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[generic-2.6] update OCF framework to version 20100325

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21356 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
jow
2010-05-04 20:59:19 +00:00
parent 64f1ed8de7
commit 40b344028b
192 changed files with 65222 additions and 4805 deletions
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337
target/linux/generic-2.6/files/crypto/ocf/ep80579/icp_ocf.h
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@@ -5,7 +5,7 @@
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007,2008 Intel Corporation. All rights reserved.
* 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
@@ -27,7 +27,7 @@
*
* BSD LICENSE
*
* Copyright(c) 2007,2008 Intel Corporation. All rights reserved.
* Copyright(c) 2007,2008,2009 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -57,42 +57,34 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* version: Security.L.1.0.130
* version: Security.L.1.0.2-229
*
***************************************************************************/
/*
* OCF drv driver header file for the Intel ICP processor.
* OCF driver header file for the Intel ICP processor.
*/
#ifndef ICP_OCF_H
#define ICP_OCF_H
#ifndef ICP_OCF_H_
#define ICP_OCF_H_
#include <linux/crypto.h>
#include <linux/delay.h>
#include <linux/skbuff.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 "cryptodev.h"
#include "uio.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 define means only one operation can be chained to another
(resulting in one chain of two operations)*/
#define MAX_NUM_OF_CHAINED_OPS (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
@@ -118,61 +110,10 @@
#define ICP_OCF_PRINT_KERN_ALERT (1)
#define ICP_OCF_PRINT_KERN_ERRS (1)
/*DSA Prime Q size in bytes (as defined in the standard) */
#define DSA_RS_SIGN_PRIMEQ_SIZE_IN_BYTES (20)
/*MACRO DEFINITIONS*/
#define BITS_TO_BYTES(bytes, bits) \
bytes = (bits + NUM_BITS_IN_BYTE_MINUS_ONE) / NUM_BITS_IN_BYTE
#define ICP_CACHE_CREATE(cache_ID, cache_name) \
kmem_cache_create(cache_ID, sizeof(cache_name),0, \
SLAB_HWCACHE_ALIGN, NULL, NULL);
#define ICP_CACHE_NULL_CHECK(slab_zone) \
{ \
if(NULL == slab_zone){ \
icp_ocfDrvFreeCaches(); \
EPRINTK("%s() line %d: Not enough memory!\n", \
__FUNCTION__, __LINE__); \
return ENOMEM; \
} \
}
#define ICP_CACHE_DESTROY(slab_zone) \
{ \
if(NULL != slab_zone){ \
kmem_cache_destroy(slab_zone); \
slab_zone = NULL; \
} \
}
#define ICP_REGISTER_SYM_FUNCTIONALITY_WITH_OCF(alg) \
{ \
if(OCF_REGISTRATION_STATUS_SUCCESS == \
crypto_register(icp_ocfDrvDriverId, \
alg, \
0, \
0)) { \
ocfStatus++; \
} \
}
#define ICP_REGISTER_ASYM_FUNCTIONALITY_WITH_OCF(alg) \
{ \
if(OCF_REGISTRATION_STATUS_SUCCESS == \
crypto_kregister(icp_ocfDrvDriverId, \
alg, \
0)){ \
ocfStatus++; \
} \
}
#if ICP_OCF_PRINT_DEBUG_MESSAGES == 1
#define DPRINTK(args...) \
{ \
printk(args); \
ICP_IPRINTK(args); \
}
#else //ICP_OCF_PRINT_DEBUG_MESSAGES == 1
@@ -184,7 +125,7 @@
#if ICP_OCF_PRINT_KERN_ALERT == 1
#define APRINTK(args...) \
{ \
printk(KERN_ALERT args); \
ICP_APRINTK(args); \
}
#else //ICP_OCF_PRINT_KERN_ALERT == 1
@@ -196,7 +137,7 @@
#if ICP_OCF_PRINT_KERN_ERRS == 1
#define EPRINTK(args...) \
{ \
printk(KERN_ERR args); \
ICP_EPRINTK(args); \
}
#else //ICP_OCF_PRINT_KERN_ERRS == 1
@@ -207,47 +148,110 @@
#define IPRINTK(args...) \
{ \
printk(KERN_INFO args); \
ICP_IPRINTK(args); \
}
/*END OF MACRO DEFINITIONS*/
/*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;
/* These are all defined in icp_common.c */
extern atomic_t lac_session_failed_dereg_count;
extern atomic_t icp_ocfDrvIsExiting;
extern atomic_t num_ocf_to_drv_registered_sessions;
typedef ICP_LIST_HEAD(icp_drvSessionListHead_s,
icp_drvSessionData) icp_drvSessionListHead_t;
/*These are use inputs used in icp_sym.c and icp_common.c
They are instantiated in icp_common.c*/
extern int max_sessions;
/*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 struct list_head icp_ocfDrvGlobalSymListHead;
extern struct list_head icp_ocfDrvGlobalSymListHead_FreeMemList;
extern struct workqueue_struct *icp_ocfDrvFreeLacSessionWorkQ;
extern spinlock_t icp_ocfDrvSymSessInfoListSpinlock;
extern rwlock_t icp_kmem_cache_destroy_alloc_lock;
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 struct kmem_cache *drvSessionData_zone;
extern struct kmem_cache *drvOpData_zone;
extern icp_kmem_cache drvSessionData_zone;
extern icp_kmem_cache drvOpData_zone;
/*Slabs zones for asymettric functionality, instantiated in icp_common.c*/
extern struct kmem_cache *drvDH_zone;
extern struct kmem_cache *drvLnModExp_zone;
extern struct kmem_cache *drvRSADecrypt_zone;
extern struct kmem_cache *drvRSAPrivateKey_zone;
extern struct kmem_cache *drvDSARSSign_zone;
extern struct kmem_cache *drvDSARSSignKValue_zone;
extern struct kmem_cache *drvDSAVerify_zone;
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 struct kmem_cache *drvFlatBuffer_zone;
extern icp_kmem_cache drvFlatBuffer_zone;
#define ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS (16)
@@ -257,19 +261,13 @@ struct icp_drvBuffListInfo {
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.
*
* IV can sometimes be stored in non-contiguous memory (e.g. skbuff
* linked/frag list, therefore a contiguous memory space for the IV data must be
* created and passed to LAC
*
*/
/* 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;
@@ -281,83 +279,98 @@ struct icp_drvOpData {
CpaFlatBuffer bufferListArray[ICP_OCF_DRV_DEFAULT_BUFFLIST_ARRAYS];
CpaBoolean verifyResult;
};
/*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 is the OCF<->OCF_DRV session object:
/* Create a new session between OCF and this driver*/
int icp_ocfDrvNewSession(icp_device_t dev, uint32_t * sild,
struct cryptoini *cri);
1.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.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.The third member is a LAC<->OCF_DRV session handle (initialised with the first
perform request for that session).
4.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 Tolapai Driver only registers a new LAC session at perform time
*/
struct icp_drvSessionData {
struct list_head listNode;
usage_derisk inUse;
CpaCySymSessionCtx sessHandle;
CpaCySymSessionSetupData lacSessCtx;
};
/* Free a session between this driver and the Quick Assist Framework*/
int icp_ocfDrvFreeLACSession(icp_device_t dev, uint64_t sid);
/* This struct is required for deferred session
deregistration as a work queue function can
only have one argument*/
struct icp_ocfDrvFreeLacSession {
CpaCySymSessionCtx sessionToDeregister;
struct work_struct work;
};
/* Defer freeing a Quick Assist session*/
void icp_ocfDrvDeferedFreeLacSessionProcess(void *arg);
int icp_ocfDrvNewSession(device_t dev, uint32_t * sild, struct cryptoini *cri);
/* Process OCF cryptographic request for a symmetric algorithm*/
int icp_ocfDrvSymProcess(icp_device_t dev, struct cryptop *crp, int hint);
int icp_ocfDrvFreeLACSession(device_t dev, uint64_t sid);
int icp_ocfDrvSymProcess(device_t dev, struct cryptop *crp, int hint);
int icp_ocfDrvPkeProcess(device_t dev, struct cryptkop *krp, 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);
int icp_ocfDrvSkBuffToBufferList(struct sk_buff *skb,
CpaBufferList * bufferList);
/* Convert an OS scatter gather list to a CPA buffer list*/
int icp_ocfDrvPacketBuffToBufferList(icp_packet_buffer_t * pPacketBuffer,
CpaBufferList * bufferList);
int icp_ocfDrvBufferListToSkBuff(CpaBufferList * bufferList,
struct sk_buff **skb);
/* 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);
uint16_t icp_ocfDrvGetSkBuffFrags(struct sk_buff *pSkb);
/* 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);
int icp_ocfDrvAllocMetaData(CpaBufferList * pBufferList,
const struct icp_drvOpData *pOpData);
/* 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 */
/* ICP_OCF_H_ */