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gpu: nvgpu: vgpu: perfbuffer support

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Add vgpu support for ModeE perfbuffers

- VM allocation is handled by the kernel, with final mapping
  handled by the RM server
- Enabling/disabling the perfbuffer is handled by the RM server

Bug 1880196
JIRA EVLR-1074

Change-Id: Ifbeb5ede6b07e2e112b930c602c22b66a58ac920
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master/r/1506747
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Peter Daifuku
2017-06-21 16:44:55 -07:00
committed by mobile promotions
parent cadd5120d3
commit f7e37e6847
4 changed files with 94 additions and 37 deletions
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8
include/linux/tegra_vgpu.h
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@@ -104,6 +104,7 @@ enum {
TEGRA_VGPU_CMD_GET_GPU_FREQ_TABLE = 70,
TEGRA_VGPU_CMD_CAP_GPU_CLK_RATE = 71,
TEGRA_VGPU_CMD_PROF_MGT = 72,
TEGRA_VGPU_CMD_PERFBUF_MGT = 73,
TEGRA_VGPU_CMD_GET_TIMESTAMPS_ZIPPER = 74,
};
@@ -488,6 +489,12 @@ struct tegra_vgpu_prof_mgt_params {
u32 mode;
};
struct tegra_vgpu_perfbuf_mgt_params {
u64 vm_handle;
u64 offset;
u32 size;
};
#define TEGRA_VGPU_GPU_FREQ_TABLE_SIZE 25
struct tegra_vgpu_get_gpu_freq_table_params {
@@ -545,6 +552,7 @@ struct tegra_vgpu_cmd_msg {
struct tegra_vgpu_suspend_resume_contexts resume_contexts;
struct tegra_vgpu_clear_sm_error_state clear_sm_error_state;
struct tegra_vgpu_prof_mgt_params prof_management;
struct tegra_vgpu_perfbuf_mgt_params perfbuf_management;
struct tegra_vgpu_get_timestamps_zipper_params get_timestamps_zipper;
struct tegra_vgpu_get_gpu_freq_table_params get_gpu_freq_table;
char padding[192];