diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/kvm/arm64/vgic_irq.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/arm64/vgic_irq.c b/tools/testing/selftests/kvm/arm64/vgic_irq.c index a53ab809fe8a..ff2c75749f5c 100644 --- a/tools/testing/selftests/kvm/arm64/vgic_irq.c +++ b/tools/testing/selftests/kvm/arm64/vgic_irq.c @@ -846,6 +846,54 @@ static void guest_code_asym_dir(struct test_args *args, int cpuid) GUEST_DONE(); } +static void guest_code_group_en(struct test_args *args, int cpuid) +{ + uint32_t intid; + + gic_init(GIC_V3, 2); + + gic_set_eoi_split(0); + gic_set_priority_mask(CPU_PRIO_MASK); + /* SGI0 is G0, which is disabled */ + gic_irq_set_group(0, 0); + + /* Configure all SGIs with decreasing priority */ + for (intid = 0; intid < MIN_PPI; intid++) { + gic_set_priority(intid, (intid + 1) * 8); + gic_irq_enable(intid); + gic_irq_set_pending(intid); + } + + /* Ack and EOI all G1 interrupts */ + for (int i = 1; i < MIN_PPI; i++) { + intid = wait_for_and_activate_irq(); + + GUEST_ASSERT(intid < MIN_PPI); + gic_set_eoi(intid); + isb(); + } + + /* + * Check that SGI0 is still pending, inactive, and that we cannot + * ack anything. + */ + GUEST_ASSERT(gic_irq_get_pending(0)); + GUEST_ASSERT(!gic_irq_get_active(0)); + GUEST_ASSERT_IAR_EMPTY(); + GUEST_ASSERT(read_sysreg_s(SYS_ICC_IAR0_EL1) == IAR_SPURIOUS); + + /* Open the G0 gates, and verify we can ack SGI0 */ + write_sysreg_s(1, SYS_ICC_IGRPEN0_EL1); + isb(); + + do { + intid = read_sysreg_s(SYS_ICC_IAR0_EL1); + } while (intid == IAR_SPURIOUS); + + GUEST_ASSERT(intid == 0); + GUEST_DONE(); +} + static void *test_vcpu_run(void *arg) { struct kvm_vcpu *vcpu = arg; @@ -962,6 +1010,7 @@ int main(int argc, char **argv) test_vgic(nr_irqs, true /* level */, false /* eoi_split */); test_vgic(nr_irqs, true /* level */, true /* eoi_split */); test_vgic_two_cpus(guest_code_asym_dir); + test_vgic_two_cpus(guest_code_group_en); } else { test_vgic(nr_irqs, level_sensitive, eoi_split); } |