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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_VIRTIO_PCI_LEGACY_H
#define _LINUX_VIRTIO_PCI_LEGACY_H
#include "linux/mod_devicetable.h"
#include <linux/pci.h>
#include <linux/virtio_pci.h>
struct virtio_pci_legacy_device {
struct pci_dev *pci_dev;
/* Where to read and clear interrupt */
u8 __iomem *isr;
/* The IO mapping for the PCI config space (legacy mode only) */
void __iomem *ioaddr;
struct virtio_device_id id;
};
u64 vp_legacy_get_features(struct virtio_pci_legacy_device *ldev);
u64 vp_legacy_get_driver_features(struct virtio_pci_legacy_device *ldev);
void vp_legacy_set_features(struct virtio_pci_legacy_device *ldev,
u32 features);
u8 vp_legacy_get_status(struct virtio_pci_legacy_device *ldev);
void vp_legacy_set_status(struct virtio_pci_legacy_device *ldev,
u8 status);
u16 vp_legacy_queue_vector(struct virtio_pci_legacy_device *ldev,
u16 idx, u16 vector);
u16 vp_legacy_config_vector(struct virtio_pci_legacy_device *ldev,
u16 vector);
void vp_legacy_set_queue_address(struct virtio_pci_legacy_device *ldev,
u16 index, u32 queue_pfn);
bool vp_legacy_get_queue_enable(struct virtio_pci_legacy_device *ldev,
u16 idx);
u16 vp_legacy_get_queue_size(struct virtio_pci_legacy_device *ldev,
u16 idx);
int vp_legacy_probe(struct virtio_pci_legacy_device *ldev);
void vp_legacy_remove(struct virtio_pci_legacy_device *ldev);
#endif