1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org> 5 * Copyright (c) 2009-2012 Alexander Motin <mav@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer, 13 * without modification, immediately at the beginning of the file. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 /* ATA register defines */ 33 #define ATA_DATA 0 /* (RW) data */ 34 35 #define ATA_FEATURE 1 /* (W) feature */ 36 #define ATA_F_DMA 0x01 /* enable DMA */ 37 #define ATA_F_OVL 0x02 /* enable overlap */ 38 39 #define ATA_COUNT 2 /* (W) sector count */ 40 41 #define ATA_SECTOR 3 /* (RW) sector # */ 42 #define ATA_CYL_LSB 4 /* (RW) cylinder# LSB */ 43 #define ATA_CYL_MSB 5 /* (RW) cylinder# MSB */ 44 #define ATA_DRIVE 6 /* (W) Sector/Drive/Head */ 45 #define ATA_D_LBA 0x40 /* use LBA addressing */ 46 #define ATA_D_IBM 0xa0 /* 512 byte sectors, ECC */ 47 48 #define ATA_COMMAND 7 /* (W) command */ 49 50 #define ATA_ERROR 8 /* (R) error */ 51 #define ATA_E_ILI 0x01 /* illegal length */ 52 #define ATA_E_NM 0x02 /* no media */ 53 #define ATA_E_ABORT 0x04 /* command aborted */ 54 #define ATA_E_MCR 0x08 /* media change request */ 55 #define ATA_E_IDNF 0x10 /* ID not found */ 56 #define ATA_E_MC 0x20 /* media changed */ 57 #define ATA_E_UNC 0x40 /* uncorrectable data */ 58 #define ATA_E_ICRC 0x80 /* UDMA crc error */ 59 #define ATA_E_ATAPI_SENSE_MASK 0xf0 /* ATAPI sense key mask */ 60 61 #define ATA_IREASON 9 /* (R) interrupt reason */ 62 #define ATA_I_CMD 0x01 /* cmd (1) | data (0) */ 63 #define ATA_I_IN 0x02 /* read (1) | write (0) */ 64 #define ATA_I_RELEASE 0x04 /* released bus (1) */ 65 #define ATA_I_TAGMASK 0xf8 /* tag mask */ 66 67 #define ATA_STATUS 10 /* (R) status */ 68 #define ATA_ALTSTAT 11 /* (R) alternate status */ 69 #define ATA_S_ERROR 0x01 /* error */ 70 #define ATA_S_INDEX 0x02 /* index */ 71 #define ATA_S_CORR 0x04 /* data corrected */ 72 #define ATA_S_DRQ 0x08 /* data request */ 73 #define ATA_S_DSC 0x10 /* drive seek completed */ 74 #define ATA_S_SERVICE 0x10 /* drive needs service */ 75 #define ATA_S_DWF 0x20 /* drive write fault */ 76 #define ATA_S_DMA 0x20 /* DMA ready */ 77 #define ATA_S_READY 0x40 /* drive ready */ 78 #define ATA_S_BUSY 0x80 /* busy */ 79 80 #define ATA_CONTROL 12 /* (W) control */ 81 #define ATA_A_IDS 0x02 /* disable interrupts */ 82 #define ATA_A_RESET 0x04 /* RESET controller */ 83 #define ATA_A_4BIT 0x08 /* 4 head bits */ 84 #define ATA_A_HOB 0x80 /* High Order Byte enable */ 85 86 /* SATA register defines */ 87 #define ATA_SSTATUS 13 88 #define ATA_SS_DET_MASK 0x0000000f 89 #define ATA_SS_DET_NO_DEVICE 0x00000000 90 #define ATA_SS_DET_DEV_PRESENT 0x00000001 91 #define ATA_SS_DET_PHY_ONLINE 0x00000003 92 #define ATA_SS_DET_PHY_OFFLINE 0x00000004 93 94 #define ATA_SS_SPD_MASK 0x000000f0 95 #define ATA_SS_SPD_NO_SPEED 0x00000000 96 #define ATA_SS_SPD_GEN1 0x00000010 97 #define ATA_SS_SPD_GEN2 0x00000020 98 #define ATA_SS_SPD_GEN3 0x00000030 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 #define ATA_SS_IPM_DEVSLEEP 0x00000800 106 107 #define ATA_SERROR 14 108 #define ATA_SE_DATA_CORRECTED 0x00000001 109 #define ATA_SE_COMM_CORRECTED 0x00000002 110 #define ATA_SE_DATA_ERR 0x00000100 111 #define ATA_SE_COMM_ERR 0x00000200 112 #define ATA_SE_PROT_ERR 0x00000400 113 #define ATA_SE_HOST_ERR 0x00000800 114 #define ATA_SE_PHY_CHANGED 0x00010000 115 #define ATA_SE_PHY_IERROR 0x00020000 116 #define ATA_SE_COMM_WAKE 0x00040000 117 #define ATA_SE_DECODE_ERR 0x00080000 118 #define ATA_SE_PARITY_ERR 0x00100000 119 #define ATA_SE_CRC_ERR 0x00200000 120 #define ATA_SE_HANDSHAKE_ERR 0x00400000 121 #define ATA_SE_LINKSEQ_ERR 0x00800000 122 #define ATA_SE_TRANSPORT_ERR 0x01000000 123 #define ATA_SE_UNKNOWN_FIS 0x02000000 124 #define ATA_SE_EXCHANGED 0x04000000 125 126 #define ATA_SCONTROL 15 127 #define ATA_SC_DET_MASK 0x0000000f 128 #define ATA_SC_DET_IDLE 0x00000000 129 #define ATA_SC_DET_RESET 0x00000001 130 #define ATA_SC_DET_DISABLE 0x00000004 131 132 #define ATA_SC_SPD_MASK 0x000000f0 133 #define ATA_SC_SPD_NO_SPEED 0x00000000 134 #define ATA_SC_SPD_SPEED_GEN1 0x00000010 135 #define ATA_SC_SPD_SPEED_GEN2 0x00000020 136 #define ATA_SC_SPD_SPEED_GEN3 0x00000030 137 138 #define ATA_SC_IPM_MASK 0x00000f00 139 #define ATA_SC_IPM_NONE 0x00000000 140 #define ATA_SC_IPM_DIS_PARTIAL 0x00000100 141 #define ATA_SC_IPM_DIS_SLUMBER 0x00000200 142 #define ATA_SC_IPM_DIS_DEVSLEEP 0x00000400 143 144 #define ATA_SACTIVE 16 145 146 #define AHCI_MAX_PORTS 32 147 #define AHCI_MAX_SLOTS 32 148 #define AHCI_MAX_IRQS 16 149 150 /* SATA AHCI v1.0 register defines */ 151 #define AHCI_CAP 0x00 152 #define AHCI_CAP_NPMASK 0x0000001f 153 #define AHCI_CAP_SXS 0x00000020 154 #define AHCI_CAP_EMS 0x00000040 155 #define AHCI_CAP_CCCS 0x00000080 156 #define AHCI_CAP_NCS 0x00001F00 157 #define AHCI_CAP_NCS_SHIFT 8 158 #define AHCI_CAP_PSC 0x00002000 159 #define AHCI_CAP_SSC 0x00004000 160 #define AHCI_CAP_PMD 0x00008000 161 #define AHCI_CAP_FBSS 0x00010000 162 #define AHCI_CAP_SPM 0x00020000 163 #define AHCI_CAP_SAM 0x00080000 164 #define AHCI_CAP_ISS 0x00F00000 165 #define AHCI_CAP_ISS_SHIFT 20 166 #define AHCI_CAP_SCLO 0x01000000 167 #define AHCI_CAP_SAL 0x02000000 168 #define AHCI_CAP_SALP 0x04000000 169 #define AHCI_CAP_SSS 0x08000000 170 #define AHCI_CAP_SMPS 0x10000000 171 #define AHCI_CAP_SSNTF 0x20000000 172 #define AHCI_CAP_SNCQ 0x40000000 173 #define AHCI_CAP_64BIT 0x80000000 174 175 #define AHCI_GHC 0x04 176 #define AHCI_GHC_AE 0x80000000 177 #define AHCI_GHC_MRSM 0x00000004 178 #define AHCI_GHC_IE 0x00000002 179 #define AHCI_GHC_HR 0x00000001 180 181 #define AHCI_IS 0x08 182 #define AHCI_PI 0x0c 183 #define AHCI_VS 0x10 184 185 #define AHCI_CCCC 0x14 186 #define AHCI_CCCC_TV_MASK 0xffff0000 187 #define AHCI_CCCC_TV_SHIFT 16 188 #define AHCI_CCCC_CC_MASK 0x0000ff00 189 #define AHCI_CCCC_CC_SHIFT 8 190 #define AHCI_CCCC_INT_MASK 0x000000f8 191 #define AHCI_CCCC_INT_SHIFT 3 192 #define AHCI_CCCC_EN 0x00000001 193 #define AHCI_CCCP 0x18 194 195 #define AHCI_EM_LOC 0x1C 196 #define AHCI_EM_CTL 0x20 197 #define AHCI_EM_MR 0x00000001 198 #define AHCI_EM_TM 0x00000100 199 #define AHCI_EM_RST 0x00000200 200 #define AHCI_EM_LED 0x00010000 201 #define AHCI_EM_SAFTE 0x00020000 202 #define AHCI_EM_SES2 0x00040000 203 #define AHCI_EM_SGPIO 0x00080000 204 #define AHCI_EM_SMB 0x01000000 205 #define AHCI_EM_XMT 0x02000000 206 #define AHCI_EM_ALHD 0x04000000 207 #define AHCI_EM_PM 0x08000000 208 209 #define AHCI_CAP2 0x24 210 #define AHCI_CAP2_BOH 0x00000001 211 #define AHCI_CAP2_NVMP 0x00000002 212 #define AHCI_CAP2_APST 0x00000004 213 #define AHCI_CAP2_SDS 0x00000008 214 #define AHCI_CAP2_SADM 0x00000010 215 #define AHCI_CAP2_DESO 0x00000020 216 217 #define AHCI_OFFSET 0x100 218 #define AHCI_STEP 0x80 219 220 #define AHCI_P_CLB 0x00 221 #define AHCI_P_CLBU 0x04 222 #define AHCI_P_FB 0x08 223 #define AHCI_P_FBU 0x0c 224 #define AHCI_P_IS 0x10 225 #define AHCI_P_IE 0x14 226 #define AHCI_P_IX_DHR 0x00000001 227 #define AHCI_P_IX_PS 0x00000002 228 #define AHCI_P_IX_DS 0x00000004 229 #define AHCI_P_IX_SDB 0x00000008 230 #define AHCI_P_IX_UF 0x00000010 231 #define AHCI_P_IX_DP 0x00000020 232 #define AHCI_P_IX_PC 0x00000040 233 #define AHCI_P_IX_MP 0x00000080 234 235 #define AHCI_P_IX_PRC 0x00400000 236 #define AHCI_P_IX_IPM 0x00800000 237 #define AHCI_P_IX_OF 0x01000000 238 #define AHCI_P_IX_INF 0x04000000 239 #define AHCI_P_IX_IF 0x08000000 240 #define AHCI_P_IX_HBD 0x10000000 241 #define AHCI_P_IX_HBF 0x20000000 242 #define AHCI_P_IX_TFE 0x40000000 243 #define AHCI_P_IX_CPD 0x80000000 244 245 #define AHCI_P_CMD 0x18 246 #define AHCI_P_CMD_ST 0x00000001 247 #define AHCI_P_CMD_SUD 0x00000002 248 #define AHCI_P_CMD_POD 0x00000004 249 #define AHCI_P_CMD_CLO 0x00000008 250 #define AHCI_P_CMD_FRE 0x00000010 251 #define AHCI_P_CMD_CCS_MASK 0x00001f00 252 #define AHCI_P_CMD_CCS_SHIFT 8 253 #define AHCI_P_CMD_ISS 0x00002000 254 #define AHCI_P_CMD_FR 0x00004000 255 #define AHCI_P_CMD_CR 0x00008000 256 #define AHCI_P_CMD_CPS 0x00010000 257 #define AHCI_P_CMD_PMA 0x00020000 258 #define AHCI_P_CMD_HPCP 0x00040000 259 #define AHCI_P_CMD_MPSP 0x00080000 260 #define AHCI_P_CMD_CPD 0x00100000 261 #define AHCI_P_CMD_ESP 0x00200000 262 #define AHCI_P_CMD_FBSCP 0x00400000 263 #define AHCI_P_CMD_APSTE 0x00800000 264 #define AHCI_P_CMD_ATAPI 0x01000000 265 #define AHCI_P_CMD_DLAE 0x02000000 266 #define AHCI_P_CMD_ALPE 0x04000000 267 #define AHCI_P_CMD_ASP 0x08000000 268 #define AHCI_P_CMD_ICC_MASK 0xf0000000 269 #define AHCI_P_CMD_NOOP 0x00000000 270 #define AHCI_P_CMD_ACTIVE 0x10000000 271 #define AHCI_P_CMD_PARTIAL 0x20000000 272 #define AHCI_P_CMD_SLUMBER 0x60000000 273 #define AHCI_P_CMD_DEVSLEEP 0x80000000 274 275 #define AHCI_P_TFD 0x20 276 #define AHCI_P_SIG 0x24 277 #define AHCI_P_SSTS 0x28 278 #define AHCI_P_SCTL 0x2c 279 #define AHCI_P_SERR 0x30 280 #define AHCI_P_SACT 0x34 281 #define AHCI_P_CI 0x38 282 #define AHCI_P_SNTF 0x3C 283 #define AHCI_P_FBS 0x40 284 #define AHCI_P_FBS_EN 0x00000001 285 #define AHCI_P_FBS_DEC 0x00000002 286 #define AHCI_P_FBS_SDE 0x00000004 287 #define AHCI_P_FBS_DEV 0x00000f00 288 #define AHCI_P_FBS_DEV_SHIFT 8 289 #define AHCI_P_FBS_ADO 0x0000f000 290 #define AHCI_P_FBS_ADO_SHIFT 12 291 #define AHCI_P_FBS_DWE 0x000f0000 292 #define AHCI_P_FBS_DWE_SHIFT 16 293 #define AHCI_P_DEVSLP 0x44 294 #define AHCI_P_DEVSLP_ADSE 0x00000001 295 #define AHCI_P_DEVSLP_DSP 0x00000002 296 #define AHCI_P_DEVSLP_DETO 0x000003fc 297 #define AHCI_P_DEVSLP_DETO_SHIFT 2 298 #define AHCI_P_DEVSLP_MDAT 0x00007c00 299 #define AHCI_P_DEVSLP_MDAT_SHIFT 10 300 #define AHCI_P_DEVSLP_DITO 0x01ff8000 301 #define AHCI_P_DEVSLP_DITO_SHIFT 15 302 #define AHCI_P_DEVSLP_DM 0x0e000000 303 #define AHCI_P_DEVSLP_DM_SHIFT 25 304 305 /* Just to be sure, if building as module. */ 306 #if MAXPHYS < 512 * 1024 307 #undef MAXPHYS 308 #define MAXPHYS 512 * 1024 309 #endif 310 /* Pessimistic prognosis on number of required S/G entries */ 311 #define AHCI_SG_ENTRIES (roundup(btoc(MAXPHYS) + 1, 8)) 312 /* Command list. 32 commands. First, 1Kbyte aligned. */ 313 #define AHCI_CL_OFFSET 0 314 #define AHCI_CL_SIZE 32 315 /* Command tables. Up to 32 commands, Each, 128byte aligned. */ 316 #define AHCI_CT_OFFSET (AHCI_CL_OFFSET + AHCI_CL_SIZE * AHCI_MAX_SLOTS) 317 #define AHCI_CT_SIZE (128 + AHCI_SG_ENTRIES * 16) 318 /* Total main work area. */ 319 #define AHCI_WORK_SIZE (AHCI_CT_OFFSET + AHCI_CT_SIZE * ch->numslots) 320 321 struct ahci_dma_prd { 322 u_int64_t dba; 323 u_int32_t reserved; 324 u_int32_t dbc; /* 0 based */ 325 #define AHCI_PRD_MASK 0x003fffff /* max 4MB */ 326 #define AHCI_PRD_MAX (AHCI_PRD_MASK + 1) 327 #define AHCI_PRD_IPC (1U << 31) 328 } __packed; 329 330 struct ahci_cmd_tab { 331 u_int8_t cfis[64]; 332 u_int8_t acmd[32]; 333 u_int8_t reserved[32]; 334 struct ahci_dma_prd prd_tab[AHCI_SG_ENTRIES]; 335 } __packed; 336 337 struct ahci_cmd_list { 338 u_int16_t cmd_flags; 339 #define AHCI_CMD_ATAPI 0x0020 340 #define AHCI_CMD_WRITE 0x0040 341 #define AHCI_CMD_PREFETCH 0x0080 342 #define AHCI_CMD_RESET 0x0100 343 #define AHCI_CMD_BIST 0x0200 344 #define AHCI_CMD_CLR_BUSY 0x0400 345 346 u_int16_t prd_length; /* PRD entries */ 347 u_int32_t bytecount; 348 u_int64_t cmd_table_phys; /* 128byte aligned */ 349 } __packed; 350 351 /* misc defines */ 352 #define ATA_IRQ_RID 0 353 #define ATA_INTR_FLAGS (INTR_MPSAFE|INTR_TYPE_BIO|INTR_ENTROPY) 354 355 struct ata_dmaslot { 356 bus_dmamap_t data_map; /* data DMA map */ 357 int nsegs; /* Number of segs loaded */ 358 }; 359 360 /* structure holding DMA related information */ 361 struct ata_dma { 362 bus_dma_tag_t work_tag; /* workspace DMA tag */ 363 bus_dmamap_t work_map; /* workspace DMA map */ 364 uint8_t *work; /* workspace */ 365 bus_addr_t work_bus; /* bus address of work */ 366 bus_dma_tag_t rfis_tag; /* RFIS list DMA tag */ 367 bus_dmamap_t rfis_map; /* RFIS list DMA map */ 368 uint8_t *rfis; /* FIS receive area */ 369 bus_addr_t rfis_bus; /* bus address of rfis */ 370 bus_dma_tag_t data_tag; /* data DMA tag */ 371 }; 372 373 enum ahci_slot_states { 374 AHCI_SLOT_EMPTY, 375 AHCI_SLOT_LOADING, 376 AHCI_SLOT_RUNNING, 377 AHCI_SLOT_EXECUTING 378 }; 379 380 struct ahci_slot { 381 struct ahci_channel *ch; /* Channel */ 382 u_int8_t slot; /* Number of this slot */ 383 enum ahci_slot_states state; /* Slot state */ 384 union ccb *ccb; /* CCB occupying slot */ 385 struct ata_dmaslot dma; /* DMA data of this slot */ 386 struct callout timeout; /* Execution timeout */ 387 }; 388 389 struct ahci_device { 390 int revision; 391 int mode; 392 u_int bytecount; 393 u_int atapi; 394 u_int tags; 395 u_int caps; 396 }; 397 398 struct ahci_led { 399 device_t dev; /* Device handle */ 400 struct cdev *led; 401 uint8_t num; /* Number of this led */ 402 uint8_t state; /* State of this led */ 403 }; 404 405 #define AHCI_NUM_LEDS 3 406 407 /* structure describing an ATA channel */ 408 struct ahci_channel { 409 device_t dev; /* Device handle */ 410 int unit; /* Physical channel */ 411 struct resource *r_mem; /* Memory of this channel */ 412 struct resource *r_irq; /* Interrupt of this channel */ 413 void *ih; /* Interrupt handle */ 414 struct ata_dma dma; /* DMA data */ 415 struct cam_sim *sim; 416 struct cam_path *path; 417 uint32_t caps; /* Controller capabilities */ 418 uint32_t caps2; /* Controller capabilities */ 419 uint32_t chcaps; /* Channel capabilities */ 420 uint32_t chscaps; /* Channel sleep capabilities */ 421 uint16_t vendorid; /* Vendor ID from the bus */ 422 uint16_t deviceid; /* Device ID from the bus */ 423 uint16_t subvendorid; /* Subvendor ID from the bus */ 424 uint16_t subdeviceid; /* Subdevice ID from the bus */ 425 int quirks; 426 int numslots; /* Number of present slots */ 427 int pm_level; /* power management level */ 428 int devices; /* What is present */ 429 int pm_present; /* PM presence reported */ 430 int fbs_enabled; /* FIS-based switching enabled */ 431 432 void (*start)(struct ahci_channel *); 433 434 union ccb *hold[AHCI_MAX_SLOTS]; 435 struct ahci_slot slot[AHCI_MAX_SLOTS]; 436 uint32_t oslots; /* Occupied slots */ 437 uint32_t rslots; /* Running slots */ 438 uint32_t aslots; /* Slots with atomic commands */ 439 uint32_t eslots; /* Slots in error */ 440 uint32_t toslots; /* Slots in timeout */ 441 int lastslot; /* Last used slot */ 442 int taggedtarget; /* Last tagged target */ 443 int numrslots; /* Number of running slots */ 444 int numrslotspd[16];/* Number of running slots per dev */ 445 int numtslots; /* Number of tagged slots */ 446 int numtslotspd[16];/* Number of tagged slots per dev */ 447 int numhslots; /* Number of held slots */ 448 int recoverycmd; /* Our READ LOG active */ 449 int fatalerr; /* Fatal error happened */ 450 int resetting; /* Hard-reset in progress. */ 451 int resetpolldiv; /* Hard-reset poll divider. */ 452 int listening; /* SUD bit is cleared. */ 453 int wrongccs; /* CCS field in CMD was wrong */ 454 union ccb *frozen; /* Frozen command */ 455 struct callout pm_timer; /* Power management events */ 456 struct callout reset_timer; /* Hard-reset timeout */ 457 458 struct ahci_device user[16]; /* User-specified settings */ 459 struct ahci_device curr[16]; /* Current settings */ 460 461 struct mtx_padalign mtx; /* state lock */ 462 STAILQ_HEAD(, ccb_hdr) doneq; /* queue of completed CCBs */ 463 int batch; /* doneq is in use */ 464 465 int disablephy; /* keep PHY disabled */ 466 }; 467 468 struct ahci_enclosure { 469 device_t dev; /* Device handle */ 470 struct resource *r_memc; /* Control register */ 471 struct resource *r_memt; /* Transmit buffer */ 472 struct resource *r_memr; /* Receive buffer */ 473 struct cam_sim *sim; 474 struct cam_path *path; 475 struct mtx mtx; /* state lock */ 476 struct ahci_led leds[AHCI_MAX_PORTS * 3]; 477 uint32_t capsem; /* Controller capabilities */ 478 uint8_t status[AHCI_MAX_PORTS][4]; /* ArrayDev statuses */ 479 int quirks; 480 int channels; 481 uint32_t ichannels; 482 }; 483 484 /* structure describing a AHCI controller */ 485 struct ahci_controller { 486 device_t dev; 487 bus_dma_tag_t dma_tag; 488 int r_rid; 489 int r_msix_tab_rid; 490 int r_msix_pba_rid; 491 uint16_t vendorid; /* Vendor ID from the bus */ 492 uint16_t deviceid; /* Device ID from the bus */ 493 uint16_t subvendorid; /* Subvendor ID from the bus */ 494 uint16_t subdeviceid; /* Subdevice ID from the bus */ 495 struct resource *r_mem; 496 struct resource *r_msix_table; 497 struct resource *r_msix_pba; 498 struct rman sc_iomem; 499 struct ahci_controller_irq { 500 struct ahci_controller *ctlr; 501 struct resource *r_irq; 502 void *handle; 503 int r_irq_rid; 504 int mode; 505 #define AHCI_IRQ_MODE_ALL 0 506 #define AHCI_IRQ_MODE_AFTER 1 507 #define AHCI_IRQ_MODE_ONE 2 508 } irqs[AHCI_MAX_IRQS]; 509 uint32_t caps; /* Controller capabilities */ 510 uint32_t caps2; /* Controller capabilities */ 511 uint32_t capsem; /* Controller capabilities */ 512 uint32_t emloc; /* EM buffer location */ 513 int quirks; 514 int numirqs; 515 int channels; 516 uint32_t ichannels; 517 int ccc; /* CCC timeout */ 518 int cccv; /* CCC vector */ 519 int direct; /* Direct command completion */ 520 int msi; /* MSI interupts */ 521 struct { 522 void (*function)(void *); 523 void *argument; 524 } interrupt[AHCI_MAX_PORTS]; 525 void (*ch_start)(struct ahci_channel *); 526 int dma_coherent; /* DMA is cache-coherent */ 527 struct mtx ch_mtx; /* Lock for attached channels */ 528 struct ahci_channel *ch[AHCI_MAX_PORTS]; /* Attached channels */ 529 }; 530 531 enum ahci_err_type { 532 AHCI_ERR_NONE, /* No error */ 533 AHCI_ERR_INVALID, /* Error detected by us before submitting. */ 534 AHCI_ERR_INNOCENT, /* Innocent victim. */ 535 AHCI_ERR_TFE, /* Task File Error. */ 536 AHCI_ERR_SATA, /* SATA error. */ 537 AHCI_ERR_TIMEOUT, /* Command execution timeout. */ 538 AHCI_ERR_NCQ, /* NCQ command error. CCB should be put on hold 539 * until READ LOG executed to reveal error. */ 540 }; 541 542 /* macros to hide busspace uglyness */ 543 #define ATA_INB(res, offset) \ 544 bus_read_1((res), (offset)) 545 #define ATA_INW(res, offset) \ 546 bus_read_2((res), (offset)) 547 #define ATA_INL(res, offset) \ 548 bus_read_4((res), (offset)) 549 #define ATA_INSW(res, offset, addr, count) \ 550 bus_read_multi_2((res), (offset), (addr), (count)) 551 #define ATA_INSW_STRM(res, offset, addr, count) \ 552 bus_read_multi_stream_2((res), (offset), (addr), (count)) 553 #define ATA_INSL(res, offset, addr, count) \ 554 bus_read_multi_4((res), (offset), (addr), (count)) 555 #define ATA_INSL_STRM(res, offset, addr, count) \ 556 bus_read_multi_stream_4((res), (offset), (addr), (count)) 557 #define ATA_OUTB(res, offset, value) \ 558 bus_write_1((res), (offset), (value)) 559 #define ATA_OUTW(res, offset, value) \ 560 bus_write_2((res), (offset), (value)) 561 #define ATA_OUTL(res, offset, value) \ 562 bus_write_4((res), (offset), (value)) 563 #define ATA_OUTSW(res, offset, addr, count) \ 564 bus_write_multi_2((res), (offset), (addr), (count)) 565 #define ATA_OUTSW_STRM(res, offset, addr, count) \ 566 bus_write_multi_stream_2((res), (offset), (addr), (count)) 567 #define ATA_OUTSL(res, offset, addr, count) \ 568 bus_write_multi_4((res), (offset), (addr), (count)) 569 #define ATA_OUTSL_STRM(res, offset, addr, count) \ 570 bus_write_multi_stream_4((res), (offset), (addr), (count)) 571 572 /* 573 * On some platforms, we must ensure proper interdevice write ordering. 574 * The AHCI interrupt status register must be updated in HW before 575 * registers in interrupt controller. 576 * Unfortunately, only way how we can do it is readback. 577 * 578 * Currently, only ARM is known to have this issue. 579 */ 580 #if defined(__arm__) 581 #define ATA_RBL(res, offset) \ 582 bus_read_4((res), (offset)) 583 #else 584 #define ATA_RBL(res, offset) 585 #endif 586 587 #define AHCI_Q_NOFORCE 0x00000001 588 #define AHCI_Q_NOPMP 0x00000002 589 #define AHCI_Q_NONCQ 0x00000004 590 #define AHCI_Q_1CH 0x00000008 591 #define AHCI_Q_2CH 0x00000010 592 #define AHCI_Q_4CH 0x00000020 593 #define AHCI_Q_EDGEIS 0x00000040 594 #define AHCI_Q_SATA2 0x00000080 595 #define AHCI_Q_NOBSYRES 0x00000100 596 #define AHCI_Q_NOAA 0x00000200 597 #define AHCI_Q_NOCOUNT 0x00000400 598 #define AHCI_Q_ALTSIG 0x00000800 599 #define AHCI_Q_NOMSI 0x00001000 600 #define AHCI_Q_ATI_PMP_BUG 0x00002000 601 #define AHCI_Q_MAXIO_64K 0x00004000 602 #define AHCI_Q_SATA1_UNIT0 0x00008000 /* need better method for this */ 603 #define AHCI_Q_ABAR0 0x00010000 604 #define AHCI_Q_1MSI 0x00020000 605 #define AHCI_Q_FORCE_PI 0x00040000 606 #define AHCI_Q_RESTORE_CAP 0x00080000 607 #define AHCI_Q_NOMSIX 0x00100000 608 #define AHCI_Q_MRVL_SR_DEL 0x00200000 609 #define AHCI_Q_NOCCS 0x00400000 610 #define AHCI_Q_NOAUX 0x00800000 611 612 #define AHCI_Q_BIT_STRING \ 613 "\020" \ 614 "\001NOFORCE" \ 615 "\002NOPMP" \ 616 "\003NONCQ" \ 617 "\0041CH" \ 618 "\0052CH" \ 619 "\0064CH" \ 620 "\007EDGEIS" \ 621 "\010SATA2" \ 622 "\011NOBSYRES" \ 623 "\012NOAA" \ 624 "\013NOCOUNT" \ 625 "\014ALTSIG" \ 626 "\015NOMSI" \ 627 "\016ATI_PMP_BUG" \ 628 "\017MAXIO_64K" \ 629 "\020SATA1_UNIT0" \ 630 "\021ABAR0" \ 631 "\0221MSI" \ 632 "\023FORCE_PI" \ 633 "\024RESTORE_CAP" \ 634 "\025NOMSIX" \ 635 "\026MRVL_SR_DEL" \ 636 "\027NOCCS" \ 637 "\030NOAUX" 638 639 int ahci_attach(device_t dev); 640 int ahci_detach(device_t dev); 641 int ahci_setup_interrupt(device_t dev); 642 int ahci_print_child(device_t dev, device_t child); 643 struct resource *ahci_alloc_resource(device_t dev, device_t child, int type, int *rid, 644 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags); 645 int ahci_release_resource(device_t dev, device_t child, int type, int rid, 646 struct resource *r); 647 int ahci_setup_intr(device_t dev, device_t child, struct resource *irq, 648 int flags, driver_filter_t *filter, driver_intr_t *function, 649 void *argument, void **cookiep); 650 int ahci_teardown_intr(device_t dev, device_t child, struct resource *irq, 651 void *cookie); 652 int ahci_child_location_str(device_t dev, device_t child, char *buf, 653 size_t buflen); 654 bus_dma_tag_t ahci_get_dma_tag(device_t dev, device_t child); 655 int ahci_ctlr_reset(device_t dev); 656 int ahci_ctlr_setup(device_t dev); 657 void ahci_free_mem(device_t dev); 658 659 /* Functions to allow AHCI EM to access other channels. */ 660 void ahci_attached(device_t dev, struct ahci_channel *ch); 661 void ahci_detached(device_t dev, struct ahci_channel *ch); 662 struct ahci_channel * ahci_getch(device_t dev, int n); 663 void ahci_putch(struct ahci_channel *ch); 664 665 extern devclass_t ahci_devclass; 666 667