1 /*- 2 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 3 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer, 11 * without modification, immediately at the beginning of the file. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 /* ATA register defines */ 31 #define ATA_DATA 0 /* (RW) data */ 32 33 #define ATA_FEATURE 1 /* (W) feature */ 34 #define ATA_F_DMA 0x01 /* enable DMA */ 35 #define ATA_F_OVL 0x02 /* enable overlap */ 36 37 #define ATA_COUNT 2 /* (W) sector count */ 38 39 #define ATA_SECTOR 3 /* (RW) sector # */ 40 #define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */ 41 #define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */ 42 #define ATA_DRIVE 6 /* (W) Sector/Drive/Head */ 43 #define ATA_D_LBA 0x40 /* use LBA addressing */ 44 #define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */ 45 46 #define ATA_COMMAND 7 /* (W) command */ 47 48 #define ATA_ERROR 8 /* (R) error */ 49 #define ATA_E_ILI 0x01 /* illegal length */ 50 #define ATA_E_NM 0x02 /* no media */ 51 #define ATA_E_ABORT 0x04 /* command aborted */ 52 #define ATA_E_MCR 0x08 /* media change request */ 53 #define ATA_E_IDNF 0x10 /* ID not found */ 54 #define ATA_E_MC 0x20 /* media changed */ 55 #define ATA_E_UNC 0x40 /* uncorrectable data */ 56 #define ATA_E_ICRC 0x80 /* UDMA crc error */ 57 #define ATA_E_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */ 58 59 #define ATA_IREASON 9 /* (R) interrupt reason */ 60 #define ATA_I_CMD 0x01 /* cmd (1) | data (0) */ 61 #define ATA_I_IN 0x02 /* read (1) | write (0) */ 62 #define ATA_I_RELEASE 0x04 /* released bus (1) */ 63 #define ATA_I_TAGMASK 0xf8 /* tag mask */ 64 65 #define ATA_STATUS 10 /* (R) status */ 66 #define ATA_ALTSTAT 11 /* (R) alternate status */ 67 #define ATA_S_ERROR 0x01 /* error */ 68 #define ATA_S_INDEX 0x02 /* index */ 69 #define ATA_S_CORR 0x04 /* data corrected */ 70 #define ATA_S_DRQ 0x08 /* data request */ 71 #define ATA_S_DSC 0x10 /* drive seek completed */ 72 #define ATA_S_SERVICE 0x10 /* drive needs service */ 73 #define ATA_S_DWF 0x20 /* drive write fault */ 74 #define ATA_S_DMA 0x20 /* DMA ready */ 75 #define ATA_S_READY 0x40 /* drive ready */ 76 #define ATA_S_BUSY 0x80 /* busy */ 77 78 #define ATA_CONTROL 12 /* (W) control */ 79 #define ATA_A_IDS 0x02 /* disable interrupts */ 80 #define ATA_A_RESET 0x04 /* RESET controller */ 81 #define ATA_A_4BIT 0x08 /* 4 head bits */ 82 #define ATA_A_HOB 0x80 /* High Order Byte enable */ 83 84 /* SATA register defines */ 85 #define ATA_SSTATUS 13 86 #define ATA_SS_DET_MASK 0x0000000f 87 #define ATA_SS_DET_NO_DEVICE 0x00000000 88 #define ATA_SS_DET_DEV_PRESENT 0x00000001 89 #define ATA_SS_DET_PHY_ONLINE 0x00000003 90 #define ATA_SS_DET_PHY_OFFLINE 0x00000004 91 92 #define ATA_SS_SPD_MASK 0x000000f0 93 #define ATA_SS_SPD_NO_SPEED 0x00000000 94 #define ATA_SS_SPD_GEN1 0x00000010 95 #define ATA_SS_SPD_GEN2 0x00000020 96 #define ATA_SS_SPD_GEN3 0x00000040 97 98 #define ATA_SS_IPM_MASK 0x00000f00 99 #define ATA_SS_IPM_NO_DEVICE 0x00000000 100 #define ATA_SS_IPM_ACTIVE 0x00000100 101 #define ATA_SS_IPM_PARTIAL 0x00000200 102 #define ATA_SS_IPM_SLUMBER 0x00000600 103 104 #define ATA_SERROR 14 105 #define ATA_SE_DATA_CORRECTED 0x00000001 106 #define ATA_SE_COMM_CORRECTED 0x00000002 107 #define ATA_SE_DATA_ERR 0x00000100 108 #define ATA_SE_COMM_ERR 0x00000200 109 #define ATA_SE_PROT_ERR 0x00000400 110 #define ATA_SE_HOST_ERR 0x00000800 111 #define ATA_SE_PHY_CHANGED 0x00010000 112 #define ATA_SE_PHY_IERROR 0x00020000 113 #define ATA_SE_COMM_WAKE 0x00040000 114 #define ATA_SE_DECODE_ERR 0x00080000 115 #define ATA_SE_PARITY_ERR 0x00100000 116 #define ATA_SE_CRC_ERR 0x00200000 117 #define ATA_SE_HANDSHAKE_ERR 0x00400000 118 #define ATA_SE_LINKSEQ_ERR 0x00800000 119 #define ATA_SE_TRANSPORT_ERR 0x01000000 120 #define ATA_SE_UNKNOWN_FIS 0x02000000 121 #define ATA_SE_EXCHANGED 0x04000000 122 123 #define ATA_SCONTROL 15 124 #define ATA_SC_DET_MASK 0x0000000f 125 #define ATA_SC_DET_IDLE 0x00000000 126 #define ATA_SC_DET_RESET 0x00000001 127 #define ATA_SC_DET_DISABLE 0x00000004 128 129 #define ATA_SC_SPD_MASK 0x000000f0 130 #define ATA_SC_SPD_NO_SPEED 0x00000000 131 #define ATA_SC_SPD_SPEED_GEN1 0x00000010 132 #define ATA_SC_SPD_SPEED_GEN2 0x00000020 133 #define ATA_SC_SPD_SPEED_GEN3 0x00000040 134 135 #define ATA_SC_IPM_MASK 0x00000f00 136 #define ATA_SC_IPM_NONE 0x00000000 137 #define ATA_SC_IPM_DIS_PARTIAL 0x00000100 138 #define ATA_SC_IPM_DIS_SLUMBER 0x00000200 139 140 #define ATA_SACTIVE 16 141 142 #define AHCI_MAX_PORTS 32 143 #define AHCI_MAX_SLOTS 32 144 145 /* SATA AHCI v1.0 register defines */ 146 #define AHCI_CAP 0x00 147 #define AHCI_CAP_NPMASK 0x0000001f 148 #define AHCI_CAP_SXS 0x00000020 149 #define AHCI_CAP_EMS 0x00000040 150 #define AHCI_CAP_CCCS 0x00000080 151 #define AHCI_CAP_NCS 0x00001F00 152 #define AHCI_CAP_NCS_SHIFT 8 153 #define AHCI_CAP_PSC 0x00002000 154 #define AHCI_CAP_SSC 0x00004000 155 #define AHCI_CAP_PMD 0x00008000 156 #define AHCI_CAP_FBSS 0x00010000 157 #define AHCI_CAP_SPM 0x00020000 158 #define AHCI_CAP_SAM 0x00080000 159 #define AHCI_CAP_ISS 0x00F00000 160 #define AHCI_CAP_ISS_SHIFT 20 161 #define AHCI_CAP_SCLO 0x01000000 162 #define AHCI_CAP_SAL 0x02000000 163 #define AHCI_CAP_SALP 0x04000000 164 #define AHCI_CAP_SSS 0x08000000 165 #define AHCI_CAP_SMPS 0x10000000 166 #define AHCI_CAP_SSNTF 0x20000000 167 #define AHCI_CAP_SNCQ 0x40000000 168 #define AHCI_CAP_64BIT 0x80000000 169 170 #define AHCI_GHC 0x04 171 #define AHCI_GHC_AE 0x80000000 172 #define AHCI_GHC_MRSM 0x00000004 173 #define AHCI_GHC_IE 0x00000002 174 #define AHCI_GHC_HR 0x00000001 175 176 #define AHCI_IS 0x08 177 #define AHCI_PI 0x0c 178 #define AHCI_VS 0x10 179 180 #define AHCI_CCCC 0x14 181 #define AHCI_CCCC_TV_MASK 0xffff0000 182 #define AHCI_CCCC_TV_SHIFT 16 183 #define AHCI_CCCC_CC_MASK 0x0000ff00 184 #define AHCI_CCCC_CC_SHIFT 8 185 #define AHCI_CCCC_INT_MASK 0x000000f8 186 #define AHCI_CCCC_INT_SHIFT 3 187 #define AHCI_CCCC_EN 0x00000001 188 #define AHCI_CCCP 0x18 189 190 #define AHCI_EM_LOC 0x1C 191 #define AHCI_EM_CTL 0x20 192 #define AHCI_EM_MR 0x00000001 193 #define AHCI_EM_TM 0x00000100 194 #define AHCI_EM_RST 0x00000200 195 #define AHCI_EM_LED 0x00010000 196 #define AHCI_EM_SAFTE 0x00020000 197 #define AHCI_EM_SES2 0x00040000 198 #define AHCI_EM_SGPIO 0x00080000 199 #define AHCI_EM_SMB 0x01000000 200 #define AHCI_EM_XMT 0x02000000 201 #define AHCI_EM_ALHD 0x04000000 202 #define AHCI_EM_PM 0x08000000 203 204 #define AHCI_CAP2 0x24 205 #define AHCI_CAP2_BOH 0x00000001 206 #define AHCI_CAP2_NVMP 0x00000002 207 #define AHCI_CAP2_APST 0x00000004 208 209 #define AHCI_OFFSET 0x100 210 #define AHCI_STEP 0x80 211 212 #define AHCI_P_CLB 0x00 213 #define AHCI_P_CLBU 0x04 214 #define AHCI_P_FB 0x08 215 #define AHCI_P_FBU 0x0c 216 #define AHCI_P_IS 0x10 217 #define AHCI_P_IE 0x14 218 #define AHCI_P_IX_DHR 0x00000001 219 #define AHCI_P_IX_PS 0x00000002 220 #define AHCI_P_IX_DS 0x00000004 221 #define AHCI_P_IX_SDB 0x00000008 222 #define AHCI_P_IX_UF 0x00000010 223 #define AHCI_P_IX_DP 0x00000020 224 #define AHCI_P_IX_PC 0x00000040 225 #define AHCI_P_IX_MP 0x00000080 226 227 #define AHCI_P_IX_PRC 0x00400000 228 #define AHCI_P_IX_IPM 0x00800000 229 #define AHCI_P_IX_OF 0x01000000 230 #define AHCI_P_IX_INF 0x04000000 231 #define AHCI_P_IX_IF 0x08000000 232 #define AHCI_P_IX_HBD 0x10000000 233 #define AHCI_P_IX_HBF 0x20000000 234 #define AHCI_P_IX_TFE 0x40000000 235 #define AHCI_P_IX_CPD 0x80000000 236 237 #define AHCI_P_CMD 0x18 238 #define AHCI_P_CMD_ST 0x00000001 239 #define AHCI_P_CMD_SUD 0x00000002 240 #define AHCI_P_CMD_POD 0x00000004 241 #define AHCI_P_CMD_CLO 0x00000008 242 #define AHCI_P_CMD_FRE 0x00000010 243 #define AHCI_P_CMD_CCS_MASK 0x00001f00 244 #define AHCI_P_CMD_CCS_SHIFT 8 245 #define AHCI_P_CMD_ISS 0x00002000 246 #define AHCI_P_CMD_FR 0x00004000 247 #define AHCI_P_CMD_CR 0x00008000 248 #define AHCI_P_CMD_CPS 0x00010000 249 #define AHCI_P_CMD_PMA 0x00020000 250 #define AHCI_P_CMD_HPCP 0x00040000 251 #define AHCI_P_CMD_MPSP 0x00080000 252 #define AHCI_P_CMD_CPD 0x00100000 253 #define AHCI_P_CMD_ESP 0x00200000 254 #define AHCI_P_CMD_FBSCP 0x00400000 255 #define AHCI_P_CMD_APSTE 0x00800000 256 #define AHCI_P_CMD_ATAPI 0x01000000 257 #define AHCI_P_CMD_DLAE 0x02000000 258 #define AHCI_P_CMD_ALPE 0x04000000 259 #define AHCI_P_CMD_ASP 0x08000000 260 #define AHCI_P_CMD_ICC_MASK 0xf0000000 261 #define AHCI_P_CMD_NOOP 0x00000000 262 #define AHCI_P_CMD_ACTIVE 0x10000000 263 #define AHCI_P_CMD_PARTIAL 0x20000000 264 #define AHCI_P_CMD_SLUMBER 0x60000000 265 266 #define AHCI_P_TFD 0x20 267 #define AHCI_P_SIG 0x24 268 #define AHCI_P_SSTS 0x28 269 #define AHCI_P_SCTL 0x2c 270 #define AHCI_P_SERR 0x30 271 #define AHCI_P_SACT 0x34 272 #define AHCI_P_CI 0x38 273 #define AHCI_P_SNTF 0x3C 274 #define AHCI_P_FBS 0x40 275 #define AHCI_P_FBS_EN 0x00000001 276 #define AHCI_P_FBS_DEC 0x00000002 277 #define AHCI_P_FBS_SDE 0x00000004 278 #define AHCI_P_FBS_DEV 0x00000f00 279 #define AHCI_P_FBS_DEV_SHIFT 8 280 #define AHCI_P_FBS_ADO 0x0000f000 281 #define AHCI_P_FBS_ADO_SHIFT 12 282 #define AHCI_P_FBS_DWE 0x000f0000 283 #define AHCI_P_FBS_DWE_SHIFT 16 284 285 /* Just to be sure, if building as module. */ 286 #if MAXPHYS < 512 * 1024 287 #undef MAXPHYS 288 #define MAXPHYS 512 * 1024 289 #endif 290 /* Pessimistic prognosis on number of required S/G entries */ 291 #define AHCI_SG_ENTRIES (roundup(btoc(MAXPHYS) + 1, 8)) 292 /* Command list. 32 commands. First, 1Kbyte aligned. */ 293 #define AHCI_CL_OFFSET 0 294 #define AHCI_CL_SIZE 32 295 /* Command tables. Up to 32 commands, Each, 128byte aligned. */ 296 #define AHCI_CT_OFFSET (AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS) 297 #define AHCI_CT_SIZE (128 + AHCI_SG_ENTRIES * 16) 298 /* Total main work area. */ 299 #define AHCI_WORK_SIZE (AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots) 300 301 struct ahci_dma_prd { 302 u_int64_t dba; 303 u_int32_t reserved; 304 u_int32_t dbc; /* 0 based */ 305 #define AHCI_PRD_MASK 0x003fffff /* max 4MB */ 306 #define AHCI_PRD_MAX (AHCI_PRD_MASK + 1) 307 #define AHCI_PRD_IPC (1 << 31) 308 } __packed; 309 310 struct ahci_cmd_tab { 311 u_int8_t cfis[64]; 312 u_int8_t acmd[32]; 313 u_int8_t reserved[32]; 314 struct ahci_dma_prd prd_tab[AHCI_SG_ENTRIES]; 315 } __packed; 316 317 struct ahci_cmd_list { 318 u_int16_t cmd_flags; 319 #define AHCI_CMD_ATAPI 0x0020 320 #define AHCI_CMD_WRITE 0x0040 321 #define AHCI_CMD_PREFETCH 0x0080 322 #define AHCI_CMD_RESET 0x0100 323 #define AHCI_CMD_BIST 0x0200 324 #define AHCI_CMD_CLR_BUSY 0x0400 325 326 u_int16_t prd_length; /* PRD entries */ 327 u_int32_t bytecount; 328 u_int64_t cmd_table_phys; /* 128byte aligned */ 329 } __packed; 330 331 /* misc defines */ 332 #define ATA_IRQ_RID 0 333 #define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY) 334 335 struct ata_dmaslot { 336 bus_dmamap_t data_map; /* data DMA map */ 337 int nsegs; /* Number of segs loaded */ 338 }; 339 340 /* structure holding DMA related information */ 341 struct ata_dma { 342 bus_dma_tag_t work_tag; /* workspace DMA tag */ 343 bus_dmamap_t work_map; /* workspace DMA map */ 344 uint8_t *work; /* workspace */ 345 bus_addr_t work_bus; /* bus address of work */ 346 bus_dma_tag_t rfis_tag; /* RFIS list DMA tag */ 347 bus_dmamap_t rfis_map; /* RFIS list DMA map */ 348 uint8_t *rfis; /* FIS receive area */ 349 bus_addr_t rfis_bus; /* bus address of rfis */ 350 bus_dma_tag_t data_tag; /* data DMA tag */ 351 }; 352 353 enum ahci_slot_states { 354 AHCI_SLOT_EMPTY, 355 AHCI_SLOT_LOADING, 356 AHCI_SLOT_RUNNING, 357 AHCI_SLOT_EXECUTING 358 }; 359 360 struct ahci_slot { 361 device_t dev; /* Device handle */ 362 u_int8_t slot; /* Number of this slot */ 363 enum ahci_slot_states state; /* Slot state */ 364 union ccb *ccb; /* CCB occupying slot */ 365 struct ata_dmaslot dma; /* DMA data of this slot */ 366 struct callout timeout; /* Execution timeout */ 367 }; 368 369 struct ahci_device { 370 int revision; 371 int mode; 372 u_int bytecount; 373 u_int atapi; 374 u_int tags; 375 u_int caps; 376 }; 377 378 struct ahci_led { 379 device_t dev; /* Device handle */ 380 struct cdev *led; 381 uint8_t num; /* Number of this led */ 382 uint8_t state; /* State of this led */ 383 }; 384 385 #define AHCI_NUM_LEDS 3 386 387 /* structure describing an ATA channel */ 388 struct ahci_channel { 389 device_t dev; /* Device handle */ 390 int unit; /* Physical channel */ 391 struct resource *r_mem; /* Memory of this channel */ 392 struct resource *r_irq; /* Interrupt of this channel */ 393 void *ih; /* Interrupt handle */ 394 struct ata_dma dma; /* DMA data */ 395 struct cam_sim *sim; 396 struct cam_path *path; 397 uint32_t caps; /* Controller capabilities */ 398 uint32_t caps2; /* Controller capabilities */ 399 uint32_t chcaps; /* Channel capabilities */ 400 int quirks; 401 int numslots; /* Number of present slots */ 402 int pm_level; /* power management level */ 403 404 struct ahci_slot slot[AHCI_MAX_SLOTS]; 405 union ccb *hold[AHCI_MAX_SLOTS]; 406 struct mtx mtx; /* state lock */ 407 int devices; /* What is present */ 408 int pm_present; /* PM presence reported */ 409 int fbs_enabled; /* FIS-based switching enabled */ 410 uint32_t oslots; /* Occupied slots */ 411 uint32_t rslots; /* Running slots */ 412 uint32_t aslots; /* Slots with atomic commands */ 413 uint32_t eslots; /* Slots in error */ 414 uint32_t toslots; /* Slots in timeout */ 415 int numrslots; /* Number of running slots */ 416 int numrslotspd[16];/* Number of running slots per dev */ 417 int numtslots; /* Number of tagged slots */ 418 int numtslotspd[16];/* Number of tagged slots per dev */ 419 int numhslots; /* Number of held slots */ 420 int recoverycmd; /* Our READ LOG active */ 421 int fatalerr; /* Fatal error happend */ 422 int lastslot; /* Last used slot */ 423 int taggedtarget; /* Last tagged target */ 424 int resetting; /* Hard-reset in progress. */ 425 int resetpolldiv; /* Hard-reset poll divider. */ 426 int listening; /* SUD bit is cleared. */ 427 int wrongccs; /* CCS field in CMD was wrong */ 428 union ccb *frozen; /* Frozen command */ 429 struct callout pm_timer; /* Power management events */ 430 struct callout reset_timer; /* Hard-reset timeout */ 431 432 struct ahci_device user[16]; /* User-specified settings */ 433 struct ahci_device curr[16]; /* Current settings */ 434 }; 435 436 struct ahci_enclosure { 437 device_t dev; /* Device handle */ 438 struct resource *r_memc; /* Control register */ 439 struct resource *r_memt; /* Transmit buffer */ 440 struct resource *r_memr; /* Recieve buffer */ 441 struct cam_sim *sim; 442 struct cam_path *path; 443 struct mtx mtx; /* state lock */ 444 struct ahci_led leds[AHCI_MAX_PORTS * 3]; 445 uint32_t capsem; /* Controller capabilities */ 446 uint8_t status[AHCI_MAX_PORTS][4]; /* ArrayDev statuses */ 447 int quirks; 448 int channels; 449 int ichannels; 450 }; 451 452 /* structure describing a AHCI controller */ 453 struct ahci_controller { 454 device_t dev; 455 bus_dma_tag_t dma_tag; 456 int r_rid; 457 struct resource *r_mem; 458 struct rman sc_iomem; 459 struct ahci_controller_irq { 460 struct ahci_controller *ctlr; 461 struct resource *r_irq; 462 void *handle; 463 int r_irq_rid; 464 int mode; 465 #define AHCI_IRQ_MODE_ALL 0 466 #define AHCI_IRQ_MODE_AFTER 1 467 #define AHCI_IRQ_MODE_ONE 2 468 } irqs[16]; 469 uint32_t caps; /* Controller capabilities */ 470 uint32_t caps2; /* Controller capabilities */ 471 uint32_t capsem; /* Controller capabilities */ 472 uint32_t emloc; /* EM buffer location */ 473 int quirks; 474 int numirqs; 475 int channels; 476 int ichannels; 477 int ccc; /* CCC timeout */ 478 int cccv; /* CCC vector */ 479 struct { 480 void (*function)(void *); 481 void *argument; 482 } interrupt[AHCI_MAX_PORTS]; 483 }; 484 485 enum ahci_err_type { 486 AHCI_ERR_NONE, /* No error */ 487 AHCI_ERR_INVALID, /* Error detected by us before submitting. */ 488 AHCI_ERR_INNOCENT, /* Innocent victim. */ 489 AHCI_ERR_TFE, /* Task File Error. */ 490 AHCI_ERR_SATA, /* SATA error. */ 491 AHCI_ERR_TIMEOUT, /* Command execution timeout. */ 492 AHCI_ERR_NCQ, /* NCQ command error. CCB should be put on hold 493 * until READ LOG executed to reveal error. */ 494 }; 495 496 /* macros to hide busspace uglyness */ 497 #define ATA_INB(res, offset) \ 498 bus_read_1((res), (offset)) 499 #define ATA_INW(res, offset) \ 500 bus_read_2((res), (offset)) 501 #define ATA_INL(res, offset) \ 502 bus_read_4((res), (offset)) 503 #define ATA_INSW(res, offset, addr, count) \ 504 bus_read_multi_2((res), (offset), (addr), (count)) 505 #define ATA_INSW_STRM(res, offset, addr, count) \ 506 bus_read_multi_stream_2((res), (offset), (addr), (count)) 507 #define ATA_INSL(res, offset, addr, count) \ 508 bus_read_multi_4((res), (offset), (addr), (count)) 509 #define ATA_INSL_STRM(res, offset, addr, count) \ 510 bus_read_multi_stream_4((res), (offset), (addr), (count)) 511 #define ATA_OUTB(res, offset, value) \ 512 bus_write_1((res), (offset), (value)) 513 #define ATA_OUTW(res, offset, value) \ 514 bus_write_2((res), (offset), (value)) 515 #define ATA_OUTL(res, offset, value) \ 516 bus_write_4((res), (offset), (value)) 517 #define ATA_OUTSW(res, offset, addr, count) \ 518 bus_write_multi_2((res), (offset), (addr), (count)) 519 #define ATA_OUTSW_STRM(res, offset, addr, count) \ 520 bus_write_multi_stream_2((res), (offset), (addr), (count)) 521 #define ATA_OUTSL(res, offset, addr, count) \ 522 bus_write_multi_4((res), (offset), (addr), (count)) 523 #define ATA_OUTSL_STRM(res, offset, addr, count) \ 524 bus_write_multi_stream_4((res), (offset), (addr), (count)) 525