diff options
| author |   Robin Holt <holt@sgi.com> | 2009-12-15 16:47:53 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-16 07:20:13 -0800 |
| commit | 682128939f546e3a9cdd9fef392b932dd9c41a65 (patch) | |
| tree | ec641fbca980cbba69b655f7575523a8cdc93b30 /drivers/misc/sgi-xp/xp_uv.c | |
| parent | x86: uv: introduce a means to translate from gpa -> socket_paddr (diff) | |
| download | linux-dev-682128939f546e3a9cdd9fef392b932dd9c41a65.tar.xz linux-dev-682128939f546e3a9cdd9fef392b932dd9c41a65.zip | |
x86: uv: xpc needs to provide an abstraction for uv_gpa
Provide an SGI SN2/UV agnositic method for converting a global physical
address into a socket physical address.
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Jack Steiner <steiner@sgi.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/misc/sgi-xp/xp_uv.c')
| -rw-r--r-- | drivers/misc/sgi-xp/xp_uv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/sgi-xp/xp_uv.c b/drivers/misc/sgi-xp/xp_uv.c index d238576b26fa..1e61f8a61a30 100644 --- a/drivers/misc/sgi-xp/xp_uv.c +++ b/drivers/misc/sgi-xp/xp_uv.c @@ -32,6 +32,15 @@ xp_pa_uv(void *addr) return uv_gpa(addr); } +/* + * Convert a global physical to socket physical address. + */ +static unsigned long +xp_socket_pa_uv(unsigned long gpa) +{ + return uv_gpa_to_soc_phys_ram(gpa); +} + static enum xp_retval xp_remote_memcpy_uv(unsigned long dst_gpa, const unsigned long src_gpa, size_t len) @@ -123,6 +132,7 @@ xp_init_uv(void) xp_region_size = sn_region_size; xp_pa = xp_pa_uv; + xp_socket_pa = xp_socket_pa_uv; xp_remote_memcpy = xp_remote_memcpy_uv; xp_cpu_to_nasid = xp_cpu_to_nasid_uv; xp_expand_memprotect = xp_expand_memprotect_uv; |