From 922402f15a85f7a064926eb1db68cc52bc4d4a91 Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Fri, 3 Oct 2008 11:59:33 -0500 Subject: x86: Add UV partition call v4 Add a bios call to return partitioning related info. Signed-off-by: Russ Anderson Signed-off-by: H. Peter Anvin Signed-off-by: Ingo Molnar --- arch/x86/kernel/bios_uv.c | 44 +++++++++++++++++++++++++++++++++++++++----- 1 file changed, 39 insertions(+), 5 deletions(-) (limited to 'arch/x86/kernel/bios_uv.c') diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index 5481eb59f783..f0dfe6f17e7e 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -23,6 +23,7 @@ #include #include #include +#include struct uv_systab uv_systab; @@ -65,14 +66,47 @@ s64 uv_bios_call_reentrant(enum uv_bios_cmd which, u64 a1, u64 a2, u64 a3, return ret; } -long -x86_bios_freq_base(unsigned long clock_type, unsigned long *ticks_per_second, - unsigned long *drift_info) + +long sn_partition_id; +EXPORT_SYMBOL_GPL(sn_partition_id); +long uv_coherency_id; +EXPORT_SYMBOL_GPL(uv_coherency_id); +long uv_region_size; +EXPORT_SYMBOL_GPL(uv_region_size); +int uv_type; + + +s64 uv_bios_get_sn_info(int fc, int *uvtype, long *partid, long *coher, + long *region) +{ + s64 ret; + u64 v0, v1; + union partition_info_u part; + + ret = uv_bios_call_irqsave(UV_BIOS_GET_SN_INFO, fc, + (u64)(&v0), (u64)(&v1), 0, 0); + if (ret != BIOS_STATUS_SUCCESS) + return ret; + + part.val = v0; + if (uvtype) + *uvtype = part.hub_version; + if (partid) + *partid = part.partition_id; + if (coher) + *coher = part.coherence_id; + if (region) + *region = part.region_size; + return ret; +} + + +s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second) { return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type, - (u64)ticks_per_second, 0, 0, 0); + (u64)ticks_per_second, 0, 0, 0); } -EXPORT_SYMBOL_GPL(x86_bios_freq_base); +EXPORT_SYMBOL_GPL(uv_bios_freq_base); #ifdef CONFIG_EFI -- cgit v1.2.1