treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / infiniband / hw / i40iw / i40iw_p.h
blob11d3a2a72100300cde2b252d008abbafafe0f966
1 /*******************************************************************************
3 * Copyright (c) 2015-2016 Intel Corporation. All rights reserved.
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenFabrics.org BSD license below:
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
33 *******************************************************************************/
35 #ifndef I40IW_P_H
36 #define I40IW_P_H
38 #define PAUSE_TIMER_VALUE 0xFFFF
39 #define REFRESH_THRESHOLD 0x7FFF
40 #define HIGH_THRESHOLD 0x800
41 #define LOW_THRESHOLD 0x200
42 #define ALL_TC2PFC 0xFF
43 #define CQP_COMPL_WAIT_TIME 0x3E8
44 #define CQP_TIMEOUT_THRESHOLD 5
46 void i40iw_debug_buf(struct i40iw_sc_dev *dev, enum i40iw_debug_flag mask,
47 char *desc, u64 *buf, u32 size);
48 /* init operations */
49 enum i40iw_status_code i40iw_device_init(struct i40iw_sc_dev *dev,
50 struct i40iw_device_init_info *info);
52 void i40iw_sc_cqp_post_sq(struct i40iw_sc_cqp *cqp);
54 u64 *i40iw_sc_cqp_get_next_send_wqe(struct i40iw_sc_cqp *cqp, u64 scratch);
56 void i40iw_check_cqp_progress(struct i40iw_cqp_timeout *cqp_timeout, struct i40iw_sc_dev *dev);
58 enum i40iw_status_code i40iw_sc_mr_fast_register(struct i40iw_sc_qp *qp,
59 struct i40iw_fast_reg_stag_info *info,
60 bool post_sq);
62 void i40iw_insert_wqe_hdr(u64 *wqe, u64 header);
64 /* HMC/FPM functions */
65 enum i40iw_status_code i40iw_sc_init_iw_hmc(struct i40iw_sc_dev *dev,
66 u8 hmc_fn_id);
68 enum i40iw_status_code i40iw_pf_init_vfhmc(struct i40iw_sc_dev *dev, u8 vf_hmc_fn_id,
69 u32 *vf_cnt_array);
71 /* stats functions */
72 void i40iw_hw_stats_refresh_all(struct i40iw_vsi_pestat *stats);
73 void i40iw_hw_stats_read_all(struct i40iw_vsi_pestat *stats, struct i40iw_dev_hw_stats *stats_values);
74 void i40iw_hw_stats_read_32(struct i40iw_vsi_pestat *stats,
75 enum i40iw_hw_stats_index_32b index,
76 u64 *value);
77 void i40iw_hw_stats_read_64(struct i40iw_vsi_pestat *stats,
78 enum i40iw_hw_stats_index_64b index,
79 u64 *value);
80 void i40iw_hw_stats_init(struct i40iw_vsi_pestat *stats, u8 index, bool is_pf);
82 /* vsi misc functions */
83 enum i40iw_status_code i40iw_vsi_stats_init(struct i40iw_sc_vsi *vsi, struct i40iw_vsi_stats_info *info);
84 void i40iw_vsi_stats_free(struct i40iw_sc_vsi *vsi);
85 void i40iw_sc_vsi_init(struct i40iw_sc_vsi *vsi, struct i40iw_vsi_init_info *info);
87 void i40iw_change_l2params(struct i40iw_sc_vsi *vsi, struct i40iw_l2params *l2params);
88 void i40iw_qp_add_qos(struct i40iw_sc_qp *qp);
89 void i40iw_qp_rem_qos(struct i40iw_sc_qp *qp);
90 void i40iw_terminate_send_fin(struct i40iw_sc_qp *qp);
92 void i40iw_terminate_connection(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info);
94 void i40iw_terminate_received(struct i40iw_sc_qp *qp, struct i40iw_aeqe_info *info);
96 enum i40iw_status_code i40iw_sc_suspend_qp(struct i40iw_sc_cqp *cqp,
97 struct i40iw_sc_qp *qp, u64 scratch);
99 enum i40iw_status_code i40iw_sc_resume_qp(struct i40iw_sc_cqp *cqp,
100 struct i40iw_sc_qp *qp, u64 scratch);
102 enum i40iw_status_code i40iw_sc_static_hmc_pages_allocated(struct i40iw_sc_cqp *cqp,
103 u64 scratch, u8 hmc_fn_id,
104 bool post_sq,
105 bool poll_registers);
107 enum i40iw_status_code i40iw_config_fpm_values(struct i40iw_sc_dev *dev, u32 qp_count);
109 void free_sd_mem(struct i40iw_sc_dev *dev);
111 enum i40iw_status_code i40iw_process_cqp_cmd(struct i40iw_sc_dev *dev,
112 struct cqp_commands_info *pcmdinfo);
114 enum i40iw_status_code i40iw_process_bh(struct i40iw_sc_dev *dev);
116 /* prototype for functions used for dynamic memory allocation */
117 enum i40iw_status_code i40iw_allocate_dma_mem(struct i40iw_hw *hw,
118 struct i40iw_dma_mem *mem, u64 size,
119 u32 alignment);
120 void i40iw_free_dma_mem(struct i40iw_hw *hw, struct i40iw_dma_mem *mem);
121 enum i40iw_status_code i40iw_allocate_virt_mem(struct i40iw_hw *hw,
122 struct i40iw_virt_mem *mem, u32 size);
123 enum i40iw_status_code i40iw_free_virt_mem(struct i40iw_hw *hw,
124 struct i40iw_virt_mem *mem);
125 u8 i40iw_get_encoded_wqe_size(u32 wqsize, bool cqpsq);
126 void i40iw_reinitialize_ieq(struct i40iw_sc_dev *dev);
128 #endif