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/*
* 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)))
{
}
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