[PATCH v10 30/30] KVM: arm64: selftests: Add SME to set_id_regs test

Mark Brown posted 30 patches 4 weeks, 1 day ago
[PATCH v10 30/30] KVM: arm64: selftests: Add SME to set_id_regs test
Posted by Mark Brown 4 weeks, 1 day ago
Add coverage of the SME ID registers to set_id_regs, ID_AA64PFR1_EL1.SME
becomes writable and we add ID_AA64SMFR0_EL1 and it's subfields.

Signed-off-by: Mark Brown <broonie@kernel.org>
---
 tools/testing/selftests/kvm/arm64/set_id_regs.c | 30 +++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tools/testing/selftests/kvm/arm64/set_id_regs.c b/tools/testing/selftests/kvm/arm64/set_id_regs.c
index 928e7d9e5ab7..042a7496ec83 100644
--- a/tools/testing/selftests/kvm/arm64/set_id_regs.c
+++ b/tools/testing/selftests/kvm/arm64/set_id_regs.c
@@ -145,6 +145,7 @@ 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, SME, 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),
 	REG_FTR_END,
@@ -202,6 +203,33 @@ static const struct reg_ftr_bits ftr_id_aa64mmfr3_el1[] = {
 	REG_FTR_END,
 };
 
+static const struct reg_ftr_bits ftr_id_aa64smfr0_el1[] = {
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, FA64, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, LUTv2, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SMEver, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, I16I64, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F64F64, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, I16I32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, B16B16, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F16F16, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F8F16, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F8F32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, I8I32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F16F32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, B16F32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, BI32I32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, F32F32, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SF8FMA, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SF8DP4, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SF8DP2, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SBitPerm, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, AES, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SFEXPA, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, STMOP, 0),
+	REG_FTR_BITS(FTR_LOWER_SAFE, ID_AA64SMFR0_EL1, SMOP4, 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),
@@ -234,6 +262,7 @@ static struct test_feature_reg test_regs[] = {
 	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_AA64SMFR0_EL1, ftr_id_aa64smfr0_el1),
 	TEST_REG(SYS_ID_AA64ZFR0_EL1, ftr_id_aa64zfr0_el1),
 };
 
@@ -253,6 +282,7 @@ static void guest_code(void)
 	GUEST_REG_SYNC(SYS_ID_AA64MMFR1_EL1);
 	GUEST_REG_SYNC(SYS_ID_AA64MMFR2_EL1);
 	GUEST_REG_SYNC(SYS_ID_AA64MMFR3_EL1);
+	GUEST_REG_SYNC(SYS_ID_AA64SMFR0_EL1);
 	GUEST_REG_SYNC(SYS_ID_AA64ZFR0_EL1);
 	GUEST_REG_SYNC(SYS_MPIDR_EL1);
 	GUEST_REG_SYNC(SYS_CLIDR_EL1);

-- 
2.47.3