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misc: mods: add new ioctls

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Add ioctls to read device properties and map proximity id to NUMA node.

Bug 3538850

Change-Id: I65b6decbdfbe12de7d1f1eb3edbb71b9fd56fb8a
Signed-off-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2786128
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Chris Dragan
2022-10-03 08:42:09 -07:00
committed by Laxman Dewangan
parent 47a9a4cd68
commit e01a6e01a0
6 changed files with 143 additions and 10 deletions
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38
include/uapi/misc/mods.h
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* mods.h - This file is part of NVIDIA MODS kernel driver.
* This file is part of NVIDIA MODS kernel driver.
*
* Copyright (c) 2008-2022, NVIDIA CORPORATION. All rights reserved.
*
@@ -1639,7 +1639,6 @@ struct MODS_DMA_HANDLE_2 {
char ctrl_dir[MODS_DMA_HANDLE_CTRL_DIR_LEN];
};
enum MODS_DMA_TRANSFER_DIRECTION {
MODS_DMA_MEM_TO_MEM,
MODS_DMA_MEM_TO_DEV,
@@ -1861,6 +1860,39 @@ struct MODS_TEGRA_OIST_STATUS {
#define MODS_IOMMU_MAP_CONTIGUOUS 1
#define MODS_MAX_PROP_NAME_LEN 64
#define MODS_MAX_PROP_SIZE 8192
#define MODS_PROP_TYPE_U64 8
/* Used by MODS_ESC_READ_DEV_PROPERTY
*
* Reads a device property from firmware.
*/
struct MODS_READ_DEV_PROPERTY {
/* IN */
struct mods_pci_dev_2 pci_device;
char prop_name[MODS_MAX_PROP_NAME_LEN];
__u32 array_size;
__u8 type;
__u8 dummy_align[3];
/* OUT */
__u8 output[MODS_MAX_PROP_SIZE];
};
/* Used by MODS_ESC_PROXIMITY_TO_NUMA_NODE
*
* Converts proximity id to NUMA node id.
*/
struct MODS_PROXIMITY_TO_NUMA_NODE {
/* IN */
__s32 proximity;
/* OUT */
__s32 numa_node;
};
#pragma pack(pop)
#define MODS_IOC_MAGIC 'x'
@@ -2063,5 +2095,7 @@ struct MODS_TEGRA_OIST_STATUS {
#define MODS_ESC_SEND_TZ_MSG MODSIO(WR, 139, MODS_TZ_PARAMS)
#define MODS_ESC_OIST_STATUS MODSIO(WR, 140, MODS_TEGRA_OIST_STATUS)
#define MODS_ESC_INVOKE_OPTEE_TA MODSIO(WR, 141, MODS_OPTEE_PARAMS)
#define MODS_ESC_READ_DEV_PROPERTY MODSIO(WR, 142, MODS_READ_DEV_PROPERTY)
#define MODS_ESC_PROXIMITY_TO_NUMA_NODE MODSIO(WR, 143, MODS_PROXIMITY_TO_NUMA_NODE)
#endif /* _UAPI_MODS_H_ */