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>
39 #include <linux/mlx4/doorbell.h>
43 __be32 immed_rss_invalid
;
61 u8 vendor_err_syndrome
;
69 __be32 immed_rss_invalid
;
84 MLX4_CQE_VLAN_PRESENT_MASK
= 1 << 29,
85 MLX4_CQE_QPN_MASK
= 0xffffff,
89 MLX4_CQE_OWNER_MASK
= 0x80,
90 MLX4_CQE_IS_SEND_MASK
= 0x40,
91 MLX4_CQE_OPCODE_MASK
= 0x1f
95 MLX4_CQE_SYNDROME_LOCAL_LENGTH_ERR
= 0x01,
96 MLX4_CQE_SYNDROME_LOCAL_QP_OP_ERR
= 0x02,
97 MLX4_CQE_SYNDROME_LOCAL_PROT_ERR
= 0x04,
98 MLX4_CQE_SYNDROME_WR_FLUSH_ERR
= 0x05,
99 MLX4_CQE_SYNDROME_MW_BIND_ERR
= 0x06,
100 MLX4_CQE_SYNDROME_BAD_RESP_ERR
= 0x10,
101 MLX4_CQE_SYNDROME_LOCAL_ACCESS_ERR
= 0x11,
102 MLX4_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR
= 0x12,
103 MLX4_CQE_SYNDROME_REMOTE_ACCESS_ERR
= 0x13,
104 MLX4_CQE_SYNDROME_REMOTE_OP_ERR
= 0x14,
105 MLX4_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR
= 0x15,
106 MLX4_CQE_SYNDROME_RNR_RETRY_EXC_ERR
= 0x16,
107 MLX4_CQE_SYNDROME_REMOTE_ABORTED_ERR
= 0x22,
111 MLX4_CQE_STATUS_IPV4
= 1 << 6,
112 MLX4_CQE_STATUS_IPV4F
= 1 << 7,
113 MLX4_CQE_STATUS_IPV6
= 1 << 8,
114 MLX4_CQE_STATUS_IPV4OPT
= 1 << 9,
115 MLX4_CQE_STATUS_TCP
= 1 << 10,
116 MLX4_CQE_STATUS_UDP
= 1 << 11,
117 MLX4_CQE_STATUS_IPOK
= 1 << 12,
122 MLX4_CQE_SNAP
= 1 << 1,
123 MLX4_CQE_BAD_FCS
= 1 << 4,
126 static inline void mlx4_cq_arm(struct mlx4_cq
*cq
, u32 cmd
,
127 void __iomem
*uar_page
,
128 spinlock_t
*doorbell_lock
)
135 ci
= cq
->cons_index
& 0xffffff;
137 *cq
->arm_db
= cpu_to_be32(sn
<< 28 | cmd
| ci
);
140 * Make sure that the doorbell record in host memory is
141 * written before ringing the doorbell via PCI MMIO.
145 doorbell
[0] = cpu_to_be32(sn
<< 28 | cmd
| cq
->cqn
);
146 doorbell
[1] = cpu_to_be32(ci
);
148 mlx4_write64(doorbell
, uar_page
+ MLX4_CQ_DOORBELL
, doorbell_lock
);
151 static inline void mlx4_cq_set_ci(struct mlx4_cq
*cq
)
153 *cq
->set_ci_db
= cpu_to_be32(cq
->cons_index
& 0xffffff);
157 MLX4_CQ_DB_REQ_NOT_SOL
= 1 << 24,
158 MLX4_CQ_DB_REQ_NOT
= 2 << 24
161 int mlx4_cq_modify(struct mlx4_dev
*dev
, struct mlx4_cq
*cq
,
162 u16 count
, u16 period
);
163 int mlx4_cq_resize(struct mlx4_dev
*dev
, struct mlx4_cq
*cq
,
164 int entries
, struct mlx4_mtt
*mtt
);
166 #endif /* MLX4_CQ_H */