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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2015-09-09 11:08:15 +0300
committerMatt Fleming <matt.fleming@intel.com>2015-10-12 16:20:07 +0300
commitbf924863c9445174c6e118f723dc477e2b6ccc7e (patch)
treef59b9d7ab08d6e67decc6f791be1f1891b688b80 /include/linux/efi.h
parent8be4432eb629a2762bad9173d6b06e6ea9c0dfcb (diff)
downloadlinux-bf924863c9445174c6e118f723dc477e2b6ccc7e.tar.xz
efi: Add support for UEFIv2.5 Properties table
Version 2.5 of the UEFI spec introduces a new configuration table called the 'EFI Properties table'. Currently, it is only used to convey whether the Memory Protection feature is enabled, which splits PE/COFF images into separate code and data memory regions. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Leif Lindholm <leif.lindholm@linaro.org> Acked-by: Dave Young <dyoung@redhat.com> Signed-off-by: Matt Fleming <matt.fleming@intel.com>
Diffstat (limited to 'include/linux/efi.h')
-rw-r--r--include/linux/efi.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 4677d8a1bfd0..d6a9bee755f2 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -596,6 +596,9 @@ void efi_native_runtime_setup(void);
#define DEVICE_TREE_GUID \
EFI_GUID( 0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0 )
+#define EFI_PROPERTIES_TABLE_GUID \
+ EFI_GUID( 0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5 )
+
typedef struct {
efi_guid_t guid;
u64 table;
@@ -809,6 +812,15 @@ typedef struct _efi_file_io_interface {
#define EFI_FILE_MODE_WRITE 0x0000000000000002
#define EFI_FILE_MODE_CREATE 0x8000000000000000
+typedef struct {
+ u32 version;
+ u32 length;
+ u64 memory_protection_attribute;
+} efi_properties_table_t;
+
+#define EFI_PROPERTIES_TABLE_VERSION 0x00010000
+#define EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA 0x1
+
#define EFI_INVALID_TABLE_ADDR (~0UL)
/*
@@ -831,6 +843,7 @@ extern struct efi {
unsigned long runtime; /* runtime table */
unsigned long config_table; /* config tables */
unsigned long esrt; /* ESRT table */
+ unsigned long properties_table; /* properties table */
efi_get_time_t *get_time;
efi_set_time_t *set_time;
efi_get_wakeup_time_t *get_wakeup_time;