LXR linux/tools/testing/selftests/kvm/include/aarch64/processor.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * AArch64 processor specific defines
   4 *
   5 * Copyright (C) 2018, Red Hat, Inc.
   6 */
   7#ifndef SELFTEST_KVM_PROCESSOR_H
   8#define SELFTEST_KVM_PROCESSOR_H
   9
  10#include "kvm_util.h"
  11
  12
  13#define ARM64_CORE_REG(x) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \
  14                           KVM_REG_ARM_CORE | KVM_REG_ARM_CORE_REG(x))
  15
  16#define CPACR_EL1       3, 0,  1, 0, 2
  17#define TCR_EL1         3, 0,  2, 0, 2
  18#define MAIR_EL1        3, 0, 10, 2, 0
  19#define TTBR0_EL1       3, 0,  2, 0, 0
  20#define SCTLR_EL1       3, 0,  1, 0, 0
  21
  22/*
  23 * Default MAIR
  24 *                  index   attribute
  25 * DEVICE_nGnRnE      0     0000:0000
  26 * DEVICE_nGnRE       1     0000:0100
  27 * DEVICE_GRE         2     0000:1100
  28 * NORMAL_NC          3     0100:0100
  29 * NORMAL             4     1111:1111
  30 * NORMAL_WT          5     1011:1011
  31 */
  32#define DEFAULT_MAIR_EL1 ((0x00ul << (0 * 8)) | \
  33                          (0x04ul << (1 * 8)) | \
  34                          (0x0cul << (2 * 8)) | \
  35                          (0x44ul << (3 * 8)) | \
  36                          (0xfful << (4 * 8)) | \
  37                          (0xbbul << (5 * 8)))
  38
  39static inline void get_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t *addr)
  40{
  41        struct kvm_one_reg reg;
  42        reg.id = id;
  43        reg.addr = (uint64_t)addr;
  44        vcpu_ioctl(vm, vcpuid, KVM_GET_ONE_REG, &reg);
  45}
  46
  47static inline void set_reg(struct kvm_vm *vm, uint32_t vcpuid, uint64_t id, uint64_t val)
  48{
  49        struct kvm_one_reg reg;
  50        reg.id = id;
  51        reg.addr = (uint64_t)&val;
  52        vcpu_ioctl(vm, vcpuid, KVM_SET_ONE_REG, &reg);
  53}
  54
  55void aarch64_vcpu_setup(struct kvm_vm *vm, int vcpuid, struct kvm_vcpu_init *init);
  56void aarch64_vcpu_add_default(struct kvm_vm *vm, uint32_t vcpuid,
  57                              struct kvm_vcpu_init *init, void *guest_code);
  58
  59#endif /* SELFTEST_KVM_PROCESSOR_H */
  60