1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/infiniband/include/ib_fmr_pool.h b/drivers/infiniband/include/ib_fmr_pool.h
new file mode 100644
index 000000000000..e8769657cbbb
--- /dev/null
+++ b/drivers/infiniband/include/ib_fmr_pool.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2004 Topspin Corporation.  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.
+ *
+ * $Id: ib_fmr_pool.h 1349 2004-12-16 21:09:43Z roland $
+ */
+#if !defined(IB_FMR_POOL_H)
+#define IB_FMR_POOL_H
+#include <ib_verbs.h>
+struct ib_fmr_pool;
+/**
+ * struct ib_fmr_pool_param - Parameters for creating FMR pool
+ * @max_pages_per_fmr:Maximum number of pages per map request.
+ * @access:Access flags for FMRs in pool.
+ * @pool_size:Number of FMRs to allocate for pool.
+ * @dirty_watermark:Flush is triggered when @dirty_watermark dirty
+ *     FMRs are present.
+ * @flush_function:Callback called when unmapped FMRs are flushed and
+ *     more FMRs are possibly available for mapping
+ * @flush_arg:Context passed to user's flush function.
+ * @cache:If set, FMRs may be reused after unmapping for identical map
+ *     requests.
+ */
+struct ib_fmr_pool_param {
+        int                     max_pages_per_fmr;
+        enum ib_access_flags    access;
+        int                     pool_size;
+        int                     dirty_watermark;
+        void                  (*flush_function)(struct ib_fmr_pool *pool,
+                                                void *              arg);
+        void                   *flush_arg;
+        unsigned                cache:1;
+};
+struct ib_pool_fmr {
+        struct ib_fmr      *fmr;
+        struct ib_fmr_pool *pool;
+        struct list_head    list;
+        struct hlist_node   cache_node;
+        int                 ref_count;
+        int                 remap_count;
+        u64                 io_virtual_address;
+        int                 page_list_len;
+        u64                 page_list[0];
+};
+struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd             *pd,
+                                       struct ib_fmr_pool_param *params);
+int ib_destroy_fmr_pool(struct ib_fmr_pool *pool);
+int ib_flush_fmr_pool(struct ib_fmr_pool *pool);
+struct ib_pool_fmr *ib_fmr_pool_map_phys(struct ib_fmr_pool *pool_handle,
+                                         u64                *page_list,
+                                         int                 list_len,
+                                         u64                *io_virtual_address);
+int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr);
+#endif /* IB_FMR_POOL_H */

diff --git a/drivers/infiniband/include/ib_fmr_pool.h b/drivers/infiniband/include/ib_fmr_pool.h new file mode 100644 index 000000000000..e8769657cbbb --- /dev/null +++ b/drivers/infiniband/include/ib_fmr_pool.h
@@ -0,0 +1,92 @@
	1	/*
	2	* Copyright (c) 2004 Topspin Corporation. All rights reserved.
	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*
	32	* $Id: ib_fmr_pool.h 1349 2004-12-16 21:09:43Z roland $
	33	*/
	34
	35	#if !defined(IB_FMR_POOL_H)
	36	#define IB_FMR_POOL_H
	37
	38	#include <ib_verbs.h>
	39
	40	struct ib_fmr_pool;
	41
	42	/**
	43	* struct ib_fmr_pool_param - Parameters for creating FMR pool
	44	* @max_pages_per_fmr:Maximum number of pages per map request.
	45	* @access:Access flags for FMRs in pool.
	46	* @pool_size:Number of FMRs to allocate for pool.
	47	* @dirty_watermark:Flush is triggered when @dirty_watermark dirty
	48	* FMRs are present.
	49	* @flush_function:Callback called when unmapped FMRs are flushed and
	50	* more FMRs are possibly available for mapping
	51	* @flush_arg:Context passed to user's flush function.
	52	* @cache:If set, FMRs may be reused after unmapping for identical map
	53	* requests.
	54	*/
	55	struct ib_fmr_pool_param {
	56	int max_pages_per_fmr;
	57	enum ib_access_flags access;
	58	int pool_size;
	59	int dirty_watermark;
	60	void (flush_function)(struct ib_fmr_pool pool,
	61	void * arg);
	62	void *flush_arg;
	63	unsigned cache:1;
	64	};
	65
	66	struct ib_pool_fmr {
	67	struct ib_fmr *fmr;
	68	struct ib_fmr_pool *pool;
	69	struct list_head list;
	70	struct hlist_node cache_node;
	71	int ref_count;
	72	int remap_count;
	73	u64 io_virtual_address;
	74	int page_list_len;
	75	u64 page_list[0];
	76	};
	77
	78	struct ib_fmr_pool ib_create_fmr_pool(struct ib_pd pd,
	79	struct ib_fmr_pool_param *params);
	80
	81	int ib_destroy_fmr_pool(struct ib_fmr_pool *pool);
	82
	83	int ib_flush_fmr_pool(struct ib_fmr_pool *pool);
	84
	85	struct ib_pool_fmr ib_fmr_pool_map_phys(struct ib_fmr_pool pool_handle,
	86	u64 *page_list,
	87	int list_len,
	88	u64 *io_virtual_address);
	89
	90	int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr);
	91
	92	#endif /* IB_FMR_POOL_H */