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Diffstat (limited to 'ANDROID_3.4.5/include/xen/interface/event_channel.h')
| -rw-r--r-- | ANDROID_3.4.5/include/xen/interface/event_channel.h | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/ANDROID_3.4.5/include/xen/interface/event_channel.h b/ANDROID_3.4.5/include/xen/interface/event_channel.h deleted file mode 100644 index 2090881c..00000000 --- a/ANDROID_3.4.5/include/xen/interface/event_channel.h +++ /dev/null @@ -1,197 +0,0 @@ -/****************************************************************************** - * event_channel.h - * - * Event channels between domains. - * - * Copyright (c) 2003-2004, K A Fraser. - */ - -#ifndef __XEN_PUBLIC_EVENT_CHANNEL_H__ -#define __XEN_PUBLIC_EVENT_CHANNEL_H__ - -#include <xen/interface/xen.h> - -typedef uint32_t evtchn_port_t; -DEFINE_GUEST_HANDLE(evtchn_port_t); - -/* - * EVTCHNOP_alloc_unbound: Allocate a port in domain <dom> and mark as - * accepting interdomain bindings from domain <remote_dom>. A fresh port - * is allocated in <dom> and returned as <port>. - * NOTES: - * 1. If the caller is unprivileged then <dom> must be DOMID_SELF. - * 2. <rdom> may be DOMID_SELF, allowing loopback connections. - */ -#define EVTCHNOP_alloc_unbound 6 -struct evtchn_alloc_unbound { - /* IN parameters */ - domid_t dom, remote_dom; - /* OUT parameters */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_bind_interdomain: Construct an interdomain event channel between - * the calling domain and <remote_dom>. <remote_dom,remote_port> must identify - * a port that is unbound and marked as accepting bindings from the calling - * domain. A fresh port is allocated in the calling domain and returned as - * <local_port>. - * NOTES: - * 2. <remote_dom> may be DOMID_SELF, allowing loopback connections. - */ -#define EVTCHNOP_bind_interdomain 0 -struct evtchn_bind_interdomain { - /* IN parameters. */ - domid_t remote_dom; - evtchn_port_t remote_port; - /* OUT parameters. */ - evtchn_port_t local_port; -}; - -/* - * EVTCHNOP_bind_virq: Bind a local event channel to VIRQ <irq> on specified - * vcpu. - * NOTES: - * 1. A virtual IRQ may be bound to at most one event channel per vcpu. - * 2. The allocated event channel is bound to the specified vcpu. The binding - * may not be changed. - */ -#define EVTCHNOP_bind_virq 1 -struct evtchn_bind_virq { - /* IN parameters. */ - uint32_t virq; - uint32_t vcpu; - /* OUT parameters. */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_bind_pirq: Bind a local event channel to PIRQ <irq>. - * NOTES: - * 1. A physical IRQ may be bound to at most one event channel per domain. - * 2. Only a sufficiently-privileged domain may bind to a physical IRQ. - */ -#define EVTCHNOP_bind_pirq 2 -struct evtchn_bind_pirq { - /* IN parameters. */ - uint32_t pirq; -#define BIND_PIRQ__WILL_SHARE 1 - uint32_t flags; /* BIND_PIRQ__* */ - /* OUT parameters. */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_bind_ipi: Bind a local event channel to receive events. - * NOTES: - * 1. The allocated event channel is bound to the specified vcpu. The binding - * may not be changed. - */ -#define EVTCHNOP_bind_ipi 7 -struct evtchn_bind_ipi { - uint32_t vcpu; - /* OUT parameters. */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_close: Close a local event channel <port>. If the channel is - * interdomain then the remote end is placed in the unbound state - * (EVTCHNSTAT_unbound), awaiting a new connection. - */ -#define EVTCHNOP_close 3 -struct evtchn_close { - /* IN parameters. */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_send: Send an event to the remote end of the channel whose local - * endpoint is <port>. - */ -#define EVTCHNOP_send 4 -struct evtchn_send { - /* IN parameters. */ - evtchn_port_t port; -}; - -/* - * EVTCHNOP_status: Get the current status of the communication channel which - * has an endpoint at <dom, port>. - * NOTES: - * 1. <dom> may be specified as DOMID_SELF. - * 2. Only a sufficiently-privileged domain may obtain the status of an event - * channel for which <dom> is not DOMID_SELF. - */ -#define EVTCHNOP_status 5 -struct evtchn_status { - /* IN parameters */ - domid_t dom; - evtchn_port_t port; - /* OUT parameters */ -#define EVTCHNSTAT_closed 0 /* Channel is not in use. */ -#define EVTCHNSTAT_unbound 1 /* Channel is waiting interdom connection.*/ -#define EVTCHNSTAT_interdomain 2 /* Channel is connected to remote domain. */ -#define EVTCHNSTAT_pirq 3 /* Channel is bound to a phys IRQ line. */ -#define EVTCHNSTAT_virq 4 /* Channel is bound to a virtual IRQ line */ -#define EVTCHNSTAT_ipi 5 /* Channel is bound to a virtual IPI line */ - uint32_t status; - uint32_t vcpu; /* VCPU to which this channel is bound. */ - union { - struct { - domid_t dom; - } unbound; /* EVTCHNSTAT_unbound */ - struct { - domid_t dom; - evtchn_port_t port; - } interdomain; /* EVTCHNSTAT_interdomain */ - uint32_t pirq; /* EVTCHNSTAT_pirq */ - uint32_t virq; /* EVTCHNSTAT_virq */ - } u; -}; - -/* - * EVTCHNOP_bind_vcpu: Specify which vcpu a channel should notify when an - * event is pending. - * NOTES: - * 1. IPI- and VIRQ-bound channels always notify the vcpu that initialised - * the binding. This binding cannot be changed. - * 2. All other channels notify vcpu0 by default. This default is set when - * the channel is allocated (a port that is freed and subsequently reused - * has its binding reset to vcpu0). - */ -#define EVTCHNOP_bind_vcpu 8 -struct evtchn_bind_vcpu { - /* IN parameters. */ - evtchn_port_t port; - uint32_t vcpu; -}; - -/* - * EVTCHNOP_unmask: Unmask the specified local event-channel port and deliver - * a notification to the appropriate VCPU if an event is pending. - */ -#define EVTCHNOP_unmask 9 -struct evtchn_unmask { - /* IN parameters. */ - evtchn_port_t port; -}; - -struct evtchn_op { - uint32_t cmd; /* EVTCHNOP_* */ - union { - struct evtchn_alloc_unbound alloc_unbound; - struct evtchn_bind_interdomain bind_interdomain; - struct evtchn_bind_virq bind_virq; - struct evtchn_bind_pirq bind_pirq; - struct evtchn_bind_ipi bind_ipi; - struct evtchn_close close; - struct evtchn_send send; - struct evtchn_status status; - struct evtchn_bind_vcpu bind_vcpu; - struct evtchn_unmask unmask; - } u; -}; -DEFINE_GUEST_HANDLE_STRUCT(evtchn_op); - -#endif /* __XEN_PUBLIC_EVENT_CHANNEL_H__ */ |