drivers/crypto/amlogic/amlogic-gxl.h

Source file repositories/reference/linux-study-clean/drivers/crypto/amlogic/amlogic-gxl.h

File Facts

System
Linux kernel
Corpus path
drivers/crypto/amlogic/amlogic-gxl.h
Extension
.h
Size
4454 bytes
Lines
160
Domain
Driver Families
Bucket
drivers/crypto
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct meson_desc {
	__le32 t_status;
	__le32 t_src;
	__le32 t_dst;
};

/*
 * struct meson_flow - Information used by each flow
 * @engine:	ptr to the crypto_engine for this flow
 * @keylen:	keylen for this flow operation
 * @complete:	completion for the current task on this flow
 * @status:	set to 1 by interrupt if task is done
 * @t_phy:	Physical address of task
 * @tl:		pointer to the current ce_task for this flow
 * @stat_req:	number of request done by this flow
 */
struct meson_flow {
	struct crypto_engine *engine;
	struct completion complete;
	int status;
	unsigned int keylen;
	dma_addr_t t_phy;
	struct meson_desc *tl;
#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
	unsigned long stat_req;
#endif
};

/*
 * struct meson_dev - main container for all this driver information
 * @base:	base address of amlogic-crypto
 * @busclk:	bus clock for amlogic-crypto
 * @dev:	the platform device
 * @chanlist:	array of all flow
 * @flow:	flow to use in next request
 * @irqs:	IRQ numbers for amlogic-crypto
 * @dbgfs_dir:	Debugfs dentry for statistic directory
 * @dbgfs_stats: Debugfs dentry for statistic counters
 */
struct meson_dev {
	void __iomem *base;
	struct clk *busclk;
	struct device *dev;
	struct meson_flow *chanlist;
	atomic_t flow;
	int irqs[MAXFLOW];
#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
	struct dentry *dbgfs_dir;
#endif
};

/*
 * struct meson_cipher_req_ctx - context for a skcipher request
 * @op_dir:	direction (encrypt vs decrypt) for this request
 * @flow:	the flow to use for this request
 */
struct meson_cipher_req_ctx {
	u32 op_dir;
	int flow;
	struct skcipher_request fallback_req;	// keep at the end
};

/*
 * struct meson_cipher_tfm_ctx - context for a skcipher TFM
 * @key:		pointer to key data
 * @keylen:		len of the key
 * @keymode:		The keymode(type and size of key) associated with this TFM
 * @mc:			pointer to the private data of driver handling this TFM
 * @fallback_tfm:	pointer to the fallback TFM
 */
struct meson_cipher_tfm_ctx {
	u32 *key;
	u32 keylen;
	u32 keymode;
	struct meson_dev *mc;
	struct crypto_skcipher *fallback_tfm;
};

/*
 * struct meson_alg_template - crypto_alg template
 * @type:		the CRYPTO_ALG_TYPE for this template
 * @blockmode:		the type of block operation
 * @mc:			pointer to the meson_dev structure associated with this template
 * @alg:		one of sub struct must be used
 * @stat_req:		number of request done on this template
 * @stat_fb:		total of all data len done on this template
 */
struct meson_alg_template {
	u32 type;
	u32 blockmode;

Annotation

Implementation Notes