X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-powerpc%2Flppaca.h;h=821ea0c512b415b552f7e088142e41063df96a6d;hb=f9509c84d8d9451ecd1731e922e7094b38ee336a;hp=ff82ea7c48292bcfcf194f06d1a7c88e5459b370;hpb=6150c32589d1976ca8a5c987df951088c05a7542;p=linux-2.6

diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index ff82ea7c48..821ea0c512 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -27,8 +27,12 @@
 //
 //
 //----------------------------------------------------------------------------
+#include <linux/cache.h>
 #include <asm/types.h>
+#include <asm/mmu.h>
 
+/* The Hypervisor barfs if the lppaca crosses a page boundary.  A 1k
+ * alignment is sufficient to prevent this */
 struct lppaca {
 //=============================================================================
 // CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
@@ -112,7 +116,7 @@ struct lppaca {
 
 
 //=============================================================================
-// CACHE_LINE_3 0x0100 - 0x007F: This line is shared with other processors
+// CACHE_LINE_3 0x0100 - 0x017F: This line is shared with other processors
 //=============================================================================
 	// This is the yield_count.  An "odd" value (low bit on) means that
 	// the processor is yielded (either because of an OS yield or a PLIC
@@ -124,10 +128,29 @@ struct lppaca {
 	u8	reserved6[124];		// Reserved                     x04-x7F
 
 //=============================================================================
-// CACHE_LINE_4-5 0x0100 - 0x01FF Contains PMC interrupt data
+// CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
 //=============================================================================
 	u8	pmc_save_area[256];	// PMC interrupt Area           x00-xFF
-};
+} __attribute__((__aligned__(0x400)));
+
+extern struct lppaca lppaca[];
+
+/*
+ * SLB shadow buffer structure as defined in the PAPR.  The save_area
+ * contains adjacent ESID and VSID pairs for each shadowed SLB.  The
+ * ESID is stored in the lower 64bits, then the VSID.
+ */
+struct slb_shadow {
+	u32	persistent;		// Number of persistent SLBs	x00-x03
+	u32	buffer_length;		// Total shadow buffer length	x04-x07
+	u64	reserved;		// Alignment			x08-x0f
+	struct	{
+		u64     esid;
+		u64	vsid;
+	} save_area[SLB_NUM_BOLTED];	//				x10-x40
+} ____cacheline_aligned;
+
+extern struct slb_shadow slb_shadow[];
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */