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 = (struct kvm_s390_itdb *)vcpu->arch.sie_block->itdba; in handle_itdb()
229 #define per_event(vcpu) (vcpu->arch.sie_block->iprcc & PGM_PER)
236 vcpu->stat.exit_program_interruption++; in handle_prog()
243 return -EOPNOTSUPP; in handle_prog()
250 if (vcpu->arch.sie_block->iprcc == 0) in handle_prog()
254 trace_kvm_s390_intercept_prog(vcpu, vcpu->arch.sie_block->iprcc); in handle_prog()
255 if (vcpu->arch.sie_block->iprcc == PGM_SPECIFICATION) { in handle_prog()
261 return -EOPNOTSUPP; in handle_prog()
271 * handle_external_interrupt - used for external interruption interceptions
274 * - the CPUSTAT_EXT_INT bit was already set when the external interrupt
277 * - the external new PSW has external interrupts enabled, which will cause an
288 u16 eic = vcpu->arch.sie_block->eic; in handle_external_interrupt()
293 vcpu->stat.exit_external_interrupt++; in handle_external_interrupt()
296 newpsw = vcpu->arch.sie_block->gpsw; in handle_external_interrupt()
304 * Clock comparator or timer interrupt with external interrupt enabled in handle_external_interrupt()
309 return -EOPNOTSUPP; in handle_external_interrupt()
320 irq.u.extcall.code = vcpu->arch.sie_block->extcpuaddr; in handle_external_interrupt()
323 if (rc == -EBUSY) in handle_external_interrupt()
327 return -EOPNOTSUPP; in handle_external_interrupt()
348 /* Make sure that the source is paged-in */ in handle_mvpg_pei()
349 rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg2], in handle_mvpg_pei()
357 /* Make sure that the destination is paged-in */ in handle_mvpg_pei()
358 rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg1], in handle_mvpg_pei()
373 vcpu->stat.exit_pei++; in handle_partial_execution()
375 if (vcpu->arch.sie_block->ipa == 0xb254) /* MVPG */ in handle_partial_execution()
377 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) /* SIGP */ in handle_partial_execution()
380 return -EOPNOTSUPP; in handle_partial_execution()
394 if (!test_kvm_facility(vcpu->kvm, 74)) in handle_sthyi()
398 code = vcpu->run->s.regs.gprs[reg1]; in handle_sthyi()
399 addr = vcpu->run->s.regs.gprs[reg2]; in handle_sthyi()
401 vcpu->stat.instruction_sthyi++; in handle_sthyi()
419 return -ENOMEM; in handle_sthyi()
429 memcpy((void *)(sida_origin(vcpu->arch.sie_block)), in handle_sthyi()
441 vcpu->run->s.regs.gprs[reg2 + 1] = rc; in handle_sthyi()
451 vcpu->stat.exit_operation_exception++; in handle_operexc()
452 trace_kvm_s390_handle_operexc(vcpu, vcpu->arch.sie_block->ipa, in handle_operexc()
453 vcpu->arch.sie_block->ipb); in handle_operexc()
455 if (vcpu->arch.sie_block->ipa == 0xb256) in handle_operexc()
458 if (vcpu->arch.sie_block->ipa == 0 && vcpu->kvm->arch.user_instr0) in handle_operexc()
459 return -EOPNOTSUPP; in handle_operexc()
471 oldpsw = vcpu->arch.sie_block->gpsw; in handle_operexc()
472 if (oldpsw.addr - newpsw.addr <= 6 && in handle_operexc()
477 return -EOPNOTSUPP; in handle_operexc()
484 u32 pref = *(u32 *)vcpu->arch.sie_block->sidad; in handle_pv_spx()
493 struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int; in handle_pv_sclp()
495 spin_lock(&fi->lock); in handle_pv_sclp()
508 fi->srv_signal.ext_params |= 0x43000; in handle_pv_sclp()
509 set_bit(IRQ_PEND_EXT_SERVICE, &fi->pending_irqs); in handle_pv_sclp()
510 clear_bit(IRQ_PEND_EXT_SERVICE, &fi->masked_irqs); in handle_pv_sclp()
511 spin_unlock(&fi->lock); in handle_pv_sclp()
517 struct uv_cb_share *guest_uvcb = (void *)vcpu->arch.sie_block->sidad; in handle_pv_uvc()
521 .guest_handle = kvm_s390_pv_get_handle(vcpu->kvm), in handle_pv_uvc()
522 .gaddr = guest_uvcb->paddr, in handle_pv_uvc()
526 if (guest_uvcb->header.cmd != UVC_CMD_REMOVE_SHARED_ACCESS) { in handle_pv_uvc()
528 guest_uvcb->header.cmd); in handle_pv_uvc()
531 rc = gmap_make_secure(vcpu->arch.gmap, uvcb.gaddr, &uvcb); in handle_pv_uvc()
536 if (rc == -EINVAL) in handle_pv_uvc()
545 if (vcpu->arch.sie_block->ipa == 0xb210) in handle_pv_notification()
547 if (vcpu->arch.sie_block->ipa == 0xb220) in handle_pv_notification()
549 if (vcpu->arch.sie_block->ipa == 0xb9a4) in handle_pv_notification()
551 if (vcpu->arch.sie_block->ipa >> 8 == 0xae) { in handle_pv_notification()
572 if (kvm_is_ucontrol(vcpu->kvm)) in kvm_handle_sie_intercept()
573 return -EOPNOTSUPP; in kvm_handle_sie_intercept()
575 switch (vcpu->arch.sie_block->icptcode) { in kvm_handle_sie_intercept()
577 vcpu->stat.exit_external_request++; in kvm_handle_sie_intercept()
580 vcpu->stat.exit_io_request++; in kvm_handle_sie_intercept()
608 * now be able to deliver interrupts. The pre-run code in kvm_handle_sie_intercept()
621 gmap_convert_to_secure(vcpu->arch.gmap, in kvm_handle_sie_intercept()
623 gmap_convert_to_secure(vcpu->arch.gmap, in kvm_handle_sie_intercept()
627 return -EOPNOTSUPP; in kvm_handle_sie_intercept()
631 if (vcpu->arch.sie_block->icptstatus & 0x02 && in kvm_handle_sie_intercept()
632 (!rc || rc == -EOPNOTSUPP)) in kvm_handle_sie_intercept()