diff options
Diffstat (limited to 'target/linux/generic-2.6/files/crypto/ocf/talitos/talitos_soft.h')
| -rw-r--r-- | target/linux/generic-2.6/files/crypto/ocf/talitos/talitos_soft.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/target/linux/generic-2.6/files/crypto/ocf/talitos/talitos_soft.h b/target/linux/generic-2.6/files/crypto/ocf/talitos/talitos_soft.h new file mode 100644 index 0000000000..79efdbd314 --- /dev/null +++ b/target/linux/generic-2.6/files/crypto/ocf/talitos/talitos_soft.h @@ -0,0 +1,77 @@ +/* + * 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_iv[4]; /* DES/3DES/AES iv */ + 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)) |