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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2013-06-06 11:52:08 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-06-26 23:10:13 +0400 |
| commit | d475f942b1dd6a897dac3ad4ed98d6994b275378 (patch) | |
| tree | 43f599275ef7ac5350ea25f8f1eeb2690d6dc4e4 /arch/s390 | |
| parent | e9a8f32a98a6099b009ea7da4f299bb5427db126 (diff) | |
| download | linux-d475f942b1dd6a897dac3ad4ed98d6994b275378.tar.xz | |
s390/sclp: Add SCLP character device driver
Add a character misc device "sclp_ctl" that allows to run SCCBs
from user space using the SCLP_CTL_SCCB ioctl.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/include/uapi/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/s390/include/uapi/asm/sclp_ctl.h | 24 |
2 files changed, 25 insertions, 0 deletions
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild index 9ccd1905bdad..6a9a9eb645f5 100644 --- a/arch/s390/include/uapi/asm/Kbuild +++ b/arch/s390/include/uapi/asm/Kbuild @@ -35,6 +35,7 @@ header-y += siginfo.h header-y += signal.h header-y += socket.h header-y += sockios.h +header-y += sclp_ctl.h header-y += stat.h header-y += statfs.h header-y += swab.h diff --git a/arch/s390/include/uapi/asm/sclp_ctl.h b/arch/s390/include/uapi/asm/sclp_ctl.h new file mode 100644 index 000000000000..f2818613ee41 --- /dev/null +++ b/arch/s390/include/uapi/asm/sclp_ctl.h @@ -0,0 +1,24 @@ +/* + * IOCTL interface for SCLP + * + * Copyright IBM Corp. 2012 + * + * Author: Michael Holzheu <holzheu@linux.vnet.ibm.com> + */ + +#ifndef _ASM_SCLP_CTL_H +#define _ASM_SCLP_CTL_H + +#include <linux/types.h> + +struct sclp_ctl_sccb { + __u32 cmdw; + __u64 sccb; +} __attribute__((packed)); + +#define SCLP_CTL_IOCTL_MAGIC 0x10 + +#define SCLP_CTL_SCCB \ + _IOWR(SCLP_CTL_IOCTL_MAGIC, 0x10, struct sclp_ctl_sccb) + +#endif |