linux/drivers/misc/mic/common/mic_dev.h

52 lines
1.3 KiB
C

/*
* Intel MIC Platform Software Stack (MPSS)
*
* Copyright(c) 2013 Intel Corporation.
*
* 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".
*
* Intel MIC driver.
*
*/
#ifndef __MIC_DEV_H__
#define __MIC_DEV_H__
/**
* struct mic_mw - MIC memory window
*
* @pa: Base physical address.
* @va: Base ioremap'd virtual address.
* @len: Size of the memory window.
*/
struct mic_mw {
phys_addr_t pa;
void __iomem *va;
resource_size_t len;
};
/*
* Scratch pad register offsets used by the host to communicate
* device page DMA address to the card.
*/
#define MIC_DPLO_SPAD 14
#define MIC_DPHI_SPAD 15
/*
* These values are supposed to be in the config_change field of the
* device page when the host sends a config change interrupt to the card.
*/
#define MIC_VIRTIO_PARAM_DEV_REMOVE 0x1
#define MIC_VIRTIO_PARAM_CONFIG_CHANGED 0x2
#endif