71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
#ifndef BINJECT_H
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#define BINJECT_H
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#include <linux/types.h>
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#define BINJECT_MAGIC 0x89
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#define BINJECT_VER 0x01
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#define BINJECT_MAGIC_SHIFT 8
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#define BINJECT_VER_MASK ((1 << BINJECT_MAGIC_SHIFT) - 1)
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struct b_user_cmd {
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__u16 magic; /* INPUT */
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__u16 type; /* INPUT */
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__u32 error; /* OUTPUT */
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__u32 flags; /* INPUT */
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__u32 len; /* INPUT */
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__u64 offset; /* INPUT */
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__u64 buf; /* INPUT */
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__u64 usr_ptr; /* PASSED THROUGH */
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__u64 nsec; /* OUTPUT */
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};
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struct b_ioctl_cmd {
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int fd;
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int minor;
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};
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#define BINJECT_IOCTL_CHR 'J'
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#define B_IOCTL_ADD _IOWR(BINJECT_IOCTL_CHR, 1, struct b_ioctl_cmd)
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#define B_IOCTL_DEL _IOWR(BINJECT_IOCTL_CHR, 2, struct b_ioctl_cmd)
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enum {
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B_TYPE_READ = 0,
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B_TYPE_WRITE,
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B_TYPE_DISCARD,
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B_TYPE_READVOID,
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B_TYPE_WRITEZERO,
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B_TYPE_READBARRIER,
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B_TYPE_WRITEBARRIER,
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B_TYPE_NR
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};
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enum {
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__B_FLAG_SYNC = 0,
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__B_FLAG_UNPLUG,
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__B_FLAG_NOIDLE,
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__B_FLAG_BARRIER,
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__B_FLAG_META,
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__B_FLAG_RAHEAD,
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__B_FLAG_FAILFAST_DEV,
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__B_FLAG_FAILFAST_TRANSPORT,
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__B_FLAG_FAILFAST_DRIVER,
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__B_FLAG_NR,
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B_FLAG_SYNC = 1 << __B_FLAG_SYNC,
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B_FLAG_UNPLUG = 1 << __B_FLAG_UNPLUG,
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B_FLAG_NOIDLE = 1 << __B_FLAG_NOIDLE,
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B_FLAG_BARRIER = 1 << __B_FLAG_BARRIER,
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B_FLAG_META = 1 << __B_FLAG_META,
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B_FLAG_RAHEAD = 1 << __B_FLAG_RAHEAD,
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B_FLAG_FAILFAST_DEV = 1 << __B_FLAG_FAILFAST_DEV,
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B_FLAG_FAILFAST_TRANSPORT = 1 << __B_FLAG_FAILFAST_TRANSPORT,
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B_FLAG_FAILFAST_DRIVER = 1 << __B_FLAG_FAILFAST_DRIVER,
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};
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static inline void binject_buc_set_magic(struct b_user_cmd *buc)
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{
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buc->magic = (BINJECT_MAGIC << BINJECT_MAGIC_SHIFT) | BINJECT_VER;
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}
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#endif
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