verif/env/niu/rxc_sat/vera/rxdma/niu_rx_crentry.vr

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//
// OpenSPARC T2 Processor File: niu_rx_crentry.vr
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// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
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// along with this program; if not, write to the Free Software
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// choice is available it will apply instead, Sun elects to use only
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#include <vera_defines.vrh>
#include <ListMacros.vrh>
#include "pcg_defines.vri"

// Completion ring Error defines
#define CR_NO_ERROR 0
#define CR_L2_ERROR 1
#define CR_L4_ERROR 3
#define CR_FFLP_ERROR 4
#define CR_ZCP_ERROR 5

// copied from niu_rx_descp_cr.vr
class Ccr_entry {
   bit [63:0] entry;
   bit [63:0] address;

   bit multi;
   bit [1:0] pkt_type;
   bit zcp,promis,dcf_error;
   bit frag;
   bit no_port;
   bit dcf_err;
   bit [2:0] errors;
   bit[13:0] length;
   bit [1:0] pktbufsz;
   bit[63:0] pkt_buf_address;

   task new(){
    entry = 0;
   }

   task print()  {
     printf(" CR DEBUG - Entry =%x Address - %x \n",entry,address);
     printf(" CR DEBUG - multi - %b, promis - %b, errors - %b pkt_type = %b length - %d pktbufsz - %b address - %x \n",entry[63],entry[58],entry[57:55],entry[62:61], entry[53:40], entry[39:38], entry[37:0]);
   }
   task set_fields(bit[63:0] data) {
    pkt_buf_address = 64'h0;
    multi = data[63];
    pkt_type = data[62:61];
    zcp = data[60];
    no_port = data[59];
    promis = data[58];
    errors = data[57:55];
    dcf_err = data[54];
    length = data[53:40];
    pktbufsz = data[39:38];
    pkt_buf_address[43:6] = data[37:0];
   }
   function integer setCRErrorCode(integer error_code) {
     if ((error_code&PG_CHKSUM_ERR)|( error_code&PG_CHKSUM_USER_DEF)) {
        if (!frag)
          setCRErrorCode = CR_L4_ERROR;
        else
          setCRErrorCode = CR_NO_ERROR;
     } else if((error_code&PG_CRC_ERR)|( error_code&PG_TYPE_LEN_ERR)) {
        setCRErrorCode = CR_L2_ERROR;
     } else setCRErrorCode = CR_NO_ERROR;
        // Add more stuff here for FFLP & ZCP ERROR
   }
}
MakeVeraList(Ccr_entry) // list of completion ring entries


class Ccr_update {
 integer dma_no;
 integer no_of_entries;
 task new(){}
}
class Crcr_update {
  integer dma_no;
  integer no_of_entries;
  integer pkts_checked;
  integer scatters[*];
  task new(){}
}