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crypto/dpaa2_sec/hw: support SNOW-f8

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This patch add support for non-protocol offload mode
of snow-f8 algo

Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Vakul Garg 2019-09-30 20:10:55 +05:30 committed by Akhil Goyal
parent b0f4b15550
commit 8d83487fd0
1 changed files with 5 additions and 15 deletions
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20
drivers/crypto/dpaa2_sec/hw/desc/algo.h
View File

@ -24,43 +24,33 @@
* @swap: must be true when core endianness doesn't match SEC endianness
* @cipherdata: pointer to block cipher transform definitions
* @dir: Cipher direction (DIR_ENC/DIR_DEC)
* @count: UEA2 count value (32 bits)
* @bearer: UEA2 bearer ID (5 bits)
* @direction: UEA2 direction (1 bit)
*
* Return: size of descriptor written in words or negative number on error
*/
static inline int
cnstr_shdsc_snow_f8(uint32_t *descbuf, bool ps, bool swap,
struct alginfo *cipherdata, uint8_t dir,
uint32_t count, uint8_t bearer, uint8_t direction)
struct alginfo *cipherdata, uint8_t dir)
{
struct program prg;
struct program *p = &prg;
uint32_t ct = count;
uint8_t br = bearer;
uint8_t dr = direction;
uint32_t context[2] = {ct, (br << 27) | (dr << 26)};
PROGRAM_CNTXT_INIT(p, descbuf, 0);
if (swap) {
if (swap)
PROGRAM_SET_BSWAP(p);
context[0] = swab32(context[0]);
context[1] = swab32(context[1]);
}
if (ps)
PROGRAM_SET_36BIT_ADDR(p);
SHR_HDR(p, SHR_ALWAYS, 1, 0);
KEY(p, KEY1, cipherdata->key_enc_flags, cipherdata->key,
cipherdata->keylen, INLINE_KEY(cipherdata));
SEQLOAD(p, CONTEXT1, 0, 16, 0);
MATHB(p, SEQINSZ, SUB, MATH2, VSEQINSZ, 4, 0);
MATHB(p, SEQINSZ, SUB, MATH2, VSEQOUTSZ, 4, 0);
ALG_OPERATION(p, OP_ALG_ALGSEL_SNOW_F8, OP_ALG_AAI_F8,
OP_ALG_AS_INITFINAL, 0, dir);
LOAD(p, (uintptr_t)context, CONTEXT1, 0, 8, IMMED | COPY);
SEQFIFOLOAD(p, MSG1, 0, VLF | LAST1);
SEQFIFOSTORE(p, MSG, 0, 0, VLF);