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Commit 9483711b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by James Bottomley
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[PATCH] move some constants around 

We should try to keep all constants in include/scsi/scsi.h instead
of drivers/scsi/scsi.h.  Also tidy up include/scsi/scsi.h a bit.
parent 5ae44b73
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Showing with 87 additions and 92 deletions
drivers/scsi/scsi.h
View file @ 9483711b
......@@ -63,57 +63,12 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
#define sense_error(sense) ((sense) & 0xf)
#define sense_valid(sense) ((sense) & 0x80);
#define NEEDS_RETRY 0x2001
#define SUCCESS 0x2002
#define FAILED 0x2003
#define QUEUED 0x2004
#define SOFT_ERROR 0x2005
#define ADD_TO_MLQUEUE 0x2006
#define IDENTIFY_BASE 0x80
#define IDENTIFY(can_disconnect, lun) (IDENTIFY_BASE |\
((can_disconnect) ? 0x40 : 0) |\
((lun) & 0x07))
/* host byte codes */
#define DID_OK 0x00 /* NO error */
#define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */
#define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */
#define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */
#define DID_BAD_TARGET 0x04 /* BAD target. */
#define DID_ABORT 0x05 /* Told to abort for some other reason */
#define DID_PARITY 0x06 /* Parity error */
#define DID_ERROR 0x07 /* Internal error */
#define DID_RESET 0x08 /* Reset by somebody. */
#define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */
#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
#define DRIVER_OK 0x00 /* Driver status */
/*
* These indicate the error that occurred, and what is available.
*/
#define DRIVER_BUSY 0x01
#define DRIVER_SOFT 0x02
#define DRIVER_MEDIA 0x03
#define DRIVER_ERROR 0x04
#define DRIVER_INVALID 0x05
#define DRIVER_TIMEOUT 0x06
#define DRIVER_HARD 0x07
#define DRIVER_SENSE 0x08
#define SUGGEST_RETRY 0x10
#define SUGGEST_ABORT 0x20
#define SUGGEST_REMAP 0x30
#define SUGGEST_DIE 0x40
#define SUGGEST_SENSE 0x80
#define SUGGEST_IS_OK 0xff
#define DRIVER_MASK 0x0f
#define SUGGEST_MASK 0xf0
/*
* SCSI command sets
*/
......@@ -146,13 +101,6 @@ extern int print_msg(const unsigned char *);
extern const char *scsi_sense_key_string(unsigned char);
extern const char *scsi_extd_sense_format(unsigned char, unsigned char);
/*
* Definitions and prototypes used for scsi mid-level queue.
*/
#define SCSI_MLQUEUE_HOST_BUSY 0x1055
#define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
#define SCSI_MLQUEUE_EH_RETRY 0x1057
/*
* Legacy dma direction interfaces.
*
......
include/scsi/scsi.h
View file @ 9483711b
#ifndef _LINUX_SCSI_H
#define _LINUX_SCSI_H
/*
* This header file contains public constants and structures used by
* the scsi code for linux.
*
* For documentation on the OPCODES, MESSAGES, and SENSE values,
* please consult the SCSI standard.
*/
#ifndef _SCSI_SCSI_H
#define _SCSI_SCSI_H
#include <linux/types.h>
/*
$Header: /usr/src/linux/include/linux/RCS/scsi.h,v 1.3 1993/09/24 12:20:33 drew Exp $
For documentation on the OPCODES, MESSAGES, and SENSE values,
please consult the SCSI standard.
*/
#include <linux/types.h>
/*
* SCSI command lengths
......@@ -133,19 +126,17 @@ extern const unsigned char scsi_command_size[8];
*/
static inline int scsi_status_is_good(int status)
{
/* mask out the relevant bits
*
/*
* FIXME: bit0 is listed as reserved in SCSI-2, but is
* significant in SCSI-3. For now, we follow the SCSI-2
* behaviour and ignore reserved bits. */
* behaviour and ignore reserved bits.
*/
status &= 0xfe;
return ((status == SAM_STAT_GOOD)
|| (status == SAM_STAT_INTERMEDIATE)
|| (status == SAM_STAT_INTERMEDIATE_CONDITION_MET)
return ((status == SAM_STAT_GOOD) ||
(status == SAM_STAT_INTERMEDIATE) ||
(status == SAM_STAT_INTERMEDIATE_CONDITION_MET) ||
/* FIXME: this is obsolete in SAM-3 */
|| (status == SAM_STAT_COMMAND_TERMINATED));
(status == SAM_STAT_COMMAND_TERMINATED));
}
/*
......@@ -206,12 +197,9 @@ static inline int scsi_status_is_good(int status)
/*
* standard mode-select header prepended to all mode-select commands
*
* moved here from cdrom.h -- kraxel
*/
struct ccs_modesel_head
{
struct ccs_modesel_head {
u8 _r1; /* reserved */
u8 medium; /* device-specific medium type */
u8 _r2; /* reserved */
......@@ -229,9 +217,9 @@ struct ccs_modesel_head
/*
* ScsiLun: 8 byte LUN.
*/
typedef struct scsi_lun {
struct scsi_lun {
u8 scsi_lun[8];
} ScsiLun;
};
/*
* MESSAGE CODES
......@@ -263,25 +251,84 @@ typedef struct scsi_lun {
#define ORDERED_QUEUE_TAG 0x22
/*
* Here are some scsi specific ioctl commands which are sometimes useful.
* Host byte codes
*/
#define DID_OK 0x00 /* NO error */
#define DID_NO_CONNECT 0x01 /* Couldn't connect before timeout period */
#define DID_BUS_BUSY 0x02 /* BUS stayed busy through time out period */
#define DID_TIME_OUT 0x03 /* TIMED OUT for other reason */
#define DID_BAD_TARGET 0x04 /* BAD target. */
#define DID_ABORT 0x05 /* Told to abort for some other reason */
#define DID_PARITY 0x06 /* Parity error */
#define DID_ERROR 0x07 /* Internal error */
#define DID_RESET 0x08 /* Reset by somebody. */
#define DID_BAD_INTR 0x09 /* Got an interrupt we weren't expecting. */
#define DID_PASSTHROUGH 0x0a /* Force command past mid-layer */
#define DID_SOFT_ERROR 0x0b /* The low level driver just wish a retry */
#define DRIVER_OK 0x00 /* Driver status */
/*
* These indicate the error that occurred, and what is available.
*/
/* These are a few other constants only used by scsi devices */
/* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395 */
#define SCSI_IOCTL_GET_IDLUN 0x5382 /* conflicts with CDROMAUDIOBUFSIZ */
#define DRIVER_BUSY 0x01
#define DRIVER_SOFT 0x02
#define DRIVER_MEDIA 0x03
#define DRIVER_ERROR 0x04
#define DRIVER_INVALID 0x05
#define DRIVER_TIMEOUT 0x06
#define DRIVER_HARD 0x07
#define DRIVER_SENSE 0x08
#define SUGGEST_RETRY 0x10
#define SUGGEST_ABORT 0x20
#define SUGGEST_REMAP 0x30
#define SUGGEST_DIE 0x40
#define SUGGEST_SENSE 0x80
#define SUGGEST_IS_OK 0xff
#define DRIVER_MASK 0x0f
#define SUGGEST_MASK 0xf0
/*
* Internal return values.
*/
#define NEEDS_RETRY 0x2001
#define SUCCESS 0x2002
#define FAILED 0x2003
#define QUEUED 0x2004
#define SOFT_ERROR 0x2005
#define ADD_TO_MLQUEUE 0x2006
/*
* Midlevel queue return values.
*/
#define SCSI_MLQUEUE_HOST_BUSY 0x1055
#define SCSI_MLQUEUE_DEVICE_BUSY 0x1056
#define SCSI_MLQUEUE_EH_RETRY 0x1057
/*
* Here are some scsi specific ioctl commands which are sometimes useful.
*
* Note that include/linux/cdrom.h also defines IOCTL 0x5300 - 0x5395
*/
/* Used to turn on and off tagged queuing for scsi devices */
/* Used to obtain PUN and LUN info. Conflicts with CDROMAUDIOBUFSIZ */
#define SCSI_IOCTL_GET_IDLUN 0x5382
#define SCSI_IOCTL_TAGGED_ENABLE 0x5383
#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
/* 0x5383 and 0x5384 were used for SCSI_IOCTL_TAGGED_{ENABLE,DISABLE} */
/* Used to obtain the host number of a device. */
#define SCSI_IOCTL_PROBE_HOST 0x5385
#define SCSI_IOCTL_PROBE_HOST 0x5385
/* Used to get the bus number for a device */
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
/* Used to obtain the bus number for a device */
#define SCSI_IOCTL_GET_BUS_NUMBER 0x5386
/* Used to get the PCI location of a device */
#define SCSI_IOCTL_GET_PCI 0x5387
/* Used to obtain the PCI location of a device */
#define SCSI_IOCTL_GET_PCI 0x5387
#endif
#endif /* _SCSI_SCSI_H */
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