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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Platform Firmware Runtime Update header
*
* Copyright(c) 2021 Intel Corporation. All rights reserved.
*/
#ifndef __PFRUT_H__
#define __PFRUT_H__
#include <linux/ioctl.h>
#include <linux/types.h>
#define PFRUT_IOCTL_MAGIC 0xEE
/**
* PFRU_IOC_SET_REV - _IOW(PFRUT_IOCTL_MAGIC, 0x01, unsigned int)
*
* Return:
* * 0 - success
* * -EFAULT - fail to read the revision id
* * -EINVAL - user provides an invalid revision id
*
* Set the Revision ID for Platform Firmware Runtime Update.
*/
#define PFRU_IOC_SET_REV _IOW(PFRUT_IOCTL_MAGIC, 0x01, unsigned int)
/**
* PFRU_IOC_STAGE - _IOW(PFRUT_IOCTL_MAGIC, 0x02, unsigned int)
*
* Return:
* * 0 - success
* * -EINVAL - stage phase returns invalid result
*
* Stage a capsule image from communication buffer and perform authentication.
*/
#define PFRU_IOC_STAGE _IOW(PFRUT_IOCTL_MAGIC, 0x02, unsigned int)
/**
* PFRU_IOC_ACTIVATE - _IOW(PFRUT_IOCTL_MAGIC, 0x03, unsigned int)
*
* Return:
* * 0 - success
* * -EINVAL - activate phase returns invalid result
*
* Activate a previously staged capsule image.
*/
#define PFRU_IOC_ACTIVATE _IOW(PFRUT_IOCTL_MAGIC, 0x03, unsigned int)
/**
* PFRU_IOC_STAGE_ACTIVATE - _IOW(PFRUT_IOCTL_MAGIC, 0x04, unsigned int)
*
* Return:
* * 0 - success
* * -EINVAL - stage/activate phase returns invalid result.
*
* Perform both stage and activation action.
*/
#define PFRU_IOC_STAGE_ACTIVATE _IOW(PFRUT_IOCTL_MAGIC, 0x04, unsigned int)
/**
* PFRU_IOC_QUERY_CAP - _IOR(PFRUT_IOCTL_MAGIC, 0x05,
* struct pfru_update_cap_info)
*
* Return:
* * 0 - success
* * -EINVAL - query phase returns invalid result
* * -EFAULT - the result fails to be copied to userspace
*
* Retrieve information on the Platform Firmware Runtime Update capability.
* The information is a struct pfru_update_cap_info.
*/
#define PFRU_IOC_QUERY_CAP _IOR(PFRUT_IOCTL_MAGIC, 0x05, struct pfru_update_cap_info)
/**
* struct pfru_payload_hdr - Capsule file payload header.
*
* @sig: Signature of this capsule file.
* @hdr_version: Revision of this header structure.
* @hdr_size: Size of this header, including the OemHeader bytes.
* @hw_ver: The supported firmware version.
* @rt_ver: Version of the code injection image.
* @platform_id: A platform specific GUID to specify the platform what
* this capsule image support.
*/
struct pfru_payload_hdr {
__u32 sig;
__u32 hdr_version;
__u32 hdr_size;
__u32 hw_ver;
__u32 rt_ver;
__u8 platform_id[16];
};
enum pfru_dsm_status {
DSM_SUCCEED = 0,
DSM_FUNC_NOT_SUPPORT = 1,
DSM_INVAL_INPUT = 2,
DSM_HARDWARE_ERR = 3,
DSM_RETRY_SUGGESTED = 4,
DSM_UNKNOWN = 5,
DSM_FUNC_SPEC_ERR = 6,
};
/**
* struct pfru_update_cap_info - Runtime update capability information.
*
* @status: Indicator of whether this query succeed.
* @update_cap: Bitmap to indicate whether the feature is supported.
* @code_type: A buffer containing an image type GUID.
* @fw_version: Platform firmware version.
* @code_rt_version: Code injection runtime version for anti-rollback.
* @drv_type: A buffer containing an image type GUID.
* @drv_rt_version: The version of the driver update runtime code.
* @drv_svn: The secure version number(SVN) of the driver update runtime code.
* @platform_id: A buffer containing a platform ID GUID.
* @oem_id: A buffer containing an OEM ID GUID.
* @oem_info_len: Length of the buffer containing the vendor specific information.
*/
struct pfru_update_cap_info {
__u32 status;
__u32 update_cap;
__u8 code_type[16];
__u32 fw_version;
__u32 code_rt_version;
__u8 drv_type[16];
__u32 drv_rt_version;
__u32 drv_svn;
__u8 platform_id[16];
__u8 oem_id[16];
__u32 oem_info_len;
};
/**
* struct pfru_com_buf_info - Communication buffer information.
*
* @status: Indicator of whether this query succeed.
* @ext_status: Implementation specific query result.
* @addr_lo: Low 32bit physical address of the communication buffer to hold
* a runtime update package.
* @addr_hi: High 32bit physical address of the communication buffer to hold
* a runtime update package.
* @buf_size: Maximum size in bytes of the communication buffer.
*/
struct pfru_com_buf_info {
__u32 status;
__u32 ext_status;
__u64 addr_lo;
__u64 addr_hi;
__u32 buf_size;
};
/**
* struct pfru_updated_result - Platform firmware runtime update result information.
* @status: Indicator of whether this update succeed.
* @ext_status: Implementation specific update result.
* @low_auth_time: Low 32bit value of image authentication time in nanosecond.
* @high_auth_time: High 32bit value of image authentication time in nanosecond.
* @low_exec_time: Low 32bit value of image execution time in nanosecond.
* @high_exec_time: High 32bit value of image execution time in nanosecond.
*/
struct pfru_updated_result {
__u32 status;
__u32 ext_status;
__u64 low_auth_time;
__u64 high_auth_time;
__u64 low_exec_time;
__u64 high_exec_time;
};
#endif /* __PFRUT_H__ */
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