1 /* 2 * KVM ARM ABI constant definitions 3 * 4 * Copyright (c) 2013 Linaro Limited 5 * 6 * Provide versions of KVM constant defines that can be used even 7 * when CONFIG_KVM is not set and we don't have access to the 8 * KVM headers. If CONFIG_KVM is set, we do a compile-time check 9 * that we haven't got out of sync somehow. 10 * 11 * This work is licensed under the terms of the GNU GPL, version 2 or later. 12 * See the COPYING file in the top-level directory. 13 */ 14 #ifndef ARM_KVM_CONSTS_H 15 #define ARM_KVM_CONSTS_H 16 17 #ifdef CONFIG_KVM 18 #include <linux/kvm.h> 19 #include <linux/psci.h> 20 21 #define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(X != Y) 22 23 #else 24 25 #define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(0) 26 27 #endif 28 29 #define CP_REG_SIZE_SHIFT 52 30 #define CP_REG_SIZE_MASK 0x00f0000000000000ULL 31 #define CP_REG_SIZE_U32 0x0020000000000000ULL 32 #define CP_REG_SIZE_U64 0x0030000000000000ULL 33 #define CP_REG_ARM 0x4000000000000000ULL 34 #define CP_REG_ARCH_MASK 0xff00000000000000ULL 35 36 MISMATCH_CHECK(CP_REG_SIZE_SHIFT, KVM_REG_SIZE_SHIFT); 37 MISMATCH_CHECK(CP_REG_SIZE_MASK, KVM_REG_SIZE_MASK); 38 MISMATCH_CHECK(CP_REG_SIZE_U32, KVM_REG_SIZE_U32); 39 MISMATCH_CHECK(CP_REG_SIZE_U64, KVM_REG_SIZE_U64); 40 MISMATCH_CHECK(CP_REG_ARM, KVM_REG_ARM); 41 MISMATCH_CHECK(CP_REG_ARCH_MASK, KVM_REG_ARCH_MASK); 42 43 #define QEMU_PSCI_0_1_FN_BASE 0x95c1ba5e 44 #define QEMU_PSCI_0_1_FN(n) (QEMU_PSCI_0_1_FN_BASE + (n)) 45 #define QEMU_PSCI_0_1_FN_CPU_SUSPEND QEMU_PSCI_0_1_FN(0) 46 #define QEMU_PSCI_0_1_FN_CPU_OFF QEMU_PSCI_0_1_FN(1) 47 #define QEMU_PSCI_0_1_FN_CPU_ON QEMU_PSCI_0_1_FN(2) 48 #define QEMU_PSCI_0_1_FN_MIGRATE QEMU_PSCI_0_1_FN(3) 49 50 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND); 51 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF); 52 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_ON, KVM_PSCI_FN_CPU_ON); 53 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_MIGRATE, KVM_PSCI_FN_MIGRATE); 54 55 #define QEMU_PSCI_0_2_FN_BASE 0x84000000 56 #define QEMU_PSCI_0_2_FN(n) (QEMU_PSCI_0_2_FN_BASE + (n)) 57 58 #define QEMU_PSCI_0_2_64BIT 0x40000000 59 #define QEMU_PSCI_0_2_FN64_BASE \ 60 (QEMU_PSCI_0_2_FN_BASE + QEMU_PSCI_0_2_64BIT) 61 #define QEMU_PSCI_0_2_FN64(n) (QEMU_PSCI_0_2_FN64_BASE + (n)) 62 63 #define QEMU_PSCI_0_2_FN_PSCI_VERSION QEMU_PSCI_0_2_FN(0) 64 #define QEMU_PSCI_0_2_FN_CPU_SUSPEND QEMU_PSCI_0_2_FN(1) 65 #define QEMU_PSCI_0_2_FN_CPU_OFF QEMU_PSCI_0_2_FN(2) 66 #define QEMU_PSCI_0_2_FN_CPU_ON QEMU_PSCI_0_2_FN(3) 67 #define QEMU_PSCI_0_2_FN_AFFINITY_INFO QEMU_PSCI_0_2_FN(4) 68 #define QEMU_PSCI_0_2_FN_MIGRATE QEMU_PSCI_0_2_FN(5) 69 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE QEMU_PSCI_0_2_FN(6) 70 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU QEMU_PSCI_0_2_FN(7) 71 #define QEMU_PSCI_0_2_FN_SYSTEM_OFF QEMU_PSCI_0_2_FN(8) 72 #define QEMU_PSCI_0_2_FN_SYSTEM_RESET QEMU_PSCI_0_2_FN(9) 73 74 #define QEMU_PSCI_0_2_FN64_CPU_SUSPEND QEMU_PSCI_0_2_FN64(1) 75 #define QEMU_PSCI_0_2_FN64_CPU_OFF QEMU_PSCI_0_2_FN64(2) 76 #define QEMU_PSCI_0_2_FN64_CPU_ON QEMU_PSCI_0_2_FN64(3) 77 #define QEMU_PSCI_0_2_FN64_AFFINITY_INFO QEMU_PSCI_0_2_FN64(4) 78 #define QEMU_PSCI_0_2_FN64_MIGRATE QEMU_PSCI_0_2_FN64(5) 79 80 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_SUSPEND, PSCI_0_2_FN_CPU_SUSPEND); 81 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_OFF, PSCI_0_2_FN_CPU_OFF); 82 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_ON, PSCI_0_2_FN_CPU_ON); 83 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_MIGRATE, PSCI_0_2_FN_MIGRATE); 84 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_SUSPEND, PSCI_0_2_FN64_CPU_SUSPEND); 85 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_ON, PSCI_0_2_FN64_CPU_ON); 86 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_MIGRATE, PSCI_0_2_FN64_MIGRATE); 87 88 /* PSCI v0.2 return values used by TCG emulation of PSCI */ 89 90 /* No Trusted OS migration to worry about when offlining CPUs */ 91 #define QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED 2 92 93 /* We implement version 0.2 only */ 94 #define QEMU_PSCI_0_2_RET_VERSION_0_2 2 95 96 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED, PSCI_0_2_TOS_MP); 97 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_VERSION_0_2, 98 (PSCI_VERSION_MAJOR(0) | PSCI_VERSION_MINOR(2))); 99 100 /* PSCI return values (inclusive of all PSCI versions) */ 101 #define QEMU_PSCI_RET_SUCCESS 0 102 #define QEMU_PSCI_RET_NOT_SUPPORTED -1 103 #define QEMU_PSCI_RET_INVALID_PARAMS -2 104 #define QEMU_PSCI_RET_DENIED -3 105 #define QEMU_PSCI_RET_ALREADY_ON -4 106 #define QEMU_PSCI_RET_ON_PENDING -5 107 #define QEMU_PSCI_RET_INTERNAL_FAILURE -6 108 #define QEMU_PSCI_RET_NOT_PRESENT -7 109 #define QEMU_PSCI_RET_DISABLED -8 110 111 MISMATCH_CHECK(QEMU_PSCI_RET_SUCCESS, PSCI_RET_SUCCESS); 112 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_SUPPORTED, PSCI_RET_NOT_SUPPORTED); 113 MISMATCH_CHECK(QEMU_PSCI_RET_INVALID_PARAMS, PSCI_RET_INVALID_PARAMS); 114 MISMATCH_CHECK(QEMU_PSCI_RET_DENIED, PSCI_RET_DENIED); 115 MISMATCH_CHECK(QEMU_PSCI_RET_ALREADY_ON, PSCI_RET_ALREADY_ON); 116 MISMATCH_CHECK(QEMU_PSCI_RET_ON_PENDING, PSCI_RET_ON_PENDING); 117 MISMATCH_CHECK(QEMU_PSCI_RET_INTERNAL_FAILURE, PSCI_RET_INTERNAL_FAILURE); 118 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_PRESENT, PSCI_RET_NOT_PRESENT); 119 MISMATCH_CHECK(QEMU_PSCI_RET_DISABLED, PSCI_RET_DISABLED); 120 121 /* Note that KVM uses overlapping values for AArch32 and AArch64 122 * target CPU numbers. AArch32 targets: 123 */ 124 #define QEMU_KVM_ARM_TARGET_CORTEX_A15 0 125 #define QEMU_KVM_ARM_TARGET_CORTEX_A7 1 126 127 /* AArch64 targets: */ 128 #define QEMU_KVM_ARM_TARGET_AEM_V8 0 129 #define QEMU_KVM_ARM_TARGET_FOUNDATION_V8 1 130 #define QEMU_KVM_ARM_TARGET_CORTEX_A57 2 131 #define QEMU_KVM_ARM_TARGET_XGENE_POTENZA 3 132 #define QEMU_KVM_ARM_TARGET_CORTEX_A53 4 133 134 /* There's no kernel define for this: sentinel value which 135 * matches no KVM target value for either 64 or 32 bit 136 */ 137 #define QEMU_KVM_ARM_TARGET_NONE UINT_MAX 138 139 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_AEM_V8, KVM_ARM_TARGET_AEM_V8); 140 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_FOUNDATION_V8, KVM_ARM_TARGET_FOUNDATION_V8); 141 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A57, KVM_ARM_TARGET_CORTEX_A57); 142 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_XGENE_POTENZA, KVM_ARM_TARGET_XGENE_POTENZA); 143 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53); 144 145 #define CP_REG_ARM64 0x6000000000000000ULL 146 #define CP_REG_ARM_COPROC_MASK 0x000000000FFF0000 147 #define CP_REG_ARM_COPROC_SHIFT 16 148 #define CP_REG_ARM64_SYSREG (0x0013 << CP_REG_ARM_COPROC_SHIFT) 149 #define CP_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 150 #define CP_REG_ARM64_SYSREG_OP0_SHIFT 14 151 #define CP_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 152 #define CP_REG_ARM64_SYSREG_OP1_SHIFT 11 153 #define CP_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 154 #define CP_REG_ARM64_SYSREG_CRN_SHIFT 7 155 #define CP_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 156 #define CP_REG_ARM64_SYSREG_CRM_SHIFT 3 157 #define CP_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 158 #define CP_REG_ARM64_SYSREG_OP2_SHIFT 0 159 160 /* No kernel define but it's useful to QEMU */ 161 #define CP_REG_ARM64_SYSREG_CP (CP_REG_ARM64_SYSREG >> CP_REG_ARM_COPROC_SHIFT) 162 163 MISMATCH_CHECK(CP_REG_ARM64, KVM_REG_ARM64); 164 MISMATCH_CHECK(CP_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_MASK); 165 MISMATCH_CHECK(CP_REG_ARM_COPROC_SHIFT, KVM_REG_ARM_COPROC_SHIFT); 166 MISMATCH_CHECK(CP_REG_ARM64_SYSREG, KVM_REG_ARM64_SYSREG); 167 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_MASK, KVM_REG_ARM64_SYSREG_OP0_MASK); 168 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_SHIFT, KVM_REG_ARM64_SYSREG_OP0_SHIFT); 169 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_MASK, KVM_REG_ARM64_SYSREG_OP1_MASK); 170 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_SHIFT, KVM_REG_ARM64_SYSREG_OP1_SHIFT); 171 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_MASK, KVM_REG_ARM64_SYSREG_CRN_MASK); 172 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_SHIFT, KVM_REG_ARM64_SYSREG_CRN_SHIFT); 173 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_MASK, KVM_REG_ARM64_SYSREG_CRM_MASK); 174 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_SHIFT, KVM_REG_ARM64_SYSREG_CRM_SHIFT); 175 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_MASK, KVM_REG_ARM64_SYSREG_OP2_MASK); 176 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_SHIFT, KVM_REG_ARM64_SYSREG_OP2_SHIFT); 177 178 #undef MISMATCH_CHECK 179 180 #endif 181