diff options
Diffstat (limited to 'drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c')
-rw-r--r-- | drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c b/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c deleted file mode 100644 index 1c96db69..00000000 --- a/drivers/gpu/nvgpu/common/linux/ioctl_tsg_t19x.c +++ /dev/null | |||
@@ -1,115 +0,0 @@ | |||
1 | /* | ||
2 | * GV11B TSG IOCTL Handler | ||
3 | * | ||
4 | * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify it | ||
7 | * under the terms and conditions of the GNU General Public License, | ||
8 | * version 2, as published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope it will be useful, but WITHOUT | ||
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
13 | * more details. | ||
14 | */ | ||
15 | |||
16 | #include <linux/types.h> | ||
17 | #include <uapi/linux/nvgpu.h> | ||
18 | |||
19 | #include "gk20a/gk20a.h" | ||
20 | |||
21 | #include "gv11b/fifo_gv11b.h" | ||
22 | #include "gv11b/subctx_gv11b.h" | ||
23 | #include "ioctl_tsg_t19x.h" | ||
24 | #include "common/linux/os_linux.h" | ||
25 | |||
26 | static int gv11b_tsg_ioctl_bind_channel_ex(struct gk20a *g, | ||
27 | struct tsg_gk20a *tsg, struct nvgpu_tsg_bind_channel_ex_args *arg) | ||
28 | { | ||
29 | struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g); | ||
30 | struct gk20a_sched_ctrl *sched = &l->sched_ctrl; | ||
31 | struct channel_gk20a *ch; | ||
32 | struct gr_gk20a *gr = &g->gr; | ||
33 | int err = 0; | ||
34 | |||
35 | nvgpu_log(g, gpu_dbg_fn | gpu_dbg_sched, "tsgid=%u", tsg->tsgid); | ||
36 | |||
37 | nvgpu_mutex_acquire(&sched->control_lock); | ||
38 | if (sched->control_locked) { | ||
39 | err = -EPERM; | ||
40 | goto mutex_release; | ||
41 | } | ||
42 | err = gk20a_busy(g); | ||
43 | if (err) { | ||
44 | nvgpu_err(g, "failed to power on gpu"); | ||
45 | goto mutex_release; | ||
46 | } | ||
47 | |||
48 | ch = gk20a_get_channel_from_file(arg->channel_fd); | ||
49 | if (!ch) { | ||
50 | err = -EINVAL; | ||
51 | goto idle; | ||
52 | } | ||
53 | |||
54 | if (arg->tpc_pg_enabled && (!tsg->t19x.tpc_num_initialized)) { | ||
55 | if ((arg->num_active_tpcs > gr->max_tpc_count) || | ||
56 | !(arg->num_active_tpcs)) { | ||
57 | nvgpu_err(g, "Invalid num of active TPCs"); | ||
58 | err = -EINVAL; | ||
59 | goto ch_put; | ||
60 | } | ||
61 | tsg->t19x.tpc_num_initialized = true; | ||
62 | tsg->t19x.num_active_tpcs = arg->num_active_tpcs; | ||
63 | tsg->t19x.tpc_pg_enabled = true; | ||
64 | } else { | ||
65 | tsg->t19x.tpc_pg_enabled = false; | ||
66 | nvgpu_log(g, gpu_dbg_info, "dynamic TPC-PG not enabled"); | ||
67 | } | ||
68 | |||
69 | if (arg->subcontext_id < g->fifo.t19x.max_subctx_count) { | ||
70 | ch->t19x.subctx_id = arg->subcontext_id; | ||
71 | } else { | ||
72 | err = -EINVAL; | ||
73 | goto ch_put; | ||
74 | } | ||
75 | |||
76 | nvgpu_log(g, gpu_dbg_info, "channel id : %d : subctx: %d", | ||
77 | ch->chid, ch->t19x.subctx_id); | ||
78 | |||
79 | /* Use runqueue selector 1 for all ASYNC ids */ | ||
80 | if (ch->t19x.subctx_id > CHANNEL_INFO_VEID0) | ||
81 | ch->t19x.runqueue_sel = 1; | ||
82 | |||
83 | err = ch->g->ops.fifo.tsg_bind_channel(tsg, ch); | ||
84 | ch_put: | ||
85 | gk20a_channel_put(ch); | ||
86 | idle: | ||
87 | gk20a_idle(g); | ||
88 | mutex_release: | ||
89 | nvgpu_mutex_release(&sched->control_lock); | ||
90 | return err; | ||
91 | } | ||
92 | |||
93 | int t19x_tsg_ioctl_handler(struct gk20a *g, struct tsg_gk20a *tsg, | ||
94 | unsigned int cmd, u8 *buf) | ||
95 | { | ||
96 | int err = 0; | ||
97 | |||
98 | nvgpu_log(g, gpu_dbg_fn, "t19x_tsg_ioctl_handler"); | ||
99 | |||
100 | switch (cmd) { | ||
101 | case NVGPU_TSG_IOCTL_BIND_CHANNEL_EX: | ||
102 | { | ||
103 | err = gv11b_tsg_ioctl_bind_channel_ex(g, tsg, | ||
104 | (struct nvgpu_tsg_bind_channel_ex_args *)buf); | ||
105 | break; | ||
106 | } | ||
107 | |||
108 | default: | ||
109 | nvgpu_err(g, "unrecognized tsg gpu ioctl cmd: 0x%x", | ||
110 | cmd); | ||
111 | err = -ENOTTY; | ||
112 | break; | ||
113 | } | ||
114 | return err; | ||
115 | } | ||