diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/net/skeleton.c')
| -rw-r--r-- | qemu/roms/ipxe/src/drivers/net/skeleton.c | 319 |
1 files changed, 0 insertions, 319 deletions
diff --git a/qemu/roms/ipxe/src/drivers/net/skeleton.c b/qemu/roms/ipxe/src/drivers/net/skeleton.c deleted file mode 100644 index 0435b9d0e..000000000 --- a/qemu/roms/ipxe/src/drivers/net/skeleton.c +++ /dev/null @@ -1,319 +0,0 @@ -/* - * Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <errno.h> -#include <byteswap.h> -#include <ipxe/netdevice.h> -#include <ipxe/ethernet.h> -#include <ipxe/if_ether.h> -#include <ipxe/iobuf.h> -#include <ipxe/malloc.h> -#include <ipxe/pci.h> -#include <ipxe/mii.h> -#include "skeleton.h" - -/** @file - * - * Skeleton network driver - * - */ - -/****************************************************************************** - * - * MII interface - * - ****************************************************************************** - */ - -/** - * Read from MII register - * - * @v mii MII interface - * @v reg Register address - * @ret value Data read, or negative error - */ -static int skeleton_mii_read ( struct mii_interface *mii, unsigned int reg ) { - struct skeleton_nic *skel = - container_of ( mii, struct skeleton_nic, mii ); - - DBGC ( skel, "SKELETON %p does not yet support MII read\n", skel ); - ( void ) reg; - return -ENOTSUP; -} - -/** - * Write to MII register - * - * @v mii MII interface - * @v reg Register address - * @v data Data to write - * @ret rc Return status code - */ -static int skeleton_mii_write ( struct mii_interface *mii, unsigned int reg, - unsigned int data) { - struct skeleton_nic *skel = - container_of ( mii, struct skeleton_nic, mii ); - - DBGC ( skel, "SKELETON %p does not yet support MII write\n", skel ); - ( void ) reg; - ( void ) data; - return -ENOTSUP; -} - -/** Skeleton MII operations */ -static struct mii_operations skeleton_mii_operations = { - .read = skeleton_mii_read, - .write = skeleton_mii_write, -}; - -/****************************************************************************** - * - * Device reset - * - ****************************************************************************** - */ - -/** - * Reset hardware - * - * @v skel Skeleton device - * @ret rc Return status code - */ -static int skeleton_reset ( struct skeleton_nic *skel ) { - - DBGC ( skel, "SKELETON %p does not yet support reset\n", skel ); - return -ENOTSUP; -} - -/****************************************************************************** - * - * Link state - * - ****************************************************************************** - */ - -/** - * Check link state - * - * @v netdev Network device - */ -static void skeleton_check_link ( struct net_device *netdev ) { - struct skeleton_nic *skel = netdev->priv; - - DBGC ( skel, "SKELETON %p does not yet support link state\n", skel ); - netdev_link_err ( netdev, -ENOTSUP ); -} - -/****************************************************************************** - * - * Network device interface - * - ****************************************************************************** - */ - -/** - * Open network device - * - * @v netdev Network device - * @ret rc Return status code - */ -static int skeleton_open ( struct net_device *netdev ) { - struct skeleton_nic *skel = netdev->priv; - - DBGC ( skel, "SKELETON %p does not yet support open\n", skel ); - return -ENOTSUP; -} - -/** - * Close network device - * - * @v netdev Network device - */ -static void skeleton_close ( struct net_device *netdev ) { - struct skeleton_nic *skel = netdev->priv; - - DBGC ( skel, "SKELETON %p does not yet support close\n", skel ); -} - -/** - * Transmit packet - * - * @v netdev Network device - * @v iobuf I/O buffer - * @ret rc Return status code - */ -static int skeleton_transmit ( struct net_device *netdev, - struct io_buffer *iobuf ) { - struct skeleton_nic *skel = netdev->priv; - - DBGC ( skel, "SKELETON %p does not yet support transmit\n", skel ); - ( void ) iobuf; - return -ENOTSUP; -} - -/** - * Poll for completed and received packets - * - * @v netdev Network device - */ -static void skeleton_poll ( struct net_device *netdev ) { - struct skeleton_nic *skel = netdev->priv; - - /* Not yet implemented */ - ( void ) skel; -} - -/** - * Enable or disable interrupts - * - * @v netdev Network device - * @v enable Interrupts should be enabled - */ -static void skeleton_irq ( struct net_device *netdev, int enable ) { - struct skeleton_nic *skel = netdev->priv; - - DBGC ( skel, "SKELETON %p does not yet support interrupts\n", skel ); - ( void ) enable; -} - -/** Skeleton network device operations */ -static struct net_device_operations skeleton_operations = { - .open = skeleton_open, - .close = skeleton_close, - .transmit = skeleton_transmit, - .poll = skeleton_poll, - .irq = skeleton_irq, -}; - -/****************************************************************************** - * - * PCI interface - * - ****************************************************************************** - */ - -/** - * Probe PCI device - * - * @v pci PCI device - * @ret rc Return status code - */ -static int skeleton_probe ( struct pci_device *pci ) { - struct net_device *netdev; - struct skeleton_nic *skel; - int rc; - - /* Allocate and initialise net device */ - netdev = alloc_etherdev ( sizeof ( *skel ) ); - if ( ! netdev ) { - rc = -ENOMEM; - goto err_alloc; - } - netdev_init ( netdev, &skeleton_operations ); - skel = netdev->priv; - pci_set_drvdata ( pci, netdev ); - netdev->dev = &pci->dev; - memset ( skel, 0, sizeof ( *skel ) ); - - /* Fix up PCI device */ - adjust_pci_device ( pci ); - - /* Map registers */ - skel->regs = ioremap ( pci->membase, SKELETON_BAR_SIZE ); - if ( ! skel->regs ) { - rc = -ENODEV; - goto err_ioremap; - } - - /* Reset the NIC */ - if ( ( rc = skeleton_reset ( skel ) ) != 0 ) - goto err_reset; - - /* Initialise and reset MII interface */ - mii_init ( &skel->mii, &skeleton_mii_operations ); - if ( ( rc = mii_reset ( &skel->mii ) ) != 0 ) { - DBGC ( skel, "SKELETON %p could not reset MII: %s\n", - skel, strerror ( rc ) ); - goto err_mii_reset; - } - - /* Register network device */ - if ( ( rc = register_netdev ( netdev ) ) != 0 ) - goto err_register_netdev; - - /* Set initial link state */ - skeleton_check_link ( netdev ); - - return 0; - - unregister_netdev ( netdev ); - err_register_netdev: - err_mii_reset: - skeleton_reset ( skel ); - err_reset: - iounmap ( skel->regs ); - err_ioremap: - netdev_nullify ( netdev ); - netdev_put ( netdev ); - err_alloc: - return rc; -} - -/** - * Remove PCI device - * - * @v pci PCI device - */ -static void skeleton_remove ( struct pci_device *pci ) { - struct net_device *netdev = pci_get_drvdata ( pci ); - struct skeleton_nic *skel = netdev->priv; - - /* Unregister network device */ - unregister_netdev ( netdev ); - - /* Reset card */ - skeleton_reset ( skel ); - - /* Free network device */ - iounmap ( skel->regs ); - netdev_nullify ( netdev ); - netdev_put ( netdev ); -} - -/** Skeleton PCI device IDs */ -static struct pci_device_id skeleton_nics[] = { - PCI_ROM ( 0x5ce1, 0x5ce1, "skel", "Skeleton", 0 ), -}; - -/** Skeleton PCI driver */ -struct pci_driver skeleton_driver __pci_driver = { - .ids = skeleton_nics, - .id_count = ( sizeof ( skeleton_nics ) / sizeof ( skeleton_nics[0] ) ), - .probe = skeleton_probe, - .remove = skeleton_remove, -}; |