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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7eafd1373b
In order to move the compat handling for SCSI ioctl commands out of fs/compat_ioctl.c into the individual drivers, we need a helper function first to match the native ioctl handler called by sd, sr, st, etc. Reviewed-by: Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _SCSI_IOCTL_H
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#define _SCSI_IOCTL_H
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#define SCSI_IOCTL_SEND_COMMAND 1
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#define SCSI_IOCTL_TEST_UNIT_READY 2
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#define SCSI_IOCTL_BENCHMARK_COMMAND 3
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#define SCSI_IOCTL_SYNC 4 /* Request synchronous parameters */
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#define SCSI_IOCTL_START_UNIT 5
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#define SCSI_IOCTL_STOP_UNIT 6
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/* The door lock/unlock constants are compatible with Sun constants for
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the cdrom */
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#define SCSI_IOCTL_DOORLOCK 0x5380 /* lock the eject mechanism */
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#define SCSI_IOCTL_DOORUNLOCK 0x5381 /* unlock the mechanism */
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#define SCSI_REMOVAL_PREVENT 1
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#define SCSI_REMOVAL_ALLOW 0
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#ifdef __KERNEL__
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struct scsi_device;
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/*
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* Structures used for scsi_ioctl et al.
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*/
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typedef struct scsi_ioctl_command {
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unsigned int inlen;
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unsigned int outlen;
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unsigned char data[0];
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} Scsi_Ioctl_Command;
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typedef struct scsi_idlun {
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__u32 dev_id;
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__u32 host_unique_id;
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} Scsi_Idlun;
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/* Fibre Channel WWN, port_id struct */
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typedef struct scsi_fctargaddress {
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__u32 host_port_id;
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unsigned char host_wwn[8]; // include NULL term.
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} Scsi_FCTargAddress;
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int scsi_ioctl_block_when_processing_errors(struct scsi_device *sdev,
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int cmd, bool ndelay);
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extern int scsi_ioctl(struct scsi_device *, int, void __user *);
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extern int scsi_compat_ioctl(struct scsi_device *sdev, int cmd, void __user *arg);
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#endif /* __KERNEL__ */
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#endif /* _SCSI_IOCTL_H */
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