1 /* 2 * Copyright (c) 2014-2015 François Tigeot 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef LINUX_PCI_H 28 #define LINUX_PCI_H 29 30 #define PCI_ANY_ID (~0u) 31 32 #include <sys/bus.h> 33 #include <bus/pci/pcivar.h> 34 35 #include <linux/types.h> 36 #include <linux/device.h> 37 #include <linux/io.h> 38 39 #include <linux/pci_ids.h> 40 41 struct pci_device_id { 42 uint32_t class; 43 uint32_t class_mask; 44 uint32_t vendor; 45 uint32_t device; 46 uint32_t subvendor; 47 uint32_t subdevice; 48 unsigned long driver_data; 49 }; 50 51 struct pci_dev { 52 struct device *dev; 53 }; 54 55 #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 56 57 static inline int 58 pci_read_config_byte(struct pci_dev *pdev, int where, u8 *val) 59 { 60 *val = (u16)pci_read_config(pdev->dev, where, 1); 61 return 0; 62 } 63 64 static inline int 65 pci_read_config_word(struct pci_dev *pdev, int where, u16 *val) 66 { 67 *val = (u16)pci_read_config(pdev->dev, where, 2); 68 return 0; 69 } 70 71 static inline int 72 pci_read_config_dword(struct pci_dev *pdev, int where, u32 *val) 73 { 74 *val = (u32)pci_read_config(pdev->dev, where, 4); 75 return 0; 76 } 77 78 static inline int 79 pci_write_config_byte(struct pci_dev *pdev, int where, u8 val) 80 { 81 pci_write_config(pdev->dev, where, val, 1); 82 return 0; 83 } 84 85 static inline int 86 pci_write_config_word(struct pci_dev *pdev, int where, u16 val) 87 { 88 pci_write_config(pdev->dev, where, val, 2); 89 return 0; 90 } 91 92 static inline int 93 pci_write_config_dword(struct pci_dev *pdev, int where, u32 val) 94 { 95 pci_write_config(pdev->dev, where, val, 4); 96 return 0; 97 } 98 99 100 static inline struct pci_dev * 101 pci_dev_get(struct pci_dev *dev) 102 { 103 /* Linux increments a reference count here */ 104 return dev; 105 } 106 107 static inline struct pci_dev * 108 pci_dev_put(struct pci_dev *dev) 109 { 110 /* Linux decrements a reference count here */ 111 return dev; 112 } 113 114 115 static inline int 116 pci_set_dma_mask(struct pci_dev *dev, u64 mask) 117 { 118 return -EIO; 119 } 120 121 static inline int 122 pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) 123 { 124 return -EIO; 125 } 126 127 #endif /* LINUX_PCI_H */ 128