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Diffstat (limited to 'i386/i386at/nhdreg.h')
| -rw-r--r-- | i386/i386at/nhdreg.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/i386/i386at/nhdreg.h b/i386/i386at/nhdreg.h deleted file mode 100644 index d0ef197..0000000 --- a/i386/i386at/nhdreg.h +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (c) 1994 Shantanu Goel - * All Rights Reserved. - * - * Permission to use, copy, modify and distribute this software and its - * documentation is hereby granted, provided that both the copyright - * notice and this permission notice appear in all copies of the - * software, derivative works or modified versions, and any portions - * thereof, and that both notices appear in supporting documentation. - * - * THE AUTHOR ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" - * CONDITION. THE AUTHOR DISCLAIMS ANY LIABILITY OF ANY KIND FOR - * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - */ - -/* - * Hard disk controller. - */ - -#define HD_DATA(p) (p) /* data register */ -#define HD_ERROR(p) ((p) + 1) /* error register */ -#define HD_PRECOMP(p) ((p) + 1) /* precomp register */ -#define HD_SECTCNT(p) ((p) + 2) /* sector count register */ -#define HD_SECT(p) ((p) + 3) /* sector number register */ -#define HD_CYLLO(p) ((p) + 4) /* cylinder number low */ -#define HD_CYLHI(p) ((p) + 5) /* cylinder number high */ -#define HD_DRVHD(p) ((p) + 6) /* drive head register */ -#define HD_STATUS(p) ((p) + 7) /* status register */ -#define HD_CMD(p) ((p) + 7) /* command register */ - -/* - * Status register - */ -#define ST_BUSY 0x80 /* controller is busy */ -#define ST_READY 0x40 /* drive is ready */ -#define ST_WRTFLT 0x20 /* write fault */ -#define ST_SEEK 0x10 /* seek complete */ -#define ST_DREQ 0x08 /* data request */ -#define ST_ECC 0x04 /* ECC corrected data */ -#define ST_INDEX 0x02 /* index pulse */ -#define ST_ERROR 0x01 /* an operation resulted in error */ - -/* - * Error register - */ -#define ERR_DAM 0x01 /* data address mark not found */ -#define ERR_TR0 0x02 /* track 0 not found */ -#define ERR_ABORT 0x04 /* command aborted */ -#define ERR_ID 0x10 /* sector not found */ -#define ERR_ECC 0x40 /* uncorrectable ECC error */ -#define ERR_BADBLK 0x80 /* bad block detected */ - -/* - * Commands - */ -#define CMD_RESTORE 0x10 -#define CMD_READ 0x20 -#define CMD_WRITE 0x30 -#define CMD_SETPARAM 0x91 -#define CMD_READMULTI 0xc4 -#define CMD_WRITEMULTI 0xc5 -#define CMD_SETMULTI 0xc6 -#define CMD_IDENTIFY 0xec - -#if 0 -#define PDLOCATION 29 /* XXX: belongs in <i386at/disk.h> */ -#endif - -#define BAD_BLK 0x80 -#define SECSIZE 512 - -/* - * Information returned by IDENTIFY command. - */ -struct hdident { - u_short id_config; /* flags */ - u_short id_npcyl; /* # physical cylinders */ - u_short id_rsvd2; /* reserved (word 2) */ - u_short id_nptrk; /* # physical tracks */ - u_short id_bptrk; /* unformatted bytes/track */ - u_short id_bpsect; /* unformatted bytes/sector */ - u_short id_npsect; /* # physical sectors/track */ - u_short id_vendor0; /* vendor unique */ - u_short id_vendor1; /* vendor unique */ - u_short id_vendor2; /* vendor unique */ - u_char id_serno[20]; /* serial #: 0 = unspecified */ - u_short id_buftype; /* ??? */ - u_short id_bufsize; /* 512 byte increments: 0 = unspecified */ - u_short id_eccbytes; /* for R/W LONG commands: 0 = unspecified */ - u_char id_rev[8]; /* firmware revision: 0 = unspecified */ - u_char id_model[40]; /* model name: 0 = unspecified */ - u_char id_multisize; /* max multiple I/O size: 0 = unsupported */ - u_char id_vendor3; /* vendor unique */ - u_short id_dwordio; /* 0 = unsupported; 1 = implemented */ - u_char id_vendor4; /* vendor unique */ - u_char id_capability; /* 0:DMA 1:LBA 2:IORDYsw 3:IORDY:sup */ - u_short id_rsvd50; /* reserved (word 50) */ - u_char id_vendor5; /* vendor unique */ - u_char id_pio; /* 0=slow, 1=medium, 2=fast */ - u_char id_vendor6; /* vendor unique */ - u_char id_dma; /* 0=slow, 1=medium, 2=fast */ - u_short id_valid; /* 0:logical 1:eide */ - u_short id_nlcyl; /* # logical cylinders */ - u_short id_nltrk; /* # logical tracks */ - u_short id_nlsect; /* # logical sectors/track */ - u_short id_capacity0; /* logical total sectors on drive */ - u_short id_capacity1; /* (2 words, misaligned int) */ - u_char id_multisect; /* current multiple sector count */ - u_char id_multivalid; /* bit 0=1, multisect field is valid */ - u_short id_totsect; /* total number of sectors */ - u_short id_dma1; /* single word DMA info */ - u_short id_dmamulti; /* multiple word DMA info */ - u_short id_eidepiomode; /* 0:mode3 1:mode4 */ - u_short id_eidedmamin; /* min multiple word DMA cycle time (ns) */ - u_short id_eidedmatime; /* recomended DMA cycle time (ns) */ - u_short id_eidepio; /* min cycle time (ns), no IORDY */ - u_short id_eidepioiordy;/* min cycle time (ns, with IORDY */ - u_short id_rsvd69; /* reserved (word 69) */ - u_short id_rsvd70; /* reserved (word 70) */ -}; |