Lines Matching +full:ipa +full:- +full:clock +full:- +full:enabled
1 // SPDX-License-Identifier: GPL-2.0
3 * in-kernel handling for sie intercepts
15 #include <asm/asm-offsets.h>
20 #include "kvm-s390.h"
23 #include "trace-s390.h"
27 struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block; in kvm_s390_get_ilen()
30 switch (vcpu->arch.sie_block->icptcode) { in kvm_s390_get_ilen()
37 ilen = insn_length(vcpu->arch.sie_block->ipa >> 8); in kvm_s390_get_ilen()
39 if (sie_block->icptstatus & 1) { in kvm_s390_get_ilen()
40 ilen = (sie_block->icptstatus >> 4) & 0x6; in kvm_s390_get_ilen()
47 ilen = vcpu->arch.sie_block->pgmilc & 0x6; in kvm_s390_get_ilen()
55 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in handle_stop()
59 vcpu->stat.exit_stop_request++; in handle_stop()
61 /* delay the stop if any non-stop irq is pending */ in handle_stop()
66 spin_lock(&li->lock); in handle_stop()
67 flags = li->irq.stop.flags; in handle_stop()
69 spin_unlock(&li->lock); in handle_stop()
86 if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) in handle_stop()
88 return -EOPNOTSUPP; in handle_stop()
93 int viwhy = vcpu->arch.sie_block->ipb >> 16; in handle_validity()
95 vcpu->stat.exit_validity++; in handle_validity()
98 current->pid, vcpu->kvm); in handle_validity()
103 return -EINVAL; in handle_validity()
108 vcpu->stat.exit_instruction++; in handle_instruction()
110 vcpu->arch.sie_block->ipa, in handle_instruction()
111 vcpu->arch.sie_block->ipb); in handle_instruction()
113 switch (vcpu->arch.sie_block->ipa >> 8) { in handle_instruction()
139 return -EOPNOTSUPP; in handle_instruction()
146 .code = vcpu->arch.sie_block->iprcc, in inject_prog_on_prog_intercept()
151 switch (vcpu->arch.sie_block->iprcc & ~PGM_PER) { in inject_prog_on_prog_intercept()
162 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
170 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
178 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
179 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
180 pgm_info.op_access_id = vcpu->arch.sie_block->oai; in inject_prog_on_prog_intercept()
183 pgm_info.mon_class_nr = vcpu->arch.sie_block->mcn; in inject_prog_on_prog_intercept()
184 pgm_info.mon_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
188 pgm_info.data_exc_code = vcpu->arch.sie_block->dxc; in inject_prog_on_prog_intercept()
191 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
192 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
198 if (vcpu->arch.sie_block->iprcc & PGM_PER) { in inject_prog_on_prog_intercept()
199 pgm_info.per_code = vcpu->arch.sie_block->perc; in inject_prog_on_prog_intercept()
200 pgm_info.per_atmid = vcpu->arch.sie_block->peratmid; in inject_prog_on_prog_intercept()
201 pgm_info.per_address = vcpu->arch.sie_block->peraddr; in inject_prog_on_prog_intercept()
202 pgm_info.per_access_id = vcpu->arch.sie_block->peraid; in inject_prog_on_prog_intercept()
208 * restore ITDB to program-interruption TDB in guest lowcore
218 if (current->thread.per_flags & PER_FLAG_NO_TE) in handle_itdb()
220 itdb = phys_to_virt(vcpu->arch.sie_block->itdba); in handle_itdb()
229 #define per_event(vcpu) (vcpu->arch.sie_block->iprcc & PGM_PER)
236 vcpu->arch.sie_block->iprcc != PGM_PER) { in should_handle_per_event()
251 vcpu->stat.exit_program_interruption++; in handle_prog()
258 return -EOPNOTSUPP; in handle_prog()
265 if (vcpu->arch.sie_block->iprcc == 0) in handle_prog()
269 trace_kvm_s390_intercept_prog(vcpu, vcpu->arch.sie_block->iprcc); in handle_prog()
270 if (vcpu->arch.sie_block->iprcc == PGM_SPECIFICATION) { in handle_prog()
276 return -EOPNOTSUPP; in handle_prog()
286 * handle_external_interrupt - used for external interruption interceptions
290 * - the CPUSTAT_EXT_INT bit was already set when the external interrupt
293 * - the external new PSW has external interrupts enabled, which will cause an
304 u16 eic = vcpu->arch.sie_block->eic; in handle_external_interrupt()
309 vcpu->stat.exit_external_interrupt++; in handle_external_interrupt()
312 newpsw = vcpu->arch.sie_block->gpsw; in handle_external_interrupt()
320 * Clock comparator or timer interrupt with external interrupt enabled in handle_external_interrupt()
325 return -EOPNOTSUPP; in handle_external_interrupt()
336 irq.u.extcall.code = vcpu->arch.sie_block->extcpuaddr; in handle_external_interrupt()
339 if (rc == -EBUSY) in handle_external_interrupt()
343 return -EOPNOTSUPP; in handle_external_interrupt()
350 * handle_mvpg_pei - Handle MOVE PAGE partial execution interception.
365 /* Ensure that the source is paged-in, no actual access -> no key checking */ in handle_mvpg_pei()
366 rc = guest_translate_address_with_key(vcpu, vcpu->run->s.regs.gprs[reg2], in handle_mvpg_pei()
374 /* Ensure that the source is paged-in, no actual access -> no key checking */ in handle_mvpg_pei()
375 rc = guest_translate_address_with_key(vcpu, vcpu->run->s.regs.gprs[reg1], in handle_mvpg_pei()
390 vcpu->stat.exit_pei++; in handle_partial_execution()
392 if (vcpu->arch.sie_block->ipa == 0xb254) /* MVPG */ in handle_partial_execution()
394 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) /* SIGP */ in handle_partial_execution()
397 return -EOPNOTSUPP; in handle_partial_execution()
411 if (!test_kvm_facility(vcpu->kvm, 74)) in handle_sthyi()
415 code = vcpu->run->s.regs.gprs[reg1]; in handle_sthyi()
416 addr = vcpu->run->s.regs.gprs[reg2]; in handle_sthyi()
418 vcpu->stat.instruction_sthyi++; in handle_sthyi()
436 return -ENOMEM; in handle_sthyi()
446 memcpy(sida_addr(vcpu->arch.sie_block), sctns, PAGE_SIZE); in handle_sthyi()
457 vcpu->run->s.regs.gprs[reg2 + 1] = rc; in handle_sthyi()
467 vcpu->stat.exit_operation_exception++; in handle_operexc()
468 trace_kvm_s390_handle_operexc(vcpu, vcpu->arch.sie_block->ipa, in handle_operexc()
469 vcpu->arch.sie_block->ipb); in handle_operexc()
471 if (vcpu->arch.sie_block->ipa == 0xb256) in handle_operexc()
474 if (vcpu->arch.sie_block->ipa == 0 && vcpu->kvm->arch.user_instr0) in handle_operexc()
475 return -EOPNOTSUPP; in handle_operexc()
487 oldpsw = vcpu->arch.sie_block->gpsw; in handle_operexc()
488 if (oldpsw.addr - newpsw.addr <= 6 && in handle_operexc()
493 return -EOPNOTSUPP; in handle_operexc()
500 u32 pref = *(u32 *)sida_addr(vcpu->arch.sie_block); in handle_pv_spx()
509 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in handle_pv_sclp()
511 spin_lock(&fi->lock); in handle_pv_sclp()
524 fi->srv_signal.ext_params |= 0x43000; in handle_pv_sclp()
525 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in handle_pv_sclp()
526 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in handle_pv_sclp()
527 spin_unlock(&fi->lock); in handle_pv_sclp()
533 struct uv_cb_share *guest_uvcb = sida_addr(vcpu->arch.sie_block); in handle_pv_uvc()
537 .guest_handle = kvm_s390_pv_get_handle(vcpu->kvm), in handle_pv_uvc()
538 .gaddr = guest_uvcb->paddr, in handle_pv_uvc()
542 if (guest_uvcb->header.cmd != UVC_CMD_REMOVE_SHARED_ACCESS) { in handle_pv_uvc()
544 guest_uvcb->header.cmd); in handle_pv_uvc()
547 rc = kvm_s390_pv_make_secure(vcpu->kvm, uvcb.gaddr, &uvcb); in handle_pv_uvc()
552 if (rc == -EINVAL || rc == -ENXIO) in handle_pv_uvc()
555 * If we got -EAGAIN here, we simply return it. It will eventually in handle_pv_uvc()
566 if (vcpu->arch.sie_block->ipa == 0xb210) in handle_pv_notification()
568 if (vcpu->arch.sie_block->ipa == 0xb220) in handle_pv_notification()
570 if (vcpu->arch.sie_block->ipa == 0xb9a4) in handle_pv_notification()
572 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) { in handle_pv_notification()
592 if (!(vcpu->arch.sie_block->icptstatus & 0x02)) in should_handle_per_ifetch()
594 if (rc != 0 && rc != -EOPNOTSUPP) in should_handle_per_ifetch()
596 if (guestdbg_sstep_enabled(vcpu) && vcpu->arch.local_int.pending_irqs) in should_handle_per_ifetch()
606 if (kvm_is_ucontrol(vcpu->kvm)) in kvm_handle_sie_intercept()
607 return -EOPNOTSUPP; in kvm_handle_sie_intercept()
609 switch (vcpu->arch.sie_block->icptcode) { in kvm_handle_sie_intercept()
611 vcpu->stat.exit_external_request++; in kvm_handle_sie_intercept()
614 vcpu->stat.exit_io_request++; in kvm_handle_sie_intercept()
642 * now be able to deliver interrupts. The pre-run code in kvm_handle_sie_intercept()
655 kvm_s390_pv_convert_to_secure(vcpu->kvm, kvm_s390_get_prefix(vcpu)); in kvm_handle_sie_intercept()
656 kvm_s390_pv_convert_to_secure(vcpu->kvm, kvm_s390_get_prefix(vcpu) + PAGE_SIZE); in kvm_handle_sie_intercept()
659 return -EOPNOTSUPP; in kvm_handle_sie_intercept()