Encapsulate the old PCI compatability support and APIs completely under
"options COMPAT_OLDPCI". This option already existed, but now also tidies up the declarations in #include <pci/pci*.h>. It is amazing how much stuff was using the old pre-FreeBSD 3.x names and going silently undetected.
This commit is contained in:
Peter Wemm
parent
0a8e3ce8a5
commit
30d1c11e3a
@ -842,7 +842,8 @@ pci/ncr.c optional ncr
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pci/ohci_pci.c optional ohci
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pci/pccbb.c optional pccbb cardbus
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pci/pci.c optional pci
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pci/pci_compat.c optional pci
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pci/pci_compat.c optional pci compat_oldpci \
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warning "Old PCI driver compatability shims present."
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pci/pcic_p.c optional pcic pci
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pci/pcisupport.c optional pci
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pci/pci_if.m optional pci
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@ -52,9 +52,9 @@
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#include <machine/resource.h>
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#include <machine/md_var.h> /* For the Alpha */
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#include <sys/pciio.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <sys/pciio.h>
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#ifdef __alpha__
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#include <machine/rpb.h>
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@ -86,13 +86,6 @@ struct pci_quirk pci_quirks[] = {
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#define PCI_MAPMEMP 0x02 /* prefetchable memory map */
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#define PCI_MAPPORT 0x04 /* port map */
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struct pci_devinfo {
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STAILQ_ENTRY(pci_devinfo) pci_links;
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struct resource_list resources;
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pcicfgregs cfg;
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struct pci_conf conf;
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};
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static STAILQ_HEAD(devlist, pci_devinfo) pci_devq;
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u_int32_t pci_numdevs = 0;
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static u_int32_t pci_generation = 0;
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@ -857,101 +850,6 @@ static struct cdevsw pcicdev = {
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#include "pci_if.h"
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static devclass_t pci_devclass;
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#ifdef COMPAT_OLDPCI
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/*
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* A simple driver to wrap the old pci driver mechanism for back-compat.
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*/
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static int
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pci_compat_probe(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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const char *name;
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int error;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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/*
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* Do the wrapped probe.
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*/
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error = ENXIO;
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if (dvp && dvp->pd_probe) {
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name = dvp->pd_probe(cfg, (cfg->device << 16) + cfg->vendor);
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if (name) {
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device_set_desc_copy(dev, name);
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/* Allow newbus drivers to match "better" */
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error = -200;
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}
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}
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return error;
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}
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static int
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pci_compat_attach(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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int unit;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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unit = device_get_unit(dev);
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if (unit > *dvp->pd_count)
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*dvp->pd_count = unit;
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if (dvp->pd_attach)
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dvp->pd_attach(cfg, unit);
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device_printf(dev, "driver is using old-style compatability shims\n");
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return 0;
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}
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static device_method_t pci_compat_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pci_compat_probe),
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DEVMETHOD(device_attach, pci_compat_attach),
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{ 0, 0 }
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};
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/*
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* Create a new style driver around each old pci driver.
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*/
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int
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compat_pci_handler(module_t mod, int type, void *data)
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{
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struct pci_device *dvp = (struct pci_device *)data;
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driver_t *driver;
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switch (type) {
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case MOD_LOAD:
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driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT);
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if (!driver)
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return ENOMEM;
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bzero(driver, sizeof(driver_t));
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driver->name = dvp->pd_name;
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driver->methods = pci_compat_methods;
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driver->size = sizeof(struct pci_devinfo *);
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driver->priv = dvp;
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devclass_add_driver(pci_devclass, driver);
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break;
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case MOD_UNLOAD:
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printf("%s: module unload not supported!\n", dvp->pd_name);
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return EOPNOTSUPP;
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default:
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break;
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}
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return 0;
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}
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#endif
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/*
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* New style pci driver. Parent device is either a pci-host-bridge or a
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@ -1504,5 +1402,5 @@ static driver_t pci_driver = {
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pci_methods,
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1, /* no softc */
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};
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static devclass_t pci_devclass;
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DRIVER_MODULE(pci, pcib, pci_driver, pci_devclass, pci_modevent, 0);
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@ -1,6 +1,3 @@
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#ifndef PCI_COMPAT
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#define PCI_COMPAT
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#endif
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/*
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* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
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* All rights reserved.
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@ -234,9 +231,13 @@
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#define PCID_INTEL_SATURN 0x0483
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#define PCID_INTEL_ORION 0x84c4
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/* for compatibility to FreeBSD-2.2 version of PCI code */
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/* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
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#ifdef PCI_COMPAT
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#if defined(_KERNEL) && !defined(KLD_MODULE)
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#include "opt_compat_oldpci.h"
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#endif
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#ifdef COMPAT_OLDPCI
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#define PCI_ID_REG 0x00
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#define PCI_COMMAND_STATUS_REG 0x04
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@ -257,4 +258,4 @@
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#define PCI_MAP_IO 0x00000001
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#define PCI_INTERRUPT_REG 0x3c
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#endif /* PCI_COMPAT */
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#endif /* COMPAT_OLDPCI */
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@ -30,10 +30,6 @@
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#ifndef _PCIVAR_H_
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#define _PCIVAR_H_
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#ifndef PCI_COMPAT
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#define PCI_COMPAT
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#endif
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#include <sys/queue.h>
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/* some PCI bus constants */
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@ -139,6 +135,15 @@ typedef struct {
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extern u_int32_t pci_numdevs;
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/* Only if the prerequisites are present */
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#if defined(_SYS_BUS_H_) && defined(_SYS_PCIIO_H_)
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struct pci_devinfo {
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STAILQ_ENTRY(pci_devinfo) pci_links;
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struct resource_list resources;
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pcicfgregs cfg;
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struct pci_conf conf;
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};
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#endif
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/* externally visible functions */
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@ -265,14 +270,14 @@ PCIB_ACCESSOR(hose, HOSE, u_int32_t)
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#endif
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/* for compatibility to FreeBSD-2.2 version of PCI code */
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#ifdef PCI_COMPAT
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/* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
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#if defined(_KERNEL) && !defined(KLD_MODULE)
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#include "opt_compat_oldpci.h"
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#endif
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#ifdef COMPAT_OLDPCI
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/* all this is going some day */
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typedef pcicfgregs *pcici_t;
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@ -283,7 +288,6 @@ typedef void pci_inthand_t(void *arg);
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/* just copied from old PCI code for now ... */
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#ifdef COMPAT_OLDPCI
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struct pci_device {
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char* pd_name;
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const char* (*pd_probe ) (pcici_t tag, pcidi_t type);
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@ -291,7 +295,6 @@ struct pci_device {
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u_long *pd_count;
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int (*pd_shutdown) (int, int);
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};
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#endif
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#ifdef __i386__
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typedef u_short pci_port_t;
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@ -312,7 +315,6 @@ int pci_unmap_int (pcici_t tag);
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pcici_t pci_get_parent_from_tag(pcici_t tag);
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int pci_get_bus_from_tag(pcici_t tag);
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#ifdef COMPAT_OLDPCI
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struct module;
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int compat_pci_handler (struct module *, int, void *);
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#define COMPAT_PCI_DRIVER(name, pcidata) \
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@ -322,8 +324,6 @@ static moduledata_t name##_mod = { \
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&pcidata \
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}; \
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DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY)
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#endif
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#endif /* COMPAT_OLDPCI */
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#endif /* PCI_COMPAT */
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#endif /* _PCIVAR_H_ */
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106
sys/pci/pci.c
106
sys/pci/pci.c
@ -52,9 +52,9 @@
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#include <machine/resource.h>
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#include <machine/md_var.h> /* For the Alpha */
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#include <sys/pciio.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <sys/pciio.h>
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#ifdef __alpha__
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#include <machine/rpb.h>
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@ -86,13 +86,6 @@ struct pci_quirk pci_quirks[] = {
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#define PCI_MAPMEMP 0x02 /* prefetchable memory map */
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#define PCI_MAPPORT 0x04 /* port map */
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struct pci_devinfo {
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STAILQ_ENTRY(pci_devinfo) pci_links;
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struct resource_list resources;
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pcicfgregs cfg;
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struct pci_conf conf;
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};
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static STAILQ_HEAD(devlist, pci_devinfo) pci_devq;
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u_int32_t pci_numdevs = 0;
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static u_int32_t pci_generation = 0;
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@ -857,101 +850,6 @@ static struct cdevsw pcicdev = {
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#include "pci_if.h"
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static devclass_t pci_devclass;
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#ifdef COMPAT_OLDPCI
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/*
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* A simple driver to wrap the old pci driver mechanism for back-compat.
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*/
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static int
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pci_compat_probe(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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const char *name;
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int error;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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/*
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* Do the wrapped probe.
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*/
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error = ENXIO;
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if (dvp && dvp->pd_probe) {
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name = dvp->pd_probe(cfg, (cfg->device << 16) + cfg->vendor);
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if (name) {
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device_set_desc_copy(dev, name);
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/* Allow newbus drivers to match "better" */
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error = -200;
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}
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}
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return error;
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}
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static int
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pci_compat_attach(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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int unit;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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unit = device_get_unit(dev);
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if (unit > *dvp->pd_count)
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*dvp->pd_count = unit;
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if (dvp->pd_attach)
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dvp->pd_attach(cfg, unit);
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device_printf(dev, "driver is using old-style compatability shims\n");
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return 0;
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}
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static device_method_t pci_compat_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pci_compat_probe),
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DEVMETHOD(device_attach, pci_compat_attach),
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{ 0, 0 }
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};
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/*
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* Create a new style driver around each old pci driver.
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*/
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int
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compat_pci_handler(module_t mod, int type, void *data)
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{
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struct pci_device *dvp = (struct pci_device *)data;
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driver_t *driver;
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switch (type) {
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case MOD_LOAD:
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driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT);
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if (!driver)
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return ENOMEM;
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bzero(driver, sizeof(driver_t));
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driver->name = dvp->pd_name;
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driver->methods = pci_compat_methods;
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driver->size = sizeof(struct pci_devinfo *);
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driver->priv = dvp;
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devclass_add_driver(pci_devclass, driver);
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break;
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case MOD_UNLOAD:
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printf("%s: module unload not supported!\n", dvp->pd_name);
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return EOPNOTSUPP;
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default:
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break;
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}
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return 0;
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}
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#endif
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/*
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* New style pci driver. Parent device is either a pci-host-bridge or a
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@ -1504,5 +1402,5 @@ static driver_t pci_driver = {
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pci_methods,
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1, /* no softc */
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};
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static devclass_t pci_devclass;
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DRIVER_MODULE(pci, pcib, pci_driver, pci_devclass, pci_modevent, 0);
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@ -29,10 +29,12 @@
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#include "opt_bus.h"
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/* for compatibility to FreeBSD-2.2 version of PCI code */
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/* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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@ -43,6 +45,7 @@
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#include <sys/rman.h>
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#include <machine/resource.h>
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#include <sys/pciio.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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@ -55,8 +58,6 @@
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#endif
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#ifdef PCI_COMPAT
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/* ------------------------------------------------------------------------- */
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u_long
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@ -235,4 +236,95 @@ pci_get_bus_from_tag(pcici_t tag)
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return tag->bus;
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}
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#endif /* PCI_COMPAT */
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/*
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* A simple driver to wrap the old pci driver mechanism for back-compat.
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*/
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static int
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pci_compat_probe(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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const char *name;
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int error;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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/*
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* Do the wrapped probe.
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*/
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error = ENXIO;
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if (dvp && dvp->pd_probe) {
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name = dvp->pd_probe(cfg, (cfg->device << 16) + cfg->vendor);
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if (name) {
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device_set_desc_copy(dev, name);
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/* Allow newbus drivers to match "better" */
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error = -200;
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}
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}
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return error;
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}
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static int
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pci_compat_attach(device_t dev)
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{
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struct pci_device *dvp;
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struct pci_devinfo *dinfo;
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pcicfgregs *cfg;
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int unit;
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dinfo = device_get_ivars(dev);
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cfg = &dinfo->cfg;
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dvp = device_get_driver(dev)->priv;
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unit = device_get_unit(dev);
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if (unit > *dvp->pd_count)
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*dvp->pd_count = unit;
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if (dvp->pd_attach)
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dvp->pd_attach(cfg, unit);
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device_printf(dev, "driver is using old-style compatability shims\n");
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return 0;
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}
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static device_method_t pci_compat_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pci_compat_probe),
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DEVMETHOD(device_attach, pci_compat_attach),
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{ 0, 0 }
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};
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/*
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* Create a new style driver around each old pci driver.
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*/
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int
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compat_pci_handler(module_t mod, int type, void *data)
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{
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struct pci_device *dvp = (struct pci_device *)data;
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driver_t *driver;
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devclass_t pci_devclass = devclass_find("pci");
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switch (type) {
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case MOD_LOAD:
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driver = malloc(sizeof(driver_t), M_DEVBUF, M_NOWAIT);
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if (!driver)
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return ENOMEM;
|
||||
bzero(driver, sizeof(driver_t));
|
||||
driver->name = dvp->pd_name;
|
||||
driver->methods = pci_compat_methods;
|
||||
driver->size = sizeof(struct pci_devinfo *);
|
||||
driver->priv = dvp;
|
||||
devclass_add_driver(pci_devclass, driver);
|
||||
break;
|
||||
case MOD_UNLOAD:
|
||||
printf("%s: module unload not supported!\n", dvp->pd_name);
|
||||
return EOPNOTSUPP;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1,6 +1,3 @@
|
||||
#ifndef PCI_COMPAT
|
||||
#define PCI_COMPAT
|
||||
#endif
|
||||
/*
|
||||
* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
|
||||
* All rights reserved.
|
||||
@ -234,9 +231,13 @@
|
||||
#define PCID_INTEL_SATURN 0x0483
|
||||
#define PCID_INTEL_ORION 0x84c4
|
||||
|
||||
/* for compatibility to FreeBSD-2.2 version of PCI code */
|
||||
/* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
|
||||
|
||||
#ifdef PCI_COMPAT
|
||||
#if defined(_KERNEL) && !defined(KLD_MODULE)
|
||||
#include "opt_compat_oldpci.h"
|
||||
#endif
|
||||
|
||||
#ifdef COMPAT_OLDPCI
|
||||
|
||||
#define PCI_ID_REG 0x00
|
||||
#define PCI_COMMAND_STATUS_REG 0x04
|
||||
@ -257,4 +258,4 @@
|
||||
#define PCI_MAP_IO 0x00000001
|
||||
#define PCI_INTERRUPT_REG 0x3c
|
||||
|
||||
#endif /* PCI_COMPAT */
|
||||
#endif /* COMPAT_OLDPCI */
|
||||
|
||||
@ -30,10 +30,6 @@
|
||||
#ifndef _PCIVAR_H_
|
||||
#define _PCIVAR_H_
|
||||
|
||||
#ifndef PCI_COMPAT
|
||||
#define PCI_COMPAT
|
||||
#endif
|
||||
|
||||
#include <sys/queue.h>
|
||||
|
||||
/* some PCI bus constants */
|
||||
@ -139,6 +135,15 @@ typedef struct {
|
||||
|
||||
extern u_int32_t pci_numdevs;
|
||||
|
||||
/* Only if the prerequisites are present */
|
||||
#if defined(_SYS_BUS_H_) && defined(_SYS_PCIIO_H_)
|
||||
struct pci_devinfo {
|
||||
STAILQ_ENTRY(pci_devinfo) pci_links;
|
||||
struct resource_list resources;
|
||||
pcicfgregs cfg;
|
||||
struct pci_conf conf;
|
||||
};
|
||||
#endif
|
||||
|
||||
/* externally visible functions */
|
||||
|
||||
@ -265,14 +270,14 @@ PCIB_ACCESSOR(hose, HOSE, u_int32_t)
|
||||
|
||||
#endif
|
||||
|
||||
/* for compatibility to FreeBSD-2.2 version of PCI code */
|
||||
|
||||
#ifdef PCI_COMPAT
|
||||
/* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
|
||||
|
||||
#if defined(_KERNEL) && !defined(KLD_MODULE)
|
||||
#include "opt_compat_oldpci.h"
|
||||
#endif
|
||||
|
||||
#ifdef COMPAT_OLDPCI
|
||||
|
||||
/* all this is going some day */
|
||||
|
||||
typedef pcicfgregs *pcici_t;
|
||||
@ -283,7 +288,6 @@ typedef void pci_inthand_t(void *arg);
|
||||
|
||||
/* just copied from old PCI code for now ... */
|
||||
|
||||
#ifdef COMPAT_OLDPCI
|
||||
struct pci_device {
|
||||
char* pd_name;
|
||||
const char* (*pd_probe ) (pcici_t tag, pcidi_t type);
|
||||
@ -291,7 +295,6 @@ struct pci_device {
|
||||
u_long *pd_count;
|
||||
int (*pd_shutdown) (int, int);
|
||||
};
|
||||
#endif
|
||||
|
||||
#ifdef __i386__
|
||||
typedef u_short pci_port_t;
|
||||
@ -312,7 +315,6 @@ int pci_unmap_int (pcici_t tag);
|
||||
pcici_t pci_get_parent_from_tag(pcici_t tag);
|
||||
int pci_get_bus_from_tag(pcici_t tag);
|
||||
|
||||
#ifdef COMPAT_OLDPCI
|
||||
struct module;
|
||||
int compat_pci_handler (struct module *, int, void *);
|
||||
#define COMPAT_PCI_DRIVER(name, pcidata) \
|
||||
@ -322,8 +324,6 @@ static moduledata_t name##_mod = { \
|
||||
&pcidata \
|
||||
}; \
|
||||
DECLARE_MODULE(name, name##_mod, SI_SUB_DRIVERS, SI_ORDER_ANY)
|
||||
#endif
|
||||
#endif /* COMPAT_OLDPCI */
|
||||
|
||||
|
||||
#endif /* PCI_COMPAT */
|
||||
#endif /* _PCIVAR_H_ */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user