59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
|
/*
|
||
|
|
* OPAL Runtime Diagnostics interface driver
|
||
|
|
* Supported on POWERNV platform
|
||
|
|
*
|
||
|
|
* (C) Copyright IBM 2015
|
||
|
|
*
|
||
|
|
* Author: Vaidyanathan Srinivasan <svaidy at linux.vnet.ibm.com>
|
||
|
|
* Author: Jeremy Kerr <jk@ozlabs.org>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
||
|
|
* any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _UAPI_ASM_POWERPC_OPAL_PRD_H_
|
||
|
|
#define _UAPI_ASM_POWERPC_OPAL_PRD_H_
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The version of the kernel interface of the PRD system. This describes the
|
||
|
|
* interface available for the /dev/opal-prd device. The actual PRD message
|
||
|
|
* layout and content is private to the firmware <--> userspace interface, so
|
||
|
|
* is not covered by this versioning.
|
||
|
|
*
|
||
|
|
* Future interface versions are backwards-compatible; if a later kernel
|
||
|
|
* version is encountered, functionality provided in earlier versions
|
||
|
|
* will work.
|
||
|
|
*/
|
||
|
|
#define OPAL_PRD_KERNEL_VERSION 1
|
||
|
|
|
||
|
|
#define OPAL_PRD_GET_INFO _IOR('o', 0x01, struct opal_prd_info)
|
||
|
|
#define OPAL_PRD_SCOM_READ _IOR('o', 0x02, struct opal_prd_scom)
|
||
|
|
#define OPAL_PRD_SCOM_WRITE _IOW('o', 0x03, struct opal_prd_scom)
|
||
|
|
|
||
|
|
#ifndef __ASSEMBLY__
|
||
|
|
|
||
|
|
struct opal_prd_info {
|
||
|
|
__u64 version;
|
||
|
|
__u64 reserved[3];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct opal_prd_scom {
|
||
|
|
__u64 chip;
|
||
|
|
__u64 addr;
|
||
|
|
__u64 data;
|
||
|
|
__s64 rc;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __ASSEMBLY__ */
|
||
|
|
|
||
|
|
#endif /* _UAPI_ASM_POWERPC_OPAL_PRD_H */
|