nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-23 01:50:07 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: add support to set channel timeslice

Browse Source 
As part of improving GPU scheduling, userspace can now set a
channel's timeslice, within reasonable limits imposed by the
kernel driver.

JIRA VFND-1312
Bug 1729664

Change-Id: I4c3430c43437889b8685f12988d4b967bb7877bb
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1020917
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
This commit is contained in:
Aingara Paramakuru
2016-02-25 14:19:24 -05:00
committed by Terje Bergstrom
parent 032efd066e
commit 82da6ed595
5 changed files with 44 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/uapi/linux/nvgpu.h
View File

@@ -880,6 +880,12 @@ struct nvgpu_runlist_interleave_args {
#define NVGPU_RUNLIST_INTERLEAVE_LEVEL_HIGH 2
#define NVGPU_RUNLIST_INTERLEAVE_NUM_LEVELS 3
/* controls how long a channel occupies an engine uninterrupted */
struct nvgpu_timeslice_args {
__u32 timeslice_us;
__u32 reserved;
};
#define NVGPU_IOCTL_CHANNEL_SET_NVMAP_FD \
_IOW(NVGPU_IOCTL_MAGIC, 5, struct nvgpu_set_nvmap_fd_args)
#define NVGPU_IOCTL_CHANNEL_SET_TIMEOUT \
@@ -924,9 +930,11 @@ struct nvgpu_runlist_interleave_args {
_IOW(NVGPU_IOCTL_MAGIC, 119, struct nvgpu_channel_wdt_args)
#define NVGPU_IOCTL_CHANNEL_SET_RUNLIST_INTERLEAVE \
_IOW(NVGPU_IOCTL_MAGIC, 120, struct nvgpu_runlist_interleave_args)
#define NVGPU_IOCTL_CHANNEL_SET_TIMESLICE \
_IOW(NVGPU_IOCTL_MAGIC, 121, struct nvgpu_timeslice_args)
#define NVGPU_IOCTL_CHANNEL_LAST \
_IOC_NR(NVGPU_IOCTL_CHANNEL_SET_RUNLIST_INTERLEAVE)
_IOC_NR(NVGPU_IOCTL_CHANNEL_SET_TIMESLICE)
#define NVGPU_IOCTL_CHANNEL_MAX_ARG_SIZE sizeof(struct nvgpu_submit_gpfifo_args)
/*