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add data structure in vm for enable trusty feature

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add key info structure
add sworld_eptp in vm structure, and rename ept->nworld_eptp
add secure world control structure

Change-Id:
Tracked-On:220921
Signed-off-by: Mingqiang Chi <mingqiang.chi@intel.com>
This commit is contained in:
Mingqiang Chi
2018-03-05 15:09:30 +08:00
committed by Jack Ren
parent b4580d69b8
commit 78649c4a52
9 changed files with 166 additions and 19 deletions
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12
arch/x86/ept.c
View File

@@ -134,7 +134,7 @@ void free_ept_mem(void *pml4_addr)
void destroy_ept(struct vm *vm)
{
free_ept_mem(vm->arch_vm.ept);
free_ept_mem(vm->arch_vm.nworld_eptp);
free_ept_mem(vm->arch_vm.m2p);
}
@@ -147,7 +147,7 @@ uint64_t gpa2hpa_check(struct vm *vm, uint64_t gpa,
struct map_params map_params;
map_params.page_table_type = PT_EPT;
map_params.pml4_base = vm->arch_vm.ept;
map_params.pml4_base = vm->arch_vm.nworld_eptp;
map_params.pml4_inverted = vm->arch_vm.m2p;
obtain_last_page_table_entry(&map_params, &entry,
(void *)gpa, true);
@@ -186,7 +186,7 @@ uint64_t hpa2gpa(struct vm *vm, uint64_t hpa)
struct map_params map_params;
map_params.page_table_type = PT_EPT;
map_params.pml4_base = vm->arch_vm.ept;
map_params.pml4_base = vm->arch_vm.nworld_eptp;
map_params.pml4_inverted = vm->arch_vm.m2p;
obtain_last_page_table_entry(&map_params, &entry,
@@ -536,13 +536,13 @@ int ept_mmap(struct vm *vm, uint64_t hpa,
/* Setup memory map parameters */
map_params.page_table_type = PT_EPT;
if (vm->arch_vm.ept) {
map_params.pml4_base = vm->arch_vm.ept;
if (vm->arch_vm.nworld_eptp) {
map_params.pml4_base = vm->arch_vm.nworld_eptp;
map_params.pml4_inverted = vm->arch_vm.m2p;
} else {
map_params.pml4_base =
alloc_paging_struct();
vm->arch_vm.ept = map_params.pml4_base;
vm->arch_vm.nworld_eptp = map_params.pml4_base;
map_params.pml4_inverted = alloc_paging_struct();
vm->arch_vm.m2p = map_params.pml4_inverted;
}

4
arch/x86/guest/vm.c
View File

@@ -132,8 +132,8 @@ int create_vm(struct vm_description *vm_desc, struct vm **rtn_vm)
#endif
} else {
/* populate UOS vm fields according to vm_desc */
vm->secure_world_enabled =
vm_desc->secure_world_enabled;
vm->sworld_control.sworld_enabled =
vm_desc->sworld_enabled;
memcpy_s(&vm->GUID[0], sizeof(vm->GUID),
&vm_desc->GUID[0],
sizeof(vm_desc->GUID));

3
arch/x86/mmu.c
View File

@@ -137,7 +137,8 @@ void mmu_invept(struct vcpu *vcpu)
struct invept_desc desc = {0};
if (check_invept_single_support()) {
desc.eptp = (uint64_t) vcpu->vm->arch_vm.ept | (3 << 3) | 6;
desc.eptp = (uint64_t) vcpu->vm->arch_vm.nworld_eptp
| (3 << 3) | 6;
_invept(INVEPT_TYPE_SINGLE_CONTEXT, desc);
} else if (check_invept_global_support())
_invept(INVEPT_TYPE_ALL_CONTEXTS, desc);

2
arch/x86/vmx.c
View File

@@ -983,7 +983,7 @@ static void init_exec_ctrl(struct vcpu *vcpu)
* TODO: introduce API to make this data driven based
* on VMX_EPT_VPID_CAP
*/
value64 = ((uint64_t) vm->arch_vm.ept) | (3 << 3) | 6;
value64 = ((uint64_t) vm->arch_vm.nworld_eptp) | (3 << 3) | 6;
exec_vmwrite64(VMX_EPT_POINTER_FULL, value64);
pr_dbg("VMX_EPT_POINTER: 0x%016llx ", value64);