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Code

KVM: arm64: selftests: Catch up set_id_regs with the kernel

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Add test coverage for ID_AA64MMFR3_EL1 and the recently added
FEAT_DoubleFault2.

Reviewed-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20250708172532.1699409-28-oliver.upton@linux.dev
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This commit is contained in:
Oliver Upton 2025-07-08 10:25:32 -07:00
parent 55ea75f5b2
commit 0b593ef12a
1 changed files with 12 additions and 2 deletions
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14
tools/testing/selftests/kvm/arm64/set_id_regs.c
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@ -139,6 +139,7 @@ static const struct reg_ftr_bits ftr_id_aa64pfr0_el1[] = {
};
static const struct reg_ftr_bits ftr_id_aa64pfr1_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, DF2, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, CSV2_frac, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, SSBS, ID_AA64PFR1_EL1_SSBS_NI),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64PFR1_EL1, BT, 0),
@ -187,6 +188,14 @@ static const struct reg_ftr_bits ftr_id_aa64mmfr2_el1[] = {
REG_FTR_END,
};
static const struct reg_ftr_bits ftr_id_aa64mmfr3_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR3_EL1, S1POE, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR3_EL1, S1PIE, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR3_EL1, SCTLRX, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64MMFR3_EL1, TCRX, 0),
REG_FTR_END,
};
static const struct reg_ftr_bits ftr_id_aa64zfr0_el1[] = {
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ZFR0_EL1, F64MM, 0),
REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64ZFR0_EL1, F32MM, 0),
@ -217,6 +226,7 @@ static struct test_feature_reg test_regs[] = {
TEST_REG(SYS_ID_AA64MMFR0_EL1, ftr_id_aa64mmfr0_el1),
TEST_REG(SYS_ID_AA64MMFR1_EL1, ftr_id_aa64mmfr1_el1),
TEST_REG(SYS_ID_AA64MMFR2_EL1, ftr_id_aa64mmfr2_el1),
TEST_REG(SYS_ID_AA64MMFR3_EL1, ftr_id_aa64mmfr3_el1),
TEST_REG(SYS_ID_AA64ZFR0_EL1, ftr_id_aa64zfr0_el1),
};
@ -774,8 +784,8 @@ int main(void)
ARRAY_SIZE(ftr_id_aa64isar2_el1) + ARRAY_SIZE(ftr_id_aa64pfr0_el1) +
ARRAY_SIZE(ftr_id_aa64pfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr0_el1) +
ARRAY_SIZE(ftr_id_aa64mmfr1_el1) + ARRAY_SIZE(ftr_id_aa64mmfr2_el1) +
ARRAY_SIZE(ftr_id_aa64zfr0_el1) - ARRAY_SIZE(test_regs) + 3 +
MPAM_IDREG_TEST + MTE_IDREG_TEST;
ARRAY_SIZE(ftr_id_aa64mmfr3_el1) + ARRAY_SIZE(ftr_id_aa64zfr0_el1) -
ARRAY_SIZE(test_regs) + 3 + MPAM_IDREG_TEST + MTE_IDREG_TEST;
ksft_set_plan(test_cnt);