1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPIBLKTRACE_H 20 #define _UAPIBLKTRACE_H 21 #include <linux/types.h> 22 enum blktrace_cat { 23 BLK_TC_READ = 1 << 0, 24 BLK_TC_WRITE = 1 << 1, 25 BLK_TC_FLUSH = 1 << 2, 26 BLK_TC_SYNC = 1 << 3, 27 BLK_TC_SYNCIO = BLK_TC_SYNC, 28 BLK_TC_QUEUE = 1 << 4, 29 BLK_TC_REQUEUE = 1 << 5, 30 BLK_TC_ISSUE = 1 << 6, 31 BLK_TC_COMPLETE = 1 << 7, 32 BLK_TC_FS = 1 << 8, 33 BLK_TC_PC = 1 << 9, 34 BLK_TC_NOTIFY = 1 << 10, 35 BLK_TC_AHEAD = 1 << 11, 36 BLK_TC_META = 1 << 12, 37 BLK_TC_DISCARD = 1 << 13, 38 BLK_TC_DRV_DATA = 1 << 14, 39 BLK_TC_FUA = 1 << 15, 40 BLK_TC_END = 1 << 15, 41 }; 42 #define BLK_TC_SHIFT (16) 43 #define BLK_TC_ACT(act) ((act) << BLK_TC_SHIFT) 44 enum blktrace_act { 45 __BLK_TA_QUEUE = 1, 46 __BLK_TA_BACKMERGE, 47 __BLK_TA_FRONTMERGE, 48 __BLK_TA_GETRQ, 49 __BLK_TA_SLEEPRQ, 50 __BLK_TA_REQUEUE, 51 __BLK_TA_ISSUE, 52 __BLK_TA_COMPLETE, 53 __BLK_TA_PLUG, 54 __BLK_TA_UNPLUG_IO, 55 __BLK_TA_UNPLUG_TIMER, 56 __BLK_TA_INSERT, 57 __BLK_TA_SPLIT, 58 __BLK_TA_BOUNCE, 59 __BLK_TA_REMAP, 60 __BLK_TA_ABORT, 61 __BLK_TA_DRV_DATA, 62 }; 63 enum blktrace_notify { 64 __BLK_TN_PROCESS = 0, 65 __BLK_TN_TIMESTAMP, 66 __BLK_TN_MESSAGE, 67 }; 68 #define BLK_TA_QUEUE (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE)) 69 #define BLK_TA_BACKMERGE (__BLK_TA_BACKMERGE | BLK_TC_ACT(BLK_TC_QUEUE)) 70 #define BLK_TA_FRONTMERGE (__BLK_TA_FRONTMERGE | BLK_TC_ACT(BLK_TC_QUEUE)) 71 #define BLK_TA_GETRQ (__BLK_TA_GETRQ | BLK_TC_ACT(BLK_TC_QUEUE)) 72 #define BLK_TA_SLEEPRQ (__BLK_TA_SLEEPRQ | BLK_TC_ACT(BLK_TC_QUEUE)) 73 #define BLK_TA_REQUEUE (__BLK_TA_REQUEUE | BLK_TC_ACT(BLK_TC_REQUEUE)) 74 #define BLK_TA_ISSUE (__BLK_TA_ISSUE | BLK_TC_ACT(BLK_TC_ISSUE)) 75 #define BLK_TA_COMPLETE (__BLK_TA_COMPLETE | BLK_TC_ACT(BLK_TC_COMPLETE)) 76 #define BLK_TA_PLUG (__BLK_TA_PLUG | BLK_TC_ACT(BLK_TC_QUEUE)) 77 #define BLK_TA_UNPLUG_IO (__BLK_TA_UNPLUG_IO | BLK_TC_ACT(BLK_TC_QUEUE)) 78 #define BLK_TA_UNPLUG_TIMER (__BLK_TA_UNPLUG_TIMER | BLK_TC_ACT(BLK_TC_QUEUE)) 79 #define BLK_TA_INSERT (__BLK_TA_INSERT | BLK_TC_ACT(BLK_TC_QUEUE)) 80 #define BLK_TA_SPLIT (__BLK_TA_SPLIT) 81 #define BLK_TA_BOUNCE (__BLK_TA_BOUNCE) 82 #define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE)) 83 #define BLK_TA_ABORT (__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE)) 84 #define BLK_TA_DRV_DATA (__BLK_TA_DRV_DATA | BLK_TC_ACT(BLK_TC_DRV_DATA)) 85 #define BLK_TN_PROCESS (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY)) 86 #define BLK_TN_TIMESTAMP (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY)) 87 #define BLK_TN_MESSAGE (__BLK_TN_MESSAGE | BLK_TC_ACT(BLK_TC_NOTIFY)) 88 #define BLK_IO_TRACE_MAGIC 0x65617400 89 #define BLK_IO_TRACE_VERSION 0x07 90 struct blk_io_trace { 91 __u32 magic; 92 __u32 sequence; 93 __u64 time; 94 __u64 sector; 95 __u32 bytes; 96 __u32 action; 97 __u32 pid; 98 __u32 device; 99 __u32 cpu; 100 __u16 error; 101 __u16 pdu_len; 102 }; 103 struct blk_io_trace_remap { 104 __be32 device_from; 105 __be32 device_to; 106 __be64 sector_from; 107 }; 108 enum { 109 Blktrace_setup = 1, 110 Blktrace_running, 111 Blktrace_stopped, 112 }; 113 #define BLKTRACE_BDEV_SIZE 32 114 struct blk_user_trace_setup { 115 char name[BLKTRACE_BDEV_SIZE]; 116 __u16 act_mask; 117 __u32 buf_size; 118 __u32 buf_nr; 119 __u64 start_lba; 120 __u64 end_lba; 121 __u32 pid; 122 }; 123 #endif 124