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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 17:03:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-22 17:03:14 -0700
commit227ad9bc070db2801a7f586b4d350dd1d8b82e03 (patch)
treefe5182ed4131e5f4c77eaedda6566e1b3ca082e0 /arch/x86
parent35b004cce1b0880876faecb8e0bd7cb2cb5a59d1 (diff)
parentd80603c9d876efafd8b07469c891076de470e323 (diff)
Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, efi: Properly pre-initialize table pointers x86, efi: Add infrastructure for UEFI 2.0 runtime services x86, efi: Fix argument types for SetVariable()
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/platform/efi/efi.c51
1 files changed, 49 insertions, 2 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index cfc588ce1155..3ae4128013e6 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -51,7 +51,17 @@
int efi_enabled;
EXPORT_SYMBOL(efi_enabled);
-struct efi efi;
+struct efi __read_mostly efi = {
+ .mps = EFI_INVALID_TABLE_ADDR,
+ .acpi = EFI_INVALID_TABLE_ADDR,
+ .acpi20 = EFI_INVALID_TABLE_ADDR,
+ .smbios = EFI_INVALID_TABLE_ADDR,
+ .sal_systab = EFI_INVALID_TABLE_ADDR,
+ .boot_info = EFI_INVALID_TABLE_ADDR,
+ .hcdp = EFI_INVALID_TABLE_ADDR,
+ .uga = EFI_INVALID_TABLE_ADDR,
+ .uv_systab = EFI_INVALID_TABLE_ADDR,
+};
EXPORT_SYMBOL(efi);
struct efi_memory_map memmap;
@@ -146,7 +156,7 @@ static efi_status_t virt_efi_get_next_variable(unsigned long *name_size,
static efi_status_t virt_efi_set_variable(efi_char16_t *name,
efi_guid_t *vendor,
- unsigned long attr,
+ u32 attr,
unsigned long data_size,
void *data)
{
@@ -155,6 +165,18 @@ static efi_status_t virt_efi_set_variable(efi_char16_t *name,
data_size, data);
}
+static efi_status_t virt_efi_query_variable_info(u32 attr,
+ u64 *storage_space,
+ u64 *remaining_space,
+ u64 *max_variable_size)
+{
+ if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION)
+ return EFI_UNSUPPORTED;
+
+ return efi_call_virt4(query_variable_info, attr, storage_space,
+ remaining_space, max_variable_size);
+}
+
static efi_status_t virt_efi_get_next_high_mono_count(u32 *count)
{
return efi_call_virt1(get_next_high_mono_count, count);
@@ -169,6 +191,28 @@ static void virt_efi_reset_system(int reset_type,
data_size, data);
}
+static efi_status_t virt_efi_update_capsule(efi_capsule_header_t **capsules,
+ unsigned long count,
+ unsigned long sg_list)
+{
+ if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION)
+ return EFI_UNSUPPORTED;
+
+ return efi_call_virt3(update_capsule, capsules, count, sg_list);
+}
+
+static efi_status_t virt_efi_query_capsule_caps(efi_capsule_header_t **capsules,
+ unsigned long count,
+ u64 *max_size,
+ int *reset_type)
+{
+ if (efi.runtime_version < EFI_2_00_SYSTEM_TABLE_REVISION)
+ return EFI_UNSUPPORTED;
+
+ return efi_call_virt4(query_capsule_caps, capsules, count, max_size,
+ reset_type);
+}
+
static efi_status_t __init phys_efi_set_virtual_address_map(
unsigned long memory_map_size,
unsigned long descriptor_size,
@@ -696,6 +740,9 @@ void __init efi_enter_virtual_mode(void)
efi.get_next_high_mono_count = virt_efi_get_next_high_mono_count;
efi.reset_system = virt_efi_reset_system;
efi.set_virtual_address_map = NULL;
+ efi.query_variable_info = virt_efi_query_variable_info;
+ efi.update_capsule = virt_efi_update_capsule;
+ efi.query_capsule_caps = virt_efi_query_capsule_caps;
if (__supported_pte_mask & _PAGE_NX)
runtime_code_page_mkexec();
early_iounmap(memmap.map, memmap.nr_map * memmap.desc_size);

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