--- /dev/null
+/*******************************************************************************
+Copyright (C) Marvell International Ltd. and its affiliates
+
+This software file (the "File") is owned and distributed by Marvell
+International Ltd. and/or its affiliates ("Marvell") under the following
+alternative licensing terms. Once you have made an election to distribute the
+File under one of the following license alternatives, please (i) delete this
+introductory statement regarding license alternatives, (ii) delete the two
+license alternatives that you have not elected to use and (iii) preserve the
+Marvell copyright notice above.
+
+********************************************************************************
+Marvell Commercial License Option
+
+If you received this File from Marvell and you have entered into a commercial
+license agreement (a "Commercial License") with Marvell, the File is licensed
+to you under the terms of the applicable Commercial License.
+
+********************************************************************************
+Marvell GPL License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File in accordance with the terms and conditions of the General
+Public License Version 2, June 1991 (the "GPL License"), a copy of which is
+available along with the File in the license.txt file or by writing to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
+on the worldwide web at http://www.gnu.org/licenses/gpl.txt.
+
+THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
+WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
+DISCLAIMED. The GPL License provides additional details about this warranty
+disclaimer.
+********************************************************************************
+Marvell BSD License Option
+
+If you received this File from Marvell, you may opt to use, redistribute and/or
+modify this File under the following licensing terms.
+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 Marvell 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.
+
+*******************************************************************************/
+
+/*******************************************************************************
+* mvCesa.h - Header File for Cryptographic Engines and Security Accelerator
+*
+* DESCRIPTION:
+* This header file contains macros typedefs and function declaration for
+* the Marvell Cryptographic Engines and Security Accelerator.
+*
+*******************************************************************************/
+
+#ifndef __mvCesa_h__
+#define __mvCesa_h__
+
+#include "mvOs.h"
+#include "mvCommon.h"
+#include "mvDebug.h"
+
+#include "ctrlEnv/mvCtrlEnvSpec.h"
+
+#include "cesa/mvMD5.h"
+#include "cesa/mvSHA1.h"
+
+#include "cesa/mvCesa.h"
+#include "cesa/AES/mvAes.h"
+#include "mvSysHwConfig.h"
+
+#ifdef MV_INCLUDE_IDMA
+#include "idma/mvIdma.h"
+#include "idma/mvIdmaRegs.h"
+#else
+/* Redefine MV_DMA_DESC structure */
+typedef struct _mvDmaDesc
+{
+ MV_U32 byteCnt; /* The total number of bytes to transfer */
+ MV_U32 phySrcAdd; /* The physical source address */
+ MV_U32 phyDestAdd; /* The physical destination address */
+ MV_U32 phyNextDescPtr; /* If we are using chain mode DMA transfer, */
+ /* then this pointer should point to the */
+ /* physical address of the next descriptor, */
+ /* otherwise it should be NULL. */
+}MV_DMA_DESC;
+#endif /* MV_INCLUDE_IDMA */
+
+#include "cesa/mvCesaRegs.h"
+
+#define MV_CESA_AUTH_BLOCK_SIZE 64 /* bytes */
+
+#define MV_CESA_MD5_DIGEST_SIZE 16 /* bytes */
+#define MV_CESA_SHA1_DIGEST_SIZE 20 /* bytes */
+
+#define MV_CESA_MAX_DIGEST_SIZE MV_CESA_SHA1_DIGEST_SIZE
+
+#define MV_CESA_DES_KEY_LENGTH 8 /* bytes = 64 bits */
+#define MV_CESA_3DES_KEY_LENGTH 24 /* bytes = 192 bits */
+#define MV_CESA_AES_128_KEY_LENGTH 16 /* bytes = 128 bits */
+#define MV_CESA_AES_192_KEY_LENGTH 24 /* bytes = 192 bits */
+#define MV_CESA_AES_256_KEY_LENGTH 32 /* bytes = 256 bits */
+
+#define MV_CESA_MAX_CRYPTO_KEY_LENGTH MV_CESA_AES_256_KEY_LENGTH
+
+#define MV_CESA_DES_BLOCK_SIZE 8 /* bytes = 64 bits */
+#define MV_CESA_3DES_BLOCK_SIZE 8 /* bytes = 64 bits */
+
+#define MV_CESA_AES_BLOCK_SIZE 16 /* bytes = 128 bits */
+
+#define MV_CESA_MAX_IV_LENGTH MV_CESA_AES_BLOCK_SIZE
+
+#define MV_CESA_MAX_MAC_KEY_LENGTH 64 /* bytes */
+
+typedef struct
+{
+ MV_U8 cryptoKey[MV_CESA_MAX_CRYPTO_KEY_LENGTH];
+ MV_U8 macKey[MV_CESA_MAX_MAC_KEY_LENGTH];
+ MV_CESA_OPERATION operation;
+ MV_CESA_DIRECTION direction;
+ MV_CESA_CRYPTO_ALG cryptoAlgorithm;
+ MV_CESA_CRYPTO_MODE cryptoMode;
+ MV_U8 cryptoKeyLength;
+ MV_CESA_MAC_MODE macMode;
+ MV_U8 macKeyLength;
+ MV_U8 digestSize;
+
+} MV_CESA_OPEN_SESSION;
+
+typedef struct
+{
+ MV_BUF_INFO *pFrags;
+ MV_U16 numFrags;
+ MV_U16 mbufSize;
+
+} MV_CESA_MBUF;
+
+typedef struct
+{
+ void* pReqPrv; /* instead of reqId */
+ MV_U32 retCode;
+ MV_16 sessionId;
+
+} MV_CESA_RESULT;
+
+typedef void (*MV_CESA_CALLBACK) (MV_CESA_RESULT* pResult);
+
+
+typedef struct
+{
+ void* pReqPrv; /* instead of reqId */
+ MV_CESA_MBUF* pSrc;
+ MV_CESA_MBUF* pDst;
+ MV_CESA_CALLBACK* pFuncCB;
+ MV_16 sessionId;
+ MV_U16 ivFromUser;
+ MV_U16 ivOffset;
+ MV_U16 cryptoOffset;
+ MV_U16 cryptoLength;
+ MV_U16 digestOffset;
+ MV_U16 macOffset;
+ MV_U16 macLength;
+ MV_BOOL skipFlush;
+} MV_CESA_COMMAND;
+
+
+
+MV_STATUS mvCesaHalInit (int numOfSession, int queueDepth, char* pSramBase, MV_U32 cryptEngBase, void *osHandle);
+MV_STATUS mvCesaFinish (void);
+MV_STATUS mvCesaSessionOpen(MV_CESA_OPEN_SESSION *pSession, short* pSid);
+MV_STATUS mvCesaSessionClose(short sid);
+MV_STATUS mvCesaCryptoIvSet(MV_U8* pIV, int ivSize);
+
+MV_STATUS mvCesaAction (MV_CESA_COMMAND* pCmd);
+
+MV_U32 mvCesaInProcessGet(void);
+MV_STATUS mvCesaReadyDispatch(void);
+MV_STATUS mvCesaReadyGet(MV_CESA_RESULT* pResult);
+MV_BOOL mvCesaIsReady(void);
+
+int mvCesaMbufOffset(MV_CESA_MBUF* pMbuf, int offset, int* pBufOffset);
+MV_STATUS mvCesaCopyFromMbuf(MV_U8* pDst, MV_CESA_MBUF* pSrcMbuf,
+ int offset, int size);
+MV_STATUS mvCesaCopyToMbuf(MV_U8* pSrc, MV_CESA_MBUF* pDstMbuf,
+ int offset, int size);
+MV_STATUS mvCesaMbufCopy(MV_CESA_MBUF* pMbufDst, int dstMbufOffset,
+ MV_CESA_MBUF* pMbufSrc, int srcMbufOffset, int size);
+
+/********** Debug functions ********/
+
+void mvCesaDebugMbuf(const char* str, MV_CESA_MBUF *pMbuf, int offset, int size);
+void mvCesaDebugSA(short sid, int mode);
+void mvCesaDebugStats(void);
+void mvCesaDebugStatsClear(void);
+void mvCesaDebugRegs(void);
+void mvCesaDebugStatus(void);
+void mvCesaDebugQueue(int mode);
+void mvCesaDebugSram(int mode);
+void mvCesaDebugSAD(int mode);
+
+
+/******** CESA Private definitions ********/
+#if (MV_CESA_VERSION >= 2)
+#if (MV_CACHE_COHERENCY == MV_CACHE_COHER_SW)
+#define MV_CESA_TDMA_CTRL_VALUE MV_CESA_TDMA_DST_BURST_MASK(MV_CESA_TDMA_BURST_128B) \
+ | MV_CESA_TDMA_SRC_BURST_MASK(MV_CESA_TDMA_BURST_128B) \
+ | MV_CESA_TDMA_OUTSTAND_READ_EN_MASK \
+ | MV_CESA_TDMA_NO_BYTE_SWAP_MASK \
+ | MV_CESA_TDMA_ENABLE_MASK
+#else
+#define MV_CESA_TDMA_CTRL_VALUE MV_CESA_TDMA_DST_BURST_MASK(MV_CESA_TDMA_BURST_32B) \
+ | MV_CESA_TDMA_SRC_BURST_MASK(MV_CESA_TDMA_BURST_128B) \
+ /*| MV_CESA_TDMA_OUTSTAND_READ_EN_MASK */\
+ | MV_CESA_TDMA_ENABLE_MASK
+
+#endif
+#else
+#define MV_CESA_IDMA_CTRL_LOW_VALUE ICCLR_DST_BURST_LIM_128BYTE \
+ | ICCLR_SRC_BURST_LIM_128BYTE \
+ | ICCLR_INT_MODE_MASK \
+ | ICCLR_BLOCK_MODE \
+ | ICCLR_CHAN_ENABLE \
+ | ICCLR_DESC_MODE_16M
+#endif /* MV_CESA_VERSION >= 2 */
+
+#define MV_CESA_MAX_PKT_SIZE (64 * 1024)
+#define MV_CESA_MAX_MBUF_FRAGS 20
+
+#define MV_CESA_MAX_REQ_FRAGS ( (MV_CESA_MAX_PKT_SIZE / MV_CESA_MAX_BUF_SIZE) + 1)
+
+#define MV_CESA_MAX_DMA_DESC (MV_CESA_MAX_MBUF_FRAGS*2 + 5)
+
+#define MAX_CESA_CHAIN_LENGTH 20
+
+typedef enum
+{
+ MV_CESA_IDLE = 0,
+ MV_CESA_PENDING,
+ MV_CESA_PROCESS,
+ MV_CESA_READY,
+#if (MV_CESA_VERSION >= 3)
+ MV_CESA_CHAIN,
+#endif
+} MV_CESA_STATE;
+
+
+/* Session database */
+
+/* Map of Key materials of the session in SRAM.
+ * Each field must be 8 byte aligned
+ * Total size: 32 + 24 + 24 = 80 bytes
+ */
+typedef struct
+{
+ MV_U8 cryptoKey[MV_CESA_MAX_CRYPTO_KEY_LENGTH];
+ MV_U8 macInnerIV[MV_CESA_MAX_DIGEST_SIZE];
+ MV_U8 reservedInner[4];
+ MV_U8 macOuterIV[MV_CESA_MAX_DIGEST_SIZE];
+ MV_U8 reservedOuter[4];
+
+} MV_CESA_SRAM_SA;
+
+typedef struct
+{
+ MV_CESA_SRAM_SA* pSramSA;
+ MV_U32 config;
+ MV_U8 cryptoKeyLength;
+ MV_U8 cryptoIvSize;
+ MV_U8 cryptoBlockSize;
+ MV_U8 digestSize;
+ MV_U8 macKeyLength;
+ MV_U8 valid;
+ MV_U8 ctrMode;
+ MV_U32 count;
+
+} MV_CESA_SA;
+
+/* DMA list management */
+typedef struct
+{
+ MV_DMA_DESC* pDmaFirst;
+ MV_DMA_DESC* pDmaLast;
+
+} MV_CESA_DMA;
+
+
+typedef struct
+{
+ MV_U8 numFrag;
+ MV_U8 nextFrag;
+ int bufOffset;
+ int cryptoSize;
+ int macSize;
+ int newDigestOffset;
+ MV_U8 orgDigest[MV_CESA_MAX_DIGEST_SIZE];
+
+} MV_CESA_FRAGS;
+
+/* Request queue */
+typedef struct
+{
+ MV_U8 state;
+ MV_U8 fragMode;
+ MV_U8 fixOffset;
+ MV_CESA_COMMAND* pCmd;
+ MV_CESA_COMMAND* pOrgCmd;
+ MV_BUF_INFO dmaDescBuf;
+ MV_CESA_DMA dma[MV_CESA_MAX_REQ_FRAGS];
+ MV_BUF_INFO cesaDescBuf;
+ MV_CESA_DESC* pCesaDesc;
+ MV_CESA_FRAGS frags;
+
+
+} MV_CESA_REQ;
+
+
+/* SRAM map */
+/* Total SRAM size calculation */
+/* SRAM size =
+ * MV_CESA_MAX_BUF_SIZE +
+ * sizeof(MV_CESA_DESC) +
+ * MV_CESA_MAX_IV_LENGTH +
+ * MV_CESA_MAX_IV_LENGTH +
+ * MV_CESA_MAX_DIGEST_SIZE +
+ * sizeof(MV_CESA_SRAM_SA)
+ * = 1600 + 32 + 16 + 16 + 24 + 80 + 280 (reserved) = 2048 bytes
+ * = 3200 + 32 + 16 + 16 + 24 + 80 + 728 (reserved) = 4096 bytes
+ */
+typedef struct
+{
+ MV_U8 buf[MV_CESA_MAX_BUF_SIZE];
+ MV_CESA_DESC desc;
+ MV_U8 cryptoIV[MV_CESA_MAX_IV_LENGTH];
+ MV_U8 tempCryptoIV[MV_CESA_MAX_IV_LENGTH];
+ MV_U8 tempDigest[MV_CESA_MAX_DIGEST_SIZE+4];
+ MV_CESA_SRAM_SA sramSA;
+
+} MV_CESA_SRAM_MAP;
+
+
+typedef struct
+{
+ MV_U32 openedCount;
+ MV_U32 closedCount;
+ MV_U32 fragCount;
+ MV_U32 reqCount;
+ MV_U32 maxReqCount;
+ MV_U32 procCount;
+ MV_U32 readyCount;
+ MV_U32 notReadyCount;
+ MV_U32 startCount;
+#if (MV_CESA_VERSION >= 3)
+ MV_U32 maxChainUsage;
+#endif
+
+} MV_CESA_STATS;
+
+
+/* External variables */
+
+extern MV_CESA_STATS cesaStats;
+extern MV_CESA_FRAGS cesaFrags;
+
+extern MV_BUF_INFO cesaSramSaBuf;
+
+extern MV_CESA_SA* pCesaSAD;
+extern MV_U16 cesaMaxSA;
+
+extern MV_CESA_REQ* pCesaReqFirst;
+extern MV_CESA_REQ* pCesaReqLast;
+extern MV_CESA_REQ* pCesaReqEmpty;
+extern MV_CESA_REQ* pCesaReqProcess;
+extern int cesaQueueDepth;
+extern int cesaReqResources;
+#if (MV_CESA_VERSION>= 3)
+extern MV_U32 cesaChainLength;
+#endif
+
+extern MV_CESA_SRAM_MAP* cesaSramVirtPtr;
+extern MV_U32 cesaSramPhysAddr;
+
+static INLINE MV_ULONG mvCesaVirtToPhys(MV_BUF_INFO* pBufInfo, void* pVirt)
+{
+ return (pBufInfo->bufPhysAddr + ((MV_U8*)pVirt - pBufInfo->bufVirtPtr));
+}
+
+/* Additional DEBUG functions */
+void mvCesaDebugSramSA(MV_CESA_SRAM_SA* pSramSA, int mode);
+void mvCesaDebugCmd(MV_CESA_COMMAND* pCmd, int mode);
+void mvCesaDebugDescriptor(MV_CESA_DESC* pDesc);
+
+
+
+#endif /* __mvCesa_h__ */
projects / 15.05 / openwrt.git / blobdiff