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

Browse Source 
Pull crypto update from Herbert Xu:
 - add multibuffer infrastructure (single_task_running scheduler helper,
   OKed by Peter on lkml.
 - add SHA1 multibuffer implementation for AVX2.
 - reenable "by8" AVX CTR optimisation after fixing counter overflow.
 - add APM X-Gene SoC RNG support.
 - SHA256/SHA512 now handles unaligned input correctly.
 - set lz4 decompressed length correctly.
 - fix algif socket buffer allocation failure for 64K page machines.
 - misc fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (47 commits)
  crypto: sha - Handle unaligned input data in generic sha256 and sha512.
  Revert "crypto: aesni - disable "by8" AVX CTR optimization"
  crypto: aesni - remove unused defines in "by8" variant
  crypto: aesni - fix counter overflow handling in "by8" variant
  hwrng: printk replacement
  crypto: qat - Removed unneeded partial state
  crypto: qat - Fix typo in name of tasklet_struct
  crypto: caam - Dynamic allocation of addresses for various memory blocks in CAAM.
  crypto: mcryptd - Fix typos in CRYPTO_MCRYPTD description
  crypto: algif - avoid excessive use of socket buffer in skcipher
  arm64: dts: add random number generator dts node to APM X-Gene platform.
  Documentation: rng: Add X-Gene SoC RNG driver documentation
  hwrng: xgene - add support for APM X-Gene SoC RNG support
  crypto: mv_cesa - Add missing #define
  crypto: testmgr - add test for lz4 and lz4hc
  crypto: lz4,lz4hc - fix decompression
  crypto: qat - Use pci_enable_msix_exact() instead of pci_enable_msix()
  crypto: drbg - fix maximum value checks on 32 bit systems
  crypto: drbg - fix sparse warning for cpu_to_be[32|64]
  crypto: sha-mb - sha1_mb_alg_state can be static
  ...
This commit is contained in:
Linus Torvalds
2014-10-08 06:44:48 -04:00
parent 0223f9aaef be34c4ef69
commit 87d7bcee4f
50 changed files with 4723 additions and 854 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/crypto/drbg.h
+6 -13
View File
@@ -82,15 +82,6 @@ typedef uint32_t drbg_flag_t;
struct drbg_core {
drbg_flag_t flags; /* flags for the cipher */
__u8 statelen; /* maximum state length */
/*
* maximum length of personalization string or additional input
* string -- exponent for base 2
*/
__u8 max_addtllen;
/* maximum bits per RNG request -- exponent for base 2*/
__u8 max_bits;
/* maximum number of requests -- exponent for base 2 */
__u8 max_req;
__u8 blocklen_bytes; /* block size of output in bytes */
char cra_name[CRYPTO_MAX_ALG_NAME]; /* mapping to kernel crypto API */
/* kernel crypto API backend cipher name */
@@ -156,12 +147,13 @@ static inline __u8 drbg_keylen(struct drbg_state *drbg)
static inline size_t drbg_max_request_bytes(struct drbg_state *drbg)
{
/* max_bits is in bits, but buflen is in bytes */
return (1 << (drbg->core->max_bits - 3));
/* SP800-90A requires the limit 2**19 bits, but we return bytes */
return (1 << 16);
}
static inline size_t drbg_max_addtl(struct drbg_state *drbg)
{
/* SP800-90A requires 2**35 bytes additional info str / pers str */
#if (__BITS_PER_LONG == 32)
/*
* SP800-90A allows smaller maximum numbers to be returned -- we
@@ -170,16 +162,17 @@ static inline size_t drbg_max_addtl(struct drbg_state *drbg)
*/
return (SIZE_MAX - 1);
#else
return (1UL<<(drbg->core->max_addtllen));
return (1UL<<35);
#endif
}
static inline size_t drbg_max_requests(struct drbg_state *drbg)
{
/* SP800-90A requires 2**48 maximum requests before reseeding */
#if (__BITS_PER_LONG == 32)
return SIZE_MAX;
#else
return (1UL<<(drbg->core->max_req));
return (1UL<<48);
#endif
}
include/crypto/internal/hash.h
+9
View File
@@ -117,6 +117,15 @@ int shash_ahash_update(struct ahash_request *req, struct shash_desc *desc);
int shash_ahash_finup(struct ahash_request *req, struct shash_desc *desc);
int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc);
int shash_ahash_mcryptd_update(struct ahash_request *req,
struct shash_desc *desc);
int shash_ahash_mcryptd_final(struct ahash_request *req,
struct shash_desc *desc);
int shash_ahash_mcryptd_finup(struct ahash_request *req,
struct shash_desc *desc);
int shash_ahash_mcryptd_digest(struct ahash_request *req,
struct shash_desc *desc);
int crypto_init_shash_ops_async(struct crypto_tfm *tfm);
static inline void *crypto_ahash_ctx(struct crypto_ahash *tfm)
include/crypto/mcryptd.h
+112
View File
@@ -0,0 +1,112 @@
/*
* Software async multibuffer crypto daemon headers
*
* Author:
* Tim Chen <tim.c.chen@linux.intel.com>
*
* Copyright (c) 2014, Intel Corporation.
*/
#ifndef _CRYPTO_MCRYPT_H
#define _CRYPTO_MCRYPT_H
#include <linux/crypto.h>
#include <linux/kernel.h>
#include <crypto/hash.h>
struct mcryptd_ahash {
struct crypto_ahash base;
};
static inline struct mcryptd_ahash *__mcryptd_ahash_cast(
struct crypto_ahash *tfm)
{
return (struct mcryptd_ahash *)tfm;
}
struct mcryptd_cpu_queue {
struct crypto_queue queue;
struct work_struct work;
};
struct mcryptd_queue {
struct mcryptd_cpu_queue __percpu *cpu_queue;
};
struct mcryptd_instance_ctx {
struct crypto_spawn spawn;
struct mcryptd_queue *queue;
};
struct mcryptd_hash_ctx {
struct crypto_shash *child;
struct mcryptd_alg_state *alg_state;
};
struct mcryptd_tag {
/* seq number of request */
unsigned seq_num;
/* arrival time of request */
unsigned long arrival;
unsigned long expire;
int cpu;
};
struct mcryptd_hash_request_ctx {
struct list_head waiter;
crypto_completion_t complete;
struct mcryptd_tag tag;
struct crypto_hash_walk walk;
u8 *out;
int flag;
struct shash_desc desc;
};
struct mcryptd_ahash *mcryptd_alloc_ahash(const char *alg_name,
u32 type, u32 mask);
struct crypto_shash *mcryptd_ahash_child(struct mcryptd_ahash *tfm);
struct shash_desc *mcryptd_shash_desc(struct ahash_request *req);
void mcryptd_free_ahash(struct mcryptd_ahash *tfm);
void mcryptd_flusher(struct work_struct *work);
enum mcryptd_req_type {
MCRYPTD_NONE,
MCRYPTD_UPDATE,
MCRYPTD_FINUP,
MCRYPTD_DIGEST,
MCRYPTD_FINAL
};
struct mcryptd_alg_cstate {
unsigned long next_flush;
unsigned next_seq_num;
bool flusher_engaged;
struct delayed_work flush;
int cpu;
struct mcryptd_alg_state *alg_state;
void *mgr;
spinlock_t work_lock;
struct list_head work_list;
struct list_head flush_list;
};
struct mcryptd_alg_state {
struct mcryptd_alg_cstate __percpu *alg_cstate;
unsigned long (*flusher)(struct mcryptd_alg_cstate *cstate);
};
/* return delay in jiffies from current time */
static inline unsigned long get_delay(unsigned long t)
{
long delay;
delay = (long) t - (long) jiffies;
if (delay <= 0)
return 0;
else
return (unsigned long) delay;
}
void mcryptd_arm_flusher(struct mcryptd_alg_cstate *cstate, unsigned long delay);
#endif
include/linux/sched.h
+1
View File
@@ -167,6 +167,7 @@ extern int nr_threads;
DECLARE_PER_CPU(unsigned long, process_counts);
extern int nr_processes(void);
extern unsigned long nr_running(void);
extern bool single_task_running(void);
extern unsigned long nr_iowait(void);
extern unsigned long nr_iowait_cpu(int cpu);
extern void get_iowait_load(unsigned long *nr_waiters, unsigned long *load);