xref: /freebsd/sys/dev/ice/ice_sched.h (revision 4b9d6057)
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 
32 #ifndef _ICE_SCHED_H_
33 #define _ICE_SCHED_H_
34 
35 #include "ice_common.h"
36 
37 #define SCHED_NODE_NAME_MAX_LEN 32
38 
39 #define ICE_SCHED_5_LAYERS	5
40 #define ICE_SCHED_9_LAYERS	9
41 
42 #define ICE_QGRP_LAYER_OFFSET	2
43 #define ICE_VSI_LAYER_OFFSET	4
44 #define ICE_AGG_LAYER_OFFSET	6
45 #define ICE_SCHED_INVAL_LAYER_NUM	0xFF
46 /* Burst size is a 12 bits register that is configured while creating the RL
47  * profile(s). MSB is a granularity bit and tells the granularity type
48  * 0 - LSB bits are in 64 bytes granularity
49  * 1 - LSB bits are in 1K bytes granularity
50  */
51 #define ICE_64_BYTE_GRANULARITY			0
52 #define ICE_KBYTE_GRANULARITY			BIT(11)
53 #define ICE_MIN_BURST_SIZE_ALLOWED		64 /* In Bytes */
54 #define ICE_MAX_BURST_SIZE_ALLOWED \
55 	((BIT(11) - 1) * 1024) /* In Bytes */
56 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \
57 	((BIT(11) - 1) * 64) /* In Bytes */
58 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY	ICE_MAX_BURST_SIZE_ALLOWED
59 
60 #define ICE_RL_PROF_ACCURACY_BYTES 128
61 #define ICE_RL_PROF_MULTIPLIER 10000
62 #define ICE_RL_PROF_TS_MULTIPLIER 32
63 #define ICE_RL_PROF_FRACTION 512
64 
65 #define ICE_PSM_CLK_367MHZ_IN_HZ 367647059
66 #define ICE_PSM_CLK_416MHZ_IN_HZ 416666667
67 #define ICE_PSM_CLK_446MHZ_IN_HZ 446428571
68 #define ICE_PSM_CLK_390MHZ_IN_HZ 390625000
69 
70 #define PSM_CLK_SRC_367_MHZ 0x0
71 #define PSM_CLK_SRC_416_MHZ 0x1
72 #define PSM_CLK_SRC_446_MHZ 0x2
73 #define PSM_CLK_SRC_390_MHZ 0x3
74 
75 struct rl_profile_params {
76 	u32 bw;			/* in Kbps */
77 	u16 rl_multiplier;
78 	u16 wake_up_calc;
79 	u16 rl_encode;
80 };
81 
82 /* BW rate limit profile parameters list entry along
83  * with bandwidth maintained per layer in port info
84  */
85 struct ice_aqc_rl_profile_info {
86 	struct ice_aqc_rl_profile_elem profile;
87 	struct LIST_ENTRY_TYPE list_entry;
88 	u32 bw;			/* requested */
89 	u16 prof_id_ref;	/* profile ID to node association ref count */
90 };
91 
92 struct ice_sched_agg_vsi_info {
93 	struct LIST_ENTRY_TYPE list_entry;
94 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
95 	u16 vsi_handle;
96 	/* save aggregator VSI TC bitmap */
97 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
98 };
99 
100 struct ice_sched_agg_info {
101 	struct LIST_HEAD_TYPE agg_vsi_list;
102 	struct LIST_ENTRY_TYPE list_entry;
103 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
104 	u32 agg_id;
105 	enum ice_agg_type agg_type;
106 	/* bw_t_info saves aggregator BW information */
107 	struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS];
108 	/* save aggregator TC bitmap */
109 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
110 };
111 
112 /* FW AQ command calls */
113 enum ice_status
114 ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
115 			struct ice_aqc_rl_profile_elem *buf, u16 buf_size,
116 			struct ice_sq_cd *cd);
117 enum ice_status
118 ice_aq_cfg_node_attr(struct ice_hw *hw, u16 num_nodes,
119 		     struct ice_aqc_node_attr_elem *buf, u16 buf_size,
120 		     struct ice_sq_cd *cd);
121 enum ice_status
122 ice_aq_cfg_l2_node_cgd(struct ice_hw *hw, u16 num_nodes,
123 		       struct ice_aqc_cfg_l2_node_cgd_elem *buf, u16 buf_size,
124 		       struct ice_sq_cd *cd);
125 enum ice_status
126 ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
127 			struct ice_aqc_move_elem *buf, u16 buf_size,
128 			u16 *grps_movd, struct ice_sq_cd *cd);
129 enum ice_status
130 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
131 			 struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
132 			 u16 *elems_ret, struct ice_sq_cd *cd);
133 
134 enum ice_status
135 ice_sched_set_node_bw_lmt(struct ice_port_info *pi, struct ice_sched_node *node,
136 			  enum ice_rl_type rl_type, u32 bw);
137 
138 enum ice_status
139 ice_sched_set_node_bw(struct ice_port_info *pi, struct ice_sched_node *node,
140 		      enum ice_rl_type rl_type, u32 bw, u8 layer_num);
141 
142 enum ice_status
143 ice_sched_add_elems(struct ice_port_info *pi, struct ice_sched_node *tc_node,
144 		    struct ice_sched_node *parent, u8 layer, u16 num_nodes,
145 		    u16 *num_nodes_added, u32 *first_node_teid,
146 		    struct ice_sched_node **prealloc_node);
147 
148 enum ice_status
149 ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent,
150 		     u16 num_items, u32 *list);
151 
152 enum ice_status
153 ice_sched_set_node_priority(struct ice_port_info *pi, struct ice_sched_node *node,
154 			    u16 priority);
155 enum ice_status
156 ice_sched_set_node_weight(struct ice_port_info *pi, struct ice_sched_node *node,
157 			  u16 weight);
158 
159 enum ice_status ice_sched_init_port(struct ice_port_info *pi);
160 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
161 void ice_sched_get_psm_clk_freq(struct ice_hw *hw);
162 
163 /* Functions to cleanup scheduler SW DB */
164 void ice_sched_clear_port(struct ice_port_info *pi);
165 void ice_sched_cleanup_all(struct ice_hw *hw);
166 void ice_sched_clear_agg(struct ice_hw *hw);
167 
168 /* Get a scheduling node from SW DB for given TEID */
169 struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid);
170 struct ice_sched_node *
171 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
172 /* Add a scheduling node into SW DB for given info */
173 enum ice_status
174 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
175 		   struct ice_aqc_txsched_elem_data *info,
176 		   struct ice_sched_node *prealloc_node);
177 void
178 ice_sched_update_parent(struct ice_sched_node *new_parent,
179 			struct ice_sched_node *node);
180 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
181 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
182 struct ice_sched_node *
183 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
184 			   u8 owner);
185 enum ice_status
186 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
187 		  u8 owner, bool enable);
188 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
189 enum ice_status ice_rm_vsi_rdma_cfg(struct ice_port_info *pi, u16 vsi_handle);
190 struct ice_sched_node *
191 ice_sched_get_vsi_node(struct ice_port_info *pi, struct ice_sched_node *tc_node,
192 		       u16 vsi_handle);
193 bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
194 enum ice_status
195 ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
196 			  struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
197 			  struct ice_sq_cd *cd);
198 
199 /* Tx scheduler rate limiter functions */
200 enum ice_status
201 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
202 	    enum ice_agg_type agg_type, u8 tc_bitmap);
203 enum ice_status
204 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
205 		    u8 tc_bitmap);
206 enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
207 enum ice_status
208 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
209 		 u16 q_handle, enum ice_rl_type rl_type, u32 bw);
210 enum ice_status
211 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
212 		      u16 q_handle, enum ice_rl_type rl_type);
213 enum ice_status
214 ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
215 		       enum ice_rl_type rl_type, u32 bw);
216 enum ice_status
217 ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
218 			    enum ice_rl_type rl_type);
219 enum ice_status
220 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
221 			  enum ice_rl_type rl_type, u32 bw);
222 enum ice_status
223 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
224 			       enum ice_rl_type rl_type);
225 enum ice_status
226 ice_cfg_agg_bw_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
227 			  enum ice_rl_type rl_type, u32 bw);
228 enum ice_status
229 ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
230 			       enum ice_rl_type rl_type);
231 enum ice_status
232 ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 min_bw,
233 			  u32 max_bw, u32 shared_bw);
234 enum ice_status
235 ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
236 enum ice_status
237 ice_cfg_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_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
241 enum ice_status
242 ice_cfg_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
243 				 u32 min_bw, u32 max_bw, u32 shared_bw);
244 enum ice_status
245 ice_cfg_agg_bw_no_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
246 				    u8 tc);
247 enum ice_status
248 ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
249 		       u8 *q_prio);
250 enum ice_status
251 ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
252 		     enum ice_rl_type rl_type, u8 *bw_alloc);
253 enum ice_status
254 ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
255 				u16 num_vsis, u16 *vsi_handle_arr,
256 				u8 *node_prio, u8 tc);
257 enum ice_status
258 ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
259 		     enum ice_rl_type rl_type, u8 *bw_alloc);
260 bool
261 ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
262 			       struct ice_sched_node *node);
263 enum ice_status
264 ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
265 enum ice_status
266 ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
267 				 enum ice_agg_type agg_type, u8 tc,
268 				 enum ice_rl_type rl_type, u32 bw);
269 enum ice_status
270 ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
271 				u32 min_bw, u32 max_bw, u32 shared_bw);
272 enum ice_status
273 ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 min_bw,
274 				u32 max_bw, u32 shared_bw);
275 enum ice_status
276 ice_sched_set_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
277 				       u8 tc, u32 min_bw, u32 max_bw,
278 				       u32 shared_bw);
279 enum ice_status
280 ice_sched_cfg_sibl_node_prio(struct ice_port_info *pi,
281 			     struct ice_sched_node *node, u8 priority);
282 enum ice_status
283 ice_cfg_tc_node_bw_alloc(struct ice_port_info *pi, u8 tc,
284 			 enum ice_rl_type rl_type, u8 bw_alloc);
285 enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes);
286 void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw);
287 void ice_sched_replay_agg(struct ice_hw *hw);
288 enum ice_status ice_sched_replay_tc_node_bw(struct ice_port_info *pi);
289 enum ice_status ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle);
290 enum ice_status ice_sched_replay_root_node_bw(struct ice_port_info *pi);
291 enum ice_status ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx);
292 
293 #endif /* _ICE_SCHED_H_ */
294