projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /*- |
| 2 | * BSD LICENSE | |
| 3 | * | |
| 4 | * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * Redistribution and use in source and binary forms, with or without | |
| 8 | * modification, are permitted provided that the following conditions | |
| 9 | * are met: | |
| 10 | * | |
| 11 | * * Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * * Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in | |
| 15 | * the documentation and/or other materials provided with the | |
| 16 | * distribution. | |
| 17 | * * Neither the name of Intel Corporation nor the names of its | |
| 18 | * contributors may be used to endorse or promote products derived | |
| 19 | * from this software without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 22 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 24 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 25 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 26 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 27 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 28 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 29 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 30 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | */ | |
| 33 | ||
| 34 | #ifndef EAL_PCI_INIT_H_ | |
| 35 | #define EAL_PCI_INIT_H_ | |
| 36 | ||
| 37 | #include "eal_vfio.h" | |
| 38 | ||
| 39 | /** IO resource type: */ | |
| 40 | #define IORESOURCE_IO 0x00000100 | |
| 41 | #define IORESOURCE_MEM 0x00000200 | |
| 42 | ||
| 43 | /* | |
| 44 | * Helper function to map PCI resources right after hugepages in virtual memory | |
| 45 | */ | |
| 46 | extern void *pci_map_addr; | |
| 47 | void *pci_find_max_end_va(void); | |
| 48 | ||
| 49 | /* parse one line of the "resource" sysfs file (note that the 'line' | |
| 50 | * string is modified) | |
| 51 | */ | |
| 52 | int pci_parse_one_sysfs_resource(char *line, size_t len, uint64_t *phys_addr, | |
| 53 | uint64_t *end_addr, uint64_t *flags); | |
| 54 | ||
| 55 | int pci_uio_alloc_resource(struct rte_pci_device *dev, | |
| 56 | struct mapped_pci_resource **uio_res); | |
| 57 | void pci_uio_free_resource(struct rte_pci_device *dev, | |
| 58 | struct mapped_pci_resource *uio_res); | |
| 59 | int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx, | |
| 60 | struct mapped_pci_resource *uio_res, int map_idx); | |
| 61 | ||
| 62 | int pci_uio_read_config(const struct rte_intr_handle *intr_handle, | |
| 63 | void *buf, size_t len, off_t offs); | |
| 64 | int pci_uio_write_config(const struct rte_intr_handle *intr_handle, | |
| 65 | const void *buf, size_t len, off_t offs); | |
| 66 | ||
| 67 | int pci_uio_ioport_map(struct rte_pci_device *dev, int bar, | |
| 68 | struct rte_pci_ioport *p); | |
| 69 | void pci_uio_ioport_read(struct rte_pci_ioport *p, | |
| 70 | void *data, size_t len, off_t offset); | |
| 71 | void pci_uio_ioport_write(struct rte_pci_ioport *p, | |
| 72 | const void *data, size_t len, off_t offset); | |
| 73 | int pci_uio_ioport_unmap(struct rte_pci_ioport *p); | |
| 74 | ||
| 75 | #ifdef VFIO_PRESENT | |
| 76 | ||
| 77 | /* access config space */ | |
| 78 | int pci_vfio_read_config(const struct rte_intr_handle *intr_handle, | |
| 79 | void *buf, size_t len, off_t offs); | |
| 80 | int pci_vfio_write_config(const struct rte_intr_handle *intr_handle, | |
| 81 | const void *buf, size_t len, off_t offs); | |
| 82 | ||
| 83 | int pci_vfio_ioport_map(struct rte_pci_device *dev, int bar, | |
| 84 | struct rte_pci_ioport *p); | |
| 85 | void pci_vfio_ioport_read(struct rte_pci_ioport *p, | |
| 86 | void *data, size_t len, off_t offset); | |
| 87 | void pci_vfio_ioport_write(struct rte_pci_ioport *p, | |
| 88 | const void *data, size_t len, off_t offset); | |
| 89 | int pci_vfio_ioport_unmap(struct rte_pci_ioport *p); | |
| 90 | ||
| 91 | /* map VFIO resource prototype */ | |
| 92 | int pci_vfio_map_resource(struct rte_pci_device *dev); | |
| 93 | ||
| 94 | #endif | |
| 95 | ||
| 96 | #endif /* EAL_PCI_INIT_H_ */ |