0,0 → 1,88 |
/* |
* HelenOS PCI driver. |
* |
* (Based on public domain libpci example.c written by Martin Mares.) |
* Copyright (c) 2006 Jakub Jermar |
* |
* Can be freely distributed and used under the terms of the GNU GPL. |
*/ |
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/** |
* @addtogroup pci |
* @{ |
*/ |
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#include <stdio.h> |
#include <ddi.h> |
#include <task.h> |
#include <stdlib.h> |
#include <ipc/ipc.h> |
#include <ipc/services.h> |
#include <errno.h> |
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#include "libpci/pci.h" |
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#define PCI_CONF1 0xcf8 |
#define PCI_CONF1_SIZE 8 |
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#define NAME "PCI" |
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static struct pci_access *pacc; |
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int main(int argc, char *argv[]) |
{ |
struct pci_dev *dev; |
unsigned int c; |
char buf[80]; |
ipcarg_t ns_in_phone_hash; |
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printf("%s: HelenOS PCI driver\n", NAME); |
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/* |
* Gain control over PCI configuration ports. |
*/ |
iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE); |
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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)); |
} |
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printf("%s: registering at naming service.\n", NAME); |
if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) { |
printf("Failed to register %s at naming service.\n", NAME); |
return -1; |
} |
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printf("%s: accepting connections\n", NAME); |
while (1) { |
ipc_call_t call; |
ipc_callid_t callid; |
ipcarg_t retval = ENOTSUP; |
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callid = ipc_wait_for_call(&call); |
switch(IPC_GET_METHOD(call)) { |
case IPC_M_CONNECT_ME_TO: |
retval = EOK; |
break; |
} |
ipc_answer_0(callid, retval); |
printf("%s: received call from %lX\n", NAME, |
call.in_phone_hash); |
} |
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pci_cleanup(pacc); |
return 0; |
} |
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/** |
* @} |
*/ |