xref: /freebsd/sys/dev/qlnx/qlnxe/ecore_sp_commands.h (revision d6b92ffa)
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 
32 #ifndef __ECORE_SP_COMMANDS_H__
33 #define __ECORE_SP_COMMANDS_H__
34 
35 #include "ecore.h"
36 #include "ecore_spq.h"
37 #include "ecore_sp_api.h"
38 
39 #define ECORE_SP_EQ_COMPLETION  0x01
40 #define ECORE_SP_CQE_COMPLETION 0x02
41 
42 struct ecore_sp_init_data {
43 	/* The CID and FID aren't necessarily derived from hwfn,
44 	 * e.g., in IOV scenarios. CID might defer between SPQ and
45 	 * other elements.
46 	 */
47 	u32				cid;
48 	u16				opaque_fid;
49 
50 	/* Information regarding operation upon sending & completion */
51 	enum spq_mode			comp_mode;
52 	struct ecore_spq_comp_cb	*p_comp_data;
53 
54 };
55 
56 /**
57  * @brief Acquire and initialize and SPQ entry for a given ramrod.
58  *
59  * @param p_hwfn
60  * @param pp_ent - will be filled with a pointer to an entry upon success
61  * @param cmd - dependent upon protocol
62  * @param protocol
63  * @param p_data - various configuration required for ramrod
64  *
65  * @return ECORE_SUCCESS upon success, otherwise failure.
66  */
67 enum _ecore_status_t ecore_sp_init_request(struct ecore_hwfn *p_hwfn,
68 					   struct ecore_spq_entry **pp_ent,
69 					   u8 cmd,
70 					   u8 protocol,
71 					   struct ecore_sp_init_data *p_data);
72 
73 /**
74  * @brief ecore_sp_pf_start - PF Function Start Ramrod
75  *
76  * This ramrod is sent to initialize a physical function (PF). It will
77  * configure the function related parameters and write its completion to the
78  * event ring specified in the parameters.
79  *
80  * Ramrods complete on the common event ring for the PF. This ring is
81  * allocated by the driver on host memory and its parameters are written
82  * to the internal RAM of the UStorm by the Function Start Ramrod.
83  *
84  * @param p_hwfn
85  * @param p_ptt
86  * @param p_tunn - pf start tunneling configuration
87  * @param mode
88  * @param allow_npar_tx_switch - npar tx switching to be used
89  *	  for vports configured for tx-switching.
90  *
91  * @return enum _ecore_status_t
92  */
93 
94 enum _ecore_status_t ecore_sp_pf_start(struct ecore_hwfn *p_hwfn,
95 				       struct ecore_ptt *p_ptt,
96 				       struct ecore_tunnel_info *p_tunn,
97 				       enum ecore_mf_mode mode,
98 				       bool allow_npar_tx_switch);
99 
100 /**
101  * @brief ecore_sp_pf_update - PF Function Update Ramrod
102  *
103  * This ramrod updates function-related parameters. Every parameter can be
104  * updated independently, according to configuration flags.
105  *
106  * @note Final phase API.
107  *
108  * @param p_hwfn
109  *
110  * @return enum _ecore_status_t
111  */
112 
113 enum _ecore_status_t ecore_sp_pf_update_dcbx(struct ecore_hwfn *p_hwfn);
114 
115 /**
116  * @brief ecore_sp_pf_stop - PF Function Stop Ramrod
117  *
118  * This ramrod is sent to close a Physical Function (PF). It is the last ramrod
119  * sent and the last completion written to the PFs Event Ring. This ramrod also
120  * deletes the context for the Slowhwfn connection on this PF.
121  *
122  * @note Not required for first packet.
123  *
124  * @param p_hwfn
125  *
126  * @return enum _ecore_status_t
127  */
128 
129 enum _ecore_status_t ecore_sp_pf_stop(struct ecore_hwfn *p_hwfn);
130 
131 /**
132  * @brief ecore_sp_heartbeat_ramrod - Send empty Ramrod
133  *
134  * @param p_hwfn
135  *
136  * @return enum _ecore_status_t
137  */
138 
139 enum _ecore_status_t ecore_sp_heartbeat_ramrod(struct ecore_hwfn *p_hwfn);
140 
141 struct ecore_rl_update_params {
142 	u8 qcn_update_param_flg;
143 	u8 dcqcn_update_param_flg;
144 	u8 rl_init_flg;
145 	u8 rl_start_flg;
146 	u8 rl_stop_flg;
147 	u8 rl_id_first;
148 	u8 rl_id_last;
149 	u8 rl_dc_qcn_flg; /* If set, RL will used for DCQCN */
150 	u32 rl_bc_rate; /* Byte Counter Limit */
151 	u16 rl_max_rate; /* Maximum rate in 1.6 Mbps resolution */
152 	u16 rl_r_ai; /* Active increase rate */
153 	u16 rl_r_hai; /* Hyper active increase rate */
154 	u16 dcqcn_g; /* DCQCN Alpha update gain in 1/64K resolution */
155 	u32 dcqcn_k_us; /* DCQCN Alpha update interval */
156 	u32 dcqcn_timeuot_us;
157 	u32 qcn_timeuot_us;
158 };
159 
160 /**
161  * @brief ecore_sp_rl_update - Update rate limiters
162  *
163  * @param p_hwfn
164  * @param params
165  *
166  * @return enum _ecore_status_t
167  */
168 enum _ecore_status_t ecore_sp_rl_update(struct ecore_hwfn *p_hwfn,
169 					struct ecore_rl_update_params *params);
170 
171 /**
172  * @brief ecore_sp_pf_update_stag - PF STAG value update Ramrod
173  *
174  * @param p_hwfn
175  *
176  * @return enum _ecore_status_t
177  */
178 
179 enum _ecore_status_t ecore_sp_pf_update_stag(struct ecore_hwfn *p_hwfn);
180 
181 #endif /*__ECORE_SP_COMMANDS_H__*/
182