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authorMike Travis <travis@sgi.com>2010-02-02 14:38:14 -0800
committerH. Peter Anvin <hpa@zytor.com>2010-02-05 14:05:41 -0800
commit841582ea9e29a8f757c30c5377ce649586ba793a (patch)
tree439044c8b5b61b7d1df231896519083f3ffb2bfb /arch/x86/include/asm/uv
parent95a8b6efc5d07103583f706c8a5889437d537939 (diff)
downloadblackbird-op-linux-841582ea9e29a8f757c30c5377ce649586ba793a.tar.gz
blackbird-op-linux-841582ea9e29a8f757c30c5377ce649586ba793a.zip
x86, uv: Update UV arch to target Legacy VGA I/O correctly.
Add function to direct Legacy VGA I/O traffic to correct I/O Hub. Signed-off-by: Mike Travis <travis@sgi.com> LKML-Reference: <201002022238.o12McEbi018727@imap1.linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Robin Holt <holt@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/uv')
-rw-r--r--arch/x86/include/asm/uv/bios.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 2751f3075d8b..163427597d03 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -36,7 +36,8 @@ enum uv_bios_cmd {
UV_BIOS_WATCHLIST_ALLOC,
UV_BIOS_WATCHLIST_FREE,
UV_BIOS_MEMPROTECT,
- UV_BIOS_GET_PARTITION_ADDR
+ UV_BIOS_GET_PARTITION_ADDR,
+ UV_BIOS_SET_LEGACY_VGA_TARGET
};
/*
@@ -96,6 +97,7 @@ extern int uv_bios_mq_watchlist_alloc(unsigned long, unsigned int,
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 int uv_bios_set_legacy_vga_target(bool decode, int domain, int bus);
extern void uv_bios_init(void);
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