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simplify previous.

This commit is contained in:
christos 2009-07-07 17:08:19 +00:00
parent 2d065ae111
commit e09097a0e7
1 changed files with 18 additions and 26 deletions
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44
sys/dev/pci/pci_usrreq.c
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@ -1,4 +1,4 @@
/* $NetBSD: pci_usrreq.c,v 1.18 2009/07/04 21:20:56 cegger Exp $ */
/* $NetBSD: pci_usrreq.c,v 1.19 2009/07/07 17:08:19 christos Exp $ */
/*
* Copyright 2001 Wasabi Systems, Inc.
@ -40,7 +40,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pci_usrreq.c,v 1.18 2009/07/04 21:20:56 cegger Exp $");
__KERNEL_RCSID(0, "$NetBSD: pci_usrreq.c,v 1.19 2009/07/07 17:08:19 christos Exp $");
#include <sys/param.h>
#include <sys/conf.h>
@ -70,49 +70,41 @@ pciopen(dev_t dev, int flags, int mode, struct lwp *l)
static int
pciioctl(dev_t dev, u_long cmd, void *data, int flag, struct lwp *l)
{
struct pci_softc *sc =
device_lookup_private(&pci_cd, minor(dev));
struct pciio_bdf_cfgreg *bdfr = (void *) data;
struct pciio_businfo *binfo = (void *) data;
struct pci_softc *sc = device_lookup_private(&pci_cd, minor(dev));
struct pciio_bdf_cfgreg *bdfr;
struct pciio_businfo *binfo;
pcitag_t tag;
switch (cmd) {
case PCI_IOC_BDF_CFGREAD:
case PCI_IOC_BDF_CFGWRITE:
bdfr = data;
if (bdfr->bus > 255 || bdfr->device >= sc->sc_maxndevs ||
bdfr->function > 7)
return EINVAL;
tag = pci_make_tag(sc->sc_pc, bdfr->bus, bdfr->device,
bdfr->function);
break;
default:
break;
}
switch (cmd) {
case PCI_IOC_BDF_CFGREAD:
bdfr->cfgreg.val = pci_conf_read(sc->sc_pc, tag,
bdfr->cfgreg.reg);
break;
case PCI_IOC_BDF_CFGWRITE:
if ((flag & FWRITE) == 0)
return EBADF;
pci_conf_write(sc->sc_pc, tag, bdfr->cfgreg.reg,
bdfr->cfgreg.val);
break;
if (cmd == PCI_IOC_BDF_CFGREAD) {
bdfr->cfgreg.val = pci_conf_read(sc->sc_pc, tag,
bdfr->cfgreg.reg);
} else {
if ((flag & FWRITE) == 0)
return EBADF;
pci_conf_write(sc->sc_pc, tag, bdfr->cfgreg.reg,
bdfr->cfgreg.val);
}
return 0;
case PCI_IOC_BUSINFO:
binfo = data;
binfo->busno = sc->sc_bus;
binfo->maxdevs = sc->sc_maxndevs;
break;
return 0;
default:
return ENOTTY;
}
return 0;
}
static paddr_t