diff options
| author | Ard Biesheuvel <[email protected]> | 2016-04-25 21:06:44 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2016-04-28 11:33:54 +0200 |
| commit | a604af075a3226adaff84b7026876f0c6dfe9f52 (patch) | |
| tree | 1e809751b31cd7e32292818c7731709116a3b3aa /include/linux | |
| parent | 1fd55a9a09b0293af95ab4299b108f030fef4464 (diff) | |
efi: Add support for the EFI_MEMORY_ATTRIBUTES_TABLE config table
This declares the GUID and struct typedef for the new memory attributes
table which contains the permissions that can be used to apply stricter
permissions to UEFI Runtime Services memory regions.
Signed-off-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Matt Fleming <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Leif Lindholm <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Peter Jones <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Sai Praneeth Prakhya <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Will Deacon <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/efi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index c2c0da49876e..81af5feba1f7 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -623,6 +623,10 @@ void efi_native_runtime_setup(void); EFI_GUID(0x3152bca5, 0xeade, 0x433d, \ 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) +#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID \ + EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, \ + 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) + typedef struct { efi_guid_t guid; u64 table; @@ -847,6 +851,14 @@ typedef struct { #define EFI_INVALID_TABLE_ADDR (~0UL) +typedef struct { + u32 version; + u32 num_entries; + u32 desc_size; + u32 reserved; + efi_memory_desc_t entry[0]; +} efi_memory_attributes_table_t; + /* * All runtime access to EFI goes through this structure: */ @@ -868,6 +880,7 @@ extern struct efi { unsigned long config_table; /* config tables */ unsigned long esrt; /* ESRT table */ unsigned long properties_table; /* properties table */ + unsigned long mem_attr_table; /* memory attributes table */ efi_get_time_t *get_time; efi_set_time_t *set_time; efi_get_wakeup_time_t *get_wakeup_time; |