77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Disclaimer: The codes contained in these modules may be specific to
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* the Intel Software Development Platform codenamed: Knights Ferry, and
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* the Intel product codenamed: Knights Corner, and are not backward
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* compatible with other Intel products. Additionally, Intel will NOT
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* support the codes or instruction set in future products.
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*
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* Intel MIC Card driver.
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*
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*/
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#ifndef __MIC_CARD_VIRTIO_H
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#define __MIC_CARD_VIRTIO_H
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#include <linux/mic_common.h>
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#include "mic_device.h"
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/*
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* 64 bit I/O access
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*/
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#ifndef ioread64
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#define ioread64 readq
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#endif
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#ifndef iowrite64
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#define iowrite64 writeq
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#endif
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static inline unsigned mic_desc_size(struct mic_device_desc __iomem *desc)
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{
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return sizeof(*desc)
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+ ioread8(&desc->num_vq) * sizeof(struct mic_vqconfig)
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+ ioread8(&desc->feature_len) * 2
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+ ioread8(&desc->config_len);
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}
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static inline struct mic_vqconfig __iomem *
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mic_vq_config(struct mic_device_desc __iomem *desc)
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{
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return (struct mic_vqconfig __iomem *)(desc + 1);
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}
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static inline __u8 __iomem *
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mic_vq_features(struct mic_device_desc __iomem *desc)
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{
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return (__u8 __iomem *)(mic_vq_config(desc) + ioread8(&desc->num_vq));
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}
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static inline __u8 __iomem *
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mic_vq_configspace(struct mic_device_desc __iomem *desc)
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{
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return mic_vq_features(desc) + ioread8(&desc->feature_len) * 2;
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}
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static inline unsigned mic_total_desc_size(struct mic_device_desc __iomem *desc)
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{
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return mic_aligned_desc_size(desc) + sizeof(struct mic_device_ctrl);
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}
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int mic_devices_init(struct mic_driver *mdrv);
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void mic_devices_uninit(struct mic_driver *mdrv);
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#endif
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