#ifndef _LINUX_HDREG_H #define _LINUX_HDREG_H /* * This file contains some defines for the AT-hd-controller. * Various sources. */ #define HD_IRQ 14 /* the standard disk interrupt */ /* ide.c has its own port definitions in "ide.h" */ /* Hd controller regs. Ref: IBM AT Bios-listing */ #define HD_DATA 0x1f0 /* _CTL when writing */ #define HD_ERROR 0x1f1 /* see err-bits */ #define HD_NSECTOR 0x1f2 /* nr of sectors to read/write */ #define HD_SECTOR 0x1f3 /* starting sector */ #define HD_LCYL 0x1f4 /* starting cylinder */ #define HD_HCYL 0x1f5 /* high byte of starting cyl */ #define HD_CURRENT 0x1f6 /* 101dhhhh , d=drive, hhhh=head */ #define HD_STATUS 0x1f7 /* see status-bits */ #define HD_FEATURE HD_ERROR /* same io address, read=error, write=feature */ #define HD_PRECOMP HD_FEATURE /* obsolete use of this port - predates IDE */ #define HD_COMMAND HD_STATUS /* same io address, read=status, write=cmd */ #define HD_CMD 0x3f6 /* used for resets */ #define HD_ALTSTATUS 0x3f6 /* same as HD_STATUS but doesn't clear irq */ /* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */ /* 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 WRERR_STAT 0x20 #define READY_STAT 0x40 #define BUSY_STAT 0x80 /* Values for HD_COMMAND */ #define WIN_RESTORE 0x10 #define WIN_READ 0x20 #define WIN_WRITE 0x30 #define WIN_WRITE_VERIFY 0x3C #define WIN_VERIFY 0x40 #define WIN_FORMAT 0x50 #define WIN_INIT 0x60 #define WIN_SEEK 0x70 #define WIN_DIAGNOSE 0x90 #define WIN_SPECIFY 0x91 /* set drive geometry translation */ #define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ #define WIN_SETIDLE1 0xE3 #define WIN_SETIDLE2 0x97 #define WIN_STANDBYNOW1 0xE0 #define WIN_STANDBYNOW2 0x94 #define WIN_SLEEPNOW1 0xE6 #define WIN_SLEEPNOW2 0x99 #define WIN_CHECKPOWERMODE1 0xE5 #define WIN_CHECKPOWERMODE2 0x98 #define WIN_DOORLOCK 0xDE /* lock door on removable drives */ #define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ #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_IDENTIFY 0xEC /* ask drive to identify itself */ #define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ #define WIN_SETFEATURES 0xEF /* set special drive features */ #define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ #define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ #define WIN_QUEUED_SERVICE 0xA2 /* */ #define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ #define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ #define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ #define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ #define WIN_SMART 0xB0 /* self-monitoring and reporting */ /* Additional drive command codes used by ATAPI devices. */ #define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ #define WIN_SRST 0x08 /* ATAPI soft reset command */ #define WIN_PACKETCMD 0xA0 /* Send a packet command. */ #define DISABLE_SEAGATE 0xFB #define EXABYTE_ENABLE_NEST 0xF0 /* WIN_SMART sub-commands */ #define SMART_READ_VALUES 0xd0 #define SMART_READ_THRESHOLDS 0xd1 #define SMART_AUTOSAVE 0xd2 #define SMART_SAVE 0xd3 #define SMART_IMMEDIATE_OFFLINE 0xd4 #define SMART_READ_LOG_SECTOR 0xd5 #define SMART_WRITE_LOG_SECTOR 0xd6 #define SMART_ENABLE 0xd8 #define SMART_DISABLE 0xd9 #define SMART_STATUS 0xda #define SMART_AUTO_OFFLINE 0xdb /* WIN_SETFEATURES sub-commands */ #define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */ #define SETFEATURES_XFER 0x03 /* Set transfer mode */ # define XFER_UDMA_7 0x47 /* 0100|0111 */ # define XFER_UDMA_6 0x46 /* 0100|0110 */ # define XFER_UDMA_5 0x45 /* 0100|0101 */ # define XFER_UDMA_4 0x44 /* 0100|0100 */ # define XFER_UDMA_3 0x43 /* 0100|0011 */ # define XFER_UDMA_2 0x42 /* 0100|0010 */ # define XFER_UDMA_1 0x41 /* 0100|0001 */ # define XFER_UDMA_0 0x40 /* 0100|0000 */ # define XFER_MW_DMA_2 0x22 /* 0010|0010 */ # define XFER_MW_DMA_1 0x21 /* 0010|0001 */ # define XFER_MW_DMA_0 0x20 /* 0010|0000 */ # define XFER_SW_DMA_2 0x12 /* 0001|0010 */ # define XFER_SW_DMA_1 0x11 /* 0001|0001 */ # define XFER_SW_DMA_0 0x10 /* 0001|0000 */ # define XFER_PIO_4 0x0C /* 0000|1100 */ # define XFER_PIO_3 0x0B /* 0000|1011 */ # define XFER_PIO_2 0x0A /* 0000|1010 */ # define XFER_PIO_1 0x09 /* 0000|1001 */ # define XFER_PIO_0 0x08 /* 0000|1000 */ # define XFER_PIO_SLOW 0x00 /* 0000|0000 */ #define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */ #define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */ #define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */ #define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */ #define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */ #define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */ #define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */ #define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */ #define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */ #define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */ #define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */ #define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ #define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ #define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ #define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt */ #define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt */ /* WIN_SECURITY sub-commands */ #define SECURITY_SET_PASSWORD 0xBA /* 0xF1 */ #define SECURITY_UNLOCK 0xBB /* 0xF2 */ #define SECURITY_ERASE_PREPARE 0xBC /* 0xF3 */ #define SECURITY_ERASE_UNIT 0xBD /* 0xF4 */ #define SECURITY_FREEZE_LOCK 0xBE /* 0xF5 */ #define SECURITY_DISABLE_PASSWORD 0xBF /* 0xF6 */ /* 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 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 */ struct hd_geometry { unsigned char heads; unsigned char sectors; unsigned short cylinders; unsigned long start; }; /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ #define HDIO_GETGEO 0x0301 /* get device geometry */ #define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ #define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ #define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ #define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ #define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ #define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ #define HDIO_GET_DMA 0x030b /* get use-dma flag */ #define HDIO_GET_NICE 0x030c /* get nice flags */ #define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ #define HDIO_DRIVE_CMD_AEB 0x031e #define HDIO_DRIVE_TASK 0x031e #define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ /* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ #define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ #define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ #define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ #define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ #define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ #define HDIO_SET_DMA 0x0326 /* change use-dma flag */ #define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ #define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */ #define HDIO_SET_NICE 0x0329 /* set nice flags */ #define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */ /* BIG GEOMETRY */ struct hd_big_geometry { unsigned char heads; unsigned char sectors; unsigned int cylinders; unsigned long start; }; /* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */ #define HDIO_GETGEO_BIG 0x0330 /* */ #define HDIO_GETGEO_BIG_RAW 0x0331 /* */ #define __NEW_HD_DRIVE_ID /* structure returned by HDIO_GET_IDENTITY, as per ANSI ATA2 rev.2f spec */ struct hd_driveid { unsigned short config; /* lots of obsolete bit flags */ unsigned short cyls; /* "physical" cyls */ unsigned short reserved2; /* reserved (word 2) */ unsigned short heads; /* "physical" heads */ unsigned short track_bytes; /* unformatted bytes per track */ unsigned short sector_bytes; /* unformatted bytes per sector */ unsigned short sectors; /* "physical" sectors per track */ unsigned short vendor0; /* vendor unique */ unsigned short vendor1; /* vendor unique */ unsigned short vendor2; /* vendor unique */ unsigned char serial_no[20]; /* 0 = not_specified */ unsigned short buf_type; unsigned short buf_size; /* 512 byte increments; 0 = not_specified */ unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ unsigned char fw_rev[8]; /* 0 = not_specified */ unsigned char model[40]; /* 0 = not_specified */ unsigned char max_multsect; /* 0=not_implemented */ unsigned char vendor3; /* vendor unique */ unsigned short dword_io; /* 0=not_implemented; 1=implemented */ unsigned char vendor4; /* vendor unique */ unsigned char capability; /* bits 0:DMA 1:LBA 2:IORDYsw 3:IORDYsup*/ unsigned short reserved50; /* reserved (word 50) */ unsigned char vendor5; /* vendor unique */ unsigned char tPIO; /* 0=slow, 1=medium, 2=fast */ unsigned char vendor6; /* vendor unique */ unsigned char tDMA; /* 0=slow, 1=medium, 2=fast */ unsigned short field_valid; /* bits 0:cur_ok 1:eide_ok */ unsigned short cur_cyls; /* logical cylinders */ unsigned short cur_heads; /* logical heads */ unsigned short cur_sectors; /* logical sectors per track */ unsigned short cur_capacity0; /* logical total sectors on drive */ unsigned short cur_capacity1; /* (2 words, misaligned int) */ unsigned char multsect; /* current multiple sector count */ unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ unsigned int lba_capacity; /* total number of sectors */ unsigned short dma_1word; /* single-word dma info */ unsigned short dma_mword; /* multiple-word dma info */ unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ unsigned short eide_pio; /* min cycle time (ns), no IORDY */ unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ unsigned short words69_70[2]; /* reserved words 69-70 */ /* HDIO_GET_IDENTITY currently returns only words 0 through 70 */ unsigned short words71_74[4]; /* reserved words 71-74 */ unsigned short queue_depth; /* */ unsigned short words76_79[4]; /* reserved words 76-79 */ unsigned short major_rev_num; /* */ unsigned short minor_rev_num; /* */ unsigned short command_set_1; /* bits 0:Smart 1:Security 2:Removable 3:PM */ unsigned short command_set_2; /* bits 14:Smart Enabled 13:0 zero */ unsigned short cfsse; /* command set-feature supported extensions */ unsigned short cfs_enable_1; /* command set-feature enabled */ unsigned short cfs_enable_2; /* command set-feature enabled */ unsigned short csf_default; /* command set-feature default */ unsigned short dma_ultra; /* */ unsigned short word89; /* reserved (word 89) */ unsigned short word90; /* reserved (word 90) */ unsigned short CurAPMvalues; /* current APM values */ unsigned short word92; /* reserved (word 92) */ unsigned short hw_config; /* hardware config */ unsigned short words94_125[32];/* reserved words 94-125 */ unsigned short last_lun; /* reserved (word 126) */ unsigned short word127; /* reserved (word 127) */ unsigned short dlf; /* device lock function * 15:9 reserved * 8 security level 1:max 0:high * 7:6 reserved * 5 enhanced erase * 4 expire * 3 frozen * 2 locked * 1 en/disabled * 0 capability */ unsigned short csfo; /* current set features options * 15:4 reserved * 3 auto reassign * 2 reverting * 1 read-look-ahead * 0 write cache */ unsigned short words130_155[26];/* reserved vendor words 130-155 */ unsigned short word156; unsigned short words157_159[3];/* reserved vendor words 157-159 */ unsigned short words160_255[95];/* reserved words 160-255 */ }; /* * IDE "nice" flags. These are used on a per drive basis to determine * when to be nice and give more bandwidth to the other devices which * share the same IDE bus. */ #define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */ #define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */ #define IDE_NICE_0 (2) /* when sure that it won't affect us */ #define IDE_NICE_1 (3) /* when probably won't affect us much */ #define IDE_NICE_2 (4) /* when we know it's on our expense */ #ifdef __KERNEL__ /* * These routines are used for kernel command line parameters from main.c: */ #include #if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) int ide_register(int io_port, int ctl_port, int irq); void ide_unregister(unsigned int); #endif /* CONFIG_BLK_DEV_IDE || CONFIG_BLK_DEV_IDE_MODULE */ #endif /* __KERNEL__ */ #endif /* _LINUX_HDREG_H */