diff options
author | Ralph Campbell <ralph.campbell@qlogic.com> | 2010-05-23 21:44:54 -0700 |
---|---|---|
committer | Roland Dreier <rolandd@cisco.com> | 2010-05-23 21:44:54 -0700 |
commit | f931551bafe1f10ded7f5282e2aa162c267a2e5d (patch) | |
tree | e81b4656a8116abf5fd0bc0bbc46560aff536159 /drivers/infiniband/hw/qib/qib_user_sdma.h | |
parent | 9a6edb60ec10d86b1025a0cdad68fd89f1ddaf02 (diff) | |
download | op-kernel-dev-f931551bafe1f10ded7f5282e2aa162c267a2e5d.zip op-kernel-dev-f931551bafe1f10ded7f5282e2aa162c267a2e5d.tar.gz |
IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters
Add a low-level IB driver for QLogic PCIe adapters.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_user_sdma.h')
-rw-r--r-- | drivers/infiniband/hw/qib/qib_user_sdma.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.h b/drivers/infiniband/hw/qib/qib_user_sdma.h new file mode 100644 index 0000000..ce8cbaf --- /dev/null +++ b/drivers/infiniband/hw/qib/qib_user_sdma.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2007, 2008 QLogic 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. + */ +#include <linux/device.h> + +struct qib_user_sdma_queue; + +struct qib_user_sdma_queue * +qib_user_sdma_queue_create(struct device *dev, int unit, int port, int sport); +void qib_user_sdma_queue_destroy(struct qib_user_sdma_queue *pq); + +int qib_user_sdma_writev(struct qib_ctxtdata *pd, + struct qib_user_sdma_queue *pq, + const struct iovec *iov, + unsigned long dim); + +int qib_user_sdma_make_progress(struct qib_pportdata *ppd, + struct qib_user_sdma_queue *pq); + +void qib_user_sdma_queue_drain(struct qib_pportdata *ppd, + struct qib_user_sdma_queue *pq); + +u32 qib_user_sdma_complete_counter(const struct qib_user_sdma_queue *pq); +u32 qib_user_sdma_inflight_counter(struct qib_user_sdma_queue *pq); |