|  | #ifndef HW_IDE_INTERNAL_H | 
|  | #define HW_IDE_INTERNAL_H | 
|  |  | 
|  | /* | 
|  | * QEMU IDE Emulation -- internal header file | 
|  | * only files in hw/ide/ are supposed to include this file. | 
|  | * non-internal declarations are in hw/ide.h | 
|  | */ | 
|  | #include <hw/ide.h> | 
|  | #include "block_int.h" | 
|  | #include "iorange.h" | 
|  |  | 
|  | /* debug IDE devices */ | 
|  | //#define DEBUG_IDE | 
|  | //#define DEBUG_IDE_ATAPI | 
|  | //#define DEBUG_AIO | 
|  | #define USE_DMA_CDROM | 
|  |  | 
|  | typedef struct IDEBus IDEBus; | 
|  | typedef struct IDEDevice IDEDevice; | 
|  | typedef struct IDEDeviceInfo IDEDeviceInfo; | 
|  | typedef struct IDEState IDEState; | 
|  | typedef struct IDEDMA IDEDMA; | 
|  | typedef struct IDEDMAOps IDEDMAOps; | 
|  |  | 
|  | /* Bits of HD_STATUS */ | 
|  | #define ERR_STAT		0x01 | 
|  | #define INDEX_STAT		0x02 | 
|  | #define ECC_STAT		0x04	/* Corrected error */ | 
|  | #define DRQ_STAT		0x08 | 
|  | #define SEEK_STAT		0x10 | 
|  | #define SRV_STAT		0x10 | 
|  | #define WRERR_STAT		0x20 | 
|  | #define READY_STAT		0x40 | 
|  | #define BUSY_STAT		0x80 | 
|  |  | 
|  | /* Bits for HD_ERROR */ | 
|  | #define MARK_ERR		0x01	/* Bad address mark */ | 
|  | #define TRK0_ERR		0x02	/* couldn't find track 0 */ | 
|  | #define ABRT_ERR		0x04	/* Command aborted */ | 
|  | #define MCR_ERR			0x08	/* media change request */ | 
|  | #define ID_ERR			0x10	/* ID field not found */ | 
|  | #define MC_ERR			0x20	/* media changed */ | 
|  | #define ECC_ERR			0x40	/* Uncorrectable ECC error */ | 
|  | #define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */ | 
|  | #define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */ | 
|  |  | 
|  | /* Bits of HD_NSECTOR */ | 
|  | #define CD			0x01 | 
|  | #define IO			0x02 | 
|  | #define REL			0x04 | 
|  | #define TAG_MASK		0xf8 | 
|  |  | 
|  | #define IDE_CMD_RESET           0x04 | 
|  | #define IDE_CMD_DISABLE_IRQ     0x02 | 
|  |  | 
|  | /* ATA/ATAPI Commands pre T13 Spec */ | 
|  | #define WIN_NOP				0x00 | 
|  | /* | 
|  | *	0x01->0x02 Reserved | 
|  | */ | 
|  | #define CFA_REQ_EXT_ERROR_CODE		0x03 /* CFA Request Extended Error Code */ | 
|  | /* | 
|  | *	0x04->0x07 Reserved | 
|  | */ | 
|  | #define WIN_SRST			0x08 /* ATAPI soft reset command */ | 
|  | #define WIN_DEVICE_RESET		0x08 | 
|  | /* | 
|  | *	0x09->0x0F Reserved | 
|  | */ | 
|  | #define WIN_RECAL			0x10 | 
|  | #define WIN_RESTORE			WIN_RECAL | 
|  | /* | 
|  | *	0x10->0x1F Reserved | 
|  | */ | 
|  | #define WIN_READ			0x20 /* 28-Bit */ | 
|  | #define WIN_READ_ONCE			0x21 /* 28-Bit without retries */ | 
|  | #define WIN_READ_LONG			0x22 /* 28-Bit */ | 
|  | #define WIN_READ_LONG_ONCE		0x23 /* 28-Bit without retries */ | 
|  | #define WIN_READ_EXT			0x24 /* 48-Bit */ | 
|  | #define WIN_READDMA_EXT			0x25 /* 48-Bit */ | 
|  | #define WIN_READDMA_QUEUED_EXT		0x26 /* 48-Bit */ | 
|  | #define WIN_READ_NATIVE_MAX_EXT		0x27 /* 48-Bit */ | 
|  | /* | 
|  | *	0x28 | 
|  | */ | 
|  | #define WIN_MULTREAD_EXT		0x29 /* 48-Bit */ | 
|  | /* | 
|  | *	0x2A->0x2F Reserved | 
|  | */ | 
|  | #define WIN_WRITE			0x30 /* 28-Bit */ | 
|  | #define WIN_WRITE_ONCE			0x31 /* 28-Bit without retries */ | 
|  | #define WIN_WRITE_LONG			0x32 /* 28-Bit */ | 
|  | #define WIN_WRITE_LONG_ONCE		0x33 /* 28-Bit without retries */ | 
|  | #define WIN_WRITE_EXT			0x34 /* 48-Bit */ | 
|  | #define WIN_WRITEDMA_EXT		0x35 /* 48-Bit */ | 
|  | #define WIN_WRITEDMA_QUEUED_EXT		0x36 /* 48-Bit */ | 
|  | #define WIN_SET_MAX_EXT			0x37 /* 48-Bit */ | 
|  | #define CFA_WRITE_SECT_WO_ERASE		0x38 /* CFA Write Sectors without erase */ | 
|  | #define WIN_MULTWRITE_EXT		0x39 /* 48-Bit */ | 
|  | /* | 
|  | *	0x3A->0x3B Reserved | 
|  | */ | 
|  | #define WIN_WRITE_VERIFY		0x3C /* 28-Bit */ | 
|  | /* | 
|  | *	0x3D->0x3F Reserved | 
|  | */ | 
|  | #define WIN_VERIFY			0x40 /* 28-Bit - Read Verify Sectors */ | 
|  | #define WIN_VERIFY_ONCE			0x41 /* 28-Bit - without retries */ | 
|  | #define WIN_VERIFY_EXT			0x42 /* 48-Bit */ | 
|  | /* | 
|  | *	0x43->0x4F Reserved | 
|  | */ | 
|  | #define WIN_FORMAT			0x50 | 
|  | /* | 
|  | *	0x51->0x5F Reserved | 
|  | */ | 
|  | #define WIN_INIT			0x60 | 
|  | /* | 
|  | *	0x61->0x5F Reserved | 
|  | */ | 
|  | #define WIN_SEEK			0x70 /* 0x70-0x7F Reserved */ | 
|  | #define CFA_TRANSLATE_SECTOR		0x87 /* CFA Translate Sector */ | 
|  | #define WIN_DIAGNOSE			0x90 | 
|  | #define WIN_SPECIFY			0x91 /* set drive geometry translation */ | 
|  | #define WIN_DOWNLOAD_MICROCODE		0x92 | 
|  | #define WIN_STANDBYNOW2			0x94 | 
|  | #define CFA_IDLEIMMEDIATE		0x95 /* force drive to become "ready" */ | 
|  | #define WIN_STANDBY2			0x96 | 
|  | #define WIN_SETIDLE2			0x97 | 
|  | #define WIN_CHECKPOWERMODE2		0x98 | 
|  | #define WIN_SLEEPNOW2			0x99 | 
|  | /* | 
|  | *	0x9A VENDOR | 
|  | */ | 
|  | #define WIN_PACKETCMD			0xA0 /* Send a packet command. */ | 
|  | #define WIN_PIDENTIFY			0xA1 /* identify ATAPI device	*/ | 
|  | #define WIN_QUEUED_SERVICE		0xA2 | 
|  | #define WIN_SMART			0xB0 /* self-monitoring and reporting */ | 
|  | #define CFA_ACCESS_METADATA_STORAGE	0xB8 | 
|  | #define CFA_ERASE_SECTORS       	0xC0 /* microdrives implement as NOP */ | 
|  | #define WIN_MULTREAD			0xC4 /* read sectors using multiple mode*/ | 
|  | #define WIN_MULTWRITE			0xC5 /* write sectors using multiple mode */ | 
|  | #define WIN_SETMULT			0xC6 /* enable/disable multiple mode */ | 
|  | #define WIN_READDMA_QUEUED		0xC7 /* read sectors using Queued DMA transfers */ | 
|  | #define WIN_READDMA			0xC8 /* read sectors using DMA transfers */ | 
|  | #define WIN_READDMA_ONCE		0xC9 /* 28-Bit - without retries */ | 
|  | #define WIN_WRITEDMA			0xCA /* write sectors using DMA transfers */ | 
|  | #define WIN_WRITEDMA_ONCE		0xCB /* 28-Bit - without retries */ | 
|  | #define WIN_WRITEDMA_QUEUED		0xCC /* write sectors using Queued DMA transfers */ | 
|  | #define CFA_WRITE_MULTI_WO_ERASE	0xCD /* CFA Write multiple without erase */ | 
|  | #define WIN_GETMEDIASTATUS		0xDA | 
|  | #define WIN_ACKMEDIACHANGE		0xDB /* ATA-1, ATA-2 vendor */ | 
|  | #define WIN_POSTBOOT			0xDC | 
|  | #define WIN_PREBOOT			0xDD | 
|  | #define WIN_DOORLOCK			0xDE /* lock door on removable drives */ | 
|  | #define WIN_DOORUNLOCK			0xDF /* unlock door on removable drives */ | 
|  | #define WIN_STANDBYNOW1			0xE0 | 
|  | #define WIN_IDLEIMMEDIATE		0xE1 /* force drive to become "ready" */ | 
|  | #define WIN_STANDBY             	0xE2 /* Set device in Standby Mode */ | 
|  | #define WIN_SETIDLE1			0xE3 | 
|  | #define WIN_READ_BUFFER			0xE4 /* force read only 1 sector */ | 
|  | #define WIN_CHECKPOWERMODE1		0xE5 | 
|  | #define WIN_SLEEPNOW1			0xE6 | 
|  | #define WIN_FLUSH_CACHE			0xE7 | 
|  | #define WIN_WRITE_BUFFER		0xE8 /* force write only 1 sector */ | 
|  | #define WIN_WRITE_SAME			0xE9 /* read ata-2 to use */ | 
|  | /* SET_FEATURES 0x22 or 0xDD */ | 
|  | #define WIN_FLUSH_CACHE_EXT		0xEA /* 48-Bit */ | 
|  | #define WIN_IDENTIFY			0xEC /* ask drive to identify itself	*/ | 
|  | #define WIN_MEDIAEJECT			0xED | 
|  | #define WIN_IDENTIFY_DMA		0xEE /* same as WIN_IDENTIFY, but DMA */ | 
|  | #define WIN_SETFEATURES			0xEF /* set special drive features */ | 
|  | #define EXABYTE_ENABLE_NEST		0xF0 | 
|  | #define IBM_SENSE_CONDITION		0xF0 /* measure disk temperature */ | 
|  | #define WIN_SECURITY_SET_PASS		0xF1 | 
|  | #define WIN_SECURITY_UNLOCK		0xF2 | 
|  | #define WIN_SECURITY_ERASE_PREPARE	0xF3 | 
|  | #define WIN_SECURITY_ERASE_UNIT		0xF4 | 
|  | #define WIN_SECURITY_FREEZE_LOCK	0xF5 | 
|  | #define CFA_WEAR_LEVEL			0xF5 /* microdrives implement as NOP */ | 
|  | #define WIN_SECURITY_DISABLE		0xF6 | 
|  | #define WIN_READ_NATIVE_MAX		0xF8 /* return the native maximum address */ | 
|  | #define WIN_SET_MAX			0xF9 | 
|  | #define DISABLE_SEAGATE			0xFB | 
|  |  | 
|  | /* set to 1 set disable mult support */ | 
|  | #define MAX_MULT_SECTORS 16 | 
|  |  | 
|  | #define IDE_DMA_BUF_SECTORS 256 | 
|  |  | 
|  | #if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS) | 
|  | #error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS" | 
|  | #endif | 
|  |  | 
|  | /* ATAPI defines */ | 
|  |  | 
|  | #define ATAPI_PACKET_SIZE 12 | 
|  |  | 
|  | /* The generic packet command opcodes for CD/DVD Logical Units, | 
|  | * From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */ | 
|  | #define GPCMD_BLANK			    0xa1 | 
|  | #define GPCMD_CLOSE_TRACK		    0x5b | 
|  | #define GPCMD_FLUSH_CACHE		    0x35 | 
|  | #define GPCMD_FORMAT_UNIT		    0x04 | 
|  | #define GPCMD_GET_CONFIGURATION		    0x46 | 
|  | #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a | 
|  | #define GPCMD_GET_PERFORMANCE		    0xac | 
|  | #define GPCMD_INQUIRY			    0x12 | 
|  | #define GPCMD_LOAD_UNLOAD		    0xa6 | 
|  | #define GPCMD_MECHANISM_STATUS		    0xbd | 
|  | #define GPCMD_MODE_SELECT_10		    0x55 | 
|  | #define GPCMD_MODE_SENSE_10		    0x5a | 
|  | #define GPCMD_PAUSE_RESUME		    0x4b | 
|  | #define GPCMD_PLAY_AUDIO_10		    0x45 | 
|  | #define GPCMD_PLAY_AUDIO_MSF		    0x47 | 
|  | #define GPCMD_PLAY_AUDIO_TI		    0x48 | 
|  | #define GPCMD_PLAY_CD			    0xbc | 
|  | #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e | 
|  | #define GPCMD_READ_10			    0x28 | 
|  | #define GPCMD_READ_12			    0xa8 | 
|  | #define GPCMD_READ_CDVD_CAPACITY	    0x25 | 
|  | #define GPCMD_READ_CD			    0xbe | 
|  | #define GPCMD_READ_CD_MSF		    0xb9 | 
|  | #define GPCMD_READ_DISC_INFO		    0x51 | 
|  | #define GPCMD_READ_DVD_STRUCTURE	    0xad | 
|  | #define GPCMD_READ_FORMAT_CAPACITIES	    0x23 | 
|  | #define GPCMD_READ_HEADER		    0x44 | 
|  | #define GPCMD_READ_TRACK_RZONE_INFO	    0x52 | 
|  | #define GPCMD_READ_SUBCHANNEL		    0x42 | 
|  | #define GPCMD_READ_TOC_PMA_ATIP		    0x43 | 
|  | #define GPCMD_REPAIR_RZONE_TRACK	    0x58 | 
|  | #define GPCMD_REPORT_KEY		    0xa4 | 
|  | #define GPCMD_REQUEST_SENSE		    0x03 | 
|  | #define GPCMD_RESERVE_RZONE_TRACK	    0x53 | 
|  | #define GPCMD_SCAN			    0xba | 
|  | #define GPCMD_SEEK			    0x2b | 
|  | #define GPCMD_SEND_DVD_STRUCTURE	    0xad | 
|  | #define GPCMD_SEND_EVENT		    0xa2 | 
|  | #define GPCMD_SEND_KEY			    0xa3 | 
|  | #define GPCMD_SEND_OPC			    0x54 | 
|  | #define GPCMD_SET_READ_AHEAD		    0xa7 | 
|  | #define GPCMD_SET_STREAMING		    0xb6 | 
|  | #define GPCMD_START_STOP_UNIT		    0x1b | 
|  | #define GPCMD_STOP_PLAY_SCAN		    0x4e | 
|  | #define GPCMD_TEST_UNIT_READY		    0x00 | 
|  | #define GPCMD_VERIFY_10			    0x2f | 
|  | #define GPCMD_WRITE_10			    0x2a | 
|  | #define GPCMD_WRITE_AND_VERIFY_10	    0x2e | 
|  | /* This is listed as optional in ATAPI 2.6, but is (curiously) | 
|  | * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji | 
|  | * Table 377 as an MMC command for SCSi devices though...  Most ATAPI | 
|  | * drives support it. */ | 
|  | #define GPCMD_SET_SPEED			    0xbb | 
|  | /* This seems to be a SCSI specific CD-ROM opcode | 
|  | * to play data at track/index */ | 
|  | #define GPCMD_PLAYAUDIO_TI		    0x48 | 
|  | /* | 
|  | * From MS Media Status Notification Support Specification. For | 
|  | * older drives only. | 
|  | */ | 
|  | #define GPCMD_GET_MEDIA_STATUS		    0xda | 
|  | #define GPCMD_MODE_SENSE_6		    0x1a | 
|  |  | 
|  | /* Mode page codes for mode sense/set */ | 
|  | #define GPMODE_R_W_ERROR_PAGE		0x01 | 
|  | #define GPMODE_WRITE_PARMS_PAGE		0x05 | 
|  | #define GPMODE_AUDIO_CTL_PAGE		0x0e | 
|  | #define GPMODE_POWER_PAGE		0x1a | 
|  | #define GPMODE_FAULT_FAIL_PAGE		0x1c | 
|  | #define GPMODE_TO_PROTECT_PAGE		0x1d | 
|  | #define GPMODE_CAPABILITIES_PAGE	0x2a | 
|  | #define GPMODE_ALL_PAGES		0x3f | 
|  | /* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor | 
|  | * of MODE_SENSE_POWER_PAGE */ | 
|  | #define GPMODE_CDROM_PAGE		0x0d | 
|  |  | 
|  | /* | 
|  | * Based on values from <linux/cdrom.h> but extending CD_MINS | 
|  | * to the maximum common size allowed by the Orange's Book ATIP | 
|  | * | 
|  | * 90 and 99 min CDs are also available but using them as the | 
|  | * upper limit reduces the effectiveness of the heuristic to | 
|  | * detect DVDs burned to less than 25% of their maximum capacity | 
|  | */ | 
|  |  | 
|  | /* Some generally useful CD-ROM information */ | 
|  | #define CD_MINS                       80 /* max. minutes per CD */ | 
|  | #define CD_SECS                       60 /* seconds per minute */ | 
|  | #define CD_FRAMES                     75 /* frames per second */ | 
|  | #define CD_FRAMESIZE                2048 /* bytes per frame, "cooked" mode */ | 
|  | #define CD_MAX_BYTES       (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE) | 
|  | #define CD_MAX_SECTORS     (CD_MAX_BYTES / 512) | 
|  |  | 
|  | /* | 
|  | * The MMC values are not IDE specific and might need to be moved | 
|  | * to a common header if they are also needed for the SCSI emulation | 
|  | */ | 
|  |  | 
|  | /* Profile list from MMC-6 revision 1 table 91 */ | 
|  | #define MMC_PROFILE_NONE                0x0000 | 
|  | #define MMC_PROFILE_CD_ROM              0x0008 | 
|  | #define MMC_PROFILE_CD_R                0x0009 | 
|  | #define MMC_PROFILE_CD_RW               0x000A | 
|  | #define MMC_PROFILE_DVD_ROM             0x0010 | 
|  | #define MMC_PROFILE_DVD_R_SR            0x0011 | 
|  | #define MMC_PROFILE_DVD_RAM             0x0012 | 
|  | #define MMC_PROFILE_DVD_RW_RO           0x0013 | 
|  | #define MMC_PROFILE_DVD_RW_SR           0x0014 | 
|  | #define MMC_PROFILE_DVD_R_DL_SR         0x0015 | 
|  | #define MMC_PROFILE_DVD_R_DL_JR         0x0016 | 
|  | #define MMC_PROFILE_DVD_RW_DL           0x0017 | 
|  | #define MMC_PROFILE_DVD_DDR             0x0018 | 
|  | #define MMC_PROFILE_DVD_PLUS_RW         0x001A | 
|  | #define MMC_PROFILE_DVD_PLUS_R          0x001B | 
|  | #define MMC_PROFILE_DVD_PLUS_RW_DL      0x002A | 
|  | #define MMC_PROFILE_DVD_PLUS_R_DL       0x002B | 
|  | #define MMC_PROFILE_BD_ROM              0x0040 | 
|  | #define MMC_PROFILE_BD_R_SRM            0x0041 | 
|  | #define MMC_PROFILE_BD_R_RRM            0x0042 | 
|  | #define MMC_PROFILE_BD_RE               0x0043 | 
|  | #define MMC_PROFILE_HDDVD_ROM           0x0050 | 
|  | #define MMC_PROFILE_HDDVD_R             0x0051 | 
|  | #define MMC_PROFILE_HDDVD_RAM           0x0052 | 
|  | #define MMC_PROFILE_HDDVD_RW            0x0053 | 
|  | #define MMC_PROFILE_HDDVD_R_DL          0x0058 | 
|  | #define MMC_PROFILE_HDDVD_RW_DL         0x005A | 
|  | #define MMC_PROFILE_INVALID             0xFFFF | 
|  |  | 
|  | #define ATAPI_INT_REASON_CD             0x01 /* 0 = data transfer */ | 
|  | #define ATAPI_INT_REASON_IO             0x02 /* 1 = transfer to the host */ | 
|  | #define ATAPI_INT_REASON_REL            0x04 | 
|  | #define ATAPI_INT_REASON_TAG            0xf8 | 
|  |  | 
|  | /* same constants as bochs */ | 
|  | #define ASC_ILLEGAL_OPCODE                   0x20 | 
|  | #define ASC_LOGICAL_BLOCK_OOR                0x21 | 
|  | #define ASC_INV_FIELD_IN_CMD_PACKET          0x24 | 
|  | #define ASC_MEDIUM_MAY_HAVE_CHANGED          0x28 | 
|  | #define ASC_INCOMPATIBLE_FORMAT              0x30 | 
|  | #define ASC_MEDIUM_NOT_PRESENT               0x3a | 
|  | #define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39 | 
|  | #define ASC_MEDIA_REMOVAL_PREVENTED          0x53 | 
|  |  | 
|  | #define CFA_NO_ERROR            0x00 | 
|  | #define CFA_MISC_ERROR          0x09 | 
|  | #define CFA_INVALID_COMMAND     0x20 | 
|  | #define CFA_INVALID_ADDRESS     0x21 | 
|  | #define CFA_ADDRESS_OVERFLOW    0x2f | 
|  |  | 
|  | #define SENSE_NONE            0 | 
|  | #define SENSE_NOT_READY       2 | 
|  | #define SENSE_ILLEGAL_REQUEST 5 | 
|  | #define SENSE_UNIT_ATTENTION  6 | 
|  |  | 
|  | #define SMART_READ_DATA       0xd0 | 
|  | #define SMART_READ_THRESH     0xd1 | 
|  | #define SMART_ATTR_AUTOSAVE   0xd2 | 
|  | #define SMART_SAVE_ATTR       0xd3 | 
|  | #define SMART_EXECUTE_OFFLINE 0xd4 | 
|  | #define SMART_READ_LOG        0xd5 | 
|  | #define SMART_WRITE_LOG       0xd6 | 
|  | #define SMART_ENABLE          0xd8 | 
|  | #define SMART_DISABLE         0xd9 | 
|  | #define SMART_STATUS          0xda | 
|  |  | 
|  | typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind; | 
|  |  | 
|  | typedef void EndTransferFunc(IDEState *); | 
|  |  | 
|  | typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockDriverCompletionFunc *); | 
|  | typedef int DMAFunc(IDEDMA *); | 
|  | typedef int DMAIntFunc(IDEDMA *, int); | 
|  | typedef void DMARestartFunc(void *, int, int); | 
|  |  | 
|  | /* NOTE: IDEState represents in fact one drive */ | 
|  | struct IDEState { | 
|  | IDEBus *bus; | 
|  | uint8_t unit; | 
|  | /* ide config */ | 
|  | IDEDriveKind drive_kind; | 
|  | int cylinders, heads, sectors; | 
|  | int64_t nb_sectors; | 
|  | int mult_sectors; | 
|  | int identify_set; | 
|  | uint8_t identify_data[512]; | 
|  | int drive_serial; | 
|  | char drive_serial_str[21]; | 
|  | /* ide regs */ | 
|  | uint8_t feature; | 
|  | uint8_t error; | 
|  | uint32_t nsector; | 
|  | uint8_t sector; | 
|  | uint8_t lcyl; | 
|  | uint8_t hcyl; | 
|  | /* other part of tf for lba48 support */ | 
|  | uint8_t hob_feature; | 
|  | uint8_t hob_nsector; | 
|  | uint8_t hob_sector; | 
|  | uint8_t hob_lcyl; | 
|  | uint8_t hob_hcyl; | 
|  |  | 
|  | uint8_t select; | 
|  | uint8_t status; | 
|  |  | 
|  | /* set for lba48 access */ | 
|  | uint8_t lba48; | 
|  | BlockDriverState *bs; | 
|  | char version[9]; | 
|  | /* ATAPI specific */ | 
|  | uint8_t sense_key; | 
|  | uint8_t asc; | 
|  | uint8_t cdrom_changed; | 
|  | int packet_transfer_size; | 
|  | int elementary_transfer_size; | 
|  | int io_buffer_index; | 
|  | int lba; | 
|  | int cd_sector_size; | 
|  | int atapi_dma; /* true if dma is requested for the packet cmd */ | 
|  | /* ATA DMA state */ | 
|  | int io_buffer_size; | 
|  | QEMUSGList sg; | 
|  | /* PIO transfer handling */ | 
|  | int req_nb_sectors; /* number of sectors per interrupt */ | 
|  | EndTransferFunc *end_transfer_func; | 
|  | uint8_t *data_ptr; | 
|  | uint8_t *data_end; | 
|  | uint8_t *io_buffer; | 
|  | /* PIO save/restore */ | 
|  | int32_t io_buffer_total_len; | 
|  | int cur_io_buffer_offset; | 
|  | int cur_io_buffer_len; | 
|  | uint8_t end_transfer_fn_idx; | 
|  | QEMUTimer *sector_write_timer; /* only used for win2k install hack */ | 
|  | uint32_t irq_count; /* counts IRQs when using win2k install hack */ | 
|  | /* CF-ATA extended error */ | 
|  | uint8_t ext_error; | 
|  | /* CF-ATA metadata storage */ | 
|  | uint32_t mdata_size; | 
|  | uint8_t *mdata_storage; | 
|  | int media_changed; | 
|  | int is_read; | 
|  | /* SMART */ | 
|  | uint8_t smart_enabled; | 
|  | uint8_t smart_autosave; | 
|  | int smart_errors; | 
|  | uint8_t smart_selftest_count; | 
|  | uint8_t *smart_selftest_data; | 
|  | /* AHCI */ | 
|  | int ncq_queues; | 
|  | }; | 
|  |  | 
|  | struct IDEDMAOps { | 
|  | DMAStartFunc *start_dma; | 
|  | DMAFunc *start_transfer; | 
|  | DMAIntFunc *prepare_buf; | 
|  | DMAIntFunc *rw_buf; | 
|  | DMAIntFunc *set_unit; | 
|  | DMAIntFunc *add_status; | 
|  | DMAFunc *set_inactive; | 
|  | DMARestartFunc *restart_cb; | 
|  | DMAFunc *reset; | 
|  | }; | 
|  |  | 
|  | struct IDEDMA { | 
|  | const struct IDEDMAOps *ops; | 
|  | struct iovec iov; | 
|  | QEMUIOVector qiov; | 
|  | BlockDriverAIOCB *aiocb; | 
|  | }; | 
|  |  | 
|  | struct IDEBus { | 
|  | BusState qbus; | 
|  | IDEDevice *master; | 
|  | IDEDevice *slave; | 
|  | IDEState ifs[2]; | 
|  | int bus_id; | 
|  | IDEDMA *dma; | 
|  | uint8_t unit; | 
|  | uint8_t cmd; | 
|  | qemu_irq irq; | 
|  | }; | 
|  |  | 
|  | struct IDEDevice { | 
|  | DeviceState qdev; | 
|  | uint32_t unit; | 
|  | BlockConf conf; | 
|  | char *version; | 
|  | char *serial; | 
|  | }; | 
|  |  | 
|  | typedef int (*ide_qdev_initfn)(IDEDevice *dev); | 
|  | struct IDEDeviceInfo { | 
|  | DeviceInfo qdev; | 
|  | ide_qdev_initfn init; | 
|  | }; | 
|  |  | 
|  | #define BM_STATUS_DMAING 0x01 | 
|  | #define BM_STATUS_ERROR  0x02 | 
|  | #define BM_STATUS_INT    0x04 | 
|  | #define BM_STATUS_DMA_RETRY  0x08 | 
|  | #define BM_STATUS_PIO_RETRY  0x10 | 
|  | #define BM_STATUS_RETRY_READ  0x20 | 
|  | #define BM_STATUS_RETRY_FLUSH 0x40 | 
|  |  | 
|  | #define BM_CMD_START     0x01 | 
|  | #define BM_CMD_READ      0x08 | 
|  |  | 
|  | static inline IDEState *idebus_active_if(IDEBus *bus) | 
|  | { | 
|  | return bus->ifs + bus->unit; | 
|  | } | 
|  |  | 
|  | static inline void ide_set_irq(IDEBus *bus) | 
|  | { | 
|  | if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) { | 
|  | qemu_irq_raise(bus->irq); | 
|  | } | 
|  | } | 
|  |  | 
|  | /* hw/ide/core.c */ | 
|  | extern const VMStateDescription vmstate_ide_bus; | 
|  |  | 
|  | #define VMSTATE_IDE_BUS(_field, _state)                          \ | 
|  | VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus) | 
|  |  | 
|  | #define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num)              \ | 
|  | VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus) | 
|  |  | 
|  | extern const VMStateDescription vmstate_ide_drive; | 
|  |  | 
|  | #define VMSTATE_IDE_DRIVES(_field, _state) \ | 
|  | VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState) | 
|  |  | 
|  | void ide_bus_reset(IDEBus *bus); | 
|  | int64_t ide_get_sector(IDEState *s); | 
|  | void ide_set_sector(IDEState *s, int64_t sector_num); | 
|  |  | 
|  | void ide_dma_error(IDEState *s); | 
|  |  | 
|  | void ide_atapi_cmd_ok(IDEState *s); | 
|  | void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc); | 
|  | void ide_atapi_io_error(IDEState *s, int ret); | 
|  |  | 
|  | void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val); | 
|  | uint32_t ide_ioport_read(void *opaque, uint32_t addr1); | 
|  | uint32_t ide_status_read(void *opaque, uint32_t addr); | 
|  | void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val); | 
|  | void ide_data_writew(void *opaque, uint32_t addr, uint32_t val); | 
|  | uint32_t ide_data_readw(void *opaque, uint32_t addr); | 
|  | void ide_data_writel(void *opaque, uint32_t addr, uint32_t val); | 
|  | uint32_t ide_data_readl(void *opaque, uint32_t addr); | 
|  |  | 
|  | int ide_init_drive(IDEState *s, BlockDriverState *bs, | 
|  | const char *version, const char *serial); | 
|  | void ide_init2(IDEBus *bus, qemu_irq irq); | 
|  | void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0, | 
|  | DriveInfo *hd1, qemu_irq irq); | 
|  | void ide_init_ioport(IDEBus *bus, int iobase, int iobase2); | 
|  |  | 
|  | void ide_exec_cmd(IDEBus *bus, uint32_t val); | 
|  | void ide_dma_cb(void *opaque, int ret); | 
|  | void ide_sector_write(IDEState *s); | 
|  | void ide_sector_read(IDEState *s); | 
|  | void ide_flush_cache(IDEState *s); | 
|  |  | 
|  | /* hw/ide/qdev.c */ | 
|  | void ide_bus_new(IDEBus *idebus, DeviceState *dev, int bus_id); | 
|  | IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive); | 
|  |  | 
|  | #endif /* HW_IDE_INTERNAL_H */ |