diff options
Diffstat (limited to 'xen/include/asm-x86/xstate.h')
| -rw-r--r-- | xen/include/asm-x86/xstate.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/xen/include/asm-x86/xstate.h b/xen/include/asm-x86/xstate.h index b0b9a1c5cb..ddac468404 100644 --- a/xen/include/asm-x86/xstate.h +++ b/xen/include/asm-x86/xstate.h @@ -33,7 +33,6 @@ #define XSTATE_NONLAZY (XSTATE_LWP) #define XSTATE_LAZY (XSTATE_ALL & ~XSTATE_NONLAZY) -extern unsigned int xsave_cntxt_size; extern u64 xfeature_mask; /* extended state save area */ @@ -78,11 +77,14 @@ uint64_t get_xcr0(void); void xsave(struct vcpu *v, uint64_t mask); void xrstor(struct vcpu *v, uint64_t mask); bool_t xsave_enabled(const struct vcpu *v); +int __must_check validate_xstate(u64 xcr0, u64 xcr0_accum, u64 xstate_bv, + u64 xfeat_mask); int __must_check handle_xsetbv(u32 index, u64 new_bv); /* extended state init and cleanup functions */ void xstate_free_save_area(struct vcpu *v); int xstate_alloc_save_area(struct vcpu *v); void xstate_init(bool_t bsp); +unsigned int xstate_ctxt_size(u64 xcr0); #endif /* __ASM_XSTATE_H */ |