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 <[e-mail]>
Signed-off-by: Martin Schwidefsky <[e-mail]>

drivers/s390/char/vmcp.c

···
 #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;
 

drivers/s390/char/vmcp.h arch/s390/include/uapi/asm/vmcp.h

···
  * 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 */