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eventlib: unify NVDLA/PVA fence types and add fence recording

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Bug 2170736

Change-Id: If4fdeda140bf2474a08beb2a0d7c3fc1737a1a66
Signed-off-by: Dmitry Antipov <dantipov@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1750906
Reviewed-by: Saleh Dindar <sdindar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Colin Tracey <ctracey@nvidia.com>
Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Dmitry Antipov
2018-08-14 14:17:05 +03:00
committed by Laxman Dewangan
parent fd1ad24e14
commit a03ddacc0d
1 changed files with 58 additions and 0 deletions
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58
include/uapi/linux/nvdev_fence.h Normal file
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/*
* include/uapi/linux/nvdev_fence.h
*
* Tegra PVA/DLA fence support
*
* Copyright (c) 2018, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LINUX_NVDEV_FENCE_H
#define LINUX_NVDEV_FENCE_H
#include <linux/types.h>
/* used for the recording with keventlib */
enum nvdev_fence_kind {
NVDEV_FENCE_KIND_PRE = 0,
NVDEV_FENCE_KIND_POST
};
/**
* struct nvdev_fence structure for passing fence information
*
* @type: Type of the fence (syncpoint, sync fd or semaphore)
* @syncpoint_index: Syncpoint id
* @syncpoint_value: Value of syncpoint id
* @sync_fd: Linux sync FD handle
* @semaphore_handle: File handle to the semaphore memory buffer
* @semaphore_offset: Offset to the semaphore within the buffer
* @semaphore_value: Value of the semaphore
*/
struct nvdev_fence {
__u32 type;
#define NVDEV_FENCE_TYPE_SYNCPT 0
#define NVDEV_FENCE_TYPE_SYNC_FD 1
#define NVDEV_FENCE_TYPE_SEMAPHORE 2
#define NVDEV_FENCE_TYPE_SEMAPHORE_TS 3
__u32 syncpoint_index;
__u32 syncpoint_value;
__u32 sync_fd;
__u32 semaphore_handle;
__u32 semaphore_offset;
__u32 semaphore_value;
};
#endif /* LINUX_NVDEV_FENCE_H */