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 #define MISMATCH_CHECK(X, Y) 25 #endif 26 27 #define CP_REG_SIZE_SHIFT 52 28 #define CP_REG_SIZE_MASK 0x00f0000000000000ULL 29 #define CP_REG_SIZE_U32 0x0020000000000000ULL 30 #define CP_REG_SIZE_U64 0x0030000000000000ULL 31 #define CP_REG_ARM 0x4000000000000000ULL 32 #define CP_REG_ARCH_MASK 0xff00000000000000ULL 33 34 MISMATCH_CHECK(CP_REG_SIZE_SHIFT, KVM_REG_SIZE_SHIFT) 35 MISMATCH_CHECK(CP_REG_SIZE_MASK, KVM_REG_SIZE_MASK) 36 MISMATCH_CHECK(CP_REG_SIZE_U32, KVM_REG_SIZE_U32) 37 MISMATCH_CHECK(CP_REG_SIZE_U64, KVM_REG_SIZE_U64) 38 MISMATCH_CHECK(CP_REG_ARM, KVM_REG_ARM) 39 MISMATCH_CHECK(CP_REG_ARCH_MASK, KVM_REG_ARCH_MASK) 40 41 #define QEMU_PSCI_0_1_FN_BASE 0x95c1ba5e 42 #define QEMU_PSCI_0_1_FN(n) (QEMU_PSCI_0_1_FN_BASE + (n)) 43 #define QEMU_PSCI_0_1_FN_CPU_SUSPEND QEMU_PSCI_0_1_FN(0) 44 #define QEMU_PSCI_0_1_FN_CPU_OFF QEMU_PSCI_0_1_FN(1) 45 #define QEMU_PSCI_0_1_FN_CPU_ON QEMU_PSCI_0_1_FN(2) 46 #define QEMU_PSCI_0_1_FN_MIGRATE QEMU_PSCI_0_1_FN(3) 47 48 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND) 49 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF) 50 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_ON, KVM_PSCI_FN_CPU_ON) 51 MISMATCH_CHECK(QEMU_PSCI_0_1_FN_MIGRATE, KVM_PSCI_FN_MIGRATE) 52 53 #define QEMU_PSCI_0_2_FN_BASE 0x84000000 54 #define QEMU_PSCI_0_2_FN(n) (QEMU_PSCI_0_2_FN_BASE + (n)) 55 56 #define QEMU_PSCI_0_2_64BIT 0x40000000 57 #define QEMU_PSCI_0_2_FN64_BASE \ 58 (QEMU_PSCI_0_2_FN_BASE + QEMU_PSCI_0_2_64BIT) 59 #define QEMU_PSCI_0_2_FN64(n) (QEMU_PSCI_0_2_FN64_BASE + (n)) 60 61 #define QEMU_PSCI_0_2_FN_PSCI_VERSION QEMU_PSCI_0_2_FN(0) 62 #define QEMU_PSCI_0_2_FN_CPU_SUSPEND QEMU_PSCI_0_2_FN(1) 63 #define QEMU_PSCI_0_2_FN_CPU_OFF QEMU_PSCI_0_2_FN(2) 64 #define QEMU_PSCI_0_2_FN_CPU_ON QEMU_PSCI_0_2_FN(3) 65 #define QEMU_PSCI_0_2_FN_AFFINITY_INFO QEMU_PSCI_0_2_FN(4) 66 #define QEMU_PSCI_0_2_FN_MIGRATE QEMU_PSCI_0_2_FN(5) 67 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE QEMU_PSCI_0_2_FN(6) 68 #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU QEMU_PSCI_0_2_FN(7) 69 #define QEMU_PSCI_0_2_FN_SYSTEM_OFF QEMU_PSCI_0_2_FN(8) 70 #define QEMU_PSCI_0_2_FN_SYSTEM_RESET QEMU_PSCI_0_2_FN(9) 71 72 #define QEMU_PSCI_0_2_FN64_CPU_SUSPEND QEMU_PSCI_0_2_FN64(1) 73 #define QEMU_PSCI_0_2_FN64_CPU_OFF QEMU_PSCI_0_2_FN64(2) 74 #define QEMU_PSCI_0_2_FN64_CPU_ON QEMU_PSCI_0_2_FN64(3) 75 #define QEMU_PSCI_0_2_FN64_AFFINITY_INFO QEMU_PSCI_0_2_FN64(4) 76 #define QEMU_PSCI_0_2_FN64_MIGRATE QEMU_PSCI_0_2_FN64(5) 77 78 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_SUSPEND, PSCI_0_2_FN_CPU_SUSPEND) 79 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_OFF, PSCI_0_2_FN_CPU_OFF) 80 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_ON, PSCI_0_2_FN_CPU_ON) 81 MISMATCH_CHECK(QEMU_PSCI_0_2_FN_MIGRATE, PSCI_0_2_FN_MIGRATE) 82 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_SUSPEND, PSCI_0_2_FN64_CPU_SUSPEND) 83 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_ON, PSCI_0_2_FN64_CPU_ON) 84 MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_MIGRATE, PSCI_0_2_FN64_MIGRATE) 85 86 /* PSCI v0.2 return values used by TCG emulation of PSCI */ 87 88 /* No Trusted OS migration to worry about when offlining CPUs */ 89 #define QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED 2 90 91 /* We implement version 0.2 only */ 92 #define QEMU_PSCI_0_2_RET_VERSION_0_2 2 93 94 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED, PSCI_0_2_TOS_MP) 95 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_VERSION_0_2, 96 (PSCI_VERSION_MAJOR(0) | PSCI_VERSION_MINOR(2))) 97 98 /* PSCI return values (inclusive of all PSCI versions) */ 99 #define QEMU_PSCI_RET_SUCCESS 0 100 #define QEMU_PSCI_RET_NOT_SUPPORTED -1 101 #define QEMU_PSCI_RET_INVALID_PARAMS -2 102 #define QEMU_PSCI_RET_DENIED -3 103 #define QEMU_PSCI_RET_ALREADY_ON -4 104 #define QEMU_PSCI_RET_ON_PENDING -5 105 #define QEMU_PSCI_RET_INTERNAL_FAILURE -6 106 #define QEMU_PSCI_RET_NOT_PRESENT -7 107 #define QEMU_PSCI_RET_DISABLED -8 108 109 MISMATCH_CHECK(QEMU_PSCI_RET_SUCCESS, PSCI_RET_SUCCESS) 110 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_SUPPORTED, PSCI_RET_NOT_SUPPORTED) 111 MISMATCH_CHECK(QEMU_PSCI_RET_INVALID_PARAMS, PSCI_RET_INVALID_PARAMS) 112 MISMATCH_CHECK(QEMU_PSCI_RET_DENIED, PSCI_RET_DENIED) 113 MISMATCH_CHECK(QEMU_PSCI_RET_ALREADY_ON, PSCI_RET_ALREADY_ON) 114 MISMATCH_CHECK(QEMU_PSCI_RET_ON_PENDING, PSCI_RET_ON_PENDING) 115 MISMATCH_CHECK(QEMU_PSCI_RET_INTERNAL_FAILURE, PSCI_RET_INTERNAL_FAILURE) 116 MISMATCH_CHECK(QEMU_PSCI_RET_NOT_PRESENT, PSCI_RET_NOT_PRESENT) 117 MISMATCH_CHECK(QEMU_PSCI_RET_DISABLED, PSCI_RET_DISABLED) 118 119 /* Note that KVM uses overlapping values for AArch32 and AArch64 120 * target CPU numbers. AArch32 targets: 121 */ 122 #define QEMU_KVM_ARM_TARGET_CORTEX_A15 0 123 #define QEMU_KVM_ARM_TARGET_CORTEX_A7 1 124 125 /* AArch64 targets: */ 126 #define QEMU_KVM_ARM_TARGET_AEM_V8 0 127 #define QEMU_KVM_ARM_TARGET_FOUNDATION_V8 1 128 #define QEMU_KVM_ARM_TARGET_CORTEX_A57 2 129 #define QEMU_KVM_ARM_TARGET_XGENE_POTENZA 3 130 #define QEMU_KVM_ARM_TARGET_CORTEX_A53 4 131 132 /* There's no kernel define for this: sentinel value which 133 * matches no KVM target value for either 64 or 32 bit 134 */ 135 #define QEMU_KVM_ARM_TARGET_NONE UINT_MAX 136 137 #ifdef TARGET_AARCH64 138 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_AEM_V8, KVM_ARM_TARGET_AEM_V8) 139 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_FOUNDATION_V8, KVM_ARM_TARGET_FOUNDATION_V8) 140 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A57, KVM_ARM_TARGET_CORTEX_A57) 141 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_XGENE_POTENZA, KVM_ARM_TARGET_XGENE_POTENZA) 142 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53) 143 #else 144 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A15, KVM_ARM_TARGET_CORTEX_A15) 145 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A7, KVM_ARM_TARGET_CORTEX_A7) 146 #endif 147 148 #define CP_REG_ARM64 0x6000000000000000ULL 149 #define CP_REG_ARM_COPROC_MASK 0x000000000FFF0000 150 #define CP_REG_ARM_COPROC_SHIFT 16 151 #define CP_REG_ARM64_SYSREG (0x0013 << CP_REG_ARM_COPROC_SHIFT) 152 #define CP_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 153 #define CP_REG_ARM64_SYSREG_OP0_SHIFT 14 154 #define CP_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 155 #define CP_REG_ARM64_SYSREG_OP1_SHIFT 11 156 #define CP_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 157 #define CP_REG_ARM64_SYSREG_CRN_SHIFT 7 158 #define CP_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 159 #define CP_REG_ARM64_SYSREG_CRM_SHIFT 3 160 #define CP_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 161 #define CP_REG_ARM64_SYSREG_OP2_SHIFT 0 162 163 /* No kernel define but it's useful to QEMU */ 164 #define CP_REG_ARM64_SYSREG_CP (CP_REG_ARM64_SYSREG >> CP_REG_ARM_COPROC_SHIFT) 165 166 #ifdef TARGET_AARCH64 167 MISMATCH_CHECK(CP_REG_ARM64, KVM_REG_ARM64) 168 MISMATCH_CHECK(CP_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_MASK) 169 MISMATCH_CHECK(CP_REG_ARM_COPROC_SHIFT, KVM_REG_ARM_COPROC_SHIFT) 170 MISMATCH_CHECK(CP_REG_ARM64_SYSREG, KVM_REG_ARM64_SYSREG) 171 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_MASK, KVM_REG_ARM64_SYSREG_OP0_MASK) 172 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_SHIFT, KVM_REG_ARM64_SYSREG_OP0_SHIFT) 173 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_MASK, KVM_REG_ARM64_SYSREG_OP1_MASK) 174 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_SHIFT, KVM_REG_ARM64_SYSREG_OP1_SHIFT) 175 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_MASK, KVM_REG_ARM64_SYSREG_CRN_MASK) 176 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_SHIFT, KVM_REG_ARM64_SYSREG_CRN_SHIFT) 177 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_MASK, KVM_REG_ARM64_SYSREG_CRM_MASK) 178 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_SHIFT, KVM_REG_ARM64_SYSREG_CRM_SHIFT) 179 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_MASK, KVM_REG_ARM64_SYSREG_OP2_MASK) 180 MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_SHIFT, KVM_REG_ARM64_SYSREG_OP2_SHIFT) 181 #endif 182 183 #undef MISMATCH_CHECK 184 185 #endif 186