The function ide_bus_new() does an in-place initialization. Rename it to ide_bus_init() to follow our _init vs _new convention. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: John Snow <jsnow@redhat.com> Acked-by: John Snow <jsnow@redhat.com> (Feel free to merge.) Message-id: 20210923121153.23754-7-peter.maydell@linaro.org
658 lines
23 KiB
C
658 lines
23 KiB
C
#ifndef HW_IDE_INTERNAL_H
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#define HW_IDE_INTERNAL_H
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/*
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* QEMU IDE Emulation -- internal header file
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* only files in hw/ide/ are supposed to include this file.
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* non-internal declarations are in hw/ide.h
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*/
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#include "qapi/qapi-types-run-state.h"
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#include "hw/ide.h"
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#include "hw/irq.h"
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#include "hw/isa/isa.h"
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#include "sysemu/dma.h"
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#include "hw/block/block.h"
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#include "scsi/constants.h"
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/* debug IDE devices */
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#define USE_DMA_CDROM
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#include "qom/object.h"
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typedef struct IDEDevice IDEDevice;
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typedef struct IDEState IDEState;
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typedef struct IDEDMA IDEDMA;
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typedef struct IDEDMAOps IDEDMAOps;
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#define TYPE_IDE_BUS "IDE"
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OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS)
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#define MAX_IDE_DEVS 2
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/* Device/Head ("select") Register */
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#define ATA_DEV_SELECT 0x10
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/* ATA1,3: Defined as '1'.
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* ATA2: Reserved.
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* ATA3-7: obsolete. */
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#define ATA_DEV_ALWAYS_ON 0xA0
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#define ATA_DEV_LBA 0x40
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#define ATA_DEV_LBA_MSB 0x0F /* LBA 24:27 */
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#define ATA_DEV_HS 0x0F /* HS 3:0 */
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/* Bits of HD_STATUS */
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#define ERR_STAT 0x01
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#define INDEX_STAT 0x02
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#define ECC_STAT 0x04 /* Corrected error */
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#define DRQ_STAT 0x08
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#define SEEK_STAT 0x10
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#define SRV_STAT 0x10
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#define WRERR_STAT 0x20
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#define READY_STAT 0x40
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#define BUSY_STAT 0x80
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/* Bits for HD_ERROR */
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#define MARK_ERR 0x01 /* Bad address mark */
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#define TRK0_ERR 0x02 /* couldn't find track 0 */
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#define ABRT_ERR 0x04 /* Command aborted */
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#define MCR_ERR 0x08 /* media change request */
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#define ID_ERR 0x10 /* ID field not found */
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#define MC_ERR 0x20 /* media changed */
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#define ECC_ERR 0x40 /* Uncorrectable ECC error */
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#define BBD_ERR 0x80 /* pre-EIDE meaning: block marked bad */
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#define ICRC_ERR 0x80 /* new meaning: CRC error during transfer */
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/* Bits of HD_NSECTOR */
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#define CD 0x01
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#define IO 0x02
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#define REL 0x04
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#define TAG_MASK 0xf8
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/* Bits of Device Control register */
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#define IDE_CTRL_HOB 0x80
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#define IDE_CTRL_RESET 0x04
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#define IDE_CTRL_DISABLE_IRQ 0x02
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/* ACS-2 T13/2015-D Table B.2 Command codes */
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#define WIN_NOP 0x00
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/* reserved 0x01..0x02 */
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#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */
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/* reserved 0x04..0x05 */
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#define WIN_DSM 0x06
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/* reserved 0x07 */
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#define WIN_DEVICE_RESET 0x08
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/* reserved 0x09..0x0a */
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/* REQUEST SENSE DATA EXT 0x0B */
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/* reserved 0x0C..0x0F */
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#define WIN_RECAL 0x10 /* obsolete since ATA4 */
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/* obsolete since ATA3, retired in ATA4 0x11..0x1F */
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#define WIN_READ 0x20 /* 28-Bit */
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#define WIN_READ_ONCE 0x21 /* 28-Bit w/o retries, obsolete since ATA5 */
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/* obsolete since ATA4 0x22..0x23 */
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#define WIN_READ_EXT 0x24 /* 48-Bit */
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#define WIN_READDMA_EXT 0x25 /* 48-Bit */
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#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit, obsolete since ACS2 */
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#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */
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/* reserved 0x28 */
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#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */
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/* READ STREAM DMA EXT 0x2A */
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/* READ STREAM EXT 0x2B */
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/* reserved 0x2C..0x2E */
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/* READ LOG EXT 0x2F */
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#define WIN_WRITE 0x30 /* 28-Bit */
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#define WIN_WRITE_ONCE 0x31 /* 28-Bit w/o retries, obsolete since ATA5 */
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/* obsolete since ATA4 0x32..0x33 */
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#define WIN_WRITE_EXT 0x34 /* 48-Bit */
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#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */
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#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */
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#define WIN_SET_MAX_EXT 0x37 /* 48-Bit, obsolete since ACS2 */
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#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */
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#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */
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#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */
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/* WRITE STREAM DMA EXT 0x3A */
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/* WRITE STREAM EXT 0x3B */
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#define WIN_WRITE_VERIFY 0x3C /* 28-Bit, obsolete since ATA4 */
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/* WRITE DMA FUA EXT 0x3D */
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/* obsolete since ACS2 0x3E */
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/* WRITE LOG EXT 0x3F */
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#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */
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#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - w/o retries, obsolete since ATA5 */
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#define WIN_VERIFY_EXT 0x42 /* 48-Bit */
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/* reserved 0x43..0x44 */
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/* WRITE UNCORRECTABLE EXT 0x45 */
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/* reserved 0x46 */
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/* READ LOG DMA EXT 0x47 */
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/* reserved 0x48..0x4F */
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/* obsolete since ATA4 0x50 */
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/* CONFIGURE STREAM 0x51 */
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/* reserved 0x52..0x56 */
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/* WRITE LOG DMA EXT 0x57 */
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/* reserved 0x58..0x5A */
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/* TRUSTED NON DATA 0x5B */
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/* TRUSTED RECEIVE 0x5C */
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/* TRUSTED RECEIVE DMA 0x5D */
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/* TRUSTED SEND 0x5E */
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/* TRUSTED SEND DMA 0x5F */
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/* READ FPDMA QUEUED 0x60 */
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/* WRITE FPDMA QUEUED 0x61 */
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/* reserved 0x62->0x6F */
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#define WIN_SEEK 0x70 /* obsolete since ATA7 */
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/* reserved 0x71-0x7F */
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/* vendor specific 0x80-0x86 */
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#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */
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/* vendor specific 0x88-0x8F */
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#define WIN_DIAGNOSE 0x90
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#define WIN_SPECIFY 0x91 /* set drive geometry translation, obsolete since ATA6 */
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#define WIN_DOWNLOAD_MICROCODE 0x92
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/* DOWNLOAD MICROCODE DMA 0x93 */
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#define WIN_STANDBYNOW2 0x94 /* retired in ATA4 */
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#define WIN_IDLEIMMEDIATE2 0x95 /* force drive to become "ready", retired in ATA4 */
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#define WIN_STANDBY2 0x96 /* retired in ATA4 */
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#define WIN_SETIDLE2 0x97 /* retired in ATA4 */
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#define WIN_CHECKPOWERMODE2 0x98 /* retired in ATA4 */
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#define WIN_SLEEPNOW2 0x99 /* retired in ATA4 */
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/* vendor specific 0x9A */
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/* reserved 0x9B..0x9F */
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#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
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#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
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#define WIN_QUEUED_SERVICE 0xA2 /* obsolete since ACS2 */
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/* reserved 0xA3..0xAF */
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#define WIN_SMART 0xB0 /* self-monitoring and reporting */
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/* Device Configuration Overlay 0xB1 */
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/* reserved 0xB2..0xB3 */
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/* Sanitize Device 0xB4 */
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/* reserved 0xB5 */
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/* NV Cache 0xB6 */
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/* reserved for CFA 0xB7..0xBB */
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#define CFA_ACCESS_METADATA_STORAGE 0xB8
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/* reserved 0xBC..0xBF */
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#define CFA_ERASE_SECTORS 0xC0 /* microdrives implement as NOP */
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/* vendor specific 0xC1..0xC3 */
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#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/
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#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */
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#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */
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#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers, obsolete since ACS2 */
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#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
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#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - w/o retries, obsolete since ATA5 */
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#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
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#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - w/o retries, obsolete since ATA5 */
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#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers, obsolete since ACS2 */
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#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */
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/* WRITE MULTIPLE FUA EXT 0xCE */
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/* reserved 0xCF..0xDO */
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/* CHECK MEDIA CARD TYPE 0xD1 */
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/* reserved for media card pass through 0xD2..0xD4 */
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/* reserved 0xD5..0xD9 */
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#define WIN_GETMEDIASTATUS 0xDA /* obsolete since ATA8 */
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/* obsolete since ATA3, retired in ATA4 0xDB..0xDD */
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#define WIN_DOORLOCK 0xDE /* lock door on removable drives, obsolete since ATA8 */
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#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives, obsolete since ATA8 */
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#define WIN_STANDBYNOW1 0xE0
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#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
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#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */
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#define WIN_SETIDLE1 0xE3
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#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
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#define WIN_CHECKPOWERMODE1 0xE5
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#define WIN_SLEEPNOW1 0xE6
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#define WIN_FLUSH_CACHE 0xE7
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#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
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/* READ BUFFER DMA 0xE9 */
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#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */
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/* WRITE BUFFER DMA 0xEB */
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#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */
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#define WIN_MEDIAEJECT 0xED /* obsolete since ATA8 */
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/* obsolete since ATA4 0xEE */
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#define WIN_SETFEATURES 0xEF /* set special drive features */
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#define IBM_SENSE_CONDITION 0xF0 /* measure disk temperature, vendor specific */
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#define WIN_SECURITY_SET_PASS 0xF1
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#define WIN_SECURITY_UNLOCK 0xF2
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#define WIN_SECURITY_ERASE_PREPARE 0xF3
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#define WIN_SECURITY_ERASE_UNIT 0xF4
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#define WIN_SECURITY_FREEZE_LOCK 0xF5
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#define CFA_WEAR_LEVEL 0xF5 /* microdrives implement as NOP; not specified in T13! */
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#define WIN_SECURITY_DISABLE 0xF6
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/* vendor specific 0xF7 */
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#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */
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#define WIN_SET_MAX 0xF9
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/* vendor specific 0xFA..0xFF */
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/* set to 1 set disable mult support */
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#define MAX_MULT_SECTORS 16
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#define IDE_DMA_BUF_SECTORS 256
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/* feature values for Data Set Management */
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#define DSM_TRIM 0x01
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#if (IDE_DMA_BUF_SECTORS < MAX_MULT_SECTORS)
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#error "IDE_DMA_BUF_SECTORS must be bigger or equal to MAX_MULT_SECTORS"
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#endif
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/* ATAPI defines */
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#define ATAPI_PACKET_SIZE 12
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/* The generic packet command opcodes for CD/DVD Logical Units,
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* From Table 57 of the SFF8090 Ver. 3 (Mt. Fuji) draft standard. */
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#define GPCMD_BLANK 0xa1
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#define GPCMD_CLOSE_TRACK 0x5b
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#define GPCMD_FLUSH_CACHE 0x35
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#define GPCMD_FORMAT_UNIT 0x04
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#define GPCMD_GET_CONFIGURATION 0x46
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#define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a
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#define GPCMD_GET_PERFORMANCE 0xac
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#define GPCMD_INQUIRY 0x12
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#define GPCMD_LOAD_UNLOAD 0xa6
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#define GPCMD_MECHANISM_STATUS 0xbd
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#define GPCMD_MODE_SELECT_10 0x55
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#define GPCMD_MODE_SENSE_10 0x5a
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#define GPCMD_PAUSE_RESUME 0x4b
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#define GPCMD_PLAY_AUDIO_10 0x45
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#define GPCMD_PLAY_AUDIO_MSF 0x47
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#define GPCMD_PLAY_AUDIO_TI 0x48
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#define GPCMD_PLAY_CD 0xbc
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#define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL 0x1e
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#define GPCMD_READ_10 0x28
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#define GPCMD_READ_12 0xa8
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#define GPCMD_READ_CDVD_CAPACITY 0x25
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#define GPCMD_READ_CD 0xbe
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#define GPCMD_READ_CD_MSF 0xb9
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#define GPCMD_READ_DISC_INFO 0x51
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#define GPCMD_READ_DVD_STRUCTURE 0xad
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#define GPCMD_READ_FORMAT_CAPACITIES 0x23
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#define GPCMD_READ_HEADER 0x44
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#define GPCMD_READ_TRACK_RZONE_INFO 0x52
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#define GPCMD_READ_SUBCHANNEL 0x42
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#define GPCMD_READ_TOC_PMA_ATIP 0x43
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#define GPCMD_REPAIR_RZONE_TRACK 0x58
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#define GPCMD_REPORT_KEY 0xa4
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#define GPCMD_REQUEST_SENSE 0x03
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#define GPCMD_RESERVE_RZONE_TRACK 0x53
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#define GPCMD_SCAN 0xba
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#define GPCMD_SEEK 0x2b
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#define GPCMD_SEND_DVD_STRUCTURE 0xad
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#define GPCMD_SEND_EVENT 0xa2
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#define GPCMD_SEND_KEY 0xa3
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#define GPCMD_SEND_OPC 0x54
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#define GPCMD_SET_READ_AHEAD 0xa7
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#define GPCMD_SET_STREAMING 0xb6
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#define GPCMD_START_STOP_UNIT 0x1b
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#define GPCMD_STOP_PLAY_SCAN 0x4e
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#define GPCMD_TEST_UNIT_READY 0x00
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#define GPCMD_VERIFY_10 0x2f
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#define GPCMD_WRITE_10 0x2a
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#define GPCMD_WRITE_AND_VERIFY_10 0x2e
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/* This is listed as optional in ATAPI 2.6, but is (curiously)
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* missing from Mt. Fuji, Table 57. It _is_ mentioned in Mt. Fuji
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* Table 377 as an MMC command for SCSi devices though... Most ATAPI
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* drives support it. */
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#define GPCMD_SET_SPEED 0xbb
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/* This seems to be a SCSI specific CD-ROM opcode
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* to play data at track/index */
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#define GPCMD_PLAYAUDIO_TI 0x48
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/*
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* From MS Media Status Notification Support Specification. For
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* older drives only.
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*/
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#define GPCMD_GET_MEDIA_STATUS 0xda
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#define GPCMD_MODE_SENSE_6 0x1a
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#define ATAPI_INT_REASON_CD 0x01 /* 0 = data transfer */
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#define ATAPI_INT_REASON_IO 0x02 /* 1 = transfer to the host */
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#define ATAPI_INT_REASON_REL 0x04
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#define ATAPI_INT_REASON_TAG 0xf8
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/* same constants as bochs */
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#define ASC_NO_SEEK_COMPLETE 0x02
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#define ASC_ILLEGAL_OPCODE 0x20
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#define ASC_LOGICAL_BLOCK_OOR 0x21
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#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
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#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
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#define ASC_INCOMPATIBLE_FORMAT 0x30
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#define ASC_MEDIUM_NOT_PRESENT 0x3a
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#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED 0x39
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#define ASC_DATA_PHASE_ERROR 0x4b
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#define ASC_MEDIA_REMOVAL_PREVENTED 0x53
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#define CFA_NO_ERROR 0x00
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#define CFA_MISC_ERROR 0x09
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#define CFA_INVALID_COMMAND 0x20
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#define CFA_INVALID_ADDRESS 0x21
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#define CFA_ADDRESS_OVERFLOW 0x2f
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#define SMART_READ_DATA 0xd0
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#define SMART_READ_THRESH 0xd1
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#define SMART_ATTR_AUTOSAVE 0xd2
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#define SMART_SAVE_ATTR 0xd3
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#define SMART_EXECUTE_OFFLINE 0xd4
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#define SMART_READ_LOG 0xd5
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#define SMART_WRITE_LOG 0xd6
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#define SMART_ENABLE 0xd8
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#define SMART_DISABLE 0xd9
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#define SMART_STATUS 0xda
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typedef enum { IDE_HD, IDE_CD, IDE_CFATA } IDEDriveKind;
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typedef void EndTransferFunc(IDEState *);
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typedef void DMAStartFunc(const IDEDMA *, IDEState *, BlockCompletionFunc *);
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typedef void DMAVoidFunc(const IDEDMA *);
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typedef int DMAIntFunc(const IDEDMA *, bool);
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typedef int32_t DMAInt32Func(const IDEDMA *, int32_t len);
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typedef void DMAu32Func(const IDEDMA *, uint32_t);
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typedef void DMAStopFunc(const IDEDMA *, bool);
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struct unreported_events {
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bool eject_request;
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bool new_media;
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};
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enum ide_dma_cmd {
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IDE_DMA_READ = 0,
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IDE_DMA_WRITE,
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IDE_DMA_TRIM,
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IDE_DMA_ATAPI,
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IDE_DMA__COUNT
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};
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extern const char *IDE_DMA_CMD_lookup[IDE_DMA__COUNT];
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#define ide_cmd_is_read(s) \
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((s)->dma_cmd == IDE_DMA_READ)
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typedef struct IDEBufferedRequest {
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QLIST_ENTRY(IDEBufferedRequest) list;
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QEMUIOVector qiov;
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QEMUIOVector *original_qiov;
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BlockCompletionFunc *original_cb;
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void *original_opaque;
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bool orphaned;
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} IDEBufferedRequest;
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/* NOTE: IDEState represents in fact one drive */
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struct IDEState {
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IDEBus *bus;
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uint8_t unit;
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/* ide config */
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IDEDriveKind drive_kind;
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int cylinders, heads, sectors, chs_trans;
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int64_t nb_sectors;
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int mult_sectors;
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int identify_set;
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uint8_t identify_data[512];
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int drive_serial;
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char drive_serial_str[21];
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char drive_model_str[41];
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uint64_t wwn;
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/* ide regs */
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uint8_t feature;
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uint8_t error;
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uint32_t nsector;
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uint8_t sector;
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uint8_t lcyl;
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uint8_t hcyl;
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/* other part of tf for lba48 support */
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uint8_t hob_feature;
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uint8_t hob_nsector;
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uint8_t hob_sector;
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uint8_t hob_lcyl;
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uint8_t hob_hcyl;
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uint8_t select;
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uint8_t status;
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/* set for lba48 access */
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uint8_t lba48;
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BlockBackend *blk;
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char version[9];
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/* ATAPI specific */
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struct unreported_events events;
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uint8_t sense_key;
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uint8_t asc;
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bool tray_open;
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bool tray_locked;
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uint8_t cdrom_changed;
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int packet_transfer_size;
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int elementary_transfer_size;
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int32_t io_buffer_index;
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int lba;
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int cd_sector_size;
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int atapi_dma; /* true if dma is requested for the packet cmd */
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BlockAcctCookie acct;
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BlockAIOCB *pio_aiocb;
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QEMUIOVector qiov;
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QLIST_HEAD(, IDEBufferedRequest) buffered_requests;
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/* ATA DMA state */
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uint64_t io_buffer_offset;
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int32_t io_buffer_size;
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QEMUSGList sg;
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/* PIO transfer handling */
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int req_nb_sectors; /* number of sectors per interrupt */
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EndTransferFunc *end_transfer_func;
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uint8_t *data_ptr;
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uint8_t *data_end;
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uint8_t *io_buffer;
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/* PIO save/restore */
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int32_t io_buffer_total_len;
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int32_t cur_io_buffer_offset;
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int32_t cur_io_buffer_len;
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uint8_t end_transfer_fn_idx;
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QEMUTimer *sector_write_timer; /* only used for win2k install hack */
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uint32_t irq_count; /* counts IRQs when using win2k install hack */
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/* CF-ATA extended error */
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uint8_t ext_error;
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/* CF-ATA metadata storage */
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uint32_t mdata_size;
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uint8_t *mdata_storage;
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int media_changed;
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enum ide_dma_cmd dma_cmd;
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/* SMART */
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uint8_t smart_enabled;
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uint8_t smart_autosave;
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int smart_errors;
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uint8_t smart_selftest_count;
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uint8_t *smart_selftest_data;
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/* AHCI */
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int ncq_queues;
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};
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struct IDEDMAOps {
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DMAStartFunc *start_dma;
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DMAVoidFunc *pio_transfer;
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DMAInt32Func *prepare_buf;
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DMAu32Func *commit_buf;
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DMAIntFunc *rw_buf;
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DMAVoidFunc *restart;
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DMAVoidFunc *restart_dma;
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DMAStopFunc *set_inactive;
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DMAVoidFunc *cmd_done;
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DMAVoidFunc *reset;
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};
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struct IDEDMA {
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const struct IDEDMAOps *ops;
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QEMUIOVector qiov;
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BlockAIOCB *aiocb;
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};
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struct IDEBus {
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BusState qbus;
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IDEDevice *master;
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IDEDevice *slave;
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IDEState ifs[2];
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QEMUBH *bh;
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int bus_id;
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int max_units;
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IDEDMA *dma;
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uint8_t unit;
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uint8_t cmd;
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qemu_irq irq;
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int error_status;
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uint8_t retry_unit;
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int64_t retry_sector_num;
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uint32_t retry_nsector;
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PortioList portio_list;
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PortioList portio2_list;
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VMChangeStateEntry *vmstate;
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};
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#define TYPE_IDE_DEVICE "ide-device"
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OBJECT_DECLARE_TYPE(IDEDevice, IDEDeviceClass, IDE_DEVICE)
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struct IDEDeviceClass {
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DeviceClass parent_class;
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void (*realize)(IDEDevice *dev, Error **errp);
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};
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struct IDEDevice {
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DeviceState qdev;
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uint32_t unit;
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BlockConf conf;
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int chs_trans;
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char *version;
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char *serial;
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char *model;
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uint64_t wwn;
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/*
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* 0x0000 - rotation rate not reported
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* 0x0001 - non-rotating medium (SSD)
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* 0x0002-0x0400 - reserved
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* 0x0401-0xffe - rotations per minute
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* 0xffff - reserved
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*/
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uint16_t rotation_rate;
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};
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/* These are used for the error_status field of IDEBus */
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#define IDE_RETRY_MASK 0xf8
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#define IDE_RETRY_DMA 0x08
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#define IDE_RETRY_PIO 0x10
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#define IDE_RETRY_ATAPI 0x20 /* reused IDE_RETRY_READ bit */
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#define IDE_RETRY_READ 0x20
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#define IDE_RETRY_FLUSH 0x40
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#define IDE_RETRY_TRIM 0x80
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#define IDE_RETRY_HBA 0x100
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#define IS_IDE_RETRY_DMA(_status) \
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((_status) & IDE_RETRY_DMA)
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#define IS_IDE_RETRY_PIO(_status) \
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((_status) & IDE_RETRY_PIO)
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/*
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* The method of the IDE_RETRY_ATAPI determination is to use a previously
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* impossible bit combination as a new status value.
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*/
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#define IS_IDE_RETRY_ATAPI(_status) \
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(((_status) & IDE_RETRY_MASK) == IDE_RETRY_ATAPI)
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static inline uint8_t ide_dma_cmd_to_retry(uint8_t dma_cmd)
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{
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switch (dma_cmd) {
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case IDE_DMA_READ:
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return IDE_RETRY_DMA | IDE_RETRY_READ;
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case IDE_DMA_WRITE:
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return IDE_RETRY_DMA;
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case IDE_DMA_TRIM:
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return IDE_RETRY_DMA | IDE_RETRY_TRIM;
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case IDE_DMA_ATAPI:
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return IDE_RETRY_ATAPI;
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default:
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break;
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}
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return 0;
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}
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static inline IDEState *idebus_active_if(IDEBus *bus)
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{
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return bus->ifs + bus->unit;
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}
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static inline void ide_set_irq(IDEBus *bus)
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{
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if (!(bus->cmd & IDE_CTRL_DISABLE_IRQ)) {
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qemu_irq_raise(bus->irq);
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}
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}
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/* hw/ide/core.c */
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extern const VMStateDescription vmstate_ide_bus;
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#define VMSTATE_IDE_BUS(_field, _state) \
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VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_bus, IDEBus)
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#define VMSTATE_IDE_BUS_ARRAY(_field, _state, _num) \
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VMSTATE_STRUCT_ARRAY(_field, _state, _num, 1, vmstate_ide_bus, IDEBus)
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extern const VMStateDescription vmstate_ide_drive;
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#define VMSTATE_IDE_DRIVES(_field, _state) \
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VMSTATE_STRUCT_ARRAY(_field, _state, 2, 3, vmstate_ide_drive, IDEState)
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#define VMSTATE_IDE_DRIVE(_field, _state) \
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VMSTATE_STRUCT(_field, _state, 1, vmstate_ide_drive, IDEState)
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void ide_bus_reset(IDEBus *bus);
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int64_t ide_get_sector(IDEState *s);
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void ide_set_sector(IDEState *s, int64_t sector_num);
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void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
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void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
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void ide_dma_error(IDEState *s);
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void ide_abort_command(IDEState *s);
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void ide_atapi_cmd_ok(IDEState *s);
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void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
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void ide_atapi_dma_restart(IDEState *s);
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void ide_atapi_io_error(IDEState *s, int ret);
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void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
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uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
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uint32_t ide_status_read(void *opaque, uint32_t addr);
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void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val);
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void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
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uint32_t ide_data_readw(void *opaque, uint32_t addr);
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void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
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uint32_t ide_data_readl(void *opaque, uint32_t addr);
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int ide_init_drive(IDEState *s, BlockBackend *blk, IDEDriveKind kind,
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const char *version, const char *serial, const char *model,
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uint64_t wwn,
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uint32_t cylinders, uint32_t heads, uint32_t secs,
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int chs_trans, Error **errp);
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void ide_init2(IDEBus *bus, qemu_irq irq);
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void ide_exit(IDEState *s);
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int ide_init_ioport(IDEBus *bus, ISADevice *isa, int iobase, int iobase2);
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void ide_register_restart_cb(IDEBus *bus);
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void ide_exec_cmd(IDEBus *bus, uint32_t val);
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void ide_transfer_start(IDEState *s, uint8_t *buf, int size,
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EndTransferFunc *end_transfer_func);
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bool ide_transfer_start_norecurse(IDEState *s, uint8_t *buf, int size,
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EndTransferFunc *end_transfer_func);
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void ide_transfer_stop(IDEState *s);
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void ide_set_inactive(IDEState *s, bool more);
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BlockAIOCB *ide_issue_trim(
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int64_t offset, QEMUIOVector *qiov,
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BlockCompletionFunc *cb, void *cb_opaque, void *opaque);
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|
BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
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|
QEMUIOVector *iov, int nb_sectors,
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BlockCompletionFunc *cb, void *opaque);
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void ide_cancel_dma_sync(IDEState *s);
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|
|
/* hw/ide/atapi.c */
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void ide_atapi_cmd(IDEState *s);
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void ide_atapi_cmd_reply_end(IDEState *s);
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/* hw/ide/qdev.c */
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void ide_bus_init(IDEBus *idebus, size_t idebus_size, DeviceState *dev,
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int bus_id, int max_units);
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IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive);
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int ide_handle_rw_error(IDEState *s, int error, int op);
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#endif /* HW_IDE_INTERNAL_H */
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