#include <arch/cpu.h>
#include <console/console.h>
#include <cbfs.h>
#include <commonlib/region.h>
#include <fmap.h>
#include <intelblocks/cse.h>
#include <intelblocks/cse_layout.h>
#include <intelbasecode/debug_feature.h>
#include <security/vboot/vboot_common.h>
#include <security/vboot/misc.h>
#include <soc/intel/common/reset.h>

Include dependency graph for cse_lite.c:

Data Structures
struct	cse_bp_entry

struct	cse_bp_info

struct	get_bp_info_rsp

Macros
#define	BPDT_HEADER_SZ sizeof(struct bpdt_header)

#define	BPDT_ENTRY_SZ sizeof(struct bpdt_entry)

#define	SUBPART_HEADER_SZ sizeof(struct subpart_hdr)

#define	SUBPART_ENTRY_SZ sizeof(struct subpart_entry)

#define	SUBPART_MANIFEST_HDR_SZ sizeof(struct subpart_entry_manifest_header)

#define	GET_BP_STR(bp_index) (bp_index ? "RW" : "RO")

#define	CSE_RW_SIGNATURE 0x000055aa

#define	CSE_RW_SIGN_SIZE sizeof(uint32_t)

#define	CSE_MAX_BOOT_PARTITIONS 3

Enumerations
enum	boot_partition_id { RO = 0 , RW = 1 }

enum	bp_status { BP_STATUS_SUCCESS = 0 , BP_STATUS_GENERAL_FAILURE = 1 , BP_STATUS_PARTITION_NOT_PRESENT = 2 , BP_STATUS_DATA_FAILURE = 3 }

enum	bp_info_flags { BP_INFO_REDUNDANCY_EN = 1 << 0 , BP_INFO_MIN_RECOV_MODE_EN = 1 << 1 , BP_INFO_READ_ONLY_CFG = 1 << 2 }

enum	cse_update_status { CSE_UPDATE_NOT_REQUIRED , CSE_UPDATE_UPGRADE , CSE_UPDATE_DOWNGRADE , CSE_UPDATE_CORRUPTED , CSE_UPDATE_METADATA_ERROR }

Functions
bool	cse_get_boot_performance_data (struct cse_boot_perf_rsp *boot_perf_rsp)

static uint8_t	cse_get_current_bp (const struct cse_bp_info *cse_bp_info)

static const struct cse_bp_entry *	cse_get_bp_entry (enum boot_partition_id bp, const struct cse_bp_info *cse_bp_info)

static void	cse_print_boot_partition_info (const struct cse_bp_info *cse_bp_info)

static bool	cse_is_bp_cmd_info_possible (void)

static bool	cse_get_bp_info (struct get_bp_info_rsp *bp_info_rsp)

static bool	cse_set_next_boot_partition (enum boot_partition_id bp)

static bool	cse_data_clear_request (const struct cse_bp_info *cse_bp_info)

__weak void	cse_board_reset (void)

static bool	cse_set_and_boot_from_next_bp (enum boot_partition_id bp)

static bool	cse_boot_to_rw (const struct cse_bp_info *cse_bp_info)

static bool	cse_is_rw_dp_valid (const struct cse_bp_info *cse_bp_info)

static bool	cse_fix_data_failure_err (const struct cse_bp_info *cse_bp_info)

static const struct fw_version *	cse_get_bp_entry_version (enum boot_partition_id bp, const struct cse_bp_info *bp_info)

static const struct fw_version *	cse_get_rw_version (const struct cse_bp_info *cse_bp_info)

static void	cse_get_bp_entry_range (const struct cse_bp_info cse_bp_info, enum boot_partition_id bp, uint32_t start_offset, uint32_t *end_offset)

static bool	cse_is_rw_bp_status_valid (const struct cse_bp_info *cse_bp_info)

static bool	cse_boot_to_ro (const struct cse_bp_info *cse_bp_info)

static bool	cse_get_rw_rdev (struct region_device *rdev)

static bool	cse_is_rw_bp_sign_valid (const struct region_device *target_rdev)

static bool	cse_get_target_rdev (const struct cse_bp_info cse_bp_info, struct region_device target_rdev)

static const char *	cse_get_source_rdev_fmap (void)

static int	cse_compare_sub_part_version (const struct fw_version a, const struct fw_version b)

static bool	cse_verify_cbfs_rw_sha256 (const uint8_t expected_rw_blob_sha, const void rw_blob, const size_t rw_blob_sz)

static bool	cse_erase_rw_region (const struct region_device *target_rdev)

static bool	cse_copy_rw (const struct region_device target_rdev, const void buf, size_t offset, size_t size)

static bool	read_ver_field (const char start, char curr, size_t size, uint16_t ver_field)

static enum cse_update_status	cse_check_update_status (const struct cse_bp_info cse_bp_info, struct region_device target_rdev)

static bool	cse_write_rw_region (const struct region_device target_rdev, const void cse_cbfs_rw, const size_t cse_cbfs_rw_sz)

static bool	is_cse_fw_update_enabled (void)

static enum csme_failure_reason	cse_update_rw (const struct cse_bp_info cse_bp_info, const void cse_cbfs_rw, const size_t cse_blob_sz, struct region_device *target_rdev)

static bool	cse_prep_for_rw_update (const struct cse_bp_info *cse_bp_info, enum cse_update_status status)

static enum csme_failure_reason	cse_trigger_fw_update (const struct cse_bp_info cse_bp_info, enum cse_update_status status, struct region_device target_rdev)

static uint8_t	cse_fw_update (const struct cse_bp_info *cse_bp_info)

static const char *	cse_sub_part_str (enum bpdt_entry_type type)

static bool	cse_locate_area_as_rdev_rw (const struct cse_bp_info cse_bp_info, size_t bp, struct region_device cse_rdev)

static bool	cse_sub_part_get_target_rdev (const struct cse_bp_info cse_bp_info, struct region_device target_rdev, size_t bp, enum bpdt_entry_type type)

static bool	cse_get_sub_part_fw_version (enum bpdt_entry_type type, const struct region_device rdev, struct fw_version fw_ver)

static void	cse_sub_part_get_source_fw_version (void subpart_cbfs_rw, struct fw_version fw_ver)

static bool	cse_prep_for_component_update (const struct cse_bp_info *cse_bp_info)

static uint8_t	cse_sub_part_trigger_update (enum bpdt_entry_type type, uint8_t bp, const void subpart_cbfs_rw, const size_t blob_sz, struct region_device target_rdev)

static uint8_t	handle_cse_sub_part_fw_update_rv (uint8_t rv)

static enum csme_failure_reason	cse_sub_part_fw_component_update (enum bpdt_entry_type type, const struct cse_bp_info cse_bp_info, const char name)

static uint8_t	cse_sub_part_fw_update (const struct cse_bp_info *cse_bp_info)

void	cse_fw_sync (void)

Variables
struct cse_bp_entry	__packed

static const char *const	cse_regions [] = {"RO", "RW"}

Macro Definition Documentation

◆ BPDT_ENTRY_SZ

#define BPDT_ENTRY_SZ sizeof(struct bpdt_entry)

Definition at line 16 of file cse_lite.c.

◆ BPDT_HEADER_SZ

#define BPDT_HEADER_SZ sizeof(struct bpdt_header)

Definition at line 15 of file cse_lite.c.

◆ CSE_MAX_BOOT_PARTITIONS

#define CSE_MAX_BOOT_PARTITIONS 3

Definition at line 38 of file cse_lite.c.

◆ CSE_RW_SIGN_SIZE

#define CSE_RW_SIGN_SIZE sizeof(uint32_t)

Definition at line 28 of file cse_lite.c.

◆ CSE_RW_SIGNATURE

#define CSE_RW_SIGNATURE 0x000055aa

Definition at line 25 of file cse_lite.c.

◆ GET_BP_STR

#define GET_BP_STR ( bp_index ) (bp_index ? "RW" : "RO")

Definition at line 22 of file cse_lite.c.

◆ SUBPART_ENTRY_SZ

#define SUBPART_ENTRY_SZ sizeof(struct subpart_entry)

Definition at line 18 of file cse_lite.c.

◆ SUBPART_HEADER_SZ

#define SUBPART_HEADER_SZ sizeof(struct subpart_hdr)

Definition at line 17 of file cse_lite.c.

◆ SUBPART_MANIFEST_HDR_SZ

#define SUBPART_MANIFEST_HDR_SZ sizeof(struct subpart_entry_manifest_header)

Definition at line 19 of file cse_lite.c.

Enumeration Type Documentation

◆ boot_partition_id

enum boot_partition_id

Enumerator
RO
RW

Definition at line 41 of file cse_lite.c.

◆ bp_info_flags

enum bp_info_flags

Enumerator
BP_INFO_REDUNDANCY_EN
BP_INFO_MIN_RECOV_MODE_EN
BP_INFO_READ_ONLY_CFG

Definition at line 77 of file cse_lite.c.

◆ bp_status

enum bp_status

Enumerator
BP_STATUS_SUCCESS
BP_STATUS_GENERAL_FAILURE
BP_STATUS_PARTITION_NOT_PRESENT
BP_STATUS_DATA_FAILURE

Definition at line 53 of file cse_lite.c.

◆ cse_update_status

enum cse_update_status

Enumerator
CSE_UPDATE_NOT_REQUIRED
CSE_UPDATE_UPGRADE
CSE_UPDATE_DOWNGRADE
CSE_UPDATE_CORRUPTED
CSE_UPDATE_METADATA_ERROR

Definition at line 582 of file cse_lite.c.

Function Documentation

◆ cse_board_reset()

__weak void cse_board_reset ( void )

Definition at line 350 of file cse_lite.c.

Referenced by cse_set_and_boot_from_next_bp().

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◆ cse_boot_to_ro()

static bool cse_boot_to_ro ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 454 of file cse_lite.c.

References cse_get_current_bp(), cse_set_and_boot_from_next_bp(), and RO.

Referenced by cse_prep_for_component_update(), and cse_prep_for_rw_update().

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◆ cse_boot_to_rw()

static bool cse_boot_to_rw ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 373 of file cse_lite.c.

References cse_get_current_bp(), cse_set_and_boot_from_next_bp(), and RW.

Referenced by cse_fix_data_failure_err().

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◆ cse_check_update_status()

static enum cse_update_status cse_check_update_status	(	const struct cse_bp_info *	cse_bp_info,
		struct region_device *	target_rdev
	)

static

Definition at line 590 of file cse_lite.c.

References BIOS_ERR, printk, and skip_atoi().

Referenced by cse_fw_update().

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◆ cse_compare_sub_part_version()

static int cse_compare_sub_part_version	(	const struct fw_version *	a,
		const struct fw_version *	b
	)

static

Definition at line 527 of file cse_lite.c.

References fw_version::build, fw_version::hotfix, fw_version::major, and fw_version::minor.

◆ cse_copy_rw()

static bool cse_copy_rw	(	const struct region_device *	target_rdev,
		const void *	buf,
		size_t	offset,
		size_t	size
	)

static

Definition at line 571 of file cse_lite.c.

References BIOS_ERR, buf, offset, printk, and rdev_writeat().

Referenced by cse_sub_part_trigger_update(), and cse_write_rw_region().

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◆ cse_data_clear_request()

static bool cse_data_clear_request ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 312 of file cse_lite.c.

References __packed, BIOS_DEBUG, BIOS_ERR, cse_get_current_bp(), cse_is_hfs1_com_soft_temp_disable(), cse_is_hfs1_cws_normal(), HECI_MKHI_ADDR, heci_send_receive(), MKHI_BUP_COMMON_DATA_CLEAR, MKHI_GROUP_ID_BUP_COMMON, printk, mkhi_hdr::result, and RO.

Referenced by cse_fix_data_failure_err(), and cse_prep_for_rw_update().

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◆ cse_erase_rw_region()

static bool cse_erase_rw_region ( const struct region_device * target_rdev )

static

Definition at line 562 of file cse_lite.c.

References BIOS_ERR, printk, rdev_eraseat(), and region_device_sz().

Referenced by cse_sub_part_trigger_update().

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◆ cse_fix_data_failure_err()

static bool cse_fix_data_failure_err ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 394 of file cse_lite.c.

References cse_boot_to_rw(), cse_data_clear_request(), and cse_is_rw_dp_valid().

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◆ cse_fw_sync()

void cse_fw_sync ( void )

Definition at line 1042 of file cse_lite.c.

Referenced by mainboard_romstage_entry().

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◆ cse_fw_update()

static uint8_t cse_fw_update ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 763 of file cse_lite.c.

References BIOS_DEBUG, BIOS_ERR, cse_check_update_status(), cse_get_target_rdev(), CSE_LITE_SKU_RW_ACCESS_ERROR, CSE_LITE_SKU_RW_METADATA_NOT_FOUND, CSE_NO_ERROR, cse_trigger_fw_update(), CSE_UPDATE_METADATA_ERROR, CSE_UPDATE_NOT_REQUIRED, and printk.

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◆ cse_get_boot_performance_data()

bool cse_get_boot_performance_data ( struct cse_boot_perf_rsp * boot_perf_rsp )

Definition at line 133 of file cse_lite.c.

References __packed, BIOS_ERR, cse_boot_perf_rsp::hdr, HECI_MKHI_ADDR, heci_send_receive(), MKHI_BUP_COMMON_GET_BOOT_PERF_DATA, MKHI_GROUP_ID_BUP_COMMON, printk, and mkhi_hdr::result.

Referenced by cbmem_inject_telemetry_data().

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◆ cse_get_bp_entry()

static const struct cse_bp_entry* cse_get_bp_entry	(	enum boot_partition_id	bp,
		const struct cse_bp_info *	cse_bp_info
	)

static

Definition at line 169 of file cse_lite.c.

References cse_bp_info::bp_entries.

Referenced by cse_get_bp_entry_range(), cse_get_bp_entry_version(), cse_is_rw_bp_status_valid(), cse_is_rw_dp_valid(), and cse_print_boot_partition_info().

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◆ cse_get_bp_entry_range()

static void cse_get_bp_entry_range	(	const struct cse_bp_info *	cse_bp_info,
		enum boot_partition_id	bp,
		uint32_t *	start_offset,
		uint32_t *	end_offset
	)

static

Definition at line 425 of file cse_lite.c.

References cse_get_bp_entry(), cse_bp_entry::end_offset, and cse_bp_entry::start_offset.

Referenced by cse_get_target_rdev(), and cse_locate_area_as_rdev_rw().

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◆ cse_get_bp_entry_version()

static const struct fw_version* cse_get_bp_entry_version	(	enum boot_partition_id	bp,
		const struct cse_bp_info *	bp_info
	)

static

Definition at line 411 of file cse_lite.c.

References cse_get_bp_entry(), and cse_bp_entry::fw_ver.

Referenced by cse_get_rw_version().

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◆ cse_get_bp_info()

static bool cse_get_bp_info ( struct get_bp_info_rsp * bp_info_rsp )

static

Definition at line 226 of file cse_lite.c.

References __packed, BIOS_ERR, get_bp_info_rsp::bp_info, cse_is_bp_cmd_info_possible(), cse_print_boot_partition_info(), get_bp_info_rsp::hdr, HECI_MKHI_ADDR, heci_send_receive(), MKHI_BUP_COMMON_GET_BOOT_PARTITION_INFO, MKHI_GROUP_ID_BUP_COMMON, printk, and mkhi_hdr::result.

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◆ cse_get_current_bp()

static uint8_t cse_get_current_bp ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 164 of file cse_lite.c.

References cse_bp_info::current_bp.

Referenced by cse_boot_to_ro(), cse_boot_to_rw(), and cse_data_clear_request().

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◆ cse_get_rw_rdev()

static bool cse_get_rw_rdev ( struct region_device * rdev )

static

Definition at line 462 of file cse_lite.c.

References BIOS_ERR, fmap_locate_area_as_rdev_rw(), printk, and rdev.

Referenced by cse_get_target_rdev(), and cse_locate_area_as_rdev_rw().

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◆ cse_get_rw_version()

static const struct fw_version* cse_get_rw_version ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 420 of file cse_lite.c.

References cse_get_bp_entry_version(), and RW.

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◆ cse_get_source_rdev_fmap()

static const char* cse_get_source_rdev_fmap ( void )

static

Definition at line 508 of file cse_lite.c.

References NULL, vboot_get_context(), and vboot_is_firmware_slot_a().

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◆ cse_get_sub_part_fw_version()

static bool cse_get_sub_part_fw_version	(	enum bpdt_entry_type	type,
		const struct region_device *	rdev,
		struct fw_version *	fw_ver
	)

static

Definition at line 866 of file cse_lite.c.

References subpart_entry_manifest_header::binary_version, BIOS_ERR, subpart_entry_manifest_header::build, cse_sub_part_str(), fw_ver, subpart_entry_manifest_header::hotfix, subpart_entry_manifest_header::major, subpart_entry_manifest_header::minor, subpart_entry::offset_bytes, printk, rdev, rdev_readat(), SUBPART_ENTRY_SZ, SUBPART_HEADER_SZ, SUBPART_MANIFEST_HDR_SZ, and type.

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◆ cse_get_target_rdev()

static bool cse_get_target_rdev	(	const struct cse_bp_info *	cse_bp_info,
		struct region_device *	target_rdev
	)

static

Definition at line 485 of file cse_lite.c.

References BIOS_DEBUG, cse_get_bp_entry_range(), cse_get_rw_rdev(), printk, rdev_chain(), and RW.

Referenced by cse_fw_update().

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◆ cse_is_bp_cmd_info_possible()

static bool cse_is_bp_cmd_info_possible ( void )

static

Definition at line 213 of file cse_lite.c.

References cse_is_hfs1_com_normal(), cse_is_hfs1_com_secover_mei_msg(), cse_is_hfs1_com_soft_temp_disable(), and cse_is_hfs1_cws_normal().

Referenced by cse_get_bp_info(), and cse_set_next_boot_partition().

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◆ cse_is_rw_bp_sign_valid()

static bool cse_is_rw_bp_sign_valid ( const struct region_device * target_rdev )

static

Definition at line 473 of file cse_lite.c.

References BIOS_ERR, CSE_RW_SIGN_SIZE, CSE_RW_SIGNATURE, printk, and rdev_readat().

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◆ cse_is_rw_bp_status_valid()

static bool cse_is_rw_bp_status_valid ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 440 of file cse_lite.c.

References BIOS_ERR, BP_STATUS_GENERAL_FAILURE, BP_STATUS_PARTITION_NOT_PRESENT, cse_get_bp_entry(), printk, RW, and cse_bp_entry::status.

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◆ cse_is_rw_dp_valid()

static bool cse_is_rw_dp_valid ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 382 of file cse_lite.c.

References BP_STATUS_DATA_FAILURE, cse_get_bp_entry(), RW, and cse_bp_entry::status.

Referenced by cse_fix_data_failure_err().

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◆ cse_locate_area_as_rdev_rw()

static bool cse_locate_area_as_rdev_rw	(	const struct cse_bp_info *	cse_bp_info,
		size_t	bp,
		struct region_device *	cse_rdev
	)

static

Definition at line 795 of file cse_lite.c.

References BIOS_DEBUG, cse_get_bp_entry_range(), cse_get_rw_rdev(), cse_regions, printk, rdev_chain(), RO, RW, and strcmp().

Referenced by cse_sub_part_get_target_rdev().

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◆ cse_prep_for_component_update()

static bool cse_prep_for_component_update ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 910 of file cse_lite.c.

References cse_boot_to_ro(), and cse_hmrfpo_enable().

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◆ cse_prep_for_rw_update()

static bool cse_prep_for_rw_update	(	const struct cse_bp_info *	cse_bp_info,
		enum cse_update_status	status
	)

static

Definition at line 697 of file cse_lite.c.

References BIOS_ERR, cse_boot_to_ro(), cse_data_clear_request(), cse_hmrfpo_enable(), CSE_UPDATE_CORRUPTED, CSE_UPDATE_DOWNGRADE, and printk.

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◆ cse_print_boot_partition_info()

static void cse_print_boot_partition_info ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 175 of file cse_lite.c.

References BIOS_DEBUG, fw_version::build, cse_get_bp_entry(), cse_bp_info::current_bp, cse_bp_entry::end_offset, cse_bp_info::flags, cse_bp_entry::fw_ver, GET_BP_STR, fw_version::hotfix, fw_version::major, fw_version::minor, cse_bp_info::next_bp, printk, RO, RW, cse_bp_entry::start_offset, cse_bp_entry::status, and cse_bp_info::total_number_of_bp.

Referenced by cse_get_bp_info().

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◆ cse_set_and_boot_from_next_bp()

static bool cse_set_and_boot_from_next_bp ( enum boot_partition_id bp )

static

Definition at line 356 of file cse_lite.c.

References cse_board_reset(), cse_set_next_boot_partition(), die(), and do_global_reset().

Referenced by cse_boot_to_ro(), and cse_boot_to_rw().

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◆ cse_set_next_boot_partition()

static bool cse_set_next_boot_partition ( enum boot_partition_id bp )

static

Definition at line 269 of file cse_lite.c.

References __packed, BIOS_ERR, BIOS_INFO, cse_is_bp_cmd_info_possible(), GET_BP_STR, HECI_MKHI_ADDR, heci_send_receive(), MKHI_BUP_COMMON_SET_BOOT_PARTITION_INFO, MKHI_GROUP_ID_BUP_COMMON, printk, mkhi_hdr::result, RO, and RW.

Referenced by cse_set_and_boot_from_next_bp().

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◆ cse_sub_part_fw_component_update()

static enum csme_failure_reason cse_sub_part_fw_component_update	(	enum bpdt_entry_type	type,
		const struct cse_bp_info *	cse_bp_info,
		const char *	name
	)

static

Definition at line 948 of file cse_lite.c.

References CSE_LITE_SKU_PART_UPDATE_SUCCESS, CSE_LITE_SKU_SUB_PART_UPDATE_NOT_REQ, and cse_trigger_vboot_recovery().

Referenced by cse_sub_part_fw_update().

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◆ cse_sub_part_fw_update()

static uint8_t cse_sub_part_fw_update ( const struct cse_bp_info * cse_bp_info )

static

Definition at line 1023 of file cse_lite.c.

References BIOS_INFO, CSE_LITE_SKU_SUB_PART_UPDATE_NOT_REQ, cse_sub_part_fw_component_update(), handle_cse_sub_part_fw_update_rv(), IOM_FW, NPHY_FW, printk, and skip_cse_sub_part_update().

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◆ cse_sub_part_get_source_fw_version()

static void cse_sub_part_get_source_fw_version	(	void *	subpart_cbfs_rw,
		struct fw_version *	fw_ver
	)

static

Definition at line 895 of file cse_lite.c.

References subpart_entry_manifest_header::binary_version, subpart_entry_manifest_header::build, fw_ver, subpart_entry_manifest_header::hotfix, subpart_entry_manifest_header::major, subpart_entry_manifest_header::minor, subpart_entry::offset_bytes, and SUBPART_HEADER_SZ.

◆ cse_sub_part_get_target_rdev()

static bool cse_sub_part_get_target_rdev	(	const struct cse_bp_info *	cse_bp_info,
		struct region_device *	target_rdev,
		size_t	bp,
		enum bpdt_entry_type	type
	)

static

Definition at line 821 of file cse_lite.c.

References BIOS_ERR, BIOS_INFO, BPDT_ENTRY_SZ, BPDT_HEADER_SZ, cse_locate_area_as_rdev_rw(), cse_regions, cse_sub_part_str(), bpdt_header::descriptor_count, MAX_SUBPARTS, offset, printk, rdev_chain(), rdev_readat(), bpdt_entry::size, and type.

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◆ cse_sub_part_str()

static const char* cse_sub_part_str ( enum bpdt_entry_type type )

static

Definition at line 783 of file cse_lite.c.

References IOM_FW, NPHY_FW, and type.

Referenced by cse_get_sub_part_fw_version(), cse_sub_part_get_target_rdev(), and cse_sub_part_trigger_update().

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◆ cse_sub_part_trigger_update()

static uint8_t cse_sub_part_trigger_update	(	enum bpdt_entry_type	type,
		uint8_t	bp,
		const void *	subpart_cbfs_rw,
		const size_t	blob_sz,
		struct region_device *	target_rdev
	)

static

Definition at line 923 of file cse_lite.c.

References BIOS_ERR, BIOS_INFO, cse_copy_rw(), cse_erase_rw_region(), CSE_LITE_SKU_PART_UPDATE_SUCCESS, CSE_LITE_SKU_SUB_PART_LAYOUT_MISMATCH_ERROR, CSE_LITE_SKU_SUB_PART_UPDATE_FAIL, cse_sub_part_str(), GET_BP_STR, printk, region_device_sz(), and type.

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◆ cse_trigger_fw_update()

static enum csme_failure_reason cse_trigger_fw_update	(	const struct cse_bp_info *	cse_bp_info,
		enum cse_update_status	status,
		struct region_device *	target_rdev
	)

static

Definition at line 697 of file cse_lite.c.

Referenced by cse_fw_update().

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◆ cse_update_rw()

static enum csme_failure_reason cse_update_rw	(	const struct cse_bp_info *	cse_bp_info,
		const void *	cse_cbfs_rw,
		const size_t	cse_blob_sz,
		struct region_device *	target_rdev
	)

static

Definition at line 667 of file cse_lite.c.

References CONFIG, and is_debug_cse_fw_update_disable().

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◆ cse_verify_cbfs_rw_sha256()

static bool cse_verify_cbfs_rw_sha256	(	const uint8_t *	expected_rw_blob_sha,
		const void *	rw_blob,
		const size_t	rw_blob_sz
	)

static

Definition at line 540 of file cse_lite.c.

References BIOS_ERR, BIOS_SPEW, memcmp(), and printk.

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◆ cse_write_rw_region()

static bool cse_write_rw_region	(	const struct region_device *	target_rdev,
		const void *	cse_cbfs_rw,
		const size_t	cse_cbfs_rw_sz
	)

static

Definition at line 645 of file cse_lite.c.

References BIOS_INFO, cse_copy_rw(), CSE_RW_SIGN_SIZE, and printk.

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◆ handle_cse_sub_part_fw_update_rv()

static uint8_t handle_cse_sub_part_fw_update_rv ( uint8_t rv )

static

Definition at line 948 of file cse_lite.c.

Referenced by cse_sub_part_fw_update().

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◆ is_cse_fw_update_enabled()

static bool is_cse_fw_update_enabled ( void )

static

Definition at line 667 of file cse_lite.c.

◆ read_ver_field()

static bool read_ver_field	(	const char *	start,
		char **	curr,
		size_t	size,
		uint16_t *	ver_field
	)

static

Definition at line 590 of file cse_lite.c.

Variable Documentation

◆ __packed

struct get_bp_info_rsp __packed

Referenced by cse_data_clear_request(), cse_get_boot_performance_data(), cse_get_bp_info(), and cse_set_next_boot_partition().

◆ cse_regions

const char* const cse_regions[] = {"RO", "RW"}

static

Definition at line 131 of file cse_lite.c.

Referenced by cse_locate_area_as_rdev_rw(), and cse_sub_part_get_target_rdev().

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ BPDT_ENTRY_SZ

◆ BPDT_HEADER_SZ

◆ CSE_MAX_BOOT_PARTITIONS

◆ CSE_RW_SIGN_SIZE

◆ CSE_RW_SIGNATURE

◆ GET_BP_STR

◆ SUBPART_ENTRY_SZ

◆ SUBPART_HEADER_SZ

◆ SUBPART_MANIFEST_HDR_SZ

Enumeration Type Documentation

◆ boot_partition_id

◆ bp_info_flags

◆ bp_status

◆ cse_update_status

Function Documentation

◆ cse_board_reset()

◆ cse_boot_to_ro()

◆ cse_boot_to_rw()

◆ cse_check_update_status()

◆ cse_compare_sub_part_version()

◆ cse_copy_rw()

◆ cse_data_clear_request()

◆ cse_erase_rw_region()

◆ cse_fix_data_failure_err()

◆ cse_fw_sync()

◆ cse_fw_update()

◆ cse_get_boot_performance_data()

◆ cse_get_bp_entry()

◆ cse_get_bp_entry_range()

◆ cse_get_bp_entry_version()

◆ cse_get_bp_info()

◆ cse_get_current_bp()

◆ cse_get_rw_rdev()

◆ cse_get_rw_version()

◆ cse_get_source_rdev_fmap()

◆ cse_get_sub_part_fw_version()

◆ cse_get_target_rdev()

◆ cse_is_bp_cmd_info_possible()

◆ cse_is_rw_bp_sign_valid()

◆ cse_is_rw_bp_status_valid()

◆ cse_is_rw_dp_valid()

◆ cse_locate_area_as_rdev_rw()

◆ cse_prep_for_component_update()

◆ cse_prep_for_rw_update()

◆ cse_print_boot_partition_info()

◆ cse_set_and_boot_from_next_bp()

◆ cse_set_next_boot_partition()

◆ cse_sub_part_fw_component_update()

◆ cse_sub_part_fw_update()

◆ cse_sub_part_get_source_fw_version()

◆ cse_sub_part_get_target_rdev()

◆ cse_sub_part_str()

◆ cse_sub_part_trigger_update()

◆ cse_trigger_fw_update()

◆ cse_update_rw()

◆ cse_verify_cbfs_rw_sha256()

◆ cse_write_rw_region()

◆ handle_cse_sub_part_fw_update_rv()

◆ is_cse_fw_update_enabled()

◆ read_ver_field()

Variable Documentation

◆ __packed

◆ cse_regions