/* $OpenBSD: pci_subr.c,v 1.20 2007/01/02 19:22:38 mbalmer Exp $ */ /* $NetBSD: pci_subr.c,v 1.19 1996/10/13 01:38:29 christos Exp $ */ /* * Copyright (c) 1995, 1996 Christopher G. Demetriou. All rights reserved. * Copyright (c) 1994 Charles Hannum. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Charles Hannum. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * PCI autoconfiguration support functions. */ #include #include #include #include #include #ifdef PCIVERBOSE #include #endif /* * Descriptions of known PCI classes and subclasses. * * Subclasses are described in the same way as classes, but have a * NULL subclass pointer. */ struct pci_class { const char *name; int val; /* as wide as pci_{,sub}class_t */ const struct pci_class *subclasses; }; const struct pci_class pci_subclass_prehistoric[] = { { "miscellaneous", PCI_SUBCLASS_PREHISTORIC_MISC, }, { "VGA", PCI_SUBCLASS_PREHISTORIC_VGA, }, { 0 } }; const struct pci_class pci_subclass_mass_storage[] = { { "SCSI", PCI_SUBCLASS_MASS_STORAGE_SCSI, }, { "IDE", PCI_SUBCLASS_MASS_STORAGE_IDE, }, { "floppy", PCI_SUBCLASS_MASS_STORAGE_FLOPPY, }, { "IPI", PCI_SUBCLASS_MASS_STORAGE_IPI, }, { "RAID", PCI_SUBCLASS_MASS_STORAGE_RAID, }, { "ATA", PCI_SUBCLASS_MASS_STORAGE_ATA, }, { "SATA", PCI_SUBCLASS_MASS_STORAGE_SATA, }, { "SAS", PCI_SUBCLASS_MASS_STORAGE_SAS, }, { "miscellaneous", PCI_SUBCLASS_MASS_STORAGE_MISC, }, { 0 }, }; const struct pci_class pci_subclass_network[] = { { "ethernet", PCI_SUBCLASS_NETWORK_ETHERNET, }, { "token ring", PCI_SUBCLASS_NETWORK_TOKENRING, }, { "FDDI", PCI_SUBCLASS_NETWORK_FDDI, }, { "ATM", PCI_SUBCLASS_NETWORK_ATM, }, { "ISDN", PCI_SUBCLASS_NETWORK_ISDN, }, { "WorldFip", PCI_SUBCLASS_NETWORK_WORLDFIP, }, { "PCMIG Multi Computing", PCI_SUBCLASS_NETWORK_PCIMGMULTICOMP, }, { "miscellaneous", PCI_SUBCLASS_NETWORK_MISC, }, { 0 }, }; const struct pci_class pci_subclass_display[] = { { "VGA", PCI_SUBCLASS_DISPLAY_VGA, }, { "XGA", PCI_SUBCLASS_DISPLAY_XGA, }, { "3D", PCI_SUBCLASS_DISPLAY_3D, }, { "miscellaneous", PCI_SUBCLASS_DISPLAY_MISC, }, { 0 }, }; const struct pci_class pci_subclass_multimedia[] = { { "video", PCI_SUBCLASS_MULTIMEDIA_VIDEO, }, { "audio", PCI_SUBCLASS_MULTIMEDIA_AUDIO, }, { "telephony", PCI_SUBCLASS_MULTIMEDIA_TELEPHONY, }, { "hdaudio", PCI_SUBCLASS_MULTIMEDIA_HDAUDIO, }, { "miscellaneous", PCI_SUBCLASS_MULTIMEDIA_MISC, }, { 0 }, }; const struct pci_class pci_subclass_memory[] = { { "RAM", PCI_SUBCLASS_MEMORY_RAM, }, { "flash", PCI_SUBCLASS_MEMORY_FLASH, }, { "miscellaneous", PCI_SUBCLASS_MEMORY_MISC, }, { 0 }, }; const struct pci_class pci_subclass_bridge[] = { { "host", PCI_SUBCLASS_BRIDGE_HOST, }, { "ISA", PCI_SUBCLASS_BRIDGE_ISA, }, { "EISA", PCI_SUBCLASS_BRIDGE_EISA, }, { "MicroChannel", PCI_SUBCLASS_BRIDGE_MC, }, { "PCI", PCI_SUBCLASS_BRIDGE_PCI, }, { "PCMCIA", PCI_SUBCLASS_BRIDGE_PCMCIA, }, { "NuBus", PCI_SUBCLASS_BRIDGE_NUBUS, }, { "CardBus", PCI_SUBCLASS_BRIDGE_CARDBUS, }, { "RACEway", PCI_SUBCLASS_BRIDGE_RACEWAY, }, { "Semi-transparent PCI", PCI_SUBCLASS_BRIDGE_STPCI, }, { "InfiniBand", PCI_SUBCLASS_BRIDGE_INFINIBAND, }, { "miscellaneous", PCI_SUBCLASS_BRIDGE_MISC, }, { 0 }, }; const struct pci_class pci_subclass_communications[] = { { "serial", PCI_SUBCLASS_COMMUNICATIONS_SERIAL, }, { "parallel", PCI_SUBCLASS_COMMUNICATIONS_PARALLEL, }, { "multi-port serial", PCI_SUBCLASS_COMMUNICATIONS_MPSERIAL, }, { "modem", PCI_SUBCLASS_COMMUNICATIONS_MODEM, }, { "GPIB", PCI_SUBCLASS_COMMUNICATIONS_GPIB, }, { "smartcard", PCI_SUBCLASS_COMMUNICATIONS_SMARTCARD, }, { "miscellaneous", PCI_SUBCLASS_COMMUNICATIONS_MISC, }, { 0 }, }; const struct pci_class pci_subclass_system[] = { { "interrupt", PCI_SUBCLASS_SYSTEM_PIC, }, { "8237 DMA", PCI_SUBCLASS_SYSTEM_DMA, }, { "8254 timer", PCI_SUBCLASS_SYSTEM_TIMER, }, { "RTC", PCI_SUBCLASS_SYSTEM_RTC, }, { "PCI Hot-Plug", PCI_SUBCLASS_SYSTEM_PCIHOTPLUG, }, { "SD Host Controller", PCI_SUBCLASS_SYSTEM_SDHC, }, { "miscellaneous", PCI_SUBCLASS_SYSTEM_MISC, }, { 0 }, }; const struct pci_class pci_subclass_input[] = { { "keyboard", PCI_SUBCLASS_INPUT_KEYBOARD, }, { "digitizer", PCI_SUBCLASS_INPUT_DIGITIZER, }, { "mouse", PCI_SUBCLASS_INPUT_MOUSE, }, { "scanner", PCI_SUBCLASS_INPUT_SCANNER, }, { "game port", PCI_SUBCLASS_INPUT_GAMEPORT, }, { "miscellaneous", PCI_SUBCLASS_INPUT_MISC, }, { 0 }, }; const struct pci_class pci_subclass_dock[] = { { "generic", PCI_SUBCLASS_DOCK_GENERIC, }, { "miscellaneous", PCI_SUBCLASS_DOCK_MISC, }, { 0 }, }; const struct pci_class pci_subclass_processor[] = { { "386", PCI_SUBCLASS_PROCESSOR_386, }, { "486", PCI_SUBCLASS_PROCESSOR_486, }, { "Pentium", PCI_SUBCLASS_PROCESSOR_PENTIUM, }, { "Alpha", PCI_SUBCLASS_PROCESSOR_ALPHA, }, { "PowerPC", PCI_SUBCLASS_PROCESSOR_POWERPC, }, { "MIPS", PCI_SUBCLASS_PROCESSOR_MIPS, }, { "Co-processor", PCI_SUBCLASS_PROCESSOR_COPROC, }, { 0 }, }; const struct pci_class pci_subclass_serialbus[] = { { "Firewire", PCI_SUBCLASS_SERIALBUS_FIREWIRE, }, { "ACCESS.bus", PCI_SUBCLASS_SERIALBUS_ACCESS, }, { "SSA", PCI_SUBCLASS_SERIALBUS_SSA, }, { "USB", PCI_SUBCLASS_SERIALBUS_USB, }, /* XXX Fiber Channel/_FIBRECHANNEL */ { "Fiber Channel", PCI_SUBCLASS_SERIALBUS_FIBER, }, { "SMBus", PCI_SUBCLASS_SERIALBUS_SMBUS, }, { "InfiniBand", PCI_SUBCLASS_SERIALBUS_INFINIBAND, }, { "IPMI", PCI_SUBCLASS_SERIALBUS_IPMI, }, { "SERCOS", PCI_SUBCLASS_SERIALBUS_SERCOS, }, { "CANbus", PCI_SUBCLASS_SERIALBUS_CANBUS, }, { 0 }, }; const struct pci_class pci_subclass_wireless[] = { { "IrDA", PCI_SUBCLASS_WIRELESS_IRDA, }, { "Consumer IR", PCI_SUBCLASS_WIRELESS_CONSUMERIR, }, { "RF", PCI_SUBCLASS_WIRELESS_RF, }, { "bluetooth", PCI_SUBCLASS_WIRELESS_BLUETOOTH, }, { "broadband", PCI_SUBCLASS_WIRELESS_BROADBAND, }, { "802.11a (5 GHz)", PCI_SUBCLASS_WIRELESS_802_11A, }, { "802.11b (2.4 GHz)", PCI_SUBCLASS_WIRELESS_802_11B, }, { "miscellaneous", PCI_SUBCLASS_WIRELESS_MISC, }, { 0 }, }; const struct pci_class pci_subclass_i2o[] = { { "standard", PCI_SUBCLASS_I2O_STANDARD, }, { 0 }, }; const struct pci_class pci_subclass_satcom[] = { { "TV", PCI_SUBCLASS_SATCOM_TV, }, { "audio", PCI_SUBCLASS_SATCOM_AUDIO, }, { "voice", PCI_SUBCLASS_SATCOM_VOICE, }, { "data", PCI_SUBCLASS_SATCOM_DATA, }, { 0 }, }; const struct pci_class pci_subclass_crypto[] = { { "network/computing", PCI_SUBCLASS_CRYPTO_NETCOMP, }, { "entertainment", PCI_SUBCLASS_CRYPTO_ENTERTAINMENT, }, { "miscellaneous", PCI_SUBCLASS_CRYPTO_MISC, }, { 0 }, }; const struct pci_class pci_subclass_dasp[] = { { "DPIO", PCI_SUBCLASS_DASP_DPIO, }, { "Time and Frequency", PCI_SUBCLASS_DASP_TIMEFREQ, }, { "synchronization", PCI_SUBCLASS_DASP_SYNC, }, { "management", PCI_SUBCLASS_DASP_MGMT, }, { "miscellaneous", PCI_SUBCLASS_DASP_MISC, }, { 0 }, }; const struct pci_class pci_class[] = { { "prehistoric", PCI_CLASS_PREHISTORIC, pci_subclass_prehistoric, }, { "mass storage", PCI_CLASS_MASS_STORAGE, pci_subclass_mass_storage, }, { "network", PCI_CLASS_NETWORK, pci_subclass_network, }, { "display", PCI_CLASS_DISPLAY, pci_subclass_display, }, { "multimedia", PCI_CLASS_MULTIMEDIA, pci_subclass_multimedia, }, { "memory", PCI_CLASS_MEMORY, pci_subclass_memory, }, { "bridge", PCI_CLASS_BRIDGE, pci_subclass_bridge, }, { "communications", PCI_CLASS_COMMUNICATIONS, pci_subclass_communications, }, { "system", PCI_CLASS_SYSTEM, pci_subclass_system, }, { "input", PCI_CLASS_INPUT, pci_subclass_input, }, { "dock", PCI_CLASS_DOCK, pci_subclass_dock, }, { "processor", PCI_CLASS_PROCESSOR, pci_subclass_processor, }, { "serial bus", PCI_CLASS_SERIALBUS, pci_subclass_serialbus, }, { "wireless", PCI_CLASS_WIRELESS, pci_subclass_wireless, }, { "I2O", PCI_CLASS_I2O, pci_subclass_i2o, }, { "satellite comm", PCI_CLASS_SATCOM, pci_subclass_satcom, }, { "crypto", PCI_CLASS_CRYPTO, pci_subclass_crypto, }, { "DASP", PCI_CLASS_DASP, pci_subclass_dasp, }, { "undefined", PCI_CLASS_UNDEFINED, 0, }, { 0 }, }; #ifdef PCIVERBOSE /* * Descriptions of known vendors and devices ("products"). */ struct pci_known_vendor { pci_vendor_id_t vendor; const char *vendorname; }; struct pci_known_product { pci_vendor_id_t vendor; pci_product_id_t product; const char *productname; }; #include #endif /* PCIVERBOSE */ const char * pci_findvendor(pcireg_t id_reg) { #ifdef PCIVERBOSE pci_vendor_id_t vendor = PCI_VENDOR(id_reg); const struct pci_known_vendor *kdp; kdp = pci_known_vendors; while (kdp->vendorname != NULL) { /* all have vendor name */ if (kdp->vendor == vendor) break; kdp++; } return (kdp->vendorname); #else return (NULL); #endif } const char * pci_findproduct(pcireg_t id_reg) { #ifdef PCIVERBOSE pci_vendor_id_t vendor = PCI_VENDOR(id_reg); pci_product_id_t product = PCI_PRODUCT(id_reg); const struct pci_known_product *pkp; pkp = pci_known_products; while (pkp->productname != NULL) { /* all have product name */ if (pkp->vendor == vendor && pkp->product == product) break; pkp++; } return (pkp->productname); #else return NULL; #endif } void pci_devinfo(pcireg_t id_reg, pcireg_t class_reg, int showclass, char *cp, size_t cp_max) { pci_vendor_id_t vendor; pci_product_id_t product; pci_class_t class; pci_subclass_t subclass; pci_interface_t interface; pci_revision_t revision; const char *vendor_namep = NULL, *product_namep = NULL; const struct pci_class *classp, *subclassp; size_t cp_len = 0; #ifdef PCIVERBOSE const char *unmatched = "unknown "; #else const char *unmatched = ""; #endif vendor = PCI_VENDOR(id_reg); product = PCI_PRODUCT(id_reg); class = PCI_CLASS(class_reg); subclass = PCI_SUBCLASS(class_reg); interface = PCI_INTERFACE(class_reg); revision = PCI_REVISION(class_reg); #ifdef PCIVERBOSE vendor_namep = pci_findvendor(id_reg); if (vendor_namep != NULL) product_namep = pci_findproduct(id_reg); #endif /* PCIVERBOSE */ classp = pci_class; while (classp->name != NULL) { if (class == classp->val) break; classp++; } subclassp = (classp->name != NULL) ? classp->subclasses : NULL; while (subclassp && subclassp->name != NULL) { if (subclass == subclassp->val) break; subclassp++; } if (vendor_namep == NULL) snprintf(cp, cp_max, "%svendor 0x%04x product 0x%04x", unmatched, vendor, product); else if (product_namep != NULL) snprintf(cp, cp_max, "\"%s %s\"", vendor_namep, product_namep); else snprintf(cp, cp_max, "vendor \"%s\", unknown product 0x%04x", vendor_namep, product); if (showclass && product_namep == NULL) { strlcat(cp, " (", cp_max); cp_len = strlen(cp); if (classp->name == NULL) snprintf(cp + cp_len, cp_max - cp_len, "unknown class 0x%02x, subclass 0x%02x", class, subclass); else if (subclassp == NULL || subclassp->name == NULL) snprintf(cp + cp_len, cp_max - cp_len, "class %s unknown subclass 0x%02x", classp->name, subclass); else snprintf(cp + cp_len, cp_max - cp_len, "class %s subclass %s", classp->name, subclassp->name); #if 0 /* not very useful */ cp_len = strlen(cp); snprintf(cp + cp_len, cp_max - cp_len, ", interface 0x%02x", interface); #endif cp_len = strlen(cp); snprintf(cp + cp_len, cp_max - cp_len, ", rev 0x%02x)", revision); } else { cp_len = strlen(cp); snprintf(cp + cp_len, cp_max - cp_len, " rev 0x%02x", revision); } }