diff options
Diffstat (limited to 'sys/contrib/octeon-sdk/cvmx-crypto.c')
-rw-r--r-- | sys/contrib/octeon-sdk/cvmx-crypto.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/contrib/octeon-sdk/cvmx-crypto.c b/sys/contrib/octeon-sdk/cvmx-crypto.c new file mode 100644 index 0000000..46223fb --- /dev/null +++ b/sys/contrib/octeon-sdk/cvmx-crypto.c @@ -0,0 +1,78 @@ + +/***********************license start*************** + * Copyright (c) 2003-2010 Cavium Networks (support@cavium.com). All rights + * reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + + * * Neither the name of Cavium Networks nor the names of + * its contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + + * This Software, including technical data, may be subject to U.S. export control + * laws, including the U.S. Export Administration Act and its associated + * regulations, and may be subject to export or import regulations in other + * countries. + + * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" + * AND WITH ALL FAULTS AND CAVIUM NETWORKS MAKES NO PROMISES, REPRESENTATIONS OR + * WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO + * THE SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR + * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM + * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE, + * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF + * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR + * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR + * PERFORMANCE OF THE SOFTWARE LIES WITH YOU. + ***********************license end**************************************/ + + +/** + * @file + * + * Helper utilities for enabling crypto. + * + * <hr>$Revision: $<hr> + */ +#include "executive-config.h" +#include "cvmx-config.h" +#include "cvmx.h" + +int cvmx_crypto_dormant_enable(uint64_t key) +{ + if (octeon_has_feature(OCTEON_FEATURE_CRYPTO)) + return 1; + + if (octeon_has_feature(OCTEON_FEATURE_DORM_CRYPTO)) { + cvmx_rnm_eer_key_t v; + v.s.key = key; + cvmx_write_csr(CVMX_RNM_EER_KEY, v.u64); + } + + return octeon_has_feature(OCTEON_FEATURE_CRYPTO); +} + +uint64_t cvmx_crypto_dormant_dbg(void) +{ + cvmx_rnm_eer_dbg_t dbg; + + if (!octeon_has_feature(OCTEON_FEATURE_DORM_CRYPTO)) + return 0; + + dbg.u64 = cvmx_read_csr(CVMX_RNM_EER_DBG); + return dbg.s.dat; +} + + |