Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (46 commits)
  hwrng: via_rng - Fix memory scribbling on some CPUs
  crypto: padlock - Move padlock.h into include/crypto
  hwrng: via_rng - Fix asm constraints
  crypto: n2 - use __devexit not __exit in n2_unregister_algs
  crypto: mark crypto workqueues CPU_INTENSIVE
  crypto: mv_cesa - dont return PTR_ERR() of wrong pointer
  crypto: ripemd - Set module author and update email address
  crypto: omap-sham - backlog handling fix
  crypto: gf128mul - Remove experimental tag
  crypto: af_alg - fix af_alg memory_allocated data type
  crypto: aesni-intel - Fixed build with binutils 2.16
  crypto: af_alg - Make sure sk_security is initialized on accept()ed sockets
  net: Add missing lockdep class names for af_alg
  include: Install linux/if_alg.h for user-space crypto API
  crypto: omap-aes - checkpatch --file warning fixes
  crypto: omap-aes - initialize aes module once per request
  crypto: omap-aes - unnecessary code removed
  crypto: omap-aes - error handling implementation improved
  crypto: omap-aes - redundant locking is removed
  crypto: omap-aes - DMA initialization fixes for OMAP off mode
  ...

6 files changed, 181 insertions, 1 deletions

diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
new file mode 100644
index 000000000000..c5813c87de06
--- /dev/null
+++ b/include/crypto/if_alg.h
@@ -0,0 +1,92 @@
+/*
+ * if_alg: User-space algorithm interface
+ *
+ * Copyright (c) 2010 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#ifndef _CRYPTO_IF_ALG_H
+#define _CRYPTO_IF_ALG_H
+
+#include <linux/compiler.h>
+#include <linux/completion.h>
+#include <linux/if_alg.h>
+#include <linux/types.h>
+#include <net/sock.h>
+
+#define ALG_MAX_PAGES                   16
+
+struct crypto_async_request;
+
+struct alg_sock {
+        /* struct sock must be the first member of struct alg_sock */
+        struct sock sk;
+
+        struct sock *parent;
+
+        const struct af_alg_type *type;
+        void *private;
+};
+
+struct af_alg_completion {
+        struct completion completion;
+        int err;
+};
+
+struct af_alg_control {
+        struct af_alg_iv *iv;
+        int op;
+};
+
+struct af_alg_type {
+        void *(*bind)(const char *name, u32 type, u32 mask);
+        void (*release)(void *private);
+        int (*setkey)(void *private, const u8 *key, unsigned int keylen);
+        int (*accept)(void *private, struct sock *sk);
+
+        struct proto_ops *ops;
+        struct module *owner;
+        char name[14];
+};
+
+struct af_alg_sgl {
+        struct scatterlist sg[ALG_MAX_PAGES];
+        struct page *pages[ALG_MAX_PAGES];
+};
+
+int af_alg_register_type(const struct af_alg_type *type);
+int af_alg_unregister_type(const struct af_alg_type *type);
+
+int af_alg_release(struct socket *sock);
+int af_alg_accept(struct sock *sk, struct socket *newsock);
+
+int af_alg_make_sg(struct af_alg_sgl *sgl, void __user *addr, int len,
+                   int write);
+void af_alg_free_sg(struct af_alg_sgl *sgl);
+
+int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);
+
+int af_alg_wait_for_completion(int err, struct af_alg_completion *completion);
+void af_alg_complete(struct crypto_async_request *req, int err);
+
+static inline struct alg_sock *alg_sk(struct sock *sk)
+{
+        return (struct alg_sock *)sk;
+}
+
+static inline void af_alg_release_parent(struct sock *sk)
+{
+        sock_put(alg_sk(sk)->parent);
+}
+
+static inline void af_alg_init_completion(struct af_alg_completion *completion)
+{
+        init_completion(&completion->completion);
+}
+
+#endif  /* _CRYPTO_IF_ALG_H */
diff --git a/include/crypto/padlock.h b/include/crypto/padlock.h
new file mode 100644
index 000000000000..d2cfa2ef49e8
--- /dev/null
+++ b/include/crypto/padlock.h
@@ -0,0 +1,29 @@
+/*
+ * Driver for VIA PadLock
+ *
+ * Copyright (c) 2004 Michal Ludvig <michal@logix.cz>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option) 
+ * any later version.
+ *
+ */
+
+#ifndef _CRYPTO_PADLOCK_H
+#define _CRYPTO_PADLOCK_H
+
+#define PADLOCK_ALIGNMENT 16
+
+#define PFX     KBUILD_MODNAME ": "
+
+#define PADLOCK_CRA_PRIORITY    300
+#define PADLOCK_COMPOSITE_PRIORITY 400
+
+#ifdef CONFIG_64BIT
+#define STACK_ALIGN 16
+#else
+#define STACK_ALIGN 4
+#endif
+
+#endif  /* _CRYPTO_PADLOCK_H */
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 833d208c25d6..4fd95a323beb 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -68,6 +68,21 @@ static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
         return (++sg)->length ? sg : (void *)sg_page(sg);
 }
 
+static inline void scatterwalk_crypto_chain(struct scatterlist *head,
+                                            struct scatterlist *sg,
+                                            int chain, int num)
+{
+        if (chain) {
+                head->length += sg->length;
+                sg = scatterwalk_sg_next(sg);
+        }
+
+        if (sg)
+                scatterwalk_sg_chain(head, num, sg);
+        else
+                sg_mark_end(head);
+}
+
 static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,
                                                 struct scatter_walk *walk_out)
 {
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index d1580c17cab3..2296d8b1931f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -158,6 +158,7 @@ header-y += icmpv6.h
 header-y += if.h
 header-y += if_addr.h
 header-y += if_addrlabel.h
+header-y += if_alg.h
 header-y += if_arcnet.h
 header-y += if_arp.h
 header-y += if_bonding.h
diff --git a/include/linux/if_alg.h b/include/linux/if_alg.h
new file mode 100644
index 000000000000..0f9acce5b1ff
--- /dev/null
+++ b/include/linux/if_alg.h
@@ -0,0 +1,40 @@
+/*
+ * if_alg: User-space algorithm interface
+ *
+ * Copyright (c) 2010 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#ifndef _LINUX_IF_ALG_H
+#define _LINUX_IF_ALG_H
+
+#include <linux/types.h>
+
+struct sockaddr_alg {
+        __u16   salg_family;
+        __u8    salg_type[14];
+        __u32   salg_feat;
+        __u32   salg_mask;
+        __u8    salg_name[64];
+};
+
+struct af_alg_iv {
+        __u32   ivlen;
+        __u8    iv[0];
+};
+
+/* Socket options */
+#define ALG_SET_KEY                     1
+#define ALG_SET_IV                      2
+#define ALG_SET_OP                      3
+
+/* Operations */
+#define ALG_OP_DECRYPT                  0
+#define ALG_OP_ENCRYPT                  1
+
+#endif  /* _LINUX_IF_ALG_H */
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 5f65f14c4f44..edbb1d07ddf4 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -191,7 +191,8 @@ struct ucred {
 #define AF_PHONET       35      /* Phonet sockets               */
 #define AF_IEEE802154   36      /* IEEE802154 sockets           */
 #define AF_CAIF         37      /* CAIF sockets                 */
-#define AF_MAX          38      /* For now.. */
+#define AF_ALG          38      /* Algorithm sockets            */
+#define AF_MAX          39      /* For now.. */
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC       AF_UNSPEC
@@ -232,6 +233,7 @@ struct ucred {
 #define PF_PHONET       AF_PHONET
 #define PF_IEEE802154   AF_IEEE802154
 #define PF_CAIF         AF_CAIF
+#define PF_ALG          AF_ALG
 #define PF_MAX          AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
@@ -305,6 +307,7 @@ struct ucred {
 #define SOL_RDS         276
 #define SOL_IUCV        277
 #define SOL_CAIF        278
+#define SOL_ALG         279
 
 /* IPX options */
 #define IPX_TYPE        1