diff options
Diffstat (limited to 'lib/trusty/ql-tipc/hwcrypto.c')
-rw-r--r-- | lib/trusty/ql-tipc/hwcrypto.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/trusty/ql-tipc/hwcrypto.c b/lib/trusty/ql-tipc/hwcrypto.c index ccaf18b4279..50532b005b3 100644 --- a/lib/trusty/ql-tipc/hwcrypto.c +++ b/lib/trusty/ql-tipc/hwcrypto.c @@ -240,3 +240,25 @@ int hwcrypto_gen_rng(uint32_t buf, uint32_t len) sizeof(req), NULL, 0, false); return rc; } + +int hwcrypto_gen_bkek(uint32_t buf, uint32_t len) +{ + hwcrypto_bkek_msg req; + unsigned long start, end; + + /* check the address */ + if (buf == 0) + return TRUSTY_ERR_INVALID_ARGS; + /* fill the request buffer */ + req.buf = buf; + req.len = len; + + /* invalidate dcache for output buffer */ + start = (unsigned long)buf & ~(ARCH_DMA_MINALIGN - 1); + end = ALIGN((unsigned long)buf + len, ARCH_DMA_MINALIGN); + invalidate_dcache_range(start, end); + + int rc = hwcrypto_do_tipc(HWCRYPTO_GEN_BKEK, (void*)&req, + sizeof(req), NULL, 0, false); + return rc; +} |