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"
28 struct kvm_s390_sie_block *sie_block = vcpu->arch.sie_block; in kvm_s390_get_ilen()
31 switch (vcpu->arch.sie_block->icptcode) { in kvm_s390_get_ilen()
38 ilen = insn_length(vcpu->arch.sie_block->ipa >> 8); in kvm_s390_get_ilen()
40 if (sie_block->icptstatus & 1) { in kvm_s390_get_ilen()
41 ilen = (sie_block->icptstatus >> 4) & 0x6; in kvm_s390_get_ilen()
48 ilen = vcpu->arch.sie_block->pgmilc & 0x6; in kvm_s390_get_ilen()
56 struct kvm_s390_local_interrupt *li = &vcpu->arch.local_int; in handle_stop()
60 vcpu->stat.exit_stop_request++; in handle_stop()
62 /* delay the stop if any non-stop irq is pending */ in handle_stop()
67 spin_lock(&li->lock); in handle_stop()
68 flags = li->irq.stop.flags; in handle_stop()
70 spin_unlock(&li->lock); in handle_stop()
87 if (!kvm_s390_user_cpu_state_ctrl(vcpu->kvm)) in handle_stop()
89 return -EOPNOTSUPP; in handle_stop()
94 int viwhy = vcpu->arch.sie_block->ipb >> 16; in handle_validity()
96 vcpu->stat.exit_validity++; in handle_validity()
99 current->pid, vcpu->kvm); in handle_validity()
104 return -EINVAL; in handle_validity()
109 vcpu->stat.exit_instruction++; in handle_instruction()
111 vcpu->arch.sie_block->ipa, in handle_instruction()
112 vcpu->arch.sie_block->ipb); in handle_instruction()
114 switch (vcpu->arch.sie_block->ipa >> 8) { in handle_instruction()
140 return -EOPNOTSUPP; in handle_instruction()
147 .code = vcpu->arch.sie_block->iprcc, in inject_prog_on_prog_intercept()
152 switch (vcpu->arch.sie_block->iprcc & ~PGM_PER) { in inject_prog_on_prog_intercept()
163 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
171 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
179 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
180 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
181 pgm_info.op_access_id = vcpu->arch.sie_block->oai; in inject_prog_on_prog_intercept()
184 pgm_info.mon_class_nr = vcpu->arch.sie_block->mcn; in inject_prog_on_prog_intercept()
185 pgm_info.mon_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
189 pgm_info.data_exc_code = vcpu->arch.sie_block->dxc; in inject_prog_on_prog_intercept()
192 pgm_info.trans_exc_code = vcpu->arch.sie_block->tecmc; in inject_prog_on_prog_intercept()
193 pgm_info.exc_access_id = vcpu->arch.sie_block->eai; in inject_prog_on_prog_intercept()
199 if (vcpu->arch.sie_block->iprcc & PGM_PER) { in inject_prog_on_prog_intercept()
200 pgm_info.per_code = vcpu->arch.sie_block->perc; in inject_prog_on_prog_intercept()
201 pgm_info.per_atmid = vcpu->arch.sie_block->peratmid; in inject_prog_on_prog_intercept()
202 pgm_info.per_address = vcpu->arch.sie_block->peraddr; in inject_prog_on_prog_intercept()
203 pgm_info.per_access_id = vcpu->arch.sie_block->peraid; in inject_prog_on_prog_intercept()
209 * restore ITDB to program-interruption TDB in guest lowcore
219 if (current->thread.per_flags & PER_FLAG_NO_TE) in handle_itdb()
221 itdb = phys_to_virt(vcpu->arch.sie_block->itdba); in handle_itdb()
230 #define per_event(vcpu) (vcpu->arch.sie_block->iprcc & PGM_PER)
237 vcpu->arch.sie_block->iprcc != PGM_PER) { in should_handle_per_event()
252 vcpu->stat.exit_program_interruption++; in handle_prog()
259 return -EOPNOTSUPP; in handle_prog()
266 if (vcpu->arch.sie_block->iprcc == 0) in handle_prog()
270 trace_kvm_s390_intercept_prog(vcpu, vcpu->arch.sie_block->iprcc); in handle_prog()
271 if (vcpu->arch.sie_block->iprcc == PGM_SPECIFICATION) { in handle_prog()
277 return -EOPNOTSUPP; in handle_prog()
287 * handle_external_interrupt - used for external interruption interceptions
291 * - the CPUSTAT_EXT_INT bit was already set when the external interrupt
294 * - the external new PSW has external interrupts enabled, which will cause an
305 u16 eic = vcpu->arch.sie_block->eic; in handle_external_interrupt()
310 vcpu->stat.exit_external_interrupt++; in handle_external_interrupt()
313 newpsw = vcpu->arch.sie_block->gpsw; in handle_external_interrupt()
321 * Clock comparator or timer interrupt with external interrupt enabled in handle_external_interrupt()
326 return -EOPNOTSUPP; in handle_external_interrupt()
337 irq.u.extcall.code = vcpu->arch.sie_block->extcpuaddr; in handle_external_interrupt()
340 if (rc == -EBUSY) in handle_external_interrupt()
344 return -EOPNOTSUPP; in handle_external_interrupt()
351 * handle_mvpg_pei - Handle MOVE PAGE partial execution interception.
366 /* Ensure that the source is paged-in, no actual access -> no key checking */ in handle_mvpg_pei()
367 rc = guest_translate_address_with_key(vcpu, vcpu->run->s.regs.gprs[reg2], in handle_mvpg_pei()
375 /* Ensure that the source is paged-in, no actual access -> no key checking */ in handle_mvpg_pei()
376 rc = guest_translate_address_with_key(vcpu, vcpu->run->s.regs.gprs[reg1], in handle_mvpg_pei()
391 vcpu->stat.exit_pei++; in handle_partial_execution()
393 if (vcpu->arch.sie_block->ipa == 0xb254) /* MVPG */ in handle_partial_execution()
395 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) /* SIGP */ in handle_partial_execution()
398 return -EOPNOTSUPP; in handle_partial_execution()
412 if (!test_kvm_facility(vcpu->kvm, 74)) in handle_sthyi()
416 code = vcpu->run->s.regs.gprs[reg1]; in handle_sthyi()
417 addr = vcpu->run->s.regs.gprs[reg2]; in handle_sthyi()
419 vcpu->stat.instruction_sthyi++; in handle_sthyi()
437 return -ENOMEM; in handle_sthyi()
447 memcpy(sida_addr(vcpu->arch.sie_block), sctns, PAGE_SIZE); in handle_sthyi()
458 vcpu->run->s.regs.gprs[reg2 + 1] = rc; in handle_sthyi()
468 vcpu->stat.exit_operation_exception++; in handle_operexc()
469 trace_kvm_s390_handle_operexc(vcpu, vcpu->arch.sie_block->ipa, in handle_operexc()
470 vcpu->arch.sie_block->ipb); in handle_operexc()
472 if (vcpu->arch.sie_block->ipa == 0xb256) in handle_operexc()
475 if (vcpu->arch.sie_block->ipa == 0 && vcpu->kvm->arch.user_instr0) in handle_operexc()
476 return -EOPNOTSUPP; in handle_operexc()
488 oldpsw = vcpu->arch.sie_block->gpsw; in handle_operexc()
489 if (oldpsw.addr - newpsw.addr <= 6 && in handle_operexc()
494 return -EOPNOTSUPP; in handle_operexc()
501 u32 pref = *(u32 *)sida_addr(vcpu->arch.sie_block); in handle_pv_spx()
510 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in handle_pv_sclp()
512 spin_lock(&fi->lock); in handle_pv_sclp()
525 fi->srv_signal.ext_params |= 0x43000; in handle_pv_sclp()
526 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in handle_pv_sclp()
527 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in handle_pv_sclp()
528 spin_unlock(&fi->lock); in handle_pv_sclp()
534 struct uv_cb_share *guest_uvcb = sida_addr(vcpu->arch.sie_block); in handle_pv_uvc()
538 .guest_handle = kvm_s390_pv_get_handle(vcpu->kvm), in handle_pv_uvc()
539 .gaddr = guest_uvcb->paddr, in handle_pv_uvc()
543 if (guest_uvcb->header.cmd != UVC_CMD_REMOVE_SHARED_ACCESS) { in handle_pv_uvc()
545 guest_uvcb->header.cmd); in handle_pv_uvc()
548 rc = gmap_make_secure(vcpu->arch.gmap, uvcb.gaddr, &uvcb); in handle_pv_uvc()
553 if (rc == -EINVAL || rc == -ENXIO) in handle_pv_uvc()
556 * If we got -EAGAIN here, we simply return it. It will eventually in handle_pv_uvc()
567 if (vcpu->arch.sie_block->ipa == 0xb210) in handle_pv_notification()
569 if (vcpu->arch.sie_block->ipa == 0xb220) in handle_pv_notification()
571 if (vcpu->arch.sie_block->ipa == 0xb9a4) in handle_pv_notification()
573 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) { in handle_pv_notification()
593 if (!(vcpu->arch.sie_block->icptstatus & 0x02)) in should_handle_per_ifetch()
595 if (rc != 0 && rc != -EOPNOTSUPP) in should_handle_per_ifetch()
597 if (guestdbg_sstep_enabled(vcpu) && vcpu->arch.local_int.pending_irqs) in should_handle_per_ifetch()
607 if (kvm_is_ucontrol(vcpu->kvm)) in kvm_handle_sie_intercept()
608 return -EOPNOTSUPP; in kvm_handle_sie_intercept()
610 switch (vcpu->arch.sie_block->icptcode) { in kvm_handle_sie_intercept()
612 vcpu->stat.exit_external_request++; in kvm_handle_sie_intercept()
615 vcpu->stat.exit_io_request++; in kvm_handle_sie_intercept()
643 * now be able to deliver interrupts. The pre-run code in kvm_handle_sie_intercept()
656 gmap_convert_to_secure(vcpu->arch.gmap, in kvm_handle_sie_intercept()
658 gmap_convert_to_secure(vcpu->arch.gmap, in kvm_handle_sie_intercept()
662 return -EOPNOTSUPP; in kvm_handle_sie_intercept()