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Diffstat (limited to 'tools/testing/selftests/kvm/aarch64/vcpu_width_config.c')
-rw-r--r--tools/testing/selftests/kvm/aarch64/vcpu_width_config.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c b/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c
deleted file mode 100644
index 80b74c6f152b..000000000000
--- a/tools/testing/selftests/kvm/aarch64/vcpu_width_config.c
+++ /dev/null
@@ -1,121 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * vcpu_width_config - Test KVM_ARM_VCPU_INIT() with KVM_ARM_VCPU_EL1_32BIT.
- *
- * Copyright (c) 2022 Google LLC.
- *
- * This is a test that ensures that non-mixed-width vCPUs (all 64bit vCPUs
- * or all 32bit vcPUs) can be configured and mixed-width vCPUs cannot be
- * configured.
- */
-
-#include "kvm_util.h"
-#include "processor.h"
-#include "test_util.h"
-
-
-/*
- * Add a vCPU, run KVM_ARM_VCPU_INIT with @init0, and then
- * add another vCPU, and run KVM_ARM_VCPU_INIT with @init1.
- */
-static int add_init_2vcpus(struct kvm_vcpu_init *init0,
- struct kvm_vcpu_init *init1)
-{
- struct kvm_vcpu *vcpu0, *vcpu1;
- struct kvm_vm *vm;
- int ret;
-
- vm = vm_create_barebones();
-
- vcpu0 = __vm_vcpu_add(vm, 0);
- ret = __vcpu_ioctl(vcpu0, KVM_ARM_VCPU_INIT, init0);
- if (ret)
- goto free_exit;
-
- vcpu1 = __vm_vcpu_add(vm, 1);
- ret = __vcpu_ioctl(vcpu1, KVM_ARM_VCPU_INIT, init1);
-
-free_exit:
- kvm_vm_free(vm);
- return ret;
-}
-
-/*
- * Add two vCPUs, then run KVM_ARM_VCPU_INIT for one vCPU with @init0,
- * and run KVM_ARM_VCPU_INIT for another vCPU with @init1.
- */
-static int add_2vcpus_init_2vcpus(struct kvm_vcpu_init *init0,
- struct kvm_vcpu_init *init1)
-{
- struct kvm_vcpu *vcpu0, *vcpu1;
- struct kvm_vm *vm;
- int ret;
-
- vm = vm_create_barebones();
-
- vcpu0 = __vm_vcpu_add(vm, 0);
- vcpu1 = __vm_vcpu_add(vm, 1);
-
- ret = __vcpu_ioctl(vcpu0, KVM_ARM_VCPU_INIT, init0);
- if (ret)
- goto free_exit;
-
- ret = __vcpu_ioctl(vcpu1, KVM_ARM_VCPU_INIT, init1);
-
-free_exit:
- kvm_vm_free(vm);
- return ret;
-}
-
-/*
- * Tests that two 64bit vCPUs can be configured, two 32bit vCPUs can be
- * configured, and two mixed-width vCPUs cannot be configured.
- * Each of those three cases, configure vCPUs in two different orders.
- * The one is running KVM_CREATE_VCPU for 2 vCPUs, and then running
- * KVM_ARM_VCPU_INIT for them.
- * The other is running KVM_CREATE_VCPU and KVM_ARM_VCPU_INIT for a vCPU,
- * and then run those commands for another vCPU.
- */
-int main(void)
-{
- struct kvm_vcpu_init init0, init1;
- struct kvm_vm *vm;
- int ret;
-
- TEST_REQUIRE(kvm_has_cap(KVM_CAP_ARM_EL1_32BIT));
-
- /* Get the preferred target type and copy that to init1 for later use */
- vm = vm_create_barebones();
- vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init0);
- kvm_vm_free(vm);
- init1 = init0;
-
- /* Test with 64bit vCPUs */
- ret = add_init_2vcpus(&init0, &init0);
- TEST_ASSERT(ret == 0,
- "Configuring 64bit EL1 vCPUs failed unexpectedly");
- ret = add_2vcpus_init_2vcpus(&init0, &init0);
- TEST_ASSERT(ret == 0,
- "Configuring 64bit EL1 vCPUs failed unexpectedly");
-
- /* Test with 32bit vCPUs */
- init0.features[0] = (1 << KVM_ARM_VCPU_EL1_32BIT);
- ret = add_init_2vcpus(&init0, &init0);
- TEST_ASSERT(ret == 0,
- "Configuring 32bit EL1 vCPUs failed unexpectedly");
- ret = add_2vcpus_init_2vcpus(&init0, &init0);
- TEST_ASSERT(ret == 0,
- "Configuring 32bit EL1 vCPUs failed unexpectedly");
-
- /* Test with mixed-width vCPUs */
- init0.features[0] = 0;
- init1.features[0] = (1 << KVM_ARM_VCPU_EL1_32BIT);
- ret = add_init_2vcpus(&init0, &init1);
- TEST_ASSERT(ret != 0,
- "Configuring mixed-width vCPUs worked unexpectedly");
- ret = add_2vcpus_init_2vcpus(&init0, &init1);
- TEST_ASSERT(ret != 0,
- "Configuring mixed-width vCPUs worked unexpectedly");
-
- return 0;
-}