7edd4a4967
Provides an interface for getting and setting the guest's extended TOD-Clock via a single ioctl to kvm. If the ioctl fails because it is not support by kvm, then we fall back to the old style of retrieving the clock via two ioctls. Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com> Reviewed-by: Eric Farman <farman@linux.vnet.ibm.com> Reviewed-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> [split failure change from epoch index change] Message-Id: <20171004105751.24655-2-borntraeger@de.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com> [some cosmetic fixes]
50 lines
2 KiB
C
50 lines
2 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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struct kvm_s390_irq;
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void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq);
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void kvm_s390_service_interrupt(uint32_t parm);
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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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void kvm_s390_program_interrupt(S390CPU *cpu, uint16_t code);
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void kvm_s390_io_interrupt(uint16_t subchannel_id,
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uint16_t subchannel_nr, uint32_t io_int_parm,
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uint32_t io_int_word);
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void kvm_s390_crw_mchk(void);
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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_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_cpu_restart(S390CPU *cpu);
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int kvm_s390_get_memslot_count(void);
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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(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_crypto_reset(void);
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/* implemented outside of target/s390x/ */
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int kvm_s390_inject_flic(struct kvm_s390_irq *irq);
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#endif /* KVM_S390X_H */
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