diff options
| author | Gleb Natapov <gleb@redhat.com> | 2010-03-18 15:20:16 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-05-17 12:16:14 +0300 |
| commit | 2dafc6c234b6064189405f42e1602e9a0abe5a44 (patch) | |
| tree | 43ac5a6ead7a4fad9627d500b9e91a69e8ad7e8b /arch/x86/include/asm/kvm_emulate.h | |
| parent | aca06a83071e4e4c9150751db7ea6a46240734fc (diff) | |
KVM: x86 emulator: Provide more callbacks for x86 emulator.
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std() callbacks.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_emulate.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_emulate.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h index 07657258af8..f901467a18b 100644 --- a/arch/x86/include/asm/kvm_emulate.h +++ b/arch/x86/include/asm/kvm_emulate.h @@ -63,6 +63,15 @@ struct x86_emulate_ops { unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error); /* + * write_std: Write bytes of standard (non-emulated/special) memory. + * Used for descriptor writing. + * @addr: [IN ] Linear address to which to write. + * @val: [OUT] Value write to memory, zero-extended to 'u_long'. + * @bytes: [IN ] Number of bytes to write to memory. + */ + int (*write_std)(unsigned long addr, void *val, + unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error); + /* * fetch: Read bytes of standard (non-emulated/special) memory. * Used for instruction fetch. * @addr: [IN ] Linear address from which to read. @@ -108,6 +117,13 @@ struct x86_emulate_ops { const void *new, unsigned int bytes, struct kvm_vcpu *vcpu); + bool (*get_cached_descriptor)(struct desc_struct *desc, + int seg, struct kvm_vcpu *vcpu); + void (*set_cached_descriptor)(struct desc_struct *desc, + int seg, struct kvm_vcpu *vcpu); + u16 (*get_segment_selector)(int seg, struct kvm_vcpu *vcpu); + void (*set_segment_selector)(u16 sel, int seg, struct kvm_vcpu *vcpu); + void (*get_gdt)(struct desc_ptr *dt, struct kvm_vcpu *vcpu); ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu); void (*set_cr)(int cr, ulong val, struct kvm_vcpu *vcpu); int (*cpl)(struct kvm_vcpu *vcpu); |