X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fbus%2Fpci%2Fpci_common_uio.c;h=7ea73dbc5b729dff09509e9712f154f553984e17;hb=40e01fd8c84c1ec71d41dc4fff23350428f4e48a;hp=0671131654aa3756c512dd268d757ef0d2fcdaaf;hpb=0e3ef055bee51b6cf4bf8d8d0a1377a5941a0741;p=dpdk.git diff --git a/drivers/bus/pci/pci_common_uio.c b/drivers/bus/pci/pci_common_uio.c index 0671131654..7ea73dbc5b 100644 --- a/drivers/bus/pci/pci_common_uio.c +++ b/drivers/bus/pci/pci_common_uio.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2015 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2015 Intel Corporation */ #include @@ -119,7 +90,6 @@ pci_uio_map_resource(struct rte_pci_device *dev) dev->intr_handle.fd = -1; dev->intr_handle.uio_cfg_fd = -1; - dev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN; /* secondary processes - use already recorded details */ if (rte_eal_process_type() != RTE_PROC_PRIMARY) @@ -176,6 +146,39 @@ pci_uio_unmap(struct mapped_pci_resource *uio_res) } } +/* remap the PCI resource of a PCI device in anonymous virtual memory */ +int +pci_uio_remap_resource(struct rte_pci_device *dev) +{ + int i; + void *map_address; + + if (dev == NULL) + return -1; + + /* Remap all BARs */ + for (i = 0; i != PCI_MAX_RESOURCE; i++) { + /* skip empty BAR */ + if (dev->mem_resource[i].phys_addr == 0) + continue; + map_address = mmap(dev->mem_resource[i].addr, + (size_t)dev->mem_resource[i].len, + PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0); + if (map_address == MAP_FAILED) { + RTE_LOG(ERR, EAL, + "Cannot remap resource for device %s\n", + dev->name); + return -1; + } + RTE_LOG(INFO, EAL, + "Successful remap resource for device %s\n", + dev->name); + } + + return 0; +} + static struct mapped_pci_resource * pci_uio_find_resource(struct rte_pci_device *dev) {