x86/xen/xen_intr.c

74 	 * servicing an already servied port again.
95  * Start the scan at port 0 by initializing the last scanned
96  * location as the highest numbered event channel port.
141  * PIC interface for all event channel port types except physical IRQs.
181  * Disable signal delivery for an event channel port on the
184  * \param port  The event channel port to mask.
186  * This API is used to manage the port<=>CPU binding of event
194 evtchn_cpu_mask_port(u_int cpu, evtchn_port_t port)
199 	clear_bit(port, pcpu->evtchn_enabled);
203  * Enable signal delivery for an event channel port on the
206  * \param port  The event channel port to unmask.
208  * This API is used to manage the port<=>CPU binding of event
212  *        is enabled for this event channel port.  The port must
216 evtchn_cpu_unmask_port(u_int cpu, evtchn_port_t port)
221 	set_bit(port, pcpu->evtchn_enabled);
333 	/* Rebind port to CPU 0. */
338 		struct evtchn_close close = { .port = isrc->xi_port };
353  * event channel port.
356  *                    the specified local port.
439  * event port bitmap which have pending events for the given cpu.
466 	u_int l1i, l2i, port, cpu;
533 			/* process port */
534 			port = (l1i * LONG_BIT) + l2i;
535 			synch_clear_bit(port, &s->evtchn_pending[0]);
537 			isrc = xen_intr_port_to_isrc[port];
549 			 * If this is the final port processed,
623 	isrc->xi_port = bind_ipi.port;
625 	xen_intr_port_to_isrc[bind_ipi.port] = isrc;
633 	evtchn_unmask_port(bind_ipi.port);
653 	isrc->xi_port = bind_virq.port;
655 	xen_intr_port_to_isrc[bind_virq.port] = isrc;
665 	evtchn_unmask_port(bind_virq.port);
695 	/* Remove port -> isrc mappings */
832 	bind_vcpu.port = isrc->xi_port;
980 	 * The Event Channel API didn't open this port, so it is not
1008 	error = xen_intr_bind_isrc(&isrc, alloc_unbound.port, EVTCHN_TYPE_PORT,
1012 		evtchn_close_t close = { .port = alloc_unbound.port };
1047 		evtchn_close_t close = { .port = bind_interdomain.local_port };
1054 	 * The Event Channel API opened this port, so it is
1084 	error = xen_intr_bind_isrc(&isrc, bind_virq.port, EVTCHN_TYPE_VIRQ, dev,
1093 		evtchn_close_t close = { .port = bind_virq.port };
1114 	 * The Event Channel API opened this port, so it is
1147 	error = xen_intr_bind_isrc(&isrc, bind_ipi.port, EVTCHN_TYPE_IPI,
1154 		evtchn_close_t close = { .port = bind_ipi.port };
1173 	 * The Event Channel API opened this port, so it is
1225 			("evtchn_signal on something other than a local port"));
1226 		struct evtchn_send send = { .port = isrc->xi_port };