From 682128939f546e3a9cdd9fef392b932dd9c41a65 Mon Sep 17 00:00:00 2001 From: Robin Holt Date: Tue, 15 Dec 2009 16:47:53 -0800 Subject: 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 Cc: Jack Steiner Cc: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/misc/sgi-xp/xp.h | 1 + drivers/misc/sgi-xp/xp_main.c | 3 +++ drivers/misc/sgi-xp/xp_sn2.c | 10 ++++++++++ drivers/misc/sgi-xp/xp_uv.c | 10 ++++++++++ 4 files changed, 24 insertions(+) (limited to 'drivers') diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index 2275126cb334..851b2f25ce0e 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -339,6 +339,7 @@ extern short xp_partition_id; extern u8 xp_region_size; extern unsigned long (*xp_pa) (void *); +extern unsigned long (*xp_socket_pa) (unsigned long); extern enum xp_retval (*xp_remote_memcpy) (unsigned long, const unsigned long, size_t); extern int (*xp_cpu_to_nasid) (int); diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c index 7896849b16dc..01be66d02ca8 100644 --- a/drivers/misc/sgi-xp/xp_main.c +++ b/drivers/misc/sgi-xp/xp_main.c @@ -44,6 +44,9 @@ EXPORT_SYMBOL_GPL(xp_region_size); unsigned long (*xp_pa) (void *addr); EXPORT_SYMBOL_GPL(xp_pa); +unsigned long (*xp_socket_pa) (unsigned long gpa); +EXPORT_SYMBOL_GPL(xp_socket_pa); + enum xp_retval (*xp_remote_memcpy) (unsigned long dst_gpa, const unsigned long src_gpa, size_t len); EXPORT_SYMBOL_GPL(xp_remote_memcpy); diff --git a/drivers/misc/sgi-xp/xp_sn2.c b/drivers/misc/sgi-xp/xp_sn2.c index fb3ec9d735a9..d8e463f87241 100644 --- a/drivers/misc/sgi-xp/xp_sn2.c +++ b/drivers/misc/sgi-xp/xp_sn2.c @@ -83,6 +83,15 @@ xp_pa_sn2(void *addr) return __pa(addr); } +/* + * Convert a global physical to a socket physical address. + */ +static unsigned long +xp_socket_pa_sn2(unsigned long gpa) +{ + return gpa; +} + /* * Wrapper for bte_copy(). * @@ -162,6 +171,7 @@ xp_init_sn2(void) xp_region_size = sn_region_size; xp_pa = xp_pa_sn2; + xp_socket_pa = xp_socket_pa_sn2; xp_remote_memcpy = xp_remote_memcpy_sn2; xp_cpu_to_nasid = xp_cpu_to_nasid_sn2; xp_expand_memprotect = xp_expand_memprotect_sn2; 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; -- cgit v1.2.2