LU-10602 llite: add file heat support

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_user.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_user.h b/lustre/include/uapi/linux/lustre/lustre_user.h
index a99aaa2..a3bd790 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_user.h
+++ b/lustre/include/uapi/linux/lustre/lustre_user.h
@@ -477,6 +477,8 @@ struct ll_ioc_lease_id {
 #define LL_IOC_FID2MDTIDX              _IOWR('f', 248, struct lu_fid)
 #define LL_IOC_GETPARENT               _IOWR('f', 249, struct getparent)
 #define LL_IOC_LADVISE                 _IOR('f', 250, struct llapi_lu_ladvise)
+#define LL_IOC_HEAT_GET                        _IOWR('f', 251, struct lu_heat)
+#define LL_IOC_HEAT_SET                        _IOW('f', 252, long)
 
 #ifndef        FS_IOC_FSGETXATTR
 /*
@@ -2186,6 +2188,36 @@ enum lockahead_results {
        LLA_RESULT_SAME,
 };
 
+enum lu_heat_flag_bit {
+       LU_HEAT_FLAG_BIT_INVALID = 0,
+       LU_HEAT_FLAG_BIT_OFF,
+       LU_HEAT_FLAG_BIT_CLEAR,
+};
+
+#define LU_HEAT_FLAG_CLEAR     (1 << LU_HEAT_FLAG_BIT_CLEAR)
+#define LU_HEAT_FLAG_OFF       (1 << LU_HEAT_FLAG_BIT_OFF)
+
+enum obd_heat_type {
+       OBD_HEAT_READSAMPLE     = 0,
+       OBD_HEAT_WRITESAMPLE    = 1,
+       OBD_HEAT_READBYTE       = 2,
+       OBD_HEAT_WRITEBYTE      = 3,
+       OBD_HEAT_COUNT
+};
+
+#define LU_HEAT_NAMES {                                        \
+       [OBD_HEAT_READSAMPLE]   = "readsample",         \
+       [OBD_HEAT_WRITESAMPLE]  = "writesample",        \
+       [OBD_HEAT_READBYTE]     = "readbyte",           \
+       [OBD_HEAT_WRITEBYTE]    = "writebyte",          \
+}
+
+struct lu_heat {
+       __u32 lh_count;
+       __u32 lh_flags;
+       __u64 lh_heat[0];
+};
+
 #if defined(__cplusplus)
 }
 #endif