mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-29 15:35:11 +02:00
77 lines
3.1 KiB
C
77 lines
3.1 KiB
C
|
/*
|
||
|
|
* Freescale SEC data structures for integration with ocf-linux
|
||
|
|
*
|
||
|
|
* Copyright (c) 2006 Freescale Semiconductor, Inc.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
*
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. 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.
|
||
|
|
* 3. The name of the author may not be used to endorse or promote products
|
||
|
|
* derived from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* paired descriptor and associated crypto operation
|
||
|
|
*/
|
||
|
|
struct desc_cryptop_pair {
|
||
|
|
struct talitos_desc cf_desc; /* descriptor ptr */
|
||
|
|
struct cryptop *cf_crp; /* cryptop ptr */
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Holds data specific to a single talitos device.
|
||
|
|
*/
|
||
|
|
struct talitos_softc {
|
||
|
|
softc_device_decl sc_cdev;
|
||
|
|
struct platform_device *sc_dev; /* device backpointer */
|
||
|
|
ocf_iomem_t sc_base_addr;
|
||
|
|
int sc_irq;
|
||
|
|
int sc_num; /* if we have multiple chips */
|
||
|
|
int32_t sc_cid; /* crypto tag */
|
||
|
|
u64 sc_chiprev; /* major/minor chip revision */
|
||
|
|
int sc_nsessions;
|
||
|
|
struct talitos_session *sc_sessions;
|
||
|
|
int sc_num_channels;/* number of crypto channels */
|
||
|
|
int sc_chfifo_len; /* channel fetch fifo len */
|
||
|
|
int sc_exec_units; /* execution units mask */
|
||
|
|
int sc_desc_types; /* descriptor types mask */
|
||
|
|
/*
|
||
|
|
* mutual exclusion for intra-channel resources, e.g. fetch fifos
|
||
|
|
* the last entry is a meta-channel lock used by the channel scheduler
|
||
|
|
*/
|
||
|
|
spinlock_t *sc_chnfifolock;
|
||
|
|
/* sc_chnlastalgo contains last algorithm for that channel */
|
||
|
|
int *sc_chnlastalg;
|
||
|
|
/* sc_chnfifo holds pending descriptor--crypto operation pairs */
|
||
|
|
struct desc_cryptop_pair **sc_chnfifo;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct talitos_session {
|
||
|
|
u_int32_t ses_used;
|
||
|
|
u_int32_t ses_klen; /* key length in bits */
|
||
|
|
u_int32_t ses_key[8]; /* DES/3DES/AES key */
|
||
|
|
u_int32_t ses_hmac[5]; /* hmac inner state */
|
||
|
|
u_int32_t ses_hmac_len; /* hmac length */
|
||
|
|
u_int32_t ses_mlen; /* desired hash result len (12=ipsec or 16) */
|
||
|
|
};
|
||
|
|
|
||
|
|
#define TALITOS_SESSION(sid) ((sid) & 0x0fffffff)
|
||
|
|
#define TALITOS_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff))
|