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-rw-r--r--tools/testing/selftests/kvm/aarch64/get-reg-list.c103
1 files changed, 86 insertions, 17 deletions
diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index cc898181faab..d287dd2cac0a 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -294,6 +294,11 @@ static void print_reg(struct vcpu_config *c, __u64 id)
"%s: Unexpected bits set in FW reg id: 0x%llx", config_name(c), id);
printf("\tKVM_REG_ARM_FW_REG(%lld),\n", id & 0xffff);
break;
+ case KVM_REG_ARM_FW_FEAT_BMAP:
+ TEST_ASSERT(id == KVM_REG_ARM_FW_FEAT_BMAP_REG(id & 0xffff),
+ "%s: Unexpected bits set in the bitmap feature FW reg id: 0x%llx", config_name(c), id);
+ printf("\tKVM_REG_ARM_FW_FEAT_BMAP_REG(%lld),\n", id & 0xffff);
+ break;
case KVM_REG_ARM64_SVE:
if (has_cap(c, KVM_CAP_ARM_SVE))
printf("\t%s,\n", sve_id_to_str(c, id));
@@ -372,7 +377,7 @@ static void prepare_vcpu_init(struct vcpu_config *c, struct kvm_vcpu_init *init)
init->features[s->feature / 32] |= 1 << (s->feature % 32);
}
-static void finalize_vcpu(struct kvm_vm *vm, uint32_t vcpuid, struct vcpu_config *c)
+static void finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_config *c)
{
struct reg_sublist *s;
int feature;
@@ -380,7 +385,7 @@ static void finalize_vcpu(struct kvm_vm *vm, uint32_t vcpuid, struct vcpu_config
for_each_sublist(c, s) {
if (s->finalize) {
feature = s->feature;
- vcpu_ioctl(vm, vcpuid, KVM_ARM_VCPU_FINALIZE, &feature);
+ vcpu_ioctl(vcpu, KVM_ARM_VCPU_FINALIZE, &feature);
}
}
}
@@ -390,10 +395,12 @@ static void check_supported(struct vcpu_config *c)
struct reg_sublist *s;
for_each_sublist(c, s) {
- if (s->capability && !kvm_check_cap(s->capability)) {
- fprintf(stderr, "%s: %s not available, skipping tests\n", config_name(c), s->name);
- exit(KSFT_SKIP);
- }
+ if (!s->capability)
+ continue;
+
+ __TEST_REQUIRE(kvm_has_cap(s->capability),
+ "%s: %s not available, skipping tests\n",
+ config_name(c), s->name);
}
}
@@ -406,17 +413,19 @@ static void run_test(struct vcpu_config *c)
struct kvm_vcpu_init init = { .target = -1, };
int new_regs = 0, missing_regs = 0, i, n;
int failed_get = 0, failed_set = 0, failed_reject = 0;
+ struct kvm_vcpu *vcpu;
struct kvm_vm *vm;
struct reg_sublist *s;
check_supported(c);
- vm = vm_create(VM_MODE_DEFAULT, DEFAULT_GUEST_PHY_PAGES, O_RDWR);
+ vm = vm_create_barebones();
prepare_vcpu_init(c, &init);
- aarch64_vcpu_add_default(vm, 0, &init, NULL);
- finalize_vcpu(vm, 0, c);
+ vcpu = __vm_vcpu_add(vm, 0);
+ aarch64_vcpu_setup(vcpu, &init);
+ finalize_vcpu(vcpu, c);
- reg_list = vcpu_get_reg_list(vm, 0);
+ reg_list = vcpu_get_reg_list(vcpu);
if (fixup_core_regs)
core_reg_fixup();
@@ -452,7 +461,7 @@ static void run_test(struct vcpu_config *c)
bool reject_reg = false;
int ret;
- ret = _vcpu_ioctl(vm, 0, KVM_GET_ONE_REG, &reg);
+ ret = __vcpu_get_reg(vcpu, reg_list->reg[i], &addr);
if (ret) {
printf("%s: Failed to get ", config_name(c));
print_reg(c, reg.id);
@@ -464,7 +473,7 @@ static void run_test(struct vcpu_config *c)
for_each_sublist(c, s) {
if (s->rejects_set && find_reg(s->rejects_set, s->rejects_set_n, reg.id)) {
reject_reg = true;
- ret = _vcpu_ioctl(vm, 0, KVM_SET_ONE_REG, &reg);
+ ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
if (ret != -1 || errno != EPERM) {
printf("%s: Failed to reject (ret=%d, errno=%d) ", config_name(c), ret, errno);
print_reg(c, reg.id);
@@ -476,7 +485,7 @@ static void run_test(struct vcpu_config *c)
}
if (!reject_reg) {
- ret = _vcpu_ioctl(vm, 0, KVM_SET_ONE_REG, &reg);
+ ret = __vcpu_ioctl(vcpu, KVM_SET_ONE_REG, &reg);
if (ret) {
printf("%s: Failed to set ", config_name(c));
print_reg(c, reg.id);
@@ -503,8 +512,13 @@ static void run_test(struct vcpu_config *c)
++missing_regs;
if (new_regs || missing_regs) {
+ n = 0;
+ for_each_reg_filtered(i)
+ ++n;
+
printf("%s: Number blessed registers: %5lld\n", config_name(c), blessed_n);
- printf("%s: Number registers: %5lld\n", config_name(c), reg_list->n);
+ printf("%s: Number registers: %5lld (includes %lld filtered registers)\n",
+ config_name(c), reg_list->n, reg_list->n - n);
}
if (new_regs) {
@@ -683,9 +697,13 @@ static __u64 base_regs[] = {
KVM_REG_ARM64 | KVM_REG_SIZE_U64 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(spsr[4]),
KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(fp_regs.fpsr),
KVM_REG_ARM64 | KVM_REG_SIZE_U32 | KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(fp_regs.fpcr),
- KVM_REG_ARM_FW_REG(0),
- KVM_REG_ARM_FW_REG(1),
- KVM_REG_ARM_FW_REG(2),
+ KVM_REG_ARM_FW_REG(0), /* KVM_REG_ARM_PSCI_VERSION */
+ KVM_REG_ARM_FW_REG(1), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 */
+ KVM_REG_ARM_FW_REG(2), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 */
+ KVM_REG_ARM_FW_REG(3), /* KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_3 */
+ KVM_REG_ARM_FW_FEAT_BMAP_REG(0), /* KVM_REG_ARM_STD_BMAP */
+ 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 */
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),
@@ -760,6 +778,7 @@ static __u64 base_regs[] = {
ARM64_SYS_REG(2, 0, 0, 15, 5),
ARM64_SYS_REG(2, 0, 0, 15, 6),
ARM64_SYS_REG(2, 0, 0, 15, 7),
+ ARM64_SYS_REG(2, 0, 1, 1, 4), /* OSLSR_EL1 */
ARM64_SYS_REG(2, 4, 0, 7, 0), /* DBGVCR32_EL2 */
ARM64_SYS_REG(3, 0, 0, 0, 5), /* MPIDR_EL1 */
ARM64_SYS_REG(3, 0, 0, 1, 0), /* ID_PFR0_EL1 */
@@ -1014,6 +1033,22 @@ static __u64 sve_rejects_set[] = {
KVM_REG_ARM64_SVE_VLS,
};
+static __u64 pauth_addr_regs[] = {
+ ARM64_SYS_REG(3, 0, 2, 1, 0), /* APIAKEYLO_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 1, 1), /* APIAKEYHI_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 1, 2), /* APIBKEYLO_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 1, 3), /* APIBKEYHI_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 2, 0), /* APDAKEYLO_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 2, 1), /* APDAKEYHI_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 2, 2), /* APDBKEYLO_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 2, 3) /* APDBKEYHI_EL1 */
+};
+
+static __u64 pauth_generic_regs[] = {
+ ARM64_SYS_REG(3, 0, 2, 3, 0), /* APGAKEYLO_EL1 */
+ ARM64_SYS_REG(3, 0, 2, 3, 1), /* APGAKEYHI_EL1 */
+};
+
#define BASE_SUBLIST \
{ "base", .regs = base_regs, .regs_n = ARRAY_SIZE(base_regs), }
#define VREGS_SUBLIST \
@@ -1025,6 +1060,21 @@ static __u64 sve_rejects_set[] = {
{ "sve", .capability = KVM_CAP_ARM_SVE, .feature = KVM_ARM_VCPU_SVE, .finalize = true, \
.regs = sve_regs, .regs_n = ARRAY_SIZE(sve_regs), \
.rejects_set = sve_rejects_set, .rejects_set_n = ARRAY_SIZE(sve_rejects_set), }
+#define PAUTH_SUBLIST \
+ { \
+ .name = "pauth_address", \
+ .capability = KVM_CAP_ARM_PTRAUTH_ADDRESS, \
+ .feature = KVM_ARM_VCPU_PTRAUTH_ADDRESS, \
+ .regs = pauth_addr_regs, \
+ .regs_n = ARRAY_SIZE(pauth_addr_regs), \
+ }, \
+ { \
+ .name = "pauth_generic", \
+ .capability = KVM_CAP_ARM_PTRAUTH_GENERIC, \
+ .feature = KVM_ARM_VCPU_PTRAUTH_GENERIC, \
+ .regs = pauth_generic_regs, \
+ .regs_n = ARRAY_SIZE(pauth_generic_regs), \
+ }
static struct vcpu_config vregs_config = {
.sublists = {
@@ -1056,11 +1106,30 @@ static struct vcpu_config sve_pmu_config = {
{0},
},
};
+static struct vcpu_config pauth_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ VREGS_SUBLIST,
+ PAUTH_SUBLIST,
+ {0},
+ },
+};
+static struct vcpu_config pauth_pmu_config = {
+ .sublists = {
+ BASE_SUBLIST,
+ VREGS_SUBLIST,
+ PAUTH_SUBLIST,
+ PMU_SUBLIST,
+ {0},
+ },
+};
static struct vcpu_config *vcpu_configs[] = {
&vregs_config,
&vregs_pmu_config,
&sve_config,
&sve_pmu_config,
+ &pauth_config,
+ &pauth_pmu_config,
};
static int vcpu_configs_n = ARRAY_SIZE(vcpu_configs);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.