1 /* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. 4 * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. 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 35 #include <linux/etherdevice.h> 36 #include <linux/mlx4/cmd.h> 37 #include <linux/module.h> 38 #include <linux/cache.h> 39 40 #include "fw.h" 41 #include "icm.h" 42 43 enum { 44 MLX4_COMMAND_INTERFACE_MIN_REV = 2, 45 MLX4_COMMAND_INTERFACE_MAX_REV = 3, 46 MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS = 3, 47 }; 48 49 extern void __buggy_use_of_MLX4_GET(void); 50 extern void __buggy_use_of_MLX4_PUT(void); 51 52 static bool enable_qos; 53 module_param(enable_qos, bool, 0444); 54 MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (default: off)"); 55 56 #define MLX4_GET(dest, source, offset) \ 57 do { \ 58 void *__p = (char *) (source) + (offset); \ 59 switch (sizeof (dest)) { \ 60 case 1: (dest) = *(u8 *) __p; break; \ 61 case 2: (dest) = be16_to_cpup(__p); break; \ 62 case 4: (dest) = be32_to_cpup(__p); break; \ 63 case 8: (dest) = be64_to_cpup(__p); break; \ 64 default: __buggy_use_of_MLX4_GET(); \ 65 } \ 66 } while (0) 67 68 #define MLX4_PUT(dest, source, offset) \ 69 do { \ 70 void *__d = ((char *) (dest) + (offset)); \ 71 switch (sizeof(source)) { \ 72 case 1: *(u8 *) __d = (source); break; \ 73 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \ 74 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \ 75 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \ 76 default: __buggy_use_of_MLX4_PUT(); \ 77 } \ 78 } while (0) 79 80 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags) 81 { 82 static const char *fname[] = { 83 [ 0] = "RC transport", 84 [ 1] = "UC transport", 85 [ 2] = "UD transport", 86 [ 3] = "XRC transport", 87 [ 4] = "reliable multicast", 88 [ 5] = "FCoIB support", 89 [ 6] = "SRQ support", 90 [ 7] = "IPoIB checksum offload", 91 [ 8] = "P_Key violation counter", 92 [ 9] = "Q_Key violation counter", 93 [10] = "VMM", 94 [12] = "Dual Port Different Protocol (DPDP) support", 95 [15] = "Big LSO headers", 96 [16] = "MW support", 97 [17] = "APM support", 98 [18] = "Atomic ops support", 99 [19] = "Raw multicast support", 100 [20] = "Address vector port checking support", 101 [21] = "UD multicast support", 102 [24] = "Demand paging support", 103 [25] = "Router support", 104 [30] = "IBoE support", 105 [32] = "Unicast loopback support", 106 [34] = "FCS header control", 107 [38] = "Wake On LAN support", 108 [40] = "UDP RSS support", 109 [41] = "Unicast VEP steering support", 110 [42] = "Multicast VEP steering support", 111 [48] = "Counters support", 112 [53] = "Port ETS Scheduler support", 113 [55] = "Port link type sensing support", 114 [59] = "Port management change event support", 115 [61] = "64 byte EQE support", 116 [62] = "64 byte CQE support", 117 }; 118 int i; 119 120 mlx4_dbg(dev, "DEV_CAP flags:\n"); 121 for (i = 0; i < ARRAY_SIZE(fname); ++i) 122 if (fname[i] && (flags & (1LL << i))) 123 mlx4_dbg(dev, " %s\n", fname[i]); 124 } 125 126 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) 127 { 128 static const char * const fname[] = { 129 [0] = "RSS support", 130 [1] = "RSS Toeplitz Hash Function support", 131 [2] = "RSS XOR Hash Function support", 132 [3] = "Device manage flow steering support", 133 [4] = "Automatic MAC reassignment support", 134 [5] = "Time stamping support", 135 [6] = "VST (control vlan insertion/stripping) support", 136 [7] = "FSM (MAC anti-spoofing) support", 137 [8] = "Dynamic QP updates support" 138 }; 139 int i; 140 141 for (i = 0; i < ARRAY_SIZE(fname); ++i) 142 if (fname[i] && (flags & (1LL << i))) 143 mlx4_dbg(dev, " %s\n", fname[i]); 144 } 145 146 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) 147 { 148 struct mlx4_cmd_mailbox *mailbox; 149 u32 *inbox; 150 int err = 0; 151 152 #define MOD_STAT_CFG_IN_SIZE 0x100 153 154 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 155 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 156 157 mailbox = mlx4_alloc_cmd_mailbox(dev); 158 if (IS_ERR(mailbox)) 159 return PTR_ERR(mailbox); 160 inbox = mailbox->buf; 161 162 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE); 163 164 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); 165 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); 166 167 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, 168 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 169 170 mlx4_free_cmd_mailbox(dev, mailbox); 171 return err; 172 } 173 174 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, 175 struct mlx4_vhcr *vhcr, 176 struct mlx4_cmd_mailbox *inbox, 177 struct mlx4_cmd_mailbox *outbox, 178 struct mlx4_cmd_info *cmd) 179 { 180 u8 field; 181 u32 size; 182 int err = 0; 183 184 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 185 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 186 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 187 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8 188 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10 189 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14 190 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18 191 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20 192 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24 193 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28 194 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c 195 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 196 197 #define QUERY_FUNC_CAP_FMR_FLAG 0x80 198 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 199 #define QUERY_FUNC_CAP_FLAG_ETH 0x80 200 201 /* when opcode modifier = 1 */ 202 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 203 #define QUERY_FUNC_CAP_RDMA_PROPS_OFFSET 0x8 204 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc 205 206 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10 207 #define QUERY_FUNC_CAP_QP0_PROXY 0x14 208 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18 209 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c 210 211 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC 0x40 212 #define QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN 0x80 213 214 #define QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID 0x80 215 216 if (vhcr->op_modifier == 1) { 217 field = 0; 218 /* ensure force vlan and force mac bits are not set */ 219 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); 220 /* ensure that phy_wqe_gid bit is not set */ 221 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET); 222 223 field = vhcr->in_modifier; /* phys-port = logical-port */ 224 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 225 226 /* size is now the QP number */ 227 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + field - 1; 228 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); 229 230 size += 2; 231 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); 232 233 size = dev->phys_caps.base_proxy_sqpn + 8 * slave + field - 1; 234 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_PROXY); 235 236 size += 2; 237 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_PROXY); 238 239 } else if (vhcr->op_modifier == 0) { 240 /* enable rdma and ethernet interfaces */ 241 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA); 242 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); 243 244 field = dev->caps.num_ports; 245 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 246 247 size = dev->caps.function_caps; /* set PF behaviours */ 248 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 249 250 field = 0; /* protected FMR support not available as yet */ 251 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET); 252 253 size = dev->caps.num_qps; 254 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 255 256 size = dev->caps.num_srqs; 257 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 258 259 size = dev->caps.num_cqs; 260 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 261 262 size = dev->caps.num_eqs; 263 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 264 265 size = dev->caps.reserved_eqs; 266 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 267 268 size = dev->caps.num_mpts; 269 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 270 271 size = dev->caps.num_mtts; 272 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 273 274 size = dev->caps.num_mgms + dev->caps.num_amgms; 275 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 276 277 } else 278 err = -EINVAL; 279 280 return err; 281 } 282 283 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u32 gen_or_port, 284 struct mlx4_func_cap *func_cap) 285 { 286 struct mlx4_cmd_mailbox *mailbox; 287 u32 *outbox; 288 u8 field, op_modifier; 289 u32 size; 290 int err = 0; 291 292 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ 293 294 mailbox = mlx4_alloc_cmd_mailbox(dev); 295 if (IS_ERR(mailbox)) 296 return PTR_ERR(mailbox); 297 298 err = mlx4_cmd_box(dev, 0, mailbox->dma, gen_or_port, op_modifier, 299 MLX4_CMD_QUERY_FUNC_CAP, 300 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 301 if (err) 302 goto out; 303 304 outbox = mailbox->buf; 305 306 if (!op_modifier) { 307 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); 308 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) { 309 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n"); 310 err = -EPROTONOSUPPORT; 311 goto out; 312 } 313 func_cap->flags = field; 314 315 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 316 func_cap->num_ports = field; 317 318 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 319 func_cap->pf_context_behaviour = size; 320 321 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 322 func_cap->qp_quota = size & 0xFFFFFF; 323 324 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 325 func_cap->srq_quota = size & 0xFFFFFF; 326 327 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 328 func_cap->cq_quota = size & 0xFFFFFF; 329 330 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 331 func_cap->max_eq = size & 0xFFFFFF; 332 333 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 334 func_cap->reserved_eq = size & 0xFFFFFF; 335 336 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 337 func_cap->mpt_quota = size & 0xFFFFFF; 338 339 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 340 func_cap->mtt_quota = size & 0xFFFFFF; 341 342 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 343 func_cap->mcg_quota = size & 0xFFFFFF; 344 goto out; 345 } 346 347 /* logical port query */ 348 if (gen_or_port > dev->caps.num_ports) { 349 err = -EINVAL; 350 goto out; 351 } 352 353 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { 354 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); 355 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_VLAN) { 356 mlx4_err(dev, "VLAN is enforced on this port\n"); 357 err = -EPROTONOSUPPORT; 358 goto out; 359 } 360 361 if (field & QUERY_FUNC_CAP_ETH_PROPS_FORCE_MAC) { 362 mlx4_err(dev, "Force mac is enabled on this port\n"); 363 err = -EPROTONOSUPPORT; 364 goto out; 365 } 366 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) { 367 MLX4_GET(field, outbox, QUERY_FUNC_CAP_RDMA_PROPS_OFFSET); 368 if (field & QUERY_FUNC_CAP_RDMA_PROPS_FORCE_PHY_WQE_GID) { 369 mlx4_err(dev, "phy_wqe_gid is " 370 "enforced on this ib port\n"); 371 err = -EPROTONOSUPPORT; 372 goto out; 373 } 374 } 375 376 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 377 func_cap->physical_port = field; 378 if (func_cap->physical_port != gen_or_port) { 379 err = -ENOSYS; 380 goto out; 381 } 382 383 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); 384 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF; 385 386 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); 387 func_cap->qp0_proxy_qpn = size & 0xFFFFFF; 388 389 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); 390 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF; 391 392 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); 393 func_cap->qp1_proxy_qpn = size & 0xFFFFFF; 394 395 /* All other resources are allocated by the master, but we still report 396 * 'num' and 'reserved' capabilities as follows: 397 * - num remains the maximum resource index 398 * - 'num - reserved' is the total available objects of a resource, but 399 * resource indices may be less than 'reserved' 400 * TODO: set per-resource quotas */ 401 402 out: 403 mlx4_free_cmd_mailbox(dev, mailbox); 404 405 return err; 406 } 407 408 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 409 { 410 struct mlx4_cmd_mailbox *mailbox; 411 u32 *outbox; 412 u8 field; 413 u32 field32, flags, ext_flags; 414 u16 size; 415 u16 stat_rate; 416 int err; 417 int i; 418 419 #define QUERY_DEV_CAP_OUT_SIZE 0x100 420 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 421 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 422 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 423 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 424 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 425 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 426 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 427 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 428 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 429 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a 430 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b 431 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d 432 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e 433 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f 434 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 435 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 436 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 437 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 438 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 439 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 440 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b 441 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d 442 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e 443 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f 444 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 445 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 446 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 447 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 448 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 449 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b 450 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c 451 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e 452 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f 453 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 454 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 455 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 456 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 457 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b 458 #define QUERY_DEV_CAP_BF_OFFSET 0x4c 459 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d 460 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e 461 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f 462 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 463 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 464 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 465 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 466 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 467 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 468 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 469 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 470 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 471 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 472 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 473 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 474 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70 475 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 476 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 477 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 478 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 479 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 480 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 481 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 482 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a 483 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c 484 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e 485 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 486 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 487 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 488 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 489 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 490 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d 491 492 dev_cap->flags2 = 0; 493 mailbox = mlx4_alloc_cmd_mailbox(dev); 494 if (IS_ERR(mailbox)) 495 return PTR_ERR(mailbox); 496 outbox = mailbox->buf; 497 498 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 499 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 500 if (err) 501 goto out; 502 503 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); 504 dev_cap->reserved_qps = 1 << (field & 0xf); 505 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); 506 dev_cap->max_qps = 1 << (field & 0x1f); 507 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); 508 dev_cap->reserved_srqs = 1 << (field >> 4); 509 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); 510 dev_cap->max_srqs = 1 << (field & 0x1f); 511 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); 512 dev_cap->max_cq_sz = 1 << field; 513 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); 514 dev_cap->reserved_cqs = 1 << (field & 0xf); 515 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); 516 dev_cap->max_cqs = 1 << (field & 0x1f); 517 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); 518 dev_cap->max_mpts = 1 << (field & 0x3f); 519 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); 520 dev_cap->reserved_eqs = field & 0xf; 521 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); 522 dev_cap->max_eqs = 1 << (field & 0xf); 523 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); 524 dev_cap->reserved_mtts = 1 << (field >> 4); 525 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); 526 dev_cap->max_mrw_sz = 1 << field; 527 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); 528 dev_cap->reserved_mrws = 1 << (field & 0xf); 529 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); 530 dev_cap->max_mtt_seg = 1 << (field & 0x3f); 531 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); 532 dev_cap->max_requester_per_qp = 1 << (field & 0x3f); 533 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); 534 dev_cap->max_responder_per_qp = 1 << (field & 0x3f); 535 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); 536 field &= 0x1f; 537 if (!field) 538 dev_cap->max_gso_sz = 0; 539 else 540 dev_cap->max_gso_sz = 1 << field; 541 542 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET); 543 if (field & 0x20) 544 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR; 545 if (field & 0x10) 546 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP; 547 field &= 0xf; 548 if (field) { 549 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS; 550 dev_cap->max_rss_tbl_sz = 1 << field; 551 } else 552 dev_cap->max_rss_tbl_sz = 0; 553 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); 554 dev_cap->max_rdma_global = 1 << (field & 0x3f); 555 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); 556 dev_cap->local_ca_ack_delay = field & 0x1f; 557 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 558 dev_cap->num_ports = field & 0xf; 559 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); 560 dev_cap->max_msg_sz = 1 << (field & 0x1f); 561 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 562 if (field & 0x80) 563 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; 564 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; 565 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); 566 dev_cap->fs_max_num_qp_per_entry = field; 567 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); 568 dev_cap->stat_rate_support = stat_rate; 569 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 570 if (field & 0x80) 571 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS; 572 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 573 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); 574 dev_cap->flags = flags | (u64)ext_flags << 32; 575 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); 576 dev_cap->reserved_uars = field >> 4; 577 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); 578 dev_cap->uar_size = 1 << ((field & 0x3f) + 20); 579 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); 580 dev_cap->min_page_sz = 1 << field; 581 582 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); 583 if (field & 0x80) { 584 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); 585 dev_cap->bf_reg_size = 1 << (field & 0x1f); 586 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); 587 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) 588 field = 3; 589 dev_cap->bf_regs_per_page = 1 << (field & 0x3f); 590 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", 591 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); 592 } else { 593 dev_cap->bf_reg_size = 0; 594 mlx4_dbg(dev, "BlueFlame not available\n"); 595 } 596 597 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET); 598 dev_cap->max_sq_sg = field; 599 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET); 600 dev_cap->max_sq_desc_sz = size; 601 602 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET); 603 dev_cap->max_qp_per_mcg = 1 << field; 604 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET); 605 dev_cap->reserved_mgms = field & 0xf; 606 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET); 607 dev_cap->max_mcgs = 1 << field; 608 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET); 609 dev_cap->reserved_pds = field >> 4; 610 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); 611 dev_cap->max_pds = 1 << (field & 0x3f); 612 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET); 613 dev_cap->reserved_xrcds = field >> 4; 614 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET); 615 dev_cap->max_xrcds = 1 << (field & 0x1f); 616 617 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET); 618 dev_cap->rdmarc_entry_sz = size; 619 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET); 620 dev_cap->qpc_entry_sz = size; 621 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET); 622 dev_cap->aux_entry_sz = size; 623 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET); 624 dev_cap->altc_entry_sz = size; 625 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET); 626 dev_cap->eqc_entry_sz = size; 627 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET); 628 dev_cap->cqc_entry_sz = size; 629 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET); 630 dev_cap->srq_entry_sz = size; 631 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET); 632 dev_cap->cmpt_entry_sz = size; 633 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET); 634 dev_cap->mtt_entry_sz = size; 635 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET); 636 dev_cap->dmpt_entry_sz = size; 637 638 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET); 639 dev_cap->max_srq_sz = 1 << field; 640 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET); 641 dev_cap->max_qp_sz = 1 << field; 642 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET); 643 dev_cap->resize_srq = field & 1; 644 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET); 645 dev_cap->max_rq_sg = field; 646 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET); 647 dev_cap->max_rq_desc_sz = size; 648 649 MLX4_GET(dev_cap->bmme_flags, outbox, 650 QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 651 MLX4_GET(dev_cap->reserved_lkey, outbox, 652 QUERY_DEV_CAP_RSVD_LKEY_OFFSET); 653 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC); 654 if (field & 1<<6) 655 dev_cap->flags2 |= MLX4_DEV_CAP_FLAGS2_REASSIGN_MAC_EN; 656 MLX4_GET(dev_cap->max_icm_sz, outbox, 657 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET); 658 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS) 659 MLX4_GET(dev_cap->max_counters, outbox, 660 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); 661 662 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 663 if (field32 & (1 << 16)) 664 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; 665 if (field32 & (1 << 26)) 666 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL; 667 if (field32 & (1 << 20)) 668 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM; 669 670 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 671 for (i = 1; i <= dev_cap->num_ports; ++i) { 672 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 673 dev_cap->max_vl[i] = field >> 4; 674 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); 675 dev_cap->ib_mtu[i] = field >> 4; 676 dev_cap->max_port_width[i] = field & 0xf; 677 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); 678 dev_cap->max_gids[i] = 1 << (field & 0xf); 679 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); 680 dev_cap->max_pkeys[i] = 1 << (field & 0xf); 681 } 682 } else { 683 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 684 #define QUERY_PORT_MTU_OFFSET 0x01 685 #define QUERY_PORT_ETH_MTU_OFFSET 0x02 686 #define QUERY_PORT_WIDTH_OFFSET 0x06 687 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 688 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a 689 #define QUERY_PORT_MAX_VL_OFFSET 0x0b 690 #define QUERY_PORT_MAC_OFFSET 0x10 691 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 692 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c 693 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 694 695 for (i = 1; i <= dev_cap->num_ports; ++i) { 696 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT, 697 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 698 if (err) 699 goto out; 700 701 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); 702 dev_cap->supported_port_types[i] = field & 3; 703 dev_cap->suggested_type[i] = (field >> 3) & 1; 704 dev_cap->default_sense[i] = (field >> 4) & 1; 705 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); 706 dev_cap->ib_mtu[i] = field & 0xf; 707 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); 708 dev_cap->max_port_width[i] = field & 0xf; 709 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); 710 dev_cap->max_gids[i] = 1 << (field >> 4); 711 dev_cap->max_pkeys[i] = 1 << (field & 0xf); 712 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); 713 dev_cap->max_vl[i] = field & 0xf; 714 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); 715 dev_cap->log_max_macs[i] = field & 0xf; 716 dev_cap->log_max_vlans[i] = field >> 4; 717 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET); 718 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET); 719 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); 720 dev_cap->trans_type[i] = field32 >> 24; 721 dev_cap->vendor_oui[i] = field32 & 0xffffff; 722 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET); 723 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET); 724 } 725 } 726 727 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", 728 dev_cap->bmme_flags, dev_cap->reserved_lkey); 729 730 /* 731 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then 732 * we can't use any EQs whose doorbell falls on that page, 733 * even if the EQ itself isn't reserved. 734 */ 735 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, 736 dev_cap->reserved_eqs); 737 738 mlx4_dbg(dev, "Max ICM size %lld MB\n", 739 (unsigned long long) dev_cap->max_icm_sz >> 20); 740 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", 741 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); 742 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", 743 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); 744 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", 745 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); 746 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n", 747 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz); 748 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", 749 dev_cap->reserved_mrws, dev_cap->reserved_mtts); 750 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", 751 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); 752 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", 753 dev_cap->max_pds, dev_cap->reserved_mgms); 754 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", 755 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); 756 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", 757 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1], 758 dev_cap->max_port_width[1]); 759 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", 760 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); 761 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", 762 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); 763 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); 764 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); 765 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz); 766 767 dump_dev_cap_flags(dev, dev_cap->flags); 768 dump_dev_cap_flags2(dev, dev_cap->flags2); 769 770 out: 771 mlx4_free_cmd_mailbox(dev, mailbox); 772 return err; 773 } 774 775 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, 776 struct mlx4_vhcr *vhcr, 777 struct mlx4_cmd_mailbox *inbox, 778 struct mlx4_cmd_mailbox *outbox, 779 struct mlx4_cmd_info *cmd) 780 { 781 u64 flags; 782 int err = 0; 783 u8 field; 784 u32 bmme_flags; 785 786 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 787 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 788 if (err) 789 return err; 790 791 /* add port mng change event capability and disable mw type 1 792 * unconditionally to slaves 793 */ 794 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 795 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV; 796 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW; 797 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 798 799 /* For guests, disable timestamp */ 800 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 801 field &= 0x7f; 802 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 803 804 /* For guests, report Blueflame disabled */ 805 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET); 806 field &= 0x7f; 807 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); 808 809 /* For guests, disable mw type 2 */ 810 MLX4_GET(bmme_flags, outbox, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 811 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; 812 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 813 814 /* turn off device-managed steering capability if not enabled */ 815 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { 816 MLX4_GET(field, outbox->buf, 817 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 818 field &= 0x7f; 819 MLX4_PUT(outbox->buf, field, 820 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 821 } 822 return 0; 823 } 824 825 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, 826 struct mlx4_vhcr *vhcr, 827 struct mlx4_cmd_mailbox *inbox, 828 struct mlx4_cmd_mailbox *outbox, 829 struct mlx4_cmd_info *cmd) 830 { 831 struct mlx4_priv *priv = mlx4_priv(dev); 832 u64 def_mac; 833 u8 port_type; 834 u16 short_field; 835 int err; 836 int admin_link_state; 837 838 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0 839 #define MLX4_PORT_LINK_UP_MASK 0x80 840 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c 841 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e 842 843 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, 844 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 845 MLX4_CMD_NATIVE); 846 847 if (!err && dev->caps.function != slave) { 848 /* if config MAC in DB use it */ 849 if (priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac) 850 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; 851 else { 852 /* set slave default_mac address */ 853 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); 854 def_mac += slave << 8; 855 priv->mfunc.master.vf_admin[slave].vport[vhcr->in_modifier].mac = def_mac; 856 } 857 858 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); 859 860 /* get port type - currently only eth is enabled */ 861 MLX4_GET(port_type, outbox->buf, 862 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 863 864 /* No link sensing allowed */ 865 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK; 866 /* set port type to currently operating port type */ 867 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3); 868 869 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state; 870 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state) 871 port_type |= MLX4_PORT_LINK_UP_MASK; 872 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state) 873 port_type &= ~MLX4_PORT_LINK_UP_MASK; 874 875 MLX4_PUT(outbox->buf, port_type, 876 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 877 878 short_field = 1; /* slave max gids */ 879 MLX4_PUT(outbox->buf, short_field, 880 QUERY_PORT_CUR_MAX_GID_OFFSET); 881 882 short_field = dev->caps.pkey_table_len[vhcr->in_modifier]; 883 MLX4_PUT(outbox->buf, short_field, 884 QUERY_PORT_CUR_MAX_PKEY_OFFSET); 885 } 886 887 return err; 888 } 889 890 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, 891 int *gid_tbl_len, int *pkey_tbl_len) 892 { 893 struct mlx4_cmd_mailbox *mailbox; 894 u32 *outbox; 895 u16 field; 896 int err; 897 898 mailbox = mlx4_alloc_cmd_mailbox(dev); 899 if (IS_ERR(mailbox)) 900 return PTR_ERR(mailbox); 901 902 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, 903 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 904 MLX4_CMD_WRAPPED); 905 if (err) 906 goto out; 907 908 outbox = mailbox->buf; 909 910 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET); 911 *gid_tbl_len = field; 912 913 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET); 914 *pkey_tbl_len = field; 915 916 out: 917 mlx4_free_cmd_mailbox(dev, mailbox); 918 return err; 919 } 920 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len); 921 922 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) 923 { 924 struct mlx4_cmd_mailbox *mailbox; 925 struct mlx4_icm_iter iter; 926 __be64 *pages; 927 int lg; 928 int nent = 0; 929 int i; 930 int err = 0; 931 int ts = 0, tc = 0; 932 933 mailbox = mlx4_alloc_cmd_mailbox(dev); 934 if (IS_ERR(mailbox)) 935 return PTR_ERR(mailbox); 936 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE); 937 pages = mailbox->buf; 938 939 for (mlx4_icm_first(icm, &iter); 940 !mlx4_icm_last(&iter); 941 mlx4_icm_next(&iter)) { 942 /* 943 * We have to pass pages that are aligned to their 944 * size, so find the least significant 1 in the 945 * address or size and use that as our log2 size. 946 */ 947 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; 948 if (lg < MLX4_ICM_PAGE_SHIFT) { 949 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n", 950 MLX4_ICM_PAGE_SIZE, 951 (unsigned long long) mlx4_icm_addr(&iter), 952 mlx4_icm_size(&iter)); 953 err = -EINVAL; 954 goto out; 955 } 956 957 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { 958 if (virt != -1) { 959 pages[nent * 2] = cpu_to_be64(virt); 960 virt += 1 << lg; 961 } 962 963 pages[nent * 2 + 1] = 964 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | 965 (lg - MLX4_ICM_PAGE_SHIFT)); 966 ts += 1 << (lg - 10); 967 ++tc; 968 969 if (++nent == MLX4_MAILBOX_SIZE / 16) { 970 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 971 MLX4_CMD_TIME_CLASS_B, 972 MLX4_CMD_NATIVE); 973 if (err) 974 goto out; 975 nent = 0; 976 } 977 } 978 } 979 980 if (nent) 981 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 982 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 983 if (err) 984 goto out; 985 986 switch (op) { 987 case MLX4_CMD_MAP_FA: 988 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts); 989 break; 990 case MLX4_CMD_MAP_ICM_AUX: 991 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts); 992 break; 993 case MLX4_CMD_MAP_ICM: 994 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n", 995 tc, ts, (unsigned long long) virt - (ts << 10)); 996 break; 997 } 998 999 out: 1000 mlx4_free_cmd_mailbox(dev, mailbox); 1001 return err; 1002 } 1003 1004 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) 1005 { 1006 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); 1007 } 1008 1009 int mlx4_UNMAP_FA(struct mlx4_dev *dev) 1010 { 1011 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, 1012 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 1013 } 1014 1015 1016 int mlx4_RUN_FW(struct mlx4_dev *dev) 1017 { 1018 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, 1019 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1020 } 1021 1022 int mlx4_QUERY_FW(struct mlx4_dev *dev) 1023 { 1024 struct mlx4_fw *fw = &mlx4_priv(dev)->fw; 1025 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 1026 struct mlx4_cmd_mailbox *mailbox; 1027 u32 *outbox; 1028 int err = 0; 1029 u64 fw_ver; 1030 u16 cmd_if_rev; 1031 u8 lg; 1032 1033 #define QUERY_FW_OUT_SIZE 0x100 1034 #define QUERY_FW_VER_OFFSET 0x00 1035 #define QUERY_FW_PPF_ID 0x09 1036 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a 1037 #define QUERY_FW_MAX_CMD_OFFSET 0x0f 1038 #define QUERY_FW_ERR_START_OFFSET 0x30 1039 #define QUERY_FW_ERR_SIZE_OFFSET 0x38 1040 #define QUERY_FW_ERR_BAR_OFFSET 0x3c 1041 1042 #define QUERY_FW_SIZE_OFFSET 0x00 1043 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 1044 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 1045 1046 #define QUERY_FW_COMM_BASE_OFFSET 0x40 1047 #define QUERY_FW_COMM_BAR_OFFSET 0x48 1048 1049 #define QUERY_FW_CLOCK_OFFSET 0x50 1050 #define QUERY_FW_CLOCK_BAR 0x58 1051 1052 mailbox = mlx4_alloc_cmd_mailbox(dev); 1053 if (IS_ERR(mailbox)) 1054 return PTR_ERR(mailbox); 1055 outbox = mailbox->buf; 1056 1057 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, 1058 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1059 if (err) 1060 goto out; 1061 1062 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); 1063 /* 1064 * FW subminor version is at more significant bits than minor 1065 * version, so swap here. 1066 */ 1067 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | 1068 ((fw_ver & 0xffff0000ull) >> 16) | 1069 ((fw_ver & 0x0000ffffull) << 16); 1070 1071 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); 1072 dev->caps.function = lg; 1073 1074 if (mlx4_is_slave(dev)) 1075 goto out; 1076 1077 1078 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); 1079 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || 1080 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { 1081 mlx4_err(dev, "Installed FW has unsupported " 1082 "command interface revision %d.\n", 1083 cmd_if_rev); 1084 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", 1085 (int) (dev->caps.fw_ver >> 32), 1086 (int) (dev->caps.fw_ver >> 16) & 0xffff, 1087 (int) dev->caps.fw_ver & 0xffff); 1088 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n", 1089 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); 1090 err = -ENODEV; 1091 goto out; 1092 } 1093 1094 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) 1095 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; 1096 1097 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); 1098 cmd->max_cmds = 1 << lg; 1099 1100 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", 1101 (int) (dev->caps.fw_ver >> 32), 1102 (int) (dev->caps.fw_ver >> 16) & 0xffff, 1103 (int) dev->caps.fw_ver & 0xffff, 1104 cmd_if_rev, cmd->max_cmds); 1105 1106 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); 1107 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); 1108 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); 1109 fw->catas_bar = (fw->catas_bar >> 6) * 2; 1110 1111 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", 1112 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); 1113 1114 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); 1115 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); 1116 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); 1117 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; 1118 1119 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); 1120 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); 1121 fw->comm_bar = (fw->comm_bar >> 6) * 2; 1122 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", 1123 fw->comm_bar, fw->comm_base); 1124 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); 1125 1126 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); 1127 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); 1128 fw->clock_bar = (fw->clock_bar >> 6) * 2; 1129 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", 1130 fw->clock_bar, fw->clock_offset); 1131 1132 /* 1133 * Round up number of system pages needed in case 1134 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 1135 */ 1136 fw->fw_pages = 1137 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 1138 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 1139 1140 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", 1141 (unsigned long long) fw->clr_int_base, fw->clr_int_bar); 1142 1143 out: 1144 mlx4_free_cmd_mailbox(dev, mailbox); 1145 return err; 1146 } 1147 1148 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, 1149 struct mlx4_vhcr *vhcr, 1150 struct mlx4_cmd_mailbox *inbox, 1151 struct mlx4_cmd_mailbox *outbox, 1152 struct mlx4_cmd_info *cmd) 1153 { 1154 u8 *outbuf; 1155 int err; 1156 1157 outbuf = outbox->buf; 1158 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW, 1159 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1160 if (err) 1161 return err; 1162 1163 /* for slaves, set pci PPF ID to invalid and zero out everything 1164 * else except FW version */ 1165 outbuf[0] = outbuf[1] = 0; 1166 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8); 1167 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID; 1168 1169 return 0; 1170 } 1171 1172 static void get_board_id(void *vsd, char *board_id) 1173 { 1174 int i; 1175 1176 #define VSD_OFFSET_SIG1 0x00 1177 #define VSD_OFFSET_SIG2 0xde 1178 #define VSD_OFFSET_MLX_BOARD_ID 0xd0 1179 #define VSD_OFFSET_TS_BOARD_ID 0x20 1180 1181 #define VSD_SIGNATURE_TOPSPIN 0x5ad 1182 1183 memset(board_id, 0, MLX4_BOARD_ID_LEN); 1184 1185 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && 1186 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { 1187 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); 1188 } else { 1189 /* 1190 * The board ID is a string but the firmware byte 1191 * swaps each 4-byte word before passing it back to 1192 * us. Therefore we need to swab it before printing. 1193 */ 1194 for (i = 0; i < 4; ++i) 1195 ((u32 *) board_id)[i] = 1196 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); 1197 } 1198 } 1199 1200 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) 1201 { 1202 struct mlx4_cmd_mailbox *mailbox; 1203 u32 *outbox; 1204 int err; 1205 1206 #define QUERY_ADAPTER_OUT_SIZE 0x100 1207 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 1208 #define QUERY_ADAPTER_VSD_OFFSET 0x20 1209 1210 mailbox = mlx4_alloc_cmd_mailbox(dev); 1211 if (IS_ERR(mailbox)) 1212 return PTR_ERR(mailbox); 1213 outbox = mailbox->buf; 1214 1215 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, 1216 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1217 if (err) 1218 goto out; 1219 1220 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); 1221 1222 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, 1223 adapter->board_id); 1224 1225 out: 1226 mlx4_free_cmd_mailbox(dev, mailbox); 1227 return err; 1228 } 1229 1230 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) 1231 { 1232 struct mlx4_cmd_mailbox *mailbox; 1233 __be32 *inbox; 1234 int err; 1235 1236 #define INIT_HCA_IN_SIZE 0x200 1237 #define INIT_HCA_VERSION_OFFSET 0x000 1238 #define INIT_HCA_VERSION 2 1239 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e 1240 #define INIT_HCA_FLAGS_OFFSET 0x014 1241 #define INIT_HCA_QPC_OFFSET 0x020 1242 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) 1243 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) 1244 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) 1245 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) 1246 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) 1247 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) 1248 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) 1249 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) 1250 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) 1251 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) 1252 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) 1253 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) 1254 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) 1255 #define INIT_HCA_MCAST_OFFSET 0x0c0 1256 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) 1257 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) 1258 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) 1259 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) 1260 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) 1261 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 1262 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 1263 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) 1264 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12) 1265 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) 1266 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) 1267 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22) 1268 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25) 1269 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26) 1270 #define INIT_HCA_TPT_OFFSET 0x0f0 1271 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) 1272 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08) 1273 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) 1274 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) 1275 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) 1276 #define INIT_HCA_UAR_OFFSET 0x120 1277 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) 1278 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) 1279 1280 mailbox = mlx4_alloc_cmd_mailbox(dev); 1281 if (IS_ERR(mailbox)) 1282 return PTR_ERR(mailbox); 1283 inbox = mailbox->buf; 1284 1285 memset(inbox, 0, INIT_HCA_IN_SIZE); 1286 1287 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; 1288 1289 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = 1290 (ilog2(cache_line_size()) - 4) << 5; 1291 1292 #if defined(__LITTLE_ENDIAN) 1293 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); 1294 #elif defined(__BIG_ENDIAN) 1295 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); 1296 #else 1297 #error Host endianness not defined 1298 #endif 1299 /* Check port for UD address vector: */ 1300 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); 1301 1302 /* Enable IPoIB checksumming if we can: */ 1303 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) 1304 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); 1305 1306 /* Enable QoS support if module parameter set */ 1307 if (enable_qos) 1308 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); 1309 1310 /* enable counters */ 1311 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) 1312 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); 1313 1314 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ 1315 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) { 1316 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29); 1317 dev->caps.eqe_size = 64; 1318 dev->caps.eqe_factor = 1; 1319 } else { 1320 dev->caps.eqe_size = 32; 1321 dev->caps.eqe_factor = 0; 1322 } 1323 1324 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) { 1325 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30); 1326 dev->caps.cqe_size = 64; 1327 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_64B_CQE; 1328 } else { 1329 dev->caps.cqe_size = 32; 1330 } 1331 1332 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1333 1334 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); 1335 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); 1336 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); 1337 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); 1338 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); 1339 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); 1340 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); 1341 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); 1342 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); 1343 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); 1344 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); 1345 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); 1346 1347 /* steering attributes */ 1348 if (dev->caps.steering_mode == 1349 MLX4_STEERING_MODE_DEVICE_MANAGED) { 1350 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= 1351 cpu_to_be32(1 << 1352 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN); 1353 1354 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET); 1355 MLX4_PUT(inbox, param->log_mc_entry_sz, 1356 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); 1357 MLX4_PUT(inbox, param->log_mc_table_sz, 1358 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); 1359 /* Enable Ethernet flow steering 1360 * with udp unicast and tcp unicast 1361 */ 1362 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), 1363 INIT_HCA_FS_ETH_BITS_OFFSET); 1364 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, 1365 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET); 1366 /* Enable IPoIB flow steering 1367 * with udp unicast and tcp unicast 1368 */ 1369 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), 1370 INIT_HCA_FS_IB_BITS_OFFSET); 1371 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, 1372 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET); 1373 } else { 1374 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); 1375 MLX4_PUT(inbox, param->log_mc_entry_sz, 1376 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 1377 MLX4_PUT(inbox, param->log_mc_hash_sz, 1378 INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 1379 MLX4_PUT(inbox, param->log_mc_table_sz, 1380 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 1381 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0) 1382 MLX4_PUT(inbox, (u8) (1 << 3), 1383 INIT_HCA_UC_STEERING_OFFSET); 1384 } 1385 1386 /* TPT attributes */ 1387 1388 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); 1389 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET); 1390 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); 1391 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); 1392 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); 1393 1394 /* UAR attributes */ 1395 1396 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); 1397 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); 1398 1399 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000, 1400 MLX4_CMD_NATIVE); 1401 1402 if (err) 1403 mlx4_err(dev, "INIT_HCA returns %d\n", err); 1404 1405 mlx4_free_cmd_mailbox(dev, mailbox); 1406 return err; 1407 } 1408 1409 int mlx4_QUERY_HCA(struct mlx4_dev *dev, 1410 struct mlx4_init_hca_param *param) 1411 { 1412 struct mlx4_cmd_mailbox *mailbox; 1413 __be32 *outbox; 1414 u32 dword_field; 1415 int err; 1416 u8 byte_field; 1417 1418 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 1419 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c 1420 1421 mailbox = mlx4_alloc_cmd_mailbox(dev); 1422 if (IS_ERR(mailbox)) 1423 return PTR_ERR(mailbox); 1424 outbox = mailbox->buf; 1425 1426 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, 1427 MLX4_CMD_QUERY_HCA, 1428 MLX4_CMD_TIME_CLASS_B, 1429 !mlx4_is_slave(dev)); 1430 if (err) 1431 goto out; 1432 1433 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); 1434 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); 1435 1436 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1437 1438 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); 1439 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); 1440 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); 1441 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); 1442 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); 1443 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); 1444 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); 1445 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); 1446 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); 1447 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); 1448 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); 1449 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); 1450 1451 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); 1452 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { 1453 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; 1454 } else { 1455 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET); 1456 if (byte_field & 0x8) 1457 param->steering_mode = MLX4_STEERING_MODE_B0; 1458 else 1459 param->steering_mode = MLX4_STEERING_MODE_A0; 1460 } 1461 /* steering attributes */ 1462 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { 1463 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); 1464 MLX4_GET(param->log_mc_entry_sz, outbox, 1465 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); 1466 MLX4_GET(param->log_mc_table_sz, outbox, 1467 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); 1468 } else { 1469 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); 1470 MLX4_GET(param->log_mc_entry_sz, outbox, 1471 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 1472 MLX4_GET(param->log_mc_hash_sz, outbox, 1473 INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 1474 MLX4_GET(param->log_mc_table_sz, outbox, 1475 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 1476 } 1477 1478 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ 1479 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS); 1480 if (byte_field & 0x20) /* 64-bytes eqe enabled */ 1481 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; 1482 if (byte_field & 0x40) /* 64-bytes cqe enabled */ 1483 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; 1484 1485 /* TPT attributes */ 1486 1487 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); 1488 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); 1489 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); 1490 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); 1491 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); 1492 1493 /* UAR attributes */ 1494 1495 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); 1496 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); 1497 1498 out: 1499 mlx4_free_cmd_mailbox(dev, mailbox); 1500 1501 return err; 1502 } 1503 1504 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0 1505 * and real QP0 are active, so that the paravirtualized QP0 is ready 1506 * to operate */ 1507 static int check_qp0_state(struct mlx4_dev *dev, int function, int port) 1508 { 1509 struct mlx4_priv *priv = mlx4_priv(dev); 1510 /* irrelevant if not infiniband */ 1511 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active && 1512 priv->mfunc.master.qp0_state[port].qp0_active) 1513 return 1; 1514 return 0; 1515 } 1516 1517 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, 1518 struct mlx4_vhcr *vhcr, 1519 struct mlx4_cmd_mailbox *inbox, 1520 struct mlx4_cmd_mailbox *outbox, 1521 struct mlx4_cmd_info *cmd) 1522 { 1523 struct mlx4_priv *priv = mlx4_priv(dev); 1524 int port = vhcr->in_modifier; 1525 int err; 1526 1527 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) 1528 return 0; 1529 1530 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { 1531 /* Enable port only if it was previously disabled */ 1532 if (!priv->mfunc.master.init_port_ref[port]) { 1533 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 1534 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1535 if (err) 1536 return err; 1537 } 1538 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 1539 } else { 1540 if (slave == mlx4_master_func_num(dev)) { 1541 if (check_qp0_state(dev, slave, port) && 1542 !priv->mfunc.master.qp0_state[port].port_active) { 1543 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 1544 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1545 if (err) 1546 return err; 1547 priv->mfunc.master.qp0_state[port].port_active = 1; 1548 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 1549 } 1550 } else 1551 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 1552 } 1553 ++priv->mfunc.master.init_port_ref[port]; 1554 return 0; 1555 } 1556 1557 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) 1558 { 1559 struct mlx4_cmd_mailbox *mailbox; 1560 u32 *inbox; 1561 int err; 1562 u32 flags; 1563 u16 field; 1564 1565 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 1566 #define INIT_PORT_IN_SIZE 256 1567 #define INIT_PORT_FLAGS_OFFSET 0x00 1568 #define INIT_PORT_FLAG_SIG (1 << 18) 1569 #define INIT_PORT_FLAG_NG (1 << 17) 1570 #define INIT_PORT_FLAG_G0 (1 << 16) 1571 #define INIT_PORT_VL_SHIFT 4 1572 #define INIT_PORT_PORT_WIDTH_SHIFT 8 1573 #define INIT_PORT_MTU_OFFSET 0x04 1574 #define INIT_PORT_MAX_GID_OFFSET 0x06 1575 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a 1576 #define INIT_PORT_GUID0_OFFSET 0x10 1577 #define INIT_PORT_NODE_GUID_OFFSET 0x18 1578 #define INIT_PORT_SI_GUID_OFFSET 0x20 1579 1580 mailbox = mlx4_alloc_cmd_mailbox(dev); 1581 if (IS_ERR(mailbox)) 1582 return PTR_ERR(mailbox); 1583 inbox = mailbox->buf; 1584 1585 memset(inbox, 0, INIT_PORT_IN_SIZE); 1586 1587 flags = 0; 1588 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; 1589 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; 1590 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); 1591 1592 field = 128 << dev->caps.ib_mtu_cap[port]; 1593 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); 1594 field = dev->caps.gid_table_len[port]; 1595 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); 1596 field = dev->caps.pkey_table_len[port]; 1597 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); 1598 1599 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, 1600 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1601 1602 mlx4_free_cmd_mailbox(dev, mailbox); 1603 } else 1604 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 1605 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 1606 1607 return err; 1608 } 1609 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); 1610 1611 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, 1612 struct mlx4_vhcr *vhcr, 1613 struct mlx4_cmd_mailbox *inbox, 1614 struct mlx4_cmd_mailbox *outbox, 1615 struct mlx4_cmd_info *cmd) 1616 { 1617 struct mlx4_priv *priv = mlx4_priv(dev); 1618 int port = vhcr->in_modifier; 1619 int err; 1620 1621 if (!(priv->mfunc.master.slave_state[slave].init_port_mask & 1622 (1 << port))) 1623 return 0; 1624 1625 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { 1626 if (priv->mfunc.master.init_port_ref[port] == 1) { 1627 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1628 1000, MLX4_CMD_NATIVE); 1629 if (err) 1630 return err; 1631 } 1632 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 1633 } else { 1634 /* infiniband port */ 1635 if (slave == mlx4_master_func_num(dev)) { 1636 if (!priv->mfunc.master.qp0_state[port].qp0_active && 1637 priv->mfunc.master.qp0_state[port].port_active) { 1638 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1639 1000, MLX4_CMD_NATIVE); 1640 if (err) 1641 return err; 1642 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 1643 priv->mfunc.master.qp0_state[port].port_active = 0; 1644 } 1645 } else 1646 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 1647 } 1648 --priv->mfunc.master.init_port_ref[port]; 1649 return 0; 1650 } 1651 1652 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) 1653 { 1654 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000, 1655 MLX4_CMD_WRAPPED); 1656 } 1657 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); 1658 1659 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) 1660 { 1661 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000, 1662 MLX4_CMD_NATIVE); 1663 } 1664 1665 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) 1666 { 1667 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, 1668 MLX4_CMD_SET_ICM_SIZE, 1669 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1670 if (ret) 1671 return ret; 1672 1673 /* 1674 * Round up number of system pages needed in case 1675 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 1676 */ 1677 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 1678 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 1679 1680 return 0; 1681 } 1682 1683 int mlx4_NOP(struct mlx4_dev *dev) 1684 { 1685 /* Input modifier of 0x1f means "finish as soon as possible." */ 1686 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE); 1687 } 1688 1689 #define MLX4_WOL_SETUP_MODE (5 << 28) 1690 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) 1691 { 1692 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 1693 1694 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, 1695 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, 1696 MLX4_CMD_NATIVE); 1697 } 1698 EXPORT_SYMBOL_GPL(mlx4_wol_read); 1699 1700 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) 1701 { 1702 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 1703 1704 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, 1705 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1706 } 1707 EXPORT_SYMBOL_GPL(mlx4_wol_write); 1708