diff options
| author | Jack Steiner | 2008-03-28 14:12:06 -0500 |
|---|---|---|
| committer | Ingo Molnar | 2008-04-17 17:41:33 +0200 |
| commit | ae261868658773538ddda829c50224e5851c2342 (patch) | |
| tree | c6176e3c2bffae7307f32900a723e49efb2d6246 /include/asm-x86 | |
| parent | 05f2d12c3563dea8c81b301f9f3cf7919af23b13 (diff) | |
x86: add functions to determine if platform is a UV platform
Add functions that can be used to determine if an x86_64
system is a SGI "UV" system. UV systems come in 3 types and
are identified by the OEM ID in the MADT.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86')
| -rw-r--r-- | include/asm-x86/genapic_32.h | 5 | ||||
| -rw-r--r-- | include/asm-x86/genapic_64.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h index 5fa893dce729..f1b96932746b 100644 --- a/include/asm-x86/genapic_32.h +++ b/include/asm-x86/genapic_32.h @@ -114,4 +114,9 @@ struct genapic { extern struct genapic *genapic; +enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; +#define get_uv_system_type() UV_NONE +#define is_uv_system() 0 + + #endif diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h index d7e516ccbaa4..914815c28ae5 100644 --- a/include/asm-x86/genapic_64.h +++ b/include/asm-x86/genapic_64.h @@ -33,5 +33,10 @@ extern struct genapic *genapic; extern struct genapic apic_flat; extern struct genapic apic_physflat; +extern int acpi_madt_oem_check(char *, char *); + +enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; +extern enum uv_system_type get_uv_system_type(void); +extern int is_uv_system(void); #endif |