diff options
Diffstat (limited to 'drivers/crypto/caam/desc.h')
| -rw-r--r-- | drivers/crypto/caam/desc.h | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/drivers/crypto/caam/desc.h b/drivers/crypto/caam/desc.h index d397ff9d5..983d663ef 100644 --- a/drivers/crypto/caam/desc.h +++ b/drivers/crypto/caam/desc.h @@ -8,12 +8,29 @@ #ifndef DESC_H #define DESC_H +/* + * 16-byte hardware scatter/gather table + * An 8-byte table exists in the hardware spec, but has never been + * implemented to date. The 8/16 option is selected at RTL-compile-time. + * and this selection is visible in the Compile Time Parameters Register + */ + +#define SEC4_SG_LEN_EXT 0x80000000 /* Entry points to table */ +#define SEC4_SG_LEN_FIN 0x40000000 /* Last ent in table */ +#define SEC4_SG_BPID_MASK 0x000000ff +#define SEC4_SG_BPID_SHIFT 16 +#define SEC4_SG_LEN_MASK 0x3fffffff /* Excludes EXT and FINAL */ +#define SEC4_SG_OFFS_MASK 0x00001fff + struct sec4_sg_entry { +#ifdef CONFIG_CRYPTO_DEV_FSL_CAAM_IMX + u32 rsvd1; + dma_addr_t ptr; +#else u64 ptr; -#define SEC4_SG_LEN_FIN 0x40000000 -#define SEC4_SG_LEN_EXT 0x80000000 +#endif /* CONFIG_CRYPTO_DEV_FSL_CAAM_IMX */ u32 len; - u8 reserved; + u8 rsvd2; u8 buf_pool_id; u16 offset; }; |