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logging_level 0000666 00000000000 15077275364 0007316 0 ustar 00 sg.h 0000666 00000026664 15077276472 0005371 0 ustar 00 /* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/*
History:
Started: Aug 9 by Lawrence Foard (entropy@world.std.com), to allow user
process control of SCSI devices.
Development Sponsored by Killy Corp. NY NY
*/
#ifndef _SCSI_SG_H
#define _SCSI_SG_H 1
#include
/* New interface introduced in the 3.x SG drivers follows */
/* Same structure as used by readv() Linux system call. It defines one
scatter-gather element. */
typedef struct sg_iovec
{
void * iov_base; /* Starting address */
size_t iov_len; /* Length in bytes */
} sg_iovec_t;
typedef struct sg_io_hdr
{
int interface_id; /* [i] 'S' for SCSI generic (required) */
int dxfer_direction; /* [i] data transfer direction */
unsigned char cmd_len; /* [i] SCSI command length ( <= 16 bytes) */
unsigned char mx_sb_len; /* [i] max length to write to sbp */
unsigned short int iovec_count; /* [i] 0 implies no scatter gather */
unsigned int dxfer_len; /* [i] byte count of data transfer */
void * dxferp; /* [i], [*io] points to data transfer memory
or scatter gather list */
unsigned char * cmdp; /* [i], [*i] points to command to perform */
unsigned char * sbp; /* [i], [*o] points to sense_buffer memory */
unsigned int timeout; /* [i] MAX_UINT->no timeout (unit: millisec) */
unsigned int flags; /* [i] 0 -> default, see SG_FLAG... */
int pack_id; /* [i->o] unused internally (normally) */
void * usr_ptr; /* [i->o] unused internally */
unsigned char status; /* [o] scsi status */
unsigned char masked_status;/* [o] shifted, masked scsi status */
unsigned char msg_status; /* [o] messaging level data (optional) */
unsigned char sb_len_wr; /* [o] byte count actually written to sbp */
unsigned short int host_status; /* [o] errors from host adapter */
unsigned short int driver_status;/* [o] errors from software driver */
int resid; /* [o] dxfer_len - actual_transferred */
unsigned int duration; /* [o] time taken by cmd (unit: millisec) */
unsigned int info; /* [o] auxiliary information */
} sg_io_hdr_t;
/* Use negative values to flag difference from original sg_header structure. */
#define SG_DXFER_NONE -1 /* e.g. a SCSI Test Unit Ready command */
#define SG_DXFER_TO_DEV -2 /* e.g. a SCSI WRITE command */
#define SG_DXFER_FROM_DEV -3 /* e.g. a SCSI READ command */
#define SG_DXFER_TO_FROM_DEV -4 /* treated like SG_DXFER_FROM_DEV with the
additional property than during indirect
IO the user buffer is copied into the
kernel buffers before the transfer */
/* following flag values can be "or"-ed together */
#define SG_FLAG_DIRECT_IO 1 /* default is indirect IO */
#define SG_FLAG_LUN_INHIBIT 2 /* default is to put device's lun into */
/* the 2nd byte of SCSI command */
#define SG_FLAG_NO_DXFER 0x10000 /* no transfer of kernel buffers to/from */
/* user space (debug indirect IO) */
/* The following 'info' values are "or"-ed together. */
#define SG_INFO_OK_MASK 0x1
#define SG_INFO_OK 0x0 /* no sense, host nor driver "noise" */
#define SG_INFO_CHECK 0x1 /* something abnormal happened */
#define SG_INFO_DIRECT_IO_MASK 0x6
#define SG_INFO_INDIRECT_IO 0x0 /* data xfer via kernel buffers (or no xfer) */
#define SG_INFO_DIRECT_IO 0x2 /* direct IO requested and performed */
#define SG_INFO_MIXED_IO 0x4 /* part direct, part indirect IO */
/* Request information about a specific SG device, used by
SG_GET_SCSI_ID ioctl (). */
struct sg_scsi_id {
/* Host number as in "scsi" where 'n' is one of 0, 1, 2 etc. */
int host_no;
int channel;
/* SCSI id of target device. */
int scsi_id;
int lun;
/* TYPE_... defined in . */
int scsi_type;
/* Host (adapter) maximum commands per lun. */
short int h_cmd_per_lun;
/* Device (or adapter) maximum queue length. */
short int d_queue_depth;
/* Unused, set to 0 for now. */
int unused[2];
};
/* Used by SG_GET_REQUEST_TABLE ioctl(). */
typedef struct sg_req_info {
char req_state; /* 0 -> not used, 1 -> written, 2 -> ready to read */
char orphan; /* 0 -> normal request, 1 -> from interruped SG_IO */
char sg_io_owned; /* 0 -> complete with read(), 1 -> owned by SG_IO */
char problem; /* 0 -> no problem detected, 1 -> error to report */
int pack_id; /* pack_id associated with request */
void * usr_ptr; /* user provided pointer (in new interface) */
unsigned int duration; /* millisecs elapsed since written (req_state==1)
or request duration (req_state==2) */
int unused;
} sg_req_info_t;
/* IOCTLs: Those ioctls that are relevant to the SG 3.x drivers follow.
[Those that only apply to the SG 2.x drivers are at the end of the file.]
(_GET_s yield result via 'int *' 3rd argument unless otherwise indicated) */
#define SG_EMULATED_HOST 0x2203 /* true for emulated host adapter (ATAPI) */
/* Used to configure SCSI command transformation layer for ATAPI devices */
/* Only supported by the ide-scsi driver */
#define SG_SET_TRANSFORM 0x2204 /* N.B. 3rd arg is not pointer but value: */
/* 3rd arg = 0 to disable transform, 1 to enable it */
#define SG_GET_TRANSFORM 0x2205
#define SG_SET_RESERVED_SIZE 0x2275 /* request a new reserved buffer size */
#define SG_GET_RESERVED_SIZE 0x2272 /* actual size of reserved buffer */
/* The following ioctl has a 'sg_scsi_id_t *' object as its 3rd argument. */
#define SG_GET_SCSI_ID 0x2276 /* Yields fd's bus, chan, dev, lun + type */
/* SCSI id information can also be obtained from SCSI_IOCTL_GET_IDLUN */
/* Override host setting and always DMA using low memory ( <16MB on i386) */
#define SG_SET_FORCE_LOW_DMA 0x2279 /* 0-> use adapter setting, 1-> force */
#define SG_GET_LOW_DMA 0x227a /* 0-> use all ram for dma; 1-> low dma ram */
/* When SG_SET_FORCE_PACK_ID set to 1, pack_id is input to read() which
tries to fetch a packet with a matching pack_id, waits, or returns EAGAIN.
If pack_id is -1 then read oldest waiting. When ...FORCE_PACK_ID set to 0
then pack_id ignored by read() and oldest readable fetched. */
#define SG_SET_FORCE_PACK_ID 0x227b
#define SG_GET_PACK_ID 0x227c /* Yields oldest readable pack_id (or -1) */
#define SG_GET_NUM_WAITING 0x227d /* Number of commands awaiting read() */
/* Yields max scatter gather tablesize allowed by current host adapter */
#define SG_GET_SG_TABLESIZE 0x227F /* 0 implies can't do scatter gather */
#define SG_GET_VERSION_NUM 0x2282 /* Example: version 2.1.34 yields 20134 */
/* Returns -EBUSY if occupied. 3rd argument pointer to int (see next) */
#define SG_SCSI_RESET 0x2284
/* Associated values that can be given to SG_SCSI_RESET follow */
#define SG_SCSI_RESET_NOTHING 0
#define SG_SCSI_RESET_DEVICE 1
#define SG_SCSI_RESET_BUS 2
#define SG_SCSI_RESET_HOST 3
/* synchronous SCSI command ioctl, (only in version 3 interface) */
#define SG_IO 0x2285 /* similar effect as write() followed by read() */
#define SG_GET_REQUEST_TABLE 0x2286 /* yields table of active requests */
/* How to treat EINTR during SG_IO ioctl(), only in SG 3.x series */
#define SG_SET_KEEP_ORPHAN 0x2287 /* 1 -> hold for read(), 0 -> drop (def) */
#define SG_GET_KEEP_ORPHAN 0x2288
#define SG_SCATTER_SZ (8 * 4096) /* PAGE_SIZE not available to user */
/* Largest size (in bytes) a single scatter-gather list element can have.
The value must be a power of 2 and <= (PAGE_SIZE * 32) [131072 bytes on
i386]. The minimum value is PAGE_SIZE. If scatter-gather not supported
by adapter then this value is the largest data block that can be
read/written by a single scsi command. The user can find the value of
PAGE_SIZE by calling getpagesize() defined in unistd.h . */
#define SG_DEFAULT_RETRIES 1
/* Defaults, commented if they differ from original sg driver */
#define SG_DEF_FORCE_LOW_DMA 0 /* was 1 -> memory below 16MB on i386 */
#define SG_DEF_FORCE_PACK_ID 0
#define SG_DEF_KEEP_ORPHAN 0
#define SG_DEF_RESERVED_SIZE SG_SCATTER_SZ /* load time option */
/* maximum outstanding requests, write() yields EDOM if exceeded */
#define SG_MAX_QUEUE 16
#define SG_BIG_BUFF SG_DEF_RESERVED_SIZE /* for backward compatibility */
/* Alternate style type names, "..._t" variants preferred */
typedef struct sg_io_hdr Sg_io_hdr;
typedef struct sg_io_vec Sg_io_vec;
typedef struct sg_scsi_id Sg_scsi_id;
typedef struct sg_req_info Sg_req_info;
/* vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv */
/* The older SG interface based on the 'sg_header' structure follows. */
/* ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ */
#define SG_MAX_SENSE 16 /* this only applies to the sg_header interface */
struct sg_header
{
/* Length of incoming packet (including header). */
int pack_len;
/* Maximal length of expected reply. */
int reply_len;
/* Id number of packet. */
int pack_id;
/* 0==ok, otherwise error number. */
int result;
/* Force 12 byte command length for group 6 & 7 commands. */
unsigned int twelve_byte:1;
/* SCSI status from target. */
unsigned int target_status:5;
/* Host status (see "DID" codes). */
unsigned int host_status:8;
/* Driver status+suggestion. */
unsigned int driver_status:8;
/* Unused. */
unsigned int other_flags:10;
/* Output in 3 cases:
when target_status is CHECK_CONDITION or
when target_status is COMMAND_TERMINATED or
when (driver_status & DRIVER_SENSE) is true. */
unsigned char sense_buffer[SG_MAX_SENSE];
};
/* IOCTLs: The following are not required (or ignored) when the sg_io_hdr_t
interface is used. They are kept for backward compatibility with
the original and version 2 drivers. */
#define SG_SET_TIMEOUT 0x2201 /* Set timeout; *(int *)arg==timeout. */
#define SG_GET_TIMEOUT 0x2202 /* Get timeout; return timeout. */
/* Get/set command queuing state per fd (default is SG_DEF_COMMAND_Q). */
#define SG_GET_COMMAND_Q 0x2270 /* Yields 0 (queuing off) or 1 (on). */
#define SG_SET_COMMAND_Q 0x2271 /* Change queuing state with 0 or 1. */
/* Turn on error sense trace (1..8), dump this device to log/console (9)
or dump all sg device states ( >9 ) to log/console. */
#define SG_SET_DEBUG 0x227e /* 0 -> turn off debug */
#define SG_NEXT_CMD_LEN 0x2283 /* Override SCSI command length with given
number on the next write() on this file
descriptor. */
/* Defaults, commented if they differ from original sg driver */
#define SG_DEFAULT_TIMEOUT (60*HZ) /* HZ == 'jiffies in 1 second' */
#define SG_DEF_COMMAND_Q 0 /* command queuing is always on when
the new interface is used */
#define SG_DEF_UNDERRUN_FLAG 0
#endif /* scsi/sg.h */
scsi_ioctl.h 0000666 00000002544 15077276472 0007102 0 ustar 00 /* Copyright (C) 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _SCSI_IOCTL_H
#define _SCSI_IOCTL_H
/* IOCTLs for SCSI. */
#define SCSI_IOCTL_SEND_COMMAND 1 /* Send a command to the SCSI host. */
#define SCSI_IOCTL_TEST_UNIT_READY 2 /* Test if unit is ready. */
#define SCSI_IOCTL_BENCHMARK_COMMAND 3
#define SCSI_IOCTL_SYNC 4 /* Request synchronous parameters. */
#define SCSI_IOCTL_START_UNIT 5
#define SCSI_IOCTL_STOP_UNIT 6
#define SCSI_IOCTL_DOORLOCK 0x5380 /* Lock the eject mechanism. */
#define SCSI_IOCTL_DOORUNLOCK 0x5381 /* Unlock the mechanism. */
#endif
scsi.h 0000666 00000015575 15077276472 0005720 0 ustar 00 /* Copyright (C) 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
/*
* This header file contains public constants and structures used by
* the scsi code for linux.
*/
#ifndef _SCSI_SCSI_H
#define _SCSI_SCSI_H 1
#include
/*
* SCSI opcodes
*/
#define TEST_UNIT_READY 0x00
#define REZERO_UNIT 0x01
#define REQUEST_SENSE 0x03
#define FORMAT_UNIT 0x04
#define READ_BLOCK_LIMITS 0x05
#define REASSIGN_BLOCKS 0x07
#define READ_6 0x08
#define WRITE_6 0x0a
#define SEEK_6 0x0b
#define READ_REVERSE 0x0f
#define WRITE_FILEMARKS 0x10
#define SPACE 0x11
#define INQUIRY 0x12
#define RECOVER_BUFFERED_DATA 0x14
#define MODE_SELECT 0x15
#define RESERVE 0x16
#define RELEASE 0x17
#define COPY 0x18
#define ERASE 0x19
#define MODE_SENSE 0x1a
#define START_STOP 0x1b
#define RECEIVE_DIAGNOSTIC 0x1c
#define SEND_DIAGNOSTIC 0x1d
#define ALLOW_MEDIUM_REMOVAL 0x1e
#define SET_WINDOW 0x24
#define READ_CAPACITY 0x25
#define READ_10 0x28
#define WRITE_10 0x2a
#define SEEK_10 0x2b
#define WRITE_VERIFY 0x2e
#define VERIFY 0x2f
#define SEARCH_HIGH 0x30
#define SEARCH_EQUAL 0x31
#define SEARCH_LOW 0x32
#define SET_LIMITS 0x33
#define PRE_FETCH 0x34
#define READ_POSITION 0x34
#define SYNCHRONIZE_CACHE 0x35
#define LOCK_UNLOCK_CACHE 0x36
#define READ_DEFECT_DATA 0x37
#define MEDIUM_SCAN 0x38
#define COMPARE 0x39
#define COPY_VERIFY 0x3a
#define WRITE_BUFFER 0x3b
#define READ_BUFFER 0x3c
#define UPDATE_BLOCK 0x3d
#define READ_LONG 0x3e
#define WRITE_LONG 0x3f
#define CHANGE_DEFINITION 0x40
#define WRITE_SAME 0x41
#define READ_TOC 0x43
#define LOG_SELECT 0x4c
#define LOG_SENSE 0x4d
#define MODE_SELECT_10 0x55
#define RESERVE_10 0x56
#define RELEASE_10 0x57
#define MODE_SENSE_10 0x5a
#define PERSISTENT_RESERVE_IN 0x5e
#define PERSISTENT_RESERVE_OUT 0x5f
#define MOVE_MEDIUM 0xa5
#define READ_12 0xa8
#define WRITE_12 0xaa
#define WRITE_VERIFY_12 0xae
#define SEARCH_HIGH_12 0xb0
#define SEARCH_EQUAL_12 0xb1
#define SEARCH_LOW_12 0xb2
#define READ_ELEMENT_STATUS 0xb8
#define SEND_VOLUME_TAG 0xb6
#define WRITE_LONG_2 0xea
/*
* Status codes
*/
#define GOOD 0x00
#define CHECK_CONDITION 0x01
#define CONDITION_GOOD 0x02
#define BUSY 0x04
#define INTERMEDIATE_GOOD 0x08
#define INTERMEDIATE_C_GOOD 0x0a
#define RESERVATION_CONFLICT 0x0c
#define COMMAND_TERMINATED 0x11
#define QUEUE_FULL 0x14
#define STATUS_MASK 0x3e
/*
* SENSE KEYS
*/
#define NO_SENSE 0x00
#define RECOVERED_ERROR 0x01
#define NOT_READY 0x02
#define MEDIUM_ERROR 0x03
#define HARDWARE_ERROR 0x04
#define ILLEGAL_REQUEST 0x05
#define UNIT_ATTENTION 0x06
#define DATA_PROTECT 0x07
#define BLANK_CHECK 0x08
#define COPY_ABORTED 0x0a
#define ABORTED_COMMAND 0x0b
#define VOLUME_OVERFLOW 0x0d
#define MISCOMPARE 0x0e
/*
* DEVICE TYPES
*/
#define TYPE_DISK 0x00
#define TYPE_TAPE 0x01
#define TYPE_PROCESSOR 0x03 /* HP scanners use this */
#define TYPE_WORM 0x04 /* Treated as ROM by our system */
#define TYPE_ROM 0x05
#define TYPE_SCANNER 0x06
#define TYPE_MOD 0x07 /* Magneto-optical disk -
* - treated as TYPE_DISK */
#define TYPE_MEDIUM_CHANGER 0x08
#define TYPE_ENCLOSURE 0x0d /* Enclosure Services Device */
#define TYPE_NO_LUN 0x7f
/*
* standard mode-select header prepended to all mode-select commands
*
* moved here from cdrom.h -- kraxel
*/
struct ccs_modesel_head
{
unsigned char _r1; /* reserved. */
unsigned char medium; /* device-specific medium type. */
unsigned char _r2; /* reserved. */
unsigned char block_desc_length; /* block descriptor length. */
unsigned char density; /* device-specific density code. */
unsigned char number_blocks_hi; /* number of blocks in this block
desc. */
unsigned char number_blocks_med;
unsigned char number_blocks_lo;
unsigned char _r3;
unsigned char block_length_hi; /* block length for blocks in this
desc. */
unsigned char block_length_med;
unsigned char block_length_lo;
};
/*
* MESSAGE CODES
*/
#define COMMAND_COMPLETE 0x00
#define EXTENDED_MESSAGE 0x01
#define EXTENDED_MODIFY_DATA_POINTER 0x00
#define EXTENDED_SDTR 0x01
#define EXTENDED_EXTENDED_IDENTIFY 0x02 /* SCSI-I only */
#define EXTENDED_WDTR 0x03
#define SAVE_POINTERS 0x02
#define RESTORE_POINTERS 0x03
#define DISCONNECT 0x04
#define INITIATOR_ERROR 0x05
#define ABORT 0x06
#define MESSAGE_REJECT 0x07
#define NOP 0x08
#define MSG_PARITY_ERROR 0x09
#define LINKED_CMD_COMPLETE 0x0a
#define LINKED_FLG_CMD_COMPLETE 0x0b
#define BUS_DEVICE_RESET 0x0c
#define INITIATE_RECOVERY 0x0f /* SCSI-II only */
#define RELEASE_RECOVERY 0x10 /* SCSI-II only */
#define SIMPLE_QUEUE_TAG 0x20
#define HEAD_OF_QUEUE_TAG 0x21
#define ORDERED_QUEUE_TAG 0x22
/*
* Here are some scsi specific ioctl commands which are sometimes useful.
*/
/* These are a few other constants only used by scsi devices. */
#define SCSI_IOCTL_GET_IDLUN 0x5382
/* Used to turn on and off tagged queuing for scsi devices. */
#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
/* Used to obtain the host number of a device. */
#define SCSI_IOCTL_PROBE_HOST 0x5385
/* Used to get the bus number for a device. */
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
#endif /* scsi/scsi.h */