3 * Copyright (C) 2001 Mike Corrigan IBM Corporation
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #ifndef _HVRELEASEDATA_H
20 #define _HVRELEASEDATA_H
22 //=============================================================================
24 // This control block contains the critical information about the
25 // release so that it can be changed in the future (ie, the virtual
26 // address of the OS's NACA).
28 #include <asm/types.h>
30 //=============================================================================
32 // When we IPL a secondary partition, we will check if if the
33 // secondary xMinPlicVrmIndex > the primary xVrmIndex.
34 // If it is then this tells PLIC that this secondary is not
35 // supported running on this "old" of a level of PLIC.
37 // Likewise, we will compare the primary xMinSlicVrmIndex to
38 // the secondary xVrmIndex.
39 // If the primary xMinSlicVrmDelta > secondary xVrmDelta then we
40 // know that this PLIC does not support running an OS "that old".
42 //=============================================================================
46 u32 xDesc; // Descriptor "HvRD" ebcdic x00-x03
47 u16 xSize; // Size of this control block x04-x05
48 u16 xVpdAreasPtrOffset; // Offset in NACA of ItVpdAreas x06-x07
49 struct naca_struct * xSlicNacaAddr; // Virt addr of SLIC NACA x08-x0F
50 u32 xMsNucDataOffset; // Offset of Linux Mapping Data x10-x13
51 u32 xRsvd1; // Reserved x14-x17
52 u16 xTagsMode:1; // 0 == tags active, 1 == tags inactive
53 u16 xAddressSize:1; // 0 == 64-bit, 1 == 32-bit
54 u16 xNoSharedProcs:1; // 0 == shared procs, 1 == no shared
55 u16 xNoHMT:1; // 0 == allow HMT, 1 == no HMT
56 u16 xRsvd2:12; // Reserved x18-x19
57 u16 xVrmIndex; // VRM Index of OS image x1A-x1B
58 u16 xMinSupportedPlicVrmIndex;// Min PLIC level (soft) x1C-x1D
59 u16 xMinCompatablePlicVrmIndex;// Min PLIC levelP (hard) x1E-x1F
60 char xVrmName[12]; // Displayable name x20-x2B
61 char xRsvd3[20]; // Reserved x2C-x3F
64 #endif /* _HVRELEASEDATA_H */