diff options
author | seshendra Gadagottu <sgadagottu@nvidia.com> | 2017-06-29 18:59:05 -0400 |
---|---|---|
committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2017-07-05 18:40:25 -0400 |
commit | 6d758eb81bcbff4e50df5c9fa67a369a4e1f2074 (patch) | |
tree | 8b6f62c1cb64f878c13746b8f14d42a2d45105e6 /include/uapi/linux | |
parent | 37fa5128ec260bc9ebb2e902ac2dfe9baead4656 (diff) |
gpu: nvgpu: gv11b: support for full subcontext
Changes to enable 64 subcontexts: 1 SYNC + 63 ASYNC
Currently all subcontexts with in a tsg can have only
single address space.
Add support for NVGPU_TSG_IOCTL_BIND_CHANNEL_EX for
selecting subctx id by client.
Bug 1842197
Change-Id: Icf56a41303bd1ad7fc6f2a6fbc691bb7b4a01d22
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master/r/1511145
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Diffstat (limited to 'include/uapi/linux')
-rw-r--r-- | include/uapi/linux/nvgpu-t19x.h | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/include/uapi/linux/nvgpu-t19x.h b/include/uapi/linux/nvgpu-t19x.h index 6a10fb77..96514a88 100644 --- a/include/uapi/linux/nvgpu-t19x.h +++ b/include/uapi/linux/nvgpu-t19x.h | |||
@@ -1,7 +1,7 @@ | |||
1 | /* | 1 | /* |
2 | * NVGPU Public Interface Header | 2 | * NVGPU Public Interface Header |
3 | * | 3 | * |
4 | * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. | 4 | * Copyright (c) 2016-2017, NVIDIA CORPORATION. All rights reserved. |
5 | * | 5 | * |
6 | * This program is free software; you can redistribute it and/or modify it | 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, | 7 | * under the terms and conditions of the GNU General Public License, |
@@ -27,4 +27,24 @@ | |||
27 | #define NVGPU_GPU_ARCH_GV110 0x00000150 | 27 | #define NVGPU_GPU_ARCH_GV110 0x00000150 |
28 | #define NVGPU_GPU_IMPL_GV11B 0x0000000B | 28 | #define NVGPU_GPU_IMPL_GV11B 0x0000000B |
29 | 29 | ||
30 | /* subcontexts are available */ | ||
31 | #define NVGPU_GPU_FLAGS_SUPPORT_TSG_SUBCONTEXTS (1ULL << 22) | ||
32 | |||
33 | struct nvgpu_tsg_bind_channel_ex_args { | ||
34 | /* in: channel fd */ | ||
35 | __s32 channel_fd; | ||
36 | |||
37 | /* in: VEID in Volta */ | ||
38 | __u32 subcontext_id; | ||
39 | |||
40 | __u64 reserved[2]; | ||
41 | }; | ||
42 | |||
43 | #define NVGPU_TSG_IOCTL_BIND_CHANNEL_EX \ | ||
44 | _IOWR(NVGPU_TSG_IOCTL_MAGIC, 11, struct nvgpu_tsg_bind_channel_ex_args) | ||
45 | |||
46 | #define NVGPU_TSG_IOCTL_MAX NVGPU_TSG_IOCTL_BIND_CHANNEL_EX | ||
47 | |||
48 | #define NVGPU_TSG_IOCTL_MAX_ARG sizeof(struct nvgpu_tsg_bind_channel_ex_args) | ||
49 | |||
30 | #endif /* _UAPI__LINUX_NVGPU_T19X_IOCTL_H_ */ | 50 | #endif /* _UAPI__LINUX_NVGPU_T19X_IOCTL_H_ */ |