| /linux-4.4.14/drivers/xen/events/ |
| D | events_base.c | 119 static int set_evtchn_to_irq(unsigned evtchn, unsigned irq) in set_evtchn_to_irq() argument
124 if (evtchn >= xen_evtchn_max_channels()) in set_evtchn_to_irq()
127 row = EVTCHN_ROW(evtchn); in set_evtchn_to_irq()
128 col = EVTCHN_COL(evtchn); in set_evtchn_to_irq()
142 evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)] = irq; in set_evtchn_to_irq()
146 int get_evtchn_to_irq(unsigned evtchn) in get_evtchn_to_irq() argument
148 if (evtchn >= xen_evtchn_max_channels()) in get_evtchn_to_irq()
150 if (evtchn_to_irq[EVTCHN_ROW(evtchn)] == NULL) in get_evtchn_to_irq()
152 return evtchn_to_irq[EVTCHN_ROW(evtchn)][EVTCHN_COL(evtchn)]; in get_evtchn_to_irq()
165 unsigned evtchn, in xen_irq_info_common_setup() argument
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| D | events_internal.h | 38 unsigned int evtchn; /* event channel */ member
79 int get_evtchn_to_irq(unsigned int evtchn);
83 unsigned cpu_from_evtchn(unsigned int evtchn);
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| D | events_2l.c | 51 clear_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, info->cpu))); in evtchn_2l_bind_to_cpu()
52 set_bit(info->evtchn, BM(per_cpu(cpu_evtchn_mask, cpu))); in evtchn_2l_bind_to_cpu()
175 unsigned int evtchn = evtchn_from_irq(irq); in evtchn_2l_handle_events() local
176 word_idx = evtchn / BITS_PER_LONG; in evtchn_2l_handle_events()
177 bit_idx = evtchn % BITS_PER_LONG; in evtchn_2l_handle_events()
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| D | events_fifo.c | 143 unsigned port = info->evtchn; in evtchn_fifo_setup()
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| /linux-4.4.14/drivers/xen/ |
| D | evtchn.c | 114 static int add_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) in add_evtchn() argument
126 if (this->port < evtchn->port) in add_evtchn()
128 else if (this->port > evtchn->port) in add_evtchn()
135 rb_link_node(&evtchn->node, parent, new); in add_evtchn()
136 rb_insert_color(&evtchn->node, &u->evtchns); in add_evtchn()
141 static void del_evtchn(struct per_user_data *u, struct user_evtchn *evtchn) in del_evtchn() argument
144 rb_erase(&evtchn->node, &u->evtchns); in del_evtchn()
145 kfree(evtchn); in del_evtchn()
153 struct user_evtchn *evtchn; in find_evtchn() local
155 evtchn = container_of(node, struct user_evtchn, node); in find_evtchn()
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| D | Makefile | 21 obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o
39 xen-evtchn-y := evtchn.o
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| D | xen-scsiback.c | 796 evtchn_port_t evtchn) in scsiback_init_sring() argument
812 err = bind_interdomain_evtchn_to_irq(info->domid, evtchn); in scsiback_init_sring()
837 unsigned int ring_ref, evtchn; in scsiback_map() local
842 "event-channel", "%u", &evtchn, NULL); in scsiback_map()
848 return scsiback_init_sring(info, ring_ref, evtchn); in scsiback_map()
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| D | Kconfig | 87 tristate "Xen /dev/xen/evtchn device"
90 The evtchn driver allows a userspace process to trigger event
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| /linux-4.4.14/include/xen/ |
| D | events.h | 15 int bind_evtchn_to_irq(unsigned int evtchn);
16 int bind_evtchn_to_irqhandler(unsigned int evtchn,
55 int evtchn_make_refcounted(unsigned int evtchn);
56 int evtchn_get(unsigned int evtchn);
57 void evtchn_put(unsigned int evtchn);
60 void rebind_evtchn_irq(int evtchn, int irq);
86 unsigned irq_from_evtchn(unsigned int evtchn);
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| /linux-4.4.14/drivers/tty/hvc/ |
| D | hvc_xen.c | 51 unsigned int evtchn; member
88 notify_remote_via_evtchn(cons->evtchn); in notify_daemon()
227 info->evtchn = v; in xen_hvm_console_init()
255 if (!xen_start_info->console.domU.evtchn) in xen_pv_console_init()
267 info->evtchn = xen_start_info->console.domU.evtchn; in xen_pv_console_init()
311 info->evtchn = v; in xen_console_update_evtchn()
313 info->evtchn = xen_start_info->console.domU.evtchn; in xen_console_update_evtchn()
322 rebind_evtchn_irq(info->evtchn, info->irq); in xen_console_resume()
331 if (info->evtchn > 0) in xencons_disconnect_backend()
332 xenbus_free_evtchn(info->xbdev, info->evtchn); in xencons_disconnect_backend()
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| /linux-4.4.14/drivers/char/tpm/ |
| D | xen-tpmfront.c | 28 unsigned int evtchn; member
66 notify_remote_via_evtchn(priv->evtchn); in vtpm_cancel()
101 notify_remote_via_evtchn(priv->evtchn); in vtpm_send()
210 rv = xenbus_alloc_evtchn(dev, &priv->evtchn); in setup_ring()
214 rv = bind_evtchn_to_irqhandler(priv->evtchn, tpmif_interrupt, 0, in setup_ring()
237 priv->evtchn); in setup_ring()
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| /linux-4.4.14/drivers/input/misc/ |
| D | xen-kbdfront.c | 237 int ret, evtchn; in xenkbd_connect_backend() local
246 ret = xenbus_alloc_evtchn(dev, &evtchn); in xenkbd_connect_backend()
249 ret = bind_evtchn_to_irqhandler(evtchn, input_handler, in xenkbd_connect_backend()
271 evtchn); in xenkbd_connect_backend()
292 xenbus_free_evtchn(dev, evtchn); in xenkbd_connect_backend()
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| /linux-4.4.14/drivers/pci/ |
| D | xen-pcifront.c | 42 int evtchn; member
118 evtchn_port_t port = pdev->evtchn; in do_pci_op()
671 notify_remote_via_evtchn(pdev->evtchn); in pcifront_do_aer()
749 pdev->evtchn = INVALID_EVTCHN; in alloc_pdev()
772 if (pdev->evtchn != INVALID_EVTCHN) in free_pdev()
773 xenbus_free_evtchn(pdev->xdev, pdev->evtchn); in free_pdev()
798 err = xenbus_alloc_evtchn(pdev->xdev, &pdev->evtchn); in pcifront_publish_info()
802 err = bind_evtchn_to_irqhandler(pdev->evtchn, pcifront_handler_aer, in pcifront_publish_info()
823 "event-channel", "%u", pdev->evtchn); in pcifront_publish_info()
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| /linux-4.4.14/include/uapi/xen/ |
| D | Kbuild | 2 header-y += evtchn.h
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| /linux-4.4.14/drivers/block/xen-blkback/ |
| D | xenbus.c | 161 unsigned int nr_grefs, unsigned int evtchn) in xen_blkif_map() argument
203 err = bind_interdomain_evtchn_to_irqhandler(blkif->domid, evtchn, in xen_blkif_map()
833 unsigned int evtchn, nr_grefs, ring_page_order; in connect_ring() local
842 &evtchn); in connect_ring()
849 pr_info("event-channel %u\n", evtchn); in connect_ring()
919 nr_grefs, evtchn, be->blkif->blk_protocol, protocol, in connect_ring()
941 err = xen_blkif_map(be->blkif, ring_ref, nr_grefs, evtchn); in connect_ring()
943 xenbus_dev_fatal(dev, err, "mapping ring-ref port %u", evtchn); in connect_ring()
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| /linux-4.4.14/drivers/video/fbdev/ |
| D | xen-fbfront.c | 569 int ret, evtchn, irq; in xenfb_connect_backend() local
572 ret = xenbus_alloc_evtchn(dev, &evtchn); in xenfb_connect_backend()
575 irq = bind_evtchn_to_irqhandler(evtchn, xenfb_event_handler, in xenfb_connect_backend()
578 xenbus_free_evtchn(dev, evtchn); in xenfb_connect_backend()
593 evtchn); in xenfb_connect_backend()
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| /linux-4.4.14/drivers/scsi/ |
| D | xen-scsifront.c | 106 unsigned int evtchn; member
739 err = xenbus_alloc_evtchn(dev, &info->evtchn); in scsifront_alloc_ring()
745 err = bind_evtchn_to_irq(info->evtchn); in scsifront_alloc_ring()
790 pr_debug("%s: %u %u\n", __func__, info->ring_ref, info->evtchn); in scsifront_init_ring()
805 info->evtchn); in scsifront_init_ring()
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| /linux-4.4.14/include/xen/interface/ |
| D | xen.h | 629 uint32_t evtchn; /* Event channel for console page. */ member
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| /linux-4.4.14/drivers/block/ |
| D | xen-blkfront.c | 139 unsigned int evtchn, irq; member
1182 info->evtchn = info->irq = 0; in blkif_free()
1439 err = xenbus_alloc_evtchn(dev, &info->evtchn); in setup_blkring()
1443 err = bind_evtchn_to_irqhandler(info->evtchn, blkif_interrupt, 0, in setup_blkring()
1518 "event-channel", "%u", info->evtchn); in talk_to_blkback()
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| /linux-4.4.14/arch/x86/xen/ |
| D | enlighten.c | 1701 xen_start_info->console.domU.evtchn = 0; in xen_start_kernel()
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| /linux-4.4.14/Documentation/ioctl/ |
| D | ioctl-number.txt | 114 'E' 00-0F xen/evtchn.h conflict!
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