/* * QEMU IDE disk and CD-ROM Emulator * * Copyright (c) 2003 Fabrice Bellard * Copyright (c) 2006 Openedhand Ltd. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */#include "hw.h"#include "pc.h"#include "pci.h"#include "scsi-disk.h"#include "pcmcia.h"#include "block.h"#include "qemu-timer.h"#include "sysemu.h"#include "ppc_mac.h"/* debug IDE devices *///#define DEBUG_IDE//#define DEBUG_IDE_ATAPI//#define DEBUG_AIO#define USE_DMA_CDROM/* 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/* 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#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_NOT_PRESENT               0x3a#define ASC_SAVING_PARAMETERS_NOT_SUPPORTED  0x39#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  6struct IDEState;typedef void EndTransferFunc(struct IDEState *);/* NOTE: IDEState represents in fact one drive */typedef struct IDEState {    /* 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];    qemu_irq irq;    PCIDevice *pci_dev;    struct BMDMAState *bmdma;    int drive_serial;    /* 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;    /* 0x3f6 command, only meaningful for drive 0 */    uint8_t cmd;    /* set for lba48 access */    uint8_t lba48;    /* depends on bit 4 in select, only meaningful for drive 0 */    struct IDEState *cur_drive;    BlockDriverState *bs;    /* ATAPI specific */    uint8_t sense_key;    uint8_t asc;    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;    /* 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;} IDEState;#define BM_STATUS_DMAING 0x01#define BM_STATUS_ERROR  0x02#define BM_STATUS_INT    0x04#define BM_CMD_START     0x01#define BM_CMD_READ      0x08#define IDE_TYPE_PIIX3   0#define IDE_TYPE_CMD646  1#define IDE_TYPE_PIIX4   2/* CMD646 specific */#define MRDMODE		0x71#define   MRDMODE_INTR_CH0	0x04#define   MRDMODE_INTR_CH1	0x08#define   MRDMODE_BLK_CH0	0x10#define   MRDMODE_BLK_CH1	0x20#define UDIDETCR0	0x73#define UDIDETCR1	0x7Btypedef struct BMDMAState {    uint8_t cmd;    uint8_t status;    uint32_t addr;    struct PCIIDEState *pci_dev;    /* current transfer state */    uint32_t cur_addr;    uint32_t cur_prd_last;    uint32_t cur_prd_addr;    uint32_t cur_prd_len;    IDEState *ide_if;    BlockDriverCompletionFunc *dma_cb;    BlockDriverAIOCB *aiocb;} BMDMAState;