diff options
author | RajithaY <rajithax.yerrumsetty@intel.com> | 2017-04-25 03:31:15 -0700 |
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committer | Rajitha Yerrumchetty <rajithax.yerrumsetty@intel.com> | 2017-05-22 06:48:08 +0000 |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/ipxe/src/core/fault.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (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/core/fault.c')
-rw-r--r-- | qemu/roms/ipxe/src/core/fault.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/qemu/roms/ipxe/src/core/fault.c b/qemu/roms/ipxe/src/core/fault.c deleted file mode 100644 index 63d3ccacf..000000000 --- a/qemu/roms/ipxe/src/core/fault.c +++ /dev/null @@ -1,82 +0,0 @@ -/* - * Copyright (C) 2015 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 <stdlib.h> -#include <errno.h> -#include <ipxe/fault.h> - -/** @file - * - * Fault injection - * - */ - -/** - * Inject fault with a specified probability - * - * @v rate Reciprocal of fault probability (must be non-zero) - * @ret rc Return status code - */ -int inject_fault_nonzero ( unsigned int rate ) { - - /* Do nothing unless we want to inject a fault now */ - if ( ( random() % rate ) != 0 ) - return 0; - - /* Generate error number here so that faults can be injected - * into files that don't themselves have error file - * identifiers (via errfile.h). - */ - return -EFAULT; -} - -/** - * Corrupt data with a specified probability - * - * @v rate Reciprocal of fault probability (must be non-zero) - * @v data Data - * @v len Length of data - * @ret rc Return status code - */ -void inject_corruption_nonzero ( unsigned int rate, const void *data, - size_t len ) { - uint8_t *writable; - size_t offset; - - /* Do nothing if we have no data to corrupt */ - if ( ! len ) - return; - - /* Do nothing unless we want to inject a fault now */ - if ( ! inject_fault_nonzero ( rate ) ) - return; - - /* Get a writable pointer to the nominally read-only data */ - writable = ( ( uint8_t * ) data ); - - /* Pick a random victim byte and zap it */ - offset = ( random() % len ); - writable[offset] ^= random(); -} |