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71 lines
1.6 KiB
71 lines
1.6 KiB
#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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