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| author | David Miller <davem@davemloft.net> | 2008-02-06 10:36:23 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-06 19:41:01 +0100 |
| commit | f661197e0a95ec7305e1e790d95b72a74a1c4a0f (patch) | |
| tree | a6916d877a3d9db9bc658758bd347d4f436f6d59 /drivers/pci/iova.c | |
| parent | IPC: fix error check in all new xxx_lock() and xxx_exit_ns() functions (diff) | |
| download | linux-f661197e0a95ec7305e1e790d95b72a74a1c4a0f.tar.xz linux-f661197e0a95ec7305e1e790d95b72a74a1c4a0f.zip | |
Genericizing iova.[ch]
I would like to potentially move the sparc64 IOMMU code over to using
the nice new drivers/pci/iova.[ch] code for free area management..
In order to do that we have to detach the IOMMU page size assumptions
which only really need to exist in the intel-iommu.[ch] code.
This patch attempts to implement that.
[akpm@linux-foundation.org: build fix]
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/pci/iova.c')
| -rw-r--r-- | drivers/pci/iova.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c index a84571c29360..8de7ab6c6d0c 100644 --- a/drivers/pci/iova.c +++ b/drivers/pci/iova.c @@ -9,19 +9,19 @@ #include "iova.h" void -init_iova_domain(struct iova_domain *iovad) +init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit) { spin_lock_init(&iovad->iova_alloc_lock); spin_lock_init(&iovad->iova_rbtree_lock); iovad->rbroot = RB_ROOT; iovad->cached32_node = NULL; - + iovad->dma_32bit_pfn = pfn_32bit; } static struct rb_node * __get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn) { - if ((*limit_pfn != DMA_32BIT_PFN) || + if ((*limit_pfn != iovad->dma_32bit_pfn) || (iovad->cached32_node == NULL)) return rb_last(&iovad->rbroot); else { @@ -37,7 +37,7 @@ static void __cached_rbnode_insert_update(struct iova_domain *iovad, unsigned long limit_pfn, struct iova *new) { - if (limit_pfn != DMA_32BIT_PFN) + if (limit_pfn != iovad->dma_32bit_pfn) return; iovad->cached32_node = &new->node; } |