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| author | Roland Dreier <rolandd@cisco.com> | 2005-07-07 17:57:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-07-07 18:23:49 -0700 |
| commit | 56483ec1b70221f8c9838ccc9a89b43d9de66993 (patch) | |
| tree | fa91d177d6d7b34e08ee6f16a859db4c7e65bef1 /drivers/infiniband/hw/mthca/mthca_memfree.h | |
| parent | e95975e8b87de47c08e032e7762fc7df7dfc2060 (diff) | |
| download | linux-stable-56483ec1b70221f8c9838ccc9a89b43d9de66993.tar.gz linux-stable-56483ec1b70221f8c9838ccc9a89b43d9de66993.tar.bz2 linux-stable-56483ec1b70221f8c9838ccc9a89b43d9de66993.zip | |
[PATCH] IB uverbs: add mthca user doorbell record support
Add support for userspace doorbell records to mthca.
Signed-off-by: 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/hw/mthca/mthca_memfree.h')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_memfree.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.h b/drivers/infiniband/hw/mthca/mthca_memfree.h index fe7be2a6bc4a..4761d844cb5f 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.h +++ b/drivers/infiniband/hw/mthca/mthca_memfree.h @@ -1,5 +1,6 @@ /* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. + * Copyright (c) 2005 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 @@ -148,7 +149,7 @@ struct mthca_db_table { struct semaphore mutex; }; -enum { +enum mthca_db_type { MTHCA_DB_TYPE_INVALID = 0x0, MTHCA_DB_TYPE_CQ_SET_CI = 0x1, MTHCA_DB_TYPE_CQ_ARM = 0x2, @@ -158,6 +159,17 @@ enum { MTHCA_DB_TYPE_GROUP_SEP = 0x7 }; +struct mthca_user_db_table; +struct mthca_uar; + +int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar, + struct mthca_user_db_table *db_tab, int index, u64 uaddr); +void mthca_unmap_user_db(struct mthca_dev *dev, struct mthca_uar *uar, + struct mthca_user_db_table *db_tab, int index); +struct mthca_user_db_table *mthca_init_user_db_tab(struct mthca_dev *dev); +void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar, + struct mthca_user_db_table *db_tab); + int mthca_init_db_tab(struct mthca_dev *dev); void mthca_cleanup_db_tab(struct mthca_dev *dev); int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, u32 **db); |