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authorMatt Fleming <matt.fleming@intel.com>2011-08-11 11:28:06 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2011-12-10 02:35:51 +0100
commit55839d515495e766605d7aaabd9c2758370a8d27 (patch)
treeea38cabedd89edfeed5239e7623663104ac3aad8
parentefi.h: Add boottime->locate_handle search types (diff)
downloadlinux-55839d515495e766605d7aaabd9c2758370a8d27.tar.xz
linux-55839d515495e766605d7aaabd9c2758370a8d27.zip
efi: Add EFI file I/O data types
The x86 EFI stub needs to access files, for example when loading initrd's. Add the required data types. Cc: Matthew Garrett <mjg@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com> Link: http://lkml.kernel.org/r/1318848017-12301-1-git-send-email-matt@console-pimps.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
-rw-r--r--include/linux/efi.h40
1 files changed, 40 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index d407c88f955f..37c300712e02 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -307,6 +307,12 @@ typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules,
#define EFI_PCI_IO_PROTOCOL_GUID \
EFI_GUID( 0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a )
+#define EFI_FILE_INFO_ID \
+ EFI_GUID( 0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
+
+#define EFI_FILE_SYSTEM_GUID \
+ EFI_GUID( 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
+
typedef struct {
efi_guid_t guid;
unsigned long table;
@@ -362,6 +368,40 @@ typedef struct {
unsigned long unload;
} efi_loaded_image_t;
+typedef struct {
+ u64 revision;
+ void *open_volume;
+} efi_file_io_interface_t;
+
+typedef struct {
+ u64 size;
+ u64 file_size;
+ u64 phys_size;
+ efi_time_t create_time;
+ efi_time_t last_access_time;
+ efi_time_t modification_time;
+ __aligned_u64 attribute;
+ efi_char16_t filename[1];
+} efi_file_info_t;
+
+typedef struct {
+ u64 revision;
+ void *open;
+ void *close;
+ void *delete;
+ void *read;
+ void *write;
+ void *get_position;
+ void *set_position;
+ void *get_info;
+ void *set_info;
+ void *flush;
+} efi_file_handle_t;
+
+#define EFI_FILE_MODE_READ 0x0000000000000001
+#define EFI_FILE_MODE_WRITE 0x0000000000000002
+#define EFI_FILE_MODE_CREATE 0x8000000000000000
+
#define EFI_INVALID_TABLE_ADDR (~0UL)
/*