Viewing file:  names.c (3.01 KB) -rw-r--r--
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/*
* 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[] __initdata = name;
#define ENDVENDOR()
#define DEVICE( vendor, device, name ) static char __devicestr_##vendor##device[] __initdata = name;
#include "devlist.h"
#define VENDOR( vendor, name ) static struct pci_device_info __devices_##vendor[] __initdata = {
#define ENDVENDOR() };
#define DEVICE( vendor, device, name ) { 0x##device, 0, __devicestr_##vendor##device },
#include "devlist.h"
static struct pci_vendor_info __initdata 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->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 (%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 __init pci_name_device(struct pci_dev *dev)
{
}
char *
pci_class_name(u32 class)
{
return NULL;
}
#endif /* CONFIG_PCI_NAMES */
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