Lines Matching refs:cmo
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()
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()
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()
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()
388 struct vio_cmo *cmo; in vio_cmo_balance() local
395 cmo = container_of(work, struct vio_cmo, balance_q.work); in vio_cmo_balance()
400 cmo->min = vio_cmo_num_OF_devs() * VIO_CMO_MIN_ENT; in vio_cmo_balance()
401 BUG_ON(cmo->min > cmo->entitled); in vio_cmo_balance()
402 cmo->spare = min_t(size_t, VIO_CMO_MIN_ENT, (cmo->entitled - cmo->min)); in vio_cmo_balance()
403 cmo->min += cmo->spare; in vio_cmo_balance()
404 cmo->desired = cmo->min; in vio_cmo_balance()
410 avail = cmo->entitled - cmo->spare; 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()
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()
461 cmo->reserve.size = cmo->min; in vio_cmo_balance()
462 cmo->excess.free = 0; in vio_cmo_balance()
463 cmo->excess.size = 0; 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()
475 cmo->excess.size = cmo->entitled - cmo->reserve.size; in vio_cmo_balance()
476 cmo->excess.free = cmo->excess.size - need; in vio_cmo_balance()
490 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
499 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_alloc_coherent()
535 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_page()
581 atomic_inc(&viodev->cmo.allocs_failed); in vio_dma_iommu_map_sg()
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()
738 viodev->cmo.desired = 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()
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()
817 if (viodev->cmo.allocated) { in vio_cmo_bus_remove()
820 __func__, viodev->cmo.allocated); 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()
943 return sprintf(buf, "%lu\n", to_vio_dev(dev)->cmo.name); \
950 return sprintf(buf, "%d\n", atomic_read(&viodev->cmo.allocs_failed)); in cmo_allocs_failed_show()
957 atomic_set(&viodev->cmo.allocs_failed, 0); in cmo_allocs_failed_store()
1247 memset(&viodev->cmo, 0, sizeof(viodev->cmo)); in vio_bus_probe()