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git://nv-tegra.nvidia.com/linux-nv-oot.git
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nvmap: Copy drivers and headers from kernel/nvidia
Copy the driver and header sources of the nvmap to kernel/nvidia-oot from kernel/nvidia as part of removing the dependency of kernel/nvidia for OOT drivers. The latest (few) git history of the files copied are b7a355916 video: tegra: nvmap: Fix type casting issue 2128c5433 video: tegra: nvmap: Fix type casting issues 0cd082559 video: tegra: nvmap: Change peer vm id data type 4bd7ece67 tegra: nvmap: mark ivm carveout pages occupied e86f3630a video: tegra: nvmap: Fix type casting issue c43a23e58 video: tegra: nvmap: Fix type casting issue ca1dda22e video: tegra: nvmap: Fix type casting issue 1f567abfe video: tegra: nvmap: Fix wrap up condition 29db4d31c video: tegra: nvmap: Remove unnecessary debugfs fe72f1413 video: tegra: nvmap: Remove get_drv_data() call 3b0fc79e7 video: tegra: nvmap: Fix coverity defect 3cc0ce41b video: tegra: nvmap: Fix coverity defect 6da39e966 video: tegra: nvmap: Fix WARN_ON condition a16351ff1 video: tegra: nvmap: Remove dead code 9993f2d2d video: tegra: nvmap: Update print level 6066a2077 video: tegra: nvmap: Remove nvmap_debug_lru_allocations_show 3cdf2b7ba video: tegra: nvmap: Add kernel version check 716ded4fc video: tegra: nvmap: Initialize the return value 9b6c1b4ab video: tegra: nvmap: Correct debugfs code 33e70118b video: tegra: nvmap: Fix Cert-C error handling bug 7b960ed79 video: tegra: nvmap: Fix Cert-C error handling bug 945dc1471 video: tegra: nvmap: Fix Cert-C error handling bug 31e572de2 video: tegra: nvmap: Fix Cert-C error handling bug 1f25cbf68 video: tegra: nvmap: Fix Cert-C error handling bug fa5428107 video: tegra: nvmap: Remove nvmap_handle_get_from_fd df73f2208 video: tegra: nvmap: Protect kmap/kunmap code 9842e7c6a video: tegra: nvmap: Remove t19x dma_buf map/unmap 06dff1a8d video: tegra: nvmap: Remove unnecessary export symbols 6f097f86b video: tegra: nvmap: Fix Cert-C error handling bug f14171608 video: tegra: nvmap: load nvmap for T23x compatible platforms 266812814 video: tegra: nvmap: Get rid of NVMAP_CONFIG_KSTABLE_KERNEL 1b38c0887 nvmap: Don't use NV_BUILD_KERNEL_OPTIONS 0ab8dc032 video: tegra: nvmap: Reintroduce NVMAP_CONFIG_VPR_RESIZE cc8db9797 driver: platform: tegra: Separate out vpr code 28955d95c video/tegra: nvmap: Enable build as OOT module 876d1fbb8 video: tegra: nvmap: Remove IS_ENABLED check 5ea30867a nvmap: Add support to build as module from OOT kernel a71ad020e video: tegra: nvmap: Protect tegra_vpr args under config e70061cc1 video: tegra: nvmap: Do not export cvnas_dev d2a26ff36 video: tegra: nvmap: Include missing header 692e4f682 video: tegra: nvmap: Update page coloring algo 2b9dbb911 video: tegra: nvmap: Check for return value de8de12b6 video: tegra: nvmap: Enable legacy init support 65d478158 video: tegra: nvmap: Remove dependency of cvnas 38bdd6f05 video: tegra: nvmap: Make nvmap as loadable module 9668e410b video: tegra: nvmap: Enable handle as ID 11c6cbd23 tegra: nvmap: Fix build for Linux v5.18 fbd95c3ab linux: nvmap: change ivm_handle to u32 eb1e2c302 video: tegra: nvmap: Fix NVSCIIPC support 022689b29 tegra: nvmap: return error if handle as ID enabled but id is fd 19e5106ed video: tegra: nvmap: Don't treat ivm as reserved mem carveouts Bug 4038415 Change-Id: I7108aec3b8532fe79c9423c2835744b1213719e8 Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
This commit is contained in:
Laxman Dewangan
366
include/uapi/linux/nvmap.h
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366
include/uapi/linux/nvmap.h
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/*
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* include/uapi/linux/nvmap.h
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*
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* structure declarations for nvmem and nvmap user-space ioctls
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*
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* Copyright (c) 2009-2022, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#ifndef __UAPI_LINUX_NVMAP_H
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#define __UAPI_LINUX_NVMAP_H
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/*
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* DOC: NvMap Userspace API
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*
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* create a client by opening /dev/nvmap
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* most operations handled via following ioctls
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*
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*/
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enum {
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NVMAP_HANDLE_PARAM_SIZE = 1,
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NVMAP_HANDLE_PARAM_ALIGNMENT,
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NVMAP_HANDLE_PARAM_BASE,
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NVMAP_HANDLE_PARAM_HEAP,
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NVMAP_HANDLE_PARAM_KIND,
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NVMAP_HANDLE_PARAM_COMPR, /* ignored, to be removed */
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};
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enum {
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NVMAP_CACHE_OP_WB = 0,
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NVMAP_CACHE_OP_INV,
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NVMAP_CACHE_OP_WB_INV,
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};
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enum {
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NVMAP_PAGES_UNRESERVE = 0,
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NVMAP_PAGES_RESERVE,
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NVMAP_INSERT_PAGES_ON_UNRESERVE,
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NVMAP_PAGES_PROT_AND_CLEAN,
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};
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#define NVMAP_ELEM_SIZE_U64 (1 << 31)
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struct nvmap_create_handle {
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union {
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struct {
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union {
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/* size will be overwritten */
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__u32 size; /* CreateHandle */
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__s32 fd; /* DmaBufFd or FromFd */
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};
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__u32 handle; /* returns nvmap handle */
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};
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struct {
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/* one is input parameter, and other is output parameter
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* since its a union please note that input parameter
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* will be overwritten once ioctl returns
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*/
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union {
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__u64 ivm_id; /* CreateHandle from ivm*/
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__u32 ivm_handle;/* Get ivm_id from handle */
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};
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};
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struct {
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union {
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/* size64 will be overwritten */
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__u64 size64; /* CreateHandle */
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__u32 handle64; /* returns nvmap handle */
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};
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};
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};
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};
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struct nvmap_create_handle_from_va {
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__u64 va; /* FromVA*/
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__u32 size; /* non-zero for partial memory VMA. zero for end of VMA */
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__u32 flags; /* wb/wc/uc/iwb, tag etc. */
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union {
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__u32 handle; /* returns nvmap handle */
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__u64 size64; /* used when size is 0 */
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};
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};
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struct nvmap_gup_test {
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__u64 va; /* FromVA*/
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__u32 handle; /* returns nvmap handle */
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__u32 result; /* result=1 for pass, result=-err for failure */
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};
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struct nvmap_alloc_handle {
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__u32 handle; /* nvmap handle */
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__u32 heap_mask; /* heaps to allocate from */
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__u32 flags; /* wb/wc/uc/iwb etc. */
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__u32 align; /* min alignment necessary */
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};
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struct nvmap_alloc_ivm_handle {
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__u32 handle; /* nvmap handle */
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__u32 heap_mask; /* heaps to allocate from */
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__u32 flags; /* wb/wc/uc/iwb etc. */
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__u32 align; /* min alignment necessary */
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__u32 peer; /* peer with whom handle must be shared. Used
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* only for NVMAP_HEAP_CARVEOUT_IVM
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*/
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};
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struct nvmap_rw_handle {
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__u64 addr; /* user pointer*/
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__u32 handle; /* nvmap handle */
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__u64 offset; /* offset into hmem */
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__u64 elem_size; /* individual atom size */
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__u64 hmem_stride; /* delta in bytes between atoms in hmem */
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__u64 user_stride; /* delta in bytes between atoms in user */
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__u64 count; /* number of atoms to copy */
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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struct nvmap_rw_handle_32 {
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__u32 addr; /* user pointer */
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__u32 handle; /* nvmap handle */
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__u32 offset; /* offset into hmem */
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__u32 elem_size; /* individual atom size */
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__u32 hmem_stride; /* delta in bytes between atoms in hmem */
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__u32 user_stride; /* delta in bytes between atoms in user */
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__u32 count; /* number of atoms to copy */
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};
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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struct nvmap_handle_param {
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__u32 handle; /* nvmap handle */
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__u32 param; /* size/align/base/heap etc. */
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unsigned long result; /* returns requested info*/
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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struct nvmap_handle_param_32 {
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__u32 handle; /* nvmap handle */
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__u32 param; /* size/align/base/heap etc. */
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__u32 result; /* returns requested info*/
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};
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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struct nvmap_cache_op {
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unsigned long addr; /* user pointer*/
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__u32 handle; /* nvmap handle */
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__u32 len; /* bytes to flush */
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__s32 op; /* wb/wb_inv/inv */
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};
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struct nvmap_cache_op_64 {
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unsigned long addr; /* user pointer*/
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__u32 handle; /* nvmap handle */
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__u64 len; /* bytes to flush */
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__s32 op; /* wb/wb_inv/inv */
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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struct nvmap_cache_op_32 {
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__u32 addr; /* user pointer*/
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__u32 handle; /* nvmap handle */
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__u32 len; /* bytes to flush */
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__s32 op; /* wb/wb_inv/inv */
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};
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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struct nvmap_cache_op_list {
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__u64 handles; /* Ptr to u32 type array, holding handles */
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__u64 offsets; /* Ptr to u32 type array, holding offsets
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* into handle mem */
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__u64 sizes; /* Ptr to u32 type array, holindg sizes of memory
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* regions within each handle */
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__u32 nr; /* Number of handles */
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__s32 op; /* wb/wb_inv/inv */
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};
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struct nvmap_debugfs_handles_header {
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__u8 version;
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};
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struct nvmap_debugfs_handles_entry {
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__u64 base;
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__u64 size;
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__u32 flags;
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__u32 share_count;
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__u64 mapped_size;
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};
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struct nvmap_set_tag_label {
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__u32 tag;
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__u32 len; /* in: label length
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out: number of characters copied */
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__u64 addr; /* in: pointer to label or NULL to remove */
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};
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struct nvmap_available_heaps {
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__u64 heaps; /* heaps bitmask */
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};
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struct nvmap_heap_size {
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__u32 heap;
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__u64 size;
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};
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struct nvmap_sciipc_map {
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__u64 auth_token; /* AuthToken */
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__u32 flags; /* Exporter permission flags */
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__u32 sci_ipc_id; /* FromImportId */
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__u32 handle; /* Nvmap handle */
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};
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struct nvmap_handle_parameters {
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__u8 contig;
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__u32 import_id;
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__u32 handle;
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__u32 heap_number;
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__u32 access_flags;
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__u64 heap;
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__u64 align;
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__u64 coherency;
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__u64 size;
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__u64 offset;
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};
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/**
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* Struct used while querying heap parameters
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*/
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struct nvmap_query_heap_params {
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__u32 heap_mask;
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__u32 flags;
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__u8 contig;
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__u64 total;
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__u64 free;
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__u64 largest_free_block;
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};
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/**
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* Struct used while duplicating memory handle
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*/
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struct nvmap_duplicate_handle {
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__u32 handle;
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__u32 access_flags;
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__u32 dup_handle;
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};
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#define NVMAP_IOC_MAGIC 'N'
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/* Creates a new memory handle. On input, the argument is the size of the new
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* handle; on return, the argument is the name of the new handle
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*/
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#define NVMAP_IOC_CREATE _IOWR(NVMAP_IOC_MAGIC, 0, struct nvmap_create_handle)
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#define NVMAP_IOC_CREATE_64 \
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_IOWR(NVMAP_IOC_MAGIC, 1, struct nvmap_create_handle)
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#define NVMAP_IOC_FROM_ID _IOWR(NVMAP_IOC_MAGIC, 2, struct nvmap_create_handle)
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/* Actually allocates memory for the specified handle */
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#define NVMAP_IOC_ALLOC _IOW(NVMAP_IOC_MAGIC, 3, struct nvmap_alloc_handle)
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/* Frees a memory handle, unpinning any pinned pages and unmapping any mappings
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*/
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#define NVMAP_IOC_FREE _IO(NVMAP_IOC_MAGIC, 4)
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/* Reads/writes data (possibly strided) from a user-provided buffer into the
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* hmem at the specified offset */
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#define NVMAP_IOC_WRITE _IOW(NVMAP_IOC_MAGIC, 6, struct nvmap_rw_handle)
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#define NVMAP_IOC_READ _IOW(NVMAP_IOC_MAGIC, 7, struct nvmap_rw_handle)
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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#define NVMAP_IOC_WRITE_32 _IOW(NVMAP_IOC_MAGIC, 6, struct nvmap_rw_handle_32)
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#define NVMAP_IOC_READ_32 _IOW(NVMAP_IOC_MAGIC, 7, struct nvmap_rw_handle_32)
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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#define NVMAP_IOC_PARAM _IOWR(NVMAP_IOC_MAGIC, 8, struct nvmap_handle_param)
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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#define NVMAP_IOC_PARAM_32 _IOWR(NVMAP_IOC_MAGIC, 8, struct nvmap_handle_param_32)
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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#define NVMAP_IOC_CACHE _IOW(NVMAP_IOC_MAGIC, 12, struct nvmap_cache_op)
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#define NVMAP_IOC_CACHE_64 _IOW(NVMAP_IOC_MAGIC, 12, struct nvmap_cache_op_64)
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#ifdef __KERNEL__
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#ifdef CONFIG_COMPAT
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#define NVMAP_IOC_CACHE_32 _IOW(NVMAP_IOC_MAGIC, 12, struct nvmap_cache_op_32)
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#endif /* CONFIG_COMPAT */
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#endif /* __KERNEL__ */
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/* Returns a global ID usable to allow a remote process to create a handle
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* reference to the same handle */
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#define NVMAP_IOC_GET_ID _IOWR(NVMAP_IOC_MAGIC, 13, struct nvmap_create_handle)
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/* Returns a file id that allows a remote process to create a handle
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* reference to the same handle */
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#define NVMAP_IOC_GET_FD _IOWR(NVMAP_IOC_MAGIC, 15, struct nvmap_create_handle)
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/* Create a new memory handle from file id passed */
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#define NVMAP_IOC_FROM_FD _IOWR(NVMAP_IOC_MAGIC, 16, struct nvmap_create_handle)
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/* Perform cache maintenance on a list of handles. */
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#define NVMAP_IOC_CACHE_LIST _IOW(NVMAP_IOC_MAGIC, 17, \
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struct nvmap_cache_op_list)
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#define NVMAP_IOC_FROM_IVC_ID _IOWR(NVMAP_IOC_MAGIC, 19, struct nvmap_create_handle)
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#define NVMAP_IOC_GET_IVC_ID _IOWR(NVMAP_IOC_MAGIC, 20, struct nvmap_create_handle)
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#define NVMAP_IOC_GET_IVM_HEAPS _IOR(NVMAP_IOC_MAGIC, 21, unsigned int)
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/* Create a new memory handle from VA passed */
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#define NVMAP_IOC_FROM_VA _IOWR(NVMAP_IOC_MAGIC, 22, struct nvmap_create_handle_from_va)
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#define NVMAP_IOC_GUP_TEST _IOWR(NVMAP_IOC_MAGIC, 23, struct nvmap_gup_test)
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/* Define a label for allocation tag */
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#define NVMAP_IOC_SET_TAG_LABEL _IOW(NVMAP_IOC_MAGIC, 24, struct nvmap_set_tag_label)
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#define NVMAP_IOC_GET_AVAILABLE_HEAPS \
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_IOR(NVMAP_IOC_MAGIC, 25, struct nvmap_available_heaps)
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#define NVMAP_IOC_GET_HEAP_SIZE \
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_IOR(NVMAP_IOC_MAGIC, 26, struct nvmap_heap_size)
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#define NVMAP_IOC_PARAMETERS \
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_IOR(NVMAP_IOC_MAGIC, 27, struct nvmap_handle_parameters)
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/* START of T124 IOCTLS */
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/* Actually allocates memory from IVM heaps */
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#define NVMAP_IOC_ALLOC_IVM _IOW(NVMAP_IOC_MAGIC, 101, struct nvmap_alloc_ivm_handle)
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/* Allocate seperate memory for VPR */
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#define NVMAP_IOC_VPR_FLOOR_SIZE _IOW(NVMAP_IOC_MAGIC, 102, __u32)
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/* Get SCI_IPC_ID tied up with nvmap_handle */
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#define NVMAP_IOC_GET_SCIIPCID _IOR(NVMAP_IOC_MAGIC, 103, \
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struct nvmap_sciipc_map)
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/* Get Nvmap handle from SCI_IPC_ID */
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#define NVMAP_IOC_HANDLE_FROM_SCIIPCID _IOR(NVMAP_IOC_MAGIC, 104, \
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struct nvmap_sciipc_map)
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/* Get heap parameters such as total and frre size */
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#define NVMAP_IOC_QUERY_HEAP_PARAMS _IOR(NVMAP_IOC_MAGIC, 105, \
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struct nvmap_query_heap_params)
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/* Duplicate NvRmMemHandle with same/reduced permission */
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#define NVMAP_IOC_DUP_HANDLE _IOWR(NVMAP_IOC_MAGIC, 106, \
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struct nvmap_duplicate_handle)
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#define NVMAP_IOC_MAXNR (_IOC_NR(NVMAP_IOC_DUP_HANDLE))
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#endif /* __UAPI_LINUX_NVMAP_H */
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