1 files changed, 0 insertions, 220 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
deleted file mode 100644
index eeba1cc87ff8..000000000000
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ /dev/null
@@ -1,220 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * The test validates both the virtual and physical timer IRQs using
- * CVAL and TVAL registers.
- *
- * Copyright (c) 2021, Google LLC.
- */
-#include "arch_timer.h"
-#include "delay.h"
-#include "gic.h"
-#include "processor.h"
-#include "timer_test.h"
-#include "ucall_common.h"
-#include "vgic.h"
-
-enum guest_stage {
-	GUEST_STAGE_VTIMER_CVAL = 1,
-	GUEST_STAGE_VTIMER_TVAL,
-	GUEST_STAGE_PTIMER_CVAL,
-	GUEST_STAGE_PTIMER_TVAL,
-	GUEST_STAGE_MAX,
-};
-
-static int vtimer_irq, ptimer_irq;
-
-static void
-guest_configure_timer_action(struct test_vcpu_shared_data *shared_data)
-{
-	switch (shared_data->guest_stage) {
-	case GUEST_STAGE_VTIMER_CVAL:
-		timer_set_next_cval_ms(VIRTUAL, test_args.timer_period_ms);
-		shared_data->xcnt = timer_get_cntct(VIRTUAL);
-		timer_set_ctl(VIRTUAL, CTL_ENABLE);
-		break;
-	case GUEST_STAGE_VTIMER_TVAL:
-		timer_set_next_tval_ms(VIRTUAL, test_args.timer_period_ms);
-		shared_data->xcnt = timer_get_cntct(VIRTUAL);
-		timer_set_ctl(VIRTUAL, CTL_ENABLE);
-		break;
-	case GUEST_STAGE_PTIMER_CVAL:
-		timer_set_next_cval_ms(PHYSICAL, test_args.timer_period_ms);
-		shared_data->xcnt = timer_get_cntct(PHYSICAL);
-		timer_set_ctl(PHYSICAL, CTL_ENABLE);
-		break;
-	case GUEST_STAGE_PTIMER_TVAL:
-		timer_set_next_tval_ms(PHYSICAL, test_args.timer_period_ms);
-		shared_data->xcnt = timer_get_cntct(PHYSICAL);
-		timer_set_ctl(PHYSICAL, CTL_ENABLE);
-		break;
-	default:
-		GUEST_ASSERT(0);
-	}
-}
-
-static void guest_validate_irq(unsigned int intid,
-				struct test_vcpu_shared_data *shared_data)
-{
-	enum guest_stage stage = shared_data->guest_stage;
-	uint64_t xcnt = 0, xcnt_diff_us, cval = 0;
-	unsigned long xctl = 0;
-	unsigned int timer_irq = 0;
-	unsigned int accessor;
-
-	if (intid == IAR_SPURIOUS)
-		return;
-
-	switch (stage) {
-	case GUEST_STAGE_VTIMER_CVAL:
-	case GUEST_STAGE_VTIMER_TVAL:
-		accessor = VIRTUAL;
-		timer_irq = vtimer_irq;
-		break;
-	case GUEST_STAGE_PTIMER_CVAL:
-	case GUEST_STAGE_PTIMER_TVAL:
-		accessor = PHYSICAL;
-		timer_irq = ptimer_irq;
-		break;
-	default:
-		GUEST_ASSERT(0);
-		return;
-	}
-
-	xctl = timer_get_ctl(accessor);
-	if ((xctl & CTL_IMASK) || !(xctl & CTL_ENABLE))
-		return;
-
-	timer_set_ctl(accessor, CTL_IMASK);
-	xcnt = timer_get_cntct(accessor);
-	cval = timer_get_cval(accessor);
-
-	xcnt_diff_us = cycles_to_usec(xcnt - shared_data->xcnt);
-
-	/* Make sure we are dealing with the correct timer IRQ */
-	GUEST_ASSERT_EQ(intid, timer_irq);
-
-	/* Basic 'timer condition met' check */
-	__GUEST_ASSERT(xcnt >= cval,
-		       "xcnt = 0x%lx, cval = 0x%lx, xcnt_diff_us = 0x%lx",
-		       xcnt, cval, xcnt_diff_us);
-	__GUEST_ASSERT(xctl & CTL_ISTATUS, "xctl = 0x%lx", xctl);
-
-	WRITE_ONCE(shared_data->nr_iter, shared_data->nr_iter + 1);
-}
-
-static void guest_irq_handler(struct ex_regs *regs)
-{
-	unsigned int intid = gic_get_and_ack_irq();
-	uint32_t cpu = guest_get_vcpuid();
-	struct test_vcpu_shared_data *shared_data = &vcpu_shared_data[cpu];
-
-	guest_validate_irq(intid, shared_data);
-
-	gic_set_eoi(intid);
-}
-
-static void guest_run_stage(struct test_vcpu_shared_data *shared_data,
-				enum guest_stage stage)
-{
-	uint32_t irq_iter, config_iter;
-
-	shared_data->guest_stage = stage;
-	shared_data->nr_iter = 0;
-
-	for (config_iter = 0; config_iter < test_args.nr_iter; config_iter++) {
-		/* Setup the next interrupt */
-		guest_configure_timer_action(shared_data);
-
-		/* Setup a timeout for the interrupt to arrive */
-		udelay(msecs_to_usecs(test_args.timer_period_ms) +
-			test_args.timer_err_margin_us);
-
-		irq_iter = READ_ONCE(shared_data->nr_iter);
-		__GUEST_ASSERT(config_iter + 1 == irq_iter,
-				"config_iter + 1 = 0x%x, irq_iter = 0x%x.\n"
-				"  Guest timer interrupt was not triggered within the specified\n"
-				"  interval, try to increase the error margin by [-e] option.\n",
-				config_iter + 1, irq_iter);
-	}
-}
-
-static void guest_code(void)
-{
-	uint32_t cpu = guest_get_vcpuid();
-	struct test_vcpu_shared_data *shared_data = &vcpu_shared_data[cpu];
-
-	local_irq_disable();
-
-	gic_init(GIC_V3, test_args.nr_vcpus);
-
-	timer_set_ctl(VIRTUAL, CTL_IMASK);
-	timer_set_ctl(PHYSICAL, CTL_IMASK);
-
-	gic_irq_enable(vtimer_irq);
-	gic_irq_enable(ptimer_irq);
-	local_irq_enable();
-
-	guest_run_stage(shared_data, GUEST_STAGE_VTIMER_CVAL);
-	guest_run_stage(shared_data, GUEST_STAGE_VTIMER_TVAL);
-	guest_run_stage(shared_data, GUEST_STAGE_PTIMER_CVAL);
-	guest_run_stage(shared_data, GUEST_STAGE_PTIMER_TVAL);
-
-	GUEST_DONE();
-}
-
-static void test_init_timer_irq(struct kvm_vm *vm)
-{
-	/* Timer initid should be same for all the vCPUs, so query only vCPU-0 */
-	vcpu_device_attr_get(vcpus[0], KVM_ARM_VCPU_TIMER_CTRL,
-			     KVM_ARM_VCPU_TIMER_IRQ_PTIMER, &ptimer_irq);
-	vcpu_device_attr_get(vcpus[0], KVM_ARM_VCPU_TIMER_CTRL,
-			     KVM_ARM_VCPU_TIMER_IRQ_VTIMER, &vtimer_irq);
-
-	sync_global_to_guest(vm, ptimer_irq);
-	sync_global_to_guest(vm, vtimer_irq);
-
-	pr_debug("ptimer_irq: %d; vtimer_irq: %d\n", ptimer_irq, vtimer_irq);
-}
-
-static int gic_fd;
-
-struct kvm_vm *test_vm_create(void)
-{
-	struct kvm_vm *vm;
-	unsigned int i;
-	int nr_vcpus = test_args.nr_vcpus;
-
-	vm = vm_create_with_vcpus(nr_vcpus, guest_code, vcpus);
-
-	vm_init_descriptor_tables(vm);
-	vm_install_exception_handler(vm, VECTOR_IRQ_CURRENT, guest_irq_handler);
-
-	if (!test_args.reserved) {
-		if (kvm_has_cap(KVM_CAP_COUNTER_OFFSET)) {
-			struct kvm_arm_counter_offset offset = {
-				.counter_offset = test_args.counter_offset,
-				.reserved = 0,
-			};
-			vm_ioctl(vm, KVM_ARM_SET_COUNTER_OFFSET, &offset);
-		} else
-			TEST_FAIL("no support for global offset");
-	}
-
-	for (i = 0; i < nr_vcpus; i++)
-		vcpu_init_descriptor_tables(vcpus[i]);
-
-	test_init_timer_irq(vm);
-	gic_fd = vgic_v3_setup(vm, nr_vcpus, 64);
-	__TEST_REQUIRE(gic_fd >= 0, "Failed to create vgic-v3");
-
-	/* Make all the test's cmdline args visible to the guest */
-	sync_global_to_guest(vm, test_args);
-
-	return vm;
-}
-
-void test_vm_cleanup(struct kvm_vm *vm)
-{
-	close(gic_fd);
-	kvm_vm_free(vm);
-}