/*
- * iommu.h
* Copyright (C) 2001 Mike Corrigan & Dave Engebretsen, IBM Corporation
* Rewrite, cleanup:
* Copyright (C) 2004 Olof Johansson <olof@austin.ibm.com>, IBM Corporation
/*
* 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 */
};
struct scatterlist;
+struct device_node;
#ifdef CONFIG_PPC_MULTIPLATFORM
#ifdef CONFIG_PPC_ISERIES
-/* Initializes tables for bio buses */
-extern void __init iommu_vio_init(void);
-
-struct iSeries_Device_Node;
/* Creates table for an individual device node */
-extern void iommu_devnode_init_iSeries(struct iSeries_Device_Node *dn);
+extern void iommu_devnode_init_iSeries(struct device_node *dn);
#endif /* CONFIG_PPC_ISERIES */