[PATCH v2 066/144] KVM: selftests: Convert platform_info_test away from VCPU_ID

Sean Christopherson
2022-06-03T00:54:17Z

Convert platform_info_test to use vm_create_with_one_vcpu() and pass
around a 'struct kvm_vcpu' object instead of using a global VCPU_ID.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
.../selftests/kvm/x86_64/platform_info_test.c | 32 +++++++++----------
1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/tools/testing/selftests/kvm/x86_64/platform_info_test.c b/tools/testing/selftests/kvm/x86_64/platform_info_test.c
index e79c04581ca8..eb5e1f972d76 100644
--- a/tools/testing/selftests/kvm/x86_64/platform_info_test.c
+++ b/tools/testing/selftests/kvm/x86_64/platform_info_test.c
@@ -21,7 +21,6 @@
#include "kvm_util.h"
#include "processor.h"

-#define VCPU_ID 0
#define MSR_PLATFORM_INFO_MAX_TURBO_RATIO 0xff00

static void guest_code(void)
@@ -35,18 +34,18 @@ static void guest_code(void)
}
}

-static void test_msr_platform_info_enabled(struct kvm_vm *vm)
+static void test_msr_platform_info_enabled(struct kvm_vcpu *vcpu)
{
- struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+ struct kvm_run *run = vcpu->run;
struct ucall uc;

- vm_enable_cap(vm, KVM_CAP_MSR_PLATFORM_INFO, true);
- vcpu_run(vm, VCPU_ID);
+ vm_enable_cap(vcpu->vm, KVM_CAP_MSR_PLATFORM_INFO, true);
+ vcpu_run(vcpu->vm, vcpu->id);
TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
"Exit_reason other than KVM_EXIT_IO: %u (%s),\n",
run->exit_reason,
exit_reason_str(run->exit_reason));
- get_ucall(vm, VCPU_ID, &uc);
+ get_ucall(vcpu->vm, vcpu->id, &uc);
TEST_ASSERT(uc.cmd == UCALL_SYNC,
"Received ucall other than UCALL_SYNC: %lu\n", uc.cmd);
TEST_ASSERT((uc.args[1] & MSR_PLATFORM_INFO_MAX_TURBO_RATIO) ==
@@ -55,12 +54,12 @@ static void test_msr_platform_info_enabled(struct kvm_vm *vm)
MSR_PLATFORM_INFO_MAX_TURBO_RATIO);
}

-static void test_msr_platform_info_disabled(struct kvm_vm *vm)
+static void test_msr_platform_info_disabled(struct kvm_vcpu *vcpu)
{
- struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+ struct kvm_run *run = vcpu->run;

- vm_enable_cap(vm, KVM_CAP_MSR_PLATFORM_INFO, false);
- vcpu_run(vm, VCPU_ID);
+ vm_enable_cap(vcpu->vm, KVM_CAP_MSR_PLATFORM_INFO, false);
+ vcpu_run(vcpu->vm, vcpu->id);
TEST_ASSERT(run->exit_reason == KVM_EXIT_SHUTDOWN,
"Exit_reason other than KVM_EXIT_SHUTDOWN: %u (%s)\n",
run->exit_reason,
@@ -69,6 +68,7 @@ static void test_msr_platform_info_disabled(struct kvm_vm *vm)

int main(int argc, char *argv[])
{
+ struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
int rv;
uint64_t msr_platform_info;
@@ -82,14 +82,14 @@ int main(int argc, char *argv[])
exit(KSFT_SKIP);
}

- vm = vm_create_default(VCPU_ID, 0, guest_code);
+ vm = vm_create_with_one_vcpu(&vcpu, guest_code);

- msr_platform_info = vcpu_get_msr(vm, VCPU_ID, MSR_PLATFORM_INFO);
- vcpu_set_msr(vm, VCPU_ID, MSR_PLATFORM_INFO,
+ msr_platform_info = vcpu_get_msr(vm, vcpu->id, MSR_PLATFORM_INFO);
+ vcpu_set_msr(vm, vcpu->id, MSR_PLATFORM_INFO,
msr_platform_info | MSR_PLATFORM_INFO_MAX_TURBO_RATIO);
- test_msr_platform_info_enabled(vm);
- test_msr_platform_info_disabled(vm);
- vcpu_set_msr(vm, VCPU_ID, MSR_PLATFORM_INFO, msr_platform_info);
+ test_msr_platform_info_enabled(vcpu);
+ test_msr_platform_info_disabled(vcpu);
+ vcpu_set_msr(vm, vcpu->id, MSR_PLATFORM_INFO, msr_platform_info);

kvm_vm_free(vm);

--
2.36.1.255.ge46751e96f-goog