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1/*2 * Copyright 2017 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs <bskeggs@redhat.com>23 */24#include "ior.h"25 26static const char *27nvkm_ior_name[] = {28 [DAC] = "DAC",29 [SOR] = "SOR",30 [PIOR] = "PIOR",31};32 33struct nvkm_ior *34nvkm_ior_find(struct nvkm_disp *disp, enum nvkm_ior_type type, int id)35{36 struct nvkm_ior *ior;37 list_for_each_entry(ior, &disp->iors, head) {38 if (ior->type == type && (id < 0 || ior->id == id))39 return ior;40 }41 return NULL;42}43 44void45nvkm_ior_del(struct nvkm_ior **pior)46{47 struct nvkm_ior *ior = *pior;48 if (ior) {49 IOR_DBG(ior, "dtor");50 list_del(&ior->head);51 kfree(*pior);52 *pior = NULL;53 }54}55 56int57nvkm_ior_new_(const struct nvkm_ior_func *func, struct nvkm_disp *disp,58 enum nvkm_ior_type type, int id, bool hda)59{60 struct nvkm_ior *ior;61 if (!(ior = kzalloc(sizeof(*ior), GFP_KERNEL)))62 return -ENOMEM;63 ior->func = func;64 ior->disp = disp;65 ior->type = type;66 ior->id = id;67 ior->hda = hda;68 snprintf(ior->name, sizeof(ior->name), "%s-%d", nvkm_ior_name[ior->type], ior->id);69 list_add_tail(&ior->head, &disp->iors);70 IOR_DBG(ior, "ctor");71 return 0;72}73