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git://nv-tegra.nvidia.com/linux-nv-oot.git
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872cead7b6
1. Update Host1x-Syncpt - add syncpt-list in syncpoint-pool structure. - add exported "host1x-syncpt-*" interface and supporting private interface. 2. Update Host1x-NvHost - add support for nvhost-syncpt and nvhost-client interface and supporting private interface. - falcon and pm interface not supported 3. Update Host1x-Fence - add exported "host1x-fence-*" interface and supporting private interface. 4. Add Host1x-Poll - Per Pool polling workequeue created - add poll supporting private interface. 5. Add new IOCTL Jira HOSTX-5514 Change-Id: I187fa7ed89a3479e51b79f9d8d438ede75e1a36a Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3136834 Tested-by: Amitabh Dutta <amitabhd@nvidia.com> Reviewed-by: Bitan Biswas <bbiswas@nvidia.com> GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com> Reviewed-by: Amitabh Dutta <amitabhd@nvidia.com>
130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
/*
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* SPDX-FileCopyrightText: Copyright (c) 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: GPL-2.0-only
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*/
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#ifndef __UAPI_LINUX_EMU_HOST1X_SYNCPT_IOCTL_H
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#define __UAPI_LINUX_EMU_HOST1X_SYNCPT_IOCTL_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#if !defined(__KERNEL__)
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#define __user
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#endif
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#define HOST1X_EMU_SYNCPT_IOCTL_MAGIC 'E'
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#define HOST1X_EMU_SYNCPT_INVALID_SYNCPOINT 0xFFFFFFFF
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#define HOST1X_EMU_SYNCPT_SUBMIT_MAX_NUM_SYNCPT_INCRS 10
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struct host1x_emu_ctrl_alloc_syncpt_args {
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/**
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* @id: [out]
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*
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* ID of allocated syncpoint.
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*/
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__u32 id;
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__u32 padding;
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};
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struct host1x_emu_ctrl_free_syncpt_args {
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/**
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* @id: [in]
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*
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* ID of syncpoint to free.
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*/
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__u32 id;
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__u32 padding;
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};
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struct host1x_emu_ctrl_syncpt_read_args {
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/**
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* @id:
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*
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* ID of the syncpoint to read the current value from.
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*/
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__u32 id;
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/**
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* @value:
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*
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* The current syncpoint value. Set by the kernel upon successful
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* completion of the IOCTL.
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*/
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__u32 value;
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};
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struct host1x_emu_ctrl_syncpt_incr_args {
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/**
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* @id:
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*
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* ID of the syncpoint to increment.
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*/
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__u32 id;
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/**
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* @val:
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*
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* Syncpoint increment value.
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*/
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__u32 val;
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};
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struct host1x_emu_ctrl_syncpt_wait_args {
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/**
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* @timeout: [in]
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*
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* Absolute timestamp at which the wait will time out.
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*/
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__s64 timeout_ns;
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/**
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* @id: [in]
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*
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* ID of syncpoint to wait on.
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*/
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__u32 id;
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/**
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* @threshold: [in]
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*
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* Threshold to wait for.
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*/
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__u32 threshold;
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/**
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* @value: [out]
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*
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* Value of the syncpoint upon wait completion.
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*/
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__u32 value;
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/**
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* @timestamp: [out]
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*
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* CLOCK_MONOTONIC timestamp in nanoseconds taken when the wait completes.
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*/
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__u64 timestamp;
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};
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_ALLOC_SYNCPT \
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_IOWR(HOST1X_EMU_SYNCPT_IOCTL_MAGIC, 1, struct host1x_emu_ctrl_alloc_syncpt_args)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_FREE_SYNCPT \
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_IOWR(HOST1X_EMU_SYNCPT_IOCTL_MAGIC, 2, struct host1x_emu_ctrl_free_syncpt_args)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_SYNCPT_READ \
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_IOWR(HOST1X_EMU_SYNCPT_IOCTL_MAGIC, 3, struct host1x_emu_ctrl_syncpt_read_args)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_SYNCPT_INCR \
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_IOW(HOST1X_EMU_SYNCPT_IOCTL_MAGIC, 4, struct host1x_emu_ctrl_syncpt_incr_args)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_SYNCPT_WAIT \
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_IOW(HOST1X_EMU_SYNCPT_IOCTL_MAGIC, 5, struct host1x_emu_ctrl_syncpt_wait_args)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_LAST \
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_IOC_NR(HOST1X_EMU_SYNCPT_IOCTL_CTRL_SYNCPT_WAIT)
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#define HOST1X_EMU_SYNCPT_IOCTL_CTRL_MAX_ARG_SIZE \
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sizeof(struct host1x_emu_ctrl_syncpt_wait_args)
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#endif
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