| /linux-6.12.1/Documentation/driver-api/virtio/ |
| D | virtio.rst | 24 Device - Driver communication: virtqueues
37 virtqueues, which are actually ring buffers [#f1]_ of buffer descriptors
46 Refer to Chapter 2.5 ("Virtqueues") of the virtio spec (`[1]`_) for the
47 reference definitions of virtqueues and "Virtqueues and virtio ring: How
126 At this point, the virtqueues will be allocated and configured by
140 _`[2]` Virtqueues and virtio ring: How the data travels
141 https://www.redhat.com/en/blog/virtqueues-and-virtio-ring-how-data-travels
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| D | writing_virtio_drivers.rst | 22 and configure the virtqueues for the device according to its spec, the
23 configuration of the virtqueues in the driver side must match the
87 /* remove virtqueues */
123 ("DRIVER_OK"). The virtqueues are anyway enabled automatically by the
129 In any case, the virtqueues need to be enabled before adding buffers to
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| /linux-6.12.1/drivers/virtio/ |
| D | virtio_pci_common.h | 38 /* the list node for the virtqueues or slow_virtqueues list */
73 struct list_head virtqueues; member
76 /* Array of all virtqueues reported in the
113 * virtqueues Thus, we need at least 2 vectors for MSI. */
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| D | virtio_pci_common.c | 59 /* Notify all slow path virtqueues on an interrupt. */
82 /* Notify all virtqueues on an interrupt. */
91 list_for_each_entry(info, &vp_dev->virtqueues, node) { in vp_vring_interrupt()
188 "%s-virtqueues", name); in vp_request_msix_vectors()
231 list_add(&info->node, &vp_dev->virtqueues); in vp_setup_vq()
697 INIT_LIST_HEAD(&vp_dev->virtqueues); in virtio_pci_probe()
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| D | virtio_vdpa.c | 35 struct list_head virtqueues; member
42 /* the list node for the virtqueues list */
255 list_add(&info->node, &vd_dev->virtqueues); in virtio_vdpa_setup_vq()
505 INIT_LIST_HEAD(&vd_dev->virtqueues); in virtio_vdpa_probe()
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| D | virtio_mmio.c | 94 struct list_head virtqueues; member
101 /* the list node for the virtqueues list */
299 /* Notify all virtqueues on an interrupt. */
319 list_for_each_entry(info, &vm_dev->virtqueues, node) in vm_interrupt()
470 list_add(&info->node, &vm_dev->virtqueues); in vm_setup_vq()
630 INIT_LIST_HEAD(&vm_dev->virtqueues); in virtio_mmio_probe()
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| D | virtio_pci_modern_dev.c | 662 * vp_modern_get_num_queues - get the number of virtqueues
665 * Returns the number of virtqueues
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| /linux-6.12.1/Documentation/filesystems/ |
| D | virtiofs.rst | 68 Mapping /dev/fuse to virtqueues requires solving differences in semantics
69 between /dev/fuse and virtqueues. Each time the /dev/fuse device is read, the
71 prioritize certain requests over others. Virtqueues have queue semantics and
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| /linux-6.12.1/tools/perf/trace/beauty/include/uapi/linux/ |
| D | vhost.h | 48 /* By default, a device gets one vhost_worker that its virtqueues share. This
50 * for the device. It can later be bound to 1 or more of its virtqueues using
93 * virtqueues.
96 * is no longer attached to any virtqueues, it can be freed with
226 /* Get the count of all virtqueues */
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| /linux-6.12.1/include/uapi/linux/ |
| D | vhost.h | 48 /* By default, a device gets one vhost_worker that its virtqueues share. This
50 * for the device. It can later be bound to 1 or more of its virtqueues using
93 * virtqueues.
96 * is no longer attached to any virtqueues, it can be freed with
226 /* Get the count of all virtqueues */
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| D | virtio_scmi.h | 18 /* Virtqueues */
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| D | virtio_net.h | 300 * the device, the device will not steer new packets on receive virtqueues
301 * other than specified nor read from transmit virtqueues other than specified.
302 * Accordingly, driver should not transmit new packets on virtqueues other than
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| D | vduse.h | 28 * @vq_num: the number of virtqueues
132 * Setup the specified virtqueue. Make sure all virtqueues have been
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| D | virtio_config.h | 119 * This feature indicates that the device support administration virtqueues.
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| D | vhost_types.h | 184 /* Device supports the driver enabling virtqueues both before and after
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| /linux-6.12.1/Documentation/userspace-api/ |
| D | vduse.rst | 101 configuration space, the number of virtqueues and so on for this emulated device.
221 3. Setup the kick eventfd for the specified virtqueues with the VDUSE_VQ_SETUP_KICKFD
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| /linux-6.12.1/include/linux/ |
| D | virtio_config.h | 66 * @find_vqs: find virtqueues and instantiate them.
68 * nvqs: the number of virtqueues to find
69 * vqs: on success, includes new virtqueues
72 * @del_vqs: free virtqueues found by find_vqs().
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| D | virtio.h | 17 * @list: the chain of virtqueues for this device
131 * @vqs: the list of virtqueues for this device.
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| /linux-6.12.1/sound/virtio/ |
| D | virtio_card.c | 102 * virtsnd_find_vqs() - Enumerate and initialize all virtqueues.
130 dev_err(&vdev->dev, "failed to initialize virtqueues\n"); in virtsnd_find_vqs()
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| /linux-6.12.1/drivers/crypto/virtio/ |
| D | virtio_crypto_common.h | 80 /* Does the affinity hint is set for virtqueues? */
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| /linux-6.12.1/drivers/scsi/ |
| D | virtio_scsi.c | 43 "The number of dedicated virtqueues for polling I/O");
633 * virtqueues once. in virtscsi_tmf()
833 /* Stop all the virtqueues. */ in virtscsi_remove_vqs()
881 /* Discover virtqueues and write information to configuration. */ in virtscsi_init()
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| /linux-6.12.1/drivers/block/ |
| D | virtio_blk.c | 43 MODULE_PARM_DESC(poll_queues, "The number of dedicated virtqueues for polling I/O");
1022 /* Discover virtqueues and write information to configuration. */ in init_vq()
1576 /* Stop all the virtqueues. */ in virtblk_remove()
1579 /* Virtqueues are stopped, nothing can use vblk->vdev anymore. */ in virtblk_remove()
1595 /* Ensure no requests in virtqueues before deleting vqs. */ in virtblk_freeze()
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| /linux-6.12.1/drivers/s390/virtio/ |
| D | virtio_ccw.c | 68 struct list_head virtqueues; member
341 list_for_each_entry(info, &vcdev->virtqueues, node) in virtio_ccw_drop_indicators()
624 list_add(&info->node, &vcdev->virtqueues); in virtio_ccw_setup_vq()
1122 list_for_each_entry(info, &vcdev->virtqueues, node) { in virtio_ccw_vq_by_ind()
1382 INIT_LIST_HEAD(&vcdev->virtqueues); in virtio_ccw_online()
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| /linux-6.12.1/Documentation/devicetree/bindings/remoteproc/ |
| D | st,stm32-rproc.yaml | 68 A channel (a) used to communicate through virtqueues with the
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| /linux-6.12.1/drivers/firmware/arm_scmi/transports/ |
| D | virtio.c | 587 * dequeued from the virtqueues (VIO_MSG_POLL_DONE): this is needed since such
636 * this means that it is possible to poll the virtqueues waiting for something
650 * in virtqueues handling mechanisms), we similarly kick the deferred worker
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