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
  43 #ifdef DEBUG
  44 # define dprintf printf
  45 #else
  46 # define dprintf(...) ((void)0)
  47 #endif
  48
  49 char display_line = 0;
  50 #define moreprintf(...)                         \
  51   do {                                          \
  52     display_line++;                             \
  53     if (display_line == 24) {                   \
  54       char tempbuf[10];                         \
  55       display_line=0;                           \
  56       printf("Press Enter to continue\n");      \
  57       fgets(tempbuf, sizeof tempbuf, stdin);    \
  58     }                                           \
  59     printf ( __VA_ARGS__);                      \
  60   } while (0);
  61
  62 void display_pci_devices(struct pci_domain *pci_domain)
  63 {
  64     struct pci_device *pci_device;
  65     char kernel_modules[LINUX_KERNEL_MODULE_SIZE *
  66                         MAX_KERNEL_MODULES_PER_PCI_DEVICE];
  67
  68     for_each_pci_func(pci_device, pci_domain) {
  69
  70         memset(kernel_modules, 0, sizeof kernel_modules);
  71
  72 /*      printf("PCI: found %d kernel modules for  %04x:%04x[%04x:%04x]\n",
  73                   pci_device->dev_info->linux_kernel_module_count,
  74                   pci_device->vendor, pci_device->product,
  75                   pci_device->sub_vendor, pci_device->sub_product);
  76 */
  77         for (int i = 0; i < pci_device->dev_info->linux_kernel_module_count;
  78              i++) {
  79             if (i > 0) {
  80                 strncat(kernel_modules, " | ", 3);
  81             }
  82             strncat(kernel_modules,
  83                     pci_device->dev_info->linux_kernel_module[i],
  84                     LINUX_KERNEL_MODULE_SIZE - 1);
  85         }
  86
  87         moreprintf("%04x:%04x[%04x:%04x]: %s\n",
  88                    pci_device->vendor, pci_device->product,
  89                    pci_device->sub_vendor, pci_device->sub_product,
  90                    pci_device->dev_info->class_name);
  91
  92         moreprintf(" Vendor Name      : %s\n",
  93                    pci_device->dev_info->vendor_name);
  94         moreprintf(" Product Name     : %s\n",
  95                    pci_device->dev_info->product_name);
  96         moreprintf(" PCI bus position : %02x:%02x.%01x\n", __pci_bus,
  97                    __pci_slot, __pci_func);
  98         moreprintf(" Kernel modules   : %s\n\n", kernel_modules);
  99     }
 100 }
 101
 102 int main(int argc, char *argv[])
 103 {
 104     struct pci_domain *pci_domain;
 105     int return_code = 0;
 106     int nb_pci_devices = 0;
 107
 108     (void)argc;
 109     (void)argv;
 110
 111     openconsole(&dev_stdcon_r, &dev_stdcon_w);
 112
 113     /* Scanning to detect pci buses and devices */
 114     printf("PCI: Scanning PCI BUS\n");
 115     pci_domain = pci_scan();
 116     if (!pci_domain) {
 117         printf("PCI: no devices found!\n");
 118         return 1;
 119     }
 120
 121     struct pci_device *pci_device;
 122     for_each_pci_func(pci_device, pci_domain) {
 123         nb_pci_devices++;
 124     }
 125
 126     printf("PCI: %d PCI devices found\n", nb_pci_devices);
 127
 128     printf("PCI: Looking for device name\n");
 129     /* Assigning product & vendor name for each device */
 130     return_code = get_name_from_pci_ids(pci_domain, "pci.ids");
 131     if (return_code == -ENOPCIIDS) {
 132         printf("PCI: ERROR !\n");
 133         printf("PCI: Unable to open pci.ids file in current directory.\n");
 134         printf("PCI: PCI Device names can't be computed.\n");
 135     }
 136
 137     printf("PCI: Resolving class names\n");
 138     /* Assigning class name for each device */
 139     return_code = get_class_name_from_pci_ids(pci_domain, "pci.ids");
 140     if (return_code == -ENOPCIIDS) {
 141         printf("PCI: ERROR !\n");
 142         printf("PCI: Unable to open pci.ids file in current directory.\n");
 143         printf("PCI: PCI class names can't be computed.\n");
 144     }
 145
 146     printf("PCI: Looking for Kernel modules\n");
 147     /* Detecting which kernel module should match each device */
 148     return_code = get_module_name_from_pcimap(pci_domain, "modules.pcimap");
 149     if (return_code == -ENOMODULESPCIMAP) {
 150         printf("PCI: ERROR !\n");
 151         printf("PCI: Unable to open modules.pcimap file in current directory.\n");
 152         printf("PCI: Kernel Module names can't be computed.\n");
 153     }
 154
 155     /* display the pci devices we found */
 156     display_pci_devices(pci_domain);
 157     return 0;
 158 }