nv-tegra-mirror/linux-nvgpu
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nvgpu.git synced 2025-12-22 09:12:24 +03:00
Code Issues Packages Projects Releases Wiki Activity

gpu: nvgpu: vgpu: get virtual SMs mapping

Browse Source 
On gv11b we can have multiple SMs per TPC. Add sm_per_tpc in
vgpu constants to properly dimension the virtual SM to TPC/GPC
mapping in virtualization case.
Use TEGRA_VGPU_CMD_GET_SMS_MAPPING to query current mapping.

Bug 2039676

Change-Id: I817be18f9a28cfb9bd8af207d7d6341a2ec3994b
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1631203
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Thomas Fleury
2017-12-30 13:04:19 -08:00
committed by mobile promotions
parent 5fb7c7d8f9
commit 6b90684cee
13 changed files with 110 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
include/linux/tegra_vgpu.h
View File

@@ -1,7 +1,7 @@
/*
* Tegra GPU Virtualization Interfaces to Server
*
* Copyright (c) 2014-2017, NVIDIA Corporation. All rights reserved.
* Copyright (c) 2014-2018, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -111,6 +111,7 @@ enum {
TEGRA_VGPU_CMD_PERFBUF_MGT = 73,
TEGRA_VGPU_CMD_GET_TIMESTAMPS_ZIPPER = 74,
TEGRA_VGPU_CMD_TSG_RELEASE = 75,
TEGRA_VGPU_CMD_GET_VSMS_MAPPING = 76,
};
struct tegra_vgpu_connect_params {
@@ -482,6 +483,7 @@ struct tegra_vgpu_constants_params {
u32 channel_base;
struct tegra_vgpu_engines_info engines_info;
u32 num_pce;
u32 sm_per_tpc;
};
struct tegra_vgpu_channel_cyclestats_snapshot_params {
@@ -530,6 +532,17 @@ struct tegra_vgpu_get_gpu_freq_table_params {
u32 freqs[TEGRA_VGPU_GPU_FREQ_TABLE_SIZE]; /* in kHz */
};
struct tegra_vgpu_vsms_mapping_params {
u32 num_sm;
};
struct tegra_vgpu_vsms_mapping_entry {
u32 gpc_index;
u32 tpc_index;
u32 sm_index;
u32 global_tpc_index;
};
struct tegra_vgpu_cmd_msg {
u32 cmd;
int ret;
@@ -584,6 +597,7 @@ struct tegra_vgpu_cmd_msg {
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;
struct tegra_vgpu_vsms_mapping_params vsms_mapping;
#ifdef CONFIG_TEGRA_19x_GPU
union tegra_vgpu_t19x_params t19x;
#endif