diff options
| author | Steve French <sfrench@hera.kernel.org> | 2005-06-02 14:42:23 -0700 |
|---|---|---|
| committer | Steve French <sfrench@hera.kernel.org> | 2005-06-02 14:42:23 -0700 |
| commit | 467ca22d3371f132ee225a5591a1ed0cd518cb3d (patch) | |
| tree | 0e3d6de84b4ffa379c2c7ddcebd3f55de52b9844 /include | |
| parent | 12725675e26d52c39e856d341035b94bf7802458 (diff) | |
| parent | 1e86d1c648508fd50e6c9960576b87906a7906ad (diff) | |
Merge with rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-sparc64/iommu.h | 2 | ||||
| -rw-r--r-- | include/asm-sparc64/pbm.h | 8 |
2 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h index 5fd16e42a045..0de7a3da79cd 100644 --- a/include/asm-sparc64/iommu.h +++ b/include/asm-sparc64/iommu.h @@ -16,4 +16,6 @@ #define IOPTE_CACHE 0x0000000000000010UL /* Cached (in UPA E-cache) */ #define IOPTE_WRITE 0x0000000000000002UL /* Writeable */ +#define IOMMU_NUM_CTXS 4096 + #endif /* !(_SPARC_IOMMU_H) */ diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h index 92999631c819..4c15610a2bac 100644 --- a/include/asm-sparc64/pbm.h +++ b/include/asm-sparc64/pbm.h @@ -15,6 +15,7 @@ #include <asm/io.h> #include <asm/page.h> #include <asm/oplib.h> +#include <asm/iommu.h> /* The abstraction used here is that there are PCI controllers, * each with one (Sabre) or two (PSYCHO/SCHIZO) PCI bus modules @@ -40,9 +41,6 @@ struct pci_iommu { */ spinlock_t lock; - /* Context allocator. */ - unsigned int iommu_cur_ctx; - /* IOMMU page table, a linear array of ioptes. */ iopte_t *page_table; /* The page table itself. */ int page_table_sz_bits; /* log2 of ow many pages does it map? */ @@ -87,6 +85,10 @@ struct pci_iommu { u16 flush; } alloc_info[PBM_NCLUSTERS]; + /* CTX allocation. */ + unsigned long ctx_lowest_free; + unsigned long ctx_bitmap[IOMMU_NUM_CTXS / (sizeof(unsigned long) * 8)]; + /* Here a PCI controller driver describes the areas of * PCI memory space where DMA to/from physical memory * are addressed. Drivers interrogate the PCI layer |