diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /arch/s390/kvm/kvm-s390.h | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
-rw-r--r-- | arch/s390/kvm/kvm-s390.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 8621ab00e..b8432862a 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -56,7 +56,7 @@ static inline int is_vcpu_stopped(struct kvm_vcpu *vcpu) static inline int is_vcpu_idle(struct kvm_vcpu *vcpu) { - return atomic_read(&vcpu->arch.sie_block->cpuflags) & CPUSTAT_WAIT; + return test_bit(vcpu->vcpu_id, vcpu->arch.local_int.float_int->idle_mask); } static inline int kvm_is_ucontrol(struct kvm *kvm) @@ -175,6 +175,12 @@ static inline int set_kvm_facility(u64 *fac_list, unsigned long nr) return 0; } +static inline int test_kvm_cpu_feat(struct kvm *kvm, unsigned long nr) +{ + WARN_ON_ONCE(nr >= KVM_S390_VM_CPU_FEAT_NR_BITS); + return test_bit_inv(nr, kvm->arch.cpu_feat); +} + /* are cpu states controlled by user space */ static inline int kvm_s390_user_cpu_state_ctrl(struct kvm *kvm) { @@ -232,6 +238,8 @@ static inline void kvm_s390_forward_psw(struct kvm_vcpu *vcpu, int ilen) } static inline void kvm_s390_retry_instr(struct kvm_vcpu *vcpu) { + /* don't inject PER events if we re-execute the instruction */ + vcpu->arch.sie_block->icptstatus &= ~0x02; kvm_s390_rewind_psw(vcpu, kvm_s390_get_ilen(vcpu)); } @@ -246,10 +254,21 @@ int kvm_s390_handle_stctl(struct kvm_vcpu *vcpu); int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu); int kvm_s390_handle_eb(struct kvm_vcpu *vcpu); +/* implemented in vsie.c */ +int kvm_s390_handle_vsie(struct kvm_vcpu *vcpu); +void kvm_s390_vsie_kick(struct kvm_vcpu *vcpu); +void kvm_s390_vsie_gmap_notifier(struct gmap *gmap, unsigned long start, + unsigned long end); +void kvm_s390_vsie_init(struct kvm *kvm); +void kvm_s390_vsie_destroy(struct kvm *kvm); + /* implemented in sigp.c */ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu); int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu); +/* implemented in sthyi.c */ +int handle_sthyi(struct kvm_vcpu *vcpu); + /* implemented in kvm-s390.c */ void kvm_s390_set_tod_clock(struct kvm *kvm, u64 tod); long kvm_arch_fault_in_page(struct kvm_vcpu *vcpu, gpa_t gpa, int writable); @@ -360,6 +379,7 @@ int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg); void kvm_s390_clear_bp_data(struct kvm_vcpu *vcpu); void kvm_s390_prepare_debug_exit(struct kvm_vcpu *vcpu); +int kvm_s390_handle_per_ifetch_icpt(struct kvm_vcpu *vcpu); void kvm_s390_handle_per_event(struct kvm_vcpu *vcpu); /* support for Basic/Extended SCA handling */ |