Lines Matching full:vcpu
21 static int diag_release_pages(struct kvm_vcpu *vcpu) in diag_release_pages() argument
24 unsigned long prefix = kvm_s390_get_prefix(vcpu); in diag_release_pages()
26 start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; in diag_release_pages()
27 end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + PAGE_SIZE; in diag_release_pages()
28 vcpu->stat.diagnose_10++; in diag_release_pages()
32 return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); in diag_release_pages()
34 VCPU_EVENT(vcpu, 5, "diag release pages %lX %lX", start, end); in diag_release_pages()
41 gmap_discard(vcpu->arch.gmap, start, end); in diag_release_pages()
49 gmap_discard(vcpu->arch.gmap, start, prefix); in diag_release_pages()
51 gmap_discard(vcpu->arch.gmap, 0, PAGE_SIZE); in diag_release_pages()
53 gmap_discard(vcpu->arch.gmap, PAGE_SIZE, 2 * PAGE_SIZE); in diag_release_pages()
54 gmap_discard(vcpu->arch.gmap, prefix + 2 * PAGE_SIZE, end); in diag_release_pages()
59 static int __diag_page_ref_service(struct kvm_vcpu *vcpu) in __diag_page_ref_service() argument
73 u16 rx = (vcpu->arch.sie_block->ipa & 0xf0) >> 4; in __diag_page_ref_service()
74 u16 ry = (vcpu->arch.sie_block->ipa & 0x0f); in __diag_page_ref_service()
76 VCPU_EVENT(vcpu, 3, "diag page reference parameter block at 0x%llx", in __diag_page_ref_service()
77 vcpu->run->s.regs.gprs[rx]); in __diag_page_ref_service()
78 vcpu->stat.diagnose_258++; in __diag_page_ref_service()
79 if (vcpu->run->s.regs.gprs[rx] & 7) in __diag_page_ref_service()
80 return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); in __diag_page_ref_service()
81 rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); in __diag_page_ref_service()
83 return kvm_s390_inject_prog_cond(vcpu, rc); in __diag_page_ref_service()
85 return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); in __diag_page_ref_service()
89 VCPU_EVENT(vcpu, 3, "pageref token addr 0x%llx " in __diag_page_ref_service()
92 if (vcpu->arch.pfault_token != KVM_S390_PFAULT_TOKEN_INVALID) { in __diag_page_ref_service()
98 vcpu->run->s.regs.gprs[ry] = 8; in __diag_page_ref_service()
104 return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); in __diag_page_ref_service()
106 if (kvm_is_error_gpa(vcpu->kvm, parm.token_addr)) in __diag_page_ref_service()
107 return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); in __diag_page_ref_service()
109 vcpu->arch.pfault_token = parm.token_addr; in __diag_page_ref_service()
110 vcpu->arch.pfault_select = parm.select_mask; in __diag_page_ref_service()
111 vcpu->arch.pfault_compare = parm.compare_mask; in __diag_page_ref_service()
112 vcpu->run->s.regs.gprs[ry] = 0; in __diag_page_ref_service()
121 VCPU_EVENT(vcpu, 3, "pageref cancel addr 0x%llx", parm.token_addr); in __diag_page_ref_service()
124 return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); in __diag_page_ref_service()
126 vcpu->run->s.regs.gprs[ry] = 0; in __diag_page_ref_service()
131 if (vcpu->arch.pfault_token == KVM_S390_PFAULT_TOKEN_INVALID) in __diag_page_ref_service()
132 vcpu->run->s.regs.gprs[ry] = 4; in __diag_page_ref_service()
134 vcpu->arch.pfault_token = KVM_S390_PFAULT_TOKEN_INVALID; in __diag_page_ref_service()
146 static int __diag_time_slice_end(struct kvm_vcpu *vcpu) in __diag_time_slice_end() argument
148 VCPU_EVENT(vcpu, 5, "%s", "diag time slice end"); in __diag_time_slice_end()
149 vcpu->stat.diagnose_44++; in __diag_time_slice_end()
150 kvm_vcpu_on_spin(vcpu, true); in __diag_time_slice_end()
154 static int __diag_time_slice_end_directed(struct kvm_vcpu *vcpu) in __diag_time_slice_end_directed() argument
159 tid = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4]; in __diag_time_slice_end_directed()
160 vcpu->stat.diagnose_9c++; in __diag_time_slice_end_directed()
161 VCPU_EVENT(vcpu, 5, "diag time slice end directed to %d", tid); in __diag_time_slice_end_directed()
163 if (tid == vcpu->vcpu_id) in __diag_time_slice_end_directed()
166 tcpu = kvm_get_vcpu_by_id(vcpu->kvm, tid); in __diag_time_slice_end_directed()
172 static int __diag_ipl_functions(struct kvm_vcpu *vcpu) in __diag_ipl_functions() argument
174 unsigned int reg = vcpu->arch.sie_block->ipa & 0xf; in __diag_ipl_functions()
175 unsigned long subcode = vcpu->run->s.regs.gprs[reg] & 0xffff; in __diag_ipl_functions()
177 VCPU_EVENT(vcpu, 3, "diag ipl functions, subcode %lx", subcode); in __diag_ipl_functions()
178 vcpu->stat.diagnose_308++; in __diag_ipl_functions()
181 vcpu->run->s390_reset_flags = KVM_S390_RESET_CLEAR; in __diag_ipl_functions()
184 vcpu->run->s390_reset_flags = 0; in __diag_ipl_functions()
190 if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) in __diag_ipl_functions()
191 kvm_s390_vcpu_stop(vcpu); in __diag_ipl_functions()
192 vcpu->run->s390_reset_flags |= KVM_S390_RESET_SUBSYSTEM; in __diag_ipl_functions()
193 vcpu->run->s390_reset_flags |= KVM_S390_RESET_IPL; in __diag_ipl_functions()
194 vcpu->run->s390_reset_flags |= KVM_S390_RESET_CPU_INIT; in __diag_ipl_functions()
195 vcpu->run->exit_reason = KVM_EXIT_S390_RESET; in __diag_ipl_functions()
196 VCPU_EVENT(vcpu, 3, "requesting userspace resets %llx", in __diag_ipl_functions()
197 vcpu->run->s390_reset_flags); in __diag_ipl_functions()
198 trace_kvm_s390_request_resets(vcpu->run->s390_reset_flags); in __diag_ipl_functions()
202 static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu) in __diag_virtio_hypercall() argument
206 vcpu->stat.diagnose_500++; in __diag_virtio_hypercall()
208 if (!vcpu->kvm->arch.css_support || in __diag_virtio_hypercall()
209 (vcpu->run->s.regs.gprs[1] != KVM_S390_VIRTIO_CCW_NOTIFY)) in __diag_virtio_hypercall()
212 VCPU_EVENT(vcpu, 4, "diag 0x500 schid 0x%8.8x queue 0x%x cookie 0x%llx", in __diag_virtio_hypercall()
213 (u32) vcpu->run->s.regs.gprs[2], in __diag_virtio_hypercall()
214 (u32) vcpu->run->s.regs.gprs[3], in __diag_virtio_hypercall()
215 vcpu->run->s.regs.gprs[4]); in __diag_virtio_hypercall()
223 ret = kvm_io_bus_write_cookie(vcpu, KVM_VIRTIO_CCW_NOTIFY_BUS, in __diag_virtio_hypercall()
224 vcpu->run->s.regs.gprs[2] & 0xffffffff, in __diag_virtio_hypercall()
225 8, &vcpu->run->s.regs.gprs[3], in __diag_virtio_hypercall()
226 vcpu->run->s.regs.gprs[4]); in __diag_virtio_hypercall()
233 vcpu->run->s.regs.gprs[2] = ret; in __diag_virtio_hypercall()
238 int kvm_s390_handle_diag(struct kvm_vcpu *vcpu) in kvm_s390_handle_diag() argument
240 int code = kvm_s390_get_base_disp_rs(vcpu, NULL) & 0xffff; in kvm_s390_handle_diag()
242 if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) in kvm_s390_handle_diag()
243 return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP); in kvm_s390_handle_diag()
245 trace_kvm_s390_handle_diag(vcpu, code); in kvm_s390_handle_diag()
248 return diag_release_pages(vcpu); in kvm_s390_handle_diag()
250 return __diag_time_slice_end(vcpu); in kvm_s390_handle_diag()
252 return __diag_time_slice_end_directed(vcpu); in kvm_s390_handle_diag()
254 return __diag_page_ref_service(vcpu); in kvm_s390_handle_diag()
256 return __diag_ipl_functions(vcpu); in kvm_s390_handle_diag()
258 return __diag_virtio_hypercall(vcpu); in kvm_s390_handle_diag()
260 vcpu->stat.diagnose_other++; in kvm_s390_handle_diag()