Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[linux-2.6] / include / asm-powerpc / iommu.h

diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h
index 19403183dbbce4cf4b136693ec74a059e9684944..4a82fdccee92a8fd57e5bde18439a05c5e48c02e 100644 (file)
--- a/include/asm-powerpc/iommu.h
+++ b/include/asm-powerpc/iommu.h
@@ -26,15 +26,18 @@
 #include <linux/spinlock.h>
 #include <linux/device.h>
 #include <linux/dma-mapping.h>
+#include <linux/bitops.h>
+#include <asm/machdep.h>
 #include <asm/types.h>
-#include <asm/bitops.h>
 
 #define IOMMU_PAGE_SHIFT      12
 #define IOMMU_PAGE_SIZE       (ASM_CONST(1) << IOMMU_PAGE_SHIFT)
 #define IOMMU_PAGE_MASK       (~((1 << IOMMU_PAGE_SHIFT) - 1))
 #define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE)
 
-#ifndef __ASSEMBLY__
+/* Boot time flags */
+extern int iommu_is_off;
+extern int iommu_force_on;
 
 /* Pure 2^n version of get_order */
 static __inline__ __attribute_const__ int get_iommu_order(unsigned long size)
@@ -42,8 +45,6 @@ static __inline__ __attribute_const__ int get_iommu_order(unsigned long size)
        return __ilog2((size - 1) >> IOMMU_PAGE_SHIFT) + 1;
 }
 
-#endif   /* __ASSEMBLY__ */
-
 
 /*
  * IOMAP_MAX_ORDER defines the largest contiguous block
@@ -99,6 +100,7 @@ extern void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
 extern void iommu_init_early_pSeries(void);
 extern void iommu_init_early_iSeries(void);
 extern void iommu_init_early_dart(void);
+extern void iommu_init_early_pasemi(void);
 
 #ifdef CONFIG_PCI
 extern void pci_iommu_init(void);
@@ -108,6 +110,19 @@ static inline void pci_iommu_init(void) { }
 #endif
 
 extern void alloc_dart_table(void);
+#if defined(CONFIG_PPC64) && defined(CONFIG_PM)
+static inline void iommu_save(void)
+{
+       if (ppc_md.iommu_save)
+               ppc_md.iommu_save();
+}
+
+static inline void iommu_restore(void)
+{
+       if (ppc_md.iommu_restore)
+               ppc_md.iommu_restore();
+}
+#endif
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_IOMMU_H */