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 = true; 53 module_param(enable_qos, bool, 0444); 54 MODULE_PARM_DESC(enable_qos, "Enable Enhanced QoS support (default: on)"); 55 56 #define MLX4_GET(dest, source, offset) \ 57 do { \ 58 void *__p = (char *) (source) + (offset); \ 59 u64 val; \ 60 switch (sizeof (dest)) { \ 61 case 1: (dest) = *(u8 *) __p; break; \ 62 case 2: (dest) = be16_to_cpup(__p); break; \ 63 case 4: (dest) = be32_to_cpup(__p); break; \ 64 case 8: val = get_unaligned((u64 *)__p); \ 65 (dest) = be64_to_cpu(val); break; \ 66 default: __buggy_use_of_MLX4_GET(); \ 67 } \ 68 } while (0) 69 70 #define MLX4_PUT(dest, source, offset) \ 71 do { \ 72 void *__d = ((char *) (dest) + (offset)); \ 73 switch (sizeof(source)) { \ 74 case 1: *(u8 *) __d = (source); break; \ 75 case 2: *(__be16 *) __d = cpu_to_be16(source); break; \ 76 case 4: *(__be32 *) __d = cpu_to_be32(source); break; \ 77 case 8: *(__be64 *) __d = cpu_to_be64(source); break; \ 78 default: __buggy_use_of_MLX4_PUT(); \ 79 } \ 80 } while (0) 81 82 static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags) 83 { 84 static const char *fname[] = { 85 [ 0] = "RC transport", 86 [ 1] = "UC transport", 87 [ 2] = "UD transport", 88 [ 3] = "XRC transport", 89 [ 6] = "SRQ support", 90 [ 7] = "IPoIB checksum offload", 91 [ 8] = "P_Key violation counter", 92 [ 9] = "Q_Key violation counter", 93 [12] = "Dual Port Different Protocol (DPDP) support", 94 [15] = "Big LSO headers", 95 [16] = "MW support", 96 [17] = "APM support", 97 [18] = "Atomic ops support", 98 [19] = "Raw multicast support", 99 [20] = "Address vector port checking support", 100 [21] = "UD multicast support", 101 [30] = "IBoE support", 102 [32] = "Unicast loopback support", 103 [34] = "FCS header control", 104 [37] = "Wake On LAN (port1) support", 105 [38] = "Wake On LAN (port2) support", 106 [40] = "UDP RSS support", 107 [41] = "Unicast VEP steering support", 108 [42] = "Multicast VEP steering support", 109 [48] = "Counters support", 110 [52] = "RSS IP fragments support", 111 [53] = "Port ETS Scheduler support", 112 [55] = "Port link type sensing support", 113 [59] = "Port management change event support", 114 [61] = "64 byte EQE support", 115 [62] = "64 byte CQE support", 116 }; 117 int i; 118 119 mlx4_dbg(dev, "DEV_CAP flags:\n"); 120 for (i = 0; i < ARRAY_SIZE(fname); ++i) 121 if (fname[i] && (flags & (1LL << i))) 122 mlx4_dbg(dev, " %s\n", fname[i]); 123 } 124 125 static void dump_dev_cap_flags2(struct mlx4_dev *dev, u64 flags) 126 { 127 static const char * const fname[] = { 128 [0] = "RSS support", 129 [1] = "RSS Toeplitz Hash Function support", 130 [2] = "RSS XOR Hash Function support", 131 [3] = "Device managed flow steering support", 132 [4] = "Automatic MAC reassignment support", 133 [5] = "Time stamping support", 134 [6] = "VST (control vlan insertion/stripping) support", 135 [7] = "FSM (MAC anti-spoofing) support", 136 [8] = "Dynamic QP updates support", 137 [9] = "Device managed flow steering IPoIB support", 138 [10] = "TCP/IP offloads/flow-steering for VXLAN support", 139 [11] = "MAD DEMUX (Secure-Host) support", 140 [12] = "Large cache line (>64B) CQE stride support", 141 [13] = "Large cache line (>64B) EQE stride support", 142 [14] = "Ethernet protocol control support", 143 [15] = "Ethernet Backplane autoneg support", 144 [16] = "CONFIG DEV support", 145 [17] = "Asymmetric EQs support", 146 [18] = "More than 80 VFs support", 147 [19] = "Performance optimized for limited rule configuration flow steering support", 148 [20] = "Recoverable error events support", 149 [21] = "Port Remap support", 150 [22] = "QCN support", 151 [23] = "QP rate limiting support", 152 [24] = "Ethernet Flow control statistics support", 153 [25] = "Granular QoS per VF support", 154 [26] = "Port ETS Scheduler support", 155 [27] = "Port beacon support", 156 [28] = "RX-ALL support", 157 [29] = "802.1ad offload support", 158 [31] = "Modifying loopback source checks using UPDATE_QP support", 159 [32] = "Loopback source checks support", 160 [33] = "RoCEv2 support", 161 [34] = "DMFS Sniffer support (UC & MC)" 162 }; 163 int i; 164 165 for (i = 0; i < ARRAY_SIZE(fname); ++i) 166 if (fname[i] && (flags & (1LL << i))) 167 mlx4_dbg(dev, " %s\n", fname[i]); 168 } 169 170 int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg) 171 { 172 struct mlx4_cmd_mailbox *mailbox; 173 u32 *inbox; 174 int err = 0; 175 176 #define MOD_STAT_CFG_IN_SIZE 0x100 177 178 #define MOD_STAT_CFG_PG_SZ_M_OFFSET 0x002 179 #define MOD_STAT_CFG_PG_SZ_OFFSET 0x003 180 181 mailbox = mlx4_alloc_cmd_mailbox(dev); 182 if (IS_ERR(mailbox)) 183 return PTR_ERR(mailbox); 184 inbox = mailbox->buf; 185 186 MLX4_PUT(inbox, cfg->log_pg_sz, MOD_STAT_CFG_PG_SZ_OFFSET); 187 MLX4_PUT(inbox, cfg->log_pg_sz_m, MOD_STAT_CFG_PG_SZ_M_OFFSET); 188 189 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_MOD_STAT_CFG, 190 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 191 192 mlx4_free_cmd_mailbox(dev, mailbox); 193 return err; 194 } 195 196 int mlx4_QUERY_FUNC(struct mlx4_dev *dev, struct mlx4_func *func, int slave) 197 { 198 struct mlx4_cmd_mailbox *mailbox; 199 u32 *outbox; 200 u8 in_modifier; 201 u8 field; 202 u16 field16; 203 int err; 204 205 #define QUERY_FUNC_BUS_OFFSET 0x00 206 #define QUERY_FUNC_DEVICE_OFFSET 0x01 207 #define QUERY_FUNC_FUNCTION_OFFSET 0x01 208 #define QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET 0x03 209 #define QUERY_FUNC_RSVD_EQS_OFFSET 0x04 210 #define QUERY_FUNC_MAX_EQ_OFFSET 0x06 211 #define QUERY_FUNC_RSVD_UARS_OFFSET 0x0b 212 213 mailbox = mlx4_alloc_cmd_mailbox(dev); 214 if (IS_ERR(mailbox)) 215 return PTR_ERR(mailbox); 216 outbox = mailbox->buf; 217 218 in_modifier = slave; 219 220 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, 0, 221 MLX4_CMD_QUERY_FUNC, 222 MLX4_CMD_TIME_CLASS_A, 223 MLX4_CMD_NATIVE); 224 if (err) 225 goto out; 226 227 MLX4_GET(field, outbox, QUERY_FUNC_BUS_OFFSET); 228 func->bus = field & 0xf; 229 MLX4_GET(field, outbox, QUERY_FUNC_DEVICE_OFFSET); 230 func->device = field & 0xf1; 231 MLX4_GET(field, outbox, QUERY_FUNC_FUNCTION_OFFSET); 232 func->function = field & 0x7; 233 MLX4_GET(field, outbox, QUERY_FUNC_PHYSICAL_FUNCTION_OFFSET); 234 func->physical_function = field & 0xf; 235 MLX4_GET(field16, outbox, QUERY_FUNC_RSVD_EQS_OFFSET); 236 func->rsvd_eqs = field16 & 0xffff; 237 MLX4_GET(field16, outbox, QUERY_FUNC_MAX_EQ_OFFSET); 238 func->max_eq = field16 & 0xffff; 239 MLX4_GET(field, outbox, QUERY_FUNC_RSVD_UARS_OFFSET); 240 func->rsvd_uars = field & 0x0f; 241 242 mlx4_dbg(dev, "Bus: %d, Device: %d, Function: %d, Physical function: %d, Max EQs: %d, Reserved EQs: %d, Reserved UARs: %d\n", 243 func->bus, func->device, func->function, func->physical_function, 244 func->max_eq, func->rsvd_eqs, func->rsvd_uars); 245 246 out: 247 mlx4_free_cmd_mailbox(dev, mailbox); 248 return err; 249 } 250 251 int mlx4_QUERY_FUNC_CAP_wrapper(struct mlx4_dev *dev, int slave, 252 struct mlx4_vhcr *vhcr, 253 struct mlx4_cmd_mailbox *inbox, 254 struct mlx4_cmd_mailbox *outbox, 255 struct mlx4_cmd_info *cmd) 256 { 257 struct mlx4_priv *priv = mlx4_priv(dev); 258 u8 field, port; 259 u32 size, proxy_qp, qkey; 260 int err = 0; 261 struct mlx4_func func; 262 263 #define QUERY_FUNC_CAP_FLAGS_OFFSET 0x0 264 #define QUERY_FUNC_CAP_NUM_PORTS_OFFSET 0x1 265 #define QUERY_FUNC_CAP_PF_BHVR_OFFSET 0x4 266 #define QUERY_FUNC_CAP_FMR_OFFSET 0x8 267 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP 0x10 268 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP 0x14 269 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP 0x18 270 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP 0x20 271 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP 0x24 272 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP 0x28 273 #define QUERY_FUNC_CAP_MAX_EQ_OFFSET 0x2c 274 #define QUERY_FUNC_CAP_RESERVED_EQ_OFFSET 0x30 275 #define QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET 0x48 276 277 #define QUERY_FUNC_CAP_QP_QUOTA_OFFSET 0x50 278 #define QUERY_FUNC_CAP_CQ_QUOTA_OFFSET 0x54 279 #define QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET 0x58 280 #define QUERY_FUNC_CAP_MPT_QUOTA_OFFSET 0x60 281 #define QUERY_FUNC_CAP_MTT_QUOTA_OFFSET 0x64 282 #define QUERY_FUNC_CAP_MCG_QUOTA_OFFSET 0x68 283 284 #define QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET 0x6c 285 286 #define QUERY_FUNC_CAP_FMR_FLAG 0x80 287 #define QUERY_FUNC_CAP_FLAG_RDMA 0x40 288 #define QUERY_FUNC_CAP_FLAG_ETH 0x80 289 #define QUERY_FUNC_CAP_FLAG_QUOTAS 0x10 290 #define QUERY_FUNC_CAP_FLAG_RESD_LKEY 0x08 291 #define QUERY_FUNC_CAP_FLAG_VALID_MAILBOX 0x04 292 293 #define QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG (1UL << 31) 294 #define QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG (1UL << 30) 295 296 /* when opcode modifier = 1 */ 297 #define QUERY_FUNC_CAP_PHYS_PORT_OFFSET 0x3 298 #define QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET 0x4 299 #define QUERY_FUNC_CAP_FLAGS0_OFFSET 0x8 300 #define QUERY_FUNC_CAP_FLAGS1_OFFSET 0xc 301 302 #define QUERY_FUNC_CAP_QP0_TUNNEL 0x10 303 #define QUERY_FUNC_CAP_QP0_PROXY 0x14 304 #define QUERY_FUNC_CAP_QP1_TUNNEL 0x18 305 #define QUERY_FUNC_CAP_QP1_PROXY 0x1c 306 #define QUERY_FUNC_CAP_PHYS_PORT_ID 0x28 307 308 #define QUERY_FUNC_CAP_FLAGS1_FORCE_MAC 0x40 309 #define QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN 0x80 310 #define QUERY_FUNC_CAP_FLAGS1_NIC_INFO 0x10 311 #define QUERY_FUNC_CAP_VF_ENABLE_QP0 0x08 312 313 #define QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID 0x80 314 #define QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS (1 << 31) 315 #define QUERY_FUNC_CAP_PHV_BIT 0x40 316 317 if (vhcr->op_modifier == 1) { 318 struct mlx4_active_ports actv_ports = 319 mlx4_get_active_ports(dev, slave); 320 int converted_port = mlx4_slave_convert_port( 321 dev, slave, vhcr->in_modifier); 322 323 if (converted_port < 0) 324 return -EINVAL; 325 326 vhcr->in_modifier = converted_port; 327 /* phys-port = logical-port */ 328 field = vhcr->in_modifier - 329 find_first_bit(actv_ports.ports, dev->caps.num_ports); 330 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 331 332 port = vhcr->in_modifier; 333 proxy_qp = dev->phys_caps.base_proxy_sqpn + 8 * slave + port - 1; 334 335 /* Set nic_info bit to mark new fields support */ 336 field = QUERY_FUNC_CAP_FLAGS1_NIC_INFO; 337 338 if (mlx4_vf_smi_enabled(dev, slave, port) && 339 !mlx4_get_parav_qkey(dev, proxy_qp, &qkey)) { 340 field |= QUERY_FUNC_CAP_VF_ENABLE_QP0; 341 MLX4_PUT(outbox->buf, qkey, 342 QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); 343 } 344 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS1_OFFSET); 345 346 /* size is now the QP number */ 347 size = dev->phys_caps.base_tunnel_sqpn + 8 * slave + port - 1; 348 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP0_TUNNEL); 349 350 size += 2; 351 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP1_TUNNEL); 352 353 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP0_PROXY); 354 proxy_qp += 2; 355 MLX4_PUT(outbox->buf, proxy_qp, QUERY_FUNC_CAP_QP1_PROXY); 356 357 MLX4_PUT(outbox->buf, dev->caps.phys_port_id[vhcr->in_modifier], 358 QUERY_FUNC_CAP_PHYS_PORT_ID); 359 360 if (dev->caps.phv_bit[port]) { 361 field = QUERY_FUNC_CAP_PHV_BIT; 362 MLX4_PUT(outbox->buf, field, 363 QUERY_FUNC_CAP_FLAGS0_OFFSET); 364 } 365 366 } else if (vhcr->op_modifier == 0) { 367 struct mlx4_active_ports actv_ports = 368 mlx4_get_active_ports(dev, slave); 369 /* enable rdma and ethernet interfaces, new quota locations, 370 * and reserved lkey 371 */ 372 field = (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA | 373 QUERY_FUNC_CAP_FLAG_QUOTAS | QUERY_FUNC_CAP_FLAG_VALID_MAILBOX | 374 QUERY_FUNC_CAP_FLAG_RESD_LKEY); 375 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FLAGS_OFFSET); 376 377 field = min( 378 bitmap_weight(actv_ports.ports, dev->caps.num_ports), 379 dev->caps.num_ports); 380 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 381 382 size = dev->caps.function_caps; /* set PF behaviours */ 383 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 384 385 field = 0; /* protected FMR support not available as yet */ 386 MLX4_PUT(outbox->buf, field, QUERY_FUNC_CAP_FMR_OFFSET); 387 388 size = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[slave]; 389 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 390 size = dev->caps.num_qps; 391 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); 392 393 size = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[slave]; 394 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 395 size = dev->caps.num_srqs; 396 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); 397 398 size = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[slave]; 399 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 400 size = dev->caps.num_cqs; 401 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); 402 403 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SYS_EQS) || 404 mlx4_QUERY_FUNC(dev, &func, slave)) { 405 size = vhcr->in_modifier & 406 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? 407 dev->caps.num_eqs : 408 rounddown_pow_of_two(dev->caps.num_eqs); 409 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 410 size = dev->caps.reserved_eqs; 411 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 412 } else { 413 size = vhcr->in_modifier & 414 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS ? 415 func.max_eq : 416 rounddown_pow_of_two(func.max_eq); 417 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 418 size = func.rsvd_eqs; 419 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 420 } 421 422 size = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[slave]; 423 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 424 size = dev->caps.num_mpts; 425 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); 426 427 size = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[slave]; 428 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 429 size = dev->caps.num_mtts; 430 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); 431 432 size = dev->caps.num_mgms + dev->caps.num_amgms; 433 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 434 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); 435 436 size = QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG | 437 QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG; 438 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); 439 440 size = dev->caps.reserved_lkey + ((slave << 8) & 0xFF00); 441 MLX4_PUT(outbox->buf, size, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET); 442 } else 443 err = -EINVAL; 444 445 return err; 446 } 447 448 int mlx4_QUERY_FUNC_CAP(struct mlx4_dev *dev, u8 gen_or_port, 449 struct mlx4_func_cap *func_cap) 450 { 451 struct mlx4_cmd_mailbox *mailbox; 452 u32 *outbox; 453 u8 field, op_modifier; 454 u32 size, qkey; 455 int err = 0, quotas = 0; 456 u32 in_modifier; 457 458 op_modifier = !!gen_or_port; /* 0 = general, 1 = logical port */ 459 in_modifier = op_modifier ? gen_or_port : 460 QUERY_FUNC_CAP_SUPPORTS_NON_POWER_OF_2_NUM_EQS; 461 462 mailbox = mlx4_alloc_cmd_mailbox(dev); 463 if (IS_ERR(mailbox)) 464 return PTR_ERR(mailbox); 465 466 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_modifier, op_modifier, 467 MLX4_CMD_QUERY_FUNC_CAP, 468 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 469 if (err) 470 goto out; 471 472 outbox = mailbox->buf; 473 474 if (!op_modifier) { 475 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS_OFFSET); 476 if (!(field & (QUERY_FUNC_CAP_FLAG_ETH | QUERY_FUNC_CAP_FLAG_RDMA))) { 477 mlx4_err(dev, "The host supports neither eth nor rdma interfaces\n"); 478 err = -EPROTONOSUPPORT; 479 goto out; 480 } 481 func_cap->flags = field; 482 quotas = !!(func_cap->flags & QUERY_FUNC_CAP_FLAG_QUOTAS); 483 484 MLX4_GET(field, outbox, QUERY_FUNC_CAP_NUM_PORTS_OFFSET); 485 func_cap->num_ports = field; 486 487 MLX4_GET(size, outbox, QUERY_FUNC_CAP_PF_BHVR_OFFSET); 488 func_cap->pf_context_behaviour = size; 489 490 if (quotas) { 491 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET); 492 func_cap->qp_quota = size & 0xFFFFFF; 493 494 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET); 495 func_cap->srq_quota = size & 0xFFFFFF; 496 497 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET); 498 func_cap->cq_quota = size & 0xFFFFFF; 499 500 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET); 501 func_cap->mpt_quota = size & 0xFFFFFF; 502 503 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET); 504 func_cap->mtt_quota = size & 0xFFFFFF; 505 506 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET); 507 func_cap->mcg_quota = size & 0xFFFFFF; 508 509 } else { 510 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_QUOTA_OFFSET_DEP); 511 func_cap->qp_quota = size & 0xFFFFFF; 512 513 MLX4_GET(size, outbox, QUERY_FUNC_CAP_SRQ_QUOTA_OFFSET_DEP); 514 func_cap->srq_quota = size & 0xFFFFFF; 515 516 MLX4_GET(size, outbox, QUERY_FUNC_CAP_CQ_QUOTA_OFFSET_DEP); 517 func_cap->cq_quota = size & 0xFFFFFF; 518 519 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MPT_QUOTA_OFFSET_DEP); 520 func_cap->mpt_quota = size & 0xFFFFFF; 521 522 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MTT_QUOTA_OFFSET_DEP); 523 func_cap->mtt_quota = size & 0xFFFFFF; 524 525 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MCG_QUOTA_OFFSET_DEP); 526 func_cap->mcg_quota = size & 0xFFFFFF; 527 } 528 MLX4_GET(size, outbox, QUERY_FUNC_CAP_MAX_EQ_OFFSET); 529 func_cap->max_eq = size & 0xFFFFFF; 530 531 MLX4_GET(size, outbox, QUERY_FUNC_CAP_RESERVED_EQ_OFFSET); 532 func_cap->reserved_eq = size & 0xFFFFFF; 533 534 if (func_cap->flags & QUERY_FUNC_CAP_FLAG_RESD_LKEY) { 535 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP_RESD_LKEY_OFFSET); 536 func_cap->reserved_lkey = size; 537 } else { 538 func_cap->reserved_lkey = 0; 539 } 540 541 func_cap->extra_flags = 0; 542 543 /* Mailbox data from 0x6c and onward should only be treated if 544 * QUERY_FUNC_CAP_FLAG_VALID_MAILBOX is set in func_cap->flags 545 */ 546 if (func_cap->flags & QUERY_FUNC_CAP_FLAG_VALID_MAILBOX) { 547 MLX4_GET(size, outbox, QUERY_FUNC_CAP_EXTRA_FLAGS_OFFSET); 548 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_BF_QP_ALLOC_FLAG) 549 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_BF_RES_QP; 550 if (size & QUERY_FUNC_CAP_EXTRA_FLAGS_A0_QP_ALLOC_FLAG) 551 func_cap->extra_flags |= MLX4_QUERY_FUNC_FLAGS_A0_RES_QP; 552 } 553 554 goto out; 555 } 556 557 /* logical port query */ 558 if (gen_or_port > dev->caps.num_ports) { 559 err = -EINVAL; 560 goto out; 561 } 562 563 MLX4_GET(func_cap->flags1, outbox, QUERY_FUNC_CAP_FLAGS1_OFFSET); 564 if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_ETH) { 565 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_VLAN) { 566 mlx4_err(dev, "VLAN is enforced on this port\n"); 567 err = -EPROTONOSUPPORT; 568 goto out; 569 } 570 571 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_FORCE_MAC) { 572 mlx4_err(dev, "Force mac is enabled on this port\n"); 573 err = -EPROTONOSUPPORT; 574 goto out; 575 } 576 } else if (dev->caps.port_type[gen_or_port] == MLX4_PORT_TYPE_IB) { 577 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); 578 if (field & QUERY_FUNC_CAP_FLAGS0_FORCE_PHY_WQE_GID) { 579 mlx4_err(dev, "phy_wqe_gid is enforced on this ib port\n"); 580 err = -EPROTONOSUPPORT; 581 goto out; 582 } 583 } 584 585 MLX4_GET(field, outbox, QUERY_FUNC_CAP_PHYS_PORT_OFFSET); 586 func_cap->physical_port = field; 587 if (func_cap->physical_port != gen_or_port) { 588 err = -ENOSYS; 589 goto out; 590 } 591 592 if (func_cap->flags1 & QUERY_FUNC_CAP_VF_ENABLE_QP0) { 593 MLX4_GET(qkey, outbox, QUERY_FUNC_CAP_PRIV_VF_QKEY_OFFSET); 594 func_cap->qp0_qkey = qkey; 595 } else { 596 func_cap->qp0_qkey = 0; 597 } 598 599 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_TUNNEL); 600 func_cap->qp0_tunnel_qpn = size & 0xFFFFFF; 601 602 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP0_PROXY); 603 func_cap->qp0_proxy_qpn = size & 0xFFFFFF; 604 605 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_TUNNEL); 606 func_cap->qp1_tunnel_qpn = size & 0xFFFFFF; 607 608 MLX4_GET(size, outbox, QUERY_FUNC_CAP_QP1_PROXY); 609 func_cap->qp1_proxy_qpn = size & 0xFFFFFF; 610 611 if (func_cap->flags1 & QUERY_FUNC_CAP_FLAGS1_NIC_INFO) 612 MLX4_GET(func_cap->phys_port_id, outbox, 613 QUERY_FUNC_CAP_PHYS_PORT_ID); 614 615 MLX4_GET(field, outbox, QUERY_FUNC_CAP_FLAGS0_OFFSET); 616 func_cap->flags |= (field & QUERY_FUNC_CAP_PHV_BIT); 617 618 /* All other resources are allocated by the master, but we still report 619 * 'num' and 'reserved' capabilities as follows: 620 * - num remains the maximum resource index 621 * - 'num - reserved' is the total available objects of a resource, but 622 * resource indices may be less than 'reserved' 623 * TODO: set per-resource quotas */ 624 625 out: 626 mlx4_free_cmd_mailbox(dev, mailbox); 627 628 return err; 629 } 630 631 static void disable_unsupported_roce_caps(void *buf); 632 633 int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 634 { 635 struct mlx4_cmd_mailbox *mailbox; 636 u32 *outbox; 637 u8 field; 638 u32 field32, flags, ext_flags; 639 u16 size; 640 u16 stat_rate; 641 int err; 642 int i; 643 644 #define QUERY_DEV_CAP_OUT_SIZE 0x100 645 #define QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET 0x10 646 #define QUERY_DEV_CAP_MAX_QP_SZ_OFFSET 0x11 647 #define QUERY_DEV_CAP_RSVD_QP_OFFSET 0x12 648 #define QUERY_DEV_CAP_MAX_QP_OFFSET 0x13 649 #define QUERY_DEV_CAP_RSVD_SRQ_OFFSET 0x14 650 #define QUERY_DEV_CAP_MAX_SRQ_OFFSET 0x15 651 #define QUERY_DEV_CAP_RSVD_EEC_OFFSET 0x16 652 #define QUERY_DEV_CAP_MAX_EEC_OFFSET 0x17 653 #define QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET 0x19 654 #define QUERY_DEV_CAP_RSVD_CQ_OFFSET 0x1a 655 #define QUERY_DEV_CAP_MAX_CQ_OFFSET 0x1b 656 #define QUERY_DEV_CAP_MAX_MPT_OFFSET 0x1d 657 #define QUERY_DEV_CAP_RSVD_EQ_OFFSET 0x1e 658 #define QUERY_DEV_CAP_MAX_EQ_OFFSET 0x1f 659 #define QUERY_DEV_CAP_RSVD_MTT_OFFSET 0x20 660 #define QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET 0x21 661 #define QUERY_DEV_CAP_RSVD_MRW_OFFSET 0x22 662 #define QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET 0x23 663 #define QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET 0x26 664 #define QUERY_DEV_CAP_MAX_AV_OFFSET 0x27 665 #define QUERY_DEV_CAP_MAX_REQ_QP_OFFSET 0x29 666 #define QUERY_DEV_CAP_MAX_RES_QP_OFFSET 0x2b 667 #define QUERY_DEV_CAP_MAX_GSO_OFFSET 0x2d 668 #define QUERY_DEV_CAP_RSS_OFFSET 0x2e 669 #define QUERY_DEV_CAP_MAX_RDMA_OFFSET 0x2f 670 #define QUERY_DEV_CAP_RSZ_SRQ_OFFSET 0x33 671 #define QUERY_DEV_CAP_PORT_BEACON_OFFSET 0x34 672 #define QUERY_DEV_CAP_ACK_DELAY_OFFSET 0x35 673 #define QUERY_DEV_CAP_MTU_WIDTH_OFFSET 0x36 674 #define QUERY_DEV_CAP_VL_PORT_OFFSET 0x37 675 #define QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET 0x38 676 #define QUERY_DEV_CAP_MAX_GID_OFFSET 0x3b 677 #define QUERY_DEV_CAP_RATE_SUPPORT_OFFSET 0x3c 678 #define QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET 0x3e 679 #define QUERY_DEV_CAP_MAX_PKEY_OFFSET 0x3f 680 #define QUERY_DEV_CAP_EXT_FLAGS_OFFSET 0x40 681 #define QUERY_DEV_CAP_FLAGS_OFFSET 0x44 682 #define QUERY_DEV_CAP_RSVD_UAR_OFFSET 0x48 683 #define QUERY_DEV_CAP_UAR_SZ_OFFSET 0x49 684 #define QUERY_DEV_CAP_PAGE_SZ_OFFSET 0x4b 685 #define QUERY_DEV_CAP_BF_OFFSET 0x4c 686 #define QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET 0x4d 687 #define QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET 0x4e 688 #define QUERY_DEV_CAP_LOG_MAX_BF_PAGES_OFFSET 0x4f 689 #define QUERY_DEV_CAP_MAX_SG_SQ_OFFSET 0x51 690 #define QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET 0x52 691 #define QUERY_DEV_CAP_MAX_SG_RQ_OFFSET 0x55 692 #define QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET 0x56 693 #define QUERY_DEV_CAP_MAX_QP_MCG_OFFSET 0x61 694 #define QUERY_DEV_CAP_RSVD_MCG_OFFSET 0x62 695 #define QUERY_DEV_CAP_MAX_MCG_OFFSET 0x63 696 #define QUERY_DEV_CAP_RSVD_PD_OFFSET 0x64 697 #define QUERY_DEV_CAP_MAX_PD_OFFSET 0x65 698 #define QUERY_DEV_CAP_RSVD_XRC_OFFSET 0x66 699 #define QUERY_DEV_CAP_MAX_XRC_OFFSET 0x67 700 #define QUERY_DEV_CAP_MAX_COUNTERS_OFFSET 0x68 701 #define QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET 0x70 702 #define QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET 0x70 703 #define QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET 0x74 704 #define QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET 0x76 705 #define QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET 0x77 706 #define QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE 0x7a 707 #define QUERY_DEV_CAP_ECN_QCN_VER_OFFSET 0x7b 708 #define QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET 0x80 709 #define QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET 0x82 710 #define QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET 0x84 711 #define QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET 0x86 712 #define QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET 0x88 713 #define QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET 0x8a 714 #define QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET 0x8c 715 #define QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET 0x8e 716 #define QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET 0x90 717 #define QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET 0x92 718 #define QUERY_DEV_CAP_BMME_FLAGS_OFFSET 0x94 719 #define QUERY_DEV_CAP_CONFIG_DEV_OFFSET 0x94 720 #define QUERY_DEV_CAP_PHV_EN_OFFSET 0x96 721 #define QUERY_DEV_CAP_RSVD_LKEY_OFFSET 0x98 722 #define QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET 0xa0 723 #define QUERY_DEV_CAP_ETH_BACKPL_OFFSET 0x9c 724 #define QUERY_DEV_CAP_FW_REASSIGN_MAC 0x9d 725 #define QUERY_DEV_CAP_VXLAN 0x9e 726 #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 727 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8 728 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac 729 #define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET 0xcc 730 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET 0xd0 731 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET 0xd2 732 733 734 dev_cap->flags2 = 0; 735 mailbox = mlx4_alloc_cmd_mailbox(dev); 736 if (IS_ERR(mailbox)) 737 return PTR_ERR(mailbox); 738 outbox = mailbox->buf; 739 740 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 741 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 742 if (err) 743 goto out; 744 745 if (mlx4_is_mfunc(dev)) 746 disable_unsupported_roce_caps(outbox); 747 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); 748 dev_cap->reserved_qps = 1 << (field & 0xf); 749 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); 750 dev_cap->max_qps = 1 << (field & 0x1f); 751 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_SRQ_OFFSET); 752 dev_cap->reserved_srqs = 1 << (field >> 4); 753 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_OFFSET); 754 dev_cap->max_srqs = 1 << (field & 0x1f); 755 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_SZ_OFFSET); 756 dev_cap->max_cq_sz = 1 << field; 757 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_CQ_OFFSET); 758 dev_cap->reserved_cqs = 1 << (field & 0xf); 759 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_CQ_OFFSET); 760 dev_cap->max_cqs = 1 << (field & 0x1f); 761 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MPT_OFFSET); 762 dev_cap->max_mpts = 1 << (field & 0x3f); 763 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); 764 dev_cap->reserved_eqs = 1 << (field & 0xf); 765 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); 766 dev_cap->max_eqs = 1 << (field & 0xf); 767 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); 768 dev_cap->reserved_mtts = 1 << (field >> 4); 769 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET); 770 dev_cap->max_mrw_sz = 1 << field; 771 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MRW_OFFSET); 772 dev_cap->reserved_mrws = 1 << (field & 0xf); 773 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MTT_SEG_OFFSET); 774 dev_cap->max_mtt_seg = 1 << (field & 0x3f); 775 MLX4_GET(size, outbox, QUERY_DEV_CAP_NUM_SYS_EQ_OFFSET); 776 dev_cap->num_sys_eqs = size & 0xfff; 777 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_REQ_QP_OFFSET); 778 dev_cap->max_requester_per_qp = 1 << (field & 0x3f); 779 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RES_QP_OFFSET); 780 dev_cap->max_responder_per_qp = 1 << (field & 0x3f); 781 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GSO_OFFSET); 782 field &= 0x1f; 783 if (!field) 784 dev_cap->max_gso_sz = 0; 785 else 786 dev_cap->max_gso_sz = 1 << field; 787 788 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSS_OFFSET); 789 if (field & 0x20) 790 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_XOR; 791 if (field & 0x10) 792 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS_TOP; 793 field &= 0xf; 794 if (field) { 795 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RSS; 796 dev_cap->max_rss_tbl_sz = 1 << field; 797 } else 798 dev_cap->max_rss_tbl_sz = 0; 799 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_RDMA_OFFSET); 800 dev_cap->max_rdma_global = 1 << (field & 0x3f); 801 MLX4_GET(field, outbox, QUERY_DEV_CAP_ACK_DELAY_OFFSET); 802 dev_cap->local_ca_ack_delay = field & 0x1f; 803 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 804 dev_cap->num_ports = field & 0xf; 805 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MSG_SZ_OFFSET); 806 dev_cap->max_msg_sz = 1 << (field & 0x1f); 807 MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_FLOWSTATS_COUNTERS_OFFSET); 808 if (field & 0x10) 809 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN; 810 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 811 if (field & 0x80) 812 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FS_EN; 813 dev_cap->fs_log_max_ucast_qp_range_size = field & 0x1f; 814 if (field & 0x20) 815 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER; 816 MLX4_GET(field, outbox, QUERY_DEV_CAP_PORT_BEACON_OFFSET); 817 if (field & 0x80) 818 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_BEACON; 819 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); 820 if (field & 0x80) 821 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_DMFS_IPOIB; 822 MLX4_GET(field, outbox, QUERY_DEV_CAP_FLOW_STEERING_MAX_QP_OFFSET); 823 dev_cap->fs_max_num_qp_per_entry = field; 824 MLX4_GET(field, outbox, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); 825 if (field & 0x1) 826 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QCN; 827 MLX4_GET(stat_rate, outbox, QUERY_DEV_CAP_RATE_SUPPORT_OFFSET); 828 dev_cap->stat_rate_support = stat_rate; 829 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 830 if (field & 0x80) 831 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_TS; 832 MLX4_GET(ext_flags, outbox, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 833 MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET); 834 dev_cap->flags = flags | (u64)ext_flags << 32; 835 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET); 836 dev_cap->reserved_uars = field >> 4; 837 MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET); 838 dev_cap->uar_size = 1 << ((field & 0x3f) + 20); 839 MLX4_GET(field, outbox, QUERY_DEV_CAP_PAGE_SZ_OFFSET); 840 dev_cap->min_page_sz = 1 << field; 841 842 MLX4_GET(field, outbox, QUERY_DEV_CAP_BF_OFFSET); 843 if (field & 0x80) { 844 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_BF_REG_SZ_OFFSET); 845 dev_cap->bf_reg_size = 1 << (field & 0x1f); 846 MLX4_GET(field, outbox, QUERY_DEV_CAP_LOG_MAX_BF_REGS_PER_PAGE_OFFSET); 847 if ((1 << (field & 0x3f)) > (PAGE_SIZE / dev_cap->bf_reg_size)) 848 field = 3; 849 dev_cap->bf_regs_per_page = 1 << (field & 0x3f); 850 } else { 851 dev_cap->bf_reg_size = 0; 852 } 853 854 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_SQ_OFFSET); 855 dev_cap->max_sq_sg = field; 856 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_SQ_OFFSET); 857 dev_cap->max_sq_desc_sz = size; 858 859 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_MCG_OFFSET); 860 dev_cap->max_qp_per_mcg = 1 << field; 861 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MCG_OFFSET); 862 dev_cap->reserved_mgms = field & 0xf; 863 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MCG_OFFSET); 864 dev_cap->max_mcgs = 1 << field; 865 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_PD_OFFSET); 866 dev_cap->reserved_pds = field >> 4; 867 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PD_OFFSET); 868 dev_cap->max_pds = 1 << (field & 0x3f); 869 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_XRC_OFFSET); 870 dev_cap->reserved_xrcds = field >> 4; 871 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_XRC_OFFSET); 872 dev_cap->max_xrcds = 1 << (field & 0x1f); 873 874 MLX4_GET(size, outbox, QUERY_DEV_CAP_RDMARC_ENTRY_SZ_OFFSET); 875 dev_cap->rdmarc_entry_sz = size; 876 MLX4_GET(size, outbox, QUERY_DEV_CAP_QPC_ENTRY_SZ_OFFSET); 877 dev_cap->qpc_entry_sz = size; 878 MLX4_GET(size, outbox, QUERY_DEV_CAP_AUX_ENTRY_SZ_OFFSET); 879 dev_cap->aux_entry_sz = size; 880 MLX4_GET(size, outbox, QUERY_DEV_CAP_ALTC_ENTRY_SZ_OFFSET); 881 dev_cap->altc_entry_sz = size; 882 MLX4_GET(size, outbox, QUERY_DEV_CAP_EQC_ENTRY_SZ_OFFSET); 883 dev_cap->eqc_entry_sz = size; 884 MLX4_GET(size, outbox, QUERY_DEV_CAP_CQC_ENTRY_SZ_OFFSET); 885 dev_cap->cqc_entry_sz = size; 886 MLX4_GET(size, outbox, QUERY_DEV_CAP_SRQ_ENTRY_SZ_OFFSET); 887 dev_cap->srq_entry_sz = size; 888 MLX4_GET(size, outbox, QUERY_DEV_CAP_C_MPT_ENTRY_SZ_OFFSET); 889 dev_cap->cmpt_entry_sz = size; 890 MLX4_GET(size, outbox, QUERY_DEV_CAP_MTT_ENTRY_SZ_OFFSET); 891 dev_cap->mtt_entry_sz = size; 892 MLX4_GET(size, outbox, QUERY_DEV_CAP_D_MPT_ENTRY_SZ_OFFSET); 893 dev_cap->dmpt_entry_sz = size; 894 895 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SRQ_SZ_OFFSET); 896 dev_cap->max_srq_sz = 1 << field; 897 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_SZ_OFFSET); 898 dev_cap->max_qp_sz = 1 << field; 899 MLX4_GET(field, outbox, QUERY_DEV_CAP_RSZ_SRQ_OFFSET); 900 dev_cap->resize_srq = field & 1; 901 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_SG_RQ_OFFSET); 902 dev_cap->max_rq_sg = field; 903 MLX4_GET(size, outbox, QUERY_DEV_CAP_MAX_DESC_SZ_RQ_OFFSET); 904 dev_cap->max_rq_desc_sz = size; 905 MLX4_GET(field, outbox, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); 906 if (field & (1 << 4)) 907 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QOS_VPP; 908 if (field & (1 << 5)) 909 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_PROT_CTRL; 910 if (field & (1 << 6)) 911 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CQE_STRIDE; 912 if (field & (1 << 7)) 913 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_EQE_STRIDE; 914 MLX4_GET(dev_cap->bmme_flags, outbox, 915 QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 916 if (dev_cap->bmme_flags & MLX4_FLAG_ROCE_V1_V2) 917 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ROCE_V1_V2; 918 if (dev_cap->bmme_flags & MLX4_FLAG_PORT_REMAP) 919 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PORT_REMAP; 920 MLX4_GET(field, outbox, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); 921 if (field & 0x20) 922 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_CONFIG_DEV; 923 if (field & (1 << 2)) 924 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS; 925 MLX4_GET(field, outbox, QUERY_DEV_CAP_PHV_EN_OFFSET); 926 if (field & 0x80) 927 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_PHV_EN; 928 if (field & 0x40) 929 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN; 930 931 MLX4_GET(dev_cap->reserved_lkey, outbox, 932 QUERY_DEV_CAP_RSVD_LKEY_OFFSET); 933 MLX4_GET(field32, outbox, QUERY_DEV_CAP_ETH_BACKPL_OFFSET); 934 if (field32 & (1 << 0)) 935 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETH_BACKPL_AN_REP; 936 if (field32 & (1 << 7)) 937 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT; 938 MLX4_GET(field, outbox, QUERY_DEV_CAP_FW_REASSIGN_MAC); 939 if (field & 1<<6) 940 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_REASSIGN_MAC_EN; 941 MLX4_GET(field, outbox, QUERY_DEV_CAP_VXLAN); 942 if (field & 1<<3) 943 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS; 944 if (field & (1 << 5)) 945 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_ETS_CFG; 946 MLX4_GET(dev_cap->max_icm_sz, outbox, 947 QUERY_DEV_CAP_MAX_ICM_SZ_OFFSET); 948 if (dev_cap->flags & MLX4_DEV_CAP_FLAG_COUNTERS) 949 MLX4_GET(dev_cap->max_counters, outbox, 950 QUERY_DEV_CAP_MAX_COUNTERS_OFFSET); 951 952 MLX4_GET(field32, outbox, 953 QUERY_DEV_CAP_MAD_DEMUX_OFFSET); 954 if (field32 & (1 << 0)) 955 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_MAD_DEMUX; 956 957 MLX4_GET(dev_cap->dmfs_high_rate_qpn_base, outbox, 958 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET); 959 dev_cap->dmfs_high_rate_qpn_base &= MGM_QPN_MASK; 960 MLX4_GET(dev_cap->dmfs_high_rate_qpn_range, outbox, 961 QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET); 962 dev_cap->dmfs_high_rate_qpn_range &= MGM_QPN_MASK; 963 964 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET); 965 dev_cap->rl_caps.num_rates = size; 966 if (dev_cap->rl_caps.num_rates) { 967 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT; 968 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET); 969 dev_cap->rl_caps.max_val = size & 0xfff; 970 dev_cap->rl_caps.max_unit = size >> 14; 971 MLX4_GET(size, outbox, QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET); 972 dev_cap->rl_caps.min_val = size & 0xfff; 973 dev_cap->rl_caps.min_unit = size >> 14; 974 } 975 976 MLX4_GET(field32, outbox, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 977 if (field32 & (1 << 16)) 978 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP; 979 if (field32 & (1 << 18)) 980 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB; 981 if (field32 & (1 << 19)) 982 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_LB_SRC_CHK; 983 if (field32 & (1 << 26)) 984 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_VLAN_CONTROL; 985 if (field32 & (1 << 20)) 986 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_FSM; 987 if (field32 & (1 << 21)) 988 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_80_VFS; 989 990 for (i = 1; i <= dev_cap->num_ports; i++) { 991 err = mlx4_QUERY_PORT(dev, i, dev_cap->port_cap + i); 992 if (err) 993 goto out; 994 } 995 996 /* 997 * Each UAR has 4 EQ doorbells; so if a UAR is reserved, then 998 * we can't use any EQs whose doorbell falls on that page, 999 * even if the EQ itself isn't reserved. 1000 */ 1001 if (dev_cap->num_sys_eqs == 0) 1002 dev_cap->reserved_eqs = max(dev_cap->reserved_uars * 4, 1003 dev_cap->reserved_eqs); 1004 else 1005 dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_SYS_EQS; 1006 1007 out: 1008 mlx4_free_cmd_mailbox(dev, mailbox); 1009 return err; 1010 } 1011 1012 void mlx4_dev_cap_dump(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) 1013 { 1014 if (dev_cap->bf_reg_size > 0) 1015 mlx4_dbg(dev, "BlueFlame available (reg size %d, regs/page %d)\n", 1016 dev_cap->bf_reg_size, dev_cap->bf_regs_per_page); 1017 else 1018 mlx4_dbg(dev, "BlueFlame not available\n"); 1019 1020 mlx4_dbg(dev, "Base MM extensions: flags %08x, rsvd L_Key %08x\n", 1021 dev_cap->bmme_flags, dev_cap->reserved_lkey); 1022 mlx4_dbg(dev, "Max ICM size %lld MB\n", 1023 (unsigned long long) dev_cap->max_icm_sz >> 20); 1024 mlx4_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n", 1025 dev_cap->max_qps, dev_cap->reserved_qps, dev_cap->qpc_entry_sz); 1026 mlx4_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n", 1027 dev_cap->max_srqs, dev_cap->reserved_srqs, dev_cap->srq_entry_sz); 1028 mlx4_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n", 1029 dev_cap->max_cqs, dev_cap->reserved_cqs, dev_cap->cqc_entry_sz); 1030 mlx4_dbg(dev, "Num sys EQs: %d, max EQs: %d, reserved EQs: %d, entry size: %d\n", 1031 dev_cap->num_sys_eqs, dev_cap->max_eqs, dev_cap->reserved_eqs, 1032 dev_cap->eqc_entry_sz); 1033 mlx4_dbg(dev, "reserved MPTs: %d, reserved MTTs: %d\n", 1034 dev_cap->reserved_mrws, dev_cap->reserved_mtts); 1035 mlx4_dbg(dev, "Max PDs: %d, reserved PDs: %d, reserved UARs: %d\n", 1036 dev_cap->max_pds, dev_cap->reserved_pds, dev_cap->reserved_uars); 1037 mlx4_dbg(dev, "Max QP/MCG: %d, reserved MGMs: %d\n", 1038 dev_cap->max_pds, dev_cap->reserved_mgms); 1039 mlx4_dbg(dev, "Max CQEs: %d, max WQEs: %d, max SRQ WQEs: %d\n", 1040 dev_cap->max_cq_sz, dev_cap->max_qp_sz, dev_cap->max_srq_sz); 1041 mlx4_dbg(dev, "Local CA ACK delay: %d, max MTU: %d, port width cap: %d\n", 1042 dev_cap->local_ca_ack_delay, 128 << dev_cap->port_cap[1].ib_mtu, 1043 dev_cap->port_cap[1].max_port_width); 1044 mlx4_dbg(dev, "Max SQ desc size: %d, max SQ S/G: %d\n", 1045 dev_cap->max_sq_desc_sz, dev_cap->max_sq_sg); 1046 mlx4_dbg(dev, "Max RQ desc size: %d, max RQ S/G: %d\n", 1047 dev_cap->max_rq_desc_sz, dev_cap->max_rq_sg); 1048 mlx4_dbg(dev, "Max GSO size: %d\n", dev_cap->max_gso_sz); 1049 mlx4_dbg(dev, "Max counters: %d\n", dev_cap->max_counters); 1050 mlx4_dbg(dev, "Max RSS Table size: %d\n", dev_cap->max_rss_tbl_sz); 1051 mlx4_dbg(dev, "DMFS high rate steer QPn base: %d\n", 1052 dev_cap->dmfs_high_rate_qpn_base); 1053 mlx4_dbg(dev, "DMFS high rate steer QPn range: %d\n", 1054 dev_cap->dmfs_high_rate_qpn_range); 1055 1056 if (dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_QP_RATE_LIMIT) { 1057 struct mlx4_rate_limit_caps *rl_caps = &dev_cap->rl_caps; 1058 1059 mlx4_dbg(dev, "QP Rate-Limit: #rates %d, unit/val max %d/%d, min %d/%d\n", 1060 rl_caps->num_rates, rl_caps->max_unit, rl_caps->max_val, 1061 rl_caps->min_unit, rl_caps->min_val); 1062 } 1063 1064 dump_dev_cap_flags(dev, dev_cap->flags); 1065 dump_dev_cap_flags2(dev, dev_cap->flags2); 1066 } 1067 1068 int mlx4_QUERY_PORT(struct mlx4_dev *dev, int port, struct mlx4_port_cap *port_cap) 1069 { 1070 struct mlx4_cmd_mailbox *mailbox; 1071 u32 *outbox; 1072 u8 field; 1073 u32 field32; 1074 int err; 1075 1076 mailbox = mlx4_alloc_cmd_mailbox(dev); 1077 if (IS_ERR(mailbox)) 1078 return PTR_ERR(mailbox); 1079 outbox = mailbox->buf; 1080 1081 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 1082 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 1083 MLX4_CMD_TIME_CLASS_A, 1084 MLX4_CMD_NATIVE); 1085 1086 if (err) 1087 goto out; 1088 1089 MLX4_GET(field, outbox, QUERY_DEV_CAP_VL_PORT_OFFSET); 1090 port_cap->max_vl = field >> 4; 1091 MLX4_GET(field, outbox, QUERY_DEV_CAP_MTU_WIDTH_OFFSET); 1092 port_cap->ib_mtu = field >> 4; 1093 port_cap->max_port_width = field & 0xf; 1094 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_GID_OFFSET); 1095 port_cap->max_gids = 1 << (field & 0xf); 1096 MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_PKEY_OFFSET); 1097 port_cap->max_pkeys = 1 << (field & 0xf); 1098 } else { 1099 #define QUERY_PORT_SUPPORTED_TYPE_OFFSET 0x00 1100 #define QUERY_PORT_MTU_OFFSET 0x01 1101 #define QUERY_PORT_ETH_MTU_OFFSET 0x02 1102 #define QUERY_PORT_WIDTH_OFFSET 0x06 1103 #define QUERY_PORT_MAX_GID_PKEY_OFFSET 0x07 1104 #define QUERY_PORT_MAX_MACVLAN_OFFSET 0x0a 1105 #define QUERY_PORT_MAX_VL_OFFSET 0x0b 1106 #define QUERY_PORT_MAC_OFFSET 0x10 1107 #define QUERY_PORT_TRANS_VENDOR_OFFSET 0x18 1108 #define QUERY_PORT_WAVELENGTH_OFFSET 0x1c 1109 #define QUERY_PORT_TRANS_CODE_OFFSET 0x20 1110 1111 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, MLX4_CMD_QUERY_PORT, 1112 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 1113 if (err) 1114 goto out; 1115 1116 MLX4_GET(field, outbox, QUERY_PORT_SUPPORTED_TYPE_OFFSET); 1117 port_cap->link_state = (field & 0x80) >> 7; 1118 port_cap->supported_port_types = field & 3; 1119 port_cap->suggested_type = (field >> 3) & 1; 1120 port_cap->default_sense = (field >> 4) & 1; 1121 port_cap->dmfs_optimized_state = (field >> 5) & 1; 1122 MLX4_GET(field, outbox, QUERY_PORT_MTU_OFFSET); 1123 port_cap->ib_mtu = field & 0xf; 1124 MLX4_GET(field, outbox, QUERY_PORT_WIDTH_OFFSET); 1125 port_cap->max_port_width = field & 0xf; 1126 MLX4_GET(field, outbox, QUERY_PORT_MAX_GID_PKEY_OFFSET); 1127 port_cap->max_gids = 1 << (field >> 4); 1128 port_cap->max_pkeys = 1 << (field & 0xf); 1129 MLX4_GET(field, outbox, QUERY_PORT_MAX_VL_OFFSET); 1130 port_cap->max_vl = field & 0xf; 1131 port_cap->max_tc_eth = field >> 4; 1132 MLX4_GET(field, outbox, QUERY_PORT_MAX_MACVLAN_OFFSET); 1133 port_cap->log_max_macs = field & 0xf; 1134 port_cap->log_max_vlans = field >> 4; 1135 MLX4_GET(port_cap->eth_mtu, outbox, QUERY_PORT_ETH_MTU_OFFSET); 1136 MLX4_GET(port_cap->def_mac, outbox, QUERY_PORT_MAC_OFFSET); 1137 MLX4_GET(field32, outbox, QUERY_PORT_TRANS_VENDOR_OFFSET); 1138 port_cap->trans_type = field32 >> 24; 1139 port_cap->vendor_oui = field32 & 0xffffff; 1140 MLX4_GET(port_cap->wavelength, outbox, QUERY_PORT_WAVELENGTH_OFFSET); 1141 MLX4_GET(port_cap->trans_code, outbox, QUERY_PORT_TRANS_CODE_OFFSET); 1142 } 1143 1144 out: 1145 mlx4_free_cmd_mailbox(dev, mailbox); 1146 return err; 1147 } 1148 1149 #define DEV_CAP_EXT_2_FLAG_PFC_COUNTERS (1 << 28) 1150 #define DEV_CAP_EXT_2_FLAG_VLAN_CONTROL (1 << 26) 1151 #define DEV_CAP_EXT_2_FLAG_80_VFS (1 << 21) 1152 #define DEV_CAP_EXT_2_FLAG_FSM (1 << 20) 1153 1154 int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, 1155 struct mlx4_vhcr *vhcr, 1156 struct mlx4_cmd_mailbox *inbox, 1157 struct mlx4_cmd_mailbox *outbox, 1158 struct mlx4_cmd_info *cmd) 1159 { 1160 u64 flags; 1161 int err = 0; 1162 u8 field; 1163 u16 field16; 1164 u32 bmme_flags, field32; 1165 int real_port; 1166 int slave_port; 1167 int first_port; 1168 struct mlx4_active_ports actv_ports; 1169 1170 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_DEV_CAP, 1171 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1172 if (err) 1173 return err; 1174 1175 disable_unsupported_roce_caps(outbox->buf); 1176 /* add port mng change event capability and disable mw type 1 1177 * unconditionally to slaves 1178 */ 1179 MLX4_GET(flags, outbox->buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 1180 flags |= MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV; 1181 flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW; 1182 actv_ports = mlx4_get_active_ports(dev, slave); 1183 first_port = find_first_bit(actv_ports.ports, dev->caps.num_ports); 1184 for (slave_port = 0, real_port = first_port; 1185 real_port < first_port + 1186 bitmap_weight(actv_ports.ports, dev->caps.num_ports); 1187 ++real_port, ++slave_port) { 1188 if (flags & (MLX4_DEV_CAP_FLAG_WOL_PORT1 << real_port)) 1189 flags |= MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port; 1190 else 1191 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); 1192 } 1193 for (; slave_port < dev->caps.num_ports; ++slave_port) 1194 flags &= ~(MLX4_DEV_CAP_FLAG_WOL_PORT1 << slave_port); 1195 1196 /* Not exposing RSS IP fragments to guests */ 1197 flags &= ~MLX4_DEV_CAP_FLAG_RSS_IP_FRAG; 1198 MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 1199 1200 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VL_PORT_OFFSET); 1201 field &= ~0x0F; 1202 field |= bitmap_weight(actv_ports.ports, dev->caps.num_ports) & 0x0F; 1203 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VL_PORT_OFFSET); 1204 1205 /* For guests, disable timestamp */ 1206 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 1207 field &= 0x7f; 1208 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET); 1209 1210 /* For guests, disable vxlan tunneling and QoS support */ 1211 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_VXLAN); 1212 field &= 0xd7; 1213 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_VXLAN); 1214 1215 /* For guests, disable port BEACON */ 1216 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_PORT_BEACON_OFFSET); 1217 field &= 0x7f; 1218 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_PORT_BEACON_OFFSET); 1219 1220 /* For guests, report Blueflame disabled */ 1221 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET); 1222 field &= 0x7f; 1223 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_BF_OFFSET); 1224 1225 /* For guests, disable mw type 2 and port remap*/ 1226 MLX4_GET(bmme_flags, outbox->buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 1227 bmme_flags &= ~MLX4_BMME_FLAG_TYPE_2_WIN; 1228 bmme_flags &= ~MLX4_FLAG_PORT_REMAP; 1229 MLX4_PUT(outbox->buf, bmme_flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 1230 1231 /* turn off device-managed steering capability if not enabled */ 1232 if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) { 1233 MLX4_GET(field, outbox->buf, 1234 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 1235 field &= 0x7f; 1236 MLX4_PUT(outbox->buf, field, 1237 QUERY_DEV_CAP_FLOW_STEERING_RANGE_EN_OFFSET); 1238 } 1239 1240 /* turn off ipoib managed steering for guests */ 1241 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); 1242 field &= ~0x80; 1243 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_FLOW_STEERING_IPOIB_OFFSET); 1244 1245 /* turn off host side virt features (VST, FSM, etc) for guests */ 1246 MLX4_GET(field32, outbox->buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 1247 field32 &= ~(DEV_CAP_EXT_2_FLAG_VLAN_CONTROL | DEV_CAP_EXT_2_FLAG_80_VFS | 1248 DEV_CAP_EXT_2_FLAG_FSM | DEV_CAP_EXT_2_FLAG_PFC_COUNTERS); 1249 MLX4_PUT(outbox->buf, field32, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 1250 1251 /* turn off QCN for guests */ 1252 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); 1253 field &= 0xfe; 1254 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_ECN_QCN_VER_OFFSET); 1255 1256 /* turn off QP max-rate limiting for guests */ 1257 field16 = 0; 1258 MLX4_PUT(outbox->buf, field16, QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET); 1259 1260 /* turn off QoS per VF support for guests */ 1261 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); 1262 field &= 0xef; 1263 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_EQ_CACHE_LINE_STRIDE); 1264 1265 /* turn off ignore FCS feature for guests */ 1266 MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); 1267 field &= 0xfb; 1268 MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CONFIG_DEV_OFFSET); 1269 1270 return 0; 1271 } 1272 1273 static void disable_unsupported_roce_caps(void *buf) 1274 { 1275 u32 flags; 1276 1277 MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 1278 flags &= ~(1UL << 31); 1279 MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET); 1280 MLX4_GET(flags, buf, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 1281 flags &= ~(1UL << 24); 1282 MLX4_PUT(buf, flags, QUERY_DEV_CAP_EXT_2_FLAGS_OFFSET); 1283 MLX4_GET(flags, buf, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 1284 flags &= ~(MLX4_FLAG_ROCE_V1_V2); 1285 MLX4_PUT(buf, flags, QUERY_DEV_CAP_BMME_FLAGS_OFFSET); 1286 } 1287 1288 int mlx4_QUERY_PORT_wrapper(struct mlx4_dev *dev, int slave, 1289 struct mlx4_vhcr *vhcr, 1290 struct mlx4_cmd_mailbox *inbox, 1291 struct mlx4_cmd_mailbox *outbox, 1292 struct mlx4_cmd_info *cmd) 1293 { 1294 struct mlx4_priv *priv = mlx4_priv(dev); 1295 u64 def_mac; 1296 u8 port_type; 1297 u16 short_field; 1298 int err; 1299 int admin_link_state; 1300 int port = mlx4_slave_convert_port(dev, slave, 1301 vhcr->in_modifier & 0xFF); 1302 1303 #define MLX4_VF_PORT_NO_LINK_SENSE_MASK 0xE0 1304 #define MLX4_PORT_LINK_UP_MASK 0x80 1305 #define QUERY_PORT_CUR_MAX_PKEY_OFFSET 0x0c 1306 #define QUERY_PORT_CUR_MAX_GID_OFFSET 0x0e 1307 1308 if (port < 0) 1309 return -EINVAL; 1310 1311 /* Protect against untrusted guests: enforce that this is the 1312 * QUERY_PORT general query. 1313 */ 1314 if (vhcr->op_modifier || vhcr->in_modifier & ~0xFF) 1315 return -EINVAL; 1316 1317 vhcr->in_modifier = port; 1318 1319 err = mlx4_cmd_box(dev, 0, outbox->dma, vhcr->in_modifier, 0, 1320 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 1321 MLX4_CMD_NATIVE); 1322 1323 if (!err && dev->caps.function != slave) { 1324 def_mac = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.mac; 1325 MLX4_PUT(outbox->buf, def_mac, QUERY_PORT_MAC_OFFSET); 1326 1327 /* get port type - currently only eth is enabled */ 1328 MLX4_GET(port_type, outbox->buf, 1329 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 1330 1331 /* No link sensing allowed */ 1332 port_type &= MLX4_VF_PORT_NO_LINK_SENSE_MASK; 1333 /* set port type to currently operating port type */ 1334 port_type |= (dev->caps.port_type[vhcr->in_modifier] & 0x3); 1335 1336 admin_link_state = priv->mfunc.master.vf_oper[slave].vport[vhcr->in_modifier].state.link_state; 1337 if (IFLA_VF_LINK_STATE_ENABLE == admin_link_state) 1338 port_type |= MLX4_PORT_LINK_UP_MASK; 1339 else if (IFLA_VF_LINK_STATE_DISABLE == admin_link_state) 1340 port_type &= ~MLX4_PORT_LINK_UP_MASK; 1341 else if (IFLA_VF_LINK_STATE_AUTO == admin_link_state && mlx4_is_bonded(dev)) { 1342 int other_port = (port == 1) ? 2 : 1; 1343 struct mlx4_port_cap port_cap; 1344 1345 err = mlx4_QUERY_PORT(dev, other_port, &port_cap); 1346 if (err) 1347 goto out; 1348 port_type |= (port_cap.link_state << 7); 1349 } 1350 1351 MLX4_PUT(outbox->buf, port_type, 1352 QUERY_PORT_SUPPORTED_TYPE_OFFSET); 1353 1354 if (dev->caps.port_type[vhcr->in_modifier] == MLX4_PORT_TYPE_ETH) 1355 short_field = mlx4_get_slave_num_gids(dev, slave, port); 1356 else 1357 short_field = 1; /* slave max gids */ 1358 MLX4_PUT(outbox->buf, short_field, 1359 QUERY_PORT_CUR_MAX_GID_OFFSET); 1360 1361 short_field = dev->caps.pkey_table_len[vhcr->in_modifier]; 1362 MLX4_PUT(outbox->buf, short_field, 1363 QUERY_PORT_CUR_MAX_PKEY_OFFSET); 1364 } 1365 out: 1366 return err; 1367 } 1368 1369 int mlx4_get_slave_pkey_gid_tbl_len(struct mlx4_dev *dev, u8 port, 1370 int *gid_tbl_len, int *pkey_tbl_len) 1371 { 1372 struct mlx4_cmd_mailbox *mailbox; 1373 u32 *outbox; 1374 u16 field; 1375 int err; 1376 1377 mailbox = mlx4_alloc_cmd_mailbox(dev); 1378 if (IS_ERR(mailbox)) 1379 return PTR_ERR(mailbox); 1380 1381 err = mlx4_cmd_box(dev, 0, mailbox->dma, port, 0, 1382 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 1383 MLX4_CMD_WRAPPED); 1384 if (err) 1385 goto out; 1386 1387 outbox = mailbox->buf; 1388 1389 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_GID_OFFSET); 1390 *gid_tbl_len = field; 1391 1392 MLX4_GET(field, outbox, QUERY_PORT_CUR_MAX_PKEY_OFFSET); 1393 *pkey_tbl_len = field; 1394 1395 out: 1396 mlx4_free_cmd_mailbox(dev, mailbox); 1397 return err; 1398 } 1399 EXPORT_SYMBOL(mlx4_get_slave_pkey_gid_tbl_len); 1400 1401 int mlx4_map_cmd(struct mlx4_dev *dev, u16 op, struct mlx4_icm *icm, u64 virt) 1402 { 1403 struct mlx4_cmd_mailbox *mailbox; 1404 struct mlx4_icm_iter iter; 1405 __be64 *pages; 1406 int lg; 1407 int nent = 0; 1408 int i; 1409 int err = 0; 1410 int ts = 0, tc = 0; 1411 1412 mailbox = mlx4_alloc_cmd_mailbox(dev); 1413 if (IS_ERR(mailbox)) 1414 return PTR_ERR(mailbox); 1415 pages = mailbox->buf; 1416 1417 for (mlx4_icm_first(icm, &iter); 1418 !mlx4_icm_last(&iter); 1419 mlx4_icm_next(&iter)) { 1420 /* 1421 * We have to pass pages that are aligned to their 1422 * size, so find the least significant 1 in the 1423 * address or size and use that as our log2 size. 1424 */ 1425 lg = ffs(mlx4_icm_addr(&iter) | mlx4_icm_size(&iter)) - 1; 1426 if (lg < MLX4_ICM_PAGE_SHIFT) { 1427 mlx4_warn(dev, "Got FW area not aligned to %d (%llx/%lx)\n", 1428 MLX4_ICM_PAGE_SIZE, 1429 (unsigned long long) mlx4_icm_addr(&iter), 1430 mlx4_icm_size(&iter)); 1431 err = -EINVAL; 1432 goto out; 1433 } 1434 1435 for (i = 0; i < mlx4_icm_size(&iter) >> lg; ++i) { 1436 if (virt != -1) { 1437 pages[nent * 2] = cpu_to_be64(virt); 1438 virt += 1 << lg; 1439 } 1440 1441 pages[nent * 2 + 1] = 1442 cpu_to_be64((mlx4_icm_addr(&iter) + (i << lg)) | 1443 (lg - MLX4_ICM_PAGE_SHIFT)); 1444 ts += 1 << (lg - 10); 1445 ++tc; 1446 1447 if (++nent == MLX4_MAILBOX_SIZE / 16) { 1448 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 1449 MLX4_CMD_TIME_CLASS_B, 1450 MLX4_CMD_NATIVE); 1451 if (err) 1452 goto out; 1453 nent = 0; 1454 } 1455 } 1456 } 1457 1458 if (nent) 1459 err = mlx4_cmd(dev, mailbox->dma, nent, 0, op, 1460 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 1461 if (err) 1462 goto out; 1463 1464 switch (op) { 1465 case MLX4_CMD_MAP_FA: 1466 mlx4_dbg(dev, "Mapped %d chunks/%d KB for FW\n", tc, ts); 1467 break; 1468 case MLX4_CMD_MAP_ICM_AUX: 1469 mlx4_dbg(dev, "Mapped %d chunks/%d KB for ICM aux\n", tc, ts); 1470 break; 1471 case MLX4_CMD_MAP_ICM: 1472 mlx4_dbg(dev, "Mapped %d chunks/%d KB at %llx for ICM\n", 1473 tc, ts, (unsigned long long) virt - (ts << 10)); 1474 break; 1475 } 1476 1477 out: 1478 mlx4_free_cmd_mailbox(dev, mailbox); 1479 return err; 1480 } 1481 1482 int mlx4_MAP_FA(struct mlx4_dev *dev, struct mlx4_icm *icm) 1483 { 1484 return mlx4_map_cmd(dev, MLX4_CMD_MAP_FA, icm, -1); 1485 } 1486 1487 int mlx4_UNMAP_FA(struct mlx4_dev *dev) 1488 { 1489 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_UNMAP_FA, 1490 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 1491 } 1492 1493 1494 int mlx4_RUN_FW(struct mlx4_dev *dev) 1495 { 1496 return mlx4_cmd(dev, 0, 0, 0, MLX4_CMD_RUN_FW, 1497 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1498 } 1499 1500 int mlx4_QUERY_FW(struct mlx4_dev *dev) 1501 { 1502 struct mlx4_fw *fw = &mlx4_priv(dev)->fw; 1503 struct mlx4_cmd *cmd = &mlx4_priv(dev)->cmd; 1504 struct mlx4_cmd_mailbox *mailbox; 1505 u32 *outbox; 1506 int err = 0; 1507 u64 fw_ver; 1508 u16 cmd_if_rev; 1509 u8 lg; 1510 1511 #define QUERY_FW_OUT_SIZE 0x100 1512 #define QUERY_FW_VER_OFFSET 0x00 1513 #define QUERY_FW_PPF_ID 0x09 1514 #define QUERY_FW_CMD_IF_REV_OFFSET 0x0a 1515 #define QUERY_FW_MAX_CMD_OFFSET 0x0f 1516 #define QUERY_FW_ERR_START_OFFSET 0x30 1517 #define QUERY_FW_ERR_SIZE_OFFSET 0x38 1518 #define QUERY_FW_ERR_BAR_OFFSET 0x3c 1519 1520 #define QUERY_FW_SIZE_OFFSET 0x00 1521 #define QUERY_FW_CLR_INT_BASE_OFFSET 0x20 1522 #define QUERY_FW_CLR_INT_BAR_OFFSET 0x28 1523 1524 #define QUERY_FW_COMM_BASE_OFFSET 0x40 1525 #define QUERY_FW_COMM_BAR_OFFSET 0x48 1526 1527 #define QUERY_FW_CLOCK_OFFSET 0x50 1528 #define QUERY_FW_CLOCK_BAR 0x58 1529 1530 mailbox = mlx4_alloc_cmd_mailbox(dev); 1531 if (IS_ERR(mailbox)) 1532 return PTR_ERR(mailbox); 1533 outbox = mailbox->buf; 1534 1535 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_FW, 1536 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1537 if (err) 1538 goto out; 1539 1540 MLX4_GET(fw_ver, outbox, QUERY_FW_VER_OFFSET); 1541 /* 1542 * FW subminor version is at more significant bits than minor 1543 * version, so swap here. 1544 */ 1545 dev->caps.fw_ver = (fw_ver & 0xffff00000000ull) | 1546 ((fw_ver & 0xffff0000ull) >> 16) | 1547 ((fw_ver & 0x0000ffffull) << 16); 1548 1549 MLX4_GET(lg, outbox, QUERY_FW_PPF_ID); 1550 dev->caps.function = lg; 1551 1552 if (mlx4_is_slave(dev)) 1553 goto out; 1554 1555 1556 MLX4_GET(cmd_if_rev, outbox, QUERY_FW_CMD_IF_REV_OFFSET); 1557 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_MIN_REV || 1558 cmd_if_rev > MLX4_COMMAND_INTERFACE_MAX_REV) { 1559 mlx4_err(dev, "Installed FW has unsupported command interface revision %d\n", 1560 cmd_if_rev); 1561 mlx4_err(dev, "(Installed FW version is %d.%d.%03d)\n", 1562 (int) (dev->caps.fw_ver >> 32), 1563 (int) (dev->caps.fw_ver >> 16) & 0xffff, 1564 (int) dev->caps.fw_ver & 0xffff); 1565 mlx4_err(dev, "This driver version supports only revisions %d to %d\n", 1566 MLX4_COMMAND_INTERFACE_MIN_REV, MLX4_COMMAND_INTERFACE_MAX_REV); 1567 err = -ENODEV; 1568 goto out; 1569 } 1570 1571 if (cmd_if_rev < MLX4_COMMAND_INTERFACE_NEW_PORT_CMDS) 1572 dev->flags |= MLX4_FLAG_OLD_PORT_CMDS; 1573 1574 MLX4_GET(lg, outbox, QUERY_FW_MAX_CMD_OFFSET); 1575 cmd->max_cmds = 1 << lg; 1576 1577 mlx4_dbg(dev, "FW version %d.%d.%03d (cmd intf rev %d), max commands %d\n", 1578 (int) (dev->caps.fw_ver >> 32), 1579 (int) (dev->caps.fw_ver >> 16) & 0xffff, 1580 (int) dev->caps.fw_ver & 0xffff, 1581 cmd_if_rev, cmd->max_cmds); 1582 1583 MLX4_GET(fw->catas_offset, outbox, QUERY_FW_ERR_START_OFFSET); 1584 MLX4_GET(fw->catas_size, outbox, QUERY_FW_ERR_SIZE_OFFSET); 1585 MLX4_GET(fw->catas_bar, outbox, QUERY_FW_ERR_BAR_OFFSET); 1586 fw->catas_bar = (fw->catas_bar >> 6) * 2; 1587 1588 mlx4_dbg(dev, "Catastrophic error buffer at 0x%llx, size 0x%x, BAR %d\n", 1589 (unsigned long long) fw->catas_offset, fw->catas_size, fw->catas_bar); 1590 1591 MLX4_GET(fw->fw_pages, outbox, QUERY_FW_SIZE_OFFSET); 1592 MLX4_GET(fw->clr_int_base, outbox, QUERY_FW_CLR_INT_BASE_OFFSET); 1593 MLX4_GET(fw->clr_int_bar, outbox, QUERY_FW_CLR_INT_BAR_OFFSET); 1594 fw->clr_int_bar = (fw->clr_int_bar >> 6) * 2; 1595 1596 MLX4_GET(fw->comm_base, outbox, QUERY_FW_COMM_BASE_OFFSET); 1597 MLX4_GET(fw->comm_bar, outbox, QUERY_FW_COMM_BAR_OFFSET); 1598 fw->comm_bar = (fw->comm_bar >> 6) * 2; 1599 mlx4_dbg(dev, "Communication vector bar:%d offset:0x%llx\n", 1600 fw->comm_bar, fw->comm_base); 1601 mlx4_dbg(dev, "FW size %d KB\n", fw->fw_pages >> 2); 1602 1603 MLX4_GET(fw->clock_offset, outbox, QUERY_FW_CLOCK_OFFSET); 1604 MLX4_GET(fw->clock_bar, outbox, QUERY_FW_CLOCK_BAR); 1605 fw->clock_bar = (fw->clock_bar >> 6) * 2; 1606 mlx4_dbg(dev, "Internal clock bar:%d offset:0x%llx\n", 1607 fw->clock_bar, fw->clock_offset); 1608 1609 /* 1610 * Round up number of system pages needed in case 1611 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 1612 */ 1613 fw->fw_pages = 1614 ALIGN(fw->fw_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 1615 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 1616 1617 mlx4_dbg(dev, "Clear int @ %llx, BAR %d\n", 1618 (unsigned long long) fw->clr_int_base, fw->clr_int_bar); 1619 1620 out: 1621 mlx4_free_cmd_mailbox(dev, mailbox); 1622 return err; 1623 } 1624 1625 int mlx4_QUERY_FW_wrapper(struct mlx4_dev *dev, int slave, 1626 struct mlx4_vhcr *vhcr, 1627 struct mlx4_cmd_mailbox *inbox, 1628 struct mlx4_cmd_mailbox *outbox, 1629 struct mlx4_cmd_info *cmd) 1630 { 1631 u8 *outbuf; 1632 int err; 1633 1634 outbuf = outbox->buf; 1635 err = mlx4_cmd_box(dev, 0, outbox->dma, 0, 0, MLX4_CMD_QUERY_FW, 1636 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1637 if (err) 1638 return err; 1639 1640 /* for slaves, set pci PPF ID to invalid and zero out everything 1641 * else except FW version */ 1642 outbuf[0] = outbuf[1] = 0; 1643 memset(&outbuf[8], 0, QUERY_FW_OUT_SIZE - 8); 1644 outbuf[QUERY_FW_PPF_ID] = MLX4_INVALID_SLAVE_ID; 1645 1646 return 0; 1647 } 1648 1649 static void get_board_id(void *vsd, char *board_id) 1650 { 1651 int i; 1652 1653 #define VSD_OFFSET_SIG1 0x00 1654 #define VSD_OFFSET_SIG2 0xde 1655 #define VSD_OFFSET_MLX_BOARD_ID 0xd0 1656 #define VSD_OFFSET_TS_BOARD_ID 0x20 1657 1658 #define VSD_SIGNATURE_TOPSPIN 0x5ad 1659 1660 memset(board_id, 0, MLX4_BOARD_ID_LEN); 1661 1662 if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN && 1663 be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) { 1664 strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MLX4_BOARD_ID_LEN); 1665 } else { 1666 /* 1667 * The board ID is a string but the firmware byte 1668 * swaps each 4-byte word before passing it back to 1669 * us. Therefore we need to swab it before printing. 1670 */ 1671 u32 *bid_u32 = (u32 *)board_id; 1672 1673 for (i = 0; i < 4; ++i) { 1674 u32 *addr; 1675 u32 val; 1676 1677 addr = (u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4); 1678 val = get_unaligned(addr); 1679 val = swab32(val); 1680 put_unaligned(val, &bid_u32[i]); 1681 } 1682 } 1683 } 1684 1685 int mlx4_QUERY_ADAPTER(struct mlx4_dev *dev, struct mlx4_adapter *adapter) 1686 { 1687 struct mlx4_cmd_mailbox *mailbox; 1688 u32 *outbox; 1689 int err; 1690 1691 #define QUERY_ADAPTER_OUT_SIZE 0x100 1692 #define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10 1693 #define QUERY_ADAPTER_VSD_OFFSET 0x20 1694 1695 mailbox = mlx4_alloc_cmd_mailbox(dev); 1696 if (IS_ERR(mailbox)) 1697 return PTR_ERR(mailbox); 1698 outbox = mailbox->buf; 1699 1700 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, MLX4_CMD_QUERY_ADAPTER, 1701 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 1702 if (err) 1703 goto out; 1704 1705 MLX4_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET); 1706 1707 get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4, 1708 adapter->board_id); 1709 1710 out: 1711 mlx4_free_cmd_mailbox(dev, mailbox); 1712 return err; 1713 } 1714 1715 int mlx4_INIT_HCA(struct mlx4_dev *dev, struct mlx4_init_hca_param *param) 1716 { 1717 struct mlx4_cmd_mailbox *mailbox; 1718 __be32 *inbox; 1719 int err; 1720 static const u8 a0_dmfs_hw_steering[] = { 1721 [MLX4_STEERING_DMFS_A0_DEFAULT] = 0, 1722 [MLX4_STEERING_DMFS_A0_DYNAMIC] = 1, 1723 [MLX4_STEERING_DMFS_A0_STATIC] = 2, 1724 [MLX4_STEERING_DMFS_A0_DISABLE] = 3 1725 }; 1726 1727 #define INIT_HCA_IN_SIZE 0x200 1728 #define INIT_HCA_VERSION_OFFSET 0x000 1729 #define INIT_HCA_VERSION 2 1730 #define INIT_HCA_VXLAN_OFFSET 0x0c 1731 #define INIT_HCA_CACHELINE_SZ_OFFSET 0x0e 1732 #define INIT_HCA_FLAGS_OFFSET 0x014 1733 #define INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET 0x018 1734 #define INIT_HCA_QPC_OFFSET 0x020 1735 #define INIT_HCA_QPC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x10) 1736 #define INIT_HCA_LOG_QP_OFFSET (INIT_HCA_QPC_OFFSET + 0x17) 1737 #define INIT_HCA_SRQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x28) 1738 #define INIT_HCA_LOG_SRQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x2f) 1739 #define INIT_HCA_CQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x30) 1740 #define INIT_HCA_LOG_CQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x37) 1741 #define INIT_HCA_EQE_CQE_OFFSETS (INIT_HCA_QPC_OFFSET + 0x38) 1742 #define INIT_HCA_EQE_CQE_STRIDE_OFFSET (INIT_HCA_QPC_OFFSET + 0x3b) 1743 #define INIT_HCA_ALTC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x40) 1744 #define INIT_HCA_AUXC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x50) 1745 #define INIT_HCA_EQC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x60) 1746 #define INIT_HCA_LOG_EQ_OFFSET (INIT_HCA_QPC_OFFSET + 0x67) 1747 #define INIT_HCA_NUM_SYS_EQS_OFFSET (INIT_HCA_QPC_OFFSET + 0x6a) 1748 #define INIT_HCA_RDMARC_BASE_OFFSET (INIT_HCA_QPC_OFFSET + 0x70) 1749 #define INIT_HCA_LOG_RD_OFFSET (INIT_HCA_QPC_OFFSET + 0x77) 1750 #define INIT_HCA_MCAST_OFFSET 0x0c0 1751 #define INIT_HCA_MC_BASE_OFFSET (INIT_HCA_MCAST_OFFSET + 0x00) 1752 #define INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x12) 1753 #define INIT_HCA_LOG_MC_HASH_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x16) 1754 #define INIT_HCA_UC_STEERING_OFFSET (INIT_HCA_MCAST_OFFSET + 0x18) 1755 #define INIT_HCA_LOG_MC_TABLE_SZ_OFFSET (INIT_HCA_MCAST_OFFSET + 0x1b) 1756 #define INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN 0x6 1757 #define INIT_HCA_FS_PARAM_OFFSET 0x1d0 1758 #define INIT_HCA_FS_BASE_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x00) 1759 #define INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x12) 1760 #define INIT_HCA_FS_A0_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x18) 1761 #define INIT_HCA_FS_LOG_TABLE_SZ_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x1b) 1762 #define INIT_HCA_FS_ETH_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x21) 1763 #define INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x22) 1764 #define INIT_HCA_FS_IB_BITS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x25) 1765 #define INIT_HCA_FS_IB_NUM_ADDRS_OFFSET (INIT_HCA_FS_PARAM_OFFSET + 0x26) 1766 #define INIT_HCA_TPT_OFFSET 0x0f0 1767 #define INIT_HCA_DMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x00) 1768 #define INIT_HCA_TPT_MW_OFFSET (INIT_HCA_TPT_OFFSET + 0x08) 1769 #define INIT_HCA_LOG_MPT_SZ_OFFSET (INIT_HCA_TPT_OFFSET + 0x0b) 1770 #define INIT_HCA_MTT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x10) 1771 #define INIT_HCA_CMPT_BASE_OFFSET (INIT_HCA_TPT_OFFSET + 0x18) 1772 #define INIT_HCA_UAR_OFFSET 0x120 1773 #define INIT_HCA_LOG_UAR_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0a) 1774 #define INIT_HCA_UAR_PAGE_SZ_OFFSET (INIT_HCA_UAR_OFFSET + 0x0b) 1775 1776 mailbox = mlx4_alloc_cmd_mailbox(dev); 1777 if (IS_ERR(mailbox)) 1778 return PTR_ERR(mailbox); 1779 inbox = mailbox->buf; 1780 1781 *((u8 *) mailbox->buf + INIT_HCA_VERSION_OFFSET) = INIT_HCA_VERSION; 1782 1783 *((u8 *) mailbox->buf + INIT_HCA_CACHELINE_SZ_OFFSET) = 1784 (ilog2(cache_line_size()) - 4) << 5; 1785 1786 #if defined(__LITTLE_ENDIAN) 1787 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) &= ~cpu_to_be32(1 << 1); 1788 #elif defined(__BIG_ENDIAN) 1789 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 1); 1790 #else 1791 #error Host endianness not defined 1792 #endif 1793 /* Check port for UD address vector: */ 1794 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1); 1795 1796 /* Enable IPoIB checksumming if we can: */ 1797 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) 1798 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 3); 1799 1800 /* Enable QoS support if module parameter set */ 1801 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG && enable_qos) 1802 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 2); 1803 1804 /* enable counters */ 1805 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_COUNTERS) 1806 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 4); 1807 1808 /* Enable RSS spread to fragmented IP packets when supported */ 1809 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_RSS_IP_FRAG) 1810 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= cpu_to_be32(1 << 13); 1811 1812 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ 1813 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_EQE) { 1814 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 29); 1815 dev->caps.eqe_size = 64; 1816 dev->caps.eqe_factor = 1; 1817 } else { 1818 dev->caps.eqe_size = 32; 1819 dev->caps.eqe_factor = 0; 1820 } 1821 1822 if (dev->caps.flags & MLX4_DEV_CAP_FLAG_64B_CQE) { 1823 *(inbox + INIT_HCA_EQE_CQE_OFFSETS / 4) |= cpu_to_be32(1 << 30); 1824 dev->caps.cqe_size = 64; 1825 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; 1826 } else { 1827 dev->caps.cqe_size = 32; 1828 } 1829 1830 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ 1831 if ((dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_EQE_STRIDE) && 1832 (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CQE_STRIDE)) { 1833 dev->caps.eqe_size = cache_line_size(); 1834 dev->caps.cqe_size = cache_line_size(); 1835 dev->caps.eqe_factor = 0; 1836 MLX4_PUT(inbox, (u8)((ilog2(dev->caps.eqe_size) - 5) << 4 | 1837 (ilog2(dev->caps.eqe_size) - 5)), 1838 INIT_HCA_EQE_CQE_STRIDE_OFFSET); 1839 1840 /* User still need to know to support CQE > 32B */ 1841 dev->caps.userspace_caps |= MLX4_USER_DEV_CAP_LARGE_CQE; 1842 } 1843 1844 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT) 1845 *(inbox + INIT_HCA_RECOVERABLE_ERROR_EVENT_OFFSET / 4) |= cpu_to_be32(1 << 31); 1846 1847 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1848 1849 MLX4_PUT(inbox, param->qpc_base, INIT_HCA_QPC_BASE_OFFSET); 1850 MLX4_PUT(inbox, param->log_num_qps, INIT_HCA_LOG_QP_OFFSET); 1851 MLX4_PUT(inbox, param->srqc_base, INIT_HCA_SRQC_BASE_OFFSET); 1852 MLX4_PUT(inbox, param->log_num_srqs, INIT_HCA_LOG_SRQ_OFFSET); 1853 MLX4_PUT(inbox, param->cqc_base, INIT_HCA_CQC_BASE_OFFSET); 1854 MLX4_PUT(inbox, param->log_num_cqs, INIT_HCA_LOG_CQ_OFFSET); 1855 MLX4_PUT(inbox, param->altc_base, INIT_HCA_ALTC_BASE_OFFSET); 1856 MLX4_PUT(inbox, param->auxc_base, INIT_HCA_AUXC_BASE_OFFSET); 1857 MLX4_PUT(inbox, param->eqc_base, INIT_HCA_EQC_BASE_OFFSET); 1858 MLX4_PUT(inbox, param->log_num_eqs, INIT_HCA_LOG_EQ_OFFSET); 1859 MLX4_PUT(inbox, param->num_sys_eqs, INIT_HCA_NUM_SYS_EQS_OFFSET); 1860 MLX4_PUT(inbox, param->rdmarc_base, INIT_HCA_RDMARC_BASE_OFFSET); 1861 MLX4_PUT(inbox, param->log_rd_per_qp, INIT_HCA_LOG_RD_OFFSET); 1862 1863 /* steering attributes */ 1864 if (dev->caps.steering_mode == 1865 MLX4_STEERING_MODE_DEVICE_MANAGED) { 1866 *(inbox + INIT_HCA_FLAGS_OFFSET / 4) |= 1867 cpu_to_be32(1 << 1868 INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN); 1869 1870 MLX4_PUT(inbox, param->mc_base, INIT_HCA_FS_BASE_OFFSET); 1871 MLX4_PUT(inbox, param->log_mc_entry_sz, 1872 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); 1873 MLX4_PUT(inbox, param->log_mc_table_sz, 1874 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); 1875 /* Enable Ethernet flow steering 1876 * with udp unicast and tcp unicast 1877 */ 1878 if (dev->caps.dmfs_high_steer_mode != 1879 MLX4_STEERING_DMFS_A0_STATIC) 1880 MLX4_PUT(inbox, 1881 (u8)(MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), 1882 INIT_HCA_FS_ETH_BITS_OFFSET); 1883 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, 1884 INIT_HCA_FS_ETH_NUM_ADDRS_OFFSET); 1885 /* Enable IPoIB flow steering 1886 * with udp unicast and tcp unicast 1887 */ 1888 MLX4_PUT(inbox, (u8) (MLX4_FS_UDP_UC_EN | MLX4_FS_TCP_UC_EN), 1889 INIT_HCA_FS_IB_BITS_OFFSET); 1890 MLX4_PUT(inbox, (u16) MLX4_FS_NUM_OF_L2_ADDR, 1891 INIT_HCA_FS_IB_NUM_ADDRS_OFFSET); 1892 1893 if (dev->caps.dmfs_high_steer_mode != 1894 MLX4_STEERING_DMFS_A0_NOT_SUPPORTED) 1895 MLX4_PUT(inbox, 1896 ((u8)(a0_dmfs_hw_steering[dev->caps.dmfs_high_steer_mode] 1897 << 6)), 1898 INIT_HCA_FS_A0_OFFSET); 1899 } else { 1900 MLX4_PUT(inbox, param->mc_base, INIT_HCA_MC_BASE_OFFSET); 1901 MLX4_PUT(inbox, param->log_mc_entry_sz, 1902 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 1903 MLX4_PUT(inbox, param->log_mc_hash_sz, 1904 INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 1905 MLX4_PUT(inbox, param->log_mc_table_sz, 1906 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 1907 if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0) 1908 MLX4_PUT(inbox, (u8) (1 << 3), 1909 INIT_HCA_UC_STEERING_OFFSET); 1910 } 1911 1912 /* TPT attributes */ 1913 1914 MLX4_PUT(inbox, param->dmpt_base, INIT_HCA_DMPT_BASE_OFFSET); 1915 MLX4_PUT(inbox, param->mw_enabled, INIT_HCA_TPT_MW_OFFSET); 1916 MLX4_PUT(inbox, param->log_mpt_sz, INIT_HCA_LOG_MPT_SZ_OFFSET); 1917 MLX4_PUT(inbox, param->mtt_base, INIT_HCA_MTT_BASE_OFFSET); 1918 MLX4_PUT(inbox, param->cmpt_base, INIT_HCA_CMPT_BASE_OFFSET); 1919 1920 /* UAR attributes */ 1921 1922 MLX4_PUT(inbox, param->uar_page_sz, INIT_HCA_UAR_PAGE_SZ_OFFSET); 1923 MLX4_PUT(inbox, param->log_uar_sz, INIT_HCA_LOG_UAR_SZ_OFFSET); 1924 1925 /* set parser VXLAN attributes */ 1926 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS) { 1927 u8 parser_params = 0; 1928 MLX4_PUT(inbox, parser_params, INIT_HCA_VXLAN_OFFSET); 1929 } 1930 1931 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_INIT_HCA, 1932 MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); 1933 1934 if (err) 1935 mlx4_err(dev, "INIT_HCA returns %d\n", err); 1936 1937 mlx4_free_cmd_mailbox(dev, mailbox); 1938 return err; 1939 } 1940 1941 int mlx4_QUERY_HCA(struct mlx4_dev *dev, 1942 struct mlx4_init_hca_param *param) 1943 { 1944 struct mlx4_cmd_mailbox *mailbox; 1945 __be32 *outbox; 1946 u32 dword_field; 1947 int err; 1948 u8 byte_field; 1949 static const u8 a0_dmfs_query_hw_steering[] = { 1950 [0] = MLX4_STEERING_DMFS_A0_DEFAULT, 1951 [1] = MLX4_STEERING_DMFS_A0_DYNAMIC, 1952 [2] = MLX4_STEERING_DMFS_A0_STATIC, 1953 [3] = MLX4_STEERING_DMFS_A0_DISABLE 1954 }; 1955 1956 #define QUERY_HCA_GLOBAL_CAPS_OFFSET 0x04 1957 #define QUERY_HCA_CORE_CLOCK_OFFSET 0x0c 1958 1959 mailbox = mlx4_alloc_cmd_mailbox(dev); 1960 if (IS_ERR(mailbox)) 1961 return PTR_ERR(mailbox); 1962 outbox = mailbox->buf; 1963 1964 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, 1965 MLX4_CMD_QUERY_HCA, 1966 MLX4_CMD_TIME_CLASS_B, 1967 !mlx4_is_slave(dev)); 1968 if (err) 1969 goto out; 1970 1971 MLX4_GET(param->global_caps, outbox, QUERY_HCA_GLOBAL_CAPS_OFFSET); 1972 MLX4_GET(param->hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); 1973 1974 /* QPC/EEC/CQC/EQC/RDMARC attributes */ 1975 1976 MLX4_GET(param->qpc_base, outbox, INIT_HCA_QPC_BASE_OFFSET); 1977 MLX4_GET(param->log_num_qps, outbox, INIT_HCA_LOG_QP_OFFSET); 1978 MLX4_GET(param->srqc_base, outbox, INIT_HCA_SRQC_BASE_OFFSET); 1979 MLX4_GET(param->log_num_srqs, outbox, INIT_HCA_LOG_SRQ_OFFSET); 1980 MLX4_GET(param->cqc_base, outbox, INIT_HCA_CQC_BASE_OFFSET); 1981 MLX4_GET(param->log_num_cqs, outbox, INIT_HCA_LOG_CQ_OFFSET); 1982 MLX4_GET(param->altc_base, outbox, INIT_HCA_ALTC_BASE_OFFSET); 1983 MLX4_GET(param->auxc_base, outbox, INIT_HCA_AUXC_BASE_OFFSET); 1984 MLX4_GET(param->eqc_base, outbox, INIT_HCA_EQC_BASE_OFFSET); 1985 MLX4_GET(param->log_num_eqs, outbox, INIT_HCA_LOG_EQ_OFFSET); 1986 MLX4_GET(param->num_sys_eqs, outbox, INIT_HCA_NUM_SYS_EQS_OFFSET); 1987 MLX4_GET(param->rdmarc_base, outbox, INIT_HCA_RDMARC_BASE_OFFSET); 1988 MLX4_GET(param->log_rd_per_qp, outbox, INIT_HCA_LOG_RD_OFFSET); 1989 1990 MLX4_GET(dword_field, outbox, INIT_HCA_FLAGS_OFFSET); 1991 if (dword_field & (1 << INIT_HCA_DEVICE_MANAGED_FLOW_STEERING_EN)) { 1992 param->steering_mode = MLX4_STEERING_MODE_DEVICE_MANAGED; 1993 } else { 1994 MLX4_GET(byte_field, outbox, INIT_HCA_UC_STEERING_OFFSET); 1995 if (byte_field & 0x8) 1996 param->steering_mode = MLX4_STEERING_MODE_B0; 1997 else 1998 param->steering_mode = MLX4_STEERING_MODE_A0; 1999 } 2000 2001 if (dword_field & (1 << 13)) 2002 param->rss_ip_frags = 1; 2003 2004 /* steering attributes */ 2005 if (param->steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { 2006 MLX4_GET(param->mc_base, outbox, INIT_HCA_FS_BASE_OFFSET); 2007 MLX4_GET(param->log_mc_entry_sz, outbox, 2008 INIT_HCA_FS_LOG_ENTRY_SZ_OFFSET); 2009 MLX4_GET(param->log_mc_table_sz, outbox, 2010 INIT_HCA_FS_LOG_TABLE_SZ_OFFSET); 2011 MLX4_GET(byte_field, outbox, 2012 INIT_HCA_FS_A0_OFFSET); 2013 param->dmfs_high_steer_mode = 2014 a0_dmfs_query_hw_steering[(byte_field >> 6) & 3]; 2015 } else { 2016 MLX4_GET(param->mc_base, outbox, INIT_HCA_MC_BASE_OFFSET); 2017 MLX4_GET(param->log_mc_entry_sz, outbox, 2018 INIT_HCA_LOG_MC_ENTRY_SZ_OFFSET); 2019 MLX4_GET(param->log_mc_hash_sz, outbox, 2020 INIT_HCA_LOG_MC_HASH_SZ_OFFSET); 2021 MLX4_GET(param->log_mc_table_sz, outbox, 2022 INIT_HCA_LOG_MC_TABLE_SZ_OFFSET); 2023 } 2024 2025 /* CX3 is capable of extending CQEs/EQEs from 32 to 64 bytes */ 2026 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_OFFSETS); 2027 if (byte_field & 0x20) /* 64-bytes eqe enabled */ 2028 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_EQE_ENABLED; 2029 if (byte_field & 0x40) /* 64-bytes cqe enabled */ 2030 param->dev_cap_enabled |= MLX4_DEV_CAP_64B_CQE_ENABLED; 2031 2032 /* CX3 is capable of extending CQEs\EQEs to strides larger than 64B */ 2033 MLX4_GET(byte_field, outbox, INIT_HCA_EQE_CQE_STRIDE_OFFSET); 2034 if (byte_field) { 2035 param->dev_cap_enabled |= MLX4_DEV_CAP_EQE_STRIDE_ENABLED; 2036 param->dev_cap_enabled |= MLX4_DEV_CAP_CQE_STRIDE_ENABLED; 2037 param->cqe_size = 1 << ((byte_field & 2038 MLX4_CQE_SIZE_MASK_STRIDE) + 5); 2039 param->eqe_size = 1 << (((byte_field & 2040 MLX4_EQE_SIZE_MASK_STRIDE) >> 4) + 5); 2041 } 2042 2043 /* TPT attributes */ 2044 2045 MLX4_GET(param->dmpt_base, outbox, INIT_HCA_DMPT_BASE_OFFSET); 2046 MLX4_GET(param->mw_enabled, outbox, INIT_HCA_TPT_MW_OFFSET); 2047 MLX4_GET(param->log_mpt_sz, outbox, INIT_HCA_LOG_MPT_SZ_OFFSET); 2048 MLX4_GET(param->mtt_base, outbox, INIT_HCA_MTT_BASE_OFFSET); 2049 MLX4_GET(param->cmpt_base, outbox, INIT_HCA_CMPT_BASE_OFFSET); 2050 2051 /* UAR attributes */ 2052 2053 MLX4_GET(param->uar_page_sz, outbox, INIT_HCA_UAR_PAGE_SZ_OFFSET); 2054 MLX4_GET(param->log_uar_sz, outbox, INIT_HCA_LOG_UAR_SZ_OFFSET); 2055 2056 /* phv_check enable */ 2057 MLX4_GET(byte_field, outbox, INIT_HCA_CACHELINE_SZ_OFFSET); 2058 if (byte_field & 0x2) 2059 param->phv_check_en = 1; 2060 out: 2061 mlx4_free_cmd_mailbox(dev, mailbox); 2062 2063 return err; 2064 } 2065 2066 static int mlx4_hca_core_clock_update(struct mlx4_dev *dev) 2067 { 2068 struct mlx4_cmd_mailbox *mailbox; 2069 __be32 *outbox; 2070 int err; 2071 2072 mailbox = mlx4_alloc_cmd_mailbox(dev); 2073 if (IS_ERR(mailbox)) { 2074 mlx4_warn(dev, "hca_core_clock mailbox allocation failed\n"); 2075 return PTR_ERR(mailbox); 2076 } 2077 outbox = mailbox->buf; 2078 2079 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, 2080 MLX4_CMD_QUERY_HCA, 2081 MLX4_CMD_TIME_CLASS_B, 2082 !mlx4_is_slave(dev)); 2083 if (err) { 2084 mlx4_warn(dev, "hca_core_clock update failed\n"); 2085 goto out; 2086 } 2087 2088 MLX4_GET(dev->caps.hca_core_clock, outbox, QUERY_HCA_CORE_CLOCK_OFFSET); 2089 2090 out: 2091 mlx4_free_cmd_mailbox(dev, mailbox); 2092 2093 return err; 2094 } 2095 2096 /* for IB-type ports only in SRIOV mode. Checks that both proxy QP0 2097 * and real QP0 are active, so that the paravirtualized QP0 is ready 2098 * to operate */ 2099 static int check_qp0_state(struct mlx4_dev *dev, int function, int port) 2100 { 2101 struct mlx4_priv *priv = mlx4_priv(dev); 2102 /* irrelevant if not infiniband */ 2103 if (priv->mfunc.master.qp0_state[port].proxy_qp0_active && 2104 priv->mfunc.master.qp0_state[port].qp0_active) 2105 return 1; 2106 return 0; 2107 } 2108 2109 int mlx4_INIT_PORT_wrapper(struct mlx4_dev *dev, int slave, 2110 struct mlx4_vhcr *vhcr, 2111 struct mlx4_cmd_mailbox *inbox, 2112 struct mlx4_cmd_mailbox *outbox, 2113 struct mlx4_cmd_info *cmd) 2114 { 2115 struct mlx4_priv *priv = mlx4_priv(dev); 2116 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); 2117 int err; 2118 2119 if (port < 0) 2120 return -EINVAL; 2121 2122 if (priv->mfunc.master.slave_state[slave].init_port_mask & (1 << port)) 2123 return 0; 2124 2125 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { 2126 /* Enable port only if it was previously disabled */ 2127 if (!priv->mfunc.master.init_port_ref[port]) { 2128 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 2129 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2130 if (err) 2131 return err; 2132 } 2133 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 2134 } else { 2135 if (slave == mlx4_master_func_num(dev)) { 2136 if (check_qp0_state(dev, slave, port) && 2137 !priv->mfunc.master.qp0_state[port].port_active) { 2138 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 2139 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2140 if (err) 2141 return err; 2142 priv->mfunc.master.qp0_state[port].port_active = 1; 2143 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 2144 } 2145 } else 2146 priv->mfunc.master.slave_state[slave].init_port_mask |= (1 << port); 2147 } 2148 ++priv->mfunc.master.init_port_ref[port]; 2149 return 0; 2150 } 2151 2152 int mlx4_INIT_PORT(struct mlx4_dev *dev, int port) 2153 { 2154 struct mlx4_cmd_mailbox *mailbox; 2155 u32 *inbox; 2156 int err; 2157 u32 flags; 2158 u16 field; 2159 2160 if (dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { 2161 #define INIT_PORT_IN_SIZE 256 2162 #define INIT_PORT_FLAGS_OFFSET 0x00 2163 #define INIT_PORT_FLAG_SIG (1 << 18) 2164 #define INIT_PORT_FLAG_NG (1 << 17) 2165 #define INIT_PORT_FLAG_G0 (1 << 16) 2166 #define INIT_PORT_VL_SHIFT 4 2167 #define INIT_PORT_PORT_WIDTH_SHIFT 8 2168 #define INIT_PORT_MTU_OFFSET 0x04 2169 #define INIT_PORT_MAX_GID_OFFSET 0x06 2170 #define INIT_PORT_MAX_PKEY_OFFSET 0x0a 2171 #define INIT_PORT_GUID0_OFFSET 0x10 2172 #define INIT_PORT_NODE_GUID_OFFSET 0x18 2173 #define INIT_PORT_SI_GUID_OFFSET 0x20 2174 2175 mailbox = mlx4_alloc_cmd_mailbox(dev); 2176 if (IS_ERR(mailbox)) 2177 return PTR_ERR(mailbox); 2178 inbox = mailbox->buf; 2179 2180 flags = 0; 2181 flags |= (dev->caps.vl_cap[port] & 0xf) << INIT_PORT_VL_SHIFT; 2182 flags |= (dev->caps.port_width_cap[port] & 0xf) << INIT_PORT_PORT_WIDTH_SHIFT; 2183 MLX4_PUT(inbox, flags, INIT_PORT_FLAGS_OFFSET); 2184 2185 field = 128 << dev->caps.ib_mtu_cap[port]; 2186 MLX4_PUT(inbox, field, INIT_PORT_MTU_OFFSET); 2187 field = dev->caps.gid_table_len[port]; 2188 MLX4_PUT(inbox, field, INIT_PORT_MAX_GID_OFFSET); 2189 field = dev->caps.pkey_table_len[port]; 2190 MLX4_PUT(inbox, field, INIT_PORT_MAX_PKEY_OFFSET); 2191 2192 err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_INIT_PORT, 2193 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2194 2195 mlx4_free_cmd_mailbox(dev, mailbox); 2196 } else 2197 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_INIT_PORT, 2198 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 2199 2200 if (!err) 2201 mlx4_hca_core_clock_update(dev); 2202 2203 return err; 2204 } 2205 EXPORT_SYMBOL_GPL(mlx4_INIT_PORT); 2206 2207 int mlx4_CLOSE_PORT_wrapper(struct mlx4_dev *dev, int slave, 2208 struct mlx4_vhcr *vhcr, 2209 struct mlx4_cmd_mailbox *inbox, 2210 struct mlx4_cmd_mailbox *outbox, 2211 struct mlx4_cmd_info *cmd) 2212 { 2213 struct mlx4_priv *priv = mlx4_priv(dev); 2214 int port = mlx4_slave_convert_port(dev, slave, vhcr->in_modifier); 2215 int err; 2216 2217 if (port < 0) 2218 return -EINVAL; 2219 2220 if (!(priv->mfunc.master.slave_state[slave].init_port_mask & 2221 (1 << port))) 2222 return 0; 2223 2224 if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) { 2225 if (priv->mfunc.master.init_port_ref[port] == 1) { 2226 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 2227 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2228 if (err) 2229 return err; 2230 } 2231 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 2232 } else { 2233 /* infiniband port */ 2234 if (slave == mlx4_master_func_num(dev)) { 2235 if (!priv->mfunc.master.qp0_state[port].qp0_active && 2236 priv->mfunc.master.qp0_state[port].port_active) { 2237 err = mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 2238 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2239 if (err) 2240 return err; 2241 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 2242 priv->mfunc.master.qp0_state[port].port_active = 0; 2243 } 2244 } else 2245 priv->mfunc.master.slave_state[slave].init_port_mask &= ~(1 << port); 2246 } 2247 --priv->mfunc.master.init_port_ref[port]; 2248 return 0; 2249 } 2250 2251 int mlx4_CLOSE_PORT(struct mlx4_dev *dev, int port) 2252 { 2253 return mlx4_cmd(dev, 0, port, 0, MLX4_CMD_CLOSE_PORT, 2254 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED); 2255 } 2256 EXPORT_SYMBOL_GPL(mlx4_CLOSE_PORT); 2257 2258 int mlx4_CLOSE_HCA(struct mlx4_dev *dev, int panic) 2259 { 2260 return mlx4_cmd(dev, 0, 0, panic, MLX4_CMD_CLOSE_HCA, 2261 MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); 2262 } 2263 2264 struct mlx4_config_dev { 2265 __be32 update_flags; 2266 __be32 rsvd1[3]; 2267 __be16 vxlan_udp_dport; 2268 __be16 rsvd2; 2269 __be16 roce_v2_entropy; 2270 __be16 roce_v2_udp_dport; 2271 __be32 roce_flags; 2272 __be32 rsvd4[25]; 2273 __be16 rsvd5; 2274 u8 rsvd6; 2275 u8 rx_checksum_val; 2276 }; 2277 2278 #define MLX4_VXLAN_UDP_DPORT (1 << 0) 2279 #define MLX4_ROCE_V2_UDP_DPORT BIT(3) 2280 #define MLX4_DISABLE_RX_PORT BIT(18) 2281 2282 static int mlx4_CONFIG_DEV_set(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) 2283 { 2284 int err; 2285 struct mlx4_cmd_mailbox *mailbox; 2286 2287 mailbox = mlx4_alloc_cmd_mailbox(dev); 2288 if (IS_ERR(mailbox)) 2289 return PTR_ERR(mailbox); 2290 2291 memcpy(mailbox->buf, config_dev, sizeof(*config_dev)); 2292 2293 err = mlx4_cmd(dev, mailbox->dma, 0, 0, MLX4_CMD_CONFIG_DEV, 2294 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 2295 2296 mlx4_free_cmd_mailbox(dev, mailbox); 2297 return err; 2298 } 2299 2300 static int mlx4_CONFIG_DEV_get(struct mlx4_dev *dev, struct mlx4_config_dev *config_dev) 2301 { 2302 int err; 2303 struct mlx4_cmd_mailbox *mailbox; 2304 2305 mailbox = mlx4_alloc_cmd_mailbox(dev); 2306 if (IS_ERR(mailbox)) 2307 return PTR_ERR(mailbox); 2308 2309 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 1, MLX4_CMD_CONFIG_DEV, 2310 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2311 2312 if (!err) 2313 memcpy(config_dev, mailbox->buf, sizeof(*config_dev)); 2314 2315 mlx4_free_cmd_mailbox(dev, mailbox); 2316 return err; 2317 } 2318 2319 /* Conversion between the HW values and the actual functionality. 2320 * The value represented by the array index, 2321 * and the functionality determined by the flags. 2322 */ 2323 static const u8 config_dev_csum_flags[] = { 2324 [0] = 0, 2325 [1] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP, 2326 [2] = MLX4_RX_CSUM_MODE_VAL_NON_TCP_UDP | 2327 MLX4_RX_CSUM_MODE_L4, 2328 [3] = MLX4_RX_CSUM_MODE_L4 | 2329 MLX4_RX_CSUM_MODE_IP_OK_IP_NON_TCP_UDP | 2330 MLX4_RX_CSUM_MODE_MULTI_VLAN 2331 }; 2332 2333 int mlx4_config_dev_retrieval(struct mlx4_dev *dev, 2334 struct mlx4_config_dev_params *params) 2335 { 2336 struct mlx4_config_dev config_dev = {0}; 2337 int err; 2338 u8 csum_mask; 2339 2340 #define CONFIG_DEV_RX_CSUM_MODE_MASK 0x7 2341 #define CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET 0 2342 #define CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET 4 2343 2344 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_CONFIG_DEV)) 2345 return -ENOTSUPP; 2346 2347 err = mlx4_CONFIG_DEV_get(dev, &config_dev); 2348 if (err) 2349 return err; 2350 2351 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT1_BIT_OFFSET) & 2352 CONFIG_DEV_RX_CSUM_MODE_MASK; 2353 2354 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) 2355 return -EINVAL; 2356 params->rx_csum_flags_port_1 = config_dev_csum_flags[csum_mask]; 2357 2358 csum_mask = (config_dev.rx_checksum_val >> CONFIG_DEV_RX_CSUM_MODE_PORT2_BIT_OFFSET) & 2359 CONFIG_DEV_RX_CSUM_MODE_MASK; 2360 2361 if (csum_mask >= sizeof(config_dev_csum_flags)/sizeof(config_dev_csum_flags[0])) 2362 return -EINVAL; 2363 params->rx_csum_flags_port_2 = config_dev_csum_flags[csum_mask]; 2364 2365 params->vxlan_udp_dport = be16_to_cpu(config_dev.vxlan_udp_dport); 2366 2367 return 0; 2368 } 2369 EXPORT_SYMBOL_GPL(mlx4_config_dev_retrieval); 2370 2371 int mlx4_config_vxlan_port(struct mlx4_dev *dev, __be16 udp_port) 2372 { 2373 struct mlx4_config_dev config_dev; 2374 2375 memset(&config_dev, 0, sizeof(config_dev)); 2376 config_dev.update_flags = cpu_to_be32(MLX4_VXLAN_UDP_DPORT); 2377 config_dev.vxlan_udp_dport = udp_port; 2378 2379 return mlx4_CONFIG_DEV_set(dev, &config_dev); 2380 } 2381 EXPORT_SYMBOL_GPL(mlx4_config_vxlan_port); 2382 2383 #define CONFIG_DISABLE_RX_PORT BIT(15) 2384 int mlx4_disable_rx_port_check(struct mlx4_dev *dev, bool dis) 2385 { 2386 struct mlx4_config_dev config_dev; 2387 2388 memset(&config_dev, 0, sizeof(config_dev)); 2389 config_dev.update_flags = cpu_to_be32(MLX4_DISABLE_RX_PORT); 2390 if (dis) 2391 config_dev.roce_flags = 2392 cpu_to_be32(CONFIG_DISABLE_RX_PORT); 2393 2394 return mlx4_CONFIG_DEV_set(dev, &config_dev); 2395 } 2396 2397 int mlx4_config_roce_v2_port(struct mlx4_dev *dev, u16 udp_port) 2398 { 2399 struct mlx4_config_dev config_dev; 2400 2401 memset(&config_dev, 0, sizeof(config_dev)); 2402 config_dev.update_flags = cpu_to_be32(MLX4_ROCE_V2_UDP_DPORT); 2403 config_dev.roce_v2_udp_dport = cpu_to_be16(udp_port); 2404 2405 return mlx4_CONFIG_DEV_set(dev, &config_dev); 2406 } 2407 EXPORT_SYMBOL_GPL(mlx4_config_roce_v2_port); 2408 2409 int mlx4_virt2phy_port_map(struct mlx4_dev *dev, u32 port1, u32 port2) 2410 { 2411 struct mlx4_cmd_mailbox *mailbox; 2412 struct { 2413 __be32 v_port1; 2414 __be32 v_port2; 2415 } *v2p; 2416 int err; 2417 2418 mailbox = mlx4_alloc_cmd_mailbox(dev); 2419 if (IS_ERR(mailbox)) 2420 return -ENOMEM; 2421 2422 v2p = mailbox->buf; 2423 v2p->v_port1 = cpu_to_be32(port1); 2424 v2p->v_port2 = cpu_to_be32(port2); 2425 2426 err = mlx4_cmd(dev, mailbox->dma, 0, 2427 MLX4_SET_PORT_VIRT2PHY, MLX4_CMD_VIRT_PORT_MAP, 2428 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 2429 2430 mlx4_free_cmd_mailbox(dev, mailbox); 2431 return err; 2432 } 2433 2434 2435 int mlx4_SET_ICM_SIZE(struct mlx4_dev *dev, u64 icm_size, u64 *aux_pages) 2436 { 2437 int ret = mlx4_cmd_imm(dev, icm_size, aux_pages, 0, 0, 2438 MLX4_CMD_SET_ICM_SIZE, 2439 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2440 if (ret) 2441 return ret; 2442 2443 /* 2444 * Round up number of system pages needed in case 2445 * MLX4_ICM_PAGE_SIZE < PAGE_SIZE. 2446 */ 2447 *aux_pages = ALIGN(*aux_pages, PAGE_SIZE / MLX4_ICM_PAGE_SIZE) >> 2448 (PAGE_SHIFT - MLX4_ICM_PAGE_SHIFT); 2449 2450 return 0; 2451 } 2452 2453 int mlx4_NOP(struct mlx4_dev *dev) 2454 { 2455 /* Input modifier of 0x1f means "finish as soon as possible." */ 2456 return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, MLX4_CMD_TIME_CLASS_A, 2457 MLX4_CMD_NATIVE); 2458 } 2459 2460 int mlx4_get_phys_port_id(struct mlx4_dev *dev) 2461 { 2462 u8 port; 2463 u32 *outbox; 2464 struct mlx4_cmd_mailbox *mailbox; 2465 u32 in_mod; 2466 u32 guid_hi, guid_lo; 2467 int err, ret = 0; 2468 #define MOD_STAT_CFG_PORT_OFFSET 8 2469 #define MOD_STAT_CFG_GUID_H 0X14 2470 #define MOD_STAT_CFG_GUID_L 0X1c 2471 2472 mailbox = mlx4_alloc_cmd_mailbox(dev); 2473 if (IS_ERR(mailbox)) 2474 return PTR_ERR(mailbox); 2475 outbox = mailbox->buf; 2476 2477 for (port = 1; port <= dev->caps.num_ports; port++) { 2478 in_mod = port << MOD_STAT_CFG_PORT_OFFSET; 2479 err = mlx4_cmd_box(dev, 0, mailbox->dma, in_mod, 0x2, 2480 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, 2481 MLX4_CMD_NATIVE); 2482 if (err) { 2483 mlx4_err(dev, "Fail to get port %d uplink guid\n", 2484 port); 2485 ret = err; 2486 } else { 2487 MLX4_GET(guid_hi, outbox, MOD_STAT_CFG_GUID_H); 2488 MLX4_GET(guid_lo, outbox, MOD_STAT_CFG_GUID_L); 2489 dev->caps.phys_port_id[port] = (u64)guid_lo | 2490 (u64)guid_hi << 32; 2491 } 2492 } 2493 mlx4_free_cmd_mailbox(dev, mailbox); 2494 return ret; 2495 } 2496 2497 #define MLX4_WOL_SETUP_MODE (5 << 28) 2498 int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port) 2499 { 2500 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 2501 2502 return mlx4_cmd_imm(dev, 0, config, in_mod, 0x3, 2503 MLX4_CMD_MOD_STAT_CFG, MLX4_CMD_TIME_CLASS_A, 2504 MLX4_CMD_NATIVE); 2505 } 2506 EXPORT_SYMBOL_GPL(mlx4_wol_read); 2507 2508 int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port) 2509 { 2510 u32 in_mod = MLX4_WOL_SETUP_MODE | port << 8; 2511 2512 return mlx4_cmd(dev, config, in_mod, 0x1, MLX4_CMD_MOD_STAT_CFG, 2513 MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); 2514 } 2515 EXPORT_SYMBOL_GPL(mlx4_wol_write); 2516 2517 enum { 2518 ADD_TO_MCG = 0x26, 2519 }; 2520 2521 2522 void mlx4_opreq_action(struct work_struct *work) 2523 { 2524 struct mlx4_priv *priv = container_of(work, struct mlx4_priv, 2525 opreq_task); 2526 struct mlx4_dev *dev = &priv->dev; 2527 int num_tasks = atomic_read(&priv->opreq_count); 2528 struct mlx4_cmd_mailbox *mailbox; 2529 struct mlx4_mgm *mgm; 2530 u32 *outbox; 2531 u32 modifier; 2532 u16 token; 2533 u16 type; 2534 int err; 2535 u32 num_qps; 2536 struct mlx4_qp qp; 2537 int i; 2538 u8 rem_mcg; 2539 u8 prot; 2540 2541 #define GET_OP_REQ_MODIFIER_OFFSET 0x08 2542 #define GET_OP_REQ_TOKEN_OFFSET 0x14 2543 #define GET_OP_REQ_TYPE_OFFSET 0x1a 2544 #define GET_OP_REQ_DATA_OFFSET 0x20 2545 2546 mailbox = mlx4_alloc_cmd_mailbox(dev); 2547 if (IS_ERR(mailbox)) { 2548 mlx4_err(dev, "Failed to allocate mailbox for GET_OP_REQ\n"); 2549 return; 2550 } 2551 outbox = mailbox->buf; 2552 2553 while (num_tasks) { 2554 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0, 0, 2555 MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, 2556 MLX4_CMD_NATIVE); 2557 if (err) { 2558 mlx4_err(dev, "Failed to retrieve required operation: %d\n", 2559 err); 2560 return; 2561 } 2562 MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET); 2563 MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET); 2564 MLX4_GET(type, outbox, GET_OP_REQ_TYPE_OFFSET); 2565 type &= 0xfff; 2566 2567 switch (type) { 2568 case ADD_TO_MCG: 2569 if (dev->caps.steering_mode == 2570 MLX4_STEERING_MODE_DEVICE_MANAGED) { 2571 mlx4_warn(dev, "ADD MCG operation is not supported in DEVICE_MANAGED steering mode\n"); 2572 err = EPERM; 2573 break; 2574 } 2575 mgm = (struct mlx4_mgm *)((u8 *)(outbox) + 2576 GET_OP_REQ_DATA_OFFSET); 2577 num_qps = be32_to_cpu(mgm->members_count) & 2578 MGM_QPN_MASK; 2579 rem_mcg = ((u8 *)(&mgm->members_count))[0] & 1; 2580 prot = ((u8 *)(&mgm->members_count))[0] >> 6; 2581 2582 for (i = 0; i < num_qps; i++) { 2583 qp.qpn = be32_to_cpu(mgm->qp[i]); 2584 if (rem_mcg) 2585 err = mlx4_multicast_detach(dev, &qp, 2586 mgm->gid, 2587 prot, 0); 2588 else 2589 err = mlx4_multicast_attach(dev, &qp, 2590 mgm->gid, 2591 mgm->gid[5] 2592 , 0, prot, 2593 NULL); 2594 if (err) 2595 break; 2596 } 2597 break; 2598 default: 2599 mlx4_warn(dev, "Bad type for required operation\n"); 2600 err = EINVAL; 2601 break; 2602 } 2603 err = mlx4_cmd(dev, 0, ((u32) err | 2604 (__force u32)cpu_to_be32(token) << 16), 2605 1, MLX4_CMD_GET_OP_REQ, MLX4_CMD_TIME_CLASS_A, 2606 MLX4_CMD_NATIVE); 2607 if (err) { 2608 mlx4_err(dev, "Failed to acknowledge required request: %d\n", 2609 err); 2610 goto out; 2611 } 2612 memset(outbox, 0, 0xffc); 2613 num_tasks = atomic_dec_return(&priv->opreq_count); 2614 } 2615 2616 out: 2617 mlx4_free_cmd_mailbox(dev, mailbox); 2618 } 2619 2620 static int mlx4_check_smp_firewall_active(struct mlx4_dev *dev, 2621 struct mlx4_cmd_mailbox *mailbox) 2622 { 2623 #define MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET 0x10 2624 #define MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET 0x20 2625 #define MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET 0x40 2626 #define MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET 0x70 2627 2628 u32 set_attr_mask, getresp_attr_mask; 2629 u32 trap_attr_mask, traprepress_attr_mask; 2630 2631 MLX4_GET(set_attr_mask, mailbox->buf, 2632 MLX4_CMD_MAD_DEMUX_SET_ATTR_OFFSET); 2633 mlx4_dbg(dev, "SMP firewall set_attribute_mask = 0x%x\n", 2634 set_attr_mask); 2635 2636 MLX4_GET(getresp_attr_mask, mailbox->buf, 2637 MLX4_CMD_MAD_DEMUX_GETRESP_ATTR_OFFSET); 2638 mlx4_dbg(dev, "SMP firewall getresp_attribute_mask = 0x%x\n", 2639 getresp_attr_mask); 2640 2641 MLX4_GET(trap_attr_mask, mailbox->buf, 2642 MLX4_CMD_MAD_DEMUX_TRAP_ATTR_OFFSET); 2643 mlx4_dbg(dev, "SMP firewall trap_attribute_mask = 0x%x\n", 2644 trap_attr_mask); 2645 2646 MLX4_GET(traprepress_attr_mask, mailbox->buf, 2647 MLX4_CMD_MAD_DEMUX_TRAP_REPRESS_ATTR_OFFSET); 2648 mlx4_dbg(dev, "SMP firewall traprepress_attribute_mask = 0x%x\n", 2649 traprepress_attr_mask); 2650 2651 if (set_attr_mask && getresp_attr_mask && trap_attr_mask && 2652 traprepress_attr_mask) 2653 return 1; 2654 2655 return 0; 2656 } 2657 2658 int mlx4_config_mad_demux(struct mlx4_dev *dev) 2659 { 2660 struct mlx4_cmd_mailbox *mailbox; 2661 int secure_host_active; 2662 int err; 2663 2664 /* Check if mad_demux is supported */ 2665 if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_MAD_DEMUX)) 2666 return 0; 2667 2668 mailbox = mlx4_alloc_cmd_mailbox(dev); 2669 if (IS_ERR(mailbox)) { 2670 mlx4_warn(dev, "Failed to allocate mailbox for cmd MAD_DEMUX"); 2671 return -ENOMEM; 2672 } 2673 2674 /* Query mad_demux to find out which MADs are handled by internal sma */ 2675 err = mlx4_cmd_box(dev, 0, mailbox->dma, 0x01 /* subn mgmt class */, 2676 MLX4_CMD_MAD_DEMUX_QUERY_RESTR, MLX4_CMD_MAD_DEMUX, 2677 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 2678 if (err) { 2679 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: query restrictions failed (%d)\n", 2680 err); 2681 goto out; 2682 } 2683 2684 secure_host_active = mlx4_check_smp_firewall_active(dev, mailbox); 2685 2686 /* Config mad_demux to handle all MADs returned by the query above */ 2687 err = mlx4_cmd(dev, mailbox->dma, 0x01 /* subn mgmt class */, 2688 MLX4_CMD_MAD_DEMUX_CONFIG, MLX4_CMD_MAD_DEMUX, 2689 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 2690 if (err) { 2691 mlx4_warn(dev, "MLX4_CMD_MAD_DEMUX: configure failed (%d)\n", err); 2692 goto out; 2693 } 2694 2695 if (secure_host_active) 2696 mlx4_warn(dev, "HCA operating in secure-host mode. SMP firewall activated.\n"); 2697 out: 2698 mlx4_free_cmd_mailbox(dev, mailbox); 2699 return err; 2700 } 2701 2702 /* Access Reg commands */ 2703 enum mlx4_access_reg_masks { 2704 MLX4_ACCESS_REG_STATUS_MASK = 0x7f, 2705 MLX4_ACCESS_REG_METHOD_MASK = 0x7f, 2706 MLX4_ACCESS_REG_LEN_MASK = 0x7ff 2707 }; 2708 2709 struct mlx4_access_reg { 2710 __be16 constant1; 2711 u8 status; 2712 u8 resrvd1; 2713 __be16 reg_id; 2714 u8 method; 2715 u8 constant2; 2716 __be32 resrvd2[2]; 2717 __be16 len_const; 2718 __be16 resrvd3; 2719 #define MLX4_ACCESS_REG_HEADER_SIZE (20) 2720 u8 reg_data[MLX4_MAILBOX_SIZE-MLX4_ACCESS_REG_HEADER_SIZE]; 2721 } __attribute__((__packed__)); 2722 2723 /** 2724 * mlx4_ACCESS_REG - Generic access reg command. 2725 * @dev: mlx4_dev. 2726 * @reg_id: register ID to access. 2727 * @method: Access method Read/Write. 2728 * @reg_len: register length to Read/Write in bytes. 2729 * @reg_data: reg_data pointer to Read/Write From/To. 2730 * 2731 * Access ConnectX registers FW command. 2732 * Returns 0 on success and copies outbox mlx4_access_reg data 2733 * field into reg_data or a negative error code. 2734 */ 2735 static int mlx4_ACCESS_REG(struct mlx4_dev *dev, u16 reg_id, 2736 enum mlx4_access_reg_method method, 2737 u16 reg_len, void *reg_data) 2738 { 2739 struct mlx4_cmd_mailbox *inbox, *outbox; 2740 struct mlx4_access_reg *inbuf, *outbuf; 2741 int err; 2742 2743 inbox = mlx4_alloc_cmd_mailbox(dev); 2744 if (IS_ERR(inbox)) 2745 return PTR_ERR(inbox); 2746 2747 outbox = mlx4_alloc_cmd_mailbox(dev); 2748 if (IS_ERR(outbox)) { 2749 mlx4_free_cmd_mailbox(dev, inbox); 2750 return PTR_ERR(outbox); 2751 } 2752 2753 inbuf = inbox->buf; 2754 outbuf = outbox->buf; 2755 2756 inbuf->constant1 = cpu_to_be16(0x1<<11 | 0x4); 2757 inbuf->constant2 = 0x1; 2758 inbuf->reg_id = cpu_to_be16(reg_id); 2759 inbuf->method = method & MLX4_ACCESS_REG_METHOD_MASK; 2760 2761 reg_len = min(reg_len, (u16)(sizeof(inbuf->reg_data))); 2762 inbuf->len_const = 2763 cpu_to_be16(((reg_len/4 + 1) & MLX4_ACCESS_REG_LEN_MASK) | 2764 ((0x3) << 12)); 2765 2766 memcpy(inbuf->reg_data, reg_data, reg_len); 2767 err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, 0, 0, 2768 MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, 2769 MLX4_CMD_WRAPPED); 2770 if (err) 2771 goto out; 2772 2773 if (outbuf->status & MLX4_ACCESS_REG_STATUS_MASK) { 2774 err = outbuf->status & MLX4_ACCESS_REG_STATUS_MASK; 2775 mlx4_err(dev, 2776 "MLX4_CMD_ACCESS_REG(%x) returned REG status (%x)\n", 2777 reg_id, err); 2778 goto out; 2779 } 2780 2781 memcpy(reg_data, outbuf->reg_data, reg_len); 2782 out: 2783 mlx4_free_cmd_mailbox(dev, inbox); 2784 mlx4_free_cmd_mailbox(dev, outbox); 2785 return err; 2786 } 2787 2788 /* ConnectX registers IDs */ 2789 enum mlx4_reg_id { 2790 MLX4_REG_ID_PTYS = 0x5004, 2791 }; 2792 2793 /** 2794 * mlx4_ACCESS_PTYS_REG - Access PTYs (Port Type and Speed) 2795 * register 2796 * @dev: mlx4_dev. 2797 * @method: Access method Read/Write. 2798 * @ptys_reg: PTYS register data pointer. 2799 * 2800 * Access ConnectX PTYS register, to Read/Write Port Type/Speed 2801 * configuration 2802 * Returns 0 on success or a negative error code. 2803 */ 2804 int mlx4_ACCESS_PTYS_REG(struct mlx4_dev *dev, 2805 enum mlx4_access_reg_method method, 2806 struct mlx4_ptys_reg *ptys_reg) 2807 { 2808 return mlx4_ACCESS_REG(dev, MLX4_REG_ID_PTYS, 2809 method, sizeof(*ptys_reg), ptys_reg); 2810 } 2811 EXPORT_SYMBOL_GPL(mlx4_ACCESS_PTYS_REG); 2812 2813 int mlx4_ACCESS_REG_wrapper(struct mlx4_dev *dev, int slave, 2814 struct mlx4_vhcr *vhcr, 2815 struct mlx4_cmd_mailbox *inbox, 2816 struct mlx4_cmd_mailbox *outbox, 2817 struct mlx4_cmd_info *cmd) 2818 { 2819 struct mlx4_access_reg *inbuf = inbox->buf; 2820 u8 method = inbuf->method & MLX4_ACCESS_REG_METHOD_MASK; 2821 u16 reg_id = be16_to_cpu(inbuf->reg_id); 2822 2823 if (slave != mlx4_master_func_num(dev) && 2824 method == MLX4_ACCESS_REG_WRITE) 2825 return -EPERM; 2826 2827 if (reg_id == MLX4_REG_ID_PTYS) { 2828 struct mlx4_ptys_reg *ptys_reg = 2829 (struct mlx4_ptys_reg *)inbuf->reg_data; 2830 2831 ptys_reg->local_port = 2832 mlx4_slave_convert_port(dev, slave, 2833 ptys_reg->local_port); 2834 } 2835 2836 return mlx4_cmd_box(dev, inbox->dma, outbox->dma, vhcr->in_modifier, 2837 0, MLX4_CMD_ACCESS_REG, MLX4_CMD_TIME_CLASS_C, 2838 MLX4_CMD_NATIVE); 2839 } 2840 2841 static int mlx4_SET_PORT_phv_bit(struct mlx4_dev *dev, u8 port, u8 phv_bit) 2842 { 2843 #define SET_PORT_GEN_PHV_VALID 0x10 2844 #define SET_PORT_GEN_PHV_EN 0x80 2845 2846 struct mlx4_cmd_mailbox *mailbox; 2847 struct mlx4_set_port_general_context *context; 2848 u32 in_mod; 2849 int err; 2850 2851 mailbox = mlx4_alloc_cmd_mailbox(dev); 2852 if (IS_ERR(mailbox)) 2853 return PTR_ERR(mailbox); 2854 context = mailbox->buf; 2855 2856 context->v_ignore_fcs |= SET_PORT_GEN_PHV_VALID; 2857 if (phv_bit) 2858 context->phv_en |= SET_PORT_GEN_PHV_EN; 2859 2860 in_mod = MLX4_SET_PORT_GENERAL << 8 | port; 2861 err = mlx4_cmd(dev, mailbox->dma, in_mod, MLX4_SET_PORT_ETH_OPCODE, 2862 MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B, 2863 MLX4_CMD_NATIVE); 2864 2865 mlx4_free_cmd_mailbox(dev, mailbox); 2866 return err; 2867 } 2868 2869 int get_phv_bit(struct mlx4_dev *dev, u8 port, int *phv) 2870 { 2871 int err; 2872 struct mlx4_func_cap func_cap; 2873 2874 memset(&func_cap, 0, sizeof(func_cap)); 2875 err = mlx4_QUERY_FUNC_CAP(dev, port, &func_cap); 2876 if (!err) 2877 *phv = func_cap.flags & QUERY_FUNC_CAP_PHV_BIT; 2878 return err; 2879 } 2880 EXPORT_SYMBOL(get_phv_bit); 2881 2882 int set_phv_bit(struct mlx4_dev *dev, u8 port, int new_val) 2883 { 2884 int ret; 2885 2886 if (mlx4_is_slave(dev)) 2887 return -EPERM; 2888 2889 if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_PHV_EN && 2890 !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_SKIP_OUTER_VLAN)) { 2891 ret = mlx4_SET_PORT_phv_bit(dev, port, new_val); 2892 if (!ret) 2893 dev->caps.phv_bit[port] = new_val; 2894 return ret; 2895 } 2896 2897 return -EOPNOTSUPP; 2898 } 2899 EXPORT_SYMBOL(set_phv_bit); 2900 2901 void mlx4_replace_zero_macs(struct mlx4_dev *dev) 2902 { 2903 int i; 2904 u8 mac_addr[ETH_ALEN]; 2905 2906 dev->port_random_macs = 0; 2907 for (i = 1; i <= dev->caps.num_ports; ++i) 2908 if (!dev->caps.def_mac[i] && 2909 dev->caps.port_type[i] == MLX4_PORT_TYPE_ETH) { 2910 eth_random_addr(mac_addr); 2911 dev->port_random_macs |= 1 << i; 2912 dev->caps.def_mac[i] = mlx4_mac_to_u64(mac_addr); 2913 } 2914 } 2915 EXPORT_SYMBOL_GPL(mlx4_replace_zero_macs); 2916