73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
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/*
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* Copyright 2017 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs <bskeggs@redhat.com>
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*/
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#include "ior.h"
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static const char *
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nvkm_ior_name[] = {
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[DAC] = "DAC",
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[SOR] = "SOR",
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[PIOR] = "PIOR",
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};
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struct nvkm_ior *
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nvkm_ior_find(struct nvkm_disp *disp, enum nvkm_ior_type type, int id)
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{
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struct nvkm_ior *ior;
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list_for_each_entry(ior, &disp->iors, head) {
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if (ior->type == type && (id < 0 || ior->id == id))
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return ior;
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}
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return NULL;
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}
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void
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nvkm_ior_del(struct nvkm_ior **pior)
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{
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struct nvkm_ior *ior = *pior;
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if (ior) {
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IOR_DBG(ior, "dtor");
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list_del(&ior->head);
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kfree(*pior);
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*pior = NULL;
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}
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}
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int
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nvkm_ior_new_(const struct nvkm_ior_func *func, struct nvkm_disp *disp,
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enum nvkm_ior_type type, int id, bool hda)
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{
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struct nvkm_ior *ior;
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if (!(ior = kzalloc(sizeof(*ior), GFP_KERNEL)))
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return -ENOMEM;
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ior->func = func;
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ior->disp = disp;
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ior->type = type;
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ior->id = id;
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ior->hda = hda;
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snprintf(ior->name, sizeof(ior->name), "%s-%d", nvkm_ior_name[ior->type], ior->id);
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list_add_tail(&ior->head, &disp->iors);
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IOR_DBG(ior, "ctor");
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return 0;
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}
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