xref: /freebsd/sys/dev/ice/ice_sched.h (revision 19fae0f66023a97a9b464b3beeeabb2081f575b3)
1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /*  Copyright (c) 2023, Intel Corporation
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 are met:
7  *
8  *   1. Redistributions of source code must retain the above copyright notice,
9  *      this list of conditions and the following disclaimer.
10  *
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  *   3. Neither the name of the Intel Corporation nor the names of its
16  *      contributors may be used to endorse or promote products derived from
17  *      this software without specific prior written permission.
18  *
19  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  *  POSSIBILITY OF SUCH DAMAGE.
30  */
31 /*$FreeBSD$*/
32 
33 #ifndef _ICE_SCHED_H_
34 #define _ICE_SCHED_H_
35 
36 #include "ice_common.h"
37 
38 #define ICE_SCHED_5_LAYERS	5
39 #define ICE_SCHED_9_LAYERS	9
40 
41 #define ICE_QGRP_LAYER_OFFSET	2
42 #define ICE_VSI_LAYER_OFFSET	4
43 #define ICE_AGG_LAYER_OFFSET	6
44 #define ICE_SCHED_INVAL_LAYER_NUM	0xFF
45 /* Burst size is a 12 bits register that is configured while creating the RL
46  * profile(s). MSB is a granularity bit and tells the granularity type
47  * 0 - LSB bits are in 64 bytes granularity
48  * 1 - LSB bits are in 1K bytes granularity
49  */
50 #define ICE_64_BYTE_GRANULARITY			0
51 #define ICE_KBYTE_GRANULARITY			BIT(11)
52 #define ICE_MIN_BURST_SIZE_ALLOWED		64 /* In Bytes */
53 #define ICE_MAX_BURST_SIZE_ALLOWED \
54 	((BIT(11) - 1) * 1024) /* In Bytes */
55 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \
56 	((BIT(11) - 1) * 64) /* In Bytes */
57 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY	ICE_MAX_BURST_SIZE_ALLOWED
58 
59 #define ICE_RL_PROF_ACCURACY_BYTES 128
60 #define ICE_RL_PROF_MULTIPLIER 10000
61 #define ICE_RL_PROF_TS_MULTIPLIER 32
62 #define ICE_RL_PROF_FRACTION 512
63 
64 #define ICE_PSM_CLK_367MHZ_IN_HZ 367647059
65 #define ICE_PSM_CLK_416MHZ_IN_HZ 416666667
66 #define ICE_PSM_CLK_446MHZ_IN_HZ 446428571
67 #define ICE_PSM_CLK_390MHZ_IN_HZ 390625000
68 
69 struct rl_profile_params {
70 	u32 bw;			/* in Kbps */
71 	u16 rl_multiplier;
72 	u16 wake_up_calc;
73 	u16 rl_encode;
74 };
75 
76 /* BW rate limit profile parameters list entry along
77  * with bandwidth maintained per layer in port info
78  */
79 struct ice_aqc_rl_profile_info {
80 	struct ice_aqc_rl_profile_elem profile;
81 	struct LIST_ENTRY_TYPE list_entry;
82 	u32 bw;			/* requested */
83 	u16 prof_id_ref;	/* profile ID to node association ref count */
84 };
85 
86 struct ice_sched_agg_vsi_info {
87 	struct LIST_ENTRY_TYPE list_entry;
88 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
89 	u16 vsi_handle;
90 	/* save aggregator VSI TC bitmap */
91 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
92 };
93 
94 struct ice_sched_agg_info {
95 	struct LIST_HEAD_TYPE agg_vsi_list;
96 	struct LIST_ENTRY_TYPE list_entry;
97 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
98 	u32 agg_id;
99 	enum ice_agg_type agg_type;
100 	/* bw_t_info saves aggregator BW information */
101 	struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS];
102 	/* save aggregator TC bitmap */
103 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
104 };
105 
106 /* FW AQ command calls */
107 enum ice_status
108 ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
109 			struct ice_aqc_rl_profile_elem *buf, u16 buf_size,
110 			struct ice_sq_cd *cd);
111 enum ice_status
112 ice_aq_cfg_node_attr(struct ice_hw *hw, u16 num_nodes,
113 		     struct ice_aqc_node_attr_elem *buf, u16 buf_size,
114 		     struct ice_sq_cd *cd);
115 enum ice_status
116 ice_aq_cfg_l2_node_cgd(struct ice_hw *hw, u16 num_nodes,
117 		       struct ice_aqc_cfg_l2_node_cgd_elem *buf, u16 buf_size,
118 		       struct ice_sq_cd *cd);
119 enum ice_status
120 ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
121 			struct ice_aqc_move_elem *buf, u16 buf_size,
122 			u16 *grps_movd, struct ice_sq_cd *cd);
123 enum ice_status
124 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
125 			 struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
126 			 u16 *elems_ret, struct ice_sq_cd *cd);
127 enum ice_status ice_sched_init_port(struct ice_port_info *pi);
128 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
129 void ice_sched_get_psm_clk_freq(struct ice_hw *hw);
130 
131 /* Functions to cleanup scheduler SW DB */
132 void ice_sched_clear_port(struct ice_port_info *pi);
133 void ice_sched_cleanup_all(struct ice_hw *hw);
134 void ice_sched_clear_agg(struct ice_hw *hw);
135 
136 /* Get a scheduling node from SW DB for given TEID */
137 struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid);
138 struct ice_sched_node *
139 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
140 /* Add a scheduling node into SW DB for given info */
141 enum ice_status
142 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
143 		   struct ice_aqc_txsched_elem_data *info);
144 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
145 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
146 struct ice_sched_node *
147 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
148 			   u8 owner);
149 enum ice_status
150 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
151 		  u8 owner, bool enable);
152 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
153 enum ice_status ice_rm_vsi_rdma_cfg(struct ice_port_info *pi, u16 vsi_handle);
154 struct ice_sched_node *
155 ice_sched_get_vsi_node(struct ice_port_info *pi, struct ice_sched_node *tc_node,
156 		       u16 vsi_handle);
157 bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
158 enum ice_status
159 ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
160 			  struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
161 			  struct ice_sq_cd *cd);
162 
163 /* Tx scheduler rate limiter functions */
164 enum ice_status
165 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
166 	    enum ice_agg_type agg_type, u8 tc_bitmap);
167 enum ice_status
168 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
169 		    u8 tc_bitmap);
170 enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
171 enum ice_status
172 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
173 		 u16 q_handle, enum ice_rl_type rl_type, u32 bw);
174 enum ice_status
175 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
176 		      u16 q_handle, enum ice_rl_type rl_type);
177 enum ice_status
178 ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
179 		       enum ice_rl_type rl_type, u32 bw);
180 enum ice_status
181 ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
182 			    enum ice_rl_type rl_type);
183 enum ice_status
184 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
185 			  enum ice_rl_type rl_type, u32 bw);
186 enum ice_status
187 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
188 			       enum ice_rl_type rl_type);
189 enum ice_status
190 ice_cfg_agg_bw_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
191 			  enum ice_rl_type rl_type, u32 bw);
192 enum ice_status
193 ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
194 			       enum ice_rl_type rl_type);
195 enum ice_status
196 ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 min_bw,
197 			  u32 max_bw, u32 shared_bw);
198 enum ice_status
199 ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
200 enum ice_status
201 ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 min_bw,
202 			  u32 max_bw, u32 shared_bw);
203 enum ice_status
204 ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
205 enum ice_status
206 ice_cfg_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
207 				 u32 min_bw, u32 max_bw, u32 shared_bw);
208 enum ice_status
209 ice_cfg_agg_bw_no_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
210 				    u8 tc);
211 enum ice_status
212 ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
213 		       u8 *q_prio);
214 enum ice_status
215 ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
216 		     enum ice_rl_type rl_type, u8 *bw_alloc);
217 enum ice_status
218 ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
219 				u16 num_vsis, u16 *vsi_handle_arr,
220 				u8 *node_prio, u8 tc);
221 enum ice_status
222 ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
223 		     enum ice_rl_type rl_type, u8 *bw_alloc);
224 bool
225 ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
226 			       struct ice_sched_node *node);
227 enum ice_status
228 ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
229 enum ice_status
230 ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
231 				 enum ice_agg_type agg_type, u8 tc,
232 				 enum ice_rl_type rl_type, u32 bw);
233 enum ice_status
234 ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
235 				u32 min_bw, u32 max_bw, u32 shared_bw);
236 enum ice_status
237 ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 min_bw,
238 				u32 max_bw, u32 shared_bw);
239 enum ice_status
240 ice_sched_set_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
241 				       u8 tc, u32 min_bw, u32 max_bw,
242 				       u32 shared_bw);
243 enum ice_status
244 ice_sched_cfg_sibl_node_prio(struct ice_port_info *pi,
245 			     struct ice_sched_node *node, u8 priority);
246 enum ice_status
247 ice_cfg_tc_node_bw_alloc(struct ice_port_info *pi, u8 tc,
248 			 enum ice_rl_type rl_type, u8 bw_alloc);
249 enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes);
250 void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw);
251 void ice_sched_replay_agg(struct ice_hw *hw);
252 enum ice_status ice_sched_replay_tc_node_bw(struct ice_port_info *pi);
253 enum ice_status ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle);
254 enum ice_status ice_sched_replay_root_node_bw(struct ice_port_info *pi);
255 enum ice_status
256 ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx);
257 
258 #endif /* _ICE_SCHED_H_ */
259