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 <asm/io.h> 50 #include "cxgb4_uld.h" 51 52 #define CH_WARN(adap, fmt, ...) dev_warn(adap->pdev_dev, fmt, ## __VA_ARGS__) 53 54 enum { 55 MAX_NPORTS = 4, /* max # of ports */ 56 SERNUM_LEN = 24, /* Serial # length */ 57 EC_LEN = 16, /* E/C length */ 58 ID_LEN = 16, /* ID length */ 59 PN_LEN = 16, /* Part Number length */ 60 }; 61 62 enum { 63 T4_REGMAP_SIZE = (160 * 1024), 64 T5_REGMAP_SIZE = (332 * 1024), 65 }; 66 67 enum { 68 MEM_EDC0, 69 MEM_EDC1, 70 MEM_MC, 71 MEM_MC0 = MEM_MC, 72 MEM_MC1 73 }; 74 75 enum { 76 MEMWIN0_APERTURE = 2048, 77 MEMWIN0_BASE = 0x1b800, 78 MEMWIN1_APERTURE = 32768, 79 MEMWIN1_BASE = 0x28000, 80 MEMWIN1_BASE_T5 = 0x52000, 81 MEMWIN2_APERTURE = 65536, 82 MEMWIN2_BASE = 0x30000, 83 MEMWIN2_APERTURE_T5 = 131072, 84 MEMWIN2_BASE_T5 = 0x60000, 85 }; 86 87 enum dev_master { 88 MASTER_CANT, 89 MASTER_MAY, 90 MASTER_MUST 91 }; 92 93 enum dev_state { 94 DEV_STATE_UNINIT, 95 DEV_STATE_INIT, 96 DEV_STATE_ERR 97 }; 98 99 enum { 100 PAUSE_RX = 1 << 0, 101 PAUSE_TX = 1 << 1, 102 PAUSE_AUTONEG = 1 << 2 103 }; 104 105 struct port_stats { 106 u64 tx_octets; /* total # of octets in good frames */ 107 u64 tx_frames; /* all good frames */ 108 u64 tx_bcast_frames; /* all broadcast frames */ 109 u64 tx_mcast_frames; /* all multicast frames */ 110 u64 tx_ucast_frames; /* all unicast frames */ 111 u64 tx_error_frames; /* all error frames */ 112 113 u64 tx_frames_64; /* # of Tx frames in a particular range */ 114 u64 tx_frames_65_127; 115 u64 tx_frames_128_255; 116 u64 tx_frames_256_511; 117 u64 tx_frames_512_1023; 118 u64 tx_frames_1024_1518; 119 u64 tx_frames_1519_max; 120 121 u64 tx_drop; /* # of dropped Tx frames */ 122 u64 tx_pause; /* # of transmitted pause frames */ 123 u64 tx_ppp0; /* # of transmitted PPP prio 0 frames */ 124 u64 tx_ppp1; /* # of transmitted PPP prio 1 frames */ 125 u64 tx_ppp2; /* # of transmitted PPP prio 2 frames */ 126 u64 tx_ppp3; /* # of transmitted PPP prio 3 frames */ 127 u64 tx_ppp4; /* # of transmitted PPP prio 4 frames */ 128 u64 tx_ppp5; /* # of transmitted PPP prio 5 frames */ 129 u64 tx_ppp6; /* # of transmitted PPP prio 6 frames */ 130 u64 tx_ppp7; /* # of transmitted PPP prio 7 frames */ 131 132 u64 rx_octets; /* total # of octets in good frames */ 133 u64 rx_frames; /* all good frames */ 134 u64 rx_bcast_frames; /* all broadcast frames */ 135 u64 rx_mcast_frames; /* all multicast frames */ 136 u64 rx_ucast_frames; /* all unicast frames */ 137 u64 rx_too_long; /* # of frames exceeding MTU */ 138 u64 rx_jabber; /* # of jabber frames */ 139 u64 rx_fcs_err; /* # of received frames with bad FCS */ 140 u64 rx_len_err; /* # of received frames with length error */ 141 u64 rx_symbol_err; /* symbol errors */ 142 u64 rx_runt; /* # of short frames */ 143 144 u64 rx_frames_64; /* # of Rx frames in a particular range */ 145 u64 rx_frames_65_127; 146 u64 rx_frames_128_255; 147 u64 rx_frames_256_511; 148 u64 rx_frames_512_1023; 149 u64 rx_frames_1024_1518; 150 u64 rx_frames_1519_max; 151 152 u64 rx_pause; /* # of received pause frames */ 153 u64 rx_ppp0; /* # of received PPP prio 0 frames */ 154 u64 rx_ppp1; /* # of received PPP prio 1 frames */ 155 u64 rx_ppp2; /* # of received PPP prio 2 frames */ 156 u64 rx_ppp3; /* # of received PPP prio 3 frames */ 157 u64 rx_ppp4; /* # of received PPP prio 4 frames */ 158 u64 rx_ppp5; /* # of received PPP prio 5 frames */ 159 u64 rx_ppp6; /* # of received PPP prio 6 frames */ 160 u64 rx_ppp7; /* # of received PPP prio 7 frames */ 161 162 u64 rx_ovflow0; /* drops due to buffer-group 0 overflows */ 163 u64 rx_ovflow1; /* drops due to buffer-group 1 overflows */ 164 u64 rx_ovflow2; /* drops due to buffer-group 2 overflows */ 165 u64 rx_ovflow3; /* drops due to buffer-group 3 overflows */ 166 u64 rx_trunc0; /* buffer-group 0 truncated packets */ 167 u64 rx_trunc1; /* buffer-group 1 truncated packets */ 168 u64 rx_trunc2; /* buffer-group 2 truncated packets */ 169 u64 rx_trunc3; /* buffer-group 3 truncated packets */ 170 }; 171 172 struct lb_port_stats { 173 u64 octets; 174 u64 frames; 175 u64 bcast_frames; 176 u64 mcast_frames; 177 u64 ucast_frames; 178 u64 error_frames; 179 180 u64 frames_64; 181 u64 frames_65_127; 182 u64 frames_128_255; 183 u64 frames_256_511; 184 u64 frames_512_1023; 185 u64 frames_1024_1518; 186 u64 frames_1519_max; 187 188 u64 drop; 189 190 u64 ovflow0; 191 u64 ovflow1; 192 u64 ovflow2; 193 u64 ovflow3; 194 u64 trunc0; 195 u64 trunc1; 196 u64 trunc2; 197 u64 trunc3; 198 }; 199 200 struct tp_tcp_stats { 201 u32 tcpOutRsts; 202 u64 tcpInSegs; 203 u64 tcpOutSegs; 204 u64 tcpRetransSegs; 205 }; 206 207 struct tp_err_stats { 208 u32 macInErrs[4]; 209 u32 hdrInErrs[4]; 210 u32 tcpInErrs[4]; 211 u32 tnlCongDrops[4]; 212 u32 ofldChanDrops[4]; 213 u32 tnlTxDrops[4]; 214 u32 ofldVlanDrops[4]; 215 u32 tcp6InErrs[4]; 216 u32 ofldNoNeigh; 217 u32 ofldCongDefer; 218 }; 219 220 struct sge_params { 221 u32 hps; /* host page size for our PF/VF */ 222 u32 eq_qpp; /* egress queues/page for our PF/VF */ 223 u32 iq_qpp; /* egress queues/page for our PF/VF */ 224 }; 225 226 struct tp_params { 227 unsigned int ntxchan; /* # of Tx channels */ 228 unsigned int tre; /* log2 of core clocks per TP tick */ 229 unsigned int la_mask; /* what events are recorded by TP LA */ 230 unsigned short tx_modq_map; /* TX modulation scheduler queue to */ 231 /* channel map */ 232 233 uint32_t dack_re; /* DACK timer resolution */ 234 unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */ 235 236 u32 vlan_pri_map; /* cached TP_VLAN_PRI_MAP */ 237 u32 ingress_config; /* cached TP_INGRESS_CONFIG */ 238 239 /* TP_VLAN_PRI_MAP Compressed Filter Tuple field offsets. This is a 240 * subset of the set of fields which may be present in the Compressed 241 * Filter Tuple portion of filters and TCP TCB connections. The 242 * fields which are present are controlled by the TP_VLAN_PRI_MAP. 243 * Since a variable number of fields may or may not be present, their 244 * shifted field positions within the Compressed Filter Tuple may 245 * vary, or not even be present if the field isn't selected in 246 * TP_VLAN_PRI_MAP. Since some of these fields are needed in various 247 * places we store their offsets here, or a -1 if the field isn't 248 * present. 249 */ 250 int vlan_shift; 251 int vnic_shift; 252 int port_shift; 253 int protocol_shift; 254 }; 255 256 struct vpd_params { 257 unsigned int cclk; 258 u8 ec[EC_LEN + 1]; 259 u8 sn[SERNUM_LEN + 1]; 260 u8 id[ID_LEN + 1]; 261 u8 pn[PN_LEN + 1]; 262 }; 263 264 struct pci_params { 265 unsigned char speed; 266 unsigned char width; 267 }; 268 269 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision)) 270 #define CHELSIO_CHIP_FPGA 0x100 271 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf) 272 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf) 273 274 #define CHELSIO_T4 0x4 275 #define CHELSIO_T5 0x5 276 277 enum chip_type { 278 T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1), 279 T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2), 280 T4_FIRST_REV = T4_A1, 281 T4_LAST_REV = T4_A2, 282 283 T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0), 284 T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1), 285 T5_FIRST_REV = T5_A0, 286 T5_LAST_REV = T5_A1, 287 }; 288 289 struct devlog_params { 290 u32 memtype; /* which memory (EDC0, EDC1, MC) */ 291 u32 start; /* start of log in firmware memory */ 292 u32 size; /* size of log */ 293 }; 294 295 struct adapter_params { 296 struct sge_params sge; 297 struct tp_params tp; 298 struct vpd_params vpd; 299 struct pci_params pci; 300 struct devlog_params devlog; 301 enum pcie_memwin drv_memwin; 302 303 unsigned int cim_la_size; 304 305 unsigned int sf_size; /* serial flash size in bytes */ 306 unsigned int sf_nsec; /* # of flash sectors */ 307 unsigned int sf_fw_start; /* start of FW image in flash */ 308 309 unsigned int fw_vers; 310 unsigned int tp_vers; 311 u8 api_vers[7]; 312 313 unsigned short mtus[NMTUS]; 314 unsigned short a_wnd[NCCTRL_WIN]; 315 unsigned short b_wnd[NCCTRL_WIN]; 316 317 unsigned char nports; /* # of ethernet ports */ 318 unsigned char portvec; 319 enum chip_type chip; /* chip code */ 320 unsigned char offload; 321 322 unsigned char bypass; 323 324 unsigned int ofldq_wr_cred; 325 bool ulptx_memwrite_dsgl; /* use of T5 DSGL allowed */ 326 327 unsigned int max_ordird_qp; /* Max read depth per RDMA QP */ 328 unsigned int max_ird_adapter; /* Max read depth per adapter */ 329 }; 330 331 #include "t4fw_api.h" 332 333 #define FW_VERSION(chip) ( \ 334 FW_HDR_FW_VER_MAJOR_G(chip##FW_VERSION_MAJOR) | \ 335 FW_HDR_FW_VER_MINOR_G(chip##FW_VERSION_MINOR) | \ 336 FW_HDR_FW_VER_MICRO_G(chip##FW_VERSION_MICRO) | \ 337 FW_HDR_FW_VER_BUILD_G(chip##FW_VERSION_BUILD)) 338 #define FW_INTFVER(chip, intf) (FW_HDR_INTFVER_##intf) 339 340 struct fw_info { 341 u8 chip; 342 char *fs_name; 343 char *fw_mod_name; 344 struct fw_hdr fw_hdr; 345 }; 346 347 348 struct trace_params { 349 u32 data[TRACE_LEN / 4]; 350 u32 mask[TRACE_LEN / 4]; 351 unsigned short snap_len; 352 unsigned short min_len; 353 unsigned char skip_ofst; 354 unsigned char skip_len; 355 unsigned char invert; 356 unsigned char port; 357 }; 358 359 struct link_config { 360 unsigned short supported; /* link capabilities */ 361 unsigned short advertising; /* advertised capabilities */ 362 unsigned short requested_speed; /* speed user has requested */ 363 unsigned short speed; /* actual link speed */ 364 unsigned char requested_fc; /* flow control user has requested */ 365 unsigned char fc; /* actual link flow control */ 366 unsigned char autoneg; /* autonegotiating? */ 367 unsigned char link_ok; /* link up? */ 368 }; 369 370 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16) 371 372 enum { 373 MAX_ETH_QSETS = 32, /* # of Ethernet Tx/Rx queue sets */ 374 MAX_OFLD_QSETS = 16, /* # of offload Tx/Rx queue sets */ 375 MAX_CTRL_QUEUES = NCHAN, /* # of control Tx queues */ 376 MAX_RDMA_QUEUES = NCHAN, /* # of streaming RDMA Rx queues */ 377 MAX_RDMA_CIQS = 32, /* # of RDMA concentrator IQs */ 378 MAX_ISCSI_QUEUES = NCHAN, /* # of streaming iSCSI Rx queues */ 379 }; 380 381 enum { 382 MAX_TXQ_ENTRIES = 16384, 383 MAX_CTRL_TXQ_ENTRIES = 1024, 384 MAX_RSPQ_ENTRIES = 16384, 385 MAX_RX_BUFFERS = 16384, 386 MIN_TXQ_ENTRIES = 32, 387 MIN_CTRL_TXQ_ENTRIES = 32, 388 MIN_RSPQ_ENTRIES = 128, 389 MIN_FL_ENTRIES = 16 390 }; 391 392 enum { 393 INGQ_EXTRAS = 2, /* firmware event queue and */ 394 /* forwarded interrupts */ 395 MAX_INGQ = MAX_ETH_QSETS + MAX_OFLD_QSETS + MAX_RDMA_QUEUES 396 + MAX_RDMA_CIQS + MAX_ISCSI_QUEUES + INGQ_EXTRAS, 397 }; 398 399 struct adapter; 400 struct sge_rspq; 401 402 #include "cxgb4_dcb.h" 403 404 #ifdef CONFIG_CHELSIO_T4_FCOE 405 #include "cxgb4_fcoe.h" 406 #endif /* CONFIG_CHELSIO_T4_FCOE */ 407 408 struct port_info { 409 struct adapter *adapter; 410 u16 viid; 411 s16 xact_addr_filt; /* index of exact MAC address filter */ 412 u16 rss_size; /* size of VI's RSS table slice */ 413 s8 mdio_addr; 414 enum fw_port_type port_type; 415 u8 mod_type; 416 u8 port_id; 417 u8 tx_chan; 418 u8 lport; /* associated offload logical port */ 419 u8 nqsets; /* # of qsets */ 420 u8 first_qset; /* index of first qset */ 421 u8 rss_mode; 422 struct link_config link_cfg; 423 u16 *rss; 424 #ifdef CONFIG_CHELSIO_T4_DCB 425 struct port_dcb_info dcb; /* Data Center Bridging support */ 426 #endif 427 #ifdef CONFIG_CHELSIO_T4_FCOE 428 struct cxgb_fcoe fcoe; 429 #endif /* CONFIG_CHELSIO_T4_FCOE */ 430 }; 431 432 struct dentry; 433 struct work_struct; 434 435 enum { /* adapter flags */ 436 FULL_INIT_DONE = (1 << 0), 437 DEV_ENABLED = (1 << 1), 438 USING_MSI = (1 << 2), 439 USING_MSIX = (1 << 3), 440 FW_OK = (1 << 4), 441 RSS_TNLALLLOOKUP = (1 << 5), 442 USING_SOFT_PARAMS = (1 << 6), 443 MASTER_PF = (1 << 7), 444 FW_OFLD_CONN = (1 << 9), 445 }; 446 447 struct rx_sw_desc; 448 449 struct sge_fl { /* SGE free-buffer queue state */ 450 unsigned int avail; /* # of available Rx buffers */ 451 unsigned int pend_cred; /* new buffers since last FL DB ring */ 452 unsigned int cidx; /* consumer index */ 453 unsigned int pidx; /* producer index */ 454 unsigned long alloc_failed; /* # of times buffer allocation failed */ 455 unsigned long large_alloc_failed; 456 unsigned long starving; 457 /* RO fields */ 458 unsigned int cntxt_id; /* SGE context id for the free list */ 459 unsigned int size; /* capacity of free list */ 460 struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */ 461 __be64 *desc; /* address of HW Rx descriptor ring */ 462 dma_addr_t addr; /* bus address of HW ring start */ 463 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 464 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 465 }; 466 467 /* A packet gather list */ 468 struct pkt_gl { 469 struct page_frag frags[MAX_SKB_FRAGS]; 470 void *va; /* virtual address of first byte */ 471 unsigned int nfrags; /* # of fragments */ 472 unsigned int tot_len; /* total length of fragments */ 473 }; 474 475 typedef int (*rspq_handler_t)(struct sge_rspq *q, const __be64 *rsp, 476 const struct pkt_gl *gl); 477 478 struct sge_rspq { /* state for an SGE response queue */ 479 struct napi_struct napi; 480 const __be64 *cur_desc; /* current descriptor in queue */ 481 unsigned int cidx; /* consumer index */ 482 u8 gen; /* current generation bit */ 483 u8 intr_params; /* interrupt holdoff parameters */ 484 u8 next_intr_params; /* holdoff params for next interrupt */ 485 u8 adaptive_rx; 486 u8 pktcnt_idx; /* interrupt packet threshold */ 487 u8 uld; /* ULD handling this queue */ 488 u8 idx; /* queue index within its group */ 489 int offset; /* offset into current Rx buffer */ 490 u16 cntxt_id; /* SGE context id for the response q */ 491 u16 abs_id; /* absolute SGE id for the response q */ 492 __be64 *desc; /* address of HW response ring */ 493 dma_addr_t phys_addr; /* physical address of the ring */ 494 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 495 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 496 unsigned int iqe_len; /* entry size */ 497 unsigned int size; /* capacity of response queue */ 498 struct adapter *adap; 499 struct net_device *netdev; /* associated net device */ 500 rspq_handler_t handler; 501 #ifdef CONFIG_NET_RX_BUSY_POLL 502 #define CXGB_POLL_STATE_IDLE 0 503 #define CXGB_POLL_STATE_NAPI BIT(0) /* NAPI owns this poll */ 504 #define CXGB_POLL_STATE_POLL BIT(1) /* poll owns this poll */ 505 #define CXGB_POLL_STATE_NAPI_YIELD BIT(2) /* NAPI yielded this poll */ 506 #define CXGB_POLL_STATE_POLL_YIELD BIT(3) /* poll yielded this poll */ 507 #define CXGB_POLL_YIELD (CXGB_POLL_STATE_NAPI_YIELD | \ 508 CXGB_POLL_STATE_POLL_YIELD) 509 #define CXGB_POLL_LOCKED (CXGB_POLL_STATE_NAPI | \ 510 CXGB_POLL_STATE_POLL) 511 #define CXGB_POLL_USER_PEND (CXGB_POLL_STATE_POLL | \ 512 CXGB_POLL_STATE_POLL_YIELD) 513 unsigned int bpoll_state; 514 spinlock_t bpoll_lock; /* lock for busy poll */ 515 #endif /* CONFIG_NET_RX_BUSY_POLL */ 516 517 }; 518 519 struct sge_eth_stats { /* Ethernet queue statistics */ 520 unsigned long pkts; /* # of ethernet packets */ 521 unsigned long lro_pkts; /* # of LRO super packets */ 522 unsigned long lro_merged; /* # of wire packets merged by LRO */ 523 unsigned long rx_cso; /* # of Rx checksum offloads */ 524 unsigned long vlan_ex; /* # of Rx VLAN extractions */ 525 unsigned long rx_drops; /* # of packets dropped due to no mem */ 526 }; 527 528 struct sge_eth_rxq { /* SW Ethernet Rx queue */ 529 struct sge_rspq rspq; 530 struct sge_fl fl; 531 struct sge_eth_stats stats; 532 } ____cacheline_aligned_in_smp; 533 534 struct sge_ofld_stats { /* offload queue statistics */ 535 unsigned long pkts; /* # of packets */ 536 unsigned long imm; /* # of immediate-data packets */ 537 unsigned long an; /* # of asynchronous notifications */ 538 unsigned long nomem; /* # of responses deferred due to no mem */ 539 }; 540 541 struct sge_ofld_rxq { /* SW offload Rx queue */ 542 struct sge_rspq rspq; 543 struct sge_fl fl; 544 struct sge_ofld_stats stats; 545 } ____cacheline_aligned_in_smp; 546 547 struct tx_desc { 548 __be64 flit[8]; 549 }; 550 551 struct tx_sw_desc; 552 553 struct sge_txq { 554 unsigned int in_use; /* # of in-use Tx descriptors */ 555 unsigned int size; /* # of descriptors */ 556 unsigned int cidx; /* SW consumer index */ 557 unsigned int pidx; /* producer index */ 558 unsigned long stops; /* # of times q has been stopped */ 559 unsigned long restarts; /* # of queue restarts */ 560 unsigned int cntxt_id; /* SGE context id for the Tx q */ 561 struct tx_desc *desc; /* address of HW Tx descriptor ring */ 562 struct tx_sw_desc *sdesc; /* address of SW Tx descriptor ring */ 563 struct sge_qstat *stat; /* queue status entry */ 564 dma_addr_t phys_addr; /* physical address of the ring */ 565 spinlock_t db_lock; 566 int db_disabled; 567 unsigned short db_pidx; 568 unsigned short db_pidx_inc; 569 void __iomem *bar2_addr; /* address of BAR2 Queue registers */ 570 unsigned int bar2_qid; /* Queue ID for BAR2 Queue registers */ 571 }; 572 573 struct sge_eth_txq { /* state for an SGE Ethernet Tx queue */ 574 struct sge_txq q; 575 struct netdev_queue *txq; /* associated netdev TX queue */ 576 #ifdef CONFIG_CHELSIO_T4_DCB 577 u8 dcb_prio; /* DCB Priority bound to queue */ 578 #endif 579 unsigned long tso; /* # of TSO requests */ 580 unsigned long tx_cso; /* # of Tx checksum offloads */ 581 unsigned long vlan_ins; /* # of Tx VLAN insertions */ 582 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 583 } ____cacheline_aligned_in_smp; 584 585 struct sge_ofld_txq { /* state for an SGE offload Tx queue */ 586 struct sge_txq q; 587 struct adapter *adap; 588 struct sk_buff_head sendq; /* list of backpressured packets */ 589 struct tasklet_struct qresume_tsk; /* restarts the queue */ 590 u8 full; /* the Tx ring is full */ 591 unsigned long mapping_err; /* # of I/O MMU packet mapping errors */ 592 } ____cacheline_aligned_in_smp; 593 594 struct sge_ctrl_txq { /* state for an SGE control Tx queue */ 595 struct sge_txq q; 596 struct adapter *adap; 597 struct sk_buff_head sendq; /* list of backpressured packets */ 598 struct tasklet_struct qresume_tsk; /* restarts the queue */ 599 u8 full; /* the Tx ring is full */ 600 } ____cacheline_aligned_in_smp; 601 602 struct sge { 603 struct sge_eth_txq ethtxq[MAX_ETH_QSETS]; 604 struct sge_ofld_txq ofldtxq[MAX_OFLD_QSETS]; 605 struct sge_ctrl_txq ctrlq[MAX_CTRL_QUEUES]; 606 607 struct sge_eth_rxq ethrxq[MAX_ETH_QSETS]; 608 struct sge_ofld_rxq ofldrxq[MAX_OFLD_QSETS]; 609 struct sge_ofld_rxq rdmarxq[MAX_RDMA_QUEUES]; 610 struct sge_ofld_rxq rdmaciq[MAX_RDMA_CIQS]; 611 struct sge_rspq fw_evtq ____cacheline_aligned_in_smp; 612 613 struct sge_rspq intrq ____cacheline_aligned_in_smp; 614 spinlock_t intrq_lock; 615 616 u16 max_ethqsets; /* # of available Ethernet queue sets */ 617 u16 ethqsets; /* # of active Ethernet queue sets */ 618 u16 ethtxq_rover; /* Tx queue to clean up next */ 619 u16 ofldqsets; /* # of active offload queue sets */ 620 u16 rdmaqs; /* # of available RDMA Rx queues */ 621 u16 rdmaciqs; /* # of available RDMA concentrator IQs */ 622 u16 ofld_rxq[MAX_OFLD_QSETS]; 623 u16 rdma_rxq[MAX_RDMA_QUEUES]; 624 u16 rdma_ciq[MAX_RDMA_CIQS]; 625 u16 timer_val[SGE_NTIMERS]; 626 u8 counter_val[SGE_NCOUNTERS]; 627 u32 fl_pg_order; /* large page allocation size */ 628 u32 stat_len; /* length of status page at ring end */ 629 u32 pktshift; /* padding between CPL & packet data */ 630 u32 fl_align; /* response queue message alignment */ 631 u32 fl_starve_thres; /* Free List starvation threshold */ 632 633 /* State variables for detecting an SGE Ingress DMA hang */ 634 unsigned int idma_1s_thresh;/* SGE same State Counter 1s threshold */ 635 unsigned int idma_stalled[2];/* SGE synthesized stalled timers in HZ */ 636 unsigned int idma_state[2]; /* SGE IDMA Hang detect state */ 637 unsigned int idma_qid[2]; /* SGE IDMA Hung Ingress Queue ID */ 638 639 unsigned int egr_start; 640 unsigned int egr_sz; 641 unsigned int ingr_start; 642 unsigned int ingr_sz; 643 void **egr_map; /* qid->queue egress queue map */ 644 struct sge_rspq **ingr_map; /* qid->queue ingress queue map */ 645 unsigned long *starving_fl; 646 unsigned long *txq_maperr; 647 struct timer_list rx_timer; /* refills starving FLs */ 648 struct timer_list tx_timer; /* checks Tx queues */ 649 }; 650 651 #define for_each_ethrxq(sge, i) for (i = 0; i < (sge)->ethqsets; i++) 652 #define for_each_ofldrxq(sge, i) for (i = 0; i < (sge)->ofldqsets; i++) 653 #define for_each_rdmarxq(sge, i) for (i = 0; i < (sge)->rdmaqs; i++) 654 #define for_each_rdmaciq(sge, i) for (i = 0; i < (sge)->rdmaciqs; i++) 655 656 struct l2t_data; 657 658 #ifdef CONFIG_PCI_IOV 659 660 /* T4 supports SRIOV on PF0-3 and T5 on PF0-7. However, the Serial 661 * Configuration initialization for T5 only has SR-IOV functionality enabled 662 * on PF0-3 in order to simplify everything. 663 */ 664 #define NUM_OF_PF_WITH_SRIOV 4 665 666 #endif 667 668 struct adapter { 669 void __iomem *regs; 670 void __iomem *bar2; 671 u32 t4_bar0; 672 struct pci_dev *pdev; 673 struct device *pdev_dev; 674 unsigned int mbox; 675 unsigned int fn; 676 unsigned int flags; 677 enum chip_type chip; 678 679 int msg_enable; 680 681 struct adapter_params params; 682 struct cxgb4_virt_res vres; 683 unsigned int swintr; 684 685 unsigned int wol; 686 687 struct { 688 unsigned short vec; 689 char desc[IFNAMSIZ + 10]; 690 } msix_info[MAX_INGQ + 1]; 691 692 struct sge sge; 693 694 struct net_device *port[MAX_NPORTS]; 695 u8 chan_map[NCHAN]; /* channel -> port map */ 696 697 u32 filter_mode; 698 unsigned int l2t_start; 699 unsigned int l2t_end; 700 struct l2t_data *l2t; 701 unsigned int clipt_start; 702 unsigned int clipt_end; 703 struct clip_tbl *clipt; 704 void *uld_handle[CXGB4_ULD_MAX]; 705 struct list_head list_node; 706 struct list_head rcu_node; 707 708 struct tid_info tids; 709 void **tid_release_head; 710 spinlock_t tid_release_lock; 711 struct workqueue_struct *workq; 712 struct work_struct tid_release_task; 713 struct work_struct db_full_task; 714 struct work_struct db_drop_task; 715 bool tid_release_task_busy; 716 717 struct dentry *debugfs_root; 718 719 spinlock_t stats_lock; 720 spinlock_t win0_lock ____cacheline_aligned_in_smp; 721 }; 722 723 /* Defined bit width of user definable filter tuples 724 */ 725 #define ETHTYPE_BITWIDTH 16 726 #define FRAG_BITWIDTH 1 727 #define MACIDX_BITWIDTH 9 728 #define FCOE_BITWIDTH 1 729 #define IPORT_BITWIDTH 3 730 #define MATCHTYPE_BITWIDTH 3 731 #define PROTO_BITWIDTH 8 732 #define TOS_BITWIDTH 8 733 #define PF_BITWIDTH 8 734 #define VF_BITWIDTH 8 735 #define IVLAN_BITWIDTH 16 736 #define OVLAN_BITWIDTH 16 737 738 /* Filter matching rules. These consist of a set of ingress packet field 739 * (value, mask) tuples. The associated ingress packet field matches the 740 * tuple when ((field & mask) == value). (Thus a wildcard "don't care" field 741 * rule can be constructed by specifying a tuple of (0, 0).) A filter rule 742 * matches an ingress packet when all of the individual individual field 743 * matching rules are true. 744 * 745 * Partial field masks are always valid, however, while it may be easy to 746 * understand their meanings for some fields (e.g. IP address to match a 747 * subnet), for others making sensible partial masks is less intuitive (e.g. 748 * MPS match type) ... 749 * 750 * Most of the following data structures are modeled on T4 capabilities. 751 * Drivers for earlier chips use the subsets which make sense for those chips. 752 * We really need to come up with a hardware-independent mechanism to 753 * represent hardware filter capabilities ... 754 */ 755 struct ch_filter_tuple { 756 /* Compressed header matching field rules. The TP_VLAN_PRI_MAP 757 * register selects which of these fields will participate in the 758 * filter match rules -- up to a maximum of 36 bits. Because 759 * TP_VLAN_PRI_MAP is a global register, all filters must use the same 760 * set of fields. 761 */ 762 uint32_t ethtype:ETHTYPE_BITWIDTH; /* Ethernet type */ 763 uint32_t frag:FRAG_BITWIDTH; /* IP fragmentation header */ 764 uint32_t ivlan_vld:1; /* inner VLAN valid */ 765 uint32_t ovlan_vld:1; /* outer VLAN valid */ 766 uint32_t pfvf_vld:1; /* PF/VF valid */ 767 uint32_t macidx:MACIDX_BITWIDTH; /* exact match MAC index */ 768 uint32_t fcoe:FCOE_BITWIDTH; /* FCoE packet */ 769 uint32_t iport:IPORT_BITWIDTH; /* ingress port */ 770 uint32_t matchtype:MATCHTYPE_BITWIDTH; /* MPS match type */ 771 uint32_t proto:PROTO_BITWIDTH; /* protocol type */ 772 uint32_t tos:TOS_BITWIDTH; /* TOS/Traffic Type */ 773 uint32_t pf:PF_BITWIDTH; /* PCI-E PF ID */ 774 uint32_t vf:VF_BITWIDTH; /* PCI-E VF ID */ 775 uint32_t ivlan:IVLAN_BITWIDTH; /* inner VLAN */ 776 uint32_t ovlan:OVLAN_BITWIDTH; /* outer VLAN */ 777 778 /* Uncompressed header matching field rules. These are always 779 * available for field rules. 780 */ 781 uint8_t lip[16]; /* local IP address (IPv4 in [3:0]) */ 782 uint8_t fip[16]; /* foreign IP address (IPv4 in [3:0]) */ 783 uint16_t lport; /* local port */ 784 uint16_t fport; /* foreign port */ 785 }; 786 787 /* A filter ioctl command. 788 */ 789 struct ch_filter_specification { 790 /* Administrative fields for filter. 791 */ 792 uint32_t hitcnts:1; /* count filter hits in TCB */ 793 uint32_t prio:1; /* filter has priority over active/server */ 794 795 /* Fundamental filter typing. This is the one element of filter 796 * matching that doesn't exist as a (value, mask) tuple. 797 */ 798 uint32_t type:1; /* 0 => IPv4, 1 => IPv6 */ 799 800 /* Packet dispatch information. Ingress packets which match the 801 * filter rules will be dropped, passed to the host or switched back 802 * out as egress packets. 803 */ 804 uint32_t action:2; /* drop, pass, switch */ 805 806 uint32_t rpttid:1; /* report TID in RSS hash field */ 807 808 uint32_t dirsteer:1; /* 0 => RSS, 1 => steer to iq */ 809 uint32_t iq:10; /* ingress queue */ 810 811 uint32_t maskhash:1; /* dirsteer=0: store RSS hash in TCB */ 812 uint32_t dirsteerhash:1;/* dirsteer=1: 0 => TCB contains RSS hash */ 813 /* 1 => TCB contains IQ ID */ 814 815 /* Switch proxy/rewrite fields. An ingress packet which matches a 816 * filter with "switch" set will be looped back out as an egress 817 * packet -- potentially with some Ethernet header rewriting. 818 */ 819 uint32_t eport:2; /* egress port to switch packet out */ 820 uint32_t newdmac:1; /* rewrite destination MAC address */ 821 uint32_t newsmac:1; /* rewrite source MAC address */ 822 uint32_t newvlan:2; /* rewrite VLAN Tag */ 823 uint8_t dmac[ETH_ALEN]; /* new destination MAC address */ 824 uint8_t smac[ETH_ALEN]; /* new source MAC address */ 825 uint16_t vlan; /* VLAN Tag to insert */ 826 827 /* Filter rule value/mask pairs. 828 */ 829 struct ch_filter_tuple val; 830 struct ch_filter_tuple mask; 831 }; 832 833 enum { 834 FILTER_PASS = 0, /* default */ 835 FILTER_DROP, 836 FILTER_SWITCH 837 }; 838 839 enum { 840 VLAN_NOCHANGE = 0, /* default */ 841 VLAN_REMOVE, 842 VLAN_INSERT, 843 VLAN_REWRITE 844 }; 845 846 static inline int is_t5(enum chip_type chip) 847 { 848 return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T5; 849 } 850 851 static inline int is_t4(enum chip_type chip) 852 { 853 return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4; 854 } 855 856 static inline u32 t4_read_reg(struct adapter *adap, u32 reg_addr) 857 { 858 return readl(adap->regs + reg_addr); 859 } 860 861 static inline void t4_write_reg(struct adapter *adap, u32 reg_addr, u32 val) 862 { 863 writel(val, adap->regs + reg_addr); 864 } 865 866 #ifndef readq 867 static inline u64 readq(const volatile void __iomem *addr) 868 { 869 return readl(addr) + ((u64)readl(addr + 4) << 32); 870 } 871 872 static inline void writeq(u64 val, volatile void __iomem *addr) 873 { 874 writel(val, addr); 875 writel(val >> 32, addr + 4); 876 } 877 #endif 878 879 static inline u64 t4_read_reg64(struct adapter *adap, u32 reg_addr) 880 { 881 return readq(adap->regs + reg_addr); 882 } 883 884 static inline void t4_write_reg64(struct adapter *adap, u32 reg_addr, u64 val) 885 { 886 writeq(val, adap->regs + reg_addr); 887 } 888 889 /** 890 * netdev2pinfo - return the port_info structure associated with a net_device 891 * @dev: the netdev 892 * 893 * Return the struct port_info associated with a net_device 894 */ 895 static inline struct port_info *netdev2pinfo(const struct net_device *dev) 896 { 897 return netdev_priv(dev); 898 } 899 900 /** 901 * adap2pinfo - return the port_info of a port 902 * @adap: the adapter 903 * @idx: the port index 904 * 905 * Return the port_info structure for the port of the given index. 906 */ 907 static inline struct port_info *adap2pinfo(struct adapter *adap, int idx) 908 { 909 return netdev_priv(adap->port[idx]); 910 } 911 912 /** 913 * netdev2adap - return the adapter structure associated with a net_device 914 * @dev: the netdev 915 * 916 * Return the struct adapter associated with a net_device 917 */ 918 static inline struct adapter *netdev2adap(const struct net_device *dev) 919 { 920 return netdev2pinfo(dev)->adapter; 921 } 922 923 #ifdef CONFIG_NET_RX_BUSY_POLL 924 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) 925 { 926 spin_lock_init(&q->bpoll_lock); 927 q->bpoll_state = CXGB_POLL_STATE_IDLE; 928 } 929 930 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) 931 { 932 bool rc = true; 933 934 spin_lock(&q->bpoll_lock); 935 if (q->bpoll_state & CXGB_POLL_LOCKED) { 936 q->bpoll_state |= CXGB_POLL_STATE_NAPI_YIELD; 937 rc = false; 938 } else { 939 q->bpoll_state = CXGB_POLL_STATE_NAPI; 940 } 941 spin_unlock(&q->bpoll_lock); 942 return rc; 943 } 944 945 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) 946 { 947 bool rc = false; 948 949 spin_lock(&q->bpoll_lock); 950 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) 951 rc = true; 952 q->bpoll_state = CXGB_POLL_STATE_IDLE; 953 spin_unlock(&q->bpoll_lock); 954 return rc; 955 } 956 957 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) 958 { 959 bool rc = true; 960 961 spin_lock_bh(&q->bpoll_lock); 962 if (q->bpoll_state & CXGB_POLL_LOCKED) { 963 q->bpoll_state |= CXGB_POLL_STATE_POLL_YIELD; 964 rc = false; 965 } else { 966 q->bpoll_state |= CXGB_POLL_STATE_POLL; 967 } 968 spin_unlock_bh(&q->bpoll_lock); 969 return rc; 970 } 971 972 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) 973 { 974 bool rc = false; 975 976 spin_lock_bh(&q->bpoll_lock); 977 if (q->bpoll_state & CXGB_POLL_STATE_POLL_YIELD) 978 rc = true; 979 q->bpoll_state = CXGB_POLL_STATE_IDLE; 980 spin_unlock_bh(&q->bpoll_lock); 981 return rc; 982 } 983 984 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) 985 { 986 return q->bpoll_state & CXGB_POLL_USER_PEND; 987 } 988 #else 989 static inline void cxgb_busy_poll_init_lock(struct sge_rspq *q) 990 { 991 } 992 993 static inline bool cxgb_poll_lock_napi(struct sge_rspq *q) 994 { 995 return true; 996 } 997 998 static inline bool cxgb_poll_unlock_napi(struct sge_rspq *q) 999 { 1000 return false; 1001 } 1002 1003 static inline bool cxgb_poll_lock_poll(struct sge_rspq *q) 1004 { 1005 return false; 1006 } 1007 1008 static inline bool cxgb_poll_unlock_poll(struct sge_rspq *q) 1009 { 1010 return false; 1011 } 1012 1013 static inline bool cxgb_poll_busy_polling(struct sge_rspq *q) 1014 { 1015 return false; 1016 } 1017 #endif /* CONFIG_NET_RX_BUSY_POLL */ 1018 1019 /* Return a version number to identify the type of adapter. The scheme is: 1020 * - bits 0..9: chip version 1021 * - bits 10..15: chip revision 1022 * - bits 16..23: register dump version 1023 */ 1024 static inline unsigned int mk_adap_vers(struct adapter *ap) 1025 { 1026 return CHELSIO_CHIP_VERSION(ap->params.chip) | 1027 (CHELSIO_CHIP_RELEASE(ap->params.chip) << 10) | (1 << 16); 1028 } 1029 1030 /* Return a queue's interrupt hold-off time in us. 0 means no timer. */ 1031 static inline unsigned int qtimer_val(const struct adapter *adap, 1032 const struct sge_rspq *q) 1033 { 1034 unsigned int idx = q->intr_params >> 1; 1035 1036 return idx < SGE_NTIMERS ? adap->sge.timer_val[idx] : 0; 1037 } 1038 1039 /* driver version & name used for ethtool_drvinfo */ 1040 extern char cxgb4_driver_name[]; 1041 extern const char cxgb4_driver_version[]; 1042 1043 void t4_os_portmod_changed(const struct adapter *adap, int port_id); 1044 void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat); 1045 1046 void *t4_alloc_mem(size_t size); 1047 1048 void t4_free_sge_resources(struct adapter *adap); 1049 void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q); 1050 irq_handler_t t4_intr_handler(struct adapter *adap); 1051 netdev_tx_t t4_eth_xmit(struct sk_buff *skb, struct net_device *dev); 1052 int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, 1053 const struct pkt_gl *gl); 1054 int t4_mgmt_tx(struct adapter *adap, struct sk_buff *skb); 1055 int t4_ofld_send(struct adapter *adap, struct sk_buff *skb); 1056 int t4_sge_alloc_rxq(struct adapter *adap, struct sge_rspq *iq, bool fwevtq, 1057 struct net_device *dev, int intr_idx, 1058 struct sge_fl *fl, rspq_handler_t hnd); 1059 int t4_sge_alloc_eth_txq(struct adapter *adap, struct sge_eth_txq *txq, 1060 struct net_device *dev, struct netdev_queue *netdevq, 1061 unsigned int iqid); 1062 int t4_sge_alloc_ctrl_txq(struct adapter *adap, struct sge_ctrl_txq *txq, 1063 struct net_device *dev, unsigned int iqid, 1064 unsigned int cmplqid); 1065 int t4_sge_alloc_ofld_txq(struct adapter *adap, struct sge_ofld_txq *txq, 1066 struct net_device *dev, unsigned int iqid); 1067 irqreturn_t t4_sge_intr_msix(int irq, void *cookie); 1068 int t4_sge_init(struct adapter *adap); 1069 void t4_sge_start(struct adapter *adap); 1070 void t4_sge_stop(struct adapter *adap); 1071 int cxgb_busy_poll(struct napi_struct *napi); 1072 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us, 1073 unsigned int cnt); 1074 void cxgb4_set_ethtool_ops(struct net_device *netdev); 1075 int cxgb4_write_rss(const struct port_info *pi, const u16 *queues); 1076 extern int dbfifo_int_thresh; 1077 1078 #define for_each_port(adapter, iter) \ 1079 for (iter = 0; iter < (adapter)->params.nports; ++iter) 1080 1081 static inline int is_bypass(struct adapter *adap) 1082 { 1083 return adap->params.bypass; 1084 } 1085 1086 static inline int is_bypass_device(int device) 1087 { 1088 /* this should be set based upon device capabilities */ 1089 switch (device) { 1090 case 0x440b: 1091 case 0x440c: 1092 return 1; 1093 default: 1094 return 0; 1095 } 1096 } 1097 1098 static inline unsigned int core_ticks_per_usec(const struct adapter *adap) 1099 { 1100 return adap->params.vpd.cclk / 1000; 1101 } 1102 1103 static inline unsigned int us_to_core_ticks(const struct adapter *adap, 1104 unsigned int us) 1105 { 1106 return (us * adap->params.vpd.cclk) / 1000; 1107 } 1108 1109 static inline unsigned int core_ticks_to_us(const struct adapter *adapter, 1110 unsigned int ticks) 1111 { 1112 /* add Core Clock / 2 to round ticks to nearest uS */ 1113 return ((ticks * 1000 + adapter->params.vpd.cclk/2) / 1114 adapter->params.vpd.cclk); 1115 } 1116 1117 void t4_set_reg_field(struct adapter *adap, unsigned int addr, u32 mask, 1118 u32 val); 1119 1120 int t4_wr_mbox_meat(struct adapter *adap, int mbox, const void *cmd, int size, 1121 void *rpl, bool sleep_ok); 1122 1123 static inline int t4_wr_mbox(struct adapter *adap, int mbox, const void *cmd, 1124 int size, void *rpl) 1125 { 1126 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, true); 1127 } 1128 1129 static inline int t4_wr_mbox_ns(struct adapter *adap, int mbox, const void *cmd, 1130 int size, void *rpl) 1131 { 1132 return t4_wr_mbox_meat(adap, mbox, cmd, size, rpl, false); 1133 } 1134 1135 void t4_write_indirect(struct adapter *adap, unsigned int addr_reg, 1136 unsigned int data_reg, const u32 *vals, 1137 unsigned int nregs, unsigned int start_idx); 1138 void t4_read_indirect(struct adapter *adap, unsigned int addr_reg, 1139 unsigned int data_reg, u32 *vals, unsigned int nregs, 1140 unsigned int start_idx); 1141 void t4_hw_pci_read_cfg4(struct adapter *adapter, int reg, u32 *val); 1142 1143 struct fw_filter_wr; 1144 1145 void t4_intr_enable(struct adapter *adapter); 1146 void t4_intr_disable(struct adapter *adapter); 1147 int t4_slow_intr_handler(struct adapter *adapter); 1148 1149 int t4_wait_dev_ready(void __iomem *regs); 1150 int t4_link_start(struct adapter *adap, unsigned int mbox, unsigned int port, 1151 struct link_config *lc); 1152 int t4_restart_aneg(struct adapter *adap, unsigned int mbox, unsigned int port); 1153 1154 #define T4_MEMORY_WRITE 0 1155 #define T4_MEMORY_READ 1 1156 int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len, 1157 void *buf, int dir); 1158 static inline int t4_memory_write(struct adapter *adap, int mtype, u32 addr, 1159 u32 len, __be32 *buf) 1160 { 1161 return t4_memory_rw(adap, 0, mtype, addr, len, buf, 0); 1162 } 1163 1164 unsigned int t4_get_regs_len(struct adapter *adapter); 1165 void t4_get_regs(struct adapter *adap, void *buf, size_t buf_size); 1166 1167 int t4_seeprom_wp(struct adapter *adapter, bool enable); 1168 int get_vpd_params(struct adapter *adapter, struct vpd_params *p); 1169 int t4_read_flash(struct adapter *adapter, unsigned int addr, 1170 unsigned int nwords, u32 *data, int byte_oriented); 1171 int t4_load_fw(struct adapter *adapter, const u8 *fw_data, unsigned int size); 1172 int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op); 1173 int t4_fw_upgrade(struct adapter *adap, unsigned int mbox, 1174 const u8 *fw_data, unsigned int size, int force); 1175 unsigned int t4_flash_cfg_addr(struct adapter *adapter); 1176 int t4_get_fw_version(struct adapter *adapter, u32 *vers); 1177 int t4_get_tp_version(struct adapter *adapter, u32 *vers); 1178 int t4_get_exprom_version(struct adapter *adapter, u32 *vers); 1179 int t4_prep_fw(struct adapter *adap, struct fw_info *fw_info, 1180 const u8 *fw_data, unsigned int fw_size, 1181 struct fw_hdr *card_fw, enum dev_state state, int *reset); 1182 int t4_prep_adapter(struct adapter *adapter); 1183 1184 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS }; 1185 int cxgb4_t4_bar2_sge_qregs(struct adapter *adapter, 1186 unsigned int qid, 1187 enum t4_bar2_qtype qtype, 1188 u64 *pbar2_qoffset, 1189 unsigned int *pbar2_qid); 1190 1191 unsigned int qtimer_val(const struct adapter *adap, 1192 const struct sge_rspq *q); 1193 1194 int t4_init_devlog_params(struct adapter *adapter); 1195 int t4_init_sge_params(struct adapter *adapter); 1196 int t4_init_tp_params(struct adapter *adap); 1197 int t4_filter_field_shift(const struct adapter *adap, int filter_sel); 1198 int t4_port_init(struct adapter *adap, int mbox, int pf, int vf); 1199 void t4_fatal_err(struct adapter *adapter); 1200 int t4_config_rss_range(struct adapter *adapter, int mbox, unsigned int viid, 1201 int start, int n, const u16 *rspq, unsigned int nrspq); 1202 int t4_config_glbl_rss(struct adapter *adapter, int mbox, unsigned int mode, 1203 unsigned int flags); 1204 int t4_read_rss(struct adapter *adapter, u16 *entries); 1205 void t4_read_rss_key(struct adapter *adapter, u32 *key); 1206 void t4_write_rss_key(struct adapter *adap, const u32 *key, int idx); 1207 void t4_read_rss_pf_config(struct adapter *adapter, unsigned int index, 1208 u32 *valp); 1209 void t4_read_rss_vf_config(struct adapter *adapter, unsigned int index, 1210 u32 *vfl, u32 *vfh); 1211 u32 t4_read_rss_pf_map(struct adapter *adapter); 1212 u32 t4_read_rss_pf_mask(struct adapter *adapter); 1213 1214 int t4_mc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, 1215 u64 *parity); 1216 int t4_edc_read(struct adapter *adap, int idx, u32 addr, __be32 *data, 1217 u64 *parity); 1218 void t4_pmtx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1219 void t4_pmrx_get_stats(struct adapter *adap, u32 cnt[], u64 cycles[]); 1220 int t4_read_cim_ibq(struct adapter *adap, unsigned int qid, u32 *data, 1221 size_t n); 1222 int t4_read_cim_obq(struct adapter *adap, unsigned int qid, u32 *data, 1223 size_t n); 1224 int t4_cim_read(struct adapter *adap, unsigned int addr, unsigned int n, 1225 unsigned int *valp); 1226 int t4_cim_write(struct adapter *adap, unsigned int addr, unsigned int n, 1227 const unsigned int *valp); 1228 int t4_cim_read_la(struct adapter *adap, u32 *la_buf, unsigned int *wrptr); 1229 void t4_read_cimq_cfg(struct adapter *adap, u16 *base, u16 *size, u16 *thres); 1230 const char *t4_get_port_type_description(enum fw_port_type port_type); 1231 void t4_get_port_stats(struct adapter *adap, int idx, struct port_stats *p); 1232 void t4_read_mtu_tbl(struct adapter *adap, u16 *mtus, u8 *mtu_log); 1233 void t4_read_cong_tbl(struct adapter *adap, u16 incr[NMTUS][NCCTRL_WIN]); 1234 void t4_tp_wr_bits_indirect(struct adapter *adap, unsigned int addr, 1235 unsigned int mask, unsigned int val); 1236 void t4_tp_read_la(struct adapter *adap, u64 *la_buf, unsigned int *wrptr); 1237 void t4_tp_get_tcp_stats(struct adapter *adap, struct tp_tcp_stats *v4, 1238 struct tp_tcp_stats *v6); 1239 void t4_load_mtus(struct adapter *adap, const unsigned short *mtus, 1240 const unsigned short *alpha, const unsigned short *beta); 1241 1242 void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf); 1243 1244 void t4_mk_filtdelwr(unsigned int ftid, struct fw_filter_wr *wr, int qid); 1245 1246 void t4_wol_magic_enable(struct adapter *adap, unsigned int port, 1247 const u8 *addr); 1248 int t4_wol_pat_enable(struct adapter *adap, unsigned int port, unsigned int map, 1249 u64 mask0, u64 mask1, unsigned int crc, bool enable); 1250 1251 int t4_fw_hello(struct adapter *adap, unsigned int mbox, unsigned int evt_mbox, 1252 enum dev_master master, enum dev_state *state); 1253 int t4_fw_bye(struct adapter *adap, unsigned int mbox); 1254 int t4_early_init(struct adapter *adap, unsigned int mbox); 1255 int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset); 1256 int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, 1257 unsigned int cache_line_size); 1258 int t4_fw_initialize(struct adapter *adap, unsigned int mbox); 1259 int t4_query_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1260 unsigned int vf, unsigned int nparams, const u32 *params, 1261 u32 *val); 1262 int t4_set_params(struct adapter *adap, unsigned int mbox, unsigned int pf, 1263 unsigned int vf, unsigned int nparams, const u32 *params, 1264 const u32 *val); 1265 int t4_set_params_nosleep(struct adapter *adap, unsigned int mbox, 1266 unsigned int pf, unsigned int vf, 1267 unsigned int nparams, const u32 *params, 1268 const u32 *val); 1269 int t4_cfg_pfvf(struct adapter *adap, unsigned int mbox, unsigned int pf, 1270 unsigned int vf, unsigned int txq, unsigned int txq_eth_ctrl, 1271 unsigned int rxqi, unsigned int rxq, unsigned int tc, 1272 unsigned int vi, unsigned int cmask, unsigned int pmask, 1273 unsigned int nexact, unsigned int rcaps, unsigned int wxcaps); 1274 int t4_alloc_vi(struct adapter *adap, unsigned int mbox, unsigned int port, 1275 unsigned int pf, unsigned int vf, unsigned int nmac, u8 *mac, 1276 unsigned int *rss_size); 1277 int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, 1278 int mtu, int promisc, int all_multi, int bcast, int vlanex, 1279 bool sleep_ok); 1280 int t4_alloc_mac_filt(struct adapter *adap, unsigned int mbox, 1281 unsigned int viid, bool free, unsigned int naddr, 1282 const u8 **addr, u16 *idx, u64 *hash, bool sleep_ok); 1283 int t4_change_mac(struct adapter *adap, unsigned int mbox, unsigned int viid, 1284 int idx, const u8 *addr, bool persist, bool add_smt); 1285 int t4_set_addr_hash(struct adapter *adap, unsigned int mbox, unsigned int viid, 1286 bool ucast, u64 vec, bool sleep_ok); 1287 int t4_enable_vi_params(struct adapter *adap, unsigned int mbox, 1288 unsigned int viid, bool rx_en, bool tx_en, bool dcb_en); 1289 int t4_enable_vi(struct adapter *adap, unsigned int mbox, unsigned int viid, 1290 bool rx_en, bool tx_en); 1291 int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, 1292 unsigned int nblinks); 1293 int t4_mdio_rd(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1294 unsigned int mmd, unsigned int reg, u16 *valp); 1295 int t4_mdio_wr(struct adapter *adap, unsigned int mbox, unsigned int phy_addr, 1296 unsigned int mmd, unsigned int reg, u16 val); 1297 int t4_iq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1298 unsigned int vf, unsigned int iqtype, unsigned int iqid, 1299 unsigned int fl0id, unsigned int fl1id); 1300 int t4_eth_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1301 unsigned int vf, unsigned int eqid); 1302 int t4_ctrl_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1303 unsigned int vf, unsigned int eqid); 1304 int t4_ofld_eq_free(struct adapter *adap, unsigned int mbox, unsigned int pf, 1305 unsigned int vf, unsigned int eqid); 1306 int t4_handle_fw_rpl(struct adapter *adap, const __be64 *rpl); 1307 void t4_db_full(struct adapter *adapter); 1308 void t4_db_dropped(struct adapter *adapter); 1309 int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, 1310 u32 addr, u32 val); 1311 void t4_sge_decode_idma_state(struct adapter *adapter, int state); 1312 void t4_free_mem(void *addr); 1313 #endif /* __CXGB4_H__ */ 1314