[PATCH 13/16] KVM: arm64: Advertise AFP and RPRES to protected VMs

[Fuad Tabba]

Advertise FEAT_AFP and FEAT_RPRES to protected VMs. Both are controlled
through FPCR, which EL2 switches with the rest of the FP state.

Signed-off-by: Fuad Tabba <fuad.tabba@xxxxxxxxx>
---
 arch/arm64/kvm/hyp/nvhe/sys_regs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kvm/hyp/nvhe/sys_regs.c b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
index 73ef47a8e687b..08805c7e4e5a7 100644
--- a/arch/arm64/kvm/hyp/nvhe/sys_regs.c
+++ b/arch/arm64/kvm/hyp/nvhe/sys_regs.c
@@ -169,6 +169,7 @@ static const struct pvm_ftr_bits pvmid_aa64mmfr1[] = {
 	MAX_FEAT(ID_AA64MMFR1_EL1, PAN, PAN3),
 	MAX_FEAT(ID_AA64MMFR1_EL1, SpecSEI, IMP),
 	MAX_FEAT(ID_AA64MMFR1_EL1, ETS, IMP),
+	MAX_FEAT(ID_AA64MMFR1_EL1, AFP, IMP),
 	MAX_FEAT(ID_AA64MMFR1_EL1, CMOW, IMP),
 	FEAT_END
 };
@@ -212,6 +213,7 @@ static const struct pvm_ftr_bits pvmid_aa64isar1[] = {
 };
 
 static const struct pvm_ftr_bits pvmid_aa64isar2[] = {
+	MAX_FEAT(ID_AA64ISAR2_EL1, RPRES, IMP),
 	MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, GPA3, IMP, vm_has_ptrauth),
 	MAX_FEAT_FUNC(ID_AA64ISAR2_EL1, APA3, PAuth, vm_has_ptrauth),
 	MAX_FEAT(ID_AA64ISAR2_EL1, MOPS, IMP),
-- 
2.47.3