Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1 | /* |
Saeed Mahameed | 302bdf6 | 2015-04-02 17:07:29 +0300 | [diff] [blame] | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 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> |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 41 | #include <linux/interrupt.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 42 | #include <linux/mlx5/driver.h> |
| 43 | #include <linux/mlx5/cq.h> |
| 44 | #include <linux/mlx5/qp.h> |
| 45 | #include <linux/mlx5/srq.h> |
| 46 | #include <linux/debugfs.h> |
Eli Cohen | f66f049 | 2014-12-02 12:26:11 +0200 | [diff] [blame] | 47 | #include <linux/kmod.h> |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 48 | #include <linux/mlx5/mlx5_ifc.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 49 | #include "mlx5_core.h" |
| 50 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 51 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
Achiad Shochat | 4ae6c18 | 2015-04-02 17:07:31 +0300 | [diff] [blame] | 52 | MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 53 | MODULE_LICENSE("Dual BSD/GPL"); |
| 54 | MODULE_VERSION(DRIVER_VERSION); |
| 55 | |
| 56 | int mlx5_core_debug_mask; |
| 57 | module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644); |
| 58 | MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); |
| 59 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 60 | #define MLX5_DEFAULT_PROF 2 |
| 61 | static int prof_sel = MLX5_DEFAULT_PROF; |
| 62 | module_param_named(prof_sel, prof_sel, int, 0444); |
| 63 | MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); |
| 64 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 65 | struct workqueue_struct *mlx5_core_wq; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 66 | static LIST_HEAD(intf_list); |
| 67 | static LIST_HEAD(dev_list); |
| 68 | static DEFINE_MUTEX(intf_mutex); |
| 69 | |
| 70 | struct mlx5_device_context { |
| 71 | struct list_head list; |
| 72 | struct mlx5_interface *intf; |
| 73 | void *context; |
| 74 | }; |
| 75 | |
| 76 | static struct mlx5_profile profile[] = { |
| 77 | [0] = { |
| 78 | .mask = 0, |
| 79 | }, |
| 80 | [1] = { |
| 81 | .mask = MLX5_PROF_MASK_QP_SIZE, |
| 82 | .log_max_qp = 12, |
| 83 | }, |
| 84 | [2] = { |
| 85 | .mask = MLX5_PROF_MASK_QP_SIZE | |
| 86 | MLX5_PROF_MASK_MR_CACHE, |
| 87 | .log_max_qp = 17, |
| 88 | .mr_cache[0] = { |
| 89 | .size = 500, |
| 90 | .limit = 250 |
| 91 | }, |
| 92 | .mr_cache[1] = { |
| 93 | .size = 500, |
| 94 | .limit = 250 |
| 95 | }, |
| 96 | .mr_cache[2] = { |
| 97 | .size = 500, |
| 98 | .limit = 250 |
| 99 | }, |
| 100 | .mr_cache[3] = { |
| 101 | .size = 500, |
| 102 | .limit = 250 |
| 103 | }, |
| 104 | .mr_cache[4] = { |
| 105 | .size = 500, |
| 106 | .limit = 250 |
| 107 | }, |
| 108 | .mr_cache[5] = { |
| 109 | .size = 500, |
| 110 | .limit = 250 |
| 111 | }, |
| 112 | .mr_cache[6] = { |
| 113 | .size = 500, |
| 114 | .limit = 250 |
| 115 | }, |
| 116 | .mr_cache[7] = { |
| 117 | .size = 500, |
| 118 | .limit = 250 |
| 119 | }, |
| 120 | .mr_cache[8] = { |
| 121 | .size = 500, |
| 122 | .limit = 250 |
| 123 | }, |
| 124 | .mr_cache[9] = { |
| 125 | .size = 500, |
| 126 | .limit = 250 |
| 127 | }, |
| 128 | .mr_cache[10] = { |
| 129 | .size = 500, |
| 130 | .limit = 250 |
| 131 | }, |
| 132 | .mr_cache[11] = { |
| 133 | .size = 500, |
| 134 | .limit = 250 |
| 135 | }, |
| 136 | .mr_cache[12] = { |
| 137 | .size = 64, |
| 138 | .limit = 32 |
| 139 | }, |
| 140 | .mr_cache[13] = { |
| 141 | .size = 32, |
| 142 | .limit = 16 |
| 143 | }, |
| 144 | .mr_cache[14] = { |
| 145 | .size = 16, |
| 146 | .limit = 8 |
| 147 | }, |
| 148 | .mr_cache[15] = { |
| 149 | .size = 8, |
| 150 | .limit = 4 |
| 151 | }, |
| 152 | }, |
| 153 | }; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 154 | |
| 155 | static int set_dma_caps(struct pci_dev *pdev) |
| 156 | { |
| 157 | int err; |
| 158 | |
| 159 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 160 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 161 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 162 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 163 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 164 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 165 | return err; |
| 166 | } |
| 167 | } |
| 168 | |
| 169 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 170 | if (err) { |
| 171 | dev_warn(&pdev->dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 172 | "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 173 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 174 | if (err) { |
| 175 | dev_err(&pdev->dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 176 | "Can't set consistent PCI DMA mask, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 177 | return err; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); |
| 182 | return err; |
| 183 | } |
| 184 | |
| 185 | static int request_bar(struct pci_dev *pdev) |
| 186 | { |
| 187 | int err = 0; |
| 188 | |
| 189 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 190 | dev_err(&pdev->dev, "Missing registers BAR, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 191 | return -ENODEV; |
| 192 | } |
| 193 | |
| 194 | err = pci_request_regions(pdev, DRIVER_NAME); |
| 195 | if (err) |
| 196 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
| 197 | |
| 198 | return err; |
| 199 | } |
| 200 | |
| 201 | static void release_bar(struct pci_dev *pdev) |
| 202 | { |
| 203 | pci_release_regions(pdev); |
| 204 | } |
| 205 | |
| 206 | static int mlx5_enable_msix(struct mlx5_core_dev *dev) |
| 207 | { |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 208 | struct mlx5_priv *priv = &dev->priv; |
| 209 | struct mlx5_eq_table *table = &priv->eq_table; |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 210 | int num_eqs = 1 << MLX5_CAP_GEN(dev, log_max_eq); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 211 | int nvec; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 212 | int i; |
| 213 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 214 | nvec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + |
| 215 | MLX5_EQ_VEC_COMP_BASE; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 216 | nvec = min_t(int, nvec, num_eqs); |
| 217 | if (nvec <= MLX5_EQ_VEC_COMP_BASE) |
| 218 | return -ENOMEM; |
| 219 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 220 | priv->msix_arr = kcalloc(nvec, sizeof(*priv->msix_arr), GFP_KERNEL); |
| 221 | |
| 222 | priv->irq_info = kcalloc(nvec, sizeof(*priv->irq_info), GFP_KERNEL); |
| 223 | if (!priv->msix_arr || !priv->irq_info) |
| 224 | goto err_free_msix; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 225 | |
| 226 | for (i = 0; i < nvec; i++) |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 227 | priv->msix_arr[i].entry = i; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 228 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 229 | nvec = pci_enable_msix_range(dev->pdev, priv->msix_arr, |
Eli Cohen | 3a9e161 | 2014-12-02 12:26:12 +0200 | [diff] [blame] | 230 | MLX5_EQ_VEC_COMP_BASE + 1, nvec); |
Alexander Gordeev | f3c9407 | 2014-02-18 11:11:48 +0100 | [diff] [blame] | 231 | if (nvec < 0) |
| 232 | return nvec; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 233 | |
Alexander Gordeev | f3c9407 | 2014-02-18 11:11:48 +0100 | [diff] [blame] | 234 | table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 235 | |
| 236 | return 0; |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 237 | |
| 238 | err_free_msix: |
| 239 | kfree(priv->irq_info); |
| 240 | kfree(priv->msix_arr); |
| 241 | return -ENOMEM; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | static void mlx5_disable_msix(struct mlx5_core_dev *dev) |
| 245 | { |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 246 | struct mlx5_priv *priv = &dev->priv; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 247 | |
| 248 | pci_disable_msix(dev->pdev); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 249 | kfree(priv->irq_info); |
| 250 | kfree(priv->msix_arr); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 251 | } |
| 252 | |
| 253 | struct mlx5_reg_host_endianess { |
| 254 | u8 he; |
| 255 | u8 rsvd[15]; |
| 256 | }; |
| 257 | |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 258 | |
| 259 | #define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) |
| 260 | |
| 261 | enum { |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 262 | MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | |
| 263 | MLX5_DEV_CAP_FLAG_DCT, |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 264 | }; |
| 265 | |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 266 | static u16 to_fw_pkey_sz(u32 size) |
| 267 | { |
| 268 | switch (size) { |
| 269 | case 128: |
| 270 | return 0; |
| 271 | case 256: |
| 272 | return 1; |
| 273 | case 512: |
| 274 | return 2; |
| 275 | case 1024: |
| 276 | return 3; |
| 277 | case 2048: |
| 278 | return 4; |
| 279 | case 4096: |
| 280 | return 5; |
| 281 | default: |
| 282 | pr_warn("invalid pkey table size %d\n", size); |
| 283 | return 0; |
| 284 | } |
| 285 | } |
| 286 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 287 | int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type, |
| 288 | enum mlx5_cap_mode cap_mode) |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 289 | { |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 290 | u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; |
| 291 | int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 292 | void *out, *hca_caps; |
| 293 | u16 opmod = (cap_type << 1) | (cap_mode & 0x01); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 294 | int err; |
| 295 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 296 | memset(in, 0, sizeof(in)); |
| 297 | out = kzalloc(out_sz, GFP_KERNEL); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 298 | if (!out) |
| 299 | return -ENOMEM; |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 300 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 301 | MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); |
| 302 | MLX5_SET(query_hca_cap_in, in, op_mod, opmod); |
| 303 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); |
| 304 | if (err) |
| 305 | goto query_ex; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 306 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 307 | err = mlx5_cmd_status_to_err_v2(out); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 308 | if (err) { |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 309 | mlx5_core_warn(dev, |
| 310 | "QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n", |
| 311 | cap_type, cap_mode, err); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 312 | goto query_ex; |
| 313 | } |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 314 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 315 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, out, capability); |
| 316 | |
| 317 | switch (cap_mode) { |
| 318 | case HCA_CAP_OPMOD_GET_MAX: |
| 319 | memcpy(dev->hca_caps_max[cap_type], hca_caps, |
| 320 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
| 321 | break; |
| 322 | case HCA_CAP_OPMOD_GET_CUR: |
| 323 | memcpy(dev->hca_caps_cur[cap_type], hca_caps, |
| 324 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
| 325 | break; |
| 326 | default: |
| 327 | mlx5_core_warn(dev, |
| 328 | "Tried to query dev cap type(%x) with wrong opmode(%x)\n", |
| 329 | cap_type, cap_mode); |
| 330 | err = -EINVAL; |
| 331 | break; |
| 332 | } |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 333 | query_ex: |
| 334 | kfree(out); |
| 335 | return err; |
| 336 | } |
| 337 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 338 | static int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz) |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 339 | { |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 340 | u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)]; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 341 | int err; |
| 342 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 343 | memset(out, 0, sizeof(out)); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 344 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 345 | MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP); |
| 346 | err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out)); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 347 | if (err) |
| 348 | return err; |
| 349 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 350 | err = mlx5_cmd_status_to_err_v2(out); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 351 | |
| 352 | return err; |
| 353 | } |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 354 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 355 | static int handle_hca_cap(struct mlx5_core_dev *dev) |
| 356 | { |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 357 | void *set_ctx = NULL; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 358 | struct mlx5_profile *prof = dev->profile; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 359 | int err = -ENOMEM; |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 360 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 361 | void *set_hca_cap; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 362 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 363 | set_ctx = kzalloc(set_sz, GFP_KERNEL); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 364 | if (!set_ctx) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 365 | goto query_ex; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 366 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 367 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 368 | if (err) |
| 369 | goto query_ex; |
| 370 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 371 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 372 | if (err) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 373 | goto query_ex; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 374 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 375 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, |
| 376 | capability); |
| 377 | memcpy(set_hca_cap, dev->hca_caps_cur[MLX5_CAP_GENERAL], |
| 378 | MLX5_ST_SZ_BYTES(cmd_hca_cap)); |
| 379 | |
| 380 | mlx5_core_dbg(dev, "Current Pkey table size %d Setting new size %d\n", |
Majd Dibbiny | 707c460 | 2015-06-04 19:30:41 +0300 | [diff] [blame] | 381 | mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size)), |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 382 | 128); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 383 | /* we limit the size of the pkey table to 128 entries for now */ |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 384 | MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, |
| 385 | to_fw_pkey_sz(128)); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 386 | |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 387 | if (prof->mask & MLX5_PROF_MASK_QP_SIZE) |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 388 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, |
| 389 | prof->log_max_qp); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 390 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 391 | /* disable cmdif checksum */ |
| 392 | MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); |
Eli Cohen | c1868b8 | 2013-09-11 16:35:25 +0300 | [diff] [blame] | 393 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 394 | err = set_caps(dev, set_ctx, set_sz); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 395 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 396 | query_ex: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 397 | kfree(set_ctx); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 398 | return err; |
| 399 | } |
| 400 | |
| 401 | static int set_hca_ctrl(struct mlx5_core_dev *dev) |
| 402 | { |
| 403 | struct mlx5_reg_host_endianess he_in; |
| 404 | struct mlx5_reg_host_endianess he_out; |
| 405 | int err; |
| 406 | |
| 407 | memset(&he_in, 0, sizeof(he_in)); |
| 408 | he_in.he = MLX5_SET_HOST_ENDIANNESS; |
| 409 | err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), |
| 410 | &he_out, sizeof(he_out), |
| 411 | MLX5_REG_HOST_ENDIANNESS, 0, 1); |
| 412 | return err; |
| 413 | } |
| 414 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 415 | static int mlx5_core_enable_hca(struct mlx5_core_dev *dev) |
| 416 | { |
| 417 | int err; |
| 418 | struct mlx5_enable_hca_mbox_in in; |
| 419 | struct mlx5_enable_hca_mbox_out out; |
| 420 | |
| 421 | memset(&in, 0, sizeof(in)); |
| 422 | memset(&out, 0, sizeof(out)); |
| 423 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA); |
| 424 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
| 425 | if (err) |
| 426 | return err; |
| 427 | |
| 428 | if (out.hdr.status) |
| 429 | return mlx5_cmd_status_to_err(&out.hdr); |
| 430 | |
| 431 | return 0; |
| 432 | } |
| 433 | |
| 434 | static int mlx5_core_disable_hca(struct mlx5_core_dev *dev) |
| 435 | { |
| 436 | int err; |
| 437 | struct mlx5_disable_hca_mbox_in in; |
| 438 | struct mlx5_disable_hca_mbox_out out; |
| 439 | |
| 440 | memset(&in, 0, sizeof(in)); |
| 441 | memset(&out, 0, sizeof(out)); |
| 442 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA); |
| 443 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
| 444 | if (err) |
| 445 | return err; |
| 446 | |
| 447 | if (out.hdr.status) |
| 448 | return mlx5_cmd_status_to_err(&out.hdr); |
| 449 | |
| 450 | return 0; |
| 451 | } |
| 452 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 453 | static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) |
| 454 | { |
| 455 | struct mlx5_priv *priv = &mdev->priv; |
| 456 | struct msix_entry *msix = priv->msix_arr; |
| 457 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; |
| 458 | int numa_node = dev_to_node(&mdev->pdev->dev); |
| 459 | int err; |
| 460 | |
| 461 | if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) { |
| 462 | mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); |
| 463 | return -ENOMEM; |
| 464 | } |
| 465 | |
David S. Miller | dda922c | 2015-06-01 22:33:25 -0700 | [diff] [blame] | 466 | cpumask_set_cpu(cpumask_local_spread(i, numa_node), |
| 467 | priv->irq_info[i].mask); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 468 | |
| 469 | err = irq_set_affinity_hint(irq, priv->irq_info[i].mask); |
| 470 | if (err) { |
| 471 | mlx5_core_warn(mdev, "irq_set_affinity_hint failed,irq 0x%.4x", |
| 472 | irq); |
| 473 | goto err_clear_mask; |
| 474 | } |
| 475 | |
| 476 | return 0; |
| 477 | |
| 478 | err_clear_mask: |
| 479 | free_cpumask_var(priv->irq_info[i].mask); |
| 480 | return err; |
| 481 | } |
| 482 | |
| 483 | static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i) |
| 484 | { |
| 485 | struct mlx5_priv *priv = &mdev->priv; |
| 486 | struct msix_entry *msix = priv->msix_arr; |
| 487 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; |
| 488 | |
| 489 | irq_set_affinity_hint(irq, NULL); |
| 490 | free_cpumask_var(priv->irq_info[i].mask); |
| 491 | } |
| 492 | |
| 493 | static int mlx5_irq_set_affinity_hints(struct mlx5_core_dev *mdev) |
| 494 | { |
| 495 | int err; |
| 496 | int i; |
| 497 | |
| 498 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) { |
| 499 | err = mlx5_irq_set_affinity_hint(mdev, i); |
| 500 | if (err) |
| 501 | goto err_out; |
| 502 | } |
| 503 | |
| 504 | return 0; |
| 505 | |
| 506 | err_out: |
| 507 | for (i--; i >= 0; i--) |
| 508 | mlx5_irq_clear_affinity_hint(mdev, i); |
| 509 | |
| 510 | return err; |
| 511 | } |
| 512 | |
| 513 | static void mlx5_irq_clear_affinity_hints(struct mlx5_core_dev *mdev) |
| 514 | { |
| 515 | int i; |
| 516 | |
| 517 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) |
| 518 | mlx5_irq_clear_affinity_hint(mdev, i); |
| 519 | } |
| 520 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 521 | int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn) |
| 522 | { |
| 523 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 524 | struct mlx5_eq *eq, *n; |
| 525 | int err = -ENOENT; |
| 526 | |
| 527 | spin_lock(&table->lock); |
| 528 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { |
| 529 | if (eq->index == vector) { |
| 530 | *eqn = eq->eqn; |
| 531 | *irqn = eq->irqn; |
| 532 | err = 0; |
| 533 | break; |
| 534 | } |
| 535 | } |
| 536 | spin_unlock(&table->lock); |
| 537 | |
| 538 | return err; |
| 539 | } |
| 540 | EXPORT_SYMBOL(mlx5_vector2eqn); |
| 541 | |
| 542 | static void free_comp_eqs(struct mlx5_core_dev *dev) |
| 543 | { |
| 544 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 545 | struct mlx5_eq *eq, *n; |
| 546 | |
| 547 | spin_lock(&table->lock); |
| 548 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { |
| 549 | list_del(&eq->list); |
| 550 | spin_unlock(&table->lock); |
| 551 | if (mlx5_destroy_unmap_eq(dev, eq)) |
| 552 | mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", |
| 553 | eq->eqn); |
| 554 | kfree(eq); |
| 555 | spin_lock(&table->lock); |
| 556 | } |
| 557 | spin_unlock(&table->lock); |
| 558 | } |
| 559 | |
| 560 | static int alloc_comp_eqs(struct mlx5_core_dev *dev) |
| 561 | { |
| 562 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 563 | char name[MLX5_MAX_IRQ_NAME]; |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 564 | struct mlx5_eq *eq; |
| 565 | int ncomp_vec; |
| 566 | int nent; |
| 567 | int err; |
| 568 | int i; |
| 569 | |
| 570 | INIT_LIST_HEAD(&table->comp_eqs_list); |
| 571 | ncomp_vec = table->num_comp_vectors; |
| 572 | nent = MLX5_COMP_EQ_SIZE; |
| 573 | for (i = 0; i < ncomp_vec; i++) { |
| 574 | eq = kzalloc(sizeof(*eq), GFP_KERNEL); |
| 575 | if (!eq) { |
| 576 | err = -ENOMEM; |
| 577 | goto clean; |
| 578 | } |
| 579 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 580 | snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i); |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 581 | err = mlx5_create_map_eq(dev, eq, |
| 582 | i + MLX5_EQ_VEC_COMP_BASE, nent, 0, |
| 583 | name, &dev->priv.uuari.uars[0]); |
| 584 | if (err) { |
| 585 | kfree(eq); |
| 586 | goto clean; |
| 587 | } |
| 588 | mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); |
| 589 | eq->index = i; |
| 590 | spin_lock(&table->lock); |
| 591 | list_add_tail(&eq->list, &table->comp_eqs_list); |
| 592 | spin_unlock(&table->lock); |
| 593 | } |
| 594 | |
| 595 | return 0; |
| 596 | |
| 597 | clean: |
| 598 | free_comp_eqs(dev); |
| 599 | return err; |
| 600 | } |
| 601 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 602 | #ifdef CONFIG_MLX5_CORE_EN |
| 603 | static int mlx5_core_set_issi(struct mlx5_core_dev *dev) |
| 604 | { |
| 605 | u32 query_in[MLX5_ST_SZ_DW(query_issi_in)]; |
| 606 | u32 query_out[MLX5_ST_SZ_DW(query_issi_out)]; |
| 607 | u32 set_in[MLX5_ST_SZ_DW(set_issi_in)]; |
| 608 | u32 set_out[MLX5_ST_SZ_DW(set_issi_out)]; |
| 609 | int err; |
| 610 | u32 sup_issi; |
| 611 | |
| 612 | memset(query_in, 0, sizeof(query_in)); |
| 613 | memset(query_out, 0, sizeof(query_out)); |
| 614 | |
| 615 | MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI); |
| 616 | |
| 617 | err = mlx5_cmd_exec_check_status(dev, query_in, sizeof(query_in), |
| 618 | query_out, sizeof(query_out)); |
| 619 | if (err) { |
| 620 | if (((struct mlx5_outbox_hdr *)query_out)->status == |
| 621 | MLX5_CMD_STAT_BAD_OP_ERR) { |
| 622 | pr_debug("Only ISSI 0 is supported\n"); |
| 623 | return 0; |
| 624 | } |
| 625 | |
| 626 | pr_err("failed to query ISSI\n"); |
| 627 | return err; |
| 628 | } |
| 629 | |
| 630 | sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0); |
| 631 | |
| 632 | if (sup_issi & (1 << 1)) { |
| 633 | memset(set_in, 0, sizeof(set_in)); |
| 634 | memset(set_out, 0, sizeof(set_out)); |
| 635 | |
| 636 | MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI); |
| 637 | MLX5_SET(set_issi_in, set_in, current_issi, 1); |
| 638 | |
| 639 | err = mlx5_cmd_exec_check_status(dev, set_in, sizeof(set_in), |
| 640 | set_out, sizeof(set_out)); |
| 641 | if (err) { |
| 642 | pr_err("failed to set ISSI=1\n"); |
| 643 | return err; |
| 644 | } |
| 645 | |
| 646 | dev->issi = 1; |
| 647 | |
| 648 | return 0; |
Haggai Abramonvsky | e74a1db | 2015-06-04 19:30:39 +0300 | [diff] [blame] | 649 | } else if (sup_issi & (1 << 0) || !sup_issi) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | return -ENOTSUPP; |
| 654 | } |
| 655 | #endif |
| 656 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 657 | static int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 658 | { |
| 659 | struct mlx5_priv *priv = &dev->priv; |
| 660 | int err; |
| 661 | |
| 662 | dev->pdev = pdev; |
| 663 | pci_set_drvdata(dev->pdev, dev); |
| 664 | strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); |
| 665 | priv->name[MLX5_MAX_NAME_LEN - 1] = 0; |
| 666 | |
| 667 | mutex_init(&priv->pgdir_mutex); |
| 668 | INIT_LIST_HEAD(&priv->pgdir_list); |
| 669 | spin_lock_init(&priv->mkey_lock); |
| 670 | |
| 671 | priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); |
| 672 | if (!priv->dbg_root) |
| 673 | return -ENOMEM; |
| 674 | |
| 675 | err = pci_enable_device(pdev); |
| 676 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 677 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 678 | goto err_dbg; |
| 679 | } |
| 680 | |
| 681 | err = request_bar(pdev); |
| 682 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 683 | dev_err(&pdev->dev, "error requesting BARs, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 684 | goto err_disable; |
| 685 | } |
| 686 | |
| 687 | pci_set_master(pdev); |
| 688 | |
| 689 | err = set_dma_caps(pdev); |
| 690 | if (err) { |
| 691 | dev_err(&pdev->dev, "Failed setting DMA capabilities mask, aborting\n"); |
| 692 | goto err_clr_master; |
| 693 | } |
| 694 | |
| 695 | dev->iseg_base = pci_resource_start(dev->pdev, 0); |
| 696 | dev->iseg = ioremap(dev->iseg_base, sizeof(*dev->iseg)); |
| 697 | if (!dev->iseg) { |
| 698 | err = -ENOMEM; |
| 699 | dev_err(&pdev->dev, "Failed mapping initialization segment, aborting\n"); |
| 700 | goto err_clr_master; |
| 701 | } |
| 702 | dev_info(&pdev->dev, "firmware version: %d.%d.%d\n", fw_rev_maj(dev), |
| 703 | fw_rev_min(dev), fw_rev_sub(dev)); |
| 704 | |
| 705 | err = mlx5_cmd_init(dev); |
| 706 | if (err) { |
| 707 | dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); |
| 708 | goto err_unmap; |
| 709 | } |
| 710 | |
| 711 | mlx5_pagealloc_init(dev); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 712 | |
| 713 | err = mlx5_core_enable_hca(dev); |
| 714 | if (err) { |
| 715 | dev_err(&pdev->dev, "enable hca failed\n"); |
| 716 | goto err_pagealloc_cleanup; |
| 717 | } |
| 718 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 719 | #ifdef CONFIG_MLX5_CORE_EN |
| 720 | err = mlx5_core_set_issi(dev); |
| 721 | if (err) { |
| 722 | dev_err(&pdev->dev, "failed to set issi\n"); |
| 723 | goto err_disable_hca; |
| 724 | } |
| 725 | #endif |
| 726 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 727 | err = mlx5_satisfy_startup_pages(dev, 1); |
| 728 | if (err) { |
| 729 | dev_err(&pdev->dev, "failed to allocate boot pages\n"); |
| 730 | goto err_disable_hca; |
| 731 | } |
| 732 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 733 | err = set_hca_ctrl(dev); |
| 734 | if (err) { |
| 735 | dev_err(&pdev->dev, "set_hca_ctrl failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 736 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | err = handle_hca_cap(dev); |
| 740 | if (err) { |
| 741 | dev_err(&pdev->dev, "handle_hca_cap failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 742 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 743 | } |
| 744 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 745 | err = mlx5_satisfy_startup_pages(dev, 0); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 746 | if (err) { |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 747 | dev_err(&pdev->dev, "failed to allocate init pages\n"); |
| 748 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 749 | } |
| 750 | |
| 751 | err = mlx5_pagealloc_start(dev); |
| 752 | if (err) { |
| 753 | dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 754 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | err = mlx5_cmd_init_hca(dev); |
| 758 | if (err) { |
| 759 | dev_err(&pdev->dev, "init hca failed\n"); |
| 760 | goto err_pagealloc_stop; |
| 761 | } |
| 762 | |
| 763 | mlx5_start_health_poll(dev); |
| 764 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 765 | err = mlx5_query_hca_caps(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 766 | if (err) { |
| 767 | dev_err(&pdev->dev, "query hca failed\n"); |
| 768 | goto err_stop_poll; |
| 769 | } |
| 770 | |
Majd Dibbiny | 211e6c8 | 2015-06-04 19:30:42 +0300 | [diff] [blame] | 771 | err = mlx5_query_board_id(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 772 | if (err) { |
Majd Dibbiny | 211e6c8 | 2015-06-04 19:30:42 +0300 | [diff] [blame] | 773 | dev_err(&pdev->dev, "query board id failed\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 774 | goto err_stop_poll; |
| 775 | } |
| 776 | |
| 777 | err = mlx5_enable_msix(dev); |
| 778 | if (err) { |
| 779 | dev_err(&pdev->dev, "enable msix failed\n"); |
| 780 | goto err_stop_poll; |
| 781 | } |
| 782 | |
| 783 | err = mlx5_eq_init(dev); |
| 784 | if (err) { |
| 785 | dev_err(&pdev->dev, "failed to initialize eq\n"); |
| 786 | goto disable_msix; |
| 787 | } |
| 788 | |
| 789 | err = mlx5_alloc_uuars(dev, &priv->uuari); |
| 790 | if (err) { |
| 791 | dev_err(&pdev->dev, "Failed allocating uar, aborting\n"); |
| 792 | goto err_eq_cleanup; |
| 793 | } |
| 794 | |
| 795 | err = mlx5_start_eqs(dev); |
| 796 | if (err) { |
| 797 | dev_err(&pdev->dev, "Failed to start pages and async EQs\n"); |
| 798 | goto err_free_uar; |
| 799 | } |
| 800 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 801 | err = alloc_comp_eqs(dev); |
| 802 | if (err) { |
| 803 | dev_err(&pdev->dev, "Failed to alloc completion EQs\n"); |
| 804 | goto err_stop_eqs; |
| 805 | } |
| 806 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 807 | err = mlx5_irq_set_affinity_hints(dev); |
| 808 | if (err) { |
| 809 | dev_err(&pdev->dev, "Failed to alloc affinity hint cpumask\n"); |
| 810 | goto err_free_comp_eqs; |
| 811 | } |
| 812 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 813 | MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock); |
| 814 | |
| 815 | mlx5_init_cq_table(dev); |
| 816 | mlx5_init_qp_table(dev); |
| 817 | mlx5_init_srq_table(dev); |
Sagi Grimberg | 3bcdb17 | 2014-02-23 14:19:10 +0200 | [diff] [blame] | 818 | mlx5_init_mr_table(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 819 | |
| 820 | return 0; |
| 821 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 822 | err_free_comp_eqs: |
| 823 | free_comp_eqs(dev); |
| 824 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 825 | err_stop_eqs: |
| 826 | mlx5_stop_eqs(dev); |
| 827 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 828 | err_free_uar: |
| 829 | mlx5_free_uuars(dev, &priv->uuari); |
| 830 | |
| 831 | err_eq_cleanup: |
| 832 | mlx5_eq_cleanup(dev); |
| 833 | |
| 834 | disable_msix: |
| 835 | mlx5_disable_msix(dev); |
| 836 | |
| 837 | err_stop_poll: |
| 838 | mlx5_stop_health_poll(dev); |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 839 | if (mlx5_cmd_teardown_hca(dev)) { |
| 840 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
| 841 | return err; |
| 842 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 843 | |
| 844 | err_pagealloc_stop: |
| 845 | mlx5_pagealloc_stop(dev); |
| 846 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 847 | reclaim_boot_pages: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 848 | mlx5_reclaim_startup_pages(dev); |
| 849 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 850 | err_disable_hca: |
| 851 | mlx5_core_disable_hca(dev); |
| 852 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 853 | err_pagealloc_cleanup: |
| 854 | mlx5_pagealloc_cleanup(dev); |
| 855 | mlx5_cmd_cleanup(dev); |
| 856 | |
| 857 | err_unmap: |
| 858 | iounmap(dev->iseg); |
| 859 | |
| 860 | err_clr_master: |
| 861 | pci_clear_master(dev->pdev); |
| 862 | release_bar(dev->pdev); |
| 863 | |
| 864 | err_disable: |
| 865 | pci_disable_device(dev->pdev); |
| 866 | |
| 867 | err_dbg: |
| 868 | debugfs_remove(priv->dbg_root); |
| 869 | return err; |
| 870 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 871 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 872 | static void mlx5_dev_cleanup(struct mlx5_core_dev *dev) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 873 | { |
| 874 | struct mlx5_priv *priv = &dev->priv; |
| 875 | |
| 876 | mlx5_cleanup_srq_table(dev); |
| 877 | mlx5_cleanup_qp_table(dev); |
| 878 | mlx5_cleanup_cq_table(dev); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 879 | mlx5_irq_clear_affinity_hints(dev); |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 880 | free_comp_eqs(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 881 | mlx5_stop_eqs(dev); |
| 882 | mlx5_free_uuars(dev, &priv->uuari); |
| 883 | mlx5_eq_cleanup(dev); |
| 884 | mlx5_disable_msix(dev); |
| 885 | mlx5_stop_health_poll(dev); |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 886 | if (mlx5_cmd_teardown_hca(dev)) { |
| 887 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
| 888 | return; |
| 889 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 890 | mlx5_pagealloc_stop(dev); |
| 891 | mlx5_reclaim_startup_pages(dev); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 892 | mlx5_core_disable_hca(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 893 | mlx5_pagealloc_cleanup(dev); |
| 894 | mlx5_cmd_cleanup(dev); |
| 895 | iounmap(dev->iseg); |
| 896 | pci_clear_master(dev->pdev); |
| 897 | release_bar(dev->pdev); |
| 898 | pci_disable_device(dev->pdev); |
| 899 | debugfs_remove(priv->dbg_root); |
| 900 | } |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 901 | |
| 902 | static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) |
| 903 | { |
| 904 | struct mlx5_device_context *dev_ctx; |
| 905 | struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); |
| 906 | |
| 907 | dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL); |
| 908 | if (!dev_ctx) { |
| 909 | pr_warn("mlx5_add_device: alloc context failed\n"); |
| 910 | return; |
| 911 | } |
| 912 | |
| 913 | dev_ctx->intf = intf; |
| 914 | dev_ctx->context = intf->add(dev); |
| 915 | |
| 916 | if (dev_ctx->context) { |
| 917 | spin_lock_irq(&priv->ctx_lock); |
| 918 | list_add_tail(&dev_ctx->list, &priv->ctx_list); |
| 919 | spin_unlock_irq(&priv->ctx_lock); |
| 920 | } else { |
| 921 | kfree(dev_ctx); |
| 922 | } |
| 923 | } |
| 924 | |
| 925 | static void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv) |
| 926 | { |
| 927 | struct mlx5_device_context *dev_ctx; |
| 928 | struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); |
| 929 | |
| 930 | list_for_each_entry(dev_ctx, &priv->ctx_list, list) |
| 931 | if (dev_ctx->intf == intf) { |
| 932 | spin_lock_irq(&priv->ctx_lock); |
| 933 | list_del(&dev_ctx->list); |
| 934 | spin_unlock_irq(&priv->ctx_lock); |
| 935 | |
| 936 | intf->remove(dev, dev_ctx->context); |
| 937 | kfree(dev_ctx); |
| 938 | return; |
| 939 | } |
| 940 | } |
| 941 | static int mlx5_register_device(struct mlx5_core_dev *dev) |
| 942 | { |
| 943 | struct mlx5_priv *priv = &dev->priv; |
| 944 | struct mlx5_interface *intf; |
| 945 | |
| 946 | mutex_lock(&intf_mutex); |
| 947 | list_add_tail(&priv->dev_list, &dev_list); |
| 948 | list_for_each_entry(intf, &intf_list, list) |
| 949 | mlx5_add_device(intf, priv); |
| 950 | mutex_unlock(&intf_mutex); |
| 951 | |
| 952 | return 0; |
| 953 | } |
| 954 | static void mlx5_unregister_device(struct mlx5_core_dev *dev) |
| 955 | { |
| 956 | struct mlx5_priv *priv = &dev->priv; |
| 957 | struct mlx5_interface *intf; |
| 958 | |
| 959 | mutex_lock(&intf_mutex); |
| 960 | list_for_each_entry(intf, &intf_list, list) |
| 961 | mlx5_remove_device(intf, priv); |
| 962 | list_del(&priv->dev_list); |
| 963 | mutex_unlock(&intf_mutex); |
| 964 | } |
| 965 | |
| 966 | int mlx5_register_interface(struct mlx5_interface *intf) |
| 967 | { |
| 968 | struct mlx5_priv *priv; |
| 969 | |
| 970 | if (!intf->add || !intf->remove) |
| 971 | return -EINVAL; |
| 972 | |
| 973 | mutex_lock(&intf_mutex); |
| 974 | list_add_tail(&intf->list, &intf_list); |
| 975 | list_for_each_entry(priv, &dev_list, dev_list) |
| 976 | mlx5_add_device(intf, priv); |
| 977 | mutex_unlock(&intf_mutex); |
| 978 | |
| 979 | return 0; |
| 980 | } |
| 981 | EXPORT_SYMBOL(mlx5_register_interface); |
| 982 | |
| 983 | void mlx5_unregister_interface(struct mlx5_interface *intf) |
| 984 | { |
| 985 | struct mlx5_priv *priv; |
| 986 | |
| 987 | mutex_lock(&intf_mutex); |
| 988 | list_for_each_entry(priv, &dev_list, dev_list) |
| 989 | mlx5_remove_device(intf, priv); |
| 990 | list_del(&intf->list); |
| 991 | mutex_unlock(&intf_mutex); |
| 992 | } |
| 993 | EXPORT_SYMBOL(mlx5_unregister_interface); |
| 994 | |
Saeed Mahameed | 64613d94 | 2015-04-02 17:07:34 +0300 | [diff] [blame] | 995 | void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol) |
| 996 | { |
| 997 | struct mlx5_priv *priv = &mdev->priv; |
| 998 | struct mlx5_device_context *dev_ctx; |
| 999 | unsigned long flags; |
| 1000 | void *result = NULL; |
| 1001 | |
| 1002 | spin_lock_irqsave(&priv->ctx_lock, flags); |
| 1003 | |
| 1004 | list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list) |
| 1005 | if ((dev_ctx->intf->protocol == protocol) && |
| 1006 | dev_ctx->intf->get_dev) { |
| 1007 | result = dev_ctx->intf->get_dev(dev_ctx->context); |
| 1008 | break; |
| 1009 | } |
| 1010 | |
| 1011 | spin_unlock_irqrestore(&priv->ctx_lock, flags); |
| 1012 | |
| 1013 | return result; |
| 1014 | } |
| 1015 | EXPORT_SYMBOL(mlx5_get_protocol_dev); |
| 1016 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1017 | static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, |
Jack Morgenstein | 4d2f9bb | 2014-07-28 23:30:24 +0300 | [diff] [blame] | 1018 | unsigned long param) |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1019 | { |
| 1020 | struct mlx5_priv *priv = &dev->priv; |
| 1021 | struct mlx5_device_context *dev_ctx; |
| 1022 | unsigned long flags; |
| 1023 | |
| 1024 | spin_lock_irqsave(&priv->ctx_lock, flags); |
| 1025 | |
| 1026 | list_for_each_entry(dev_ctx, &priv->ctx_list, list) |
| 1027 | if (dev_ctx->intf->event) |
Jack Morgenstein | 4d2f9bb | 2014-07-28 23:30:24 +0300 | [diff] [blame] | 1028 | dev_ctx->intf->event(dev, dev_ctx->context, event, param); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1029 | |
| 1030 | spin_unlock_irqrestore(&priv->ctx_lock, flags); |
| 1031 | } |
| 1032 | |
| 1033 | struct mlx5_core_event_handler { |
| 1034 | void (*event)(struct mlx5_core_dev *dev, |
| 1035 | enum mlx5_dev_event event, |
| 1036 | void *data); |
| 1037 | }; |
| 1038 | |
Eli Cohen | f66f049 | 2014-12-02 12:26:11 +0200 | [diff] [blame] | 1039 | #define MLX5_IB_MOD "mlx5_ib" |
| 1040 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1041 | static int init_one(struct pci_dev *pdev, |
| 1042 | const struct pci_device_id *id) |
| 1043 | { |
| 1044 | struct mlx5_core_dev *dev; |
| 1045 | struct mlx5_priv *priv; |
| 1046 | int err; |
| 1047 | |
| 1048 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| 1049 | if (!dev) { |
| 1050 | dev_err(&pdev->dev, "kzalloc failed\n"); |
| 1051 | return -ENOMEM; |
| 1052 | } |
| 1053 | priv = &dev->priv; |
| 1054 | |
| 1055 | pci_set_drvdata(pdev, dev); |
| 1056 | |
| 1057 | if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) { |
| 1058 | pr_warn("selected profile out of range, selecting default (%d)\n", |
| 1059 | MLX5_DEFAULT_PROF); |
| 1060 | prof_sel = MLX5_DEFAULT_PROF; |
| 1061 | } |
| 1062 | dev->profile = &profile[prof_sel]; |
| 1063 | dev->event = mlx5_core_event; |
| 1064 | |
Eli Cohen | 364d179 | 2014-11-06 12:51:22 +0200 | [diff] [blame] | 1065 | INIT_LIST_HEAD(&priv->ctx_list); |
| 1066 | spin_lock_init(&priv->ctx_lock); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1067 | err = mlx5_dev_init(dev, pdev); |
| 1068 | if (err) { |
| 1069 | dev_err(&pdev->dev, "mlx5_dev_init failed %d\n", err); |
| 1070 | goto out; |
| 1071 | } |
| 1072 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1073 | err = mlx5_register_device(dev); |
| 1074 | if (err) { |
| 1075 | dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); |
| 1076 | goto out_init; |
| 1077 | } |
| 1078 | |
Eli Cohen | f66f049 | 2014-12-02 12:26:11 +0200 | [diff] [blame] | 1079 | err = request_module_nowait(MLX5_IB_MOD); |
| 1080 | if (err) |
| 1081 | pr_info("failed request module on %s\n", MLX5_IB_MOD); |
| 1082 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1083 | return 0; |
| 1084 | |
| 1085 | out_init: |
| 1086 | mlx5_dev_cleanup(dev); |
| 1087 | out: |
| 1088 | kfree(dev); |
| 1089 | return err; |
| 1090 | } |
| 1091 | static void remove_one(struct pci_dev *pdev) |
| 1092 | { |
| 1093 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1094 | |
| 1095 | mlx5_unregister_device(dev); |
| 1096 | mlx5_dev_cleanup(dev); |
| 1097 | kfree(dev); |
| 1098 | } |
| 1099 | |
| 1100 | static const struct pci_device_id mlx5_core_pci_table[] = { |
Or Gerlitz | 1c755cc | 2015-02-03 17:57:18 +0200 | [diff] [blame] | 1101 | { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ |
| 1102 | { PCI_VDEVICE(MELLANOX, 0x1012) }, /* Connect-IB VF */ |
| 1103 | { PCI_VDEVICE(MELLANOX, 0x1013) }, /* ConnectX-4 */ |
| 1104 | { PCI_VDEVICE(MELLANOX, 0x1014) }, /* ConnectX-4 VF */ |
| 1105 | { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ |
| 1106 | { PCI_VDEVICE(MELLANOX, 0x1016) }, /* ConnectX-4LX VF */ |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1107 | { 0, } |
| 1108 | }; |
| 1109 | |
| 1110 | MODULE_DEVICE_TABLE(pci, mlx5_core_pci_table); |
| 1111 | |
| 1112 | static struct pci_driver mlx5_core_driver = { |
| 1113 | .name = DRIVER_NAME, |
| 1114 | .id_table = mlx5_core_pci_table, |
| 1115 | .probe = init_one, |
| 1116 | .remove = remove_one |
| 1117 | }; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1118 | |
| 1119 | static int __init init(void) |
| 1120 | { |
| 1121 | int err; |
| 1122 | |
| 1123 | mlx5_register_debugfs(); |
| 1124 | mlx5_core_wq = create_singlethread_workqueue("mlx5_core_wq"); |
| 1125 | if (!mlx5_core_wq) { |
| 1126 | err = -ENOMEM; |
| 1127 | goto err_debug; |
| 1128 | } |
| 1129 | mlx5_health_init(); |
| 1130 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1131 | err = pci_register_driver(&mlx5_core_driver); |
| 1132 | if (err) |
| 1133 | goto err_health; |
| 1134 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1135 | #ifdef CONFIG_MLX5_CORE_EN |
| 1136 | mlx5e_init(); |
| 1137 | #endif |
| 1138 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1139 | return 0; |
| 1140 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1141 | err_health: |
| 1142 | mlx5_health_cleanup(); |
| 1143 | destroy_workqueue(mlx5_core_wq); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1144 | err_debug: |
| 1145 | mlx5_unregister_debugfs(); |
| 1146 | return err; |
| 1147 | } |
| 1148 | |
| 1149 | static void __exit cleanup(void) |
| 1150 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1151 | #ifdef CONFIG_MLX5_CORE_EN |
| 1152 | mlx5e_cleanup(); |
| 1153 | #endif |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1154 | pci_unregister_driver(&mlx5_core_driver); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1155 | mlx5_health_cleanup(); |
| 1156 | destroy_workqueue(mlx5_core_wq); |
| 1157 | mlx5_unregister_debugfs(); |
| 1158 | } |
| 1159 | |
| 1160 | module_init(init); |
| 1161 | module_exit(cleanup); |