Lines Matching refs:viodev
71 struct vio_dev *viodev; member
146 static inline int vio_cmo_alloc(struct vio_dev *viodev, size_t size) in vio_cmo_alloc() argument
156 if (viodev->cmo.entitled > viodev->cmo.allocated) in vio_cmo_alloc()
157 reserve_free = viodev->cmo.entitled - viodev->cmo.allocated; in vio_cmo_alloc()
168 viodev->cmo.allocated += size; in vio_cmo_alloc()
190 static inline void vio_cmo_dealloc(struct vio_dev *viodev, size_t size) in vio_cmo_dealloc() argument
203 if (viodev->cmo.allocated > viodev->cmo.entitled) { in vio_cmo_dealloc()
204 excess_freed = min(reserve_freed, (viodev->cmo.allocated - in vio_cmo_dealloc()
205 viodev->cmo.entitled)); in vio_cmo_dealloc()
210 viodev->cmo.allocated -= (reserve_freed + excess_freed); in vio_cmo_dealloc()
236 tmp = min3(spare_needed, reserve_freed, (viodev->cmo.entitled - VIO_CMO_MIN_ENT)); in vio_cmo_dealloc()
239 viodev->cmo.entitled -= tmp; in vio_cmo_dealloc()
281 struct vio_dev *viodev; in vio_cmo_entitlement_update() local
320 viodev = dev_ent->viodev; in vio_cmo_entitlement_update()
321 if ((viodev->cmo.entitled > viodev->cmo.allocated) && in vio_cmo_entitlement_update()
322 (viodev->cmo.entitled > VIO_CMO_MIN_ENT)) in vio_cmo_entitlement_update()
323 avail += viodev->cmo.entitled - in vio_cmo_entitlement_update()
324 max_t(size_t, viodev->cmo.allocated, in vio_cmo_entitlement_update()
345 viodev = dev_ent->viodev; in vio_cmo_entitlement_update()
347 if ((viodev->cmo.entitled > viodev->cmo.allocated) && in vio_cmo_entitlement_update()
348 (viodev->cmo.entitled > VIO_CMO_MIN_ENT)) in vio_cmo_entitlement_update()
349 tmp = viodev->cmo.entitled - in vio_cmo_entitlement_update()
350 max_t(size_t, viodev->cmo.allocated, in vio_cmo_entitlement_update()
352 viodev->cmo.entitled -= min(tmp, delta); in vio_cmo_entitlement_update()
390 struct vio_dev *viodev; in vio_cmo_balance() local
413 viodev = dev_ent->viodev; in vio_cmo_balance()
415 viodev->cmo.entitled = VIO_CMO_MIN_ENT; in vio_cmo_balance()
416 cmo->desired += (viodev->cmo.desired - VIO_CMO_MIN_ENT); in vio_cmo_balance()
417 avail -= max_t(size_t, viodev->cmo.allocated, VIO_CMO_MIN_ENT); in vio_cmo_balance()
429 viodev = dev_ent->viodev; in vio_cmo_balance()
431 if (viodev->cmo.desired <= level) { in vio_cmo_balance()
442 chunk = min(chunk, (viodev->cmo.desired - in vio_cmo_balance()
443 viodev->cmo.entitled)); in vio_cmo_balance()
444 viodev->cmo.entitled += chunk; in vio_cmo_balance()
451 need = max(viodev->cmo.allocated, viodev->cmo.entitled)- in vio_cmo_balance()
452 max(viodev->cmo.allocated, level); in vio_cmo_balance()
467 viodev = dev_ent->viodev; in vio_cmo_balance()
469 if (viodev->cmo.entitled) in vio_cmo_balance()
470 cmo->reserve.size += (viodev->cmo.entitled - in vio_cmo_balance()
473 if (viodev->cmo.allocated > viodev->cmo.entitled) in vio_cmo_balance()
474 need += viodev->cmo.allocated - viodev->cmo.entitled; in vio_cmo_balance()
487 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_alloc_coherent() local
490 if (vio_cmo_alloc(viodev, roundup(size, PAGE_SIZE))) { in vio_dma_iommu_alloc_coherent()
491 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
497 vio_cmo_dealloc(viodev, roundup(size, PAGE_SIZE)); in vio_dma_iommu_alloc_coherent()
498 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
508 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
525 if (vio_cmo_alloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl)))) { in vio_dma_iommu_map_page()
526 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_page()
532 vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl))); in vio_dma_iommu_map_page()
533 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
550 vio_cmo_dealloc(viodev, roundup(size, IOMMU_PAGE_SIZE(tbl))); in vio_dma_iommu_unmap_page()
557 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_map_sg() local
567 if (vio_cmo_alloc(viodev, alloc_size)) { in vio_dma_iommu_map_sg()
568 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_sg()
575 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_map_sg()
576 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_sg()
583 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_map_sg()
593 struct vio_dev *viodev = to_vio_dev(dev); in vio_dma_iommu_unmap_sg() local
605 vio_cmo_dealloc(viodev, alloc_size); in vio_dma_iommu_unmap_sg()
640 void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired) in vio_cmo_set_dev_desired() argument
659 if (viodev == dev_ent->viodev) { in vio_cmo_set_dev_desired()
669 if (desired >= viodev->cmo.desired) { in vio_cmo_set_dev_desired()
671 vio_cmo.desired += desired - viodev->cmo.desired; in vio_cmo_set_dev_desired()
672 viodev->cmo.desired = desired; in vio_cmo_set_dev_desired()
675 vio_cmo.desired -= viodev->cmo.desired - desired; in vio_cmo_set_dev_desired()
676 viodev->cmo.desired = desired; in vio_cmo_set_dev_desired()
681 if (viodev->cmo.entitled > desired) { in vio_cmo_set_dev_desired()
682 vio_cmo.reserve.size -= viodev->cmo.entitled - desired; in vio_cmo_set_dev_desired()
683 vio_cmo.excess.size += viodev->cmo.entitled - desired; in vio_cmo_set_dev_desired()
689 if (viodev->cmo.allocated < viodev->cmo.entitled) in vio_cmo_set_dev_desired()
690 vio_cmo.excess.free += viodev->cmo.entitled - in vio_cmo_set_dev_desired()
691 max(viodev->cmo.allocated, desired); in vio_cmo_set_dev_desired()
692 viodev->cmo.entitled = desired; in vio_cmo_set_dev_desired()
713 static int vio_cmo_bus_probe(struct vio_dev *viodev) in vio_cmo_bus_probe() argument
716 struct device *dev = &viodev->dev; in vio_cmo_bus_probe()
726 switch (viodev->family) { in vio_cmo_bus_probe()
728 if (of_get_property(viodev->dev.of_node, in vio_cmo_bus_probe()
736 dev_warn(dev, "unknown device family: %d\n", viodev->family); in vio_cmo_bus_probe()
750 viodev->cmo.desired = in vio_cmo_bus_probe()
751 IOMMU_PAGE_ALIGN(viodrv->get_desired_dma(viodev), tbl); in vio_cmo_bus_probe()
752 if (viodev->cmo.desired < VIO_CMO_MIN_ENT) in vio_cmo_bus_probe()
753 viodev->cmo.desired = VIO_CMO_MIN_ENT; in vio_cmo_bus_probe()
761 dev_ent->viodev = viodev; in vio_cmo_bus_probe()
765 viodev->cmo.desired = 0; in vio_cmo_bus_probe()
780 vio_cmo.desired += (viodev->cmo.desired - in vio_cmo_bus_probe()
806 vio_cmo.desired += viodev->cmo.desired; in vio_cmo_bus_probe()
822 static void vio_cmo_bus_remove(struct vio_dev *viodev) in vio_cmo_bus_remove() argument
829 if (viodev->cmo.allocated) { in vio_cmo_bus_remove()
830 dev_err(&viodev->dev, "%s: device had %lu bytes of IO " in vio_cmo_bus_remove()
832 __func__, viodev->cmo.allocated); in vio_cmo_bus_remove()
841 if (viodev == dev_ent->viodev) { in vio_cmo_bus_remove()
852 if (viodev->cmo.entitled) { in vio_cmo_bus_remove()
858 vio_cmo.desired -= (viodev->cmo.desired - VIO_CMO_MIN_ENT); in vio_cmo_bus_remove()
865 viodev->cmo.entitled -= VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
868 if (viodev->cmo.entitled && (vio_cmo.spare < VIO_CMO_MIN_ENT)) { in vio_cmo_bus_remove()
869 tmp = min(viodev->cmo.entitled, (VIO_CMO_MIN_ENT - in vio_cmo_bus_remove()
872 viodev->cmo.entitled -= tmp; in vio_cmo_bus_remove()
876 vio_cmo.excess.size += viodev->cmo.entitled; in vio_cmo_bus_remove()
877 vio_cmo.excess.free += viodev->cmo.entitled; in vio_cmo_bus_remove()
878 vio_cmo.reserve.size -= viodev->cmo.entitled; in vio_cmo_bus_remove()
885 viodev->cmo.entitled = VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
886 viodev->cmo.desired = VIO_CMO_MIN_ENT; in vio_cmo_bus_remove()
887 atomic_set(&viodev->cmo.allocs_failed, 0); in vio_cmo_bus_remove()
893 static void vio_cmo_set_dma_ops(struct vio_dev *viodev) in vio_cmo_set_dma_ops() argument
895 set_dma_ops(&viodev->dev, &vio_dma_mapping_ops); in vio_cmo_set_dma_ops()
961 struct vio_dev *viodev = to_vio_dev(dev); in viodev_cmo_allocs_failed_show() local
962 return sprintf(buf, "%d\n", atomic_read(&viodev->cmo.allocs_failed)); in viodev_cmo_allocs_failed_show()
968 struct vio_dev *viodev = to_vio_dev(dev); in viodev_cmo_allocs_failed_reset() local
969 atomic_set(&viodev->cmo.allocs_failed, 0); in viodev_cmo_allocs_failed_reset()
976 struct vio_dev *viodev = to_vio_dev(dev); in viodev_cmo_desired_set() local
984 vio_cmo_set_dev_desired(viodev, new_desired); in viodev_cmo_desired_set()
1074 void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired) {} in vio_cmo_set_dev_desired() argument
1075 static int vio_cmo_bus_probe(struct vio_dev *viodev) { return 0; } in vio_cmo_bus_probe() argument
1076 static void vio_cmo_bus_remove(struct vio_dev *viodev) {} in vio_cmo_bus_remove() argument
1077 static void vio_cmo_set_dma_ops(struct vio_dev *viodev) {} in vio_cmo_set_dma_ops() argument
1232 struct vio_dev *viodev = to_vio_dev(dev); in vio_bus_probe() local
1240 id = vio_match_device(viodrv->id_table, viodev); in vio_bus_probe()
1242 memset(&viodev->cmo, 0, sizeof(viodev->cmo)); in vio_bus_probe()
1244 error = vio_cmo_bus_probe(viodev); in vio_bus_probe()
1248 error = viodrv->probe(viodev, id); in vio_bus_probe()
1250 vio_cmo_bus_remove(viodev); in vio_bus_probe()
1259 struct vio_dev *viodev = to_vio_dev(dev); in vio_bus_remove() local
1271 ret = viodrv->remove(viodev); in vio_bus_remove()
1274 vio_cmo_bus_remove(viodev); in vio_bus_remove()
1332 struct vio_dev *viodev; in vio_register_device_node() local
1372 viodev = kzalloc(sizeof(struct vio_dev), GFP_KERNEL); in vio_register_device_node()
1373 if (viodev == NULL) { in vio_register_device_node()
1379 viodev->family = family; in vio_register_device_node()
1380 if (viodev->family == VDEVICE) { in vio_register_device_node()
1384 viodev->type = of_node->type; in vio_register_device_node()
1398 dev_set_name(&viodev->dev, "%x", unit_address); in vio_register_device_node()
1399 viodev->irq = irq_of_parse_and_map(of_node, 0); in vio_register_device_node()
1400 viodev->unit_address = unit_address; in vio_register_device_node()
1407 viodev->resource_id = of_read_number(prop, 1); in vio_register_device_node()
1409 dev_set_name(&viodev->dev, "%s", of_node_name); in vio_register_device_node()
1410 viodev->type = of_node_name; in vio_register_device_node()
1411 viodev->irq = 0; in vio_register_device_node()
1414 viodev->name = of_node->name; in vio_register_device_node()
1415 viodev->dev.of_node = of_node_get(of_node); in vio_register_device_node()
1417 set_dev_node(&viodev->dev, of_node_to_nid(of_node)); in vio_register_device_node()
1420 viodev->dev.parent = &vio_bus_device.dev; in vio_register_device_node()
1421 viodev->dev.bus = &vio_bus_type; in vio_register_device_node()
1422 viodev->dev.release = vio_dev_release; in vio_register_device_node()
1424 if (of_get_property(viodev->dev.of_node, "ibm,my-dma-window", NULL)) { in vio_register_device_node()
1426 vio_cmo_set_dma_ops(viodev); in vio_register_device_node()
1428 set_dma_ops(&viodev->dev, &dma_iommu_ops); in vio_register_device_node()
1430 set_iommu_table_base(&viodev->dev, in vio_register_device_node()
1431 vio_build_iommu_table(viodev)); in vio_register_device_node()
1435 viodev->dev.coherent_dma_mask = DMA_BIT_MASK(64); in vio_register_device_node()
1436 viodev->dev.dma_mask = &viodev->dev.coherent_dma_mask; in vio_register_device_node()
1440 if (device_register(&viodev->dev)) { in vio_register_device_node()
1442 __func__, dev_name(&viodev->dev)); in vio_register_device_node()
1443 put_device(&viodev->dev); in vio_register_device_node()
1447 return viodev; in vio_register_device_node()
1450 kfree(viodev); in vio_register_device_node()
1572 void vio_unregister_device(struct vio_dev *viodev) in vio_unregister_device() argument
1574 device_unregister(&viodev->dev); in vio_unregister_device()