xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_sp_commands.h (revision 7cc42f6d)
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  * $FreeBSD$
28  *
29  */
30 
31 #ifndef __ECORE_SP_COMMANDS_H__
32 #define __ECORE_SP_COMMANDS_H__
33 
34 #include "ecore.h"
35 #include "ecore_spq.h"
36 #include "ecore_sp_api.h"
37 
38 #define ECORE_SP_EQ_COMPLETION  0x01
39 #define ECORE_SP_CQE_COMPLETION 0x02
40 
41 struct ecore_sp_init_data {
42 	/* The CID and FID aren't necessarily derived from hwfn,
43 	 * e.g., in IOV scenarios. CID might defer between SPQ and
44 	 * other elements.
45 	 */
46 	u32				cid;
47 	u16				opaque_fid;
48 
49 	/* Information regarding operation upon sending & completion */
50 	enum spq_mode			comp_mode;
51 	struct ecore_spq_comp_cb	*p_comp_data;
52 
53 };
54 
55 /**
56  * @brief Acquire and initialize and SPQ entry for a given ramrod.
57  *
58  * @param p_hwfn
59  * @param pp_ent - will be filled with a pointer to an entry upon success
60  * @param cmd - dependent upon protocol
61  * @param protocol
62  * @param p_data - various configuration required for ramrod
63  *
64  * @return ECORE_SUCCESS upon success, otherwise failure.
65  */
66 enum _ecore_status_t ecore_sp_init_request(struct ecore_hwfn *p_hwfn,
67 					   struct ecore_spq_entry **pp_ent,
68 					   u8 cmd,
69 					   u8 protocol,
70 					   struct ecore_sp_init_data *p_data);
71 
72 /**
73  * @brief ecore_sp_pf_start - PF Function Start Ramrod
74  *
75  * This ramrod is sent to initialize a physical function (PF). It will
76  * configure the function related parameters and write its completion to the
77  * event ring specified in the parameters.
78  *
79  * Ramrods complete on the common event ring for the PF. This ring is
80  * allocated by the driver on host memory and its parameters are written
81  * to the internal RAM of the UStorm by the Function Start Ramrod.
82  *
83  * @param p_hwfn
84  * @param p_ptt
85  * @param p_tunn - pf start tunneling configuration
86  * @param allow_npar_tx_switch - npar tx switching to be used
87  *	  for vports configured for tx-switching.
88  *
89  * @return enum _ecore_status_t
90  */
91 
92 enum _ecore_status_t ecore_sp_pf_start(struct ecore_hwfn *p_hwfn,
93 				       struct ecore_ptt *p_ptt,
94 				       struct ecore_tunnel_info *p_tunn,
95 				       bool allow_npar_tx_switch);
96 
97 /**
98  * @brief ecore_sp_pf_update - PF Function Update Ramrod
99  *
100  * This ramrod updates function-related parameters. Every parameter can be
101  * updated independently, according to configuration flags.
102  *
103  * @note Final phase API.
104  *
105  * @param p_hwfn
106  *
107  * @return enum _ecore_status_t
108  */
109 
110 enum _ecore_status_t ecore_sp_pf_update_dcbx(struct ecore_hwfn *p_hwfn);
111 
112 /**
113  * @brief ecore_sp_pf_stop - PF Function Stop Ramrod
114  *
115  * This ramrod is sent to close a Physical Function (PF). It is the last ramrod
116  * sent and the last completion written to the PFs Event Ring. This ramrod also
117  * deletes the context for the Slowhwfn connection on this PF.
118  *
119  * @note Not required for first packet.
120  *
121  * @param p_hwfn
122  *
123  * @return enum _ecore_status_t
124  */
125 
126 enum _ecore_status_t ecore_sp_pf_stop(struct ecore_hwfn *p_hwfn);
127 
128 /**
129  * @brief ecore_sp_heartbeat_ramrod - Send empty Ramrod
130  *
131  * @param p_hwfn
132  *
133  * @return enum _ecore_status_t
134  */
135 
136 enum _ecore_status_t ecore_sp_heartbeat_ramrod(struct ecore_hwfn *p_hwfn);
137 
138 struct ecore_rl_update_params {
139 	u8 qcn_update_param_flg;
140 	u8 dcqcn_update_param_flg;
141 	u8 rl_init_flg;
142 	u8 rl_start_flg;
143 	u8 rl_stop_flg;
144 	u8 rl_id_first;
145 	u8 rl_id_last;
146 	u8 rl_dc_qcn_flg; /* If set, RL will used for DCQCN */
147 	u32 rl_bc_rate; /* Byte Counter Limit */
148 	u32 rl_max_rate; /* Maximum rate in Mbps resolution */
149 	u32 rl_r_ai; /* Active increase rate */
150 	u32 rl_r_hai; /* Hyper active increase rate */
151 	u32 dcqcn_gd; /* DCQCN Alpha update gain */
152 	u32 dcqcn_k_us; /* DCQCN Alpha update interval */
153 	u32 dcqcn_timeuot_us;
154 	u32 qcn_timeuot_us;
155 };
156 
157 /**
158  * @brief ecore_sp_rl_update - Update rate limiters
159  *
160  * @param p_hwfn
161  * @param params
162  *
163  * @return enum _ecore_status_t
164  */
165 enum _ecore_status_t ecore_sp_rl_update(struct ecore_hwfn *p_hwfn,
166 					struct ecore_rl_update_params *params);
167 
168 /**
169  * @brief ecore_sp_pf_update_stag - PF STAG value update Ramrod
170  *
171  * @param p_hwfn
172  *
173  * @return enum _ecore_status_t
174  */
175 
176 enum _ecore_status_t ecore_sp_pf_update_stag(struct ecore_hwfn *p_hwfn);
177 
178 /**
179  * @brief ecore_sp_pf_update_ufp - PF ufp update Ramrod
180  *
181  * @param p_hwfn
182  *
183  * @return enum _ecore_status_t
184  */
185 enum _ecore_status_t ecore_sp_pf_update_ufp(struct ecore_hwfn *p_hwfn);
186 
187 #endif /*__ECORE_SP_COMMANDS_H__*/
188