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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 14:46:51 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-21 14:46:51 -0700 |
commit | 2a8ba8f032160552a3beffab8aae9019ff477504 (patch) | |
tree | b50f70a3c8f7c2e179e1587d33ea3542d68525f9 /include | |
parent | ec2a7587e0a91d5c1afe23a0a73edfce06c5e4e0 (diff) | |
parent | e954bc91bdd4bb08b8325478c5004b24a23a3522 (diff) | |
download | linux-3.10-2a8ba8f032160552a3beffab8aae9019ff477504.tar.gz linux-3.10-2a8ba8f032160552a3beffab8aae9019ff477504.tar.bz2 linux-3.10-2a8ba8f032160552a3beffab8aae9019ff477504.zip |
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)
random: simplify fips mode
crypto: authenc - Fix cryptlen calculation
crypto: talitos - add support for sha224
crypto: talitos - add hash algorithms
crypto: talitos - second prepare step for adding ahash algorithms
crypto: talitos - prepare for adding ahash algorithms
crypto: n2 - Add Niagara2 crypto driver
crypto: skcipher - Add ablkcipher_walk interfaces
crypto: testmgr - Add testing for async hashing and update/final
crypto: tcrypt - Add speed tests for async hashing
crypto: scatterwalk - Fix scatterwalk_done() test
crypto: hifn_795x - Rename ablkcipher_walk to hifn_cipher_walk
padata: Use get_online_cpus/put_online_cpus in padata_free
padata: Add some code comments
padata: Flush the padata queues actively
padata: Use a timer to handle remaining objects in the reorder queues
crypto: shash - Remove usage of CRYPTO_MINALIGN
crypto: mv_cesa - Use resource_size
crypto: omap - OMAP macros corrected
padata: Use get_online_cpus/put_online_cpus
...
Fix up conflicts in arch/arm/mach-omap2/devices.c
Diffstat (limited to 'include')
-rw-r--r-- | include/crypto/algapi.h | 40 | ||||
-rw-r--r-- | include/linux/padata.h | 55 |
2 files changed, 95 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index fc0d575c71e..59c3e5bd2c0 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -103,6 +103,23 @@ struct blkcipher_walk { unsigned int blocksize; }; +struct ablkcipher_walk { + struct { + struct page *page; + unsigned int offset; + } src, dst; + + struct scatter_walk in; + unsigned int nbytes; + struct scatter_walk out; + unsigned int total; + struct list_head buffers; + u8 *iv_buffer; + u8 *iv; + int flags; + unsigned int blocksize; +}; + extern const struct crypto_type crypto_ablkcipher_type; extern const struct crypto_type crypto_aead_type; extern const struct crypto_type crypto_blkcipher_type; @@ -173,6 +190,12 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc, struct blkcipher_walk *walk, unsigned int blocksize); +int ablkcipher_walk_done(struct ablkcipher_request *req, + struct ablkcipher_walk *walk, int err); +int ablkcipher_walk_phys(struct ablkcipher_request *req, + struct ablkcipher_walk *walk); +void __ablkcipher_walk_complete(struct ablkcipher_walk *walk); + static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm) { return PTR_ALIGN(crypto_tfm_ctx(tfm), @@ -283,6 +306,23 @@ static inline void blkcipher_walk_init(struct blkcipher_walk *walk, walk->total = nbytes; } +static inline void ablkcipher_walk_init(struct ablkcipher_walk *walk, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes) +{ + walk->in.sg = src; + walk->out.sg = dst; + walk->total = nbytes; + INIT_LIST_HEAD(&walk->buffers); +} + +static inline void ablkcipher_walk_complete(struct ablkcipher_walk *walk) +{ + if (unlikely(!list_empty(&walk->buffers))) + __ablkcipher_walk_complete(walk); +} + static inline struct crypto_async_request *crypto_get_backlog( struct crypto_queue *queue) { diff --git a/include/linux/padata.h b/include/linux/padata.h index 51611da9c49..8d8406246ee 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -24,7 +24,19 @@ #include <linux/workqueue.h> #include <linux/spinlock.h> #include <linux/list.h> +#include <linux/timer.h> +/** + * struct padata_priv - Embedded to the users data structure. + * + * @list: List entry, to attach to the padata lists. + * @pd: Pointer to the internal control structure. + * @cb_cpu: Callback cpu for serializatioon. + * @seq_nr: Sequence number of the parallelized data object. + * @info: Used to pass information from the parallel to the serial function. + * @parallel: Parallel execution function. + * @serial: Serial complete function. + */ struct padata_priv { struct list_head list; struct parallel_data *pd; @@ -35,11 +47,29 @@ struct padata_priv { void (*serial)(struct padata_priv *padata); }; +/** + * struct padata_list + * + * @list: List head. + * @lock: List lock. + */ struct padata_list { struct list_head list; spinlock_t lock; }; +/** + * struct padata_queue - The percpu padata queues. + * + * @parallel: List to wait for parallelization. + * @reorder: List to wait for reordering after parallel processing. + * @serial: List to wait for serialization after reordering. + * @pwork: work struct for parallelization. + * @swork: work struct for serialization. + * @pd: Backpointer to the internal control structure. + * @num_obj: Number of objects that are processed by this cpu. + * @cpu_index: Index of the cpu. + */ struct padata_queue { struct padata_list parallel; struct padata_list reorder; @@ -51,6 +81,20 @@ struct padata_queue { int cpu_index; }; +/** + * struct parallel_data - Internal control structure, covers everything + * that depends on the cpumask in use. + * + * @pinst: padata instance. + * @queue: percpu padata queues. + * @seq_nr: The sequence number that will be attached to the next object. + * @reorder_objects: Number of objects waiting in the reorder queues. + * @refcnt: Number of objects holding a reference on this parallel_data. + * @max_seq_nr: Maximal used sequence number. + * @cpumask: cpumask in use. + * @lock: Reorder lock. + * @timer: Reorder timer. + */ struct parallel_data { struct padata_instance *pinst; struct padata_queue *queue; @@ -60,8 +104,19 @@ struct parallel_data { unsigned int max_seq_nr; cpumask_var_t cpumask; spinlock_t lock; + struct timer_list timer; }; +/** + * struct padata_instance - The overall control structure. + * + * @cpu_notifier: cpu hotplug notifier. + * @wq: The workqueue in use. + * @pd: The internal control structure. + * @cpumask: User supplied cpumask. + * @lock: padata instance lock. + * @flags: padata flags. + */ struct padata_instance { struct notifier_block cpu_notifier; struct workqueue_struct *wq; |