2 * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
4 * Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 * Tces come in two formats, one for the virtual bus and a different
32 * Used by pSeries (SMP) and iSeries/pSeries LPAR, but there it's
33 * abstracted so layout is irrelevant.
36 unsigned long te_word;
38 unsigned int tb_cacheBits :6; /* Cache hash bits - not used */
39 unsigned int tb_rsvd :6;
40 unsigned long tb_rpn :40; /* Real page number */
41 unsigned int tb_valid :1; /* Tce is valid (vb only) */
42 unsigned int tb_allio :1; /* Tce is valid for all lps (vb only) */
43 unsigned int tb_lpindex :8; /* LpIndex for user of TCE (vb only) */
44 unsigned int tb_pciwr :1; /* Write allowed (pci only) */
45 unsigned int tb_rdwr :1; /* Read allowed (pci), Write allowed (vb) */
47 #define te_cacheBits te_bits.tb_cacheBits
48 #define te_rpn te_bits.tb_rpn
49 #define te_valid te_bits.tb_valid
50 #define te_allio te_bits.tb_allio
51 #define te_lpindex te_bits.tb_lpindex
52 #define te_pciwr te_bits.tb_pciwr
53 #define te_rdwr te_bits.tb_rdwr