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/* lspci.c - List PCI devices. */
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* GRUB is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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#include <grub/misc.h>
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#include <grub/extcmd.h>
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#include <grub/i18n.h>
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struct grub_pci_classname
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static const struct grub_pci_classname grub_pci_classes[] =
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{ 1, 0, "SCSI Controller" },
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{ 1, 1, "IDE Controller" },
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{ 1, 2, "Floppy Controller" },
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{ 1, 3, "IPI Controller" },
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{ 1, 4, "RAID Controller" },
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{ 1, 6, "SATA Controller" },
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{ 1, 0x80, "Mass storage Controller" },
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{ 2, 0, "Ethernet Controller" },
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{ 2, 1, "Token Ring Controller" },
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{ 2, 2, "FDDI Controller" },
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{ 2, 3, "ATM Controller" },
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{ 2, 4, "ISDN Controller" },
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{ 2, 0x80, "Network controller" },
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{ 3, 0, "VGA Controller" },
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{ 3, 1, "XGA Controller" },
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{ 3, 2, "3D Controller" },
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{ 3, 0x80, "Display Controller" },
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{ 4, 0, "Multimedia Video Device" },
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{ 4, 1, "Multimedia Audio Device" },
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{ 4, 2, "Multimedia Telephony Device" },
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{ 4, 0x80, "Multimedia device" },
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{ 5, 0, "RAM Controller" },
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{ 5, 1, "Flash Memory Controller" },
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{ 5, 0x80, "Memory Controller" },
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{ 6, 0, "Host Bridge" },
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{ 6, 1, "ISA Bridge" },
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{ 6, 2, "EISA Bride" },
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{ 6, 3, "MCA Bridge" },
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{ 6, 4, "PCI-PCI Bridge" },
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{ 6, 5, "PCMCIA Bridge" },
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{ 6, 6, "NuBus Bridge" },
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{ 6, 7, "CardBus Bridge" },
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{ 6, 8, "Raceway Bridge" },
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{ 6, 0x80, "Unknown Bridge" },
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{ 7, 0x80, "Communication controller" },
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{ 8, 0x80, "System hardware" },
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{ 9, 0, "Keyboard Controller" },
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{ 9, 1, "Digitizer" },
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{ 9, 2, "Mouse Controller" },
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{ 9, 3, "Scanner Controller" },
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{ 9, 4, "Gameport Controller" },
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{ 9, 0x80, "Unknown Input Device" },
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{ 10, 0, "Generic Docking Station" },
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{ 10, 0x80, "Unknown Docking Station" },
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{ 11, 0, "80386 Processor" },
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{ 11, 1, "80486 Processor" },
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{ 11, 2, "Pentium Processor" },
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{ 11, 0x10, "Alpha Processor" },
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{ 11, 0x20, "PowerPC Processor" },
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{ 11, 0x30, "MIPS Processor" },
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{ 11, 0x40, "Co-Processor" },
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{ 11, 0x80, "Unknown Processor" },
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{ 12, 3, "USB Controller" },
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{ 12, 0x80, "Serial Bus Controller" },
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{ 13, 0x80, "Wireless Controller" },
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{ 15, 0, "IrDA Controller" },
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{ 15, 1, "Consumer IR" },
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{ 15, 0x10, "RF-Controller" },
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{ 15, 0x80, "Satellite Communication Controller" },
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{ 16, 0, "Network Decryption" },
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{ 16, 1, "Entertainment Decryption" },
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{ 16, 0x80, "Unknown Decryption Controller" },
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{ 17, 0, "Digital IO Module" },
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{ 17, 0x80, "Unknown Data Input System" },
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grub_pci_get_class (int class, int subclass)
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const struct grub_pci_classname *curr = grub_pci_classes;
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if (curr->class == class && curr->subclass == subclass)
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static const struct grub_arg_option options[] =
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{"iospace", 'i', 0, "show I/O spaces", 0, 0},
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static int NESTED_FUNC_ATTR
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grub_lspci_iter (grub_pci_device_t dev, grub_pci_id_t pciid)
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grub_pci_address_t addr;
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grub_printf ("%02x:%02x.%x %04x:%04x", grub_pci_get_bus (dev),
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grub_pci_get_device (dev), grub_pci_get_function (dev),
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pciid & 0xFFFF, pciid >> 16);
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
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class = grub_pci_read (addr);
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/* Lookup the class name, if there isn't a specific one,
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retry with 0x80 to get the generic class name. */
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sclass = grub_pci_get_class (class >> 24, (class >> 16) & 0xFF);
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sclass = grub_pci_get_class (class >> 24, 0x80);
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grub_printf (" [%04x] %s", (class >> 16) & 0xffff, sclass);
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grub_uint8_t pi = (class >> 8) & 0xff;
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grub_printf (" [PI %02x]", pi);
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reg = GRUB_PCI_REG_ADDRESSES;
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while (reg < GRUB_PCI_REG_CIS_POINTER)
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addr = grub_pci_make_address (dev, reg);
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space = grub_pci_read (addr);
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reg += sizeof (grub_uint32_t);
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switch (space & GRUB_PCI_ADDR_SPACE_MASK)
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case GRUB_PCI_ADDR_SPACE_IO:
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grub_printf ("\tIO space %d at 0x%llx\n",
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(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
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/ sizeof (grub_uint32_t)) - 1,
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(space & GRUB_PCI_ADDR_IO_MASK));
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case GRUB_PCI_ADDR_SPACE_MEMORY:
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if ((space & GRUB_PCI_ADDR_MEM_TYPE_MASK)
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== GRUB_PCI_ADDR_MEM_TYPE_64)
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addr = grub_pci_make_address (dev, reg);
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space |= ((grub_uint64_t) grub_pci_read (addr)) << 32;
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reg += sizeof (grub_uint32_t);
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grub_printf ("\t64-bit memory space %d at 0x%016llx [%s]\n",
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(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
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/ sizeof (grub_uint32_t)) - 2,
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(space & GRUB_PCI_ADDR_MEM_MASK),
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space & GRUB_PCI_ADDR_MEM_PREFETCH
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? "prefetchable" : "non-prefetchable");
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grub_printf ("\t32-bit memory space %d at 0x%016llx [%s]\n",
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(unsigned) ((reg - GRUB_PCI_REG_ADDRESSES)
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/ sizeof (grub_uint32_t)) - 1,
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(space & GRUB_PCI_ADDR_MEM_MASK),
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space & GRUB_PCI_ADDR_MEM_PREFETCH
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? "prefetchable" : "non-prefetchable");
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grub_cmd_lspci (grub_extcmd_context_t ctxt,
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int argc __attribute__ ((unused)),
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char **args __attribute__ ((unused)))
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iospace = ctxt->state[0].set;
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grub_pci_iterate (grub_lspci_iter);
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return GRUB_ERR_NONE;
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static grub_extcmd_t cmd;
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cmd = grub_register_extcmd ("lspci", grub_cmd_lspci, 0, "[-i]",
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N_("List PCI devices."), options);
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grub_unregister_extcmd (cmd);