cb9fbc5c37
Add a new parameter, dmasync, to the ib_umem_get() prototype. Use dmasync = 1 when mapping user-allocated CQs with ib_umem_get(). Signed-off-by: Arthur Kepner <akepner@sgi.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: Jes Sorensen <jes@sgi.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Roland Dreier <rdreier@cisco.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: David Miller <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Grant Grundler <grundler@parisc-linux.org> Cc: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
112 lines
2.9 KiB
C
112 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2005 Topspin Communications. All rights reserved.
|
|
* Copyright (c) 2005, 2006 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 MTHCA_USER_H
|
|
#define MTHCA_USER_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
/*
|
|
* Increment this value if any changes that break userspace ABI
|
|
* compatibility are made.
|
|
*/
|
|
#define MTHCA_UVERBS_ABI_VERSION 2
|
|
|
|
/*
|
|
* Make sure that all structs defined in this file remain laid out so
|
|
* that they pack the same way on 32-bit and 64-bit architectures (to
|
|
* avoid incompatibility between 32-bit userspace and 64-bit kernels).
|
|
* In particular do not use pointer types -- pass pointers in __u64
|
|
* instead.
|
|
*/
|
|
|
|
struct mthca_alloc_ucontext_resp {
|
|
__u32 qp_tab_size;
|
|
__u32 uarc_size;
|
|
};
|
|
|
|
struct mthca_alloc_pd_resp {
|
|
__u32 pdn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct mthca_reg_mr {
|
|
__u32 mr_attrs;
|
|
#define MTHCA_MR_DMASYNC 0x1
|
|
/* mark the memory region with a DMA attribute that causes
|
|
* in-flight DMA to be flushed when the region is written to */
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct mthca_create_cq {
|
|
__u32 lkey;
|
|
__u32 pdn;
|
|
__u64 arm_db_page;
|
|
__u64 set_db_page;
|
|
__u32 arm_db_index;
|
|
__u32 set_db_index;
|
|
};
|
|
|
|
struct mthca_create_cq_resp {
|
|
__u32 cqn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct mthca_resize_cq {
|
|
__u32 lkey;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct mthca_create_srq {
|
|
__u32 lkey;
|
|
__u32 db_index;
|
|
__u64 db_page;
|
|
};
|
|
|
|
struct mthca_create_srq_resp {
|
|
__u32 srqn;
|
|
__u32 reserved;
|
|
};
|
|
|
|
struct mthca_create_qp {
|
|
__u32 lkey;
|
|
__u32 reserved;
|
|
__u64 sq_db_page;
|
|
__u64 rq_db_page;
|
|
__u32 sq_db_index;
|
|
__u32 rq_db_index;
|
|
};
|
|
|
|
#endif /* MTHCA_USER_H */
|