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pfrut.h
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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; }; /** * struct pfrt_log_data_info - Log Data from telemetry service. * @status: Indicator of whether this update succeed. * @ext_status: Implementation specific update result. * @chunk1_addr_lo: Low 32bit physical address of the telemetry data chunk1 * starting address. * @chunk1_addr_hi: High 32bit physical address of the telemetry data chunk1 * starting address. * @chunk2_addr_lo: Low 32bit physical address of the telemetry data chunk2 * starting address. * @chunk2_addr_hi: High 32bit physical address of the telemetry data chunk2 * starting address. * @max_data_size: Maximum supported size of data of all data chunks combined. * @chunk1_size: Data size in bytes of the telemetry data chunk1 buffer. * @chunk2_size: Data size in bytes of the telemetry data chunk2 buffer. * @rollover_cnt: Number of times telemetry data buffer is overwritten * since telemetry buffer reset. * @reset_cnt: Number of times telemetry services resets that results in * rollover count and data chunk buffers are reset. */ struct pfrt_log_data_info { __u32 status; __u32 ext_status; __u64 chunk1_addr_lo; __u64 chunk1_addr_hi; __u64 chunk2_addr_lo; __u64 chunk2_addr_hi; __u32 max_data_size; __u32 chunk1_size; __u32 chunk2_size; __u32 rollover_cnt; __u32 reset_cnt; }; /** * struct pfrt_log_info - Telemetry log information. * @log_level: The telemetry log level. * @log_type: The telemetry log type(history and execution). * @log_revid: The telemetry log revision id. */ struct pfrt_log_info { __u32 log_level; __u32 log_type; __u32 log_revid; }; /** * PFRT_LOG_IOC_SET_INFO - _IOW(PFRUT_IOCTL_MAGIC, 0x06, * struct pfrt_log_info) * * Return: * * 0 - success * * -EFAULT - fail to get the setting parameter * * -EINVAL - fail to set the log level * * Set the PFRT log level and log type. The input information is * a struct pfrt_log_info. */ #define PFRT_LOG_IOC_SET_INFO _IOW(PFRUT_IOCTL_MAGIC, 0x06, struct pfrt_log_info) /** * PFRT_LOG_IOC_GET_INFO - _IOR(PFRUT_IOCTL_MAGIC, 0x07, * struct pfrt_log_info) * * Return: * * 0 - success * * -EINVAL - fail to get the log level * * -EFAULT - fail to copy the result back to userspace * * Retrieve log level and log type of the telemetry. The information is * a struct pfrt_log_info. */ #define PFRT_LOG_IOC_GET_INFO _IOR(PFRUT_IOCTL_MAGIC, 0x07, struct pfrt_log_info) /** * PFRT_LOG_IOC_GET_DATA_INFO - _IOR(PFRUT_IOCTL_MAGIC, 0x08, * struct pfrt_log_data_info) * * Return: * * 0 - success * * -EINVAL - fail to get the log buffer information * * -EFAULT - fail to copy the log buffer information to userspace * * Retrieve data information about the telemetry. The information * is a struct pfrt_log_data_info. */ #define PFRT_LOG_IOC_GET_DATA_INFO _IOR(PFRUT_IOCTL_MAGIC, 0x08, struct pfrt_log_data_info) #endif /* __PFRUT_H__ */