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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __UM_VIRT_PCI_H
#define __UM_VIRT_PCI_H
#include <linux/pci.h>
struct um_pci_device {
const struct um_pci_ops *ops;
/* for now just standard BARs */
u8 resptr[PCI_STD_NUM_BARS];
int irq;
};
struct um_pci_ops {
unsigned long (*cfgspace_read)(struct um_pci_device *dev,
unsigned int offset, int size);
void (*cfgspace_write)(struct um_pci_device *dev, unsigned int offset,
int size, unsigned long val);
unsigned long (*bar_read)(struct um_pci_device *dev, int bar,
unsigned int offset, int size);
void (*bar_write)(struct um_pci_device *dev, int bar,
unsigned int offset, int size, unsigned long val);
void (*bar_copy_from)(struct um_pci_device *dev, int bar, void *buffer,
unsigned int offset, int size);
void (*bar_copy_to)(struct um_pci_device *dev, int bar,
unsigned int offset, const void *buffer, int size);
void (*bar_set)(struct um_pci_device *dev, int bar,
unsigned int offset, u8 value, int size);
};
int um_pci_device_register(struct um_pci_device *dev);
void um_pci_device_unregister(struct um_pci_device *dev);
int um_pci_platform_device_register(struct um_pci_device *dev);
void um_pci_platform_device_unregister(struct um_pci_device *dev);
#endif /* __UM_VIRT_PCI_H */
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