From 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 20:50:03 +0200 Subject: Adding upstream version 6.8.9. Signed-off-by: Daniel Baumann --- arch/powerpc/include/uapi/asm/papr-miscdev.h | 9 +++++ arch/powerpc/include/uapi/asm/papr-sysparm.h | 58 ++++++++++++++++++++++++++++ arch/powerpc/include/uapi/asm/papr-vpd.h | 22 +++++++++++ 3 files changed, 89 insertions(+) create mode 100644 arch/powerpc/include/uapi/asm/papr-miscdev.h create mode 100644 arch/powerpc/include/uapi/asm/papr-sysparm.h create mode 100644 arch/powerpc/include/uapi/asm/papr-vpd.h (limited to 'arch/powerpc/include/uapi/asm') diff --git a/arch/powerpc/include/uapi/asm/papr-miscdev.h b/arch/powerpc/include/uapi/asm/papr-miscdev.h new file mode 100644 index 0000000000..49a2a270b7 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/papr-miscdev.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_PAPR_MISCDEV_H_ +#define _UAPI_PAPR_MISCDEV_H_ + +enum { + PAPR_MISCDEV_IOC_ID = 0xb2, +}; + +#endif /* _UAPI_PAPR_MISCDEV_H_ */ diff --git a/arch/powerpc/include/uapi/asm/papr-sysparm.h b/arch/powerpc/include/uapi/asm/papr-sysparm.h new file mode 100644 index 0000000000..f733467b15 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/papr-sysparm.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_PAPR_SYSPARM_H_ +#define _UAPI_PAPR_SYSPARM_H_ + +#include +#include +#include + +enum { + PAPR_SYSPARM_MAX_INPUT = 1024, + PAPR_SYSPARM_MAX_OUTPUT = 4000, +}; + +struct papr_sysparm_io_block { + __u32 parameter; + __u16 length; + __u8 data[PAPR_SYSPARM_MAX_OUTPUT]; +}; + +/** + * PAPR_SYSPARM_IOC_GET - Retrieve the value of a PAPR system parameter. + * + * Uses _IOWR because of one corner case: Retrieving the value of the + * "OS Service Entitlement Status" parameter (60) requires the caller + * to supply input data (a date string) in the buffer passed to + * firmware. So the @length and @data of the incoming + * papr_sysparm_io_block are always used to initialize the work area + * supplied to ibm,get-system-parameter. No other parameters are known + * to parameterize the result this way, and callers are encouraged + * (but not required) to zero-initialize @length and @data in the + * common case. + * + * On error the contents of the ioblock are indeterminate. + * + * Return: + * 0: Success; @length is the length of valid data in @data, not to exceed @PAPR_SYSPARM_MAX_OUTPUT. + * -EIO: Platform error. (-1) + * -EINVAL: Incorrect data length or format. (-9999) + * -EPERM: The calling partition is not allowed to access this parameter. (-9002) + * -EOPNOTSUPP: Parameter not supported on this platform (-3) + */ +#define PAPR_SYSPARM_IOC_GET _IOWR(PAPR_MISCDEV_IOC_ID, 1, struct papr_sysparm_io_block) + +/** + * PAPR_SYSPARM_IOC_SET - Update the value of a PAPR system parameter. + * + * The contents of the ioblock are unchanged regardless of success. + * + * Return: + * 0: Success; the parameter has been updated. + * -EIO: Platform error. (-1) + * -EINVAL: Incorrect data length or format. (-9999) + * -EPERM: The calling partition is not allowed to access this parameter. (-9002) + * -EOPNOTSUPP: Parameter not supported on this platform (-3) + */ +#define PAPR_SYSPARM_IOC_SET _IOW(PAPR_MISCDEV_IOC_ID, 2, struct papr_sysparm_io_block) + +#endif /* _UAPI_PAPR_SYSPARM_H_ */ diff --git a/arch/powerpc/include/uapi/asm/papr-vpd.h b/arch/powerpc/include/uapi/asm/papr-vpd.h new file mode 100644 index 0000000000..1c88e87cb4 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/papr-vpd.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _UAPI_PAPR_VPD_H_ +#define _UAPI_PAPR_VPD_H_ + +#include +#include + +struct papr_location_code { + /* + * PAPR+ v2.13 12.3.2.4 Converged Location Code Rules - Length + * Restrictions. 79 characters plus nul. + */ + char str[80]; +}; + +/* + * ioctl for /dev/papr-vpd. Returns a VPD handle fd corresponding to + * the location code. + */ +#define PAPR_VPD_IOC_CREATE_HANDLE _IOW(PAPR_MISCDEV_IOC_ID, 0, struct papr_location_code) + +#endif /* _UAPI_PAPR_VPD_H_ */ -- cgit v1.2.3