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e2c6cd5674
The Control Program Name Code (CPNC) portion of the diag318
info must be set within the SIE block of each VCPU in the
configuration. The handler will iterate through each VCPU
and dirty the diag318_info reg to be synced with KVM on a
subsequent sync_regs call.
Additionally, the diag318 info resets must be handled via
userspace. As such, QEMU will reset this value for each
VCPU during a modified clear, load normal, and load clear
reset event.
Fixes: fabdada935 ("s390: guest support for diagnose 0x318")
Signed-off-by: Collin Walling <walling@linux.ibm.com>
Message-Id: <20201113221022.257054-1-walling@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Janosch Frank <frankja@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
51 lines
2.0 KiB
C
51 lines
2.0 KiB
C
/*
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* QEMU KVM support -- s390x specific functions.
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*
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* Copyright (c) 2009 Ulrich Hecht
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef KVM_S390X_H
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#define KVM_S390X_H
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#include "cpu-qom.h"
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struct kvm_s390_irq;
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void kvm_s390_floating_interrupt_legacy(struct kvm_s390_irq *irq);
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void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq);
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void kvm_s390_access_exception(S390CPU *cpu, uint16_t code, uint64_t te_code);
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int kvm_s390_mem_op(S390CPU *cpu, vaddr addr, uint8_t ar, void *hostbuf,
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int len, bool is_write);
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int kvm_s390_mem_op_pv(S390CPU *cpu, vaddr addr, void *hostbuf, int len,
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bool is_write);
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void kvm_s390_program_interrupt(S390CPU *cpu, uint16_t code);
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int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state);
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void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu);
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int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu);
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int kvm_s390_get_hpage_1m(void);
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int kvm_s390_get_ri(void);
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int kvm_s390_get_gs(void);
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int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_clock);
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int kvm_s390_get_clock_ext(uint8_t *tod_high, uint64_t *tod_clock);
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int kvm_s390_set_clock(uint8_t tod_high, uint64_t tod_clock);
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int kvm_s390_set_clock_ext(uint8_t tod_high, uint64_t tod_clock);
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void kvm_s390_enable_css_support(S390CPU *cpu);
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int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
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int vq, bool assign);
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int kvm_s390_cmma_active(void);
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void kvm_s390_cmma_reset(void);
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void kvm_s390_reset_vcpu_clear(S390CPU *cpu);
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void kvm_s390_reset_vcpu_normal(S390CPU *cpu);
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void kvm_s390_reset_vcpu_initial(S390CPU *cpu);
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int kvm_s390_set_mem_limit(uint64_t new_limit, uint64_t *hw_limit);
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void kvm_s390_set_max_pagesize(uint64_t pagesize, Error **errp);
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void kvm_s390_crypto_reset(void);
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void kvm_s390_restart_interrupt(S390CPU *cpu);
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void kvm_s390_stop_interrupt(S390CPU *cpu);
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void kvm_s390_set_diag318(CPUState *cs, uint64_t diag318_info);
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#endif /* KVM_S390X_H */
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