Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
| 3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
| 4 | * Copyright (c) 2005 Mellanox Technologies. All rights reserved. |
| 5 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. |
| 6 | * |
| 7 | * This software is available to you under a choice of one of two |
| 8 | * licenses. You may choose to be licensed under the terms of the GNU |
| 9 | * General Public License (GPL) Version 2, available from the file |
| 10 | * COPYING in the main directory of this source tree, or the |
| 11 | * OpenIB.org BSD license below: |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or |
| 14 | * without modification, are permitted provided that the following |
| 15 | * conditions are met: |
| 16 | * |
| 17 | * - Redistributions of source code must retain the above |
| 18 | * copyright notice, this list of conditions and the following |
| 19 | * disclaimer. |
| 20 | * |
| 21 | * - Redistributions in binary form must reproduce the above |
| 22 | * copyright notice, this list of conditions and the following |
| 23 | * disclaimer in the documentation and/or other materials |
| 24 | * provided with the distribution. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 33 | * SOFTWARE. |
| 34 | */ |
| 35 | |
| 36 | #include <linux/module.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/errno.h> |
| 39 | #include <linux/pci.h> |
| 40 | #include <linux/dma-mapping.h> |
| 41 | |
| 42 | #include <linux/mlx4/device.h> |
| 43 | #include <linux/mlx4/doorbell.h> |
| 44 | |
| 45 | #include "mlx4.h" |
| 46 | #include "fw.h" |
| 47 | #include "icm.h" |
| 48 | |
| 49 | MODULE_AUTHOR("Roland Dreier"); |
| 50 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); |
| 51 | MODULE_LICENSE("Dual BSD/GPL"); |
| 52 | MODULE_VERSION(DRV_VERSION); |
| 53 | |
| 54 | #ifdef CONFIG_MLX4_DEBUG |
| 55 | |
| 56 | int mlx4_debug_level = 0; |
| 57 | module_param_named(debug_level, mlx4_debug_level, int, 0644); |
| 58 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); |
| 59 | |
| 60 | #endif /* CONFIG_MLX4_DEBUG */ |
| 61 | |
| 62 | #ifdef CONFIG_PCI_MSI |
| 63 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 64 | static int msi_x = 1; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 65 | module_param(msi_x, int, 0444); |
| 66 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); |
| 67 | |
| 68 | #else /* CONFIG_PCI_MSI */ |
| 69 | |
| 70 | #define msi_x (0) |
| 71 | |
| 72 | #endif /* CONFIG_PCI_MSI */ |
| 73 | |
| 74 | static const char mlx4_version[] __devinitdata = |
| 75 | DRV_NAME ": Mellanox ConnectX core driver v" |
| 76 | DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 77 | |
| 78 | static struct mlx4_profile default_profile = { |
| 79 | .num_qp = 1 << 16, |
| 80 | .num_srq = 1 << 16, |
Jack Morgenstein | c9f2ba5 | 2007-07-17 13:11:43 +0300 | [diff] [blame] | 81 | .rdmarc_per_qp = 1 << 4, |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 82 | .num_cq = 1 << 16, |
| 83 | .num_mcg = 1 << 13, |
| 84 | .num_mpt = 1 << 17, |
| 85 | .num_mtt = 1 << 20, |
| 86 | }; |
| 87 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 88 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 89 | { |
| 90 | int err; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 91 | int i; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 92 | |
| 93 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); |
| 94 | if (err) { |
| 95 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 96 | return err; |
| 97 | } |
| 98 | |
| 99 | if (dev_cap->min_page_sz > PAGE_SIZE) { |
| 100 | mlx4_err(dev, "HCA minimum page size of %d bigger than " |
| 101 | "kernel PAGE_SIZE of %ld, aborting.\n", |
| 102 | dev_cap->min_page_sz, PAGE_SIZE); |
| 103 | return -ENODEV; |
| 104 | } |
| 105 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { |
| 106 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " |
| 107 | "aborting.\n", |
| 108 | dev_cap->num_ports, MLX4_MAX_PORTS); |
| 109 | return -ENODEV; |
| 110 | } |
| 111 | |
| 112 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { |
| 113 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " |
| 114 | "PCI resource 2 size of 0x%llx, aborting.\n", |
| 115 | dev_cap->uar_size, |
| 116 | (unsigned long long) pci_resource_len(dev->pdev, 2)); |
| 117 | return -ENODEV; |
| 118 | } |
| 119 | |
| 120 | dev->caps.num_ports = dev_cap->num_ports; |
Roland Dreier | 5ae2a7a | 2007-06-18 08:15:02 -0700 | [diff] [blame] | 121 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
| 122 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; |
| 123 | dev->caps.mtu_cap[i] = dev_cap->max_mtu[i]; |
| 124 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; |
| 125 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; |
| 126 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; |
| 127 | } |
| 128 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 129 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 130 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
| 131 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; |
| 132 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; |
| 133 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; |
| 134 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; |
| 135 | dev->caps.max_wqes = dev_cap->max_qp_sz; |
| 136 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; |
| 137 | dev->caps.reserved_qps = dev_cap->reserved_qps; |
| 138 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; |
| 139 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; |
| 140 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; |
| 141 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; |
| 142 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; |
| 143 | dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM; |
| 144 | /* |
| 145 | * Subtract 1 from the limit because we need to allocate a |
| 146 | * spare CQE so the HCA HW can tell the difference between an |
| 147 | * empty CQ and a full CQ. |
| 148 | */ |
| 149 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; |
| 150 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; |
| 151 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; |
Roland Dreier | 121964e | 2007-10-09 19:59:16 -0700 | [diff] [blame] | 152 | dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts, |
| 153 | MLX4_MTT_ENTRY_PER_SEG); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 154 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
| 155 | dev->caps.reserved_uars = dev_cap->reserved_uars; |
| 156 | dev->caps.reserved_pds = dev_cap->reserved_pds; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 157 | dev->caps.mtt_entry_sz = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz; |
Dotan Barak | 149983af | 2007-06-26 15:55:28 +0300 | [diff] [blame] | 158 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 159 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
| 160 | dev->caps.flags = dev_cap->flags; |
| 161 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; |
| 162 | |
| 163 | return 0; |
| 164 | } |
| 165 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame^] | 166 | static int mlx4_load_fw(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 167 | { |
| 168 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 169 | int err; |
| 170 | |
| 171 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 172 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 173 | if (!priv->fw.fw_icm) { |
| 174 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); |
| 175 | return -ENOMEM; |
| 176 | } |
| 177 | |
| 178 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); |
| 179 | if (err) { |
| 180 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); |
| 181 | goto err_free; |
| 182 | } |
| 183 | |
| 184 | err = mlx4_RUN_FW(dev); |
| 185 | if (err) { |
| 186 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); |
| 187 | goto err_unmap_fa; |
| 188 | } |
| 189 | |
| 190 | return 0; |
| 191 | |
| 192 | err_unmap_fa: |
| 193 | mlx4_UNMAP_FA(dev); |
| 194 | |
| 195 | err_free: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 196 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 197 | return err; |
| 198 | } |
| 199 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame^] | 200 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
| 201 | int cmpt_entry_sz) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 202 | { |
| 203 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 204 | int err; |
| 205 | |
| 206 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, |
| 207 | cmpt_base + |
| 208 | ((u64) (MLX4_CMPT_TYPE_QP * |
| 209 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 210 | cmpt_entry_sz, dev->caps.num_qps, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 211 | dev->caps.reserved_qps, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 212 | if (err) |
| 213 | goto err; |
| 214 | |
| 215 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, |
| 216 | cmpt_base + |
| 217 | ((u64) (MLX4_CMPT_TYPE_SRQ * |
| 218 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 219 | cmpt_entry_sz, dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 220 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 221 | if (err) |
| 222 | goto err_qp; |
| 223 | |
| 224 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, |
| 225 | cmpt_base + |
| 226 | ((u64) (MLX4_CMPT_TYPE_CQ * |
| 227 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 228 | cmpt_entry_sz, dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 229 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 230 | if (err) |
| 231 | goto err_srq; |
| 232 | |
| 233 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, |
| 234 | cmpt_base + |
| 235 | ((u64) (MLX4_CMPT_TYPE_EQ * |
| 236 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), |
| 237 | cmpt_entry_sz, |
| 238 | roundup_pow_of_two(MLX4_NUM_EQ + |
| 239 | dev->caps.reserved_eqs), |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 240 | MLX4_NUM_EQ + dev->caps.reserved_eqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 241 | if (err) |
| 242 | goto err_cq; |
| 243 | |
| 244 | return 0; |
| 245 | |
| 246 | err_cq: |
| 247 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 248 | |
| 249 | err_srq: |
| 250 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 251 | |
| 252 | err_qp: |
| 253 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 254 | |
| 255 | err: |
| 256 | return err; |
| 257 | } |
| 258 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 259 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
| 260 | struct mlx4_init_hca_param *init_hca, u64 icm_size) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 261 | { |
| 262 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 263 | u64 aux_pages; |
| 264 | int err; |
| 265 | |
| 266 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); |
| 267 | if (err) { |
| 268 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); |
| 269 | return err; |
| 270 | } |
| 271 | |
| 272 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", |
| 273 | (unsigned long long) icm_size >> 10, |
| 274 | (unsigned long long) aux_pages << 2); |
| 275 | |
| 276 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 277 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 278 | if (!priv->fw.aux_icm) { |
| 279 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); |
| 280 | return -ENOMEM; |
| 281 | } |
| 282 | |
| 283 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); |
| 284 | if (err) { |
| 285 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); |
| 286 | goto err_free_aux; |
| 287 | } |
| 288 | |
| 289 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); |
| 290 | if (err) { |
| 291 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); |
| 292 | goto err_unmap_aux; |
| 293 | } |
| 294 | |
| 295 | err = mlx4_map_eq_icm(dev, init_hca->eqc_base); |
| 296 | if (err) { |
| 297 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); |
| 298 | goto err_unmap_cmpt; |
| 299 | } |
| 300 | |
Jack Morgenstein | d7bb58f | 2007-08-01 12:28:53 +0300 | [diff] [blame] | 301 | /* |
| 302 | * Reserved MTT entries must be aligned up to a cacheline |
| 303 | * boundary, since the FW will write to them, while the driver |
| 304 | * writes to all other MTT entries. (The variable |
| 305 | * dev->caps.mtt_entry_sz below is really the MTT segment |
| 306 | * size, not the raw entry size) |
| 307 | */ |
| 308 | dev->caps.reserved_mtts = |
| 309 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, |
| 310 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; |
| 311 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 312 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
| 313 | init_hca->mtt_base, |
| 314 | dev->caps.mtt_entry_sz, |
| 315 | dev->caps.num_mtt_segs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 316 | dev->caps.reserved_mtts, 1, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 317 | if (err) { |
| 318 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); |
| 319 | goto err_unmap_eq; |
| 320 | } |
| 321 | |
| 322 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, |
| 323 | init_hca->dmpt_base, |
| 324 | dev_cap->dmpt_entry_sz, |
| 325 | dev->caps.num_mpts, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 326 | dev->caps.reserved_mrws, 1, 1); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 327 | if (err) { |
| 328 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); |
| 329 | goto err_unmap_mtt; |
| 330 | } |
| 331 | |
| 332 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, |
| 333 | init_hca->qpc_base, |
| 334 | dev_cap->qpc_entry_sz, |
| 335 | dev->caps.num_qps, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 336 | dev->caps.reserved_qps, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 337 | if (err) { |
| 338 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); |
| 339 | goto err_unmap_dmpt; |
| 340 | } |
| 341 | |
| 342 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, |
| 343 | init_hca->auxc_base, |
| 344 | dev_cap->aux_entry_sz, |
| 345 | dev->caps.num_qps, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 346 | dev->caps.reserved_qps, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 347 | if (err) { |
| 348 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); |
| 349 | goto err_unmap_qp; |
| 350 | } |
| 351 | |
| 352 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, |
| 353 | init_hca->altc_base, |
| 354 | dev_cap->altc_entry_sz, |
| 355 | dev->caps.num_qps, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 356 | dev->caps.reserved_qps, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 357 | if (err) { |
| 358 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); |
| 359 | goto err_unmap_auxc; |
| 360 | } |
| 361 | |
| 362 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, |
| 363 | init_hca->rdmarc_base, |
| 364 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, |
| 365 | dev->caps.num_qps, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 366 | dev->caps.reserved_qps, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 367 | if (err) { |
| 368 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); |
| 369 | goto err_unmap_altc; |
| 370 | } |
| 371 | |
| 372 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, |
| 373 | init_hca->cqc_base, |
| 374 | dev_cap->cqc_entry_sz, |
| 375 | dev->caps.num_cqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 376 | dev->caps.reserved_cqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 377 | if (err) { |
| 378 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); |
| 379 | goto err_unmap_rdmarc; |
| 380 | } |
| 381 | |
| 382 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, |
| 383 | init_hca->srqc_base, |
| 384 | dev_cap->srq_entry_sz, |
| 385 | dev->caps.num_srqs, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 386 | dev->caps.reserved_srqs, 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 387 | if (err) { |
| 388 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); |
| 389 | goto err_unmap_cq; |
| 390 | } |
| 391 | |
| 392 | /* |
| 393 | * It's not strictly required, but for simplicity just map the |
| 394 | * whole multicast group table now. The table isn't very big |
| 395 | * and it's a lot easier than trying to track ref counts. |
| 396 | */ |
| 397 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, |
| 398 | init_hca->mc_base, MLX4_MGM_ENTRY_SIZE, |
| 399 | dev->caps.num_mgms + dev->caps.num_amgms, |
| 400 | dev->caps.num_mgms + dev->caps.num_amgms, |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 401 | 0, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 402 | if (err) { |
| 403 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); |
| 404 | goto err_unmap_srq; |
| 405 | } |
| 406 | |
| 407 | return 0; |
| 408 | |
| 409 | err_unmap_srq: |
| 410 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 411 | |
| 412 | err_unmap_cq: |
| 413 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 414 | |
| 415 | err_unmap_rdmarc: |
| 416 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 417 | |
| 418 | err_unmap_altc: |
| 419 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 420 | |
| 421 | err_unmap_auxc: |
| 422 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 423 | |
| 424 | err_unmap_qp: |
| 425 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 426 | |
| 427 | err_unmap_dmpt: |
| 428 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 429 | |
| 430 | err_unmap_mtt: |
| 431 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
| 432 | |
| 433 | err_unmap_eq: |
| 434 | mlx4_unmap_eq_icm(dev); |
| 435 | |
| 436 | err_unmap_cmpt: |
| 437 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 438 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 439 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 440 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 441 | |
| 442 | err_unmap_aux: |
| 443 | mlx4_UNMAP_ICM_AUX(dev); |
| 444 | |
| 445 | err_free_aux: |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 446 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 447 | |
| 448 | return err; |
| 449 | } |
| 450 | |
| 451 | static void mlx4_free_icms(struct mlx4_dev *dev) |
| 452 | { |
| 453 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 454 | |
| 455 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); |
| 456 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); |
| 457 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); |
| 458 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); |
| 459 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); |
| 460 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); |
| 461 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); |
| 462 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); |
| 463 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); |
| 464 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); |
| 465 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); |
| 466 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); |
| 467 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); |
| 468 | mlx4_unmap_eq_icm(dev); |
| 469 | |
| 470 | mlx4_UNMAP_ICM_AUX(dev); |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 471 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | static void mlx4_close_hca(struct mlx4_dev *dev) |
| 475 | { |
| 476 | mlx4_CLOSE_HCA(dev, 0); |
| 477 | mlx4_free_icms(dev); |
| 478 | mlx4_UNMAP_FA(dev); |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 479 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 480 | } |
| 481 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 482 | static int mlx4_init_hca(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 483 | { |
| 484 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 485 | struct mlx4_adapter adapter; |
| 486 | struct mlx4_dev_cap dev_cap; |
| 487 | struct mlx4_profile profile; |
| 488 | struct mlx4_init_hca_param init_hca; |
| 489 | u64 icm_size; |
| 490 | int err; |
| 491 | |
| 492 | err = mlx4_QUERY_FW(dev); |
| 493 | if (err) { |
| 494 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); |
| 495 | return err; |
| 496 | } |
| 497 | |
| 498 | err = mlx4_load_fw(dev); |
| 499 | if (err) { |
| 500 | mlx4_err(dev, "Failed to start FW, aborting.\n"); |
| 501 | return err; |
| 502 | } |
| 503 | |
| 504 | err = mlx4_dev_cap(dev, &dev_cap); |
| 505 | if (err) { |
| 506 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); |
| 507 | goto err_stop_fw; |
| 508 | } |
| 509 | |
| 510 | profile = default_profile; |
| 511 | |
| 512 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca); |
| 513 | if ((long long) icm_size < 0) { |
| 514 | err = icm_size; |
| 515 | goto err_stop_fw; |
| 516 | } |
| 517 | |
| 518 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); |
| 519 | |
| 520 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); |
| 521 | if (err) |
| 522 | goto err_stop_fw; |
| 523 | |
| 524 | err = mlx4_INIT_HCA(dev, &init_hca); |
| 525 | if (err) { |
| 526 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); |
| 527 | goto err_free_icm; |
| 528 | } |
| 529 | |
| 530 | err = mlx4_QUERY_ADAPTER(dev, &adapter); |
| 531 | if (err) { |
| 532 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); |
| 533 | goto err_close; |
| 534 | } |
| 535 | |
| 536 | priv->eq_table.inta_pin = adapter.inta_pin; |
Jack Morgenstein | cd9281d | 2007-09-18 09:14:18 +0200 | [diff] [blame] | 537 | dev->rev_id = adapter.revision_id; |
| 538 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 539 | |
| 540 | return 0; |
| 541 | |
| 542 | err_close: |
| 543 | mlx4_close_hca(dev); |
| 544 | |
| 545 | err_free_icm: |
| 546 | mlx4_free_icms(dev); |
| 547 | |
| 548 | err_stop_fw: |
| 549 | mlx4_UNMAP_FA(dev); |
Jack Morgenstein | 5b0bf5e | 2007-08-01 12:28:20 +0300 | [diff] [blame] | 550 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 551 | |
| 552 | return err; |
| 553 | } |
| 554 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 555 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 556 | { |
| 557 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 558 | int err; |
| 559 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 560 | err = mlx4_init_uar_table(dev); |
| 561 | if (err) { |
| 562 | mlx4_err(dev, "Failed to initialize " |
| 563 | "user access region table, aborting.\n"); |
| 564 | return err; |
| 565 | } |
| 566 | |
| 567 | err = mlx4_uar_alloc(dev, &priv->driver_uar); |
| 568 | if (err) { |
| 569 | mlx4_err(dev, "Failed to allocate driver access region, " |
| 570 | "aborting.\n"); |
| 571 | goto err_uar_table_free; |
| 572 | } |
| 573 | |
| 574 | priv->kar = ioremap(priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
| 575 | if (!priv->kar) { |
| 576 | mlx4_err(dev, "Couldn't map kernel access region, " |
| 577 | "aborting.\n"); |
| 578 | err = -ENOMEM; |
| 579 | goto err_uar_free; |
| 580 | } |
| 581 | |
| 582 | err = mlx4_init_pd_table(dev); |
| 583 | if (err) { |
| 584 | mlx4_err(dev, "Failed to initialize " |
| 585 | "protection domain table, aborting.\n"); |
| 586 | goto err_kar_unmap; |
| 587 | } |
| 588 | |
| 589 | err = mlx4_init_mr_table(dev); |
| 590 | if (err) { |
| 591 | mlx4_err(dev, "Failed to initialize " |
| 592 | "memory region table, aborting.\n"); |
| 593 | goto err_pd_table_free; |
| 594 | } |
| 595 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 596 | err = mlx4_init_eq_table(dev); |
| 597 | if (err) { |
| 598 | mlx4_err(dev, "Failed to initialize " |
| 599 | "event queue table, aborting.\n"); |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 600 | goto err_mr_table_free; |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | err = mlx4_cmd_use_events(dev); |
| 604 | if (err) { |
| 605 | mlx4_err(dev, "Failed to switch to event-driven " |
| 606 | "firmware commands, aborting.\n"); |
| 607 | goto err_eq_table_free; |
| 608 | } |
| 609 | |
| 610 | err = mlx4_NOP(dev); |
| 611 | if (err) { |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 612 | if (dev->flags & MLX4_FLAG_MSI_X) { |
| 613 | mlx4_warn(dev, "NOP command failed to generate MSI-X " |
| 614 | "interrupt IRQ %d).\n", |
| 615 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
| 616 | mlx4_warn(dev, "Trying again without MSI-X.\n"); |
| 617 | } else { |
| 618 | mlx4_err(dev, "NOP command failed to generate interrupt " |
| 619 | "(IRQ %d), aborting.\n", |
| 620 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 621 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 622 | } |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 623 | |
| 624 | goto err_cmd_poll; |
| 625 | } |
| 626 | |
| 627 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); |
| 628 | |
| 629 | err = mlx4_init_cq_table(dev); |
| 630 | if (err) { |
| 631 | mlx4_err(dev, "Failed to initialize " |
| 632 | "completion queue table, aborting.\n"); |
| 633 | goto err_cmd_poll; |
| 634 | } |
| 635 | |
| 636 | err = mlx4_init_srq_table(dev); |
| 637 | if (err) { |
| 638 | mlx4_err(dev, "Failed to initialize " |
| 639 | "shared receive queue table, aborting.\n"); |
| 640 | goto err_cq_table_free; |
| 641 | } |
| 642 | |
| 643 | err = mlx4_init_qp_table(dev); |
| 644 | if (err) { |
| 645 | mlx4_err(dev, "Failed to initialize " |
| 646 | "queue pair table, aborting.\n"); |
| 647 | goto err_srq_table_free; |
| 648 | } |
| 649 | |
| 650 | err = mlx4_init_mcg_table(dev); |
| 651 | if (err) { |
| 652 | mlx4_err(dev, "Failed to initialize " |
| 653 | "multicast group table, aborting.\n"); |
| 654 | goto err_qp_table_free; |
| 655 | } |
| 656 | |
| 657 | return 0; |
| 658 | |
| 659 | err_qp_table_free: |
| 660 | mlx4_cleanup_qp_table(dev); |
| 661 | |
| 662 | err_srq_table_free: |
| 663 | mlx4_cleanup_srq_table(dev); |
| 664 | |
| 665 | err_cq_table_free: |
| 666 | mlx4_cleanup_cq_table(dev); |
| 667 | |
| 668 | err_cmd_poll: |
| 669 | mlx4_cmd_use_polling(dev); |
| 670 | |
| 671 | err_eq_table_free: |
| 672 | mlx4_cleanup_eq_table(dev); |
| 673 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 674 | err_mr_table_free: |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 675 | mlx4_cleanup_mr_table(dev); |
| 676 | |
| 677 | err_pd_table_free: |
| 678 | mlx4_cleanup_pd_table(dev); |
| 679 | |
| 680 | err_kar_unmap: |
| 681 | iounmap(priv->kar); |
| 682 | |
| 683 | err_uar_free: |
| 684 | mlx4_uar_free(dev, &priv->driver_uar); |
| 685 | |
| 686 | err_uar_table_free: |
| 687 | mlx4_cleanup_uar_table(dev); |
| 688 | return err; |
| 689 | } |
| 690 | |
Roland Dreier | e8f9b2e | 2008-02-04 20:20:41 -0800 | [diff] [blame^] | 691 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 692 | { |
| 693 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 694 | struct msix_entry entries[MLX4_NUM_EQ]; |
| 695 | int err; |
| 696 | int i; |
| 697 | |
| 698 | if (msi_x) { |
| 699 | for (i = 0; i < MLX4_NUM_EQ; ++i) |
| 700 | entries[i].entry = i; |
| 701 | |
| 702 | err = pci_enable_msix(dev->pdev, entries, ARRAY_SIZE(entries)); |
| 703 | if (err) { |
| 704 | if (err > 0) |
| 705 | mlx4_info(dev, "Only %d MSI-X vectors available, " |
| 706 | "not using MSI-X\n", err); |
| 707 | goto no_msi; |
| 708 | } |
| 709 | |
| 710 | for (i = 0; i < MLX4_NUM_EQ; ++i) |
| 711 | priv->eq_table.eq[i].irq = entries[i].vector; |
| 712 | |
| 713 | dev->flags |= MLX4_FLAG_MSI_X; |
| 714 | return; |
| 715 | } |
| 716 | |
| 717 | no_msi: |
| 718 | for (i = 0; i < MLX4_NUM_EQ; ++i) |
| 719 | priv->eq_table.eq[i].irq = dev->pdev->irq; |
| 720 | } |
| 721 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 722 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 723 | { |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 724 | struct mlx4_priv *priv; |
| 725 | struct mlx4_dev *dev; |
| 726 | int err; |
| 727 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 728 | printk(KERN_INFO PFX "Initializing %s\n", |
| 729 | pci_name(pdev)); |
| 730 | |
| 731 | err = pci_enable_device(pdev); |
| 732 | if (err) { |
| 733 | dev_err(&pdev->dev, "Cannot enable PCI device, " |
| 734 | "aborting.\n"); |
| 735 | return err; |
| 736 | } |
| 737 | |
| 738 | /* |
| 739 | * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not |
| 740 | * be present) |
| 741 | */ |
| 742 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || |
| 743 | pci_resource_len(pdev, 0) != 1 << 20) { |
| 744 | dev_err(&pdev->dev, "Missing DCS, aborting.\n"); |
| 745 | err = -ENODEV; |
| 746 | goto err_disable_pdev; |
| 747 | } |
| 748 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
| 749 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); |
| 750 | err = -ENODEV; |
| 751 | goto err_disable_pdev; |
| 752 | } |
| 753 | |
| 754 | err = pci_request_region(pdev, 0, DRV_NAME); |
| 755 | if (err) { |
| 756 | dev_err(&pdev->dev, "Cannot request control region, aborting.\n"); |
| 757 | goto err_disable_pdev; |
| 758 | } |
| 759 | |
| 760 | err = pci_request_region(pdev, 2, DRV_NAME); |
| 761 | if (err) { |
| 762 | dev_err(&pdev->dev, "Cannot request UAR region, aborting.\n"); |
| 763 | goto err_release_bar0; |
| 764 | } |
| 765 | |
| 766 | pci_set_master(pdev); |
| 767 | |
| 768 | err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); |
| 769 | if (err) { |
| 770 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); |
| 771 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 772 | if (err) { |
| 773 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); |
| 774 | goto err_release_bar2; |
| 775 | } |
| 776 | } |
| 777 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 778 | if (err) { |
| 779 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " |
| 780 | "consistent PCI DMA mask.\n"); |
| 781 | err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); |
| 782 | if (err) { |
| 783 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " |
| 784 | "aborting.\n"); |
| 785 | goto err_release_bar2; |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | priv = kzalloc(sizeof *priv, GFP_KERNEL); |
| 790 | if (!priv) { |
| 791 | dev_err(&pdev->dev, "Device struct alloc failed, " |
| 792 | "aborting.\n"); |
| 793 | err = -ENOMEM; |
| 794 | goto err_release_bar2; |
| 795 | } |
| 796 | |
| 797 | dev = &priv->dev; |
| 798 | dev->pdev = pdev; |
Roland Dreier | b581401 | 2007-06-07 11:51:58 -0700 | [diff] [blame] | 799 | INIT_LIST_HEAD(&priv->ctx_list); |
| 800 | spin_lock_init(&priv->ctx_lock); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 801 | |
| 802 | /* |
| 803 | * Now reset the HCA before we touch the PCI capabilities or |
| 804 | * attempt a firmware command, since a boot ROM may have left |
| 805 | * the HCA in an undefined state. |
| 806 | */ |
| 807 | err = mlx4_reset(dev); |
| 808 | if (err) { |
| 809 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); |
| 810 | goto err_free_dev; |
| 811 | } |
| 812 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 813 | if (mlx4_cmd_init(dev)) { |
| 814 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); |
| 815 | goto err_free_dev; |
| 816 | } |
| 817 | |
| 818 | err = mlx4_init_hca(dev); |
| 819 | if (err) |
| 820 | goto err_cmd; |
| 821 | |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 822 | mlx4_enable_msi_x(dev); |
| 823 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 824 | err = mlx4_setup_hca(dev); |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 825 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) { |
| 826 | dev->flags &= ~MLX4_FLAG_MSI_X; |
| 827 | pci_disable_msix(pdev); |
| 828 | err = mlx4_setup_hca(dev); |
| 829 | } |
| 830 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 831 | if (err) |
| 832 | goto err_close; |
| 833 | |
| 834 | err = mlx4_register_device(dev); |
| 835 | if (err) |
| 836 | goto err_cleanup; |
| 837 | |
| 838 | pci_set_drvdata(pdev, dev); |
| 839 | |
| 840 | return 0; |
| 841 | |
| 842 | err_cleanup: |
| 843 | mlx4_cleanup_mcg_table(dev); |
| 844 | mlx4_cleanup_qp_table(dev); |
| 845 | mlx4_cleanup_srq_table(dev); |
| 846 | mlx4_cleanup_cq_table(dev); |
| 847 | mlx4_cmd_use_polling(dev); |
| 848 | mlx4_cleanup_eq_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 849 | mlx4_cleanup_mr_table(dev); |
| 850 | mlx4_cleanup_pd_table(dev); |
| 851 | mlx4_cleanup_uar_table(dev); |
| 852 | |
| 853 | err_close: |
Michael S. Tsirkin | 08fb105 | 2007-08-07 16:08:28 +0300 | [diff] [blame] | 854 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 855 | pci_disable_msix(pdev); |
| 856 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 857 | mlx4_close_hca(dev); |
| 858 | |
| 859 | err_cmd: |
| 860 | mlx4_cmd_cleanup(dev); |
| 861 | |
| 862 | err_free_dev: |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 863 | kfree(priv); |
| 864 | |
| 865 | err_release_bar2: |
| 866 | pci_release_region(pdev, 2); |
| 867 | |
| 868 | err_release_bar0: |
| 869 | pci_release_region(pdev, 0); |
| 870 | |
| 871 | err_disable_pdev: |
| 872 | pci_disable_device(pdev); |
| 873 | pci_set_drvdata(pdev, NULL); |
| 874 | return err; |
| 875 | } |
| 876 | |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 877 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
| 878 | const struct pci_device_id *id) |
| 879 | { |
| 880 | static int mlx4_version_printed; |
| 881 | |
| 882 | if (!mlx4_version_printed) { |
| 883 | printk(KERN_INFO "%s", mlx4_version); |
| 884 | ++mlx4_version_printed; |
| 885 | } |
| 886 | |
Roland Dreier | b027cac | 2007-10-13 14:10:50 -0700 | [diff] [blame] | 887 | return __mlx4_init_one(pdev, id); |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | static void mlx4_remove_one(struct pci_dev *pdev) |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 891 | { |
| 892 | struct mlx4_dev *dev = pci_get_drvdata(pdev); |
| 893 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 894 | int p; |
| 895 | |
| 896 | if (dev) { |
| 897 | mlx4_unregister_device(dev); |
| 898 | |
| 899 | for (p = 1; p <= dev->caps.num_ports; ++p) |
| 900 | mlx4_CLOSE_PORT(dev, p); |
| 901 | |
| 902 | mlx4_cleanup_mcg_table(dev); |
| 903 | mlx4_cleanup_qp_table(dev); |
| 904 | mlx4_cleanup_srq_table(dev); |
| 905 | mlx4_cleanup_cq_table(dev); |
| 906 | mlx4_cmd_use_polling(dev); |
| 907 | mlx4_cleanup_eq_table(dev); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 908 | mlx4_cleanup_mr_table(dev); |
| 909 | mlx4_cleanup_pd_table(dev); |
| 910 | |
| 911 | iounmap(priv->kar); |
| 912 | mlx4_uar_free(dev, &priv->driver_uar); |
| 913 | mlx4_cleanup_uar_table(dev); |
| 914 | mlx4_close_hca(dev); |
| 915 | mlx4_cmd_cleanup(dev); |
| 916 | |
| 917 | if (dev->flags & MLX4_FLAG_MSI_X) |
| 918 | pci_disable_msix(pdev); |
| 919 | |
| 920 | kfree(priv); |
| 921 | pci_release_region(pdev, 2); |
| 922 | pci_release_region(pdev, 0); |
| 923 | pci_disable_device(pdev); |
| 924 | pci_set_drvdata(pdev, NULL); |
| 925 | } |
| 926 | } |
| 927 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 928 | int mlx4_restart_one(struct pci_dev *pdev) |
| 929 | { |
| 930 | mlx4_remove_one(pdev); |
Roland Dreier | 3d73c28 | 2007-10-10 15:43:54 -0700 | [diff] [blame] | 931 | return __mlx4_init_one(pdev, NULL); |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 932 | } |
| 933 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 934 | static struct pci_device_id mlx4_pci_table[] = { |
| 935 | { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */ |
| 936 | { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */ |
| 937 | { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */ |
Jack Morgenstein | 786f238 | 2007-07-02 17:36:18 +0300 | [diff] [blame] | 938 | { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */ |
| 939 | { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */ |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 940 | { 0, } |
| 941 | }; |
| 942 | |
| 943 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); |
| 944 | |
| 945 | static struct pci_driver mlx4_driver = { |
| 946 | .name = DRV_NAME, |
| 947 | .id_table = mlx4_pci_table, |
| 948 | .probe = mlx4_init_one, |
| 949 | .remove = __devexit_p(mlx4_remove_one) |
| 950 | }; |
| 951 | |
| 952 | static int __init mlx4_init(void) |
| 953 | { |
| 954 | int ret; |
| 955 | |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 956 | ret = mlx4_catas_init(); |
| 957 | if (ret) |
| 958 | return ret; |
| 959 | |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 960 | ret = pci_register_driver(&mlx4_driver); |
| 961 | return ret < 0 ? ret : 0; |
| 962 | } |
| 963 | |
| 964 | static void __exit mlx4_cleanup(void) |
| 965 | { |
| 966 | pci_unregister_driver(&mlx4_driver); |
Jack Morgenstein | ee49bd9 | 2007-07-12 17:50:45 +0300 | [diff] [blame] | 967 | mlx4_catas_cleanup(); |
Roland Dreier | 225c7b1 | 2007-05-08 18:00:38 -0700 | [diff] [blame] | 968 | } |
| 969 | |
| 970 | module_init(mlx4_init); |
| 971 | module_exit(mlx4_cleanup); |