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git://nv-tegra.nvidia.com/linux-nv-oot.git
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21a661c58f
Bug 4405013 Change-Id: I4c37c89b7dcc4c25e0b4e568b8d68d1a73c424f7 Signed-off-by: Joshua Cha <joshuac@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3028570 Reviewed-by: Kurt Yi <kyi@nvidia.com> Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* SPDX-FileCopyrightText: Copyright (c) 2022-2023 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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#define IVC_INVALID_IPA 0U
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#define IVC_TRAP_IPA 1U
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#define IVC_MSI_IPA 2U
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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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uint16_t noti_type; /* IVC_TRAP_IPA, IVC_MSI_IPA */
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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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int ivc_cdev_get_noti_type(uint32_t qid, uint32_t *noti_type);
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#endif
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