#ifndef _CRYPTO_TWOFISH_H
#define _CRYPTO_TWOFISH_H

#include <linux/types.h>

#define TF_MIN_KEY_SIZE 16
#define TF_MAX_KEY_SIZE 32
#define TF_BLOCK_SIZE 16

struct crypto_tfm;

/* Structure for an expanded Twofish key.  s contains the key-dependent
 * S-boxes composed with the MDS matrix; w contains the eight "whitening"
 * subkeys, K[0] through K[7].	k holds the remaining, "round" subkeys.  Note
 * that k[i] corresponds to what the Twofish paper calls K[i+8]. */
struct twofish_ctx {
	u32 s[4][256], w[8], k[32];
};

int __twofish_setkey(struct twofish_ctx *ctx, const u8 *key,
		     unsigned int key_len, u32 *flags);
int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);

#endif
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<tr><th>author</th><td>zhong jiang &lt;zhongjiang@huawei.com&gt;</td><td class='right'>2017-01-24 15:18:52 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-01-24 16:26:14 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/net/9p/client.h?h=nds-private-remove&amp;id=3277953de2f31dd03c6375e9a9f680ac37fc9d27'>3277953de2f31dd03c6375e9a9f680ac37fc9d27</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/net/9p/client.h?id=3277953de2f31dd03c6375e9a9f680ac37fc9d27'>patch</a>)</td></tr>
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<div class='commit-subject'>mm: do not export ioremap_page_range symbol for external module</div><div class='commit-msg'>Recently, I've found cases in which ioremap_page_range was used
incorrectly, in external modules, leading to crashes.  This can be
partly attributed to the fact that ioremap_page_range is lower-level,
with fewer protections, as compared to the other functions that an
external module would typically call.  Those include:

     ioremap_cache
     ioremap_nocache
     ioremap_prot
     ioremap_uc
     ioremap_wc
     ioremap_wt

...each of which wraps __ioremap_caller, which in turn provides a safer
way to achieve the mapping.

Therefore, stop EXPORT-ing ioremap_page_range.

Link: http://lkml.kernel.org/r/1485173220-29010-1-git-send-email-zhongjiang@huawei.com
Signed-off-by: zhong jiang &lt;zhongjiang@huawei.com&gt;
Reviewed-by: John Hubbard &lt;jhubbard@nvidia.com&gt;
Suggested-by: John Hubbard &lt;jhubbard@nvidia.com&gt;
Acked-by: Michal Hocko &lt;mhocko@suse.com&gt;
Signed-off-by: Andrew Morton &lt;akpm@linux-foundation.org&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=3277953de2f31dd03c6375e9a9f680ac37fc9d27'>Diffstat</a> (limited to 'include/net/9p/client.h')</div><table summary='diffstat' class='diffstat'>