Messages in this thread Patch in this message | | | Date | Tue, 21 Oct 2008 15:01:28 -0500 | From | Russ Anderson <> | Subject | [PATCH 3/3] x86: Add UV reserved page bios call |
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Add UV bios call to get the address of the reserved page.
Signed-off-by: Russ Anderson <rja@sgi.com>
--- arch/x86/kernel/bios_uv.c | 11 +++++++++++ include/asm-x86/uv/bios.h | 5 ++++- 2 files changed, 15 insertions(+), 1 deletion(-)
Index: linux/arch/x86/kernel/bios_uv.c =================================================================== --- linux.orig/arch/x86/kernel/bios_uv.c 2008-10-21 14:55:24.000000000 -0500 +++ linux/arch/x86/kernel/bios_uv.c 2008-10-21 14:55:27.000000000 -0500 @@ -142,6 +142,17 @@ uv_bios_change_memprotect(u64 paddr, u64 } 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, Index: linux/include/asm-x86/uv/bios.h =================================================================== --- linux.orig/include/asm-x86/uv/bios.h 2008-10-21 14:55:24.000000000 -0500 +++ linux/include/asm-x86/uv/bios.h 2008-10-21 14:55:27.000000000 -0500 @@ -35,13 +35,15 @@ enum uv_bios_cmd { UV_BIOS_FREQ_BASE, UV_BIOS_WATCHLIST_ALLOC, UV_BIOS_WATCHLIST_FREE, - UV_BIOS_MEMPROTECT + UV_BIOS_MEMPROTECT, + UV_BIOS_GET_PARTITION_ADDR }; /* * Status values returned from a BIOS call. */ enum { + BIOS_STATUS_MORE_PASSES = 1, BIOS_STATUS_SUCCESS = 0, BIOS_STATUS_UNIMPLEMENTED = -ENOSYS, BIOS_STATUS_EINVAL = -EINVAL, @@ -102,6 +104,7 @@ extern int uv_bios_mq_watchlist_alloc(in unsigned long *); extern int uv_bios_mq_watchlist_free(int, int); extern s64 uv_bios_change_memprotect(u64, u64, enum uv_memprotect); +extern s64 uv_bios_reserved_page_pa(u64, u64 *, u64 *, u64 *); extern void uv_bios_init(void); -- Russ Anderson, OS RAS/Partitioning Project Lead SGI - Silicon Graphics Inc rja@sgi.com
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