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authorRuss Anderson <rja@sgi.com>2008-11-05 22:13:44 -0600
committerH. Peter Anvin <hpa@zytor.com>2008-11-05 20:30:20 -0800
commite8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc (patch)
treeaa6d3ed8f4624a59c34be3b0c93f52bd0bc40016 /arch/x86/include/asm/uv
parent64ccf2f9a70a06ba56cd8cedfa610b4e77181587 (diff)
x86: uv: Add UV memory protection bios call
Add UV bios call to change memory protections. Signed-off-by: Russ Anderson <rja@sgi.com> 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.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 58105c5b0b4..a301a56d415 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -34,7 +34,8 @@ enum uv_bios_cmd {
UV_BIOS_GET_SN_INFO,
UV_BIOS_FREQ_BASE,
UV_BIOS_WATCHLIST_ALLOC,
- UV_BIOS_WATCHLIST_FREE
+ UV_BIOS_WATCHLIST_FREE,
+ UV_BIOS_MEMPROTECT
};
/*
@@ -82,6 +83,12 @@ union uv_watchlist_u {
};
};
+enum uv_memprotect {
+ UV_MEMPROT_RESTRICT_ACCESS,
+ UV_MEMPROT_ALLOW_AMO,
+ UV_MEMPROT_ALLOW_RW
+};
+
/*
* bios calls have 6 parameters
*/
@@ -94,6 +101,7 @@ extern s64 uv_bios_freq_base(u64, u64 *);
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 void uv_bios_init(void);