include/uapi/linux/pfrut.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/pfrut.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/pfrut.h
Extension
.h
Size
8003 bytes
Lines
264
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct pfru_payload_hdr {
	__u32 sig;
	__u32 hdr_version;
	__u32 hdr_size;
	__u32 hw_ver;
	__u32 rt_ver;
	__u8 platform_id[16];
	__u32 svn_ver;
};

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;
};

Annotation

Implementation Notes