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b5bfbf41b4
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>
42 lines
885 B
C
42 lines
885 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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*/
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#ifndef __UAPI_TEGRA_IVC_DEV_H
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#define __UAPI_TEGRA_IVC_DEV_H
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#include <linux/ioctl.h>
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struct nvipc_ivc_info {
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uint32_t nframes;
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uint32_t frame_size;
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uint32_t queue_offset;
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uint32_t queue_size;
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uint32_t area_size;
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bool rx_first;
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uint64_t noti_ipa;
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uint16_t noti_irq;
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};
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/* IOCTL magic number */
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#define NVIPC_IVC_IOCTL_MAGIC 0xAA
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/* query ivc info */
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#define NVIPC_IVC_IOCTL_GET_INFO \
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_IOWR(NVIPC_IVC_IOCTL_MAGIC, 1, struct nvipc_ivc_info)
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/* notify remote */
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#define NVIPC_IVC_IOCTL_NOTIFY_REMOTE \
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_IO(NVIPC_IVC_IOCTL_MAGIC, 2)
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/* query vmid */
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#define NVIPC_IVC_IOCTL_GET_VMID \
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_IOR(NVIPC_IVC_IOCTL_MAGIC, 3, uint32_t)
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#define NVIPC_IVC_IOCTL_NUMBER_MAX 3
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int ivc_cdev_get_peer_vmid(uint32_t qid, uint32_t *peer_vmid);
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#endif
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