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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/drivers/nvs/nvs.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/nvs/nvs.c')
-rw-r--r--qemu/roms/ipxe/src/drivers/nvs/nvs.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/qemu/roms/ipxe/src/drivers/nvs/nvs.c b/qemu/roms/ipxe/src/drivers/nvs/nvs.c
deleted file mode 100644
index af7c466c4..000000000
--- a/qemu/roms/ipxe/src/drivers/nvs/nvs.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (C) 2006 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 <assert.h>
-#include <ipxe/nvs.h>
-
-/** @file
- *
- * Non-volatile storage
- *
- */
-
-/**
- * Calculate length up to next block boundary
- *
- * @v nvs NVS device
- * @v address Starting address
- * @v max_len Maximum length
- * @ret len Length to use, stopping at block boundaries
- */
-static size_t nvs_frag_len ( struct nvs_device *nvs, unsigned int address,
- size_t max_len ) {
- size_t frag_len;
-
- /* If there are no block boundaries, return the maximum length */
- if ( ! nvs->block_size )
- return max_len;
-
- /* Calculate space remaining up to next block boundary */
- frag_len = ( ( nvs->block_size -
- ( address & ( nvs->block_size - 1 ) ) )
- << nvs->word_len_log2 );
-
- /* Limit to maximum length */
- if ( max_len < frag_len )
- return max_len;
-
- return frag_len;
-}
-
-/**
- * Read from non-volatile storage device
- *
- * @v nvs NVS device
- * @v address Address from which to read
- * @v data Data buffer
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-int nvs_read ( struct nvs_device *nvs, unsigned int address,
- void *data, size_t len ) {
- size_t frag_len;
- int rc;
-
- /* We don't even attempt to handle buffer lengths that aren't
- * an integral number of words.
- */
- assert ( ( len & ( ( 1 << nvs->word_len_log2 ) - 1 ) ) == 0 );
-
- while ( len ) {
-
- /* Calculate length to read, stopping at block boundaries */
- frag_len = nvs_frag_len ( nvs, address, len );
-
- /* Read this portion of the buffer from the device */
- if ( ( rc = nvs->read ( nvs, address, data, frag_len ) ) != 0 )
- return rc;
-
- /* Update parameters */
- data += frag_len;
- address += ( frag_len >> nvs->word_len_log2 );
- len -= frag_len;
- }
-
- return 0;
-}
-
-/**
- * Verify content of non-volatile storage device
- *
- * @v nvs NVS device
- * @v address Address from which to read
- * @v data Data to compare against
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-static int nvs_verify ( struct nvs_device *nvs, unsigned int address,
- const void *data, size_t len ) {
- uint8_t read_data[len];
- int rc;
-
- /* Read data into temporary buffer */
- if ( ( rc = nvs_read ( nvs, address, read_data, len ) ) != 0 )
- return rc;
-
- /* Compare data */
- if ( memcmp ( data, read_data, len ) != 0 ) {
- DBG ( "NVS %p verification failed at %#04x+%zd\n",
- nvs, address, len );
- return -EIO;
- }
-
- return 0;
-}
-
-/**
- * Write to non-volatile storage device
- *
- * @v nvs NVS device
- * @v address Address to which to write
- * @v data Data buffer
- * @v len Length of data buffer
- * @ret rc Return status code
- */
-int nvs_write ( struct nvs_device *nvs, unsigned int address,
- const void *data, size_t len ) {
- size_t frag_len;
- int rc;
-
- /* We don't even attempt to handle buffer lengths that aren't
- * an integral number of words.
- */
- assert ( ( len & ( ( 1 << nvs->word_len_log2 ) - 1 ) ) == 0 );
-
- while ( len ) {
-
- /* Calculate length to write, stopping at block boundaries */
- frag_len = nvs_frag_len ( nvs, address, len );
-
- /* Write this portion of the buffer to the device */
- if ( ( rc = nvs->write ( nvs, address, data, frag_len ) ) != 0)
- return rc;
-
- /* Read back and verify data */
- if ( ( rc = nvs_verify ( nvs, address, data, frag_len ) ) != 0)
- return rc;
-
- /* Update parameters */
- data += frag_len;
- address += ( frag_len >> nvs->word_len_log2 );
- len -= frag_len;
- }
-
- return 0;
-}