freebsd-dev/sys/contrib/octeon-sdk/cvmx-crypto.c

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/**
 * @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;
}