From: Oliver Upton Date: Tue, 8 Jul 2025 17:25:32 +0000 (-0700) Subject: KVM: arm64: selftests: Catch up set_id_regs with the kernel X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b593ef12afce0124612d90cd1768a64d3f27a65;p=thirdparty%2Flinux.git KVM: arm64: selftests: Catch up set_id_regs with the kernel Add test coverage for ID_AA64MMFR3_EL1 and the recently added FEAT_DoubleFault2. Reviewed-by: Marc Zyngier Link: https://lore.kernel.org/r/20250708172532.1699409-28-oliver.upton@linux.dev Signed-off-by: Oliver Upton --- diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c index 8f422bfdfcb94..d3bf9204409c3 100644 --- a/tools/testing/selftests/kvm/arm64/set_id_regs.c +++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c @@ -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);