d1570baa57
Patchworks-ID: 35306 Signed-off-by: Juan Quintela <quintela@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
551 lines
18 KiB
C
551 lines
18 KiB
C
#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>
|
|
|
|
/* 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 BMDMAState BMDMAState;
|
|
|
|
/* 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 void EndTransferFunc(IDEState *);
|
|
|
|
/* NOTE: IDEState represents in fact one drive */
|
|
struct IDEState {
|
|
IDEBus *bus;
|
|
uint8_t unit;
|
|
/* ide config */
|
|
int is_cdrom;
|
|
int is_cf;
|
|
int cylinders, heads, sectors;
|
|
int64_t nb_sectors;
|
|
int mult_sectors;
|
|
int identify_set;
|
|
uint16_t identify_data[256];
|
|
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;
|
|
/* 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;
|
|
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;
|
|
/* for pmac */
|
|
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;
|
|
};
|
|
|
|
struct IDEBus {
|
|
BusState qbus;
|
|
IDEDevice *master;
|
|
IDEDevice *slave;
|
|
BMDMAState *bmdma;
|
|
IDEState ifs[2];
|
|
uint8_t unit;
|
|
uint8_t cmd;
|
|
qemu_irq irq;
|
|
};
|
|
|
|
struct IDEDevice {
|
|
DeviceState qdev;
|
|
uint32_t unit;
|
|
DriveInfo *dinfo;
|
|
};
|
|
|
|
typedef int (*ide_qdev_initfn)(IDEDevice *dev);
|
|
struct IDEDeviceInfo {
|
|
DeviceInfo qdev;
|
|
ide_qdev_initfn init;
|
|
uint32_t unit;
|
|
DriveInfo *drive;
|
|
};
|
|
|
|
#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_CMD_START 0x01
|
|
#define BM_CMD_READ 0x08
|
|
|
|
struct BMDMAState {
|
|
uint8_t cmd;
|
|
uint8_t status;
|
|
uint32_t addr;
|
|
|
|
IDEBus *bus;
|
|
/* current transfer state */
|
|
uint32_t cur_addr;
|
|
uint32_t cur_prd_last;
|
|
uint32_t cur_prd_addr;
|
|
uint32_t cur_prd_len;
|
|
uint8_t unit;
|
|
BlockDriverCompletionFunc *dma_cb;
|
|
BlockDriverAIOCB *aiocb;
|
|
struct iovec iov;
|
|
QEMUIOVector qiov;
|
|
int64_t sector_num;
|
|
uint32_t nsector;
|
|
QEMUBH *bh;
|
|
};
|
|
|
|
static inline IDEState *idebus_active_if(IDEBus *bus)
|
|
{
|
|
return bus->ifs + bus->unit;
|
|
}
|
|
|
|
static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
|
|
{
|
|
assert(bmdma->unit != (uint8_t)-1);
|
|
return bmdma->bus->ifs + bmdma->unit;
|
|
}
|
|
|
|
static inline void ide_set_irq(IDEBus *bus)
|
|
{
|
|
BMDMAState *bm = bus->bmdma;
|
|
if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
|
|
if (bm) {
|
|
bm->status |= BM_STATUS_INT;
|
|
}
|
|
qemu_irq_raise(bus->irq);
|
|
}
|
|
}
|
|
|
|
/* hw/ide/core.c */
|
|
void ide_save(QEMUFile* f, IDEState *s);
|
|
void ide_load(QEMUFile* f, IDEState *s, int version_id);
|
|
void idebus_save(QEMUFile* f, IDEBus *bus);
|
|
void idebus_load(QEMUFile* f, IDEBus *bus, int version_id);
|
|
|
|
void ide_reset(IDEState *s);
|
|
int64_t ide_get_sector(IDEState *s);
|
|
void ide_set_sector(IDEState *s, int64_t sector_num);
|
|
|
|
void ide_dma_cancel(BMDMAState *bm);
|
|
void ide_dma_restart_cb(void *opaque, int running, int reason);
|
|
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);
|
|
|
|
void ide_init_drive(IDEState *s, DriveInfo *dinfo);
|
|
void ide_init2(IDEBus *bus, DriveInfo *hd0, DriveInfo *hd1,
|
|
qemu_irq irq);
|
|
void ide_init_ioport(IDEBus *bus, int iobase, int iobase2);
|
|
|
|
/* hw/ide/qdev.c */
|
|
void ide_bus_new(IDEBus *idebus, DeviceState *dev);
|
|
IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
|
|
|
|
#endif /* HW_IDE_INTERNAL_H */
|