[netwatch.git] / pci / pci-bother.c

#include <pci.h>
#include <pci-bother.h>

struct pci_bother {
	int bus, dev, fn;
	unsigned short origstate;
};

static struct pci_bother bothers[MAX_BOTHERS];
static int nbothers = 0;

int pci_bother_add(pci_dev_t *dev)
{
	if (nbothers == MAX_BOTHERS)
		return -1;
	
	bothers[nbothers].bus = dev->bus;
	bothers[nbothers].dev = dev->dev;
	bothers[nbothers].fn = dev->fn;
	
	bothers[nbothers].origstate = pci_read16(dev->bus, dev->dev, dev->fn, 0x04);
	
	nbothers++;
	
	return 0;
}

void pci_bother_all()
{
	int i;
	
	for (i = 0; i < nbothers; i++)
		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, 0x0);
}

void pci_unbother_all()
{
	int i;
	
	for (i = 0; i < nbothers; i++)
		pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, bothers[i].origstate);
}
Commit	Line	Data
ec2d6189	1	#include <pci.h>
d6f56afa	2	#include <pci-bother.h>
ec2d6189 JW	3
	4	struct pci_bother {
	5	int bus, dev, fn;
	6	unsigned short origstate;
	7	};
	8
	9	static struct pci_bother bothers[MAX_BOTHERS];
	10	static int nbothers = 0;
	11
	12	int pci_bother_add(pci_dev_t *dev)
	13	{
	14	if (nbothers == MAX_BOTHERS)
	15	return -1;
	16
	17	bothers[nbothers].bus = dev->bus;
	18	bothers[nbothers].dev = dev->dev;
	19	bothers[nbothers].fn = dev->fn;
	20
	21	bothers[nbothers].origstate = pci_read16(dev->bus, dev->dev, dev->fn, 0x04);
	22
	23	nbothers++;
	24
	25	return 0;
	26	}
	27
	28	void pci_bother_all()
	29	{
	30	int i;
	31
	32	for (i = 0; i < nbothers; i++)
d6f56afa	33	pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, 0x0);
ec2d6189 JW	34	}
	35
	36	void pci_unbother_all()
	37	{
	38	int i;
	39
	40	for (i = 0; i < nbothers; i++)
d6f56afa	41	pci_write16(bothers[i].bus, bothers[i].dev, bothers[i].fn, 0x04, bothers[i].origstate);
ec2d6189	42	}