| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** 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 |