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nvidia-oot: port tegra ivc-cdev driver

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Using this patch we are adding support for
tegra ivc-cdev driver in oot kernel.

JIRA ESLC-6885

Signed-off-by: Manish Bhardwaj <mbhardwaj@nvidia.com>
Change-Id: I7b9d7b46e7ee3ba221aa25f25f1eec72a314fb79
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2763832
Reviewed-by: Suresh Venkatachalam <skathirampat@nvidia.com>
Reviewed-by: Bitan Biswas <bbiswas@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Manish Bhardwaj
2022-09-30 01:29:53 +05:30
committed by mobile promotions
parent b791c2e35c
commit b5bfbf41b4
3 changed files with 666 additions and 0 deletions
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41
include/uapi/linux/tegra-ivc-dev.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/
#ifndef __UAPI_TEGRA_IVC_DEV_H
#define __UAPI_TEGRA_IVC_DEV_H
#include <linux/ioctl.h>
struct nvipc_ivc_info {
uint32_t nframes;
uint32_t frame_size;
uint32_t queue_offset;
uint32_t queue_size;
uint32_t area_size;
bool rx_first;
uint64_t noti_ipa;
uint16_t noti_irq;
};
/* IOCTL magic number */
#define NVIPC_IVC_IOCTL_MAGIC 0xAA
/* query ivc info */
#define NVIPC_IVC_IOCTL_GET_INFO \
_IOWR(NVIPC_IVC_IOCTL_MAGIC, 1, struct nvipc_ivc_info)
/* notify remote */
#define NVIPC_IVC_IOCTL_NOTIFY_REMOTE \
_IO(NVIPC_IVC_IOCTL_MAGIC, 2)
/* query vmid */
#define NVIPC_IVC_IOCTL_GET_VMID \
_IOR(NVIPC_IVC_IOCTL_MAGIC, 3, uint32_t)
#define NVIPC_IVC_IOCTL_NUMBER_MAX 3
int ivc_cdev_get_peer_vmid(uint32_t qid, uint32_t *peer_vmid);
#endif