diff options
Diffstat (limited to 'drivers/gpu/nvgpu/vgpu/ltc_vgpu.c')
-rw-r--r-- | drivers/gpu/nvgpu/vgpu/ltc_vgpu.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c b/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c new file mode 100644 index 00000000..fb9558e2 --- /dev/null +++ b/drivers/gpu/nvgpu/vgpu/ltc_vgpu.c | |||
@@ -0,0 +1,67 @@ | |||
1 | /* | ||
2 | * Virtualized GPU L2 | ||
3 | * | ||
4 | * Copyright (c) 2014-2017 NVIDIA CORPORATION. All rights reserved. | ||
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
22 | * DEALINGS IN THE SOFTWARE. | ||
23 | */ | ||
24 | |||
25 | #include "vgpu/vgpu.h" | ||
26 | #include "vgpu/ltc_vgpu.h" | ||
27 | |||
28 | int vgpu_determine_L2_size_bytes(struct gk20a *g) | ||
29 | { | ||
30 | struct vgpu_priv_data *priv = vgpu_get_priv_data(g); | ||
31 | |||
32 | gk20a_dbg_fn(""); | ||
33 | |||
34 | return priv->constants.l2_size; | ||
35 | } | ||
36 | |||
37 | int vgpu_ltc_init_comptags(struct gk20a *g, struct gr_gk20a *gr) | ||
38 | { | ||
39 | struct vgpu_priv_data *priv = vgpu_get_priv_data(g); | ||
40 | u32 max_comptag_lines = 0; | ||
41 | int err; | ||
42 | |||
43 | gk20a_dbg_fn(""); | ||
44 | |||
45 | gr->cacheline_size = priv->constants.cacheline_size; | ||
46 | gr->comptags_per_cacheline = priv->constants.comptags_per_cacheline; | ||
47 | gr->slices_per_ltc = priv->constants.slices_per_ltc; | ||
48 | max_comptag_lines = priv->constants.comptag_lines; | ||
49 | |||
50 | if (max_comptag_lines < 2) | ||
51 | return -ENXIO; | ||
52 | |||
53 | err = gk20a_comptag_allocator_init(g, &gr->comp_tags, max_comptag_lines); | ||
54 | if (err) | ||
55 | return err; | ||
56 | |||
57 | return 0; | ||
58 | } | ||
59 | |||
60 | void vgpu_ltc_init_fs_state(struct gk20a *g) | ||
61 | { | ||
62 | struct vgpu_priv_data *priv = vgpu_get_priv_data(g); | ||
63 | |||
64 | gk20a_dbg_fn(""); | ||
65 | |||
66 | g->ltc_count = priv->constants.ltc_count; | ||
67 | } | ||