[PATCH] ppc64: Updated Olof iommu updates 1/3

Split out the implementation-specific parts of include/asm-ppc64/iommu.h
to separate include files (tce.h and dart.h respectively).

The generic iommu code really doesn't care about the underlying
implementation, and the TCE and DART stuff is completely different.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 35 deletions

diff --git a/include/asm-ppc64/iommu.h b/include/asm-ppc64/iommu.h
index 72dcf8116b04..a6a173d49506 100644
--- a/include/asm-ppc64/iommu.h
+++ b/include/asm-ppc64/iommu.h
@@ -1,5 +1,4 @@
 /*
- * iommu.h
  * Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
  * Rewrite, cleanup:
  * Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation
@@ -29,44 +28,11 @@
 
 /*
  * IOMAP_MAX_ORDER defines the largest contiguous block
- * of dma (tce) space we can get.  IOMAP_MAX_ORDER = 13
+ * of dma space we can get.  IOMAP_MAX_ORDER = 13
  * allows up to 2**12 pages (4096 * 4096) = 16 MB
  */
 #define IOMAP_MAX_ORDER 13
 
-/*
- * Tces come in two formats, one for the virtual bus and a different
- * format for PCI
- */
-#define TCE_VB  0
-#define TCE_PCI 1
-
-/* tce_entry
- * Used by pSeries (SMP) and iSeries/pSeries LPAR, but there it's
- * abstracted so layout is irrelevant.
- */
-union tce_entry {
-        unsigned long te_word;
-        struct {
-                unsigned int  tb_cacheBits :6;  /* Cache hash bits - not used */
-                unsigned int  tb_rsvd      :6;
-                unsigned long tb_rpn       :40; /* Real page number */
-                unsigned int  tb_valid     :1;  /* Tce is valid (vb only) */
-                unsigned int  tb_allio     :1;  /* Tce is valid for all lps (vb only) */
-                unsigned int  tb_lpindex   :8;  /* LpIndex for user of TCE (vb only) */
-                unsigned int  tb_pciwr     :1;  /* Write allowed (pci only) */
-                unsigned int  tb_rdwr      :1;  /* Read allowed  (pci), Write allowed (vb) */
-        } te_bits;
-#define te_cacheBits te_bits.tb_cacheBits
-#define te_rpn       te_bits.tb_rpn
-#define te_valid     te_bits.tb_valid
-#define te_allio     te_bits.tb_allio
-#define te_lpindex   te_bits.tb_lpindex
-#define te_pciwr     te_bits.tb_pciwr
-#define te_rdwr      te_bits.tb_rdwr
-};
-
-
 struct iommu_table {
         unsigned long  it_busno;     /* Bus number this table belongs to */
         unsigned long  it_size;      /* Size of iommu table in entries */