diff options
Diffstat (limited to 'kernel/arch/arm64/include/uapi/asm')
| -rw-r--r-- | kernel/arch/arm64/include/uapi/asm/hwcap.h | 1 | ||||
| -rw-r--r-- | kernel/arch/arm64/include/uapi/asm/kvm.h | 39 | ||||
| -rw-r--r-- | kernel/arch/arm64/include/uapi/asm/ptrace.h | 1 | ||||
| -rw-r--r-- | kernel/arch/arm64/include/uapi/asm/signal.h | 3 |
4 files changed, 41 insertions, 3 deletions
diff --git a/kernel/arch/arm64/include/uapi/asm/hwcap.h b/kernel/arch/arm64/include/uapi/asm/hwcap.h index 73cf0f54d..361c8a8ef 100644 --- a/kernel/arch/arm64/include/uapi/asm/hwcap.h +++ b/kernel/arch/arm64/include/uapi/asm/hwcap.h @@ -27,5 +27,6 @@ #define HWCAP_SHA1 (1 << 5) #define HWCAP_SHA2 (1 << 6) #define HWCAP_CRC32 (1 << 7) +#define HWCAP_ATOMICS (1 << 8) #endif /* _UAPI__ASM_HWCAP_H */ diff --git a/kernel/arch/arm64/include/uapi/asm/kvm.h b/kernel/arch/arm64/include/uapi/asm/kvm.h index d26832022..2d4ca4bb0 100644 --- a/kernel/arch/arm64/include/uapi/asm/kvm.h +++ b/kernel/arch/arm64/include/uapi/asm/kvm.h @@ -32,7 +32,7 @@ #ifndef __ASSEMBLY__ #include <linux/psci.h> -#include <asm/types.h> +#include <linux/types.h> #include <asm/ptrace.h> #define __KVM_HAVE_GUEST_DEBUG @@ -53,14 +53,20 @@ struct kvm_regs { struct user_fpsimd_state fp_regs; }; -/* Supported Processor Types */ +/* + * Supported CPU Targets - Adding a new target type is not recommended, + * unless there are some special registers not supported by the + * genericv8 syreg table. + */ #define KVM_ARM_TARGET_AEM_V8 0 #define KVM_ARM_TARGET_FOUNDATION_V8 1 #define KVM_ARM_TARGET_CORTEX_A57 2 #define KVM_ARM_TARGET_XGENE_POTENZA 3 #define KVM_ARM_TARGET_CORTEX_A53 4 +/* Generic ARM v8 target */ +#define KVM_ARM_TARGET_GENERIC_V8 5 -#define KVM_ARM_NUM_TARGETS 5 +#define KVM_ARM_NUM_TARGETS 6 /* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */ #define KVM_ARM_DEVICE_TYPE_SHIFT 0 @@ -100,12 +106,39 @@ struct kvm_sregs { struct kvm_fpu { }; +/* + * See v8 ARM ARM D7.3: Debug Registers + * + * The architectural limit is 16 debug registers of each type although + * in practice there are usually less (see ID_AA64DFR0_EL1). + * + * Although the control registers are architecturally defined as 32 + * bits wide we use a 64 bit structure here to keep parity with + * KVM_GET/SET_ONE_REG behaviour which treats all system registers as + * 64 bit values. It also allows for the possibility of the + * architecture expanding the control registers without having to + * change the userspace ABI. + */ +#define KVM_ARM_MAX_DBG_REGS 16 struct kvm_guest_debug_arch { + __u64 dbg_bcr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_bvr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_wcr[KVM_ARM_MAX_DBG_REGS]; + __u64 dbg_wvr[KVM_ARM_MAX_DBG_REGS]; }; struct kvm_debug_exit_arch { + __u32 hsr; + __u64 far; /* used for watchpoints */ }; +/* + * Architecture specific defines for kvm_guest_debug->control + */ + +#define KVM_GUESTDBG_USE_SW_BP (1 << 16) +#define KVM_GUESTDBG_USE_HW (1 << 17) + struct kvm_sync_regs { }; diff --git a/kernel/arch/arm64/include/uapi/asm/ptrace.h b/kernel/arch/arm64/include/uapi/asm/ptrace.h index 6913643bb..208db3df1 100644 --- a/kernel/arch/arm64/include/uapi/asm/ptrace.h +++ b/kernel/arch/arm64/include/uapi/asm/ptrace.h @@ -44,6 +44,7 @@ #define PSR_I_BIT 0x00000080 #define PSR_A_BIT 0x00000100 #define PSR_D_BIT 0x00000200 +#define PSR_PAN_BIT 0x00400000 #define PSR_Q_BIT 0x08000000 #define PSR_V_BIT 0x10000000 #define PSR_C_BIT 0x20000000 diff --git a/kernel/arch/arm64/include/uapi/asm/signal.h b/kernel/arch/arm64/include/uapi/asm/signal.h index 8d1e72364..991bf5db2 100644 --- a/kernel/arch/arm64/include/uapi/asm/signal.h +++ b/kernel/arch/arm64/include/uapi/asm/signal.h @@ -19,6 +19,9 @@ /* Required for AArch32 compatibility. */ #define SA_RESTORER 0x04000000 +#define MINSIGSTKSZ 5120 +#define SIGSTKSZ 16384 + #include <asm-generic/signal.h> #endif |