forked from Minki/linux
4e43d779e5
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details the full gnu general public license is included in this distribution in the file called copying extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 39 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.397680977@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Intel MIC Platform Software Stack (MPSS)
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*
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* Copyright(c) 2013 Intel Corporation.
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*
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* Intel MIC driver.
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*/
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#ifndef __MIC_DEV_H__
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#define __MIC_DEV_H__
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/* The maximum number of MIC devices supported in a single host system. */
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#define MIC_MAX_NUM_DEVS 128
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/**
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* enum mic_hw_family - The hardware family to which a device belongs.
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*/
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enum mic_hw_family {
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MIC_FAMILY_X100 = 0,
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MIC_FAMILY_X200,
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MIC_FAMILY_UNKNOWN,
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MIC_FAMILY_LAST
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};
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/**
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* struct mic_mw - MIC memory window
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*
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* @pa: Base physical address.
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* @va: Base ioremap'd virtual address.
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* @len: Size of the memory window.
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*/
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struct mic_mw {
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phys_addr_t pa;
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void __iomem *va;
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resource_size_t len;
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};
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/*
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* Scratch pad register offsets used by the host to communicate
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* device page DMA address to the card.
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*/
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#define MIC_DPLO_SPAD 14
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#define MIC_DPHI_SPAD 15
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/*
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* These values are supposed to be in the config_change field of the
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* device page when the host sends a config change interrupt to the card.
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*/
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#define MIC_VIRTIO_PARAM_DEV_REMOVE 0x1
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#define MIC_VIRTIO_PARAM_CONFIG_CHANGED 0x2
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/* Maximum number of DMA channels */
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#define MIC_MAX_DMA_CHAN 4
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#endif
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