Files
cubelinux-kernel/arch/powerpc/include/uapi/asm/papr-hvpipe.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

34 lines
816 B
C

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_PAPR_HVPIPE_H_
#define _UAPI_PAPR_HVPIPE_H_
#include <linux/types.h>
#include <asm/ioctl.h>
#include <asm/papr-miscdev.h>
/*
* This header is included in payload between OS and the user
* space.
* flags: OS notifies the user space whether the hvpipe is
* closed or the buffer has the payload.
*/
struct papr_hvpipe_hdr {
__u8 version;
__u8 reserved[3];
__u32 flags;
__u8 reserved2[40];
};
/*
* ioctl for /dev/papr-hvpipe
*/
#define PAPR_HVPIPE_IOC_CREATE_HANDLE _IOW(PAPR_MISCDEV_IOC_ID, 9, __u32)
/*
* hvpipe_hdr flags used for read()
*/
#define HVPIPE_MSG_AVAILABLE 0x01 /* Payload is available */
#define HVPIPE_LOST_CONNECTION 0x02 /* Pipe connection is closed/unavailable */
#endif /* _UAPI_PAPR_HVPIPE_H_ */