2 * Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/types.h>
38 #include <linux/mlx4/device.h>
40 #define MLX4_INVALID_LKEY 0x100
43 MLX4_QP_OPTPAR_ALT_ADDR_PATH
= 1 << 0,
44 MLX4_QP_OPTPAR_RRE
= 1 << 1,
45 MLX4_QP_OPTPAR_RAE
= 1 << 2,
46 MLX4_QP_OPTPAR_RWE
= 1 << 3,
47 MLX4_QP_OPTPAR_PKEY_INDEX
= 1 << 4,
48 MLX4_QP_OPTPAR_Q_KEY
= 1 << 5,
49 MLX4_QP_OPTPAR_RNR_TIMEOUT
= 1 << 6,
50 MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH
= 1 << 7,
51 MLX4_QP_OPTPAR_SRA_MAX
= 1 << 8,
52 MLX4_QP_OPTPAR_RRA_MAX
= 1 << 9,
53 MLX4_QP_OPTPAR_PM_STATE
= 1 << 10,
54 MLX4_QP_OPTPAR_RETRY_COUNT
= 1 << 12,
55 MLX4_QP_OPTPAR_RNR_RETRY
= 1 << 13,
56 MLX4_QP_OPTPAR_ACK_TIMEOUT
= 1 << 14,
57 MLX4_QP_OPTPAR_SCHED_QUEUE
= 1 << 16,
58 MLX4_QP_OPTPAR_COUNTER_INDEX
= 1 << 20
62 MLX4_QP_STATE_RST
= 0,
63 MLX4_QP_STATE_INIT
= 1,
64 MLX4_QP_STATE_RTR
= 2,
65 MLX4_QP_STATE_RTS
= 3,
66 MLX4_QP_STATE_SQER
= 4,
67 MLX4_QP_STATE_SQD
= 5,
68 MLX4_QP_STATE_ERR
= 6,
69 MLX4_QP_STATE_SQ_DRAINING
= 7,
82 MLX4_QP_PM_MIGRATED
= 0x3,
83 MLX4_QP_PM_ARMED
= 0x0,
84 MLX4_QP_PM_REARM
= 0x1
89 MLX4_QP_BIT_SRE
= 1 << 15,
90 MLX4_QP_BIT_SWE
= 1 << 14,
91 MLX4_QP_BIT_SAE
= 1 << 13,
93 MLX4_QP_BIT_RRE
= 1 << 15,
94 MLX4_QP_BIT_RWE
= 1 << 14,
95 MLX4_QP_BIT_RAE
= 1 << 13,
96 MLX4_QP_BIT_RIC
= 1 << 4,
110 __be32 tclass_flowlabel
;
119 struct mlx4_qp_context
{
129 struct mlx4_qp_path pri_path
;
130 struct mlx4_qp_path alt_path
;
133 __be32 next_send_psn
;
136 __be32 last_acked_psn
;
139 __be32 rnr_nextrecvpsn
;
146 __be16 rq_wqe_counter
;
147 __be16 sq_wqe_counter
;
150 __be32 nummmcpeers_basemkey
;
154 __be32 mtt_base_addr_l
;
158 /* Which firmware version adds support for NEC (NoErrorCompletion) bit */
159 #define MLX4_FW_VER_WQE_CTRL_NEC mlx4_fw_ver(2, 2, 232)
162 MLX4_WQE_CTRL_NEC
= 1 << 29,
163 MLX4_WQE_CTRL_FENCE
= 1 << 6,
164 MLX4_WQE_CTRL_CQ_UPDATE
= 3 << 2,
165 MLX4_WQE_CTRL_SOLICITED
= 1 << 1,
166 MLX4_WQE_CTRL_IP_CSUM
= 1 << 4,
167 MLX4_WQE_CTRL_TCP_UDP_CSUM
= 1 << 5,
168 MLX4_WQE_CTRL_INS_VLAN
= 1 << 6,
169 MLX4_WQE_CTRL_STRONG_ORDER
= 1 << 7,
170 MLX4_WQE_CTRL_FORCE_LOOPBACK
= 1 << 0,
173 struct mlx4_wqe_ctrl_seg
{
179 * High 24 bits are SRC remote buffer; low 8 bits are flags:
180 * [7] SO (strong ordering)
181 * [5] TCP/UDP checksum
183 * [3:2] C (generate completion queue entry)
184 * [1] SE (solicited event)
188 * imm is immediate data for send/RDMA write w/ immediate;
189 * also invalidation key for send with invalidate; input
190 * modifier for WQEs on CCQs.
196 MLX4_WQE_MLX_VL15
= 1 << 17,
197 MLX4_WQE_MLX_SLR
= 1 << 16
200 struct mlx4_wqe_mlx_seg
{
209 * [15:12] static rate
213 * [0] FL (force loopback)
220 struct mlx4_wqe_datagram_seg
{
228 struct mlx4_wqe_lso_seg
{
233 struct mlx4_wqe_bind_seg
{
243 MLX4_WQE_FMR_PERM_LOCAL_READ
= 1 << 27,
244 MLX4_WQE_FMR_PERM_LOCAL_WRITE
= 1 << 28,
245 MLX4_WQE_FMR_PERM_REMOTE_READ
= 1 << 29,
246 MLX4_WQE_FMR_PERM_REMOTE_WRITE
= 1 << 30,
247 MLX4_WQE_FMR_PERM_ATOMIC
= 1 << 31
250 struct mlx4_wqe_fmr_seg
{
261 struct mlx4_wqe_fmr_ext_seg
{
267 __be32 wire_ref_tag_base
;
268 __be32 mem_ref_tag_base
;
271 struct mlx4_wqe_local_inval_seg
{
280 struct mlx4_wqe_raddr_seg
{
286 struct mlx4_wqe_atomic_seg
{
291 struct mlx4_wqe_masked_atomic_seg
{
294 __be64 swap_add_mask
;
298 struct mlx4_wqe_data_seg
{
305 MLX4_INLINE_ALIGN
= 64,
306 MLX4_INLINE_SEG
= 1 << 31,
309 struct mlx4_wqe_inline_seg
{
313 int mlx4_qp_modify(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
314 enum mlx4_qp_state cur_state
, enum mlx4_qp_state new_state
,
315 struct mlx4_qp_context
*context
, enum mlx4_qp_optpar optpar
,
316 int sqd_event
, struct mlx4_qp
*qp
);
318 int mlx4_qp_query(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
,
319 struct mlx4_qp_context
*context
);
321 int mlx4_qp_to_ready(struct mlx4_dev
*dev
, struct mlx4_mtt
*mtt
,
322 struct mlx4_qp_context
*context
,
323 struct mlx4_qp
*qp
, enum mlx4_qp_state
*qp_state
);
325 static inline struct mlx4_qp
*__mlx4_qp_lookup(struct mlx4_dev
*dev
, u32 qpn
)
327 return radix_tree_lookup(&dev
->qp_table_tree
, qpn
& (dev
->caps
.num_qps
- 1));
330 void mlx4_qp_remove(struct mlx4_dev
*dev
, struct mlx4_qp
*qp
);
332 #endif /* MLX4_QP_H */