9138977b18
Right now we configure the pagesize quite early, when initializing KVM. This is long before system memory is actually allocated via memory_region_allocate_system_memory(), and therefore memory backends marked as mapped. Instead, let's configure the maximum page size after initializing memory in s390_memory_init(). cap_hpage_1m is still properly configured before creating any CPUs, and therefore before configuring the CPU model and eventually enabling CMMA. This is not a fix but rather a preparation for the future, when initial memory might reside on memory backends (not the case for s390x right now) We will replace qemu_getrampagesize() soon by a function that will always return the maximum page size (not the minimum page size, which only works by pure luck so far, as there are no memory backends). Acked-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190417113143.5551-2-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
45 lines
1.7 KiB
C
45 lines
1.7 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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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_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(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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#endif /* KVM_S390X_H */
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