/* * KVM ARM ABI constant definitions * * Copyright (c) 2013 Linaro Limited * * Provide versions of KVM constant defines that can be used even * when CONFIG_KVM is not set and we don't have access to the * KVM headers. If CONFIG_KVM is set, we do a compile-time check * that we haven't got out of sync somehow. * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #ifndef ARM_KVM_CONSTS_H #define ARM_KVM_CONSTS_H #ifdef CONFIG_KVM #include <linux/kvm.h> #include <linux/psci.h> #define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(X != Y) #else #define MISMATCH_CHECK(X, Y) #endif #define CP_REG_SIZE_SHIFT 52 #define CP_REG_SIZE_MASK 0x00f0000000000000ULL #define CP_REG_SIZE_U32 0x0020000000000000ULL #define CP_REG_SIZE_U64 0x0030000000000000ULL #define CP_REG_ARM 0x4000000000000000ULL #define CP_REG_ARCH_MASK 0xff00000000000000ULL MISMATCH_CHECK(CP_REG_SIZE_SHIFT, KVM_REG_SIZE_SHIFT) MISMATCH_CHECK(CP_REG_SIZE_MASK, KVM_REG_SIZE_MASK) MISMATCH_CHECK(CP_REG_SIZE_U32, KVM_REG_SIZE_U32) MISMATCH_CHECK(CP_REG_SIZE_U64, KVM_REG_SIZE_U64) MISMATCH_CHECK(CP_REG_ARM, KVM_REG_ARM) MISMATCH_CHECK(CP_REG_ARCH_MASK, KVM_REG_ARCH_MASK) #define QEMU_PSCI_0_1_FN_BASE 0x95c1ba5e #define QEMU_PSCI_0_1_FN(n) (QEMU_PSCI_0_1_FN_BASE + (n)) #define QEMU_PSCI_0_1_FN_CPU_SUSPEND QEMU_PSCI_0_1_FN(0) #define QEMU_PSCI_0_1_FN_CPU_OFF QEMU_PSCI_0_1_FN(1) #define QEMU_PSCI_0_1_FN_CPU_ON QEMU_PSCI_0_1_FN(2) #define QEMU_PSCI_0_1_FN_MIGRATE QEMU_PSCI_0_1_FN(3) MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND) MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF) MISMATCH_CHECK(QEMU_PSCI_0_1_FN_CPU_ON, KVM_PSCI_FN_CPU_ON) MISMATCH_CHECK(QEMU_PSCI_0_1_FN_MIGRATE, KVM_PSCI_FN_MIGRATE) #define QEMU_PSCI_0_2_FN_BASE 0x84000000 #define QEMU_PSCI_0_2_FN(n) (QEMU_PSCI_0_2_FN_BASE + (n)) #define QEMU_PSCI_0_2_64BIT 0x40000000 #define QEMU_PSCI_0_2_FN64_BASE \ (QEMU_PSCI_0_2_FN_BASE + QEMU_PSCI_0_2_64BIT) #define QEMU_PSCI_0_2_FN64(n) (QEMU_PSCI_0_2_FN64_BASE + (n)) #define QEMU_PSCI_0_2_FN_PSCI_VERSION QEMU_PSCI_0_2_FN(0) #define QEMU_PSCI_0_2_FN_CPU_SUSPEND QEMU_PSCI_0_2_FN(1) #define QEMU_PSCI_0_2_FN_CPU_OFF QEMU_PSCI_0_2_FN(2) #define QEMU_PSCI_0_2_FN_CPU_ON QEMU_PSCI_0_2_FN(3) #define QEMU_PSCI_0_2_FN_AFFINITY_INFO QEMU_PSCI_0_2_FN(4) #define QEMU_PSCI_0_2_FN_MIGRATE QEMU_PSCI_0_2_FN(5) #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_TYPE QEMU_PSCI_0_2_FN(6) #define QEMU_PSCI_0_2_FN_MIGRATE_INFO_UP_CPU QEMU_PSCI_0_2_FN(7) #define QEMU_PSCI_0_2_FN_SYSTEM_OFF QEMU_PSCI_0_2_FN(8) #define QEMU_PSCI_0_2_FN_SYSTEM_RESET QEMU_PSCI_0_2_FN(9) #define QEMU_PSCI_0_2_FN64_CPU_SUSPEND QEMU_PSCI_0_2_FN64(1) #define QEMU_PSCI_0_2_FN64_CPU_OFF QEMU_PSCI_0_2_FN64(2) #define QEMU_PSCI_0_2_FN64_CPU_ON QEMU_PSCI_0_2_FN64(3) #define QEMU_PSCI_0_2_FN64_AFFINITY_INFO QEMU_PSCI_0_2_FN64(4) #define QEMU_PSCI_0_2_FN64_MIGRATE QEMU_PSCI_0_2_FN64(5) MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_SUSPEND, PSCI_0_2_FN_CPU_SUSPEND) MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_OFF, PSCI_0_2_FN_CPU_OFF) MISMATCH_CHECK(QEMU_PSCI_0_2_FN_CPU_ON, PSCI_0_2_FN_CPU_ON) MISMATCH_CHECK(QEMU_PSCI_0_2_FN_MIGRATE, PSCI_0_2_FN_MIGRATE) MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_SUSPEND, PSCI_0_2_FN64_CPU_SUSPEND) MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_CPU_ON, PSCI_0_2_FN64_CPU_ON) MISMATCH_CHECK(QEMU_PSCI_0_2_FN64_MIGRATE, PSCI_0_2_FN64_MIGRATE) /* PSCI v0.2 return values used by TCG emulation of PSCI */ /* No Trusted OS migration to worry about when offlining CPUs */ #define QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED 2 /* We implement version 0.2 only */ #define QEMU_PSCI_0_2_RET_VERSION_0_2 2 MISMATCH_CHECK(QEMU_PSCI_0_2_RET_TOS_MIGRATION_NOT_REQUIRED, PSCI_0_2_TOS_MP) MISMATCH_CHECK(QEMU_PSCI_0_2_RET_VERSION_0_2, (PSCI_VERSION_MAJOR(0) | PSCI_VERSION_MINOR(2))) /* PSCI return values (inclusive of all PSCI versions) */ #define QEMU_PSCI_RET_SUCCESS 0 #define QEMU_PSCI_RET_NOT_SUPPORTED -1 #define QEMU_PSCI_RET_INVALID_PARAMS -2 #define QEMU_PSCI_RET_DENIED -3 #define QEMU_PSCI_RET_ALREADY_ON -4 #define QEMU_PSCI_RET_ON_PENDING -5 #define QEMU_PSCI_RET_INTERNAL_FAILURE -6 #define QEMU_PSCI_RET_NOT_PRESENT -7 #define QEMU_PSCI_RET_DISABLED -8 MISMATCH_CHECK(QEMU_PSCI_RET_SUCCESS, PSCI_RET_SUCCESS) MISMATCH_CHECK(QEMU_PSCI_RET_NOT_SUPPORTED, PSCI_RET_NOT_SUPPORTED) MISMATCH_CHECK(QEMU_PSCI_RET_INVALID_PARAMS, PSCI_RET_INVALID_PARAMS) MISMATCH_CHECK(QEMU_PSCI_RET_DENIED, PSCI_RET_DENIED) MISMATCH_CHECK(QEMU_PSCI_RET_ALREADY_ON, PSCI_RET_ALREADY_ON) MISMATCH_CHECK(QEMU_PSCI_RET_ON_PENDING, PSCI_RET_ON_PENDING) MISMATCH_CHECK(QEMU_PSCI_RET_INTERNAL_FAILURE, PSCI_RET_INTERNAL_FAILURE) MISMATCH_CHECK(QEMU_PSCI_RET_NOT_PRESENT, PSCI_RET_NOT_PRESENT) MISMATCH_CHECK(QEMU_PSCI_RET_DISABLED, PSCI_RET_DISABLED) /* Note that KVM uses overlapping values for AArch32 and AArch64 * target CPU numbers. AArch32 targets: */ #define QEMU_KVM_ARM_TARGET_CORTEX_A15 0 #define QEMU_KVM_ARM_TARGET_CORTEX_A7 1 /* AArch64 targets: */ #define QEMU_KVM_ARM_TARGET_AEM_V8 0 #define QEMU_KVM_ARM_TARGET_FOUNDATION_V8 1 #define QEMU_KVM_ARM_TARGET_CORTEX_A57 2 #define QEMU_KVM_ARM_TARGET_XGENE_POTENZA 3 #define QEMU_KVM_ARM_TARGET_CORTEX_A53 4 /* There's no kernel define for this: sentinel value which * matches no KVM target value for either 64 or 32 bit */ #define QEMU_KVM_ARM_TARGET_NONE UINT_MAX #ifdef TARGET_AARCH64 MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_AEM_V8, KVM_ARM_TARGET_AEM_V8) MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_FOUNDATION_V8, KVM_ARM_TARGET_FOUNDATION_V8) MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A57, KVM_ARM_TARGET_CORTEX_A57) MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_XGENE_POTENZA, KVM_ARM_TARGET_XGENE_POTENZA) MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A53, KVM_ARM_TARGET_CORTEX_A53) #else MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A15, KVM_ARM_TARGET_CORTEX_A15) MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A7, KVM_ARM_TARGET_CORTEX_A7) #endif #define CP_REG_ARM64 0x6000000000000000ULL #define CP_REG_ARM_COPROC_MASK 0x000000000FFF0000 #define CP_REG_ARM_COPROC_SHIFT 16 #define CP_REG_ARM64_SYSREG (0x0013 << CP_REG_ARM_COPROC_SHIFT) #define CP_REG_ARM64_SYSREG_OP0_MASK 0x000000000000c000 #define CP_REG_ARM64_SYSREG_OP0_SHIFT 14 #define CP_REG_ARM64_SYSREG_OP1_MASK 0x0000000000003800 #define CP_REG_ARM64_SYSREG_OP1_SHIFT 11 #define CP_REG_ARM64_SYSREG_CRN_MASK 0x0000000000000780 #define CP_REG_ARM64_SYSREG_CRN_SHIFT 7 #define CP_REG_ARM64_SYSREG_CRM_MASK 0x0000000000000078 #define CP_REG_ARM64_SYSREG_CRM_SHIFT 3 #define CP_REG_ARM64_SYSREG_OP2_MASK 0x0000000000000007 #define CP_REG_ARM64_SYSREG_OP2_SHIFT 0 /* No kernel define but it's useful to QEMU */ #define CP_REG_ARM64_SYSREG_CP (CP_REG_ARM64_SYSREG >> CP_REG_ARM_COPROC_SHIFT) #ifdef TARGET_AARCH64 MISMATCH_CHECK(CP_REG_ARM64, KVM_REG_ARM64) MISMATCH_CHECK(CP_REG_ARM_COPROC_MASK, KVM_REG_ARM_COPROC_MASK) MISMATCH_CHECK(CP_REG_ARM_COPROC_SHIFT, KVM_REG_ARM_COPROC_SHIFT) MISMATCH_CHECK(CP_REG_ARM64_SYSREG, KVM_REG_ARM64_SYSREG) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_MASK, KVM_REG_ARM64_SYSREG_OP0_MASK) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP0_SHIFT, KVM_REG_ARM64_SYSREG_OP0_SHIFT) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_MASK, KVM_REG_ARM64_SYSREG_OP1_MASK) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP1_SHIFT, KVM_REG_ARM64_SYSREG_OP1_SHIFT) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_MASK, KVM_REG_ARM64_SYSREG_CRN_MASK) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRN_SHIFT, KVM_REG_ARM64_SYSREG_CRN_SHIFT) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_MASK, KVM_REG_ARM64_SYSREG_CRM_MASK) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_CRM_SHIFT, KVM_REG_ARM64_SYSREG_CRM_SHIFT) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_MASK, KVM_REG_ARM64_SYSREG_OP2_MASK) MISMATCH_CHECK(CP_REG_ARM64_SYSREG_OP2_SHIFT, KVM_REG_ARM64_SYSREG_OP2_SHIFT) #endif #undef MISMATCH_CHECK #endif