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ecf294a6f6
The Xilinx DMA/Bridge Subsystem for PCIe (XDMA) provides up to 16 user interrupt wires to user logic that generate interrupts to the host. This patch adds APIs to enable/disable user logic interrupt for a given interrupt wire index. Signed-off-by: Lizhi Hou <lizhi.hou@amd.com> Signed-off-by: Sonal Santan <sonal.santan@amd.com> Signed-off-by: Max Zhen <max.zhen@amd.com> Signed-off-by: Brian Xu <brian.xu@amd.com> Tested-by: Martin Tuma <tumic@gpxsee.org> Link: https://lore.kernel.org/r/1674145926-29449-3-git-send-email-lizhi.hou@amd.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
16 lines
483 B
C
16 lines
483 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Copyright (C) 2022, Advanced Micro Devices, Inc.
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*/
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#ifndef _DMAENGINE_AMD_XDMA_H
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#define _DMAENGINE_AMD_XDMA_H
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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int xdma_enable_user_irq(struct platform_device *pdev, u32 irq_num);
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void xdma_disable_user_irq(struct platform_device *pdev, u32 irq_num);
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int xdma_get_user_irq(struct platform_device *pdev, u32 user_irq_index);
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#endif /* _DMAENGINE_AMD_XDMA_H */
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