qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2025-04-21 12:27:27 +03:00
Code Activity

rename target/linux/generic-2.6 to generic

Browse Source 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2010-06-26 20:42:58 +00:00
parent 7ec88f88f4
commit c5552ad039
1042 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

119
target/linux/generic/files/crypto/ocf/ep80579/Makefile Normal file
View File

@@ -0,0 +1,119 @@
#########################################################################
#
# Targets supported
# all - builds everything and installs
# install - identical to all
# depend - build dependencies
# clean - clears derived objects except the .depend files
# distclean- clears all derived objects and the .depend file
#
# @par
# This file is provided under a dual BSD/GPLv2 license. When using or
# redistributing this file, you may do so under either license.
#
# GPL LICENSE SUMMARY
#
# Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
# The full GNU General Public License is included in this distribution
# in the file called LICENSE.GPL.
#
# Contact Information:
# Intel Corporation
#
# BSD LICENSE
#
# Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#
# version: Security.L.1.0.2-229
############################################################################
####################Common variables and definitions########################
ifndef ICP_ROOT
$(warning ICP_ROOT is undefined. Please set the path to EP80579 release package directory \
"-> setenv ICP_ROOT <path>")
all fastdep:
:
else
ifndef KERNEL_SOURCE_ROOT
$(error KERNEL_SOURCE_ROOT is undefined. Please set the path to the kernel source directory \
"-> setenv KERNEL_SOURCE_ROOT <path>")
endif
# Ensure The ENV_DIR environmental var is defined.
ifndef ICP_ENV_DIR
$(error ICP_ENV_DIR is undefined. Please set the path to EP80579 driver environment.mk file \
"-> setenv ICP_ENV_DIR <path>")
endif
#Add your project environment Makefile
include ${ICP_ENV_DIR}/environment.mk
#include the makefile with all the default and common Make variable definitions
include ${ICP_BUILDSYSTEM_PATH}/build_files/common.mk
#Add the name for the executable, Library or Module output definitions
OUTPUT_NAME= icp_ocf
# List of Source Files to be compiled
SOURCES= icp_common.c icp_sym.c icp_asym.c icp_ocf_linux.c
#common includes between all supported OSes
INCLUDES= -I ${ICP_API_DIR} -I${ICP_LAC_API} \
-I${ICP_OCF_SRC_DIR}
# The location of the os level makefile needs to be changed.
include ${ICP_ENV_DIR}/${ICP_OS}_${ICP_OS_LEVEL}.mk
# On the line directly below list the outputs you wish to build for,
# e.g "lib_static lib_shared exe module" as shown below
install: module
###################Include rules makefiles########################
include ${ICP_BUILDSYSTEM_PATH}/build_files/rules.mk
###################End of Rules inclusion#########################
endif

1334
target/linux/generic/files/crypto/ocf/ep80579/icp_asym.c Normal file
View File

File diff suppressed because it is too large Load Diff

773
target/linux/generic/files/crypto/ocf/ep80579/icp_common.c Normal file
View File

@@ -0,0 +1,773 @@
/*************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Corporation
*
* BSD LICENSE
*
* Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* version: Security.L.1.0.2-229
*
***************************************************************************/
/*
* An OCF module that uses Intel® QuickAssist Integrated Accelerator to do the
* crypto.
*
* This driver requires the ICP Access Library that is available from Intel in
* order to operate.
*/
#include "icp_ocf.h"
#define ICP_OCF_COMP_NAME "ICP_OCF"
#define ICP_OCF_VER_MAIN (2)
#define ICP_OCF_VER_MJR (1)
#define ICP_OCF_VER_MNR (0)
#define MAX_DEREG_RETRIES (100)
#define DEFAULT_DEREG_RETRIES (10)
#define DEFAULT_DEREG_DELAY_IN_JIFFIES (10)
/* This defines the maximum number of sessions possible between OCF
and the OCF EP80579 Driver. If set to zero, there is no limit. */
#define DEFAULT_OCF_TO_DRV_MAX_SESSION_COUNT (0)
#define NUM_SUPPORTED_CAPABILITIES (21)
/*Slab zone names*/
#define ICP_SESSION_DATA_NAME "icp_ocf.SesDat"
#define ICP_OP_DATA_NAME "icp_ocf.OpDat"
#define ICP_DH_NAME "icp_ocf.DH"
#define ICP_MODEXP_NAME "icp_ocf.ModExp"
#define ICP_RSA_DECRYPT_NAME "icp_ocf.RSAdec"
#define ICP_RSA_PKEY_NAME "icp_ocf.RSApk"
#define ICP_DSA_SIGN_NAME "icp_ocf.DSAsg"
#define ICP_DSA_VER_NAME "icp_ocf.DSAver"
#define ICP_RAND_VAL_NAME "icp_ocf.DSArnd"
#define ICP_FLAT_BUFF_NAME "icp_ocf.FB"
/*Slabs zones*/
icp_kmem_cache drvSessionData_zone = NULL;
icp_kmem_cache drvOpData_zone = NULL;
icp_kmem_cache drvDH_zone = NULL;
icp_kmem_cache drvLnModExp_zone = NULL;
icp_kmem_cache drvRSADecrypt_zone = NULL;
icp_kmem_cache drvRSAPrivateKey_zone = NULL;
icp_kmem_cache drvDSARSSign_zone = NULL;
icp_kmem_cache drvDSARSSignKValue_zone = NULL;
icp_kmem_cache drvDSAVerify_zone = NULL;
/*Slab zones for flatbuffers and bufferlist*/
icp_kmem_cache drvFlatBuffer_zone = NULL;
static inline int icp_cache_null_check(void)
{
return (drvSessionData_zone && drvOpData_zone
&& drvDH_zone && drvLnModExp_zone && drvRSADecrypt_zone
&& drvRSAPrivateKey_zone && drvDSARSSign_zone
&& drvDSARSSign_zone && drvDSARSSignKValue_zone
&& drvDSAVerify_zone && drvFlatBuffer_zone);
}
/*Function to free all allocated slab caches before exiting the module*/
static void icp_ocfDrvFreeCaches(void);
int32_t icp_ocfDrvDriverId = INVALID_DRIVER_ID;
/* Module parameter - gives the number of times LAC deregistration shall be
re-tried */
int num_dereg_retries = DEFAULT_DEREG_RETRIES;
/* Module parameter - gives the delay time in jiffies before a LAC session
shall be attempted to be deregistered again */
int dereg_retry_delay_in_jiffies = DEFAULT_DEREG_DELAY_IN_JIFFIES;
/* Module parameter - gives the maximum number of sessions possible between
OCF and the OCF EP80579 Driver. If set to zero, there is no limit.*/
int max_sessions = DEFAULT_OCF_TO_DRV_MAX_SESSION_COUNT;
/* This is set when the module is removed from the system, no further
processing can take place if this is set */
icp_atomic_t icp_ocfDrvIsExiting = ICP_ATOMIC_INIT(0);
/* This is used to show how many lac sessions were not deregistered*/
icp_atomic_t lac_session_failed_dereg_count = ICP_ATOMIC_INIT(0);
/* This is used to track the number of registered sessions between OCF and
* and the OCF EP80579 driver, when max_session is set to value other than
* zero. This ensures that the max_session set for the OCF and the driver
* is equal to the LAC registered sessions */
icp_atomic_t num_ocf_to_drv_registered_sessions = ICP_ATOMIC_INIT(0);
/* Head of linked list used to store session data */
icp_drvSessionListHead_t icp_ocfDrvGlobalSymListHead;
icp_drvSessionListHead_t icp_ocfDrvGlobalSymListHead_FreeMemList;
icp_spinlock_t icp_ocfDrvSymSessInfoListSpinlock;
/*Below pointer is only used in linux, FreeBSD uses the name to
create its own variable name*/
icp_workqueue *icp_ocfDrvFreeLacSessionWorkQ = NULL;
ICP_WORKQUEUE_DEFINE_THREAD(icp_ocfDrvFreeLacSessionWorkQ);
struct icp_drvBuffListInfo defBuffListInfo;
/* Name : icp_ocfDrvInit
*
* Description : This function will register all the symmetric and asymmetric
* functionality that will be accelerated by the hardware. It will also
* get a unique driver ID from the OCF and initialise all slab caches
*/
ICP_MODULE_INIT_FUNC(icp_ocfDrvInit)
{
int ocfStatus = 0;
IPRINTK("=== %s ver %d.%d.%d ===\n", ICP_OCF_COMP_NAME,
ICP_OCF_VER_MAIN, ICP_OCF_VER_MJR, ICP_OCF_VER_MNR);
if (MAX_DEREG_RETRIES < num_dereg_retries) {
EPRINTK("Session deregistration retry count set to greater "
"than %d", MAX_DEREG_RETRIES);
icp_module_return_code(EINVAL);
}
/* Initialize and Start the Cryptographic component */
if (CPA_STATUS_SUCCESS !=
cpaCyStartInstance(CPA_INSTANCE_HANDLE_SINGLE)) {
EPRINTK("Failed to initialize and start the instance "
"of the Cryptographic component.\n");
return icp_module_return_code(EINVAL);
}
icp_spin_lock_init(&icp_ocfDrvSymSessInfoListSpinlock);
/* Set the default size of BufferList to allocate */
memset(&defBuffListInfo, 0, sizeof(struct icp_drvBuffListInfo));
if (ICP_OCF_DRV_STATUS_SUCCESS !=
icp_ocfDrvBufferListMemInfo(ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS,
&defBuffListInfo)) {
EPRINTK("Failed to get bufferlist memory info.\n");
return icp_module_return_code(ENOMEM);
}
/*Register OCF EP80579 Driver with OCF */
icp_ocfDrvDriverId = ICP_CRYPTO_GET_DRIVERID();
if (icp_ocfDrvDriverId < 0) {
EPRINTK("%s : ICP driver failed to register with OCF!\n",
__FUNCTION__);
return icp_module_return_code(ENODEV);
}
/*Create all the slab caches used by the OCF EP80579 Driver */
drvSessionData_zone =
ICP_CACHE_CREATE(ICP_SESSION_DATA_NAME, struct icp_drvSessionData);
/*
* Allocation of the OpData includes the allocation space for meta data.
* The memory after the opData structure is reserved for this meta data.
*/
drvOpData_zone =
icp_kmem_cache_create(ICP_OP_DATA_NAME,
sizeof(struct icp_drvOpData) +
defBuffListInfo.metaSize,
ICP_KERNEL_CACHE_ALIGN,
ICP_KERNEL_CACHE_NOINIT);
drvDH_zone = ICP_CACHE_CREATE(ICP_DH_NAME, CpaCyDhPhase1KeyGenOpData);
drvLnModExp_zone =
ICP_CACHE_CREATE(ICP_MODEXP_NAME, CpaCyLnModExpOpData);
drvRSADecrypt_zone =
ICP_CACHE_CREATE(ICP_RSA_DECRYPT_NAME, CpaCyRsaDecryptOpData);
drvRSAPrivateKey_zone =
ICP_CACHE_CREATE(ICP_RSA_PKEY_NAME, CpaCyRsaPrivateKey);
drvDSARSSign_zone =
ICP_CACHE_CREATE(ICP_DSA_SIGN_NAME, CpaCyDsaRSSignOpData);
/*too awkward to use a macro here */
drvDSARSSignKValue_zone =
ICP_CACHE_CREATE(ICP_RAND_VAL_NAME,
DSA_RS_SIGN_PRIMEQ_SIZE_IN_BYTES);
drvDSAVerify_zone =
ICP_CACHE_CREATE(ICP_DSA_VER_NAME, CpaCyDsaVerifyOpData);
drvFlatBuffer_zone =
ICP_CACHE_CREATE(ICP_FLAT_BUFF_NAME, CpaFlatBuffer);
if (0 == icp_cache_null_check()) {
icp_ocfDrvFreeCaches();
EPRINTK("%s() line %d: Not enough memory!\n",
__FUNCTION__, __LINE__);
return ENOMEM;
}
/* Register the ICP symmetric crypto support. */
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_NULL_CBC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_DES_CBC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_3DES_CBC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_AES_CBC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_ARC4, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_MD5, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_MD5_HMAC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA1, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA1_HMAC, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_256, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_256_HMAC,
ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_384, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_384_HMAC,
ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_512, ocfStatus);
ICP_REG_SYM_WITH_OCF(icp_ocfDrvDriverId, CRYPTO_SHA2_512_HMAC,
ocfStatus);
/* Register the ICP asymmetric algorithm support */
ICP_REG_ASYM_WITH_OCF(icp_ocfDrvDriverId, CRK_DH_COMPUTE_KEY,
ocfStatus);
ICP_REG_ASYM_WITH_OCF(icp_ocfDrvDriverId, CRK_MOD_EXP, ocfStatus);
ICP_REG_ASYM_WITH_OCF(icp_ocfDrvDriverId, CRK_MOD_EXP_CRT, ocfStatus);
ICP_REG_ASYM_WITH_OCF(icp_ocfDrvDriverId, CRK_DSA_SIGN, ocfStatus);
ICP_REG_ASYM_WITH_OCF(icp_ocfDrvDriverId, CRK_DSA_VERIFY, ocfStatus);
/* Register the ICP random number generator support */
ICP_REG_RAND_WITH_OCF(icp_ocfDrvDriverId,
icp_ocfDrvReadRandom, NULL, ocfStatus);
if (OCF_ZERO_FUNCTIONALITY_REGISTERED == ocfStatus) {
DPRINTK("%s: Failed to register any device capabilities\n",
__FUNCTION__);
icp_ocfDrvFreeCaches();
icp_ocfDrvDriverId = INVALID_DRIVER_ID;
return icp_module_return_code(ECANCELED);
}
DPRINTK("%s: Registered %d of %d device capabilities\n",
__FUNCTION__, ocfStatus, NUM_SUPPORTED_CAPABILITIES);
/*Session data linked list used during module exit */
ICP_INIT_LIST_HEAD(&icp_ocfDrvGlobalSymListHead);
ICP_INIT_LIST_HEAD(&icp_ocfDrvGlobalSymListHead_FreeMemList);
ICP_WORKQUEUE_CREATE(icp_ocfDrvFreeLacSessionWorkQ, "icpwq");
if (ICP_WORKQUEUE_NULL_CHECK(icp_ocfDrvFreeLacSessionWorkQ)) {
EPRINTK("%s: Failed to create single "
"thread workqueue\n", __FUNCTION__);
icp_ocfDrvFreeCaches();
icp_ocfDrvDriverId = INVALID_DRIVER_ID;
return icp_module_return_code(ENOMEM);
}
return icp_module_return_code(0);
}
/* Name : icp_ocfDrvExit
*
* Description : This function will deregister all the symmetric sessions
* registered with the LAC component. It will also deregister all symmetric
* and asymmetric functionality that can be accelerated by the hardware via OCF
* and random number generation if it is enabled.
*/
ICP_MODULE_EXIT_FUNC(icp_ocfDrvExit)
{
CpaStatus lacStatus = CPA_STATUS_SUCCESS;
struct icp_drvSessionData *sessionData = NULL;
struct icp_drvSessionData *tempSessionData = NULL;
int i, remaining_delay_time_in_jiffies = 0;
/* For FreeBSD the invariant macro below makes function to return */
/* with EBUSY value in the case of any session which has been regi- */
/* stered with LAC not being deregistered. */
/* The Linux implementation is empty since it is purely to compensate */
/* for a limitation of the FreeBSD 7.1 Opencrypto framework. */
ICP_MODULE_EXIT_INV();
/* There is a possibility of a process or new session command being */
/* sent before this variable is incremented. The aim of this variable */
/* is to stop a loop of calls creating a deadlock situation which */
/* would prevent the driver from exiting. */
icp_atomic_set(&icp_ocfDrvIsExiting, 1);
/*Existing sessions will be routed to another driver after these calls */
crypto_unregister_all(icp_ocfDrvDriverId);
crypto_runregister_all(icp_ocfDrvDriverId);
if (ICP_WORKQUEUE_NULL_CHECK(icp_ocfDrvFreeLacSessionWorkQ)) {
DPRINTK("%s: workqueue already "
"destroyed, therefore module exit "
" function already called. Exiting.\n", __FUNCTION__);
return ICP_MODULE_EXIT_FUNC_RETURN_VAL;
}
/*If any sessions are waiting to be deregistered, do that. This also
flushes the work queue */
ICP_WORKQUEUE_DESTROY(icp_ocfDrvFreeLacSessionWorkQ);
/*ENTER CRITICAL SECTION */
icp_spin_lockbh_lock(&icp_ocfDrvSymSessInfoListSpinlock);
ICP_LIST_FOR_EACH_ENTRY_SAFE(tempSessionData, sessionData,
&icp_ocfDrvGlobalSymListHead, listNode) {
for (i = 0; i < num_dereg_retries; i++) {
/*No harm if bad input - LAC will handle error cases */
if (ICP_SESSION_RUNNING == tempSessionData->inUse) {
lacStatus =
cpaCySymRemoveSession
(CPA_INSTANCE_HANDLE_SINGLE,
tempSessionData->sessHandle);
if (CPA_STATUS_SUCCESS == lacStatus) {
/* Succesfully deregistered */
break;
} else if (CPA_STATUS_RETRY != lacStatus) {
icp_atomic_inc
(&lac_session_failed_dereg_count);
break;
}
/*schedule_timout returns the time left for completion if
* this task is set to TASK_INTERRUPTIBLE */
remaining_delay_time_in_jiffies =
dereg_retry_delay_in_jiffies;
while (0 > remaining_delay_time_in_jiffies) {
remaining_delay_time_in_jiffies =
icp_schedule_timeout
(&icp_ocfDrvSymSessInfoListSpinlock,
remaining_delay_time_in_jiffies);
}
DPRINTK
("%s(): Retry %d to deregistrate the session\n",
__FUNCTION__, i);
}
}
/*remove from current list */
ICP_LIST_DEL(tempSessionData, listNode);
/*add to free mem linked list */
ICP_LIST_ADD(tempSessionData,
&icp_ocfDrvGlobalSymListHead_FreeMemList,
listNode);
}
/*EXIT CRITICAL SECTION */
icp_spin_lockbh_unlock(&icp_ocfDrvSymSessInfoListSpinlock);
/*set back to initial values */
sessionData = NULL;
/*still have a reference in our list! */
tempSessionData = NULL;
/*free memory */
ICP_LIST_FOR_EACH_ENTRY_SAFE(tempSessionData, sessionData,
&icp_ocfDrvGlobalSymListHead_FreeMemList,
listNode) {
ICP_LIST_DEL(tempSessionData, listNode);
/* Free allocated CpaCySymSessionCtx */
if (NULL != tempSessionData->sessHandle) {
icp_kfree(tempSessionData->sessHandle);
}
memset(tempSessionData, 0, sizeof(struct icp_drvSessionData));
ICP_CACHE_FREE(drvSessionData_zone, tempSessionData);
}
if (0 != icp_atomic_read(&lac_session_failed_dereg_count)) {
DPRINTK("%s(): %d LAC sessions were not deregistered "
"correctly. This is not a clean exit! \n",
__FUNCTION__,
icp_atomic_read(&lac_session_failed_dereg_count));
}
icp_ocfDrvFreeCaches();
icp_ocfDrvDriverId = INVALID_DRIVER_ID;
icp_spin_lock_destroy(&icp_ocfDrvSymSessInfoListSpinlock);
/* Shutdown the Cryptographic component */
lacStatus = cpaCyStopInstance(CPA_INSTANCE_HANDLE_SINGLE);
if (CPA_STATUS_SUCCESS != lacStatus) {
DPRINTK("%s(): Failed to stop instance of the "
"Cryptographic component.(status == %d)\n",
__FUNCTION__, lacStatus);
}
return ICP_MODULE_EXIT_FUNC_RETURN_VAL;
}
/* Name : icp_ocfDrvFreeCaches
*
* Description : This function deregisters all slab caches
*/
static void icp_ocfDrvFreeCaches(void)
{
icp_atomic_set(&icp_ocfDrvIsExiting, 1);
/*Sym Zones */
ICP_CACHE_DESTROY(drvSessionData_zone);
ICP_CACHE_DESTROY(drvOpData_zone);
/*Asym zones */
ICP_CACHE_DESTROY(drvDH_zone);
ICP_CACHE_DESTROY(drvLnModExp_zone);
ICP_CACHE_DESTROY(drvRSADecrypt_zone);
ICP_CACHE_DESTROY(drvRSAPrivateKey_zone);
ICP_CACHE_DESTROY(drvDSARSSignKValue_zone);
ICP_CACHE_DESTROY(drvDSARSSign_zone);
ICP_CACHE_DESTROY(drvDSAVerify_zone);
/*FlatBuffer and BufferList Zones */
ICP_CACHE_DESTROY(drvFlatBuffer_zone);
}
/* Name : icp_ocfDrvDeregRetry
*
* Description : This function will try to farm the session deregistration
* off to a work queue. If it fails, nothing more can be done and it
* returns an error
*/
int icp_ocfDrvDeregRetry(CpaCySymSessionCtx sessionToDeregister)
{
struct icp_ocfDrvFreeLacSession *workstore = NULL;
DPRINTK("%s(): Retry - Deregistering session (%p)\n",
__FUNCTION__, sessionToDeregister);
/*make sure the session is not available to be allocated during this
process */
icp_atomic_inc(&lac_session_failed_dereg_count);
/*Farm off to work queue */
workstore =
icp_kmalloc(sizeof(struct icp_ocfDrvFreeLacSession), ICP_M_NOWAIT);
if (NULL == workstore) {
DPRINTK("%s(): unable to free session - no memory available "
"for work queue\n", __FUNCTION__);
return ENOMEM;
}
workstore->sessionToDeregister = sessionToDeregister;
icp_init_work(&(workstore->work),
icp_ocfDrvDeferedFreeLacSessionTaskFn, workstore);
ICP_WORKQUEUE_ENQUEUE(icp_ocfDrvFreeLacSessionWorkQ,
&(workstore->work));
return ICP_OCF_DRV_STATUS_SUCCESS;
}
/* Name : icp_ocfDrvDeferedFreeLacSessionProcess
*
* Description : This function will retry (module input parameter)
* 'num_dereg_retries' times to deregister any symmetric session that recieves a
* CPA_STATUS_RETRY message from the LAC component. This function is run in
* Thread context because it is called from a worker thread
*/
void icp_ocfDrvDeferedFreeLacSessionProcess(void *arg)
{
struct icp_ocfDrvFreeLacSession *workstore = NULL;
CpaCySymSessionCtx sessionToDeregister = NULL;
int i = 0;
int remaining_delay_time_in_jiffies = 0;
CpaStatus lacStatus = CPA_STATUS_SUCCESS;
workstore = (struct icp_ocfDrvFreeLacSession *)arg;
if (NULL == workstore) {
DPRINTK("%s() function called with null parameter \n",
__FUNCTION__);
return;
}
sessionToDeregister = workstore->sessionToDeregister;
icp_kfree(workstore);
/*if exiting, give deregistration one more blast only */
if (icp_atomic_read(&icp_ocfDrvIsExiting) == CPA_TRUE) {
lacStatus = cpaCySymRemoveSession(CPA_INSTANCE_HANDLE_SINGLE,
sessionToDeregister);
if (lacStatus != CPA_STATUS_SUCCESS) {
DPRINTK("%s() Failed to Dereg LAC session %p "
"during module exit\n", __FUNCTION__,
sessionToDeregister);
return;
}
icp_atomic_dec(&lac_session_failed_dereg_count);
return;
}
for (i = 0; i <= num_dereg_retries; i++) {
lacStatus = cpaCySymRemoveSession(CPA_INSTANCE_HANDLE_SINGLE,
sessionToDeregister);
if (lacStatus == CPA_STATUS_SUCCESS) {
icp_atomic_dec(&lac_session_failed_dereg_count);
return;
}
if (lacStatus != CPA_STATUS_RETRY) {
DPRINTK("%s() Failed to deregister session - lacStatus "
" = %d", __FUNCTION__, lacStatus);
break;
}
/*schedule_timout returns the time left for completion if this
task is set to TASK_INTERRUPTIBLE */
remaining_delay_time_in_jiffies = dereg_retry_delay_in_jiffies;
while (0 < remaining_delay_time_in_jiffies) {
remaining_delay_time_in_jiffies =
icp_schedule_timeout(NULL,
remaining_delay_time_in_jiffies);
}
}
DPRINTK("%s(): Unable to deregister session\n", __FUNCTION__);
DPRINTK("%s(): Number of unavailable LAC sessions = %d\n", __FUNCTION__,
icp_atomic_read(&lac_session_failed_dereg_count));
}
/* Name : icp_ocfDrvPtrAndLenToFlatBuffer
*
* Description : This function converts a "pointer and length" buffer
* structure to Fredericksburg Flat Buffer (CpaFlatBuffer) format.
*
* This function assumes that the data passed in are valid.
*/
inline void
icp_ocfDrvPtrAndLenToFlatBuffer(void *pData, uint32_t len,
CpaFlatBuffer * pFlatBuffer)
{
pFlatBuffer->pData = pData;
pFlatBuffer->dataLenInBytes = len;
}
/* Name : icp_ocfDrvPtrAndLenToBufferList
*
* Description : This function converts a "pointer and length" buffer
* structure to Fredericksburg Scatter/Gather Buffer (CpaBufferList) format.
*
* This function assumes that the data passed in are valid.
*/
inline void
icp_ocfDrvPtrAndLenToBufferList(void *pDataIn, uint32_t length,
CpaBufferList * pBufferList)
{
pBufferList->numBuffers = 1;
pBufferList->pBuffers->pData = pDataIn;
pBufferList->pBuffers->dataLenInBytes = length;
}
/* Name : icp_ocfDrvBufferListToPtrAndLen
*
* Description : This function converts Fredericksburg Scatter/Gather Buffer
* (CpaBufferList) format to a "pointer and length" buffer structure.
*
* This function assumes that the data passed in are valid.
*/
inline void
icp_ocfDrvBufferListToPtrAndLen(CpaBufferList * pBufferList,
void **ppDataOut, uint32_t * pLength)
{
*ppDataOut = pBufferList->pBuffers->pData;
*pLength = pBufferList->pBuffers->dataLenInBytes;
}
/* Name : icp_ocfDrvBufferListMemInfo
*
* Description : This function will set the number of flat buffers in
* bufferlist, the size of memory to allocate for the pPrivateMetaData
* member of the CpaBufferList.
*/
int
icp_ocfDrvBufferListMemInfo(uint16_t numBuffers,
struct icp_drvBuffListInfo *buffListInfo)
{
buffListInfo->numBuffers = numBuffers;
if (CPA_STATUS_SUCCESS !=
cpaCyBufferListGetMetaSize(CPA_INSTANCE_HANDLE_SINGLE,
buffListInfo->numBuffers,
&(buffListInfo->metaSize))) {
EPRINTK("%s() Failed to get buffer list meta size.\n",
__FUNCTION__);
return ICP_OCF_DRV_STATUS_FAIL;
}
return ICP_OCF_DRV_STATUS_SUCCESS;
}
/* Name : icp_ocfDrvFreeFlatBuffer
*
* Description : This function will deallocate flat buffer.
*/
inline void icp_ocfDrvFreeFlatBuffer(CpaFlatBuffer * pFlatBuffer)
{
if (pFlatBuffer != NULL) {
memset(pFlatBuffer, 0, sizeof(CpaFlatBuffer));
ICP_CACHE_FREE(drvFlatBuffer_zone, pFlatBuffer);
}
}
/* Name : icp_ocfDrvAllocMetaData
*
* Description : This function will allocate memory for the
* pPrivateMetaData member of CpaBufferList.
*/
inline int
icp_ocfDrvAllocMetaData(CpaBufferList * pBufferList,
struct icp_drvOpData *pOpData)
{
Cpa32U metaSize = 0;
if (pBufferList->numBuffers <= ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS) {
uint8_t *pOpDataStartAddr = (uint8_t *) pOpData;
if (0 == defBuffListInfo.metaSize) {
pBufferList->pPrivateMetaData = NULL;
return ICP_OCF_DRV_STATUS_SUCCESS;
}
/*
* The meta data allocation has been included as part of the
* op data. It has been pre-allocated in memory just after the
* icp_drvOpData structure.
*/
pBufferList->pPrivateMetaData = (void *)(pOpDataStartAddr +
sizeof(struct
icp_drvOpData));
} else {
if (CPA_STATUS_SUCCESS !=
cpaCyBufferListGetMetaSize(CPA_INSTANCE_HANDLE_SINGLE,
pBufferList->numBuffers,
&metaSize)) {
EPRINTK("%s() Failed to get buffer list meta size.\n",
__FUNCTION__);
return ICP_OCF_DRV_STATUS_FAIL;
}
if (0 == metaSize) {
pBufferList->pPrivateMetaData = NULL;
return ICP_OCF_DRV_STATUS_SUCCESS;
}
pBufferList->pPrivateMetaData =
icp_kmalloc(metaSize, ICP_M_NOWAIT);
}
if (NULL == pBufferList->pPrivateMetaData) {
EPRINTK("%s() Failed to allocate pPrivateMetaData.\n",
__FUNCTION__);
return ICP_OCF_DRV_STATUS_FAIL;
}
return ICP_OCF_DRV_STATUS_SUCCESS;
}
/* Name : icp_ocfDrvFreeMetaData
*
* Description : This function will deallocate pPrivateMetaData memory.
*/
inline void icp_ocfDrvFreeMetaData(CpaBufferList * pBufferList)
{
if (NULL == pBufferList->pPrivateMetaData) {
return;
}
/*
* Only free the meta data if the BufferList has more than
* ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS number of buffers.
* Otherwise, the meta data shall be freed when the icp_drvOpData is
* freed.
*/
if (ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS < pBufferList->numBuffers) {
icp_kfree(pBufferList->pPrivateMetaData);
}
}
/* Module declaration, init and exit functions */
ICP_DECLARE_MODULE(icp_ocf, icp_ocfDrvInit, icp_ocfDrvExit);
ICP_MODULE_DESCRIPTION("OCF Driver for Intel Quick Assist crypto acceleration");
ICP_MODULE_VERSION(icp_ocf, ICP_OCF_VER_MJR);
ICP_MODULE_LICENSE("Dual BSD/GPL");
ICP_MODULE_AUTHOR("Intel");
/* Module parameters */
ICP_MODULE_PARAM_INT(icp_ocf, num_dereg_retries,
"Number of times to retry LAC Sym Session Deregistration. "
"Default 10, Max 100");
ICP_MODULE_PARAM_INT(icp_ocf, dereg_retry_delay_in_jiffies, "Delay in jiffies "
"(added to a schedule() function call) before a LAC Sym "
"Session Dereg is retried. Default 10");
ICP_MODULE_PARAM_INT(icp_ocf, max_sessions,
"This sets the maximum number of sessions "
"between OCF and this driver. If this value is set to zero,"
"max session count checking is disabled. Default is zero(0)");
/* Module dependencies */
#define MODULE_MIN_VER 1
#define CRYPTO_MAX_VER 3
#define LAC_MAX_VER 2
ICP_MODULE_DEPEND(icp_ocf, crypto, MODULE_MIN_VER, MODULE_MIN_VER,
CRYPTO_MAX_VER);
ICP_MODULE_DEPEND(icp_ocf, cryptodev, MODULE_MIN_VER, MODULE_MIN_VER,
CRYPTO_MAX_VER);
ICP_MODULE_DEPEND(icp_ocf, icp_crypto, MODULE_MIN_VER, MODULE_MIN_VER,
LAC_MAX_VER);

376
target/linux/generic/files/crypto/ocf/ep80579/icp_ocf.h Normal file
View File

@@ -0,0 +1,376 @@
/***************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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 St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Corporation
*
* BSD LICENSE
*
* Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* version: Security.L.1.0.2-229
*
***************************************************************************/
/*
* OCF driver header file for the Intel ICP processor.
*/
#ifndef ICP_OCF_H_
#define ICP_OCF_H_
#include <cpa.h>
#include <cpa_cy_im.h>
#include <cpa_cy_sym.h>
#include <cpa_cy_rand.h>
#include <cpa_cy_dh.h>
#include <cpa_cy_rsa.h>
#include <cpa_cy_ln.h>
#include <cpa_cy_common.h>
#include <cpa_cy_dsa.h>
#include "icp_os.h"
#define NUM_BITS_IN_BYTE (8)
#define NUM_BITS_IN_BYTE_MINUS_ONE (NUM_BITS_IN_BYTE -1)
#define INVALID_DRIVER_ID (-1)
#define RETURN_RAND_NUM_GEN_FAILED (-1)
/*This is the max block cipher initialisation vector*/
#define MAX_IV_LEN_IN_BYTES (20)
/*This is used to check whether the OCF to this driver session limit has
been disabled*/
#define NO_OCF_TO_DRV_MAX_SESSIONS (0)
/*OCF values mapped here*/
#define ICP_SHA1_DIGEST_SIZE_IN_BYTES (SHA1_HASH_LEN)
#define ICP_SHA256_DIGEST_SIZE_IN_BYTES (SHA2_256_HASH_LEN)
#define ICP_SHA384_DIGEST_SIZE_IN_BYTES (SHA2_384_HASH_LEN)
#define ICP_SHA512_DIGEST_SIZE_IN_BYTES (SHA2_512_HASH_LEN)
#define ICP_MD5_DIGEST_SIZE_IN_BYTES (MD5_HASH_LEN)
#define ARC4_COUNTER_LEN (ARC4_BLOCK_LEN)
#define OCF_REGISTRATION_STATUS_SUCCESS (0)
#define OCF_ZERO_FUNCTIONALITY_REGISTERED (0)
#define ICP_OCF_DRV_NO_CRYPTO_PROCESS_ERROR (0)
#define ICP_OCF_DRV_STATUS_SUCCESS (0)
#define ICP_OCF_DRV_STATUS_FAIL (1)
/*Turn on/off debug options*/
#define ICP_OCF_PRINT_DEBUG_MESSAGES (0)
#define ICP_OCF_PRINT_KERN_ALERT (1)
#define ICP_OCF_PRINT_KERN_ERRS (1)
#if ICP_OCF_PRINT_DEBUG_MESSAGES == 1
#define DPRINTK(args...) \
{ \
ICP_IPRINTK(args); \
}
#else //ICP_OCF_PRINT_DEBUG_MESSAGES == 1
#define DPRINTK(args...)
#endif //ICP_OCF_PRINT_DEBUG_MESSAGES == 1
#if ICP_OCF_PRINT_KERN_ALERT == 1
#define APRINTK(args...) \
{ \
ICP_APRINTK(args); \
}
#else //ICP_OCF_PRINT_KERN_ALERT == 1
#define APRINTK(args...)
#endif //ICP_OCF_PRINT_KERN_ALERT == 1
#if ICP_OCF_PRINT_KERN_ERRS == 1
#define EPRINTK(args...) \
{ \
ICP_EPRINTK(args); \
}
#else //ICP_OCF_PRINT_KERN_ERRS == 1
#define EPRINTK(args...)
#endif //ICP_OCF_PRINT_KERN_ERRS == 1
#define IPRINTK(args...) \
{ \
ICP_IPRINTK(args); \
}
/*DSA Prime Q size in bytes (as defined in the standard) */
#define DSA_RS_SIGN_PRIMEQ_SIZE_IN_BYTES (20)
#define BITS_TO_BYTES(bytes, bits) \
bytes = (bits + NUM_BITS_IN_BYTE_MINUS_ONE) / NUM_BITS_IN_BYTE
typedef enum {
ICP_OCF_DRV_ALG_CIPHER = 0,
ICP_OCF_DRV_ALG_HASH
} icp_ocf_drv_alg_type_t;
typedef ICP_LIST_HEAD(icp_drvSessionListHead_s,
icp_drvSessionData) icp_drvSessionListHead_t;
/*Values used to derisk chances of performs being called against
deregistered sessions (for which the slab page has been reclaimed)
This is not a fix - since page frames are reclaimed from a slab, one cannot
rely on that memory not being re-used by another app.*/
typedef enum {
ICP_SESSION_INITIALISED = 0x5C5C5C,
ICP_SESSION_RUNNING = 0x005C00,
ICP_SESSION_DEREGISTERED = 0xC5C5C5
} usage_derisk;
/* This struct is required for deferred session
deregistration as a work queue function can
only have one argument*/
struct icp_ocfDrvFreeLacSession {
CpaCySymSessionCtx sessionToDeregister;
icp_workstruct work;
};
/*
This is the OCF<->OCF_DRV session object:
1.listNode
The first member is a listNode. These session objects are added to a linked
list in order to make it easier to remove them all at session exit time.
2.inUse
The second member is used to give the session object state and derisk the
possibility of OCF batch calls executing against a deregistered session (as
described above).
3.sessHandle
The third member is a LAC<->OCF_DRV session handle (initialised with the first
perform request for that session).
4.lacSessCtx
The fourth is the LAC session context. All the parameters for this structure
are only known when the first perform request for this session occurs. That is
why the OCF EP80579 Driver only registers a new LAC session at perform time
*/
struct icp_drvSessionData {
ICP_LIST_ENTRY(icp_drvSessionData) listNode;
usage_derisk inUse;
CpaCySymSessionCtx sessHandle;
CpaCySymSessionSetupData lacSessCtx;
};
/* These are all defined in icp_common.c */
extern icp_atomic_t lac_session_failed_dereg_count;
extern icp_atomic_t icp_ocfDrvIsExiting;
extern icp_atomic_t num_ocf_to_drv_registered_sessions;
extern int32_t icp_ocfDrvDriverId;
extern icp_drvSessionListHead_t icp_ocfDrvGlobalSymListHead;
extern icp_drvSessionListHead_t icp_ocfDrvGlobalSymListHead_FreeMemList;
extern icp_workqueue *icp_ocfDrvFreeLacSessionWorkQ;
extern icp_spinlock_t icp_ocfDrvSymSessInfoListSpinlock;
/*Slab zones for symettric functionality, instantiated in icp_common.c*/
extern icp_kmem_cache drvSessionData_zone;
extern icp_kmem_cache drvOpData_zone;
/*Slabs zones for asymettric functionality, instantiated in icp_common.c*/
extern icp_kmem_cache drvDH_zone;
extern icp_kmem_cache drvLnModExp_zone;
extern icp_kmem_cache drvRSADecrypt_zone;
extern icp_kmem_cache drvRSAPrivateKey_zone;
extern icp_kmem_cache drvDSARSSign_zone;
extern icp_kmem_cache drvDSARSSignKValue_zone;
extern icp_kmem_cache drvDSAVerify_zone;
/* Module parameters defined in icp_cpmmon.c*/
/* Module parameters - gives the number of times LAC deregistration shall be
re-tried */
extern int num_dereg_retries;
/* Module parameter - gives the delay time in jiffies before a LAC session
shall be attempted to be deregistered again */
extern int dereg_retry_delay_in_jiffies;
/* Module parameter - gives the maximum number of sessions possible between
OCF and the OCF EP80579 Driver. If set to zero, there is no limit.*/
extern int max_sessions;
/*Slab zones for flatbuffers and bufferlist*/
extern icp_kmem_cache drvFlatBuffer_zone;
#define ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS (16)
struct icp_drvBuffListInfo {
Cpa16U numBuffers;
Cpa32U metaSize;
Cpa32U metaOffset;
Cpa32U buffListSize;
};
extern struct icp_drvBuffListInfo defBuffListInfo;
/* This struct is used to keep a reference to the relevant node in the list
of sessionData structs, to the buffer type required by OCF and to the OCF
provided crp struct that needs to be returned. All this info is needed in
the callback function.*/
struct icp_drvOpData {
CpaCySymOpData lacOpData;
uint32_t digestSizeInBytes;
struct cryptop *crp;
uint8_t bufferType;
uint8_t ivData[MAX_IV_LEN_IN_BYTES];
uint16_t numBufferListArray;
CpaBufferList srcBuffer;
CpaFlatBuffer bufferListArray[ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS];
CpaBoolean verifyResult;
};
/* Create a new session between OCF and this driver*/
int icp_ocfDrvNewSession(icp_device_t dev, uint32_t * sild,
struct cryptoini *cri);
/* Free a session between this driver and the Quick Assist Framework*/
int icp_ocfDrvFreeLACSession(icp_device_t dev, uint64_t sid);
/* Defer freeing a Quick Assist session*/
void icp_ocfDrvDeferedFreeLacSessionProcess(void *arg);
/* Process OCF cryptographic request for a symmetric algorithm*/
int icp_ocfDrvSymProcess(icp_device_t dev, struct cryptop *crp, int hint);
/* Process OCF cryptographic request for an asymmetric algorithm*/
int icp_ocfDrvPkeProcess(icp_device_t dev, struct cryptkop *krp, int hint);
/* Populate a buffer with random data*/
int icp_ocfDrvReadRandom(void *arg, uint32_t * buf, int maxwords);
/* Retry Quick Assist session deregistration*/
int icp_ocfDrvDeregRetry(CpaCySymSessionCtx sessionToDeregister);
/* Convert an OS scatter gather list to a CPA buffer list*/
int icp_ocfDrvPacketBuffToBufferList(icp_packet_buffer_t * pPacketBuffer,
CpaBufferList * bufferList);
/* Convert a CPA buffer list to an OS scatter gather list*/
int icp_ocfDrvBufferListToPacketBuff(CpaBufferList * bufferList,
icp_packet_buffer_t ** pPacketBuffer);
/* Get the number of buffers in an OS scatter gather list*/
uint16_t icp_ocfDrvGetPacketBuffFrags(icp_packet_buffer_t * pPacketBuffer);
/* Convert a single OS buffer to a CPA Flat Buffer*/
void icp_ocfDrvSinglePacketBuffToFlatBuffer(icp_packet_buffer_t * pPacketBuffer,
CpaFlatBuffer * pFlatBuffer);
/* Add pointer and length to a CPA Flat Buffer structure*/
void icp_ocfDrvPtrAndLenToFlatBuffer(void *pData, uint32_t len,
CpaFlatBuffer * pFlatBuffer);
/* Convert pointer and length values to a CPA buffer list*/
void icp_ocfDrvPtrAndLenToBufferList(void *pDataIn, uint32_t length,
CpaBufferList * pBufferList);
/* Convert a CPA buffer list to pointer and length values*/
void icp_ocfDrvBufferListToPtrAndLen(CpaBufferList * pBufferList,
void **ppDataOut, uint32_t * pLength);
/* Set the number of flat buffers in bufferlist and the size of memory
to allocate for the pPrivateMetaData member of the CpaBufferList.*/
int icp_ocfDrvBufferListMemInfo(uint16_t numBuffers,
struct icp_drvBuffListInfo *buffListInfo);
/* Find pointer position of the digest within an OS scatter gather list*/
uint8_t *icp_ocfDrvPacketBufferDigestPointerFind(struct icp_drvOpData
*drvOpData,
int offsetInBytes,
uint32_t digestSizeInBytes);
/*This top level function is used to find a pointer to where a digest is
stored/needs to be inserted. */
uint8_t *icp_ocfDrvDigestPointerFind(struct icp_drvOpData *drvOpData,
struct cryptodesc *crp_desc);
/* Free a CPA flat buffer*/
void icp_ocfDrvFreeFlatBuffer(CpaFlatBuffer * pFlatBuffer);
/* This function will allocate memory for the pPrivateMetaData
member of CpaBufferList. */
int icp_ocfDrvAllocMetaData(CpaBufferList * pBufferList,
struct icp_drvOpData *pOpData);
/* Free data allocated for the pPrivateMetaData
member of CpaBufferList.*/
void icp_ocfDrvFreeMetaData(CpaBufferList * pBufferList);
#define ICP_CACHE_CREATE(cache_ID, cache_name) \
icp_kmem_cache_create(cache_ID, sizeof(cache_name),ICP_KERNEL_CACHE_ALIGN,\
ICP_KERNEL_CACHE_NOINIT)
#define ICP_CACHE_FREE(args...) \
icp_kmem_cache_free (args)
#define ICP_CACHE_DESTROY(slab_zone)\
{\
if(NULL != slab_zone){\
icp_kmem_cache_destroy(slab_zone);\
slab_zone = NULL;\
}\
}
#endif
/* ICP_OCF_H_ */

1153
target/linux/generic/files/crypto/ocf/ep80579/icp_sym.c Normal file
View File

File diff suppressed because it is too large Load Diff