WebSVN – HelenOS – Diff – /branches/dd/uspace/srv/pci/pci.c


/*
 * 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.
 */
 
/**
 * @addtogroup pci
 * @{
 */
 
#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 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);
   
    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, 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;
        ipcarg_t retval = ENOTSUP;
 
        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);
    }
 
    pci_cleanup(pacc);
    return 0;
}
 
/**
 * @}
 */
 

Rev 4221	Rev 4295
1	/*	1	/*
2	* HelenOS PCI driver.	2	* HelenOS PCI driver.
3	*	3	*
4	* (Based on public domain libpci example.c written by Martin Mares.)	4	* (Based on public domain libpci example.c written by Martin Mares.)
5	* Copyright (c) 2006 Jakub Jermar	5	* Copyright (c) 2006 Jakub Jermar
6	*	6	*
7	* Can be freely distributed and used under the terms of the GNU GPL.	7	* Can be freely distributed and used under the terms of the GNU GPL.
8	*/	8	*/
9		9
10	/**	10	/**
11	* @addtogroup pci	11	* @addtogroup pci
12	* @{	12	* @{
13	*/	13	*/
14		14
15	#include <stdio.h>	15	#include <stdio.h>
16	#include <ddi.h>	16	#include <ddi.h>
17	#include <task.h>	17	#include <task.h>
18	#include <stdlib.h>	18	#include <stdlib.h>
19	#include <ipc/ipc.h>	19	#include <ipc/ipc.h>
20	#include <ipc/services.h>	20	#include <ipc/services.h>
21	#include <errno.h>	21	#include <errno.h>
22		22
23	#include "libpci/pci.h"	23	#include "libpci/pci.h"
24		24
25	#define NAME "PCI"	25	#define NAME "PCI"
26		26
27	static struct pci_access *pacc;	27	static struct pci_access *pacc;
28		28
29	int main(int argc, char *argv[])	29	int main(int argc, char *argv[])
30	{	30	{
31	struct pci_dev *dev;	31	struct pci_dev *dev;
32	unsigned int c;	32	unsigned int c;
33	char buf[80];	33	char buf[80];
34	ipcarg_t ns_in_phone_hash;	34	ipcarg_t ns_in_phone_hash;
35		35
36	printf("%s: HelenOS PCI driver\n", NAME);	36	printf("%s: HelenOS PCI driver\n", NAME);
37		37
38	pacc = pci_alloc(); /* Get the pci_access structure */	38	pacc = pci_alloc(); /* Get the pci_access structure */
39	pci_init(pacc); /* Initialize the PCI library */	39	pci_init(pacc); /* Initialize the PCI library */
40	pci_scan_bus(pacc); /* We want to get the list of devices */	40	pci_scan_bus(pacc); /* We want to get the list of devices */
41	for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */	41	for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */
42	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES \| PCI_FILL_IRQ);	42	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES \| PCI_FILL_IRQ);
43	c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */	43	c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
44	printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",	44	printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",
45	dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,	45	dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
46	c, dev->irq, dev->base_addr[0]);	46	c, dev->irq, dev->base_addr[0]);
47	printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR \| PCI_LOOKUP_DEVICE,	47	printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR \| PCI_LOOKUP_DEVICE,
48	dev->vendor_id, dev->device_id));	48	dev->vendor_id, dev->device_id));
49	}	49	}
50		50
51	printf("%s: registering at naming service.\n", NAME);	51	printf("%s: registering at naming service.\n", NAME);
52	if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) {	52	if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) {
53	printf("Failed to register %s at naming service.\n", NAME);	53	printf("Failed to register %s at naming service.\n", NAME);
54	return -1;	54	return -1;
55	}	55	}
56		56
57	printf("%s: accepting connections\n", NAME);	57	printf("%s: accepting connections\n", NAME);
58	while (1) {	58	while (1) {
59	ipc_call_t call;	59	ipc_call_t call;
60	ipc_callid_t callid;	60	ipc_callid_t callid;
61	ipcarg_t retval = ENOTSUP;	61	ipcarg_t retval = ENOTSUP;
62		62
63	callid = ipc_wait_for_call(&call);	63	callid = ipc_wait_for_call(&call);
64	switch(IPC_GET_METHOD(call)) {	64	switch(IPC_GET_METHOD(call)) {
65	case IPC_M_CONNECT_ME_TO:	65	case IPC_M_CONNECT_ME_TO:
66	retval = EOK;	66	retval = EOK;
67	break;	67	break;
68	}	68	}
69	ipc_answer_0(callid, retval);	69	ipc_answer_0(callid, retval);
70	printf("%s: received call from %lX\n", NAME,	70	printf("%s: received call from %lX\n", NAME,
71	call.in_phone_hash);	71	call.in_phone_hash);
72	}	72	}
73		73
74	pci_cleanup(pacc);	74	pci_cleanup(pacc);
75	return 0;	75	return 0;
76	}	76	}
77		77
78	/**	78	/**
79	* @}	79	* @}
80	*/	80	*/
81		81

Subversion Repositories HelenOS

(root)/branches/dd/uspace/srv/pci/pci.c – Rev 4221 → 4295