diff options
Diffstat (limited to 'contrib/syslinux-4.02/com32/modules/pcitest.c')
| -rw-r--r-- | contrib/syslinux-4.02/com32/modules/pcitest.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/com32/modules/pcitest.c b/contrib/syslinux-4.02/com32/modules/pcitest.c new file mode 100644 index 0000000..672023a --- /dev/null +++ b/contrib/syslinux-4.02/com32/modules/pcitest.c @@ -0,0 +1,158 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2006 Erwan Velu - All Rights Reserved + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall + * be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ----------------------------------------------------------------------- +*/ + +/* + * pcitest.c + * + */ + +#include <inttypes.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <console.h> +#include <com32.h> +#include <sys/pci.h> +#include <stdbool.h> + +#ifdef DEBUG +# define dprintf printf +#else +# define dprintf(...) ((void)0) +#endif + +char display_line = 0; +#define moreprintf(...) \ + do { \ + display_line++; \ + if (display_line == 24) { \ + char tempbuf[10]; \ + display_line=0; \ + printf("Press Enter to continue\n"); \ + fgets(tempbuf, sizeof tempbuf, stdin); \ + } \ + printf ( __VA_ARGS__); \ + } while (0); + +void display_pci_devices(struct pci_domain *pci_domain) +{ + struct pci_device *pci_device; + char kernel_modules[LINUX_KERNEL_MODULE_SIZE * + MAX_KERNEL_MODULES_PER_PCI_DEVICE]; + + for_each_pci_func(pci_device, pci_domain) { + + memset(kernel_modules, 0, sizeof kernel_modules); + +/* printf("PCI: found %d kernel modules for %04x:%04x[%04x:%04x]\n", + pci_device->dev_info->linux_kernel_module_count, + pci_device->vendor, pci_device->product, + pci_device->sub_vendor, pci_device->sub_product); +*/ + for (int i = 0; i < pci_device->dev_info->linux_kernel_module_count; + i++) { + if (i > 0) { + strncat(kernel_modules, " | ", 3); + } + strncat(kernel_modules, + pci_device->dev_info->linux_kernel_module[i], + LINUX_KERNEL_MODULE_SIZE - 1); + } + + moreprintf("%04x:%04x[%04x:%04x]: %s\n", + pci_device->vendor, pci_device->product, + pci_device->sub_vendor, pci_device->sub_product, + pci_device->dev_info->class_name); + + moreprintf(" Vendor Name : %s\n", + pci_device->dev_info->vendor_name); + moreprintf(" Product Name : %s\n", + pci_device->dev_info->product_name); + moreprintf(" PCI bus position : %02x:%02x.%01x\n", __pci_bus, + __pci_slot, __pci_func); + moreprintf(" Kernel modules : %s\n\n", kernel_modules); + } +} + +int main(int argc, char *argv[]) +{ + struct pci_domain *pci_domain; + int return_code = 0; + int nb_pci_devices = 0; + + (void)argc; + (void)argv; + + openconsole(&dev_stdcon_r, &dev_stdcon_w); + + /* Scanning to detect pci buses and devices */ + printf("PCI: Scanning PCI BUS\n"); + pci_domain = pci_scan(); + if (!pci_domain) { + printf("PCI: no devices found!\n"); + return 1; + } + + struct pci_device *pci_device; + for_each_pci_func(pci_device, pci_domain) { + nb_pci_devices++; + } + + printf("PCI: %d PCI devices found\n", nb_pci_devices); + + printf("PCI: Looking for device name\n"); + /* Assigning product & vendor name for each device */ + return_code = get_name_from_pci_ids(pci_domain, "pci.ids"); + if (return_code == -ENOPCIIDS) { + printf("PCI: ERROR !\n"); + printf("PCI: Unable to open pci.ids file in current directory.\n"); + printf("PCI: PCI Device names can't be computed.\n"); + } + + printf("PCI: Resolving class names\n"); + /* Assigning class name for each device */ + return_code = get_class_name_from_pci_ids(pci_domain, "pci.ids"); + if (return_code == -ENOPCIIDS) { + printf("PCI: ERROR !\n"); + printf("PCI: Unable to open pci.ids file in current directory.\n"); + printf("PCI: PCI class names can't be computed.\n"); + } + + printf("PCI: Looking for Kernel modules\n"); + /* Detecting which kernel module should match each device */ + return_code = get_module_name_from_pcimap(pci_domain, "modules.pcimap"); + if (return_code == -ENOMODULESPCIMAP) { + printf("PCI: ERROR !\n"); + printf("PCI: Unable to open modules.pcimap file in current directory.\n"); + printf("PCI: Kernel Module names can't be computed.\n"); + } + + /* display the pci devices we found */ + display_pci_devices(pci_domain); + return 0; +} |