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efi: add comment for efi_system_table and efi_configuration_table

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This commit adds the comment for efi_system_table and
efi_configuration_table structure.

Signed-off-by: Masahisa Kojima <masahisa.kojima@linaro.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Masahisa Kojima 2021-11-12 16:24:27 +09:00 committed by Heinrich Schuchardt
parent 3f80064fd5
commit 45c16fd0c2
1 changed files with 32 additions and 0 deletions
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32
include/efi_api.h
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@ -417,6 +417,15 @@ struct efi_runtime_services {
EFI_GUID(0x1e2ed096, 0x30e2, 0x4254, 0xbd, \
0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25)
/**
* struct efi_configuration_table - EFI Configuration Table
*
* This table contains a set of GUID/pointer pairs.
* The EFI Configuration Table may contain at most one instance of each table type.
*
* @guid: GUID that uniquely identifies the system configuration table
* @table: A pointer to the table associated with guid
*/
struct efi_configuration_table {
efi_guid_t guid;
void *table;
@ -424,6 +433,29 @@ struct efi_configuration_table {
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
/**
* struct efi_system_table - EFI System Table
*
* EFI System Table contains pointers to the runtime and boot services tables.
*
* @hdr: The table header for the EFI System Table
* @fw_vendor: A pointer to a null terminated string that identifies the vendor
* that produces the system firmware
* @fw_revision: The revision of the system firmware
* @con_in_handle: The handle for the active console input device
* @con_in: A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface
* that is associated with con_in_handle
* @con_out_handle: The handle for the active console output device
* @con_out: A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
* that is associated with con_out_handle
* @stderr_handle: The handle for the active standard error console device
* @std_err: A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
* that is associated with stderr_handle
* @runtime: A pointer to the EFI Runtime Services Table
* @boottime: A pointer to the EFI Boot Services Table
* @nr_tables: The number of system configuration tables
* @tables: A pointer to the system configuration tables
*/
struct efi_system_table {
struct efi_table_hdr hdr;
u16 *fw_vendor; /* physical addr of wchar_t vendor string */