diff options
Diffstat (limited to 'drivers/crypto/rockchip/rk3288_crypto.h')
-rw-r--r-- | drivers/crypto/rockchip/rk3288_crypto.h | 107 |
1 files changed, 59 insertions, 48 deletions
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h index 97278c2574ff..b2695258cade 100644 --- a/drivers/crypto/rockchip/rk3288_crypto.h +++ b/drivers/crypto/rockchip/rk3288_crypto.h @@ -5,9 +5,13 @@ #include <crypto/aes.h> #include <crypto/internal/des.h> #include <crypto/algapi.h> +#include <linux/dma-mapping.h> #include <linux/interrupt.h> +#include <linux/debugfs.h> #include <linux/delay.h> +#include <linux/pm_runtime.h> #include <linux/scatterlist.h> +#include <crypto/engine.h> #include <crypto/internal/hash.h> #include <crypto/internal/skcipher.h> @@ -184,85 +188,91 @@ #define CRYPTO_WRITE(dev, offset, val) \ writel_relaxed((val), ((dev)->reg + (offset))) +#define RK_MAX_CLKS 4 + +/* + * struct rockchip_ip - struct for managing a list of RK crypto instance + * @dev_list: Used for doing a list of rk_crypto_info + * @lock: Control access to dev_list + * @dbgfs_dir: Debugfs dentry for statistic directory + * @dbgfs_stats: Debugfs dentry for statistic counters + */ +struct rockchip_ip { + struct list_head dev_list; + spinlock_t lock; /* Control access to dev_list */ + struct dentry *dbgfs_dir; + struct dentry *dbgfs_stats; +}; + +struct rk_clks { + const char *name; + unsigned long max; +}; + +struct rk_variant { + int num_clks; + struct rk_clks rkclks[RK_MAX_CLKS]; +}; + struct rk_crypto_info { + struct list_head list; struct device *dev; - struct clk *aclk; - struct clk *hclk; - struct clk *sclk; - struct clk *dmaclk; + struct clk_bulk_data *clks; + int num_clks; struct reset_control *rst; void __iomem *reg; int irq; - struct crypto_queue queue; - struct tasklet_struct queue_task; - struct tasklet_struct done_task; - struct crypto_async_request *async_req; - int err; - /* device lock */ - spinlock_t lock; - - /* the public variable */ - struct scatterlist *sg_src; - struct scatterlist *sg_dst; - struct scatterlist sg_tmp; - struct scatterlist *first; - unsigned int left_bytes; - void *addr_vir; - int aligned; - int align_size; - size_t src_nents; - size_t dst_nents; - unsigned int total; - unsigned int count; - dma_addr_t addr_in; - dma_addr_t addr_out; - bool busy; - int (*start)(struct rk_crypto_info *dev); - int (*update)(struct rk_crypto_info *dev); - void (*complete)(struct crypto_async_request *base, int err); - int (*enable_clk)(struct rk_crypto_info *dev); - void (*disable_clk)(struct rk_crypto_info *dev); - int (*load_data)(struct rk_crypto_info *dev, - struct scatterlist *sg_src, - struct scatterlist *sg_dst); - void (*unload_data)(struct rk_crypto_info *dev); - int (*enqueue)(struct rk_crypto_info *dev, - struct crypto_async_request *async_req); + const struct rk_variant *variant; + unsigned long nreq; + struct crypto_engine *engine; + struct completion complete; + int status; }; /* the private variable of hash */ struct rk_ahash_ctx { - struct rk_crypto_info *dev; + struct crypto_engine_ctx enginectx; /* for fallback */ struct crypto_ahash *fallback_tfm; }; -/* the privete variable of hash for fallback */ +/* the private variable of hash for fallback */ struct rk_ahash_rctx { + struct rk_crypto_info *dev; struct ahash_request fallback_req; u32 mode; + int nrsg; }; /* the private variable of cipher */ struct rk_cipher_ctx { - struct rk_crypto_info *dev; + struct crypto_engine_ctx enginectx; unsigned int keylen; - u32 mode; + u8 key[AES_MAX_KEY_SIZE]; u8 iv[AES_BLOCK_SIZE]; + struct crypto_skcipher *fallback_tfm; }; -enum alg_type { - ALG_TYPE_HASH, - ALG_TYPE_CIPHER, +struct rk_cipher_rctx { + struct rk_crypto_info *dev; + u8 backup_iv[AES_BLOCK_SIZE]; + u32 mode; + struct skcipher_request fallback_req; // keep at the end }; struct rk_crypto_tmp { - struct rk_crypto_info *dev; + u32 type; + struct rk_crypto_info *dev; union { struct skcipher_alg skcipher; struct ahash_alg hash; } alg; - enum alg_type type; + unsigned long stat_req; + unsigned long stat_fb; + unsigned long stat_fb_len; + unsigned long stat_fb_sglen; + unsigned long stat_fb_align; + unsigned long stat_fb_sgdiff; }; extern struct rk_crypto_tmp rk_ecb_aes_alg; @@ -276,4 +286,5 @@ extern struct rk_crypto_tmp rk_ahash_sha1; extern struct rk_crypto_tmp rk_ahash_sha256; extern struct rk_crypto_tmp rk_ahash_md5; +struct rk_crypto_info *get_rk_crypto(void); #endif |