From e7708d6292c02a2aa8625804ce7b7c2037ed8e6b Mon Sep 17 00:00:00 2001 From: Tirumalesh Chalamarla Date: Fri, 26 Jun 2015 12:51:24 -0700 Subject: [PATCH] arm64: KVM: Enable minimalistic support for Thunder In order to allow KVM to run on Thunder implementations, add the minimal support required. Signed-off-by: Tirumalesh Chalamarla Signed-off-by: Robert Richter Signed-off-by: Vadim Lomovtsev --- arch/arm64/include/uapi/asm/kvm.h | 3 ++- arch/arm64/kvm/guest.c | 6 ++++++ arch/arm64/kvm/sys_regs_generic_v8.c | 2 ++ 3 files changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index d26832022127..6c4c55672a73 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -59,8 +59,9 @@ struct kvm_regs { #define KVM_ARM_TARGET_CORTEX_A57 2 #define KVM_ARM_TARGET_XGENE_POTENZA 3 #define KVM_ARM_TARGET_CORTEX_A53 4 +#define KVM_ARM_TARGET_CAVIUM_THUNDER 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 diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 9535bd555d1d..18a26e1a5a85 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -291,6 +291,12 @@ int __attribute_const__ kvm_target_cpu(void) return KVM_ARM_TARGET_XGENE_POTENZA; }; break; + case ARM_CPU_IMP_CAVIUM: + switch (part_number) { + case CAVIUM_CPU_PART_THUNDERX: + return KVM_ARM_TARGET_CAVIUM_THUNDER; + }; + break; }; return -EINVAL; diff --git a/arch/arm64/kvm/sys_regs_generic_v8.c b/arch/arm64/kvm/sys_regs_generic_v8.c index 475fd2929310..0e48ee8f51d5 100644 --- a/arch/arm64/kvm/sys_regs_generic_v8.c +++ b/arch/arm64/kvm/sys_regs_generic_v8.c @@ -94,6 +94,8 @@ static int __init sys_reg_genericv8_init(void) &genericv8_target_table); kvm_register_target_sys_reg_table(KVM_ARM_TARGET_XGENE_POTENZA, &genericv8_target_table); + kvm_register_target_sys_reg_table(KVM_ARM_TARGET_CAVIUM_THUNDER, + &genericv8_target_table); return 0; } -- 2.39.5