a12f226789
In real life, kernel version is only weakly corolated with presence or absence of defines in header files. Instead, check directly if the needed value is defined. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2014 Intel Corporation
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*/
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#ifndef EAL_PCI_INIT_H_
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#define EAL_PCI_INIT_H_
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#include <rte_vfio.h>
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/** IO resource type: */
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#define IORESOURCE_IO 0x00000100
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#define IORESOURCE_MEM 0x00000200
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/*
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* Helper function to map PCI resources right after hugepages in virtual memory
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*/
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extern void *pci_map_addr;
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void *pci_find_max_end_va(void);
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/* parse one line of the "resource" sysfs file (note that the 'line'
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* string is modified)
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*/
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int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr,
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uint64_t *end_addr, uint64_t *flags);
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int pci_uio_alloc_resource(struct rte_pci_device *dev,
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struct mapped_pci_resource **uio_res);
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void pci_uio_free_resource(struct rte_pci_device *dev,
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struct mapped_pci_resource *uio_res);
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int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
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struct mapped_pci_resource *uio_res, int map_idx);
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int pci_uio_read_config(const struct rte_intr_handle *intr_handle,
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void *buf, size_t len, off_t offs);
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int pci_uio_write_config(const struct rte_intr_handle *intr_handle,
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const void *buf, size_t len, off_t offs);
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int pci_uio_ioport_map(struct rte_pci_device *dev, int bar,
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struct rte_pci_ioport *p);
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void pci_uio_ioport_read(struct rte_pci_ioport *p,
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void *data, size_t len, off_t offset);
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void pci_uio_ioport_write(struct rte_pci_ioport *p,
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const void *data, size_t len, off_t offset);
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int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
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#ifdef VFIO_PRESENT
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#ifdef PCI_MSIX_TABLE_BIR
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#define RTE_PCI_MSIX_TABLE_BIR PCI_MSIX_TABLE_BIR
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#else
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#define RTE_PCI_MSIX_TABLE_BIR 0x7
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#endif
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#ifdef PCI_MSIX_TABLE_OFFSET
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#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
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#else
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#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
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#endif
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#ifdef PCI_MSIX_FLAGS_QSIZE
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#define RTE_PCI_MSIX_FLAGS_QSIZE PCI_MSIX_FLAGS_QSIZE
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#else
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#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff
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#endif
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/* access config space */
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int pci_vfio_read_config(const struct rte_intr_handle *intr_handle,
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void *buf, size_t len, off_t offs);
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int pci_vfio_write_config(const struct rte_intr_handle *intr_handle,
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const void *buf, size_t len, off_t offs);
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int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar,
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struct rte_pci_ioport *p);
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void pci_vfio_ioport_read(struct rte_pci_ioport *p,
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void *data, size_t len, off_t offset);
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void pci_vfio_ioport_write(struct rte_pci_ioport *p,
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const void *data, size_t len, off_t offset);
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int pci_vfio_ioport_unmap(struct rte_pci_ioport *p);
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/* map/unmap VFIO resource prototype */
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int pci_vfio_map_resource(struct rte_pci_device *dev);
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int pci_vfio_unmap_resource(struct rte_pci_device *dev);
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int pci_vfio_is_enabled(void);
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#endif
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#endif /* EAL_PCI_INIT_H_ */
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