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authorHeiko Carstens <heiko.carstens@de.ibm.com>2017-08-07 15:16:16 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-08-09 09:09:36 -0400
commitef267938f07197fc011e3aada67ac70a3c65c2ff (patch)
tree79b455ea3afe7f24586907a371e5ff95efc8d478
parents390/vmcp: make use of contiguous memory allocator (diff)
downloadwireguard-linux-ef267938f07197fc011e3aada67ac70a3c65c2ff.tar.xz
wireguard-linux-ef267938f07197fc011e3aada67ac70a3c65c2ff.zip
s390/vmcp: split vmcp header file and move to uapi
Split the vmcp header file and move the device driver internal structure to the C file, and move the ioctl definitions to the uapi directory. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r--arch/s390/include/uapi/asm/vmcp.h (renamed from drivers/s390/char/vmcp.h)21
-rw-r--r--drivers/s390/char/vmcp.c11
2 files changed, 17 insertions, 15 deletions
diff --git a/drivers/s390/char/vmcp.h b/arch/s390/include/uapi/asm/vmcp.h
index 4e725edf449f..4caf71714a55 100644
--- a/drivers/s390/char/vmcp.h
+++ b/arch/s390/include/uapi/asm/vmcp.h
@@ -12,20 +12,13 @@
* The idea of this driver is based on cpint from Neale Ferguson
*/
+#ifndef _UAPI_ASM_VMCP_H
+#define _UAPI_ASM_VMCP_H
+
#include <linux/ioctl.h>
-#include <linux/mutex.h>
-#define VMCP_GETCODE _IOR(0x10, 1, int)
-#define VMCP_SETBUF _IOW(0x10, 2, int)
-#define VMCP_GETSIZE _IOR(0x10, 3, int)
+#define VMCP_GETCODE _IOR(0x10, 1, int)
+#define VMCP_SETBUF _IOW(0x10, 2, int)
+#define VMCP_GETSIZE _IOR(0x10, 3, int)
-struct vmcp_session {
- char *response;
- unsigned int bufsize;
- unsigned int cma_alloc : 1;
- int resp_size;
- int resp_code;
- /* As we use copy_from/to_user, which might *
- * sleep and cannot use a spinlock */
- struct mutex mutex;
-};
+#endif /* _UAPI_ASM_VMCP_H */
diff --git a/drivers/s390/char/vmcp.c b/drivers/s390/char/vmcp.c
index c202b407698f..18b30119a70e 100644
--- a/drivers/s390/char/vmcp.c
+++ b/drivers/s390/char/vmcp.c
@@ -25,7 +25,16 @@
#include <asm/compat.h>
#include <asm/cpcmd.h>
#include <asm/debug.h>
-#include "vmcp.h"
+#include <asm/vmcp.h>
+
+struct vmcp_session {
+ char *response;
+ unsigned int bufsize;
+ unsigned int cma_alloc : 1;
+ int resp_size;
+ int resp_code;
+ struct mutex mutex;
+};
static debug_info_t *vmcp_debug;