[RFC PATCH v3 02/31] KVM: selftests: Add support for creating non-default type VMs

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From: Erdem Aktas <erdemaktas@xxxxxxxxxx>

Currently vm_create function only creates KVM_VM_TYPE_DEFAULT type VMs.
Adding type parameter to ____vm_create to create new VM types.

Signed-off-by: Erdem Aktas <erdemaktas@xxxxxxxxxx>
Reviewed-by: David Matlack <dmatlack@xxxxxxxxxx>
Signed-off-by: Ryan Afranji <afranji@xxxxxxxxxx>
Signed-off-by: Sagi Shahar <sagis@xxxxxxxxxx>
Signed-off-by: Ackerley Tng <ackerleytng@xxxxxxxxxx>
---
 tools/testing/selftests/kvm/include/kvm_util_base.h | 6 ++++--
 tools/testing/selftests/kvm/lib/kvm_util.c          | 6 +++---
 tools/testing/selftests/kvm/lib/x86_64/sev.c        | 2 +-
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 0db5cd4b8383a..0fa4dab3d8e52 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -27,6 +27,8 @@
 
 #define NSEC_PER_SEC 1000000000L
 
+#define KVM_VM_TYPE_DEFAULT	0
+
 typedef uint64_t vm_paddr_t; /* Virtual Machine (Guest) physical address */
 typedef uint64_t vm_vaddr_t; /* Virtual Machine (Guest) virtual address */
 
@@ -686,13 +688,13 @@ uint64_t vm_nr_pages_required(enum vm_guest_mode mode,
  * __vm_create() does NOT create vCPUs, @nr_runnable_vcpus is used purely to
  * calculate the amount of memory needed for per-vCPU data, e.g. stacks.
  */
-struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages);
+struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages, int type);
 struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint32_t nr_runnable_vcpus,
 			   uint64_t nr_extra_pages);
 
 static inline struct kvm_vm *vm_create_barebones(void)
 {
-	return ____vm_create(VM_MODE_DEFAULT, 0);
+	return ____vm_create(VM_MODE_DEFAULT, 0, KVM_VM_TYPE_DEFAULT);
 }
 
 static inline struct kvm_vm *vm_create(uint32_t nr_runnable_vcpus)
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 5257bce6f546d..14246f0fd2e78 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -185,7 +185,7 @@ const struct vm_guest_mode_params vm_guest_mode_params[] = {
 _Static_assert(sizeof(vm_guest_mode_params)/sizeof(struct vm_guest_mode_params) == NUM_VM_MODES,
 	       "Missing new mode params?");
 
-struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages)
+struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages, int type)
 {
 	struct kvm_vm *vm;
 
@@ -201,7 +201,7 @@ struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages)
 	hash_init(vm->regions.slot_hash);
 
 	vm->mode = mode;
-	vm->type = 0;
+	vm->type = type;
 
 	vm->pa_bits = vm_guest_mode_params[mode].pa_bits;
 	vm->va_bits = vm_guest_mode_params[mode].va_bits;
@@ -337,7 +337,7 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint32_t nr_runnable_vcpus,
 	struct userspace_mem_region *slot0;
 	struct kvm_vm *vm;
 
-	vm = ____vm_create(mode, nr_pages);
+	vm = ____vm_create(mode, nr_pages, KVM_VM_TYPE_DEFAULT);
 
 	kvm_vm_elf_load(vm, program_invocation_name);
 
diff --git a/tools/testing/selftests/kvm/lib/x86_64/sev.c b/tools/testing/selftests/kvm/lib/x86_64/sev.c
index faed2ebe63ac9..dedfd9f45cfb3 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/sev.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/sev.c
@@ -221,7 +221,7 @@ struct kvm_vm *vm_sev_create_with_one_vcpu(uint32_t policy, void *guest_code,
 	uint64_t nr_pages = vm_nr_pages_required(mode, 1, 0);
 	struct kvm_vm *vm;
 
-	vm = ____vm_create(mode, nr_pages);
+	vm = ____vm_create(mode, nr_pages, KVM_VM_TYPE_DEFAULT);
 
 	kvm_sev_ioctl(vm, KVM_SEV_INIT, NULL);
 
-- 
2.39.0.246.g2a6d74b583-goog




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