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Subject[PATCH 1/4] x86: Add UV EFI table entry v4
[PATCH 1/4] x86: Add UV EFI table entry v4

Look for a UV entry in the EFI tables.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Paul Jackson <pj@sgi.com>
Acked-by: Huang Ying <ying.huang@intel.com>

---
arch/x86/kernel/efi.c | 4 ++++
include/linux/efi.h | 4 ++++
2 files changed, 8 insertions(+)

Index: linux/arch/x86/kernel/efi.c
===================================================================
--- linux.orig/arch/x86/kernel/efi.c 2008-10-03 11:05:13.000000000 -0500
+++ linux/arch/x86/kernel/efi.c 2008-10-03 11:05:18.000000000 -0500
@@ -367,6 +367,10 @@ void __init efi_init(void)
efi.smbios = config_tables[i].table;
printk(" SMBIOS=0x%lx ", config_tables[i].table);
} else if (!efi_guidcmp(config_tables[i].guid,
+ UV_SYSTEM_TABLE_GUID)) {
+ efi.uv_systab = config_tables[i].table;
+ printk(" UVsystab=0x%lx ", config_tables[i].table);
+ } else if (!efi_guidcmp(config_tables[i].guid,
HCDP_TABLE_GUID)) {
efi.hcdp = config_tables[i].table;
printk(" HCDP=0x%lx ", config_tables[i].table);
Index: linux/include/linux/efi.h
===================================================================
--- linux.orig/include/linux/efi.h 2008-10-03 11:05:09.000000000 -0500
+++ linux/include/linux/efi.h 2008-10-03 11:05:18.000000000 -0500
@@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_add
#define EFI_GLOBAL_VARIABLE_GUID \
EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )

+#define UV_SYSTEM_TABLE_GUID \
+ EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
+
typedef struct {
efi_guid_t guid;
unsigned long table;
@@ -255,6 +258,7 @@ extern struct efi {
unsigned long boot_info; /* boot info table */
unsigned long hcdp; /* HCDP table */
unsigned long uga; /* UGA table */
+ unsigned long uv_systab; /* UV system table */
efi_get_time_t *get_time;
efi_set_time_t *set_time;
efi_get_wakeup_time_t *get_wakeup_time;
--
Russ Anderson, OS RAS/Partitioning Project Lead
SGI - Silicon Graphics Inc rja@sgi.com

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