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| author | Horia Geantă <horia.geanta@nxp.com> | 2016-11-22 13:44:04 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-09-25 07:25:20 (GMT) |
| commit | 81a4d393430df74ccebb37020db056d2a4743e31 (patch) | |
| tree | b970a4c49087b7387b5b2c46447a9db50a42ca09 /drivers/crypto/caam/desc_constr.h | |
| parent | 74726fcab63b56ec96f039c35d61415ffba1996e (diff) | |
| download | linux-81a4d393430df74ccebb37020db056d2a4743e31.tar.xz | |
crypto: caam - group algorithm related params
In preparation of factoring out the shared descriptors,
struct alginfo is introduced to group the algorithm related
parameters.
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/desc_constr.h')
| -rw-r--r-- | drivers/crypto/caam/desc_constr.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/crypto/caam/desc_constr.h b/drivers/crypto/caam/desc_constr.h index 354da73..bfef795 100644 --- a/drivers/crypto/caam/desc_constr.h +++ b/drivers/crypto/caam/desc_constr.h @@ -430,3 +430,22 @@ do { \ APPEND_MATH_IMM_u64(LSHIFT, desc, dest, src0, src1, data) #define append_math_rshift_imm_u64(desc, dest, src0, src1, data) \ APPEND_MATH_IMM_u64(RSHIFT, desc, dest, src0, src1, data) + +/** + * struct alginfo - Container for algorithm details + * @algtype: algorithm selector; for valid values, see documentation of the + * functions where it is used. + * @keylen: length of the provided algorithm key, in bytes + * @keylen_pad: padded length of the provided algorithm key, in bytes + * @key: address where algorithm key resides; virtual address if key_inline + * is true, dma (bus) address if key_inline is false. + * @key_inline: true - key can be inlined in the descriptor; false - key is + * referenced by the descriptor + */ +struct alginfo { + u32 algtype; + unsigned int keylen; + unsigned int keylen_pad; + u64 key; + bool key_inline; +}; |