mlx5_main.c revision 306233
1290650Shselasky/*- 2290650Shselasky * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. 3290650Shselasky * 4290650Shselasky * Redistribution and use in source and binary forms, with or without 5290650Shselasky * modification, are permitted provided that the following conditions 6290650Shselasky * are met: 7290650Shselasky * 1. Redistributions of source code must retain the above copyright 8290650Shselasky * notice, this list of conditions and the following disclaimer. 9290650Shselasky * 2. Redistributions in binary form must reproduce the above copyright 10290650Shselasky * notice, this list of conditions and the following disclaimer in the 11290650Shselasky * documentation and/or other materials provided with the distribution. 12290650Shselasky * 13290650Shselasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14290650Shselasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15290650Shselasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16290650Shselasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17290650Shselasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18290650Shselasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19290650Shselasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20290650Shselasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21290650Shselasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22290650Shselasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23290650Shselasky * SUCH DAMAGE. 24290650Shselasky * 25290650Shselasky * $FreeBSD: stable/11/sys/dev/mlx5/mlx5_core/mlx5_main.c 306233 2016-09-23 08:17:51Z hselasky $ 26290650Shselasky */ 27290650Shselasky 28300676Shselasky#define LINUXKPI_PARAM_PREFIX mlx5_ 29300676Shselasky 30290650Shselasky#include <linux/kmod.h> 31290650Shselasky#include <linux/module.h> 32290650Shselasky#include <linux/errno.h> 33290650Shselasky#include <linux/pci.h> 34290650Shselasky#include <linux/dma-mapping.h> 35290650Shselasky#include <linux/slab.h> 36290650Shselasky#include <linux/io-mapping.h> 37290650Shselasky#include <linux/interrupt.h> 38290650Shselasky#include <dev/mlx5/driver.h> 39290650Shselasky#include <dev/mlx5/cq.h> 40290650Shselasky#include <dev/mlx5/qp.h> 41290650Shselasky#include <dev/mlx5/srq.h> 42290650Shselasky#include <linux/delay.h> 43290650Shselasky#include <dev/mlx5/mlx5_ifc.h> 44290650Shselasky#include "mlx5_core.h" 45290650Shselasky 46290650ShselaskyMODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); 47290650ShselaskyMODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); 48290650ShselaskyMODULE_LICENSE("Dual BSD/GPL"); 49290650Shselasky#if (__FreeBSD_version >= 1100000) 50290650ShselaskyMODULE_DEPEND(mlx5, linuxkpi, 1, 1, 1); 51290650Shselasky#endif 52290650ShselaskyMODULE_VERSION(mlx5, 1); 53290650Shselasky 54290650Shselaskyint mlx5_core_debug_mask; 55290650Shselaskymodule_param_named(debug_mask, mlx5_core_debug_mask, int, 0644); 56290650ShselaskyMODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); 57290650Shselasky 58290650Shselasky#define MLX5_DEFAULT_PROF 2 59290650Shselaskystatic int prof_sel = MLX5_DEFAULT_PROF; 60290650Shselaskymodule_param_named(prof_sel, prof_sel, int, 0444); 61290650ShselaskyMODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); 62290650Shselasky 63290650Shselasky#define NUMA_NO_NODE -1 64290650Shselasky 65290650Shselaskystruct workqueue_struct *mlx5_core_wq; 66290650Shselaskystatic LIST_HEAD(intf_list); 67290650Shselaskystatic LIST_HEAD(dev_list); 68290650Shselaskystatic DEFINE_MUTEX(intf_mutex); 69290650Shselasky 70290650Shselaskystruct mlx5_device_context { 71290650Shselasky struct list_head list; 72290650Shselasky struct mlx5_interface *intf; 73290650Shselasky void *context; 74290650Shselasky}; 75290650Shselasky 76290650Shselaskystatic struct mlx5_profile profiles[] = { 77290650Shselasky [0] = { 78290650Shselasky .mask = 0, 79290650Shselasky }, 80290650Shselasky [1] = { 81290650Shselasky .mask = MLX5_PROF_MASK_QP_SIZE, 82290650Shselasky .log_max_qp = 12, 83290650Shselasky }, 84290650Shselasky [2] = { 85290650Shselasky .mask = MLX5_PROF_MASK_QP_SIZE | 86290650Shselasky MLX5_PROF_MASK_MR_CACHE, 87290650Shselasky .log_max_qp = 17, 88290650Shselasky .mr_cache[0] = { 89290650Shselasky .size = 500, 90290650Shselasky .limit = 250 91290650Shselasky }, 92290650Shselasky .mr_cache[1] = { 93290650Shselasky .size = 500, 94290650Shselasky .limit = 250 95290650Shselasky }, 96290650Shselasky .mr_cache[2] = { 97290650Shselasky .size = 500, 98290650Shselasky .limit = 250 99290650Shselasky }, 100290650Shselasky .mr_cache[3] = { 101290650Shselasky .size = 500, 102290650Shselasky .limit = 250 103290650Shselasky }, 104290650Shselasky .mr_cache[4] = { 105290650Shselasky .size = 500, 106290650Shselasky .limit = 250 107290650Shselasky }, 108290650Shselasky .mr_cache[5] = { 109290650Shselasky .size = 500, 110290650Shselasky .limit = 250 111290650Shselasky }, 112290650Shselasky .mr_cache[6] = { 113290650Shselasky .size = 500, 114290650Shselasky .limit = 250 115290650Shselasky }, 116290650Shselasky .mr_cache[7] = { 117290650Shselasky .size = 500, 118290650Shselasky .limit = 250 119290650Shselasky }, 120290650Shselasky .mr_cache[8] = { 121290650Shselasky .size = 500, 122290650Shselasky .limit = 250 123290650Shselasky }, 124290650Shselasky .mr_cache[9] = { 125290650Shselasky .size = 500, 126290650Shselasky .limit = 250 127290650Shselasky }, 128290650Shselasky .mr_cache[10] = { 129290650Shselasky .size = 500, 130290650Shselasky .limit = 250 131290650Shselasky }, 132290650Shselasky .mr_cache[11] = { 133290650Shselasky .size = 500, 134290650Shselasky .limit = 250 135290650Shselasky }, 136290650Shselasky .mr_cache[12] = { 137290650Shselasky .size = 64, 138290650Shselasky .limit = 32 139290650Shselasky }, 140290650Shselasky .mr_cache[13] = { 141290650Shselasky .size = 32, 142290650Shselasky .limit = 16 143290650Shselasky }, 144290650Shselasky .mr_cache[14] = { 145290650Shselasky .size = 16, 146290650Shselasky .limit = 8 147290650Shselasky }, 148290650Shselasky }, 149290650Shselasky [3] = { 150290650Shselasky .mask = MLX5_PROF_MASK_QP_SIZE, 151290650Shselasky .log_max_qp = 17, 152290650Shselasky }, 153290650Shselasky}; 154290650Shselasky 155290650Shselaskystatic int set_dma_caps(struct pci_dev *pdev) 156290650Shselasky{ 157290650Shselasky int err; 158290650Shselasky 159290650Shselasky err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); 160290650Shselasky if (err) { 161290650Shselasky device_printf((&pdev->dev)->bsddev, "WARN: ""Warning: couldn't set 64-bit PCI DMA mask\n"); 162290650Shselasky err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); 163290650Shselasky if (err) { 164290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Can't set PCI DMA mask, aborting\n"); 165290650Shselasky return err; 166290650Shselasky } 167290650Shselasky } 168290650Shselasky 169290650Shselasky err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); 170290650Shselasky if (err) { 171290650Shselasky device_printf((&pdev->dev)->bsddev, "WARN: ""Warning: couldn't set 64-bit consistent PCI DMA mask\n"); 172290650Shselasky err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 173290650Shselasky if (err) { 174290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Can't set consistent PCI DMA mask, aborting\n"); 175290650Shselasky return err; 176290650Shselasky } 177290650Shselasky } 178290650Shselasky 179290650Shselasky dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); 180290650Shselasky return err; 181290650Shselasky} 182290650Shselasky 183290650Shselaskystatic int request_bar(struct pci_dev *pdev) 184290650Shselasky{ 185290650Shselasky int err = 0; 186290650Shselasky 187290650Shselasky if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { 188290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Missing registers BAR, aborting\n"); 189290650Shselasky return -ENODEV; 190290650Shselasky } 191290650Shselasky 192290650Shselasky err = pci_request_regions(pdev, DRIVER_NAME); 193290650Shselasky if (err) 194290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Couldn't get PCI resources, aborting\n"); 195290650Shselasky 196290650Shselasky return err; 197290650Shselasky} 198290650Shselasky 199290650Shselaskystatic void release_bar(struct pci_dev *pdev) 200290650Shselasky{ 201290650Shselasky pci_release_regions(pdev); 202290650Shselasky} 203290650Shselasky 204290650Shselaskystatic int mlx5_enable_msix(struct mlx5_core_dev *dev) 205290650Shselasky{ 206290650Shselasky struct mlx5_priv *priv = &dev->priv; 207290650Shselasky struct mlx5_eq_table *table = &priv->eq_table; 208290650Shselasky int num_eqs = 1 << MLX5_CAP_GEN(dev, log_max_eq); 209290650Shselasky int nvec; 210290650Shselasky int i; 211290650Shselasky 212290650Shselasky nvec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + 213290650Shselasky MLX5_EQ_VEC_COMP_BASE; 214290650Shselasky nvec = min_t(int, nvec, num_eqs); 215290650Shselasky if (nvec <= MLX5_EQ_VEC_COMP_BASE) 216290650Shselasky return -ENOMEM; 217290650Shselasky 218290650Shselasky priv->msix_arr = kzalloc(nvec * sizeof(*priv->msix_arr), GFP_KERNEL); 219290650Shselasky 220290650Shselasky priv->irq_info = kzalloc(nvec * sizeof(*priv->irq_info), GFP_KERNEL); 221290650Shselasky 222290650Shselasky for (i = 0; i < nvec; i++) 223290650Shselasky priv->msix_arr[i].entry = i; 224290650Shselasky 225290650Shselasky nvec = pci_enable_msix_range(dev->pdev, priv->msix_arr, 226290650Shselasky MLX5_EQ_VEC_COMP_BASE + 1, nvec); 227290650Shselasky if (nvec < 0) 228290650Shselasky return nvec; 229290650Shselasky 230290650Shselasky table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; 231290650Shselasky 232290650Shselasky return 0; 233290650Shselasky 234290650Shselasky} 235290650Shselasky 236290650Shselaskystatic void mlx5_disable_msix(struct mlx5_core_dev *dev) 237290650Shselasky{ 238290650Shselasky struct mlx5_priv *priv = &dev->priv; 239290650Shselasky 240290650Shselasky pci_disable_msix(dev->pdev); 241290650Shselasky kfree(priv->irq_info); 242290650Shselasky kfree(priv->msix_arr); 243290650Shselasky} 244290650Shselasky 245290650Shselaskystruct mlx5_reg_host_endianess { 246290650Shselasky u8 he; 247290650Shselasky u8 rsvd[15]; 248290650Shselasky}; 249290650Shselasky 250290650Shselasky 251290650Shselasky#define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) 252290650Shselasky 253290650Shselaskyenum { 254290650Shselasky MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | 255306233Shselasky MLX5_DEV_CAP_FLAG_DCT | 256306233Shselasky MLX5_DEV_CAP_FLAG_DRAIN_SIGERR, 257290650Shselasky}; 258290650Shselasky 259290650Shselaskystatic u16 to_fw_pkey_sz(u32 size) 260290650Shselasky{ 261290650Shselasky switch (size) { 262290650Shselasky case 128: 263290650Shselasky return 0; 264290650Shselasky case 256: 265290650Shselasky return 1; 266290650Shselasky case 512: 267290650Shselasky return 2; 268290650Shselasky case 1024: 269290650Shselasky return 3; 270290650Shselasky case 2048: 271290650Shselasky return 4; 272290650Shselasky case 4096: 273290650Shselasky return 5; 274290650Shselasky default: 275290650Shselasky printf("mlx5_core: WARN: ""invalid pkey table size %d\n", size); 276290650Shselasky return 0; 277290650Shselasky } 278290650Shselasky} 279290650Shselasky 280290650Shselaskyint mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type, 281290650Shselasky enum mlx5_cap_mode cap_mode) 282290650Shselasky{ 283290650Shselasky u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; 284290650Shselasky int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); 285290650Shselasky void *out, *hca_caps; 286290650Shselasky u16 opmod = (cap_type << 1) | (cap_mode & 0x01); 287290650Shselasky int err; 288290650Shselasky 289290650Shselasky memset(in, 0, sizeof(in)); 290290650Shselasky out = kzalloc(out_sz, GFP_KERNEL); 291290650Shselasky 292290650Shselasky MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); 293290650Shselasky MLX5_SET(query_hca_cap_in, in, op_mod, opmod); 294290650Shselasky err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); 295290650Shselasky if (err) 296290650Shselasky goto query_ex; 297290650Shselasky 298290650Shselasky err = mlx5_cmd_status_to_err_v2(out); 299290650Shselasky if (err) { 300290650Shselasky mlx5_core_warn(dev, 301290650Shselasky "QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n", 302290650Shselasky cap_type, cap_mode, err); 303290650Shselasky goto query_ex; 304290650Shselasky } 305290650Shselasky 306290650Shselasky hca_caps = MLX5_ADDR_OF(query_hca_cap_out, out, capability); 307290650Shselasky 308290650Shselasky switch (cap_mode) { 309290650Shselasky case HCA_CAP_OPMOD_GET_MAX: 310290650Shselasky memcpy(dev->hca_caps_max[cap_type], hca_caps, 311290650Shselasky MLX5_UN_SZ_BYTES(hca_cap_union)); 312290650Shselasky break; 313290650Shselasky case HCA_CAP_OPMOD_GET_CUR: 314290650Shselasky memcpy(dev->hca_caps_cur[cap_type], hca_caps, 315290650Shselasky MLX5_UN_SZ_BYTES(hca_cap_union)); 316290650Shselasky break; 317290650Shselasky default: 318290650Shselasky mlx5_core_warn(dev, 319290650Shselasky "Tried to query dev cap type(%x) with wrong opmode(%x)\n", 320290650Shselasky cap_type, cap_mode); 321290650Shselasky err = -EINVAL; 322290650Shselasky break; 323290650Shselasky } 324290650Shselaskyquery_ex: 325290650Shselasky kfree(out); 326290650Shselasky return err; 327290650Shselasky} 328290650Shselasky 329290650Shselaskystatic int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz) 330290650Shselasky{ 331290650Shselasky u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)]; 332290650Shselasky int err; 333290650Shselasky 334290650Shselasky memset(out, 0, sizeof(out)); 335290650Shselasky 336290650Shselasky MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP); 337290650Shselasky err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out)); 338290650Shselasky if (err) 339290650Shselasky return err; 340290650Shselasky 341290650Shselasky err = mlx5_cmd_status_to_err_v2(out); 342290650Shselasky 343290650Shselasky return err; 344290650Shselasky} 345290650Shselasky 346290650Shselaskystatic int handle_hca_cap(struct mlx5_core_dev *dev) 347290650Shselasky{ 348290650Shselasky void *set_ctx = NULL; 349290650Shselasky struct mlx5_profile *prof = dev->profile; 350290650Shselasky int err = -ENOMEM; 351290650Shselasky int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); 352290650Shselasky void *set_hca_cap; 353290650Shselasky 354290650Shselasky set_ctx = kzalloc(set_sz, GFP_KERNEL); 355290650Shselasky 356290650Shselasky err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX); 357290650Shselasky if (err) 358290650Shselasky goto query_ex; 359290650Shselasky 360290650Shselasky err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR); 361290650Shselasky if (err) 362290650Shselasky goto query_ex; 363290650Shselasky 364290650Shselasky set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, 365290650Shselasky capability); 366290650Shselasky memcpy(set_hca_cap, dev->hca_caps_cur[MLX5_CAP_GENERAL], 367290650Shselasky MLX5_ST_SZ_BYTES(cmd_hca_cap)); 368290650Shselasky 369290650Shselasky mlx5_core_dbg(dev, "Current Pkey table size %d Setting new size %d\n", 370290650Shselasky mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size)), 371290650Shselasky 128); 372290650Shselasky /* we limit the size of the pkey table to 128 entries for now */ 373290650Shselasky MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, 374290650Shselasky to_fw_pkey_sz(128)); 375290650Shselasky 376290650Shselasky if (prof->mask & MLX5_PROF_MASK_QP_SIZE) 377290650Shselasky MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, 378290650Shselasky prof->log_max_qp); 379290650Shselasky 380290650Shselasky /* disable cmdif checksum */ 381290650Shselasky MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); 382290650Shselasky 383306233Shselasky /* enable drain sigerr */ 384306233Shselasky MLX5_SET(cmd_hca_cap, set_hca_cap, drain_sigerr, 1); 385306233Shselasky 386290650Shselasky MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); 387290650Shselasky 388290650Shselasky err = set_caps(dev, set_ctx, set_sz); 389290650Shselasky 390290650Shselaskyquery_ex: 391290650Shselasky kfree(set_ctx); 392290650Shselasky return err; 393290650Shselasky} 394290650Shselasky 395290650Shselaskystatic int set_hca_ctrl(struct mlx5_core_dev *dev) 396290650Shselasky{ 397290650Shselasky struct mlx5_reg_host_endianess he_in; 398290650Shselasky struct mlx5_reg_host_endianess he_out; 399290650Shselasky int err; 400290650Shselasky 401306233Shselasky if (MLX5_CAP_GEN(dev, port_type) == MLX5_CAP_PORT_TYPE_ETH && 402306233Shselasky !MLX5_CAP_GEN(dev, roce)) 403306233Shselasky return 0; 404306233Shselasky 405290650Shselasky memset(&he_in, 0, sizeof(he_in)); 406290650Shselasky he_in.he = MLX5_SET_HOST_ENDIANNESS; 407290650Shselasky err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), 408290650Shselasky &he_out, sizeof(he_out), 409290650Shselasky MLX5_REG_HOST_ENDIANNESS, 0, 1); 410290650Shselasky return err; 411290650Shselasky} 412290650Shselasky 413290650Shselaskystatic int mlx5_core_enable_hca(struct mlx5_core_dev *dev) 414290650Shselasky{ 415290650Shselasky u32 in[MLX5_ST_SZ_DW(enable_hca_in)]; 416290650Shselasky u32 out[MLX5_ST_SZ_DW(enable_hca_out)]; 417290650Shselasky 418290650Shselasky memset(in, 0, sizeof(in)); 419290650Shselasky MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA); 420290650Shselasky memset(out, 0, sizeof(out)); 421290650Shselasky return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 422290650Shselasky out, sizeof(out)); 423290650Shselasky} 424290650Shselasky 425290650Shselaskystatic int mlx5_core_disable_hca(struct mlx5_core_dev *dev) 426290650Shselasky{ 427290650Shselasky u32 in[MLX5_ST_SZ_DW(disable_hca_in)]; 428290650Shselasky u32 out[MLX5_ST_SZ_DW(disable_hca_out)]; 429290650Shselasky 430290650Shselasky memset(in, 0, sizeof(in)); 431290650Shselasky 432290650Shselasky MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA); 433290650Shselasky memset(out, 0, sizeof(out)); 434290650Shselasky return mlx5_cmd_exec_check_status(dev, in, sizeof(in), 435290650Shselasky out, sizeof(out)); 436290650Shselasky} 437290650Shselasky 438290650Shselaskystatic int mlx5_core_set_issi(struct mlx5_core_dev *dev) 439290650Shselasky{ 440290650Shselasky u32 query_in[MLX5_ST_SZ_DW(query_issi_in)]; 441290650Shselasky u32 query_out[MLX5_ST_SZ_DW(query_issi_out)]; 442290650Shselasky u32 set_in[MLX5_ST_SZ_DW(set_issi_in)]; 443290650Shselasky u32 set_out[MLX5_ST_SZ_DW(set_issi_out)]; 444290650Shselasky int err; 445290650Shselasky u32 sup_issi; 446290650Shselasky 447290650Shselasky memset(query_in, 0, sizeof(query_in)); 448290650Shselasky memset(query_out, 0, sizeof(query_out)); 449290650Shselasky 450290650Shselasky MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI); 451290650Shselasky 452290650Shselasky err = mlx5_cmd_exec_check_status(dev, query_in, sizeof(query_in), 453290650Shselasky query_out, sizeof(query_out)); 454290650Shselasky if (err) { 455290650Shselasky if (((struct mlx5_outbox_hdr *)query_out)->status == 456290650Shselasky MLX5_CMD_STAT_BAD_OP_ERR) { 457290650Shselasky pr_debug("Only ISSI 0 is supported\n"); 458290650Shselasky return 0; 459290650Shselasky } 460290650Shselasky 461290650Shselasky printf("mlx5_core: ERR: ""failed to query ISSI\n"); 462290650Shselasky return err; 463290650Shselasky } 464290650Shselasky 465290650Shselasky sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0); 466290650Shselasky 467290650Shselasky if (sup_issi & (1 << 1)) { 468290650Shselasky memset(set_in, 0, sizeof(set_in)); 469290650Shselasky memset(set_out, 0, sizeof(set_out)); 470290650Shselasky 471290650Shselasky MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI); 472290650Shselasky MLX5_SET(set_issi_in, set_in, current_issi, 1); 473290650Shselasky 474290650Shselasky err = mlx5_cmd_exec_check_status(dev, set_in, sizeof(set_in), 475290650Shselasky set_out, sizeof(set_out)); 476290650Shselasky if (err) { 477290650Shselasky printf("mlx5_core: ERR: ""failed to set ISSI=1\n"); 478290650Shselasky return err; 479290650Shselasky } 480290650Shselasky 481290650Shselasky dev->issi = 1; 482290650Shselasky 483290650Shselasky return 0; 484290650Shselasky } else if (sup_issi & (1 << 0)) { 485290650Shselasky return 0; 486290650Shselasky } 487290650Shselasky 488290650Shselasky return -ENOTSUPP; 489290650Shselasky} 490290650Shselasky 491290650Shselasky 492290650Shselaskyint mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn) 493290650Shselasky{ 494290650Shselasky struct mlx5_eq_table *table = &dev->priv.eq_table; 495290650Shselasky struct mlx5_eq *eq; 496290650Shselasky int err = -ENOENT; 497290650Shselasky 498290650Shselasky spin_lock(&table->lock); 499290650Shselasky list_for_each_entry(eq, &table->comp_eqs_list, list) { 500290650Shselasky if (eq->index == vector) { 501290650Shselasky *eqn = eq->eqn; 502290650Shselasky *irqn = eq->irqn; 503290650Shselasky err = 0; 504290650Shselasky break; 505290650Shselasky } 506290650Shselasky } 507290650Shselasky spin_unlock(&table->lock); 508290650Shselasky 509290650Shselasky return err; 510290650Shselasky} 511290650ShselaskyEXPORT_SYMBOL(mlx5_vector2eqn); 512290650Shselasky 513290650Shselaskyint mlx5_rename_eq(struct mlx5_core_dev *dev, int eq_ix, char *name) 514290650Shselasky{ 515290650Shselasky struct mlx5_priv *priv = &dev->priv; 516290650Shselasky struct mlx5_eq_table *table = &priv->eq_table; 517290650Shselasky struct mlx5_eq *eq; 518290650Shselasky int err = -ENOENT; 519290650Shselasky 520290650Shselasky spin_lock(&table->lock); 521290650Shselasky list_for_each_entry(eq, &table->comp_eqs_list, list) { 522290650Shselasky if (eq->index == eq_ix) { 523290650Shselasky int irq_ix = eq_ix + MLX5_EQ_VEC_COMP_BASE; 524290650Shselasky 525290650Shselasky snprintf(priv->irq_info[irq_ix].name, MLX5_MAX_IRQ_NAME, 526290650Shselasky "%s-%d", name, eq_ix); 527290650Shselasky 528290650Shselasky err = 0; 529290650Shselasky break; 530290650Shselasky } 531290650Shselasky } 532290650Shselasky spin_unlock(&table->lock); 533290650Shselasky 534290650Shselasky return err; 535290650Shselasky} 536290650Shselasky 537290650Shselaskystatic void free_comp_eqs(struct mlx5_core_dev *dev) 538290650Shselasky{ 539290650Shselasky struct mlx5_eq_table *table = &dev->priv.eq_table; 540290650Shselasky struct mlx5_eq *eq, *n; 541290650Shselasky 542290650Shselasky spin_lock(&table->lock); 543290650Shselasky list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { 544290650Shselasky list_del(&eq->list); 545290650Shselasky spin_unlock(&table->lock); 546290650Shselasky if (mlx5_destroy_unmap_eq(dev, eq)) 547290650Shselasky mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", 548290650Shselasky eq->eqn); 549290650Shselasky kfree(eq); 550290650Shselasky spin_lock(&table->lock); 551290650Shselasky } 552290650Shselasky spin_unlock(&table->lock); 553290650Shselasky} 554290650Shselasky 555290650Shselaskystatic int alloc_comp_eqs(struct mlx5_core_dev *dev) 556290650Shselasky{ 557290650Shselasky struct mlx5_eq_table *table = &dev->priv.eq_table; 558290650Shselasky char name[MLX5_MAX_IRQ_NAME]; 559290650Shselasky struct mlx5_eq *eq; 560290650Shselasky int ncomp_vec; 561290650Shselasky int nent; 562290650Shselasky int err; 563290650Shselasky int i; 564290650Shselasky 565290650Shselasky INIT_LIST_HEAD(&table->comp_eqs_list); 566290650Shselasky ncomp_vec = table->num_comp_vectors; 567290650Shselasky nent = MLX5_COMP_EQ_SIZE; 568290650Shselasky for (i = 0; i < ncomp_vec; i++) { 569290650Shselasky eq = kzalloc(sizeof(*eq), GFP_KERNEL); 570290650Shselasky 571290650Shselasky snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i); 572290650Shselasky err = mlx5_create_map_eq(dev, eq, 573290650Shselasky i + MLX5_EQ_VEC_COMP_BASE, nent, 0, 574290650Shselasky name, &dev->priv.uuari.uars[0]); 575290650Shselasky if (err) { 576290650Shselasky kfree(eq); 577290650Shselasky goto clean; 578290650Shselasky } 579290650Shselasky mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); 580290650Shselasky eq->index = i; 581290650Shselasky spin_lock(&table->lock); 582290650Shselasky list_add_tail(&eq->list, &table->comp_eqs_list); 583290650Shselasky spin_unlock(&table->lock); 584290650Shselasky } 585290650Shselasky 586290650Shselasky return 0; 587290650Shselasky 588290650Shselaskyclean: 589290650Shselasky free_comp_eqs(dev); 590290650Shselasky return err; 591290650Shselasky} 592290650Shselasky 593290650Shselaskystatic int map_bf_area(struct mlx5_core_dev *dev) 594290650Shselasky{ 595290650Shselasky resource_size_t bf_start = pci_resource_start(dev->pdev, 0); 596290650Shselasky resource_size_t bf_len = pci_resource_len(dev->pdev, 0); 597290650Shselasky 598290650Shselasky dev->priv.bf_mapping = io_mapping_create_wc(bf_start, bf_len); 599290650Shselasky 600290650Shselasky return dev->priv.bf_mapping ? 0 : -ENOMEM; 601290650Shselasky} 602290650Shselasky 603290650Shselaskystatic void unmap_bf_area(struct mlx5_core_dev *dev) 604290650Shselasky{ 605290650Shselasky if (dev->priv.bf_mapping) 606290650Shselasky io_mapping_free(dev->priv.bf_mapping); 607290650Shselasky} 608290650Shselasky 609290650Shselaskystatic inline int fw_initializing(struct mlx5_core_dev *dev) 610290650Shselasky{ 611290650Shselasky return ioread32be(&dev->iseg->initializing) >> 31; 612290650Shselasky} 613290650Shselasky 614290650Shselaskystatic int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili) 615290650Shselasky{ 616290650Shselasky u64 end = jiffies + msecs_to_jiffies(max_wait_mili); 617290650Shselasky int err = 0; 618290650Shselasky 619290650Shselasky while (fw_initializing(dev)) { 620290650Shselasky if (time_after(jiffies, end)) { 621290650Shselasky err = -EBUSY; 622290650Shselasky break; 623290650Shselasky } 624290650Shselasky msleep(FW_INIT_WAIT_MS); 625290650Shselasky } 626290650Shselasky 627290650Shselasky return err; 628290650Shselasky} 629290650Shselasky 630290650Shselaskystatic int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) 631290650Shselasky{ 632290650Shselasky struct mlx5_priv *priv = &dev->priv; 633290650Shselasky int err; 634290650Shselasky 635290650Shselasky dev->pdev = pdev; 636290650Shselasky pci_set_drvdata(dev->pdev, dev); 637290650Shselasky strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); 638290650Shselasky priv->name[MLX5_MAX_NAME_LEN - 1] = 0; 639290650Shselasky 640290650Shselasky mutex_init(&priv->pgdir_mutex); 641290650Shselasky INIT_LIST_HEAD(&priv->pgdir_list); 642290650Shselasky spin_lock_init(&priv->mkey_lock); 643290650Shselasky 644290650Shselasky priv->numa_node = NUMA_NO_NODE; 645290650Shselasky 646290650Shselasky err = pci_enable_device(pdev); 647290650Shselasky if (err) { 648290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Cannot enable PCI device, aborting\n"); 649290650Shselasky goto err_dbg; 650290650Shselasky } 651290650Shselasky 652290650Shselasky err = request_bar(pdev); 653290650Shselasky if (err) { 654290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""error requesting BARs, aborting\n"); 655290650Shselasky goto err_disable; 656290650Shselasky } 657290650Shselasky 658290650Shselasky pci_set_master(pdev); 659290650Shselasky 660290650Shselasky err = set_dma_caps(pdev); 661290650Shselasky if (err) { 662290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed setting DMA capabilities mask, aborting\n"); 663290650Shselasky goto err_clr_master; 664290650Shselasky } 665290650Shselasky 666290650Shselasky dev->iseg = ioremap(pci_resource_start(dev->pdev, 0), 667290650Shselasky sizeof(*dev->iseg)); 668290650Shselasky if (!dev->iseg) { 669290650Shselasky err = -ENOMEM; 670290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed mapping initialization segment, aborting\n"); 671290650Shselasky goto err_clr_master; 672290650Shselasky } 673290650Shselasky device_printf((&pdev->dev)->bsddev, "INFO: ""firmware version: %d.%d.%d\n", fw_rev_maj(dev), fw_rev_min(dev), fw_rev_sub(dev)); 674290650Shselasky 675306233Shselasky /* 676306233Shselasky * On load removing any previous indication of internal error, 677306233Shselasky * device is up 678306233Shselasky */ 679306233Shselasky dev->state = MLX5_DEVICE_STATE_UP; 680306233Shselasky 681290650Shselasky err = mlx5_cmd_init(dev); 682290650Shselasky if (err) { 683290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed initializing command interface, aborting\n"); 684290650Shselasky goto err_unmap; 685290650Shselasky } 686290650Shselasky 687290650Shselasky err = wait_fw_init(dev, FW_INIT_TIMEOUT_MILI); 688290650Shselasky if (err) { 689290650Shselasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""Firmware over %d MS in initializing state, aborting\n", FW_INIT_TIMEOUT_MILI); 690290650Shselasky goto err_cmd_cleanup; 691290650Shselasky } 692290650Shselasky 693290650Shselasky mlx5_pagealloc_init(dev); 694290650Shselasky 695290650Shselasky err = mlx5_core_enable_hca(dev); 696290650Shselasky if (err) { 697290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""enable hca failed\n"); 698290650Shselasky goto err_pagealloc_cleanup; 699290650Shselasky } 700290650Shselasky 701290650Shselasky err = mlx5_core_set_issi(dev); 702290650Shselasky if (err) { 703290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""failed to set issi\n"); 704290650Shselasky goto err_disable_hca; 705290650Shselasky } 706290650Shselasky 707290650Shselasky err = mlx5_pagealloc_start(dev); 708290650Shselasky if (err) { 709290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""mlx5_pagealloc_start failed\n"); 710290650Shselasky goto err_disable_hca; 711290650Shselasky } 712290650Shselasky 713290650Shselasky err = mlx5_satisfy_startup_pages(dev, 1); 714290650Shselasky if (err) { 715290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""failed to allocate boot pages\n"); 716290650Shselasky goto err_pagealloc_stop; 717290650Shselasky } 718290650Shselasky 719306233Shselasky err = handle_hca_cap(dev); 720290650Shselasky if (err) { 721306233Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""handle_hca_cap failed\n"); 722290650Shselasky goto reclaim_boot_pages; 723290650Shselasky } 724290650Shselasky 725306233Shselasky err = set_hca_ctrl(dev); 726290650Shselasky if (err) { 727306233Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""set_hca_ctrl failed\n"); 728290650Shselasky goto reclaim_boot_pages; 729290650Shselasky } 730290650Shselasky 731290650Shselasky err = mlx5_satisfy_startup_pages(dev, 0); 732290650Shselasky if (err) { 733290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""failed to allocate init pages\n"); 734290650Shselasky goto reclaim_boot_pages; 735290650Shselasky } 736290650Shselasky 737290650Shselasky err = mlx5_cmd_init_hca(dev); 738290650Shselasky if (err) { 739290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""init hca failed\n"); 740290650Shselasky goto reclaim_boot_pages; 741290650Shselasky } 742290650Shselasky 743290650Shselasky mlx5_start_health_poll(dev); 744290650Shselasky 745290650Shselasky err = mlx5_query_hca_caps(dev); 746290650Shselasky if (err) { 747290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""query hca failed\n"); 748290650Shselasky goto err_stop_poll; 749290650Shselasky } 750290650Shselasky 751290650Shselasky err = mlx5_query_board_id(dev); 752290650Shselasky if (err) { 753290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""query board id failed\n"); 754290650Shselasky goto err_stop_poll; 755290650Shselasky } 756290650Shselasky 757290650Shselasky err = mlx5_enable_msix(dev); 758290650Shselasky if (err) { 759290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""enable msix failed\n"); 760290650Shselasky goto err_stop_poll; 761290650Shselasky } 762290650Shselasky 763290650Shselasky err = mlx5_eq_init(dev); 764290650Shselasky if (err) { 765290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""failed to initialize eq\n"); 766290650Shselasky goto disable_msix; 767290650Shselasky } 768290650Shselasky 769290650Shselasky err = mlx5_alloc_uuars(dev, &priv->uuari); 770290650Shselasky if (err) { 771290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed allocating uar, aborting\n"); 772290650Shselasky goto err_eq_cleanup; 773290650Shselasky } 774290650Shselasky 775290650Shselasky err = mlx5_start_eqs(dev); 776290650Shselasky if (err) { 777290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed to start pages and async EQs\n"); 778290650Shselasky goto err_free_uar; 779290650Shselasky } 780290650Shselasky 781290650Shselasky err = alloc_comp_eqs(dev); 782290650Shselasky if (err) { 783290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed to alloc completion EQs\n"); 784290650Shselasky goto err_stop_eqs; 785290650Shselasky } 786290650Shselasky 787290650Shselasky if (map_bf_area(dev)) 788290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""Failed to map blue flame area\n"); 789290650Shselasky 790290650Shselasky MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock); 791290650Shselasky 792290650Shselasky mlx5_init_cq_table(dev); 793290650Shselasky mlx5_init_qp_table(dev); 794290650Shselasky mlx5_init_srq_table(dev); 795290650Shselasky mlx5_init_mr_table(dev); 796290650Shselasky 797290650Shselasky return 0; 798290650Shselasky 799290650Shselaskyerr_stop_eqs: 800290650Shselasky mlx5_stop_eqs(dev); 801290650Shselasky 802290650Shselaskyerr_free_uar: 803290650Shselasky mlx5_free_uuars(dev, &priv->uuari); 804290650Shselasky 805290650Shselaskyerr_eq_cleanup: 806290650Shselasky mlx5_eq_cleanup(dev); 807290650Shselasky 808290650Shselaskydisable_msix: 809290650Shselasky mlx5_disable_msix(dev); 810290650Shselasky 811290650Shselaskyerr_stop_poll: 812290650Shselasky mlx5_stop_health_poll(dev); 813290650Shselasky if (mlx5_cmd_teardown_hca(dev)) { 814290650Shselasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""tear_down_hca failed, skip cleanup\n"); 815290650Shselasky return err; 816290650Shselasky } 817290650Shselasky 818290650Shselaskyreclaim_boot_pages: 819290650Shselasky mlx5_reclaim_startup_pages(dev); 820290650Shselasky 821290650Shselaskyerr_pagealloc_stop: 822290650Shselasky mlx5_pagealloc_stop(dev); 823290650Shselasky 824290650Shselaskyerr_disable_hca: 825290650Shselasky mlx5_core_disable_hca(dev); 826290650Shselasky 827290650Shselaskyerr_pagealloc_cleanup: 828290650Shselasky mlx5_pagealloc_cleanup(dev); 829290650Shselaskyerr_cmd_cleanup: 830290650Shselasky mlx5_cmd_cleanup(dev); 831290650Shselasky 832290650Shselaskyerr_unmap: 833290650Shselasky iounmap(dev->iseg); 834290650Shselasky 835290650Shselaskyerr_clr_master: 836290650Shselasky pci_clear_master(dev->pdev); 837290650Shselasky release_bar(dev->pdev); 838290650Shselasky 839290650Shselaskyerr_disable: 840290650Shselasky pci_disable_device(dev->pdev); 841290650Shselasky 842290650Shselaskyerr_dbg: 843306233Shselasky dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; 844290650Shselasky return err; 845290650Shselasky} 846290650Shselasky 847290650Shselaskystatic void mlx5_dev_cleanup(struct mlx5_core_dev *dev) 848290650Shselasky{ 849290650Shselasky struct mlx5_priv *priv = &dev->priv; 850290650Shselasky 851290650Shselasky mlx5_cleanup_mr_table(dev); 852290650Shselasky mlx5_cleanup_srq_table(dev); 853290650Shselasky mlx5_cleanup_qp_table(dev); 854290650Shselasky mlx5_cleanup_cq_table(dev); 855290650Shselasky unmap_bf_area(dev); 856290650Shselasky free_comp_eqs(dev); 857290650Shselasky mlx5_stop_eqs(dev); 858290650Shselasky mlx5_free_uuars(dev, &priv->uuari); 859290650Shselasky mlx5_eq_cleanup(dev); 860290650Shselasky mlx5_disable_msix(dev); 861290650Shselasky mlx5_stop_health_poll(dev); 862290650Shselasky if (mlx5_cmd_teardown_hca(dev)) { 863290650Shselasky device_printf((&dev->pdev->dev)->bsddev, "ERR: ""tear_down_hca failed, skip cleanup\n"); 864290650Shselasky return; 865290650Shselasky } 866290650Shselasky mlx5_pagealloc_stop(dev); 867290650Shselasky mlx5_reclaim_startup_pages(dev); 868290650Shselasky mlx5_core_disable_hca(dev); 869290650Shselasky mlx5_pagealloc_cleanup(dev); 870290650Shselasky mlx5_cmd_cleanup(dev); 871290650Shselasky iounmap(dev->iseg); 872290650Shselasky pci_clear_master(dev->pdev); 873290650Shselasky release_bar(dev->pdev); 874290650Shselasky pci_disable_device(dev->pdev); 875290650Shselasky} 876290650Shselasky 877290650Shselaskystatic void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) 878290650Shselasky{ 879290650Shselasky struct mlx5_device_context *dev_ctx; 880290650Shselasky struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); 881290650Shselasky 882290650Shselasky dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL); 883290650Shselasky 884290650Shselasky dev_ctx->intf = intf; 885290650Shselasky dev_ctx->context = intf->add(dev); 886290650Shselasky 887290650Shselasky if (dev_ctx->context) { 888290650Shselasky spin_lock_irq(&priv->ctx_lock); 889290650Shselasky list_add_tail(&dev_ctx->list, &priv->ctx_list); 890290650Shselasky spin_unlock_irq(&priv->ctx_lock); 891290650Shselasky } else { 892290650Shselasky kfree(dev_ctx); 893290650Shselasky } 894290650Shselasky} 895290650Shselasky 896290650Shselaskystatic void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv) 897290650Shselasky{ 898290650Shselasky struct mlx5_device_context *dev_ctx; 899290650Shselasky struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); 900290650Shselasky 901290650Shselasky list_for_each_entry(dev_ctx, &priv->ctx_list, list) 902290650Shselasky if (dev_ctx->intf == intf) { 903290650Shselasky spin_lock_irq(&priv->ctx_lock); 904290650Shselasky list_del(&dev_ctx->list); 905290650Shselasky spin_unlock_irq(&priv->ctx_lock); 906290650Shselasky 907290650Shselasky intf->remove(dev, dev_ctx->context); 908290650Shselasky kfree(dev_ctx); 909290650Shselasky return; 910290650Shselasky } 911290650Shselasky} 912290650Shselaskystatic int mlx5_register_device(struct mlx5_core_dev *dev) 913290650Shselasky{ 914290650Shselasky struct mlx5_priv *priv = &dev->priv; 915290650Shselasky struct mlx5_interface *intf; 916290650Shselasky 917290650Shselasky mutex_lock(&intf_mutex); 918290650Shselasky list_add_tail(&priv->dev_list, &dev_list); 919290650Shselasky list_for_each_entry(intf, &intf_list, list) 920290650Shselasky mlx5_add_device(intf, priv); 921290650Shselasky mutex_unlock(&intf_mutex); 922290650Shselasky 923290650Shselasky return 0; 924290650Shselasky} 925290650Shselaskystatic void mlx5_unregister_device(struct mlx5_core_dev *dev) 926290650Shselasky{ 927290650Shselasky struct mlx5_priv *priv = &dev->priv; 928290650Shselasky struct mlx5_interface *intf; 929290650Shselasky 930290650Shselasky mutex_lock(&intf_mutex); 931290650Shselasky list_for_each_entry(intf, &intf_list, list) 932290650Shselasky mlx5_remove_device(intf, priv); 933290650Shselasky list_del(&priv->dev_list); 934290650Shselasky mutex_unlock(&intf_mutex); 935290650Shselasky} 936290650Shselasky 937290650Shselaskyint mlx5_register_interface(struct mlx5_interface *intf) 938290650Shselasky{ 939290650Shselasky struct mlx5_priv *priv; 940290650Shselasky 941290650Shselasky if (!intf->add || !intf->remove) 942290650Shselasky return -EINVAL; 943290650Shselasky 944290650Shselasky mutex_lock(&intf_mutex); 945290650Shselasky list_add_tail(&intf->list, &intf_list); 946290650Shselasky list_for_each_entry(priv, &dev_list, dev_list) 947290650Shselasky mlx5_add_device(intf, priv); 948290650Shselasky mutex_unlock(&intf_mutex); 949290650Shselasky 950290650Shselasky return 0; 951290650Shselasky} 952290650ShselaskyEXPORT_SYMBOL(mlx5_register_interface); 953290650Shselasky 954290650Shselaskyvoid mlx5_unregister_interface(struct mlx5_interface *intf) 955290650Shselasky{ 956290650Shselasky struct mlx5_priv *priv; 957290650Shselasky 958290650Shselasky mutex_lock(&intf_mutex); 959290650Shselasky list_for_each_entry(priv, &dev_list, dev_list) 960290650Shselasky mlx5_remove_device(intf, priv); 961290650Shselasky list_del(&intf->list); 962290650Shselasky mutex_unlock(&intf_mutex); 963290650Shselasky} 964290650ShselaskyEXPORT_SYMBOL(mlx5_unregister_interface); 965290650Shselasky 966290650Shselaskyvoid *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol) 967290650Shselasky{ 968290650Shselasky struct mlx5_priv *priv = &mdev->priv; 969290650Shselasky struct mlx5_device_context *dev_ctx; 970290650Shselasky unsigned long flags; 971290650Shselasky void *result = NULL; 972290650Shselasky 973290650Shselasky spin_lock_irqsave(&priv->ctx_lock, flags); 974290650Shselasky 975290650Shselasky list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list) 976290650Shselasky if ((dev_ctx->intf->protocol == protocol) && 977290650Shselasky dev_ctx->intf->get_dev) { 978290650Shselasky result = dev_ctx->intf->get_dev(dev_ctx->context); 979290650Shselasky break; 980290650Shselasky } 981290650Shselasky 982290650Shselasky spin_unlock_irqrestore(&priv->ctx_lock, flags); 983290650Shselasky 984290650Shselasky return result; 985290650Shselasky} 986290650ShselaskyEXPORT_SYMBOL(mlx5_get_protocol_dev); 987290650Shselasky 988290650Shselaskystatic void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, 989290650Shselasky unsigned long param) 990290650Shselasky{ 991290650Shselasky struct mlx5_priv *priv = &dev->priv; 992290650Shselasky struct mlx5_device_context *dev_ctx; 993290650Shselasky unsigned long flags; 994290650Shselasky 995290650Shselasky spin_lock_irqsave(&priv->ctx_lock, flags); 996290650Shselasky 997290650Shselasky list_for_each_entry(dev_ctx, &priv->ctx_list, list) 998290650Shselasky if (dev_ctx->intf->event) 999290650Shselasky dev_ctx->intf->event(dev, dev_ctx->context, event, param); 1000290650Shselasky 1001290650Shselasky spin_unlock_irqrestore(&priv->ctx_lock, flags); 1002290650Shselasky} 1003290650Shselasky 1004290650Shselaskystruct mlx5_core_event_handler { 1005290650Shselasky void (*event)(struct mlx5_core_dev *dev, 1006290650Shselasky enum mlx5_dev_event event, 1007290650Shselasky void *data); 1008290650Shselasky}; 1009290650Shselasky 1010290650Shselasky 1011290650Shselaskystatic int init_one(struct pci_dev *pdev, 1012290650Shselasky const struct pci_device_id *id) 1013290650Shselasky{ 1014290650Shselasky struct mlx5_core_dev *dev; 1015290650Shselasky struct mlx5_priv *priv; 1016290650Shselasky int err; 1017290650Shselasky 1018290650Shselasky dev = kzalloc(sizeof(*dev), GFP_KERNEL); 1019290650Shselasky priv = &dev->priv; 1020306233Shselasky if (id) 1021306233Shselasky priv->pci_dev_data = id->driver_data; 1022290650Shselasky 1023290650Shselasky if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profiles)) { 1024290650Shselasky printf("mlx5_core: WARN: ""selected profile out of range, selecting default (%d)\n", MLX5_DEFAULT_PROF); 1025290650Shselasky prof_sel = MLX5_DEFAULT_PROF; 1026290650Shselasky } 1027290650Shselasky dev->profile = &profiles[prof_sel]; 1028290650Shselasky dev->event = mlx5_core_event; 1029290650Shselasky 1030290650Shselasky INIT_LIST_HEAD(&priv->ctx_list); 1031290650Shselasky spin_lock_init(&priv->ctx_lock); 1032290650Shselasky err = mlx5_dev_init(dev, pdev); 1033290650Shselasky if (err) { 1034290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""mlx5_dev_init failed %d\n", err); 1035290650Shselasky goto out; 1036290650Shselasky } 1037290650Shselasky 1038290650Shselasky err = mlx5_register_device(dev); 1039290650Shselasky if (err) { 1040290650Shselasky device_printf((&pdev->dev)->bsddev, "ERR: ""mlx5_register_device failed %d\n", err); 1041290650Shselasky goto out_init; 1042290650Shselasky } 1043290650Shselasky 1044290650Shselasky 1045290650Shselasky return 0; 1046290650Shselasky 1047290650Shselaskyout_init: 1048290650Shselasky mlx5_dev_cleanup(dev); 1049290650Shselaskyout: 1050290650Shselasky kfree(dev); 1051290650Shselasky return err; 1052290650Shselasky} 1053290650Shselasky 1054290650Shselaskystatic void remove_one(struct pci_dev *pdev) 1055290650Shselasky{ 1056290650Shselasky struct mlx5_core_dev *dev = pci_get_drvdata(pdev); 1057290650Shselasky 1058290650Shselasky mlx5_unregister_device(dev); 1059290650Shselasky mlx5_dev_cleanup(dev); 1060290650Shselasky kfree(dev); 1061290650Shselasky} 1062290650Shselasky 1063290650Shselaskystatic const struct pci_device_id mlx5_core_pci_table[] = { 1064290650Shselasky { PCI_VDEVICE(MELLANOX, 4113) }, /* Connect-IB */ 1065290650Shselasky { PCI_VDEVICE(MELLANOX, 4114) }, /* Connect-IB VF */ 1066290650Shselasky { PCI_VDEVICE(MELLANOX, 4115) }, /* ConnectX-4 */ 1067290650Shselasky { PCI_VDEVICE(MELLANOX, 4116) }, /* ConnectX-4 VF */ 1068290650Shselasky { PCI_VDEVICE(MELLANOX, 4117) }, /* ConnectX-4LX */ 1069290650Shselasky { PCI_VDEVICE(MELLANOX, 4118) }, /* ConnectX-4LX VF */ 1070306233Shselasky { PCI_VDEVICE(MELLANOX, 4119) }, /* ConnectX-5 */ 1071306233Shselasky { PCI_VDEVICE(MELLANOX, 4120) }, /* ConnectX-5 VF */ 1072290650Shselasky { PCI_VDEVICE(MELLANOX, 4121) }, 1073290650Shselasky { PCI_VDEVICE(MELLANOX, 4122) }, 1074290650Shselasky { PCI_VDEVICE(MELLANOX, 4123) }, 1075290650Shselasky { PCI_VDEVICE(MELLANOX, 4124) }, 1076290650Shselasky { PCI_VDEVICE(MELLANOX, 4125) }, 1077290650Shselasky { PCI_VDEVICE(MELLANOX, 4126) }, 1078290650Shselasky { PCI_VDEVICE(MELLANOX, 4127) }, 1079290650Shselasky { PCI_VDEVICE(MELLANOX, 4128) }, 1080290650Shselasky { PCI_VDEVICE(MELLANOX, 4129) }, 1081290650Shselasky { PCI_VDEVICE(MELLANOX, 4130) }, 1082290650Shselasky { PCI_VDEVICE(MELLANOX, 4131) }, 1083290650Shselasky { PCI_VDEVICE(MELLANOX, 4132) }, 1084290650Shselasky { PCI_VDEVICE(MELLANOX, 4133) }, 1085290650Shselasky { PCI_VDEVICE(MELLANOX, 4134) }, 1086290650Shselasky { PCI_VDEVICE(MELLANOX, 4135) }, 1087290650Shselasky { PCI_VDEVICE(MELLANOX, 4136) }, 1088290650Shselasky { PCI_VDEVICE(MELLANOX, 4137) }, 1089290650Shselasky { PCI_VDEVICE(MELLANOX, 4138) }, 1090290650Shselasky { PCI_VDEVICE(MELLANOX, 4139) }, 1091290650Shselasky { PCI_VDEVICE(MELLANOX, 4140) }, 1092290650Shselasky { PCI_VDEVICE(MELLANOX, 4141) }, 1093290650Shselasky { PCI_VDEVICE(MELLANOX, 4142) }, 1094290650Shselasky { PCI_VDEVICE(MELLANOX, 4143) }, 1095290650Shselasky { PCI_VDEVICE(MELLANOX, 4144) }, 1096290650Shselasky { 0, } 1097290650Shselasky}; 1098290650Shselasky 1099290650ShselaskyMODULE_DEVICE_TABLE(pci, mlx5_core_pci_table); 1100290650Shselasky 1101290650Shselaskystatic struct pci_driver mlx5_core_driver = { 1102290650Shselasky .name = DRIVER_NAME, 1103290650Shselasky .id_table = mlx5_core_pci_table, 1104290650Shselasky .probe = init_one, 1105290650Shselasky .remove = remove_one 1106290650Shselasky}; 1107290650Shselasky 1108290650Shselaskystatic int __init init(void) 1109290650Shselasky{ 1110290650Shselasky int err; 1111290650Shselasky 1112290650Shselasky mlx5_core_wq = create_singlethread_workqueue("mlx5_core_wq"); 1113290650Shselasky if (!mlx5_core_wq) { 1114290650Shselasky err = -ENOMEM; 1115290650Shselasky goto err_debug; 1116290650Shselasky } 1117290650Shselasky mlx5_health_init(); 1118290650Shselasky 1119290650Shselasky err = pci_register_driver(&mlx5_core_driver); 1120290650Shselasky if (err) 1121290650Shselasky goto err_health; 1122290650Shselasky 1123290650Shselasky 1124290650Shselasky return 0; 1125290650Shselasky 1126290650Shselaskyerr_health: 1127290650Shselasky mlx5_health_cleanup(); 1128290650Shselasky destroy_workqueue(mlx5_core_wq); 1129290650Shselaskyerr_debug: 1130290650Shselasky return err; 1131290650Shselasky} 1132290650Shselasky 1133290650Shselaskystatic void __exit cleanup(void) 1134290650Shselasky{ 1135290650Shselasky pci_unregister_driver(&mlx5_core_driver); 1136290650Shselasky mlx5_health_cleanup(); 1137290650Shselasky destroy_workqueue(mlx5_core_wq); 1138290650Shselasky} 1139290650Shselasky 1140290650Shselaskymodule_init(init); 1141290650Shselaskymodule_exit(cleanup); 1142