1 /* 2 * Copyright 2021 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 */ 22 #include "priv.h" 23 24 static void * 25 nvkm_vfn_dtor(struct nvkm_subdev *subdev) 26 { 27 return nvkm_vfn(subdev); 28 } 29 30 static const struct nvkm_subdev_func 31 nvkm_vfn = { 32 .dtor = nvkm_vfn_dtor, 33 }; 34 35 int 36 nvkm_vfn_new_(const struct nvkm_vfn_func *func, struct nvkm_device *device, 37 enum nvkm_subdev_type type, int inst, u32 addr, struct nvkm_vfn **pvfn) 38 { 39 struct nvkm_vfn *vfn; 40 int ret; 41 42 if (!(vfn = *pvfn = kzalloc(sizeof(*vfn), GFP_KERNEL))) 43 return -ENOMEM; 44 45 nvkm_subdev_ctor(&nvkm_vfn, device, type, inst, &vfn->subdev); 46 vfn->func = func; 47 vfn->addr.priv = addr; 48 vfn->addr.user = vfn->addr.priv + func->user.addr; 49 50 if (vfn->func->intr) { 51 ret = nvkm_intr_add(vfn->func->intr, vfn->func->intrs, 52 &vfn->subdev, 8, &vfn->intr); 53 if (ret) 54 return ret; 55 } 56 57 vfn->user.ctor = nvkm_uvfn_new; 58 vfn->user.base = func->user.base; 59 return 0; 60 } 61