Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 1 | /* |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 2 | * |
| 3 | * Copyright (C) 2010 coresystems GmbH |
| 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, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 26 | * SUCH DAMAGE. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _PCI_PCI_H |
| 30 | #define _PCI_PCI_H |
| 31 | |
| 32 | /* we implement at least this version */ |
| 33 | #define PCI_LIB_VERSION 0x020200 |
| 34 | |
| 35 | #include <pci.h> |
| 36 | |
Stefan Tauner | 9090ff9 | 2013-08-25 12:35:09 +0200 | [diff] [blame] | 37 | #define PCI_REVISION_ID REG_REVISION_ID |
| 38 | #define PCI_CLASS_PROG REG_PROG_IF |
Nico Huber | c95f2f5 | 2012-12-07 15:45:10 +0100 | [diff] [blame] | 39 | #define PCI_CLASS_DEVICE REG_SUBCLASS |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 40 | #define PCI_SUBSYSTEM_VENDOR_ID REG_SUBSYS_VENDOR_ID |
| 41 | #define PCI_SUBSYSTEM_ID REG_SUBSYS_ID |
| 42 | |
| 43 | #define PCI_COMMAND REG_COMMAND |
| 44 | #define PCI_COMMAND_IO REG_COMMAND_IO |
| 45 | #define PCI_COMMAND_MEMORY REG_COMMAND_MEM |
| 46 | #define PCI_COMMAND_MASTER REG_COMMAND_BM |
| 47 | |
| 48 | #define PCI_HEADER_TYPE REG_HEADER_TYPE |
| 49 | #define PCI_HEADER_TYPE_NORMAL HEADER_TYPE_NORMAL |
| 50 | #define PCI_HEADER_TYPE_BRIDGE HEADER_TYPE_BRIDGE |
| 51 | #define PCI_HEADER_TYPE_CARDBUS HEADER_TYPE_CARDBUS |
| 52 | |
| 53 | #define PCI_BASE_ADDRESS_0 0x10 |
| 54 | #define PCI_BASE_ADDRESS_1 0x14 |
| 55 | #define PCI_BASE_ADDRESS_2 0x18 |
| 56 | #define PCI_BASE_ADDRESS_3 0x1c |
| 57 | #define PCI_BASE_ADDRESS_4 0x20 |
| 58 | #define PCI_BASE_ADDRESS_5 0x24 |
| 59 | #define PCI_BASE_ADDRESS_SPACE 1 // mask |
| 60 | #define PCI_BASE_ADDRESS_SPACE_IO 1 |
| 61 | #define PCI_BASE_ADDRESS_SPACE_MEM 0 |
Furquan Shaikh | 49f7dd9 | 2016-06-19 23:22:26 -0700 | [diff] [blame] | 62 | #define PCI_BASE_ADDRESS_MEM_MASK ~0xf |
| 63 | #define PCI_BASE_ADDRESS_IO_MASK ~0x3 |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 64 | |
| 65 | #define PCI_ROM_ADDRESS 0x30 |
| 66 | #define PCI_ROM_ADDRESS1 0x38 // on bridges |
| 67 | #define PCI_ROM_ADDRESS_MASK ~0x7ff |
| 68 | |
Felix Singer | b4b73d4 | 2020-10-14 18:44:49 +0200 | [diff] [blame] | 69 | #define PCI_CLASS_STORAGE_AHCI 0x0106 |
Thomas Heijligen | fffc21d | 2019-07-10 16:05:36 +0200 | [diff] [blame^] | 70 | #define PCI_CLASS_STORAGE_NVME 0x0108 |
Nico Huber | abc69cd | 2017-08-01 12:15:04 +0200 | [diff] [blame] | 71 | #define PCI_CLASS_MEMORY_OTHER 0x0580 |
| 72 | |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 73 | #define PCI_VENDOR_ID_INTEL 0x8086 |
| 74 | |
| 75 | struct pci_dev { |
| 76 | u16 domain; |
| 77 | u8 bus, dev, func; |
| 78 | u16 vendor_id, device_id; |
Felix Singer | 4c9622a | 2020-10-13 18:00:24 +0200 | [diff] [blame] | 79 | u16 device_class; |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 80 | struct pci_dev *next; |
| 81 | }; |
| 82 | |
| 83 | /* |
| 84 | * values to match devices against. |
| 85 | * "-1" means "don't care", everything else requires an exact match |
| 86 | */ |
| 87 | struct pci_filter { |
| 88 | int domain, bus, dev, func; |
| 89 | int vendor, device; |
| 90 | struct pci_dev *devices; |
| 91 | }; |
| 92 | |
Nico Huber | 4792689 | 2017-07-26 14:34:09 +0200 | [diff] [blame] | 93 | enum pci_access_type { /* dummy for code compatibility */ |
| 94 | PCI_ACCESS_AUTO, |
| 95 | PCI_ACCESS_I386_TYPE1, |
| 96 | PCI_ACCESS_MAX |
| 97 | }; |
| 98 | |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 99 | struct pci_access { |
Nico Huber | 4792689 | 2017-07-26 14:34:09 +0200 | [diff] [blame] | 100 | unsigned int method; /* dummy for code compatibility */ |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 101 | struct pci_dev *devices; |
| 102 | }; |
| 103 | |
| 104 | u8 pci_read_byte(struct pci_dev *dev, int pos); |
| 105 | u16 pci_read_word(struct pci_dev *dev, int pos); |
| 106 | u32 pci_read_long(struct pci_dev *dev, int pos); |
| 107 | |
| 108 | int pci_write_byte(struct pci_dev *dev, int pos, u8 data); |
| 109 | int pci_write_word(struct pci_dev *dev, int pos, u16 data); |
| 110 | int pci_write_long(struct pci_dev *dev, int pos, u32 data); |
| 111 | |
| 112 | struct pci_access *pci_alloc(void); |
| 113 | void pci_init(struct pci_access*); |
| 114 | void pci_cleanup(struct pci_access*); |
| 115 | char *pci_filter_parse_slot(struct pci_filter*, const char*); |
| 116 | int pci_filter_match(struct pci_filter*, struct pci_dev*); |
| 117 | void pci_filter_init(struct pci_access*, struct pci_filter*); |
| 118 | void pci_scan_bus(struct pci_access*); |
| 119 | struct pci_dev *pci_get_dev(struct pci_access*, u16, u8, u8, u8); |
Nico Huber | 4792689 | 2017-07-26 14:34:09 +0200 | [diff] [blame] | 120 | void pci_free_dev(struct pci_dev *); |
Stefan Reinauer | e11835e | 2011-10-31 12:54:00 -0700 | [diff] [blame] | 121 | |
| 122 | #endif |