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1 | // ========== Copyright Header Begin ========================================== |
2 | // | |
3 | // OpenSPARC T2 Processor File: niu_rx_crentry.vr | |
4 | // Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved | |
5 | // 4150 Network Circle, Santa Clara, California 95054, U.S.A. | |
6 | // | |
7 | // * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
8 | // | |
9 | // This program is free software; you can redistribute it and/or modify | |
10 | // it under the terms of the GNU General Public License as published by | |
11 | // the Free Software Foundation; version 2 of the License. | |
12 | // | |
13 | // This program is distributed in the hope that it will be useful, | |
14 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | // GNU General Public License for more details. | |
17 | // | |
18 | // You should have received a copy of the GNU General Public License | |
19 | // along with this program; if not, write to the Free Software | |
20 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | // | |
22 | // For the avoidance of doubt, and except that if any non-GPL license | |
23 | // choice is available it will apply instead, Sun elects to use only | |
24 | // the General Public License version 2 (GPLv2) at this time for any | |
25 | // software where a choice of GPL license versions is made | |
26 | // available with the language indicating that GPLv2 or any later version | |
27 | // may be used, or where a choice of which version of the GPL is applied is | |
28 | // otherwise unspecified. | |
29 | // | |
30 | // Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
31 | // CA 95054 USA or visit www.sun.com if you need additional information or | |
32 | // have any questions. | |
33 | // | |
34 | // ========== Copyright Header End ============================================ | |
35 | #include <vera_defines.vrh> | |
36 | #include <ListMacros.vrh> | |
37 | #include "pcg_defines.vri" | |
38 | ||
39 | // Completion ring Error defines | |
40 | #define CR_NO_ERROR 0 | |
41 | #define CR_L2_ERROR 1 | |
42 | #define CR_L4_ERROR 3 | |
43 | #define CR_FFLP_ERROR 4 | |
44 | #define CR_ZCP_ERROR 5 | |
45 | ||
46 | // copied from niu_rx_descp_cr.vr | |
47 | class Ccr_entry { | |
48 | bit [63:0] entry; | |
49 | bit [63:0] address; | |
50 | ||
51 | bit multi; | |
52 | bit [1:0] pkt_type; | |
53 | bit zcp,promis,dcf_error; | |
54 | bit frag; | |
55 | bit no_port; | |
56 | bit dcf_err; | |
57 | bit [2:0] errors; | |
58 | bit[13:0] length; | |
59 | bit [1:0] pktbufsz; | |
60 | bit[63:0] pkt_buf_address; | |
61 | ||
62 | task new(){ | |
63 | entry = 0; | |
64 | } | |
65 | ||
66 | task print() { | |
67 | printf(" CR DEBUG - Entry =%x Address - %x \n",entry,address); | |
68 | 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]); | |
69 | } | |
70 | task set_fields(bit[63:0] data) { | |
71 | pkt_buf_address = 64'h0; | |
72 | multi = data[63]; | |
73 | pkt_type = data[62:61]; | |
74 | zcp = data[60]; | |
75 | no_port = data[59]; | |
76 | promis = data[58]; | |
77 | errors = data[57:55]; | |
78 | dcf_err = data[54]; | |
79 | length = data[53:40]; | |
80 | pktbufsz = data[39:38]; | |
81 | pkt_buf_address[43:6] = data[37:0]; | |
82 | } | |
83 | function integer setCRErrorCode(integer error_code) { | |
84 | if ((error_code&PG_CHKSUM_ERR)|( error_code&PG_CHKSUM_USER_DEF)) { | |
85 | if (!frag) | |
86 | setCRErrorCode = CR_L4_ERROR; | |
87 | else | |
88 | setCRErrorCode = CR_NO_ERROR; | |
89 | } else if((error_code&PG_CRC_ERR)|( error_code&PG_TYPE_LEN_ERR)) { | |
90 | setCRErrorCode = CR_L2_ERROR; | |
91 | } else setCRErrorCode = CR_NO_ERROR; | |
92 | // Add more stuff here for FFLP & ZCP ERROR | |
93 | } | |
94 | } | |
95 | MakeVeraList(Ccr_entry) // list of completion ring entries | |
96 | ||
97 | ||
98 | class Ccr_update { | |
99 | integer dma_no; | |
100 | integer no_of_entries; | |
101 | task new(){} | |
102 | } | |
103 | class Crcr_update { | |
104 | integer dma_no; | |
105 | integer no_of_entries; | |
106 | integer pkts_checked; | |
107 | integer scatters[*]; | |
108 | task new(){} | |
109 | } |