define and call "pci_devinfo()", which creates a string from the
vendor & product IDs and class information, which is printed if device isn't found. Optionally (via "PCIVERBOSE" option) does table lookup to try to see if it knows what the device really is (informational only...).
This commit is contained in:
cgd
parent
e86a68a339
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c4640b104d
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@ -1,6 +1,7 @@
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/* $NetBSD: pci_subr.c,v 1.9 1995/06/17 22:40:34 cgd Exp $ */
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/* $NetBSD: pci_subr.c,v 1.10 1995/06/18 01:28:23 cgd Exp $ */
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/*
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* Copyright (c) 1995 Christopher G. Demetriou. All rights reserved.
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* Copyright (c) 1994 Charles Hannum. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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@ -30,15 +31,18 @@
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*/
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/*
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* PCI autoconfiguration support
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* PCI autoconfiguration support functions.
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*/
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#ifdef PCIVERBOSE
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#include <dev/pci/pcidevs.h>
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#endif
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int
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pciprint(aux, pci)
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@ -72,13 +76,15 @@ pcisubmatch(parent, match, aux)
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*/
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int
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pci_attach_subdev(pcidev, bus, device)
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struct device *pcidev;
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int bus, device;
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struct device *pcidev;
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int bus, device;
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{
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pcitag_t tag;
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pcireg_t id, class;
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struct pci_attach_args pa;
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struct cfdata *cf;
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int supported;
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char devinfo[256];
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tag = pci_make_tag(bus, device, 0);
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id = pci_conf_read(tag, PCI_ID_REG);
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@ -92,14 +98,214 @@ pci_attach_subdev(pcidev, bus, device)
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pa.pa_id = id;
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pa.pa_class = class;
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#if defined(PCIVERBOSE) && 0 /* _too_ verbose */
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pci_devinfo(id, class, devinfo, NULL);
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printf("%s bus %d device %d: %s\n", pcidev->dv_xname, bus,
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device, devinfo);
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#endif /* _too_ verbose */
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if ((cf = config_search(pcisubmatch, pcidev, &pa)) != NULL)
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config_attach(pcidev, cf, &pa, pciprint);
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else {
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printf("%s bus %d device %d: identifier %08x class %08x%s",
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pcidev->dv_xname, bus, device, id, class,
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" not configured\n");
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pci_devinfo(id, class, devinfo, &supported);
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printf("%s bus %d device %d: %s not %s\n", pcidev->dv_xname,
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bus, device, devinfo,
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supported ? "configured" : "supported");
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return (0);
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}
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return (1);
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}
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/*
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* Descriptions of known PCI classes and subclasses.
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*
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* Subclasses are described in the same way as classes, but have a
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* NULL subclass pointer.
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*/
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struct pci_class {
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char *name;
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int val; /* as wide as pci_{,sub}class_t */
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struct pci_class *subclasses;
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};
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struct pci_class pci_subclass_prehistoric[] = {
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{ "miscellaneous", PCI_SUBCLASS_PREHISTORIC_MISC, },
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{ "VGA", PCI_SUBCLASS_PREHISTORIC_VGA, },
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{ 0 }
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};
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struct pci_class pci_subclass_mass_storage[] = {
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{ "SCSI", PCI_SUBCLASS_MASS_STORAGE_SCSI, },
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{ "IDE", PCI_SUBCLASS_MASS_STORAGE_IDE, },
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{ "floppy", PCI_SUBCLASS_MASS_STORAGE_FLOPPY, },
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{ "IPI", PCI_SUBCLASS_MASS_STORAGE_IPI, },
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{ "miscellaneous", PCI_SUBCLASS_MASS_STORAGE_MISC, },
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{ 0 },
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};
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struct pci_class pci_subclass_network[] = {
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{ "ethernet", PCI_SUBCLASS_NETWORK_ETHERNET, },
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{ "token ring", PCI_SUBCLASS_NETWORK_TOKENRING, },
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{ "FDDI", PCI_SUBCLASS_NETWORK_FDDI, },
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{ "miscellaneous", PCI_SUBCLASS_NETWORK_MISC, },
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{ 0 },
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};
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struct pci_class pci_subclass_display[] = {
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{ "VGA", PCI_SUBCLASS_DISPLAY_VGA, },
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{ "XGA", PCI_SUBCLASS_DISPLAY_XGA, },
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{ "miscellaneous", PCI_SUBCLASS_DISPLAY_MISC, },
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{ 0 },
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};
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struct pci_class pci_subclass_multimedia[] = {
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{ "video", PCI_SUBCLASS_MULTIMEDIA_VIDEO, },
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{ "audio", PCI_SUBCLASS_MULTIMEDIA_AUDIO, },
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{ "miscellaneous", PCI_SUBCLASS_MULTIMEDIA_MISC, },
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{ 0 },
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};
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struct pci_class pci_subclass_memory[] = {
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{ "RAM", PCI_SUBCLASS_MEMORY_RAM, },
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{ "flash", PCI_SUBCLASS_MEMORY_FLASH, },
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{ "miscellaneous", PCI_SUBCLASS_MEMORY_MISC, },
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{ 0 },
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};
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struct pci_class pci_subclass_bridge[] = {
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{ "host", PCI_SUBCLASS_BRIDGE_HOST, },
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{ "ISA", PCI_SUBCLASS_BRIDGE_ISA, },
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{ "EISA", PCI_SUBCLASS_BRIDGE_EISA, },
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{ "MicroChannel", PCI_SUBCLASS_BRIDGE_MC, },
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{ "PCI", PCI_SUBCLASS_BRIDGE_PCI, },
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{ "PCMCIA", PCI_SUBCLASS_BRIDGE_PCMCIA, },
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{ "miscellaneous", PCI_SUBCLASS_BRIDGE_MISC, },
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{ 0 },
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};
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struct pci_class pci_class[] = {
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{ "prehistoric", PCI_CLASS_PREHISTORIC,
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pci_subclass_prehistoric, },
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{ "mass storage", PCI_CLASS_MASS_STORAGE,
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pci_subclass_mass_storage, },
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{ "network", PCI_CLASS_NETWORK,
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pci_subclass_network, },
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{ "display", PCI_CLASS_DISPLAY,
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pci_subclass_network, },
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{ "multimedia", PCI_CLASS_MULTIMEDIA,
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pci_subclass_multimedia, },
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{ "memory", PCI_CLASS_MEMORY,
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pci_subclass_memory, },
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{ "bridge", PCI_CLASS_BRIDGE,
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pci_subclass_bridge, },
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{ "undefined", PCI_CLASS_UNDEFINED,
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0, },
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{ 0 },
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};
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#ifdef PCIVERBOSE
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/*
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* Descriptions of of known vendors and devices ("products").
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*/
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struct pci_knowndev {
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pci_vendor_id_t vendor;
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pci_product_id_t product;
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int flags;
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char *vendorname, *productname;
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};
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#define PCI_KNOWNDEV_UNSUPP 0x01 /* unsupported device */
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#define PCI_KNOWNDEV_NOPROD 0x02 /* match on vendor only */
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#include <dev/pci/pcidevs_data.h>
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#endif /* PCIVERBOSE */
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void
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pci_devinfo(id_reg, class_reg, cp, supp)
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pcireg_t id_reg, class_reg;
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char *cp;
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int *supp;
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{
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pci_vendor_id_t vendor;
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pci_product_id_t product;
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pci_class_t class;
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pci_subclass_t subclass;
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pci_interface_t interface;
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pci_revision_t revision;
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char *vendor_namep, *product_namep;
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struct pci_class *classp, *subclassp;
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#ifdef PCIVERBOSE
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struct pci_knowndev *kdp;
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#endif
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vendor = PCI_VENDOR(id_reg);
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product = PCI_PRODUCT(id_reg);
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class = PCI_CLASS(class_reg);
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subclass = PCI_SUBCLASS(class_reg);
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interface = PCI_INTERFACE(class_reg);
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revision = PCI_REVISION(class_reg);
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#ifdef PCIVERBOSE
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kdp = pci_knowndevs;
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while (kdp->vendorname != NULL) { /* all have vendor name */
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if (kdp->vendor == vendor && (kdp->product == product ||
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(kdp->flags & PCI_KNOWNDEV_NOPROD) != 0))
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break;
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kdp++;
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}
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if (kdp->vendorname == NULL) {
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vendor_namep = product_namep = NULL;
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if (supp != NULL)
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*supp = 0;
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} else {
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vendor_namep = kdp->vendorname;
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product_namep = (kdp->flags & PCI_KNOWNDEV_NOPROD) == 0 ?
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kdp->productname : NULL;
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if (supp != NULL)
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*supp = (kdp->flags & PCI_KNOWNDEV_UNSUPP) == 0;
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}
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#else /* PCIVERBOSE */
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vendor_namep = product_namep = NULL;
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if (supp != NULL)
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*supp = 1; /* always say 'not configured' */
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#endif /* PCIVERBOSE */
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classp = pci_class;
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while (classp->name != NULL) {
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if (class == classp->val)
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break;
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classp++;
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}
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subclassp = (classp->name != NULL) ? classp->subclasses : NULL;
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while (subclassp && subclassp->name != NULL) {
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if (subclass == subclassp->val)
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break;
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subclassp++;
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}
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if (vendor_namep == NULL)
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cp += sprintf(cp, "unknown vendor/product: 0x%04x/0x%04x",
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vendor, product);
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else if (product_namep != NULL)
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cp += sprintf(cp, "%s %s", vendor_namep, product_namep);
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else
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cp += sprintf(cp, "vendor: %s, unknown product: 0x%x",
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vendor_namep, product);
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cp += sprintf(cp, " (");
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if (classp->name == NULL)
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cp += sprintf(cp, "unknown class/subclass: 0x%02x/0x%02x",
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class, subclass);
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else {
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cp += sprintf(cp, "class: %s, ", classp->name);
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if (subclassp->name == NULL)
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cp += sprintf(cp, "unknown subclass: 0x%02x", subclass);
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else
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cp += sprintf(cp, "subclass: %s", subclassp->name);
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}
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#if 0 /* not very useful */
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cp += sprintf(cp, ", interface: 0x%02x", interface);
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#endif
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cp += sprintf(cp, ", revision: 0x%02x)", revision);
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}
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