| /* |
| * Copyright 2021 The Hafnium Authors. |
| * |
| * Use of this source code is governed by a BSD-style |
| * license that can be found in the LICENSE file or at |
| * https://opensource.org/licenses/BSD-3-Clause. |
| */ |
| |
| #pragma once |
| |
| #define HF_INVALID_VM_ID 0x7fff |
| |
| /** |
| * The bit of the VM ID which indicates whether the VM ID is allocated by the |
| * normal world or the secure world. |
| */ |
| #define HF_VM_ID_WORLD_MASK 0x8000 |
| |
| /** The special VM ID reserved for the hypervisor in the normal world. */ |
| #define HF_HYPERVISOR_VM_ID 0 |
| |
| /** |
| * An offset to use when assigning VM IDs within the current world. |
| * The offset from HF_VM_ID_BASE is needed because VM ID `HF_VM_ID_BASE + 0` is |
| * reserved for the hypervisor/SPM. |
| */ |
| #define HF_VM_ID_OFFSET (HF_VM_ID_BASE + 1) |
| |
| /** The index of the primary VM, if it exists in this world. */ |
| #define HF_PRIMARY_VM_INDEX 0 |
| |
| /** |
| * The special VM ID reserved for the OS or SPMC running in the trusted |
| * execution environment, e.g. secure EL1 or EL2 on AArch64. |
| */ |
| #define HF_TEE_VM_ID 0x8000 |
| |
| /** |
| * The SPMC VM ID used to reference the SPMC by a SP (at secure virtual FF-A |
| * instance), or by the SPMD at secure physical FF-A instance. |
| */ |
| #define HF_SPMC_VM_ID 0x8000 |
| |
| /** |
| * The SPMD VM ID used to reference the SPMD by the SPMC at secure physical |
| * FF-A instance. It may be used to exchange special messages with the SPMC |
| * like power management events. |
| */ |
| #define HF_SPMD_VM_ID 0xFFFF |
| |
| /* Reserve 63 IDs for SPMD Logical Partitions. */ |
| #define EL3_SPMD_LP_ID_END (HF_SPMD_VM_ID - 1) |
| #define EL3_SPMD_LP_ID_START (EL3_SPMD_LP_ID_END - 62) |