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) 247 248 /* FIS types */ 249 enum { 250 REG_H2D_FIS = 0x27, 251 REG_D2H_FIS = 0x34, 252 DMA_ACTIVATE_FIS = 0x39, 253 DMA_SETUP_FIS = 0x41, 254 DATA_FIS = 0x46, 255 BIST_ACTIVATE_FIS = 0x58, 256 PIO_SETUP_FIS = 0x5F, 257 SDB_FIS = 0xA1 258 }; 259 260 /* FIS flags */ 261 #define REG_H2D_FIS_CMD 0x80 262 263 /* ATA Commands */ 264 enum { 265 /* DMA */ 266 CMD_READ_DMA = 0xC8, 267 CMD_READ_DMA_EXT = 0x25, 268 CMD_WRITE_DMA = 0xCA, 269 CMD_WRITE_DMA_EXT = 0x35, 270 /* PIO */ 271 CMD_READ_PIO = 0x20, 272 CMD_READ_PIO_EXT = 0x24, 273 CMD_WRITE_PIO = 0x30, 274 CMD_WRITE_PIO_EXT = 0x34, 275 /* Misc */ 276 CMD_READ_MAX = 0xF8, 277 CMD_READ_MAX_EXT = 0x27, 278 CMD_FLUSH_CACHE = 0xE7, 279 CMD_IDENTIFY = 0xEC 280 }; 281 282 /* AHCI Command Header Flags & Masks*/ 283 #define CMDH_CFL (0x1F) 284 #define CMDH_ATAPI (0x20) 285 #define CMDH_WRITE (0x40) 286 #define CMDH_PREFETCH (0x80) 287 #define CMDH_RESET (0x100) 288 #define CMDH_BIST (0x200) 289 #define CMDH_CLR_BSY (0x400) 290 #define CMDH_RES (0x800) 291 #define CMDH_PMP (0xF000) 292 293 /* ATA device register masks */ 294 #define ATA_DEVICE_MAGIC 0xA0 /* used in ata1-3 */ 295 #define ATA_DEVICE_LBA 0x40 296 #define NCQ_DEVICE_MAGIC 0x40 /* for ncq device registers */ 297 #define ATA_DEVICE_DRIVE 0x10 298 #define ATA_DEVICE_HEAD 0x0F 299 300 /*** Structures ***/ 301 302 typedef struct AHCIPortQState { 303 uint64_t fb; 304 uint64_t clb; 305 uint64_t ctba[32]; 306 uint16_t prdtl[32]; 307 uint8_t next; /** Next Command Slot to Use **/ 308 } AHCIPortQState; 309 310 typedef struct AHCIQState { 311 QOSState *parent; 312 QPCIDevice *dev; 313 void *hba_base; 314 uint64_t barsize; 315 uint32_t fingerprint; 316 uint32_t cap; 317 uint32_t cap2; 318 AHCIPortQState port[32]; 319 } AHCIQState; 320 321 /** 322 * Generic FIS structure. 323 */ 324 typedef struct FIS { 325 uint8_t fis_type; 326 uint8_t flags; 327 char data[0]; 328 } __attribute__((__packed__)) FIS; 329 330 /** 331 * Register device-to-host FIS structure. 332 */ 333 typedef struct RegD2HFIS { 334 /* DW0 */ 335 uint8_t fis_type; 336 uint8_t flags; 337 uint8_t status; 338 uint8_t error; 339 /* DW1 */ 340 uint8_t lba_lo[3]; 341 uint8_t device; 342 /* DW2 */ 343 uint8_t lba_hi[3]; 344 uint8_t res0; 345 /* DW3 */ 346 uint16_t count; 347 uint16_t res1; 348 /* DW4 */ 349 uint32_t res2; 350 } __attribute__((__packed__)) RegD2HFIS; 351 352 /** 353 * Register device-to-host FIS structure; 354 * PIO Setup variety. 355 */ 356 typedef struct PIOSetupFIS { 357 /* DW0 */ 358 uint8_t fis_type; 359 uint8_t flags; 360 uint8_t status; 361 uint8_t error; 362 /* DW1 */ 363 uint8_t lba_lo[3]; 364 uint8_t device; 365 /* DW2 */ 366 uint8_t lba_hi[3]; 367 uint8_t res0; 368 /* DW3 */ 369 uint16_t count; 370 uint8_t res1; 371 uint8_t e_status; 372 /* DW4 */ 373 uint16_t tx_count; 374 uint16_t res2; 375 } __attribute__((__packed__)) PIOSetupFIS; 376 377 /** 378 * Register host-to-device FIS structure. 379 */ 380 typedef struct RegH2DFIS { 381 /* DW0 */ 382 uint8_t fis_type; 383 uint8_t flags; 384 uint8_t command; 385 uint8_t feature_low; 386 /* DW1 */ 387 uint8_t lba_lo[3]; 388 uint8_t device; 389 /* DW2 */ 390 uint8_t lba_hi[3]; 391 uint8_t feature_high; 392 /* DW3 */ 393 uint16_t count; 394 uint8_t icc; 395 uint8_t control; 396 /* DW4 */ 397 uint8_t aux[4]; 398 } __attribute__((__packed__)) RegH2DFIS; 399 400 /** 401 * Register host-to-device FIS structure, for NCQ commands. 402 * Actually just a RegH2DFIS, but with fields repurposed. 403 * Repurposed fields are annotated below. 404 */ 405 typedef struct NCQFIS { 406 /* DW0 */ 407 uint8_t fis_type; 408 uint8_t flags; 409 uint8_t command; 410 uint8_t sector_low; /* H2D: Feature 7:0 */ 411 /* DW1 */ 412 uint8_t lba_lo[3]; 413 uint8_t device; 414 /* DW2 */ 415 uint8_t lba_hi[3]; 416 uint8_t sector_hi; /* H2D: Feature 15:8 */ 417 /* DW3 */ 418 uint8_t tag; /* H2D: Count 0:7 */ 419 uint8_t prio; /* H2D: Count 15:8 */ 420 uint8_t icc; 421 uint8_t control; 422 /* DW4 */ 423 uint8_t aux[4]; 424 } __attribute__((__packed__)) NCQFIS; 425 426 /** 427 * Command List entry structure. 428 * The command list contains between 1-32 of these structures. 429 */ 430 typedef struct AHCICommandHeader { 431 uint16_t flags; /* Cmd-Fis-Len, PMP#, and flags. */ 432 uint16_t prdtl; /* Phys Region Desc. Table Length */ 433 uint32_t prdbc; /* Phys Region Desc. Byte Count */ 434 uint64_t ctba; /* Command Table Descriptor Base Address */ 435 uint32_t res[4]; 436 } __attribute__((__packed__)) AHCICommandHeader; 437 438 /** 439 * Physical Region Descriptor; pointed to by the Command List Header, 440 * struct ahci_command. 441 */ 442 typedef struct PRD { 443 uint64_t dba; /* Data Base Address */ 444 uint32_t res; /* Reserved */ 445 uint32_t dbc; /* Data Byte Count (0-indexed) & Interrupt Flag (bit 2^31) */ 446 } __attribute__((__packed__)) PRD; 447 448 /* Opaque, defined within ahci.c */ 449 typedef struct AHCICommand AHCICommand; 450 451 /*** Macro Utilities ***/ 452 #define BITANY(data, mask) (((data) & (mask)) != 0) 453 #define BITSET(data, mask) (((data) & (mask)) == (mask)) 454 #define BITCLR(data, mask) (((data) & (mask)) == 0) 455 #define ASSERT_BIT_SET(data, mask) g_assert_cmphex((data) & (mask), ==, (mask)) 456 #define ASSERT_BIT_CLEAR(data, mask) g_assert_cmphex((data) & (mask), ==, 0) 457 458 /* For calculating how big the PRD table needs to be: */ 459 #define CMD_TBL_SIZ(n) ((0x80 + ((n) * sizeof(PRD)) + 0x7F) & ~0x7F) 460 461 /* Helpers for reading/writing AHCI HBA register values */ 462 463 static inline uint32_t ahci_mread(AHCIQState *ahci, size_t offset) 464 { 465 return qpci_io_readl(ahci->dev, ahci->hba_base + offset); 466 } 467 468 static inline void ahci_mwrite(AHCIQState *ahci, size_t offset, uint32_t value) 469 { 470 qpci_io_writel(ahci->dev, ahci->hba_base + offset, value); 471 } 472 473 static inline uint32_t ahci_rreg(AHCIQState *ahci, uint32_t reg_num) 474 { 475 return ahci_mread(ahci, 4 * reg_num); 476 } 477 478 static inline void ahci_wreg(AHCIQState *ahci, uint32_t reg_num, uint32_t value) 479 { 480 ahci_mwrite(ahci, 4 * reg_num, value); 481 } 482 483 static inline void ahci_set(AHCIQState *ahci, uint32_t reg_num, uint32_t mask) 484 { 485 ahci_wreg(ahci, reg_num, ahci_rreg(ahci, reg_num) | mask); 486 } 487 488 static inline void ahci_clr(AHCIQState *ahci, uint32_t reg_num, uint32_t mask) 489 { 490 ahci_wreg(ahci, reg_num, ahci_rreg(ahci, reg_num) & ~mask); 491 } 492 493 static inline size_t ahci_px_offset(uint8_t port, uint32_t reg_num) 494 { 495 return AHCI_PORTS + (HBA_PORT_NUM_REG * port) + reg_num; 496 } 497 498 static inline uint32_t ahci_px_rreg(AHCIQState *ahci, uint8_t port, 499 uint32_t reg_num) 500 { 501 return ahci_rreg(ahci, ahci_px_offset(port, reg_num)); 502 } 503 504 static inline void ahci_px_wreg(AHCIQState *ahci, uint8_t port, 505 uint32_t reg_num, uint32_t value) 506 { 507 ahci_wreg(ahci, ahci_px_offset(port, reg_num), value); 508 } 509 510 static inline void ahci_px_set(AHCIQState *ahci, uint8_t port, 511 uint32_t reg_num, uint32_t mask) 512 { 513 ahci_px_wreg(ahci, port, reg_num, 514 ahci_px_rreg(ahci, port, reg_num) | mask); 515 } 516 517 static inline void ahci_px_clr(AHCIQState *ahci, uint8_t port, 518 uint32_t reg_num, uint32_t mask) 519 { 520 ahci_px_wreg(ahci, port, reg_num, 521 ahci_px_rreg(ahci, port, reg_num) & ~mask); 522 } 523 524 /*** Prototypes ***/ 525 uint64_t ahci_alloc(AHCIQState *ahci, size_t bytes); 526 void ahci_free(AHCIQState *ahci, uint64_t addr); 527 QPCIDevice *get_ahci_device(uint32_t *fingerprint); 528 void free_ahci_device(QPCIDevice *dev); 529 void ahci_clean_mem(AHCIQState *ahci); 530 void ahci_pci_enable(AHCIQState *ahci); 531 void start_ahci_device(AHCIQState *ahci); 532 void ahci_hba_enable(AHCIQState *ahci); 533 unsigned ahci_port_select(AHCIQState *ahci); 534 void ahci_port_clear(AHCIQState *ahci, uint8_t port); 535 void ahci_port_check_error(AHCIQState *ahci, uint8_t port); 536 void ahci_port_check_interrupts(AHCIQState *ahci, uint8_t port, 537 uint32_t intr_mask); 538 void ahci_port_check_nonbusy(AHCIQState *ahci, uint8_t port, uint8_t slot); 539 void ahci_port_check_d2h_sanity(AHCIQState *ahci, uint8_t port, uint8_t slot); 540 void ahci_port_check_pio_sanity(AHCIQState *ahci, uint8_t port, 541 uint8_t slot, size_t buffsize); 542 void ahci_port_check_cmd_sanity(AHCIQState *ahci, AHCICommand *cmd); 543 void ahci_get_command_header(AHCIQState *ahci, uint8_t port, 544 uint8_t slot, AHCICommandHeader *cmd); 545 void ahci_set_command_header(AHCIQState *ahci, uint8_t port, 546 uint8_t slot, AHCICommandHeader *cmd); 547 void ahci_destroy_command(AHCIQState *ahci, uint8_t port, uint8_t slot); 548 void ahci_write_fis(AHCIQState *ahci, RegH2DFIS *fis, uint64_t addr); 549 unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t port); 550 unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd); 551 void ahci_guest_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 552 uint64_t gbuffer, size_t size, uint64_t sector); 553 AHCICommand *ahci_guest_io_halt(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 554 uint64_t gbuffer, size_t size, uint64_t sector); 555 void ahci_guest_io_resume(AHCIQState *ahci, AHCICommand *cmd); 556 void ahci_io(AHCIQState *ahci, uint8_t port, uint8_t ide_cmd, 557 void *buffer, size_t bufsize, uint64_t sector); 558 559 /* Command Lifecycle */ 560 AHCICommand *ahci_command_create(uint8_t command_name); 561 void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t port); 562 void ahci_command_issue(AHCIQState *ahci, AHCICommand *cmd); 563 void ahci_command_issue_async(AHCIQState *ahci, AHCICommand *cmd); 564 void ahci_command_wait(AHCIQState *ahci, AHCICommand *cmd); 565 void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd); 566 void ahci_command_free(AHCICommand *cmd); 567 568 /* Command adjustments */ 569 void ahci_command_set_flags(AHCICommand *cmd, uint16_t cmdh_flags); 570 void ahci_command_clr_flags(AHCICommand *cmd, uint16_t cmdh_flags); 571 void ahci_command_set_offset(AHCICommand *cmd, uint64_t lba_sect); 572 void ahci_command_set_buffer(AHCICommand *cmd, uint64_t buffer); 573 void ahci_command_set_size(AHCICommand *cmd, uint64_t xbytes); 574 void ahci_command_set_prd_size(AHCICommand *cmd, unsigned prd_size); 575 void ahci_command_set_sizes(AHCICommand *cmd, uint64_t xbytes, 576 unsigned prd_size); 577 void ahci_command_adjust(AHCICommand *cmd, uint64_t lba_sect, uint64_t gbuffer, 578 uint64_t xbytes, unsigned prd_size); 579 580 /* Command Misc */ 581 uint8_t ahci_command_slot(AHCICommand *cmd); 582 583 #endif 584