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x86: uv: Add UV watchlist bios call

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Add UV bios calls to allocate and free watchlists.

Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Russ Anderson 2008-11-05 22:11:56 -06:00 committed by H. Peter Anvin
parent 69a72a0e93
commit 64ccf2f9a7
2 changed files with 49 additions and 1 deletions
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17
arch/x86/include/asm/uv/bios.h
View File

@ -32,7 +32,9 @@
enum uv_bios_cmd {
UV_BIOS_COMMON,
UV_BIOS_GET_SN_INFO,
UV_BIOS_FREQ_BASE
UV_BIOS_FREQ_BASE,
UV_BIOS_WATCHLIST_ALLOC,
UV_BIOS_WATCHLIST_FREE
};
/*
@ -71,6 +73,15 @@ union partition_info_u {
};
};
union uv_watchlist_u {
u64 val;
struct {
u64 blade : 16,
size : 32,
filler : 16;
};
};
/*
* bios calls have 6 parameters
*/
@ -80,9 +91,13 @@ 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 int uv_bios_mq_watchlist_alloc(int, void *, unsigned int,
unsigned long *);
extern int uv_bios_mq_watchlist_free(int, int);
extern void uv_bios_init(void);
extern unsigned long sn_rtc_cycles_per_second;
extern int uv_type;
extern long sn_partition_id;
extern long sn_coherency_id;

33
arch/x86/kernel/bios_uv.c
View File

@ -100,6 +100,39 @@ s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher,
return ret;
}
int
uv_bios_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size,
unsigned long *intr_mmr_offset)
{
union uv_watchlist_u size_blade;
unsigned long addr;
u64 watchlist;
s64 ret;
addr = (unsigned long)mq;
size_blade.size = mq_size;
size_blade.blade = blade;
/*
* bios returns watchlist number or negative error number.
*/
ret = (int)uv_bios_call_irqsave(UV_BIOS_WATCHLIST_ALLOC, addr,
size_blade.val, (u64)intr_mmr_offset,
(u64)&watchlist, 0);
if (ret < BIOS_STATUS_SUCCESS)
return ret;
return watchlist;
}
EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_alloc);
int
uv_bios_mq_watchlist_free(int blade, int watchlist_num)
{
return (int)uv_bios_call_irqsave(UV_BIOS_WATCHLIST_FREE,
blade, watchlist_num, 0, 0, 0);
}
EXPORT_SYMBOL_GPL(uv_bios_mq_watchlist_free);
s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
{