xref: /freebsd/sys/dev/ice/ice_sched.h (revision 8923de59054358980102ea5acda6c6dd58273957)
171d10453SEric Joyner /* SPDX-License-Identifier: BSD-3-Clause */
2*8923de59SPiotr Kubaj /*  Copyright (c) 2022, Intel Corporation
371d10453SEric Joyner  *  All rights reserved.
471d10453SEric Joyner  *
571d10453SEric Joyner  *  Redistribution and use in source and binary forms, with or without
671d10453SEric Joyner  *  modification, are permitted provided that the following conditions are met:
771d10453SEric Joyner  *
871d10453SEric Joyner  *   1. Redistributions of source code must retain the above copyright notice,
971d10453SEric Joyner  *      this list of conditions and the following disclaimer.
1071d10453SEric Joyner  *
1171d10453SEric Joyner  *   2. Redistributions in binary form must reproduce the above copyright
1271d10453SEric Joyner  *      notice, this list of conditions and the following disclaimer in the
1371d10453SEric Joyner  *      documentation and/or other materials provided with the distribution.
1471d10453SEric Joyner  *
1571d10453SEric Joyner  *   3. Neither the name of the Intel Corporation nor the names of its
1671d10453SEric Joyner  *      contributors may be used to endorse or promote products derived from
1771d10453SEric Joyner  *      this software without specific prior written permission.
1871d10453SEric Joyner  *
1971d10453SEric Joyner  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
2071d10453SEric Joyner  *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2171d10453SEric Joyner  *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2271d10453SEric Joyner  *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
2371d10453SEric Joyner  *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
2471d10453SEric Joyner  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
2571d10453SEric Joyner  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
2671d10453SEric Joyner  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
2771d10453SEric Joyner  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
2871d10453SEric Joyner  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
2971d10453SEric Joyner  *  POSSIBILITY OF SUCH DAMAGE.
3071d10453SEric Joyner  */
3171d10453SEric Joyner /*$FreeBSD$*/
3271d10453SEric Joyner 
3371d10453SEric Joyner #ifndef _ICE_SCHED_H_
3471d10453SEric Joyner #define _ICE_SCHED_H_
3571d10453SEric Joyner 
3671d10453SEric Joyner #include "ice_common.h"
3771d10453SEric Joyner 
38*8923de59SPiotr Kubaj #define ICE_SCHED_5_LAYERS	5
39*8923de59SPiotr Kubaj #define ICE_SCHED_9_LAYERS	9
40*8923de59SPiotr Kubaj 
4171d10453SEric Joyner #define ICE_QGRP_LAYER_OFFSET	2
4271d10453SEric Joyner #define ICE_VSI_LAYER_OFFSET	4
4371d10453SEric Joyner #define ICE_AGG_LAYER_OFFSET	6
4471d10453SEric Joyner #define ICE_SCHED_INVAL_LAYER_NUM	0xFF
4571d10453SEric Joyner /* Burst size is a 12 bits register that is configured while creating the RL
4671d10453SEric Joyner  * profile(s). MSB is a granularity bit and tells the granularity type
4771d10453SEric Joyner  * 0 - LSB bits are in 64 bytes granularity
4871d10453SEric Joyner  * 1 - LSB bits are in 1K bytes granularity
4971d10453SEric Joyner  */
5071d10453SEric Joyner #define ICE_64_BYTE_GRANULARITY			0
5171d10453SEric Joyner #define ICE_KBYTE_GRANULARITY			BIT(11)
5271d10453SEric Joyner #define ICE_MIN_BURST_SIZE_ALLOWED		64 /* In Bytes */
5371d10453SEric Joyner #define ICE_MAX_BURST_SIZE_ALLOWED \
5471d10453SEric Joyner 	((BIT(11) - 1) * 1024) /* In Bytes */
5571d10453SEric Joyner #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \
5671d10453SEric Joyner 	((BIT(11) - 1) * 64) /* In Bytes */
5771d10453SEric Joyner #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY	ICE_MAX_BURST_SIZE_ALLOWED
5871d10453SEric Joyner 
5971d10453SEric Joyner #define ICE_RL_PROF_ACCURACY_BYTES 128
6071d10453SEric Joyner #define ICE_RL_PROF_MULTIPLIER 10000
6171d10453SEric Joyner #define ICE_RL_PROF_TS_MULTIPLIER 32
6271d10453SEric Joyner #define ICE_RL_PROF_FRACTION 512
6371d10453SEric Joyner 
6471d10453SEric Joyner #define ICE_PSM_CLK_367MHZ_IN_HZ 367647059
6571d10453SEric Joyner #define ICE_PSM_CLK_416MHZ_IN_HZ 416666667
6671d10453SEric Joyner #define ICE_PSM_CLK_446MHZ_IN_HZ 446428571
6771d10453SEric Joyner #define ICE_PSM_CLK_390MHZ_IN_HZ 390625000
6871d10453SEric Joyner 
6971d10453SEric Joyner struct rl_profile_params {
7071d10453SEric Joyner 	u32 bw;			/* in Kbps */
7171d10453SEric Joyner 	u16 rl_multiplier;
7271d10453SEric Joyner 	u16 wake_up_calc;
7371d10453SEric Joyner 	u16 rl_encode;
7471d10453SEric Joyner };
7571d10453SEric Joyner 
7671d10453SEric Joyner /* BW rate limit profile parameters list entry along
7771d10453SEric Joyner  * with bandwidth maintained per layer in port info
7871d10453SEric Joyner  */
7971d10453SEric Joyner struct ice_aqc_rl_profile_info {
8071d10453SEric Joyner 	struct ice_aqc_rl_profile_elem profile;
8171d10453SEric Joyner 	struct LIST_ENTRY_TYPE list_entry;
8271d10453SEric Joyner 	u32 bw;			/* requested */
8371d10453SEric Joyner 	u16 prof_id_ref;	/* profile ID to node association ref count */
8471d10453SEric Joyner };
8571d10453SEric Joyner 
8671d10453SEric Joyner struct ice_sched_agg_vsi_info {
8771d10453SEric Joyner 	struct LIST_ENTRY_TYPE list_entry;
8871d10453SEric Joyner 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
8971d10453SEric Joyner 	u16 vsi_handle;
9071d10453SEric Joyner 	/* save aggregator VSI TC bitmap */
9171d10453SEric Joyner 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
9271d10453SEric Joyner };
9371d10453SEric Joyner 
9471d10453SEric Joyner struct ice_sched_agg_info {
9571d10453SEric Joyner 	struct LIST_HEAD_TYPE agg_vsi_list;
9671d10453SEric Joyner 	struct LIST_ENTRY_TYPE list_entry;
9771d10453SEric Joyner 	ice_declare_bitmap(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
9871d10453SEric Joyner 	u32 agg_id;
9971d10453SEric Joyner 	enum ice_agg_type agg_type;
10071d10453SEric Joyner 	/* bw_t_info saves aggregator BW information */
10171d10453SEric Joyner 	struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS];
10271d10453SEric Joyner 	/* save aggregator TC bitmap */
10371d10453SEric Joyner 	ice_declare_bitmap(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
10471d10453SEric Joyner };
10571d10453SEric Joyner 
10671d10453SEric Joyner /* FW AQ command calls */
10771d10453SEric Joyner enum ice_status
10871d10453SEric Joyner ice_aq_query_rl_profile(struct ice_hw *hw, u16 num_profiles,
1097d7af7f8SEric Joyner 			struct ice_aqc_rl_profile_elem *buf, u16 buf_size,
1107d7af7f8SEric Joyner 			struct ice_sq_cd *cd);
11171d10453SEric Joyner enum ice_status
112*8923de59SPiotr Kubaj ice_aq_cfg_node_attr(struct ice_hw *hw, u16 num_nodes,
113*8923de59SPiotr Kubaj 		     struct ice_aqc_node_attr_elem *buf, u16 buf_size,
114*8923de59SPiotr Kubaj 		     struct ice_sq_cd *cd);
115*8923de59SPiotr Kubaj enum ice_status
11671d10453SEric Joyner ice_aq_cfg_l2_node_cgd(struct ice_hw *hw, u16 num_nodes,
1177d7af7f8SEric Joyner 		       struct ice_aqc_cfg_l2_node_cgd_elem *buf, u16 buf_size,
11871d10453SEric Joyner 		       struct ice_sq_cd *cd);
11971d10453SEric Joyner enum ice_status
120*8923de59SPiotr Kubaj ice_aq_move_sched_elems(struct ice_hw *hw, u16 grps_req,
121*8923de59SPiotr Kubaj 			struct ice_aqc_move_elem *buf, u16 buf_size,
122*8923de59SPiotr Kubaj 			u16 *grps_movd, struct ice_sq_cd *cd);
123*8923de59SPiotr Kubaj enum ice_status
12471d10453SEric Joyner ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
1257d7af7f8SEric Joyner 			 struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
12671d10453SEric Joyner 			 u16 *elems_ret, struct ice_sq_cd *cd);
12771d10453SEric Joyner enum ice_status ice_sched_init_port(struct ice_port_info *pi);
12871d10453SEric Joyner enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
12971d10453SEric Joyner void ice_sched_get_psm_clk_freq(struct ice_hw *hw);
13071d10453SEric Joyner 
13171d10453SEric Joyner /* Functions to cleanup scheduler SW DB */
13271d10453SEric Joyner void ice_sched_clear_port(struct ice_port_info *pi);
13371d10453SEric Joyner void ice_sched_cleanup_all(struct ice_hw *hw);
13471d10453SEric Joyner void ice_sched_clear_agg(struct ice_hw *hw);
13571d10453SEric Joyner 
13671d10453SEric Joyner /* Get a scheduling node from SW DB for given TEID */
13771d10453SEric Joyner struct ice_sched_node *ice_sched_get_node(struct ice_port_info *pi, u32 teid);
13871d10453SEric Joyner struct ice_sched_node *
13971d10453SEric Joyner ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
14071d10453SEric Joyner /* Add a scheduling node into SW DB for given info */
14171d10453SEric Joyner enum ice_status
14271d10453SEric Joyner ice_sched_add_node(struct ice_port_info *pi, u8 layer,
14371d10453SEric Joyner 		   struct ice_aqc_txsched_elem_data *info);
14471d10453SEric Joyner void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
14571d10453SEric Joyner struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
14671d10453SEric Joyner struct ice_sched_node *
14771d10453SEric Joyner ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
14871d10453SEric Joyner 			   u8 owner);
14971d10453SEric Joyner enum ice_status
15071d10453SEric Joyner ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
15171d10453SEric Joyner 		  u8 owner, bool enable);
15271d10453SEric Joyner enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
1538a13362dSEric Joyner enum ice_status ice_rm_vsi_rdma_cfg(struct ice_port_info *pi, u16 vsi_handle);
15471d10453SEric Joyner struct ice_sched_node *
15571d10453SEric Joyner ice_sched_get_vsi_node(struct ice_port_info *pi, struct ice_sched_node *tc_node,
15671d10453SEric Joyner 		       u16 vsi_handle);
15771d10453SEric Joyner bool ice_sched_is_tree_balanced(struct ice_hw *hw, struct ice_sched_node *node);
15871d10453SEric Joyner enum ice_status
15971d10453SEric Joyner ice_aq_query_node_to_root(struct ice_hw *hw, u32 node_teid,
1607d7af7f8SEric Joyner 			  struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
16171d10453SEric Joyner 			  struct ice_sq_cd *cd);
16271d10453SEric Joyner 
16371d10453SEric Joyner /* Tx scheduler rate limiter functions */
16471d10453SEric Joyner enum ice_status
16571d10453SEric Joyner ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
16671d10453SEric Joyner 	    enum ice_agg_type agg_type, u8 tc_bitmap);
16771d10453SEric Joyner enum ice_status
16871d10453SEric Joyner ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
16971d10453SEric Joyner 		    u8 tc_bitmap);
17071d10453SEric Joyner enum ice_status ice_rm_agg_cfg(struct ice_port_info *pi, u32 agg_id);
17171d10453SEric Joyner enum ice_status
17271d10453SEric Joyner ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
17371d10453SEric Joyner 		 u16 q_handle, enum ice_rl_type rl_type, u32 bw);
17471d10453SEric Joyner enum ice_status
17571d10453SEric Joyner ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
17671d10453SEric Joyner 		      u16 q_handle, enum ice_rl_type rl_type);
17771d10453SEric Joyner enum ice_status
17871d10453SEric Joyner ice_cfg_tc_node_bw_lmt(struct ice_port_info *pi, u8 tc,
17971d10453SEric Joyner 		       enum ice_rl_type rl_type, u32 bw);
18071d10453SEric Joyner enum ice_status
18171d10453SEric Joyner ice_cfg_tc_node_bw_dflt_lmt(struct ice_port_info *pi, u8 tc,
18271d10453SEric Joyner 			    enum ice_rl_type rl_type);
18371d10453SEric Joyner enum ice_status
18471d10453SEric Joyner ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
18571d10453SEric Joyner 			  enum ice_rl_type rl_type, u32 bw);
18671d10453SEric Joyner enum ice_status
18771d10453SEric Joyner ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
18871d10453SEric Joyner 			       enum ice_rl_type rl_type);
18971d10453SEric Joyner enum ice_status
19071d10453SEric Joyner ice_cfg_agg_bw_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
19171d10453SEric Joyner 			  enum ice_rl_type rl_type, u32 bw);
19271d10453SEric Joyner enum ice_status
19371d10453SEric Joyner ice_cfg_agg_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
19471d10453SEric Joyner 			       enum ice_rl_type rl_type);
19571d10453SEric Joyner enum ice_status
196d08b8680SEric Joyner ice_cfg_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle, u32 min_bw,
197d08b8680SEric Joyner 			  u32 max_bw, u32 shared_bw);
19871d10453SEric Joyner enum ice_status
19971d10453SEric Joyner ice_cfg_vsi_bw_no_shared_lmt(struct ice_port_info *pi, u16 vsi_handle);
20071d10453SEric Joyner enum ice_status
201d08b8680SEric Joyner ice_cfg_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 min_bw,
202d08b8680SEric Joyner 			  u32 max_bw, u32 shared_bw);
20371d10453SEric Joyner enum ice_status
20471d10453SEric Joyner ice_cfg_agg_bw_no_shared_lmt(struct ice_port_info *pi, u32 agg_id);
20571d10453SEric Joyner enum ice_status
206d08b8680SEric Joyner ice_cfg_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id, u8 tc,
207d08b8680SEric Joyner 				 u32 min_bw, u32 max_bw, u32 shared_bw);
208d08b8680SEric Joyner enum ice_status
209d08b8680SEric Joyner ice_cfg_agg_bw_no_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
210d08b8680SEric Joyner 				    u8 tc);
211d08b8680SEric Joyner enum ice_status
21271d10453SEric Joyner ice_cfg_vsi_q_priority(struct ice_port_info *pi, u16 num_qs, u32 *q_ids,
21371d10453SEric Joyner 		       u8 *q_prio);
21471d10453SEric Joyner enum ice_status
21571d10453SEric Joyner ice_cfg_vsi_bw_alloc(struct ice_port_info *pi, u16 vsi_handle, u8 ena_tcmap,
21671d10453SEric Joyner 		     enum ice_rl_type rl_type, u8 *bw_alloc);
21771d10453SEric Joyner enum ice_status
21871d10453SEric Joyner ice_cfg_agg_vsi_priority_per_tc(struct ice_port_info *pi, u32 agg_id,
21971d10453SEric Joyner 				u16 num_vsis, u16 *vsi_handle_arr,
22071d10453SEric Joyner 				u8 *node_prio, u8 tc);
22171d10453SEric Joyner enum ice_status
22271d10453SEric Joyner ice_cfg_agg_bw_alloc(struct ice_port_info *pi, u32 agg_id, u8 ena_tcmap,
22371d10453SEric Joyner 		     enum ice_rl_type rl_type, u8 *bw_alloc);
22471d10453SEric Joyner bool
22571d10453SEric Joyner ice_sched_find_node_in_subtree(struct ice_hw *hw, struct ice_sched_node *base,
22671d10453SEric Joyner 			       struct ice_sched_node *node);
22771d10453SEric Joyner enum ice_status
22871d10453SEric Joyner ice_sched_set_agg_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle);
22971d10453SEric Joyner enum ice_status
23071d10453SEric Joyner ice_sched_set_node_bw_lmt_per_tc(struct ice_port_info *pi, u32 id,
23171d10453SEric Joyner 				 enum ice_agg_type agg_type, u8 tc,
23271d10453SEric Joyner 				 enum ice_rl_type rl_type, u32 bw);
23371d10453SEric Joyner enum ice_status
23471d10453SEric Joyner ice_sched_set_vsi_bw_shared_lmt(struct ice_port_info *pi, u16 vsi_handle,
235d08b8680SEric Joyner 				u32 min_bw, u32 max_bw, u32 shared_bw);
23671d10453SEric Joyner enum ice_status
237d08b8680SEric Joyner ice_sched_set_agg_bw_shared_lmt(struct ice_port_info *pi, u32 agg_id, u32 min_bw,
238d08b8680SEric Joyner 				u32 max_bw, u32 shared_bw);
239d08b8680SEric Joyner enum ice_status
240d08b8680SEric Joyner ice_sched_set_agg_bw_shared_lmt_per_tc(struct ice_port_info *pi, u32 agg_id,
241d08b8680SEric Joyner 				       u8 tc, u32 min_bw, u32 max_bw,
242d08b8680SEric Joyner 				       u32 shared_bw);
24371d10453SEric Joyner enum ice_status
24471d10453SEric Joyner ice_sched_cfg_sibl_node_prio(struct ice_port_info *pi,
24571d10453SEric Joyner 			     struct ice_sched_node *node, u8 priority);
24671d10453SEric Joyner enum ice_status
24771d10453SEric Joyner ice_cfg_tc_node_bw_alloc(struct ice_port_info *pi, u8 tc,
24871d10453SEric Joyner 			 enum ice_rl_type rl_type, u8 bw_alloc);
24971d10453SEric Joyner enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes);
250d08b8680SEric Joyner void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw);
251d08b8680SEric Joyner void ice_sched_replay_agg(struct ice_hw *hw);
252d08b8680SEric Joyner enum ice_status ice_sched_replay_tc_node_bw(struct ice_port_info *pi);
253d08b8680SEric Joyner enum ice_status ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle);
254d08b8680SEric Joyner enum ice_status ice_sched_replay_root_node_bw(struct ice_port_info *pi);
255d08b8680SEric Joyner enum ice_status
256d08b8680SEric Joyner ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx);
257d08b8680SEric Joyner 
25871d10453SEric Joyner #endif /* _ICE_SCHED_H_ */
259