diff options
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/kvm_host.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index fb264d8695e4..1dc0dca15cbd 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -360,6 +360,7 @@ struct kvm_mips_tlb { }; #define KVM_MIPS_FPU_FPU 0x1 +#define KVM_MIPS_FPU_MSA 0x2 #define KVM_MIPS_GUEST_TLB_SIZE 64 struct kvm_vcpu_arch { @@ -432,6 +433,7 @@ struct kvm_vcpu_arch { int wait; u8 fpu_enabled; + u8 msa_enabled; }; @@ -576,6 +578,18 @@ static inline bool kvm_mips_guest_has_fpu(struct kvm_vcpu_arch *vcpu) kvm_read_c0_guest_config1(vcpu->cop0) & MIPS_CONF1_FP; } +static inline bool kvm_mips_guest_can_have_msa(struct kvm_vcpu_arch *vcpu) +{ + return (!__builtin_constant_p(cpu_has_msa) || cpu_has_msa) && + vcpu->msa_enabled; +} + +static inline bool kvm_mips_guest_has_msa(struct kvm_vcpu_arch *vcpu) +{ + return kvm_mips_guest_can_have_msa(vcpu) && + kvm_read_c0_guest_config3(vcpu->cop0) & MIPS_CONF3_MSA; +} + struct kvm_mips_callbacks { int (*handle_cop_unusable)(struct kvm_vcpu *vcpu); int (*handle_tlb_mod)(struct kvm_vcpu *vcpu); @@ -619,11 +633,16 @@ int kvm_arch_vcpu_dump_regs(struct kvm_vcpu *vcpu); /* Trampoline ASM routine to start running in "Guest" context */ extern int __kvm_mips_vcpu_run(struct kvm_run *run, struct kvm_vcpu *vcpu); -/* FPU context management */ +/* FPU/MSA context management */ void __kvm_save_fpu(struct kvm_vcpu_arch *vcpu); void __kvm_restore_fpu(struct kvm_vcpu_arch *vcpu); void __kvm_restore_fcsr(struct kvm_vcpu_arch *vcpu); +void __kvm_save_msa(struct kvm_vcpu_arch *vcpu); +void __kvm_restore_msa(struct kvm_vcpu_arch *vcpu); +void __kvm_restore_msa_upper(struct kvm_vcpu_arch *vcpu); +void __kvm_restore_msacsr(struct kvm_vcpu_arch *vcpu); void kvm_own_fpu(struct kvm_vcpu *vcpu); +void kvm_own_msa(struct kvm_vcpu *vcpu); void kvm_drop_fpu(struct kvm_vcpu *vcpu); void kvm_lose_fpu(struct kvm_vcpu *vcpu); |