| /* |
| * Copyright 2019 The Hafnium Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include "hf/arch/types.h" |
| |
| #include "hf/cpu.h" |
| |
| #include "vmapi/hf/spci.h" |
| |
| #define HF_FEATURE_NONE UINT64_C(0) |
| |
| /* Reliability, Availability, and Serviceability (RAS) Extension Features */ |
| #define HF_FEATURE_RAS UINT64_C(1) |
| |
| /* Limited Ordering Regions */ |
| #define HF_FEATURE_LOR (UINT64_C(1) << 1) |
| |
| /* Performance Monitor */ |
| #define HF_FEATURE_PERFMON (UINT64_C(1) << 2) |
| |
| /* Debug Registers */ |
| #define HF_FEATURE_DEBUG (UINT64_C(1) << 3) |
| |
| /* Statistical Profiling Extension (SPE) */ |
| #define HF_FEATURE_SPE (UINT64_C(1) << 4) |
| |
| /* Self-hosted Trace */ |
| #define HF_FEATURE_TRACE (UINT64_C(1) << 5) |
| |
| /* Pointer Authentication (PAuth) */ |
| #define HF_FEATURE_PAUTH (UINT64_C(1) << 6) |
| |
| /* |
| * NOTE: This should be based on the last (highest value) defined feature. |
| * Adjust if adding more features. |
| */ |
| #define HF_FEATURE_ALL ((HF_FEATURE_PAUTH << 1) - 1) |
| |
| bool feature_id_is_register_access(uintreg_t esr_el2); |
| |
| bool feature_id_process_access(struct vcpu *vcpu, uintreg_t esr_el2); |
| |
| void feature_set_traps(struct vm *vm, struct arch_regs *regs); |