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misc: mods: update mods driver to 4.31

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Signed-off-by: Chris Dragan <kdragan@nvidia.com>
Change-Id: I41439d9268c2307bddf6f396db299ab937084d69
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3351803
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
This commit is contained in:
Chris Dragan
2025-04-24 08:15:56 -07:00
committed by Jon Hunter
parent 5fc58123c7
commit 6db615e47a
5 changed files with 286 additions and 168 deletions
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26
include/uapi/misc/mods.h
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@@ -1,5 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/* SPDX-FileCopyrightText: Copyright (c) 2008-2024, NVIDIA CORPORATION. All rights reserved. */
/* SPDX-FileCopyrightText: Copyright (c) 2008-2025, NVIDIA CORPORATION. All rights reserved. */
#ifndef _UAPI_MODS_H_
#define _UAPI_MODS_H_
@@ -8,7 +8,7 @@
/* Driver version */
#define MODS_DRIVER_VERSION_MAJOR 4
#define MODS_DRIVER_VERSION_MINOR 28
#define MODS_DRIVER_VERSION_MINOR 31
#define MODS_DRIVER_VERSION ((MODS_DRIVER_VERSION_MAJOR << 8) | \
((MODS_DRIVER_VERSION_MINOR / 10) << 4) | \
(MODS_DRIVER_VERSION_MINOR % 10))
@@ -207,6 +207,20 @@ struct MODS_MERGE_PAGES {
__u64 memory_handle;
};
/* Used by MODS_ESC_SET_CACHE_ATTR ioctl.
*
* Modifies caching attributes after the allocation.
*
* The allocation must be allocated with MODS_ALLOC_CACHED and cannot be dma-mapped.
*
* The flags field must be either MODS_ALLOC_UNCACHED or MODS_ALLOC_WRITECOMBINE.
*/
struct MODS_SET_CACHE_ATTR {
/* IN */
__u64 memory_handle;
__u32 flags;
};
/* Used by legacy ioctls:
* - MODS_ESC_GET_PHYSICAL_ADDRESS
* - MODS_ESC_GET_MAPPED_PHYSICAL_ADDRESS
@@ -1972,8 +1986,7 @@ struct MODS_IDLE {
*
* MODS_ESC_RESERVE_ALLOCATION permits the reservation of a memory allocation
* specified by 'memory_handle' with the tag 'tag'. The 'tag' can take on
* values between 1 and MODS_MEM_MAX_RESERVATIONS and is used to index
* reservations.
* any values other than 0.
*
* MODS_ESC_GET_RESERVED_ALLOCATION is used to claim ownership of a reservation
* specified by 'tag'. If an unclaimed reservation is found using 'tag',
@@ -1982,8 +1995,8 @@ struct MODS_IDLE {
* MODS_ESC_RELEASE_RESERVED_ALLOCATION is used to completely free and stop the
* usage of a memory reservation made through MODS_ESC_RESERVE_ALLOCATION or
* obtained through MODS_ESC_GET_RESERVED_ALLOCATION. The 'tag' is accepted as
* an input to identify the reservation to release. For this ioctl,
* 'memory_handle' is unused.
* an input to identify the reservation to release. 'memory_handle' field can
* be either 0 or it can be the specific memory handle which has this tag.
*
* Limitations include:
* - Only one client may own a reservation at any given time
@@ -2219,5 +2232,6 @@ struct MODS_RESERVE_ALLOCATION {
#define MODS_ESC_RESERVE_ALLOCATION MODSIO(W, 148, MODS_RESERVE_ALLOCATION)
#define MODS_ESC_GET_RESERVED_ALLOCATION MODSIO(WR, 149, MODS_RESERVE_ALLOCATION)
#define MODS_ESC_RELEASE_RESERVED_ALLOCATION MODSIO(W, 150, MODS_RESERVE_ALLOCATION)
#define MODS_ESC_SET_CACHE_ATTR MODSIO(W, 151, MODS_SET_CACHE_ATTR)
#endif /* _UAPI_MODS_H_ */