linux-kernel - [RFC PATCH 069/105] KVM: selftests: Convert xen_vmcall_test away from VCPU

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Message-Id: <20220311055056.57265-70-seanjc@google.com>
Date:   Fri, 11 Mar 2022 05:50:20 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     Sean Christopherson <seanjc@...gle.com>
Subject: [RFC PATCH 069/105] KVM: selftests: Convert xen_vmcall_test away from VCPU_ID

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 .../selftests/kvm/x86_64/xen_vmcall_test.c      | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
index adc94452b57c..6badb0c8b2f7 100644
--- a/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
+++ b/tools/testing/selftests/kvm/x86_64/xen_vmcall_test.c
@@ -11,14 +11,10 @@
 #include "kvm_util.h"
 #include "processor.h"
 
-#define VCPU_ID		5
-
 #define HCALL_REGION_GPA	0xc0000000ULL
 #define HCALL_REGION_SLOT	10
 #define PAGE_SIZE		4096
 
-static struct kvm_vm *vm;
-
 #define INPUTVALUE 17
 #define ARGVALUE(x) (0xdeadbeef5a5a0000UL + x)
 #define RETVALUE 0xcafef00dfbfbffffUL
@@ -85,14 +81,17 @@ static void guest_code(void)
 
 int main(int argc, char *argv[])
 {
+	struct kvm_vcpu *vcpu;
+	struct kvm_vm *vm;
+
 	if (!(kvm_check_cap(KVM_CAP_XEN_HVM) &
 	      KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL) ) {
 		print_skip("KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL not available");
 		exit(KSFT_SKIP);
 	}
 
-	vm = vm_create_default(VCPU_ID, 0, (void *) guest_code);
-	vcpu_set_hv_cpuid(vm, VCPU_ID);
+	vm = vm_create_with_one_vcpu(&vcpu, guest_code);
+	vcpu_set_hv_cpuid(vm, vcpu->id);
 
 	struct kvm_xen_hvm_config hvmc = {
 		.flags = KVM_XEN_HVM_CONFIG_INTERCEPT_HCALL,
@@ -106,10 +105,10 @@ int main(int argc, char *argv[])
 	virt_map(vm, HCALL_REGION_GPA, HCALL_REGION_GPA, 2);
 
 	for (;;) {
-		volatile struct kvm_run *run = vcpu_state(vm, VCPU_ID);
+		volatile struct kvm_run *run = vcpu->run;
 		struct ucall uc;
 
-		vcpu_run(vm, VCPU_ID);
+		vcpu_run(vm, vcpu->id);
 
 		if (run->exit_reason == KVM_EXIT_XEN) {
 			ASSERT_EQ(run->xen.type, KVM_EXIT_XEN_HCALL);
@@ -131,7 +130,7 @@ int main(int argc, char *argv[])
 			    run->exit_reason,
 			    exit_reason_str(run->exit_reason));
 
-		switch (get_ucall(vm, VCPU_ID, &uc)) {
+		switch (get_ucall(vm, vcpu->id, &uc)) {
 		case UCALL_ABORT:
 			TEST_FAIL("%s", (const char *)uc.args[0]);
 			/* NOT REACHED */
-- 
2.35.1.723.g4982287a31-goog