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