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KVM: selftests: Add VM_MODE_P47V47_16K VM mode

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On LoongArch system, 16K page is used in general and GVA width is 47 bit
while GPA width is 47 bit also, here add new VM mode VM_MODE_P47V47_16K.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Bibo Mao
2025-05-20 20:20:23 +08:00
committed by Huacai Chen
parent 05d70ebf74
commit a5460d1919
2 changed files with 4 additions and 0 deletions
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3
tools/testing/selftests/kvm/lib/kvm_util.c
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@@ -222,6 +222,7 @@ const char *vm_guest_mode_string(uint32_t i)
[VM_MODE_P36V48_4K] = "PA-bits:36, VA-bits:48, 4K pages",
[VM_MODE_P36V48_16K] = "PA-bits:36, VA-bits:48, 16K pages",
[VM_MODE_P36V48_64K] = "PA-bits:36, VA-bits:48, 64K pages",
[VM_MODE_P47V47_16K] = "PA-bits:47, VA-bits:47, 16K pages",
[VM_MODE_P36V47_16K] = "PA-bits:36, VA-bits:47, 16K pages",
};
_Static_assert(sizeof(strings)/sizeof(char *) == NUM_VM_MODES,
@@ -248,6 +249,7 @@ const struct vm_guest_mode_params vm_guest_mode_params[] = {
[VM_MODE_P36V48_4K] = { 36, 48, 0x1000, 12 },
[VM_MODE_P36V48_16K] = { 36, 48, 0x4000, 14 },
[VM_MODE_P36V48_64K] = { 36, 48, 0x10000, 16 },
[VM_MODE_P47V47_16K] = { 47, 47, 0x4000, 14 },
[VM_MODE_P36V47_16K] = { 36, 47, 0x4000, 14 },
};
_Static_assert(sizeof(vm_guest_mode_params)/sizeof(struct vm_guest_mode_params) == NUM_VM_MODES,
@@ -319,6 +321,7 @@ struct kvm_vm *____vm_create(struct vm_shape shape)
case VM_MODE_P36V48_16K:
vm->pgtable_levels = 4;
break;
case VM_MODE_P47V47_16K:
case VM_MODE_P36V47_16K:
vm->pgtable_levels = 3;
break;