350 lines
14 KiB
C
Executable File
350 lines
14 KiB
C
Executable File
#ifndef _LINUX_HDREG_H
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#define _LINUX_HDREG_H
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/*
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* This file contains some defines for the AT-hd-controller.
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* Various sources.
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*/
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#define HD_IRQ 14 /* the standard disk interrupt */
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/* ide.c has its own port definitions in "ide.h" */
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/* Hd controller regs. Ref: IBM AT Bios-listing */
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#define HD_DATA 0x1f0 /* _CTL when writing */
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#define HD_ERROR 0x1f1 /* see err-bits */
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#define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */
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#define HD_SECTOR 0x1f3 /* starting sector */
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#define HD_LCYL 0x1f4 /* starting cylinder */
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#define HD_HCYL 0x1f5 /* high byte of starting cyl */
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#define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */
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#define HD_STATUS 0x1f7 /* see status-bits */
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#define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */
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#define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */
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#define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */
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#define HD_CMD 0x3f6 /* used for resets */
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#define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */
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/* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */
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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 WRERR_STAT 0x20
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#define READY_STAT 0x40
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#define BUSY_STAT 0x80
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/* Values for HD_COMMAND */
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#define WIN_RESTORE 0x10
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#define WIN_READ 0x20
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#define WIN_WRITE 0x30
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#define WIN_WRITE_VERIFY 0x3C
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#define WIN_VERIFY 0x40
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#define WIN_FORMAT 0x50
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#define WIN_INIT 0x60
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#define WIN_SEEK 0x70
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#define WIN_DIAGNOSE 0x90
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#define WIN_SPECIFY 0x91 /* set drive geometry translation */
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#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */
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#define WIN_SETIDLE1 0xE3
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#define WIN_SETIDLE2 0x97
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#define WIN_STANDBYNOW1 0xE0
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#define WIN_STANDBYNOW2 0x94
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#define WIN_SLEEPNOW1 0xE6
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#define WIN_SLEEPNOW2 0x99
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#define WIN_CHECKPOWERMODE1 0xE5
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#define WIN_CHECKPOWERMODE2 0x98
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#define WIN_DOORLOCK 0xDE /* lock door on removable drives */
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#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */
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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_IDENTIFY 0xEC /* ask drive to identify itself */
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#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */
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#define WIN_SETFEATURES 0xEF /* set special drive features */
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#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */
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#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */
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#define WIN_QUEUED_SERVICE 0xA2 /* */
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#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */
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#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */
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#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */
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#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */
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#define WIN_SMART 0xB0 /* self-monitoring and reporting */
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/* Additional drive command codes used by ATAPI devices. */
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#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */
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#define WIN_SRST 0x08 /* ATAPI soft reset command */
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#define WIN_PACKETCMD 0xA0 /* Send a packet command. */
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#define DISABLE_SEAGATE 0xFB
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#define EXABYTE_ENABLE_NEST 0xF0
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/* WIN_SMART sub-commands */
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#define SMART_READ_VALUES 0xd0
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#define SMART_READ_THRESHOLDS 0xd1
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#define SMART_AUTOSAVE 0xd2
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#define SMART_SAVE 0xd3
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#define SMART_IMMEDIATE_OFFLINE 0xd4
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#define SMART_READ_LOG_SECTOR 0xd5
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#define SMART_WRITE_LOG_SECTOR 0xd6
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#define SMART_WRITE_THRESHOLDS 0xd7
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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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#define SMART_AUTO_OFFLINE 0xdb
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/* WIN_SETFEATURES sub-commands */
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#define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */
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#define SETFEATURES_XFER 0x03 /* Set transfer mode */
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# define XFER_UDMA_7 0x47 /* 0100|0111 */
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# define XFER_UDMA_6 0x46 /* 0100|0110 */
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# define XFER_UDMA_5 0x45 /* 0100|0101 */
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# define XFER_UDMA_4 0x44 /* 0100|0100 */
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# define XFER_UDMA_3 0x43 /* 0100|0011 */
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# define XFER_UDMA_2 0x42 /* 0100|0010 */
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# define XFER_UDMA_1 0x41 /* 0100|0001 */
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# define XFER_UDMA_0 0x40 /* 0100|0000 */
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# define XFER_MW_DMA_2 0x22 /* 0010|0010 */
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# define XFER_MW_DMA_1 0x21 /* 0010|0001 */
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# define XFER_MW_DMA_0 0x20 /* 0010|0000 */
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# define XFER_SW_DMA_2 0x12 /* 0001|0010 */
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# define XFER_SW_DMA_1 0x11 /* 0001|0001 */
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# define XFER_SW_DMA_0 0x10 /* 0001|0000 */
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# define XFER_PIO_4 0x0C /* 0000|1100 */
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# define XFER_PIO_3 0x0B /* 0000|1011 */
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# define XFER_PIO_2 0x0A /* 0000|1010 */
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# define XFER_PIO_1 0x09 /* 0000|1001 */
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# define XFER_PIO_0 0x08 /* 0000|1000 */
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# define XFER_PIO_SLOW 0x00 /* 0000|0000 */
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#define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */
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#define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */
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#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */
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#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */
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#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */
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#define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */
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#define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */
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#define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */
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#define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */
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#define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */
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#define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */
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#define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */
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#define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */
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#define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */
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#define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt */
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#define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt */
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/* WIN_SECURITY sub-commands */
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#define SECURITY_SET_PASSWORD 0xBA /* 0xF1 */
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#define SECURITY_UNLOCK 0xBB /* 0xF2 */
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#define SECURITY_ERASE_PREPARE 0xBC /* 0xF3 */
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#define SECURITY_ERASE_UNIT 0xBD /* 0xF4 */
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#define SECURITY_FREEZE_LOCK 0xBE /* 0xF5 */
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#define SECURITY_DISABLE_PASSWORD 0xBF /* 0xF6 */
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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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struct hd_geometry {
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unsigned char heads;
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unsigned char sectors;
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unsigned short cylinders;
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unsigned long start;
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};
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/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
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#define HDIO_GETGEO 0x0301 /* get device geometry */
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#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */
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#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */
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#define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */
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#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */
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#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */
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#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */
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#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */
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#define HDIO_GET_DMA 0x030b /* get use-dma flag */
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#define HDIO_GET_NICE 0x030c /* get nice flags */
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#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */
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#define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */
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#define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */
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#define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */
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#define HDIO_TRISTATE_HWIF 0x031b /* OBSOLETE - use SET_BUSSTATE */
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#define HDIO_DRIVE_RESET 0x031c /* execute a device reset */
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#define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */
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#define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */
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#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */
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#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK
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/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
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#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */
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#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */
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#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */
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#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */
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#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */
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#define HDIO_SET_DMA 0x0326 /* change use-dma flag */
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#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */
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#define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */
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#define HDIO_SET_NICE 0x0329 /* set nice flags */
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#define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */
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#define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */
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#define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */
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#define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */
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#define HDIO_SET_QDMA 0x032e /* change use-qdma flag */
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/* bus states */
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enum {
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BUSSTATE_OFF = 0,
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BUSSTATE_ON,
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BUSSTATE_TRISTATE
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};
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/* BIG GEOMETRY */
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struct hd_big_geometry {
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unsigned char heads;
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unsigned char sectors;
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unsigned int cylinders;
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unsigned long start;
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};
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/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
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#define HDIO_GETGEO_BIG 0x0330 /* */
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#define HDIO_GETGEO_BIG_RAW 0x0331 /* */
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#define __NEW_HD_DRIVE_ID
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/* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */
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struct hd_driveid {
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unsigned short config; /* lots of obsolete bit flags */
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unsigned short cyls; /* "physical" cyls */
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unsigned short reserved2; /* reserved (word 2) */
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unsigned short heads; /* "physical" heads */
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unsigned short track_bytes; /* unformatted bytes per track */
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unsigned short sector_bytes; /* unformatted bytes per sector */
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unsigned short sectors; /* "physical" sectors per track */
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unsigned short vendor0; /* vendor unique */
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unsigned short vendor1; /* vendor unique */
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unsigned short vendor2; /* vendor unique */
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unsigned char serial_no[20]; /* 0 = not_specified */
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unsigned short buf_type;
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unsigned short buf_size; /* 512 byte increments; 0 = not_specified */
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unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */
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unsigned char fw_rev[8]; /* 0 = not_specified */
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unsigned char model[40]; /* 0 = not_specified */
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unsigned char max_multsect; /* 0=not_implemented */
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unsigned char vendor3; /* vendor unique */
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unsigned short dword_io; /* 0=not_implemented; 1=implemented */
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unsigned char vendor4; /* vendor unique */
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unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/
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unsigned short reserved50; /* reserved (word 50) */
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unsigned char vendor5; /* vendor unique */
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unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */
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unsigned char vendor6; /* vendor unique */
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unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */
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unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */
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unsigned short cur_cyls; /* logical cylinders */
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unsigned short cur_heads; /* logical heads */
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unsigned short cur_sectors; /* logical sectors per track */
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unsigned short cur_capacity0; /* logical total sectors on drive */
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unsigned short cur_capacity1; /* (2 words, misaligned int) */
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unsigned char multsect; /* current multiple sector count */
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unsigned char multsect_valid; /* when (bit0==1) multsect is ok */
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unsigned int lba_capacity; /* total number of sectors */
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unsigned short dma_1word; /* single-word dma info */
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unsigned short dma_mword; /* multiple-word dma info */
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unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */
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unsigned short eide_dma_min; /* min mword dma cycle time (ns) */
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unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */
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unsigned short eide_pio; /* min cycle time (ns), no IORDY */
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unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */
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unsigned short words69_70[2]; /* reserved words 69-70 */
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/* HDIO_GET_IDENTITY currently returns only words 0 through 70 */
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unsigned short words71_74[4]; /* reserved words 71-74 */
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unsigned short queue_depth; /* */
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unsigned short words76_79[4]; /* reserved words 76-79 */
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unsigned short major_rev_num; /* */
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unsigned short minor_rev_num; /* */
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unsigned short command_set_1; /* bits 0:Smart 1:Security 2:Removable 3:PM */
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unsigned short command_set_2; /* bits 14:Smart Enabled 13:0 zero */
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unsigned short cfsse; /* command set-feature supported extensions */
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unsigned short cfs_enable_1; /* command set-feature enabled */
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unsigned short cfs_enable_2; /* command set-feature enabled */
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unsigned short csf_default; /* command set-feature default */
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unsigned short dma_ultra; /* */
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unsigned short word89; /* reserved (word 89) */
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unsigned short word90; /* reserved (word 90) */
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unsigned short CurAPMvalues; /* current APM values */
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unsigned short word92; /* reserved (word 92) */
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unsigned short hw_config; /* hardware config */
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unsigned short words94_125[32];/* reserved words 94-125 */
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unsigned short last_lun; /* reserved (word 126) */
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unsigned short word127; /* reserved (word 127) */
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unsigned short dlf; /* device lock function
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* 15:9 reserved
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* 8 security level 1:max 0:high
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* 7:6 reserved
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* 5 enhanced erase
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* 4 expire
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* 3 frozen
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* 2 locked
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* 1 en/disabled
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* 0 capability
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*/
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unsigned short csfo; /* current set features options
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* 15:4 reserved
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* 3 auto reassign
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* 2 reverting
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* 1 read-look-ahead
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* 0 write cache
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*/
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unsigned short words130_155[26];/* reserved vendor words 130-155 */
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unsigned short word156;
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unsigned short words157_159[3];/* reserved vendor words 157-159 */
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unsigned short words160_255[95];/* reserved words 160-255 */
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};
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/*
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* IDE "nice" flags. These are used on a per drive basis to determine
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* when to be nice and give more bandwidth to the other devices which
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* share the same IDE bus.
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*/
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#define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */
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#define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */
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#define IDE_NICE_0 (2) /* when sure that it won't affect us */
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#define IDE_NICE_1 (3) /* when probably won't affect us much */
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#define IDE_NICE_2 (4) /* when we know it's on our expense */
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#ifdef __KERNEL__
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/*
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* These routines are used for kernel command line parameters from main.c:
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*/
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#include <linux/config.h>
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#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
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int ide_register(int io_port, int ctl_port, int irq);
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void ide_unregister(unsigned int);
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#endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */
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#endif /* __KERNEL__ */
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#endif /* _LINUX_HDREG_H */
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