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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#ifndef EAL_PCI_INIT_H_
#define EAL_PCI_INIT_H_
#include <rte_vfio.h>
/** IO resource type: */
#define IORESOURCE_IO 0x00000100
#define IORESOURCE_MEM 0x00000200
/*
* Helper function to map PCI resources right after hugepages in virtual memory
*/
extern void *pci_map_addr;
void *pci_find_max_end_va(void);
/* parse one line of the "resource" sysfs file (note that the 'line'
* string is modified)
*/
int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr,
uint64_t *end_addr, uint64_t *flags);
int pci_uio_alloc_resource(struct rte_pci_device *dev,
struct mapped_pci_resource **uio_res);
void pci_uio_free_resource(struct rte_pci_device *dev,
struct mapped_pci_resource *uio_res);
int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
struct mapped_pci_resource *uio_res, int map_idx);
int pci_uio_read_config(const struct rte_intr_handle *intr_handle,
void *buf, size_t len, off_t offs);
int pci_uio_write_config(const struct rte_intr_handle *intr_handle,
const void *buf, size_t len, off_t offs);
int pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
struct rte_pci_ioport *p);
void pci_uio_ioport_read(struct rte_pci_ioport *p,
void *data, size_t len, off_t offset);
void pci_uio_ioport_write(struct rte_pci_ioport *p,
const void *data, size_t len, off_t offset);
int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
#ifdef VFIO_PRESENT
#ifdef PCI_MSIX_TABLE_BIR
#define RTE_PCI_MSIX_TABLE_BIR PCI_MSIX_TABLE_BIR
#else
#define RTE_PCI_MSIX_TABLE_BIR 0x7
#endif
#ifdef PCI_MSIX_TABLE_OFFSET
#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
#else
#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
#endif
#ifdef PCI_MSIX_FLAGS_QSIZE
#define RTE_PCI_MSIX_FLAGS_QSIZE PCI_MSIX_FLAGS_QSIZE
#else
#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff
#endif
/* access config space */
int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
void *buf, size_t len, off_t offs);
int pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
const void *buf, size_t len, off_t offs);
int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
struct rte_pci_ioport *p);
void pci_vfio_ioport_read(struct rte_pci_ioport *p,
void *data, size_t len, off_t offset);
void pci_vfio_ioport_write(struct rte_pci_ioport *p,
const void *data, size_t len, off_t offset);
int pci_vfio_ioport_unmap(struct rte_pci_ioport *p);
/* map/unmap VFIO resource prototype */
int pci_vfio_map_resource(struct rte_pci_device *dev);
int pci_vfio_unmap_resource(struct rte_pci_device *dev);
int pci_vfio_is_enabled(void);
#endif
#endif /* EAL_PCI_INIT_H_ */
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