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-rw-r--r--tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c2
-rw-r--r--tools/testing/selftests/kvm/arm64/external_aborts.c43
-rw-r--r--tools/testing/selftests/kvm/arm64/get-reg-list.c99
-rw-r--r--tools/testing/selftests/kvm/arm64/set_id_regs.c3
-rw-r--r--tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c3
-rw-r--r--tools/testing/selftests/kvm/include/arm64/processor.h12
-rw-r--r--tools/testing/selftests/kvm/include/kvm_util.h2
-rw-r--r--tools/testing/selftests/kvm/irqfd_test.c14
-rw-r--r--tools/testing/selftests/kvm/lib/arm64/processor.c5
-rw-r--r--tools/testing/selftests/kvm/lib/kvm_util.c5
-rw-r--r--tools/testing/selftests/kvm/lib/s390/processor.c5
-rw-r--r--tools/testing/selftests/kvm/lib/x86/processor.c5
12 files changed, 189 insertions, 9 deletions
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 91906414a474..993c9e38e729 100644
--- a/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
+++ b/tools/testing/selftests/kvm/arm64/arch_timer_edge_cases.c
@@ -1020,7 +1020,7 @@ static void set_counter_defaults(void)
{
const uint64_t MIN_ROLLOVER_SECS = 40ULL * 365 * 24 * 3600;
uint64_t freq = read_sysreg(CNTFRQ_EL0);
- uint64_t width = ilog2(MIN_ROLLOVER_SECS * freq);
+ int width = ilog2(MIN_ROLLOVER_SECS * freq);
width = clamp(width, 56, 64);
CVAL_MAX = GENMASK_ULL(width - 1, 0);
diff --git a/tools/testing/selftests/kvm/arm64/external_aborts.c b/tools/testing/selftests/kvm/arm64/external_aborts.c
index 592b26ded779..d8fe17a6cc59 100644
--- a/tools/testing/selftests/kvm/arm64/external_aborts.c
+++ b/tools/testing/selftests/kvm/arm64/external_aborts.c
@@ -359,6 +359,44 @@ static void test_mmio_ease(void)
kvm_vm_free(vm);
}
+static void test_serror_amo_guest(void)
+{
+ /*
+ * The ISB is entirely unnecessary (and highlights how FEAT_NV2 is borked)
+ * since the write is redirected to memory. But don't write (intentionally)
+ * broken code!
+ */
+ sysreg_clear_set(hcr_el2, HCR_EL2_AMO | HCR_EL2_TGE, 0);
+ isb();
+
+ GUEST_SYNC(0);
+ GUEST_ASSERT(read_sysreg(isr_el1) & ISR_EL1_A);
+
+ /*
+ * KVM treats the effective value of AMO as 1 when
+ * HCR_EL2.{E2H,TGE} = {1, 0}, meaning the SError will be taken when
+ * unmasked.
+ */
+ local_serror_enable();
+ isb();
+ local_serror_disable();
+
+ GUEST_FAIL("Should've taken pending SError exception");
+}
+
+static void test_serror_amo(void)
+{
+ struct kvm_vcpu *vcpu;
+ struct kvm_vm *vm = vm_create_with_dabt_handler(&vcpu, test_serror_amo_guest,
+ unexpected_dabt_handler);
+
+ vm_install_exception_handler(vm, VECTOR_ERROR_CURRENT, expect_serror_handler);
+ vcpu_run_expect_sync(vcpu);
+ vcpu_inject_serror(vcpu);
+ vcpu_run_expect_done(vcpu);
+ kvm_vm_free(vm);
+}
+
int main(void)
{
test_mmio_abort();
@@ -369,4 +407,9 @@ int main(void)
test_serror_emulated();
test_mmio_ease();
test_s1ptw_abort();
+
+ if (!test_supports_el2())
+ return 0;
+
+ test_serror_amo();
}
diff --git a/tools/testing/selftests/kvm/arm64/get-reg-list.c b/tools/testing/selftests/kvm/arm64/get-reg-list.c
index 011fad95dd02..c9b84eeaab6b 100644
--- a/tools/testing/selftests/kvm/arm64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/arm64/get-reg-list.c
@@ -65,6 +65,9 @@ static struct feature_id_reg feat_id_regs[] = {
REG_FEAT(SCTLR2_EL1, ID_AA64MMFR3_EL1, SCTLRX, IMP),
REG_FEAT(VDISR_EL2, ID_AA64PFR0_EL1, RAS, IMP),
REG_FEAT(VSESR_EL2, ID_AA64PFR0_EL1, RAS, IMP),
+ REG_FEAT(VNCR_EL2, ID_AA64MMFR4_EL1, NV_frac, NV2_ONLY),
+ REG_FEAT(CNTHV_CTL_EL2, ID_AA64MMFR1_EL1, VH, IMP),
+ REG_FEAT(CNTHV_CVAL_EL2,ID_AA64MMFR1_EL1, VH, IMP),
};
bool filter_reg(__u64 reg)
@@ -345,9 +348,20 @@ static __u64 base_regs[] = {
KVM_REG_ARM_FW_FEAT_BMAP_REG(1), /* KVM_REG_ARM_STD_HYP_BMAP */
KVM_REG_ARM_FW_FEAT_BMAP_REG(2), /* KVM_REG_ARM_VENDOR_HYP_BMAP */
KVM_REG_ARM_FW_FEAT_BMAP_REG(3), /* KVM_REG_ARM_VENDOR_HYP_BMAP_2 */
- ARM64_SYS_REG(3, 3, 14, 3, 1), /* CNTV_CTL_EL0 */
- ARM64_SYS_REG(3, 3, 14, 3, 2), /* CNTV_CVAL_EL0 */
- ARM64_SYS_REG(3, 3, 14, 0, 2),
+
+ /*
+ * EL0 Virtual Timer Registers
+ *
+ * WARNING:
+ * KVM_REG_ARM_TIMER_CVAL and KVM_REG_ARM_TIMER_CNT are not defined
+ * with the appropriate register encodings. Their values have been
+ * accidentally swapped. As this is set API, the definitions here
+ * must be used, rather than ones derived from the encodings.
+ */
+ KVM_ARM64_SYS_REG(SYS_CNTV_CTL_EL0),
+ KVM_REG_ARM_TIMER_CVAL,
+ KVM_REG_ARM_TIMER_CNT,
+
ARM64_SYS_REG(3, 0, 0, 0, 0), /* MIDR_EL1 */
ARM64_SYS_REG(3, 0, 0, 0, 6), /* REVIDR_EL1 */
ARM64_SYS_REG(3, 1, 0, 0, 1), /* CLIDR_EL1 */
@@ -755,6 +769,10 @@ static __u64 el2_regs[] = {
SYS_REG(VSESR_EL2),
};
+static __u64 el2_e2h0_regs[] = {
+ /* Empty */
+};
+
#define BASE_SUBLIST \
{ "base", .regs = base_regs, .regs_n = ARRAY_SIZE(base_regs), }
#define VREGS_SUBLIST \
@@ -789,6 +807,15 @@ static __u64 el2_regs[] = {
.regs = el2_regs, \
.regs_n = ARRAY_SIZE(el2_regs), \
}
+#define EL2_E2H0_SUBLIST \
+ EL2_SUBLIST, \
+ { \
+ .name = "EL2 E2H0", \
+ .capability = KVM_CAP_ARM_EL2_E2H0, \
+ .feature = KVM_ARM_VCPU_HAS_EL2_E2H0, \
+ .regs = el2_e2h0_regs, \
+ .regs_n = ARRAY_SIZE(el2_e2h0_regs), \
+ }
static struct vcpu_reg_list vregs_config = {
.sublists = {
@@ -897,6 +924,65 @@ static struct vcpu_reg_list el2_pauth_pmu_config = {
},
};
+static struct vcpu_reg_list el2_e2h0_vregs_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ VREGS_SUBLIST,
+ {0},
+ },
+};
+
+static struct vcpu_reg_list el2_e2h0_vregs_pmu_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ VREGS_SUBLIST,
+ PMU_SUBLIST,
+ {0},
+ },
+};
+
+static struct vcpu_reg_list el2_e2h0_sve_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ SVE_SUBLIST,
+ {0},
+ },
+};
+
+static struct vcpu_reg_list el2_e2h0_sve_pmu_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ SVE_SUBLIST,
+ PMU_SUBLIST,
+ {0},
+ },
+};
+
+static struct vcpu_reg_list el2_e2h0_pauth_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ VREGS_SUBLIST,
+ PAUTH_SUBLIST,
+ {0},
+ },
+};
+
+static struct vcpu_reg_list el2_e2h0_pauth_pmu_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ EL2_E2H0_SUBLIST,
+ VREGS_SUBLIST,
+ PAUTH_SUBLIST,
+ PMU_SUBLIST,
+ {0},
+ },
+};
+
struct vcpu_reg_list *vcpu_configs[] = {
&vregs_config,
&vregs_pmu_config,
@@ -911,5 +997,12 @@ struct vcpu_reg_list *vcpu_configs[] = {
&el2_sve_pmu_config,
&el2_pauth_config,
&el2_pauth_pmu_config,
+
+ &el2_e2h0_vregs_config,
+ &el2_e2h0_vregs_pmu_config,
+ &el2_e2h0_sve_config,
+ &el2_e2h0_sve_pmu_config,
+ &el2_e2h0_pauth_config,
+ &el2_e2h0_pauth_pmu_config,
};
int vcpu_configs_n = ARRAY_SIZE(vcpu_configs);
diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c
index 8ff1e853f7f8..5e24f77868b5 100644
--- a/tools/testing/selftests/kvm/arm64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c
@@ -249,11 +249,14 @@ static void guest_code(void)
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_AA64PFR1_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR0_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR1_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR2_EL1);
GUEST_REG_SYNC(SYS_ID_AA64MMFR3_EL1);
GUEST_REG_SYNC(SYS_ID_AA64ZFR0_EL1);
+ GUEST_REG_SYNC(SYS_MPIDR_EL1);
+ GUEST_REG_SYNC(SYS_CLIDR_EL1);
GUEST_REG_SYNC(SYS_CTR_EL0);
GUEST_REG_SYNC(SYS_MIDR_EL1);
GUEST_REG_SYNC(SYS_REVIDR_EL1);
diff --git a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
index 87922a89b134..687d04463983 100644
--- a/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
+++ b/tools/testing/selftests/kvm/arm64/vgic_lpi_stress.c
@@ -123,6 +123,7 @@ static void guest_setup_gic(void)
static void guest_code(size_t nr_lpis)
{
guest_setup_gic();
+ local_irq_enable();
GUEST_SYNC(0);
@@ -331,7 +332,7 @@ static void setup_vm(void)
{
int i;
- vcpus = malloc(test_data.nr_cpus * sizeof(struct kvm_vcpu));
+ vcpus = malloc(test_data.nr_cpus * sizeof(struct kvm_vcpu *));
TEST_ASSERT(vcpus, "Failed to allocate vCPU array");
vm = vm_create_with_vcpus(test_data.nr_cpus, guest_code, vcpus);
diff --git a/tools/testing/selftests/kvm/include/arm64/processor.h b/tools/testing/selftests/kvm/include/arm64/processor.h
index 6f481475c135..ff928716574d 100644
--- a/tools/testing/selftests/kvm/include/arm64/processor.h
+++ b/tools/testing/selftests/kvm/include/arm64/processor.h
@@ -305,7 +305,17 @@ void test_wants_mte(void);
void test_disable_default_vgic(void);
bool vm_supports_el2(struct kvm_vm *vm);
-static bool vcpu_has_el2(struct kvm_vcpu *vcpu)
+
+static inline bool test_supports_el2(void)
+{
+ struct kvm_vm *vm = vm_create(1);
+ bool supported = vm_supports_el2(vm);
+
+ kvm_vm_free(vm);
+ return supported;
+}
+
+static inline bool vcpu_has_el2(struct kvm_vcpu *vcpu)
{
return vcpu->init.features[0] & BIT(KVM_ARM_VCPU_HAS_EL2);
}
diff --git a/tools/testing/selftests/kvm/include/kvm_util.h b/tools/testing/selftests/kvm/include/kvm_util.h
index 26cc30290e76..112d3f443a17 100644
--- a/tools/testing/selftests/kvm/include/kvm_util.h
+++ b/tools/testing/selftests/kvm/include/kvm_util.h
@@ -1273,4 +1273,6 @@ bool vm_is_gpa_protected(struct kvm_vm *vm, vm_paddr_t paddr);
uint32_t guest_get_vcpuid(void);
+bool kvm_arch_has_default_irqchip(void);
+
#endif /* SELFTEST_KVM_UTIL_H */
diff --git a/tools/testing/selftests/kvm/irqfd_test.c b/tools/testing/selftests/kvm/irqfd_test.c
index 7c301b4c7005..5d7590d01868 100644
--- a/tools/testing/selftests/kvm/irqfd_test.c
+++ b/tools/testing/selftests/kvm/irqfd_test.c
@@ -89,11 +89,19 @@ static void juggle_eventfd_primary(struct kvm_vm *vm, int eventfd)
int main(int argc, char *argv[])
{
pthread_t racing_thread;
+ struct kvm_vcpu *unused;
int r, i;
- /* Create "full" VMs, as KVM_IRQFD requires an in-kernel IRQ chip. */
- vm1 = vm_create(1);
- vm2 = vm_create(1);
+ TEST_REQUIRE(kvm_arch_has_default_irqchip());
+
+ /*
+ * Create "full" VMs, as KVM_IRQFD requires an in-kernel IRQ chip. Also
+ * create an unused vCPU as certain architectures (like arm64) need to
+ * complete IRQ chip initialization after all possible vCPUs for a VM
+ * have been created.
+ */
+ vm1 = vm_create_with_one_vcpu(&unused, NULL);
+ vm2 = vm_create_with_one_vcpu(&unused, NULL);
WRITE_ONCE(__eventfd, kvm_new_eventfd());
diff --git a/tools/testing/selftests/kvm/lib/arm64/processor.c b/tools/testing/selftests/kvm/lib/arm64/processor.c
index 369a4c87dd8f..54f6d17c78f7 100644
--- a/tools/testing/selftests/kvm/lib/arm64/processor.c
+++ b/tools/testing/selftests/kvm/lib/arm64/processor.c
@@ -725,3 +725,8 @@ void kvm_arch_vm_release(struct kvm_vm *vm)
if (vm->arch.has_gic)
close(vm->arch.gic_fd);
}
+
+bool kvm_arch_has_default_irqchip(void)
+{
+ return request_vgic && kvm_supports_vgic_v3();
+}
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 6743fbd9bd67..a35adfebfa23 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -2344,3 +2344,8 @@ bool vm_is_gpa_protected(struct kvm_vm *vm, vm_paddr_t paddr)
pg = paddr >> vm->page_shift;
return sparsebit_is_set(region->protected_phy_pages, pg);
}
+
+__weak bool kvm_arch_has_default_irqchip(void)
+{
+ return false;
+}
diff --git a/tools/testing/selftests/kvm/lib/s390/processor.c b/tools/testing/selftests/kvm/lib/s390/processor.c
index 20cfe970e3e3..8ceeb17c819a 100644
--- a/tools/testing/selftests/kvm/lib/s390/processor.c
+++ b/tools/testing/selftests/kvm/lib/s390/processor.c
@@ -221,3 +221,8 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent)
void assert_on_unhandled_exception(struct kvm_vcpu *vcpu)
{
}
+
+bool kvm_arch_has_default_irqchip(void)
+{
+ return true;
+}
diff --git a/tools/testing/selftests/kvm/lib/x86/processor.c b/tools/testing/selftests/kvm/lib/x86/processor.c
index c748cd9b2eef..b418502c5ecc 100644
--- a/tools/testing/selftests/kvm/lib/x86/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86/processor.c
@@ -1318,3 +1318,8 @@ bool sys_clocksource_is_based_on_tsc(void)
return ret;
}
+
+bool kvm_arch_has_default_irqchip(void)
+{
+ return true;
+}