799c23548f
Just hook up the basic hypercalls to stubs in xen_evtchn.c for now. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
/*
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* QEMU Xen emulation: Event channel support
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*
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* Copyright © 2022 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Authors: David Woodhouse <dwmw2@infradead.org>
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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 QEMU_XEN_EVTCHN_H
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#define QEMU_XEN_EVTCHN_H
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#include "hw/sysbus.h"
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typedef uint32_t evtchn_port_t;
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void xen_evtchn_create(void);
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int xen_evtchn_soft_reset(void);
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int xen_evtchn_set_callback_param(uint64_t param);
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void xen_evtchn_connect_gsis(qemu_irq *system_gsis);
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void xen_evtchn_set_callback_level(int level);
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int xen_evtchn_set_port(uint16_t port);
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/*
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* These functions mirror the libxenevtchn library API, providing the QEMU
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* backend side of "interdomain" event channels.
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*/
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struct xenevtchn_handle;
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struct xenevtchn_handle *xen_be_evtchn_open(void);
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int xen_be_evtchn_bind_interdomain(struct xenevtchn_handle *xc, uint32_t domid,
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evtchn_port_t guest_port);
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int xen_be_evtchn_unbind(struct xenevtchn_handle *xc, evtchn_port_t port);
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int xen_be_evtchn_close(struct xenevtchn_handle *xc);
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int xen_be_evtchn_fd(struct xenevtchn_handle *xc);
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int xen_be_evtchn_notify(struct xenevtchn_handle *xc, evtchn_port_t port);
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int xen_be_evtchn_unmask(struct xenevtchn_handle *xc, evtchn_port_t port);
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int xen_be_evtchn_pending(struct xenevtchn_handle *xc);
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/* Apart from this which is a local addition */
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int xen_be_evtchn_get_guest_port(struct xenevtchn_handle *xc);
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struct evtchn_status;
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struct evtchn_close;
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struct evtchn_unmask;
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struct evtchn_bind_virq;
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struct evtchn_bind_ipi;
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struct evtchn_send;
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struct evtchn_alloc_unbound;
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struct evtchn_bind_interdomain;
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struct evtchn_bind_vcpu;
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struct evtchn_reset;
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int xen_evtchn_status_op(struct evtchn_status *status);
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int xen_evtchn_close_op(struct evtchn_close *close);
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int xen_evtchn_unmask_op(struct evtchn_unmask *unmask);
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int xen_evtchn_bind_virq_op(struct evtchn_bind_virq *virq);
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int xen_evtchn_bind_ipi_op(struct evtchn_bind_ipi *ipi);
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int xen_evtchn_send_op(struct evtchn_send *send);
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int xen_evtchn_alloc_unbound_op(struct evtchn_alloc_unbound *alloc);
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int xen_evtchn_bind_interdomain_op(struct evtchn_bind_interdomain *interdomain);
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int xen_evtchn_bind_vcpu_op(struct evtchn_bind_vcpu *vcpu);
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int xen_evtchn_reset_op(struct evtchn_reset *reset);
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struct physdev_map_pirq;
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struct physdev_unmap_pirq;
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struct physdev_eoi;
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struct physdev_irq_status_query;
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struct physdev_get_free_pirq;
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int xen_physdev_map_pirq(struct physdev_map_pirq *map);
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int xen_physdev_unmap_pirq(struct physdev_unmap_pirq *unmap);
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int xen_physdev_eoi_pirq(struct physdev_eoi *eoi);
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int xen_physdev_query_pirq(struct physdev_irq_status_query *query);
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int xen_physdev_get_free_pirq(struct physdev_get_free_pirq *get);
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#endif /* QEMU_XEN_EVTCHN_H */
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