2 * Copyright 2014 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Ben Skeggs <bskeggs@redhat.com>
28 nvkm_ltc_tags_alloc(struct nouveau_ltc *ltc, u32 n,
29 struct nouveau_mm_node **pnode)
31 struct nvkm_ltc_priv *priv = (void *)ltc;
34 ret = nouveau_mm_head(&priv->tags, 1, n, n, 1, pnode);
42 nvkm_ltc_tags_free(struct nouveau_ltc *ltc, struct nouveau_mm_node **pnode)
44 struct nvkm_ltc_priv *priv = (void *)ltc;
45 nouveau_mm_free(&priv->tags, pnode);
49 nvkm_ltc_tags_clear(struct nouveau_ltc *ltc, u32 first, u32 count)
51 const struct nvkm_ltc_impl *impl = (void *)nv_oclass(ltc);
52 struct nvkm_ltc_priv *priv = (void *)ltc;
53 const u32 limit = first + count - 1;
55 BUG_ON((first > limit) || (limit >= priv->num_tags));
57 impl->cbc_clear(priv, first, limit);
62 nvkm_ltc_create_(struct nouveau_object *parent, struct nouveau_object *engine,
63 struct nouveau_oclass *oclass, int length, void **pobject)
65 const struct nvkm_ltc_impl *impl = (void *)oclass;
66 struct nvkm_ltc_priv *priv;
69 ret = nouveau_subdev_create_(parent, engine, oclass, 0, "PLTCG",
70 "l2c", length, pobject);
75 priv->base.base.intr = impl->intr;
76 priv->base.tags_alloc = nvkm_ltc_tags_alloc;
77 priv->base.tags_free = nvkm_ltc_tags_free;
78 priv->base.tags_clear = nvkm_ltc_tags_clear;