efi: add comment for efi_system_table and efi_configuration_table

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>

diff --git a/include/efi_api.h b/include/efi_api.h
index 0accad0..db35819 100644 (file)
--- a/include/efi_api.h
+++ b/include/efi_api.h
@@ -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 */