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| author |   Sean Christopherson <seanjc@google.com> | 2022-02-16 11:19:18 -0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2022-06-11 11:47:06 -0400 |
| commit | 0ffc70eab775b52432a76f26aada24c5b78ef0eb (patch) | |
| tree | 743f12bc266f5c458bbc0f453e590dc9683b7842 /tools/testing/selftests/kvm/lib/kvm_util.c | |
| parent | KVM: selftests: Convert hardware_disable_test to pass around vCPU objects (diff) | |
| download | linux-dev-0ffc70eab775b52432a76f26aada24c5b78ef0eb.tar.xz linux-dev-0ffc70eab775b52432a76f26aada24c5b78ef0eb.zip | |
KVM: selftests: Add VM creation helper that "returns" vCPUs
Add a VM creator that "returns" the created vCPUs by filling the provided
array. This will allow converting multi-vCPU tests away from hardcoded
vCPU IDs.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/testing/selftests/kvm/lib/kvm_util.c')
| -rw-r--r-- | tools/testing/selftests/kvm/lib/kvm_util.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index c2a99f26e9ba..3015d490a8f6 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -296,12 +296,13 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages) * extra_mem_pages is only used to calculate the maximum page table size, * no real memory allocation for non-slot0 memory in this function. */ -struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, - uint64_t slot0_mem_pages, uint64_t extra_mem_pages, - uint32_t num_percpu_pages, void *guest_code, - uint32_t vcpuids[]) +struct kvm_vm *__vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, + uint64_t slot0_mem_pages, uint64_t extra_mem_pages, + uint32_t num_percpu_pages, void *guest_code, + uint32_t vcpuids[], struct kvm_vcpu *vcpus[]) { uint64_t vcpu_pages, extra_pg_pages, pages; + struct kvm_vcpu *vcpu; struct kvm_vm *vm; int i; @@ -328,7 +329,9 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, for (i = 0; i < nr_vcpus; ++i) { uint32_t vcpuid = vcpuids ? vcpuids[i] : i; - vm_vcpu_add(vm, vcpuid, guest_code); + vcpu = vm_vcpu_add(vm, vcpuid, guest_code); + if (vcpus) + vcpus[i] = vcpu; } return vm; @@ -338,8 +341,8 @@ struct kvm_vm *vm_create_default_with_vcpus(uint32_t nr_vcpus, uint64_t extra_me uint32_t num_percpu_pages, void *guest_code, uint32_t vcpuids[]) { - return vm_create_with_vcpus(VM_MODE_DEFAULT, nr_vcpus, DEFAULT_GUEST_PHY_PAGES, - extra_mem_pages, num_percpu_pages, guest_code, vcpuids); + return __vm_create_with_vcpus(VM_MODE_DEFAULT, nr_vcpus, DEFAULT_GUEST_PHY_PAGES, + extra_mem_pages, num_percpu_pages, guest_code, vcpuids, NULL); } struct kvm_vm *vm_create_default(uint32_t vcpuid, uint64_t extra_mem_pages, |