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/*
* 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 */
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