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Searched refs:evtchn (Results 1 – 25 of 34) sorted by relevance

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/linux-6.1.9/drivers/xen/events/
Devents_base.c109 evtchn_port_t evtchn; /* event channel */ member
221 static int set_evtchn_to_irq(evtchn_port_t evtchn, unsigned int irq) in set_evtchn_to_irq() argument
227 if (evtchn >= xen_evtchn_max_channels()) in set_evtchn_to_irq()
230 row = EVTCHN_ROW(evtchn); in set_evtchn_to_irq()
231 col = EVTCHN_COL(evtchn); in set_evtchn_to_irq()
256 int get_evtchn_to_irq(evtchn_port_t evtchn) in get_evtchn_to_irq() argument
258 if (evtchn >= xen_evtchn_max_channels()) in get_evtchn_to_irq()
260 if (evtchn_to_irq[EVTCHN_ROW(evtchn)] == NULL) in get_evtchn_to_irq()
262 return READ_ONCE(evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)]); in get_evtchn_to_irq()
312 evtchn_port_t evtchn, in xen_irq_info_common_setup() argument
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Devents_internal.h18 void (*bind_to_cpu)(evtchn_port_t evtchn, unsigned int cpu,
36 int get_evtchn_to_irq(evtchn_port_t evtchn);
39 unsigned int cpu_from_evtchn(evtchn_port_t evtchn);
50 static inline int xen_evtchn_port_setup(evtchn_port_t evtchn) in xen_evtchn_port_setup() argument
53 return evtchn_ops->setup(evtchn); in xen_evtchn_port_setup()
57 static inline void xen_evtchn_port_remove(evtchn_port_t evtchn, in xen_evtchn_port_remove() argument
61 evtchn_ops->remove(evtchn, cpu); in xen_evtchn_port_remove()
64 static inline void xen_evtchn_port_bind_to_cpu(evtchn_port_t evtchn, in xen_evtchn_port_bind_to_cpu() argument
68 evtchn_ops->bind_to_cpu(evtchn, cpu, old_cpu); in xen_evtchn_port_bind_to_cpu()
Devents_2l.c50 static void evtchn_2l_remove(evtchn_port_t evtchn, unsigned int cpu) in evtchn_2l_remove() argument
52 clear_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, cpu))); in evtchn_2l_remove()
55 static void evtchn_2l_bind_to_cpu(evtchn_port_t evtchn, unsigned int cpu, in evtchn_2l_bind_to_cpu() argument
58 clear_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, old_cpu))); in evtchn_2l_bind_to_cpu()
59 set_bit(evtchn, BM(per_cpu(cpu_evtchn_mask, cpu))); in evtchn_2l_bind_to_cpu()
178 evtchn_port_t evtchn = evtchn_from_irq(irq); in evtchn_2l_handle_events() local
179 word_idx = evtchn / BITS_PER_LONG; in evtchn_2l_handle_events()
180 bit_idx = evtchn % BITS_PER_LONG; in evtchn_2l_handle_events()
/linux-6.1.9/drivers/xen/
Devtchn.c107 static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) in add_evtchn() argument
119 if (this->port < evtchn->port) in add_evtchn()
121 else if (this->port > evtchn->port) in add_evtchn()
128 rb_link_node(&evtchn->node, parent, new); in add_evtchn()
129 rb_insert_color(&evtchn->node, &u->evtchns); in add_evtchn()
134 static void del_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) in del_evtchn() argument
137 rb_erase(&evtchn->node, &u->evtchns); in del_evtchn()
138 kfree(evtchn); in del_evtchn()
147 struct user_evtchn *evtchn; in find_evtchn() local
149 evtchn = rb_entry(node, struct user_evtchn, node); in find_evtchn()
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DMakefile19 obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o
35 xen-evtchn-y := evtchn.o
Dpvcalls-front.c373 static int create_active(struct sock_mapping *map, evtchn_port_t *evtchn) in create_active() argument
378 *evtchn = 0; in create_active()
391 ret = xenbus_alloc_evtchn(pvcalls_front_dev, evtchn); in create_active()
394 irq = bind_evtchn_to_irqhandler(*evtchn, pvcalls_front_conn_handler, in create_active()
409 if (*evtchn > 0) in create_active()
410 xenbus_free_evtchn(pvcalls_front_dev, *evtchn); in create_active()
421 evtchn_port_t evtchn; in pvcalls_front_connect() local
445 ret = create_active(map, &evtchn); in pvcalls_front_connect()
460 req->u.connect.evtchn = evtchn; in pvcalls_front_connect()
772 evtchn_port_t evtchn; in pvcalls_front_accept() local
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Dpvcalls-back.c316 evtchn_port_t evtchn, in pvcalls_new_active_socket() argument
351 fedata->dev, evtchn, in pvcalls_new_active_socket()
415 req->u.connect.evtchn, in pvcalls_back_connect()
556 req->u.accept.evtchn, in __pvcalls_back_accept()
924 evtchn_port_t evtchn; in backend_connect() local
934 &evtchn); in backend_connect()
950 err = bind_interdomain_evtchn_to_irq_lateeoi(dev, evtchn); in backend_connect()
Dxen-scsiback.c845 evtchn_port_t evtchn) in scsiback_init_sring() argument
861 err = bind_interdomain_evtchn_to_irq_lateeoi(info->dev, evtchn); in scsiback_init_sring()
887 evtchn_port_t evtchn; in scsiback_map() local
892 "event-channel", "%u", &evtchn, NULL); in scsiback_map()
898 return scsiback_init_sring(info, ring_ref, evtchn); in scsiback_map()
/linux-6.1.9/include/xen/
Devents.h19 int bind_evtchn_to_irq(evtchn_port_t evtchn);
20 int bind_evtchn_to_irq_lateeoi(evtchn_port_t evtchn);
21 int bind_evtchn_to_irqhandler(evtchn_port_t evtchn,
25 int bind_evtchn_to_irqhandler_lateeoi(evtchn_port_t evtchn,
72 int evtchn_make_refcounted(evtchn_port_t evtchn);
73 int evtchn_get(evtchn_port_t evtchn);
74 void evtchn_put(evtchn_port_t evtchn);
77 void rebind_evtchn_irq(evtchn_port_t evtchn, int irq);
104 unsigned int irq_from_evtchn(evtchn_port_t evtchn);
/linux-6.1.9/drivers/tty/hvc/
Dhvc_xen.c39 unsigned int evtchn; member
83 notify_remote_via_evtchn(cons->evtchn); in notify_daemon()
255 info->evtchn = v; in xen_hvm_console_init()
278 info->evtchn = xen_start_info->console.domU.evtchn; in xencons_info_pv_init()
296 if (!xen_start_info->console.domU.evtchn) in xen_pv_console_init()
348 info->evtchn = v; in xen_console_update_evtchn()
350 info->evtchn = xen_start_info->console.domU.evtchn; in xen_console_update_evtchn()
359 rebind_evtchn_irq(info->evtchn, info->irq); in xen_console_resume()
369 if (info->evtchn > 0) in xencons_disconnect_backend()
370 xenbus_free_evtchn(info->xbdev, info->evtchn); in xencons_disconnect_backend()
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/linux-6.1.9/drivers/char/tpm/
Dxen-tpmfront.c26 unsigned int evtchn; member
126 notify_remote_via_evtchn(priv->evtchn); in vtpm_cancel()
161 notify_remote_via_evtchn(priv->evtchn); in vtpm_send()
262 rv = xenbus_alloc_evtchn(dev, &priv->evtchn); in setup_ring()
266 rv = bind_evtchn_to_irqhandler(priv->evtchn, tpmif_interrupt, 0, in setup_ring()
289 priv->evtchn); in setup_ring()
/linux-6.1.9/tools/testing/selftests/kvm/x86_64/
Dxen_shinfo_test.c577 .u.evtchn.send_port = 127, in main()
578 .u.evtchn.type = EVTCHNSTAT_interdomain, in main()
579 .u.evtchn.flags = 0, in main()
580 .u.evtchn.deliver.port.port = EVTCHN_TEST1, in main()
581 .u.evtchn.deliver.port.vcpu = vcpu->id + 1, in main()
582 .u.evtchn.deliver.port.priority = KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL, in main()
587 inj.u.evtchn.flags = KVM_XEN_EVTCHN_UPDATE; in main()
588 inj.u.evtchn.deliver.port.vcpu = vcpu->id; in main()
591 inj.u.evtchn.send_port = 197; in main()
592 inj.u.evtchn.deliver.eventfd.port = 0; in main()
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/linux-6.1.9/arch/x86/kvm/
Dxen.c1621 u32 port = data->u.evtchn.send_port; in kvm_xen_eventfd_update()
1635 if (evtchnfd->type != data->u.evtchn.type) in kvm_xen_eventfd_update()
1643 evtchnfd->deliver.port.port != data->u.evtchn.deliver.port.port) in kvm_xen_eventfd_update()
1647 if (data->u.evtchn.deliver.port.priority != KVM_IRQ_ROUTING_XEN_EVTCHN_PRIO_2LEVEL) in kvm_xen_eventfd_update()
1651 evtchnfd->deliver.port.priority = data->u.evtchn.deliver.port.priority; in kvm_xen_eventfd_update()
1652 if (evtchnfd->deliver.port.vcpu_id != data->u.evtchn.deliver.port.vcpu) { in kvm_xen_eventfd_update()
1653 evtchnfd->deliver.port.vcpu_id = data->u.evtchn.deliver.port.vcpu; in kvm_xen_eventfd_update()
1667 u32 port = data->u.evtchn.send_port; in kvm_xen_eventfd_assign()
1679 switch(data->u.evtchn.type) { in kvm_xen_eventfd_assign()
1682 if (data->u.evtchn.deliver.port.port != data->u.evtchn.send_port) in kvm_xen_eventfd_assign()
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/linux-6.1.9/include/xen/interface/io/
Dpvcalls.h55 uint32_t evtchn; member
74 uint32_t evtchn; member
/linux-6.1.9/drivers/pci/
Dxen-pcifront.c44 int evtchn; member
117 evtchn_port_t port = pdev->evtchn; in do_pci_op()
642 notify_remote_via_evtchn(pdev->evtchn); in pcifront_do_aer()
720 pdev->evtchn = INVALID_EVTCHN; in alloc_pdev()
742 if (pdev->evtchn != INVALID_EVTCHN) in free_pdev()
743 xenbus_free_evtchn(pdev->xdev, pdev->evtchn); in free_pdev()
757 err = xenbus_alloc_evtchn(pdev->xdev, &pdev->evtchn); in pcifront_publish_info()
761 err = bind_evtchn_to_irqhandler(pdev->evtchn, pcifront_handler_aer, in pcifront_publish_info()
782 "event-channel", "%u", pdev->evtchn); in pcifront_publish_info()
/linux-6.1.9/drivers/input/misc/
Dxen-kbdfront.c426 int ret, evtchn; in xenkbd_connect_backend() local
435 ret = xenbus_alloc_evtchn(dev, &evtchn); in xenkbd_connect_backend()
438 ret = bind_evtchn_to_irqhandler(evtchn, input_handler, in xenkbd_connect_backend()
461 evtchn); in xenkbd_connect_backend()
482 xenbus_free_evtchn(dev, evtchn); in xenkbd_connect_backend()
/linux-6.1.9/net/9p/
Dtrans_xen.c40 int evtchn; member
352 ret = xenbus_alloc_evtchn(dev, &ring->evtchn); in xen_9pfs_front_alloc_dataring()
355 ring->irq = bind_evtchn_to_irqhandler(ring->evtchn, in xen_9pfs_front_alloc_dataring()
361 xenbus_free_evtchn(dev, ring->evtchn); in xen_9pfs_front_alloc_dataring()
447 priv->rings[i].evtchn); in xen_9pfs_front_probe()
/linux-6.1.9/drivers/video/fbdev/
Dxen-fbfront.c578 int ret, evtchn, irq; in xenfb_connect_backend() local
581 ret = xenbus_alloc_evtchn(dev, &evtchn); in xenfb_connect_backend()
584 irq = bind_evtchn_to_irqhandler(evtchn, xenfb_event_handler, in xenfb_connect_backend()
587 xenbus_free_evtchn(dev, evtchn); in xenfb_connect_backend()
602 evtchn); in xenfb_connect_backend()
/linux-6.1.9/drivers/block/xen-blkback/
Dxenbus.c193 unsigned int nr_grefs, unsigned int evtchn) in xen_blkif_map() argument
254 evtchn, xen_blkif_be_int, 0, "blkif-backend", ring); in xen_blkif_map()
974 unsigned int nr_grefs, evtchn; in read_per_ring_refs() local
977 &evtchn); in read_per_ring_refs()
1032 err = xen_blkif_map(ring, ring_ref, nr_grefs, evtchn); in read_per_ring_refs()
1034 xenbus_dev_fatal(dev, err, "mapping ring-ref port %u", evtchn); in read_per_ring_refs()
/linux-6.1.9/drivers/scsi/
Dxen-scsifront.c112 unsigned int evtchn; member
803 err = xenbus_alloc_evtchn(dev, &info->evtchn); in scsifront_alloc_ring()
809 err = bind_evtchn_to_irq_lateeoi(info->evtchn); in scsifront_alloc_ring()
852 pr_debug("%s: %u %u\n", __func__, info->ring_ref, info->evtchn); in scsifront_init_ring()
867 info->evtchn); in scsifront_init_ring()
/linux-6.1.9/drivers/net/xen-netback/
Dxenbus.c688 unsigned int evtchn; in connect_ctrl_ring() local
707 evtchn = val; in connect_ctrl_ring()
709 err = xenvif_connect_ctrl(vif, ring_ref, evtchn); in connect_ctrl_ring()
713 ring_ref, evtchn); in connect_ctrl_ring()
Dcommon.h360 unsigned int evtchn);
/linux-6.1.9/usr/include/
DMakefile52 no-header-test += xen/evtchn.h
/linux-6.1.9/include/xen/interface/
Dxen.h631 uint32_t evtchn; /* Event channel for console page. */ member
/linux-6.1.9/drivers/usb/host/
Dxen-hcd.c82 unsigned int evtchn; member
1131 err = xenbus_alloc_evtchn(dev, &info->evtchn); in xenhcd_setup_rings()
1137 err = bind_evtchn_to_irq_lateeoi(info->evtchn); in xenhcd_setup_rings()
1194 info->evtchn); in xenhcd_talk_to_backend()

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