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authorHeiko Carstens <heiko.carstens@de.ibm.com>2018-01-22 12:26:20 +0300
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2018-02-02 12:47:15 +0300
commitdf2f815a7df7edb5335a3bdeee6a8f9f6f9c35c4 (patch)
tree1c34d51f188f067ac6ccc0b8b4634612b74e524b /arch
parent5260b0f50cf371d7a0920fd163571adfd80e2109 (diff)
downloadlinux-df2f815a7df7edb5335a3bdeee6a8f9f6f9c35c4.tar.xz
s390/runtime instrumentation: provide uapi header file
The man page for the s390_runtime_instr() system call refers to a header file that was never exported. Therefore it's time to finally provide the header file, and move large parts of the runtime instrumentation header file to a new uapi header file. Reported-by: Eugene Syromyatnikov <evgsyr@gmail.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/s390/include/asm/runtime_instr.h67
-rw-r--r--arch/s390/include/uapi/asm/runtime_instr.h74
2 files changed, 75 insertions, 66 deletions
diff --git a/arch/s390/include/asm/runtime_instr.h b/arch/s390/include/asm/runtime_instr.h
index 6b1540337ed6..0e1605538cd4 100644
--- a/arch/s390/include/asm/runtime_instr.h
+++ b/arch/s390/include/asm/runtime_instr.h
@@ -2,75 +2,10 @@
#ifndef _RUNTIME_INSTR_H
#define _RUNTIME_INSTR_H
-#define S390_RUNTIME_INSTR_START 0x1
-#define S390_RUNTIME_INSTR_STOP 0x2
-
-struct runtime_instr_cb {
- __u64 rca;
- __u64 roa;
- __u64 rla;
-
- __u32 v : 1;
- __u32 s : 1;
- __u32 k : 1;
- __u32 h : 1;
- __u32 a : 1;
- __u32 reserved1 : 3;
- __u32 ps : 1;
- __u32 qs : 1;
- __u32 pc : 1;
- __u32 qc : 1;
- __u32 reserved2 : 1;
- __u32 g : 1;
- __u32 u : 1;
- __u32 l : 1;
- __u32 key : 4;
- __u32 reserved3 : 8;
- __u32 t : 1;
- __u32 rgs : 3;
-
- __u32 m : 4;
- __u32 n : 1;
- __u32 mae : 1;
- __u32 reserved4 : 2;
- __u32 c : 1;
- __u32 r : 1;
- __u32 b : 1;
- __u32 j : 1;
- __u32 e : 1;
- __u32 x : 1;
- __u32 reserved5 : 2;
- __u32 bpxn : 1;
- __u32 bpxt : 1;
- __u32 bpti : 1;
- __u32 bpni : 1;
- __u32 reserved6 : 2;
-
- __u32 d : 1;
- __u32 f : 1;
- __u32 ic : 4;
- __u32 dc : 4;
-
- __u64 reserved7;
- __u64 sf;
- __u64 rsic;
- __u64 reserved8;
-} __packed __aligned(8);
+#include <uapi/asm/runtime_instr.h>
extern struct runtime_instr_cb runtime_instr_empty_cb;
-static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
-{
- asm volatile(".insn rsy,0xeb0000000060,0,0,%0" /* LRIC */
- : : "Q" (*cb));
-}
-
-static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
-{
- asm volatile(".insn rsy,0xeb0000000061,0,0,%0" /* STRIC */
- : "=Q" (*cb) : : "cc");
-}
-
static inline void save_ri_cb(struct runtime_instr_cb *cb_prev)
{
if (cb_prev)
diff --git a/arch/s390/include/uapi/asm/runtime_instr.h b/arch/s390/include/uapi/asm/runtime_instr.h
new file mode 100644
index 000000000000..45c9ec984e6b
--- /dev/null
+++ b/arch/s390/include/uapi/asm/runtime_instr.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _S390_UAPI_RUNTIME_INSTR_H
+#define _S390_UAPI_RUNTIME_INSTR_H
+
+#include <linux/types.h>
+
+#define S390_RUNTIME_INSTR_START 0x1
+#define S390_RUNTIME_INSTR_STOP 0x2
+
+struct runtime_instr_cb {
+ __u64 rca;
+ __u64 roa;
+ __u64 rla;
+
+ __u32 v : 1;
+ __u32 s : 1;
+ __u32 k : 1;
+ __u32 h : 1;
+ __u32 a : 1;
+ __u32 reserved1 : 3;
+ __u32 ps : 1;
+ __u32 qs : 1;
+ __u32 pc : 1;
+ __u32 qc : 1;
+ __u32 reserved2 : 1;
+ __u32 g : 1;
+ __u32 u : 1;
+ __u32 l : 1;
+ __u32 key : 4;
+ __u32 reserved3 : 8;
+ __u32 t : 1;
+ __u32 rgs : 3;
+
+ __u32 m : 4;
+ __u32 n : 1;
+ __u32 mae : 1;
+ __u32 reserved4 : 2;
+ __u32 c : 1;
+ __u32 r : 1;
+ __u32 b : 1;
+ __u32 j : 1;
+ __u32 e : 1;
+ __u32 x : 1;
+ __u32 reserved5 : 2;
+ __u32 bpxn : 1;
+ __u32 bpxt : 1;
+ __u32 bpti : 1;
+ __u32 bpni : 1;
+ __u32 reserved6 : 2;
+
+ __u32 d : 1;
+ __u32 f : 1;
+ __u32 ic : 4;
+ __u32 dc : 4;
+
+ __u64 reserved7;
+ __u64 sf;
+ __u64 rsic;
+ __u64 reserved8;
+} __packed __aligned(8);
+
+static inline void load_runtime_instr_cb(struct runtime_instr_cb *cb)
+{
+ asm volatile(".insn rsy,0xeb0000000060,0,0,%0" /* LRIC */
+ : : "Q" (*cb));
+}
+
+static inline void store_runtime_instr_cb(struct runtime_instr_cb *cb)
+{
+ asm volatile(".insn rsy,0xeb0000000061,0,0,%0" /* STRIC */
+ : "=Q" (*cb) : : "cc");
+}
+
+#endif /* _S390_UAPI_RUNTIME_INSTR_H */