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Diffstat (limited to 'usr/src/uts/common/sys/dkio.h')
| -rw-r--r-- | usr/src/uts/common/sys/dkio.h | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/dkio.h b/usr/src/uts/common/sys/dkio.h new file mode 100644 index 0000000000..14cc814b46 --- /dev/null +++ b/usr/src/uts/common/sys/dkio.h @@ -0,0 +1,370 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ +/* + * Copyright 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _SYS_DKIO_H +#define _SYS_DKIO_H + +#pragma ident "%Z%%M% %I% %E% SMI" /* SunOS-4.0 5.19 */ + +#include <sys/dklabel.h> /* Needed for NDKMAP define */ + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Structures and definitions for disk io control commands + */ + +/* + * Structures used as data by ioctl calls. + */ + +#define DK_DEVLEN 16 /* device name max length, including */ + /* unit # & NULL (ie - "xyc1") */ + +/* + * Used for controller info + */ +struct dk_cinfo { + char dki_cname[DK_DEVLEN]; /* controller name (no unit #) */ + ushort_t dki_ctype; /* controller type */ + ushort_t dki_flags; /* flags */ + ushort_t dki_cnum; /* controller number */ + uint_t dki_addr; /* controller address */ + uint_t dki_space; /* controller bus type */ + uint_t dki_prio; /* interrupt priority */ + uint_t dki_vec; /* interrupt vector */ + char dki_dname[DK_DEVLEN]; /* drive name (no unit #) */ + uint_t dki_unit; /* unit number */ + uint_t dki_slave; /* slave number */ + ushort_t dki_partition; /* partition number */ + ushort_t dki_maxtransfer; /* max. transfer size in DEV_BSIZE */ +}; + +/* + * Controller types + */ +#define DKC_UNKNOWN 0 +#define DKC_CDROM 1 /* CD-ROM, SCSI or otherwise */ +#define DKC_WDC2880 2 +#define DKC_XXX_0 3 /* unassigned */ +#define DKC_XXX_1 4 /* unassigned */ +#define DKC_DSD5215 5 +#define DKC_ACB4000 7 +#define DKC_MD21 8 +#define DKC_XXX_2 9 /* unassigned */ +#define DKC_NCRFLOPPY 10 +#define DKC_SMSFLOPPY 12 +#define DKC_SCSI_CCS 13 /* SCSI CCS compatible */ +#define DKC_INTEL82072 14 /* native floppy chip */ +#define DKC_MD 16 /* meta-disk (virtual-disk) driver */ +#define DKC_INTEL82077 19 /* 82077 floppy disk controller */ +#define DKC_DIRECT 20 /* Intel direct attached device i.e. IDE */ +#define DKC_PCMCIA_MEM 21 /* PCMCIA memory disk-like type */ +#define DKC_PCMCIA_ATA 22 /* PCMCIA AT Attached type */ + +/* + * Sun reserves up through 1023 + */ + +#define DKC_CUSTOMER_BASE 1024 + +/* + * Flags + */ +#define DKI_BAD144 0x01 /* use DEC std 144 bad sector fwding */ +#define DKI_MAPTRK 0x02 /* controller does track mapping */ +#define DKI_FMTTRK 0x04 /* formats only full track at a time */ +#define DKI_FMTVOL 0x08 /* formats only full volume at a time */ +#define DKI_FMTCYL 0x10 /* formats only full cylinders at a time */ +#define DKI_HEXUNIT 0x20 /* unit number is printed as 3 hex digits */ +#define DKI_PCMCIA_PFD 0x40 /* PCMCIA pseudo-floppy memory card */ + +/* + * Used for all partitions + */ +struct dk_allmap { + struct dk_map dka_map[NDKMAP]; +}; + +#if defined(_SYSCALL32) +struct dk_allmap32 { + struct dk_map32 dka_map[NDKMAP]; +}; +#endif /* _SYSCALL32 */ + +/* + * Definition of a disk's geometry + */ +struct dk_geom { + unsigned short dkg_ncyl; /* # of data cylinders */ + unsigned short dkg_acyl; /* # of alternate cylinders */ + unsigned short dkg_bcyl; /* cyl offset (for fixed head area) */ + unsigned short dkg_nhead; /* # of heads */ + unsigned short dkg_obs1; /* obsolete */ + unsigned short dkg_nsect; /* # of data sectors per track */ + unsigned short dkg_intrlv; /* interleave factor */ + unsigned short dkg_obs2; /* obsolete */ + unsigned short dkg_obs3; /* obsolete */ + unsigned short dkg_apc; /* alternates per cyl (SCSI only) */ + unsigned short dkg_rpm; /* revolutions per minute */ + unsigned short dkg_pcyl; /* # of physical cylinders */ + unsigned short dkg_write_reinstruct; /* # sectors to skip, writes */ + unsigned short dkg_read_reinstruct; /* # sectors to skip, reads */ + unsigned short dkg_extra[7]; /* for compatible expansion */ +}; + +/* + * These defines are for historic compatibility with old drivers. + */ +#define dkg_bhead dkg_obs1 /* used to be head offset */ +#define dkg_gap1 dkg_obs2 /* used to be gap1 */ +#define dkg_gap2 dkg_obs3 /* used to be gap2 */ + +/* + * Disk io control commands + * Warning: some other ioctls with the DIOC prefix exist elsewhere. + * The Generic DKIOC numbers are from 0 - 50. + * The Floppy Driver uses 51 - 100. + * The Hard Disk (except SCSI) 101 - 106. (these are obsolete) + * The CDROM Driver 151 - 200. + * The USCSI ioctl 201 - 250. + */ +#define DKIOC (0x04 << 8) + +/* + * The following ioctls are generic in nature and need to be + * suported as appropriate by all disk drivers + */ +#define DKIOCGGEOM (DKIOC|1) /* Get geometry */ +#define DKIOCINFO (DKIOC|3) /* Get info */ +#define DKIOCEJECT (DKIOC|6) /* Generic 'eject' */ +#define DKIOCGVTOC (DKIOC|11) /* Get VTOC */ +#define DKIOCSVTOC (DKIOC|12) /* Set VTOC & Write to Disk */ + +/* + * The following ioctls are used by Sun drivers to communicate + * with their associated format routines. Support of these ioctls + * is not required of foreign drivers + */ +#define DKIOCSGEOM (DKIOC|2) /* Set geometry */ +#define DKIOCSAPART (DKIOC|4) /* Set all partitions */ +#define DKIOCGAPART (DKIOC|5) /* Get all partitions */ +#define DKIOCG_PHYGEOM (DKIOC|32) /* get physical geometry */ +#define DKIOCG_VIRTGEOM (DKIOC|33) /* get virtual geometry */ + +/* + * The following ioctl's are removable media support + */ +#define DKIOCLOCK (DKIOC|7) /* Generic 'lock' */ +#define DKIOCUNLOCK (DKIOC|8) /* Generic 'unlock' */ +#define DKIOCSTATE (DKIOC|13) /* Inquire insert/eject state */ +#define DKIOCREMOVABLE (DKIOC|16) /* is media removable */ + +/* + * Ioctl to force driver to re-read the alternate partition and rebuild + * the internal defect map. + */ +#define DKIOCADDBAD (DKIOC|20) /* Re-read the alternate map (IDE) */ +#define DKIOCGETDEF (DKIOC|21) /* read defect list (IDE) */ + +/* + * Used by applications to get disk defect information from IDE + * drives. + */ +#ifdef _SYSCALL32 +struct defect_header32 { + int head; + caddr32_t buffer; +}; +#endif /* _SYSCALL32 */ + +struct defect_header { + int head; + caddr_t buffer; +}; + +#define DKIOCPARTINFO (DKIOC|22) /* Get partition or slice parameters */ + +/* + * Used by applications to get partition or slice information + */ +#ifdef _SYSCALL32 +struct part_info32 { + daddr32_t p_start; + int p_length; +}; +#endif /* _SYSCALL32 */ + +struct part_info { + daddr_t p_start; + int p_length; +}; + +/* The following ioctls are for Optical Memory Device */ +#define DKIOC_EBP_ENABLE (DKIOC|40) /* enable by pass erase on write */ +#define DKIOC_EBP_DISABLE (DKIOC|41) /* disable by pass erase on write */ + +/* + * This state enum is the argument passed to the DKIOCSTATE ioctl. + */ +enum dkio_state { DKIO_NONE, DKIO_EJECTED, DKIO_INSERTED, DKIO_DEV_GONE }; + +#define DKIOCGMEDIAINFO (DKIOC|42) /* get information about the media */ + +/* + * ioctls to read/write mboot info. + */ +#define DKIOCGMBOOT (DKIOC|43) /* get mboot info */ +#define DKIOCSMBOOT (DKIOC|44) /* set mboot info */ + +/* + * ioctl to get the device temperature. + */ +#define DKIOCGTEMPERATURE (DKIOC|45) /* get temperature */ + +/* + * Used for providing the temperature. + */ + +struct dk_temperature { + uint_t dkt_flags; /* Flags */ + short dkt_cur_temp; /* Current disk temperature */ + short dkt_ref_temp; /* reference disk temperature */ +}; + +#define DKT_BYPASS_PM 0x1 +#define DKT_INVALID_TEMP 0xFFFF + + +/* + * Used for Media info or the current profile info + */ +struct dk_minfo { + uint_t dki_media_type; /* Media type or profile info */ + uint_t dki_lbsize; /* Logical blocksize of media */ + diskaddr_t dki_capacity; /* Capacity as # of dki_lbsize blks */ +}; + +/* + * Media types or profiles known + */ +#define DK_UNKNOWN 0x00 /* Media inserted - type unknown */ + + +/* + * SFF 8090 Specification Version 3, media types 0x01 - 0xfffe are retained to + * maintain compatibility with SFF8090. The following define the + * optical media type. + */ +#define DK_MO_ERASABLE 0x03 /* MO Erasable */ +#define DK_MO_WRITEONCE 0x04 /* MO Write once */ +#define DK_AS_MO 0x05 /* AS MO */ +#define DK_CDROM 0x08 /* CDROM */ +#define DK_CDR 0x09 /* CD-R */ +#define DK_CDRW 0x0A /* CD-RW */ +#define DK_DVDROM 0x10 /* DVD-ROM */ +#define DK_DVDR 0x11 /* DVD-R */ +#define DK_DVDRAM 0x12 /* DVD_RAM or DVD-RW */ + +/* + * Media types for other rewritable magnetic media + */ +#define DK_FIXED_DISK 0x10001 /* Fixed disk SCSI or otherwise */ +#define DK_FLOPPY 0x10002 /* Floppy media */ +#define DK_ZIP 0x10003 /* IOMEGA ZIP media */ +#define DK_JAZ 0x10004 /* IOMEGA JAZ media */ + +#define DKIOCSETEFI (DKIOC|17) /* Set EFI info */ +#define DKIOCGETEFI (DKIOC|18) /* Get EFI info */ + +#define DKIOCPARTITION (DKIOC|9) /* Get partition info */ + +/* + * Ioctls to get/set volume capabilities related to Logical Volume Managers. + * They include the ability to get/set capabilities and to issue a read to a + * specific underlying device of a replicated device. + */ + +#define DKIOCGETVOLCAP (DKIOC | 25) /* Get volume capabilities */ +#define DKIOCSETVOLCAP (DKIOC | 26) /* Set volume capabilities */ +#define DKIOCDMR (DKIOC | 27) /* Issue a directed read */ + +typedef uint_t volcapinfo_t; + +typedef uint_t volcapset_t; + +#define DKV_ABR_CAP 0x00000001 /* Support Appl.Based Recovery */ +#define DKV_DMR_CAP 0x00000002 /* Support Directed Mirror Read */ + +typedef struct volcap { + volcapinfo_t vc_info; /* Capabilities available */ + volcapset_t vc_set; /* Capabilities set */ +} volcap_t; + +#define VOL_SIDENAME 256 + +typedef struct vol_directed_rd { + int vdr_flags; + offset_t vdr_offset; + size_t vdr_nbytes; + size_t vdr_bytesread; + void *vdr_data; + int vdr_side; + char vdr_side_name[VOL_SIDENAME]; +} vol_directed_rd_t; + +#define DKV_SIDE_INIT (-1) +#define DKV_DMR_NEXT_SIDE 0x00000001 +#define DKV_DMR_DONE 0x00000002 +#define DKV_DMR_ERROR 0x00000004 +#define DKV_DMR_SUCCESS 0x00000008 +#define DKV_DMR_SHORT 0x00000010 + +#ifdef _MULTI_DATAMODEL +#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 +#pragma pack(4) +#endif +typedef struct vol_directed_rd32 { + int32_t vdr_flags; + offset_t vdr_offset; /* 64-bit element on 32-bit alignment */ + size32_t vdr_nbytes; + size32_t vdr_bytesread; + caddr32_t vdr_data; + int32_t vdr_side; + char vdr_side_name[VOL_SIDENAME]; +} vol_directed_rd32_t; +#if _LONG_LONG_ALIGNMENT == 8 && _LONG_LONG_ALIGNMENT_32 == 4 +#pragma pack() +#endif +#endif /* _MULTI_DATAMODEL */ + +#ifdef __cplusplus +} +#endif + +#endif /* _SYS_DKIO_H */ |