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authorMatthew Garrett <mjg@redhat.com>2011-07-21 16:57:56 -0400
committerTony Luck <tony.luck@intel.com>2011-07-22 16:15:04 -0700
commit5ee9c198a4208d7760275d48e4c4f6c89dcd2ef0 (patch)
tree19f0c26f13df5302432afd1e870f357fa009b990 /include/linux/efi.h
parentdee28e72b619b48ec80a9e5509db458dbe66f71f (diff)
downloadop-kernel-dev-5ee9c198a4208d7760275d48e4c4f6c89dcd2ef0.zip
op-kernel-dev-5ee9c198a4208d7760275d48e4c4f6c89dcd2ef0.tar.gz
efi: Add support for using efivars as a pstore backend
EFI provides an area of nonvolatile storage managed by the firmware. We can use this as a pstore backend to maintain copies of oopses, aiding diagnosis. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/linux/efi.h')
-rw-r--r--include/linux/efi.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index e376270..c1f5107 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -19,6 +19,7 @@
#include <linux/rtc.h>
#include <linux/ioport.h>
#include <linux/pfn.h>
+#include <linux/pstore.h>
#include <asm/page.h>
#include <asm/system.h>
@@ -211,6 +212,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz
#define UV_SYSTEM_TABLE_GUID \
EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
+#define LINUX_EFI_CRASH_GUID \
+ EFI_GUID( 0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0 )
+
typedef struct {
efi_guid_t guid;
unsigned long table;
@@ -426,6 +430,8 @@ struct efivars {
struct kset *kset;
struct bin_attribute *new_var, *del_var;
const struct efivar_operations *ops;
+ struct efivar_entry *walk_entry;
+ struct pstore_info efi_pstore_info;
};
int register_efivars(struct efivars *efivars,
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