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authorDavid S. Miller <davem@davemloft.net>2015-04-18 12:31:25 -0700
committerDavid S. Miller <davem@davemloft.net>2015-04-18 12:31:25 -0700
commitc12f048ffdf3a5802239426dc290290929268dc9 (patch)
tree89fa401142c58061744653492ca8b720d5b2d7b5 /include/linux/iommu-common.h
parent04b7fe6a4a231871ef681bc95e08fe66992f7b1f (diff)
sparc: Revert generic IOMMU allocator.
I applied the wrong version of this patch series, V4 instead of V10, due to a patchwork bundling snafu. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/iommu-common.h')
-rw-r--r--include/linux/iommu-common.h55
1 files changed, 0 insertions, 55 deletions
diff --git a/include/linux/iommu-common.h b/include/linux/iommu-common.h
deleted file mode 100644
index 6be5c863f329..000000000000
--- a/include/linux/iommu-common.h
+++ /dev/null
@@ -1,55 +0,0 @@
-#ifndef _LINUX_IOMMU_COMMON_H
-#define _LINUX_IOMMU_COMMON_H
-
-#include <linux/spinlock_types.h>
-#include <linux/device.h>
-#include <asm/page.h>
-
-#define IOMMU_POOL_HASHBITS 4
-#define IOMMU_NR_POOLS (1 << IOMMU_POOL_HASHBITS)
-
-struct iommu_pool {
- unsigned long start;
- unsigned long end;
- unsigned long hint;
- spinlock_t lock;
-};
-
-struct iommu_table;
-
-struct iommu_tbl_ops {
- unsigned long (*cookie_to_index)(u64, void *);
- void (*demap)(void *, unsigned long, unsigned long);
- void (*reset)(struct iommu_table *);
-};
-
-struct iommu_table {
- unsigned long page_table_map_base;
- unsigned long page_table_shift;
- unsigned long nr_pools;
- const struct iommu_tbl_ops *iommu_tbl_ops;
- unsigned long poolsize;
- struct iommu_pool arena_pool[IOMMU_NR_POOLS];
- u32 flags;
-#define IOMMU_HAS_LARGE_POOL 0x00000001
- struct iommu_pool large_pool;
- unsigned long *map;
-};
-
-extern void iommu_tbl_pool_init(struct iommu_table *iommu,
- unsigned long num_entries,
- u32 page_table_shift,
- const struct iommu_tbl_ops *iommu_tbl_ops,
- bool large_pool, u32 npools);
-
-extern unsigned long iommu_tbl_range_alloc(struct device *dev,
- struct iommu_table *iommu,
- unsigned long npages,
- unsigned long *handle,
- unsigned int pool_hash);
-
-extern void iommu_tbl_range_free(struct iommu_table *iommu,
- u64 dma_addr, unsigned long npages,
- bool do_demap, void *demap_arg);
-
-#endif