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Searched refs:virtqueue (Results 1 – 25 of 40) sorted by relevance

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/linux/include/linux/
H A Dvirtio.h34 struct virtqueue { struct
36 void (*callback)(struct virtqueue *vq); argument
55 int virtqueue_add_outbuf(struct virtqueue *vq, argument
60 int virtqueue_add_inbuf(struct virtqueue *vq,
65 int virtqueue_add_inbuf_ctx(struct virtqueue *vq,
71 int virtqueue_add_inbuf_premapped(struct virtqueue *vq,
77 int virtqueue_add_outbuf_premapped(struct virtqueue *vq,
82 int virtqueue_add_sgs(struct virtqueue *vq,
89 struct device *virtqueue_dma_dev(struct virtqueue *vq);
91 bool virtqueue_kick(struct virtqueue *vq);
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H A Dvirtio_config.h19 typedef void vq_callback_t(struct virtqueue *);
122 struct virtqueue *vqs[],
132 int (*set_vq_affinity)(struct virtqueue *vq,
138 int (*disable_vq_and_reset)(struct virtqueue *vq);
139 int (*enable_vq_after_reset)(struct virtqueue *vq);
294 struct virtqueue *vqs[], in virtio_find_vqs()
302 struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev, in virtio_find_single_vq()
308 struct virtqueue *vq; in virtio_find_single_vq()
392 int virtqueue_set_affinity(struct virtqueue *vq, const struct cpumask *cpu_mask) in virtqueue_set_affinity()
/linux/drivers/virtio/
H A Dvirtio_ring.c163 struct virtqueue vq;
208 bool (*notify)(struct virtqueue *vq);
226 static void vring_free(struct virtqueue *_vq);
479 static struct vring_desc *alloc_indirect_split(struct virtqueue *_vq, in alloc_indirect_split()
508 static inline unsigned int virtqueue_add_desc_split(struct virtqueue *vq, in virtqueue_add_desc_split()
533 static inline int virtqueue_add_split(struct virtqueue *_vq, in virtqueue_add_split()
720 static bool virtqueue_kick_prepare_split(struct virtqueue *_vq) in virtqueue_kick_prepare_split()
815 static void *virtqueue_get_buf_ctx_split(struct virtqueue *_vq, in virtqueue_get_buf_ctx_split()
873 static void virtqueue_disable_cb_split(struct virtqueue *_vq) in virtqueue_disable_cb_split()
897 static unsigned int virtqueue_enable_cb_prepare_split(struct virtqueue *_vq) in virtqueue_enable_cb_prepare_split()
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H A Dvirtio_vdpa.c93 static bool virtio_vdpa_notify(struct virtqueue *vq) in virtio_vdpa_notify()
103 static bool virtio_vdpa_notify_with_data(struct virtqueue *vq) in virtio_vdpa_notify_with_data()
125 struct virtqueue *vq = private; in virtio_vdpa_virtqueue_cb()
130 static struct virtqueue *
132 void (*callback)(struct virtqueue *vq), in virtio_vdpa_setup_vq()
137 bool (*notify)(struct virtqueue *vq) = virtio_vdpa_notify; in virtio_vdpa_setup_vq()
139 struct virtqueue *vq; in virtio_vdpa_setup_vq()
246 static void virtio_vdpa_del_vq(struct virtqueue *vq) in virtio_vdpa_del_vq()
261 struct virtqueue *vq, *n; in virtio_vdpa_del_vqs()
329 struct virtqueue *vqs[], in virtio_vdpa_find_vqs()
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H A Dvirtio_mmio.c264 static bool vm_notify(struct virtqueue *vq) in vm_notify()
274 static bool vm_notify_with_data(struct virtqueue *vq) in vm_notify_with_data()
288 struct virtqueue *vq; in vm_interrupt()
311 static void vm_del_vq(struct virtqueue *vq) in vm_del_vq()
331 struct virtqueue *vq, *n; in vm_del_vqs()
346 static struct virtqueue *vm_setup_vq(struct virtio_device *vdev, unsigned int index, in vm_setup_vq()
347 void (*callback)(struct virtqueue *vq), in vm_setup_vq()
351 bool (*notify)(struct virtqueue *vq); in vm_setup_vq()
352 struct virtqueue *vq; in vm_setup_vq()
447 struct virtqueue *vqs[], in vm_find_vqs()
H A Dvirtio_pci_legacy.c110 static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, in setup_vq()
113 void (*callback)(struct virtqueue *vq), in setup_vq()
118 struct virtqueue *vq; in setup_vq()
173 struct virtqueue *vq = info->vq; in del_vq()
H A Dvirtio_rtc_driver.c36 struct virtqueue *vq;
134 static int viortc_feed_vq(struct viortc_dev *viortc, struct virtqueue *vq, in viortc_feed_vq()
227 static void viortc_do_cb(struct virtqueue *vq, in viortc_do_cb()
229 struct virtqueue *vq, in viortc_do_cb()
279 struct virtqueue *vq, in viortc_requestq_hdlr()
297 static void viortc_cb_requestq(struct virtqueue *vq) in viortc_cb_requestq()
316 struct virtqueue *vq, in viortc_alarmq_hdlr()
376 static void viortc_cb_alarmq(struct virtqueue *vq) in viortc_cb_alarmq()
1140 struct virtqueue *vq; in viortc_populate_vq()
1214 struct virtqueue *vqs[VIORTC_MAX_NR_QUEUES]; in viortc_init_vqs()
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H A Dvirtio_pci_modern.c47 void vp_modern_avq_done(struct virtqueue *vq) in vp_modern_avq_done()
84 struct virtqueue *vq; in virtqueue_exec_admin_cmd()
352 struct virtqueue *vq; in vp_modern_avq_cleanup()
567 static int vp_active_vq(struct virtqueue *vq, u16 msix_vec) in vp_active_vq()
590 static int vp_modern_disable_vq_and_reset(struct virtqueue *vq) in vp_modern_disable_vq_and_reset()
629 static int vp_modern_enable_vq_after_reset(struct virtqueue *vq) in vp_modern_enable_vq_after_reset()
676 static bool vp_notify_with_data(struct virtqueue *vq) in vp_notify_with_data()
685 static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, in setup_vq()
688 void (*callback)(struct virtqueue *vq), in setup_vq()
695 bool (*notify)(struct virtqueue *vq); in setup_vq()
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H A Dvirtio_balloon.c57 struct virtqueue *inflate_vq, *deflate_vq, *stats_vq, *free_page_vq;
120 struct virtqueue *reporting_vq;
176 static void balloon_ack(struct virtqueue *vq) in balloon_ack()
183 static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq) in tell_host()
204 struct virtqueue *vq = vb->reporting_vq; in virtballoon_free_page_report()
434 static void stats_request(struct virtqueue *vq) in stats_request()
448 struct virtqueue *vq; in stats_handle_request()
581 struct virtqueue *vqs[VIRTIO_BALLOON_VQ_MAX]; in init_vqs()
661 struct virtqueue *vq = vb->free_page_vq; in send_cmd_id_start()
680 struct virtqueue *vq = vb->free_page_vq; in send_cmd_id_stop()
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/linux/Documentation/driver-api/virtio/
H A Dwriting_virtio_drivers.rst24 virtqueue definitions in the device. A basic driver skeleton could look
34 struct virtqueue *vq;
37 static void virtio_dummy_recv_cb(struct virtqueue *vq)
57 /* the device has a single virtqueue */
121 virtqueue. virtio_device_ready() is used to enable the virtqueue and to
144 appropriate virtqueue using any of the virtqueue_add_inbuf(),
148 `scatterlists`, respectively. Then, once the virtqueue is set up, a call
168 read the data produced by the device (if the virtqueue was set up with
175 The virtqueue callbacks can be disabled and re-enabled using the
187 device or the virtqueue (virtio_reset_device()).
H A Dvirtio.rst51 The :c:type:`vring_virtqueue` struct models a virtqueue, including the
53 :c:type:`virtqueue` struct, which is the data structure that's
57 :identifiers: struct virtqueue
63 a virtqueue during the virtqueue setup process (transport-specific).
/linux/drivers/i2c/busses/
H A Di2c-virtio.c31 struct virtqueue *vq;
48 static void virtio_i2c_msg_done(struct virtqueue *vq) in virtio_i2c_msg_done()
57 static int virtio_i2c_prepare_reqs(struct virtqueue *vq, in virtio_i2c_prepare_reqs()
109 static int virtio_i2c_complete_reqs(struct virtqueue *vq, in virtio_i2c_complete_reqs()
138 struct virtqueue *vq = vi->vq; in virtio_i2c_xfer()
/linux/Documentation/userspace-api/
H A Dvduse.rst28 2. Setup each virtqueue with ioctl(VDUSE_VQ_SETUP) on /dev/vduse/$NAME.
104 add per-virtqueue configuration such as the max size of virtqueue to the device.
140 - VDUSE_GET_VQ_STATE: Get the state for virtqueue, userspace should return
141 avail index for split virtqueue or the device/driver ring wrap counters and
142 the avail and used index for packed virtqueue.
157 1. Get the specified virtqueue's information with the VDUSE_VQ_GET_INFO ioctl,
230 5. Inject an interrupt for specific virtqueue with the VDUSE_INJECT_VQ_IRQ ioctl
/linux/drivers/nvdimm/
H A Dvirtio_pmem.h36 struct virtqueue *req_vq;
53 void virtio_pmem_host_ack(struct virtqueue *vq);
/linux/drivers/bluetooth/
H A Dvirtio_bt.c24 struct virtqueue *vqs[VIRTBT_NUM_VQS];
31 struct virtqueue *vq = vbt->vqs[VIRTBT_VQ_RX]; in virtbt_add_inbuf()
77 struct virtqueue *vq = vbt->vqs[i]; in virtbt_close_vdev()
239 static void virtbt_tx_done(struct virtqueue *vq) in virtbt_tx_done()
248 static void virtbt_rx_done(struct virtqueue *vq) in virtbt_rx_done()
/linux/drivers/char/
H A Dvirtio_console.c147 struct virtqueue *c_ivq, *c_ovq;
156 struct virtqueue **in_vqs, **out_vqs;
188 struct virtqueue *in_vq, *out_vq;
308 struct virtqueue *vq) in find_port_by_vq()
483 static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf) in add_inbuf()
543 struct virtqueue *vq; in __send_control_msg()
600 struct virtqueue *out_vq; in __send_to_port()
1290 static int fill_queue(struct virtqueue *vq, spinlock_t *lock) in fill_queue()
1663 struct virtqueue *vq; in control_work_handler()
1689 static void flush_bufs(struct virtqueue *vq, bool can_sleep) in flush_bufs()
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/linux/drivers/s390/virtio/
H A Dvirtio_ccw.c158 struct virtqueue *vq;
232 static void drop_airq_indicator(struct virtqueue *vq, struct airq_info *info) in drop_airq_indicator()
302 static unsigned long *get_airq_indicator(struct virtqueue *vqs[], int nvqs, in get_airq_indicator()
440 static inline bool virtio_ccw_do_kvm_notify(struct virtqueue *vq, u32 data) in virtio_ccw_do_kvm_notify()
457 static bool virtio_ccw_kvm_notify(struct virtqueue *vq) in virtio_ccw_kvm_notify()
462 static bool virtio_ccw_kvm_notify_with_data(struct virtqueue *vq) in virtio_ccw_kvm_notify_with_data()
483 static void virtio_ccw_del_vq(struct virtqueue *vq, struct ccw1 *ccw) in virtio_ccw_del_vq()
532 struct virtqueue *vq, *n; in virtio_ccw_del_vqs()
548 static struct virtqueue *virtio_ccw_setup_vq(struct virtio_device *vdev, in virtio_ccw_setup_vq()
554 bool (*notify)(struct virtqueue *vq); in virtio_ccw_setup_vq()
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/linux/arch/um/drivers/
H A Dvirtio_uml.c382 struct virtqueue *vq; in vu_req_read_message()
444 struct virtqueue *vq; in vu_req_interrupt()
790 static bool vu_notify(struct virtqueue *vq) in vu_notify()
818 struct virtqueue *vq = opaque; in vu_interrupt()
871 static void vu_del_vq(struct virtqueue *vq) in vu_del_vq()
894 struct virtqueue *vq, *n; in vu_del_vqs()
909 struct virtqueue *vq) in vu_setup_vq_call_fd()
956 static struct virtqueue *vu_setup_vq(struct virtio_device *vdev, in vu_setup_vq()
963 struct virtqueue *vq; in vu_setup_vq()
1034 struct virtqueue *vqs[], in vu_find_vqs()
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H A Dvirtio_pcidev.c38 struct virtqueue *cmd_vq, *irq_vq;
393 static void virtio_pcidev_irq_vq_addbuf(struct virtqueue *vq, void *buf, bool kick) in virtio_pcidev_irq_vq_addbuf()
404 static void virtio_pcidev_handle_irq_message(struct virtqueue *vq, in virtio_pcidev_handle_irq_message()
435 static void virtio_pcidev_cmd_vq_cb(struct virtqueue *vq) in virtio_pcidev_cmd_vq_cb()
449 static void virtio_pcidev_irq_vq_cb(struct virtqueue *vq) in virtio_pcidev_irq_vq_cb()
469 struct virtqueue *vqs[2]; in virtio_pcidev_init_vqs()
/linux/drivers/remoteproc/
H A Dremoteproc_virtio.c65 static bool rproc_virtio_notify(struct virtqueue *vq) in rproc_virtio_notify()
103 static struct virtqueue *rp_find_vq(struct virtio_device *vdev, in rp_find_vq()
105 void (*callback)(struct virtqueue *vq), in rp_find_vq()
114 struct virtqueue *vq; in rp_find_vq()
168 struct virtqueue *vq, *n; in __rproc_virtio_del_vqs()
184 struct virtqueue *vqs[], in rproc_virtio_find_vqs()
/linux/sound/virtio/
H A Dvirtio_pcm.h105 void virtsnd_pcm_tx_notify_cb(struct virtqueue *vqueue);
107 void virtsnd_pcm_rx_notify_cb(struct virtqueue *vqueue);
/linux/drivers/scsi/
H A Dvirtio_scsi.c72 struct virtqueue *vq;
182 struct virtqueue *vq = virtscsi_vq->vq; in virtscsi_vq_done()
194 static void virtscsi_req_done(struct virtqueue *vq) in virtscsi_req_done()
222 static void virtscsi_ctrl_done(struct virtqueue *vq) in virtscsi_ctrl_done()
420 static void virtscsi_event_done(struct virtqueue *vq) in virtscsi_event_done()
428 static int __virtscsi_add_cmd(struct virtqueue *vq, in __virtscsi_add_cmd()
824 struct virtqueue *vq) in virtscsi_init_vq()
844 struct virtqueue **vqs; in virtscsi_init()
849 vqs = kmalloc_array(num_vqs, sizeof(struct virtqueue *), GFP_KERNEL); in virtscsi_init()
/linux/Documentation/filesystems/
H A Dvirtiofs.rst64 FUSE requests are placed into a virtqueue and processed by the host. The
73 This is especially important if the virtqueue becomes full since it is then
75 the virtio-fs device uses a "hiprio" virtqueue specifically for requests that
/linux/tools/virtio/
H A Dvringh_test.c27 static bool never_notify_host(struct virtqueue *vq) in never_notify_host()
32 static void never_callback_guest(struct virtqueue *vq) in never_callback_guest()
70 static bool parallel_notify_host(struct virtqueue *vq) in parallel_notify_host()
83 static bool no_notify_host(struct virtqueue *vq) in no_notify_host()
297 struct virtqueue *vq; in parallel_test()
445 struct virtqueue *vq; in main()
/linux/drivers/gpio/
H A Dgpio-virtio.c49 struct virtqueue *request_vq;
52 struct virtqueue *event_vq;
387 static void virtio_gpio_event_vq(struct virtqueue *vq) in virtio_gpio_event_vq()
424 static void virtio_gpio_request_vq(struct virtqueue *vq) in virtio_gpio_request_vq()
452 struct virtqueue *vqs[2] = { NULL, NULL }; in virtio_gpio_alloc_vqs()

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