1 /*- 2 * Copyright (c) 1998 - 2007 S�ren Schmidt <sos@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 /* ATA register defines */ 30 #define ATA_DATA 0 /* (RW) data */ 31 32 #define ATA_FEATURE 1 /* (W) feature */ 33 #define ATA_F_DMA 0x01 /* enable DMA */ 34 #define ATA_F_OVL 0x02 /* enable overlap */ 35 36 #define ATA_COUNT 2 /* (W) sector count */ 37 38 #define ATA_SECTOR 3 /* (RW) sector # */ 39 #define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */ 40 #define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */ 41 #define ATA_DRIVE 6 /* (W) Sector/Drive/Head */ 42 #define ATA_D_LBA 0x40 /* use LBA addressing */ 43 #define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */ 44 45 #define ATA_COMMAND 7 /* (W) command */ 46 47 #define ATA_ERROR 8 /* (R) error */ 48 #define ATA_E_ILI 0x01 /* illegal length */ 49 #define ATA_E_NM 0x02 /* no media */ 50 #define ATA_E_ABORT 0x04 /* command aborted */ 51 #define ATA_E_MCR 0x08 /* media change request */ 52 #define ATA_E_IDNF 0x10 /* ID not found */ 53 #define ATA_E_MC 0x20 /* media changed */ 54 #define ATA_E_UNC 0x40 /* uncorrectable data */ 55 #define ATA_E_ICRC 0x80 /* UDMA crc error */ 56 #define ATA_E_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */ 57 58 #define ATA_IREASON 9 /* (R) interrupt reason */ 59 #define ATA_I_CMD 0x01 /* cmd (1) | data (0) */ 60 #define ATA_I_IN 0x02 /* read (1) | write (0) */ 61 #define ATA_I_RELEASE 0x04 /* released bus (1) */ 62 #define ATA_I_TAGMASK 0xf8 /* tag mask */ 63 64 #define ATA_STATUS 10 /* (R) status */ 65 #define ATA_ALTSTAT 11 /* (R) alternate status */ 66 #define ATA_S_ERROR 0x01 /* error */ 67 #define ATA_S_INDEX 0x02 /* index */ 68 #define ATA_S_CORR 0x04 /* data corrected */ 69 #define ATA_S_DRQ 0x08 /* data request */ 70 #define ATA_S_DSC 0x10 /* drive seek completed */ 71 #define ATA_S_SERVICE 0x10 /* drive needs service */ 72 #define ATA_S_DWF 0x20 /* drive write fault */ 73 #define ATA_S_DMA 0x20 /* DMA ready */ 74 #define ATA_S_READY 0x40 /* drive ready */ 75 #define ATA_S_BUSY 0x80 /* busy */ 76 77 #define ATA_CONTROL 12 /* (W) control */ 78 79 #define ATA_CTLOFFSET 0x206 /* control register offset */ 80 #define ATA_PCCARD_CTLOFFSET 0x0e /* do for PCCARD devices */ 81 #define ATA_PC98_CTLOFFSET 0x10c /* do for PC98 devices */ 82 #define ATA_A_IDS 0x02 /* disable interrupts */ 83 #define ATA_A_RESET 0x04 /* RESET controller */ 84 #define ATA_A_4BIT 0x08 /* 4 head bits */ 85 #define ATA_A_HOB 0x80 /* High Order Byte enable */ 86 87 /* SATA register defines */ 88 #define ATA_SSTATUS 13 89 #define ATA_SS_DET_MASK 0x0000000f 90 #define ATA_SS_DET_NO_DEVICE 0x00000000 91 #define ATA_SS_DET_DEV_PRESENT 0x00000001 92 #define ATA_SS_DET_PHY_ONLINE 0x00000003 93 #define ATA_SS_DET_PHY_OFFLINE 0x00000004 94 95 #define ATA_SS_SPD_MASK 0x000000f0 96 #define ATA_SS_SPD_NO_SPEED 0x00000000 97 #define ATA_SS_SPD_GEN1 0x00000010 98 #define ATA_SS_SPD_GEN2 0x00000020 99 100 #define ATA_SS_IPM_MASK 0x00000f00 101 #define ATA_SS_IPM_NO_DEVICE 0x00000000 102 #define ATA_SS_IPM_ACTIVE 0x00000100 103 #define ATA_SS_IPM_PARTIAL 0x00000200 104 #define ATA_SS_IPM_SLUMBER 0x00000600 105 106 #define ATA_SS_CONWELL_MASK \ 107 (ATA_SS_DET_MASK|ATA_SS_SPD_MASK|ATA_SS_IPM_MASK) 108 #define ATA_SS_CONWELL_GEN1 \ 109 (ATA_SS_DET_PHY_ONLINE|ATA_SS_SPD_GEN1|ATA_SS_IPM_ACTIVE) 110 #define ATA_SS_CONWELL_GEN2 \ 111 (ATA_SS_DET_PHY_ONLINE|ATA_SS_SPD_GEN2|ATA_SS_IPM_ACTIVE) 112 113 #define ATA_SERROR 14 114 #define ATA_SE_DATA_CORRECTED 0x00000001 115 #define ATA_SE_COMM_CORRECTED 0x00000002 116 #define ATA_SE_DATA_ERR 0x00000100 117 #define ATA_SE_COMM_ERR 0x00000200 118 #define ATA_SE_PROT_ERR 0x00000400 119 #define ATA_SE_HOST_ERR 0x00000800 120 #define ATA_SE_PHY_CHANGED 0x00010000 121 #define ATA_SE_PHY_IERROR 0x00020000 122 #define ATA_SE_COMM_WAKE 0x00040000 123 #define ATA_SE_DECODE_ERR 0x00080000 124 #define ATA_SE_PARITY_ERR 0x00100000 125 #define ATA_SE_CRC_ERR 0x00200000 126 #define ATA_SE_HANDSHAKE_ERR 0x00400000 127 #define ATA_SE_LINKSEQ_ERR 0x00800000 128 #define ATA_SE_TRANSPORT_ERR 0x01000000 129 #define ATA_SE_UNKNOWN_FIS 0x02000000 130 131 #define ATA_SCONTROL 15 132 #define ATA_SC_DET_MASK 0x0000000f 133 #define ATA_SC_DET_IDLE 0x00000000 134 #define ATA_SC_DET_RESET 0x00000001 135 #define ATA_SC_DET_DISABLE 0x00000004 136 137 #define ATA_SC_SPD_MASK 0x000000f0 138 #define ATA_SC_SPD_NO_SPEED 0x00000000 139 #define ATA_SC_SPD_SPEED_GEN1 0x00000010 140 #define ATA_SC_SPD_SPEED_GEN2 0x00000020 141 142 #define ATA_SC_IPM_MASK 0x00000f00 143 #define ATA_SC_IPM_NONE 0x00000000 144 #define ATA_SC_IPM_DIS_PARTIAL 0x00000100 145 #define ATA_SC_IPM_DIS_SLUMBER 0x00000200 146 147 #define ATA_SACTIVE 16 148 149 /* SATA AHCI v1.0 register defines */ 150 #define ATA_AHCI_CAP 0x00 151 #define ATA_AHCI_NPMASK 0x1f 152 #define ATA_AHCI_CAP_CLO 0x01000000 153 #define ATA_AHCI_CAP_64BIT 0x80000000 154 155 #define ATA_AHCI_GHC 0x04 156 #define ATA_AHCI_GHC_AE 0x80000000 157 #define ATA_AHCI_GHC_IE 0x00000002 158 #define ATA_AHCI_GHC_HR 0x80000001 159 160 #define ATA_AHCI_IS 0x08 161 #define ATA_AHCI_PI 0x0c 162 #define ATA_AHCI_VS 0x10 163 164 #define ATA_AHCI_OFFSET 0x80 165 166 #define ATA_AHCI_P_CLB 0x100 167 #define ATA_AHCI_P_CLBU 0x104 168 #define ATA_AHCI_P_FB 0x108 169 #define ATA_AHCI_P_FBU 0x10c 170 #define ATA_AHCI_P_IS 0x110 171 #define ATA_AHCI_P_IE 0x114 172 #define ATA_AHCI_P_IX_DHR 0x00000001 173 #define ATA_AHCI_P_IX_PS 0x00000002 174 #define ATA_AHCI_P_IX_DS 0x00000004 175 #define ATA_AHCI_P_IX_SDB 0x00000008 176 #define ATA_AHCI_P_IX_UF 0x00000010 177 #define ATA_AHCI_P_IX_DP 0x00000020 178 #define ATA_AHCI_P_IX_PC 0x00000040 179 #define ATA_AHCI_P_IX_DI 0x00000080 180 181 #define ATA_AHCI_P_IX_PRC 0x00400000 182 #define ATA_AHCI_P_IX_IPM 0x00800000 183 #define ATA_AHCI_P_IX_OF 0x01000000 184 #define ATA_AHCI_P_IX_INF 0x04000000 185 #define ATA_AHCI_P_IX_IF 0x08000000 186 #define ATA_AHCI_P_IX_HBD 0x10000000 187 #define ATA_AHCI_P_IX_HBF 0x20000000 188 #define ATA_AHCI_P_IX_TFE 0x40000000 189 #define ATA_AHCI_P_IX_CPD 0x80000000 190 191 #define ATA_AHCI_P_CMD 0x118 192 #define ATA_AHCI_P_CMD_ST 0x00000001 193 #define ATA_AHCI_P_CMD_SUD 0x00000002 194 #define ATA_AHCI_P_CMD_POD 0x00000004 195 #define ATA_AHCI_P_CMD_CLO 0x00000008 196 #define ATA_AHCI_P_CMD_FRE 0x00000010 197 #define ATA_AHCI_P_CMD_CCS_MASK 0x00001f00 198 #define ATA_AHCI_P_CMD_ISS 0x00002000 199 #define ATA_AHCI_P_CMD_FR 0x00004000 200 #define ATA_AHCI_P_CMD_CR 0x00008000 201 #define ATA_AHCI_P_CMD_CPS 0x00010000 202 #define ATA_AHCI_P_CMD_PMA 0x00020000 203 #define ATA_AHCI_P_CMD_HPCP 0x00040000 204 #define ATA_AHCI_P_CMD_ISP 0x00080000 205 #define ATA_AHCI_P_CMD_CPD 0x00100000 206 #define ATA_AHCI_P_CMD_ATAPI 0x01000000 207 #define ATA_AHCI_P_CMD_DLAE 0x02000000 208 #define ATA_AHCI_P_CMD_ALPE 0x04000000 209 #define ATA_AHCI_P_CMD_ASP 0x08000000 210 #define ATA_AHCI_P_CMD_ICC_MASK 0xf0000000 211 #define ATA_AHCI_P_CMD_NOOP 0x00000000 212 #define ATA_AHCI_P_CMD_ACTIVE 0x10000000 213 #define ATA_AHCI_P_CMD_PARTIAL 0x20000000 214 #define ATA_AHCI_P_CMD_SLUMPER 0x60000000 215 216 #define ATA_AHCI_P_TFD 0x120 217 #define ATA_AHCI_P_SIG 0x124 218 #define ATA_AHCI_P_SSTS 0x128 219 #define ATA_AHCI_P_SCTL 0x12c 220 #define ATA_AHCI_P_SERR 0x130 221 #define ATA_AHCI_P_SACT 0x134 222 #define ATA_AHCI_P_CI 0x138 223 224 #define ATA_AHCI_CL_SIZE 32 225 #define ATA_AHCI_CL_OFFSET 0 226 #define ATA_AHCI_FB_OFFSET 1024 227 #define ATA_AHCI_CT_OFFSET 1024+256 228 #define ATA_AHCI_CT_SG_OFFSET 128 229 #define ATA_AHCI_CT_SIZE 256 230 231 struct ata_ahci_dma_prd { 232 u_int64_t dba; 233 u_int32_t reserved; 234 u_int32_t dbc; /* 0 based */ 235 #define ATA_AHCI_PRD_MASK 0x003fffff /* max 4MB */ 236 #define ATA_AHCI_PRD_IPC (1<<31) 237 } __packed; 238 239 struct ata_ahci_cmd_tab { 240 u_int8_t cfis[64]; 241 u_int8_t acmd[32]; 242 u_int8_t reserved[32]; 243 struct ata_ahci_dma_prd prd_tab[16]; 244 } __packed; 245 246 struct ata_ahci_cmd_list { 247 u_int16_t cmd_flags; 248 u_int16_t prd_length; /* PRD entries */ 249 u_int32_t bytecount; 250 u_int64_t cmd_table_phys; /* 128byte aligned */ 251 } __packed; 252 253 254 /* DMA register defines */ 255 #define ATA_DMA_ENTRIES 256 256 #define ATA_DMA_EOT 0x80000000 257 258 #define ATA_BMCMD_PORT 17 259 #define ATA_BMCMD_START_STOP 0x01 260 #define ATA_BMCMD_WRITE_READ 0x08 261 262 #define ATA_BMDEVSPEC_0 18 263 #define ATA_BMSTAT_PORT 19 264 #define ATA_BMSTAT_ACTIVE 0x01 265 #define ATA_BMSTAT_ERROR 0x02 266 #define ATA_BMSTAT_INTERRUPT 0x04 267 #define ATA_BMSTAT_MASK 0x07 268 #define ATA_BMSTAT_DMA_MASTER 0x20 269 #define ATA_BMSTAT_DMA_SLAVE 0x40 270 #define ATA_BMSTAT_DMA_SIMPLEX 0x80 271 272 #define ATA_BMDEVSPEC_1 20 273 #define ATA_BMDTP_PORT 21 274 275 #define ATA_IDX_ADDR 22 276 #define ATA_IDX_DATA 23 277 #define ATA_MAX_RES 24 278 279 /* misc defines */ 280 #define ATA_PRIMARY 0x1f0 281 #define ATA_SECONDARY 0x170 282 #define ATA_PC98_BANK 0x432 283 #define ATA_IOSIZE 0x08 284 #define ATA_PC98_IOSIZE 0x10 285 #define ATA_CTLIOSIZE 0x01 286 #define ATA_BMIOSIZE 0x08 287 #define ATA_PC98_BANKIOSIZE 0x01 288 #define ATA_IOADDR_RID 0 289 #define ATA_CTLADDR_RID 1 290 #define ATA_BMADDR_RID 0x20 291 #define ATA_PC98_CTLADDR_RID 8 292 #define ATA_PC98_BANKADDR_RID 9 293 #define ATA_IRQ_RID 0 294 #define ATA_DEV(device) ((device == ATA_MASTER) ? 0 : 1) 295 #define ATA_CFA_MAGIC1 0x844A 296 #define ATA_CFA_MAGIC2 0x848A 297 #define ATAPI_MAGIC_LSB 0x14 298 #define ATAPI_MAGIC_MSB 0xeb 299 #define ATAPI_P_READ (ATA_S_DRQ | ATA_I_IN) 300 #define ATAPI_P_WRITE (ATA_S_DRQ) 301 #define ATAPI_P_CMDOUT (ATA_S_DRQ | ATA_I_CMD) 302 #define ATAPI_P_DONEDRQ (ATA_S_DRQ | ATA_I_CMD | ATA_I_IN) 303 #define ATAPI_P_DONE (ATA_I_CMD | ATA_I_IN) 304 #define ATAPI_P_ABORT 0 305 #define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY) 306 #define ATA_OP_CONTINUES 0 307 #define ATA_OP_FINISHED 1 308 #define ATA_MAX_28BIT_LBA 268435455UL 309 310 /* structure used for composite atomic operations */ 311 #define MAX_COMPOSITES 32 /* u_int32_t bits */ 312 struct ata_composite { 313 struct mtx lock; /* control lock */ 314 u_int32_t rd_needed; /* needed read subdisks */ 315 u_int32_t rd_done; /* done read subdisks */ 316 u_int32_t wr_needed; /* needed write subdisks */ 317 u_int32_t wr_depend; /* write depends on subdisks */ 318 u_int32_t wr_done; /* done write subdisks */ 319 struct ata_request *request[MAX_COMPOSITES]; 320 u_int32_t residual; /* bytes still to transfer */ 321 caddr_t data_1; 322 caddr_t data_2; 323 }; 324 325 /* structure used to queue an ATA/ATAPI request */ 326 struct ata_request { 327 device_t dev; /* device handle */ 328 device_t parent; /* channel handle */ 329 union { 330 struct { 331 u_int8_t command; /* command reg */ 332 u_int16_t feature; /* feature reg */ 333 u_int16_t count; /* count reg */ 334 u_int64_t lba; /* lba reg */ 335 } ata; 336 struct { 337 u_int8_t ccb[16]; /* ATAPI command block */ 338 struct atapi_sense sense; /* ATAPI request sense data */ 339 u_int8_t saved_cmd; /* ATAPI saved command */ 340 } atapi; 341 } u; 342 u_int32_t bytecount; /* bytes to transfer */ 343 u_int32_t transfersize; /* bytes pr transfer */ 344 caddr_t data; /* pointer to data buf */ 345 int flags; 346 #define ATA_R_CONTROL 0x00000001 347 #define ATA_R_READ 0x00000002 348 #define ATA_R_WRITE 0x00000004 349 #define ATA_R_ATAPI 0x00000008 350 #define ATA_R_DMA 0x00000010 351 #define ATA_R_QUIET 0x00000020 352 #define ATA_R_TIMEOUT 0x00000040 353 354 #define ATA_R_ORDERED 0x00000100 355 #define ATA_R_AT_HEAD 0x00000200 356 #define ATA_R_REQUEUE 0x00000400 357 #define ATA_R_THREAD 0x00000800 358 #define ATA_R_DIRECT 0x00001000 359 360 #define ATA_R_DEBUG 0x10000000 361 #define ATA_R_DANGER1 0x20000000 362 #define ATA_R_DANGER2 0x40000000 363 364 u_int8_t status; /* ATA status */ 365 u_int8_t error; /* ATA error */ 366 u_int8_t dmastat; /* DMA status */ 367 u_int32_t donecount; /* bytes transferred */ 368 int result; /* result error code */ 369 void (*callback)(struct ata_request *request); 370 struct sema done; /* request done sema */ 371 int retries; /* retry count */ 372 int timeout; /* timeout for this cmd */ 373 struct callout callout; /* callout management */ 374 struct task task; /* task management */ 375 struct bio *bio; /* bio for this request */ 376 int this; /* this request ID */ 377 struct ata_composite *composite; /* for composite atomic ops */ 378 void *driver; /* driver specific */ 379 TAILQ_ENTRY(ata_request) chain; /* list management */ 380 }; 381 382 /* define this for debugging request processing */ 383 #if 0 384 #define ATA_DEBUG_RQ(request, string) \ 385 { \ 386 if (request->flags & ATA_R_DEBUG) \ 387 device_printf(request->dev, "req=%p %s " string "\n", \ 388 request, ata_cmd2str(request)); \ 389 } 390 #else 391 #define ATA_DEBUG_RQ(request, string) 392 #endif 393 394 395 /* structure describing an ATA/ATAPI device */ 396 struct ata_device { 397 device_t dev; /* device handle */ 398 int unit; /* physical unit */ 399 #define ATA_MASTER 0x00 400 #define ATA_SLAVE 0x10 401 402 struct ata_params param; /* ata param structure */ 403 int mode; /* current transfermode */ 404 u_int32_t max_iosize; /* max IO size */ 405 int flags; 406 #define ATA_D_USE_CHS 0x0001 407 #define ATA_D_MEDIA_CHANGED 0x0002 408 #define ATA_D_ENC_PRESENT 0x0004 409 #define ATA_D_48BIT_ACTIVE 0x0008 410 }; 411 412 /* structure for holding DMA Physical Region Descriptors (PRD) entries */ 413 struct ata_dma_prdentry { 414 u_int32_t addr; 415 u_int32_t count; 416 }; 417 418 /* structure used by the setprd function */ 419 struct ata_dmasetprd_args { 420 void *dmatab; 421 int nsegs; 422 int error; 423 }; 424 425 /* structure holding DMA related information */ 426 struct ata_dma { 427 bus_dma_tag_t dmatag; /* parent DMA tag */ 428 bus_dma_tag_t sg_tag; /* SG list DMA tag */ 429 bus_dmamap_t sg_map; /* SG list DMA map */ 430 void *sg; /* DMA transfer table */ 431 bus_addr_t sg_bus; /* bus address of dmatab */ 432 bus_dma_tag_t data_tag; /* data DMA tag */ 433 bus_dmamap_t data_map; /* data DMA map */ 434 bus_dma_tag_t work_tag; /* workspace DMA tag */ 435 bus_dmamap_t work_map; /* workspace DMA map */ 436 u_int8_t *work; /* workspace */ 437 bus_addr_t work_bus; /* bus address of dmatab */ 438 439 u_int32_t alignment; /* DMA SG list alignment */ 440 u_int32_t boundary; /* DMA SG list boundary */ 441 u_int32_t segsize; /* DMA SG list segment size */ 442 u_int32_t max_iosize; /* DMA data max IO size */ 443 u_int32_t cur_iosize; /* DMA data current IO size */ 444 int flags; 445 #define ATA_DMA_READ 0x01 /* transaction is a read */ 446 #define ATA_DMA_LOADED 0x02 /* DMA tables etc loaded */ 447 #define ATA_DMA_ACTIVE 0x04 /* DMA transfer in progress */ 448 449 void (*alloc)(device_t dev); 450 void (*free)(device_t dev); 451 void (*setprd)(void *xsc, bus_dma_segment_t *segs, int nsegs, int error); 452 int (*load)(device_t dev, caddr_t data, int32_t count, int dir, void *addr, int *nsegs); 453 int (*unload)(device_t dev); 454 int (*start)(device_t dev); 455 int (*stop)(device_t dev); 456 void (*reset)(device_t dev); 457 }; 458 459 /* structure holding lowlevel functions */ 460 struct ata_lowlevel { 461 int (*status)(device_t dev); 462 int (*begin_transaction)(struct ata_request *request); 463 int (*end_transaction)(struct ata_request *request); 464 int (*command)(struct ata_request *request); 465 }; 466 467 /* structure holding resources for an ATA channel */ 468 struct ata_resource { 469 struct resource *res; 470 int offset; 471 }; 472 473 /* structure describing an ATA channel */ 474 struct ata_channel { 475 device_t dev; /* device handle */ 476 int unit; /* physical channel */ 477 struct ata_resource r_io[ATA_MAX_RES];/* I/O resources */ 478 struct resource *r_irq; /* interrupt of this channel */ 479 void *ih; /* interrupt handle */ 480 struct ata_lowlevel hw; /* lowlevel HW functions */ 481 struct ata_dma *dma; /* DMA data / functions */ 482 int flags; /* channel flags */ 483 #define ATA_NO_SLAVE 0x01 484 #define ATA_USE_16BIT 0x02 485 #define ATA_ATAPI_DMA_RO 0x04 486 #define ATA_NO_48BIT_DMA 0x08 487 #define ATA_ALWAYS_DMASTAT 0x10 488 489 int devices; /* what is present */ 490 #define ATA_ATA_MASTER 0x01 491 #define ATA_ATA_SLAVE 0x02 492 #define ATA_ATAPI_MASTER 0x04 493 #define ATA_ATAPI_SLAVE 0x08 494 #define ATA_PORTMULTIPLIER 0x10 495 496 struct mtx state_mtx; /* state lock */ 497 int state; /* ATA channel state */ 498 #define ATA_IDLE 0x0000 499 #define ATA_ACTIVE 0x0001 500 #define ATA_STALL_QUEUE 0x0002 501 502 struct mtx queue_mtx; /* queue lock */ 503 TAILQ_HEAD(, ata_request) ata_queue; /* head of ATA queue */ 504 struct ata_request *freezepoint; /* composite freezepoint */ 505 struct ata_request *running; /* currently running request */ 506 }; 507 508 /* disk bay/enclosure related */ 509 #define ATA_LED_OFF 0x00 510 #define ATA_LED_RED 0x01 511 #define ATA_LED_GREEN 0x02 512 #define ATA_LED_ORANGE 0x03 513 #define ATA_LED_MASK 0x03 514 515 /* externs */ 516 extern int (*ata_raid_ioctl_func)(u_long cmd, caddr_t data); 517 extern struct intr_config_hook *ata_delayed_attach; 518 extern devclass_t ata_devclass; 519 extern int ata_wc; 520 521 /* public prototypes */ 522 /* ata-all.c: */ 523 int ata_probe(device_t dev); 524 int ata_attach(device_t dev); 525 int ata_detach(device_t dev); 526 int ata_reinit(device_t dev); 527 int ata_suspend(device_t dev); 528 int ata_resume(device_t dev); 529 int ata_interrupt(void *data); 530 int ata_device_ioctl(device_t dev, u_long cmd, caddr_t data); 531 int ata_identify(device_t dev); 532 void ata_default_registers(device_t dev); 533 void ata_modify_if_48bit(struct ata_request *request); 534 void ata_udelay(int interval); 535 char *ata_mode2str(int mode); 536 int ata_pmode(struct ata_params *ap); 537 int ata_wmode(struct ata_params *ap); 538 int ata_umode(struct ata_params *ap); 539 int ata_limit_mode(device_t dev, int mode, int maxmode); 540 541 /* ata-queue.c: */ 542 int ata_controlcmd(device_t dev, u_int8_t command, u_int16_t feature, u_int64_t lba, u_int16_t count); 543 int ata_atapicmd(device_t dev, u_int8_t *ccb, caddr_t data, int count, int flags, int timeout); 544 void ata_queue_request(struct ata_request *request); 545 void ata_start(device_t dev); 546 void ata_finish(struct ata_request *request); 547 void ata_timeout(struct ata_request *); 548 void ata_catch_inflight(device_t dev); 549 void ata_fail_requests(device_t dev); 550 char *ata_cmd2str(struct ata_request *request); 551 552 /* ata-lowlevel.c: */ 553 void ata_generic_hw(device_t dev); 554 int ata_begin_transaction(struct ata_request *); 555 int ata_end_transaction(struct ata_request *); 556 void ata_generic_reset(device_t dev); 557 int ata_generic_command(struct ata_request *request); 558 559 /* macros for alloc/free of struct ata_request */ 560 extern uma_zone_t ata_request_zone; 561 #define ata_alloc_request() uma_zalloc(ata_request_zone, M_NOWAIT | M_ZERO) 562 #define ata_free_request(request) { \ 563 if (!(request->flags & ATA_R_DANGER2)) \ 564 uma_zfree(ata_request_zone, request); \ 565 } 566 /* macros for alloc/free of struct ata_composite */ 567 extern uma_zone_t ata_composite_zone; 568 #define ata_alloc_composite() uma_zalloc(ata_composite_zone, M_NOWAIT | M_ZERO) 569 #define ata_free_composite(composite) uma_zfree(ata_composite_zone, composite) 570 571 MALLOC_DECLARE(M_ATA); 572 573 /* misc newbus defines */ 574 #define GRANDPARENT(dev) device_get_parent(device_get_parent(dev)) 575 576 /* macros to hide busspace uglyness */ 577 #define ATA_INB(res, offset) \ 578 bus_space_read_1(rman_get_bustag((res)), \ 579 rman_get_bushandle((res)), (offset)) 580 581 #define ATA_INW(res, offset) \ 582 bus_space_read_2(rman_get_bustag((res)), \ 583 rman_get_bushandle((res)), (offset)) 584 #define ATA_INL(res, offset) \ 585 bus_space_read_4(rman_get_bustag((res)), \ 586 rman_get_bushandle((res)), (offset)) 587 #define ATA_INSW(res, offset, addr, count) \ 588 bus_space_read_multi_2(rman_get_bustag((res)), \ 589 rman_get_bushandle((res)), \ 590 (offset), (addr), (count)) 591 #define ATA_INSW_STRM(res, offset, addr, count) \ 592 bus_space_read_multi_stream_2(rman_get_bustag((res)), \ 593 rman_get_bushandle((res)), \ 594 (offset), (addr), (count)) 595 #define ATA_INSL(res, offset, addr, count) \ 596 bus_space_read_multi_4(rman_get_bustag((res)), \ 597 rman_get_bushandle((res)), \ 598 (offset), (addr), (count)) 599 #define ATA_INSL_STRM(res, offset, addr, count) \ 600 bus_space_read_multi_stream_4(rman_get_bustag((res)), \ 601 rman_get_bushandle((res)), \ 602 (offset), (addr), (count)) 603 #define ATA_OUTB(res, offset, value) \ 604 bus_space_write_1(rman_get_bustag((res)), \ 605 rman_get_bushandle((res)), (offset), (value)) 606 #define ATA_OUTW(res, offset, value) \ 607 bus_space_write_2(rman_get_bustag((res)), \ 608 rman_get_bushandle((res)), (offset), (value)) 609 #define ATA_OUTL(res, offset, value) \ 610 bus_space_write_4(rman_get_bustag((res)), \ 611 rman_get_bushandle((res)), (offset), (value)) 612 #define ATA_OUTSW(res, offset, addr, count) \ 613 bus_space_write_multi_2(rman_get_bustag((res)), \ 614 rman_get_bushandle((res)), \ 615 (offset), (addr), (count)) 616 #define ATA_OUTSW_STRM(res, offset, addr, count) \ 617 bus_space_write_multi_stream_2(rman_get_bustag((res)), \ 618 rman_get_bushandle((res)), \ 619 (offset), (addr), (count)) 620 #define ATA_OUTSL(res, offset, addr, count) \ 621 bus_space_write_multi_4(rman_get_bustag((res)), \ 622 rman_get_bushandle((res)), \ 623 (offset), (addr), (count)) 624 #define ATA_OUTSL_STRM(res, offset, addr, count) \ 625 bus_space_write_multi_stream_4(rman_get_bustag((res)), \ 626 rman_get_bushandle((res)), \ 627 (offset), (addr), (count)) 628 629 #define ATA_IDX_INB(ch, idx) \ 630 ATA_INB(ch->r_io[idx].res, ch->r_io[idx].offset) 631 632 #define ATA_IDX_INW(ch, idx) \ 633 ATA_INW(ch->r_io[idx].res, ch->r_io[idx].offset) 634 635 #define ATA_IDX_INL(ch, idx) \ 636 ATA_INL(ch->r_io[idx].res, ch->r_io[idx].offset) 637 638 #define ATA_IDX_INSW(ch, idx, addr, count) \ 639 ATA_INSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 640 641 #define ATA_IDX_INSW_STRM(ch, idx, addr, count) \ 642 ATA_INSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 643 644 #define ATA_IDX_INSL(ch, idx, addr, count) \ 645 ATA_INSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 646 647 #define ATA_IDX_INSL_STRM(ch, idx, addr, count) \ 648 ATA_INSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 649 650 #define ATA_IDX_OUTB(ch, idx, value) \ 651 ATA_OUTB(ch->r_io[idx].res, ch->r_io[idx].offset, value) 652 653 #define ATA_IDX_OUTW(ch, idx, value) \ 654 ATA_OUTW(ch->r_io[idx].res, ch->r_io[idx].offset, value) 655 656 #define ATA_IDX_OUTL(ch, idx, value) \ 657 ATA_OUTL(ch->r_io[idx].res, ch->r_io[idx].offset, value) 658 659 #define ATA_IDX_OUTSW(ch, idx, addr, count) \ 660 ATA_OUTSW(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 661 662 #define ATA_IDX_OUTSW_STRM(ch, idx, addr, count) \ 663 ATA_OUTSW_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 664 665 #define ATA_IDX_OUTSL(ch, idx, addr, count) \ 666 ATA_OUTSL(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 667 668 #define ATA_IDX_OUTSL_STRM(ch, idx, addr, count) \ 669 ATA_OUTSL_STRM(ch->r_io[idx].res, ch->r_io[idx].offset, addr, count) 670