1 files changed, 63 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/iseries/release_data.h b/arch/powerpc/platforms/iseries/release_data.h
new file mode 100644
index 00000000000..6ad7d843e8f
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/release_data.h
@@ -0,0 +1,63 @@
+/*
+ * 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 */