com32/modules/pcitest.c

   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
  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
  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 }