projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 1da177e4 | 2 | * Copyright (C) 2001 Mike Corrigan IBM Corporation |
| 45dc76aa | 3 | * |
| 1da177e4 LT |
4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by | |
| 6 | * the Free Software Foundation; either version 2 of the License, or | |
| 7 | * (at your option) any later version. | |
| 45dc76aa | 8 | * |
| 1da177e4 LT |
9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 45dc76aa | 13 | * |
| 1da177e4 LT |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software | |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 17 | */ | |
| b08567cb SR |
18 | #ifndef _ISERIES_RELEASE_DATA_H |
| 19 | #define _ISERIES_RELEASE_DATA_H | |
| 1da177e4 | 20 | |
| 45dc76aa SR |
21 | /* |
| 22 | * This control block contains the critical information about the | |
| 23 | * release so that it can be changed in the future (ie, the virtual | |
| 24 | * address of the OS's NACA). | |
| 25 | */ | |
| 1da177e4 | 26 | #include <asm/types.h> |
| f11b7bd8 | 27 | #include "naca.h" |
| 1da177e4 | 28 | |
| 45dc76aa SR |
29 | /* |
| 30 | * When we IPL a secondary partition, we will check if if the | |
| 31 | * secondary xMinPlicVrmIndex > the primary xVrmIndex. | |
| 32 | * If it is then this tells PLIC that this secondary is not | |
| 33 | * supported running on this "old" of a level of PLIC. | |
| 34 | * | |
| 35 | * Likewise, we will compare the primary xMinSlicVrmIndex to | |
| 36 | * the secondary xVrmIndex. | |
| 37 | * If the primary xMinSlicVrmDelta > secondary xVrmDelta then we | |
| 38 | * know that this PLIC does not support running an OS "that old". | |
| 39 | */ | |
| 1da177e4 | 40 | |
| 488f8499 DG |
41 | #define HVREL_TAGSINACTIVE 0x8000 |
| 42 | #define HVREL_32BIT 0x4000 | |
| 43 | #define HVREL_NOSHAREDPROCS 0x2000 | |
| 44 | #define HVREL_NOHMT 0x1000 | |
| 45 | ||
| 45dc76aa SR |
46 | struct HvReleaseData { |
| 47 | u32 xDesc; /* Descriptor "HvRD" ebcdic x00-x03 */ | |
| 48 | u16 xSize; /* Size of this control block x04-x05 */ | |
| 49 | u16 xVpdAreasPtrOffset; /* Offset in NACA of ItVpdAreas x06-x07 */ | |
| 50 | struct naca_struct *xSlicNacaAddr; /* Virt addr of SLIC NACA x08-x0F */ | |
| 51 | u32 xMsNucDataOffset; /* Offset of Linux Mapping Data x10-x13 */ | |
| 52 | u32 xRsvd1; /* Reserved x14-x17 */ | |
| 488f8499 | 53 | u16 xFlags; |
| 45dc76aa SR |
54 | u16 xVrmIndex; /* VRM Index of OS image x1A-x1B */ |
| 55 | u16 xMinSupportedPlicVrmIndex; /* Min PLIC level (soft) x1C-x1D */ | |
| 56 | u16 xMinCompatablePlicVrmIndex; /* Min PLIC levelP (hard) x1E-x1F */ | |
| 57 | char xVrmName[12]; /* Displayable name x20-x2B */ | |
| 58 | char xRsvd3[20]; /* Reserved x2C-x3F */ | |
| 1da177e4 LT |
59 | }; |
| 60 | ||
| 0bc0ffd5 SR |
61 | extern struct HvReleaseData hvReleaseData; |
| 62 | ||
| b08567cb | 63 | #endif /* _ISERIES_RELEASE_DATA_H */ |