From 771f742703bb56598bc341ec4eaee5ff7c036d4d Mon Sep 17 00:00:00 2001 From: Deepak Nibade Date: Wed, 27 Apr 2016 19:02:43 +0530 Subject: gpu: nvgpu: add supported preemptions to gpu characteristics Add below flag fields to gpu characteristics to indicate supported and default preemption modes on platform for graphics and compute __u32 graphics_preemption_mode_flags; __u32 compute_preemption_mode_flags; __u32 default_graphics_preempt_mode; __u32 default_compute_preempt_mode; Add struct nvgpu_preemption_modes_rec to struct gr_gk20a to store these values locally Use platform specific get_preemption_mode_flags() to get the flags and define gk20a/gm20b specific get_preemption_mode_flags() API Bug 1646259 Change-Id: I80193c0d988dc93bd96585f9aa631fd817f4dfa3 Signed-off-by: Deepak Nibade Reviewed-on: http://git-master/r/1133595 Reviewed-by: Terje Bergstrom Tested-by: Terje Bergstrom --- include/uapi/linux/nvgpu.h | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'include/uapi') diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h index 8ebe8d06..82b78f8f 100644 --- a/include/uapi/linux/nvgpu.h +++ b/include/uapi/linux/nvgpu.h @@ -187,6 +187,13 @@ struct nvgpu_gpu_characteristics { __u64 max_freq; + /* supported preemption modes */ + __u32 graphics_preemption_mode_flags; /* NVGPU_GRAPHICS_PREEMPTION_MODE_* */ + __u32 compute_preemption_mode_flags; /* NVGPU_COMPUTE_PREEMPTION_MODE_* */ + /* default preemption modes */ + __u32 default_graphics_preempt_mode; /* NVGPU_GRAPHICS_PREEMPTION_MODE_* */ + __u32 default_compute_preempt_mode; /* NVGPU_COMPUTE_PREEMPTION_MODE_* */ + /* Notes: - This struct can be safely appended with new fields. However, always keep the structure size multiple of 8 and make sure that the binary -- cgit v1.2.2