| /* |
| * Copyright (C) 2001 Mike Corrigan IBM Corporation |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef _ISERIES_RELEASE_DATA_H |
| #define _ISERIES_RELEASE_DATA_H |
| |
| /* |
| * This control block contains the critical information about the |
| * release so that it can be changed in the future (ie, the virtual |
| * address of the OS's NACA). |
| */ |
| #include <asm/types.h> |
| #include "naca.h" |
| |
| /* |
| * When we IPL a secondary partition, we will check if if the |
| * secondary xMinPlicVrmIndex > the primary xVrmIndex. |
| * If it is then this tells PLIC that this secondary is not |
| * supported running on this "old" of a level of PLIC. |
| * |
| * Likewise, we will compare the primary xMinSlicVrmIndex to |
| * the secondary xVrmIndex. |
| * If the primary xMinSlicVrmDelta > secondary xVrmDelta then we |
| * know that this PLIC does not support running an OS "that old". |
| */ |
| |
| #define HVREL_TAGSINACTIVE 0x8000 |
| #define HVREL_32BIT 0x4000 |
| #define HVREL_NOSHAREDPROCS 0x2000 |
| #define HVREL_NOHMT 0x1000 |
| |
| struct HvReleaseData { |
| u32 xDesc; /* Descriptor "HvRD" ebcdic x00-x03 */ |
| u16 xSize; /* Size of this control block x04-x05 */ |
| u16 xVpdAreasPtrOffset; /* Offset in NACA of ItVpdAreas x06-x07 */ |
| struct naca_struct *xSlicNacaAddr; /* Virt addr of SLIC NACA x08-x0F */ |
| u32 xMsNucDataOffset; /* Offset of Linux Mapping Data x10-x13 */ |
| u32 xRsvd1; /* Reserved x14-x17 */ |
| u16 xFlags; |
| u16 xVrmIndex; /* VRM Index of OS image x1A-x1B */ |
| u16 xMinSupportedPlicVrmIndex; /* Min PLIC level (soft) x1C-x1D */ |
| u16 xMinCompatablePlicVrmIndex; /* Min PLIC levelP (hard) x1E-x1F */ |
| char xVrmName[12]; /* Displayable name x20-x2B */ |
| char xRsvd3[20]; /* Reserved x2C-x3F */ |
| }; |
| |
| extern const struct HvReleaseData hvReleaseData; |
| |
| #endif /* _ISERIES_RELEASE_DATA_H */ |
