From e8929c8a6acbecbd629b8e3f2d1a2546ec4ebdfc Mon Sep 17 00:00:00 2001 From: Russ Anderson Date: Wed, 5 Nov 2008 22:13:44 -0600 Subject: x86: uv: Add UV memory protection bios call Add UV bios call to change memory protections. Signed-off-by: Russ Anderson Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/uv/bios.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'arch/x86/include/asm/uv') diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h index 58105c5b0b4e..a301a56d4157 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); -- cgit v1.2.1