mmu: refine functions for invept

- rename mmu_invept to invept
- panic if HW doesn't support invept

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>

Author: JasonChenCJ

hypervisor/arch/x86/interrupt.c

@@ -289,7 +289,7 @@ int acrn_do_intr_process(struct vcpu *vcpu)
 	uint64_t *pending_intr_bits = &vcpu->arch_vcpu.pending_intr;
 
 	if (bitmap_test_and_clear(ACRN_REQUEST_TLB_FLUSH, pending_intr_bits))
-		mmu_invept(vcpu);
+		invept(vcpu);
 
 	if (bitmap_test_and_clear(ACRN_REQUEST_TMR_UPDATE, pending_intr_bits))
 		vioapic_update_tmr(vcpu);

hypervisor/arch/x86/mmu.c

@@ -118,6 +118,9 @@ static void check_mmu_capability(void)
 	cpuid(CPUID_EXTEND_FUNCTION_1, &eax, &ebx, &ecx, &edx);
 	mm_caps.mmu_1gb_page_supported = (edx & CPUID_EDX_PAGE1GB) ?
 							(true) : (false);
+
+	if (!mm_caps.invept_supported)
+		panic("invept must be supported");
 }
 
 static inline bool check_invept_single_support(void)
@@ -132,7 +135,7 @@ static inline bool check_invept_global_support(void)
 			mm_caps.invept_global_context_supported;
 }
 
-void mmu_invept(struct vcpu *vcpu)
+void invept(struct vcpu *vcpu)
 {
 	struct invept_desc desc = {0};
 

hypervisor/arch/x86/trusty.c

@@ -174,8 +174,8 @@ static void create_secure_world_ept(struct vm *vm, uint64_t gpa_orig,
 	vm->sworld_control.sworld_memory.base_hpa = hpa;
 	vm->sworld_control.sworld_memory.length = size;
 
-	mmu_invept(vm->current_vcpu);
-	mmu_invept(vm0->current_vcpu);
+	invept(vm->current_vcpu);
+	invept(vm0->current_vcpu);
 
 }
 

hypervisor/include/arch/x86/mmu.h

@@ -324,7 +324,7 @@ int unmap_mem(struct map_params *map_params, void *paddr, void *vaddr,
 		      uint64_t size, uint32_t flags);
 int modify_mem(struct map_params *map_params, void *paddr, void *vaddr,
 		       uint64_t size, uint32_t flags);
-void mmu_invept(struct vcpu *vcpu);
+void invept(struct vcpu *vcpu);
 bool check_continuous_hpa(struct vm *vm, uint64_t gpa, uint64_t size);
 int obtain_last_page_table_entry(struct map_params *map_params,
 		struct entry_params *entry, void *addr, bool direct);