1 /* 2 * Copyright (c) 2015 Ruslan Bukin <br@bsdpad.com> 3 * Copyright (c) 2015 The FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by Semihalf. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * 30 * $FreeBSD$ 31 * 32 */ 33 34 #ifndef __PCI_HOST_GENERIC_H_ 35 #define __PCI_HOST_GENERIC_H_ 36 37 #include "pci_if.h" 38 39 #define MAX_RANGES_TUPLES 16 40 #define MIN_RANGES_TUPLES 2 41 42 struct pcie_range { 43 uint64_t pci_base; 44 uint64_t phys_base; 45 uint64_t size; 46 uint64_t flags; 47 #define FLAG_IO (1 << 0) 48 #define FLAG_MEM (1 << 1) 49 }; 50 51 struct generic_pcie_core_softc { 52 struct pcie_range ranges[MAX_RANGES_TUPLES]; 53 int nranges; 54 int coherent; 55 struct rman mem_rman; 56 struct rman io_rman; 57 struct resource *res; 58 struct resource *res1; 59 int ecam; 60 bus_space_tag_t bst; 61 bus_space_handle_t bsh; 62 device_t dev; 63 bus_space_handle_t ioh; 64 bus_dma_tag_t dmat; 65 }; 66 67 DECLARE_CLASS(generic_pcie_core_driver); 68 69 int pci_host_generic_core_attach(device_t); 70 struct resource *pci_host_generic_core_alloc_resource(device_t, device_t, int, 71 int *, rman_res_t, rman_res_t, rman_res_t, u_int); 72 int pci_host_generic_core_release_resource(device_t, device_t, int, int, 73 struct resource *); 74 75 #endif /* __PCI_HOST_GENERIC_H_ */ 76