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x86: Add UV partition call v4

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Add a bios call to return partitioning related info.

Signed-off-by: Russ Anderson <[email protected]>
Signed-off-by: H. Peter Anvin <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Russ Anderson 2008-10-03 11:59:33 -05:00 • committed by Ingo Molnar
commit 922402f15a
3 changed files with 66 additions and 14 deletions
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22
include/asm-x86/uv/bios.h
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@ -61,6 +61,16 @@ enum {
BIOS_FREQ_BASE_REALTIME_CLOCK = 2
};
union partition_info_u {
u64 val;
struct {
u64 hub_version : 8,
partition_id : 16,
coherence_id : 16,
region_size : 24;
};
};
/*
* bios calls have 6 parameters
*/
@ -68,10 +78,16 @@ extern s64 uv_bios_call(enum uv_bios_cmd, u64, u64, u64, u64, u64);
extern s64 uv_bios_call_irqsave(enum uv_bios_cmd, u64, u64, u64, u64, u64);
extern s64 uv_bios_call_reentrant(enum uv_bios_cmd, u64, u64, u64, u64, u64);
extern s64 uv_bios_get_sn_info(int, int *, long *, long *, long *);
extern s64 uv_bios_freq_base(u64, u64 *);
extern void uv_bios_init(void);
extern long
x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
unsigned long *drift_info);
extern int uv_type;
extern long sn_partition_id;
extern long uv_coherency_id;
extern long uv_region_size;
#define partition_coherence_id() (uv_coherency_id)
#endif /* ASM_X86__UV__BIOS_H */