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/device.h> 36 #include <linux/io.h> 37 38 #include <linux/pci_ids.h> 39 40 struct pci_device_id { 41 uint32_t class; 42 uint32_t class_mask; 43 uint32_t vendor; 44 uint32_t device; 45 uint32_t subvendor; 46 uint32_t subdevice; 47 unsigned long driver_data; 48 }; 49 50 struct pci_dev { 51 struct device *dev; 52 }; 53 54 #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 55 56 static inline int 57 pci_read_config_byte(struct pci_dev *pdev, int where, u8 *val) 58 { 59 *val = (u16)pci_read_config(pdev->dev, where, 1); 60 return 0; 61 } 62 63 static inline int 64 pci_read_config_word(struct pci_dev *pdev, int where, u16 *val) 65 { 66 *val = (u16)pci_read_config(pdev->dev, where, 2); 67 return 0; 68 } 69 70 static inline int 71 pci_read_config_dword(struct pci_dev *pdev, int where, u32 *val) 72 { 73 *val = (u32)pci_read_config(pdev->dev, where, 4); 74 return 0; 75 } 76 77 static inline int 78 pci_write_config_byte(struct pci_dev *pdev, int where, u8 val) 79 { 80 pci_write_config(pdev->dev, where, val, 1); 81 return 0; 82 } 83 84 static inline int 85 pci_write_config_word(struct pci_dev *pdev, int where, u16 val) 86 { 87 pci_write_config(pdev->dev, where, val, 2); 88 return 0; 89 } 90 91 static inline int 92 pci_write_config_dword(struct pci_dev *pdev, int where, u32 val) 93 { 94 pci_write_config(pdev->dev, where, val, 4); 95 return 0; 96 } 97 98 99 static inline struct pci_dev * 100 pci_dev_get(struct pci_dev *dev) 101 { 102 /* Linux increments a reference count here */ 103 return dev; 104 } 105 106 static inline struct pci_dev * 107 pci_dev_put(struct pci_dev *dev) 108 { 109 /* Linux decrements a reference count here */ 110 return dev; 111 } 112 113 114 static inline int 115 pci_set_dma_mask(struct pci_dev *dev, u64 mask) 116 { 117 return -EIO; 118 } 119 120 static inline int 121 pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask) 122 { 123 return -EIO; 124 } 125 126 #endif /* LINUX_PCI_H */ 127