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s390/vmcp: split vmcp header file and move to uapi

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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>
This commit is contained in:
Heiko Carstens 2017-08-07 15:16:16 +02:00 committed by Martin Schwidefsky
parent 3f4298427a
commit ef267938f0
2 changed files with 17 additions and 15 deletions
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21
drivers/s390/char/vmcp.h → arch/s390/include/uapi/asm/vmcp.h
View file

@ -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 */

11
drivers/s390/char/vmcp.c
View file

@ -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;