| /* |
| * HvReleaseData.h |
| * 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 _HVRELEASEDATA_H |
| #define _HVRELEASEDATA_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 <asm/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". |
| // |
| //============================================================================= |
| |
| 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 xTagsMode:1; // 0 == tags active, 1 == tags inactive |
| u16 xAddressSize:1; // 0 == 64-bit, 1 == 32-bit |
| u16 xNoSharedProcs:1; // 0 == shared procs, 1 == no shared |
| u16 xNoHMT:1; // 0 == allow HMT, 1 == no HMT |
| u16 xRsvd2:12; // Reserved x18-x19 |
| 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 |
| }; |
| |
| #endif /* _HVRELEASEDATA_H */ |
