Files
linux-nvgpu/drivers/gpu/nvgpu/os/posix/os_posix.h
Philip Elcan 991066aad7 gpu: nvgpu: posix: allow sgt iommuability config
This allows unit tests to control whether sgt's are viewed as IOMMU'able
or not.

JIRA NVGPU-1443

Change-Id: Ib0d17993fe05ecc9130c1d5bfd528795a5359ce5
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1962782
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2018-12-03 13:05:17 -08:00

65 lines
1.9 KiB
C

/*
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __NVGPU_OS_POSIX_H__
#define __NVGPU_OS_POSIX_H__
#include <nvgpu/gk20a.h>
struct nvgpu_posix_io_callbacks;
struct nvgpu_os_posix {
struct gk20a g;
/*
* IO callbacks for handling the nvgpu IO accessors.
*/
struct nvgpu_posix_io_callbacks *callbacks;
/*
* Memory-mapped register space for unit tests.
*/
struct nvgpu_list_node reg_space_head;
int error_code;
/*
* List to record sequence of register writes.
*/
struct nvgpu_list_node recorder_head;
bool recording;
/*
* Parameters to change the behavior of MM-related functions
*/
bool mm_is_iommuable;
bool mm_sgt_is_iommuable;
};
static inline struct nvgpu_os_posix *nvgpu_os_posix_from_gk20a(struct gk20a *g)
{
return container_of(g, struct nvgpu_os_posix, g);
}
#endif