1 /* ----------------------------------------------------------------------- *
2 *
3 * Copyright 2006 Erwan Velu - All Rights Reserved
4 *
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use,
9 * copy, modify, merge, publish, distribute, sublicense, and/or
10 * sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following
12 * conditions:
13 *
14 * The above copyright notice and this permission notice shall
15 * be included in all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24 * OTHER DEALINGS IN THE SOFTWARE.
25 *
26 * -----------------------------------------------------------------------
27 */
28
29 /*
30 * pcitest.c
31 *
32 */
33
34 #include <inttypes.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <console.h>
39 #include <com32.h>
40 #include <sys/pci.h>
41 #include <stdbool.h>
42 #include <dprintf.h>
43
44 char display_line = 0;
45 #define moreprintf(...) \
46 do { \
47 display_line++; \
48 if (display_line == 24) { \
49 char tempbuf[10]; \
50 display_line=0; \
51 printf("Press Enter to continue\n"); \
52 fgets(tempbuf, sizeof tempbuf, stdin); \
53 } \
54 printf ( __VA_ARGS__); \
55 } while (0);
56
display_pci_devices(struct pci_domain * pci_domain)57 void display_pci_devices(struct pci_domain *pci_domain)
58 {
59 struct pci_device *pci_device;
60 char kernel_modules[LINUX_KERNEL_MODULE_SIZE *
61 MAX_KERNEL_MODULES_PER_PCI_DEVICE];
62
63 for_each_pci_func(pci_device, pci_domain) {
64
65 memset(kernel_modules, 0, sizeof kernel_modules);
66
67 /* printf("PCI: found %d kernel modules for %04x:%04x[%04x:%04x]\n",
68 pci_device->dev_info->linux_kernel_module_count,
69 pci_device->vendor, pci_device->product,
70 pci_device->sub_vendor, pci_device->sub_product);
71 */
72 for (int i = 0; i < pci_device->dev_info->linux_kernel_module_count;
73 i++) {
74 if (i > 0) {
75 strncat(kernel_modules, " | ", 3);
76 }
77 strncat(kernel_modules,
78 pci_device->dev_info->linux_kernel_module[i],
79 LINUX_KERNEL_MODULE_SIZE - 1);
80 }
81
82 moreprintf("%04x:%04x[%04x:%04x]: %s\n",
83 pci_device->vendor, pci_device->product,
84 pci_device->sub_vendor, pci_device->sub_product,
85 pci_device->dev_info->class_name);
86
87 moreprintf(" Vendor Name : %s\n",
88 pci_device->dev_info->vendor_name);
89 moreprintf(" Product Name : %s\n",
90 pci_device->dev_info->product_name);
91 moreprintf(" PCI bus position : %02x:%02x.%01x\n", __pci_bus,
92 __pci_slot, __pci_func);
93 moreprintf(" Kernel modules : %s\n\n", kernel_modules);
94 }
95 }
96
main(int argc,char * argv[])97 int main(int argc, char *argv[])
98 {
99 struct pci_domain *pci_domain;
100 int return_code = 0;
101 int nb_pci_devices = 0;
102
103 (void)argc;
104 (void)argv;
105
106 /* Scanning to detect pci buses and devices */
107 printf("PCI: Scanning PCI BUS\n");
108 pci_domain = pci_scan();
109 if (!pci_domain) {
110 printf("PCI: no devices found!\n");
111 return 1;
112 }
113
114 struct pci_device *pci_device;
115 for_each_pci_func(pci_device, pci_domain) {
116 nb_pci_devices++;
117 }
118
119 printf("PCI: %d PCI devices found\n", nb_pci_devices);
120
121 printf("PCI: Looking for device name\n");
122 /* Assigning product & vendor name for each device */
123 return_code = get_name_from_pci_ids(pci_domain, "pci.ids");
124 if (return_code == -ENOPCIIDS) {
125 printf("PCI: ERROR !\n");
126 printf("PCI: Unable to open pci.ids file in current directory.\n");
127 printf("PCI: PCI Device names can't be computed.\n");
128 }
129
130 printf("PCI: Resolving class names\n");
131 /* Assigning class name for each device */
132 return_code = get_class_name_from_pci_ids(pci_domain, "pci.ids");
133 if (return_code == -ENOPCIIDS) {
134 printf("PCI: ERROR !\n");
135 printf("PCI: Unable to open pci.ids file in current directory.\n");
136 printf("PCI: PCI class names can't be computed.\n");
137 }
138
139 printf("PCI: Looking for Kernel modules\n");
140 /* Detecting which kernel module should match each device */
141 return_code = get_module_name_from_pcimap(pci_domain, "modules.pcimap");
142 if (return_code == -ENOMODULESPCIMAP) {
143 printf("PCI: ERROR !\n");
144 printf("PCI: Unable to open modules.pcimap file in current directory.\n");
145 printf("PCI: Kernel Module names can't be computed.\n");
146 }
147
148 /* display the pci devices we found */
149 display_pci_devices(pci_domain);
150 return 0;
151 }
152