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-rw-r--r--tools/testing/selftests/kvm/arm64/arch_timer.c13
-rw-r--r--tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c13
-rw-r--r--tools/testing/selftests/kvm/arm64/external_aborts.c42
-rw-r--r--tools/testing/selftests/kvm/arm64/hello_el2.c71
-rw-r--r--tools/testing/selftests/kvm/arm64/hypercalls.c2
-rw-r--r--tools/testing/selftests/kvm/arm64/kvm-uuid.c2
-rw-r--r--tools/testing/selftests/kvm/arm64/no-vgic-v3.c2
-rw-r--r--tools/testing/selftests/kvm/arm64/psci_test.c13
-rw-r--r--tools/testing/selftests/kvm/arm64/set_id_regs.c44
-rw-r--r--tools/testing/selftests/kvm/arm64/smccc_filter.c17
-rw-r--r--tools/testing/selftests/kvm/arm64/vgic_init.c2
-rw-r--r--tools/testing/selftests/kvm/arm64/vgic_irq.c4
-rw-r--r--tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c8
-rw-r--r--tools/testing/selftests/kvm/arm64/vpmu_counter_access.c75
14 files changed, 212 insertions, 96 deletions
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer.c b/tools/testing/selftests/kvm/arm64/arch_timer.c
index eeba1cc87ff8..d592a4515399 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer.c
@@ -165,10 +165,8 @@ static void guest_code(void)
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);
+ ptimer_irq = vcpu_get_ptimer_irq(vcpus[0]);
+ vtimer_irq = vcpu_get_vtimer_irq(vcpus[0]);
sync_global_to_guest(vm, ptimer_irq);
sync_global_to_guest(vm, vtimer_irq);
@@ -176,14 +174,14 @@ static void test_init_timer_irq(struct kvm_vm *vm)
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;
+ TEST_REQUIRE(kvm_supports_vgic_v3());
+
vm = vm_create_with_vcpus(nr_vcpus, guest_code, vcpus);
vm_init_descriptor_tables(vm);
@@ -204,8 +202,6 @@ struct kvm_vm *test_vm_create(void)
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);
@@ -215,6 +211,5 @@ struct kvm_vm *test_vm_create(void)
void test_vm_cleanup(struct kvm_vm *vm)
{
- close(gic_fd);
kvm_vm_free(vm);
}
diff --git a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
index ce74d069cb7b..91906414a474 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -924,10 +924,8 @@ static void test_run(struct kvm_vm *vm, struct kvm_vcpu *vcpu)
static void test_init_timer_irq(struct kvm_vm *vm, struct kvm_vcpu *vcpu)
{
- vcpu_device_attr_get(vcpu, KVM_ARM_VCPU_TIMER_CTRL,
- KVM_ARM_VCPU_TIMER_IRQ_PTIMER, &ptimer_irq);
- vcpu_device_attr_get(vcpu, KVM_ARM_VCPU_TIMER_CTRL,
- KVM_ARM_VCPU_TIMER_IRQ_VTIMER, &vtimer_irq);
+ ptimer_irq = vcpu_get_ptimer_irq(vcpu);
+ vtimer_irq = vcpu_get_vtimer_irq(vcpu);
sync_global_to_guest(vm, ptimer_irq);
sync_global_to_guest(vm, vtimer_irq);
@@ -935,8 +933,6 @@ static void test_init_timer_irq(struct kvm_vm *vm, struct kvm_vcpu *vcpu)
pr_debug("ptimer_irq: %d; vtimer_irq: %d\n", ptimer_irq, vtimer_irq);
}
-static int gic_fd;
-
static void test_vm_create(struct kvm_vm **vm, struct kvm_vcpu **vcpu,
enum arch_timer timer)
{
@@ -951,8 +947,6 @@ static void test_vm_create(struct kvm_vm **vm, struct kvm_vcpu **vcpu,
vcpu_args_set(*vcpu, 1, timer);
test_init_timer_irq(*vm, *vcpu);
- gic_fd = vgic_v3_setup(*vm, 1, 64);
- __TEST_REQUIRE(gic_fd >= 0, "Failed to create vgic-v3");
sync_global_to_guest(*vm, test_args);
sync_global_to_guest(*vm, CVAL_MAX);
@@ -961,7 +955,6 @@ static void test_vm_create(struct kvm_vm **vm, struct kvm_vcpu **vcpu,
static void test_vm_cleanup(struct kvm_vm *vm)
{
- close(gic_fd);
kvm_vm_free(vm);
}
@@ -1042,6 +1035,8 @@ int main(int argc, char *argv[])
/* Tell stdout not to buffer its content */
setbuf(stdout, NULL);
+ TEST_REQUIRE(kvm_supports_vgic_v3());
+
if (!parse_args(argc, argv))
exit(KSFT_SKIP);
diff --git a/tools/testing/selftests/kvm/arm64/external_aborts.c b/tools/testing/selftests/kvm/arm64/external_aborts.c
index 062bf84cced1..592b26ded779 100644
--- a/tools/testing/selftests/kvm/arm64/external_aborts.c
+++ b/tools/testing/selftests/kvm/arm64/external_aborts.c
@@ -250,6 +250,47 @@ static void test_serror(void)
kvm_vm_free(vm);
}
+static void expect_sea_s1ptw_handler(struct ex_regs *regs)
+{
+ u64 esr = read_sysreg(esr_el1);
+
+ GUEST_ASSERT_EQ(regs->pc, expected_abort_pc);
+ GUEST_ASSERT_EQ(ESR_ELx_EC(esr), ESR_ELx_EC_DABT_CUR);
+ GUEST_ASSERT_EQ((esr & ESR_ELx_FSC), ESR_ELx_FSC_SEA_TTW(3));
+
+ GUEST_DONE();
+}
+
+static noinline void test_s1ptw_abort_guest(void)
+{
+ extern char test_s1ptw_abort_insn;
+
+ WRITE_ONCE(expected_abort_pc, (u64)&test_s1ptw_abort_insn);
+
+ asm volatile("test_s1ptw_abort_insn:\n\t"
+ "ldr x0, [%0]\n\t"
+ : : "r" (MMIO_ADDR) : "x0", "memory");
+
+ GUEST_FAIL("Load on S1PTW abort should not retire");
+}
+
+static void test_s1ptw_abort(void)
+{
+ struct kvm_vcpu *vcpu;
+ u64 *ptep, bad_pa;
+ struct kvm_vm *vm = vm_create_with_dabt_handler(&vcpu, test_s1ptw_abort_guest,
+ expect_sea_s1ptw_handler);
+
+ ptep = virt_get_pte_hva_at_level(vm, MMIO_ADDR, 2);
+ bad_pa = BIT(vm->pa_bits) - vm->page_size;
+
+ *ptep &= ~GENMASK(47, 12);
+ *ptep |= bad_pa;
+
+ vcpu_run_expect_done(vcpu);
+ kvm_vm_free(vm);
+}
+
static void test_serror_emulated_guest(void)
{
GUEST_ASSERT(!(read_sysreg(isr_el1) & ISR_EL1_A));
@@ -327,4 +368,5 @@ int main(void)
test_serror_masked();
test_serror_emulated();
test_mmio_ease();
+ test_s1ptw_abort();
}
diff --git a/tools/testing/selftests/kvm/arm64/hello_el2.c b/tools/testing/selftests/kvm/arm64/hello_el2.c
new file mode 100644
index 000000000000..bbe6862c6ab1
--- /dev/null
+++ b/tools/testing/selftests/kvm/arm64/hello_el2.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * hello_el2 - Basic KVM selftest for VM running at EL2 with E2H=RES1
+ *
+ * Copyright 2025 Google LLC
+ */
+#include "kvm_util.h"
+#include "processor.h"
+#include "test_util.h"
+#include "ucall.h"
+
+#include <asm/sysreg.h>
+
+static void guest_code(void)
+{
+ u64 mmfr0 = read_sysreg_s(SYS_ID_AA64MMFR0_EL1);
+ u64 mmfr1 = read_sysreg_s(SYS_ID_AA64MMFR1_EL1);
+ u64 mmfr4 = read_sysreg_s(SYS_ID_AA64MMFR4_EL1);
+ u8 e2h0 = SYS_FIELD_GET(ID_AA64MMFR4_EL1, E2H0, mmfr4);
+
+ GUEST_ASSERT_EQ(get_current_el(), 2);
+ GUEST_ASSERT(read_sysreg(hcr_el2) & HCR_EL2_E2H);
+ GUEST_ASSERT_EQ(SYS_FIELD_GET(ID_AA64MMFR1_EL1, VH, mmfr1),
+ ID_AA64MMFR1_EL1_VH_IMP);
+
+ /*
+ * Traps of the complete ID register space are IMPDEF without FEAT_FGT,
+ * which is really annoying to deal with in KVM describing E2H as RES1.
+ *
+ * If the implementation doesn't honor the trap then expect the register
+ * to return all zeros.
+ */
+ if (e2h0 == ID_AA64MMFR4_EL1_E2H0_IMP)
+ GUEST_ASSERT_EQ(SYS_FIELD_GET(ID_AA64MMFR0_EL1, FGT, mmfr0),
+ ID_AA64MMFR0_EL1_FGT_NI);
+ else
+ GUEST_ASSERT_EQ(e2h0, ID_AA64MMFR4_EL1_E2H0_NI_NV1);
+
+ GUEST_DONE();
+}
+
+int main(void)
+{
+ struct kvm_vcpu_init init;
+ struct kvm_vcpu *vcpu;
+ struct kvm_vm *vm;
+ struct ucall uc;
+
+ TEST_REQUIRE(kvm_check_cap(KVM_CAP_ARM_EL2));
+
+ vm = vm_create(1);
+
+ kvm_get_default_vcpu_target(vm, &init);
+ init.features[0] |= BIT(KVM_ARM_VCPU_HAS_EL2);
+ vcpu = aarch64_vcpu_add(vm, 0, &init, guest_code);
+ kvm_arch_vm_finalize_vcpus(vm);
+
+ vcpu_run(vcpu);
+ switch (get_ucall(vcpu, &uc)) {
+ case UCALL_DONE:
+ break;
+ case UCALL_ABORT:
+ REPORT_GUEST_ASSERT(uc);
+ break;
+ default:
+ TEST_FAIL("Unhandled ucall: %ld\n", uc.cmd);
+ }
+
+ kvm_vm_free(vm);
+ return 0;
+}
diff --git a/tools/testing/selftests/kvm/arm64/hypercalls.c b/tools/testing/selftests/kvm/arm64/hypercalls.c
index 44cfcf8a7f46..bf038a0371f4 100644
--- a/tools/testing/selftests/kvm/arm64/hypercalls.c
+++ b/tools/testing/selftests/kvm/arm64/hypercalls.c
@@ -108,7 +108,7 @@ static void guest_test_hvc(const struct test_hvc_info *hc_info)
for (i = 0; i < hvc_info_arr_sz; i++, hc_info++) {
memset(&res, 0, sizeof(res));
- smccc_hvc(hc_info->func_id, hc_info->arg1, 0, 0, 0, 0, 0, 0, &res);
+ do_smccc(hc_info->func_id, hc_info->arg1, 0, 0, 0, 0, 0, 0, &res);
switch (stage) {
case TEST_STAGE_HVC_IFACE_FEAT_DISABLED:
diff --git a/tools/testing/selftests/kvm/arm64/kvm-uuid.c b/tools/testing/selftests/kvm/arm64/kvm-uuid.c
index af9581b860f1..b5be9133535a 100644
--- a/tools/testing/selftests/kvm/arm64/kvm-uuid.c
+++ b/tools/testing/selftests/kvm/arm64/kvm-uuid.c
@@ -25,7 +25,7 @@ static void guest_code(void)
{
struct arm_smccc_res res = {};
- smccc_hvc(ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID, 0, 0, 0, 0, 0, 0, 0, &res);
+ do_smccc(ARM_SMCCC_VENDOR_HYP_CALL_UID_FUNC_ID, 0, 0, 0, 0, 0, 0, 0, &res);
__GUEST_ASSERT(res.a0 == ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_0 &&
res.a1 == ARM_SMCCC_VENDOR_HYP_UID_KVM_REG_1 &&
diff --git a/tools/testing/selftests/kvm/arm64/no-vgic-v3.c b/tools/testing/selftests/kvm/arm64/no-vgic-v3.c
index f222538e6084..152c34776981 100644
--- a/tools/testing/selftests/kvm/arm64/no-vgic-v3.c
+++ b/tools/testing/selftests/kvm/arm64/no-vgic-v3.c
@@ -163,6 +163,8 @@ int main(int argc, char *argv[])
struct kvm_vm *vm;
uint64_t pfr0;
+ test_disable_default_vgic();
+
vm = vm_create_with_one_vcpu(&vcpu, NULL);
pfr0 = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64PFR0_EL1));
__TEST_REQUIRE(FIELD_GET(ID_AA64PFR0_EL1_GIC, pfr0),
diff --git a/tools/testing/selftests/kvm/arm64/psci_test.c b/tools/testing/selftests/kvm/arm64/psci_test.c
index ab491ee9e5f7..98e49f710aef 100644
--- a/tools/testing/selftests/kvm/arm64/psci_test.c
+++ b/tools/testing/selftests/kvm/arm64/psci_test.c
@@ -27,7 +27,7 @@ static uint64_t psci_cpu_on(uint64_t target_cpu, uint64_t entry_addr,
{
struct arm_smccc_res res;
- smccc_hvc(PSCI_0_2_FN64_CPU_ON, target_cpu, entry_addr, context_id,
+ do_smccc(PSCI_0_2_FN64_CPU_ON, target_cpu, entry_addr, context_id,
0, 0, 0, 0, &res);
return res.a0;
@@ -38,7 +38,7 @@ static uint64_t psci_affinity_info(uint64_t target_affinity,
{
struct arm_smccc_res res;
- smccc_hvc(PSCI_0_2_FN64_AFFINITY_INFO, target_affinity, lowest_affinity_level,
+ do_smccc(PSCI_0_2_FN64_AFFINITY_INFO, target_affinity, lowest_affinity_level,
0, 0, 0, 0, 0, &res);
return res.a0;
@@ -48,7 +48,7 @@ static uint64_t psci_system_suspend(uint64_t entry_addr, uint64_t context_id)
{
struct arm_smccc_res res;
- smccc_hvc(PSCI_1_0_FN64_SYSTEM_SUSPEND, entry_addr, context_id,
+ do_smccc(PSCI_1_0_FN64_SYSTEM_SUSPEND, entry_addr, context_id,
0, 0, 0, 0, 0, &res);
return res.a0;
@@ -58,7 +58,7 @@ static uint64_t psci_system_off2(uint64_t type, uint64_t cookie)
{
struct arm_smccc_res res;
- smccc_hvc(PSCI_1_3_FN64_SYSTEM_OFF2, type, cookie, 0, 0, 0, 0, 0, &res);
+ do_smccc(PSCI_1_3_FN64_SYSTEM_OFF2, type, cookie, 0, 0, 0, 0, 0, &res);
return res.a0;
}
@@ -67,7 +67,7 @@ static uint64_t psci_features(uint32_t func_id)
{
struct arm_smccc_res res;
- smccc_hvc(PSCI_1_0_FN_PSCI_FEATURES, func_id, 0, 0, 0, 0, 0, 0, &res);
+ do_smccc(PSCI_1_0_FN_PSCI_FEATURES, func_id, 0, 0, 0, 0, 0, 0, &res);
return res.a0;
}
@@ -89,12 +89,13 @@ static struct kvm_vm *setup_vm(void *guest_code, struct kvm_vcpu **source,
vm = vm_create(2);
- vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init);
+ kvm_get_default_vcpu_target(vm, &init);
init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2);
*source = aarch64_vcpu_add(vm, 0, &init, guest_code);
*target = aarch64_vcpu_add(vm, 1, &init, guest_code);
+ kvm_arch_vm_finalize_vcpus(vm);
return vm;
}
diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c
index 189321e96925..8ff1e853f7f8 100644
--- a/tools/testing/selftests/kvm/arm64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c
@@ -15,8 +15,6 @@
#include "test_util.h"
#include <linux/bitfield.h>
-bool have_cap_arm_mte;
-
enum ftr_type {
FTR_EXACT, /* Use a predefined safe value */
FTR_LOWER_SAFE, /* Smaller value is safe */
@@ -125,6 +123,13 @@ static const struct reg_ftr_bits ftr_id_aa64isar2_el1[] = {
REG_FTR_END,
};
+static const struct reg_ftr_bits ftr_id_aa64isar3_el1[] = {
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FPRCVT, 0),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, LSFE, 0),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ISAR3_EL1, FAMINMAX, 0),
+ REG_FTR_END,
+};
+
static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR0_EL1, CSV3, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR0_EL1, CSV2, 0),
@@ -165,7 +170,9 @@ static const struct reg_ftr_bits ftr_id_aa64mmfr0_el1[] = {
static const struct reg_ftr_bits ftr_id_aa64mmfr1_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, TIDCP1, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, AFP, 0),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, HCX, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, ETS, 0),
+ REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, TWED, 0),
REG_FTR_BITS(FTR_HIGHER_SAFE, ID_AA64MMFR1_EL1, SpecSEI, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, PAN, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR1_EL1, LO, 0),
@@ -221,6 +228,7 @@ static struct test_feature_reg test_regs[] = {
TEST_REG(SYS_ID_AA64ISAR0_EL1, ftr_id_aa64isar0_el1),
TEST_REG(SYS_ID_AA64ISAR1_EL1, ftr_id_aa64isar1_el1),
TEST_REG(SYS_ID_AA64ISAR2_EL1, ftr_id_aa64isar2_el1),
+ TEST_REG(SYS_ID_AA64ISAR3_EL1, ftr_id_aa64isar3_el1),
TEST_REG(SYS_ID_AA64PFR0_EL1, ftr_id_aa64pfr0_el1),
TEST_REG(SYS_ID_AA64PFR1_EL1, ftr_id_aa64pfr1_el1),
TEST_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0_el1),
@@ -239,6 +247,7 @@ static void guest_code(void)
GUEST_REG_SYNC(SYS_ID_AA64ISAR0_EL1);
GUEST_REG_SYNC(SYS_ID_AA64ISAR1_EL1);
GUEST_REG_SYNC(SYS_ID_AA64ISAR2_EL1);
+ GUEST_REG_SYNC(SYS_ID_AA64ISAR3_EL1);
GUEST_REG_SYNC(SYS_ID_AA64PFR0_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR0_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR1_EL1);
@@ -568,7 +577,9 @@ static void test_user_set_mte_reg(struct kvm_vcpu *vcpu)
uint64_t mte_frac;
int idx, err;
- if (!have_cap_arm_mte) {
+ val = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64PFR1_EL1));
+ mte = FIELD_GET(ID_AA64PFR1_EL1_MTE, val);
+ if (!mte) {
ksft_test_result_skip("MTE capability not supported, nothing to test\n");
return;
}
@@ -593,9 +604,6 @@ static void test_user_set_mte_reg(struct kvm_vcpu *vcpu)
* from unsupported (0xF) to supported (0).
*
*/
- val = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64PFR1_EL1));
-
- mte = FIELD_GET(ID_AA64PFR1_EL1_MTE, val);
mte_frac = FIELD_GET(ID_AA64PFR1_EL1_MTE_frac, val);
if (mte != ID_AA64PFR1_EL1_MTE_MTE2 ||
mte_frac != ID_AA64PFR1_EL1_MTE_frac_NI) {
@@ -750,28 +758,23 @@ static void test_reset_preserves_id_regs(struct kvm_vcpu *vcpu)
ksft_test_result_pass("%s\n", __func__);
}
-void kvm_arch_vm_post_create(struct kvm_vm *vm)
-{
- if (vm_check_cap(vm, KVM_CAP_ARM_MTE)) {
- vm_enable_cap(vm, KVM_CAP_ARM_MTE, 0);
- have_cap_arm_mte = true;
- }
-}
-
int main(void)
{
struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
bool aarch64_only;
uint64_t val, el0;
- int test_cnt;
+ int test_cnt, i, j;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_ARM_SUPPORTED_REG_MASK_RANGES));
TEST_REQUIRE(kvm_has_cap(KVM_CAP_ARM_WRITABLE_IMP_ID_REGS));
+ test_wants_mte();
+
vm = vm_create(1);
vm_enable_cap(vm, KVM_CAP_ARM_WRITABLE_IMP_ID_REGS, 0);
vcpu = vm_vcpu_add(vm, 0, guest_code);
+ kvm_arch_vm_finalize_vcpus(vm);
/* Check for AARCH64 only system */
val = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64PFR0_EL1));
@@ -780,13 +783,10 @@ int main(void)
ksft_print_header();
- test_cnt = ARRAY_SIZE(ftr_id_aa64dfr0_el1) + ARRAY_SIZE(ftr_id_dfr0_el1) +
- ARRAY_SIZE(ftr_id_aa64isar0_el1) + ARRAY_SIZE(ftr_id_aa64isar1_el1) +
- ARRAY_SIZE(ftr_id_aa64isar2_el1) + ARRAY_SIZE(ftr_id_aa64pfr0_el1) +
- ARRAY_SIZE(ftr_id_aa64pfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr0_el1) +
- ARRAY_SIZE(ftr_id_aa64mmfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr2_el1) +
- ARRAY_SIZE(ftr_id_aa64mmfr3_el1) + ARRAY_SIZE(ftr_id_aa64zfr0_el1) -
- ARRAY_SIZE(test_regs) + 3 + MPAM_IDREG_TEST + MTE_IDREG_TEST;
+ test_cnt = 3 + MPAM_IDREG_TEST + MTE_IDREG_TEST;
+ for (i = 0; i < ARRAY_SIZE(test_regs); i++)
+ for (j = 0; test_regs[i].ftr_bits[j].type != FTR_END; j++)
+ test_cnt++;
ksft_set_plan(test_cnt);
diff --git a/tools/testing/selftests/kvm/arm64/smccc_filter.c b/tools/testing/selftests/kvm/arm64/smccc_filter.c
index 2d189f3da228..1763b9d45400 100644
--- a/tools/testing/selftests/kvm/arm64/smccc_filter.c
+++ b/tools/testing/selftests/kvm/arm64/smccc_filter.c
@@ -22,8 +22,20 @@ enum smccc_conduit {
SMC_INSN,
};
+static bool test_runs_at_el2(void)
+{
+ struct kvm_vm *vm = vm_create(1);
+ struct kvm_vcpu_init init;
+
+ kvm_get_default_vcpu_target(vm, &init);
+ kvm_vm_free(vm);
+
+ return init.features[0] & BIT(KVM_ARM_VCPU_HAS_EL2);
+}
+
#define for_each_conduit(conduit) \
- for (conduit = HVC_INSN; conduit <= SMC_INSN; conduit++)
+ for (conduit = test_runs_at_el2() ? SMC_INSN : HVC_INSN; \
+ conduit <= SMC_INSN; conduit++)
static void guest_main(uint32_t func_id, enum smccc_conduit conduit)
{
@@ -64,7 +76,7 @@ static struct kvm_vm *setup_vm(struct kvm_vcpu **vcpu)
struct kvm_vm *vm;
vm = vm_create(1);
- vm_ioctl(vm, KVM_ARM_PREFERRED_TARGET, &init);
+ kvm_get_default_vcpu_target(vm, &init);
/*
* Enable in-kernel emulation of PSCI to ensure that calls are denied
@@ -73,6 +85,7 @@ static struct kvm_vm *setup_vm(struct kvm_vcpu **vcpu)
init.features[0] |= (1 << KVM_ARM_VCPU_PSCI_0_2);
*vcpu = aarch64_vcpu_add(vm, 0, &init, guest_main);
+ kvm_arch_vm_finalize_vcpus(vm);
return vm;
}
diff --git a/tools/testing/selftests/kvm/arm64/vgic_init.c b/tools/testing/selftests/kvm/arm64/vgic_init.c
index a8e0f46bc0ab..8d6d3a4ae4db 100644
--- a/tools/testing/selftests/kvm/arm64/vgic_init.c
+++ b/tools/testing/selftests/kvm/arm64/vgic_init.c
@@ -994,6 +994,8 @@ int main(int ac, char **av)
int pa_bits;
int cnt_impl = 0;
+ test_disable_default_vgic();
+
pa_bits = vm_guest_mode_params[VM_MODE_DEFAULT].pa_bits;
max_phys_size = 1ULL << pa_bits;
diff --git a/tools/testing/selftests/kvm/arm64/vgic_irq.c b/tools/testing/selftests/kvm/arm64/vgic_irq.c
index a09dd423c2d7..6338f5bbdb70 100644
--- a/tools/testing/selftests/kvm/arm64/vgic_irq.c
+++ b/tools/testing/selftests/kvm/arm64/vgic_irq.c
@@ -752,7 +752,6 @@ static void test_vgic(uint32_t nr_irqs, bool level_sensitive, bool eoi_split)
vcpu_args_set(vcpu, 1, args_gva);
gic_fd = vgic_v3_setup(vm, 1, nr_irqs);
- __TEST_REQUIRE(gic_fd >= 0, "Failed to create vgic-v3, skipping");
vm_install_exception_handler(vm, VECTOR_IRQ_CURRENT,
guest_irq_handlers[args.eoi_split][args.level_sensitive]);
@@ -802,6 +801,9 @@ int main(int argc, char **argv)
int opt;
bool eoi_split = false;
+ TEST_REQUIRE(kvm_supports_vgic_v3());
+ test_disable_default_vgic();
+
while ((opt = getopt(argc, argv, "hn:e:l:")) != -1) {
switch (opt) {
case 'n':
diff --git a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
index fc4fe52fb6f8..87922a89b134 100644
--- a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
+++ b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
@@ -27,7 +27,7 @@ static vm_paddr_t gpa_base;
static struct kvm_vm *vm;
static struct kvm_vcpu **vcpus;
-static int gic_fd, its_fd;
+static int its_fd;
static struct test_data {
bool request_vcpus_stop;
@@ -214,9 +214,6 @@ static void setup_test_data(void)
static void setup_gic(void)
{
- gic_fd = vgic_v3_setup(vm, test_data.nr_cpus, 64);
- __TEST_REQUIRE(gic_fd >= 0, "Failed to create GICv3");
-
its_fd = vgic_its_setup(vm);
}
@@ -355,7 +352,6 @@ static void setup_vm(void)
static void destroy_vm(void)
{
close(its_fd);
- close(gic_fd);
kvm_vm_free(vm);
free(vcpus);
}
@@ -374,6 +370,8 @@ int main(int argc, char **argv)
u32 nr_threads;
int c;
+ TEST_REQUIRE(kvm_supports_vgic_v3());
+
while ((c = getopt(argc, argv, "hv:d:e:i:")) != -1) {
switch (c) {
case 'v':
diff --git a/tools/testing/selftests/kvm/arm64/vpmu_counter_access.c b/tools/testing/selftests/kvm/arm64/vpmu_counter_access.c
index a0c4ab839155..ae36325c022f 100644
--- a/tools/testing/selftests/kvm/arm64/vpmu_counter_access.c
+++ b/tools/testing/selftests/kvm/arm64/vpmu_counter_access.c
@@ -28,7 +28,6 @@
struct vpmu_vm {
struct kvm_vm *vm;
struct kvm_vcpu *vcpu;
- int gic_fd;
};
static struct vpmu_vm vpmu_vm;
@@ -45,11 +44,6 @@ static uint64_t get_pmcr_n(uint64_t pmcr)
return FIELD_GET(ARMV8_PMU_PMCR_N, pmcr);
}
-static void set_pmcr_n(uint64_t *pmcr, uint64_t pmcr_n)
-{
- u64p_replace_bits((__u64 *) pmcr, pmcr_n, ARMV8_PMU_PMCR_N);
-}
-
static uint64_t get_counters_mask(uint64_t n)
{
uint64_t mask = BIT(ARMV8_PMU_CYCLE_IDX);
@@ -415,10 +409,6 @@ static void create_vpmu_vm(void *guest_code)
.attr = KVM_ARM_VCPU_PMU_V3_IRQ,
.addr = (uint64_t)&irq,
};
- struct kvm_device_attr init_attr = {
- .group = KVM_ARM_VCPU_PMU_V3_CTRL,
- .attr = KVM_ARM_VCPU_PMU_V3_INIT,
- };
/* The test creates the vpmu_vm multiple times. Ensure a clean state */
memset(&vpmu_vm, 0, sizeof(vpmu_vm));
@@ -431,13 +421,12 @@ static void create_vpmu_vm(void *guest_code)
}
/* Create vCPU with PMUv3 */
- vm_ioctl(vpmu_vm.vm, KVM_ARM_PREFERRED_TARGET, &init);
+ kvm_get_default_vcpu_target(vpmu_vm.vm, &init);
init.features[0] |= (1 << KVM_ARM_VCPU_PMU_V3);
vpmu_vm.vcpu = aarch64_vcpu_add(vpmu_vm.vm, 0, &init, guest_code);
vcpu_init_descriptor_tables(vpmu_vm.vcpu);
- vpmu_vm.gic_fd = vgic_v3_setup(vpmu_vm.vm, 1, 64);
- __TEST_REQUIRE(vpmu_vm.gic_fd >= 0,
- "Failed to create vgic-v3, skipping");
+
+ kvm_arch_vm_finalize_vcpus(vpmu_vm.vm);
/* Make sure that PMUv3 support is indicated in the ID register */
dfr0 = vcpu_get_reg(vpmu_vm.vcpu, KVM_ARM64_SYS_REG(SYS_ID_AA64DFR0_EL1));
@@ -446,14 +435,11 @@ static void create_vpmu_vm(void *guest_code)
pmuver >= ID_AA64DFR0_EL1_PMUVer_IMP,
"Unexpected PMUVER (0x%x) on the vCPU with PMUv3", pmuver);
- /* Initialize vPMU */
vcpu_ioctl(vpmu_vm.vcpu, KVM_SET_DEVICE_ATTR, &irq_attr);
- vcpu_ioctl(vpmu_vm.vcpu, KVM_SET_DEVICE_ATTR, &init_attr);
}
static void destroy_vpmu_vm(void)
{
- close(vpmu_vm.gic_fd);
kvm_vm_free(vpmu_vm.vm);
}
@@ -475,33 +461,28 @@ static void run_vcpu(struct kvm_vcpu *vcpu, uint64_t pmcr_n)
}
}
-static void test_create_vpmu_vm_with_pmcr_n(uint64_t pmcr_n, bool expect_fail)
+static void test_create_vpmu_vm_with_nr_counters(unsigned int nr_counters, bool expect_fail)
{
struct kvm_vcpu *vcpu;
- uint64_t pmcr, pmcr_orig;
+ unsigned int prev;
+ int ret;
create_vpmu_vm(guest_code);
vcpu = vpmu_vm.vcpu;
- pmcr_orig = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_PMCR_EL0));
- pmcr = pmcr_orig;
+ prev = get_pmcr_n(vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_PMCR_EL0)));
- /*
- * Setting a larger value of PMCR.N should not modify the field, and
- * return a success.
- */
- set_pmcr_n(&pmcr, pmcr_n);
- vcpu_set_reg(vcpu, KVM_ARM64_SYS_REG(SYS_PMCR_EL0), pmcr);
- pmcr = vcpu_get_reg(vcpu, KVM_ARM64_SYS_REG(SYS_PMCR_EL0));
+ ret = __vcpu_device_attr_set(vcpu, KVM_ARM_VCPU_PMU_V3_CTRL,
+ KVM_ARM_VCPU_PMU_V3_SET_NR_COUNTERS, &nr_counters);
if (expect_fail)
- TEST_ASSERT(pmcr_orig == pmcr,
- "PMCR.N modified by KVM to a larger value (PMCR: 0x%lx) for pmcr_n: 0x%lx",
- pmcr, pmcr_n);
+ TEST_ASSERT(ret && errno == EINVAL,
+ "Setting more PMU counters (%u) than available (%u) unexpectedly succeeded",
+ nr_counters, prev);
else
- TEST_ASSERT(pmcr_n == get_pmcr_n(pmcr),
- "Failed to update PMCR.N to %lu (received: %lu)",
- pmcr_n, get_pmcr_n(pmcr));
+ TEST_ASSERT(!ret, KVM_IOCTL_ERROR(KVM_SET_DEVICE_ATTR, ret));
+
+ vcpu_device_attr_set(vcpu, KVM_ARM_VCPU_PMU_V3_CTRL, KVM_ARM_VCPU_PMU_V3_INIT, NULL);
}
/*
@@ -516,11 +497,11 @@ static void run_access_test(uint64_t pmcr_n)
pr_debug("Test with pmcr_n %lu\n", pmcr_n);
- test_create_vpmu_vm_with_pmcr_n(pmcr_n, false);
+ test_create_vpmu_vm_with_nr_counters(pmcr_n, false);
vcpu = vpmu_vm.vcpu;
/* Save the initial sp to restore them later to run the guest again */
- sp = vcpu_get_reg(vcpu, ARM64_CORE_REG(sp_el1));
+ sp = vcpu_get_reg(vcpu, ctxt_reg_alias(vcpu, SYS_SP_EL1));
run_vcpu(vcpu, pmcr_n);
@@ -528,11 +509,11 @@ static void run_access_test(uint64_t pmcr_n)
* Reset and re-initialize the vCPU, and run the guest code again to
* check if PMCR_EL0.N is preserved.
*/
- vm_ioctl(vpmu_vm.vm, KVM_ARM_PREFERRED_TARGET, &init);
+ kvm_get_default_vcpu_target(vpmu_vm.vm, &init);
init.features[0] |= (1 << KVM_ARM_VCPU_PMU_V3);
aarch64_vcpu_setup(vcpu, &init);
vcpu_init_descriptor_tables(vcpu);
- vcpu_set_reg(vcpu, ARM64_CORE_REG(sp_el1), sp);
+ vcpu_set_reg(vcpu, ctxt_reg_alias(vcpu, SYS_SP_EL1), sp);
vcpu_set_reg(vcpu, ARM64_CORE_REG(regs.pc), (uint64_t)guest_code);
run_vcpu(vcpu, pmcr_n);
@@ -557,7 +538,7 @@ static void run_pmregs_validity_test(uint64_t pmcr_n)
uint64_t set_reg_id, clr_reg_id, reg_val;
uint64_t valid_counters_mask, max_counters_mask;
- test_create_vpmu_vm_with_pmcr_n(pmcr_n, false);
+ test_create_vpmu_vm_with_nr_counters(pmcr_n, false);
vcpu = vpmu_vm.vcpu;
valid_counters_mask = get_counters_mask(pmcr_n);
@@ -611,7 +592,7 @@ static void run_error_test(uint64_t pmcr_n)
{
pr_debug("Error test with pmcr_n %lu (larger than the host)\n", pmcr_n);
- test_create_vpmu_vm_with_pmcr_n(pmcr_n, true);
+ test_create_vpmu_vm_with_nr_counters(pmcr_n, true);
destroy_vpmu_vm();
}
@@ -629,11 +610,25 @@ static uint64_t get_pmcr_n_limit(void)
return get_pmcr_n(pmcr);
}
+static bool kvm_supports_nr_counters_attr(void)
+{
+ bool supported;
+
+ create_vpmu_vm(NULL);
+ supported = !__vcpu_has_device_attr(vpmu_vm.vcpu, KVM_ARM_VCPU_PMU_V3_CTRL,
+ KVM_ARM_VCPU_PMU_V3_SET_NR_COUNTERS);
+ destroy_vpmu_vm();
+
+ return supported;
+}
+
int main(void)
{
uint64_t i, pmcr_n;
TEST_REQUIRE(kvm_has_cap(KVM_CAP_ARM_PMU_V3));
+ TEST_REQUIRE(kvm_supports_vgic_v3());
+ TEST_REQUIRE(kvm_supports_nr_counters_attr());
pmcr_n = get_pmcr_n_limit();
for (i = 0; i <= pmcr_n; i++) {