[generic-2.4] add OCF 20100325 support to brcm-2.4

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21357 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 77 insertions, 0 deletions

diff --git a/target/linux/generic-2.4/files/crypto/ocf/talitos/talitos_soft.h b/target/linux/generic-2.4/files/crypto/ocf/talitos/talitos_soft.h
new file mode 100644
index 000000000..79efdbd31
--- /dev/null
+++ b/target/linux/generic-2.4/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))