mirror of https://github.com/F-Stack/f-stack.git
112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef EAL_PCI_INIT_H_
|
|
#define EAL_PCI_INIT_H_
|
|
|
|
#include <linux/version.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
|
|
|
|
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 10, 0)
|
|
#define RTE_PCI_MSIX_TABLE_BIR 0x7
|
|
#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
|
|
#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff
|
|
#else
|
|
#define RTE_PCI_MSIX_TABLE_BIR PCI_MSIX_TABLE_BIR
|
|
#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
|
|
#define RTE_PCI_MSIX_FLAGS_QSIZE PCI_MSIX_FLAGS_QSIZE
|
|
#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_ */
|