1 #ifndef __libqos_ahci_h 2 #define __libqos_ahci_h 3 4 /* 5 * AHCI qtest library functions and definitions 6 * 7 * Copyright (c) 2014 John Snow <jsnow@redhat.com> 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a copy 10 * of this software and associated documentation files (the "Software"), to deal 11 * in the Software without restriction, including without limitation the rights 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 13 * copies of the Software, and to permit persons to whom the Software is 14 * furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 25 * THE SOFTWARE. 26 */ 27 28 #include <stdint.h> 29 #include <stdlib.h> 30 #include <stdbool.h> 31 #include "libqos/libqos.h" 32 #include "libqos/pci.h" 33 #include "libqos/malloc-pc.h" 34 35 /*** Supplementary PCI Config Space IDs & Masks ***/ 36 #define PCI_DEVICE_ID_INTEL_Q35_AHCI (0x2922) 37 #define PCI_MSI_FLAGS_RESERVED (0xFF00) 38 #define PCI_PM_CTRL_RESERVED (0xFC) 39 #define PCI_BCC(REG32) ((REG32) >> 24) 40 #define PCI_PI(REG32) (((REG32) >> 8) & 0xFF) 41 #define PCI_SCC(REG32) (((REG32) >> 16) & 0xFF) 42 43 /*** Recognized AHCI Device Types ***/ 44 #define AHCI_INTEL_ICH9 (PCI_DEVICE_ID_INTEL_Q35_AHCI << 16 | \ 45 PCI_VENDOR_ID_INTEL) 46 47 /*** AHCI/HBA Register Offsets and Bitmasks ***/ 48 #define AHCI_CAP (0) 49 #define AHCI_CAP_NP (0x1F) 50 #define AHCI_CAP_SXS (0x20) 51 #define AHCI_CAP_EMS (0x40) 52 #define AHCI_CAP_CCCS (0x80) 53 #define AHCI_CAP_NCS (0x1F00) 54 #define AHCI_CAP_PSC (0x2000) 55 #define AHCI_CAP_SSC (0x4000) 56 #define AHCI_CAP_PMD (0x8000) 57 #define AHCI_CAP_FBSS (0x10000) 58 #define AHCI_CAP_SPM (0x20000) 59 #define AHCI_CAP_SAM (0x40000) 60 #define AHCI_CAP_RESERVED (0x80000) 61 #define AHCI_CAP_ISS (0xF00000) 62 #define AHCI_CAP_SCLO (0x1000000) 63 #define AHCI_CAP_SAL (0x2000000) 64 #define AHCI_CAP_SALP (0x4000000) 65 #define AHCI_CAP_SSS (0x8000000) 66 #define AHCI_CAP_SMPS (0x10000000) 67 #define AHCI_CAP_SSNTF (0x20000000) 68 #define AHCI_CAP_SNCQ (0x40000000) 69 #define AHCI_CAP_S64A (0x80000000) 70 71 #define AHCI_GHC (1) 72 #define AHCI_GHC_HR (0x01) 73 #define AHCI_GHC_IE (0x02) 74 #define AHCI_GHC_MRSM (0x04) 75 #define AHCI_GHC_RESERVED (0x7FFFFFF8) 76 #define AHCI_GHC_AE (0x80000000) 77 78 #define AHCI_IS (2) 79 #define AHCI_PI (3) 80 #define AHCI_VS (4) 81 82 #define AHCI_CCCCTL (5) 83 #define AHCI_CCCCTL_EN (0x01) 84 #define AHCI_CCCCTL_RESERVED (0x06) 85 #define AHCI_CCCCTL_CC (0xFF00) 86 #define AHCI_CCCCTL_TV (0xFFFF0000) 87 88 #define AHCI_CCCPORTS (6) 89 #define AHCI_EMLOC (7) 90 91 #define AHCI_EMCTL (8) 92 #define AHCI_EMCTL_STSMR (0x01) 93 #define AHCI_EMCTL_CTLTM (0x100) 94 #define AHCI_EMCTL_CTLRST (0x200) 95 #define AHCI_EMCTL_RESERVED (0xF0F0FCFE) 96 97 #define AHCI_CAP2 (9) 98 #define AHCI_CAP2_BOH (0x01) 99 #define AHCI_CAP2_NVMP (0x02) 100 #define AHCI_CAP2_APST (0x04) 101 #define AHCI_CAP2_RESERVED (0xFFFFFFF8) 102 103 #define AHCI_BOHC (10) 104 #define AHCI_RESERVED (11) 105 #define AHCI_NVMHCI (24) 106 #define AHCI_VENDOR (40) 107 #define AHCI_PORTS (64) 108 109 /*** Port Memory Offsets & Bitmasks ***/ 110 #define AHCI_PX_CLB (0) 111 #define AHCI_PX_CLB_RESERVED (0x1FF) 112 113 #define AHCI_PX_CLBU (1) 114 115 #define AHCI_PX_FB (2) 116 #define AHCI_PX_FB_RESERVED (0xFF) 117 118 #define AHCI_PX_FBU (3) 119 120 #define AHCI_PX_IS (4) 121 #define AHCI_PX_IS_DHRS (0x1) 122 #define AHCI_PX_IS_PSS (0x2) 123 #define AHCI_PX_IS_DSS (0x4) 124 #define AHCI_PX_IS_SDBS (0x8) 125 #define AHCI_PX_IS_UFS (0x10) 126 #define AHCI_PX_IS_DPS (0x20) 127 #define AHCI_PX_IS_PCS (0x40) 128 #define AHCI_PX_IS_DMPS (0x80) 129 #define AHCI_PX_IS_RESERVED (0x23FFF00) 130 #define AHCI_PX_IS_PRCS (0x400000) 131 #define AHCI_PX_IS_IPMS (0x800000) 132 #define AHCI_PX_IS_OFS (0x1000000) 133 #define AHCI_PX_IS_INFS (0x4000000) 134 #define AHCI_PX_IS_IFS (0x8000000) 135 #define AHCI_PX_IS_HBDS (0x10000000) 136 #define AHCI_PX_IS_HBFS (0x20000000) 137 #define AHCI_PX_IS_TFES (0x40000000) 138 #define AHCI_PX_IS_CPDS (0x80000000) 139 140 #define AHCI_PX_IE (5) 141 #define AHCI_PX_IE_DHRE (0x1) 142 #define AHCI_PX_IE_PSE (0x2) 143 #define AHCI_PX_IE_DSE (0x4) 144 #define AHCI_PX_IE_SDBE (0x8) 145 #define AHCI_PX_IE_UFE (0x10) 146 #define AHCI_PX_IE_DPE (0x20) 147 #define AHCI_PX_IE_PCE (0x40) 148 #define AHCI_PX_IE_DMPE (0x80) 149 #define AHCI_PX_IE_RESERVED (0x23FFF00) 150 #define AHCI_PX_IE_PRCE (0x400000) 151 #define AHCI_PX_IE_IPME (0x800000) 152 #define AHCI_PX_IE_OFE (0x1000000) 153 #define AHCI_PX_IE_INFE (0x4000000) 154 #define AHCI_PX_IE_IFE (0x8000000) 155 #define AHCI_PX_IE_HBDE (0x10000000) 156 #define AHCI_PX_IE_HBFE (0x20000000) 157 #define AHCI_PX_IE_TFEE (0x40000000) 158 #define AHCI_PX_IE_CPDE (0x80000000) 159 160 #define AHCI_PX_CMD (6) 161 #define AHCI_PX_CMD_ST (0x1) 162 #define AHCI_PX_CMD_SUD (0x2) 163 #define AHCI_PX_CMD_POD (0x4) 164 #define AHCI_PX_CMD_CLO (0x8) 165 #define AHCI_PX_CMD_FRE (0x10) 166 #define AHCI_PX_CMD_RESERVED (0xE0) 167 #define AHCI_PX_CMD_CCS (0x1F00) 168 #define AHCI_PX_CMD_MPSS (0x2000) 169 #define AHCI_PX_CMD_FR (0x4000) 170 #define AHCI_PX_CMD_CR (0x8000) 171 #define AHCI_PX_CMD_CPS (0x10000) 172 #define AHCI_PX_CMD_PMA (0x20000) 173 #define AHCI_PX_CMD_HPCP (0x40000) 174 #define AHCI_PX_CMD_MPSP (0x80000) 175 #define AHCI_PX_CMD_CPD (0x100000) 176 #define AHCI_PX_CMD_ESP (0x200000) 177 #define AHCI_PX_CMD_FBSCP (0x400000) 178 #define AHCI_PX_CMD_APSTE (0x800000) 179 #define AHCI_PX_CMD_ATAPI (0x1000000) 180 #define AHCI_PX_CMD_DLAE (0x2000000) 181 #define AHCI_PX_CMD_ALPE (0x4000000) 182 #define AHCI_PX_CMD_ASP (0x8000000) 183 #define AHCI_PX_CMD_ICC (0xF0000000) 184 185 #define AHCI_PX_RES1 (7) 186 187 #define AHCI_PX_TFD (8) 188 #define AHCI_PX_TFD_STS (0xFF) 189 #define AHCI_PX_TFD_STS_ERR (0x01) 190 #define AHCI_PX_TFD_STS_CS1 (0x06) 191 #define AHCI_PX_TFD_STS_DRQ (0x08) 192 #define AHCI_PX_TFD_STS_CS2 (0x70) 193 #define AHCI_PX_TFD_STS_BSY (0x80) 194 #define AHCI_PX_TFD_ERR (0xFF00) 195 #define AHCI_PX_TFD_RESERVED (0xFFFF0000) 196 197 #define AHCI_PX_SIG (9) 198 #define AHCI_PX_SIG_SECTOR_COUNT (0xFF) 199 #define AHCI_PX_SIG_LBA_LOW (0xFF00) 200 #define AHCI_PX_SIG_LBA_MID (0xFF0000) 201 #define AHCI_PX_SIG_LBA_HIGH (0xFF000000) 202 203 #define AHCI_PX_SSTS (10) 204 #define AHCI_PX_SSTS_DET (0x0F) 205 #define AHCI_PX_SSTS_SPD (0xF0) 206 #define AHCI_PX_SSTS_IPM (0xF00) 207 #define AHCI_PX_SSTS_RESERVED (0xFFFFF000) 208 #define SSTS_DET_NO_DEVICE (0x00) 209 #define SSTS_DET_PRESENT (0x01) 210 #define SSTS_DET_ESTABLISHED (0x03) 211 #define SSTS_DET_OFFLINE (0x04) 212 213 #define AHCI_PX_SCTL (11) 214 215 #define AHCI_PX_SERR (12) 216 #define AHCI_PX_SERR_ERR (0xFFFF) 217 #define AHCI_PX_SERR_DIAG (0xFFFF0000) 218 #define AHCI_PX_SERR_DIAG_X (0x04000000) 219 220 #define AHCI_PX_SACT (13) 221 #define AHCI_PX_CI (14) 222 #define AHCI_PX_SNTF (15) 223 224 #define AHCI_PX_FBS (16) 225 #define AHCI_PX_FBS_EN (0x1) 226 #define AHCI_PX_FBS_DEC (0x2) 227 #define AHCI_PX_FBS_SDE (0x4) 228 #define AHCI_PX_FBS_DEV (0xF00) 229 #define AHCI_PX_FBS_ADO (0xF000) 230 #define AHCI_PX_FBS_DWE (0xF0000) 231 #define AHCI_PX_FBS_RESERVED (0xFFF000F8) 232 233 #define AHCI_PX_RES2 (17) 234 #define AHCI_PX_VS (28) 235 236 #define HBA_DATA_REGION_SIZE (256) 237 #define HBA_PORT_DATA_SIZE (128) 238 #define HBA_PORT_NUM_REG (HBA_PORT_DATA_SIZE/4) 239 240 #define AHCI_VERSION_0_95 (0x00000905) 241 #define AHCI_VERSION_1_0 (0x00010000) 242 #define AHCI_VERSION_1_1 (0x00010100) 243 #define AHCI_VERSION_1_2 (0x00010200) 244 #define AHCI_VERSION_1_3 (0x00010300) 245 246 #define AHCI_SECTOR_SIZE (512) 247 #define ATAPI_SECTOR_SIZE (2048) 248 249 #define AHCI_SIGNATURE_CDROM (0xeb140101) 250 #define AHCI_SIGNATURE_DISK (0x00000101) 251 252 /* FIS types */ 253 enum { 254 REG_H2D_FIS = 0x27, 255 REG_D2H_FIS = 0x34, 256 DMA_ACTIVATE_FIS = 0x39, 257 DMA_SETUP_FIS = 0x41, 258 DATA_FIS = 0x46, 259 BIST_ACTIVATE_FIS = 0x58, 260 PIO_SETUP_FIS = 0x5F, 261 SDB_FIS = 0xA1 262 }; 263 264 /* FIS flags */ 265 #define REG_H2D_FIS_CMD 0x80 266 267 /* ATA Commands */ 268 enum { 269 /* DMA */ 270 CMD_READ_DMA = 0xC8, 271 CMD_READ_DMA_EXT = 0x25, 272 CMD_WRITE_DMA = 0xCA, 273 CMD_WRITE_DMA_EXT = 0x35, 274 /* PIO */ 275 CMD_READ_PIO = 0x20, 276 CMD_READ_PIO_EXT = 0x24, 277 CMD_WRITE_PIO = 0x30, 278 CMD_WRITE_PIO_EXT = 0x34, 279 /* Misc */ 280 CMD_READ_MAX = 0xF8, 281 CMD_READ_MAX_EXT = 0x27, 282 CMD_FLUSH_CACHE = 0xE7, 283 CMD_IDENTIFY = 0xEC, 284 CMD_PACKET = 0xA0, 285 CMD_PACKET_ID = 0xA1, 286 /* NCQ */ 287 READ_FPDMA_QUEUED = 0x60, 288 WRITE_FPDMA_QUEUED = 0x61, 289 }; 290 291 /* ATAPI Commands */ 292 enum { 293 CMD_ATAPI_READ_10 = 0x28, 294 }; 295 296 /* AHCI Command Header Flags & Masks*/ 297 #define CMDH_CFL (0x1F) 298 #define CMDH_ATAPI (0x20) 299 #define CMDH_WRITE (0x40) 300 #define CMDH_PREFETCH (0x80) 301 #define CMDH_RESET (0x100) 302 #define CMDH_BIST (0x200) 303 #define CMDH_CLR_BSY (0x400) 304 #define CMDH_RES (0x800) 305 #define CMDH_PMP (0xF000) 306 307 /* ATA device register masks */ 308 #define ATA_DEVICE_MAGIC 0xA0 /* used in ata1-3 */ 309 #define ATA_DEVICE_LBA 0x40 310 #define NCQ_DEVICE_MAGIC 0x40 /* for ncq device registers */ 311 #define ATA_DEVICE_DRIVE 0x10 312 #define ATA_DEVICE_HEAD 0x0F 313 314 /*** Structures ***/ 315 316 typedef struct AHCIPortQState { 317 uint64_t fb; 318 uint64_t clb; 319 uint64_t ctba[32]; 320 uint16_t prdtl[32]; 321 uint8_t next; /** Next Command Slot to Use **/ 322 } AHCIPortQState; 323 324 typedef struct AHCIQState { 325 QOSState *parent; 326 QPCIDevice *dev; 327 void *hba_base; 328 uint64_t barsize; 329 uint32_t fingerprint; 330 uint32_t cap; 331 uint32_t cap2; 332 AHCIPortQState port[32]; 333 } AHCIQState; 334 335 /** 336 * Generic FIS structure. 337 */ 338 typedef struct FIS { 339 uint8_t fis_type; 340 uint8_t flags; 341 char data[0]; 342 } __attribute__((__packed__)) FIS; 343 344 /** 345 * Register device-to-host FIS structure. 346 */ 347 typedef struct RegD2HFIS { 348 /* DW0 */ 349 uint8_t fis_type; 350 uint8_t flags; 351 uint8_t status; 352 uint8_t error; 353 /* DW1 */ 354 uint8_t lba_lo[3]; 355 uint8_t device; 356 /* DW2 */ 357 uint8_t lba_hi[3]; 358 uint8_t res0; 359 /* DW3 */ 360 uint16_t count; 361 uint16_t res1; 362 /* DW4 */ 363 uint32_t res2; 364 } __attribute__((__packed__)) RegD2HFIS; 365 366 /** 367 * Register device-to-host FIS structure; 368 * PIO Setup variety. 369 */ 370 typedef struct PIOSetupFIS { 371 /* DW0 */ 372 uint8_t fis_type; 373 uint8_t flags; 374 uint8_t status; 375 uint8_t error; 376 /* DW1 */ 377 uint8_t lba_lo[3]; 378 uint8_t device; 379 /* DW2 */ 380 uint8_t lba_hi[3]; 381 uint8_t res0; 382 /* DW3 */ 383 uint16_t count; 384 uint8_t res1; 385 uint8_t e_status; 386 /* DW4 */ 387 uint16_t tx_count; 388 uint16_t res2; 389 } __attribute__((__packed__)) PIOSetupFIS; 390 391 /** 392 * Register host-to-device FIS structure. 393 */ 394 typedef struct RegH2DFIS { 395 /* DW0 */ 396 uint8_t fis_type; 397 uint8_t flags; 398 uint8_t command; 399 uint8_t feature_low; 400 /* DW1 */ 401 uint8_t lba_lo[3]; 402 uint8_t device; 403 /* DW2 */ 404 uint8_t lba_hi[3]; 405 uint8_t feature_high; 406 /* DW3 */ 407 uint16_t count; 408 uint8_t icc; 409 uint8_t control; 410 /* DW4 */ 411 uint8_t aux[4]; 412 } __attribute__((__packed__)) RegH2DFIS; 413 414 /** 415 * Register host-to-device FIS structure, for NCQ commands. 416 * Actually just a RegH2DFIS, but with fields repurposed. 417 * Repurposed fields are annotated below. 418 */ 419 typedef struct NCQFIS { 420 /* DW0 */ 421 uint8_t fis_type; 422 uint8_t flags; 423 uint8_t command; 424 uint8_t sector_low; /* H2D: Feature 7:0 */ 425 /* DW1 */ 426 uint8_t lba_lo[3]; 427 uint8_t device; 428 /* DW2 */ 429 uint8_t lba_hi[3]; 430 uint8_t sector_hi; /* H2D: Feature 15:8 */ 431 /* DW3 */ 432 uint8_t tag; /* H2D: Count 0:7 */ 433 uint8_t prio; /* H2D: Count 15:8 */ 434 uint8_t icc; 435 uint8_t control; 436 /* DW4 */ 437 uint8_t aux[4]; 438 } __attribute__((__packed__)) NCQFIS; 439 440 /** 441 * Command List entry structure. 442 * The command list contains between 1-32 of these structures. 443 */ 444 typedef struct AHCICommandHeader { 445 uint16_t flags; /* Cmd-Fis-Len, PMP#, and flags. */ 446 uint16_t prdtl; /* Phys Region Desc. Table Length */ 447 uint32_t prdbc; /* Phys Region Desc. Byte Count */ 448 uint64_t ctba; /* Command Table Descriptor Base Address */ 449 uint32_t res[4]; 450 } __attribute__((__packed__)) AHCICommandHeader; 451 452 /** 453 * Physical Region Descriptor; pointed to by the Command List Header, 454 * struct ahci_command. 455 */ 456 typedef struct PRD { 457 uint64_t dba; /* Data Base Address */ 458 uint32_t res; /* Reserved */ 459 uint32_t dbc; /* Data Byte Count (0-indexed) & Interrupt Flag (bit 2^31) */ 460 } __attribute__((__packed__)) PRD; 461 462 /* Opaque, defined within ahci.c */ 463 typedef struct AHCICommand AHCICommand; 464 465 /*** Macro Utilities ***/ 466 #define BITANY(data, mask) (((data) & (mask)) != 0) 467 #define BITSET(data, mask) (((data) & (mask)) == (mask)) 468 #define BITCLR(data, mask) (((data) & (mask)) == 0) 469 #define ASSERT_BIT_SET(data, mask) g_assert_cmphex((data) & (mask), ==, (mask)) 470 #define ASSERT_BIT_CLEAR(data, mask) g_assert_cmphex((data) & (mask), ==, 0) 471 472 /* For calculating how big the PRD table needs to be: */ 473 #define CMD_TBL_SIZ(n) ((0x80 + ((n) * sizeof(PRD)) + 0x7F) & ~0x7F) 474 475 /* Helpers for reading/writing AHCI HBA register values */ 476 477 static inline uint32_t ahci_mread(AHCIQState *ahci, size_t offset) 478 { 479 return qpci_io_readl(ahci->dev, ahci->hba_base + offset); 480 } 481 482 static inline void ahci_mwrite(AHCIQState *ahci, size_t offset, uint32_t value) 483 { 484 qpci_io_writel(ahci->dev, ahci->hba_base + offset, value); 485 } 486 487 static inline uint32_t ahci_rreg(AHCIQState *ahci, uint32_t reg_num) 488 { 489 return ahci_mread(ahci, 4 * reg_num); 490 } 491 492 static inline void ahci_wreg(AHCIQState *ahci, uint32_t reg_num, uint32_t value) 493 { 494 ahci_mwrite(ahci, 4 * reg_num, value); 495 } 496 497 static inline void ahci_set(AHCIQState *ahci, uint32_t reg_num, uint32_t mask) 498 { 499 ahci_wreg(ahci, reg_num, ahci_rreg(ahci, reg_num) | mask); 500 } 501 502 static inline void ahci_clr(AHCIQState *ahci, uint32_t reg_num, uint32_t mask) 503 { 504 ahci_wreg(ahci, reg_num, ahci_rreg(ahci, reg_num) & ~mask); 505 } 506 507 static inline size_t ahci_px_offset(uint8_t port, uint32_t reg_num) 508 { 509 return AHCI_PORTS + (HBA_PORT_NUM_REG * port) + reg_num; 510 } 511 512 static inline uint32_t ahci_px_rreg(AHCIQState *ahci, uint8_t port, 513 uint32_t reg_num) 514 { 515 return ahci_rreg(ahci, ahci_px_offset(port, reg_num)); 516 } 517 518 static inline void ahci_px_wreg(AHCIQState *ahci, uint8_t port, 519 uint32_t reg_num, uint32_t value) 520 { 521 ahci_wreg(ahci, ahci_px_offset(port, reg_num), value); 522 } 523 524 static inline void ahci_px_set(AHCIQState *ahci, uint8_t port, 525 uint32_t reg_num, uint32_t mask) 526 { 527 ahci_px_wreg(ahci, port, reg_num, 528 ahci_px_rreg(ahci, port, reg_num) | mask); 529 } 530 531 static inline void ahci_px_clr(AHCIQState *ahci, uint8_t port, 532 uint32_t reg_num, uint32_t mask) 533 { 534 ahci_px_wreg(ahci, port, reg_num, 535 ahci_px_rreg(ahci, port, reg_num) & ~mask); 536 } 537 538 /*** Prototypes ***/ 539 uint64_t ahci_alloc(AHCIQState *ahci, size_t bytes); 540 void ahci_free(AHCIQState *ahci, uint64_t addr); 541 QPCIDevice *get_ahci_device(uint32_t *fingerprint); 542 void free_ahci_device(QPCIDevice *dev); 543 void ahci_clean_mem(AHCIQState *ahci); 544 void ahci_pci_enable(AHCIQState *ahci); 545 void start_ahci_device(AHCIQState *ahci); 546 void ahci_hba_enable(AHCIQState *ahci); 547 unsigned ahci_port_select(AHCIQState *ahci); 548 void ahci_port_clear(AHCIQState *ahci, uint8_t port); 549 void ahci_port_check_error(AHCIQState *ahci, uint8_t port); 550 void ahci_port_check_interrupts(AHCIQState *ahci, uint8_t port, 551 uint32_t intr_mask); 552 void ahci_port_check_nonbusy(AHCIQState *ahci, uint8_t port, uint8_t slot); 553 void ahci_port_check_d2h_sanity(AHCIQState *ahci, uint8_t port, uint8_t slot); 554 void ahci_port_check_pio_sanity(AHCIQState *ahci, uint8_t port, 555 uint8_t slot, size_t buffsize); 556 void ahci_port_check_cmd_sanity(AHCIQState *ahci, AHCICommand *cmd); 557 void ahci_get_command_header(AHCIQState *ahci, uint8_t port, 558 uint8_t slot, AHCICommandHeader *cmd); 559 void ahci_set_command_header(AHCIQState *ahci, uint8_t port, 560 uint8_t slot, AHCICommandHeader *cmd); 561 void ahci_destroy_command(AHCIQState *ahci, uint8_t port, uint8_t slot); 562 void ahci_write_fis(AHCIQState *ahci, AHCICommand *cmd); 563 unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t port); 564 unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd); 565 void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 566 uint64_t gbuffer, size_t size, uint64_t sector); 567 AHCICommand *ahci_guest_io_halt(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 568 uint64_t gbuffer, size_t size, uint64_t sector); 569 void ahci_guest_io_resume(AHCIQState *ahci, AHCICommand *cmd); 570 void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 571 void *buffer, size_t bufsize, uint64_t sector); 572 573 /* Command Lifecycle */ 574 AHCICommand *ahci_command_create(uint8_t command_name); 575 AHCICommand *ahci_atapi_command_create(uint8_t scsi_cmd); 576 void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t port); 577 void ahci_command_issue(AHCIQState *ahci, AHCICommand *cmd); 578 void ahci_command_issue_async(AHCIQState *ahci, AHCICommand *cmd); 579 void ahci_command_wait(AHCIQState *ahci, AHCICommand *cmd); 580 void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd); 581 void ahci_command_free(AHCICommand *cmd); 582 583 /* Command adjustments */ 584 void ahci_command_set_flags(AHCICommand *cmd, uint16_t cmdh_flags); 585 void ahci_command_clr_flags(AHCICommand *cmd, uint16_t cmdh_flags); 586 void ahci_command_set_offset(AHCICommand *cmd, uint64_t lba_sect); 587 void ahci_command_set_buffer(AHCICommand *cmd, uint64_t buffer); 588 void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes); 589 void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size); 590 void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes, 591 unsigned prd_size); 592 void ahci_command_set_acmd(AHCICommand *cmd, void *acmd); 593 void ahci_command_enable_atapi_dma(AHCICommand *cmd); 594 void ahci_command_adjust(AHCICommand *cmd, uint64_t lba_sect, uint64_t gbuffer, 595 uint64_t xbytes, unsigned prd_size); 596 597 /* Command Misc */ 598 uint8_t ahci_command_slot(AHCICommand *cmd); 599 bool is_atapi(AHCIQState *ahci, uint8_t port); 600 601 #endif 602