Lines Matching refs:viodev
70 struct vio_dev *viodev; member
145 static inline int vio_cmo_alloc(struct vio_dev *viodev, size_t size) in vio_cmo_alloc() argument
155 if (viodev->cmo.entitled > viodev->cmo.allocated) in vio_cmo_alloc()
156 reserve_free = viodev->cmo.entitled - viodev->cmo.allocated; in vio_cmo_alloc()
167 viodev->cmo.allocated += size; in vio_cmo_alloc()
189 static inline void vio_cmo_dealloc(struct vio_dev *viodev, size_t size) in vio_cmo_dealloc() argument
202 if (viodev->cmo.allocated > viodev->cmo.entitled) { in vio_cmo_dealloc()
203 excess_freed = min(reserve_freed, (viodev->cmo.allocated - in vio_cmo_dealloc()
204 viodev->cmo.entitled)); in vio_cmo_dealloc()
209 viodev->cmo.allocated -= (reserve_freed + excess_freed); in vio_cmo_dealloc()
235 tmp = min3(spare_needed, reserve_freed, (viodev->cmo.entitled - VIO_CMO_MIN_ENT)); in vio_cmo_dealloc()
238 viodev->cmo.entitled -= tmp; in vio_cmo_dealloc()
280 struct vio_dev *viodev; in vio_cmo_entitlement_update() local
319 viodev = dev_ent->viodev; in vio_cmo_entitlement_update()
320 if ((viodev->cmo.entitled > viodev->cmo.allocated) && in vio_cmo_entitlement_update()
321 (viodev->cmo.entitled > VIO_CMO_MIN_ENT)) in vio_cmo_entitlement_update()
322 avail += viodev->cmo.entitled - in vio_cmo_entitlement_update()
323 max_t(size_t, viodev->cmo.allocated, in vio_cmo_entitlement_update()
344 viodev = dev_ent->viodev; in vio_cmo_entitlement_update()
346 if ((viodev->cmo.entitled > viodev->cmo.allocated) && in vio_cmo_entitlement_update()
347 (viodev->cmo.entitled > VIO_CMO_MIN_ENT)) in vio_cmo_entitlement_update()
348 tmp = viodev->cmo.entitled - in vio_cmo_entitlement_update()
349 max_t(size_t, viodev->cmo.allocated, in vio_cmo_entitlement_update()
351 viodev->cmo.entitled -= min(tmp, delta); in vio_cmo_entitlement_update()
389 struct vio_dev *viodev; in vio_cmo_balance() local
412 viodev = dev_ent->viodev; in vio_cmo_balance()
414 viodev->cmo.entitled = VIO_CMO_MIN_ENT; in vio_cmo_balance()
415 cmo->desired += (viodev->cmo.desired - VIO_CMO_MIN_ENT); in vio_cmo_balance()
416 avail -= max_t(size_t, viodev->cmo.allocated, VIO_CMO_MIN_ENT); in vio_cmo_balance()
428 viodev = dev_ent->viodev; in vio_cmo_balance()
430 if (viodev->cmo.desired <= level) { in vio_cmo_balance()
441 chunk = min(chunk, (viodev->cmo.desired - in vio_cmo_balance()
442 viodev->cmo.entitled)); in vio_cmo_balance()
443 viodev->cmo.entitled += chunk; in vio_cmo_balance()
450 need = max(viodev->cmo.allocated, viodev->cmo.entitled)- in vio_cmo_balance()
451 max(viodev->cmo.allocated, level); in vio_cmo_balance()
466 viodev = dev_ent->viodev; in vio_cmo_balance()
468 if (viodev->cmo.entitled) in vio_cmo_balance()
469 cmo->reserve.size += (viodev->cmo.entitled - in vio_cmo_balance()
472 if (viodev->cmo.allocated > viodev->cmo.entitled) in vio_cmo_balance()
473 need += viodev->cmo.allocated - viodev->cmo.entitled; in vio_cmo_balance()
486 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_alloc_coherent() local
489 if (vio_cmo_alloc(viodev, roundup(size, PAGE_SIZE))) { in vio_dma_iommu_alloc_coherent()
490 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
498 vio_cmo_dealloc(viodev, roundup(size, PAGE_SIZE)); in vio_dma_iommu_alloc_coherent()
499 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
509 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_free_coherent() local
512 vio_cmo_dealloc(viodev, roundup(size, PAGE_SIZE)); in vio_dma_iommu_free_coherent()
520 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_map_page() local
524 if (vio_cmo_alloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl)))) in vio_dma_iommu_map_page()
533 vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl))); in vio_dma_iommu_map_page()
535 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_page()
544 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_unmap_page() local
548 vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl))); in vio_dma_iommu_unmap_page()
555 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_map_sg() local
564 ret = vio_cmo_alloc(viodev, alloc_size); in vio_dma_iommu_map_sg()
575 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_map_sg()
579 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_map_sg()
581 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_sg()
590 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_unmap_sg() local
600 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_unmap_sg()
628 void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired) in vio_cmo_set_dev_desired() argument
647 if (viodev == dev_ent->viodev) { in vio_cmo_set_dev_desired()
657 if (desired >= viodev->cmo.desired) { in vio_cmo_set_dev_desired()
659 vio_cmo.desired += desired - viodev->cmo.desired; in vio_cmo_set_dev_desired()
660 viodev->cmo.desired = desired; in vio_cmo_set_dev_desired()
663 vio_cmo.desired -= viodev->cmo.desired - desired; in vio_cmo_set_dev_desired()
664 viodev->cmo.desired = desired; in vio_cmo_set_dev_desired()
669 if (viodev->cmo.entitled > desired) { in vio_cmo_set_dev_desired()
670 vio_cmo.reserve.size -= viodev->cmo.entitled - desired; in vio_cmo_set_dev_desired()
671 vio_cmo.excess.size += viodev->cmo.entitled - desired; in vio_cmo_set_dev_desired()
677 if (viodev->cmo.allocated < viodev->cmo.entitled) in vio_cmo_set_dev_desired()
678 vio_cmo.excess.free += viodev->cmo.entitled - in vio_cmo_set_dev_desired()
679 max(viodev->cmo.allocated, desired); in vio_cmo_set_dev_desired()
680 viodev->cmo.entitled = desired; in vio_cmo_set_dev_desired()
701 static int vio_cmo_bus_probe(struct vio_dev *viodev) in vio_cmo_bus_probe() argument
704 struct device *dev = &viodev->dev; in vio_cmo_bus_probe()
714 switch (viodev->family) { in vio_cmo_bus_probe()
716 if (of_get_property(viodev->dev.of_node, in vio_cmo_bus_probe()
724 dev_warn(dev, "unknown device family: %d\n", viodev->family); in vio_cmo_bus_probe()
738 viodev->cmo.desired = in vio_cmo_bus_probe()
739 IOMMU_PAGE_ALIGN(viodrv->get_desired_dma(viodev), tbl); in vio_cmo_bus_probe()
740 if (viodev->cmo.desired < VIO_CMO_MIN_ENT) in vio_cmo_bus_probe()
741 viodev->cmo.desired = VIO_CMO_MIN_ENT; in vio_cmo_bus_probe()
749 dev_ent->viodev = viodev; in vio_cmo_bus_probe()
753 viodev->cmo.desired = 0; in vio_cmo_bus_probe()
768 vio_cmo.desired += (viodev->cmo.desired - in vio_cmo_bus_probe()
794 vio_cmo.desired += viodev->cmo.desired; in vio_cmo_bus_probe()
810 static void vio_cmo_bus_remove(struct vio_dev *viodev) in vio_cmo_bus_remove() argument
817 if (viodev->cmo.allocated) { in vio_cmo_bus_remove()
818 dev_err(&viodev->dev, "%s: device had %lu bytes of IO " in vio_cmo_bus_remove()
820 __func__, viodev->cmo.allocated); in vio_cmo_bus_remove()
829 if (viodev == dev_ent->viodev) { in vio_cmo_bus_remove()
840 if (viodev->cmo.entitled) { in vio_cmo_bus_remove()
846 vio_cmo.desired -= (viodev->cmo.desired - VIO_CMO_MIN_ENT); in vio_cmo_bus_remove()
853 viodev->cmo.entitled -= VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
856 if (viodev->cmo.entitled && (vio_cmo.spare < VIO_CMO_MIN_ENT)) { in vio_cmo_bus_remove()
857 tmp = min(viodev->cmo.entitled, (VIO_CMO_MIN_ENT - in vio_cmo_bus_remove()
860 viodev->cmo.entitled -= tmp; in vio_cmo_bus_remove()
864 vio_cmo.excess.size += viodev->cmo.entitled; in vio_cmo_bus_remove()
865 vio_cmo.excess.free += viodev->cmo.entitled; in vio_cmo_bus_remove()
866 vio_cmo.reserve.size -= viodev->cmo.entitled; in vio_cmo_bus_remove()
873 viodev->cmo.entitled = VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
874 viodev->cmo.desired = VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
875 atomic_set(&viodev->cmo.allocs_failed, 0); in vio_cmo_bus_remove()
881 static void vio_cmo_set_dma_ops(struct vio_dev *viodev) in vio_cmo_set_dma_ops() argument
883 set_dma_ops(&viodev->dev, &vio_dma_mapping_ops); in vio_cmo_set_dma_ops()
949 struct vio_dev *viodev = to_vio_dev(dev); in cmo_allocs_failed_show() local
950 return sprintf(buf, "%d\n", atomic_read(&viodev->cmo.allocs_failed)); in cmo_allocs_failed_show()
956 struct vio_dev *viodev = to_vio_dev(dev); in cmo_allocs_failed_store() local
957 atomic_set(&viodev->cmo.allocs_failed, 0); in cmo_allocs_failed_store()
964 struct vio_dev *viodev = to_vio_dev(dev); in cmo_desired_store() local
972 vio_cmo_set_dev_desired(viodev, new_desired); in cmo_desired_store()
1072 void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired) {} in vio_cmo_set_dev_desired() argument
1073 static int vio_cmo_bus_probe(struct vio_dev *viodev) { return 0; } in vio_cmo_bus_probe() argument
1074 static void vio_cmo_bus_remove(struct vio_dev *viodev) {} in vio_cmo_bus_remove() argument
1075 static void vio_cmo_set_dma_ops(struct vio_dev *viodev) {} in vio_cmo_set_dma_ops() argument
1237 struct vio_dev *viodev = to_vio_dev(dev); in vio_bus_probe() local
1245 id = vio_match_device(viodrv->id_table, viodev); in vio_bus_probe()
1247 memset(&viodev->cmo, 0, sizeof(viodev->cmo)); in vio_bus_probe()
1249 error = vio_cmo_bus_probe(viodev); in vio_bus_probe()
1253 error = viodrv->probe(viodev, id); in vio_bus_probe()
1255 vio_cmo_bus_remove(viodev); in vio_bus_probe()
1264 struct vio_dev *viodev = to_vio_dev(dev); in vio_bus_remove() local
1275 viodrv->remove(viodev); in vio_bus_remove()
1278 vio_cmo_bus_remove(viodev); in vio_bus_remove()
1285 struct vio_dev *viodev = to_vio_dev(dev); in vio_bus_shutdown() local
1291 viodrv->shutdown(viodev); in vio_bus_shutdown()
1353 struct vio_dev *viodev; in vio_register_device_node() local
1392 viodev = kzalloc(sizeof(struct vio_dev), GFP_KERNEL); in vio_register_device_node()
1393 if (viodev == NULL) { in vio_register_device_node()
1399 viodev->family = family; in vio_register_device_node()
1400 if (viodev->family == VDEVICE) { in vio_register_device_node()
1403 viodev->type = of_node_get_device_type(of_node); in vio_register_device_node()
1404 if (!viodev->type) { in vio_register_device_node()
1417 dev_set_name(&viodev->dev, "%x", unit_address); in vio_register_device_node()
1418 viodev->irq = irq_of_parse_and_map(of_node, 0); in vio_register_device_node()
1419 viodev->unit_address = unit_address; in vio_register_device_node()
1426 viodev->resource_id = of_read_number(prop, 1); in vio_register_device_node()
1428 dev_set_name(&viodev->dev, "%pOFn", of_node); in vio_register_device_node()
1429 viodev->type = dev_name(&viodev->dev); in vio_register_device_node()
1430 viodev->irq = 0; in vio_register_device_node()
1433 viodev->name = of_node->name; in vio_register_device_node()
1434 viodev->dev.of_node = of_node_get(of_node); in vio_register_device_node()
1436 set_dev_node(&viodev->dev, of_node_to_nid(of_node)); in vio_register_device_node()
1439 viodev->dev.parent = &vio_bus_device.dev; in vio_register_device_node()
1440 viodev->dev.bus = &vio_bus_type; in vio_register_device_node()
1441 viodev->dev.release = vio_dev_release; in vio_register_device_node()
1443 if (of_property_present(viodev->dev.of_node, "ibm,my-dma-window")) { in vio_register_device_node()
1445 vio_cmo_set_dma_ops(viodev); in vio_register_device_node()
1447 set_dma_ops(&viodev->dev, &dma_iommu_ops); in vio_register_device_node()
1449 set_iommu_table_base(&viodev->dev, in vio_register_device_node()
1450 vio_build_iommu_table(viodev)); in vio_register_device_node()
1454 viodev->dev.coherent_dma_mask = DMA_BIT_MASK(64); in vio_register_device_node()
1455 viodev->dev.dma_mask = &viodev->dev.coherent_dma_mask; in vio_register_device_node()
1459 if (device_register(&viodev->dev)) { in vio_register_device_node()
1461 __func__, dev_name(&viodev->dev)); in vio_register_device_node()
1462 put_device(&viodev->dev); in vio_register_device_node()
1466 return viodev; in vio_register_device_node()
1469 kfree(viodev); in vio_register_device_node()
1595 void vio_unregister_device(struct vio_dev *viodev) in vio_unregister_device() argument
1597 device_unregister(&viodev->dev); in vio_unregister_device()
1598 if (viodev->family == VDEVICE) in vio_unregister_device()
1599 irq_dispose_mapping(viodev->irq); in vio_unregister_device()