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Subject[PATCH 05/15] kvm/vmx: Extend BUILD_CONTROLS_SHADOW macro to support 64-bit variation
Date
The Tertiary VM-Exec Control, different from previous control fields, is 64
bit. So extend BUILD_CONTROLS_SHADOW() by adding a 'bit' parameter, to
support both 32 bit and 64 bit fields' auxiliary functions building.
Also, define the auxiliary functions for Tertiary control field here, using
the new BUILD_CONTROLS_SHADOW().

Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Robert Hoo <robert.hu@linux.intel.com>
---
arch/x86/kvm/vmx/vmx.h | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 008cb87..e0ade10 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -412,31 +412,32 @@ static inline u8 vmx_get_rvi(void)
return vmcs_read16(GUEST_INTR_STATUS) & 0xff;
}

-#define BUILD_CONTROLS_SHADOW(lname, uname) \
-static inline void lname##_controls_set(struct vcpu_vmx *vmx, u32 val) \
+#define BUILD_CONTROLS_SHADOW(lname, uname, bits) \
+static inline void lname##_controls_set(struct vcpu_vmx *vmx, u##bits val) \
{ \
if (vmx->loaded_vmcs->controls_shadow.lname != val) { \
- vmcs_write32(uname, val); \
+ vmcs_write##bits(uname, val); \
vmx->loaded_vmcs->controls_shadow.lname = val; \
} \
} \
-static inline u32 lname##_controls_get(struct vcpu_vmx *vmx) \
+static inline u##bits lname##_controls_get(struct vcpu_vmx *vmx) \
{ \
return vmx->loaded_vmcs->controls_shadow.lname; \
} \
-static inline void lname##_controls_setbit(struct vcpu_vmx *vmx, u32 val) \
+static inline void lname##_controls_setbit(struct vcpu_vmx *vmx, u##bits val) \
{ \
lname##_controls_set(vmx, lname##_controls_get(vmx) | val); \
} \
-static inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u32 val) \
+static inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u##bits val) \
{ \
lname##_controls_set(vmx, lname##_controls_get(vmx) & ~val); \
}
-BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS)
-BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS)
-BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL)
-BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL)
-BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL)
+BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS, 32)
+BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS, 32)
+BUILD_CONTROLS_SHADOW(pin, PIN_BASED_VM_EXEC_CONTROL, 32)
+BUILD_CONTROLS_SHADOW(exec, CPU_BASED_VM_EXEC_CONTROL, 32)
+BUILD_CONTROLS_SHADOW(secondary_exec, SECONDARY_VM_EXEC_CONTROL, 32)
+BUILD_CONTROLS_SHADOW(tertiary_exec, TERTIARY_VM_EXEC_CONTROL, 64)

static inline void vmx_register_cache_reset(struct kvm_vcpu *vcpu)
{
--
1.8.3.1
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