Commit a50f70b1 authored by Russ Anderson's avatar Russ Anderson Committed by Ingo Molnar
Browse files

x86: Add UV EFI table entry v4 



Look for a UV entry in the EFI tables.

Signed-off-by: default avatarRuss Anderson <rja@sgi.com>
Signed-off-by: default avatarPaul Jackson <pj@sgi.com>
Acked-by: default avatarHuang Ying <ying.huang@intel.com>
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 37762b6f

arch/x86/kernel/efi.c

+4 −0
Original line number Diff line number Diff line
@@ -366,6 +366,10 @@ void __init efi_init(void) 
					SMBIOS_TABLE_GUID)) {

			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;

include/linux/efi.h

+4 −0
Original line number Diff line number Diff line
@@ -208,6 +208,9 @@ typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_siz 
#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;

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