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Diffstat (limited to 'tools/testing/selftests/kvm/aarch64/hypercalls.c')
-rw-r--r--tools/testing/selftests/kvm/aarch64/hypercalls.c97
1 files changed, 37 insertions, 60 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/hypercalls.c b/tools/testing/selftests/kvm/aarch64/hypercalls.c
index 41e0210b7a5e..a39da3fe4952 100644
--- a/tools/testing/selftests/kvm/aarch64/hypercalls.c
+++ b/tools/testing/selftests/kvm/aarch64/hypercalls.c
@@ -141,26 +141,6 @@ static void guest_code(void)
GUEST_DONE();
}
-static int set_fw_reg(struct kvm_vm *vm, uint64_t id, uint64_t val)
-{
- struct kvm_one_reg reg = {
- .id = id,
- .addr = (uint64_t)&val,
- };
-
- return _vcpu_ioctl(vm, 0, KVM_SET_ONE_REG, &reg);
-}
-
-static void get_fw_reg(struct kvm_vm *vm, uint64_t id, uint64_t *addr)
-{
- struct kvm_one_reg reg = {
- .id = id,
- .addr = (uint64_t)addr,
- };
-
- vcpu_ioctl(vm, 0, KVM_GET_ONE_REG, &reg);
-}
-
struct st_time {
uint32_t rev;
uint32_t attr;
@@ -170,23 +150,19 @@ struct st_time {
#define STEAL_TIME_SIZE ((sizeof(struct st_time) + 63) & ~63)
#define ST_GPA_BASE (1 << 30)
-static void steal_time_init(struct kvm_vm *vm)
+static void steal_time_init(struct kvm_vcpu *vcpu)
{
uint64_t st_ipa = (ulong)ST_GPA_BASE;
unsigned int gpages;
- struct kvm_device_attr dev = {
- .group = KVM_ARM_VCPU_PVTIME_CTRL,
- .attr = KVM_ARM_VCPU_PVTIME_IPA,
- .addr = (uint64_t)&st_ipa,
- };
gpages = vm_calc_num_guest_pages(VM_MODE_DEFAULT, STEAL_TIME_SIZE);
- vm_userspace_mem_region_add(vm, VM_MEM_SRC_ANONYMOUS, ST_GPA_BASE, 1, gpages, 0);
+ vm_userspace_mem_region_add(vcpu->vm, VM_MEM_SRC_ANONYMOUS, ST_GPA_BASE, 1, gpages, 0);
- vcpu_ioctl(vm, 0, KVM_SET_DEVICE_ATTR, &dev);
+ vcpu_device_attr_set(vcpu, KVM_ARM_VCPU_PVTIME_CTRL,
+ KVM_ARM_VCPU_PVTIME_IPA, &st_ipa);
}
-static void test_fw_regs_before_vm_start(struct kvm_vm *vm)
+static void test_fw_regs_before_vm_start(struct kvm_vcpu *vcpu)
{
uint64_t val;
unsigned int i;
@@ -196,18 +172,18 @@ static void test_fw_regs_before_vm_start(struct kvm_vm *vm)
const struct kvm_fw_reg_info *reg_info = &fw_reg_info[i];
/* First 'read' should be an upper limit of the features supported */
- get_fw_reg(vm, reg_info->reg, &val);
+ vcpu_get_reg(vcpu, reg_info->reg, &val);
TEST_ASSERT(val == FW_REG_ULIMIT_VAL(reg_info->max_feat_bit),
"Expected all the features to be set for reg: 0x%lx; expected: 0x%lx; read: 0x%lx\n",
reg_info->reg, FW_REG_ULIMIT_VAL(reg_info->max_feat_bit), val);
/* Test a 'write' by disabling all the features of the register map */
- ret = set_fw_reg(vm, reg_info->reg, 0);
+ ret = __vcpu_set_reg(vcpu, reg_info->reg, 0);
TEST_ASSERT(ret == 0,
"Failed to clear all the features of reg: 0x%lx; ret: %d\n",
reg_info->reg, errno);
- get_fw_reg(vm, reg_info->reg, &val);
+ vcpu_get_reg(vcpu, reg_info->reg, &val);
TEST_ASSERT(val == 0,
"Expected all the features to be cleared for reg: 0x%lx\n", reg_info->reg);
@@ -216,7 +192,7 @@ static void test_fw_regs_before_vm_start(struct kvm_vm *vm)
* Avoid this check if all the bits are occupied.
*/
if (reg_info->max_feat_bit < 63) {
- ret = set_fw_reg(vm, reg_info->reg, BIT(reg_info->max_feat_bit + 1));
+ ret = __vcpu_set_reg(vcpu, reg_info->reg, BIT(reg_info->max_feat_bit + 1));
TEST_ASSERT(ret != 0 && errno == EINVAL,
"Unexpected behavior or return value (%d) while setting an unsupported feature for reg: 0x%lx\n",
errno, reg_info->reg);
@@ -224,7 +200,7 @@ static void test_fw_regs_before_vm_start(struct kvm_vm *vm)
}
}
-static void test_fw_regs_after_vm_start(struct kvm_vm *vm)
+static void test_fw_regs_after_vm_start(struct kvm_vcpu *vcpu)
{
uint64_t val;
unsigned int i;
@@ -237,7 +213,7 @@ static void test_fw_regs_after_vm_start(struct kvm_vm *vm)
* Before starting the VM, the test clears all the bits.
* Check if that's still the case.
*/
- get_fw_reg(vm, reg_info->reg, &val);
+ vcpu_get_reg(vcpu, reg_info->reg, &val);
TEST_ASSERT(val == 0,
"Expected all the features to be cleared for reg: 0x%lx\n",
reg_info->reg);
@@ -247,77 +223,78 @@ static void test_fw_regs_after_vm_start(struct kvm_vm *vm)
* the registers and should return EBUSY. Set the registers and check for
* the expected errno.
*/
- ret = set_fw_reg(vm, reg_info->reg, FW_REG_ULIMIT_VAL(reg_info->max_feat_bit));
+ ret = __vcpu_set_reg(vcpu, reg_info->reg, FW_REG_ULIMIT_VAL(reg_info->max_feat_bit));
TEST_ASSERT(ret != 0 && errno == EBUSY,
"Unexpected behavior or return value (%d) while setting a feature while VM is running for reg: 0x%lx\n",
errno, reg_info->reg);
}
}
-static struct kvm_vm *test_vm_create(void)
+static struct kvm_vm *test_vm_create(struct kvm_vcpu **vcpu)
{
struct kvm_vm *vm;
- vm = vm_create_default(0, 0, guest_code);
+ vm = vm_create_with_one_vcpu(vcpu, guest_code);
ucall_init(vm, NULL);
- steal_time_init(vm);
+ steal_time_init(*vcpu);
return vm;
}
-static struct kvm_vm *test_guest_stage(struct kvm_vm *vm)
+static void test_guest_stage(struct kvm_vm **vm, struct kvm_vcpu **vcpu)
{
- struct kvm_vm *ret_vm = vm;
+ int prev_stage = stage;
+
+ pr_debug("Stage: %d\n", prev_stage);
- pr_debug("Stage: %d\n", stage);
+ /* Sync the stage early, the VM might be freed below. */
+ stage++;
+ sync_global_to_guest(*vm, stage);
- switch (stage) {
+ switch (prev_stage) {
case TEST_STAGE_REG_IFACE:
- test_fw_regs_after_vm_start(vm);
+ test_fw_regs_after_vm_start(*vcpu);
break;
case TEST_STAGE_HVC_IFACE_FEAT_DISABLED:
/* Start a new VM so that all the features are now enabled by default */
- kvm_vm_free(vm);
- ret_vm = test_vm_create();
+ kvm_vm_free(*vm);
+ *vm = test_vm_create(vcpu);
break;
case TEST_STAGE_HVC_IFACE_FEAT_ENABLED:
case TEST_STAGE_HVC_IFACE_FALSE_INFO:
break;
default:
- TEST_FAIL("Unknown test stage: %d\n", stage);
+ TEST_FAIL("Unknown test stage: %d\n", prev_stage);
}
-
- stage++;
- sync_global_to_guest(vm, stage);
-
- return ret_vm;
}
static void test_run(void)
{
+ struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
struct ucall uc;
bool guest_done = false;
- vm = test_vm_create();
+ vm = test_vm_create(&vcpu);
- test_fw_regs_before_vm_start(vm);
+ test_fw_regs_before_vm_start(vcpu);
while (!guest_done) {
- vcpu_run(vm, 0);
+ vcpu_run(vcpu);
- switch (get_ucall(vm, 0, &uc)) {
+ switch (get_ucall(vcpu, &uc)) {
case UCALL_SYNC:
- vm = test_guest_stage(vm);
+ test_guest_stage(&vm, &vcpu);
break;
case UCALL_DONE:
guest_done = true;
break;
case UCALL_ABORT:
- TEST_FAIL("%s at %s:%ld\n\tvalues: 0x%lx, 0x%lx; 0x%lx, stage: %u",
- (const char *)uc.args[0], __FILE__, uc.args[1],
- uc.args[2], uc.args[3], uc.args[4], stage);
+ REPORT_GUEST_ASSERT_N(uc, "values: 0x%lx, 0x%lx; 0x%lx, stage: %u",
+ GUEST_ASSERT_ARG(uc, 0),
+ GUEST_ASSERT_ARG(uc, 1),
+ GUEST_ASSERT_ARG(uc, 2), stage);
break;
default:
TEST_FAIL("Unexpected guest exit\n");
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-21 04:02:03 +0100