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-rw-r--r--include/crypto/acompress.h18
-rw-r--r--include/crypto/algapi.h25
-rw-r--r--include/crypto/chacha.h4
-rw-r--r--include/crypto/chacha20poly1305.h2
-rw-r--r--include/crypto/hash.h2
-rw-r--r--include/crypto/if_alg.h4
-rw-r--r--include/crypto/internal/geniv.h2
-rw-r--r--include/crypto/sha.h1
-rw-r--r--include/crypto/skcipher.h2
-rw-r--r--include/linux/crypto.h41
-rw-r--r--include/linux/mpi.h3
-rw-r--r--include/linux/padata.h21
12 files changed, 88 insertions, 37 deletions
diff --git a/include/crypto/acompress.h b/include/crypto/acompress.h
index 2b4d2b06ccbd..fcde59c65a81 100644
--- a/include/crypto/acompress.h
+++ b/include/crypto/acompress.h
@@ -106,6 +106,24 @@ struct acomp_alg {
*/
struct crypto_acomp *crypto_alloc_acomp(const char *alg_name, u32 type,
u32 mask);
+/**
+ * crypto_alloc_acomp_node() -- allocate ACOMPRESS tfm handle with desired NUMA node
+ * @alg_name: is the cra_name / name or cra_driver_name / driver name of the
+ * compression algorithm e.g. "deflate"
+ * @type: specifies the type of the algorithm
+ * @mask: specifies the mask for the algorithm
+ * @node: specifies the NUMA node the ZIP hardware belongs to
+ *
+ * Allocate a handle for a compression algorithm. Drivers should try to use
+ * (de)compressors on the specified NUMA node.
+ * The returned struct crypto_acomp is the handle that is required for any
+ * subsequent API invocation for the compression operations.
+ *
+ * Return: allocated handle in case of success; IS_ERR() is true in case
+ * of an error, PTR_ERR() returns the error code.
+ */
+struct crypto_acomp *crypto_alloc_acomp_node(const char *alg_name, u32 type,
+ u32 mask, int node);
static inline struct crypto_tfm *crypto_acomp_tfm(struct crypto_acomp *tfm)
{
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
index 00a9cf98debe..143d884d65c7 100644
--- a/include/crypto/algapi.h
+++ b/include/crypto/algapi.h
@@ -116,7 +116,7 @@ struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn, u32 type,
void *crypto_spawn_tfm2(struct crypto_spawn *spawn);
struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb);
-int crypto_check_attr_type(struct rtattr **tb, u32 type);
+int crypto_check_attr_type(struct rtattr **tb, u32 type, u32 *mask_ret);
const char *crypto_attr_alg_name(struct rtattr *rta);
int crypto_attr_u32(struct rtattr *rta, u32 *num);
int crypto_inst_setname(struct crypto_instance *inst, const char *name,
@@ -235,18 +235,29 @@ static inline struct crypto_async_request *crypto_get_backlog(
container_of(queue->backlog, struct crypto_async_request, list);
}
-static inline int crypto_requires_off(u32 type, u32 mask, u32 off)
+static inline u32 crypto_requires_off(struct crypto_attr_type *algt, u32 off)
{
- return (type ^ off) & mask & off;
+ return (algt->type ^ off) & algt->mask & off;
}
/*
- * Returns CRYPTO_ALG_ASYNC if type/mask requires the use of sync algorithms.
- * Otherwise returns zero.
+ * When an algorithm uses another algorithm (e.g., if it's an instance of a
+ * template), these are the flags that should always be set on the "outer"
+ * algorithm if any "inner" algorithm has them set.
*/
-static inline int crypto_requires_sync(u32 type, u32 mask)
+#define CRYPTO_ALG_INHERITED_FLAGS \
+ (CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK | \
+ CRYPTO_ALG_ALLOCATES_MEMORY)
+
+/*
+ * Given the type and mask that specify the flags restrictions on a template
+ * instance being created, return the mask that should be passed to
+ * crypto_grab_*() (along with type=0) to honor any request the user made to
+ * have any of the CRYPTO_ALG_INHERITED_FLAGS clear.
+ */
+static inline u32 crypto_algt_inherited_mask(struct crypto_attr_type *algt)
{
- return crypto_requires_off(type, mask, CRYPTO_ALG_ASYNC);
+ return crypto_requires_off(algt, CRYPTO_ALG_INHERITED_FLAGS);
}
noinline unsigned long __crypto_memneq(const void *a, const void *b, size_t size);
diff --git a/include/crypto/chacha.h b/include/crypto/chacha.h
index 2676f4fbd4c1..3a1c72fdb7cf 100644
--- a/include/crypto/chacha.h
+++ b/include/crypto/chacha.h
@@ -25,11 +25,7 @@
#define CHACHA_BLOCK_SIZE 64
#define CHACHAPOLY_IV_SIZE 12
-#ifdef CONFIG_X86_64
-#define CHACHA_STATE_WORDS ((CHACHA_BLOCK_SIZE + 12) / sizeof(u32))
-#else
#define CHACHA_STATE_WORDS (CHACHA_BLOCK_SIZE / sizeof(u32))
-#endif
/* 192-bit nonce, then 64-bit stream position */
#define XCHACHA_IV_SIZE 32
diff --git a/include/crypto/chacha20poly1305.h b/include/crypto/chacha20poly1305.h
index 234ee28078ef..d2ac3ff7dc1e 100644
--- a/include/crypto/chacha20poly1305.h
+++ b/include/crypto/chacha20poly1305.h
@@ -45,4 +45,6 @@ bool chacha20poly1305_decrypt_sg_inplace(struct scatterlist *src, size_t src_len
const u64 nonce,
const u8 key[CHACHA20POLY1305_KEY_SIZE]);
+bool chacha20poly1305_selftest(void);
+
#endif /* __CHACHA20POLY1305_H */
diff --git a/include/crypto/hash.h b/include/crypto/hash.h
index 4829d2367eda..19ce91f2359f 100644
--- a/include/crypto/hash.h
+++ b/include/crypto/hash.h
@@ -687,7 +687,7 @@ static inline void ahash_request_set_crypt(struct ahash_request *req,
* The message digest API is able to maintain state information for the
* caller.
*
- * The synchronous message digest API can store user-related context in in its
+ * The synchronous message digest API can store user-related context in its
* shash_desc request data structure.
*/
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
index 088c1ded2714..ee6412314f8f 100644
--- a/include/crypto/if_alg.h
+++ b/include/crypto/if_alg.h
@@ -135,6 +135,7 @@ struct af_alg_async_req {
* SG?
* @enc: Cryptographic operation to be performed when
* recvmsg is invoked.
+ * @init: True if metadata has been sent.
* @len: Length of memory allocated for this data structure.
*/
struct af_alg_ctx {
@@ -151,6 +152,7 @@ struct af_alg_ctx {
bool more;
bool merge;
bool enc;
+ bool init;
unsigned int len;
};
@@ -226,7 +228,7 @@ unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset);
void af_alg_pull_tsgl(struct sock *sk, size_t used, struct scatterlist *dst,
size_t dst_offset);
void af_alg_wmem_wakeup(struct sock *sk);
-int af_alg_wait_for_data(struct sock *sk, unsigned flags);
+int af_alg_wait_for_data(struct sock *sk, unsigned flags, unsigned min);
int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size,
unsigned int ivsize);
ssize_t af_alg_sendpage(struct socket *sock, struct page *page,
diff --git a/include/crypto/internal/geniv.h b/include/crypto/internal/geniv.h
index 229d37681a9d..7fd7126f593a 100644
--- a/include/crypto/internal/geniv.h
+++ b/include/crypto/internal/geniv.h
@@ -20,7 +20,7 @@ struct aead_geniv_ctx {
};
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
- struct rtattr **tb, u32 type, u32 mask);
+ struct rtattr **tb);
int aead_init_geniv(struct crypto_aead *tfm);
void aead_exit_geniv(struct crypto_aead *tfm);
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index 10753ff71d46..4ff3da816630 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -147,6 +147,7 @@ static inline void sha256_init(struct sha256_state *sctx)
}
void sha256_update(struct sha256_state *sctx, const u8 *data, unsigned int len);
void sha256_final(struct sha256_state *sctx, u8 *out);
+void sha256(const u8 *data, unsigned int len, u8 *out);
static inline void sha224_init(struct sha256_state *sctx)
{
diff --git a/include/crypto/skcipher.h b/include/crypto/skcipher.h
index 141e7690f9c3..5663f71198b3 100644
--- a/include/crypto/skcipher.h
+++ b/include/crypto/skcipher.h
@@ -18,7 +18,7 @@
* @iv: Initialisation Vector
* @src: Source SG list
* @dst: Destination SG list
- * @base: Underlying async request request
+ * @base: Underlying async request
* @__ctx: Start of private context data
*/
struct skcipher_request {
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 763863dbc079..ef90e07c9635 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -16,9 +16,8 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/bug.h>
+#include <linux/refcount.h>
#include <linux/slab.h>
-#include <linux/string.h>
-#include <linux/uaccess.h>
#include <linux/completion.h>
/*
@@ -61,8 +60,8 @@
#define CRYPTO_ALG_ASYNC 0x00000080
/*
- * Set this bit if and only if the algorithm requires another algorithm of
- * the same type to handle corner cases.
+ * Set if the algorithm (or an algorithm which it uses) requires another
+ * algorithm of the same type to handle corner cases.
*/
#define CRYPTO_ALG_NEED_FALLBACK 0x00000100
@@ -102,6 +101,38 @@
#define CRYPTO_NOLOAD 0x00008000
/*
+ * The algorithm may allocate memory during request processing, i.e. during
+ * encryption, decryption, or hashing. Users can request an algorithm with this
+ * flag unset if they can't handle memory allocation failures.
+ *
+ * This flag is currently only implemented for algorithms of type "skcipher",
+ * "aead", "ahash", "shash", and "cipher". Algorithms of other types might not
+ * have this flag set even if they allocate memory.
+ *
+ * In some edge cases, algorithms can allocate memory regardless of this flag.
+ * To avoid these cases, users must obey the following usage constraints:
+ * skcipher:
+ * - The IV buffer and all scatterlist elements must be aligned to the
+ * algorithm's alignmask.
+ * - If the data were to be divided into chunks of size
+ * crypto_skcipher_walksize() (with any remainder going at the end), no
+ * chunk can cross a page boundary or a scatterlist element boundary.
+ * aead:
+ * - The IV buffer and all scatterlist elements must be aligned to the
+ * algorithm's alignmask.
+ * - The first scatterlist element must contain all the associated data,
+ * and its pages must be !PageHighMem.
+ * - If the plaintext/ciphertext were to be divided into chunks of size
+ * crypto_aead_walksize() (with the remainder going at the end), no chunk
+ * can cross a page boundary or a scatterlist element boundary.
+ * ahash:
+ * - The result buffer must be aligned to the algorithm's alignmask.
+ * - crypto_ahash_finup() must not be used unless the algorithm implements
+ * ->finup() natively.
+ */
+#define CRYPTO_ALG_ALLOCATES_MEMORY 0x00010000
+
+/*
* Transform masks and values (for crt_flags).
*/
#define CRYPTO_TFM_NEED_KEY 0x00000001
@@ -595,6 +626,8 @@ int crypto_has_alg(const char *name, u32 type, u32 mask);
struct crypto_tfm {
u32 crt_flags;
+
+ int node;
void (*exit)(struct crypto_tfm *tfm);
diff --git a/include/linux/mpi.h b/include/linux/mpi.h
index 7bd6d8af0004..5d906dfbf3ed 100644
--- a/include/linux/mpi.h
+++ b/include/linux/mpi.h
@@ -63,6 +63,9 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod);
int mpi_cmp_ui(MPI u, ulong v);
int mpi_cmp(MPI u, MPI v);
+/*-- mpi-sub-ui.c --*/
+int mpi_sub_ui(MPI w, MPI u, unsigned long vval);
+
/*-- mpi-bit.c --*/
void mpi_normalize(MPI a);
unsigned mpi_get_nbits(MPI a);
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 7302efff5e65..a433f13fc4bf 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -67,17 +67,6 @@ struct padata_serial_queue {
};
/**
- * struct padata_parallel_queue - The percpu padata parallel queue
- *
- * @reorder: List to wait for reordering after parallel processing.
- * @num_obj: Number of objects that are processed by this cpu.
- */
-struct padata_parallel_queue {
- struct padata_list reorder;
- atomic_t num_obj;
-};
-
-/**
* struct padata_cpumask - The cpumasks for the parallel/serial workers
*
* @pcpu: cpumask for the parallel workers.
@@ -93,7 +82,7 @@ struct padata_cpumask {
* that depends on the cpumask in use.
*
* @ps: padata_shell object.
- * @pqueue: percpu padata queues used for parallelization.
+ * @reorder_list: percpu reorder lists
* @squeue: percpu padata queues used for serialuzation.
* @refcnt: Number of objects holding a reference on this parallel_data.
* @seq_nr: Sequence number of the parallelized data object.
@@ -105,7 +94,7 @@ struct padata_cpumask {
*/
struct parallel_data {
struct padata_shell *ps;
- struct padata_parallel_queue __percpu *pqueue;
+ struct padata_list __percpu *reorder_list;
struct padata_serial_queue __percpu *squeue;
atomic_t refcnt;
unsigned int seq_nr;
@@ -167,7 +156,6 @@ struct padata_mt_job {
* @serial_wq: The workqueue used for serial work.
* @pslist: List of padata_shell objects attached to this instance.
* @cpumask: User supplied cpumasks for parallel and serial works.
- * @rcpumask: Actual cpumasks based on user cpumask and cpu_online_mask.
* @kobj: padata instance kernel object.
* @lock: padata instance lock.
* @flags: padata flags.
@@ -179,7 +167,6 @@ struct padata_instance {
struct workqueue_struct *serial_wq;
struct list_head pslist;
struct padata_cpumask cpumask;
- struct padata_cpumask rcpumask;
struct kobject kobj;
struct mutex lock;
u8 flags;
@@ -194,7 +181,7 @@ extern void __init padata_init(void);
static inline void __init padata_init(void) {}
#endif
-extern struct padata_instance *padata_alloc_possible(const char *name);
+extern struct padata_instance *padata_alloc(const char *name);
extern void padata_free(struct padata_instance *pinst);
extern struct padata_shell *padata_alloc_shell(struct padata_instance *pinst);
extern void padata_free_shell(struct padata_shell *ps);
@@ -204,6 +191,4 @@ extern void padata_do_serial(struct padata_priv *padata);
extern void __init padata_do_multithreaded(struct padata_mt_job *job);
extern int padata_set_cpumask(struct padata_instance *pinst, int cpumask_type,
cpumask_var_t cpumask);
-extern int padata_start(struct padata_instance *pinst);
-extern void padata_stop(struct padata_instance *pinst);
#endif