summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/mlx5/user.h
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 12:57:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 12:57:21 -0700
commitc55244137306b626bc64023fd7160985443205a7 (patch)
tree459acfb5c9b41e3e1616fb36aafda68a07ddbf54 /drivers/infiniband/hw/mlx5/user.h
parent858655116bfc722837e3aec0909b8e9d08f96996 (diff)
parente04abfa2436e3ab016b23eb1afb2c5578b8dc2cf (diff)
downloadop-kernel-dev-c55244137306b626bc64023fd7160985443205a7.zip
op-kernel-dev-c55244137306b626bc64023fd7160985443205a7.tar.gz
Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull InfiniBand/RDMA changes from Roland Dreier: - AF_IB (native IB addressing) for CMA from Sean Hefty - new mlx5 driver for Mellanox Connect-IB adapters (including post merge request fixes) - SRP fixes from Bart Van Assche (including fix to first merge request) - qib HW driver updates - resurrection of ocrdma HW driver development - uverbs conversion to create fds with O_CLOEXEC set - other small changes and fixes * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (66 commits) mlx5: Return -EFAULT instead of -EPERM IB/qib: Log all SDMA errors unconditionally IB/qib: Fix module-level leak mlx5_core: Adjust hca_cap.uar_page_sz to conform to Connect-IB spec IB/srp: Let srp_abort() return FAST_IO_FAIL if TL offline IB/uverbs: Use get_unused_fd_flags(O_CLOEXEC) instead of get_unused_fd() mlx5_core: Fixes for sparse warnings IB/mlx5: Make profile[] static in main.c mlx5: Fix parameter type of health_handler_t mlx5: Add driver for Mellanox Connect-IB adapters IB/core: Add reserved values to enums for low-level driver use IB/srp: Bump driver version and release date IB/srp: Make HCA completion vector configurable IB/srp: Maintain a single connection per I_T nexus IB/srp: Fail I/O fast if target offline IB/srp: Skip host settle delay IB/srp: Avoid skipping srp_reset_host() after a transport error IB/srp: Fix remove_one crash due to resource exhaustion IB/qib: New transmitter tunning settings for Dell 1.1 backplane IB/core: Fix error return code in add_port() ...
Diffstat (limited to 'drivers/infiniband/hw/mlx5/user.h')
-rw-r--r--drivers/infiniband/hw/mlx5/user.h121
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/user.h b/drivers/infiniband/hw/mlx5/user.h
new file mode 100644
index 0000000..a886de3
--- /dev/null
+++ b/drivers/infiniband/hw/mlx5/user.h
@@ -0,0 +1,121 @@
+/*
+ * Copyright (c) 2013, Mellanox Technologies inc. 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 MLX5_IB_USER_H
+#define MLX5_IB_USER_H
+
+#include <linux/types.h>
+
+enum {
+ MLX5_QP_FLAG_SIGNATURE = 1 << 0,
+ MLX5_QP_FLAG_SCATTER_CQE = 1 << 1,
+};
+
+enum {
+ MLX5_SRQ_FLAG_SIGNATURE = 1 << 0,
+};
+
+
+/* Increment this value if any changes that break userspace ABI
+ * compatibility are made.
+ */
+#define MLX5_IB_UVERBS_ABI_VERSION 1
+
+/* 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 mlx5_ib_alloc_ucontext_req {
+ __u32 total_num_uuars;
+ __u32 num_low_latency_uuars;
+};
+
+struct mlx5_ib_alloc_ucontext_resp {
+ __u32 qp_tab_size;
+ __u32 bf_reg_size;
+ __u32 tot_uuars;
+ __u32 cache_line_size;
+ __u16 max_sq_desc_sz;
+ __u16 max_rq_desc_sz;
+ __u32 max_send_wqebb;
+ __u32 max_recv_wr;
+ __u32 max_srq_recv_wr;
+ __u16 num_ports;
+ __u16 reserved;
+};
+
+struct mlx5_ib_alloc_pd_resp {
+ __u32 pdn;
+};
+
+struct mlx5_ib_create_cq {
+ __u64 buf_addr;
+ __u64 db_addr;
+ __u32 cqe_size;
+};
+
+struct mlx5_ib_create_cq_resp {
+ __u32 cqn;
+ __u32 reserved;
+};
+
+struct mlx5_ib_resize_cq {
+ __u64 buf_addr;
+};
+
+struct mlx5_ib_create_srq {
+ __u64 buf_addr;
+ __u64 db_addr;
+ __u32 flags;
+};
+
+struct mlx5_ib_create_srq_resp {
+ __u32 srqn;
+ __u32 reserved;
+};
+
+struct mlx5_ib_create_qp {
+ __u64 buf_addr;
+ __u64 db_addr;
+ __u32 sq_wqe_count;
+ __u32 rq_wqe_count;
+ __u32 rq_wqe_shift;
+ __u32 flags;
+};
+
+struct mlx5_ib_create_qp_resp {
+ __u32 uuar_index;
+};
+#endif /* MLX5_IB_USER_H */
OpenPOWER on IntegriCloud