1 /* 2 * This file is part of the Chelsio T4 Ethernet driver for Linux. 3 * 4 * Copyright (c) 2003-2014 Chelsio Communications, 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 #ifndef __CXGB4_H__ 36 #define __CXGB4_H__ 37 38 #include "t4_hw.h" 39 40 #include <linux/bitops.h> 41 #include <linux/cache.h> 42 #include <linux/interrupt.h> 43 #include <linux/list.h> 44 #include <linux/netdevice.h> 45 #include <linux/pci.h> 46 #include <linux/spinlock.h> 47 #include <linux/timer.h> 48 #include <linux/vmalloc.h> 49 #include <linux/etherdevice.h> 50 #include <asm/io.h> 51 #include "cxgb4_uld.h" 52 53 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) 54 55 enum { 56 MAX_NPORTS = 4, /* max # of ports */ 57 SERNUM_LEN = 24, /* Serial # length */ 58 EC_LEN = 16, /* E/C length */ 59 ID_LEN = 16, /* ID length */ 60 PN_LEN = 16, /* Part Number length */ 61 MACADDR_LEN = 12, /* MAC Address length */ 62 }; 63 64 enum { 65 T4_REGMAP_SIZE = (160 * 1024), 66 T5_REGMAP_SIZE = (332 * 1024), 67 }; 68 69 enum { 70 MEM_EDC0, 71 MEM_EDC1, 72 MEM_MC, 73 MEM_MC0 = MEM_MC, 74 MEM_MC1 75 }; 76 77 enum { 78 MEMWIN0_APERTURE = 2048, 79 MEMWIN0_BASE = 0x1b800, 80 MEMWIN1_APERTURE = 32768, 81 MEMWIN1_BASE = 0x28000, 82 MEMWIN1_BASE_T5 = 0x52000, 83 MEMWIN2_APERTURE = 65536, 84 MEMWIN2_BASE = 0x30000, 85 MEMWIN2_APERTURE_T5 = 131072, 86 MEMWIN2_BASE_T5 = 0x60000, 87 }; 88 89 enum dev_master { 90 MASTER_CANT, 91 MASTER_MAY, 92 MASTER_MUST 93 }; 94 95 enum dev_state { 96 DEV_STATE_UNINIT, 97 DEV_STATE_INIT, 98 DEV_STATE_ERR 99 }; 100 101 enum { 102 PAUSE_RX = 1 << 0, 103 PAUSE_TX = 1 << 1, 104 PAUSE_AUTONEG = 1 << 2 105 }; 106 107 struct port_stats { 108 u64 tx_octets; /* total # of octets in good frames */ 109 u64 tx_frames; /* all good frames */ 110 u64 tx_bcast_frames; /* all broadcast frames */ 111 u64 tx_mcast_frames; /* all multicast frames */ 112 u64 tx_ucast_frames; /* all unicast frames */ 113 u64 tx_error_frames; /* all error frames */ 114 115 u64 tx_frames_64; /* # of Tx frames in a particular range */ 116 u64 tx_frames_65_127; 117 u64 tx_frames_128_255; 118 u64 tx_frames_256_511; 119 u64 tx_frames_512_1023; 120 u64 tx_frames_1024_1518; 121 u64 tx_frames_1519_max; 122 123 u64 tx_drop; /* # of dropped Tx frames */ 124 u64 tx_pause; /* # of transmitted pause frames */ 125 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ 126 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ 127 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ 128 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ 129 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ 130 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ 131 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ 132 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ 133 134 u64 rx_octets; /* total # of octets in good frames */ 135 u64 rx_frames; /* all good frames */ 136 u64 rx_bcast_frames; /* all broadcast frames */ 137 u64 rx_mcast_frames; /* all multicast frames */ 138 u64 rx_ucast_frames; /* all unicast frames */ 139 u64 rx_too_long; /* # of frames exceeding MTU */ 140 u64 rx_jabber; /* # of jabber frames */ 141 u64 rx_fcs_err; /* # of received frames with bad FCS */ 142 u64 rx_len_err; /* # of received frames with length error */ 143 u64 rx_symbol_err; /* symbol errors */ 144 u64 rx_runt; /* # of short frames */ 145 146 u64 rx_frames_64; /* # of Rx frames in a particular range */ 147 u64 rx_frames_65_127; 148 u64 rx_frames_128_255; 149 u64 rx_frames_256_511; 150 u64 rx_frames_512_1023; 151 u64 rx_frames_1024_1518; 152 u64 rx_frames_1519_max; 153 154 u64 rx_pause; /* # of received pause frames */ 155 u64 rx_ppp0; /* # of received PPP prio 0 frames */ 156 u64 rx_ppp1; /* # of received PPP prio 1 frames */ 157 u64 rx_ppp2; /* # of received PPP prio 2 frames */ 158 u64 rx_ppp3; /* # of received PPP prio 3 frames */ 159 u64 rx_ppp4; /* # of received PPP prio 4 frames */ 160 u64 rx_ppp5; /* # of received PPP prio 5 frames */ 161 u64 rx_ppp6; /* # of received PPP prio 6 frames */ 162 u64 rx_ppp7; /* # of received PPP prio 7 frames */ 163 164 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ 165 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ 166 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ 167 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ 168 u64 rx_trunc0; /* buffer-group 0 truncated packets */ 169 u64 rx_trunc1; /* buffer-group 1 truncated packets */ 170 u64 rx_trunc2; /* buffer-group 2 truncated packets */ 171 u64 rx_trunc3; /* buffer-group 3 truncated packets */ 172 }; 173 174 struct lb_port_stats { 175 u64 octets; 176 u64 frames; 177 u64 bcast_frames; 178 u64 mcast_frames; 179 u64 ucast_frames; 180 u64 error_frames; 181 182 u64 frames_64; 183 u64 frames_65_127; 184 u64 frames_128_255; 185 u64 frames_256_511; 186 u64 frames_512_1023; 187 u64 frames_1024_1518; 188 u64 frames_1519_max; 189 190 u64 drop; 191 192 u64 ovflow0; 193 u64 ovflow1; 194 u64 ovflow2; 195 u64 ovflow3; 196 u64 trunc0; 197 u64 trunc1; 198 u64 trunc2; 199 u64 trunc3; 200 }; 201 202 struct tp_tcp_stats { 203 u32 tcp_out_rsts; 204 u64 tcp_in_segs; 205 u64 tcp_out_segs; 206 u64 tcp_retrans_segs; 207 }; 208 209 struct tp_usm_stats { 210 u32 frames; 211 u32 drops; 212 u64 octets; 213 }; 214 215 struct tp_fcoe_stats { 216 u32 frames_ddp; 217 u32 frames_drop; 218 u64 octets_ddp; 219 }; 220 221 struct tp_err_stats { 222 u32 mac_in_errs[4]; 223 u32 hdr_in_errs[4]; 224 u32 tcp_in_errs[4]; 225 u32 tnl_cong_drops[4]; 226 u32 ofld_chan_drops[4]; 227 u32 tnl_tx_drops[4]; 228 u32 ofld_vlan_drops[4]; 229 u32 tcp6_in_errs[4]; 230 u32 ofld_no_neigh; 231 u32 ofld_cong_defer; 232 }; 233 234 struct tp_cpl_stats { 235 u32 req[4]; 236 u32 rsp[4]; 237 }; 238 239 struct tp_rdma_stats { 240 u32 rqe_dfr_pkt; 241 u32 rqe_dfr_mod; 242 }; 243 244 struct sge_params { 245 u32 hps; /* host page size for our PF/VF */ 246 u32 eq_qpp; /* egress queues/page for our PF/VF */ 247 u32 iq_qpp; /* egress queues/page for our PF/VF */ 248 }; 249 250 struct tp_params { 251 unsigned int tre; /* log2 of core clocks per TP tick */ 252 unsigned int la_mask; /* what events are recorded by TP LA */ 253 unsigned short tx_modq_map; /* TX modulation scheduler queue to */ 254 /* channel map */ 255 256 uint32_t dack_re; /* DACK timer resolution */ 257 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ 258 259 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ 260 u32 ingress_config; /* cached TP_INGRESS_CONFIG */ 261 262 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a 263 * subset of the set of fields which may be present in the Compressed 264 * Filter Tuple portion of filters and TCP TCB connections. The 265 * fields which are present are controlled by the TP_VLAN_PRI_MAP. 266 * Since a variable number of fields may or may not be present, their 267 * shifted field positions within the Compressed Filter Tuple may 268 * vary, or not even be present if the field isn't selected in 269 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various 270 * places we store their offsets here, or a -1 if the field isn't 271 * present. 272 */ 273 int vlan_shift; 274 int vnic_shift; 275 int port_shift; 276 int protocol_shift; 277 }; 278 279 struct vpd_params { 280 unsigned int cclk; 281 u8 ec[EC_LEN + 1]; 282 u8 sn[SERNUM_LEN + 1]; 283 u8 id[ID_LEN + 1]; 284 u8 pn[PN_LEN + 1]; 285 u8 na[MACADDR_LEN + 1]; 286 }; 287 288 struct pci_params { 289 unsigned char speed; 290 unsigned char width; 291 }; 292 293 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) 294 #define CHELSIO_CHIP_FPGA 0x100 295 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) 296 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) 297 298 #define CHELSIO_T4 0x4 299 #define CHELSIO_T5 0x5 300 #define CHELSIO_T6 0x6 301 302 enum chip_type { 303 T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), 304 T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), 305 T4_FIRST_REV = T4_A1, 306 T4_LAST_REV = T4_A2, 307 308 T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), 309 T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), 310 T5_FIRST_REV = T5_A0, 311 T5_LAST_REV = T5_A1, 312 313 T6_A0 = CHELSIO_CHIP_CODE(CHELSIO_T6, 0), 314 T6_FIRST_REV = T6_A0, 315 T6_LAST_REV = T6_A0, 316 }; 317 318 struct devlog_params { 319 u32 memtype; /* which memory (EDC0, EDC1, MC) */ 320 u32 start; /* start of log in firmware memory */ 321 u32 size; /* size of log */ 322 }; 323 324 /* Stores chip specific parameters */ 325 struct arch_specific_params { 326 u8 nchan; 327 u16 mps_rplc_size; 328 u16 vfcount; 329 u32 sge_fl_db; 330 u16 mps_tcam_size; 331 }; 332 333 struct adapter_params { 334 struct sge_params sge; 335 struct tp_params tp; 336 struct vpd_params vpd; 337 struct pci_params pci; 338 struct devlog_params devlog; 339 enum pcie_memwin drv_memwin; 340 341 unsigned int cim_la_size; 342 343 unsigned int sf_size; /* serial flash size in bytes */ 344 unsigned int sf_nsec; /* # of flash sectors */ 345 unsigned int sf_fw_start; /* start of FW image in flash */ 346 347 unsigned int fw_vers; 348 unsigned int tp_vers; 349 u8 api_vers[7]; 350 351 unsigned short mtus[NMTUS]; 352 unsigned short a_wnd[NCCTRL_WIN]; 353 unsigned short b_wnd[NCCTRL_WIN]; 354 355 unsigned char nports; /* # of ethernet ports */ 356 unsigned char portvec; 357 enum chip_type chip; /* chip code */ 358 struct arch_specific_params arch; /* chip specific params */ 359 unsigned char offload; 360 361 unsigned char bypass; 362 363 unsigned int ofldq_wr_cred; 364 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */ 365 366 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */ 367 unsigned int max_ird_adapter; /* Max read depth per adapter */ 368 }; 369 370 /* State needed to monitor the forward progress of SGE Ingress DMA activities 371 * and possible hangs. 372 */ 373 struct sge_idma_monitor_state { 374 unsigned int idma_1s_thresh; /* 1s threshold in Core Clock ticks */ 375 unsigned int idma_stalled[2]; /* synthesized stalled timers in HZ */ 376 unsigned int idma_state[2]; /* IDMA Hang detect state */ 377 unsigned int idma_qid[2]; /* IDMA Hung Ingress Queue ID */ 378 unsigned int idma_warn[2]; /* time to warning in HZ */ 379 }; 380 381 #include "t4fw_api.h" 382 383 #define FW_VERSION(chip) ( \ 384 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \ 385 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \ 386 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \ 387 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD)) 388 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf) 389 390 struct fw_info { 391 u8 chip; 392 char *fs_name; 393 char *fw_mod_name; 394 struct fw_hdr fw_hdr; 395 }; 396 397 398 struct trace_params { 399 u32 data[TRACE_LEN / 4]; 400 u32 mask[TRACE_LEN / 4]; 401 unsigned short snap_len; 402 unsigned short min_len; 403 unsigned char skip_ofst; 404 unsigned char skip_len; 405 unsigned char invert; 406 unsigned char port; 407 }; 408 409 struct link_config { 410 unsigned short supported; /* link capabilities */ 411 unsigned short advertising; /* advertised capabilities */ 412 unsigned short requested_speed; /* speed user has requested */ 413 unsigned short speed; /* actual link speed */ 414 unsigned char requested_fc; /* flow control user has requested */ 415 unsigned char fc; /* actual link flow control */ 416 unsigned char autoneg; /* autonegotiating? */ 417 unsigned char link_ok; /* link up? */ 418 }; 419 420 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16) 421 422 enum { 423 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ 424 MAX_OFLD_QSETS = 16, /* # of offload Tx/Rx queue sets */ 425 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ 426 MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */ 427 MAX_RDMA_CIQS = 32, /* # of RDMA concentrator IQs */ 428 MAX_ISCSI_QUEUES = NCHAN, /* # of streaming iSCSI Rx queues */ 429 }; 430 431 enum { 432 MAX_TXQ_ENTRIES = 16384, 433 MAX_CTRL_TXQ_ENTRIES = 1024, 434 MAX_RSPQ_ENTRIES = 16384, 435 MAX_RX_BUFFERS = 16384, 436 MIN_TXQ_ENTRIES = 32, 437 MIN_CTRL_TXQ_ENTRIES = 32, 438 MIN_RSPQ_ENTRIES = 128, 439 MIN_FL_ENTRIES = 16 440 }; 441 442 enum { 443 INGQ_EXTRAS = 2, /* firmware event queue and */ 444 /* forwarded interrupts */ 445 MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES 446 + MAX_RDMA_CIQS + MAX_ISCSI_QUEUES + INGQ_EXTRAS, 447 }; 448 449 struct adapter; 450 struct sge_rspq; 451 452 #include "cxgb4_dcb.h" 453 454 #ifdef CONFIG_CHELSIO_T4_FCOE 455 #include "cxgb4_fcoe.h" 456 #endif /* CONFIG_CHELSIO_T4_FCOE */ 457 458 struct port_info { 459 struct adapter *adapter; 460 u16 viid; 461 s16 xact_addr_filt; /* index of exact MAC address filter */ 462 u16 rss_size; /* size of VI's RSS table slice */ 463 s8 mdio_addr; 464 enum fw_port_type port_type; 465 u8 mod_type; 466 u8 port_id; 467 u8 tx_chan; 468 u8 lport; /* associated offload logical port */ 469 u8 nqsets; /* # of qsets */ 470 u8 first_qset; /* index of first qset */ 471 u8 rss_mode; 472 struct link_config link_cfg; 473 u16 *rss; 474 struct port_stats stats_base; 475 #ifdef CONFIG_CHELSIO_T4_DCB 476 struct port_dcb_info dcb; /* Data Center Bridging support */ 477 #endif 478 #ifdef CONFIG_CHELSIO_T4_FCOE 479 struct cxgb_fcoe fcoe; 480 #endif /* CONFIG_CHELSIO_T4_FCOE */ 481 }; 482 483 struct dentry; 484 struct work_struct; 485 486 enum { /* adapter flags */ 487 FULL_INIT_DONE = (1 << 0), 488 DEV_ENABLED = (1 << 1), 489 USING_MSI = (1 << 2), 490 USING_MSIX = (1 << 3), 491 FW_OK = (1 << 4), 492 RSS_TNLALLLOOKUP = (1 << 5), 493 USING_SOFT_PARAMS = (1 << 6), 494 MASTER_PF = (1 << 7), 495 FW_OFLD_CONN = (1 << 9), 496 }; 497 498 struct rx_sw_desc; 499 500 struct sge_fl { /* SGE free-buffer queue state */ 501 unsigned int avail; /* # of available Rx buffers */ 502 unsigned int pend_cred; /* new buffers since last FL DB ring */ 503 unsigned int cidx; /* consumer index */ 504 unsigned int pidx; /* producer index */ 505 unsigned long alloc_failed; /* # of times buffer allocation failed */ 506 unsigned long large_alloc_failed; 507 unsigned long starving; 508 /* RO fields */ 509 unsigned int cntxt_id; /* SGE context id for the free list */ 510 unsigned int size; /* capacity of free list */ 511 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ 512 __be64 *desc; /* address of HW Rx descriptor ring */ 513 dma_addr_t addr; /* bus address of HW ring start */ 514 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 515 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 516 }; 517 518 /* A packet gather list */ 519 struct pkt_gl { 520 struct page_frag frags[MAX_SKB_FRAGS]; 521 void *va; /* virtual address of first byte */ 522 unsigned int nfrags; /* # of fragments */ 523 unsigned int tot_len; /* total length of fragments */ 524 }; 525 526 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, 527 const struct pkt_gl *gl); 528 529 struct sge_rspq { /* state for an SGE response queue */ 530 struct napi_struct napi; 531 const __be64 *cur_desc; /* current descriptor in queue */ 532 unsigned int cidx; /* consumer index */ 533 u8 gen; /* current generation bit */ 534 u8 intr_params; /* interrupt holdoff parameters */ 535 u8 next_intr_params; /* holdoff params for next interrupt */ 536 u8 adaptive_rx; 537 u8 pktcnt_idx; /* interrupt packet threshold */ 538 u8 uld; /* ULD handling this queue */ 539 u8 idx; /* queue index within its group */ 540 int offset; /* offset into current Rx buffer */ 541 u16 cntxt_id; /* SGE context id for the response q */ 542 u16 abs_id; /* absolute SGE id for the response q */ 543 __be64 *desc; /* address of HW response ring */ 544 dma_addr_t phys_addr; /* physical address of the ring */ 545 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 546 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 547 unsigned int iqe_len; /* entry size */ 548 unsigned int size; /* capacity of response queue */ 549 struct adapter *adap; 550 struct net_device *netdev; /* associated net device */ 551 rspq_handler_t handler; 552 #ifdef CONFIG_NET_RX_BUSY_POLL 553 #define CXGB_POLL_STATE_IDLE 0 554 #define CXGB_POLL_STATE_NAPI BIT(0) /* NAPI owns this poll */ 555 #define CXGB_POLL_STATE_POLL BIT(1) /* poll owns this poll */ 556 #define CXGB_POLL_STATE_NAPI_YIELD BIT(2) /* NAPI yielded this poll */ 557 #define CXGB_POLL_STATE_POLL_YIELD BIT(3) /* poll yielded this poll */ 558 #define CXGB_POLL_YIELD (CXGB_POLL_STATE_NAPI_YIELD | \ 559 CXGB_POLL_STATE_POLL_YIELD) 560 #define CXGB_POLL_LOCKED (CXGB_POLL_STATE_NAPI | \ 561 CXGB_POLL_STATE_POLL) 562 #define CXGB_POLL_USER_PEND (CXGB_POLL_STATE_POLL | \ 563 CXGB_POLL_STATE_POLL_YIELD) 564 unsigned int bpoll_state; 565 spinlock_t bpoll_lock; /* lock for busy poll */ 566 #endif /* CONFIG_NET_RX_BUSY_POLL */ 567 568 }; 569 570 struct sge_eth_stats { /* Ethernet queue statistics */ 571 unsigned long pkts; /* # of ethernet packets */ 572 unsigned long lro_pkts; /* # of LRO super packets */ 573 unsigned long lro_merged; /* # of wire packets merged by LRO */ 574 unsigned long rx_cso; /* # of Rx checksum offloads */ 575 unsigned long vlan_ex; /* # of Rx VLAN extractions */ 576 unsigned long rx_drops; /* # of packets dropped due to no mem */ 577 }; 578 579 struct sge_eth_rxq { /* SW Ethernet Rx queue */ 580 struct sge_rspq rspq; 581 struct sge_fl fl; 582 struct sge_eth_stats stats; 583 } ____cacheline_aligned_in_smp; 584 585 struct sge_ofld_stats { /* offload queue statistics */ 586 unsigned long pkts; /* # of packets */ 587 unsigned long imm; /* # of immediate-data packets */ 588 unsigned long an; /* # of asynchronous notifications */ 589 unsigned long nomem; /* # of responses deferred due to no mem */ 590 }; 591 592 struct sge_ofld_rxq { /* SW offload Rx queue */ 593 struct sge_rspq rspq; 594 struct sge_fl fl; 595 struct sge_ofld_stats stats; 596 } ____cacheline_aligned_in_smp; 597 598 struct tx_desc { 599 __be64 flit[8]; 600 }; 601 602 struct tx_sw_desc; 603 604 struct sge_txq { 605 unsigned int in_use; /* # of in-use Tx descriptors */ 606 unsigned int size; /* # of descriptors */ 607 unsigned int cidx; /* SW consumer index */ 608 unsigned int pidx; /* producer index */ 609 unsigned long stops; /* # of times q has been stopped */ 610 unsigned long restarts; /* # of queue restarts */ 611 unsigned int cntxt_id; /* SGE context id for the Tx q */ 612 struct tx_desc *desc; /* address of HW Tx descriptor ring */ 613 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ 614 struct sge_qstat *stat; /* queue status entry */ 615 dma_addr_t phys_addr; /* physical address of the ring */ 616 spinlock_t db_lock; 617 int db_disabled; 618 unsigned short db_pidx; 619 unsigned short db_pidx_inc; 620 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 621 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 622 }; 623 624 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ 625 struct sge_txq q; 626 struct netdev_queue *txq; /* associated netdev TX queue */ 627 #ifdef CONFIG_CHELSIO_T4_DCB 628 u8 dcb_prio; /* DCB Priority bound to queue */ 629 #endif 630 unsigned long tso; /* # of TSO requests */ 631 unsigned long tx_cso; /* # of Tx checksum offloads */ 632 unsigned long vlan_ins; /* # of Tx VLAN insertions */ 633 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 634 } ____cacheline_aligned_in_smp; 635 636 struct sge_ofld_txq { /* state for an SGE offload Tx queue */ 637 struct sge_txq q; 638 struct adapter *adap; 639 struct sk_buff_head sendq; /* list of backpressured packets */ 640 struct tasklet_struct qresume_tsk; /* restarts the queue */ 641 u8 full; /* the Tx ring is full */ 642 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 643 } ____cacheline_aligned_in_smp; 644 645 struct sge_ctrl_txq { /* state for an SGE control Tx queue */ 646 struct sge_txq q; 647 struct adapter *adap; 648 struct sk_buff_head sendq; /* list of backpressured packets */ 649 struct tasklet_struct qresume_tsk; /* restarts the queue */ 650 u8 full; /* the Tx ring is full */ 651 } ____cacheline_aligned_in_smp; 652 653 struct sge { 654 struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; 655 struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS]; 656 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; 657 658 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; 659 struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS]; 660 struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES]; 661 struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS]; 662 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; 663 664 struct sge_rspq intrq ____cacheline_aligned_in_smp; 665 spinlock_t intrq_lock; 666 667 u16 max_ethqsets; /* # of available Ethernet queue sets */ 668 u16 ethqsets; /* # of active Ethernet queue sets */ 669 u16 ethtxq_rover; /* Tx queue to clean up next */ 670 u16 ofldqsets; /* # of active offload queue sets */ 671 u16 rdmaqs; /* # of available RDMA Rx queues */ 672 u16 rdmaciqs; /* # of available RDMA concentrator IQs */ 673 u16 ofld_rxq[MAX_OFLD_QSETS]; 674 u16 rdma_rxq[MAX_RDMA_QUEUES]; 675 u16 rdma_ciq[MAX_RDMA_CIQS]; 676 u16 timer_val[SGE_NTIMERS]; 677 u8 counter_val[SGE_NCOUNTERS]; 678 u32 fl_pg_order; /* large page allocation size */ 679 u32 stat_len; /* length of status page at ring end */ 680 u32 pktshift; /* padding between CPL & packet data */ 681 u32 fl_align; /* response queue message alignment */ 682 u32 fl_starve_thres; /* Free List starvation threshold */ 683 684 struct sge_idma_monitor_state idma_monitor; 685 unsigned int egr_start; 686 unsigned int egr_sz; 687 unsigned int ingr_start; 688 unsigned int ingr_sz; 689 void **egr_map; /* qid->queue egress queue map */ 690 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */ 691 unsigned long *starving_fl; 692 unsigned long *txq_maperr; 693 unsigned long *blocked_fl; 694 struct timer_list rx_timer; /* refills starving FLs */ 695 struct timer_list tx_timer; /* checks Tx queues */ 696 }; 697 698 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) 699 #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) 700 #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++) 701 #define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++) 702 703 struct l2t_data; 704 705 #ifdef CONFIG_PCI_IOV 706 707 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial 708 * Configuration initialization for T5 only has SR-IOV functionality enabled 709 * on PF0-3 in order to simplify everything. 710 */ 711 #define NUM_OF_PF_WITH_SRIOV 4 712 713 #endif 714 715 struct doorbell_stats { 716 u32 db_drop; 717 u32 db_empty; 718 u32 db_full; 719 }; 720 721 struct adapter { 722 void __iomem *regs; 723 void __iomem *bar2; 724 u32 t4_bar0; 725 struct pci_dev *pdev; 726 struct device *pdev_dev; 727 unsigned int mbox; 728 unsigned int pf; 729 unsigned int flags; 730 enum chip_type chip; 731 732 int msg_enable; 733 734 struct adapter_params params; 735 struct cxgb4_virt_res vres; 736 unsigned int swintr; 737 738 struct { 739 unsigned short vec; 740 char desc[IFNAMSIZ + 10]; 741 } msix_info[MAX_INGQ + 1]; 742 743 struct doorbell_stats db_stats; 744 struct sge sge; 745 746 struct net_device *port[MAX_NPORTS]; 747 u8 chan_map[NCHAN]; /* channel -> port map */ 748 749 u32 filter_mode; 750 unsigned int l2t_start; 751 unsigned int l2t_end; 752 struct l2t_data *l2t; 753 unsigned int clipt_start; 754 unsigned int clipt_end; 755 struct clip_tbl *clipt; 756 void *uld_handle[CXGB4_ULD_MAX]; 757 struct list_head list_node; 758 struct list_head rcu_node; 759 760 struct tid_info tids; 761 void **tid_release_head; 762 spinlock_t tid_release_lock; 763 struct workqueue_struct *workq; 764 struct work_struct tid_release_task; 765 struct work_struct db_full_task; 766 struct work_struct db_drop_task; 767 bool tid_release_task_busy; 768 769 struct dentry *debugfs_root; 770 u32 use_bd; /* Use SGE Back Door intfc for reading SGE Contexts */ 771 772 spinlock_t stats_lock; 773 spinlock_t win0_lock ____cacheline_aligned_in_smp; 774 }; 775 776 /* Defined bit width of user definable filter tuples 777 */ 778 #define ETHTYPE_BITWIDTH 16 779 #define FRAG_BITWIDTH 1 780 #define MACIDX_BITWIDTH 9 781 #define FCOE_BITWIDTH 1 782 #define IPORT_BITWIDTH 3 783 #define MATCHTYPE_BITWIDTH 3 784 #define PROTO_BITWIDTH 8 785 #define TOS_BITWIDTH 8 786 #define PF_BITWIDTH 8 787 #define VF_BITWIDTH 8 788 #define IVLAN_BITWIDTH 16 789 #define OVLAN_BITWIDTH 16 790 791 /* Filter matching rules. These consist of a set of ingress packet field 792 * (value, mask) tuples. The associated ingress packet field matches the 793 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field 794 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule 795 * matches an ingress packet when all of the individual individual field 796 * matching rules are true. 797 * 798 * Partial field masks are always valid, however, while it may be easy to 799 * understand their meanings for some fields (e.g. IP address to match a 800 * subnet), for others making sensible partial masks is less intuitive (e.g. 801 * MPS match type) ... 802 * 803 * Most of the following data structures are modeled on T4 capabilities. 804 * Drivers for earlier chips use the subsets which make sense for those chips. 805 * We really need to come up with a hardware-independent mechanism to 806 * represent hardware filter capabilities ... 807 */ 808 struct ch_filter_tuple { 809 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP 810 * register selects which of these fields will participate in the 811 * filter match rules -- up to a maximum of 36 bits. Because 812 * TP_VLAN_PRI_MAP is a global register, all filters must use the same 813 * set of fields. 814 */ 815 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */ 816 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */ 817 uint32_t ivlan_vld:1; /* inner VLAN valid */ 818 uint32_t ovlan_vld:1; /* outer VLAN valid */ 819 uint32_t pfvf_vld:1; /* PF/VF valid */ 820 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */ 821 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */ 822 uint32_t iport:IPORT_BITWIDTH; /* ingress port */ 823 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */ 824 uint32_t proto:PROTO_BITWIDTH; /* protocol type */ 825 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */ 826 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */ 827 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */ 828 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */ 829 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */ 830 831 /* Uncompressed header matching field rules. These are always 832 * available for field rules. 833 */ 834 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */ 835 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */ 836 uint16_t lport; /* local port */ 837 uint16_t fport; /* foreign port */ 838 }; 839 840 /* A filter ioctl command. 841 */ 842 struct ch_filter_specification { 843 /* Administrative fields for filter. 844 */ 845 uint32_t hitcnts:1; /* count filter hits in TCB */ 846 uint32_t prio:1; /* filter has priority over active/server */ 847 848 /* Fundamental filter typing. This is the one element of filter 849 * matching that doesn't exist as a (value, mask) tuple. 850 */ 851 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ 852 853 /* Packet dispatch information. Ingress packets which match the 854 * filter rules will be dropped, passed to the host or switched back 855 * out as egress packets. 856 */ 857 uint32_t action:2; /* drop, pass, switch */ 858 859 uint32_t rpttid:1; /* report TID in RSS hash field */ 860 861 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ 862 uint32_t iq:10; /* ingress queue */ 863 864 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */ 865 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */ 866 /* 1 => TCB contains IQ ID */ 867 868 /* Switch proxy/rewrite fields. An ingress packet which matches a 869 * filter with "switch" set will be looped back out as an egress 870 * packet -- potentially with some Ethernet header rewriting. 871 */ 872 uint32_t eport:2; /* egress port to switch packet out */ 873 uint32_t newdmac:1; /* rewrite destination MAC address */ 874 uint32_t newsmac:1; /* rewrite source MAC address */ 875 uint32_t newvlan:2; /* rewrite VLAN Tag */ 876 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */ 877 uint8_t smac[ETH_ALEN]; /* new source MAC address */ 878 uint16_t vlan; /* VLAN Tag to insert */ 879 880 /* Filter rule value/mask pairs. 881 */ 882 struct ch_filter_tuple val; 883 struct ch_filter_tuple mask; 884 }; 885 886 enum { 887 FILTER_PASS = 0, /* default */ 888 FILTER_DROP, 889 FILTER_SWITCH 890 }; 891 892 enum { 893 VLAN_NOCHANGE = 0, /* default */ 894 VLAN_REMOVE, 895 VLAN_INSERT, 896 VLAN_REWRITE 897 }; 898 899 static inline int is_offload(const struct adapter *adap) 900 { 901 return adap->params.offload; 902 } 903 904 static inline int is_t6(enum chip_type chip) 905 { 906 return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T6; 907 } 908 909 static inline int is_t5(enum chip_type chip) 910 { 911 return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5; 912 } 913 914 static inline int is_t4(enum chip_type chip) 915 { 916 return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4; 917 } 918 919 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) 920 { 921 return readl(adap->regs + reg_addr); 922 } 923 924 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) 925 { 926 writel(val, adap->regs + reg_addr); 927 } 928 929 #ifndef readq 930 static inline u64 readq(const volatile void __iomem *addr) 931 { 932 return readl(addr) + ((u64)readl(addr + 4) << 32); 933 } 934 935 static inline void writeq(u64 val, volatile void __iomem *addr) 936 { 937 writel(val, addr); 938 writel(val >> 32, addr + 4); 939 } 940 #endif 941 942 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) 943 { 944 return readq(adap->regs + reg_addr); 945 } 946 947 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) 948 { 949 writeq(val, adap->regs + reg_addr); 950 } 951 952 /** 953 * t4_set_hw_addr - store a port's MAC address in SW 954 * @adapter: the adapter 955 * @port_idx: the port index 956 * @hw_addr: the Ethernet address 957 * 958 * Store the Ethernet address of the given port in SW. Called by the common 959 * code when it retrieves a port's Ethernet address from EEPROM. 960 */ 961 static inline void t4_set_hw_addr(struct adapter *adapter, int port_idx, 962 u8 hw_addr[]) 963 { 964 ether_addr_copy(adapter->port[port_idx]->dev_addr, hw_addr); 965 ether_addr_copy(adapter->port[port_idx]->perm_addr, hw_addr); 966 } 967 968 /** 969 * netdev2pinfo - return the port_info structure associated with a net_device 970 * @dev: the netdev 971 * 972 * Return the struct port_info associated with a net_device 973 */ 974 static inline struct port_info *netdev2pinfo(const struct net_device *dev) 975 { 976 return netdev_priv(dev); 977 } 978 979 /** 980 * adap2pinfo - return the port_info of a port 981 * @adap: the adapter 982 * @idx: the port index 983 * 984 * Return the port_info structure for the port of the given index. 985 */ 986 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) 987 { 988 return netdev_priv(adap->port[idx]); 989 } 990 991 /** 992 * netdev2adap - return the adapter structure associated with a net_device 993 * @dev: the netdev 994 * 995 * Return the struct adapter associated with a net_device 996 */ 997 static inline struct adapter *netdev2adap(const struct net_device *dev) 998 { 999 return netdev2pinfo(dev)->adapter; 1000 } 1001 1002 #ifdef CONFIG_NET_RX_BUSY_POLL 1003 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) 1004 { 1005 spin_lock_init(&q->bpoll_lock); 1006 q->bpoll_state = CXGB_POLL_STATE_IDLE; 1007 } 1008 1009 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) 1010 { 1011 bool rc = true; 1012 1013 spin_lock(&q->bpoll_lock); 1014 if (q->bpoll_state & CXGB_POLL_LOCKED) { 1015 q->bpoll_state |= CXGB_POLL_STATE_NAPI_YIELD; 1016 rc = false; 1017 } else { 1018 q->bpoll_state = CXGB_POLL_STATE_NAPI; 1019 } 1020 spin_unlock(&q->bpoll_lock); 1021 return rc; 1022 } 1023 1024 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) 1025 { 1026 bool rc = false; 1027 1028 spin_lock(&q->bpoll_lock); 1029 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) 1030 rc = true; 1031 q->bpoll_state = CXGB_POLL_STATE_IDLE; 1032 spin_unlock(&q->bpoll_lock); 1033 return rc; 1034 } 1035 1036 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) 1037 { 1038 bool rc = true; 1039 1040 spin_lock_bh(&q->bpoll_lock); 1041 if (q->bpoll_state & CXGB_POLL_LOCKED) { 1042 q->bpoll_state |= CXGB_POLL_STATE_POLL_YIELD; 1043 rc = false; 1044 } else { 1045 q->bpoll_state |= CXGB_POLL_STATE_POLL; 1046 } 1047 spin_unlock_bh(&q->bpoll_lock); 1048 return rc; 1049 } 1050 1051 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) 1052 { 1053 bool rc = false; 1054 1055 spin_lock_bh(&q->bpoll_lock); 1056 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) 1057 rc = true; 1058 q->bpoll_state = CXGB_POLL_STATE_IDLE; 1059 spin_unlock_bh(&q->bpoll_lock); 1060 return rc; 1061 } 1062 1063 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) 1064 { 1065 return q->bpoll_state & CXGB_POLL_USER_PEND; 1066 } 1067 #else 1068 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) 1069 { 1070 } 1071 1072 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) 1073 { 1074 return true; 1075 } 1076 1077 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) 1078 { 1079 return false; 1080 } 1081 1082 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) 1083 { 1084 return false; 1085 } 1086 1087 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) 1088 { 1089 return false; 1090 } 1091 1092 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) 1093 { 1094 return false; 1095 } 1096 #endif /* CONFIG_NET_RX_BUSY_POLL */ 1097 1098 /* Return a version number to identify the type of adapter. The scheme is: 1099 * - bits 0..9: chip version 1100 * - bits 10..15: chip revision 1101 * - bits 16..23: register dump version 1102 */ 1103 static inline unsigned int mk_adap_vers(struct adapter *ap) 1104 { 1105 return CHELSIO_CHIP_VERSION(ap->params.chip) | 1106 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16); 1107 } 1108 1109 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */ 1110 static inline unsigned int qtimer_val(const struct adapter *adap, 1111 const struct sge_rspq *q) 1112 { 1113 unsigned int idx = q->intr_params >> 1; 1114 1115 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0; 1116 } 1117 1118 /* driver version & name used for ethtool_drvinfo */ 1119 extern char cxgb4_driver_name[]; 1120 extern const char cxgb4_driver_version[]; 1121 1122 void t4_os_portmod_changed(const struct adapter *adap, int port_id); 1123 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); 1124 1125 void *t4_alloc_mem(size_t size); 1126 1127 void t4_free_sge_resources(struct adapter *adap); 1128 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q); 1129 irq_handler_t t4_intr_handler(struct adapter *adap); 1130 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev); 1131 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, 1132 const struct pkt_gl *gl); 1133 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); 1134 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); 1135 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, 1136 struct net_device *dev, int intr_idx, 1137 struct sge_fl *fl, rspq_handler_t hnd, int cong); 1138 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, 1139 struct net_device *dev, struct netdev_queue *netdevq, 1140 unsigned int iqid); 1141 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, 1142 struct net_device *dev, unsigned int iqid, 1143 unsigned int cmplqid); 1144 int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq, 1145 struct net_device *dev, unsigned int iqid); 1146 irqreturn_t t4_sge_intr_msix(int irq, void *cookie); 1147 int t4_sge_init(struct adapter *adap); 1148 void t4_sge_start(struct adapter *adap); 1149 void t4_sge_stop(struct adapter *adap); 1150 int cxgb_busy_poll(struct napi_struct *napi); 1151 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us, 1152 unsigned int cnt); 1153 void cxgb4_set_ethtool_ops(struct net_device *netdev); 1154 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues); 1155 extern int dbfifo_int_thresh; 1156 1157 #define for_each_port(adapter, iter) \ 1158 for (iter = 0; iter < (adapter)->params.nports; ++iter) 1159 1160 static inline int is_bypass(struct adapter *adap) 1161 { 1162 return adap->params.bypass; 1163 } 1164 1165 static inline int is_bypass_device(int device) 1166 { 1167 /* this should be set based upon device capabilities */ 1168 switch (device) { 1169 case 0x440b: 1170 case 0x440c: 1171 return 1; 1172 default: 1173 return 0; 1174 } 1175 } 1176 1177 static inline int is_10gbt_device(int device) 1178 { 1179 /* this should be set based upon device capabilities */ 1180 switch (device) { 1181 case 0x4409: 1182 case 0x4486: 1183 return 1; 1184 1185 default: 1186 return 0; 1187 } 1188 } 1189 1190 static inline unsigned int core_ticks_per_usec(const struct adapter *adap) 1191 { 1192 return adap->params.vpd.cclk / 1000; 1193 } 1194 1195 static inline unsigned int us_to_core_ticks(const struct adapter *adap, 1196 unsigned int us) 1197 { 1198 return (us * adap->params.vpd.cclk) / 1000; 1199 } 1200 1201 static inline unsigned int core_ticks_to_us(const struct adapter *adapter, 1202 unsigned int ticks) 1203 { 1204 /* add Core Clock / 2 to round ticks to nearest uS */ 1205 return ((ticks * 1000 + adapter->params.vpd.cclk/2) / 1206 adapter->params.vpd.cclk); 1207 } 1208 1209 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, 1210 u32 val); 1211 1212 int t4_wr_mbox_meat_timeout(struct adapter *adap, int mbox, const void *cmd, 1213 int size, void *rpl, bool sleep_ok, int timeout); 1214 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, 1215 void *rpl, bool sleep_ok); 1216 1217 static inline int t4_wr_mbox_timeout(struct adapter *adap, int mbox, 1218 const void *cmd, int size, void *rpl, 1219 int timeout) 1220 { 1221 return t4_wr_mbox_meat_timeout(adap, mbox, cmd, size, rpl, true, 1222 timeout); 1223 } 1224 1225 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, 1226 int size, void *rpl) 1227 { 1228 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); 1229 } 1230 1231 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, 1232 int size, void *rpl) 1233 { 1234 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); 1235 } 1236 1237 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, 1238 unsigned int data_reg, const u32 *vals, 1239 unsigned int nregs, unsigned int start_idx); 1240 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, 1241 unsigned int data_reg, u32 *vals, unsigned int nregs, 1242 unsigned int start_idx); 1243 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val); 1244 1245 struct fw_filter_wr; 1246 1247 void t4_intr_enable(struct adapter *adapter); 1248 void t4_intr_disable(struct adapter *adapter); 1249 int t4_slow_intr_handler(struct adapter *adapter); 1250 1251 int t4_wait_dev_ready(void __iomem *regs); 1252 int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port, 1253 struct link_config *lc); 1254 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); 1255 1256 u32 t4_read_pcie_cfg4(struct adapter *adap, int reg); 1257 u32 t4_get_util_window(struct adapter *adap); 1258 void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window); 1259 1260 #define T4_MEMORY_WRITE 0 1261 #define T4_MEMORY_READ 1 1262 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len, 1263 void *buf, int dir); 1264 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr, 1265 u32 len, __be32 *buf) 1266 { 1267 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0); 1268 } 1269 1270 unsigned int t4_get_regs_len(struct adapter *adapter); 1271 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size); 1272 1273 int t4_seeprom_wp(struct adapter *adapter, bool enable); 1274 int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p); 1275 int t4_get_vpd_params(struct adapter *adapter, struct vpd_params *p); 1276 int t4_read_flash(struct adapter *adapter, unsigned int addr, 1277 unsigned int nwords, u32 *data, int byte_oriented); 1278 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); 1279 int t4_load_phy_fw(struct adapter *adap, 1280 int win, spinlock_t *lock, 1281 int (*phy_fw_version)(const u8 *, size_t), 1282 const u8 *phy_fw_data, size_t phy_fw_size); 1283 int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver); 1284 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op); 1285 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, 1286 const u8 *fw_data, unsigned int size, int force); 1287 unsigned int t4_flash_cfg_addr(struct adapter *adapter); 1288 int t4_get_fw_version(struct adapter *adapter, u32 *vers); 1289 int t4_get_tp_version(struct adapter *adapter, u32 *vers); 1290 int t4_get_exprom_version(struct adapter *adapter, u32 *vers); 1291 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, 1292 const u8 *fw_data, unsigned int fw_size, 1293 struct fw_hdr *card_fw, enum dev_state state, int *reset); 1294 int t4_prep_adapter(struct adapter *adapter); 1295 1296 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; 1297 int t4_bar2_sge_qregs(struct adapter *adapter, 1298 unsigned int qid, 1299 enum t4_bar2_qtype qtype, 1300 int user, 1301 u64 *pbar2_qoffset, 1302 unsigned int *pbar2_qid); 1303 1304 unsigned int qtimer_val(const struct adapter *adap, 1305 const struct sge_rspq *q); 1306 1307 int t4_init_devlog_params(struct adapter *adapter); 1308 int t4_init_sge_params(struct adapter *adapter); 1309 int t4_init_tp_params(struct adapter *adap); 1310 int t4_filter_field_shift(const struct adapter *adap, int filter_sel); 1311 int t4_init_rss_mode(struct adapter *adap, int mbox); 1312 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); 1313 void t4_fatal_err(struct adapter *adapter); 1314 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, 1315 int start, int n, const u16 *rspq, unsigned int nrspq); 1316 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, 1317 unsigned int flags); 1318 int t4_config_vi_rss(struct adapter *adapter, int mbox, unsigned int viid, 1319 unsigned int flags, unsigned int defq); 1320 int t4_read_rss(struct adapter *adapter, u16 *entries); 1321 void t4_read_rss_key(struct adapter *adapter, u32 *key); 1322 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx); 1323 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, 1324 u32 *valp); 1325 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index, 1326 u32 *vfl, u32 *vfh); 1327 u32 t4_read_rss_pf_map(struct adapter *adapter); 1328 u32 t4_read_rss_pf_mask(struct adapter *adapter); 1329 1330 unsigned int t4_get_mps_bg_map(struct adapter *adapter, int idx); 1331 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1332 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1333 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, 1334 size_t n); 1335 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, 1336 size_t n); 1337 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n, 1338 unsigned int *valp); 1339 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n, 1340 const unsigned int *valp); 1341 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr); 1342 void t4_cim_read_pif_la(struct adapter *adap, u32 *pif_req, u32 *pif_rsp, 1343 unsigned int *pif_req_wrptr, 1344 unsigned int *pif_rsp_wrptr); 1345 void t4_cim_read_ma_la(struct adapter *adap, u32 *ma_req, u32 *ma_rsp); 1346 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres); 1347 const char *t4_get_port_type_description(enum fw_port_type port_type); 1348 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); 1349 void t4_get_port_stats_offset(struct adapter *adap, int idx, 1350 struct port_stats *stats, 1351 struct port_stats *offset); 1352 void t4_get_lb_stats(struct adapter *adap, int idx, struct lb_port_stats *p); 1353 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); 1354 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]); 1355 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, 1356 unsigned int mask, unsigned int val); 1357 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr); 1358 void t4_tp_get_err_stats(struct adapter *adap, struct tp_err_stats *st); 1359 void t4_tp_get_cpl_stats(struct adapter *adap, struct tp_cpl_stats *st); 1360 void t4_tp_get_rdma_stats(struct adapter *adap, struct tp_rdma_stats *st); 1361 void t4_get_usm_stats(struct adapter *adap, struct tp_usm_stats *st); 1362 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, 1363 struct tp_tcp_stats *v6); 1364 void t4_get_fcoe_stats(struct adapter *adap, unsigned int idx, 1365 struct tp_fcoe_stats *st); 1366 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, 1367 const unsigned short *alpha, const unsigned short *beta); 1368 1369 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf); 1370 1371 void t4_get_chan_txrate(struct adapter *adap, u64 *nic_rate, u64 *ofld_rate); 1372 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid); 1373 1374 void t4_wol_magic_enable(struct adapter *adap, unsigned int port, 1375 const u8 *addr); 1376 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, 1377 u64 mask0, u64 mask1, unsigned int crc, bool enable); 1378 1379 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, 1380 enum dev_master master, enum dev_state *state); 1381 int t4_fw_bye(struct adapter *adap, unsigned int mbox); 1382 int t4_early_init(struct adapter *adap, unsigned int mbox); 1383 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); 1384 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, 1385 unsigned int cache_line_size); 1386 int t4_fw_initialize(struct adapter *adap, unsigned int mbox); 1387 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1388 unsigned int vf, unsigned int nparams, const u32 *params, 1389 u32 *val); 1390 int t4_query_params_rw(struct adapter *adap, unsigned int mbox, unsigned int pf, 1391 unsigned int vf, unsigned int nparams, const u32 *params, 1392 u32 *val, int rw); 1393 int t4_set_params_timeout(struct adapter *adap, unsigned int mbox, 1394 unsigned int pf, unsigned int vf, 1395 unsigned int nparams, const u32 *params, 1396 const u32 *val, int timeout); 1397 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1398 unsigned int vf, unsigned int nparams, const u32 *params, 1399 const u32 *val); 1400 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, 1401 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, 1402 unsigned int rxqi, unsigned int rxq, unsigned int tc, 1403 unsigned int vi, unsigned int cmask, unsigned int pmask, 1404 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); 1405 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, 1406 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, 1407 unsigned int *rss_size); 1408 int t4_free_vi(struct adapter *adap, unsigned int mbox, 1409 unsigned int pf, unsigned int vf, 1410 unsigned int viid); 1411 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, 1412 int mtu, int promisc, int all_multi, int bcast, int vlanex, 1413 bool sleep_ok); 1414 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, 1415 unsigned int viid, bool free, unsigned int naddr, 1416 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); 1417 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, 1418 int idx, const u8 *addr, bool persist, bool add_smt); 1419 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, 1420 bool ucast, u64 vec, bool sleep_ok); 1421 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, 1422 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en); 1423 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, 1424 bool rx_en, bool tx_en); 1425 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, 1426 unsigned int nblinks); 1427 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1428 unsigned int mmd, unsigned int reg, u16 *valp); 1429 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1430 unsigned int mmd, unsigned int reg, u16 val); 1431 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1432 unsigned int vf, unsigned int iqtype, unsigned int iqid, 1433 unsigned int fl0id, unsigned int fl1id); 1434 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1435 unsigned int vf, unsigned int eqid); 1436 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1437 unsigned int vf, unsigned int eqid); 1438 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1439 unsigned int vf, unsigned int eqid); 1440 int t4_sge_ctxt_flush(struct adapter *adap, unsigned int mbox); 1441 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); 1442 void t4_db_full(struct adapter *adapter); 1443 void t4_db_dropped(struct adapter *adapter); 1444 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, 1445 u32 addr, u32 val); 1446 void t4_sge_decode_idma_state(struct adapter *adapter, int state); 1447 void t4_free_mem(void *addr); 1448 void t4_idma_monitor_init(struct adapter *adapter, 1449 struct sge_idma_monitor_state *idma); 1450 void t4_idma_monitor(struct adapter *adapter, 1451 struct sge_idma_monitor_state *idma, 1452 int hz, int ticks); 1453 #endif /* __CXGB4_H__ */ 1454