Lines Matching refs:vp_dev
30 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_synchronize_vectors() local
33 if (vp_dev->intx_enabled) in vp_synchronize_vectors()
34 synchronize_irq(vp_dev->pci_dev->irq); in vp_synchronize_vectors()
36 for (i = 0; i < vp_dev->msix_vectors; ++i) in vp_synchronize_vectors()
37 synchronize_irq(pci_irq_vector(vp_dev->pci_dev, i)); in vp_synchronize_vectors()
52 struct virtio_pci_device *vp_dev = opaque; in vp_config_changed() local
54 virtio_config_changed(&vp_dev->vdev); in vp_config_changed()
61 struct virtio_pci_device *vp_dev = opaque; in vp_vring_interrupt() local
66 spin_lock_irqsave(&vp_dev->lock, flags); in vp_vring_interrupt()
67 list_for_each_entry(info, &vp_dev->virtqueues, node) { in vp_vring_interrupt()
71 spin_unlock_irqrestore(&vp_dev->lock, flags); in vp_vring_interrupt()
84 struct virtio_pci_device *vp_dev = opaque; in vp_interrupt() local
89 isr = ioread8(vp_dev->isr); in vp_interrupt()
105 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_request_msix_vectors() local
106 const char *name = dev_name(&vp_dev->vdev.dev); in vp_request_msix_vectors()
111 vp_dev->msix_vectors = nvectors; in vp_request_msix_vectors()
113 vp_dev->msix_names = kmalloc_array(nvectors, in vp_request_msix_vectors()
114 sizeof(*vp_dev->msix_names), in vp_request_msix_vectors()
116 if (!vp_dev->msix_names) in vp_request_msix_vectors()
118 vp_dev->msix_affinity_masks in vp_request_msix_vectors()
119 = kcalloc(nvectors, sizeof(*vp_dev->msix_affinity_masks), in vp_request_msix_vectors()
121 if (!vp_dev->msix_affinity_masks) in vp_request_msix_vectors()
124 if (!alloc_cpumask_var(&vp_dev->msix_affinity_masks[i], in vp_request_msix_vectors()
133 err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors, in vp_request_msix_vectors()
137 vp_dev->msix_enabled = 1; in vp_request_msix_vectors()
140 v = vp_dev->msix_used_vectors; in vp_request_msix_vectors()
141 snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, in vp_request_msix_vectors()
143 err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), in vp_request_msix_vectors()
144 vp_config_changed, 0, vp_dev->msix_names[v], in vp_request_msix_vectors()
145 vp_dev); in vp_request_msix_vectors()
148 ++vp_dev->msix_used_vectors; in vp_request_msix_vectors()
150 v = vp_dev->config_vector(vp_dev, v); in vp_request_msix_vectors()
159 v = vp_dev->msix_used_vectors; in vp_request_msix_vectors()
160 snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, in vp_request_msix_vectors()
162 err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), in vp_request_msix_vectors()
163 vp_vring_interrupt, 0, vp_dev->msix_names[v], in vp_request_msix_vectors()
164 vp_dev); in vp_request_msix_vectors()
167 ++vp_dev->msix_used_vectors; in vp_request_msix_vectors()
180 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_setup_vq() local
189 vq = vp_dev->setup_vq(vp_dev, info, index, callback, name, ctx, in vp_setup_vq()
196 spin_lock_irqsave(&vp_dev->lock, flags); in vp_setup_vq()
197 list_add(&info->node, &vp_dev->virtqueues); in vp_setup_vq()
198 spin_unlock_irqrestore(&vp_dev->lock, flags); in vp_setup_vq()
203 vp_dev->vqs[index] = info; in vp_setup_vq()
213 struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); in vp_del_vq() local
214 struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; in vp_del_vq()
217 spin_lock_irqsave(&vp_dev->lock, flags); in vp_del_vq()
219 spin_unlock_irqrestore(&vp_dev->lock, flags); in vp_del_vq()
221 vp_dev->del_vq(info); in vp_del_vq()
228 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_del_vqs() local
233 if (vp_dev->per_vq_vectors) { in vp_del_vqs()
234 int v = vp_dev->vqs[vq->index]->msix_vector; in vp_del_vqs()
237 int irq = pci_irq_vector(vp_dev->pci_dev, v); in vp_del_vqs()
245 vp_dev->per_vq_vectors = false; in vp_del_vqs()
247 if (vp_dev->intx_enabled) { in vp_del_vqs()
248 free_irq(vp_dev->pci_dev->irq, vp_dev); in vp_del_vqs()
249 vp_dev->intx_enabled = 0; in vp_del_vqs()
252 for (i = 0; i < vp_dev->msix_used_vectors; ++i) in vp_del_vqs()
253 free_irq(pci_irq_vector(vp_dev->pci_dev, i), vp_dev); in vp_del_vqs()
255 if (vp_dev->msix_affinity_masks) { in vp_del_vqs()
256 for (i = 0; i < vp_dev->msix_vectors; i++) in vp_del_vqs()
257 if (vp_dev->msix_affinity_masks[i]) in vp_del_vqs()
258 free_cpumask_var(vp_dev->msix_affinity_masks[i]); in vp_del_vqs()
261 if (vp_dev->msix_enabled) { in vp_del_vqs()
263 vp_dev->config_vector(vp_dev, VIRTIO_MSI_NO_VECTOR); in vp_del_vqs()
265 pci_free_irq_vectors(vp_dev->pci_dev); in vp_del_vqs()
266 vp_dev->msix_enabled = 0; in vp_del_vqs()
269 vp_dev->msix_vectors = 0; in vp_del_vqs()
270 vp_dev->msix_used_vectors = 0; in vp_del_vqs()
271 kfree(vp_dev->msix_names); in vp_del_vqs()
272 vp_dev->msix_names = NULL; in vp_del_vqs()
273 kfree(vp_dev->msix_affinity_masks); in vp_del_vqs()
274 vp_dev->msix_affinity_masks = NULL; in vp_del_vqs()
275 kfree(vp_dev->vqs); in vp_del_vqs()
276 vp_dev->vqs = NULL; in vp_del_vqs()
285 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_find_vqs_msix() local
289 vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); in vp_find_vqs_msix()
290 if (!vp_dev->vqs) in vp_find_vqs_msix()
309 vp_dev->per_vq_vectors = per_vq_vectors; in vp_find_vqs_msix()
310 allocated_vectors = vp_dev->msix_used_vectors; in vp_find_vqs_msix()
319 else if (vp_dev->per_vq_vectors) in vp_find_vqs_msix()
331 if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR) in vp_find_vqs_msix()
335 snprintf(vp_dev->msix_names[msix_vec], in vp_find_vqs_msix()
336 sizeof *vp_dev->msix_names, in vp_find_vqs_msix()
338 dev_name(&vp_dev->vdev.dev), names[i]); in vp_find_vqs_msix()
339 err = request_irq(pci_irq_vector(vp_dev->pci_dev, msix_vec), in vp_find_vqs_msix()
341 vp_dev->msix_names[msix_vec], in vp_find_vqs_msix()
357 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_find_vqs_intx() local
360 vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); in vp_find_vqs_intx()
361 if (!vp_dev->vqs) in vp_find_vqs_intx()
364 err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, IRQF_SHARED, in vp_find_vqs_intx()
365 dev_name(&vdev->dev), vp_dev); in vp_find_vqs_intx()
369 vp_dev->intx_enabled = 1; in vp_find_vqs_intx()
370 vp_dev->per_vq_vectors = false; in vp_find_vqs_intx()
413 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_bus_name() local
415 return pci_name(vp_dev->pci_dev); in vp_bus_name()
426 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_set_vq_affinity() local
427 struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; in vp_set_vq_affinity()
434 if (vp_dev->msix_enabled) { in vp_set_vq_affinity()
435 mask = vp_dev->msix_affinity_masks[info->msix_vector]; in vp_set_vq_affinity()
436 irq = pci_irq_vector(vp_dev->pci_dev, info->msix_vector); in vp_set_vq_affinity()
449 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in vp_get_vq_affinity() local
451 if (!vp_dev->per_vq_vectors || in vp_get_vq_affinity()
452 vp_dev->vqs[index]->msix_vector == VIRTIO_MSI_NO_VECTOR) in vp_get_vq_affinity()
455 return pci_irq_get_affinity(vp_dev->pci_dev, in vp_get_vq_affinity()
456 vp_dev->vqs[index]->msix_vector); in vp_get_vq_affinity()
463 struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); in virtio_pci_freeze() local
466 ret = virtio_device_freeze(&vp_dev->vdev); in virtio_pci_freeze()
476 struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); in virtio_pci_restore() local
484 return virtio_device_restore(&vp_dev->vdev); in virtio_pci_restore()
504 struct virtio_pci_device *vp_dev = to_vp_device(vdev); in virtio_pci_release_dev() local
509 kfree(vp_dev); in virtio_pci_release_dev()
515 struct virtio_pci_device *vp_dev, *reg_dev = NULL; in virtio_pci_probe() local
519 vp_dev = kzalloc(sizeof(struct virtio_pci_device), GFP_KERNEL); in virtio_pci_probe()
520 if (!vp_dev) in virtio_pci_probe()
523 pci_set_drvdata(pci_dev, vp_dev); in virtio_pci_probe()
524 vp_dev->vdev.dev.parent = &pci_dev->dev; in virtio_pci_probe()
525 vp_dev->vdev.dev.release = virtio_pci_release_dev; in virtio_pci_probe()
526 vp_dev->pci_dev = pci_dev; in virtio_pci_probe()
527 INIT_LIST_HEAD(&vp_dev->virtqueues); in virtio_pci_probe()
528 spin_lock_init(&vp_dev->lock); in virtio_pci_probe()
536 rc = virtio_pci_legacy_probe(vp_dev); in virtio_pci_probe()
539 rc = virtio_pci_modern_probe(vp_dev); in virtio_pci_probe()
543 rc = virtio_pci_modern_probe(vp_dev); in virtio_pci_probe()
545 rc = virtio_pci_legacy_probe(vp_dev); in virtio_pci_probe()
552 rc = register_virtio_device(&vp_dev->vdev); in virtio_pci_probe()
553 reg_dev = vp_dev; in virtio_pci_probe()
560 if (vp_dev->ioaddr) in virtio_pci_probe()
561 virtio_pci_legacy_remove(vp_dev); in virtio_pci_probe()
563 virtio_pci_modern_remove(vp_dev); in virtio_pci_probe()
568 put_device(&vp_dev->vdev.dev); in virtio_pci_probe()
570 kfree(vp_dev); in virtio_pci_probe()
576 struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); in virtio_pci_remove() local
577 struct device *dev = get_device(&vp_dev->vdev.dev); in virtio_pci_remove()
584 virtio_break_device(&vp_dev->vdev); in virtio_pci_remove()
588 unregister_virtio_device(&vp_dev->vdev); in virtio_pci_remove()
590 if (vp_dev->ioaddr) in virtio_pci_remove()
591 virtio_pci_legacy_remove(vp_dev); in virtio_pci_remove()
593 virtio_pci_modern_remove(vp_dev); in virtio_pci_remove()
601 struct virtio_pci_device *vp_dev = pci_get_drvdata(pci_dev); in virtio_pci_sriov_configure() local
602 struct virtio_device *vdev = &vp_dev->vdev; in virtio_pci_sriov_configure()