include/block/aesblk.h

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#ifndef AESBLK_H_INCLUDED
#define AESBLK_H_INCLUDED

#include <workqueue.h>
#include <block/device.h>
#include <aes.h>

struct workqueue        main_workqueue;

#define AES_BLK_STATE_LIST_ENCRYPTION_DONE      (1 << 0)
#define AES_BLK_STATE_REQ_ENCRYPTION_DONE       (1 << 1)
#define AES_BLK_STATE_LIST_DECRYPTION_DONE      (1 << 2)
#define AES_BLK_STATE_REQ_DECRYPTION_DONE       (1 << 3)
#define AES_BLK_STATE_WRITE_REQ_DONE            (1 << 4)
#define AES_BLK_STATE_WRITE_LIST_DONE           (1 << 5)
#define AES_BLK_STATE_WRITE_REQ_DONE_PENDING    (1 << 30)
#define AES_BLK_STATE_DECRYPTION_DONE_PENDING   (1 << 31)

struct aes_block_device {
        struct aes_module module;
        struct udc *udc;
        struct block_device bdev;
        struct block_device *card_bdev;
};

struct aes_block_request {
        struct aes_block_device *abdev;
        struct block_request breq;
        struct block_request *card_breq;
        struct workqueue_item worker_item;
        struct slist buf_list;
        unsigned int state;
        int buf_counter;
};

void aesblk_update(struct aes_block_device *aes_bdev);
void aesblk_prepare_req(struct block_device *bdev,
                struct block_request *breq,
                uint32_t lba, uint32_t nr_blocks,
                enum block_operation operation);
struct block_request *aesblk_alloc_req(struct block_device *bdev);
void aesblk_free_req(struct block_device *bdev,
                struct block_request *breq);
void aesblk_init(struct aes_block_device *aes_bdev,
                struct block_device *card_bdev);

#endif /* AESBLK_H_INCLUDED */

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