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| author |   Christoph Hellwig <hch@lst.de> | 2018-04-03 15:34:58 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-05-09 06:54:27 +0200 |
| commit | 0d3fdb157fd0b96b06be7f1d8cea21dd2bc030da (patch) | |
| tree | 83a1be817f90bdaa771c4f213e3b4acd7f36d38d /include | |
| parent | dma-debug: remove CONFIG_HAVE_DMA_API_DEBUG (diff) | |
| download | linux-dev-0d3fdb157fd0b96b06be7f1d8cea21dd2bc030da.tar.xz linux-dev-0d3fdb157fd0b96b06be7f1d8cea21dd2bc030da.zip | |
iommu-common: move to arch/sparc
This code is only used by sparc, and all new iommu drivers should use the
drivers/iommu/ framework. Also remove the unused exports.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/iommu-common.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/linux/iommu-common.h b/include/linux/iommu-common.h deleted file mode 100644 index 802c90c79d1f..000000000000 --- a/include/linux/iommu-common.h +++ /dev/null @@ -1,53 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#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) -#define IOMMU_ERROR_CODE (~(unsigned long) 0) - -struct iommu_pool { - unsigned long start; - unsigned long end; - unsigned long hint; - spinlock_t lock; -}; - -struct iommu_map_table { - unsigned long table_map_base; - unsigned long table_shift; - unsigned long nr_pools; - void (*lazy_flush)(struct iommu_map_table *); - unsigned long poolsize; - struct iommu_pool pools[IOMMU_NR_POOLS]; - u32 flags; -#define IOMMU_HAS_LARGE_POOL 0x00000001 -#define IOMMU_NO_SPAN_BOUND 0x00000002 -#define IOMMU_NEED_FLUSH 0x00000004 - struct iommu_pool large_pool; - unsigned long *map; -}; - -extern void iommu_tbl_pool_init(struct iommu_map_table *iommu, - unsigned long num_entries, - u32 table_shift, - void (*lazy_flush)(struct iommu_map_table *), - bool large_pool, u32 npools, - bool skip_span_boundary_check); - -extern unsigned long iommu_tbl_range_alloc(struct device *dev, - struct iommu_map_table *iommu, - unsigned long npages, - unsigned long *handle, - unsigned long mask, - unsigned int align_order); - -extern void iommu_tbl_range_free(struct iommu_map_table *iommu, - u64 dma_addr, unsigned long npages, - unsigned long entry); - -#endif |