[RFC v2 1/2] efi: Early use of boot service memory

Jerry Hoemann
2013-11-21T21:01:49Z

Add #define to allow for specifying that firmware doesn't reuse
boot service code or data after Exit Boot Service.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hp.com>
---
include/linux/efi.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/include/linux/efi.h b/include/linux/efi.h
index 5f8f176..af085cf 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -568,6 +568,7 @@ efi_guid_unparse(efi_guid_t *guid, char *out)
}

extern void efi_init (void);
+extern void efi_quirks(void);
extern void *efi_get_pal_addr (void);
extern void efi_map_pal_code (void);
extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
@@ -634,6 +635,7 @@ extern int __init efi_setup_pcdp_console(char *);
#define EFI_RUNTIME_SERVICES 3 /* Can we use runtime services? */
#define EFI_MEMMAP 4 /* Can we use EFI memory map? */
#define EFI_64BIT 5 /* Is the firmware 64-bit? */
+#define EFI_QUIRK_RESERVE_BSCD 6 /* Reserve Boot Service Data/Code */

#ifdef CONFIG_EFI
# ifdef CONFIG_X86
--
1.7.11.3