diff options
Diffstat (limited to 'drivers/crypto/marvell/cesa.h')
| -rw-r--r-- | drivers/crypto/marvell/cesa.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index 8d600682ca47..e423d33decd4 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -271,7 +271,9 @@ struct mv_cesa_op_ctx { /* TDMA descriptor flags */ #define CESA_TDMA_DST_IN_SRAM BIT(31) #define CESA_TDMA_SRC_IN_SRAM BIT(30) -#define CESA_TDMA_TYPE_MSK GENMASK(29, 0) +#define CESA_TDMA_END_OF_REQ BIT(29) +#define CESA_TDMA_BREAK_CHAIN BIT(28) +#define CESA_TDMA_TYPE_MSK GENMASK(27, 0) #define CESA_TDMA_DUMMY 0 #define CESA_TDMA_DATA 1 #define CESA_TDMA_OP 2 @@ -431,6 +433,9 @@ struct mv_cesa_dev { * SRAM * @queue: fifo of the pending crypto requests * @load: engine load counter, useful for load balancing + * @chain: list of the current tdma descriptors being processed + * by this engine. + * @complete_queue: fifo of the processed requests by the engine * * Structure storing CESA engine information. */ @@ -448,6 +453,8 @@ struct mv_cesa_engine { struct gen_pool *pool; struct crypto_queue queue; atomic_t load; + struct mv_cesa_tdma_chain chain; + struct list_head complete_queue; }; /** @@ -608,6 +615,29 @@ struct mv_cesa_ahash_req { extern struct mv_cesa_dev *cesa_dev; + +static inline void +mv_cesa_engine_enqueue_complete_request(struct mv_cesa_engine *engine, + struct crypto_async_request *req) +{ + list_add_tail(&req->list, &engine->complete_queue); +} + +static inline struct crypto_async_request * +mv_cesa_engine_dequeue_complete_request(struct mv_cesa_engine *engine) +{ + struct crypto_async_request *req; + + req = list_first_entry_or_null(&engine->complete_queue, + struct crypto_async_request, + list); + if (req) + list_del(&req->list); + + return req; +} + + static inline enum mv_cesa_req_type mv_cesa_req_get_type(struct mv_cesa_req *req) { @@ -689,6 +719,10 @@ static inline bool mv_cesa_mac_op_is_first_frag(const struct mv_cesa_op_ctx *op) int mv_cesa_queue_req(struct crypto_async_request *req, struct mv_cesa_req *creq); +struct crypto_async_request * +mv_cesa_dequeue_req_locked(struct mv_cesa_engine *engine, + struct crypto_async_request **backlog); + static inline struct mv_cesa_engine *mv_cesa_select_engine(int weight) { int i; @@ -794,6 +828,9 @@ static inline int mv_cesa_dma_process(struct mv_cesa_req *dreq, void mv_cesa_dma_prepare(struct mv_cesa_req *dreq, struct mv_cesa_engine *engine); void mv_cesa_dma_cleanup(struct mv_cesa_req *dreq); +void mv_cesa_tdma_chain(struct mv_cesa_engine *engine, + struct mv_cesa_req *dreq); +int mv_cesa_tdma_process(struct mv_cesa_engine *engine, u32 status); static inline void |