diff options
| author | Russ Anderson <rja@sgi.com> | 2008-11-05 22:15:13 -0600 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-11-05 20:30:25 -0800 |
| commit | 23c357003b3671cdfb17bc4d5383589e74b71511 (patch) | |
| tree | af814d258a260947ef4e2cccef2e0a8d61df6ace | |
| parent | e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc (diff) | |
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>
| -rw-r--r-- | arch/x86/include/asm/uv/bios.h | 5 | ||||
| -rw-r--r-- | arch/x86/kernel/bios_uv.c | 11 |
2 files changed, 15 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h index a301a56d4157..da1c4e8e78fc 100644 --- a/arch/x86/include/asm/uv/bios.h +++ b/arch/x86/include/asm/uv/bios.h @@ -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(int, void *, unsigned int, 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); diff --git a/arch/x86/kernel/bios_uv.c b/arch/x86/kernel/bios_uv.c index 7cf6fc3d1c10..d22d0f1bbea0 100644 --- a/arch/x86/kernel/bios_uv.c +++ b/arch/x86/kernel/bios_uv.c @@ -142,6 +142,17 @@ uv_bios_change_memprotect(u64 paddr, u64 len, enum uv_memprotect perms) } 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, |