Add ____vm_create() to be the innermost helper, and turn vm_create() into a wrapper the specifies VM_MODE_DEFAULT. Most of the vm_create() callers just want the default mode, or more accurately, don't care about the mode. Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx> --- .../selftests/kvm/aarch64/psci_cpu_on_test.c | 2 +- tools/testing/selftests/kvm/dirty_log_test.c | 2 +- .../selftests/kvm/hardware_disable_test.c | 2 +- .../selftests/kvm/include/kvm_util_base.h | 18 +++++++++++++----- tools/testing/selftests/kvm/lib/kvm_util.c | 16 ++++++++-------- .../kvm/x86_64/pmu_event_filter_test.c | 2 +- .../selftests/kvm/x86_64/set_boot_cpu_id.c | 2 +- 7 files changed, 26 insertions(+), 18 deletions(-) diff --git a/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c index 4dc04a12f527..d60c1ddf8870 100644 --- a/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c +++ b/tools/testing/selftests/kvm/aarch64/psci_cpu_on_test.c @@ -76,7 +76,7 @@ int main(void) struct kvm_vm *vm; struct ucall uc; - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); ucall_init(vm, NULL); vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init); diff --git a/tools/testing/selftests/kvm/dirty_log_test.c b/tools/testing/selftests/kvm/dirty_log_test.c index aa7eb01ad25f..66ee00b45847 100644 --- a/tools/testing/selftests/kvm/dirty_log_test.c +++ b/tools/testing/selftests/kvm/dirty_log_test.c @@ -677,7 +677,7 @@ static struct kvm_vm *create_vm(enum vm_guest_mode mode, uint32_t vcpuid, pr_info("Testing guest mode: %s\n", vm_guest_mode_string(mode)); - vm = vm_create(mode, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages); + vm = __vm_create(mode, DEFAULT_GUEST_PHY_PAGES + extra_pg_pages); log_mode_create_vm_done(vm); vm_vcpu_add_default(vm, vcpuid, guest_code); diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c index 299862a85b8d..ccbbf8783e2d 100644 --- a/tools/testing/selftests/kvm/hardware_disable_test.c +++ b/tools/testing/selftests/kvm/hardware_disable_test.c @@ -104,7 +104,7 @@ static void run_test(uint32_t run) for (i = 0; i < VCPU_NUM; i++) CPU_SET(i, &cpu_set); - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); pr_debug("%s: [%d] start vcpus\n", __func__, run); for (i = 0; i < VCPU_NUM; ++i) { diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h index 48a4000222c1..136b5428ae0e 100644 --- a/tools/testing/selftests/kvm/include/kvm_util_base.h +++ b/tools/testing/selftests/kvm/include/kvm_util_base.h @@ -239,7 +239,6 @@ static inline void vm_enable_cap(struct kvm_vm *vm, struct kvm_enable_cap *cap) void vm_enable_dirty_ring(struct kvm_vm *vm, uint32_t ring_size); const char *vm_guest_mode_string(uint32_t i); -struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t phy_pages); void kvm_vm_free(struct kvm_vm *vmp); void kvm_vm_restart(struct kvm_vm *vmp); void kvm_vm_release(struct kvm_vm *vmp); @@ -594,9 +593,21 @@ vm_paddr_t vm_phy_pages_alloc(struct kvm_vm *vm, size_t num, vm_paddr_t paddr_min, uint32_t memslot); vm_paddr_t vm_alloc_page_table(struct kvm_vm *vm); +/* + * ____vm_create() does KVM_CREATE_VM and little else. __vm_create() also + * loads the test binary into guest memory and creates an IRQ chip (x86 only). + */ +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); + static inline struct kvm_vm *vm_create_barebones(void) { - return __vm_create(VM_MODE_DEFAULT, 0); + return ____vm_create(VM_MODE_DEFAULT, 0); +} + +static inline struct kvm_vm *vm_create(uint64_t nr_pages) +{ + return __vm_create(VM_MODE_DEFAULT, nr_pages); } /* @@ -628,9 +639,6 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, uint32_t num_percpu_pages, void *guest_code, uint32_t vcpuids[]); -/* Create a default VM without any vcpus. */ -struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t pages); - /* * Create a VM with a single vCPU with reasonable defaults and @extra_mem_pages * additional pages of guest memory. Returns the VM and vCPU (via out param). diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c index 632912aeaeb9..73247afa7265 100644 --- a/tools/testing/selftests/kvm/lib/kvm_util.c +++ b/tools/testing/selftests/kvm/lib/kvm_util.c @@ -153,12 +153,12 @@ 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 phy_pages) +struct kvm_vm *____vm_create(enum vm_guest_mode mode, uint64_t nr_pages) { struct kvm_vm *vm; pr_debug("%s: mode='%s' pages='%ld'\n", __func__, - vm_guest_mode_string(mode), phy_pages); + vm_guest_mode_string(mode), nr_pages); vm = calloc(1, sizeof(*vm)); TEST_ASSERT(vm != NULL, "Insufficient Memory"); @@ -255,20 +255,20 @@ struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t phy_pages) /* Allocate and setup memory for guest. */ vm->vpages_mapped = sparsebit_alloc(); - if (phy_pages != 0) + if (nr_pages != 0) vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, - 0, 0, phy_pages, 0); + 0, 0, nr_pages, 0); return vm; } -struct kvm_vm *vm_create(enum vm_guest_mode mode, uint64_t pages) +struct kvm_vm *__vm_create(enum vm_guest_mode mode, uint64_t nr_pages) { struct kvm_vm *vm; - pages = vm_adjust_num_guest_pages(VM_MODE_DEFAULT, pages); + nr_pages = vm_adjust_num_guest_pages(VM_MODE_DEFAULT, nr_pages); - vm = __vm_create(mode, pages); + vm = ____vm_create(mode, nr_pages); kvm_vm_elf_load(vm, program_invocation_name); @@ -327,7 +327,7 @@ struct kvm_vm *vm_create_with_vcpus(enum vm_guest_mode mode, uint32_t nr_vcpus, "nr_vcpus = %d too large for host, max-vcpus = %d", nr_vcpus, kvm_check_cap(KVM_CAP_MAX_VCPUS)); - vm = vm_create(mode, pages); + vm = __vm_create(mode, pages); for (i = 0; i < nr_vcpus; ++i) { uint32_t vcpuid = vcpuids ? vcpuids[i] : i; diff --git a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c index d80b0a408937..93af4ad728d8 100644 --- a/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c +++ b/tools/testing/selftests/kvm/x86_64/pmu_event_filter_test.c @@ -340,7 +340,7 @@ static void test_pmu_config_disable(void (*guest_code)(void)) if (!(r & KVM_PMU_CAP_DISABLE)) return; - vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES); + vm = vm_create(DEFAULT_GUEST_PHY_PAGES); cap.cap = KVM_CAP_PMU_CAPABILITY; cap.args[0] = KVM_PMU_CAP_DISABLE; diff --git a/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c b/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c index 6bc13cf17220..9ba3cd4e7f20 100644 --- a/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c +++ b/tools/testing/selftests/kvm/x86_64/set_boot_cpu_id.c @@ -86,7 +86,7 @@ static struct kvm_vm *create_vm(void) uint64_t extra_pg_pages = vcpu_pages / PTES_PER_MIN_PAGE * N_VCPU; uint64_t pages = DEFAULT_GUEST_PHY_PAGES + vcpu_pages + extra_pg_pages; - return vm_create(VM_MODE_DEFAULT, pages); + return vm_create(pages); } static void add_x86_vcpu(struct kvm_vm *vm, uint32_t vcpuid, bool bsp_code) -- 2.36.0.464.gb9c8b46e94-goog