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1 | \ ========== Copyright Header Begin ========================================== |
2 | \ | |
3 | \ Hypervisor Software File: pktdata.fth | |
4 | \ | |
5 | \ Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. | |
6 | \ | |
7 | \ - Do no alter or remove copyright notices | |
8 | \ | |
9 | \ - Redistribution and use of this software in source and binary forms, with | |
10 | \ or without modification, are permitted provided that the following | |
11 | \ conditions are met: | |
12 | \ | |
13 | \ - Redistribution of source code must retain the above copyright notice, | |
14 | \ this list of conditions and the following disclaimer. | |
15 | \ | |
16 | \ - Redistribution in binary form must reproduce the above copyright notice, | |
17 | \ this list of conditions and the following disclaimer in the | |
18 | \ documentation and/or other materials provided with the distribution. | |
19 | \ | |
20 | \ Neither the name of Sun Microsystems, Inc. or the names of contributors | |
21 | \ may be used to endorse or promote products derived from this software | |
22 | \ without specific prior written permission. | |
23 | \ | |
24 | \ This software is provided "AS IS," without a warranty of any kind. | |
25 | \ ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, | |
26 | \ INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A | |
27 | \ PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN | |
28 | \ MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR | |
29 | \ ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR | |
30 | \ DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN | |
31 | \ OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR | |
32 | \ FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE | |
33 | \ DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, | |
34 | \ ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF | |
35 | \ SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
36 | \ | |
37 | \ You acknowledge that this software is not designed, licensed or | |
38 | \ intended for use in the design, construction, operation or maintenance of | |
39 | \ any nuclear facility. | |
40 | \ | |
41 | \ ========== Copyright Header End ============================================ | |
42 | id: @(#)pktdata.fth 1.2 01/05/29 | |
43 | purpose: | |
44 | copyright: Copyright 1997-2001 Sun Microsystems, Inc. All Rights Reserved | |
45 | ||
46 | \ This defines the format of a packet for the ata/atapi interface | |
47 | ||
48 | struct \ xfer-pkt | |
49 | 4 field >xfer-type \ Transfer type 0 = ATA, 1 = ATAPI | |
50 | 4 field >cdb-ptr \ pointer to cdb/reg struct | |
51 | 4 field >transfer-bytes \ number of bytes transferred | |
52 | 4 field >data-ptr \ address of data buffer. | |
53 | 4 field >timeout \ Timeout for xfer | |
54 | 4 field >status \ Status, set on errors | |
55 | constant /xfer-pkt | |
56 | ||
57 | : get-pkt-data ( pkt -- buffer cdb pkt ) | |
58 | >r ( -- ) | |
59 | 0 r@ >transfer-bytes l! ( -- ) | |
60 | 0 r@ >status l! ( -- ) | |
61 | r@ >data-ptr l@ ( buffer ) | |
62 | r@ >cdb-ptr l@ ( buffer cdb ) | |
63 | r> ( buffer cdb pkt ) | |
64 | ; | |
65 | ||
66 | : set-pkt-data ( buffer cdb timeout pkt -- pkt ) | |
67 | >r ( buffer cdb timeout ) | |
68 | r@ /xfer-pkt erase ( buffer cdb timeout ) | |
69 | r@ >timeout l! ( buffer cdb ) | |
70 | r@ >cdb-ptr l! ( buffer ) | |
71 | r@ >data-ptr l! ( ) | |
72 | r> ( pkt ) | |
73 | ; |