Lines Matching refs:vcpu
62 static void enable_all_hw_bp(struct kvm_vcpu *vcpu) in enable_all_hw_bp() argument
65 u64 *cr9 = &vcpu->arch.sie_block->gcr[9]; in enable_all_hw_bp()
66 u64 *cr10 = &vcpu->arch.sie_block->gcr[10]; in enable_all_hw_bp()
67 u64 *cr11 = &vcpu->arch.sie_block->gcr[11]; in enable_all_hw_bp()
70 if (vcpu->arch.guestdbg.nr_hw_bp <= 0 || in enable_all_hw_bp()
71 vcpu->arch.guestdbg.hw_bp_info == NULL) in enable_all_hw_bp()
82 for (i = 0; i < vcpu->arch.guestdbg.nr_hw_bp; i++) { in enable_all_hw_bp()
83 start = vcpu->arch.guestdbg.hw_bp_info[i].addr; in enable_all_hw_bp()
84 len = vcpu->arch.guestdbg.hw_bp_info[i].len; in enable_all_hw_bp()
102 static void enable_all_hw_wp(struct kvm_vcpu *vcpu) in enable_all_hw_wp() argument
105 u64 *cr9 = &vcpu->arch.sie_block->gcr[9]; in enable_all_hw_wp()
106 u64 *cr10 = &vcpu->arch.sie_block->gcr[10]; in enable_all_hw_wp()
107 u64 *cr11 = &vcpu->arch.sie_block->gcr[11]; in enable_all_hw_wp()
110 if (vcpu->arch.guestdbg.nr_hw_wp <= 0 || in enable_all_hw_wp()
111 vcpu->arch.guestdbg.hw_wp_info == NULL) in enable_all_hw_wp()
124 for (i = 0; i < vcpu->arch.guestdbg.nr_hw_wp; i++) { in enable_all_hw_wp()
125 start = vcpu->arch.guestdbg.hw_wp_info[i].addr; in enable_all_hw_wp()
126 len = vcpu->arch.guestdbg.hw_wp_info[i].len; in enable_all_hw_wp()
133 void kvm_s390_backup_guest_per_regs(struct kvm_vcpu *vcpu) in kvm_s390_backup_guest_per_regs() argument
135 vcpu->arch.guestdbg.cr0 = vcpu->arch.sie_block->gcr[0]; in kvm_s390_backup_guest_per_regs()
136 vcpu->arch.guestdbg.cr9 = vcpu->arch.sie_block->gcr[9]; in kvm_s390_backup_guest_per_regs()
137 vcpu->arch.guestdbg.cr10 = vcpu->arch.sie_block->gcr[10]; in kvm_s390_backup_guest_per_regs()
138 vcpu->arch.guestdbg.cr11 = vcpu->arch.sie_block->gcr[11]; in kvm_s390_backup_guest_per_regs()
141 void kvm_s390_restore_guest_per_regs(struct kvm_vcpu *vcpu) in kvm_s390_restore_guest_per_regs() argument
143 vcpu->arch.sie_block->gcr[0] = vcpu->arch.guestdbg.cr0; in kvm_s390_restore_guest_per_regs()
144 vcpu->arch.sie_block->gcr[9] = vcpu->arch.guestdbg.cr9; in kvm_s390_restore_guest_per_regs()
145 vcpu->arch.sie_block->gcr[10] = vcpu->arch.guestdbg.cr10; in kvm_s390_restore_guest_per_regs()
146 vcpu->arch.sie_block->gcr[11] = vcpu->arch.guestdbg.cr11; in kvm_s390_restore_guest_per_regs()
149 void kvm_s390_patch_guest_per_regs(struct kvm_vcpu *vcpu) in kvm_s390_patch_guest_per_regs() argument
157 if (guestdbg_sstep_enabled(vcpu)) { in kvm_s390_patch_guest_per_regs()
159 vcpu->arch.sie_block->gcr[0] &= ~0x800ul; in kvm_s390_patch_guest_per_regs()
160 vcpu->arch.sie_block->gcr[9] |= PER_EVENT_IFETCH; in kvm_s390_patch_guest_per_regs()
161 vcpu->arch.sie_block->gcr[10] = 0; in kvm_s390_patch_guest_per_regs()
162 vcpu->arch.sie_block->gcr[11] = PSW_ADDR_INSN; in kvm_s390_patch_guest_per_regs()
165 if (guestdbg_hw_bp_enabled(vcpu)) { in kvm_s390_patch_guest_per_regs()
166 enable_all_hw_bp(vcpu); in kvm_s390_patch_guest_per_regs()
167 enable_all_hw_wp(vcpu); in kvm_s390_patch_guest_per_regs()
171 if (vcpu->arch.sie_block->gcr[9] & PER_EVENT_NULLIFICATION) in kvm_s390_patch_guest_per_regs()
172 vcpu->arch.sie_block->gcr[9] &= ~PER_EVENT_NULLIFICATION; in kvm_s390_patch_guest_per_regs()
177 static int __import_wp_info(struct kvm_vcpu *vcpu, in __import_wp_info() argument
194 ret = read_guest_abs(vcpu, wp_info->phys_addr, wp_info->old_data, in __import_wp_info()
206 int kvm_s390_import_bp_data(struct kvm_vcpu *vcpu, in kvm_s390_import_bp_data() argument
264 ret = __import_wp_info(vcpu, &bp_data[i], in kvm_s390_import_bp_data()
278 vcpu->arch.guestdbg.nr_hw_bp = nr_bp; in kvm_s390_import_bp_data()
279 vcpu->arch.guestdbg.hw_bp_info = bp_info; in kvm_s390_import_bp_data()
280 vcpu->arch.guestdbg.nr_hw_wp = nr_wp; in kvm_s390_import_bp_data()
281 vcpu->arch.guestdbg.hw_wp_info = wp_info; in kvm_s390_import_bp_data()
290 void kvm_s390_clear_bp_data(struct kvm_vcpu *vcpu) in kvm_s390_clear_bp_data() argument
295 for (i = 0; i < vcpu->arch.guestdbg.nr_hw_wp; i++) { in kvm_s390_clear_bp_data()
296 hw_wp_info = &vcpu->arch.guestdbg.hw_wp_info[i]; in kvm_s390_clear_bp_data()
300 kfree(vcpu->arch.guestdbg.hw_wp_info); in kvm_s390_clear_bp_data()
301 vcpu->arch.guestdbg.hw_wp_info = NULL; in kvm_s390_clear_bp_data()
303 kfree(vcpu->arch.guestdbg.hw_bp_info); in kvm_s390_clear_bp_data()
304 vcpu->arch.guestdbg.hw_bp_info = NULL; in kvm_s390_clear_bp_data()
306 vcpu->arch.guestdbg.nr_hw_wp = 0; in kvm_s390_clear_bp_data()
307 vcpu->arch.guestdbg.nr_hw_bp = 0; in kvm_s390_clear_bp_data()
321 static struct kvm_hw_bp_info_arch *find_hw_bp(struct kvm_vcpu *vcpu, in find_hw_bp() argument
324 struct kvm_hw_bp_info_arch *bp_info = vcpu->arch.guestdbg.hw_bp_info; in find_hw_bp()
327 if (vcpu->arch.guestdbg.nr_hw_bp == 0) in find_hw_bp()
330 for (i = 0; i < vcpu->arch.guestdbg.nr_hw_bp; i++) { in find_hw_bp()
346 static struct kvm_hw_wp_info_arch *any_wp_changed(struct kvm_vcpu *vcpu) in any_wp_changed() argument
352 if (vcpu->arch.guestdbg.nr_hw_wp == 0) in any_wp_changed()
355 for (i = 0; i < vcpu->arch.guestdbg.nr_hw_wp; i++) { in any_wp_changed()
356 wp_info = &vcpu->arch.guestdbg.hw_wp_info[i]; in any_wp_changed()
365 if (!read_guest_abs(vcpu, wp_info->phys_addr, temp, in any_wp_changed()
379 void kvm_s390_prepare_debug_exit(struct kvm_vcpu *vcpu) in kvm_s390_prepare_debug_exit() argument
381 vcpu->run->exit_reason = KVM_EXIT_DEBUG; in kvm_s390_prepare_debug_exit()
382 vcpu->guest_debug &= ~KVM_GUESTDBG_EXIT_PENDING; in kvm_s390_prepare_debug_exit()
390 static int debug_exit_required(struct kvm_vcpu *vcpu) in debug_exit_required() argument
392 u32 perc = (vcpu->arch.sie_block->perc << 24); in debug_exit_required()
393 struct kvm_debug_exit_arch *debug_exit = &vcpu->run->debug.arch; in debug_exit_required()
396 unsigned long addr = vcpu->arch.sie_block->gpsw.addr; in debug_exit_required()
397 unsigned long peraddr = vcpu->arch.sie_block->peraddr; in debug_exit_required()
399 if (guestdbg_hw_bp_enabled(vcpu)) { in debug_exit_required()
401 vcpu->arch.guestdbg.nr_hw_wp > 0) { in debug_exit_required()
402 wp_info = any_wp_changed(vcpu); in debug_exit_required()
410 vcpu->arch.guestdbg.nr_hw_bp > 0) { in debug_exit_required()
411 bp_info = find_hw_bp(vcpu, addr); in debug_exit_required()
416 vcpu->arch.guestdbg.last_bp = addr; in debug_exit_required()
420 bp_info = find_hw_bp(vcpu, peraddr); in debug_exit_required()
421 if (bp_info && vcpu->arch.guestdbg.last_bp != peraddr) { in debug_exit_required()
428 if (guestdbg_sstep_enabled(vcpu) && per_bp_event(perc)) { in debug_exit_required()
439 #define guest_per_enabled(vcpu) \ argument
440 (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PER)
442 static void filter_guest_per_event(struct kvm_vcpu *vcpu) in filter_guest_per_event() argument
444 u32 perc = vcpu->arch.sie_block->perc << 24; in filter_guest_per_event()
445 u64 peraddr = vcpu->arch.sie_block->peraddr; in filter_guest_per_event()
446 u64 addr = vcpu->arch.sie_block->gpsw.addr; in filter_guest_per_event()
447 u64 cr9 = vcpu->arch.sie_block->gcr[9]; in filter_guest_per_event()
448 u64 cr10 = vcpu->arch.sie_block->gcr[10]; in filter_guest_per_event()
449 u64 cr11 = vcpu->arch.sie_block->gcr[11]; in filter_guest_per_event()
453 if (!guest_per_enabled(vcpu)) in filter_guest_per_event()
470 vcpu->arch.sie_block->perc = guest_perc >> 24; in filter_guest_per_event()
473 vcpu->arch.sie_block->iprcc &= ~PGM_PER; in filter_guest_per_event()
476 #define pssec(vcpu) (vcpu->arch.sie_block->gcr[1] & _ASCE_SPACE_SWITCH) argument
477 #define hssec(vcpu) (vcpu->arch.sie_block->gcr[13] & _ASCE_SPACE_SWITCH) argument
478 #define old_ssec(vcpu) ((vcpu->arch.sie_block->tecmc >> 31) & 0x1) argument
479 #define old_as_is_home(vcpu) !(vcpu->arch.sie_block->tecmc & 0xffff) argument
481 void kvm_s390_handle_per_event(struct kvm_vcpu *vcpu) in kvm_s390_handle_per_event() argument
485 if (debug_exit_required(vcpu)) in kvm_s390_handle_per_event()
486 vcpu->guest_debug |= KVM_GUESTDBG_EXIT_PENDING; in kvm_s390_handle_per_event()
488 filter_guest_per_event(vcpu); in kvm_s390_handle_per_event()
496 if (vcpu->arch.sie_block->iprcc == PGM_SPACE_SWITCH) { in kvm_s390_handle_per_event()
497 vcpu->arch.sie_block->iprcc = 0; in kvm_s390_handle_per_event()
498 new_as = psw_bits(vcpu->arch.sie_block->gpsw).as; in kvm_s390_handle_per_event()
505 if (((new_as == PSW_AS_HOME) ^ old_as_is_home(vcpu)) && in kvm_s390_handle_per_event()
506 (pssec(vcpu) || hssec(vcpu))) in kvm_s390_handle_per_event()
507 vcpu->arch.sie_block->iprcc = PGM_SPACE_SWITCH; in kvm_s390_handle_per_event()
513 if (new_as == PSW_AS_PRIMARY && !old_as_is_home(vcpu) && in kvm_s390_handle_per_event()
514 (pssec(vcpu) || old_ssec(vcpu))) in kvm_s390_handle_per_event()
515 vcpu->arch.sie_block->iprcc = PGM_SPACE_SWITCH; in kvm_s390_handle_per_event()