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Diffstat (limited to 'src/target-arm/kvm-consts.h')
| -rw-r--r-- | src/target-arm/kvm-consts.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/target-arm/kvm-consts.h b/src/target-arm/kvm-consts.h new file mode 100644 index 0000000..943bf89 --- /dev/null +++ b/src/target-arm/kvm-consts.h @@ -0,0 +1,186 @@ +/* + * 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> +#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 |
