/* * 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 "qemu/compiler.h" #include <linux/kvm.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 PSCI_FN_BASE 0x95c1ba5e #define PSCI_FN(n) (PSCI_FN_BASE + (n)) #define PSCI_FN_CPU_SUSPEND PSCI_FN(0) #define PSCI_FN_CPU_OFF PSCI_FN(1) #define PSCI_FN_CPU_ON PSCI_FN(2) #define PSCI_FN_MIGRATE PSCI_FN(3) MISMATCH_CHECK(PSCI_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND) MISMATCH_CHECK(PSCI_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF) MISMATCH_CHECK(PSCI_FN_CPU_ON, KVM_PSCI_FN_CPU_ON) MISMATCH_CHECK(PSCI_FN_MIGRATE, KVM_PSCI_FN_MIGRATE) /* 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 /* 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) #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