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;
52 __be32 timestamp_16_47;
67 __be16 timestamp_0_15;
75 u8 vendor_err_syndrome;
83 __be32 immed_rss_invalid;
98 MLX4_CQE_VLAN_PRESENT_MASK = 1 << 29,
99 MLX4_CQE_QPN_MASK = 0xffffff,
100 MLX4_CQE_VID_MASK = 0xfff,
104 MLX4_CQE_OWNER_MASK = 0x80,
105 MLX4_CQE_IS_SEND_MASK = 0x40,
106 MLX4_CQE_OPCODE_MASK = 0x1f
110 MLX4_CQE_SYNDROME_LOCAL_LENGTH_ERR = 0x01,
111 MLX4_CQE_SYNDROME_LOCAL_QP_OP_ERR = 0x02,
112 MLX4_CQE_SYNDROME_LOCAL_PROT_ERR = 0x04,
113 MLX4_CQE_SYNDROME_WR_FLUSH_ERR = 0x05,
114 MLX4_CQE_SYNDROME_MW_BIND_ERR = 0x06,
115 MLX4_CQE_SYNDROME_BAD_RESP_ERR = 0x10,
116 MLX4_CQE_SYNDROME_LOCAL_ACCESS_ERR = 0x11,
117 MLX4_CQE_SYNDROME_REMOTE_INVAL_REQ_ERR = 0x12,
118 MLX4_CQE_SYNDROME_REMOTE_ACCESS_ERR = 0x13,
119 MLX4_CQE_SYNDROME_REMOTE_OP_ERR = 0x14,
120 MLX4_CQE_SYNDROME_TRANSPORT_RETRY_EXC_ERR = 0x15,
121 MLX4_CQE_SYNDROME_RNR_RETRY_EXC_ERR = 0x16,
122 MLX4_CQE_SYNDROME_REMOTE_ABORTED_ERR = 0x22,
126 MLX4_CQE_STATUS_IPV4 = 1 << 6,
127 MLX4_CQE_STATUS_IPV4F = 1 << 7,
128 MLX4_CQE_STATUS_IPV6 = 1 << 8,
129 MLX4_CQE_STATUS_IPV4OPT = 1 << 9,
130 MLX4_CQE_STATUS_TCP = 1 << 10,
131 MLX4_CQE_STATUS_UDP = 1 << 11,
132 MLX4_CQE_STATUS_IPOK = 1 << 12,
137 MLX4_CQE_SNAP = 1 << 1,
138 MLX4_CQE_BAD_FCS = 1 << 4,
141 static inline void mlx4_cq_arm(struct mlx4_cq *cq, u32 cmd,
142 void __iomem *uar_page,
143 spinlock_t *doorbell_lock)
150 ci = cq->cons_index & 0xffffff;
152 *cq->arm_db = cpu_to_be32(sn << 28 | cmd | ci);
155 * Make sure that the doorbell record in host memory is
156 * written before ringing the doorbell via PCI MMIO.
160 doorbell[0] = cpu_to_be32(sn << 28 | cmd | cq->cqn);
161 doorbell[1] = cpu_to_be32(ci);
163 mlx4_write64(doorbell, uar_page + MLX4_CQ_DOORBELL, doorbell_lock);
166 static inline void mlx4_cq_set_ci(struct mlx4_cq *cq)
168 *cq->set_ci_db = cpu_to_be32(cq->cons_index & 0xffffff);
172 MLX4_CQ_DB_REQ_NOT_SOL = 1 << 24,
173 MLX4_CQ_DB_REQ_NOT = 2 << 24
176 int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
177 u16 count, u16 period);
178 int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
179 int entries, struct mlx4_mtt *mtt);
180 int mlx4_cq_ignore_overrun(struct mlx4_dev *dev, struct mlx4_cq *cq);
181 #endif /* MLX4_CQ_H */