Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
Tom Duffy | cd4e8fb | 2005-06-27 14:36:37 -0700 | [diff] [blame] | 3 | * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. |
Roland Dreier | 2a1d9b7 | 2005-08-10 23:03:10 -0700 | [diff] [blame] | 4 | * Copyright (c) 2005 Mellanox Technologies. All rights reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 5 | * |
| 6 | * This software is available to you under a choice of one of two |
| 7 | * licenses. You may choose to be licensed under the terms of the GNU |
| 8 | * General Public License (GPL) Version 2, available from the file |
| 9 | * COPYING in the main directory of this source tree, or the |
| 10 | * OpenIB.org BSD license below: |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or |
| 13 | * without modification, are permitted provided that the following |
| 14 | * conditions are met: |
| 15 | * |
| 16 | * - Redistributions of source code must retain the above |
| 17 | * copyright notice, this list of conditions and the following |
| 18 | * disclaimer. |
| 19 | * |
| 20 | * - Redistributions in binary form must reproduce the above |
| 21 | * copyright notice, this list of conditions and the following |
| 22 | * disclaimer in the documentation and/or other materials |
| 23 | * provided with the distribution. |
| 24 | * |
| 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 26 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 27 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 28 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 29 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 30 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 31 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 32 | * SOFTWARE. |
| 33 | * |
| 34 | * $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $ |
| 35 | */ |
| 36 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | #include <linux/module.h> |
| 38 | #include <linux/init.h> |
| 39 | #include <linux/errno.h> |
| 40 | #include <linux/pci.h> |
| 41 | #include <linux/interrupt.h> |
| 42 | |
| 43 | #include "mthca_dev.h" |
| 44 | #include "mthca_config_reg.h" |
| 45 | #include "mthca_cmd.h" |
| 46 | #include "mthca_profile.h" |
| 47 | #include "mthca_memfree.h" |
| 48 | |
| 49 | MODULE_AUTHOR("Roland Dreier"); |
| 50 | MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver"); |
| 51 | MODULE_LICENSE("Dual BSD/GPL"); |
| 52 | MODULE_VERSION(DRV_VERSION); |
| 53 | |
Roland Dreier | 227c939 | 2006-04-02 14:39:20 -0700 | [diff] [blame] | 54 | #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG |
| 55 | |
| 56 | int mthca_debug_level = 0; |
| 57 | module_param_named(debug_level, mthca_debug_level, int, 0644); |
| 58 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); |
| 59 | |
| 60 | #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */ |
| 61 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | #ifdef CONFIG_PCI_MSI |
| 63 | |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 64 | static int msi_x = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | module_param(msi_x, int, 0444); |
| 66 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); |
| 67 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | #else /* CONFIG_PCI_MSI */ |
| 69 | |
| 70 | #define msi_x (0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | |
| 72 | #endif /* CONFIG_PCI_MSI */ |
| 73 | |
Michael S. Tsirkin | abf45db | 2006-04-05 15:47:16 +0300 | [diff] [blame] | 74 | static int tune_pci = 0; |
| 75 | module_param(tune_pci, int, 0444); |
| 76 | MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero"); |
| 77 | |
Roland Dreier | 0b0df6f | 2006-12-15 20:55:28 -0800 | [diff] [blame] | 78 | DEFINE_MUTEX(mthca_device_mutex); |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 79 | |
Leonid Arsh | 82da703 | 2006-12-10 13:40:17 +0200 | [diff] [blame] | 80 | #define MTHCA_DEFAULT_NUM_QP (1 << 16) |
| 81 | #define MTHCA_DEFAULT_RDB_PER_QP (1 << 2) |
| 82 | #define MTHCA_DEFAULT_NUM_CQ (1 << 16) |
| 83 | #define MTHCA_DEFAULT_NUM_MCG (1 << 13) |
| 84 | #define MTHCA_DEFAULT_NUM_MPT (1 << 17) |
| 85 | #define MTHCA_DEFAULT_NUM_MTT (1 << 20) |
| 86 | #define MTHCA_DEFAULT_NUM_UDAV (1 << 15) |
| 87 | #define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18) |
| 88 | #define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18) |
| 89 | |
| 90 | static struct mthca_profile hca_profile = { |
| 91 | .num_qp = MTHCA_DEFAULT_NUM_QP, |
| 92 | .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP, |
| 93 | .num_cq = MTHCA_DEFAULT_NUM_CQ, |
| 94 | .num_mcg = MTHCA_DEFAULT_NUM_MCG, |
| 95 | .num_mpt = MTHCA_DEFAULT_NUM_MPT, |
| 96 | .num_mtt = MTHCA_DEFAULT_NUM_MTT, |
| 97 | .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */ |
| 98 | .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */ |
| 99 | .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */ |
| 100 | }; |
| 101 | |
| 102 | module_param_named(num_qp, hca_profile.num_qp, int, 0444); |
| 103 | MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA"); |
| 104 | |
| 105 | module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444); |
| 106 | MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP"); |
| 107 | |
| 108 | module_param_named(num_cq, hca_profile.num_cq, int, 0444); |
| 109 | MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA"); |
| 110 | |
| 111 | module_param_named(num_mcg, hca_profile.num_mcg, int, 0444); |
| 112 | MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA"); |
| 113 | |
| 114 | module_param_named(num_mpt, hca_profile.num_mpt, int, 0444); |
| 115 | MODULE_PARM_DESC(num_mpt, |
| 116 | "maximum number of memory protection table entries per HCA"); |
| 117 | |
| 118 | module_param_named(num_mtt, hca_profile.num_mtt, int, 0444); |
| 119 | MODULE_PARM_DESC(num_mtt, |
| 120 | "maximum number of memory translation table segments per HCA"); |
| 121 | |
| 122 | module_param_named(num_udav, hca_profile.num_udav, int, 0444); |
| 123 | MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA"); |
| 124 | |
| 125 | module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444); |
| 126 | MODULE_PARM_DESC(fmr_reserved_mtts, |
| 127 | "number of memory translation table segments reserved for FMR"); |
| 128 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | static const char mthca_version[] __devinitdata = |
Bernhard Fischer | 177214a | 2005-06-27 14:36:39 -0700 | [diff] [blame] | 130 | DRV_NAME ": Mellanox InfiniBand HCA driver v" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | DRV_VERSION " (" DRV_RELDATE ")\n"; |
| 132 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 133 | static int mthca_tune_pci(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 134 | { |
Michael S. Tsirkin | abf45db | 2006-04-05 15:47:16 +0300 | [diff] [blame] | 135 | if (!tune_pci) |
| 136 | return 0; |
| 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | /* First try to max out Read Byte Count */ |
Peter Oruba | a855b1a | 2007-08-10 13:54:33 -0700 | [diff] [blame] | 139 | if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) { |
| 140 | if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) { |
| 141 | mthca_err(mdev, "Couldn't set PCI-X max read count, " |
| 142 | "aborting.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | return -ENODEV; |
| 144 | } |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 145 | } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | mthca_info(mdev, "No PCI-X capability, not setting RBC.\n"); |
| 147 | |
Peter Oruba | a855b1a | 2007-08-10 13:54:33 -0700 | [diff] [blame] | 148 | if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) { |
| 149 | if (pcie_set_readrq(mdev->pdev, 4096)) { |
| 150 | mthca_err(mdev, "Couldn't write PCI Express read request, " |
| 151 | "aborting.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | return -ENODEV; |
| 153 | } |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 154 | } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | mthca_info(mdev, "No PCI Express capability, " |
| 156 | "not setting Max Read Request Size.\n"); |
| 157 | |
| 158 | return 0; |
| 159 | } |
| 160 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 161 | static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | { |
| 163 | int err; |
| 164 | u8 status; |
| 165 | |
| 166 | err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status); |
| 167 | if (err) { |
| 168 | mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); |
| 169 | return err; |
| 170 | } |
| 171 | if (status) { |
| 172 | mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, " |
| 173 | "aborting.\n", status); |
| 174 | return -EINVAL; |
| 175 | } |
| 176 | if (dev_lim->min_page_sz > PAGE_SIZE) { |
| 177 | mthca_err(mdev, "HCA minimum page size of %d bigger than " |
| 178 | "kernel PAGE_SIZE of %ld, aborting.\n", |
| 179 | dev_lim->min_page_sz, PAGE_SIZE); |
| 180 | return -ENODEV; |
| 181 | } |
| 182 | if (dev_lim->num_ports > MTHCA_MAX_PORTS) { |
| 183 | mthca_err(mdev, "HCA has %d ports, but we only support %d, " |
| 184 | "aborting.\n", |
| 185 | dev_lim->num_ports, MTHCA_MAX_PORTS); |
| 186 | return -ENODEV; |
| 187 | } |
| 188 | |
Michael S. Tsirkin | cbd2981 | 2006-01-30 15:20:35 -0800 | [diff] [blame] | 189 | if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) { |
| 190 | mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than " |
Greg Kroah-Hartman | e29419f | 2006-06-12 15:20:16 -0700 | [diff] [blame] | 191 | "PCI resource 2 size of 0x%llx, aborting.\n", |
| 192 | dev_lim->uar_size, |
| 193 | (unsigned long long)pci_resource_len(mdev->pdev, 2)); |
Michael S. Tsirkin | cbd2981 | 2006-01-30 15:20:35 -0800 | [diff] [blame] | 194 | return -ENODEV; |
| 195 | } |
| 196 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | mdev->limits.num_ports = dev_lim->num_ports; |
| 198 | mdev->limits.vl_cap = dev_lim->max_vl; |
| 199 | mdev->limits.mtu_cap = dev_lim->max_mtu; |
| 200 | mdev->limits.gid_table_len = dev_lim->max_gids; |
| 201 | mdev->limits.pkey_table_len = dev_lim->max_pkeys; |
| 202 | mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay; |
| 203 | mdev->limits.max_sg = dev_lim->max_sg; |
Jack Morgenstein | efaae8f | 2005-10-10 13:48:07 -0700 | [diff] [blame] | 204 | mdev->limits.max_wqes = dev_lim->max_qp_sz; |
| 205 | mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 206 | mdev->limits.reserved_qps = dev_lim->reserved_qps; |
Jack Morgenstein | efaae8f | 2005-10-10 13:48:07 -0700 | [diff] [blame] | 207 | mdev->limits.max_srq_wqes = dev_lim->max_srq_sz; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | mdev->limits.reserved_srqs = dev_lim->reserved_srqs; |
| 209 | mdev->limits.reserved_eecs = dev_lim->reserved_eecs; |
Jack Morgenstein | 77369ed | 2005-11-09 11:26:07 -0800 | [diff] [blame] | 210 | mdev->limits.max_desc_sz = dev_lim->max_desc_sz; |
Jack Morgenstein | 59fef3b | 2006-04-11 18:16:27 +0300 | [diff] [blame] | 211 | mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev); |
Jack Morgenstein | efaae8f | 2005-10-10 13:48:07 -0700 | [diff] [blame] | 212 | /* |
| 213 | * Subtract 1 from the limit because we need to allocate a |
| 214 | * spare CQE so the HCA HW can tell the difference between an |
| 215 | * empty CQ and a full CQ. |
| 216 | */ |
| 217 | mdev->limits.max_cqes = dev_lim->max_cq_sz - 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 218 | mdev->limits.reserved_cqs = dev_lim->reserved_cqs; |
| 219 | mdev->limits.reserved_eqs = dev_lim->reserved_eqs; |
| 220 | mdev->limits.reserved_mtts = dev_lim->reserved_mtts; |
| 221 | mdev->limits.reserved_mrws = dev_lim->reserved_mrws; |
| 222 | mdev->limits.reserved_uars = dev_lim->reserved_uars; |
| 223 | mdev->limits.reserved_pds = dev_lim->reserved_pds; |
Roland Dreier | da6561c | 2005-08-17 07:39:10 -0700 | [diff] [blame] | 224 | mdev->limits.port_width_cap = dev_lim->max_port_width; |
Jack Morgenstein | 0f69ce1 | 2005-11-04 16:03:32 -0800 | [diff] [blame] | 225 | mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1); |
Jack Morgenstein | 33033b7 | 2005-09-26 12:30:02 -0700 | [diff] [blame] | 226 | mdev->limits.flags = dev_lim->flags; |
Jack Morgenstein | bf6a9e3 | 2006-04-10 09:43:47 -0700 | [diff] [blame] | 227 | /* |
| 228 | * For old FW that doesn't return static rate support, use a |
| 229 | * value of 0x3 (only static rate values of 0 or 1 are handled), |
| 230 | * except on Sinai, where even old FW can handle static rate |
| 231 | * values of 2 and 3. |
| 232 | */ |
| 233 | if (dev_lim->stat_rate_support) |
| 234 | mdev->limits.stat_rate_support = dev_lim->stat_rate_support; |
| 235 | else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT) |
| 236 | mdev->limits.stat_rate_support = 0xf; |
| 237 | else |
| 238 | mdev->limits.stat_rate_support = 0x3; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | |
| 240 | /* IB_DEVICE_RESIZE_MAX_WR not supported by driver. |
| 241 | May be doable since hardware supports it for SRQ. |
| 242 | |
| 243 | IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver. |
| 244 | |
| 245 | IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not |
| 246 | supported by driver. */ |
| 247 | mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
| 248 | IB_DEVICE_PORT_ACTIVE_EVENT | |
| 249 | IB_DEVICE_SYS_IMAGE_GUID | |
| 250 | IB_DEVICE_RC_RNR_NAK_GEN; |
| 251 | |
| 252 | if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR) |
| 253 | mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
| 254 | |
| 255 | if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR) |
| 256 | mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
| 257 | |
| 258 | if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI) |
| 259 | mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI; |
| 260 | |
| 261 | if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG) |
| 262 | mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
| 263 | |
| 264 | if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE) |
| 265 | mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; |
| 266 | |
| 267 | if (dev_lim->flags & DEV_LIM_FLAG_SRQ) |
| 268 | mdev->mthca_flags |= MTHCA_FLAG_SRQ; |
| 269 | |
| 270 | return 0; |
| 271 | } |
| 272 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 273 | static int mthca_init_tavor(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | { |
| 275 | u8 status; |
| 276 | int err; |
| 277 | struct mthca_dev_lim dev_lim; |
| 278 | struct mthca_profile profile; |
| 279 | struct mthca_init_hca_param init_hca; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | |
| 281 | err = mthca_SYS_EN(mdev, &status); |
| 282 | if (err) { |
| 283 | mthca_err(mdev, "SYS_EN command failed, aborting.\n"); |
| 284 | return err; |
| 285 | } |
| 286 | if (status) { |
| 287 | mthca_err(mdev, "SYS_EN returned status 0x%02x, " |
| 288 | "aborting.\n", status); |
| 289 | return -EINVAL; |
| 290 | } |
| 291 | |
| 292 | err = mthca_QUERY_FW(mdev, &status); |
| 293 | if (err) { |
| 294 | mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); |
| 295 | goto err_disable; |
| 296 | } |
| 297 | if (status) { |
| 298 | mthca_err(mdev, "QUERY_FW returned status 0x%02x, " |
| 299 | "aborting.\n", status); |
| 300 | err = -EINVAL; |
| 301 | goto err_disable; |
| 302 | } |
| 303 | err = mthca_QUERY_DDR(mdev, &status); |
| 304 | if (err) { |
| 305 | mthca_err(mdev, "QUERY_DDR command failed, aborting.\n"); |
| 306 | goto err_disable; |
| 307 | } |
| 308 | if (status) { |
| 309 | mthca_err(mdev, "QUERY_DDR returned status 0x%02x, " |
| 310 | "aborting.\n", status); |
| 311 | err = -EINVAL; |
| 312 | goto err_disable; |
| 313 | } |
| 314 | |
| 315 | err = mthca_dev_lim(mdev, &dev_lim); |
Jack Morgenstein | aa2f936 | 2006-01-05 16:12:01 -0800 | [diff] [blame] | 316 | if (err) { |
| 317 | mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); |
| 318 | goto err_disable; |
| 319 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | |
Leonid Arsh | 82da703 | 2006-12-10 13:40:17 +0200 | [diff] [blame] | 321 | profile = hca_profile; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | profile.num_uar = dev_lim.uar_size / PAGE_SIZE; |
| 323 | profile.uarc_size = 0; |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 324 | if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
| 325 | profile.num_srq = dev_lim.max_srqs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | |
| 327 | err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); |
| 328 | if (err < 0) |
| 329 | goto err_disable; |
| 330 | |
| 331 | err = mthca_INIT_HCA(mdev, &init_hca, &status); |
| 332 | if (err) { |
| 333 | mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); |
| 334 | goto err_disable; |
| 335 | } |
| 336 | if (status) { |
| 337 | mthca_err(mdev, "INIT_HCA returned status 0x%02x, " |
| 338 | "aborting.\n", status); |
| 339 | err = -EINVAL; |
| 340 | goto err_disable; |
| 341 | } |
| 342 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | return 0; |
| 344 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | err_disable: |
| 346 | mthca_SYS_DIS(mdev, &status); |
| 347 | |
| 348 | return err; |
| 349 | } |
| 350 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 351 | static int mthca_load_fw(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | { |
| 353 | u8 status; |
| 354 | int err; |
| 355 | |
| 356 | /* FIXME: use HCA-attached memory for FW if present */ |
| 357 | |
| 358 | mdev->fw.arbel.fw_icm = |
| 359 | mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 360 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | if (!mdev->fw.arbel.fw_icm) { |
| 362 | mthca_err(mdev, "Couldn't allocate FW area, aborting.\n"); |
| 363 | return -ENOMEM; |
| 364 | } |
| 365 | |
| 366 | err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status); |
| 367 | if (err) { |
| 368 | mthca_err(mdev, "MAP_FA command failed, aborting.\n"); |
| 369 | goto err_free; |
| 370 | } |
| 371 | if (status) { |
| 372 | mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status); |
| 373 | err = -EINVAL; |
| 374 | goto err_free; |
| 375 | } |
| 376 | err = mthca_RUN_FW(mdev, &status); |
| 377 | if (err) { |
| 378 | mthca_err(mdev, "RUN_FW command failed, aborting.\n"); |
| 379 | goto err_unmap_fa; |
| 380 | } |
| 381 | if (status) { |
| 382 | mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status); |
| 383 | err = -EINVAL; |
| 384 | goto err_unmap_fa; |
| 385 | } |
| 386 | |
| 387 | return 0; |
| 388 | |
| 389 | err_unmap_fa: |
| 390 | mthca_UNMAP_FA(mdev, &status); |
| 391 | |
| 392 | err_free: |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 393 | mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | return err; |
| 395 | } |
| 396 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 397 | static int mthca_init_icm(struct mthca_dev *mdev, |
| 398 | struct mthca_dev_lim *dev_lim, |
| 399 | struct mthca_init_hca_param *init_hca, |
| 400 | u64 icm_size) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | { |
| 402 | u64 aux_pages; |
| 403 | u8 status; |
| 404 | int err; |
| 405 | |
| 406 | err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status); |
| 407 | if (err) { |
| 408 | mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n"); |
| 409 | return err; |
| 410 | } |
| 411 | if (status) { |
| 412 | mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, " |
| 413 | "aborting.\n", status); |
| 414 | return -EINVAL; |
| 415 | } |
| 416 | |
| 417 | mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n", |
| 418 | (unsigned long long) icm_size >> 10, |
| 419 | (unsigned long long) aux_pages << 2); |
| 420 | |
| 421 | mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 422 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | if (!mdev->fw.arbel.aux_icm) { |
| 424 | mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n"); |
| 425 | return -ENOMEM; |
| 426 | } |
| 427 | |
| 428 | err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status); |
| 429 | if (err) { |
| 430 | mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n"); |
| 431 | goto err_free_aux; |
| 432 | } |
| 433 | if (status) { |
| 434 | mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status); |
| 435 | err = -EINVAL; |
| 436 | goto err_free_aux; |
| 437 | } |
| 438 | |
| 439 | err = mthca_map_eq_icm(mdev, init_hca->eqc_base); |
| 440 | if (err) { |
| 441 | mthca_err(mdev, "Failed to map EQ context memory, aborting.\n"); |
| 442 | goto err_unmap_aux; |
| 443 | } |
| 444 | |
Michael S. Tsirkin | 1d1f19c | 2007-02-10 23:17:26 +0200 | [diff] [blame] | 445 | /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */ |
| 446 | mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE, |
| 447 | dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE; |
| 448 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 449 | mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base, |
Roland Dreier | 44ea668 | 2005-04-16 15:26:24 -0700 | [diff] [blame] | 450 | MTHCA_MTT_SEG_SIZE, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | mdev->limits.num_mtt_segs, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 452 | mdev->limits.reserved_mtts, |
| 453 | 1, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | if (!mdev->mr_table.mtt_table) { |
| 455 | mthca_err(mdev, "Failed to map MTT context memory, aborting.\n"); |
| 456 | err = -ENOMEM; |
| 457 | goto err_unmap_eq; |
| 458 | } |
| 459 | |
| 460 | mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base, |
| 461 | dev_lim->mpt_entry_sz, |
| 462 | mdev->limits.num_mpts, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 463 | mdev->limits.reserved_mrws, |
| 464 | 1, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 465 | if (!mdev->mr_table.mpt_table) { |
| 466 | mthca_err(mdev, "Failed to map MPT context memory, aborting.\n"); |
| 467 | err = -ENOMEM; |
| 468 | goto err_unmap_mtt; |
| 469 | } |
| 470 | |
| 471 | mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base, |
| 472 | dev_lim->qpc_entry_sz, |
| 473 | mdev->limits.num_qps, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 474 | mdev->limits.reserved_qps, |
| 475 | 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | if (!mdev->qp_table.qp_table) { |
| 477 | mthca_err(mdev, "Failed to map QP context memory, aborting.\n"); |
| 478 | err = -ENOMEM; |
| 479 | goto err_unmap_mpt; |
| 480 | } |
| 481 | |
| 482 | mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base, |
| 483 | dev_lim->eqpc_entry_sz, |
| 484 | mdev->limits.num_qps, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 485 | mdev->limits.reserved_qps, |
| 486 | 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | if (!mdev->qp_table.eqp_table) { |
| 488 | mthca_err(mdev, "Failed to map EQP context memory, aborting.\n"); |
| 489 | err = -ENOMEM; |
| 490 | goto err_unmap_qp; |
| 491 | } |
| 492 | |
Roland Dreier | 08aeb14 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 493 | mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base, |
| 494 | MTHCA_RDB_ENTRY_SIZE, |
| 495 | mdev->limits.num_qps << |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 496 | mdev->qp_table.rdb_shift, 0, |
Roland Dreier | 08aeb14 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 497 | 0, 0); |
| 498 | if (!mdev->qp_table.rdb_table) { |
| 499 | mthca_err(mdev, "Failed to map RDB context memory, aborting\n"); |
| 500 | err = -ENOMEM; |
Roland Dreier | 19272d4 | 2005-04-16 15:26:35 -0700 | [diff] [blame] | 501 | goto err_unmap_eqp; |
Roland Dreier | 08aeb14 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base, |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 505 | dev_lim->cqc_entry_sz, |
| 506 | mdev->limits.num_cqs, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 507 | mdev->limits.reserved_cqs, |
| 508 | 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 509 | if (!mdev->cq_table.table) { |
| 510 | mthca_err(mdev, "Failed to map CQ context memory, aborting.\n"); |
| 511 | err = -ENOMEM; |
Roland Dreier | 08aeb14 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 512 | goto err_unmap_rdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | } |
| 514 | |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 515 | if (mdev->mthca_flags & MTHCA_FLAG_SRQ) { |
| 516 | mdev->srq_table.table = |
| 517 | mthca_alloc_icm_table(mdev, init_hca->srqc_base, |
| 518 | dev_lim->srq_entry_sz, |
| 519 | mdev->limits.num_srqs, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 520 | mdev->limits.reserved_srqs, |
| 521 | 0, 0); |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 522 | if (!mdev->srq_table.table) { |
| 523 | mthca_err(mdev, "Failed to map SRQ context memory, " |
| 524 | "aborting.\n"); |
| 525 | err = -ENOMEM; |
| 526 | goto err_unmap_cq; |
| 527 | } |
| 528 | } |
| 529 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | /* |
| 531 | * It's not strictly required, but for simplicity just map the |
| 532 | * whole multicast group table now. The table isn't very big |
| 533 | * and it's a lot easier than trying to track ref counts. |
| 534 | */ |
| 535 | mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base, |
| 536 | MTHCA_MGM_ENTRY_SIZE, |
| 537 | mdev->limits.num_mgms + |
| 538 | mdev->limits.num_amgms, |
| 539 | mdev->limits.num_mgms + |
| 540 | mdev->limits.num_amgms, |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 541 | 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 542 | if (!mdev->mcg_table.table) { |
| 543 | mthca_err(mdev, "Failed to map MCG context memory, aborting.\n"); |
| 544 | err = -ENOMEM; |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 545 | goto err_unmap_srq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | return 0; |
| 549 | |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 550 | err_unmap_srq: |
| 551 | if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
| 552 | mthca_free_icm_table(mdev, mdev->srq_table.table); |
| 553 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 554 | err_unmap_cq: |
| 555 | mthca_free_icm_table(mdev, mdev->cq_table.table); |
| 556 | |
Roland Dreier | 08aeb14 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 557 | err_unmap_rdb: |
| 558 | mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); |
| 559 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | err_unmap_eqp: |
| 561 | mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); |
| 562 | |
| 563 | err_unmap_qp: |
| 564 | mthca_free_icm_table(mdev, mdev->qp_table.qp_table); |
| 565 | |
| 566 | err_unmap_mpt: |
| 567 | mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); |
| 568 | |
| 569 | err_unmap_mtt: |
| 570 | mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); |
| 571 | |
| 572 | err_unmap_eq: |
| 573 | mthca_unmap_eq_icm(mdev); |
| 574 | |
| 575 | err_unmap_aux: |
| 576 | mthca_UNMAP_ICM_AUX(mdev, &status); |
| 577 | |
| 578 | err_free_aux: |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 579 | mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | |
| 581 | return err; |
| 582 | } |
| 583 | |
Michael S. Tsirkin | aba7a22 | 2005-09-30 13:55:50 -0700 | [diff] [blame] | 584 | static void mthca_free_icms(struct mthca_dev *mdev) |
| 585 | { |
| 586 | u8 status; |
| 587 | |
| 588 | mthca_free_icm_table(mdev, mdev->mcg_table.table); |
| 589 | if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
| 590 | mthca_free_icm_table(mdev, mdev->srq_table.table); |
| 591 | mthca_free_icm_table(mdev, mdev->cq_table.table); |
| 592 | mthca_free_icm_table(mdev, mdev->qp_table.rdb_table); |
| 593 | mthca_free_icm_table(mdev, mdev->qp_table.eqp_table); |
| 594 | mthca_free_icm_table(mdev, mdev->qp_table.qp_table); |
| 595 | mthca_free_icm_table(mdev, mdev->mr_table.mpt_table); |
| 596 | mthca_free_icm_table(mdev, mdev->mr_table.mtt_table); |
| 597 | mthca_unmap_eq_icm(mdev); |
| 598 | |
| 599 | mthca_UNMAP_ICM_AUX(mdev, &status); |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 600 | mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); |
Michael S. Tsirkin | aba7a22 | 2005-09-30 13:55:50 -0700 | [diff] [blame] | 601 | } |
| 602 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 603 | static int mthca_init_arbel(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | { |
| 605 | struct mthca_dev_lim dev_lim; |
| 606 | struct mthca_profile profile; |
| 607 | struct mthca_init_hca_param init_hca; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | u64 icm_size; |
| 609 | u8 status; |
| 610 | int err; |
| 611 | |
| 612 | err = mthca_QUERY_FW(mdev, &status); |
| 613 | if (err) { |
| 614 | mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); |
| 615 | return err; |
| 616 | } |
| 617 | if (status) { |
| 618 | mthca_err(mdev, "QUERY_FW returned status 0x%02x, " |
| 619 | "aborting.\n", status); |
| 620 | return -EINVAL; |
| 621 | } |
| 622 | |
| 623 | err = mthca_ENABLE_LAM(mdev, &status); |
| 624 | if (err) { |
| 625 | mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n"); |
| 626 | return err; |
| 627 | } |
| 628 | if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) { |
| 629 | mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n"); |
| 630 | mdev->mthca_flags |= MTHCA_FLAG_NO_LAM; |
| 631 | } else if (status) { |
| 632 | mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, " |
| 633 | "aborting.\n", status); |
| 634 | return -EINVAL; |
| 635 | } |
| 636 | |
| 637 | err = mthca_load_fw(mdev); |
| 638 | if (err) { |
| 639 | mthca_err(mdev, "Failed to start FW, aborting.\n"); |
| 640 | goto err_disable; |
| 641 | } |
| 642 | |
| 643 | err = mthca_dev_lim(mdev, &dev_lim); |
| 644 | if (err) { |
| 645 | mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); |
| 646 | goto err_stop_fw; |
| 647 | } |
| 648 | |
Leonid Arsh | 82da703 | 2006-12-10 13:40:17 +0200 | [diff] [blame] | 649 | profile = hca_profile; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | profile.num_uar = dev_lim.uar_size / PAGE_SIZE; |
| 651 | profile.num_udav = 0; |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 652 | if (mdev->mthca_flags & MTHCA_FLAG_SRQ) |
| 653 | profile.num_srq = dev_lim.max_srqs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 654 | |
| 655 | icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca); |
| 656 | if ((int) icm_size < 0) { |
| 657 | err = icm_size; |
| 658 | goto err_stop_fw; |
| 659 | } |
| 660 | |
| 661 | err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size); |
| 662 | if (err) |
| 663 | goto err_stop_fw; |
| 664 | |
| 665 | err = mthca_INIT_HCA(mdev, &init_hca, &status); |
| 666 | if (err) { |
| 667 | mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); |
| 668 | goto err_free_icm; |
| 669 | } |
| 670 | if (status) { |
| 671 | mthca_err(mdev, "INIT_HCA returned status 0x%02x, " |
| 672 | "aborting.\n", status); |
| 673 | err = -EINVAL; |
| 674 | goto err_free_icm; |
| 675 | } |
| 676 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | return 0; |
| 678 | |
| 679 | err_free_icm: |
Michael S. Tsirkin | aba7a22 | 2005-09-30 13:55:50 -0700 | [diff] [blame] | 680 | mthca_free_icms(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
| 682 | err_stop_fw: |
| 683 | mthca_UNMAP_FA(mdev, &status); |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 684 | mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | |
| 686 | err_disable: |
| 687 | if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) |
| 688 | mthca_DISABLE_LAM(mdev, &status); |
| 689 | |
| 690 | return err; |
| 691 | } |
| 692 | |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 693 | static void mthca_close_hca(struct mthca_dev *mdev) |
| 694 | { |
| 695 | u8 status; |
| 696 | |
| 697 | mthca_CLOSE_HCA(mdev, 0, &status); |
| 698 | |
| 699 | if (mthca_is_memfree(mdev)) { |
Michael S. Tsirkin | aba7a22 | 2005-09-30 13:55:50 -0700 | [diff] [blame] | 700 | mthca_free_icms(mdev); |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 701 | |
| 702 | mthca_UNMAP_FA(mdev, &status); |
Michael S. Tsirkin | 391e4de | 2007-02-10 23:15:08 +0200 | [diff] [blame] | 703 | mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 704 | |
| 705 | if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) |
| 706 | mthca_DISABLE_LAM(mdev, &status); |
| 707 | } else |
| 708 | mthca_SYS_DIS(mdev, &status); |
| 709 | } |
| 710 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 711 | static int mthca_init_hca(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | { |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 713 | u8 status; |
| 714 | int err; |
| 715 | struct mthca_adapter adapter; |
| 716 | |
Roland Dreier | d10ddbf | 2005-04-16 15:26:32 -0700 | [diff] [blame] | 717 | if (mthca_is_memfree(mdev)) |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 718 | err = mthca_init_arbel(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 719 | else |
Michael S. Tsirkin | 2e8b981 | 2005-08-13 21:19:38 -0700 | [diff] [blame] | 720 | err = mthca_init_tavor(mdev); |
| 721 | |
| 722 | if (err) |
| 723 | return err; |
| 724 | |
| 725 | err = mthca_QUERY_ADAPTER(mdev, &adapter, &status); |
| 726 | if (err) { |
| 727 | mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n"); |
| 728 | goto err_close; |
| 729 | } |
| 730 | if (status) { |
| 731 | mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, " |
| 732 | "aborting.\n", status); |
| 733 | err = -EINVAL; |
| 734 | goto err_close; |
| 735 | } |
| 736 | |
| 737 | mdev->eq_table.inta_pin = adapter.inta_pin; |
| 738 | mdev->rev_id = adapter.revision_id; |
| 739 | memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id); |
| 740 | |
| 741 | return 0; |
| 742 | |
| 743 | err_close: |
| 744 | mthca_close_hca(mdev); |
| 745 | return err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | } |
| 747 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 748 | static int mthca_setup_hca(struct mthca_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 749 | { |
| 750 | int err; |
| 751 | u8 status; |
| 752 | |
| 753 | MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock); |
| 754 | |
| 755 | err = mthca_init_uar_table(dev); |
| 756 | if (err) { |
| 757 | mthca_err(dev, "Failed to initialize " |
| 758 | "user access region table, aborting.\n"); |
| 759 | return err; |
| 760 | } |
| 761 | |
| 762 | err = mthca_uar_alloc(dev, &dev->driver_uar); |
| 763 | if (err) { |
| 764 | mthca_err(dev, "Failed to allocate driver access region, " |
| 765 | "aborting.\n"); |
| 766 | goto err_uar_table_free; |
| 767 | } |
| 768 | |
| 769 | dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); |
| 770 | if (!dev->kar) { |
| 771 | mthca_err(dev, "Couldn't map kernel access region, " |
| 772 | "aborting.\n"); |
| 773 | err = -ENOMEM; |
| 774 | goto err_uar_free; |
| 775 | } |
| 776 | |
| 777 | err = mthca_init_pd_table(dev); |
| 778 | if (err) { |
| 779 | mthca_err(dev, "Failed to initialize " |
| 780 | "protection domain table, aborting.\n"); |
| 781 | goto err_kar_unmap; |
| 782 | } |
| 783 | |
| 784 | err = mthca_init_mr_table(dev); |
| 785 | if (err) { |
| 786 | mthca_err(dev, "Failed to initialize " |
| 787 | "memory region table, aborting.\n"); |
| 788 | goto err_pd_table_free; |
| 789 | } |
| 790 | |
Roland Dreier | 99264c1 | 2005-07-07 17:57:18 -0700 | [diff] [blame] | 791 | err = mthca_pd_alloc(dev, 1, &dev->driver_pd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | if (err) { |
| 793 | mthca_err(dev, "Failed to create driver PD, " |
| 794 | "aborting.\n"); |
| 795 | goto err_mr_table_free; |
| 796 | } |
| 797 | |
| 798 | err = mthca_init_eq_table(dev); |
| 799 | if (err) { |
| 800 | mthca_err(dev, "Failed to initialize " |
| 801 | "event queue table, aborting.\n"); |
| 802 | goto err_pd_free; |
| 803 | } |
| 804 | |
| 805 | err = mthca_cmd_use_events(dev); |
| 806 | if (err) { |
| 807 | mthca_err(dev, "Failed to switch to event-driven " |
| 808 | "firmware commands, aborting.\n"); |
| 809 | goto err_eq_table_free; |
| 810 | } |
| 811 | |
| 812 | err = mthca_NOP(dev, &status); |
| 813 | if (err || status) { |
Adrian Bunk | e57895d | 2008-01-01 15:47:10 +0200 | [diff] [blame] | 814 | if (dev->mthca_flags & MTHCA_FLAG_MSI_X) { |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 815 | mthca_warn(dev, "NOP command failed to generate interrupt " |
| 816 | "(IRQ %d).\n", |
Adrian Bunk | e57895d | 2008-01-01 15:47:10 +0200 | [diff] [blame] | 817 | dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector); |
| 818 | mthca_warn(dev, "Trying again with MSI-X disabled.\n"); |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 819 | } else { |
| 820 | mthca_err(dev, "NOP command failed to generate interrupt " |
| 821 | "(IRQ %d), aborting.\n", |
| 822 | dev->pdev->irq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 823 | mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 824 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
| 826 | goto err_cmd_poll; |
| 827 | } |
| 828 | |
| 829 | mthca_dbg(dev, "NOP command IRQ test passed\n"); |
| 830 | |
| 831 | err = mthca_init_cq_table(dev); |
| 832 | if (err) { |
| 833 | mthca_err(dev, "Failed to initialize " |
| 834 | "completion queue table, aborting.\n"); |
| 835 | goto err_cmd_poll; |
| 836 | } |
| 837 | |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 838 | err = mthca_init_srq_table(dev); |
| 839 | if (err) { |
| 840 | mthca_err(dev, "Failed to initialize " |
| 841 | "shared receive queue table, aborting.\n"); |
| 842 | goto err_cq_table_free; |
| 843 | } |
| 844 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | err = mthca_init_qp_table(dev); |
| 846 | if (err) { |
| 847 | mthca_err(dev, "Failed to initialize " |
| 848 | "queue pair table, aborting.\n"); |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 849 | goto err_srq_table_free; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | err = mthca_init_av_table(dev); |
| 853 | if (err) { |
| 854 | mthca_err(dev, "Failed to initialize " |
| 855 | "address vector table, aborting.\n"); |
| 856 | goto err_qp_table_free; |
| 857 | } |
| 858 | |
| 859 | err = mthca_init_mcg_table(dev); |
| 860 | if (err) { |
| 861 | mthca_err(dev, "Failed to initialize " |
| 862 | "multicast group table, aborting.\n"); |
| 863 | goto err_av_table_free; |
| 864 | } |
| 865 | |
| 866 | return 0; |
| 867 | |
| 868 | err_av_table_free: |
| 869 | mthca_cleanup_av_table(dev); |
| 870 | |
| 871 | err_qp_table_free: |
| 872 | mthca_cleanup_qp_table(dev); |
| 873 | |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 874 | err_srq_table_free: |
| 875 | mthca_cleanup_srq_table(dev); |
| 876 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 877 | err_cq_table_free: |
| 878 | mthca_cleanup_cq_table(dev); |
| 879 | |
| 880 | err_cmd_poll: |
| 881 | mthca_cmd_use_polling(dev); |
| 882 | |
| 883 | err_eq_table_free: |
| 884 | mthca_cleanup_eq_table(dev); |
| 885 | |
| 886 | err_pd_free: |
| 887 | mthca_pd_free(dev, &dev->driver_pd); |
| 888 | |
| 889 | err_mr_table_free: |
| 890 | mthca_cleanup_mr_table(dev); |
| 891 | |
| 892 | err_pd_table_free: |
| 893 | mthca_cleanup_pd_table(dev); |
| 894 | |
| 895 | err_kar_unmap: |
| 896 | iounmap(dev->kar); |
| 897 | |
| 898 | err_uar_free: |
| 899 | mthca_uar_free(dev, &dev->driver_uar); |
| 900 | |
| 901 | err_uar_table_free: |
| 902 | mthca_cleanup_uar_table(dev); |
| 903 | return err; |
| 904 | } |
| 905 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 906 | static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | { |
| 908 | int err; |
| 909 | |
| 910 | /* |
| 911 | * We can't just use pci_request_regions() because the MSI-X |
| 912 | * table is right in the middle of the first BAR. If we did |
| 913 | * pci_request_region and grab all of the first BAR, then |
| 914 | * setting up MSI-X would fail, since the PCI core wants to do |
| 915 | * request_mem_region on the MSI-X vector table. |
| 916 | * |
| 917 | * So just request what we need right now, and request any |
| 918 | * other regions we need when setting up EQs. |
| 919 | */ |
| 920 | if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE, |
| 921 | MTHCA_HCR_SIZE, DRV_NAME)) |
| 922 | return -EBUSY; |
| 923 | |
| 924 | err = pci_request_region(pdev, 2, DRV_NAME); |
| 925 | if (err) |
| 926 | goto err_bar2_failed; |
| 927 | |
| 928 | if (!ddr_hidden) { |
| 929 | err = pci_request_region(pdev, 4, DRV_NAME); |
| 930 | if (err) |
| 931 | goto err_bar4_failed; |
| 932 | } |
| 933 | |
| 934 | return 0; |
| 935 | |
| 936 | err_bar4_failed: |
| 937 | pci_release_region(pdev, 2); |
| 938 | |
| 939 | err_bar2_failed: |
| 940 | release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE, |
| 941 | MTHCA_HCR_SIZE); |
| 942 | |
| 943 | return err; |
| 944 | } |
| 945 | |
| 946 | static void mthca_release_regions(struct pci_dev *pdev, |
| 947 | int ddr_hidden) |
| 948 | { |
| 949 | if (!ddr_hidden) |
| 950 | pci_release_region(pdev, 4); |
| 951 | |
| 952 | pci_release_region(pdev, 2); |
| 953 | |
| 954 | release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE, |
| 955 | MTHCA_HCR_SIZE); |
| 956 | } |
| 957 | |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 958 | static int mthca_enable_msi_x(struct mthca_dev *mdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | { |
| 960 | struct msix_entry entries[3]; |
| 961 | int err; |
| 962 | |
| 963 | entries[0].entry = 0; |
| 964 | entries[1].entry = 1; |
| 965 | entries[2].entry = 2; |
| 966 | |
| 967 | err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries)); |
| 968 | if (err) { |
| 969 | if (err > 0) |
| 970 | mthca_info(mdev, "Only %d MSI-X vectors available, " |
| 971 | "not using MSI-X\n", err); |
| 972 | return err; |
| 973 | } |
| 974 | |
| 975 | mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector; |
| 976 | mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector; |
| 977 | mdev->eq_table.eq[MTHCA_EQ_CMD ].msi_x_vector = entries[2].vector; |
| 978 | |
| 979 | return 0; |
| 980 | } |
| 981 | |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 982 | /* Types of supported HCA */ |
| 983 | enum { |
| 984 | TAVOR, /* MT23108 */ |
| 985 | ARBEL_COMPAT, /* MT25208 in Tavor compat mode */ |
| 986 | ARBEL_NATIVE, /* MT25208 with extended features */ |
| 987 | SINAI /* MT25204 */ |
| 988 | }; |
| 989 | |
| 990 | #define MTHCA_FW_VER(major, minor, subminor) \ |
| 991 | (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor)) |
| 992 | |
| 993 | static struct { |
| 994 | u64 latest_fw; |
Eli Cohen | 651eaac | 2006-03-02 12:40:46 -0800 | [diff] [blame] | 995 | u32 flags; |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 996 | } mthca_hca_table[] = { |
Roland Dreier | 3f11485 | 2007-04-18 20:21:02 -0700 | [diff] [blame] | 997 | [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0), |
Eli Cohen | 651eaac | 2006-03-02 12:40:46 -0800 | [diff] [blame] | 998 | .flags = 0 }, |
Roland Dreier | 3f11485 | 2007-04-18 20:21:02 -0700 | [diff] [blame] | 999 | [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200), |
Eli Cohen | 651eaac | 2006-03-02 12:40:46 -0800 | [diff] [blame] | 1000 | .flags = MTHCA_FLAG_PCIE }, |
Roland Dreier | 950529e | 2008-01-25 14:17:44 -0800 | [diff] [blame] | 1001 | [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0), |
Eli Cohen | 651eaac | 2006-03-02 12:40:46 -0800 | [diff] [blame] | 1002 | .flags = MTHCA_FLAG_MEMFREE | |
| 1003 | MTHCA_FLAG_PCIE }, |
Roland Dreier | 3f11485 | 2007-04-18 20:21:02 -0700 | [diff] [blame] | 1004 | [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0), |
Eli Cohen | 651eaac | 2006-03-02 12:40:46 -0800 | [diff] [blame] | 1005 | .flags = MTHCA_FLAG_MEMFREE | |
| 1006 | MTHCA_FLAG_PCIE | |
| 1007 | MTHCA_FLAG_SINAI_OPT } |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 1008 | }; |
| 1009 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1010 | static int __mthca_init_one(struct pci_dev *pdev, int hca_type) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1012 | int ddr_hidden = 0; |
| 1013 | int err; |
| 1014 | struct mthca_dev *mdev; |
| 1015 | |
Adrian Bunk | 982245f | 2005-07-17 04:22:20 +0200 | [diff] [blame] | 1016 | printk(KERN_INFO PFX "Initializing %s\n", |
| 1017 | pci_name(pdev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | |
| 1019 | err = pci_enable_device(pdev); |
| 1020 | if (err) { |
| 1021 | dev_err(&pdev->dev, "Cannot enable PCI device, " |
| 1022 | "aborting.\n"); |
| 1023 | return err; |
| 1024 | } |
| 1025 | |
| 1026 | /* |
| 1027 | * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not |
| 1028 | * be present) |
| 1029 | */ |
| 1030 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || |
| 1031 | pci_resource_len(pdev, 0) != 1 << 20) { |
Bernhard Fischer | 177214a | 2005-06-27 14:36:39 -0700 | [diff] [blame] | 1032 | dev_err(&pdev->dev, "Missing DCS, aborting.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1033 | err = -ENODEV; |
| 1034 | goto err_disable_pdev; |
| 1035 | } |
Michael S. Tsirkin | cbd2981 | 2006-01-30 15:20:35 -0800 | [diff] [blame] | 1036 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { |
Bernhard Fischer | 177214a | 2005-06-27 14:36:39 -0700 | [diff] [blame] | 1037 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | err = -ENODEV; |
| 1039 | goto err_disable_pdev; |
| 1040 | } |
| 1041 | if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM)) |
| 1042 | ddr_hidden = 1; |
| 1043 | |
| 1044 | err = mthca_request_regions(pdev, ddr_hidden); |
| 1045 | if (err) { |
| 1046 | dev_err(&pdev->dev, "Cannot obtain PCI resources, " |
| 1047 | "aborting.\n"); |
| 1048 | goto err_disable_pdev; |
| 1049 | } |
| 1050 | |
| 1051 | pci_set_master(pdev); |
| 1052 | |
| 1053 | err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); |
| 1054 | if (err) { |
| 1055 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); |
| 1056 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); |
| 1057 | if (err) { |
| 1058 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); |
| 1059 | goto err_free_res; |
| 1060 | } |
| 1061 | } |
| 1062 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); |
| 1063 | if (err) { |
| 1064 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " |
| 1065 | "consistent PCI DMA mask.\n"); |
| 1066 | err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); |
| 1067 | if (err) { |
| 1068 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " |
| 1069 | "aborting.\n"); |
| 1070 | goto err_free_res; |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev); |
| 1075 | if (!mdev) { |
| 1076 | dev_err(&pdev->dev, "Device struct alloc failed, " |
| 1077 | "aborting.\n"); |
| 1078 | err = -ENOMEM; |
| 1079 | goto err_free_res; |
| 1080 | } |
| 1081 | |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 1082 | mdev->pdev = pdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1084 | mdev->mthca_flags = mthca_hca_table[hca_type].flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1085 | if (ddr_hidden) |
| 1086 | mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN; |
| 1087 | |
| 1088 | /* |
| 1089 | * Now reset the HCA before we touch the PCI capabilities or |
| 1090 | * attempt a firmware command, since a boot ROM may have left |
| 1091 | * the HCA in an undefined state. |
| 1092 | */ |
| 1093 | err = mthca_reset(mdev); |
| 1094 | if (err) { |
| 1095 | mthca_err(mdev, "Failed to reset HCA, aborting.\n"); |
| 1096 | goto err_free_dev; |
| 1097 | } |
| 1098 | |
Roland Dreier | 80fd823 | 2005-06-27 14:36:45 -0700 | [diff] [blame] | 1099 | if (mthca_cmd_init(mdev)) { |
| 1100 | mthca_err(mdev, "Failed to init command interface, aborting.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1101 | goto err_free_dev; |
| 1102 | } |
| 1103 | |
| 1104 | err = mthca_tune_pci(mdev); |
| 1105 | if (err) |
Roland Dreier | 80fd823 | 2005-06-27 14:36:45 -0700 | [diff] [blame] | 1106 | goto err_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | |
| 1108 | err = mthca_init_hca(mdev); |
| 1109 | if (err) |
Roland Dreier | 80fd823 | 2005-06-27 14:36:45 -0700 | [diff] [blame] | 1110 | goto err_cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1112 | if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) { |
Roland Dreier | e4daf73 | 2007-07-17 18:37:42 -0700 | [diff] [blame] | 1113 | mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n", |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 1114 | (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff, |
| 1115 | (int) (mdev->fw_ver & 0xffff), |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1116 | (int) (mthca_hca_table[hca_type].latest_fw >> 32), |
| 1117 | (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff, |
| 1118 | (int) (mthca_hca_table[hca_type].latest_fw & 0xffff)); |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 1119 | mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n"); |
| 1120 | } |
| 1121 | |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1122 | if (msi_x && !mthca_enable_msi_x(mdev)) |
| 1123 | mdev->mthca_flags |= MTHCA_FLAG_MSI_X; |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1124 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1125 | err = mthca_setup_hca(mdev); |
Adrian Bunk | e57895d | 2008-01-01 15:47:10 +0200 | [diff] [blame] | 1126 | if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) { |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1127 | if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) |
| 1128 | pci_disable_msix(pdev); |
Adrian Bunk | e57895d | 2008-01-01 15:47:10 +0200 | [diff] [blame] | 1129 | mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X; |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1130 | |
| 1131 | err = mthca_setup_hca(mdev); |
| 1132 | } |
| 1133 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1134 | if (err) |
| 1135 | goto err_close; |
| 1136 | |
| 1137 | err = mthca_register_device(mdev); |
| 1138 | if (err) |
| 1139 | goto err_cleanup; |
| 1140 | |
| 1141 | err = mthca_create_agents(mdev); |
| 1142 | if (err) |
| 1143 | goto err_unregister; |
| 1144 | |
| 1145 | pci_set_drvdata(pdev, mdev); |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1146 | mdev->hca_type = hca_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1147 | |
| 1148 | return 0; |
| 1149 | |
| 1150 | err_unregister: |
| 1151 | mthca_unregister_device(mdev); |
| 1152 | |
| 1153 | err_cleanup: |
| 1154 | mthca_cleanup_mcg_table(mdev); |
| 1155 | mthca_cleanup_av_table(mdev); |
| 1156 | mthca_cleanup_qp_table(mdev); |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 1157 | mthca_cleanup_srq_table(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1158 | mthca_cleanup_cq_table(mdev); |
| 1159 | mthca_cmd_use_polling(mdev); |
| 1160 | mthca_cleanup_eq_table(mdev); |
| 1161 | |
| 1162 | mthca_pd_free(mdev, &mdev->driver_pd); |
| 1163 | |
| 1164 | mthca_cleanup_mr_table(mdev); |
| 1165 | mthca_cleanup_pd_table(mdev); |
| 1166 | mthca_cleanup_uar_table(mdev); |
| 1167 | |
| 1168 | err_close: |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1169 | if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) |
| 1170 | pci_disable_msix(pdev); |
Michael S. Tsirkin | 017aadc | 2007-08-07 16:10:34 +0300 | [diff] [blame] | 1171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1172 | mthca_close_hca(mdev); |
| 1173 | |
Roland Dreier | 80fd823 | 2005-06-27 14:36:45 -0700 | [diff] [blame] | 1174 | err_cmd: |
| 1175 | mthca_cmd_cleanup(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | |
| 1177 | err_free_dev: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1178 | ib_dealloc_device(&mdev->ib_dev); |
| 1179 | |
| 1180 | err_free_res: |
| 1181 | mthca_release_regions(pdev, ddr_hidden); |
| 1182 | |
| 1183 | err_disable_pdev: |
| 1184 | pci_disable_device(pdev); |
| 1185 | pci_set_drvdata(pdev, NULL); |
| 1186 | return err; |
| 1187 | } |
| 1188 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1189 | static void __mthca_remove_one(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1190 | { |
| 1191 | struct mthca_dev *mdev = pci_get_drvdata(pdev); |
| 1192 | u8 status; |
| 1193 | int p; |
| 1194 | |
| 1195 | if (mdev) { |
| 1196 | mthca_free_agents(mdev); |
| 1197 | mthca_unregister_device(mdev); |
| 1198 | |
| 1199 | for (p = 1; p <= mdev->limits.num_ports; ++p) |
| 1200 | mthca_CLOSE_IB(mdev, p, &status); |
| 1201 | |
| 1202 | mthca_cleanup_mcg_table(mdev); |
| 1203 | mthca_cleanup_av_table(mdev); |
| 1204 | mthca_cleanup_qp_table(mdev); |
Roland Dreier | ec34a92 | 2005-08-19 10:59:31 -0700 | [diff] [blame] | 1205 | mthca_cleanup_srq_table(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | mthca_cleanup_cq_table(mdev); |
| 1207 | mthca_cmd_use_polling(mdev); |
| 1208 | mthca_cleanup_eq_table(mdev); |
| 1209 | |
| 1210 | mthca_pd_free(mdev, &mdev->driver_pd); |
| 1211 | |
| 1212 | mthca_cleanup_mr_table(mdev); |
| 1213 | mthca_cleanup_pd_table(mdev); |
| 1214 | |
| 1215 | iounmap(mdev->kar); |
| 1216 | mthca_uar_free(mdev, &mdev->driver_uar); |
| 1217 | mthca_cleanup_uar_table(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1218 | mthca_close_hca(mdev); |
Roland Dreier | 80fd823 | 2005-06-27 14:36:45 -0700 | [diff] [blame] | 1219 | mthca_cmd_cleanup(mdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1220 | |
| 1221 | if (mdev->mthca_flags & MTHCA_FLAG_MSI_X) |
| 1222 | pci_disable_msix(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1223 | |
| 1224 | ib_dealloc_device(&mdev->ib_dev); |
| 1225 | mthca_release_regions(pdev, mdev->mthca_flags & |
| 1226 | MTHCA_FLAG_DDR_HIDDEN); |
| 1227 | pci_disable_device(pdev); |
| 1228 | pci_set_drvdata(pdev, NULL); |
| 1229 | } |
| 1230 | } |
| 1231 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1232 | int __mthca_restart_one(struct pci_dev *pdev) |
| 1233 | { |
| 1234 | struct mthca_dev *mdev; |
Ali Ayoub | de57c9f | 2007-05-17 20:58:30 +0300 | [diff] [blame] | 1235 | int hca_type; |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1236 | |
| 1237 | mdev = pci_get_drvdata(pdev); |
| 1238 | if (!mdev) |
| 1239 | return -ENODEV; |
Ali Ayoub | de57c9f | 2007-05-17 20:58:30 +0300 | [diff] [blame] | 1240 | hca_type = mdev->hca_type; |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1241 | __mthca_remove_one(pdev); |
Ali Ayoub | de57c9f | 2007-05-17 20:58:30 +0300 | [diff] [blame] | 1242 | return __mthca_init_one(pdev, hca_type); |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1243 | } |
| 1244 | |
| 1245 | static int __devinit mthca_init_one(struct pci_dev *pdev, |
Roland Dreier | f4f3d0f | 2006-11-29 15:33:06 -0800 | [diff] [blame] | 1246 | const struct pci_device_id *id) |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1247 | { |
| 1248 | static int mthca_version_printed = 0; |
| 1249 | int ret; |
| 1250 | |
| 1251 | mutex_lock(&mthca_device_mutex); |
| 1252 | |
| 1253 | if (!mthca_version_printed) { |
| 1254 | printk(KERN_INFO "%s", mthca_version); |
| 1255 | ++mthca_version_printed; |
| 1256 | } |
| 1257 | |
| 1258 | if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) { |
| 1259 | printk(KERN_ERR PFX "%s has invalid driver data %lx\n", |
| 1260 | pci_name(pdev), id->driver_data); |
| 1261 | mutex_unlock(&mthca_device_mutex); |
| 1262 | return -ENODEV; |
| 1263 | } |
| 1264 | |
| 1265 | ret = __mthca_init_one(pdev, id->driver_data); |
| 1266 | |
| 1267 | mutex_unlock(&mthca_device_mutex); |
| 1268 | |
| 1269 | return ret; |
| 1270 | } |
| 1271 | |
| 1272 | static void __devexit mthca_remove_one(struct pci_dev *pdev) |
| 1273 | { |
| 1274 | mutex_lock(&mthca_device_mutex); |
| 1275 | __mthca_remove_one(pdev); |
| 1276 | mutex_unlock(&mthca_device_mutex); |
| 1277 | } |
| 1278 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1279 | static struct pci_device_id mthca_pci_table[] = { |
| 1280 | { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR), |
| 1281 | .driver_data = TAVOR }, |
| 1282 | { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR), |
| 1283 | .driver_data = TAVOR }, |
| 1284 | { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), |
| 1285 | .driver_data = ARBEL_COMPAT }, |
| 1286 | { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT), |
| 1287 | .driver_data = ARBEL_COMPAT }, |
| 1288 | { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL), |
| 1289 | .driver_data = ARBEL_NATIVE }, |
| 1290 | { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL), |
| 1291 | .driver_data = ARBEL_NATIVE }, |
Roland Dreier | 68a3c21 | 2005-04-16 15:26:34 -0700 | [diff] [blame] | 1292 | { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI), |
| 1293 | .driver_data = SINAI }, |
| 1294 | { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI), |
| 1295 | .driver_data = SINAI }, |
| 1296 | { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), |
| 1297 | .driver_data = SINAI }, |
| 1298 | { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD), |
| 1299 | .driver_data = SINAI }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1300 | { 0, } |
| 1301 | }; |
| 1302 | |
| 1303 | MODULE_DEVICE_TABLE(pci, mthca_pci_table); |
| 1304 | |
| 1305 | static struct pci_driver mthca_driver = { |
Bernhard Fischer | 177214a | 2005-06-27 14:36:39 -0700 | [diff] [blame] | 1306 | .name = DRV_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1307 | .id_table = mthca_pci_table, |
| 1308 | .probe = mthca_init_one, |
| 1309 | .remove = __devexit_p(mthca_remove_one) |
| 1310 | }; |
| 1311 | |
Leonid Arsh | 82da703 | 2006-12-10 13:40:17 +0200 | [diff] [blame] | 1312 | static void __init __mthca_check_profile_val(const char *name, int *pval, |
| 1313 | int pval_default) |
| 1314 | { |
| 1315 | /* value must be positive and power of 2 */ |
| 1316 | int old_pval = *pval; |
| 1317 | |
| 1318 | if (old_pval <= 0) |
| 1319 | *pval = pval_default; |
| 1320 | else |
| 1321 | *pval = roundup_pow_of_two(old_pval); |
| 1322 | |
| 1323 | if (old_pval != *pval) { |
| 1324 | printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n", |
| 1325 | old_pval, name); |
| 1326 | printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval); |
| 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | #define mthca_check_profile_val(name, default) \ |
| 1331 | __mthca_check_profile_val(#name, &hca_profile.name, default) |
| 1332 | |
| 1333 | static void __init mthca_validate_profile(void) |
| 1334 | { |
| 1335 | mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP); |
| 1336 | mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP); |
| 1337 | mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ); |
| 1338 | mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG); |
| 1339 | mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT); |
| 1340 | mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT); |
| 1341 | mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV); |
| 1342 | mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS); |
| 1343 | |
| 1344 | if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) { |
| 1345 | printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n", |
| 1346 | hca_profile.fmr_reserved_mtts); |
| 1347 | printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n", |
| 1348 | hca_profile.num_mtt); |
| 1349 | hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2; |
| 1350 | printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n", |
| 1351 | hca_profile.fmr_reserved_mtts); |
| 1352 | } |
| 1353 | } |
| 1354 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1355 | static int __init mthca_init(void) |
| 1356 | { |
| 1357 | int ret; |
| 1358 | |
Leonid Arsh | 82da703 | 2006-12-10 13:40:17 +0200 | [diff] [blame] | 1359 | mthca_validate_profile(); |
| 1360 | |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1361 | ret = mthca_catas_init(); |
| 1362 | if (ret) |
| 1363 | return ret; |
| 1364 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1365 | ret = pci_register_driver(&mthca_driver); |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1366 | if (ret < 0) { |
| 1367 | mthca_catas_cleanup(); |
| 1368 | return ret; |
| 1369 | } |
| 1370 | |
| 1371 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1372 | } |
| 1373 | |
| 1374 | static void __exit mthca_cleanup(void) |
| 1375 | { |
| 1376 | pci_unregister_driver(&mthca_driver); |
Jack Morgenstein | b3b30f5 | 2006-08-15 21:11:18 +0300 | [diff] [blame] | 1377 | mthca_catas_cleanup(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1378 | } |
| 1379 | |
| 1380 | module_init(mthca_init); |
| 1381 | module_exit(mthca_cleanup); |