diff options
Diffstat (limited to 'drivers/crypto/mediatek/mtk-platform.h')
| -rw-r--r-- | drivers/crypto/mediatek/mtk-platform.h | 56 |
1 files changed, 31 insertions, 25 deletions
diff --git a/drivers/crypto/mediatek/mtk-platform.h b/drivers/crypto/mediatek/mtk-platform.h index ed6d8717f7f4..303c152dc931 100644 --- a/drivers/crypto/mediatek/mtk-platform.h +++ b/drivers/crypto/mediatek/mtk-platform.h @@ -38,14 +38,14 @@ * Ring 2/3 are used by SHA. */ enum { - RING0 = 0, - RING1, - RING2, - RING3, - RING_MAX, + MTK_RING0, + MTK_RING1, + MTK_RING2, + MTK_RING3, + MTK_RING_MAX }; -#define MTK_REC_NUM (RING_MAX / 2) +#define MTK_REC_NUM (MTK_RING_MAX / 2) #define MTK_IRQ_NUM 5 /** @@ -84,11 +84,12 @@ struct mtk_desc { /** * struct mtk_ring - Descriptor ring * @cmd_base: pointer to command descriptor ring base + * @cmd_next: pointer to the next command descriptor * @cmd_dma: DMA address of command descriptor ring - * @cmd_pos: current position in the command descriptor ring * @res_base: pointer to result descriptor ring base + * @res_next: pointer to the next result descriptor + * @res_prev: pointer to the previous result descriptor * @res_dma: DMA address of result descriptor ring - * @res_pos: current position in the result descriptor ring * * A descriptor ring is a circular buffer that is used to manage * one or more descriptors. There are two type of descriptor rings; @@ -96,11 +97,12 @@ struct mtk_desc { */ struct mtk_ring { struct mtk_desc *cmd_base; + struct mtk_desc *cmd_next; dma_addr_t cmd_dma; - u32 cmd_pos; struct mtk_desc *res_base; + struct mtk_desc *res_next; + struct mtk_desc *res_prev; dma_addr_t res_dma; - u32 res_pos; }; /** @@ -125,9 +127,11 @@ typedef int (*mtk_aes_fn)(struct mtk_cryp *cryp, struct mtk_aes_rec *aes); /** * struct mtk_aes_rec - AES operation record + * @cryp: pointer to Cryptographic device * @queue: crypto request queue * @areq: pointer to async request - * @task: the tasklet is use in AES interrupt + * @done_task: the tasklet is use in AES interrupt + * @queue_task: the tasklet is used to dequeue request * @ctx: pointer to current context * @src: the structure that holds source sg list info * @dst: the structure that holds destination sg list info @@ -136,16 +140,18 @@ typedef int (*mtk_aes_fn)(struct mtk_cryp *cryp, struct mtk_aes_rec *aes); * @resume: pointer to resume function * @total: request buffer length * @buf: pointer to page buffer - * @id: record identification + * @id: the current use of ring * @flags: it's describing AES operation state * @lock: the async queue lock * * Structure used to record AES execution state. */ struct mtk_aes_rec { + struct mtk_cryp *cryp; struct crypto_queue queue; struct crypto_async_request *areq; - struct tasklet_struct task; + struct tasklet_struct done_task; + struct tasklet_struct queue_task; struct mtk_aes_base_ctx *ctx; struct mtk_aes_dma src; struct mtk_aes_dma dst; @@ -166,19 +172,23 @@ struct mtk_aes_rec { /** * struct mtk_sha_rec - SHA operation record + * @cryp: pointer to Cryptographic device * @queue: crypto request queue * @req: pointer to ahash request - * @task: the tasklet is use in SHA interrupt - * @id: record identification + * @done_task: the tasklet is use in SHA interrupt + * @queue_task: the tasklet is used to dequeue request + * @id: the current use of ring * @flags: it's describing SHA operation state - * @lock: the ablkcipher queue lock + * @lock: the async queue lock * * Structure used to record SHA execution state. */ struct mtk_sha_rec { + struct mtk_cryp *cryp; struct crypto_queue queue; struct ahash_request *req; - struct tasklet_struct task; + struct tasklet_struct done_task; + struct tasklet_struct queue_task; u8 id; unsigned long flags; @@ -193,13 +203,11 @@ struct mtk_sha_rec { * @clk_ethif: pointer to ethif clock * @clk_cryp: pointer to crypto clock * @irq: global system and rings IRQ - * @ring: pointer to execution state of AES - * @aes: pointer to execution state of SHA - * @sha: each execution record map to a ring + * @ring: pointer to descriptor rings + * @aes: pointer to operation record of AES + * @sha: pointer to operation record of SHA * @aes_list: device list of AES * @sha_list: device list of SHA - * @tmp: pointer to temporary buffer for internal use - * @tmp_dma: DMA address of temporary buffer * @rec: it's used to select SHA record for tfm * * Structure storing cryptographic device information. @@ -211,15 +219,13 @@ struct mtk_cryp { struct clk *clk_cryp; int irq[MTK_IRQ_NUM]; - struct mtk_ring *ring[RING_MAX]; + struct mtk_ring *ring[MTK_RING_MAX]; struct mtk_aes_rec *aes[MTK_REC_NUM]; struct mtk_sha_rec *sha[MTK_REC_NUM]; struct list_head aes_list; struct list_head sha_list; - void *tmp; - dma_addr_t tmp_dma; bool rec; }; |