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KVM: arm64: selftests: get-reg-list: Add pauth configuration 

The get-reg-list test ignores the Pointer Authentication features,
which is a shame now that we have relatively common HW with this feature.

Define two new configurations (with and without PMU) that exercise the
KVM capabilities.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Link: https://lore.kernel.org/r/20211228121414.1013250-1-maz@kernel.org
This commit is contained in:
Marc Zyngier 2021-12-28 12:14:14 +00:00
parent dda0190d7f
commit f15dcf1b58
1 changed files with 50 additions and 0 deletions
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50
tools/testing/selftests/kvm/aarch64/get-reg-list.c
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@ -1014,6 +1014,22 @@ 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 +1041,21 @@ 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 +1087,30 @@ 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);