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Diffstat (limited to 'tools/testing/selftests/kvm/aarch64/vgic_init.c')
-rw-r--r--tools/testing/selftests/kvm/aarch64/vgic_init.c446
1 files changed, 221 insertions, 225 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/vgic_init.c b/tools/testing/selftests/kvm/aarch64/vgic_init.c
index 34379c98d2f4..e05ecb31823f 100644
--- a/tools/testing/selftests/kvm/aarch64/vgic_init.c
+++ b/tools/testing/selftests/kvm/aarch64/vgic_init.c
@@ -32,14 +32,28 @@ struct vm_gic {
static uint64_t max_phys_size;
-/* helper to access a redistributor register */
-static int access_v3_redist_reg(int gicv3_fd, int vcpu, int offset,
- uint32_t *val, bool write)
+/*
+ * Helpers to access a redistributor register and verify the ioctl() failed or
+ * succeeded as expected, and provided the correct value on success.
+ */
+static void v3_redist_reg_get_errno(int gicv3_fd, int vcpu, int offset,
+ int want, const char *msg)
{
- uint64_t attr = REG_OFFSET(vcpu, offset);
+ uint32_t ignored_val;
+ int ret = __kvm_device_attr_get(gicv3_fd, KVM_DEV_ARM_VGIC_GRP_REDIST_REGS,
+ REG_OFFSET(vcpu, offset), &ignored_val);
- return _kvm_device_access(gicv3_fd, KVM_DEV_ARM_VGIC_GRP_REDIST_REGS,
- attr, val, write);
+ TEST_ASSERT(ret && errno == want, "%s; want errno = %d", msg, want);
+}
+
+static void v3_redist_reg_get(int gicv3_fd, int vcpu, int offset, uint32_t want,
+ const char *msg)
+{
+ uint32_t val;
+
+ kvm_device_attr_get(gicv3_fd, KVM_DEV_ARM_VGIC_GRP_REDIST_REGS,
+ REG_OFFSET(vcpu, offset), &val);
+ TEST_ASSERT(val == want, "%s; want '0x%x', got '0x%x'", msg, want, val);
}
/* dummy guest code */
@@ -52,22 +66,22 @@ static void guest_code(void)
}
/* we don't want to assert on run execution, hence that helper */
-static int run_vcpu(struct kvm_vm *vm, uint32_t vcpuid)
+static int run_vcpu(struct kvm_vcpu *vcpu)
{
- ucall_init(vm, NULL);
- int ret = _vcpu_ioctl(vm, vcpuid, KVM_RUN, NULL);
- if (ret)
- return -errno;
- return 0;
+ ucall_init(vcpu->vm, NULL);
+
+ return __vcpu_run(vcpu) ? -errno : 0;
}
-static struct vm_gic vm_gic_create_with_vcpus(uint32_t gic_dev_type, uint32_t nr_vcpus)
+static struct vm_gic vm_gic_create_with_vcpus(uint32_t gic_dev_type,
+ uint32_t nr_vcpus,
+ struct kvm_vcpu *vcpus[])
{
struct vm_gic v;
v.gic_dev_type = gic_dev_type;
- v.vm = vm_create_default_with_vcpus(nr_vcpus, 0, 0, guest_code, NULL);
- v.gic_fd = kvm_create_device(v.vm, gic_dev_type, false);
+ v.vm = vm_create_with_vcpus(nr_vcpus, guest_code, vcpus);
+ v.gic_fd = kvm_create_device(v.vm, gic_dev_type);
return v;
}
@@ -129,63 +143,60 @@ static void subtest_dist_rdist(struct vm_gic *v)
: gic_v2_dist_region;
/* Check existing group/attributes */
- kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- dist.attr);
+ kvm_has_device_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, dist.attr);
- kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr);
+ kvm_has_device_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, rdist.attr);
/* check non existing attribute */
- ret = _kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, -1);
+ ret = __kvm_has_device_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR, -1);
TEST_ASSERT(ret && errno == ENXIO, "attribute not supported");
/* misaligned DIST and REDIST address settings */
addr = dist.alignment / 0x10;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- dist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ dist.attr, &addr);
TEST_ASSERT(ret && errno == EINVAL, "GIC dist base not aligned");
addr = rdist.alignment / 0x10;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ rdist.attr, &addr);
TEST_ASSERT(ret && errno == EINVAL, "GIC redist/cpu base not aligned");
/* out of range address */
addr = max_phys_size;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- dist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ dist.attr, &addr);
TEST_ASSERT(ret && errno == E2BIG, "dist address beyond IPA limit");
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ rdist.attr, &addr);
TEST_ASSERT(ret && errno == E2BIG, "redist address beyond IPA limit");
/* Space for half a rdist (a rdist is: 2 * rdist.alignment). */
addr = max_phys_size - dist.alignment;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ rdist.attr, &addr);
TEST_ASSERT(ret && errno == E2BIG,
"half of the redist is beyond IPA limit");
/* set REDIST base address @0x0*/
addr = 0x00000;
- kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr, &addr, true);
+ kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ rdist.attr, &addr);
/* Attempt to create a second legacy redistributor region */
addr = 0xE0000;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- rdist.attr, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ rdist.attr, &addr);
TEST_ASSERT(ret && errno == EEXIST, "GIC redist base set again");
- ret = _kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ ret = __kvm_has_device_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
KVM_VGIC_V3_ADDR_TYPE_REDIST);
if (!ret) {
/* Attempt to mix legacy and new redistributor regions */
addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 0, 0);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION,
- &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL,
"attempt to mix GICv3 REDIST and REDIST_REGION");
}
@@ -195,8 +206,8 @@ static void subtest_dist_rdist(struct vm_gic *v)
* on first vcpu run instead.
*/
addr = rdist.size - rdist.alignment;
- kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- dist.attr, &addr, true);
+ kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ dist.attr, &addr);
}
/* Test the new REDIST region API */
@@ -205,71 +216,71 @@ static void subtest_v3_redist_regions(struct vm_gic *v)
uint64_t addr, expected_addr;
int ret;
- ret = kvm_device_check_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST);
+ ret = __kvm_has_device_attr(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST);
TEST_ASSERT(!ret, "Multiple redist regions advertised");
addr = REDIST_REGION_ATTR_ADDR(NR_VCPUS, 0x100000, 2, 0);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "redist region attr value with flags != 0");
addr = REDIST_REGION_ATTR_ADDR(0, 0x100000, 0, 0);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "redist region attr value with count== 0");
addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 1);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL,
"attempt to register the first rdist region with index != 0");
addr = REDIST_REGION_ATTR_ADDR(2, 0x201000, 0, 1);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "rdist region with misaligned address");
addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);
- kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 1);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "register an rdist region with already used index");
addr = REDIST_REGION_ATTR_ADDR(1, 0x210000, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL,
"register an rdist region overlapping with another one");
addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "register redist region with index not +1");
addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 1);
- kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
addr = REDIST_REGION_ATTR_ADDR(1, max_phys_size, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == E2BIG,
"register redist region with base address beyond IPA range");
/* The last redist is above the pa range. */
addr = REDIST_REGION_ATTR_ADDR(2, max_phys_size - 0x30000, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == E2BIG,
"register redist region with top address beyond IPA range");
addr = 0x260000;
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr);
TEST_ASSERT(ret && errno == EINVAL,
"Mix KVM_VGIC_V3_ADDR_TYPE_REDIST and REDIST_REGION");
@@ -282,28 +293,28 @@ static void subtest_v3_redist_regions(struct vm_gic *v)
addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 0);
expected_addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, false);
+ ret = __kvm_device_attr_get(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(!ret && addr == expected_addr, "read characteristics of region #0");
addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 1);
expected_addr = REDIST_REGION_ATTR_ADDR(1, 0x240000, 0, 1);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, false);
+ ret = __kvm_device_attr_get(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(!ret && addr == expected_addr, "read characteristics of region #1");
addr = REDIST_REGION_ATTR_ADDR(0, 0, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, false);
+ ret = __kvm_device_attr_get(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == ENOENT, "read characteristics of non existing region");
addr = 0x260000;
- kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_DIST, &addr, true);
+ kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_DIST, &addr);
addr = REDIST_REGION_ATTR_ADDR(1, 0x260000, 0, 2);
- ret = _kvm_device_access(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v->gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "register redist region colliding with dist");
}
@@ -313,18 +324,19 @@ static void subtest_v3_redist_regions(struct vm_gic *v)
*/
static void test_vgic_then_vcpus(uint32_t gic_dev_type)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
struct vm_gic v;
int ret, i;
- v = vm_gic_create_with_vcpus(gic_dev_type, 1);
+ v = vm_gic_create_with_vcpus(gic_dev_type, 1, vcpus);
subtest_dist_rdist(&v);
/* Add the rest of the VCPUs */
for (i = 1; i < NR_VCPUS; ++i)
- vm_vcpu_add_default(v.vm, i, guest_code);
+ vcpus[i] = vm_vcpu_add(v.vm, i, guest_code);
- ret = run_vcpu(v.vm, 3);
+ ret = run_vcpu(vcpus[3]);
TEST_ASSERT(ret == -EINVAL, "dist/rdist overlap detected on 1st vcpu run");
vm_gic_destroy(&v);
@@ -333,14 +345,15 @@ static void test_vgic_then_vcpus(uint32_t gic_dev_type)
/* All the VCPUs are created before the VGIC KVM device gets initialized */
static void test_vcpus_then_vgic(uint32_t gic_dev_type)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
struct vm_gic v;
int ret;
- v = vm_gic_create_with_vcpus(gic_dev_type, NR_VCPUS);
+ v = vm_gic_create_with_vcpus(gic_dev_type, NR_VCPUS, vcpus);
subtest_dist_rdist(&v);
- ret = run_vcpu(v.vm, 3);
+ ret = run_vcpu(vcpus[3]);
TEST_ASSERT(ret == -EINVAL, "dist/rdist overlap detected on 1st vcpu run");
vm_gic_destroy(&v);
@@ -348,52 +361,53 @@ static void test_vcpus_then_vgic(uint32_t gic_dev_type)
static void test_v3_new_redist_regions(void)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
void *dummy = NULL;
struct vm_gic v;
uint64_t addr;
int ret;
- v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS);
+ v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS, vcpus);
subtest_v3_redist_regions(&v);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
- ret = run_vcpu(v.vm, 3);
+ ret = run_vcpu(vcpus[3]);
TEST_ASSERT(ret == -ENXIO, "running without sufficient number of rdists");
vm_gic_destroy(&v);
/* step2 */
- v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS);
+ v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS, vcpus);
subtest_v3_redist_regions(&v);
addr = REDIST_REGION_ATTR_ADDR(1, 0x280000, 0, 2);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
- ret = run_vcpu(v.vm, 3);
+ ret = run_vcpu(vcpus[3]);
TEST_ASSERT(ret == -EBUSY, "running without vgic explicit init");
vm_gic_destroy(&v);
/* step 3 */
- v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS);
+ v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS, vcpus);
subtest_v3_redist_regions(&v);
- _kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, dummy, true);
+ ret = __kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, dummy);
TEST_ASSERT(ret && errno == EFAULT,
"register a third region allowing to cover the 4 vcpus");
addr = REDIST_REGION_ATTR_ADDR(1, 0x280000, 0, 2);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
- ret = run_vcpu(v.vm, 3);
+ ret = run_vcpu(vcpus[3]);
TEST_ASSERT(!ret, "vcpu run");
vm_gic_destroy(&v);
@@ -403,71 +417,77 @@ static void test_v3_typer_accesses(void)
{
struct vm_gic v;
uint64_t addr;
- uint32_t val;
int ret, i;
- v.vm = vm_create_default(0, 0, guest_code);
+ v.vm = vm_create(NR_VCPUS);
+ (void)vm_vcpu_add(v.vm, 0, guest_code);
- v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);
+ v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3);
- vm_vcpu_add_default(v.vm, 3, guest_code);
+ (void)vm_vcpu_add(v.vm, 3, guest_code);
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(ret && errno == EINVAL, "attempting to read GICR_TYPER of non created vcpu");
+ v3_redist_reg_get_errno(v.gic_fd, 1, GICR_TYPER, EINVAL,
+ "attempting to read GICR_TYPER of non created vcpu");
- vm_vcpu_add_default(v.vm, 1, guest_code);
+ (void)vm_vcpu_add(v.vm, 1, guest_code);
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(ret && errno == EBUSY, "read GICR_TYPER before GIC initialized");
+ v3_redist_reg_get_errno(v.gic_fd, 1, GICR_TYPER, EBUSY,
+ "read GICR_TYPER before GIC initialized");
- vm_vcpu_add_default(v.vm, 2, guest_code);
+ (void)vm_vcpu_add(v.vm, 2, guest_code);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
for (i = 0; i < NR_VCPUS ; i++) {
- ret = access_v3_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && !val, "read GICR_TYPER before rdist region setting");
+ v3_redist_reg_get(v.gic_fd, i, GICR_TYPER, i * 0x100,
+ "read GICR_TYPER before rdist region setting");
}
addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 0);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
/* The 2 first rdists should be put there (vcpu 0 and 3) */
- ret = access_v3_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && !val, "read typer of rdist #0");
-
- ret = access_v3_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x310, "read typer of rdist #1");
+ v3_redist_reg_get(v.gic_fd, 0, GICR_TYPER, 0x0, "read typer of rdist #0");
+ v3_redist_reg_get(v.gic_fd, 3, GICR_TYPER, 0x310, "read typer of rdist #1");
addr = REDIST_REGION_ATTR_ADDR(10, 0x100000, 0, 1);
- ret = _kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ ret = __kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
TEST_ASSERT(ret && errno == EINVAL, "collision with previous rdist region");
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x100,
- "no redist region attached to vcpu #1 yet, last cannot be returned");
-
- ret = access_v3_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x200,
- "no redist region attached to vcpu #2, last cannot be returned");
+ v3_redist_reg_get(v.gic_fd, 1, GICR_TYPER, 0x100,
+ "no redist region attached to vcpu #1 yet, last cannot be returned");
+ v3_redist_reg_get(v.gic_fd, 2, GICR_TYPER, 0x200,
+ "no redist region attached to vcpu #2, last cannot be returned");
addr = REDIST_REGION_ATTR_ADDR(10, 0x20000, 0, 1);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #1");
-
- ret = access_v3_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x210,
- "read typer of rdist #1, last properly returned");
+ v3_redist_reg_get(v.gic_fd, 1, GICR_TYPER, 0x100, "read typer of rdist #1");
+ v3_redist_reg_get(v.gic_fd, 2, GICR_TYPER, 0x210,
+ "read typer of rdist #1, last properly returned");
vm_gic_destroy(&v);
}
+static struct vm_gic vm_gic_v3_create_with_vcpuids(int nr_vcpus,
+ uint32_t vcpuids[])
+{
+ struct vm_gic v;
+ int i;
+
+ v.vm = vm_create(nr_vcpus);
+ for (i = 0; i < nr_vcpus; i++)
+ vm_vcpu_add(v.vm, vcpuids[i], guest_code);
+
+ v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3);
+
+ return v;
+}
+
/**
* Test GICR_TYPER last bit with new redist regions
* rdist regions #1 and #2 are contiguous
@@ -483,45 +503,30 @@ static void test_v3_last_bit_redist_regions(void)
uint32_t vcpuids[] = { 0, 3, 5, 4, 1, 2 };
struct vm_gic v;
uint64_t addr;
- uint32_t val;
- int ret;
-
- v.vm = vm_create_default_with_vcpus(6, 0, 0, guest_code, vcpuids);
- v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);
+ v = vm_gic_v3_create_with_vcpuids(ARRAY_SIZE(vcpuids), vcpuids);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
addr = REDIST_REGION_ATTR_ADDR(2, 0x100000, 0, 0);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
addr = REDIST_REGION_ATTR_ADDR(2, 0x240000, 0, 1);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
addr = REDIST_REGION_ATTR_ADDR(2, 0x200000, 0, 2);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr, true);
-
- ret = access_v3_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x000, "read typer of rdist #0");
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST_REGION, &addr);
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #1");
-
- ret = access_v3_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x200, "read typer of rdist #2");
-
- ret = access_v3_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x310, "read typer of rdist #3");
-
- ret = access_v3_redist_reg(v.gic_fd, 5, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x500, "read typer of rdist #5");
-
- ret = access_v3_redist_reg(v.gic_fd, 4, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x410, "read typer of rdist #4");
+ v3_redist_reg_get(v.gic_fd, 0, GICR_TYPER, 0x000, "read typer of rdist #0");
+ v3_redist_reg_get(v.gic_fd, 1, GICR_TYPER, 0x100, "read typer of rdist #1");
+ v3_redist_reg_get(v.gic_fd, 2, GICR_TYPER, 0x200, "read typer of rdist #2");
+ v3_redist_reg_get(v.gic_fd, 3, GICR_TYPER, 0x310, "read typer of rdist #3");
+ v3_redist_reg_get(v.gic_fd, 5, GICR_TYPER, 0x500, "read typer of rdist #5");
+ v3_redist_reg_get(v.gic_fd, 4, GICR_TYPER, 0x410, "read typer of rdist #4");
vm_gic_destroy(&v);
}
@@ -532,34 +537,21 @@ static void test_v3_last_bit_single_rdist(void)
uint32_t vcpuids[] = { 0, 3, 5, 4, 1, 2 };
struct vm_gic v;
uint64_t addr;
- uint32_t val;
- int ret;
-
- v.vm = vm_create_default_with_vcpus(6, 0, 0, guest_code, vcpuids);
- v.gic_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_V3, false);
+ v = vm_gic_v3_create_with_vcpuids(ARRAY_SIZE(vcpuids), vcpuids);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
addr = 0x10000;
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true);
-
- ret = access_v3_redist_reg(v.gic_fd, 0, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x000, "read typer of rdist #0");
-
- ret = access_v3_redist_reg(v.gic_fd, 3, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x300, "read typer of rdist #1");
-
- ret = access_v3_redist_reg(v.gic_fd, 5, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x500, "read typer of rdist #2");
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr);
- ret = access_v3_redist_reg(v.gic_fd, 1, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x100, "read typer of rdist #3");
-
- ret = access_v3_redist_reg(v.gic_fd, 2, GICR_TYPER, &val, false);
- TEST_ASSERT(!ret && val == 0x210, "read typer of rdist #3");
+ v3_redist_reg_get(v.gic_fd, 0, GICR_TYPER, 0x000, "read typer of rdist #0");
+ v3_redist_reg_get(v.gic_fd, 3, GICR_TYPER, 0x300, "read typer of rdist #1");
+ v3_redist_reg_get(v.gic_fd, 5, GICR_TYPER, 0x500, "read typer of rdist #2");
+ v3_redist_reg_get(v.gic_fd, 1, GICR_TYPER, 0x100, "read typer of rdist #3");
+ v3_redist_reg_get(v.gic_fd, 2, GICR_TYPER, 0x210, "read typer of rdist #3");
vm_gic_destroy(&v);
}
@@ -567,30 +559,31 @@ static void test_v3_last_bit_single_rdist(void)
/* Uses the legacy REDIST region API. */
static void test_v3_redist_ipa_range_check_at_vcpu_run(void)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
struct vm_gic v;
int ret, i;
uint64_t addr;
- v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, 1);
+ v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, 1, vcpus);
/* Set space for 3 redists, we have 1 vcpu, so this succeeds. */
addr = max_phys_size - (3 * 2 * 0x10000);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_REDIST, &addr);
addr = 0x00000;
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_V3_ADDR_TYPE_DIST, &addr, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_V3_ADDR_TYPE_DIST, &addr);
/* Add the rest of the VCPUs */
for (i = 1; i < NR_VCPUS; ++i)
- vm_vcpu_add_default(v.vm, i, guest_code);
+ vcpus[i] = vm_vcpu_add(v.vm, i, guest_code);
- kvm_device_access(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
- KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true);
+ kvm_device_attr_set(v.gic_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
+ KVM_DEV_ARM_VGIC_CTRL_INIT, NULL);
/* Attempt to run a vcpu without enough redist space. */
- ret = run_vcpu(v.vm, 2);
+ ret = run_vcpu(vcpus[2]);
TEST_ASSERT(ret && errno == EINVAL,
"redist base+size above PA range detected on 1st vcpu run");
@@ -599,39 +592,40 @@ static void test_v3_redist_ipa_range_check_at_vcpu_run(void)
static void test_v3_its_region(void)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
struct vm_gic v;
uint64_t addr;
int its_fd, ret;
- v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS);
- its_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_ITS, false);
+ v = vm_gic_create_with_vcpus(KVM_DEV_TYPE_ARM_VGIC_V3, NR_VCPUS, vcpus);
+ its_fd = kvm_create_device(v.vm, KVM_DEV_TYPE_ARM_VGIC_ITS);
addr = 0x401000;
- ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_ITS_ADDR_TYPE, &addr, true);
+ ret = __kvm_device_attr_set(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_ITS_ADDR_TYPE, &addr);
TEST_ASSERT(ret && errno == EINVAL,
"ITS region with misaligned address");
addr = max_phys_size;
- ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_ITS_ADDR_TYPE, &addr, true);
+ ret = __kvm_device_attr_set(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_ITS_ADDR_TYPE, &addr);
TEST_ASSERT(ret && errno == E2BIG,
"register ITS region with base address beyond IPA range");
addr = max_phys_size - 0x10000;
- ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_ITS_ADDR_TYPE, &addr, true);
+ ret = __kvm_device_attr_set(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_ITS_ADDR_TYPE, &addr);
TEST_ASSERT(ret && errno == E2BIG,
"Half of ITS region is beyond IPA range");
/* This one succeeds setting the ITS base */
addr = 0x400000;
- kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_ITS_ADDR_TYPE, &addr, true);
+ kvm_device_attr_set(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_ITS_ADDR_TYPE, &addr);
addr = 0x300000;
- ret = _kvm_device_access(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
- KVM_VGIC_ITS_ADDR_TYPE, &addr, true);
+ ret = __kvm_device_attr_set(its_fd, KVM_DEV_ARM_VGIC_GRP_ADDR,
+ KVM_VGIC_ITS_ADDR_TYPE, &addr);
TEST_ASSERT(ret && errno == EEXIST, "ITS base set again");
close(its_fd);
@@ -643,34 +637,33 @@ static void test_v3_its_region(void)
*/
int test_kvm_device(uint32_t gic_dev_type)
{
+ struct kvm_vcpu *vcpus[NR_VCPUS];
struct vm_gic v;
- int ret, fd;
uint32_t other;
+ int ret;
- v.vm = vm_create_default_with_vcpus(NR_VCPUS, 0, 0, guest_code, NULL);
+ v.vm = vm_create_with_vcpus(NR_VCPUS, guest_code, vcpus);
/* try to create a non existing KVM device */
- ret = _kvm_create_device(v.vm, 0, true, &fd);
+ ret = __kvm_test_create_device(v.vm, 0);
TEST_ASSERT(ret && errno == ENODEV, "unsupported device");
/* trial mode */
- ret = _kvm_create_device(v.vm, gic_dev_type, true, &fd);
+ ret = __kvm_test_create_device(v.vm, gic_dev_type);
if (ret)
return ret;
- v.gic_fd = kvm_create_device(v.vm, gic_dev_type, false);
-
- ret = _kvm_create_device(v.vm, gic_dev_type, false, &fd);
- TEST_ASSERT(ret && errno == EEXIST, "create GIC device twice");
+ v.gic_fd = kvm_create_device(v.vm, gic_dev_type);
- kvm_create_device(v.vm, gic_dev_type, true);
+ ret = __kvm_create_device(v.vm, gic_dev_type);
+ TEST_ASSERT(ret < 0 && errno == EEXIST, "create GIC device twice");
/* try to create the other gic_dev_type */
other = VGIC_DEV_IS_V2(gic_dev_type) ? KVM_DEV_TYPE_ARM_VGIC_V3
: KVM_DEV_TYPE_ARM_VGIC_V2;
- if (!_kvm_create_device(v.vm, other, true, &fd)) {
- ret = _kvm_create_device(v.vm, other, false, &fd);
- TEST_ASSERT(ret && errno == EINVAL,
+ if (!__kvm_test_create_device(v.vm, other)) {
+ ret = __kvm_test_create_device(v.vm, other);
+ TEST_ASSERT(ret && (errno == EINVAL || errno == EEXIST),
"create GIC device while other version exists");
}
@@ -698,6 +691,7 @@ int main(int ac, char **av)
{
int ret;
int pa_bits;
+ int cnt_impl = 0;
pa_bits = vm_guest_mode_params[VM_MODE_DEFAULT].pa_bits;
max_phys_size = 1ULL << pa_bits;
@@ -706,17 +700,19 @@ int main(int ac, char **av)
if (!ret) {
pr_info("Running GIC_v3 tests.\n");
run_tests(KVM_DEV_TYPE_ARM_VGIC_V3);
- return 0;
+ cnt_impl++;
}
ret = test_kvm_device(KVM_DEV_TYPE_ARM_VGIC_V2);
if (!ret) {
pr_info("Running GIC_v2 tests.\n");
run_tests(KVM_DEV_TYPE_ARM_VGIC_V2);
- return 0;
+ cnt_impl++;
}
- print_skip("No GICv2 nor GICv3 support");
- exit(KSFT_SKIP);
+ if (!cnt_impl) {
+ print_skip("No GICv2 nor GICv3 support");
+ exit(KSFT_SKIP);
+ }
return 0;
}
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-18 17:08:01 +0300