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] = "DPDP", 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 }; 113 int i; 114 115 mlx4_dbg(dev, "DEV_CAP flags:\n"); 116 for (i = 0; i < ARRAY_SIZE(fname); ++i) 117 if (fname[i] && (flags & (1LL << i))) 118 mlx4_dbg(dev, " %s\n", fname[i]); 119 } 120 121 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) 122 { 123 struct mlx4_cmd_mailbox *mailbox; 124 u32 *inbox; 125 int err = 0; 126 127 #define MOD_STAT_CFG_IN_SIZE 0x100 128 129 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 130 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 131 132 mailbox = mlx4_alloc_cmd_mailbox(dev); 133 if (IS_ERR(mailbox)) 134 return PTR_ERR(mailbox); 135 inbox = mailbox->buf; 136 137 memset(inbox, 0, MOD_STAT_CFG_IN_SIZE); 138 139 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); 140 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); 141 142 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, 143 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 144 145 mlx4_free_cmd_mailbox(dev, mailbox); 146 return err; 147 } 148 149 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, 150 struct mlx4_vhcr *vhcr, 151 struct mlx4_cmd_mailbox *inbox, 152 struct mlx4_cmd_mailbox *outbox, 153 struct mlx4_cmd_info *cmd) 154 { 155 u8 field; 156 u32 size; 157 int err = 0; 158 159 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 160 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 161 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 162 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x10 163 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x14 164 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x18 165 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x20 166 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x24 167 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x28 168 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c 169 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0X30 170 171 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 172 #define QUERY_FUNC_CAP_ETH_PROPS_OFFSET 0xc 173 174 if (vhcr->op_modifier == 1) { 175 field = vhcr->in_modifier; 176 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 177 178 field = 0; /* ensure fvl bit is not set */ 179 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); 180 } else if (vhcr->op_modifier == 0) { 181 field = 1 << 7; /* enable only ethernet interface */ 182 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); 183 184 field = dev->caps.num_ports; 185 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 186 187 size = 0; /* no PF behavious is set for now */ 188 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 189 190 size = dev->caps.num_qps; 191 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 192 193 size = dev->caps.num_srqs; 194 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 195 196 size = dev->caps.num_cqs; 197 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 198 199 size = dev->caps.num_eqs; 200 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 201 202 size = dev->caps.reserved_eqs; 203 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 204 205 size = dev->caps.num_mpts; 206 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 207 208 size = dev->caps.num_mtts; 209 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 210 211 size = dev->caps.num_mgms + dev->caps.num_amgms; 212 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 213 214 } else 215 err = -EINVAL; 216 217 return err; 218 } 219 220 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, struct mlx4_func_cap *func_cap) 221 { 222 struct mlx4_cmd_mailbox *mailbox; 223 u32 *outbox; 224 u8 field; 225 u32 size; 226 int i; 227 int err = 0; 228 229 230 mailbox = mlx4_alloc_cmd_mailbox(dev); 231 if (IS_ERR(mailbox)) 232 return PTR_ERR(mailbox); 233 234 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FUNC_CAP, 235 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 236 if (err) 237 goto out; 238 239 outbox = mailbox->buf; 240 241 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); 242 if (!(field & (1 << 7))) { 243 mlx4_err(dev, "The host doesn't support eth interface\n"); 244 err = -EPROTONOSUPPORT; 245 goto out; 246 } 247 248 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 249 func_cap->num_ports = field; 250 251 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 252 func_cap->pf_context_behaviour = size; 253 254 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 255 func_cap->qp_quota = size & 0xFFFFFF; 256 257 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 258 func_cap->srq_quota = size & 0xFFFFFF; 259 260 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 261 func_cap->cq_quota = size & 0xFFFFFF; 262 263 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 264 func_cap->max_eq = size & 0xFFFFFF; 265 266 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 267 func_cap->reserved_eq = size & 0xFFFFFF; 268 269 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 270 func_cap->mpt_quota = size & 0xFFFFFF; 271 272 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 273 func_cap->mtt_quota = size & 0xFFFFFF; 274 275 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 276 func_cap->mcg_quota = size & 0xFFFFFF; 277 278 for (i = 1; i <= func_cap->num_ports; ++i) { 279 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 1, 280 MLX4_CMD_QUERY_FUNC_CAP, 281 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 282 if (err) 283 goto out; 284 285 MLX4_GET(field, outbox, QUERY_FUNC_CAP_ETH_PROPS_OFFSET); 286 if (field & (1 << 7)) { 287 mlx4_err(dev, "VLAN is enforced on this port\n"); 288 err = -EPROTONOSUPPORT; 289 goto out; 290 } 291 292 if (field & (1 << 6)) { 293 mlx4_err(dev, "Force mac is enabled on this port\n"); 294 err = -EPROTONOSUPPORT; 295 goto out; 296 } 297 298 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 299 func_cap->physical_port[i] = field; 300 } 301 302 /* All other resources are allocated by the master, but we still report 303 * 'num' and 'reserved' capabilities as follows: 304 * - num remains the maximum resource index 305 * - 'num - reserved' is the total available objects of a resource, but 306 * resource indices may be less than 'reserved' 307 * TODO: set per-resource quotas */ 308 309 out: 310 mlx4_free_cmd_mailbox(dev, mailbox); 311 312 return err; 313 } 314 315 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 316 { 317 struct mlx4_cmd_mailbox *mailbox; 318 u32 *outbox; 319 u8 field; 320 u32 field32, flags, ext_flags; 321 u16 size; 322 u16 stat_rate; 323 int err; 324 int i; 325 326 #define QUERY_DEV_CAP_OUT_SIZE 0x100 327 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 328 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 329 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 330 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 331 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 332 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 333 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 334 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 335 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 336 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a 337 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b 338 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d 339 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e 340 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f 341 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 342 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 343 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 344 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 345 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 346 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 347 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b 348 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d 349 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f 350 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 351 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 352 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 353 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 354 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 355 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b 356 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c 357 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f 358 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 359 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 360 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 361 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 362 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b 363 #define QUERY_DEV_CAP_BF_OFFSET 0x4c 364 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d 365 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e 366 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f 367 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 368 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 369 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 370 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 371 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 372 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 373 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 374 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 375 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 376 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 377 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 378 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 379 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 380 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 381 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 382 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 383 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 384 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a 385 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c 386 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e 387 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 388 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 389 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 390 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 391 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 392 393 mailbox = mlx4_alloc_cmd_mailbox(dev); 394 if (IS_ERR(mailbox)) 395 return PTR_ERR(mailbox); 396 outbox = mailbox->buf; 397 398 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 399 MLX4_CMD_TIME_CLASS_A, !mlx4_is_slave(dev)); 400 if (err) 401 goto out; 402 403 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); 404 dev_cap->reserved_qps = 1 << (field & 0xf); 405 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); 406 dev_cap->max_qps = 1 << (field & 0x1f); 407 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); 408 dev_cap->reserved_srqs = 1 << (field >> 4); 409 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); 410 dev_cap->max_srqs = 1 << (field & 0x1f); 411 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); 412 dev_cap->max_cq_sz = 1 << field; 413 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); 414 dev_cap->reserved_cqs = 1 << (field & 0xf); 415 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); 416 dev_cap->max_cqs = 1 << (field & 0x1f); 417 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); 418 dev_cap->max_mpts = 1 << (field & 0x3f); 419 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); 420 dev_cap->reserved_eqs = field & 0xf; 421 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); 422 dev_cap->max_eqs = 1 << (field & 0xf); 423 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); 424 dev_cap->reserved_mtts = 1 << (field >> 4); 425 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); 426 dev_cap->max_mrw_sz = 1 << field; 427 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); 428 dev_cap->reserved_mrws = 1 << (field & 0xf); 429 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); 430 dev_cap->max_mtt_seg = 1 << (field & 0x3f); 431 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); 432 dev_cap->max_requester_per_qp = 1 << (field & 0x3f); 433 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); 434 dev_cap->max_responder_per_qp = 1 << (field & 0x3f); 435 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); 436 field &= 0x1f; 437 if (!field) 438 dev_cap->max_gso_sz = 0; 439 else 440 dev_cap->max_gso_sz = 1 << field; 441 442 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); 443 dev_cap->max_rdma_global = 1 << (field & 0x3f); 444 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); 445 dev_cap->local_ca_ack_delay = field & 0x1f; 446 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 447 dev_cap->num_ports = field & 0xf; 448 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); 449 dev_cap->max_msg_sz = 1 << (field & 0x1f); 450 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); 451 dev_cap->stat_rate_support = stat_rate; 452 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 453 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); 454 dev_cap->flags = flags | (u64)ext_flags << 32; 455 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); 456 dev_cap->reserved_uars = field >> 4; 457 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); 458 dev_cap->uar_size = 1 << ((field & 0x3f) + 20); 459 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); 460 dev_cap->min_page_sz = 1 << field; 461 462 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); 463 if (field & 0x80) { 464 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); 465 dev_cap->bf_reg_size = 1 << (field & 0x1f); 466 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); 467 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) 468 field = 3; 469 dev_cap->bf_regs_per_page = 1 << (field & 0x3f); 470 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", 471 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); 472 } else { 473 dev_cap->bf_reg_size = 0; 474 mlx4_dbg(dev, "BlueFlame not available\n"); 475 } 476 477 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET); 478 dev_cap->max_sq_sg = field; 479 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET); 480 dev_cap->max_sq_desc_sz = size; 481 482 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET); 483 dev_cap->max_qp_per_mcg = 1 << field; 484 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET); 485 dev_cap->reserved_mgms = field & 0xf; 486 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET); 487 dev_cap->max_mcgs = 1 << field; 488 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET); 489 dev_cap->reserved_pds = field >> 4; 490 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); 491 dev_cap->max_pds = 1 << (field & 0x3f); 492 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET); 493 dev_cap->reserved_xrcds = field >> 4; 494 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); 495 dev_cap->max_xrcds = 1 << (field & 0x1f); 496 497 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET); 498 dev_cap->rdmarc_entry_sz = size; 499 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET); 500 dev_cap->qpc_entry_sz = size; 501 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET); 502 dev_cap->aux_entry_sz = size; 503 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET); 504 dev_cap->altc_entry_sz = size; 505 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET); 506 dev_cap->eqc_entry_sz = size; 507 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET); 508 dev_cap->cqc_entry_sz = size; 509 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET); 510 dev_cap->srq_entry_sz = size; 511 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET); 512 dev_cap->cmpt_entry_sz = size; 513 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET); 514 dev_cap->mtt_entry_sz = size; 515 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET); 516 dev_cap->dmpt_entry_sz = size; 517 518 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET); 519 dev_cap->max_srq_sz = 1 << field; 520 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET); 521 dev_cap->max_qp_sz = 1 << field; 522 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET); 523 dev_cap->resize_srq = field & 1; 524 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET); 525 dev_cap->max_rq_sg = field; 526 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET); 527 dev_cap->max_rq_desc_sz = size; 528 529 MLX4_GET(dev_cap->bmme_flags, outbox, 530 QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 531 MLX4_GET(dev_cap->reserved_lkey, outbox, 532 QUERY_DEV_CAP_RSVD_LKEY_OFFSET); 533 MLX4_GET(dev_cap->max_icm_sz, outbox, 534 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET); 535 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS) 536 MLX4_GET(dev_cap->max_counters, outbox, 537 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); 538 539 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 540 for (i = 1; i <= dev_cap->num_ports; ++i) { 541 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 542 dev_cap->max_vl[i] = field >> 4; 543 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); 544 dev_cap->ib_mtu[i] = field >> 4; 545 dev_cap->max_port_width[i] = field & 0xf; 546 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); 547 dev_cap->max_gids[i] = 1 << (field & 0xf); 548 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); 549 dev_cap->max_pkeys[i] = 1 << (field & 0xf); 550 } 551 } else { 552 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 553 #define QUERY_PORT_MTU_OFFSET 0x01 554 #define QUERY_PORT_ETH_MTU_OFFSET 0x02 555 #define QUERY_PORT_WIDTH_OFFSET 0x06 556 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 557 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a 558 #define QUERY_PORT_MAX_VL_OFFSET 0x0b 559 #define QUERY_PORT_MAC_OFFSET 0x10 560 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 561 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c 562 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 563 564 for (i = 1; i <= dev_cap->num_ports; ++i) { 565 err = mlx4_cmd_box(dev, 0, mailbox->dma, i, 0, MLX4_CMD_QUERY_PORT, 566 MLX4_CMD_TIME_CLASS_B, 567 !mlx4_is_slave(dev)); 568 if (err) 569 goto out; 570 571 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); 572 dev_cap->supported_port_types[i] = field & 3; 573 dev_cap->suggested_type[i] = (field >> 3) & 1; 574 dev_cap->default_sense[i] = (field >> 4) & 1; 575 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); 576 dev_cap->ib_mtu[i] = field & 0xf; 577 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); 578 dev_cap->max_port_width[i] = field & 0xf; 579 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); 580 dev_cap->max_gids[i] = 1 << (field >> 4); 581 dev_cap->max_pkeys[i] = 1 << (field & 0xf); 582 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); 583 dev_cap->max_vl[i] = field & 0xf; 584 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); 585 dev_cap->log_max_macs[i] = field & 0xf; 586 dev_cap->log_max_vlans[i] = field >> 4; 587 MLX4_GET(dev_cap->eth_mtu[i], outbox, QUERY_PORT_ETH_MTU_OFFSET); 588 MLX4_GET(dev_cap->def_mac[i], outbox, QUERY_PORT_MAC_OFFSET); 589 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); 590 dev_cap->trans_type[i] = field32 >> 24; 591 dev_cap->vendor_oui[i] = field32 & 0xffffff; 592 MLX4_GET(dev_cap->wavelength[i], outbox, QUERY_PORT_WAVELENGTH_OFFSET); 593 MLX4_GET(dev_cap->trans_code[i], outbox, QUERY_PORT_TRANS_CODE_OFFSET); 594 } 595 } 596 597 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", 598 dev_cap->bmme_flags, dev_cap->reserved_lkey); 599 600 /* 601 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then 602 * we can't use any EQs whose doorbell falls on that page, 603 * even if the EQ itself isn't reserved. 604 */ 605 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, 606 dev_cap->reserved_eqs); 607 608 mlx4_dbg(dev, "Max ICM size %lld MB\n", 609 (unsigned long long) dev_cap->max_icm_sz >> 20); 610 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", 611 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); 612 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", 613 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); 614 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", 615 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); 616 mlx4_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n", 617 dev_cap->max_eqs, dev_cap->reserved_eqs, dev_cap->eqc_entry_sz); 618 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", 619 dev_cap->reserved_mrws, dev_cap->reserved_mtts); 620 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", 621 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); 622 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", 623 dev_cap->max_pds, dev_cap->reserved_mgms); 624 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", 625 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); 626 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", 627 dev_cap->local_ca_ack_delay, 128 << dev_cap->ib_mtu[1], 628 dev_cap->max_port_width[1]); 629 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", 630 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); 631 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", 632 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); 633 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); 634 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); 635 636 dump_dev_cap_flags(dev, dev_cap->flags); 637 638 out: 639 mlx4_free_cmd_mailbox(dev, mailbox); 640 return err; 641 } 642 643 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, 644 struct mlx4_vhcr *vhcr, 645 struct mlx4_cmd_mailbox *inbox, 646 struct mlx4_cmd_mailbox *outbox, 647 struct mlx4_cmd_info *cmd) 648 { 649 u64 def_mac; 650 u8 port_type; 651 int err; 652 653 #define MLX4_PORT_SUPPORT_IB (1 << 0) 654 #define MLX4_PORT_SUGGEST_TYPE (1 << 3) 655 #define MLX4_PORT_DEFAULT_SENSE (1 << 4) 656 #define MLX4_VF_PORT_ETH_ONLY_MASK (0xff & ~MLX4_PORT_SUPPORT_IB & \ 657 ~MLX4_PORT_SUGGEST_TYPE & \ 658 ~MLX4_PORT_DEFAULT_SENSE) 659 660 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, 661 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 662 MLX4_CMD_NATIVE); 663 664 if (!err && dev->caps.function != slave) { 665 /* set slave default_mac address */ 666 MLX4_GET(def_mac, outbox->buf, QUERY_PORT_MAC_OFFSET); 667 def_mac += slave << 8; 668 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); 669 670 /* get port type - currently only eth is enabled */ 671 MLX4_GET(port_type, outbox->buf, 672 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 673 674 /* Allow only Eth port, no link sensing allowed */ 675 port_type &= MLX4_VF_PORT_ETH_ONLY_MASK; 676 677 /* check eth is enabled for this port */ 678 if (!(port_type & 2)) 679 mlx4_dbg(dev, "QUERY PORT: eth not supported by host"); 680 681 MLX4_PUT(outbox->buf, port_type, 682 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 683 } 684 685 return err; 686 } 687 688 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) 689 { 690 struct mlx4_cmd_mailbox *mailbox; 691 struct mlx4_icm_iter iter; 692 __be64 *pages; 693 int lg; 694 int nent = 0; 695 int i; 696 int err = 0; 697 int ts = 0, tc = 0; 698 699 mailbox = mlx4_alloc_cmd_mailbox(dev); 700 if (IS_ERR(mailbox)) 701 return PTR_ERR(mailbox); 702 memset(mailbox->buf, 0, MLX4_MAILBOX_SIZE); 703 pages = mailbox->buf; 704 705 for (mlx4_icm_first(icm, &iter); 706 !mlx4_icm_last(&iter); 707 mlx4_icm_next(&iter)) { 708 /* 709 * We have to pass pages that are aligned to their 710 * size, so find the least significant 1 in the 711 * address or size and use that as our log2 size. 712 */ 713 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; 714 if (lg < MLX4_ICM_PAGE_SHIFT) { 715 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx).\n", 716 MLX4_ICM_PAGE_SIZE, 717 (unsigned long long) mlx4_icm_addr(&iter), 718 mlx4_icm_size(&iter)); 719 err = -EINVAL; 720 goto out; 721 } 722 723 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { 724 if (virt != -1) { 725 pages[nent * 2] = cpu_to_be64(virt); 726 virt += 1 << lg; 727 } 728 729 pages[nent * 2 + 1] = 730 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | 731 (lg - MLX4_ICM_PAGE_SHIFT)); 732 ts += 1 << (lg - 10); 733 ++tc; 734 735 if (++nent == MLX4_MAILBOX_SIZE / 16) { 736 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 737 MLX4_CMD_TIME_CLASS_B, 738 MLX4_CMD_NATIVE); 739 if (err) 740 goto out; 741 nent = 0; 742 } 743 } 744 } 745 746 if (nent) 747 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 748 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 749 if (err) 750 goto out; 751 752 switch (op) { 753 case MLX4_CMD_MAP_FA: 754 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW.\n", tc, ts); 755 break; 756 case MLX4_CMD_MAP_ICM_AUX: 757 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux.\n", tc, ts); 758 break; 759 case MLX4_CMD_MAP_ICM: 760 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM.\n", 761 tc, ts, (unsigned long long) virt - (ts << 10)); 762 break; 763 } 764 765 out: 766 mlx4_free_cmd_mailbox(dev, mailbox); 767 return err; 768 } 769 770 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) 771 { 772 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); 773 } 774 775 int mlx4_UNMAP_FA(struct mlx4_dev *dev) 776 { 777 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, 778 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 779 } 780 781 782 int mlx4_RUN_FW(struct mlx4_dev *dev) 783 { 784 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, 785 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 786 } 787 788 int mlx4_QUERY_FW(struct mlx4_dev *dev) 789 { 790 struct mlx4_fw *fw = &mlx4_priv(dev)->fw; 791 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 792 struct mlx4_cmd_mailbox *mailbox; 793 u32 *outbox; 794 int err = 0; 795 u64 fw_ver; 796 u16 cmd_if_rev; 797 u8 lg; 798 799 #define QUERY_FW_OUT_SIZE 0x100 800 #define QUERY_FW_VER_OFFSET 0x00 801 #define QUERY_FW_PPF_ID 0x09 802 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a 803 #define QUERY_FW_MAX_CMD_OFFSET 0x0f 804 #define QUERY_FW_ERR_START_OFFSET 0x30 805 #define QUERY_FW_ERR_SIZE_OFFSET 0x38 806 #define QUERY_FW_ERR_BAR_OFFSET 0x3c 807 808 #define QUERY_FW_SIZE_OFFSET 0x00 809 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 810 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 811 812 #define QUERY_FW_COMM_BASE_OFFSET 0x40 813 #define QUERY_FW_COMM_BAR_OFFSET 0x48 814 815 mailbox = mlx4_alloc_cmd_mailbox(dev); 816 if (IS_ERR(mailbox)) 817 return PTR_ERR(mailbox); 818 outbox = mailbox->buf; 819 820 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, 821 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 822 if (err) 823 goto out; 824 825 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); 826 /* 827 * FW subminor version is at more significant bits than minor 828 * version, so swap here. 829 */ 830 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | 831 ((fw_ver & 0xffff0000ull) >> 16) | 832 ((fw_ver & 0x0000ffffull) << 16); 833 834 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); 835 dev->caps.function = lg; 836 837 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); 838 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || 839 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { 840 mlx4_err(dev, "Installed FW has unsupported " 841 "command interface revision %d.\n", 842 cmd_if_rev); 843 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", 844 (int) (dev->caps.fw_ver >> 32), 845 (int) (dev->caps.fw_ver >> 16) & 0xffff, 846 (int) dev->caps.fw_ver & 0xffff); 847 mlx4_err(dev, "This driver version supports only revisions %d to %d.\n", 848 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); 849 err = -ENODEV; 850 goto out; 851 } 852 853 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) 854 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; 855 856 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); 857 cmd->max_cmds = 1 << lg; 858 859 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", 860 (int) (dev->caps.fw_ver >> 32), 861 (int) (dev->caps.fw_ver >> 16) & 0xffff, 862 (int) dev->caps.fw_ver & 0xffff, 863 cmd_if_rev, cmd->max_cmds); 864 865 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); 866 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); 867 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); 868 fw->catas_bar = (fw->catas_bar >> 6) * 2; 869 870 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", 871 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); 872 873 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); 874 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); 875 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); 876 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; 877 878 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); 879 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); 880 fw->comm_bar = (fw->comm_bar >> 6) * 2; 881 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", 882 fw->comm_bar, fw->comm_base); 883 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); 884 885 /* 886 * Round up number of system pages needed in case 887 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 888 */ 889 fw->fw_pages = 890 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 891 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 892 893 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", 894 (unsigned long long) fw->clr_int_base, fw->clr_int_bar); 895 896 out: 897 mlx4_free_cmd_mailbox(dev, mailbox); 898 return err; 899 } 900 901 static void get_board_id(void *vsd, char *board_id) 902 { 903 int i; 904 905 #define VSD_OFFSET_SIG1 0x00 906 #define VSD_OFFSET_SIG2 0xde 907 #define VSD_OFFSET_MLX_BOARD_ID 0xd0 908 #define VSD_OFFSET_TS_BOARD_ID 0x20 909 910 #define VSD_SIGNATURE_TOPSPIN 0x5ad 911 912 memset(board_id, 0, MLX4_BOARD_ID_LEN); 913 914 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && 915 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { 916 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); 917 } else { 918 /* 919 * The board ID is a string but the firmware byte 920 * swaps each 4-byte word before passing it back to 921 * us. Therefore we need to swab it before printing. 922 */ 923 for (i = 0; i < 4; ++i) 924 ((u32 *) board_id)[i] = 925 swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4)); 926 } 927 } 928 929 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) 930 { 931 struct mlx4_cmd_mailbox *mailbox; 932 u32 *outbox; 933 int err; 934 935 #define QUERY_ADAPTER_OUT_SIZE 0x100 936 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 937 #define QUERY_ADAPTER_VSD_OFFSET 0x20 938 939 mailbox = mlx4_alloc_cmd_mailbox(dev); 940 if (IS_ERR(mailbox)) 941 return PTR_ERR(mailbox); 942 outbox = mailbox->buf; 943 944 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, 945 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 946 if (err) 947 goto out; 948 949 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); 950 951 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, 952 adapter->board_id); 953 954 out: 955 mlx4_free_cmd_mailbox(dev, mailbox); 956 return err; 957 } 958 959 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) 960 { 961 struct mlx4_cmd_mailbox *mailbox; 962 __be32 *inbox; 963 int err; 964 965 #define INIT_HCA_IN_SIZE 0x200 966 #define INIT_HCA_VERSION_OFFSET 0x000 967 #define INIT_HCA_VERSION 2 968 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e 969 #define INIT_HCA_FLAGS_OFFSET 0x014 970 #define INIT_HCA_QPC_OFFSET 0x020 971 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) 972 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) 973 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) 974 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) 975 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) 976 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) 977 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) 978 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) 979 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) 980 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) 981 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) 982 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) 983 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) 984 #define INIT_HCA_MCAST_OFFSET 0x0c0 985 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) 986 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) 987 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) 988 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) 989 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) 990 #define INIT_HCA_TPT_OFFSET 0x0f0 991 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) 992 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) 993 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) 994 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) 995 #define INIT_HCA_UAR_OFFSET 0x120 996 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) 997 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) 998 999 mailbox = mlx4_alloc_cmd_mailbox(dev); 1000 if (IS_ERR(mailbox)) 1001 return PTR_ERR(mailbox); 1002 inbox = mailbox->buf; 1003 1004 memset(inbox, 0, INIT_HCA_IN_SIZE); 1005 1006 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; 1007 1008 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = 1009 (ilog2(cache_line_size()) - 4) << 5; 1010 1011 #if defined(__LITTLE_ENDIAN) 1012 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); 1013 #elif defined(__BIG_ENDIAN) 1014 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); 1015 #else 1016 #error Host endianness not defined 1017 #endif 1018 /* Check port for UD address vector: */ 1019 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); 1020 1021 /* Enable IPoIB checksumming if we can: */ 1022 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) 1023 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); 1024 1025 /* Enable QoS support if module parameter set */ 1026 if (enable_qos) 1027 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); 1028 1029 /* enable counters */ 1030 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) 1031 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); 1032 1033 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1034 1035 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); 1036 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); 1037 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); 1038 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); 1039 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); 1040 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); 1041 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); 1042 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); 1043 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); 1044 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); 1045 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); 1046 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); 1047 1048 /* multicast attributes */ 1049 1050 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); 1051 MLX4_PUT(inbox, param->log_mc_entry_sz, INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 1052 MLX4_PUT(inbox, param->log_mc_hash_sz, INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 1053 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) 1054 MLX4_PUT(inbox, (u8) (1 << 3), INIT_HCA_UC_STEERING_OFFSET); 1055 MLX4_PUT(inbox, param->log_mc_table_sz, INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 1056 1057 /* TPT attributes */ 1058 1059 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); 1060 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); 1061 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); 1062 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); 1063 1064 /* UAR attributes */ 1065 1066 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); 1067 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); 1068 1069 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 10000, 1070 MLX4_CMD_NATIVE); 1071 1072 if (err) 1073 mlx4_err(dev, "INIT_HCA returns %d\n", err); 1074 1075 mlx4_free_cmd_mailbox(dev, mailbox); 1076 return err; 1077 } 1078 1079 int mlx4_QUERY_HCA(struct mlx4_dev *dev, 1080 struct mlx4_init_hca_param *param) 1081 { 1082 struct mlx4_cmd_mailbox *mailbox; 1083 __be32 *outbox; 1084 int err; 1085 1086 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 1087 1088 mailbox = mlx4_alloc_cmd_mailbox(dev); 1089 if (IS_ERR(mailbox)) 1090 return PTR_ERR(mailbox); 1091 outbox = mailbox->buf; 1092 1093 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, 1094 MLX4_CMD_QUERY_HCA, 1095 MLX4_CMD_TIME_CLASS_B, 1096 !mlx4_is_slave(dev)); 1097 if (err) 1098 goto out; 1099 1100 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); 1101 1102 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1103 1104 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); 1105 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); 1106 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); 1107 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); 1108 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); 1109 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); 1110 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); 1111 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); 1112 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); 1113 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); 1114 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); 1115 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); 1116 1117 /* multicast attributes */ 1118 1119 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); 1120 MLX4_GET(param->log_mc_entry_sz, outbox, 1121 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 1122 MLX4_GET(param->log_mc_hash_sz, outbox, 1123 INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 1124 MLX4_GET(param->log_mc_table_sz, outbox, 1125 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 1126 1127 /* TPT attributes */ 1128 1129 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); 1130 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); 1131 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); 1132 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); 1133 1134 /* UAR attributes */ 1135 1136 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); 1137 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); 1138 1139 out: 1140 mlx4_free_cmd_mailbox(dev, mailbox); 1141 1142 return err; 1143 } 1144 1145 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, 1146 struct mlx4_vhcr *vhcr, 1147 struct mlx4_cmd_mailbox *inbox, 1148 struct mlx4_cmd_mailbox *outbox, 1149 struct mlx4_cmd_info *cmd) 1150 { 1151 struct mlx4_priv *priv = mlx4_priv(dev); 1152 int port = vhcr->in_modifier; 1153 int err; 1154 1155 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) 1156 return 0; 1157 1158 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB) 1159 return -ENODEV; 1160 1161 /* Enable port only if it was previously disabled */ 1162 if (!priv->mfunc.master.init_port_ref[port]) { 1163 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 1164 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1165 if (err) 1166 return err; 1167 priv->mfunc.master.slave_state[slave].init_port_mask |= 1168 (1 << port); 1169 } 1170 ++priv->mfunc.master.init_port_ref[port]; 1171 return 0; 1172 } 1173 1174 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) 1175 { 1176 struct mlx4_cmd_mailbox *mailbox; 1177 u32 *inbox; 1178 int err; 1179 u32 flags; 1180 u16 field; 1181 1182 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 1183 #define INIT_PORT_IN_SIZE 256 1184 #define INIT_PORT_FLAGS_OFFSET 0x00 1185 #define INIT_PORT_FLAG_SIG (1 << 18) 1186 #define INIT_PORT_FLAG_NG (1 << 17) 1187 #define INIT_PORT_FLAG_G0 (1 << 16) 1188 #define INIT_PORT_VL_SHIFT 4 1189 #define INIT_PORT_PORT_WIDTH_SHIFT 8 1190 #define INIT_PORT_MTU_OFFSET 0x04 1191 #define INIT_PORT_MAX_GID_OFFSET 0x06 1192 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a 1193 #define INIT_PORT_GUID0_OFFSET 0x10 1194 #define INIT_PORT_NODE_GUID_OFFSET 0x18 1195 #define INIT_PORT_SI_GUID_OFFSET 0x20 1196 1197 mailbox = mlx4_alloc_cmd_mailbox(dev); 1198 if (IS_ERR(mailbox)) 1199 return PTR_ERR(mailbox); 1200 inbox = mailbox->buf; 1201 1202 memset(inbox, 0, INIT_PORT_IN_SIZE); 1203 1204 flags = 0; 1205 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; 1206 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; 1207 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); 1208 1209 field = 128 << dev->caps.ib_mtu_cap[port]; 1210 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); 1211 field = dev->caps.gid_table_len[port]; 1212 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); 1213 field = dev->caps.pkey_table_len[port]; 1214 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); 1215 1216 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, 1217 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1218 1219 mlx4_free_cmd_mailbox(dev, mailbox); 1220 } else 1221 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 1222 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 1223 1224 return err; 1225 } 1226 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); 1227 1228 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, 1229 struct mlx4_vhcr *vhcr, 1230 struct mlx4_cmd_mailbox *inbox, 1231 struct mlx4_cmd_mailbox *outbox, 1232 struct mlx4_cmd_info *cmd) 1233 { 1234 struct mlx4_priv *priv = mlx4_priv(dev); 1235 int port = vhcr->in_modifier; 1236 int err; 1237 1238 if (!(priv->mfunc.master.slave_state[slave].init_port_mask & 1239 (1 << port))) 1240 return 0; 1241 1242 if (dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB) 1243 return -ENODEV; 1244 if (priv->mfunc.master.init_port_ref[port] == 1) { 1245 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000, 1246 MLX4_CMD_NATIVE); 1247 if (err) 1248 return err; 1249 } 1250 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 1251 --priv->mfunc.master.init_port_ref[port]; 1252 return 0; 1253 } 1254 1255 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) 1256 { 1257 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 1000, 1258 MLX4_CMD_WRAPPED); 1259 } 1260 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); 1261 1262 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) 1263 { 1264 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 1000, 1265 MLX4_CMD_NATIVE); 1266 } 1267 1268 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) 1269 { 1270 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, 1271 MLX4_CMD_SET_ICM_SIZE, 1272 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1273 if (ret) 1274 return ret; 1275 1276 /* 1277 * Round up number of system pages needed in case 1278 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 1279 */ 1280 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 1281 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 1282 1283 return 0; 1284 } 1285 1286 int mlx4_NOP(struct mlx4_dev *dev) 1287 { 1288 /* Input modifier of 0x1f means "finish as soon as possible." */ 1289 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100, MLX4_CMD_NATIVE); 1290 } 1291 1292 #define MLX4_WOL_SETUP_MODE (5 << 28) 1293 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) 1294 { 1295 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 1296 1297 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, 1298 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, 1299 MLX4_CMD_NATIVE); 1300 } 1301 EXPORT_SYMBOL_GPL(mlx4_wol_read); 1302 1303 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) 1304 { 1305 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 1306 1307 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, 1308 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1309 } 1310 EXPORT_SYMBOL_GPL(mlx4_wol_write); 1311