/* * PCI Class and Device Name Tables * * Copyright 1993--1999 Drew Eckhardt, Frederic Potter, * David Mosberger-Tang, Martin Mares */ #include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/pci.h> #include <linux/init.h> #ifdef CONFIG_PCI_NAMES struct pci_device_info { unsigned short device; unsigned short seen; const char *name; }; struct pci_vendor_info { unsigned short vendor; unsigned short nr; const char *name; struct pci_device_info *devices; }; /* * This is ridiculous, but we want the strings in * the .init section so that they don't take up * real memory.. Parse the same file multiple times * to get all the info. */ #define VENDOR( vendor, name ) static char __vendorstr_##vendor[] __devinitdata = name; #define ENDVENDOR() #define DEVICE( vendor, device, name ) static char __devicestr_##vendor##device[] __devinitdata = name; #include "devlist.h" #define VENDOR( vendor, name ) static struct pci_device_info __devices_##vendor[] __devinitdata = { #define ENDVENDOR() }; #define DEVICE( vendor, device, name ) { 0x##device, 0, __devicestr_##vendor##device }, #include "devlist.h" static struct pci_vendor_info __devinitdata pci_vendor_list[] = { #define VENDOR( vendor, name ) { 0x##vendor, sizeof(__devices_##vendor) / sizeof(struct pci_device_info), __vendorstr_##vendor, __devices_##vendor }, #define ENDVENDOR() #define DEVICE( vendor, device, name ) #include "devlist.h" }; #define VENDORS (sizeof(pci_vendor_list)/sizeof(struct pci_vendor_info)) void __devinit pci_name_device(struct pci_dev *dev) { const struct pci_vendor_info *vendor_p = pci_vendor_list; int i = VENDORS; char *name = dev->pretty_name; do { if (vendor_p->vendor == dev->vendor) goto match_vendor; vendor_p++; } while (--i); /* Couldn't find either the vendor nor the device */ sprintf(name, "PCI device %04x:%04x", dev->vendor, dev->device); return; match_vendor: { struct pci_device_info *device_p = vendor_p->devices; int i = vendor_p->nr; while (i > 0) { if (device_p->device == dev->device) goto match_device; device_p++; i--; } /* Ok, found the vendor, but unknown device */ sprintf(name, "PCI device %04x:%04x (%." PCI_NAME_HALF "s)", dev->vendor, dev->device, vendor_p->name); return; /* Full match */ match_device: { char *n = name + sprintf(name, "%s %s", vendor_p->name, device_p->name); int nr = device_p->seen + 1; device_p->seen = nr; if (nr > 1) sprintf(n, " (#%d)", nr); } } } /* * Class names. Not in .init section as they are needed in runtime. */ static u16 pci_class_numbers[] = { #define CLASS(x,y) 0x##x, #include "classlist.h" }; static char *pci_class_names[] = { #define CLASS(x,y) y, #include "classlist.h" }; char * pci_class_name(u32 class) { int i; for(i=0; i<sizeof(pci_class_numbers)/sizeof(pci_class_numbers[0]); i++) if (pci_class_numbers[i] == class) return pci_class_names[i]; return NULL; } #else void __devinit pci_name_device(struct pci_dev *dev) { } char * pci_class_name(u32 class) { return NULL; } #endif /* CONFIG_PCI_NAMES */