diff options
author | Hal Rosenstock <halr@voltaire.com> | 2005-07-27 11:45:44 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-27 16:26:14 -0700 |
commit | a5b74540770cb28b8ae779d0c27e228fe7500669 (patch) | |
tree | 9fdfc613760026f02a2a288de2f2ab2dd8c60997 /drivers/infiniband/core/ucm.h | |
parent | 8aa009191d157de53735646552421f3d1595364a (diff) | |
download | op-kernel-dev-a5b74540770cb28b8ae779d0c27e228fe7500669.zip op-kernel-dev-a5b74540770cb28b8ae779d0c27e228fe7500669.tar.gz |
[PATCH] IB: Add kernel portion of user CM implementation
Add kernel portion of user CM implementation
Signed-off-by: Libor Michalek <libor@topspin.com>
Signed-off-by: Hal Rosenstock <halr@voltaire.com>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/infiniband/core/ucm.h')
-rw-r--r-- | drivers/infiniband/core/ucm.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/infiniband/core/ucm.h b/drivers/infiniband/core/ucm.h new file mode 100644 index 0000000..6d36606 --- /dev/null +++ b/drivers/infiniband/core/ucm.h @@ -0,0 +1,89 @@ +/* + * Copyright (c) 2005 Topspin Communications. 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: ucm.h 2208 2005-04-22 23:24:31Z libor $ + */ + +#ifndef UCM_H +#define UCM_H + +#include <linux/fs.h> +#include <linux/device.h> +#include <linux/cdev.h> +#include <linux/idr.h> + +#include <ib_cm.h> +#include <ib_user_cm.h> + +#define IB_UCM_CM_ID_INVALID 0xffffffff + +struct ib_ucm_file { + struct semaphore mutex; + struct file *filp; + /* + * list of pending events + */ + struct list_head ctxs; /* list of active connections */ + struct list_head events; /* list of pending events */ + wait_queue_head_t poll_wait; +}; + +struct ib_ucm_context { + int id; + int ref; + int error; + + struct ib_ucm_file *file; + struct ib_cm_id *cm_id; + struct semaphore mutex; + + struct list_head events; /* list of pending events. */ + struct list_head file_list; /* member in file ctx list */ +}; + +struct ib_ucm_event { + struct ib_ucm_context *ctx; + struct list_head file_list; /* member in file event list */ + struct list_head ctx_list; /* member in ctx event list */ + + struct ib_ucm_event_resp resp; + void *data; + void *info; + int data_len; + int info_len; + /* + * new connection identifiers needs to be saved until + * userspace can get a handle on them. + */ + struct ib_cm_id *cm_id; +}; + +#endif /* UCM_H */ |