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d1b28712b6
Implement the ioctls NVGPU_TSG_IOCTL_CREATE_SUBCONTEXT and NVGPU_TSG_IOCTL_DELETE_SUBCONTEXT. These will allocate and free the VEID numbers. Address space association with the VEIDs is verified to ensure that channels association with VEIDs and address space remains consistent. Bug 3677982 JIRA NVGPU-8681 Change-Id: I2d913baf61a6bdeec412c58270c0024b80ca15c6 Signed-off-by: Sagar Kamble <skamble@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2766765 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/*
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* GK20A Address Spaces
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*
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* Copyright (c) 2011-2022, 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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#ifndef __NVGPU_COMMON_LINUX_AS_H__
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#define __NVGPU_COMMON_LINUX_AS_H__
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struct inode;
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struct file;
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struct vm_gk20a;
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/* MAP_BUFFER_BATCH_LIMIT: the upper limit for num_unmaps and
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* num_maps */
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#define NVGPU_IOCTL_AS_MAP_BUFFER_BATCH_LIMIT 256
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/* struct file_operations driver interface */
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int gk20a_as_dev_open(struct inode *inode, struct file *filp);
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int gk20a_as_dev_release(struct inode *inode, struct file *filp);
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struct vm_gk20a *nvgpu_vm_get_from_file(int fd);
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long gk20a_as_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
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extern const struct file_operations gk20a_as_ops;
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#endif
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