diff options
Diffstat (limited to 'arch/s390/include/uapi/asm/vmcp.h')
| -rw-r--r-- | arch/s390/include/uapi/asm/vmcp.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/vmcp.h b/arch/s390/include/uapi/asm/vmcp.h new file mode 100644 index 000000000..aeaaa0300 --- /dev/null +++ b/arch/s390/include/uapi/asm/vmcp.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright IBM Corp. 2004, 2005 + * Interface implementation for communication with the z/VM control program + * Version 1.0 + * Author(s): Christian Borntraeger <cborntra@de.ibm.com> + * + * + * z/VMs CP offers the possibility to issue commands via the diagnose code 8 + * this driver implements a character device that issues these commands and + * returns the answer of CP. + * + * 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> + +#define VMCP_GETCODE _IOR(0x10, 1, int) +#define VMCP_SETBUF _IOW(0x10, 2, int) +#define VMCP_GETSIZE _IOR(0x10, 3, int) + +#endif /* _UAPI_ASM_VMCP_H */ |