(dev); |
| 479 | mlx5_cmd_cleanup(dev); |
| 480 | |
| 481 | err_unmap: |
| 482 | iounmap(dev->iseg); |
| 483 | |
| 484 | err_clr_master: |
| 485 | pci_clear_master(dev->pdev); |
| 486 | release_bar(dev->pdev); |
| 487 | |
| 488 | err_disable: |
| 489 | pci_disable_device(dev->pdev); |
| 490 | |
| 491 | err_dbg: |
| 492 | debugfs_remove(priv->dbg_root); |
| 493 | return err; |
| 494 | } |
| 495 | EXPORT_SYMBOL(mlx5_dev_init); |
| 496 | |
| 497 | void mlx5_dev_cleanup(struct mlx5_core_dev *dev) |
| 498 | { |
| 499 | struct mlx5_priv *priv = &dev->priv; |
| 500 | |
| 501 | mlx5_cleanup_srq_table(dev); |
| 502 | mlx5_cleanup_qp_table(dev); |
| 503 | mlx5_cleanup_cq_table(dev); |
| 504 | mlx5_stop_eqs(dev); |
| 505 | mlx5_free_uuars(dev, &priv->uuari); |
| 506 | mlx5_eq_cleanup(dev); |
| 507 | mlx5_disable_msix(dev); |
| 508 | mlx5_stop_health_poll(dev); |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 509 | if (mlx5_cmd_teardown_hca(dev)) { |
| 510 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
| 511 | return; |
| 512 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 513 | mlx5_pagealloc_stop(dev); |
| 514 | mlx5_reclaim_startup_pages(dev); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 515 | mlx5_core_disable_hca(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 516 | mlx5_pagealloc_cleanup(dev); |
| 517 | mlx5_cmd_cleanup(dev); |
| 518 | iounmap(dev->iseg); |
| 519 | pci_clear_master(dev->pdev); |
| 520 | release_bar(dev->pdev); |
| 521 | pci_disable_device(dev->pdev); |
| 522 | debugfs_remove(priv->dbg_root); |
| 523 | } |
| 524 | EXPORT_SYMBOL(mlx5_dev_cleanup); |
| 525 | |
| 526 | static int __init init(void) |
| 527 | { |
| 528 | int err; |
| 529 | |
| 530 | mlx5_register_debugfs(); |
| 531 | mlx5_core_wq = create_singlethread_workqueue("mlx5_core_wq"); |
| 532 | if (!mlx5_core_wq) { |
| 533 | err = -ENOMEM; |
| 534 | goto err_debug; |
| 535 | } |
| 536 | mlx5_health_init(); |
| 537 | |
| 538 | return 0; |
| 539 | |
| 540 | mlx5_health_cleanup(); |
| 541 | err_debug: |
| 542 | mlx5_unregister_debugfs(); |
| 543 | return err; |
| 544 | } |
| 545 | |
| 546 | static void __exit cleanup(void) |
| 547 | { |
| 548 | mlx5_health_cleanup(); |
| 549 | destroy_workqueue(mlx5_core_wq); |
| 550 | mlx5_unregister_debugfs(); |
| 551 | } |
| 552 | |
| 553 | module_init(init); |
| 554 | module_exit(cleanup); |