rename target/linux/generic-2.6 to generic

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21952 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 1061 deletions

diff --git a/target/linux/generic-2.6/files/crypto/ocf/cryptodev.c b/target/linux/generic-2.6/files/crypto/ocf/cryptodev.c
deleted file mode 100644
index 87a4c379d4..0000000000
--- a/target/linux/generic-2.6/files/crypto/ocf/cryptodev.c
+++ /dev/null
@@ -1,1061 +0,0 @@
-/*	$OpenBSD: cryptodev.c,v 1.52 2002/06/19 07:22:46 deraadt Exp $	*/
-
-/*-
- * Linux port done by David McCullough <david_mccullough@mcafee.com>
- * Copyright (C) 2006-2010 David McCullough
- * Copyright (C) 2004-2005 Intel Corporation.
- * The license and original author are listed below.
- *
- * Copyright (c) 2001 Theo de Raadt
- * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting
- *
- * 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.
- *
- * Effort sponsored in part by the Defense Advanced Research Projects
- * Agency (DARPA) and Air Force Research Laboratory, Air Force
- * Materiel Command, USAF, under agreement number F30602-01-2-0537.
- *
-__FBSDID("$FreeBSD: src/sys/opencrypto/cryptodev.c,v 1.34 2007/05/09 19:37:02 gnn Exp $");
- */
-
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/delay.h>
-#include <linux/list.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/unistd.h>
-#include <linux/module.h>
-#include <linux/wait.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/dcache.h>
-#include <linux/file.h>
-#include <linux/mount.h>
-#include <linux/miscdevice.h>
-#include <linux/version.h>
-#include <asm/uaccess.h>
-
-#include <cryptodev.h>
-#include <uio.h>
-
-extern asmlinkage long sys_dup(unsigned int fildes);
-
-#define debug cryptodev_debug
-int cryptodev_debug = 0;
-module_param(cryptodev_debug, int, 0644);
-MODULE_PARM_DESC(cryptodev_debug, "Enable cryptodev debug");
-
-struct csession_info {
-	u_int16_t	blocksize;
-	u_int16_t	minkey, maxkey;
-
-	u_int16_t	keysize;
-	/* u_int16_t	hashsize;  */
-	u_int16_t	authsize;
-	u_int16_t	authkey;
-	/* u_int16_t	ctxsize; */
-};
-
-struct csession {
-	struct list_head	list;
-	u_int64_t	sid;
-	u_int32_t	ses;
-
-	wait_queue_head_t waitq;
-
-	u_int32_t	cipher;
-
-	u_int32_t	mac;
-
-	caddr_t		key;
-	int		keylen;
-	u_char		tmp_iv[EALG_MAX_BLOCK_LEN];
-
-	caddr_t		mackey;
-	int		mackeylen;
-
-	struct csession_info info;
-
-	struct iovec	iovec;
-	struct uio	uio;
-	int		error;
-};
-
-struct fcrypt {
-	struct list_head	csessions;
-	int		sesn;
-};
-
-static struct csession *csefind(struct fcrypt *, u_int);
-static int csedelete(struct fcrypt *, struct csession *);
-static struct csession *cseadd(struct fcrypt *, struct csession *);
-static struct csession *csecreate(struct fcrypt *, u_int64_t,
-		struct cryptoini *crie, struct cryptoini *cria, struct csession_info *);
-static int csefree(struct csession *);
-
-static	int cryptodev_op(struct csession *, struct crypt_op *);
-static	int cryptodev_key(struct crypt_kop *);
-static	int cryptodev_find(struct crypt_find_op *);
-
-static int cryptodev_cb(void *);
-static int cryptodev_open(struct inode *inode, struct file *filp);
-
-/*
- * Check a crypto identifier to see if it requested
- * a valid crid and it's capabilities match.
- */
-static int
-checkcrid(int crid)
-{
-	int hid = crid & ~(CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE);
-	int typ = crid & (CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE);
-	int caps = 0;
-	
-	/* if the user hasn't selected a driver, then just call newsession */
-	if (hid == 0 && typ != 0)
-		return 0;
-
-	caps = crypto_getcaps(hid);
-
-	/* didn't find anything with capabilities */
-	if (caps == 0) {
-		dprintk("%s: hid=%x typ=%x not matched\n", __FUNCTION__, hid, typ);
-		return EINVAL;
-	}
-	
-	/* the user didn't specify SW or HW, so the driver is ok */
-	if (typ == 0)
-		return 0;
-
-	/* if the type specified didn't match */
-	if (typ != (caps & (CRYPTOCAP_F_SOFTWARE | CRYPTOCAP_F_HARDWARE))) {
-		dprintk("%s: hid=%x typ=%x caps=%x not matched\n", __FUNCTION__,
-				hid, typ, caps);
-		return EINVAL;
-	}
-
-	return 0;
-}
-
-static int
-cryptodev_op(struct csession *cse, struct crypt_op *cop)
-{
-	struct cryptop *crp = NULL;
-	struct cryptodesc *crde = NULL, *crda = NULL;
-	int error = 0;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (cop->len > CRYPTO_MAX_DATA_LEN) {
-		dprintk("%s: %d > %d\n", __FUNCTION__, cop->len, CRYPTO_MAX_DATA_LEN);
-		return (E2BIG);
-	}
-
-	if (cse->info.blocksize && (cop->len % cse->info.blocksize) != 0) {
-		dprintk("%s: blocksize=%d len=%d\n", __FUNCTION__, cse->info.blocksize,
-				cop->len);
-		return (EINVAL);
-	}
-
-	cse->uio.uio_iov = &cse->iovec;
-	cse->uio.uio_iovcnt = 1;
-	cse->uio.uio_offset = 0;
-#if 0
-	cse->uio.uio_resid = cop->len;
-	cse->uio.uio_segflg = UIO_SYSSPACE;
-	cse->uio.uio_rw = UIO_WRITE;
-	cse->uio.uio_td = td;
-#endif
-	cse->uio.uio_iov[0].iov_len = cop->len;
-	if (cse->info.authsize)
-		cse->uio.uio_iov[0].iov_len += cse->info.authsize;
-	cse->uio.uio_iov[0].iov_base = kmalloc(cse->uio.uio_iov[0].iov_len,
-			GFP_KERNEL);
-
-	if (cse->uio.uio_iov[0].iov_base == NULL) {
-		dprintk("%s: iov_base kmalloc(%d) failed\n", __FUNCTION__,
-				(int)cse->uio.uio_iov[0].iov_len);
-		return (ENOMEM);
-	}
-
-	crp = crypto_getreq((cse->info.blocksize != 0) + (cse->info.authsize != 0));
-	if (crp == NULL) {
-		dprintk("%s: ENOMEM\n", __FUNCTION__);
-		error = ENOMEM;
-		goto bail;
-	}
-
-	if (cse->info.authsize && cse->info.blocksize) {
-		if (cop->op == COP_ENCRYPT) {
-			crde = crp->crp_desc;
-			crda = crde->crd_next;
-		} else {
-			crda = crp->crp_desc;
-			crde = crda->crd_next;
-		}
-	} else if (cse->info.authsize) {
-		crda = crp->crp_desc;
-	} else if (cse->info.blocksize) {
-		crde = crp->crp_desc;
-	} else {
-		dprintk("%s: bad request\n", __FUNCTION__);
-		error = EINVAL;
-		goto bail;
-	}
-
-	if ((error = copy_from_user(cse->uio.uio_iov[0].iov_base, cop->src,
-					cop->len))) {
-		dprintk("%s: bad copy\n", __FUNCTION__);
-		goto bail;
-	}
-
-	if (crda) {
-		crda->crd_skip = 0;
-		crda->crd_len = cop->len;
-		crda->crd_inject = cop->len;
-
-		crda->crd_alg = cse->mac;
-		crda->crd_key = cse->mackey;
-		crda->crd_klen = cse->mackeylen * 8;
-	}
-
-	if (crde) {
-		if (cop->op == COP_ENCRYPT)
-			crde->crd_flags |= CRD_F_ENCRYPT;
-		else
-			crde->crd_flags &= ~CRD_F_ENCRYPT;
-		crde->crd_len = cop->len;
-		crde->crd_inject = 0;
-
-		crde->crd_alg = cse->cipher;
-		crde->crd_key = cse->key;
-		crde->crd_klen = cse->keylen * 8;
-	}
-
-	crp->crp_ilen = cse->uio.uio_iov[0].iov_len;
-	crp->crp_flags = CRYPTO_F_IOV | CRYPTO_F_CBIMM
-		       | (cop->flags & COP_F_BATCH);
-	crp->crp_buf = (caddr_t)&cse->uio;
-	crp->crp_callback = (int (*) (struct cryptop *)) cryptodev_cb;
-	crp->crp_sid = cse->sid;
-	crp->crp_opaque = (void *)cse;
-
-	if (cop->iv) {
-		if (crde == NULL) {
-			error = EINVAL;
-			dprintk("%s no crde\n", __FUNCTION__);
-			goto bail;
-		}
-		if (cse->cipher == CRYPTO_ARC4) { /* XXX use flag? */
-			error = EINVAL;
-			dprintk("%s arc4 with IV\n", __FUNCTION__);
-			goto bail;
-		}
-		if ((error = copy_from_user(cse->tmp_iv, cop->iv,
-						cse->info.blocksize))) {
-			dprintk("%s bad iv copy\n", __FUNCTION__);
-			goto bail;
-		}
-		memcpy(crde->crd_iv, cse->tmp_iv, cse->info.blocksize);
-		crde->crd_flags |= CRD_F_IV_EXPLICIT | CRD_F_IV_PRESENT;
-		crde->crd_skip = 0;
-	} else if (cse->cipher == CRYPTO_ARC4) { /* XXX use flag? */
-		crde->crd_skip = 0;
-	} else if (crde) {
-		crde->crd_flags |= CRD_F_IV_PRESENT;
-		crde->crd_skip = cse->info.blocksize;
-		crde->crd_len -= cse->info.blocksize;
-	}
-
-	if (cop->mac && crda == NULL) {
-		error = EINVAL;
-		dprintk("%s no crda\n", __FUNCTION__);
-		goto bail;
-	}
-
-	/*
-	 * Let the dispatch run unlocked, then, interlock against the
-	 * callback before checking if the operation completed and going
-	 * to sleep.  This insures drivers don't inherit our lock which
-	 * results in a lock order reversal between crypto_dispatch forced
-	 * entry and the crypto_done callback into us.
-	 */
-	error = crypto_dispatch(crp);
-	if (error) {
-		dprintk("%s error in crypto_dispatch\n", __FUNCTION__);
-		goto bail;
-	}
-
-	dprintk("%s about to WAIT\n", __FUNCTION__);
-	/*
-	 * we really need to wait for driver to complete to maintain
-	 * state,  luckily interrupts will be remembered
-	 */
-	do {
-		error = wait_event_interruptible(crp->crp_waitq,
-				((crp->crp_flags & CRYPTO_F_DONE) != 0));
-		/*
-		 * we can't break out of this loop or we will leave behind
-		 * a huge mess,  however,  staying here means if your driver
-		 * is broken user applications can hang and not be killed.
-		 * The solution,  fix your driver :-)
-		 */
-		if (error) {
-			schedule();
-			error = 0;
-		}
-	} while ((crp->crp_flags & CRYPTO_F_DONE) == 0);
-	dprintk("%s finished WAITING error=%d\n", __FUNCTION__, error);
-
-	if (crp->crp_etype != 0) {
-		error = crp->crp_etype;
-		dprintk("%s error in crp processing\n", __FUNCTION__);
-		goto bail;
-	}
-
-	if (cse->error) {
-		error = cse->error;
-		dprintk("%s error in cse processing\n", __FUNCTION__);
-		goto bail;
-	}
-
-	if (cop->dst && (error = copy_to_user(cop->dst,
-					cse->uio.uio_iov[0].iov_base, cop->len))) {
-		dprintk("%s bad dst copy\n", __FUNCTION__);
-		goto bail;
-	}
-
-	if (cop->mac &&
-			(error=copy_to_user(cop->mac,
-				(caddr_t)cse->uio.uio_iov[0].iov_base + cop->len,
-				cse->info.authsize))) {
-		dprintk("%s bad mac copy\n", __FUNCTION__);
-		goto bail;
-	}
-
-bail:
-	if (crp)
-		crypto_freereq(crp);
-	if (cse->uio.uio_iov[0].iov_base)
-		kfree(cse->uio.uio_iov[0].iov_base);
-
-	return (error);
-}
-
-static int
-cryptodev_cb(void *op)
-{
-	struct cryptop *crp = (struct cryptop *) op;
-	struct csession *cse = (struct csession *)crp->crp_opaque;
-	int error;
-
-	dprintk("%s()\n", __FUNCTION__);
-	error = crp->crp_etype;
-	if (error == EAGAIN) {
-		crp->crp_flags &= ~CRYPTO_F_DONE;
-#ifdef NOTYET
-		/*
-		 * DAVIDM I am fairly sure that we should turn this into a batch
-		 * request to stop bad karma/lockup, revisit
-		 */
-		crp->crp_flags |= CRYPTO_F_BATCH;
-#endif
-		return crypto_dispatch(crp);
-	}
-	if (error != 0 || (crp->crp_flags & CRYPTO_F_DONE)) {
-		cse->error = error;
-		wake_up_interruptible(&crp->crp_waitq);
-	}
-	return (0);
-}
-
-static int
-cryptodevkey_cb(void *op)
-{
-	struct cryptkop *krp = (struct cryptkop *) op;
-	dprintk("%s()\n", __FUNCTION__);
-	wake_up_interruptible(&krp->krp_waitq);
-	return (0);
-}
-
-static int
-cryptodev_key(struct crypt_kop *kop)
-{
-	struct cryptkop *krp = NULL;
-	int error = EINVAL;
-	int in, out, size, i;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (kop->crk_iparams + kop->crk_oparams > CRK_MAXPARAM) {
-		dprintk("%s params too big\n", __FUNCTION__);
-		return (EFBIG);
-	}
-
-	in = kop->crk_iparams;
-	out = kop->crk_oparams;
-	switch (kop->crk_op) {
-	case CRK_MOD_EXP:
-		if (in == 3 && out == 1)
-			break;
-		return (EINVAL);
-	case CRK_MOD_EXP_CRT:
-		if (in == 6 && out == 1)
-			break;
-		return (EINVAL);
-	case CRK_DSA_SIGN:
-		if (in == 5 && out == 2)
-			break;
-		return (EINVAL);
-	case CRK_DSA_VERIFY:
-		if (in == 7 && out == 0)
-			break;
-		return (EINVAL);
-	case CRK_DH_COMPUTE_KEY:
-		if (in == 3 && out == 1)
-			break;
-		return (EINVAL);
-	default:
-		return (EINVAL);
-	}
-
-	krp = (struct cryptkop *)kmalloc(sizeof *krp, GFP_KERNEL);
-	if (!krp)
-		return (ENOMEM);
-	bzero(krp, sizeof *krp);
-	krp->krp_op = kop->crk_op;
-	krp->krp_status = kop->crk_status;
-	krp->krp_iparams = kop->crk_iparams;
-	krp->krp_oparams = kop->crk_oparams;
-	krp->krp_crid = kop->crk_crid;
-	krp->krp_status = 0;
-	krp->krp_flags = CRYPTO_KF_CBIMM;
-	krp->krp_callback = (int (*) (struct cryptkop *)) cryptodevkey_cb;
-	init_waitqueue_head(&krp->krp_waitq);
-
-	for (i = 0; i < CRK_MAXPARAM; i++)
-		krp->krp_param[i].crp_nbits = kop->crk_param[i].crp_nbits;
-	for (i = 0; i < krp->krp_iparams + krp->krp_oparams; i++) {
-		size = (krp->krp_param[i].crp_nbits + 7) / 8;
-		if (size == 0)
-			continue;
-		krp->krp_param[i].crp_p = (caddr_t) kmalloc(size, GFP_KERNEL);
-		if (i >= krp->krp_iparams)
-			continue;
-		error = copy_from_user(krp->krp_param[i].crp_p,
-				kop->crk_param[i].crp_p, size);
-		if (error)
-			goto fail;
-	}
-
-	error = crypto_kdispatch(krp);
-	if (error)
-		goto fail;
-
-	do {
-		error = wait_event_interruptible(krp->krp_waitq,
-				((krp->krp_flags & CRYPTO_KF_DONE) != 0));
-		/*
-		 * we can't break out of this loop or we will leave behind
-		 * a huge mess,  however,  staying here means if your driver
-		 * is broken user applications can hang and not be killed.
-		 * The solution,  fix your driver :-)
-		 */
-		if (error) {
-			schedule();
-			error = 0;
-		}
-	} while ((krp->krp_flags & CRYPTO_KF_DONE) == 0);
-
-	dprintk("%s finished WAITING error=%d\n", __FUNCTION__, error);
-	
-	kop->crk_crid = krp->krp_crid;		/* device that did the work */
-	if (krp->krp_status != 0) {
-		error = krp->krp_status;
-		goto fail;
-	}
-
-	for (i = krp->krp_iparams; i < krp->krp_iparams + krp->krp_oparams; i++) {
-		size = (krp->krp_param[i].crp_nbits + 7) / 8;
-		if (size == 0)
-			continue;
-		error = copy_to_user(kop->crk_param[i].crp_p, krp->krp_param[i].crp_p,
-				size);
-		if (error)
-			goto fail;
-	}
-
-fail:
-	if (krp) {
-		kop->crk_status = krp->krp_status;
-		for (i = 0; i < CRK_MAXPARAM; i++) {
-			if (krp->krp_param[i].crp_p)
-				kfree(krp->krp_param[i].crp_p);
-		}
-		kfree(krp);
-	}
-	return (error);
-}
-
-static int
-cryptodev_find(struct crypt_find_op *find)
-{
-	device_t dev;
-
-	if (find->crid != -1) {
-		dev = crypto_find_device_byhid(find->crid);
-		if (dev == NULL)
-			return (ENOENT);
-		strlcpy(find->name, device_get_nameunit(dev),
-		    sizeof(find->name));
-	} else {
-		find->crid = crypto_find_driver(find->name);
-		if (find->crid == -1)
-			return (ENOENT);
-	}
-	return (0);
-}
-
-static struct csession *
-csefind(struct fcrypt *fcr, u_int ses)
-{
-	struct csession *cse;
-
-	dprintk("%s()\n", __FUNCTION__);
-	list_for_each_entry(cse, &fcr->csessions, list)
-		if (cse->ses == ses)
-			return (cse);
-	return (NULL);
-}
-
-static int
-csedelete(struct fcrypt *fcr, struct csession *cse_del)
-{
-	struct csession *cse;
-
-	dprintk("%s()\n", __FUNCTION__);
-	list_for_each_entry(cse, &fcr->csessions, list) {
-		if (cse == cse_del) {
-			list_del(&cse->list);
-			return (1);
-		}
-	}
-	return (0);
-}
-	
-static struct csession *
-cseadd(struct fcrypt *fcr, struct csession *cse)
-{
-	dprintk("%s()\n", __FUNCTION__);
-	list_add_tail(&cse->list, &fcr->csessions);
-	cse->ses = fcr->sesn++;
-	return (cse);
-}
-
-static struct csession *
-csecreate(struct fcrypt *fcr, u_int64_t sid, struct cryptoini *crie,
-	struct cryptoini *cria, struct csession_info *info)
-{
-	struct csession *cse;
-
-	dprintk("%s()\n", __FUNCTION__);
-	cse = (struct csession *) kmalloc(sizeof(struct csession), GFP_KERNEL);
-	if (cse == NULL)
-		return NULL;
-	memset(cse, 0, sizeof(struct csession));
-
-	INIT_LIST_HEAD(&cse->list);
-	init_waitqueue_head(&cse->waitq);
-
-	cse->key = crie->cri_key;
-	cse->keylen = crie->cri_klen/8;
-	cse->mackey = cria->cri_key;
-	cse->mackeylen = cria->cri_klen/8;
-	cse->sid = sid;
-	cse->cipher = crie->cri_alg;
-	cse->mac = cria->cri_alg;
-	cse->info = *info;
-	cseadd(fcr, cse);
-	return (cse);
-}
-
-static int
-csefree(struct csession *cse)
-{
-	int error;
-
-	dprintk("%s()\n", __FUNCTION__);
-	error = crypto_freesession(cse->sid);
-	if (cse->key)
-		kfree(cse->key);
-	if (cse->mackey)
-		kfree(cse->mackey);
-	kfree(cse);
-	return(error);
-}
-
-static int
-cryptodev_ioctl(
-	struct inode *inode,
-	struct file *filp,
-	unsigned int cmd,
-	unsigned long arg)
-{
-	struct cryptoini cria, crie;
-	struct fcrypt *fcr = filp->private_data;
-	struct csession *cse;
-	struct csession_info info;
-	struct session2_op sop;
-	struct crypt_op cop;
-	struct crypt_kop kop;
-	struct crypt_find_op fop;
-	u_int64_t sid;
-	u_int32_t ses = 0;
-	int feat, fd, error = 0, crid;
-	mm_segment_t fs;
-
-	dprintk("%s(cmd=%x arg=%lx)\n", __FUNCTION__, cmd, arg);
-
-	switch (cmd) {
-
-	case CRIOGET: {
-		dprintk("%s(CRIOGET)\n", __FUNCTION__);
-		fs = get_fs();
-		set_fs(get_ds());
-		for (fd = 0; fd < files_fdtable(current->files)->max_fds; fd++)
-			if (files_fdtable(current->files)->fd[fd] == filp)
-				break;
-		fd = sys_dup(fd);
-		set_fs(fs);
-		put_user(fd, (int *) arg);
-		return IS_ERR_VALUE(fd) ? fd : 0;
-		}
-
-#define	CIOCGSESSSTR	(cmd == CIOCGSESSION ? "CIOCGSESSION" : "CIOCGSESSION2")
-	case CIOCGSESSION:
-	case CIOCGSESSION2:
-		dprintk("%s(%s)\n", __FUNCTION__, CIOCGSESSSTR);
-		memset(&crie, 0, sizeof(crie));
-		memset(&cria, 0, sizeof(cria));
-		memset(&info, 0, sizeof(info));
-		memset(&sop, 0, sizeof(sop));
-
-		if (copy_from_user(&sop, (void*)arg, (cmd == CIOCGSESSION) ?
-					sizeof(struct session_op) : sizeof(sop))) {
-			dprintk("%s(%s) - bad copy\n", __FUNCTION__, CIOCGSESSSTR);
-			error = EFAULT;
-			goto bail;
-		}
-
-		switch (sop.cipher) {
-		case 0:
-			dprintk("%s(%s) - no cipher\n", __FUNCTION__, CIOCGSESSSTR);
-			break;
-		case CRYPTO_NULL_CBC:
-			info.blocksize = NULL_BLOCK_LEN;
-			info.minkey = NULL_MIN_KEY_LEN;
-			info.maxkey = NULL_MAX_KEY_LEN;
-			break;
-		case CRYPTO_DES_CBC:
-			info.blocksize = DES_BLOCK_LEN;
-			info.minkey = DES_MIN_KEY_LEN;
-			info.maxkey = DES_MAX_KEY_LEN;
-			break;
-		case CRYPTO_3DES_CBC:
-			info.blocksize = DES3_BLOCK_LEN;
-			info.minkey = DES3_MIN_KEY_LEN;
-			info.maxkey = DES3_MAX_KEY_LEN;
-			break;
-		case CRYPTO_BLF_CBC:
-			info.blocksize = BLOWFISH_BLOCK_LEN;
-			info.minkey = BLOWFISH_MIN_KEY_LEN;
-			info.maxkey = BLOWFISH_MAX_KEY_LEN;
-			break;
-		case CRYPTO_CAST_CBC:
-			info.blocksize = CAST128_BLOCK_LEN;
-			info.minkey = CAST128_MIN_KEY_LEN;
-			info.maxkey = CAST128_MAX_KEY_LEN;
-			break;
-		case CRYPTO_SKIPJACK_CBC:
-			info.blocksize = SKIPJACK_BLOCK_LEN;
-			info.minkey = SKIPJACK_MIN_KEY_LEN;
-			info.maxkey = SKIPJACK_MAX_KEY_LEN;
-			break;
-		case CRYPTO_AES_CBC:
-			info.blocksize = AES_BLOCK_LEN;
-			info.minkey = AES_MIN_KEY_LEN;
-			info.maxkey = AES_MAX_KEY_LEN;
-			break;
-		case CRYPTO_ARC4:
-			info.blocksize = ARC4_BLOCK_LEN;
-			info.minkey = ARC4_MIN_KEY_LEN;
-			info.maxkey = ARC4_MAX_KEY_LEN;
-			break;
-		case CRYPTO_CAMELLIA_CBC:
-			info.blocksize = CAMELLIA_BLOCK_LEN;
-			info.minkey = CAMELLIA_MIN_KEY_LEN;
-			info.maxkey = CAMELLIA_MAX_KEY_LEN;
-			break;
-		default:
-			dprintk("%s(%s) - bad cipher\n", __FUNCTION__, CIOCGSESSSTR);
-			error = EINVAL;
-			goto bail;
-		}
-
-		switch (sop.mac) {
-		case 0:
-			dprintk("%s(%s) - no mac\n", __FUNCTION__, CIOCGSESSSTR);
-			break;
-		case CRYPTO_NULL_HMAC:
-			info.authsize = NULL_HASH_LEN;
-			break;
-		case CRYPTO_MD5:
-			info.authsize = MD5_HASH_LEN;
-			break;
-		case CRYPTO_SHA1:
-			info.authsize = SHA1_HASH_LEN;
-			break;
-		case CRYPTO_SHA2_256:
-			info.authsize = SHA2_256_HASH_LEN;
-			break;
-		case CRYPTO_SHA2_384:
-			info.authsize = SHA2_384_HASH_LEN;
-  			break;
-		case CRYPTO_SHA2_512:
-			info.authsize = SHA2_512_HASH_LEN;
-			break;
-		case CRYPTO_RIPEMD160:
-			info.authsize = RIPEMD160_HASH_LEN;
-			break;
-		case CRYPTO_MD5_HMAC:
-			info.authsize = MD5_HASH_LEN;
-			info.authkey = 16;
-			break;
-		case CRYPTO_SHA1_HMAC:
-			info.authsize = SHA1_HASH_LEN;
-			info.authkey = 20;
-			break;
-		case CRYPTO_SHA2_256_HMAC:
-			info.authsize = SHA2_256_HASH_LEN;
-			info.authkey = 32;
-			break;
-		case CRYPTO_SHA2_384_HMAC:
-			info.authsize = SHA2_384_HASH_LEN;
-			info.authkey = 48;
-  			break;
-		case CRYPTO_SHA2_512_HMAC:
-			info.authsize = SHA2_512_HASH_LEN;
-			info.authkey = 64;
-			break;
-		case CRYPTO_RIPEMD160_HMAC:
-			info.authsize = RIPEMD160_HASH_LEN;
-			info.authkey = 20;
-			break;
-		default:
-			dprintk("%s(%s) - bad mac\n", __FUNCTION__, CIOCGSESSSTR);
-			error = EINVAL;
-			goto bail;
-		}
-
-		if (info.blocksize) {
-			crie.cri_alg = sop.cipher;
-			crie.cri_klen = sop.keylen * 8;
-			if ((info.maxkey && sop.keylen > info.maxkey) ||
-				   	sop.keylen < info.minkey) {
-				dprintk("%s(%s) - bad key\n", __FUNCTION__, CIOCGSESSSTR);
-				error = EINVAL;
-				goto bail;
-			}
-
-			crie.cri_key = (u_int8_t *) kmalloc(crie.cri_klen/8+1, GFP_KERNEL);
-			if (copy_from_user(crie.cri_key, sop.key,
-							crie.cri_klen/8)) {
-				dprintk("%s(%s) - bad copy\n", __FUNCTION__, CIOCGSESSSTR);
-				error = EFAULT;
-				goto bail;
-			}
-			if (info.authsize)
-				crie.cri_next = &cria;
-		}
-
-		if (info.authsize) {
-			cria.cri_alg = sop.mac;
-			cria.cri_klen = sop.mackeylen * 8;
-			if (info.authkey && sop.mackeylen != info.authkey) {
-				dprintk("%s(%s) - mackeylen %d != %d\n", __FUNCTION__,
-						CIOCGSESSSTR, sop.mackeylen, info.authkey);
-				error = EINVAL;
-				goto bail;
-			}
-
-			if (cria.cri_klen) {
-				cria.cri_key = (u_int8_t *) kmalloc(cria.cri_klen/8,GFP_KERNEL);
-				if (copy_from_user(cria.cri_key, sop.mackey,
-								cria.cri_klen / 8)) {
-					dprintk("%s(%s) - bad copy\n", __FUNCTION__, CIOCGSESSSTR);
-					error = EFAULT;
-					goto bail;
-				}
-			}
-		}
-
-		/* NB: CIOGSESSION2 has the crid */
-		if (cmd == CIOCGSESSION2) {
-			crid = sop.crid;
-			error = checkcrid(crid);
-			if (error) {
-				dprintk("%s(%s) - checkcrid %x\n", __FUNCTION__,
-						CIOCGSESSSTR, error);
-				goto bail;
-			}
-		} else {
-			/* allow either HW or SW to be used */
-			crid = CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SOFTWARE;
-		}
-		error = crypto_newsession(&sid, (info.blocksize ? &crie : &cria), crid);
-		if (error) {
-			dprintk("%s(%s) - newsession %d\n",__FUNCTION__,CIOCGSESSSTR,error);
-			goto bail;
-		}
-
-		cse = csecreate(fcr, sid, &crie, &cria, &info);
-		if (cse == NULL) {
-			crypto_freesession(sid);
-			error = EINVAL;
-			dprintk("%s(%s) - csecreate failed\n", __FUNCTION__, CIOCGSESSSTR);
-			goto bail;
-		}
-		sop.ses = cse->ses;
-
-		if (cmd == CIOCGSESSION2) {
-			/* return hardware/driver id */
-			sop.crid = CRYPTO_SESID2HID(cse->sid);
-		}
-
-		if (copy_to_user((void*)arg, &sop, (cmd == CIOCGSESSION) ?
-					sizeof(struct session_op) : sizeof(sop))) {
-			dprintk("%s(%s) - bad copy\n", __FUNCTION__, CIOCGSESSSTR);
-			error = EFAULT;
-		}
-bail:
-		if (error) {
-			dprintk("%s(%s) - bail %d\n", __FUNCTION__, CIOCGSESSSTR, error);
-			if (crie.cri_key)
-				kfree(crie.cri_key);
-			if (cria.cri_key)
-				kfree(cria.cri_key);
-		}
-		break;
-	case CIOCFSESSION:
-		dprintk("%s(CIOCFSESSION)\n", __FUNCTION__);
-		get_user(ses, (uint32_t*)arg);
-		cse = csefind(fcr, ses);
-		if (cse == NULL) {
-			error = EINVAL;
-			dprintk("%s(CIOCFSESSION) - Fail %d\n", __FUNCTION__, error);
-			break;
-		}
-		csedelete(fcr, cse);
-		error = csefree(cse);
-		break;
-	case CIOCCRYPT:
-		dprintk("%s(CIOCCRYPT)\n", __FUNCTION__);
-		if(copy_from_user(&cop, (void*)arg, sizeof(cop))) {
-			dprintk("%s(CIOCCRYPT) - bad copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		cse = csefind(fcr, cop.ses);
-		if (cse == NULL) {
-			error = EINVAL;
-			dprintk("%s(CIOCCRYPT) - Fail %d\n", __FUNCTION__, error);
-			break;
-		}
-		error = cryptodev_op(cse, &cop);
-		if(copy_to_user((void*)arg, &cop, sizeof(cop))) {
-			dprintk("%s(CIOCCRYPT) - bad return copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		break;
-	case CIOCKEY:
-	case CIOCKEY2:
-		dprintk("%s(CIOCKEY)\n", __FUNCTION__);
-		if (!crypto_userasymcrypto)
-			return (EPERM);		/* XXX compat? */
-		if(copy_from_user(&kop, (void*)arg, sizeof(kop))) {
-			dprintk("%s(CIOCKEY) - bad copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		if (cmd == CIOCKEY) {
-			/* NB: crypto core enforces s/w driver use */
-			kop.crk_crid =
-			    CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SOFTWARE;
-		}
-		error = cryptodev_key(&kop);
-		if(copy_to_user((void*)arg, &kop, sizeof(kop))) {
-			dprintk("%s(CIOCGKEY) - bad return copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		break;
-	case CIOCASYMFEAT:
-		dprintk("%s(CIOCASYMFEAT)\n", __FUNCTION__);
-		if (!crypto_userasymcrypto) {
-			/*
-			 * NB: if user asym crypto operations are
-			 * not permitted return "no algorithms"
-			 * so well-behaved applications will just
-			 * fallback to doing them in software.
-			 */
-			feat = 0;
-		} else
-			error = crypto_getfeat(&feat);
-		if (!error) {
-		  error = copy_to_user((void*)arg, &feat, sizeof(feat));
-		}
-		break;
-	case CIOCFINDDEV:
-		if (copy_from_user(&fop, (void*)arg, sizeof(fop))) {
-			dprintk("%s(CIOCFINDDEV) - bad copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		error = cryptodev_find(&fop);
-		if (copy_to_user((void*)arg, &fop, sizeof(fop))) {
-			dprintk("%s(CIOCFINDDEV) - bad return copy\n", __FUNCTION__);
-			error = EFAULT;
-			goto bail;
-		}
-		break;
-	default:
-		dprintk("%s(unknown ioctl 0x%x)\n", __FUNCTION__, cmd);
-		error = EINVAL;
-		break;
-	}
-	return(-error);
-}
-
-#ifdef HAVE_UNLOCKED_IOCTL
-static long
-cryptodev_unlocked_ioctl(
-	struct file *filp,
-	unsigned int cmd,
-	unsigned long arg)
-{
-	return cryptodev_ioctl(NULL, filp, cmd, arg);
-}
-#endif
-
-static int
-cryptodev_open(struct inode *inode, struct file *filp)
-{
-	struct fcrypt *fcr;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (filp->private_data) {
-		printk("cryptodev: Private data already exists !\n");
-		return(0);
-	}
-
-	fcr = kmalloc(sizeof(*fcr), GFP_KERNEL);
-	if (!fcr) {
-		dprintk("%s() - malloc failed\n", __FUNCTION__);
-		return(-ENOMEM);
-	}
-	memset(fcr, 0, sizeof(*fcr));
-
-	INIT_LIST_HEAD(&fcr->csessions);
-	filp->private_data = fcr;
-	return(0);
-}
-
-static int
-cryptodev_release(struct inode *inode, struct file *filp)
-{
-	struct fcrypt *fcr = filp->private_data;
-	struct csession *cse, *tmp;
-
-	dprintk("%s()\n", __FUNCTION__);
-	if (!filp) {
-		printk("cryptodev: No private data on release\n");
-		return(0);
-	}
-
-	list_for_each_entry_safe(cse, tmp, &fcr->csessions, list) {
-		list_del(&cse->list);
-		(void)csefree(cse);
-	}
-	filp->private_data = NULL;
-	kfree(fcr);
-	return(0);
-}
-
-static struct file_operations cryptodev_fops = {
-	.owner = THIS_MODULE,
-	.open = cryptodev_open,
-	.release = cryptodev_release,
-	.ioctl = cryptodev_ioctl,
-#ifdef HAVE_UNLOCKED_IOCTL
-	.unlocked_ioctl = cryptodev_unlocked_ioctl,
-#endif
-};
-
-static struct miscdevice cryptodev = {
-	.minor = CRYPTODEV_MINOR,
-	.name = "crypto",
-	.fops = &cryptodev_fops,
-};
-
-static int __init
-cryptodev_init(void)
-{
-	int rc;
-
-	dprintk("%s(%p)\n", __FUNCTION__, cryptodev_init);
-	rc = misc_register(&cryptodev);
-	if (rc) {
-		printk(KERN_ERR "cryptodev: registration of /dev/crypto failed\n");
-		return(rc);
-	}
-
-	return(0);
-}
-
-static void __exit
-cryptodev_exit(void)
-{
-	dprintk("%s()\n", __FUNCTION__);
-	misc_deregister(&cryptodev);
-}
-
-module_init(cryptodev_init);
-module_exit(cryptodev_exit);
-
-MODULE_LICENSE("BSD");
-MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>");
-MODULE_DESCRIPTION("Cryptodev (user interface to OCF)");