struct sx_dmaslot {
    uint32_t cfg;
    struct sxdesc outdescs[5];
};

Input and output descriptors and related state for cmdma

struct sx_dmactl {
    struct sx_regs *regs;
    struct sxdesc *d;
    struct sxdesc *out;
    char *mapped;
    struct sx_dmaslot dmamem;
};

DMA controller. For internal use only. Don't access directly.

struct sxkeyref {
    const char *key;
    size_t sz;
    uint32_t cfg;
};

Key reference Used for making a reference to a key stored in memory or to a key selected by an identifier. Created by SX_KEYREF_LOAD_MATERIAL() or SX_KEYREF_LOAD_BY_ID(). Used by blkcipher and aead creation functions. All members should be considered INTERNAL and may not be accessed directly.

struct sxaead {
    const struct sx_aead_cmdma_cfg *cfg;
    const char *expectedtag;
    uint8_t tagsz;
    uint8_t headersz;
    uint32_t discardaadsz;
    uint32_t datainsz;
    uint64_t dataintotalsz;
    uint64_t totalaadsz;
    uint8_t granularity;
    int is_in_ctx;
    size_t ctxsz;
    unsigned int compatible;
    const struct sxkeyref *key;
    struct sx_dmactl dma;
    struct sxdesc allindescs[7];
    uint8_t extramem[SX_AEAD_PRIV_SZ];
};

An AEAD operation. To be used with sx_aead() functions. All members should be considered INTERNAL and may not be accessed directly.

struct sxblkcipher {
    const struct sx_blkcipher_cmdma_cfg *cfg;
    size_t inminsz;
    size_t granularity;
    uint32_t mode;
    unsigned int compatible;
    const struct sxkeyref *key;
    struct sx_dmactl dma;
    struct sxdesc allindescs[5];
    char extramem[SX_BLKCIPHER_PRIV_SZ];
};

A simple block cipher operation To be used with sx_blkcipher() functions. All members should be considered INTERNAL and may not be accessed directly.

struct sxhash {
    const struct sxhashalg *algo;
    const struct sx_digesttags *dmatags;
    uint32_t cntindescs;
    size_t totalsz;
    uint32_t feedsz;
    void(*digest)(struct sxhash* c, char *digest);
    struct sx_dmactl dma;
    struct sxdesc allindescs[7 + SX_EXTRA_IN_DESCS];
    uint8_t extramem[SX_HASH_PRIV_SZ];
};

A hash operation. To be used with sx_hash functions. All members should be considered INTERNAL and may not be accessed directly.

struct sxcmmask {
    struct sx_dmactl dma;
    struct sxdesc allindescs[1];
};

A operation to load a countermeasures mask into the hardware. To be used with sx_cm() functions. All members should be considered INTERNAL and may not be accessed directly.

struct sxmac {
    const struct sx_mac_cmdma_cfg *cfg;
    uint32_t cntindescs;
    uint32_t feedsz;
    int macsz;
    unsigned int compatible;
    const struct sxkeyref *key;
    struct sx_dmactl dma;
    struct sxdesc allindescs[5];
    uint8_t extramem[16];
};

A simple MAC(message authentication code) operation To be used with sx_mac() functions. All members should be considered INTERNAL and may not be accessed directly.