1/* $NetBSD: nouveau_nvkm_engine_disp_ior.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $ */ 2 3/* 4 * Copyright 2017 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs <bskeggs@redhat.com> 25 */ 26#include <sys/cdefs.h> 27__KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_ior.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $"); 28 29#include "ior.h" 30 31static const char * 32nvkm_ior_name[] = { 33 [DAC] = "DAC", 34 [SOR] = "SOR", 35 [PIOR] = "PIOR", 36}; 37 38struct nvkm_ior * 39nvkm_ior_find(struct nvkm_disp *disp, enum nvkm_ior_type type, int id) 40{ 41 struct nvkm_ior *ior; 42 list_for_each_entry(ior, &disp->ior, head) { 43 if (ior->type == type && (id < 0 || ior->id == id)) 44 return ior; 45 } 46 return NULL; 47} 48 49void 50nvkm_ior_del(struct nvkm_ior **pior) 51{ 52 struct nvkm_ior *ior = *pior; 53 if (ior) { 54 IOR_DBG(ior, "dtor"); 55 list_del(&ior->head); 56 kfree(*pior); 57 *pior = NULL; 58 } 59} 60 61int 62nvkm_ior_new_(const struct nvkm_ior_func *func, struct nvkm_disp *disp, 63 enum nvkm_ior_type type, int id) 64{ 65 struct nvkm_ior *ior; 66 if (!(ior = kzalloc(sizeof(*ior), GFP_KERNEL))) 67 return -ENOMEM; 68 ior->func = func; 69 ior->disp = disp; 70 ior->type = type; 71 ior->id = id; 72 snprintf(ior->name, sizeof(ior->name), "%s-%d", 73 nvkm_ior_name[ior->type], ior->id); 74 list_add_tail(&ior->head, &disp->ior); 75 IOR_DBG(ior, "ctor"); 76 return 0; 77} 78