diff options
Diffstat (limited to 'qemu/roms/ipxe/src/interface/bofm/bofm.c')
| -rw-r--r-- | qemu/roms/ipxe/src/interface/bofm/bofm.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/qemu/roms/ipxe/src/interface/bofm/bofm.c b/qemu/roms/ipxe/src/interface/bofm/bofm.c deleted file mode 100644 index 545088dc6..000000000 --- a/qemu/roms/ipxe/src/interface/bofm/bofm.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * Copyright (C) 2011 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 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 <errno.h> -#include <ipxe/uaccess.h> -#include <ipxe/list.h> -#include <ipxe/ethernet.h> -#include <ipxe/bofm.h> - -/** @file - * - * IBM BladeCenter Open Fabric Manager (BOFM) - * - */ - -/** List of BOFM devices */ -static LIST_HEAD ( bofmdevs ); - -/** - * Register BOFM device - * - * @v bofm BOFM device - * @ret rc Return status code - */ -int bofm_register ( struct bofm_device *bofm ) { - - list_add ( &bofm->list, &bofmdevs ); - DBG ( "BOFM: " PCI_FMT " registered using driver \"%s\"\n", - PCI_ARGS ( bofm->pci ), bofm->pci->id->name ); - return 0; -} - -/** - * Unregister BOFM device - * - * @v bofm BOFM device - */ -void bofm_unregister ( struct bofm_device *bofm ) { - - list_del ( &bofm->list ); - DBG ( "BOFM: " PCI_FMT " unregistered\n", PCI_ARGS ( bofm->pci ) ); -} - -/** - * Find BOFM device matching PCI bus:dev.fn address - * - * @v busdevfn PCI bus:dev.fn address - * @ret bofm BOFM device, or NULL - */ -static struct bofm_device * bofm_find_busdevfn ( unsigned int busdevfn ) { - struct bofm_device *bofm; - - list_for_each_entry ( bofm, &bofmdevs, list ) { - if ( bofm->pci->busdevfn == busdevfn ) - return bofm; - } - return NULL; -} - -/** - * Find BOFM driver for PCI device - * - * @v pci PCI device - * @ret rc Return status code - */ -int bofm_find_driver ( struct pci_device *pci ) { - struct pci_driver *driver; - struct pci_device_id *id; - unsigned int i; - - for_each_table_entry ( driver, BOFM_DRIVERS ) { - for ( i = 0 ; i < driver->id_count ; i++ ) { - id = &driver->ids[i]; - if ( ( id->vendor == pci->vendor ) && - ( id->device == pci->device ) ) { - pci_set_driver ( pci, driver, id ); - return 0; - } - } - } - return -ENOENT; -} - -/** - * Probe PCI device for BOFM driver - * - * @v pci PCI device - * @ret rc Return status code - */ -static int bofm_probe ( struct pci_device *pci ) { - int rc; - - /* Probe device */ - if ( ( rc = pci_probe ( pci ) ) != 0 ) { - DBG ( "BOFM: " PCI_FMT " could not load driver: %s\n", - PCI_ARGS ( pci ), strerror ( rc ) ); - return rc; - } - - return 0; -} - -/** - * Remove PCI device - * - * @v pci PCI device - */ -static void bofm_remove ( struct pci_device *pci ) { - - /* Note that the IBM BIOS may re-read the expansion ROM after - * the BOFM initialisation call. The BOFM driver must ensure - * that the card is left in a state in which expansion ROM - * reads will succeed. (For example, if a card contains an - * embedded CPU that may issue reads to the same underlying - * flash device, and these reads are not locked against reads - * via the expansion ROM BAR, then the CPU must be stopped.) - * - * If this is not done, then occasional corrupted reads from - * the expansion ROM will be seen, and the BIOS may complain - * about a ROM checksum error. - */ - pci_remove ( pci ); - DBG ( "BOFM: " PCI_FMT " removed\n", PCI_ARGS ( pci ) ); -} - -/** - * Locate BOFM table section - * - * @v bofmtab BOFM table - * @v len Length of BOFM table - * @v magic Section magic - * @v bofmsec BOFM section header to fill in - * @ret offset Offset to section, or 0 if not found - */ -static size_t bofm_locate_section ( userptr_t bofmtab, size_t len, - uint32_t magic, - struct bofm_section_header *bofmsec ) { - size_t offset = sizeof ( struct bofm_global_header ); - - while ( offset < len ) { - copy_from_user ( bofmsec, bofmtab, offset, - sizeof ( *bofmsec ) ); - if ( bofmsec->magic == magic ) - return offset; - if ( bofmsec->magic == BOFM_DONE_MAGIC ) - break; - offset += ( sizeof ( *bofmsec ) + bofmsec->length ); - } - return 0; -} - -/** - * Process BOFM Ethernet parameter entry - * - * @v bofm BOFM device - * @v en EN parameter entry - * @ret rc Return status code - */ -static int bofm_en ( struct bofm_device *bofm, struct bofm_en *en ) { - uint8_t mac[6]; - int rc; - - /* Retrieve current MAC address */ - if ( ( rc = bofm->op->harvest ( bofm, en->mport, mac ) ) != 0 ) { - DBG ( "BOFM: " PCI_FMT " mport %d could not harvest: %s\n", - PCI_ARGS ( bofm->pci ), en->mport, strerror ( rc ) ); - return rc; - } - - /* Harvest MAC address if necessary */ - if ( en->options & BOFM_EN_RQ_HVST_MASK ) { - DBG ( "BOFM: " PCI_FMT " mport %d harvested MAC %s\n", - PCI_ARGS ( bofm->pci ), en->mport, eth_ntoa ( mac ) ); - memcpy ( en->mac_a, mac, sizeof ( en->mac_a ) ); - en->options |= ( BOFM_EN_EN_A | BOFM_EN_HVST ); - } - - /* Mark as changed if necessary */ - if ( ( en->options & BOFM_EN_EN_A ) && - ( memcmp ( en->mac_a, mac, sizeof ( en->mac_a ) ) != 0 ) ) { - DBG ( "BOFM: " PCI_FMT " mport %d MAC %s", - PCI_ARGS ( bofm->pci ), en->mport, eth_ntoa ( mac ) ); - DBG ( " changed to %s\n", eth_ntoa ( en->mac_a ) ); - en->options |= BOFM_EN_CHG_CHANGED; - } - - /* Apply MAC address if necessary */ - if ( ( en->options & BOFM_EN_EN_A ) && - ( en->options & BOFM_EN_USAGE_ENTRY ) && - ( ! ( en->options & BOFM_EN_USAGE_HARVEST ) ) ) { - DBG ( "BOFM: " PCI_FMT " mport %d applied MAC %s\n", - PCI_ARGS ( bofm->pci ), en->mport, - eth_ntoa ( en->mac_a ) ); - memcpy ( mac, en->mac_a, sizeof ( mac ) ); - } - - /* Store MAC address */ - if ( ( rc = bofm->op->update ( bofm, en->mport, mac ) ) != 0 ) { - DBG ( "BOFM: " PCI_FMT " mport %d could not update: %s\n", - PCI_ARGS ( bofm->pci ), en->mport, strerror ( rc ) ); - return rc; - } - - return 0; -} - -/** - * Process BOFM table - * - * @v bofmtab BOFM table - * @v pci PCI device - * @ret bofmrc BOFM return status - */ -int bofm ( userptr_t bofmtab, struct pci_device *pci ) { - struct bofm_global_header bofmhdr; - struct bofm_section_header bofmsec; - struct bofm_en en; - struct bofm_device *bofm; - size_t en_region_offset; - size_t en_offset; - int skip; - int rc; - int bofmrc; - - /* Read BOFM structure */ - copy_from_user ( &bofmhdr, bofmtab, 0, sizeof ( bofmhdr ) ); - if ( bofmhdr.magic != BOFM_IOAA_MAGIC ) { - DBG ( "BOFM: invalid table signature " BOFM_MAGIC_FMT "\n", - BOFM_MAGIC_ARGS ( bofmhdr.magic ) ); - bofmrc = BOFM_ERR_INVALID_ACTION; - goto err_bad_signature; - } - DBG ( "BOFM: " BOFM_MAGIC_FMT " (profile \"%s\")\n", - BOFM_MAGIC_ARGS ( bofmhdr.action ), bofmhdr.profile ); - - /* Determine whether or not we should skip normal POST - * initialisation. - */ - switch ( bofmhdr.action ) { - case BOFM_ACTION_UPDT: - case BOFM_ACTION_DFLT: - case BOFM_ACTION_HVST: - skip = BOFM_SKIP_INIT; - break; - case BOFM_ACTION_PARM: - case BOFM_ACTION_NONE: - skip = 0; - break; - default: - DBG ( "BOFM: invalid action " BOFM_MAGIC_FMT "\n", - BOFM_MAGIC_ARGS ( bofmhdr.action ) ); - bofmrc = BOFM_ERR_INVALID_ACTION; - goto err_bad_action; - } - - /* Find BOFM driver */ - if ( ( rc = bofm_find_driver ( pci ) ) != 0 ) { - DBG ( "BOFM: " PCI_FMT " has no driver\n", PCI_ARGS ( pci ) ); - bofmrc = BOFM_ERR_DEVICE_ERROR; - goto err_find_driver; - } - - /* Probe driver for PCI device */ - if ( ( rc = bofm_probe ( pci ) ) != 0 ) { - bofmrc = BOFM_ERR_DEVICE_ERROR; - goto err_probe; - } - - /* Locate EN section, if present */ - en_region_offset = bofm_locate_section ( bofmtab, bofmhdr.length, - BOFM_EN_MAGIC, &bofmsec ); - if ( ! en_region_offset ) { - DBG ( "BOFM: No EN section found\n" ); - bofmrc = ( BOFM_SUCCESS | skip ); - goto err_no_en_section; - } - - /* Iterate through EN entries */ - for ( en_offset = ( en_region_offset + sizeof ( bofmsec ) ) ; - en_offset < ( en_region_offset + sizeof ( bofmsec ) + - bofmsec.length ) ; en_offset += sizeof ( en ) ) { - copy_from_user ( &en, bofmtab, en_offset, sizeof ( en ) ); - DBG2 ( "BOFM: EN entry found:\n" ); - DBG2_HDA ( en_offset, &en, sizeof ( en ) ); - if ( ( en.options & BOFM_EN_MAP_MASK ) != BOFM_EN_MAP_PFA ) { - DBG ( "BOFM: slot %d port %d has no PCI mapping\n", - en.slot, ( en.port + 1 ) ); - continue; - } - DBG ( "BOFM: slot %d port %d%s is " PCI_FMT " mport %d\n", - en.slot, ( en.port + 1 ), - ( ( en.slot || en.port ) ? "" : "(?)" ), - PCI_BUS ( en.busdevfn ), PCI_SLOT ( en.busdevfn ), - PCI_FUNC ( en.busdevfn ), en.mport ); - bofm = bofm_find_busdevfn ( en.busdevfn ); - if ( ! bofm ) { - DBG ( "BOFM: " PCI_FMT " mport %d ignored\n", - PCI_BUS ( en.busdevfn ), PCI_SLOT ( en.busdevfn ), - PCI_FUNC ( en.busdevfn ), en.mport ); - continue; - } - if ( ( rc = bofm_en ( bofm, &en ) ) == 0 ) { - en.options |= BOFM_EN_CSM_SUCCESS; - } else { - en.options |= BOFM_EN_CSM_FAILED; - } - DBG2 ( "BOFM: EN entry after processing:\n" ); - DBG2_HDA ( en_offset, &en, sizeof ( en ) ); - copy_to_user ( bofmtab, en_offset, &en, sizeof ( en ) ); - } - - bofmrc = ( BOFM_SUCCESS | skip ); - - err_no_en_section: - bofm_remove ( pci ); - err_probe: - err_find_driver: - err_bad_action: - err_bad_signature: - return bofmrc; -} |