24  * Copyright (c) 2003-2004, K A Fraser.
43  * guests must check the value of the bit after re-enabling event
58  * @cmd  == EVTCHNOP_* (event-channel operation).
59  * @args == struct evtchn_* Operation-specific extra arguments (NULL if none).
86  * EVTCHNOP_alloc_unbound: Allocate a port in domain <dom> and mark as
87  * accepting interdomain bindings from domain <remote_dom>. A fresh port
88  * is allocated in <dom> and returned as <port>.
97     evtchn_port_t port;  member
104  * a port that is unbound and marked as accepting bindings from the calling
105  * domain. A fresh port is allocated in the calling domain and returned as
108  * In case the peer domain has already tried to set our event channel
113  * handler) is as follows: (Re-enable the event channel for subsequent
134  *  1. Virtual IRQs are classified as per-vcpu or global. See the VIRQ list
137  *     re-bound via EVTCHNOP_bind_vcpu.
138  *  3. Per-vcpu VIRQs may be bound to at most one event channel per vcpu.
147     evtchn_port_t port;  member
154  *  1. A physical IRQ may be bound to at most one event channel per domain.
155  *  2. Only a sufficiently-privileged domain may bind to a physical IRQ.
163     evtchn_port_t port;  member
176     evtchn_port_t port;  member
181  * EVTCHNOP_close: Close a local event channel <port>. If the channel is
187     evtchn_port_t port;  member
193  * endpoint is <port>.
197     evtchn_port_t port;  member
203  * has an endpoint at <dom, port>.
206  *  2. Only a sufficiently-privileged domain may obtain the status of an event
212     evtchn_port_t port;  member
228             evtchn_port_t port;  member
240  *  1. IPI-bound channels always notify the vcpu specified at bind time.
242  *  2. Per-VCPU VIRQ channels always notify the vcpu specified at bind time.
244  *  3. All other channels notify vcpu0 by default. This default is set when
245  *     the channel is allocated (a port that is freed and subsequently reused
250     evtchn_port_t port;  member
256  * EVTCHNOP_unmask: Unmask the specified local event-channel port and deliver
261     evtchn_port_t port;  member
269  *  2. Only a sufficiently-privileged domain may specify other than DOMID_SELF.
271  *     operations to 2-level ABI if called with <dom> == DOMID_SELF and FIFO
309  * EVTCHNOP_set_priority: set the priority for an event channel.
313     evtchn_port_t port;  member
343  * 2-level ABI
367 #define EVTCHN_FIFO_LINK_MASK ((1 << EVTCHN_FIFO_LINK_BITS) - 1)
383  * c-file-style: "BSD"
384  * c-basic-offset: 4
385  * tab-width: 4
386  * indent-tabs-mode: nil