David 'Digit' Turner | 8512548 | 2014-01-14 14:08:54 +0100 | [diff] [blame] | 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 "qemu/compiler.h" |
| 19 | #include <linux/kvm.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 | |
| 33 | MISMATCH_CHECK(CP_REG_SIZE_SHIFT, KVM_REG_SIZE_SHIFT) |
| 34 | MISMATCH_CHECK(CP_REG_SIZE_MASK, KVM_REG_SIZE_MASK) |
| 35 | MISMATCH_CHECK(CP_REG_SIZE_U32, KVM_REG_SIZE_U32) |
| 36 | MISMATCH_CHECK(CP_REG_SIZE_U64, KVM_REG_SIZE_U64) |
| 37 | MISMATCH_CHECK(CP_REG_ARM, KVM_REG_ARM) |
| 38 | |
| 39 | #define PSCI_FN_BASE 0x95c1ba5e |
| 40 | #define PSCI_FN(n) (PSCI_FN_BASE + (n)) |
| 41 | #define PSCI_FN_CPU_SUSPEND PSCI_FN(0) |
| 42 | #define PSCI_FN_CPU_OFF PSCI_FN(1) |
| 43 | #define PSCI_FN_CPU_ON PSCI_FN(2) |
| 44 | #define PSCI_FN_MIGRATE PSCI_FN(3) |
| 45 | |
| 46 | MISMATCH_CHECK(PSCI_FN_CPU_SUSPEND, KVM_PSCI_FN_CPU_SUSPEND) |
| 47 | MISMATCH_CHECK(PSCI_FN_CPU_OFF, KVM_PSCI_FN_CPU_OFF) |
| 48 | MISMATCH_CHECK(PSCI_FN_CPU_ON, KVM_PSCI_FN_CPU_ON) |
| 49 | MISMATCH_CHECK(PSCI_FN_MIGRATE, KVM_PSCI_FN_MIGRATE) |
| 50 | |
| 51 | #define QEMU_KVM_ARM_TARGET_CORTEX_A15 0 |
| 52 | |
| 53 | /* There's no kernel define for this: sentinel value which |
| 54 | * matches no KVM target value for either 64 or 32 bit |
| 55 | */ |
| 56 | #define QEMU_KVM_ARM_TARGET_NONE UINT_MAX |
| 57 | |
| 58 | #ifndef TARGET_AARCH64 |
| 59 | MISMATCH_CHECK(QEMU_KVM_ARM_TARGET_CORTEX_A15, KVM_ARM_TARGET_CORTEX_A15) |
| 60 | #endif |
| 61 | |
| 62 | #undef MISMATCH_CHECK |
| 63 | |
| 64 | #endif |