xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_sp_commands.h (revision f126890a)
1 /*
2  * Copyright (c) 2017-2018 Cavium, Inc.
3  * All rights reserved.
4  *
5  *  Redistribution and use in source and binary forms, with or without
6  *  modification, are permitted provided that the following conditions
7  *  are met:
8  *
9  *  1. Redistributions of source code must retain the above copyright
10  *     notice, this list of conditions and the following disclaimer.
11  *  2. Redistributions in binary form must reproduce the above copyright
12  *     notice, this list of conditions and the following disclaimer in the
13  *     documentation and/or other materials provided with the distribution.
14  *
15  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25  *  POSSIBILITY OF SUCH DAMAGE.
26  *
27  */
28 
29 #ifndef __ECORE_SP_COMMANDS_H__
30 #define __ECORE_SP_COMMANDS_H__
31 
32 #include "ecore.h"
33 #include "ecore_spq.h"
34 #include "ecore_sp_api.h"
35 
36 #define ECORE_SP_EQ_COMPLETION  0x01
37 #define ECORE_SP_CQE_COMPLETION 0x02
38 
39 struct ecore_sp_init_data {
40 	/* The CID and FID aren't necessarily derived from hwfn,
41 	 * e.g., in IOV scenarios. CID might defer between SPQ and
42 	 * other elements.
43 	 */
44 	u32				cid;
45 	u16				opaque_fid;
46 
47 	/* Information regarding operation upon sending & completion */
48 	enum spq_mode			comp_mode;
49 	struct ecore_spq_comp_cb	*p_comp_data;
50 
51 };
52 
53 /**
54  * @brief Acquire and initialize and SPQ entry for a given ramrod.
55  *
56  * @param p_hwfn
57  * @param pp_ent - will be filled with a pointer to an entry upon success
58  * @param cmd - dependent upon protocol
59  * @param protocol
60  * @param p_data - various configuration required for ramrod
61  *
62  * @return ECORE_SUCCESS upon success, otherwise failure.
63  */
64 enum _ecore_status_t ecore_sp_init_request(struct ecore_hwfn *p_hwfn,
65 					   struct ecore_spq_entry **pp_ent,
66 					   u8 cmd,
67 					   u8 protocol,
68 					   struct ecore_sp_init_data *p_data);
69 
70 /**
71  * @brief ecore_sp_pf_start - PF Function Start Ramrod
72  *
73  * This ramrod is sent to initialize a physical function (PF). It will
74  * configure the function related parameters and write its completion to the
75  * event ring specified in the parameters.
76  *
77  * Ramrods complete on the common event ring for the PF. This ring is
78  * allocated by the driver on host memory and its parameters are written
79  * to the internal RAM of the UStorm by the Function Start Ramrod.
80  *
81  * @param p_hwfn
82  * @param p_ptt
83  * @param p_tunn - pf start tunneling configuration
84  * @param allow_npar_tx_switch - npar tx switching to be used
85  *	  for vports configured for tx-switching.
86  *
87  * @return enum _ecore_status_t
88  */
89 
90 enum _ecore_status_t ecore_sp_pf_start(struct ecore_hwfn *p_hwfn,
91 				       struct ecore_ptt *p_ptt,
92 				       struct ecore_tunnel_info *p_tunn,
93 				       bool allow_npar_tx_switch);
94 
95 /**
96  * @brief ecore_sp_pf_update - PF Function Update Ramrod
97  *
98  * This ramrod updates function-related parameters. Every parameter can be
99  * updated independently, according to configuration flags.
100  *
101  * @note Final phase API.
102  *
103  * @param p_hwfn
104  *
105  * @return enum _ecore_status_t
106  */
107 
108 enum _ecore_status_t ecore_sp_pf_update_dcbx(struct ecore_hwfn *p_hwfn);
109 
110 /**
111  * @brief ecore_sp_pf_stop - PF Function Stop Ramrod
112  *
113  * This ramrod is sent to close a Physical Function (PF). It is the last ramrod
114  * sent and the last completion written to the PFs Event Ring. This ramrod also
115  * deletes the context for the Slowhwfn connection on this PF.
116  *
117  * @note Not required for first packet.
118  *
119  * @param p_hwfn
120  *
121  * @return enum _ecore_status_t
122  */
123 
124 enum _ecore_status_t ecore_sp_pf_stop(struct ecore_hwfn *p_hwfn);
125 
126 /**
127  * @brief ecore_sp_heartbeat_ramrod - Send empty Ramrod
128  *
129  * @param p_hwfn
130  *
131  * @return enum _ecore_status_t
132  */
133 
134 enum _ecore_status_t ecore_sp_heartbeat_ramrod(struct ecore_hwfn *p_hwfn);
135 
136 struct ecore_rl_update_params {
137 	u8 qcn_update_param_flg;
138 	u8 dcqcn_update_param_flg;
139 	u8 rl_init_flg;
140 	u8 rl_start_flg;
141 	u8 rl_stop_flg;
142 	u8 rl_id_first;
143 	u8 rl_id_last;
144 	u8 rl_dc_qcn_flg; /* If set, RL will used for DCQCN */
145 	u32 rl_bc_rate; /* Byte Counter Limit */
146 	u32 rl_max_rate; /* Maximum rate in Mbps resolution */
147 	u32 rl_r_ai; /* Active increase rate */
148 	u32 rl_r_hai; /* Hyper active increase rate */
149 	u32 dcqcn_gd; /* DCQCN Alpha update gain */
150 	u32 dcqcn_k_us; /* DCQCN Alpha update interval */
151 	u32 dcqcn_timeuot_us;
152 	u32 qcn_timeuot_us;
153 };
154 
155 /**
156  * @brief ecore_sp_rl_update - Update rate limiters
157  *
158  * @param p_hwfn
159  * @param params
160  *
161  * @return enum _ecore_status_t
162  */
163 enum _ecore_status_t ecore_sp_rl_update(struct ecore_hwfn *p_hwfn,
164 					struct ecore_rl_update_params *params);
165 
166 /**
167  * @brief ecore_sp_pf_update_stag - PF STAG value update Ramrod
168  *
169  * @param p_hwfn
170  *
171  * @return enum _ecore_status_t
172  */
173 
174 enum _ecore_status_t ecore_sp_pf_update_stag(struct ecore_hwfn *p_hwfn);
175 
176 /**
177  * @brief ecore_sp_pf_update_ufp - PF ufp update Ramrod
178  *
179  * @param p_hwfn
180  *
181  * @return enum _ecore_status_t
182  */
183 enum _ecore_status_t ecore_sp_pf_update_ufp(struct ecore_hwfn *p_hwfn);
184 
185 #endif /*__ECORE_SP_COMMANDS_H__*/
186