1 /* 2 * This file and its contents are supplied under the terms of the 3 * Common Development and Distribution License ("CDDL"), version 1.0. 4 * You may only use this file in accordance with the terms of version 5 * 1.0 of the CDDL. 6 * 7 * A full copy of the text of the CDDL should have accompanied this 8 * source. A copy of the CDDL is also available via the Internet at 9 * http://www.illumos.org/license/CDDL. 10 */ 11 12 /* 13 * This file is part of the Chelsio T4 support code. 14 * 15 * Copyright (C) 2011-2013 Chelsio Communications. All rights reserved. 16 * 17 * This program is distributed in the hope that it will be useful, but WITHOUT 18 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 19 * FITNESS FOR A PARTICULAR PURPOSE. See the LICENSE file included in this 20 * release for licensing terms and conditions. 21 */ 22 23 #ifndef __CXGBE_ADAPTER_H 24 #define __CXGBE_ADAPTER_H 25 26 #include <sys/ddi.h> 27 #include <sys/mac_provider.h> 28 #include <sys/ethernet.h> 29 #include <sys/queue.h> 30 #include <sys/containerof.h> 31 #include <sys/ddi_ufm.h> 32 33 #include "offload.h" 34 #include "firmware/t4fw_interface.h" 35 #include "shared.h" 36 37 struct adapter; 38 typedef struct adapter adapter_t; 39 40 enum { 41 FW_IQ_QSIZE = 256, 42 FW_IQ_ESIZE = 64, /* At least 64 mandated by the firmware spec */ 43 44 RX_IQ_QSIZE = 1024, 45 RX_IQ_ESIZE = 64, /* At least 64 so CPL_RX_PKT will fit */ 46 47 EQ_ESIZE = 64, /* All egres queues use this entry size */ 48 49 RX_FL_ESIZE = 64, /* 8 64bit addresses */ 50 51 FL_BUF_SIZES = 4, 52 53 CTRL_EQ_QSIZE = 128, 54 55 TX_EQ_QSIZE = 1024, 56 TX_SGL_SEGS = 36, 57 TX_WR_FLITS = SGE_MAX_WR_LEN / 8 58 }; 59 60 enum { 61 /* adapter flags */ 62 FULL_INIT_DONE = (1 << 0), 63 FW_OK = (1 << 1), 64 INTR_FWD = (1 << 2), 65 INTR_ALLOCATED = (1 << 3), 66 MASTER_PF = (1 << 4), 67 68 CXGBE_BUSY = (1 << 9), 69 70 /* port flags */ 71 DOOMED = (1 << 0), 72 PORT_INIT_DONE = (1 << 1), 73 }; 74 75 enum { 76 /* Features */ 77 CXGBE_HW_LSO = (1 << 0), 78 CXGBE_HW_CSUM = (1 << 1), 79 }; 80 81 enum { 82 UDBS_SEG_SHIFT = 7, /* log2(UDBS_SEG_SIZE) */ 83 UDBS_DB_OFFSET = 8, /* offset of the 4B doorbell in a segment */ 84 UDBS_WR_OFFSET = 64, /* offset of the work request in a segment */ 85 }; 86 87 #define IS_DOOMED(pi) (pi->flags & DOOMED) 88 #define SET_DOOMED(pi) do { pi->flags |= DOOMED; } while (0) 89 #define IS_BUSY(sc) (sc->flags & CXGBE_BUSY) 90 #define SET_BUSY(sc) do { sc->flags |= CXGBE_BUSY; } while (0) 91 #define CLR_BUSY(sc) do { sc->flags &= ~CXGBE_BUSY; } while (0) 92 93 struct port_info { 94 PORT_INFO_HDR; 95 96 kmutex_t lock; 97 struct adapter *adapter; 98 99 #ifdef TCP_OFFLOAD_ENABLE 100 void *tdev; 101 #endif 102 103 unsigned int flags; 104 105 uint16_t viid; 106 int16_t xact_addr_filt; /* index of exact MAC address filter */ 107 uint16_t rss_size; /* size of VI's RSS table slice */ 108 uint16_t ntxq; /* # of tx queues */ 109 uint16_t first_txq; /* index of first tx queue */ 110 uint16_t nrxq; /* # of rx queues */ 111 uint16_t first_rxq; /* index of first rx queue */ 112 #ifdef TCP_OFFLOAD_ENABLE 113 uint16_t nofldtxq; /* # of offload tx queues */ 114 uint16_t first_ofld_txq; /* index of first offload tx queue */ 115 uint16_t nofldrxq; /* # of offload rx queues */ 116 uint16_t first_ofld_rxq; /* index of first offload rx queue */ 117 #endif 118 uint8_t lport; /* associated offload logical port */ 119 int8_t mdio_addr; 120 uint8_t port_type; 121 uint8_t mod_type; 122 uint8_t port_id; 123 uint8_t tx_chan; 124 uint8_t rx_chan; 125 uint8_t rx_cchan; 126 uint8_t instance; /* Associated adapter instance */ 127 uint8_t child_inst; /* Associated child instance */ 128 uint8_t tmr_idx; 129 int8_t pktc_idx; 130 struct link_config link_cfg; 131 struct port_stats stats; 132 uint32_t features; 133 uint8_t macaddr_cnt; 134 u8 rss_mode; 135 u16 viid_mirror; 136 kstat_t *ksp_config; 137 kstat_t *ksp_info; 138 kstat_t *ksp_fec; 139 140 u8 vivld; 141 u8 vin; 142 u8 smt_idx; 143 144 u8 vivld_mirror; 145 u8 vin_mirror; 146 u8 smt_idx_mirror; 147 }; 148 149 struct fl_sdesc { 150 struct rxbuf *rxb; 151 }; 152 153 struct tx_desc { 154 __be64 flit[8]; 155 }; 156 157 /* DMA maps used for tx */ 158 struct tx_maps { 159 ddi_dma_handle_t *map; 160 uint32_t map_total; /* # of DMA maps */ 161 uint32_t map_pidx; /* next map to be used */ 162 uint32_t map_cidx; /* reclaimed up to this index */ 163 uint32_t map_avail; /* # of available maps */ 164 }; 165 166 struct tx_sdesc { 167 mblk_t *m; 168 uint32_t txb_used; /* # of bytes of tx copy buffer used */ 169 uint16_t hdls_used; /* # of dma handles used */ 170 uint16_t desc_used; /* # of hardware descriptors used */ 171 }; 172 173 enum { 174 /* iq flags */ 175 IQ_ALLOCATED = (1 << 0), /* firmware resources allocated */ 176 IQ_INTR = (1 << 1), /* iq takes direct interrupt */ 177 IQ_HAS_FL = (1 << 2), /* iq has fl */ 178 179 /* iq state */ 180 IQS_DISABLED = 0, 181 IQS_BUSY = 1, 182 IQS_IDLE = 2, 183 }; 184 185 /* 186 * Ingress Queue: T4 is producer, driver is consumer. 187 */ 188 struct sge_iq { 189 unsigned int flags; 190 ddi_dma_handle_t dhdl; 191 ddi_acc_handle_t ahdl; 192 193 volatile uint_t state; 194 __be64 *desc; /* KVA of descriptor ring */ 195 uint64_t ba; /* bus address of descriptor ring */ 196 const __be64 *cdesc; /* current descriptor */ 197 struct adapter *adapter; /* associated adapter */ 198 uint8_t gen; /* generation bit */ 199 uint8_t intr_params; /* interrupt holdoff parameters */ 200 int8_t intr_pktc_idx; /* packet count threshold index */ 201 uint8_t intr_next; /* holdoff for next interrupt */ 202 uint8_t esize; /* size (bytes) of each entry in the queue */ 203 uint16_t qsize; /* size (# of entries) of the queue */ 204 uint16_t cidx; /* consumer index */ 205 uint16_t pending; /* # of descs processed since last doorbell */ 206 uint16_t cntxt_id; /* SGE context id for the iq */ 207 uint16_t abs_id; /* absolute SGE id for the iq */ 208 kmutex_t lock; /* Rx access lock */ 209 uint8_t polling; 210 211 STAILQ_ENTRY(sge_iq) link; 212 }; 213 214 enum { 215 EQ_CTRL = 1, 216 EQ_ETH = 2, 217 #ifdef TCP_OFFLOAD_ENABLE 218 EQ_OFLD = 3, 219 #endif 220 221 /* eq flags */ 222 EQ_TYPEMASK = 7, /* 3 lsbits hold the type */ 223 EQ_ALLOCATED = (1 << 3), /* firmware resources allocated */ 224 EQ_DOOMED = (1 << 4), /* about to be destroyed */ 225 EQ_CRFLUSHED = (1 << 5), /* expecting an update from SGE */ 226 EQ_STALLED = (1 << 6), /* out of hw descriptors or dmamaps */ 227 EQ_MTX = (1 << 7), /* mutex has been initialized */ 228 EQ_STARTED = (1 << 8), /* started */ 229 }; 230 231 /* Listed in order of preference. Update t4_sysctls too if you change these */ 232 enum {DOORBELL_UDB=0x1 , DOORBELL_WCWR=0x2, DOORBELL_UDBWC=0x4, DOORBELL_KDB=0x8}; 233 234 /* 235 * Egress Queue: driver is producer, T4 is consumer. 236 * 237 * Note: A free list is an egress queue (driver produces the buffers and T4 238 * consumes them) but it's special enough to have its own struct (see sge_fl). 239 */ 240 struct sge_eq { 241 ddi_dma_handle_t desc_dhdl; 242 ddi_acc_handle_t desc_ahdl; 243 unsigned int flags; 244 kmutex_t lock; 245 246 struct tx_desc *desc; /* KVA of descriptor ring */ 247 uint64_t ba; /* bus address of descriptor ring */ 248 struct sge_qstat *spg; /* status page, for convenience */ 249 int doorbells; 250 volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */ 251 u_int udb_qid; /* relative qid within the doorbell page */ 252 uint16_t cap; /* max # of desc, for convenience */ 253 uint16_t avail; /* available descriptors, for convenience */ 254 uint16_t qsize; /* size (# of entries) of the queue */ 255 uint16_t cidx; /* consumer idx (desc idx) */ 256 uint16_t pidx; /* producer idx (desc idx) */ 257 uint16_t pending; /* # of descriptors used since last doorbell */ 258 uint16_t iqid; /* iq that gets egr_update for the eq */ 259 uint8_t tx_chan; /* tx channel used by the eq */ 260 uint32_t cntxt_id; /* SGE context id for the eq */ 261 }; 262 263 enum { 264 /* fl flags */ 265 FL_MTX = (1 << 0), /* mutex has been initialized */ 266 FL_STARVING = (1 << 1), /* on the list of starving fl's */ 267 FL_DOOMED = (1 << 2), /* about to be destroyed */ 268 }; 269 270 #define FL_RUNNING_LOW(fl) (fl->cap - fl->needed <= fl->lowat) 271 #define FL_NOT_RUNNING_LOW(fl) (fl->cap - fl->needed >= 2 * fl->lowat) 272 273 struct sge_fl { 274 unsigned int flags; 275 kmutex_t lock; 276 ddi_dma_handle_t dhdl; 277 ddi_acc_handle_t ahdl; 278 279 __be64 *desc; /* KVA of descriptor ring, ptr to addresses */ 280 uint64_t ba; /* bus address of descriptor ring */ 281 struct fl_sdesc *sdesc; /* KVA of software descriptor ring */ 282 uint32_t cap; /* max # of buffers, for convenience */ 283 uint16_t qsize; /* size (# of entries) of the queue */ 284 uint16_t cntxt_id; /* SGE context id for the freelist */ 285 uint32_t cidx; /* consumer idx (buffer idx, NOT hw desc idx) */ 286 uint32_t pidx; /* producer idx (buffer idx, NOT hw desc idx) */ 287 uint32_t needed; /* # of buffers needed to fill up fl. */ 288 uint32_t lowat; /* # of buffers <= this means fl needs help */ 289 uint32_t pending; /* # of bufs allocated since last doorbell */ 290 uint32_t offset; /* current packet within the larger buffer */ 291 uint16_t copy_threshold; /* anything this size or less is copied up */ 292 293 uint64_t copied_up; /* # of frames copied into mblk and handed up */ 294 uint64_t passed_up; /* # of frames wrapped in mblk and handed up */ 295 uint64_t allocb_fail; /* # of mblk allocation failures */ 296 297 TAILQ_ENTRY(sge_fl) link; /* All starving freelists */ 298 }; 299 300 /* txq: SGE egress queue + miscellaneous items */ 301 struct sge_txq { 302 struct sge_eq eq; /* MUST be first */ 303 304 struct port_info *port; /* the port this txq belongs to */ 305 struct tx_sdesc *sdesc; /* KVA of software descriptor ring */ 306 mac_ring_handle_t ring_handle; 307 308 /* DMA handles used for tx */ 309 ddi_dma_handle_t *tx_dhdl; 310 uint32_t tx_dhdl_total; /* Total # of handles */ 311 uint32_t tx_dhdl_pidx; /* next handle to be used */ 312 uint32_t tx_dhdl_cidx; /* reclaimed up to this index */ 313 uint32_t tx_dhdl_avail; /* # of available handles */ 314 315 /* Copy buffers for tx */ 316 ddi_dma_handle_t txb_dhdl; 317 ddi_acc_handle_t txb_ahdl; 318 caddr_t txb_va; /* KVA of copy buffers area */ 319 uint64_t txb_ba; /* bus address of copy buffers area */ 320 uint32_t txb_size; /* total size */ 321 uint32_t txb_next; /* offset of next useable area in the buffer */ 322 uint32_t txb_avail; /* # of bytes available */ 323 uint16_t copy_threshold; /* anything this size or less is copied up */ 324 325 uint64_t txpkts; /* # of ethernet packets */ 326 uint64_t txbytes; /* # of ethernet bytes */ 327 kstat_t *ksp; 328 329 /* stats for common events first */ 330 331 uint64_t txcsum; /* # of times hardware assisted with checksum */ 332 uint64_t tso_wrs; /* # of IPv4 TSO work requests */ 333 uint64_t imm_wrs; /* # of work requests with immediate data */ 334 uint64_t sgl_wrs; /* # of work requests with direct SGL */ 335 uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */ 336 uint64_t txpkts_wrs; /* # of coalesced tx work requests */ 337 uint64_t txpkts_pkts; /* # of frames in coalesced tx work requests */ 338 uint64_t txb_used; /* # of tx copy buffers used (64 byte each) */ 339 uint64_t hdl_used; /* # of DMA handles used */ 340 341 /* stats for not-that-common events */ 342 343 uint32_t txb_full; /* txb ran out of space */ 344 uint32_t dma_hdl_failed; /* couldn't obtain DMA handle */ 345 uint32_t dma_map_failed; /* couldn't obtain DMA mapping */ 346 uint32_t qfull; /* out of hardware descriptors */ 347 uint32_t qflush; /* # of SGE_EGR_UPDATE notifications for txq */ 348 uint32_t pullup_early; /* # of pullups before starting frame's SGL */ 349 uint32_t pullup_late; /* # of pullups while building frame's SGL */ 350 uint32_t pullup_failed; /* # of failed pullups */ 351 uint32_t csum_failed; /* # of csum reqs we failed to fulfill */ 352 }; 353 354 /* rxq: SGE ingress queue + SGE free list + miscellaneous items */ 355 struct sge_rxq { 356 struct sge_iq iq; /* MUST be first */ 357 struct sge_fl fl; 358 359 struct port_info *port; /* the port this rxq belongs to */ 360 kstat_t *ksp; 361 362 mac_ring_handle_t ring_handle; 363 uint64_t ring_gen_num; 364 365 /* stats for common events first */ 366 367 uint64_t rxcsum; /* # of times hardware assisted with checksum */ 368 uint64_t rxpkts; /* # of ethernet packets */ 369 uint64_t rxbytes; /* # of ethernet bytes */ 370 371 /* stats for not-that-common events */ 372 373 uint32_t nomem; /* mblk allocation during rx failed */ 374 }; 375 376 #ifdef TCP_OFFLOAD_ENABLE 377 /* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */ 378 struct sge_ofld_rxq { 379 struct sge_iq iq; /* MUST be first */ 380 struct sge_fl fl; 381 }; 382 383 /* 384 * wrq: SGE egress queue that is given prebuilt work requests. Both the control 385 * and offload tx queues are of this type. 386 */ 387 struct sge_wrq { 388 struct sge_eq eq; /* MUST be first */ 389 390 struct adapter *adapter; 391 392 /* List of WRs held up due to lack of tx descriptors */ 393 struct mblk_pair wr_list; 394 395 /* stats for common events first */ 396 397 uint64_t tx_wrs; /* # of tx work requests */ 398 399 /* stats for not-that-common events */ 400 401 uint32_t no_desc; /* out of hardware descriptors */ 402 }; 403 #endif 404 405 struct sge { 406 int fl_starve_threshold; 407 int s_qpp; 408 409 int nrxq; /* total rx queues (all ports and the rest) */ 410 int ntxq; /* total tx queues (all ports and the rest) */ 411 #ifdef TCP_OFFLOAD_ENABLE 412 int nofldrxq; /* total # of TOE rx queues */ 413 int nofldtxq; /* total # of TOE tx queues */ 414 #endif 415 int niq; /* total ingress queues */ 416 int neq; /* total egress queues */ 417 int stat_len; /* length of status page at ring end */ 418 int pktshift; /* padding between CPL & packet data */ 419 int fl_align; /* response queue message alignment */ 420 421 struct sge_iq fwq; /* Firmware event queue */ 422 #ifdef TCP_OFFLOAD_ENABLE 423 struct sge_wrq mgmtq; /* Management queue (Control queue) */ 424 #endif 425 struct sge_txq *txq; /* NIC tx queues */ 426 struct sge_rxq *rxq; /* NIC rx queues */ 427 #ifdef TCP_OFFLOAD_ENABLE 428 struct sge_wrq *ctrlq; /* Control queues */ 429 struct sge_wrq *ofld_txq; /* TOE tx queues */ 430 struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */ 431 #endif 432 433 int iq_start; /* iq context id map start index */ 434 int eq_start; /* eq context id map start index */ 435 int iqmap_sz; /* size of iq context id map */ 436 int eqmap_sz; /* size of eq context id map */ 437 struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */ 438 struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */ 439 440 /* Device access and DMA attributes for all the descriptor rings */ 441 ddi_device_acc_attr_t acc_attr_desc; 442 ddi_dma_attr_t dma_attr_desc; 443 444 /* Device access and DMA attributes for tx buffers */ 445 ddi_device_acc_attr_t acc_attr_tx; 446 ddi_dma_attr_t dma_attr_tx; 447 448 /* Device access and DMA attributes for rx buffers are in rxb_params */ 449 kmem_cache_t *rxbuf_cache; 450 struct rxbuf_cache_params rxb_params; 451 }; 452 453 struct driver_properties { 454 /* There is a driver.conf variable for each of these */ 455 int max_ntxq_10g; 456 int max_nrxq_10g; 457 int max_ntxq_1g; 458 int max_nrxq_1g; 459 #ifdef TCP_OFFLOAD_ENABLE 460 int max_nofldtxq_10g; 461 int max_nofldrxq_10g; 462 int max_nofldtxq_1g; 463 int max_nofldrxq_1g; 464 #endif 465 int intr_types; 466 int tmr_idx_10g; 467 int pktc_idx_10g; 468 int tmr_idx_1g; 469 int pktc_idx_1g; 470 int qsize_txq; 471 int qsize_rxq; 472 473 int timer_val[SGE_NTIMERS]; 474 int counter_val[SGE_NCOUNTERS]; 475 476 int wc; 477 478 int multi_rings; 479 int t4_fw_install; 480 }; 481 482 struct rss_header; 483 typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *, 484 mblk_t *); 485 typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *); 486 487 struct t4_mbox_list { 488 STAILQ_ENTRY(t4_mbox_list) link; 489 }; 490 491 struct adapter { 492 SLIST_ENTRY(adapter) link; 493 dev_info_t *dip; 494 dev_t dev; 495 496 unsigned int pf; 497 unsigned int mbox; 498 499 unsigned int vpd_busy; 500 unsigned int vpd_flag; 501 502 u32 t4_bar0; 503 504 uint_t open; /* character device is open */ 505 506 /* PCI config space access handle */ 507 ddi_acc_handle_t pci_regh; 508 509 /* MMIO register access handle */ 510 ddi_acc_handle_t regh; 511 caddr_t regp; 512 /* BAR1 register access handle */ 513 ddi_acc_handle_t reg1h; 514 caddr_t reg1p; 515 516 /* Interrupt information */ 517 int intr_type; 518 int intr_count; 519 int intr_cap; 520 uint_t intr_pri; 521 ddi_intr_handle_t *intr_handle; 522 523 struct driver_properties props; 524 kstat_t *ksp; 525 kstat_t *ksp_stat; 526 527 struct sge sge; 528 529 struct port_info *port[MAX_NPORTS]; 530 ddi_taskq_t *tq[NCHAN]; 531 uint8_t chan_map[NCHAN]; 532 uint32_t filter_mode; 533 534 struct l2t_data *l2t; /* L2 table */ 535 struct tid_info tids; 536 537 int doorbells; 538 int registered_device_map; 539 int open_device_map; 540 int flags; 541 542 unsigned int cfcsum; 543 struct adapter_params params; 544 struct t4_virt_res vres; 545 546 #ifdef TCP_OFFLOAD_ENABLE 547 struct uld_softc tom; 548 struct tom_tunables tt; 549 #endif 550 551 #ifdef TCP_OFFLOAD_ENABLE 552 int offload_map; 553 #endif 554 uint16_t linkcaps; 555 uint16_t niccaps; 556 uint16_t toecaps; 557 uint16_t rdmacaps; 558 uint16_t iscsicaps; 559 uint16_t fcoecaps; 560 561 fw_msg_handler_t fw_msg_handler[5]; /* NUM_FW6_TYPES */ 562 cpl_handler_t cpl_handler[0xef]; /* NUM_CPL_CMDS */ 563 564 kmutex_t lock; 565 kcondvar_t cv; 566 567 /* Starving free lists */ 568 kmutex_t sfl_lock; /* same cache-line as sc_lock? but that's ok */ 569 TAILQ_HEAD(, sge_fl) sfl; 570 timeout_id_t sfl_timer; 571 572 /* Sensors */ 573 id_t temp_sensor; 574 id_t volt_sensor; 575 576 ddi_ufm_handle_t *ufm_hdl; 577 578 /* support for single-threading access to adapter mailbox registers */ 579 kmutex_t mbox_lock; 580 STAILQ_HEAD(, t4_mbox_list) mbox_list; 581 }; 582 583 enum { 584 NIC_H = 0, 585 TOM_H, 586 IW_H, 587 ISCSI_H 588 }; 589 590 struct memwin { 591 uint32_t base; 592 uint32_t aperture; 593 }; 594 595 #define ADAPTER_LOCK(sc) mutex_enter(&(sc)->lock) 596 #define ADAPTER_UNLOCK(sc) mutex_exit(&(sc)->lock) 597 #define ADAPTER_LOCK_ASSERT_OWNED(sc) ASSERT(mutex_owned(&(sc)->lock)) 598 #define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) ASSERT(!mutex_owned(&(sc)->lock)) 599 600 #define PORT_LOCK(pi) mutex_enter(&(pi)->lock) 601 #define PORT_UNLOCK(pi) mutex_exit(&(pi)->lock) 602 #define PORT_LOCK_ASSERT_OWNED(pi) ASSERT(mutex_owned(&(pi)->lock)) 603 #define PORT_LOCK_ASSERT_NOTOWNED(pi) ASSERT(!mutex_owned(&(pi)->lock)) 604 605 #define IQ_LOCK(iq) mutex_enter(&(iq)->lock) 606 #define IQ_UNLOCK(iq) mutex_exit(&(iq)->lock) 607 #define IQ_LOCK_ASSERT_OWNED(iq) ASSERT(mutex_owned(&(iq)->lock)) 608 #define IQ_LOCK_ASSERT_NOTOWNED(iq) ASSERT(!mutex_owned(&(iq)->lock)) 609 610 #define FL_LOCK(fl) mutex_enter(&(fl)->lock) 611 #define FL_UNLOCK(fl) mutex_exit(&(fl)->lock) 612 #define FL_LOCK_ASSERT_OWNED(fl) ASSERT(mutex_owned(&(fl)->lock)) 613 #define FL_LOCK_ASSERT_NOTOWNED(fl) ASSERT(!mutex_owned(&(fl)->lock)) 614 615 #define RXQ_LOCK(rxq) IQ_LOCK(&(rxq)->iq) 616 #define RXQ_UNLOCK(rxq) IQ_UNLOCK(&(rxq)->iq) 617 #define RXQ_LOCK_ASSERT_OWNED(rxq) IQ_LOCK_ASSERT_OWNED(&(rxq)->iq) 618 #define RXQ_LOCK_ASSERT_NOTOWNED(rxq) IQ_LOCK_ASSERT_NOTOWNED(&(rxq)->iq) 619 620 #define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl) 621 #define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl) 622 #define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl) 623 #define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl) 624 625 #define EQ_LOCK(eq) mutex_enter(&(eq)->lock) 626 #define EQ_UNLOCK(eq) mutex_exit(&(eq)->lock) 627 #define EQ_LOCK_ASSERT_OWNED(eq) ASSERT(mutex_owned(&(eq)->lock)) 628 #define EQ_LOCK_ASSERT_NOTOWNED(eq) ASSERT(!mutex_owned(&(eq)->lock)) 629 630 #define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq) 631 #define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq) 632 #define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq) 633 #define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq) 634 635 #define for_each_txq(pi, iter, txq) \ 636 txq = &pi->adapter->sge.txq[pi->first_txq]; \ 637 for (iter = 0; iter < pi->ntxq; ++iter, ++txq) 638 #define for_each_rxq(pi, iter, rxq) \ 639 rxq = &pi->adapter->sge.rxq[pi->first_rxq]; \ 640 for (iter = 0; iter < pi->nrxq; ++iter, ++rxq) 641 #define for_each_ofld_txq(pi, iter, ofld_txq) \ 642 ofld_txq = &pi->adapter->sge.ofld_txq[pi->first_ofld_txq]; \ 643 for (iter = 0; iter < pi->nofldtxq; ++iter, ++ofld_txq) 644 #define for_each_ofld_rxq(pi, iter, ofld_rxq) \ 645 ofld_rxq = &pi->adapter->sge.ofld_rxq[pi->first_ofld_rxq]; \ 646 for (iter = 0; iter < pi->nofldrxq; ++iter, ++ofld_rxq) 647 648 #define NFIQ(sc) ((sc)->intr_count > 1 ? (sc)->intr_count - 1 : 1) 649 650 /* One for errors, one for firmware events */ 651 #define T4_EXTRA_INTR 2 652 653 typedef kmutex_t t4_os_lock_t; 654 655 static inline void t4_os_lock(t4_os_lock_t *lock) 656 { 657 mutex_enter(lock); 658 } 659 660 static inline void t4_os_unlock(t4_os_lock_t *lock) 661 { 662 mutex_exit(lock); 663 } 664 665 static inline void t4_mbox_list_add(struct adapter *adap, 666 struct t4_mbox_list *entry) 667 { 668 t4_os_lock(&adap->mbox_lock); 669 STAILQ_INSERT_TAIL(&adap->mbox_list, entry, link); 670 t4_os_unlock(&adap->mbox_lock); 671 } 672 673 static inline void t4_mbox_list_del(struct adapter *adap, 674 struct t4_mbox_list *entry) 675 { 676 t4_os_lock(&adap->mbox_lock); 677 STAILQ_REMOVE(&adap->mbox_list, entry, t4_mbox_list, link); 678 t4_os_unlock(&adap->mbox_lock); 679 } 680 681 static inline struct t4_mbox_list * 682 t4_mbox_list_first_entry(struct adapter *adap) 683 { 684 return STAILQ_FIRST(&adap->mbox_list); 685 } 686 687 static inline uint32_t 688 t4_read_reg(struct adapter *sc, uint32_t reg) 689 { 690 /* LINTED: E_BAD_PTR_CAST_ALIGN */ 691 return (ddi_get32(sc->regh, (uint32_t *)(sc->regp + reg))); 692 } 693 694 static inline void 695 t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val) 696 { 697 /* LINTED: E_BAD_PTR_CAST_ALIGN */ 698 ddi_put32(sc->regh, (uint32_t *)(sc->regp + reg), val); 699 } 700 701 static inline void 702 t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val) 703 { 704 *val = pci_config_get8(sc->pci_regh, reg); 705 } 706 707 static inline void 708 t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val) 709 { 710 pci_config_put8(sc->pci_regh, reg, val); 711 } 712 713 static inline void 714 t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val) 715 { 716 *val = pci_config_get16(sc->pci_regh, reg); 717 } 718 719 static inline void 720 t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val) 721 { 722 pci_config_put16(sc->pci_regh, reg, val); 723 } 724 725 static inline void 726 t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val) 727 { 728 *val = pci_config_get32(sc->pci_regh, reg); 729 } 730 731 static inline void 732 t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val) 733 { 734 pci_config_put32(sc->pci_regh, reg, val); 735 } 736 737 static inline uint32_t 738 t4_read_reg32(struct adapter *sc, uint32_t reg) 739 { 740 return (ddi_get32(sc->regh, (uint32_t *)(sc->regp + reg))); 741 } 742 743 static inline uint64_t 744 t4_read_reg64(struct adapter *sc, uint32_t reg) 745 { 746 return (ddi_get64(sc->regh, (uint64_t *)(sc->regp + reg))); 747 } 748 749 static inline void 750 t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val) 751 { 752 ddi_put64(sc->regh, (uint64_t *)(sc->regp + reg), val); 753 } 754 755 static inline struct port_info * 756 adap2pinfo(struct adapter *sc, int idx) 757 { 758 return (sc->port[idx]); 759 } 760 761 static inline void 762 t4_os_set_hw_addr(struct adapter *sc, int idx, uint8_t hw_addr[]) 763 { 764 bcopy(hw_addr, sc->port[idx]->hw_addr, ETHERADDRL); 765 } 766 767 static inline bool 768 is_10G_port(const struct port_info *pi) 769 { 770 return ((pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_10G) != 0); 771 } 772 773 static inline struct sge_rxq * 774 iq_to_rxq(struct sge_iq *iq) 775 { 776 return (__containerof(iq, struct sge_rxq, iq)); 777 } 778 779 static inline bool 780 is_25G_port(const struct port_info *pi) 781 { 782 return ((pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_25G) != 0); 783 } 784 785 static inline bool 786 is_40G_port(const struct port_info *pi) 787 { 788 return ((pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_40G) != 0); 789 } 790 791 static inline bool 792 is_50G_port(const struct port_info *pi) 793 { 794 return ((pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_50G) != 0); 795 } 796 797 static inline bool 798 is_100G_port(const struct port_info *pi) 799 { 800 return ((pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100G) != 0); 801 } 802 803 static inline bool 804 is_10XG_port(const struct port_info *pi) 805 { 806 return (is_10G_port(pi) || is_40G_port(pi) || 807 is_25G_port(pi) || is_50G_port(pi) || 808 is_100G_port(pi)); 809 } 810 811 #ifdef TCP_OFFLOAD_ENABLE 812 int t4_wrq_tx_locked(struct adapter *sc, struct sge_wrq *wrq, mblk_t *m0); 813 814 static inline int 815 t4_wrq_tx(struct adapter *sc, struct sge_wrq *wrq, mblk_t *m) 816 { 817 int rc; 818 819 TXQ_LOCK(wrq); 820 rc = t4_wrq_tx_locked(sc, wrq, m); 821 TXQ_UNLOCK(wrq); 822 return (rc); 823 } 824 #endif 825 826 /** 827 * t4_os_pci_read_seeprom - read four bytes of SEEPROM/VPD contents 828 * @adapter: the adapter 829 * @addr: SEEPROM/VPD Address to read 830 * @valp: where to store the value read 831 * 832 * Read a 32-bit value from the given address in the SEEPROM/VPD. The address 833 * must be four-byte aligned. Returns 0 on success, a negative erro number 834 * on failure. 835 */ 836 static inline int t4_os_pci_read_seeprom(adapter_t *adapter, 837 int addr, u32 *valp) 838 { 839 int t4_seeprom_read(struct adapter *adapter, u32 addr, u32 *data); 840 int ret; 841 842 ret = t4_seeprom_read(adapter, addr, valp); 843 844 return ret >= 0 ? 0 : ret; 845 } 846 847 /** 848 * t4_os_pci_write_seeprom - write four bytes of SEEPROM/VPD contents 849 * @adapter: the adapter 850 * @addr: SEEPROM/VPD Address to write 851 * @val: the value write 852 * 853 * Write a 32-bit value to the given address in the SEEPROM/VPD. The address 854 * must be four-byte aligned. Returns 0 on success, a negative erro number 855 * on failure. 856 */ 857 static inline int t4_os_pci_write_seeprom(adapter_t *adapter, 858 int addr, u32 val) 859 { 860 int t4_seeprom_write(struct adapter *adapter, u32 addr, u32 data); 861 int ret; 862 863 ret = t4_seeprom_write(adapter, addr, val); 864 865 return ret >= 0 ? 0 : ret; 866 } 867 868 static inline int t4_os_pci_set_vpd_size(struct adapter *adapter, size_t len) 869 { 870 return 0; 871 } 872 873 static inline unsigned int t4_use_ldst(struct adapter *adap) 874 { 875 return (adap->flags & FW_OK); 876 } 877 #define t4_os_alloc(_size) kmem_alloc(_size, KM_SLEEP) 878 879 static inline void t4_db_full(struct adapter *adap) {} 880 static inline void t4_db_dropped(struct adapter *adap) {} 881 882 /* t4_nexus.c */ 883 int t4_os_find_pci_capability(struct adapter *sc, int cap); 884 void t4_os_portmod_changed(struct adapter *sc, int idx); 885 int adapter_full_init(struct adapter *sc); 886 int adapter_full_uninit(struct adapter *sc); 887 int port_full_init(struct port_info *pi); 888 int port_full_uninit(struct port_info *pi); 889 void enable_port_queues(struct port_info *pi); 890 void disable_port_queues(struct port_info *pi); 891 int t4_register_cpl_handler(struct adapter *sc, int opcode, cpl_handler_t h); 892 int t4_register_fw_msg_handler(struct adapter *, int, fw_msg_handler_t); 893 void t4_iterate(void (*func)(int, void *), void *arg); 894 895 /* t4_sge.c */ 896 void t4_sge_init(struct adapter *sc); 897 int t4_setup_adapter_queues(struct adapter *sc); 898 int t4_teardown_adapter_queues(struct adapter *sc); 899 int t4_setup_port_queues(struct port_info *pi); 900 int t4_teardown_port_queues(struct port_info *pi); 901 uint_t t4_intr_all(caddr_t arg1, caddr_t arg2); 902 uint_t t4_intr(caddr_t arg1, caddr_t arg2); 903 uint_t t4_intr_err(caddr_t arg1, caddr_t arg2); 904 int t4_mgmt_tx(struct adapter *sc, mblk_t *m); 905 void memwin_info(struct adapter *, int, uint32_t *, uint32_t *); 906 uint32_t position_memwin(struct adapter *, int, uint32_t); 907 908 mblk_t *t4_eth_tx(void *, mblk_t *); 909 mblk_t *t4_mc_tx(void *arg, mblk_t *m); 910 mblk_t *t4_ring_rx(struct sge_rxq *rxq, int poll_bytes); 911 int t4_alloc_tx_maps(struct adapter *sc, struct tx_maps *txmaps, int count, 912 int flags); 913 914 /* t4_mac.c */ 915 void t4_mc_init(struct port_info *pi); 916 void t4_mc_cb_init(struct port_info *); 917 void t4_os_link_changed(struct adapter *sc, int idx, int link_stat); 918 void t4_mac_rx(struct port_info *pi, struct sge_rxq *rxq, mblk_t *m); 919 void t4_mac_tx_update(struct port_info *pi, struct sge_txq *txq); 920 int t4_addmac(void *arg, const uint8_t *ucaddr); 921 922 /* t4_ioctl.c */ 923 int t4_ioctl(struct adapter *sc, int cmd, void *data, int mode); 924 925 struct l2t_data *t4_init_l2t(struct adapter *sc); 926 int begin_synchronized_op(struct port_info *pi, int hold, int waitok); 927 void end_synchronized_op(struct port_info *pi, int held); 928 #endif /* __CXGBE_ADAPTER_H */ 929