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Diffstat (limited to 'include/rdma/ib_umem_odp.h')
-rw-r--r--include/rdma/ib_umem_odp.h34
1 files changed, 14 insertions, 20 deletions
diff --git a/include/rdma/ib_umem_odp.h b/include/rdma/ib_umem_odp.h
index 0b1446fe2fab..dadc96dea39c 100644
--- a/include/rdma/ib_umem_odp.h
+++ b/include/rdma/ib_umem_odp.h
@@ -83,6 +83,19 @@ static inline struct ib_umem_odp *to_ib_umem_odp(struct ib_umem *umem)
return container_of(umem, struct ib_umem_odp, umem);
}
+/*
+ * The lower 2 bits of the DMA address signal the R/W permissions for
+ * the entry. To upgrade the permissions, provide the appropriate
+ * bitmask to the map_dma_pages function.
+ *
+ * Be aware that upgrading a mapped address might result in change of
+ * the DMA address for the page.
+ */
+#define ODP_READ_ALLOWED_BIT (1<<0ULL)
+#define ODP_WRITE_ALLOWED_BIT (1<<1ULL)
+
+#define ODP_DMA_ADDR_MASK (~(ODP_READ_ALLOWED_BIT | ODP_WRITE_ALLOWED_BIT))
+
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
struct ib_ucontext_per_mm {
@@ -103,23 +116,10 @@ struct ib_ucontext_per_mm {
};
int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access);
-struct ib_umem_odp *ib_alloc_odp_umem(struct ib_ucontext_per_mm *per_mm,
+struct ib_umem_odp *ib_alloc_odp_umem(struct ib_umem_odp *root_umem,
unsigned long addr, size_t size);
void ib_umem_odp_release(struct ib_umem_odp *umem_odp);
-/*
- * The lower 2 bits of the DMA address signal the R/W permissions for
- * the entry. To upgrade the permissions, provide the appropriate
- * bitmask to the map_dma_pages function.
- *
- * Be aware that upgrading a mapped address might result in change of
- * the DMA address for the page.
- */
-#define ODP_READ_ALLOWED_BIT (1<<0ULL)
-#define ODP_WRITE_ALLOWED_BIT (1<<1ULL)
-
-#define ODP_DMA_ADDR_MASK (~(ODP_READ_ALLOWED_BIT | ODP_WRITE_ALLOWED_BIT))
-
int ib_umem_odp_map_dma_pages(struct ib_umem_odp *umem_odp, u64 start_offset,
u64 bcnt, u64 access_mask,
unsigned long current_seq);
@@ -169,12 +169,6 @@ static inline int ib_umem_odp_get(struct ib_umem_odp *umem_odp, int access)
return -EINVAL;
}
-static inline struct ib_umem_odp *
-ib_alloc_odp_umem(struct ib_ucontext *context, unsigned long addr, size_t size)
-{
- return ERR_PTR(-EINVAL);
-}
-
static inline void ib_umem_odp_release(struct ib_umem_odp *umem_odp) {}
#endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */