mirror of
https://github.com/revyos/thead-kernel.git
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70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _LIGHT_VRINGH_H
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#define _LIGHT_VRINGH_H
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#include <linux/vringh.h>
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#include <linux/virtio_config.h>
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#include <linux/virtio.h>
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#include <linux/netdevice.h>
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#include "../vhost/vhost.h"
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#define CNT_MASK 0x1F
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#define LIGHT_MAX_VRINGS 32
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struct light_vring {
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struct vring vr;
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void *va;
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int len;
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};
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struct light_vringh {
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struct light_vring vring;
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struct vringh vrh;
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struct vringh_kiov riov;
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struct vringh_kiov wiov;
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u16 head;
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struct mutex vr_mutex;
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struct light_vdev *vdev;
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};
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struct light_vdev {
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int virtio_id;
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struct device dev;
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struct device *device;
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wait_queue_head_t waitq;
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unsigned long out_bytes;
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unsigned long in_bytes;
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unsigned long out_bytes_dma;
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unsigned long in_bytes_dma;
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struct mutex mutex;
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spinlock_t lock;
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int wakeup;
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volatile unsigned char __iomem *frontend_intr_reg;
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volatile unsigned char __iomem *backend_intr_reg;
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u32 enable_intr;
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u32 clear_intr;
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int irq;
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#ifdef CONFIG_LIGHT_NET
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struct napi_struct napi;
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#endif
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struct work_struct work;
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struct dma_chan *dma_ch[2];
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struct list_head list;
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struct task_struct *task;
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#ifdef CONFIG_LIGHT_BLK
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struct vhost_virtqueue vqs[1];
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struct vhost_dev vhost_dev;
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struct block_device *this_bdev;
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#endif
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void *priv;
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int vq_num;
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int index;
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void (*kick)(void *);
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void (*notify)(struct light_vdev *);
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struct light_vringh vvr[LIGHT_MAX_VRINGS];
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};
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#endif
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