ceph/src/seastar/dpdk/drivers/common/cpt/cpt_pmd_ops_helper.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Cavium, Inc
   3  */
   4
   5 #ifndef _CPT_PMD_OPS_HELPER_H_
   6 #define _CPT_PMD_OPS_HELPER_H_
   7
   8 /*
   9  * This file defines the agreement between the common layer and the individual
  10  * crypto drivers for OCTEON TX series. Control path in otx* directory can
  11  * directly call functions declared here.
  12  */
  13
  14 /*
  15  * Get meta length required when operating in direct mode (single buffer
  16  * in-place)
  17  *
  18  * @return
  19  *   - length
  20  */
  21
  22 int32_t
  23 cpt_pmd_ops_helper_get_mlen_direct_mode(void);
  24
  25 /*
  26  * Get size of contiguous meta buffer to be allocated when working in scatter
  27  * gather mode.
  28  *
  29  * @return
  30  *   - length
  31  */
  32 int
  33 cpt_pmd_ops_helper_get_mlen_sg_mode(void);
  34 #endif /* _CPT_PMD_OPS_HELPER_H_ */