x86: uv: Add UV reserved page bios call
Add UV bios call to get the address of the reserved page.
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c
index 7cf6fc3..d22d0f1 100644
--- a/arch/x86/kernel/bios_uv.c
+++ b/arch/x86/kernel/bios_uv.c
@@ -142,6 +142,17 @@
}
EXPORT_SYMBOL_GPL(uv_bios_change_memprotect);
+s64
+uv_bios_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
+{
+ s64 ret;
+
+ ret = uv_bios_call_irqsave(UV_BIOS_GET_PARTITION_ADDR, (u64)cookie,
+ (u64)addr, buf, (u64)len, 0);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(uv_bios_reserved_page_pa);
+
s64 uv_bios_freq_base(u64 clock_type, u64 *ticks_per_second)
{
return uv_bios_call(UV_BIOS_FREQ_BASE, clock_type,