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 | |
Christoph Hellwig | adec640 | 2015-08-28 09:27:19 +0200 | [diff] [blame] | 33 | #include <linux/highmem.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 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 | e329724 | 2015-10-14 17:43:47 +0300 | [diff] [blame] | 42 | #include <linux/delay.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 43 | #include <linux/mlx5/driver.h> |
| 44 | #include <linux/mlx5/cq.h> |
| 45 | #include <linux/mlx5/qp.h> |
| 46 | #include <linux/mlx5/srq.h> |
| 47 | #include <linux/debugfs.h> |
Eli Cohen | f66f049 | 2014-12-02 12:26:11 +0200 | [diff] [blame] | 48 | #include <linux/kmod.h> |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 49 | #include <linux/delay.h> |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 50 | #include <linux/mlx5/mlx5_ifc.h> |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 51 | #ifdef CONFIG_RFS_ACCEL |
| 52 | #include <linux/cpu_rmap.h> |
| 53 | #endif |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 54 | #include <net/devlink.h> |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 55 | #include "mlx5_core.h" |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 56 | #include "fs_core.h" |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 57 | #ifdef CONFIG_MLX5_CORE_EN |
| 58 | #include "eswitch.h" |
| 59 | #endif |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 60 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 61 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
Achiad Shochat | 4ae6c18 | 2015-04-02 17:07:31 +0300 | [diff] [blame] | 62 | MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 63 | MODULE_LICENSE("Dual BSD/GPL"); |
| 64 | MODULE_VERSION(DRIVER_VERSION); |
| 65 | |
| 66 | int mlx5_core_debug_mask; |
| 67 | module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644); |
| 68 | MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); |
| 69 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 70 | #define MLX5_DEFAULT_PROF 2 |
| 71 | static int prof_sel = MLX5_DEFAULT_PROF; |
| 72 | module_param_named(prof_sel, prof_sel, int, 0444); |
| 73 | MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); |
| 74 | |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 75 | enum { |
| 76 | MLX5_ATOMIC_REQ_MODE_BE = 0x0, |
| 77 | MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS = 0x1, |
| 78 | }; |
| 79 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 80 | static struct mlx5_profile profile[] = { |
| 81 | [0] = { |
| 82 | .mask = 0, |
| 83 | }, |
| 84 | [1] = { |
| 85 | .mask = MLX5_PROF_MASK_QP_SIZE, |
| 86 | .log_max_qp = 12, |
| 87 | }, |
| 88 | [2] = { |
| 89 | .mask = MLX5_PROF_MASK_QP_SIZE | |
| 90 | MLX5_PROF_MASK_MR_CACHE, |
| 91 | .log_max_qp = 17, |
| 92 | .mr_cache[0] = { |
| 93 | .size = 500, |
| 94 | .limit = 250 |
| 95 | }, |
| 96 | .mr_cache[1] = { |
| 97 | .size = 500, |
| 98 | .limit = 250 |
| 99 | }, |
| 100 | .mr_cache[2] = { |
| 101 | .size = 500, |
| 102 | .limit = 250 |
| 103 | }, |
| 104 | .mr_cache[3] = { |
| 105 | .size = 500, |
| 106 | .limit = 250 |
| 107 | }, |
| 108 | .mr_cache[4] = { |
| 109 | .size = 500, |
| 110 | .limit = 250 |
| 111 | }, |
| 112 | .mr_cache[5] = { |
| 113 | .size = 500, |
| 114 | .limit = 250 |
| 115 | }, |
| 116 | .mr_cache[6] = { |
| 117 | .size = 500, |
| 118 | .limit = 250 |
| 119 | }, |
| 120 | .mr_cache[7] = { |
| 121 | .size = 500, |
| 122 | .limit = 250 |
| 123 | }, |
| 124 | .mr_cache[8] = { |
| 125 | .size = 500, |
| 126 | .limit = 250 |
| 127 | }, |
| 128 | .mr_cache[9] = { |
| 129 | .size = 500, |
| 130 | .limit = 250 |
| 131 | }, |
| 132 | .mr_cache[10] = { |
| 133 | .size = 500, |
| 134 | .limit = 250 |
| 135 | }, |
| 136 | .mr_cache[11] = { |
| 137 | .size = 500, |
| 138 | .limit = 250 |
| 139 | }, |
| 140 | .mr_cache[12] = { |
| 141 | .size = 64, |
| 142 | .limit = 32 |
| 143 | }, |
| 144 | .mr_cache[13] = { |
| 145 | .size = 32, |
| 146 | .limit = 16 |
| 147 | }, |
| 148 | .mr_cache[14] = { |
| 149 | .size = 16, |
| 150 | .limit = 8 |
| 151 | }, |
| 152 | .mr_cache[15] = { |
| 153 | .size = 8, |
| 154 | .limit = 4 |
| 155 | }, |
| 156 | }, |
| 157 | }; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 158 | |
Eli Cohen | e329724 | 2015-10-14 17:43:47 +0300 | [diff] [blame] | 159 | #define FW_INIT_TIMEOUT_MILI 2000 |
| 160 | #define FW_INIT_WAIT_MS 2 |
| 161 | |
| 162 | static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili) |
| 163 | { |
| 164 | unsigned long end = jiffies + msecs_to_jiffies(max_wait_mili); |
| 165 | int err = 0; |
| 166 | |
| 167 | while (fw_initializing(dev)) { |
| 168 | if (time_after(jiffies, end)) { |
| 169 | err = -EBUSY; |
| 170 | break; |
| 171 | } |
| 172 | msleep(FW_INIT_WAIT_MS); |
| 173 | } |
| 174 | |
| 175 | return err; |
| 176 | } |
| 177 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 178 | static int set_dma_caps(struct pci_dev *pdev) |
| 179 | { |
| 180 | int err; |
| 181 | |
| 182 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 183 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 184 | 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] | 185 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 186 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 187 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 188 | return err; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); |
| 193 | if (err) { |
| 194 | dev_warn(&pdev->dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 195 | "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 196 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
| 197 | if (err) { |
| 198 | dev_err(&pdev->dev, |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 199 | "Can't set consistent PCI DMA mask, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 200 | return err; |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); |
| 205 | return err; |
| 206 | } |
| 207 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 208 | static int mlx5_pci_enable_device(struct mlx5_core_dev *dev) |
| 209 | { |
| 210 | struct pci_dev *pdev = dev->pdev; |
| 211 | int err = 0; |
| 212 | |
| 213 | mutex_lock(&dev->pci_status_mutex); |
| 214 | if (dev->pci_status == MLX5_PCI_STATUS_DISABLED) { |
| 215 | err = pci_enable_device(pdev); |
| 216 | if (!err) |
| 217 | dev->pci_status = MLX5_PCI_STATUS_ENABLED; |
| 218 | } |
| 219 | mutex_unlock(&dev->pci_status_mutex); |
| 220 | |
| 221 | return err; |
| 222 | } |
| 223 | |
| 224 | static void mlx5_pci_disable_device(struct mlx5_core_dev *dev) |
| 225 | { |
| 226 | struct pci_dev *pdev = dev->pdev; |
| 227 | |
| 228 | mutex_lock(&dev->pci_status_mutex); |
| 229 | if (dev->pci_status == MLX5_PCI_STATUS_ENABLED) { |
| 230 | pci_disable_device(pdev); |
| 231 | dev->pci_status = MLX5_PCI_STATUS_DISABLED; |
| 232 | } |
| 233 | mutex_unlock(&dev->pci_status_mutex); |
| 234 | } |
| 235 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 236 | static int request_bar(struct pci_dev *pdev) |
| 237 | { |
| 238 | int err = 0; |
| 239 | |
| 240 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 241 | dev_err(&pdev->dev, "Missing registers BAR, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 242 | return -ENODEV; |
| 243 | } |
| 244 | |
| 245 | err = pci_request_regions(pdev, DRIVER_NAME); |
| 246 | if (err) |
| 247 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); |
| 248 | |
| 249 | return err; |
| 250 | } |
| 251 | |
| 252 | static void release_bar(struct pci_dev *pdev) |
| 253 | { |
| 254 | pci_release_regions(pdev); |
| 255 | } |
| 256 | |
| 257 | static int mlx5_enable_msix(struct mlx5_core_dev *dev) |
| 258 | { |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 259 | struct mlx5_priv *priv = &dev->priv; |
| 260 | struct mlx5_eq_table *table = &priv->eq_table; |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 261 | int num_eqs = 1 << MLX5_CAP_GEN(dev, log_max_eq); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 262 | int nvec; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 263 | int i; |
| 264 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 265 | nvec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + |
| 266 | MLX5_EQ_VEC_COMP_BASE; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 267 | nvec = min_t(int, nvec, num_eqs); |
| 268 | if (nvec <= MLX5_EQ_VEC_COMP_BASE) |
| 269 | return -ENOMEM; |
| 270 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 271 | priv->msix_arr = kcalloc(nvec, sizeof(*priv->msix_arr), GFP_KERNEL); |
| 272 | |
| 273 | priv->irq_info = kcalloc(nvec, sizeof(*priv->irq_info), GFP_KERNEL); |
| 274 | if (!priv->msix_arr || !priv->irq_info) |
| 275 | goto err_free_msix; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 276 | |
| 277 | for (i = 0; i < nvec; i++) |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 278 | priv->msix_arr[i].entry = i; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 279 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 280 | nvec = pci_enable_msix_range(dev->pdev, priv->msix_arr, |
Eli Cohen | 3a9e161 | 2014-12-02 12:26:12 +0200 | [diff] [blame] | 281 | MLX5_EQ_VEC_COMP_BASE + 1, nvec); |
Alexander Gordeev | f3c9407 | 2014-02-18 11:11:48 +0100 | [diff] [blame] | 282 | if (nvec < 0) |
| 283 | return nvec; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 284 | |
Alexander Gordeev | f3c9407 | 2014-02-18 11:11:48 +0100 | [diff] [blame] | 285 | table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 286 | |
| 287 | return 0; |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 288 | |
| 289 | err_free_msix: |
| 290 | kfree(priv->irq_info); |
| 291 | kfree(priv->msix_arr); |
| 292 | return -ENOMEM; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | static void mlx5_disable_msix(struct mlx5_core_dev *dev) |
| 296 | { |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 297 | struct mlx5_priv *priv = &dev->priv; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 298 | |
| 299 | pci_disable_msix(dev->pdev); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 300 | kfree(priv->irq_info); |
| 301 | kfree(priv->msix_arr); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | struct mlx5_reg_host_endianess { |
| 305 | u8 he; |
| 306 | u8 rsvd[15]; |
| 307 | }; |
| 308 | |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 309 | |
| 310 | #define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) |
| 311 | |
| 312 | enum { |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 313 | MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | |
| 314 | MLX5_DEV_CAP_FLAG_DCT, |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 315 | }; |
| 316 | |
Saeed Mahameed | 2974ab6 | 2016-07-28 16:43:17 +0300 | [diff] [blame] | 317 | static u16 to_fw_pkey_sz(struct mlx5_core_dev *dev, u32 size) |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 318 | { |
| 319 | switch (size) { |
| 320 | case 128: |
| 321 | return 0; |
| 322 | case 256: |
| 323 | return 1; |
| 324 | case 512: |
| 325 | return 2; |
| 326 | case 1024: |
| 327 | return 3; |
| 328 | case 2048: |
| 329 | return 4; |
| 330 | case 4096: |
| 331 | return 5; |
| 332 | default: |
Saeed Mahameed | 2974ab6 | 2016-07-28 16:43:17 +0300 | [diff] [blame] | 333 | mlx5_core_warn(dev, "invalid pkey table size %d\n", size); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 334 | return 0; |
| 335 | } |
| 336 | } |
| 337 | |
Leon Romanovsky | b06e7de | 2016-02-23 10:25:22 +0200 | [diff] [blame] | 338 | static int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev, |
| 339 | enum mlx5_cap_type cap_type, |
| 340 | enum mlx5_cap_mode cap_mode) |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 341 | { |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 342 | u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; |
| 343 | int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 344 | void *out, *hca_caps; |
| 345 | u16 opmod = (cap_type << 1) | (cap_mode & 0x01); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 346 | int err; |
| 347 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 348 | memset(in, 0, sizeof(in)); |
| 349 | out = kzalloc(out_sz, GFP_KERNEL); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 350 | if (!out) |
| 351 | return -ENOMEM; |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 352 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 353 | MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); |
| 354 | MLX5_SET(query_hca_cap_in, in, op_mod, opmod); |
| 355 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 356 | if (err) { |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 357 | mlx5_core_warn(dev, |
| 358 | "QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n", |
| 359 | cap_type, cap_mode, err); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 360 | goto query_ex; |
| 361 | } |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 362 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 363 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, out, capability); |
| 364 | |
| 365 | switch (cap_mode) { |
| 366 | case HCA_CAP_OPMOD_GET_MAX: |
| 367 | memcpy(dev->hca_caps_max[cap_type], hca_caps, |
| 368 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
| 369 | break; |
| 370 | case HCA_CAP_OPMOD_GET_CUR: |
| 371 | memcpy(dev->hca_caps_cur[cap_type], hca_caps, |
| 372 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
| 373 | break; |
| 374 | default: |
| 375 | mlx5_core_warn(dev, |
| 376 | "Tried to query dev cap type(%x) with wrong opmode(%x)\n", |
| 377 | cap_type, cap_mode); |
| 378 | err = -EINVAL; |
| 379 | break; |
| 380 | } |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 381 | query_ex: |
| 382 | kfree(out); |
| 383 | return err; |
| 384 | } |
| 385 | |
Leon Romanovsky | b06e7de | 2016-02-23 10:25:22 +0200 | [diff] [blame] | 386 | int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type) |
| 387 | { |
| 388 | int ret; |
| 389 | |
| 390 | ret = mlx5_core_get_caps_mode(dev, cap_type, HCA_CAP_OPMOD_GET_CUR); |
| 391 | if (ret) |
| 392 | return ret; |
| 393 | return mlx5_core_get_caps_mode(dev, cap_type, HCA_CAP_OPMOD_GET_MAX); |
| 394 | } |
| 395 | |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 396 | static int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz, int opmod) |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 397 | { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 398 | u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)] = {0}; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 399 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 400 | MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP); |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 401 | MLX5_SET(set_hca_cap_in, in, op_mod, opmod << 1); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 402 | return mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out)); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 403 | } |
Eli Cohen | 87b8de4 | 2013-10-23 09:53:20 +0300 | [diff] [blame] | 404 | |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 405 | static int handle_hca_cap_atomic(struct mlx5_core_dev *dev) |
| 406 | { |
| 407 | void *set_ctx; |
| 408 | void *set_hca_cap; |
| 409 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); |
| 410 | int req_endianness; |
| 411 | int err; |
| 412 | |
| 413 | if (MLX5_CAP_GEN(dev, atomic)) { |
Leon Romanovsky | b06e7de | 2016-02-23 10:25:22 +0200 | [diff] [blame] | 414 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC); |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 415 | if (err) |
| 416 | return err; |
| 417 | } else { |
| 418 | return 0; |
| 419 | } |
| 420 | |
| 421 | req_endianness = |
| 422 | MLX5_CAP_ATOMIC(dev, |
| 423 | supported_atomic_req_8B_endianess_mode_1); |
| 424 | |
| 425 | if (req_endianness != MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS) |
| 426 | return 0; |
| 427 | |
| 428 | set_ctx = kzalloc(set_sz, GFP_KERNEL); |
| 429 | if (!set_ctx) |
| 430 | return -ENOMEM; |
| 431 | |
| 432 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); |
| 433 | |
| 434 | /* Set requestor to host endianness */ |
| 435 | MLX5_SET(atomic_caps, set_hca_cap, atomic_req_8B_endianess_mode, |
| 436 | MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS); |
| 437 | |
| 438 | err = set_caps(dev, set_ctx, set_sz, MLX5_SET_HCA_CAP_OP_MOD_ATOMIC); |
| 439 | |
| 440 | kfree(set_ctx); |
| 441 | return err; |
| 442 | } |
| 443 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 444 | static int handle_hca_cap(struct mlx5_core_dev *dev) |
| 445 | { |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 446 | void *set_ctx = NULL; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 447 | struct mlx5_profile *prof = dev->profile; |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 448 | int err = -ENOMEM; |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 449 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 450 | void *set_hca_cap; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 451 | |
Eli Cohen | b775516 | 2014-10-02 12:19:44 +0300 | [diff] [blame] | 452 | set_ctx = kzalloc(set_sz, GFP_KERNEL); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 453 | if (!set_ctx) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 454 | goto query_ex; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 455 | |
Leon Romanovsky | b06e7de | 2016-02-23 10:25:22 +0200 | [diff] [blame] | 456 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 457 | if (err) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 458 | goto query_ex; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 459 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 460 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, |
| 461 | capability); |
| 462 | memcpy(set_hca_cap, dev->hca_caps_cur[MLX5_CAP_GENERAL], |
| 463 | MLX5_ST_SZ_BYTES(cmd_hca_cap)); |
| 464 | |
| 465 | 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] | 466 | mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size)), |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 467 | 128); |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 468 | /* 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] | 469 | MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, |
Saeed Mahameed | 2974ab6 | 2016-07-28 16:43:17 +0300 | [diff] [blame] | 470 | to_fw_pkey_sz(dev, 128)); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 471 | |
Eli Cohen | c7a08ac | 2014-10-02 12:19:42 +0300 | [diff] [blame] | 472 | if (prof->mask & MLX5_PROF_MASK_QP_SIZE) |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 473 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, |
| 474 | prof->log_max_qp); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 475 | |
Saeed Mahameed | 938fe83 | 2015-05-28 22:28:41 +0300 | [diff] [blame] | 476 | /* disable cmdif checksum */ |
| 477 | MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); |
Eli Cohen | c1868b8 | 2013-09-11 16:35:25 +0300 | [diff] [blame] | 478 | |
Carol L Soto | fe1e187 | 2015-08-05 11:05:32 -0500 | [diff] [blame] | 479 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); |
| 480 | |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 481 | err = set_caps(dev, set_ctx, set_sz, |
| 482 | MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 483 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 484 | query_ex: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 485 | kfree(set_ctx); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 486 | return err; |
| 487 | } |
| 488 | |
| 489 | static int set_hca_ctrl(struct mlx5_core_dev *dev) |
| 490 | { |
| 491 | struct mlx5_reg_host_endianess he_in; |
| 492 | struct mlx5_reg_host_endianess he_out; |
| 493 | int err; |
| 494 | |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 495 | if (!mlx5_core_is_pf(dev)) |
| 496 | return 0; |
| 497 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 498 | memset(&he_in, 0, sizeof(he_in)); |
| 499 | he_in.he = MLX5_SET_HOST_ENDIANNESS; |
| 500 | err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), |
| 501 | &he_out, sizeof(he_out), |
| 502 | MLX5_REG_HOST_ENDIANNESS, 0, 1); |
| 503 | return err; |
| 504 | } |
| 505 | |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 506 | int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id) |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 507 | { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 508 | u32 out[MLX5_ST_SZ_DW(enable_hca_out)] = {0}; |
| 509 | u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {0}; |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 510 | |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 511 | MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA); |
| 512 | MLX5_SET(enable_hca_in, in, function_id, func_id); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 513 | return mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 514 | } |
| 515 | |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 516 | int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id) |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 517 | { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 518 | u32 out[MLX5_ST_SZ_DW(disable_hca_out)] = {0}; |
| 519 | u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {0}; |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 520 | |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 521 | MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA); |
| 522 | MLX5_SET(disable_hca_in, in, function_id, func_id); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 523 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 524 | } |
| 525 | |
Eran Ben Elisha | b084444 | 2015-12-29 14:58:30 +0200 | [diff] [blame] | 526 | cycle_t mlx5_read_internal_timer(struct mlx5_core_dev *dev) |
| 527 | { |
| 528 | u32 timer_h, timer_h1, timer_l; |
| 529 | |
| 530 | timer_h = ioread32be(&dev->iseg->internal_timer_h); |
| 531 | timer_l = ioread32be(&dev->iseg->internal_timer_l); |
| 532 | timer_h1 = ioread32be(&dev->iseg->internal_timer_h); |
| 533 | if (timer_h != timer_h1) /* wrap around */ |
| 534 | timer_l = ioread32be(&dev->iseg->internal_timer_l); |
| 535 | |
| 536 | return (cycle_t)timer_l | (cycle_t)timer_h1 << 32; |
| 537 | } |
| 538 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 539 | static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) |
| 540 | { |
| 541 | struct mlx5_priv *priv = &mdev->priv; |
| 542 | struct msix_entry *msix = priv->msix_arr; |
| 543 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 544 | int numa_node = priv->numa_node; |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 545 | int err; |
| 546 | |
| 547 | if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) { |
| 548 | mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); |
| 549 | return -ENOMEM; |
| 550 | } |
| 551 | |
David S. Miller | dda922c | 2015-06-01 22:33:25 -0700 | [diff] [blame] | 552 | cpumask_set_cpu(cpumask_local_spread(i, numa_node), |
| 553 | priv->irq_info[i].mask); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 554 | |
| 555 | err = irq_set_affinity_hint(irq, priv->irq_info[i].mask); |
| 556 | if (err) { |
| 557 | mlx5_core_warn(mdev, "irq_set_affinity_hint failed,irq 0x%.4x", |
| 558 | irq); |
| 559 | goto err_clear_mask; |
| 560 | } |
| 561 | |
| 562 | return 0; |
| 563 | |
| 564 | err_clear_mask: |
| 565 | free_cpumask_var(priv->irq_info[i].mask); |
| 566 | return err; |
| 567 | } |
| 568 | |
| 569 | static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i) |
| 570 | { |
| 571 | struct mlx5_priv *priv = &mdev->priv; |
| 572 | struct msix_entry *msix = priv->msix_arr; |
| 573 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; |
| 574 | |
| 575 | irq_set_affinity_hint(irq, NULL); |
| 576 | free_cpumask_var(priv->irq_info[i].mask); |
| 577 | } |
| 578 | |
| 579 | static int mlx5_irq_set_affinity_hints(struct mlx5_core_dev *mdev) |
| 580 | { |
| 581 | int err; |
| 582 | int i; |
| 583 | |
| 584 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) { |
| 585 | err = mlx5_irq_set_affinity_hint(mdev, i); |
| 586 | if (err) |
| 587 | goto err_out; |
| 588 | } |
| 589 | |
| 590 | return 0; |
| 591 | |
| 592 | err_out: |
| 593 | for (i--; i >= 0; i--) |
| 594 | mlx5_irq_clear_affinity_hint(mdev, i); |
| 595 | |
| 596 | return err; |
| 597 | } |
| 598 | |
| 599 | static void mlx5_irq_clear_affinity_hints(struct mlx5_core_dev *mdev) |
| 600 | { |
| 601 | int i; |
| 602 | |
| 603 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) |
| 604 | mlx5_irq_clear_affinity_hint(mdev, i); |
| 605 | } |
| 606 | |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 607 | int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, |
| 608 | unsigned int *irqn) |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 609 | { |
| 610 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 611 | struct mlx5_eq *eq, *n; |
| 612 | int err = -ENOENT; |
| 613 | |
| 614 | spin_lock(&table->lock); |
| 615 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { |
| 616 | if (eq->index == vector) { |
| 617 | *eqn = eq->eqn; |
| 618 | *irqn = eq->irqn; |
| 619 | err = 0; |
| 620 | break; |
| 621 | } |
| 622 | } |
| 623 | spin_unlock(&table->lock); |
| 624 | |
| 625 | return err; |
| 626 | } |
| 627 | EXPORT_SYMBOL(mlx5_vector2eqn); |
| 628 | |
Matan Barak | 94c6825 | 2016-04-17 17:08:40 +0300 | [diff] [blame] | 629 | struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn) |
| 630 | { |
| 631 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 632 | struct mlx5_eq *eq; |
| 633 | |
| 634 | spin_lock(&table->lock); |
| 635 | list_for_each_entry(eq, &table->comp_eqs_list, list) |
| 636 | if (eq->eqn == eqn) { |
| 637 | spin_unlock(&table->lock); |
| 638 | return eq; |
| 639 | } |
| 640 | |
| 641 | spin_unlock(&table->lock); |
| 642 | |
| 643 | return ERR_PTR(-ENOENT); |
| 644 | } |
| 645 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 646 | static void free_comp_eqs(struct mlx5_core_dev *dev) |
| 647 | { |
| 648 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
| 649 | struct mlx5_eq *eq, *n; |
| 650 | |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 651 | #ifdef CONFIG_RFS_ACCEL |
| 652 | if (dev->rmap) { |
| 653 | free_irq_cpu_rmap(dev->rmap); |
| 654 | dev->rmap = NULL; |
| 655 | } |
| 656 | #endif |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 657 | spin_lock(&table->lock); |
| 658 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { |
| 659 | list_del(&eq->list); |
| 660 | spin_unlock(&table->lock); |
| 661 | if (mlx5_destroy_unmap_eq(dev, eq)) |
| 662 | mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", |
| 663 | eq->eqn); |
| 664 | kfree(eq); |
| 665 | spin_lock(&table->lock); |
| 666 | } |
| 667 | spin_unlock(&table->lock); |
| 668 | } |
| 669 | |
| 670 | static int alloc_comp_eqs(struct mlx5_core_dev *dev) |
| 671 | { |
| 672 | struct mlx5_eq_table *table = &dev->priv.eq_table; |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 673 | char name[MLX5_MAX_IRQ_NAME]; |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 674 | struct mlx5_eq *eq; |
| 675 | int ncomp_vec; |
| 676 | int nent; |
| 677 | int err; |
| 678 | int i; |
| 679 | |
| 680 | INIT_LIST_HEAD(&table->comp_eqs_list); |
| 681 | ncomp_vec = table->num_comp_vectors; |
| 682 | nent = MLX5_COMP_EQ_SIZE; |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 683 | #ifdef CONFIG_RFS_ACCEL |
| 684 | dev->rmap = alloc_irq_cpu_rmap(ncomp_vec); |
| 685 | if (!dev->rmap) |
| 686 | return -ENOMEM; |
| 687 | #endif |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 688 | for (i = 0; i < ncomp_vec; i++) { |
| 689 | eq = kzalloc(sizeof(*eq), GFP_KERNEL); |
| 690 | if (!eq) { |
| 691 | err = -ENOMEM; |
| 692 | goto clean; |
| 693 | } |
| 694 | |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 695 | #ifdef CONFIG_RFS_ACCEL |
| 696 | irq_cpu_rmap_add(dev->rmap, |
| 697 | dev->priv.msix_arr[i + MLX5_EQ_VEC_COMP_BASE].vector); |
| 698 | #endif |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 699 | snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i); |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 700 | err = mlx5_create_map_eq(dev, eq, |
| 701 | i + MLX5_EQ_VEC_COMP_BASE, nent, 0, |
| 702 | name, &dev->priv.uuari.uars[0]); |
| 703 | if (err) { |
| 704 | kfree(eq); |
| 705 | goto clean; |
| 706 | } |
| 707 | mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); |
| 708 | eq->index = i; |
| 709 | spin_lock(&table->lock); |
| 710 | list_add_tail(&eq->list, &table->comp_eqs_list); |
| 711 | spin_unlock(&table->lock); |
| 712 | } |
| 713 | |
| 714 | return 0; |
| 715 | |
| 716 | clean: |
| 717 | free_comp_eqs(dev); |
| 718 | return err; |
| 719 | } |
| 720 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 721 | static int mlx5_core_set_issi(struct mlx5_core_dev *dev) |
| 722 | { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 723 | u32 query_in[MLX5_ST_SZ_DW(query_issi_in)] = {0}; |
| 724 | u32 query_out[MLX5_ST_SZ_DW(query_issi_out)] = {0}; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 725 | u32 sup_issi; |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 726 | int err; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 727 | |
| 728 | MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 729 | err = mlx5_cmd_exec(dev, query_in, sizeof(query_in), |
| 730 | query_out, sizeof(query_out)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 731 | if (err) { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 732 | u32 syndrome; |
| 733 | u8 status; |
| 734 | |
| 735 | mlx5_cmd_mbox_status(query_out, &status, &syndrome); |
| 736 | if (status == MLX5_CMD_STAT_BAD_OP_ERR) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 737 | pr_debug("Only ISSI 0 is supported\n"); |
| 738 | return 0; |
| 739 | } |
| 740 | |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 741 | pr_err("failed to query ISSI err(%d)\n", err); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 742 | return err; |
| 743 | } |
| 744 | |
| 745 | sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0); |
| 746 | |
| 747 | if (sup_issi & (1 << 1)) { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 748 | u32 set_in[MLX5_ST_SZ_DW(set_issi_in)] = {0}; |
| 749 | u32 set_out[MLX5_ST_SZ_DW(set_issi_out)] = {0}; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 750 | |
| 751 | MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI); |
| 752 | MLX5_SET(set_issi_in, set_in, current_issi, 1); |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 753 | err = mlx5_cmd_exec(dev, set_in, sizeof(set_in), |
| 754 | set_out, sizeof(set_out)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 755 | if (err) { |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 756 | pr_err("failed to set ISSI=1 err(%d)\n", err); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 757 | return err; |
| 758 | } |
| 759 | |
| 760 | dev->issi = 1; |
| 761 | |
| 762 | return 0; |
Haggai Abramonvsky | e74a1db | 2015-06-04 19:30:39 +0300 | [diff] [blame] | 763 | } else if (sup_issi & (1 << 0) || !sup_issi) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 764 | return 0; |
| 765 | } |
| 766 | |
| 767 | return -ENOTSUPP; |
| 768 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 769 | |
Aviv Heller | 7907f23 | 2016-04-17 16:57:32 +0300 | [diff] [blame] | 770 | |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 771 | static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv) |
| 772 | { |
| 773 | struct pci_dev *pdev = dev->pdev; |
| 774 | int err = 0; |
| 775 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 776 | pci_set_drvdata(dev->pdev, dev); |
| 777 | strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); |
| 778 | priv->name[MLX5_MAX_NAME_LEN - 1] = 0; |
| 779 | |
| 780 | mutex_init(&priv->pgdir_mutex); |
| 781 | INIT_LIST_HEAD(&priv->pgdir_list); |
| 782 | spin_lock_init(&priv->mkey_lock); |
| 783 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 784 | mutex_init(&priv->alloc_mutex); |
| 785 | |
| 786 | priv->numa_node = dev_to_node(&dev->pdev->dev); |
| 787 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 788 | priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); |
| 789 | if (!priv->dbg_root) |
| 790 | return -ENOMEM; |
| 791 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 792 | err = mlx5_pci_enable_device(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 793 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 794 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 795 | goto err_dbg; |
| 796 | } |
| 797 | |
| 798 | err = request_bar(pdev); |
| 799 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 800 | dev_err(&pdev->dev, "error requesting BARs, aborting\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 801 | goto err_disable; |
| 802 | } |
| 803 | |
| 804 | pci_set_master(pdev); |
| 805 | |
| 806 | err = set_dma_caps(pdev); |
| 807 | if (err) { |
| 808 | dev_err(&pdev->dev, "Failed setting DMA capabilities mask, aborting\n"); |
| 809 | goto err_clr_master; |
| 810 | } |
| 811 | |
| 812 | dev->iseg_base = pci_resource_start(dev->pdev, 0); |
| 813 | dev->iseg = ioremap(dev->iseg_base, sizeof(*dev->iseg)); |
| 814 | if (!dev->iseg) { |
| 815 | err = -ENOMEM; |
| 816 | dev_err(&pdev->dev, "Failed mapping initialization segment, aborting\n"); |
| 817 | goto err_clr_master; |
| 818 | } |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 819 | |
| 820 | return 0; |
| 821 | |
| 822 | err_clr_master: |
| 823 | pci_clear_master(dev->pdev); |
| 824 | release_bar(dev->pdev); |
| 825 | err_disable: |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 826 | mlx5_pci_disable_device(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 827 | |
| 828 | err_dbg: |
| 829 | debugfs_remove(priv->dbg_root); |
| 830 | return err; |
| 831 | } |
| 832 | |
| 833 | static void mlx5_pci_close(struct mlx5_core_dev *dev, struct mlx5_priv *priv) |
| 834 | { |
| 835 | iounmap(dev->iseg); |
| 836 | pci_clear_master(dev->pdev); |
| 837 | release_bar(dev->pdev); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 838 | mlx5_pci_disable_device(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 839 | debugfs_remove(priv->dbg_root); |
| 840 | } |
| 841 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 842 | static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv) |
| 843 | { |
| 844 | struct pci_dev *pdev = dev->pdev; |
| 845 | int err; |
| 846 | |
| 847 | err = mlx5_query_hca_caps(dev); |
| 848 | if (err) { |
| 849 | dev_err(&pdev->dev, "query hca failed\n"); |
| 850 | goto out; |
| 851 | } |
| 852 | |
| 853 | err = mlx5_query_board_id(dev); |
| 854 | if (err) { |
| 855 | dev_err(&pdev->dev, "query board id failed\n"); |
| 856 | goto out; |
| 857 | } |
| 858 | |
| 859 | err = mlx5_eq_init(dev); |
| 860 | if (err) { |
| 861 | dev_err(&pdev->dev, "failed to initialize eq\n"); |
| 862 | goto out; |
| 863 | } |
| 864 | |
| 865 | MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock); |
| 866 | |
| 867 | err = mlx5_init_cq_table(dev); |
| 868 | if (err) { |
| 869 | dev_err(&pdev->dev, "failed to initialize cq table\n"); |
| 870 | goto err_eq_cleanup; |
| 871 | } |
| 872 | |
| 873 | mlx5_init_qp_table(dev); |
| 874 | |
| 875 | mlx5_init_srq_table(dev); |
| 876 | |
| 877 | mlx5_init_mkey_table(dev); |
| 878 | |
| 879 | err = mlx5_init_rl_table(dev); |
| 880 | if (err) { |
| 881 | dev_err(&pdev->dev, "Failed to init rate limiting\n"); |
| 882 | goto err_tables_cleanup; |
| 883 | } |
| 884 | |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 885 | #ifdef CONFIG_MLX5_CORE_EN |
| 886 | err = mlx5_eswitch_init(dev); |
| 887 | if (err) { |
| 888 | dev_err(&pdev->dev, "Failed to init eswitch %d\n", err); |
| 889 | goto err_rl_cleanup; |
| 890 | } |
| 891 | #endif |
| 892 | |
| 893 | err = mlx5_sriov_init(dev); |
| 894 | if (err) { |
| 895 | dev_err(&pdev->dev, "Failed to init sriov %d\n", err); |
| 896 | goto err_eswitch_cleanup; |
| 897 | } |
| 898 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 899 | return 0; |
| 900 | |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 901 | err_eswitch_cleanup: |
| 902 | #ifdef CONFIG_MLX5_CORE_EN |
| 903 | mlx5_eswitch_cleanup(dev->priv.eswitch); |
| 904 | |
| 905 | err_rl_cleanup: |
| 906 | #endif |
| 907 | mlx5_cleanup_rl_table(dev); |
| 908 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 909 | err_tables_cleanup: |
| 910 | mlx5_cleanup_mkey_table(dev); |
| 911 | mlx5_cleanup_srq_table(dev); |
| 912 | mlx5_cleanup_qp_table(dev); |
| 913 | mlx5_cleanup_cq_table(dev); |
| 914 | |
| 915 | err_eq_cleanup: |
| 916 | mlx5_eq_cleanup(dev); |
| 917 | |
| 918 | out: |
| 919 | return err; |
| 920 | } |
| 921 | |
| 922 | static void mlx5_cleanup_once(struct mlx5_core_dev *dev) |
| 923 | { |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 924 | mlx5_sriov_cleanup(dev); |
| 925 | #ifdef CONFIG_MLX5_CORE_EN |
| 926 | mlx5_eswitch_cleanup(dev->priv.eswitch); |
| 927 | #endif |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 928 | mlx5_cleanup_rl_table(dev); |
| 929 | mlx5_cleanup_mkey_table(dev); |
| 930 | mlx5_cleanup_srq_table(dev); |
| 931 | mlx5_cleanup_qp_table(dev); |
| 932 | mlx5_cleanup_cq_table(dev); |
| 933 | mlx5_eq_cleanup(dev); |
| 934 | } |
| 935 | |
| 936 | static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, |
| 937 | bool boot) |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 938 | { |
| 939 | struct pci_dev *pdev = dev->pdev; |
| 940 | int err; |
| 941 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 942 | mutex_lock(&dev->intf_state_mutex); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 943 | if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 944 | dev_warn(&dev->pdev->dev, "%s: interface is up, NOP\n", |
| 945 | __func__); |
| 946 | goto out; |
| 947 | } |
| 948 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 949 | dev_info(&pdev->dev, "firmware version: %d.%d.%d\n", fw_rev_maj(dev), |
| 950 | fw_rev_min(dev), fw_rev_sub(dev)); |
| 951 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 952 | /* on load removing any previous indication of internal error, device is |
| 953 | * up |
| 954 | */ |
| 955 | dev->state = MLX5_DEVICE_STATE_UP; |
| 956 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 957 | err = mlx5_cmd_init(dev); |
| 958 | if (err) { |
| 959 | dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 960 | goto out_err; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 961 | } |
| 962 | |
Eli Cohen | e329724 | 2015-10-14 17:43:47 +0300 | [diff] [blame] | 963 | err = wait_fw_init(dev, FW_INIT_TIMEOUT_MILI); |
| 964 | if (err) { |
| 965 | dev_err(&dev->pdev->dev, "Firmware over %d MS in initializing state, aborting\n", |
| 966 | FW_INIT_TIMEOUT_MILI); |
| 967 | goto out_err; |
| 968 | } |
| 969 | |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 970 | err = mlx5_core_enable_hca(dev, 0); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 971 | if (err) { |
| 972 | dev_err(&pdev->dev, "enable hca failed\n"); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 973 | goto err_cmd_cleanup; |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 974 | } |
| 975 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 976 | err = mlx5_core_set_issi(dev); |
| 977 | if (err) { |
| 978 | dev_err(&pdev->dev, "failed to set issi\n"); |
| 979 | goto err_disable_hca; |
| 980 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 981 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 982 | err = mlx5_satisfy_startup_pages(dev, 1); |
| 983 | if (err) { |
| 984 | dev_err(&pdev->dev, "failed to allocate boot pages\n"); |
| 985 | goto err_disable_hca; |
| 986 | } |
| 987 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 988 | err = set_hca_ctrl(dev); |
| 989 | if (err) { |
| 990 | dev_err(&pdev->dev, "set_hca_ctrl failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 991 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 992 | } |
| 993 | |
| 994 | err = handle_hca_cap(dev); |
| 995 | if (err) { |
| 996 | dev_err(&pdev->dev, "handle_hca_cap failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 997 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 998 | } |
| 999 | |
Eran Ben Elisha | f91e6d8 | 2015-12-14 16:34:09 +0200 | [diff] [blame] | 1000 | err = handle_hca_cap_atomic(dev); |
| 1001 | if (err) { |
| 1002 | dev_err(&pdev->dev, "handle_hca_cap_atomic failed\n"); |
| 1003 | goto reclaim_boot_pages; |
| 1004 | } |
| 1005 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1006 | err = mlx5_satisfy_startup_pages(dev, 0); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1007 | if (err) { |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1008 | dev_err(&pdev->dev, "failed to allocate init pages\n"); |
| 1009 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1010 | } |
| 1011 | |
| 1012 | err = mlx5_pagealloc_start(dev); |
| 1013 | if (err) { |
| 1014 | dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1015 | goto reclaim_boot_pages; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1016 | } |
| 1017 | |
| 1018 | err = mlx5_cmd_init_hca(dev); |
| 1019 | if (err) { |
| 1020 | dev_err(&pdev->dev, "init hca failed\n"); |
| 1021 | goto err_pagealloc_stop; |
| 1022 | } |
| 1023 | |
| 1024 | mlx5_start_health_poll(dev); |
| 1025 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1026 | if (boot && mlx5_init_once(dev, priv)) { |
| 1027 | dev_err(&pdev->dev, "sw objs init failed\n"); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1028 | goto err_stop_poll; |
| 1029 | } |
| 1030 | |
| 1031 | err = mlx5_enable_msix(dev); |
| 1032 | if (err) { |
| 1033 | dev_err(&pdev->dev, "enable msix failed\n"); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1034 | goto err_cleanup_once; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1035 | } |
| 1036 | |
| 1037 | err = mlx5_alloc_uuars(dev, &priv->uuari); |
| 1038 | if (err) { |
| 1039 | dev_err(&pdev->dev, "Failed allocating uar, aborting\n"); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1040 | goto err_disable_msix; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | err = mlx5_start_eqs(dev); |
| 1044 | if (err) { |
| 1045 | dev_err(&pdev->dev, "Failed to start pages and async EQs\n"); |
| 1046 | goto err_free_uar; |
| 1047 | } |
| 1048 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 1049 | err = alloc_comp_eqs(dev); |
| 1050 | if (err) { |
| 1051 | dev_err(&pdev->dev, "Failed to alloc completion EQs\n"); |
| 1052 | goto err_stop_eqs; |
| 1053 | } |
| 1054 | |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 1055 | err = mlx5_irq_set_affinity_hints(dev); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1056 | if (err) { |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 1057 | dev_err(&pdev->dev, "Failed to alloc affinity hint cpumask\n"); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1058 | goto err_affinity_hints; |
| 1059 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1060 | |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 1061 | err = mlx5_init_fs(dev); |
| 1062 | if (err) { |
| 1063 | dev_err(&pdev->dev, "Failed to init flow steering\n"); |
| 1064 | goto err_fs; |
| 1065 | } |
Yevgeny Petrilin | 1466cc5 | 2016-06-23 17:02:37 +0300 | [diff] [blame] | 1066 | |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1067 | #ifdef CONFIG_MLX5_CORE_EN |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1068 | mlx5_eswitch_attach(dev->priv.eswitch); |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1069 | #endif |
| 1070 | |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1071 | err = mlx5_sriov_attach(dev); |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 1072 | if (err) { |
| 1073 | dev_err(&pdev->dev, "sriov init failed %d\n", err); |
| 1074 | goto err_sriov; |
| 1075 | } |
| 1076 | |
Mohamad Haj Yahia | 737a234 | 2016-09-09 17:35:19 +0300 | [diff] [blame] | 1077 | if (mlx5_device_registered(dev)) { |
| 1078 | mlx5_attach_device(dev); |
| 1079 | } else { |
| 1080 | err = mlx5_register_device(dev); |
| 1081 | if (err) { |
| 1082 | dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); |
| 1083 | goto err_reg_dev; |
| 1084 | } |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1085 | } |
| 1086 | |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1087 | clear_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); |
| 1088 | set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1089 | out: |
| 1090 | mutex_unlock(&dev->intf_state_mutex); |
| 1091 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1092 | return 0; |
| 1093 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1094 | err_reg_dev: |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1095 | mlx5_sriov_detach(dev); |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 1096 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1097 | err_sriov: |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1098 | #ifdef CONFIG_MLX5_CORE_EN |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1099 | mlx5_eswitch_detach(dev->priv.eswitch); |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1100 | #endif |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 1101 | mlx5_cleanup_fs(dev); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1102 | |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 1103 | err_fs: |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1104 | mlx5_irq_clear_affinity_hints(dev); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1105 | |
| 1106 | err_affinity_hints: |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 1107 | free_comp_eqs(dev); |
| 1108 | |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 1109 | err_stop_eqs: |
| 1110 | mlx5_stop_eqs(dev); |
| 1111 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1112 | err_free_uar: |
| 1113 | mlx5_free_uuars(dev, &priv->uuari); |
| 1114 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1115 | err_disable_msix: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1116 | mlx5_disable_msix(dev); |
| 1117 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1118 | err_cleanup_once: |
| 1119 | if (boot) |
| 1120 | mlx5_cleanup_once(dev); |
| 1121 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1122 | err_stop_poll: |
| 1123 | mlx5_stop_health_poll(dev); |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 1124 | if (mlx5_cmd_teardown_hca(dev)) { |
| 1125 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1126 | goto out_err; |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 1127 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1128 | |
| 1129 | err_pagealloc_stop: |
| 1130 | mlx5_pagealloc_stop(dev); |
| 1131 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1132 | reclaim_boot_pages: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1133 | mlx5_reclaim_startup_pages(dev); |
| 1134 | |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1135 | err_disable_hca: |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 1136 | mlx5_core_disable_hca(dev, 0); |
Eli Cohen | cd23b14 | 2013-07-18 15:31:08 +0300 | [diff] [blame] | 1137 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1138 | err_cmd_cleanup: |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1139 | mlx5_cmd_cleanup(dev); |
| 1140 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1141 | out_err: |
| 1142 | dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; |
| 1143 | mutex_unlock(&dev->intf_state_mutex); |
| 1144 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1145 | return err; |
| 1146 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1147 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1148 | static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, |
| 1149 | bool cleanup) |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1150 | { |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1151 | int err = 0; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1152 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1153 | mutex_lock(&dev->intf_state_mutex); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1154 | if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) { |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1155 | dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n", |
| 1156 | __func__); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1157 | if (cleanup) |
| 1158 | mlx5_cleanup_once(dev); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1159 | goto out; |
| 1160 | } |
Mohamad Haj Yahia | 6b6adee | 2016-09-09 17:35:18 +0300 | [diff] [blame] | 1161 | |
Mohamad Haj Yahia | 737a234 | 2016-09-09 17:35:19 +0300 | [diff] [blame] | 1162 | if (mlx5_device_registered(dev)) |
| 1163 | mlx5_detach_device(dev); |
| 1164 | |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1165 | mlx5_sriov_detach(dev); |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1166 | #ifdef CONFIG_MLX5_CORE_EN |
Mohamad Haj Yahia | c2d6e31 | 2016-09-09 17:35:23 +0300 | [diff] [blame] | 1167 | mlx5_eswitch_detach(dev->priv.eswitch); |
Saeed Mahameed | 073bb18 | 2015-12-01 18:03:18 +0200 | [diff] [blame] | 1168 | #endif |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 1169 | mlx5_cleanup_fs(dev); |
Saeed Mahameed | db058a1 | 2015-05-28 22:28:39 +0300 | [diff] [blame] | 1170 | mlx5_irq_clear_affinity_hints(dev); |
Saeed Mahameed | 233d05d | 2015-04-02 17:07:32 +0300 | [diff] [blame] | 1171 | free_comp_eqs(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1172 | mlx5_stop_eqs(dev); |
| 1173 | mlx5_free_uuars(dev, &priv->uuari); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1174 | mlx5_disable_msix(dev); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1175 | if (cleanup) |
| 1176 | mlx5_cleanup_once(dev); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1177 | mlx5_stop_health_poll(dev); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1178 | err = mlx5_cmd_teardown_hca(dev); |
| 1179 | if (err) { |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 1180 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1181 | goto out; |
Eli Cohen | 1bde6e3 | 2014-01-14 17:45:22 +0200 | [diff] [blame] | 1182 | } |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1183 | mlx5_pagealloc_stop(dev); |
| 1184 | mlx5_reclaim_startup_pages(dev); |
Eli Cohen | 0b10710 | 2015-12-01 18:03:08 +0200 | [diff] [blame] | 1185 | mlx5_core_disable_hca(dev, 0); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1186 | mlx5_cmd_cleanup(dev); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1187 | |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1188 | out: |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1189 | clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); |
| 1190 | set_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1191 | mutex_unlock(&dev->intf_state_mutex); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1192 | return err; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1193 | } |
Saeed Mahameed | 64613d94 | 2015-04-02 17:07:34 +0300 | [diff] [blame] | 1194 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1195 | struct mlx5_core_event_handler { |
| 1196 | void (*event)(struct mlx5_core_dev *dev, |
| 1197 | enum mlx5_dev_event event, |
| 1198 | void *data); |
| 1199 | }; |
| 1200 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1201 | static const struct devlink_ops mlx5_devlink_ops = { |
| 1202 | #ifdef CONFIG_MLX5_CORE_EN |
| 1203 | .eswitch_mode_set = mlx5_devlink_eswitch_mode_set, |
| 1204 | .eswitch_mode_get = mlx5_devlink_eswitch_mode_get, |
| 1205 | #endif |
| 1206 | }; |
Eli Cohen | f66f049 | 2014-12-02 12:26:11 +0200 | [diff] [blame] | 1207 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1208 | #define MLX5_IB_MOD "mlx5_ib" |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1209 | static int init_one(struct pci_dev *pdev, |
| 1210 | const struct pci_device_id *id) |
| 1211 | { |
| 1212 | struct mlx5_core_dev *dev; |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1213 | struct devlink *devlink; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1214 | struct mlx5_priv *priv; |
| 1215 | int err; |
| 1216 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1217 | devlink = devlink_alloc(&mlx5_devlink_ops, sizeof(*dev)); |
| 1218 | if (!devlink) { |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1219 | dev_err(&pdev->dev, "kzalloc failed\n"); |
| 1220 | return -ENOMEM; |
| 1221 | } |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1222 | |
| 1223 | dev = devlink_priv(devlink); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1224 | priv = &dev->priv; |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 1225 | priv->pci_dev_data = id->driver_data; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1226 | |
| 1227 | pci_set_drvdata(pdev, dev); |
| 1228 | |
| 1229 | if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) { |
Saeed Mahameed | 2974ab6 | 2016-07-28 16:43:17 +0300 | [diff] [blame] | 1230 | mlx5_core_warn(dev, |
| 1231 | "selected profile out of range, selecting default (%d)\n", |
| 1232 | MLX5_DEFAULT_PROF); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1233 | prof_sel = MLX5_DEFAULT_PROF; |
| 1234 | } |
| 1235 | dev->profile = &profile[prof_sel]; |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1236 | dev->pdev = pdev; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1237 | dev->event = mlx5_core_event; |
| 1238 | |
Eli Cohen | 364d179 | 2014-11-06 12:51:22 +0200 | [diff] [blame] | 1239 | INIT_LIST_HEAD(&priv->ctx_list); |
| 1240 | spin_lock_init(&priv->ctx_lock); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1241 | mutex_init(&dev->pci_status_mutex); |
| 1242 | mutex_init(&dev->intf_state_mutex); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1243 | err = mlx5_pci_init(dev, priv); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1244 | if (err) { |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1245 | dev_err(&pdev->dev, "mlx5_pci_init failed with error code %d\n", err); |
| 1246 | goto clean_dev; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1247 | } |
| 1248 | |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1249 | err = mlx5_health_init(dev); |
| 1250 | if (err) { |
| 1251 | dev_err(&pdev->dev, "mlx5_health_init failed with error code %d\n", err); |
| 1252 | goto close_pci; |
| 1253 | } |
| 1254 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1255 | mlx5_pagealloc_init(dev); |
| 1256 | |
| 1257 | err = mlx5_load_one(dev, priv, true); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1258 | if (err) { |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1259 | dev_err(&pdev->dev, "mlx5_load_one failed with error code %d\n", err); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1260 | goto clean_health; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1261 | } |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1262 | |
Mohamad Haj Yahia | 737a234 | 2016-09-09 17:35:19 +0300 | [diff] [blame] | 1263 | err = request_module_nowait(MLX5_IB_MOD); |
| 1264 | if (err) |
| 1265 | pr_info("failed request module on %s\n", MLX5_IB_MOD); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1266 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1267 | err = devlink_register(devlink, &pdev->dev); |
| 1268 | if (err) |
| 1269 | goto clean_load; |
| 1270 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1271 | return 0; |
| 1272 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1273 | clean_load: |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1274 | mlx5_unload_one(dev, priv, true); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1275 | clean_health: |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1276 | mlx5_pagealloc_cleanup(dev); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1277 | mlx5_health_cleanup(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1278 | close_pci: |
| 1279 | mlx5_pci_close(dev, priv); |
| 1280 | clean_dev: |
| 1281 | pci_set_drvdata(pdev, NULL); |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1282 | devlink_free(devlink); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1283 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1284 | return err; |
| 1285 | } |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1286 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1287 | static void remove_one(struct pci_dev *pdev) |
| 1288 | { |
| 1289 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1290 | struct devlink *devlink = priv_to_devlink(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1291 | struct mlx5_priv *priv = &dev->priv; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1292 | |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1293 | devlink_unregister(devlink); |
Mohamad Haj Yahia | 737a234 | 2016-09-09 17:35:19 +0300 | [diff] [blame] | 1294 | mlx5_unregister_device(dev); |
| 1295 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1296 | if (mlx5_unload_one(dev, priv, true)) { |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1297 | dev_err(&dev->pdev->dev, "mlx5_unload_one failed\n"); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1298 | mlx5_health_cleanup(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1299 | return; |
| 1300 | } |
Mohamad Haj Yahia | 737a234 | 2016-09-09 17:35:19 +0300 | [diff] [blame] | 1301 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1302 | mlx5_pagealloc_cleanup(dev); |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1303 | mlx5_health_cleanup(dev); |
Majd Dibbiny | a31208b | 2015-09-25 10:49:14 +0300 | [diff] [blame] | 1304 | mlx5_pci_close(dev, priv); |
| 1305 | pci_set_drvdata(pdev, NULL); |
Or Gerlitz | feae908 | 2016-07-01 14:51:02 +0300 | [diff] [blame] | 1306 | devlink_free(devlink); |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1307 | } |
| 1308 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1309 | static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, |
| 1310 | pci_channel_state_t state) |
| 1311 | { |
| 1312 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1313 | struct mlx5_priv *priv = &dev->priv; |
| 1314 | |
| 1315 | dev_info(&pdev->dev, "%s was called\n", __func__); |
| 1316 | mlx5_enter_error_state(dev); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1317 | mlx5_unload_one(dev, priv, false); |
Mohamad Haj Yahia | 1061c90 | 2016-08-18 21:09:04 +0300 | [diff] [blame] | 1318 | pci_save_state(pdev); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1319 | mlx5_pci_disable_device(dev); |
| 1320 | return state == pci_channel_io_perm_failure ? |
| 1321 | PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; |
| 1322 | } |
| 1323 | |
Daniel Jurgens | d57847d | 2016-06-30 17:34:41 +0300 | [diff] [blame] | 1324 | /* wait for the device to show vital signs by waiting |
| 1325 | * for the health counter to start counting. |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1326 | */ |
Daniel Jurgens | d57847d | 2016-06-30 17:34:41 +0300 | [diff] [blame] | 1327 | static int wait_vital(struct pci_dev *pdev) |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1328 | { |
| 1329 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1330 | struct mlx5_core_health *health = &dev->priv.health; |
| 1331 | const int niter = 100; |
Daniel Jurgens | d57847d | 2016-06-30 17:34:41 +0300 | [diff] [blame] | 1332 | u32 last_count = 0; |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1333 | u32 count; |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1334 | int i; |
| 1335 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1336 | for (i = 0; i < niter; i++) { |
| 1337 | count = ioread32be(health->health_counter); |
| 1338 | if (count && count != 0xffffffff) { |
Daniel Jurgens | d57847d | 2016-06-30 17:34:41 +0300 | [diff] [blame] | 1339 | if (last_count && last_count != count) { |
| 1340 | dev_info(&pdev->dev, "Counter value 0x%x after %d iterations\n", count, i); |
| 1341 | return 0; |
| 1342 | } |
| 1343 | last_count = count; |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1344 | } |
| 1345 | msleep(50); |
| 1346 | } |
| 1347 | |
Daniel Jurgens | d57847d | 2016-06-30 17:34:41 +0300 | [diff] [blame] | 1348 | return -ETIMEDOUT; |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1349 | } |
| 1350 | |
Mohamad Haj Yahia | 1061c90 | 2016-08-18 21:09:04 +0300 | [diff] [blame] | 1351 | static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) |
| 1352 | { |
| 1353 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1354 | int err; |
| 1355 | |
| 1356 | dev_info(&pdev->dev, "%s was called\n", __func__); |
| 1357 | |
| 1358 | err = mlx5_pci_enable_device(dev); |
| 1359 | if (err) { |
| 1360 | dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n" |
| 1361 | , __func__, err); |
| 1362 | return PCI_ERS_RESULT_DISCONNECT; |
| 1363 | } |
| 1364 | |
| 1365 | pci_set_master(pdev); |
| 1366 | pci_restore_state(pdev); |
| 1367 | |
| 1368 | if (wait_vital(pdev)) { |
| 1369 | dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); |
| 1370 | return PCI_ERS_RESULT_DISCONNECT; |
| 1371 | } |
| 1372 | |
| 1373 | return PCI_ERS_RESULT_RECOVERED; |
| 1374 | } |
| 1375 | |
| 1376 | void mlx5_disable_device(struct mlx5_core_dev *dev) |
| 1377 | { |
| 1378 | mlx5_pci_err_detected(dev->pdev, 0); |
| 1379 | } |
| 1380 | |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1381 | static void mlx5_pci_resume(struct pci_dev *pdev) |
| 1382 | { |
| 1383 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1384 | struct mlx5_priv *priv = &dev->priv; |
| 1385 | int err; |
| 1386 | |
| 1387 | dev_info(&pdev->dev, "%s was called\n", __func__); |
| 1388 | |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1389 | err = mlx5_load_one(dev, priv, false); |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1390 | if (err) |
| 1391 | dev_err(&pdev->dev, "%s: mlx5_load_one failed with error code: %d\n" |
| 1392 | , __func__, err); |
| 1393 | else |
| 1394 | dev_info(&pdev->dev, "%s: device recovered\n", __func__); |
| 1395 | } |
| 1396 | |
| 1397 | static const struct pci_error_handlers mlx5_err_handler = { |
| 1398 | .error_detected = mlx5_pci_err_detected, |
| 1399 | .slot_reset = mlx5_pci_slot_reset, |
| 1400 | .resume = mlx5_pci_resume |
| 1401 | }; |
| 1402 | |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1403 | static void shutdown(struct pci_dev *pdev) |
| 1404 | { |
| 1405 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); |
| 1406 | struct mlx5_priv *priv = &dev->priv; |
| 1407 | |
| 1408 | dev_info(&pdev->dev, "Shutdown was called\n"); |
| 1409 | /* Notify mlx5 clients that the kernel is being shut down */ |
| 1410 | set_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &dev->intf_state); |
Mohamad Haj Yahia | 59211bd | 2016-09-09 17:35:20 +0300 | [diff] [blame] | 1411 | mlx5_unload_one(dev, priv, false); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1412 | mlx5_pci_disable_device(dev); |
| 1413 | } |
| 1414 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1415 | static const struct pci_device_id mlx5_core_pci_table[] = { |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 1416 | { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ |
| 1417 | { PCI_VDEVICE(MELLANOX, 0x1012), MLX5_PCI_DEV_IS_VF}, /* Connect-IB VF */ |
| 1418 | { PCI_VDEVICE(MELLANOX, 0x1013) }, /* ConnectX-4 */ |
| 1419 | { PCI_VDEVICE(MELLANOX, 0x1014), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4 VF */ |
| 1420 | { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ |
| 1421 | { PCI_VDEVICE(MELLANOX, 0x1016), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4LX VF */ |
Majd Dibbiny | 7092fe8 | 2016-06-27 12:08:33 +0300 | [diff] [blame] | 1422 | { PCI_VDEVICE(MELLANOX, 0x1017) }, /* ConnectX-5, PCIe 3.0 */ |
Majd Dibbiny | 64dbbdf | 2016-04-22 00:33:02 +0300 | [diff] [blame] | 1423 | { PCI_VDEVICE(MELLANOX, 0x1018), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 VF */ |
Majd Dibbiny | 7092fe8 | 2016-06-27 12:08:33 +0300 | [diff] [blame] | 1424 | { PCI_VDEVICE(MELLANOX, 0x1019) }, /* ConnectX-5, PCIe 4.0 */ |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1425 | { 0, } |
| 1426 | }; |
| 1427 | |
| 1428 | MODULE_DEVICE_TABLE(pci, mlx5_core_pci_table); |
| 1429 | |
| 1430 | static struct pci_driver mlx5_core_driver = { |
| 1431 | .name = DRIVER_NAME, |
| 1432 | .id_table = mlx5_core_pci_table, |
| 1433 | .probe = init_one, |
Majd Dibbiny | 89d44f0 | 2015-10-14 17:43:46 +0300 | [diff] [blame] | 1434 | .remove = remove_one, |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 1435 | .shutdown = shutdown, |
Eli Cohen | fc50db9 | 2015-12-01 18:03:09 +0200 | [diff] [blame] | 1436 | .err_handler = &mlx5_err_handler, |
| 1437 | .sriov_configure = mlx5_core_sriov_configure, |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1438 | }; |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1439 | |
| 1440 | static int __init init(void) |
| 1441 | { |
| 1442 | int err; |
| 1443 | |
| 1444 | mlx5_register_debugfs(); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1445 | |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1446 | err = pci_register_driver(&mlx5_core_driver); |
| 1447 | if (err) |
Eli Cohen | ac6ea6e | 2015-10-08 17:14:00 +0300 | [diff] [blame] | 1448 | goto err_debug; |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1449 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1450 | #ifdef CONFIG_MLX5_CORE_EN |
| 1451 | mlx5e_init(); |
| 1452 | #endif |
| 1453 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1454 | return 0; |
| 1455 | |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1456 | err_debug: |
| 1457 | mlx5_unregister_debugfs(); |
| 1458 | return err; |
| 1459 | } |
| 1460 | |
| 1461 | static void __exit cleanup(void) |
| 1462 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1463 | #ifdef CONFIG_MLX5_CORE_EN |
| 1464 | mlx5e_cleanup(); |
| 1465 | #endif |
Jack Morgenstein | 9603b61 | 2014-07-28 23:30:22 +0300 | [diff] [blame] | 1466 | pci_unregister_driver(&mlx5_core_driver); |
Eli Cohen | e126ba9 | 2013-07-07 17:25:49 +0300 | [diff] [blame] | 1467 | mlx5_unregister_debugfs(); |
| 1468 | } |
| 1469 | |
| 1470 | module_init(init); |
| 1471 | module_exit(cleanup); |