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/****************************************************************************
****************************************************************************
***
*** This header was automatically generated from a Linux kernel header
*** of the same name, to make information necessary for userspace to
*** call into the kernel available to libc. It contains only constants,
*** structures, and macros generated from the original header, and thus,
*** contains no copyrightable information.
***
*** To edit the content of this header, modify the corresponding
*** source file (e.g. under external/kernel-headers/original/) then
*** run bionic/libc/kernel/tools/update_all.py
***
*** Any manual change here will be lost the next time this script will
*** be run. You've been warned!
***
****************************************************************************
****************************************************************************/
#ifndef _UAPIBLKTRACE_H
#define _UAPIBLKTRACE_H
#include <linux/types.h>
enum blktrace_cat {
BLK_TC_READ = 1 << 0,
BLK_TC_WRITE = 1 << 1,
BLK_TC_FLUSH = 1 << 2,
BLK_TC_SYNC = 1 << 3,
BLK_TC_SYNCIO = BLK_TC_SYNC,
BLK_TC_QUEUE = 1 << 4,
BLK_TC_REQUEUE = 1 << 5,
BLK_TC_ISSUE = 1 << 6,
BLK_TC_COMPLETE = 1 << 7,
BLK_TC_FS = 1 << 8,
BLK_TC_PC = 1 << 9,
BLK_TC_NOTIFY = 1 << 10,
BLK_TC_AHEAD = 1 << 11,
BLK_TC_META = 1 << 12,
BLK_TC_DISCARD = 1 << 13,
BLK_TC_DRV_DATA = 1 << 14,
BLK_TC_FUA = 1 << 15,
BLK_TC_END = 1 << 15,
};
#define BLK_TC_SHIFT (16)
#define BLK_TC_ACT(act) ((act) << BLK_TC_SHIFT)
enum blktrace_act {
__BLK_TA_QUEUE = 1,
__BLK_TA_BACKMERGE,
__BLK_TA_FRONTMERGE,
__BLK_TA_GETRQ,
__BLK_TA_SLEEPRQ,
__BLK_TA_REQUEUE,
__BLK_TA_ISSUE,
__BLK_TA_COMPLETE,
__BLK_TA_PLUG,
__BLK_TA_UNPLUG_IO,
__BLK_TA_UNPLUG_TIMER,
__BLK_TA_INSERT,
__BLK_TA_SPLIT,
__BLK_TA_BOUNCE,
__BLK_TA_REMAP,
__BLK_TA_ABORT,
__BLK_TA_DRV_DATA,
__BLK_TA_CGROUP = 1 << 8,
};
enum blktrace_notify {
__BLK_TN_PROCESS = 0,
__BLK_TN_TIMESTAMP,
__BLK_TN_MESSAGE,
__BLK_TN_CGROUP = __BLK_TA_CGROUP,
};
#define BLK_TA_QUEUE (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_BACKMERGE (__BLK_TA_BACKMERGE | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_FRONTMERGE (__BLK_TA_FRONTMERGE | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_GETRQ (__BLK_TA_GETRQ | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_SLEEPRQ (__BLK_TA_SLEEPRQ | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_REQUEUE (__BLK_TA_REQUEUE | BLK_TC_ACT(BLK_TC_REQUEUE))
#define BLK_TA_ISSUE (__BLK_TA_ISSUE | BLK_TC_ACT(BLK_TC_ISSUE))
#define BLK_TA_COMPLETE (__BLK_TA_COMPLETE | BLK_TC_ACT(BLK_TC_COMPLETE))
#define BLK_TA_PLUG (__BLK_TA_PLUG | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_UNPLUG_IO (__BLK_TA_UNPLUG_IO | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_UNPLUG_TIMER (__BLK_TA_UNPLUG_TIMER | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_INSERT (__BLK_TA_INSERT | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_SPLIT (__BLK_TA_SPLIT)
#define BLK_TA_BOUNCE (__BLK_TA_BOUNCE)
#define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_ABORT (__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE))
#define BLK_TA_DRV_DATA (__BLK_TA_DRV_DATA | BLK_TC_ACT(BLK_TC_DRV_DATA))
#define BLK_TN_PROCESS (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_TN_TIMESTAMP (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_TN_MESSAGE (__BLK_TN_MESSAGE | BLK_TC_ACT(BLK_TC_NOTIFY))
#define BLK_IO_TRACE_MAGIC 0x65617400
#define BLK_IO_TRACE_VERSION 0x07
struct blk_io_trace {
__u32 magic;
__u32 sequence;
__u64 time;
__u64 sector;
__u32 bytes;
__u32 action;
__u32 pid;
__u32 device;
__u32 cpu;
__u16 error;
__u16 pdu_len;
};
struct blk_io_trace_remap {
__be32 device_from;
__be32 device_to;
__be64 sector_from;
};
enum {
Blktrace_setup = 1,
Blktrace_running,
Blktrace_stopped,
};
#define BLKTRACE_BDEV_SIZE 32
struct blk_user_trace_setup {
char name[BLKTRACE_BDEV_SIZE];
__u16 act_mask;
__u32 buf_size;
__u32 buf_nr;
__u64 start_lba;
__u64 end_lba;
__u32 pid;
};
#endif
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