mirror of https://gitee.com/openkylin/linux.git
77 lines
2.2 KiB
C
77 lines
2.2 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".
|
|
*
|
|
* Disclaimer: The codes contained in these modules may be specific to
|
|
* the Intel Software Development Platform codenamed: Knights Ferry, and
|
|
* the Intel product codenamed: Knights Corner, and are not backward
|
|
* compatible with other Intel products. Additionally, Intel will NOT
|
|
* support the codes or instruction set in future products.
|
|
*
|
|
* Intel MIC Card driver.
|
|
*
|
|
*/
|
|
#ifndef __MIC_CARD_VIRTIO_H
|
|
#define __MIC_CARD_VIRTIO_H
|
|
|
|
#include <linux/mic_common.h>
|
|
#include "mic_device.h"
|
|
|
|
/*
|
|
* 64 bit I/O access
|
|
*/
|
|
#ifndef ioread64
|
|
#define ioread64 readq
|
|
#endif
|
|
#ifndef iowrite64
|
|
#define iowrite64 writeq
|
|
#endif
|
|
|
|
static inline unsigned mic_desc_size(struct mic_device_desc __iomem *desc)
|
|
{
|
|
return sizeof(*desc)
|
|
+ ioread8(&desc->num_vq) * sizeof(struct mic_vqconfig)
|
|
+ ioread8(&desc->feature_len) * 2
|
|
+ ioread8(&desc->config_len);
|
|
}
|
|
|
|
static inline struct mic_vqconfig __iomem *
|
|
mic_vq_config(struct mic_device_desc __iomem *desc)
|
|
{
|
|
return (struct mic_vqconfig __iomem *)(desc + 1);
|
|
}
|
|
|
|
static inline __u8 __iomem *
|
|
mic_vq_features(struct mic_device_desc __iomem *desc)
|
|
{
|
|
return (__u8 __iomem *)(mic_vq_config(desc) + ioread8(&desc->num_vq));
|
|
}
|
|
|
|
static inline __u8 __iomem *
|
|
mic_vq_configspace(struct mic_device_desc __iomem *desc)
|
|
{
|
|
return mic_vq_features(desc) + ioread8(&desc->feature_len) * 2;
|
|
}
|
|
static inline unsigned mic_total_desc_size(struct mic_device_desc __iomem *desc)
|
|
{
|
|
return mic_aligned_desc_size(desc) + sizeof(struct mic_device_ctrl);
|
|
}
|
|
|
|
int mic_devices_init(struct mic_driver *mdrv);
|
|
void mic_devices_uninit(struct mic_driver *mdrv);
|
|
|
|
#endif
|