diff options
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/wrap/nic.c')
| -rw-r--r-- | debian/grub-extras/disabled/gpxe/wrap/nic.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/wrap/nic.c b/debian/grub-extras/disabled/gpxe/wrap/nic.c new file mode 100644 index 0000000..05a3b89 --- /dev/null +++ b/debian/grub-extras/disabled/gpxe/wrap/nic.c @@ -0,0 +1,138 @@ +/* + * Copyright © 2009 Vladimir 'phcoder' Serbinenko <phcoder@gmail.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "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 + * COPYRIGHT HOLDER OR CONTRIBUTORS 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. + */ + +FILE_LICENCE ( BSD2 ); + +#include <gpxe/pci.h> +#include <grub/misc.h> + +/* Helper for grub_gpxe_register_pci_nic. */ +static int +grub_gpxe_pci_nic_init (grub_pci_device_t dev, grub_pci_id_t pciid, void *data) +{ + struct pci_driver *nic = data; + unsigned i; + + for (i = 0; i < nic->id_count; i++) + { + int err; + if (nic->ids[i].devid == pciid) + { + struct pci_device *pci; + struct pci_device_id *id; + int reg; + + grub_dprintf ("gpxe", "Attaching NIC %d:%d.%d\n", + grub_pci_get_bus (dev), + grub_pci_get_device (dev), + grub_pci_get_function (dev)); + pci = grub_malloc (sizeof (*pci)); + if (!pci) + { + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + return 0; + } + id = grub_malloc (sizeof (*id)); + if (!id) + { + grub_free (pci); + grub_print_error (); + grub_errno = GRUB_ERR_NONE; + return 0; + } + id->devid = pciid; + pci->dev.desc.bus_type = BUS_TYPE_PCI; + pci->dev.desc.bus = grub_pci_get_bus (dev); + pci->dev.desc.location = (grub_pci_get_device (dev) << 3) + | grub_pci_get_function (dev); + pci->dev.desc.vendor = pciid & 0xffff; + pci->dev.desc.device = pciid >> 16; + pci->vendor = pciid & 0xffff; + pci->device = pciid >> 16; + pci->dev.name = grub_xasprintf ("PCI:%02x:%02x.%x", + grub_pci_get_bus (dev), + grub_pci_get_device (dev), + grub_pci_get_function (dev)); + pci->dev.pci_dev = dev; + pci->priv = 0; + pci->drvdata = 0; + + reg = GRUB_PCI_REG_ADDRESSES; + while (reg < GRUB_PCI_REG_CIS_POINTER) + { + grub_uint64_t space; + grub_pci_address_t addr; + + addr = grub_pci_make_address (dev, reg); + space = grub_pci_read (addr); + + reg += sizeof (grub_uint32_t); + + if (space == 0) + continue; + + if ((space & GRUB_PCI_ADDR_SPACE_MASK) + == GRUB_PCI_ADDR_SPACE_IO) + { + pci->ioaddr = space & GRUB_PCI_ADDR_IO_MASK; + break; + } + + if ((space & GRUB_PCI_ADDR_MEM_TYPE_MASK) + == GRUB_PCI_ADDR_MEM_TYPE_64) + reg += sizeof (grub_uint32_t); + } + + /* No IRQ support yet. */ + pci->irq = 0; + grub_dprintf ("gpxe", "Probing NIC %d:%d.%d\n", + grub_pci_get_bus (dev), + grub_pci_get_device (dev), + grub_pci_get_function (dev)); + err = nic->probe (pci, id); + grub_dprintf ("gpxe", "Nic probe finished with status %d\n", err); + } + } + return 0; +} + +void +grub_gpxe_register_pci_nic (struct pci_driver *nic) +{ + grub_dprintf ("gpxe", "Registering nic\n"); + grub_pci_iterate (grub_gpxe_pci_nic_init, nic); +} + +/* FIXME: free all resources associated with driver and detach devices. */ +void +grub_gpxe_unregister_pci_nic (struct pci_driver *nic __attribute__ ((unused))) +{ +} |