/*
* HelenOS PCI driver.
*
* Copyright (C) 1997-2003 Martin Mares
* Copyright (C) 2006 Jakub Jermar
*
* (Based on libpci example.c written by Martin Mares.)
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <stdio.h>
#include <ddi.h>
#include <task.h>
#include <stdlib.h>
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <errno.h>
#include "libpci/pci.h"
#define PCI_CONF1 0xcf8
#define PCI_CONF1_SIZE 8
#define NAME "PCI"
static struct pci_access *pacc;
int main(int argc, char *argv[])
{
struct pci_dev *dev;
unsigned int c;
char buf[80];
ipcarg_t ns_in_phone_hash;
printf("%s: HelenOS PCI driver\n", NAME
);
/*
* Gain control over PCI configuration ports.
*/
iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
pacc = pci_alloc(); /* Get the pci_access structure */
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */
pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ);
c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n", dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
c, dev->irq, dev->base_addr[0]);
printf("\t%s\n", pci_lookup_name
(pacc
, buf
, sizeof(buf
), PCI_LOOKUP_VENDOR
| PCI_LOOKUP_DEVICE
, dev->vendor_id, dev->device_id));
}
printf("%s: registering at naming service.\n", NAME
); if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, &ns_in_phone_hash) != 0) {
printf("Failed to register %s at naming service.\n", NAME
); return -1;
}
printf("%s: accepting connections\n", NAME
); while (1) {
ipc_call_t call;
ipc_callid_t callid;
int retval;
callid = ipc_wait_for_call(&call);
switch(IPC_GET_METHOD(call)) {
case IPC_M_CONNECT_ME_TO:
IPC_SET_RETVAL(call, 0);
break;
}
if (! (callid & IPC_CALLID_NOTIFICATION)) {
ipc_answer(callid, &call);
}
printf("%s: received call from %lX\n", NAME
, call.
in_phone_hash); }
pci_cleanup(pacc);
return 0;
}