sgi-xp: define xp_expand_memprotect() and xp_restrict_memprotect()

Define xp_expand_memprotect() and xp_restrict_memprotect() so they can be
tailered to the hardware they are run on.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h
index 859a5281c61b..974ffe3817b6 100644
--- a/drivers/misc/sgi-xp/xp.h
+++ b/drivers/misc/sgi-xp/xp.h
@@ -190,9 +190,10 @@ enum xp_retval {
         xpGruSendMqError,       /* 59: gru send message queue related error */
 
         xpBadChannelNumber,     /* 60: invalid channel number */
-        xpBadMsgType,           /* 60: invalid message type */
+        xpBadMsgType,           /* 61: invalid message type */
+        xpBiosError,            /* 62: BIOS error */
 
-        xpUnknownReason         /* 61: unknown reason - must be last in enum */
+        xpUnknownReason         /* 63: unknown reason - must be last in enum */
 };
 
 /*
@@ -341,6 +342,8 @@ extern unsigned long (*xp_pa) (void *);
 extern enum xp_retval (*xp_remote_memcpy) (unsigned long, const unsigned long,
                        size_t);
 extern int (*xp_cpu_to_nasid) (int);
+extern enum xp_retval (*xp_expand_memprotect) (unsigned long, unsigned long);
+extern enum xp_retval (*xp_restrict_memprotect) (unsigned long, unsigned long);
 
 extern u64 xp_nofault_PIOR_target;
 extern int xp_nofault_PIOR(void *);