summaryrefslogtreecommitdiffstats
path: root/drivers/net/ethernet/qlogic/qed/qed_cxt.h
blob: 8b010324268ad2b5b5313f6b8e62db226f7650e5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 *
 * 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 _QED_CXT_H
#define _QED_CXT_H

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/qed/qed_if.h>
#include "qed_hsi.h"
#include "qed.h"

struct qed_cxt_info {
	void			*p_cxt;
	u32			iid;
	enum protocol_type	type;
};

#define MAX_TID_BLOCKS                  512
struct qed_tid_mem {
	u32 tid_size;
	u32 num_tids_per_block;
	u32 waste;
	u8 *blocks[MAX_TID_BLOCKS];	/* 4K */
};

/**
 * @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type
 *
 * @param p_hwfn
 * @param type
 * @param p_cid
 *
 * @return int
 */
int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
			enum protocol_type type,
			u32 *p_cid);

/**
 * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid
 *
 *
 * @param p_hwfn
 * @param p_info in/out
 *
 * @return int
 */
int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn,
			 struct qed_cxt_info *p_info);

/**
 * @brief qed_cxt_get_tid_mem_info
 *
 * @param p_hwfn
 * @param p_info
 *
 * @return int
 */
int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
			     struct qed_tid_mem *p_info);

#define QED_CXT_ISCSI_TID_SEG	PROTOCOLID_ISCSI
#define QED_CXT_ROCE_TID_SEG	PROTOCOLID_ROCE
#define QED_CXT_FCOE_TID_SEG	PROTOCOLID_FCOE
enum qed_cxt_elem_type {
	QED_ELEM_CXT,
	QED_ELEM_SRQ,
	QED_ELEM_TASK
};

u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn,
				enum protocol_type type, u32 *vf_cid);

/**
 * @brief qed_cxt_set_pf_params - Set the PF params for cxt init
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_mngr_free
 *
 * @param p_hwfn
 */
void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map
 *
 * @param p_hwfn
 *
 * @return int
 */
int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_mngr_setup - Reset the acquired CIDs
 *
 * @param p_hwfn
 */
void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path.
 *
 *
 *
 * @param p_hwfn
 */
void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
 *
 *
 *
 * @param p_hwfn
 */
void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn);

/**
 * @brief qed_qm_init_pf - Initailze the QM PF phase, per path
 *
 * @param p_hwfn
 */

void qed_qm_init_pf(struct qed_hwfn *p_hwfn);

/**
 * @brief Reconfigures QM pf on the fly
 *
 * @param p_hwfn
 * @param p_ptt
 *
 * @return int
 */
int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);

/**
 * @brief qed_cxt_release - Release a cid
 *
 * @param p_hwfn
 * @param cid
 */
void qed_cxt_release_cid(struct qed_hwfn *p_hwfn,
			 u32 cid);
int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
			      enum qed_cxt_elem_type elem_type, u32 iid);
u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn,
				enum protocol_type type);
u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,
				enum protocol_type type);
int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto);

#define QED_CTX_WORKING_MEM 0
#define QED_CTX_FL_MEM 1
int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn,
			 u32 tid, u8 ctx_type, void **task_ctx);
#endif