diff options
Diffstat (limited to 'target/linux/generic-2.4/files/crypto/ocf/criov.c')
| -rw-r--r-- | target/linux/generic-2.4/files/crypto/ocf/criov.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/target/linux/generic-2.4/files/crypto/ocf/criov.c b/target/linux/generic-2.4/files/crypto/ocf/criov.c deleted file mode 100644 index 6d7d3ad452..0000000000 --- a/target/linux/generic-2.4/files/crypto/ocf/criov.c +++ /dev/null @@ -1,215 +0,0 @@ -/* $OpenBSD: criov.c,v 1.9 2002/01/29 15:48:29 jason 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) 1999 Theo de Raadt - * - * 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. - * -__FBSDID("$FreeBSD: src/sys/opencrypto/criov.c,v 1.5 2006/06/04 22:15:13 pjd Exp $"); - */ - -#ifndef AUTOCONF_INCLUDED -#include <linux/config.h> -#endif -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/uio.h> -#include <linux/skbuff.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <asm/io.h> - -#include <uio.h> -#include <cryptodev.h> - -/* - * This macro is only for avoiding code duplication, as we need to skip - * given number of bytes in the same way in three functions below. - */ -#define CUIO_SKIP() do { \ - KASSERT(off >= 0, ("%s: off %d < 0", __func__, off)); \ - KASSERT(len >= 0, ("%s: len %d < 0", __func__, len)); \ - while (off > 0) { \ - KASSERT(iol >= 0, ("%s: empty in skip", __func__)); \ - if (off < iov->iov_len) \ - break; \ - off -= iov->iov_len; \ - iol--; \ - iov++; \ - } \ -} while (0) - -void -cuio_copydata(struct uio* uio, int off, int len, caddr_t cp) -{ - struct iovec *iov = uio->uio_iov; - int iol = uio->uio_iovcnt; - unsigned count; - - CUIO_SKIP(); - while (len > 0) { - KASSERT(iol >= 0, ("%s: empty", __func__)); - count = min((int)(iov->iov_len - off), len); - memcpy(cp, ((caddr_t)iov->iov_base) + off, count); - len -= count; - cp += count; - off = 0; - iol--; - iov++; - } -} - -void -cuio_copyback(struct uio* uio, int off, int len, caddr_t cp) -{ - struct iovec *iov = uio->uio_iov; - int iol = uio->uio_iovcnt; - unsigned count; - - CUIO_SKIP(); - while (len > 0) { - KASSERT(iol >= 0, ("%s: empty", __func__)); - count = min((int)(iov->iov_len - off), len); - memcpy(((caddr_t)iov->iov_base) + off, cp, count); - len -= count; - cp += count; - off = 0; - iol--; - iov++; - } -} - -/* - * Return a pointer to iov/offset of location in iovec list. - */ -struct iovec * -cuio_getptr(struct uio *uio, int loc, int *off) -{ - struct iovec *iov = uio->uio_iov; - int iol = uio->uio_iovcnt; - - while (loc >= 0) { - /* Normal end of search */ - if (loc < iov->iov_len) { - *off = loc; - return (iov); - } - - loc -= iov->iov_len; - if (iol == 0) { - if (loc == 0) { - /* Point at the end of valid data */ - *off = iov->iov_len; - return (iov); - } else - return (NULL); - } else { - iov++, iol--; - } - } - - return (NULL); -} - -EXPORT_SYMBOL(cuio_copyback); -EXPORT_SYMBOL(cuio_copydata); -EXPORT_SYMBOL(cuio_getptr); - - -static void -skb_copy_bits_back(struct sk_buff *skb, int offset, caddr_t cp, int len) -{ - int i; - if (offset < skb_headlen(skb)) { - memcpy(skb->data + offset, cp, min_t(int, skb_headlen(skb), len)); - len -= skb_headlen(skb); - cp += skb_headlen(skb); - } - offset -= skb_headlen(skb); - for (i = 0; len > 0 && i < skb_shinfo(skb)->nr_frags; i++) { - if (offset < skb_shinfo(skb)->frags[i].size) { - memcpy(page_address(skb_shinfo(skb)->frags[i].page) + - skb_shinfo(skb)->frags[i].page_offset, - cp, min_t(int, skb_shinfo(skb)->frags[i].size, len)); - len -= skb_shinfo(skb)->frags[i].size; - cp += skb_shinfo(skb)->frags[i].size; - } - offset -= skb_shinfo(skb)->frags[i].size; - } -} - -void -crypto_copyback(int flags, caddr_t buf, int off, int size, caddr_t in) -{ - - if ((flags & CRYPTO_F_SKBUF) != 0) - skb_copy_bits_back((struct sk_buff *)buf, off, in, size); - else if ((flags & CRYPTO_F_IOV) != 0) - cuio_copyback((struct uio *)buf, off, size, in); - else - bcopy(in, buf + off, size); -} - -void -crypto_copydata(int flags, caddr_t buf, int off, int size, caddr_t out) -{ - - if ((flags & CRYPTO_F_SKBUF) != 0) - skb_copy_bits((struct sk_buff *)buf, off, out, size); - else if ((flags & CRYPTO_F_IOV) != 0) - cuio_copydata((struct uio *)buf, off, size, out); - else - bcopy(buf + off, out, size); -} - -int -crypto_apply(int flags, caddr_t buf, int off, int len, - int (*f)(void *, void *, u_int), void *arg) -{ -#if 0 - int error; - - if ((flags & CRYPTO_F_SKBUF) != 0) - error = XXXXXX((struct mbuf *)buf, off, len, f, arg); - else if ((flags & CRYPTO_F_IOV) != 0) - error = cuio_apply((struct uio *)buf, off, len, f, arg); - else - error = (*f)(arg, buf + off, len); - return (error); -#else - KASSERT(0, ("crypto_apply not implemented!\n")); -#endif - return 0; -} - -EXPORT_SYMBOL(crypto_copyback); -EXPORT_SYMBOL(crypto_copydata); -EXPORT_SYMBOL(crypto_apply); - |