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Diffstat (limited to 'qemu/roms/ipxe/src/drivers/nvs/nvsvpd.c')
-rw-r--r--qemu/roms/ipxe/src/drivers/nvs/nvsvpd.c238
1 files changed, 0 insertions, 238 deletions
diff --git a/qemu/roms/ipxe/src/drivers/nvs/nvsvpd.c b/qemu/roms/ipxe/src/drivers/nvs/nvsvpd.c
deleted file mode 100644
index 3e88531c7..000000000
--- a/qemu/roms/ipxe/src/drivers/nvs/nvsvpd.c
+++ /dev/null
@@ -1,238 +0,0 @@
-/*
- * Copyright (C) 2010 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 <stdio.h>
-#include <errno.h>
-#include <ipxe/nvs.h>
-#include <ipxe/pci.h>
-#include <ipxe/pcivpd.h>
-#include <ipxe/nvo.h>
-#include <ipxe/nvsvpd.h>
-
-/** @file
- *
- * Non-Volatile Storage using Vital Product Data
- *
- */
-
-/**
- * Read from VPD field
- *
- * @v nvs NVS device
- * @v field VPD field descriptor
- * @v data Data buffer
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-static int nvs_vpd_read ( struct nvs_device *nvs, unsigned int field,
- void *data, size_t len ) {
- struct nvs_vpd_device *nvsvpd =
- container_of ( nvs, struct nvs_vpd_device, nvs );
- struct pci_device *pci = nvsvpd->vpd.pci;
- unsigned int address;
- size_t max_len;
- int rc;
-
- /* Allow reading non-existent field */
- if ( len == 0 )
- return 0;
-
- /* Locate VPD field */
- if ( ( rc = pci_vpd_find ( &nvsvpd->vpd, field, &address,
- &max_len ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD could not locate field "
- PCI_VPD_FIELD_FMT ": %s\n", PCI_ARGS ( pci ),
- PCI_VPD_FIELD_ARGS ( field ), strerror ( rc ) );
- return rc;
- }
-
- /* Sanity check */
- if ( len > max_len ) {
- DBGC ( pci, PCI_FMT " NVS VPD cannot read %#02zx bytes "
- "beyond field " PCI_VPD_FIELD_FMT " at [%04x,%04zx)\n",
- PCI_ARGS ( pci ), len, PCI_VPD_FIELD_ARGS ( field ),
- address, ( address + max_len ) );
- return -ENXIO;
- }
-
- /* Read from VPD field */
- if ( ( rc = pci_vpd_read ( &nvsvpd->vpd, address, data, len ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD could not read field "
- PCI_VPD_FIELD_FMT " at [%04x,%04zx): %s\n",
- PCI_ARGS ( pci ), PCI_VPD_FIELD_ARGS ( field ),
- address, ( address + len ), strerror ( rc ) );
- return rc;
- }
-
- return 0;
-}
-
-/**
- * Write to VPD field
- *
- * @v nvs NVS device
- * @v field VPD field descriptor
- * @v data Data buffer
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-static int nvs_vpd_write ( struct nvs_device *nvs, unsigned int field,
- const void *data, size_t len ) {
- struct nvs_vpd_device *nvsvpd =
- container_of ( nvs, struct nvs_vpd_device, nvs );
- struct pci_device *pci = nvsvpd->vpd.pci;
- unsigned int address;
- size_t max_len;
- int rc;
-
- /* Locate VPD field */
- if ( ( rc = pci_vpd_find ( &nvsvpd->vpd, field, &address,
- &max_len ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD could not locate field "
- PCI_VPD_FIELD_FMT ": %s\n", PCI_ARGS ( pci ),
- PCI_VPD_FIELD_ARGS ( field ), strerror ( rc ) );
- return rc;
- }
-
- /* Sanity check */
- if ( len > max_len ) {
- DBGC ( pci, PCI_FMT " NVS VPD cannot write %#02zx bytes "
- "beyond field " PCI_VPD_FIELD_FMT " at [%04x,%04zx)\n",
- PCI_ARGS ( pci ), len, PCI_VPD_FIELD_ARGS ( field ),
- address, ( address + max_len ) );
- return -ENXIO;
- }
-
- /* Write field */
- if ( ( rc = pci_vpd_write ( &nvsvpd->vpd, address, data,
- len ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD could not write field "
- PCI_VPD_FIELD_FMT " at [%04x,%04zx): %s\n",
- PCI_ARGS ( pci ), PCI_VPD_FIELD_ARGS ( field ),
- address, ( address + len ), strerror ( rc ) );
- return rc;
- }
-
- return 0;
-}
-
-/**
- * Resize VPD field
- *
- * @v nvs NVS device
- * @v field VPD field descriptor
- * @v data Data buffer
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-static int nvs_vpd_resize ( struct nvs_device *nvs, unsigned int field,
- size_t len ) {
- struct nvs_vpd_device *nvsvpd =
- container_of ( nvs, struct nvs_vpd_device, nvs );
- struct pci_device *pci = nvsvpd->vpd.pci;
- unsigned int address;
- int rc;
-
- /* Resize field */
- if ( ( rc = pci_vpd_resize ( &nvsvpd->vpd, field, len,
- &address ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD could not resize field "
- PCI_VPD_FIELD_FMT " to %#02zx bytes: %s\n",
- PCI_ARGS ( pci ), PCI_VPD_FIELD_ARGS ( field ),
- len, strerror ( rc ) );
- return rc;
- }
-
- return 0;
-}
-
-/**
- * Initialise NVS VPD device
- *
- * @v nvsvpd NVS VPD device
- * @v pci PCI device
- * @ret rc Return status code
- */
-int nvs_vpd_init ( struct nvs_vpd_device *nvsvpd, struct pci_device *pci ) {
- int rc;
-
- /* Initialise VPD device */
- if ( ( rc = pci_vpd_init ( &nvsvpd->vpd, pci ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS could not initialise "
- "VPD: %s\n", PCI_ARGS ( pci ), strerror ( rc ) );
- return rc;
- }
-
- /* Initialise NVS device */
- nvsvpd->nvs.read = nvs_vpd_read;
- nvsvpd->nvs.write = nvs_vpd_write;
-
- return 0;
-}
-
-/**
- * Resize non-volatile option storage within NVS VPD device
- *
- * @v nvo Non-volatile options block
- * @v len New length
- * @ret rc Return status code
- */
-static int nvs_vpd_nvo_resize ( struct nvo_block *nvo, size_t len ) {
- int rc;
-
- /* Resize VPD field */
- if ( ( rc = nvs_vpd_resize ( nvo->nvs, nvo->address, len ) ) != 0 )
- return rc;
-
- return 0;
-}
-
-/**
- * Initialise non-volatile option storage within NVS VPD device
- *
- * @v nvsvpd NVS VPD device
- * @v field VPD field descriptor
- * @v nvo Non-volatile options block
- * @v refcnt Containing object reference counter, or NULL
- */
-void nvs_vpd_nvo_init ( struct nvs_vpd_device *nvsvpd, unsigned int field,
- struct nvo_block *nvo, struct refcnt *refcnt ) {
- struct pci_device *pci = nvsvpd->vpd.pci;
- unsigned int address;
- size_t len;
- int rc;
-
- /* Locate VPD field, if present */
- if ( ( rc = pci_vpd_find ( &nvsvpd->vpd, field, &address,
- &len ) ) != 0 ) {
- DBGC ( pci, PCI_FMT " NVS VPD field " PCI_VPD_FIELD_FMT
- " not present; assuming empty\n",
- PCI_ARGS ( pci ), PCI_VPD_FIELD_ARGS ( field ) );
- len = 0;
- }
-
- /* Initialise non-volatile options block */
- nvo_init ( nvo, &nvsvpd->nvs, field, len, nvs_vpd_nvo_resize, refcnt );
-}