aboutsummaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/rdma/ib_umem.h78
-rw-r--r--include/rdma/ib_verbs.h28
2 files changed, 82 insertions, 24 deletions
diff --git a/include/rdma/ib_umem.h b/include/rdma/ib_umem.h
new file mode 100644
index 00000000000..06307f7e43e
--- /dev/null
+++ b/include/rdma/ib_umem.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2007 Cisco Systems. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef IB_UMEM_H
+#define IB_UMEM_H
+
+#include <linux/list.h>
+#include <linux/scatterlist.h>
+
+struct ib_ucontext;
+
+struct ib_umem {
+ struct ib_ucontext *context;
+ size_t length;
+ int offset;
+ int page_size;
+ int writable;
+ struct list_head chunk_list;
+};
+
+struct ib_umem_chunk {
+ struct list_head list;
+ int nents;
+ int nmap;
+ struct scatterlist page_list[0];
+};
+
+#ifdef CONFIG_INFINIBAND_USER_MEM
+
+struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
+ size_t size, int access);
+void ib_umem_release(struct ib_umem *umem);
+int ib_umem_page_count(struct ib_umem *umem);
+
+#else /* CONFIG_INFINIBAND_USER_MEM */
+
+#include <linux/err.h>
+
+static inline struct ib_umem *ib_umem_get(struct ib_ucontext *context,
+ unsigned long addr, size_t size,
+ int access) {
+ return ERR_PTR(-EINVAL);
+}
+static inline void ib_umem_release(struct ib_umem *umem) { }
+static inline int ib_umem_page_count(struct ib_umem *umem) { return 0; }
+
+#endif /* CONFIG_INFINIBAND_USER_MEM */
+
+#endif /* IB_UMEM_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 5342ac64ed1..47cefca59c8 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -5,7 +5,7 @@
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
- * Copyright (c) 2005, 2006 Cisco Systems. All rights reserved.
+ * Copyright (c) 2005, 2006, 2007 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
@@ -710,6 +710,7 @@ struct ib_ucontext {
struct list_head qp_list;
struct list_head srq_list;
struct list_head ah_list;
+ int closing;
};
struct ib_uobject {
@@ -723,23 +724,6 @@ struct ib_uobject {
int live;
};
-struct ib_umem {
- unsigned long user_base;
- unsigned long virt_base;
- size_t length;
- int offset;
- int page_size;
- int writable;
- struct list_head chunk_list;
-};
-
-struct ib_umem_chunk {
- struct list_head list;
- int nents;
- int nmap;
- struct scatterlist page_list[0];
-};
-
struct ib_udata {
void __user *inbuf;
void __user *outbuf;
@@ -752,11 +736,6 @@ struct ib_udata {
((void *) &((struct ib_umem_chunk *) 0)->page_list[1] - \
(void *) &((struct ib_umem_chunk *) 0)->page_list[0]))
-struct ib_umem_object {
- struct ib_uobject uobject;
- struct ib_umem umem;
-};
-
struct ib_pd {
struct ib_device *device;
struct ib_uobject *uobject;
@@ -1003,7 +982,8 @@ struct ib_device {
int mr_access_flags,
u64 *iova_start);
struct ib_mr * (*reg_user_mr)(struct ib_pd *pd,
- struct ib_umem *region,
+ u64 start, u64 length,
+ u64 virt_addr,
int mr_access_flags,
struct ib_udata *udata);
int (*query_mr)(struct ib_mr *mr,