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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-01 13:20:35 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-01 13:20:35 -0700
commitf9a22239257561df80ef54fc8f31880e2fb2a27b (patch)
tree01e6be9b66ecf68f3c01ba76289007d983ebe162 /include
parenteff910a91ac04ab1d9e210d4f721484af3b39c8d (diff)
parent88314ee73fd75eb32abdcb3119cd303c116d4500 (diff)
Automatic merge of rsync://rsync.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
Diffstat (limited to 'include')
-rw-r--r--include/asm-sparc64/iommu.h2
-rw-r--r--include/asm-sparc64/pbm.h8
2 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-sparc64/iommu.h b/include/asm-sparc64/iommu.h
index 5fd16e42a04..0de7a3da79c 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 92999631c81..4c15610a2ba 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