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/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (C) 2025 Intel Corporation */
#ifndef __LIBIE_PCI_H
#define __LIBIE_PCI_H
#include <linux/pci.h>
/**
* struct libie_pci_mmio_region - structure for MMIO region info
* @list: used to add a MMIO region to the list of MMIO regions in
* libie_mmio_info
* @addr: virtual address of MMIO region start
* @offset: start offset of the MMIO region
* @size: size of the MMIO region
* @bar_idx: BAR index to which the MMIO region belongs to
*/
struct libie_pci_mmio_region {
struct list_head list;
void __iomem *addr;
resource_size_t offset;
resource_size_t size;
u16 bar_idx;
};
/**
* struct libie_mmio_info - contains list of MMIO regions
* @pdev: PCI device pointer
* @mmio_list: list of MMIO regions
*/
struct libie_mmio_info {
struct pci_dev *pdev;
struct list_head mmio_list;
};
#define libie_pci_map_mmio_region(mmio_info, offset, size, ...) \
__libie_pci_map_mmio_region(mmio_info, offset, size, \
COUNT_ARGS(__VA_ARGS__), ##__VA_ARGS__)
#define libie_pci_get_mmio_addr(mmio_info, offset, ...) \
__libie_pci_get_mmio_addr(mmio_info, offset, \
COUNT_ARGS(__VA_ARGS__), ##__VA_ARGS__)
bool __libie_pci_map_mmio_region(struct libie_mmio_info *mmio_info,
resource_size_t offset, resource_size_t size,
int num_args, ...);
void __iomem *__libie_pci_get_mmio_addr(struct libie_mmio_info *mmio_info,
resource_size_t offset,
int num_args, ...);
void libie_pci_unmap_all_mmio_regions(struct libie_mmio_info *mmio_info);
void libie_pci_unmap_fltr_regs(struct libie_mmio_info *mmio_info,
bool (*fltr)(struct libie_mmio_info *mmio_info,
struct libie_pci_mmio_region *reg));
int libie_pci_init_dev(struct pci_dev *pdev);
#endif /* __LIBIE_PCI_H */
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