1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2018, Intel Corporation. */
7 #include "ice_common.h"
9 #define ICE_QGRP_LAYER_OFFSET 2
10 #define ICE_VSI_LAYER_OFFSET 4
11 #define ICE_AGG_LAYER_OFFSET 6
12 #define ICE_SCHED_INVAL_LAYER_NUM 0xFF
13 /* Burst size is a 12 bits register that is configured while creating the RL
14 * profile(s). MSB is a granularity bit and tells the granularity type
15 * 0 - LSB bits are in 64 bytes granularity
16 * 1 - LSB bits are in 1K bytes granularity
18 #define ICE_64_BYTE_GRANULARITY 0
19 #define ICE_KBYTE_GRANULARITY BIT(11)
20 #define ICE_MIN_BURST_SIZE_ALLOWED 64 /* In Bytes */
21 #define ICE_MAX_BURST_SIZE_ALLOWED \
22 ((BIT(11) - 1) * 1024) /* In Bytes */
23 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \
24 ((BIT(11) - 1) * 64) /* In Bytes */
25 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY ICE_MAX_BURST_SIZE_ALLOWED
27 #define ICE_RL_PROF_ACCURACY_BYTES 128
28 #define ICE_RL_PROF_MULTIPLIER 10000
29 #define ICE_RL_PROF_TS_MULTIPLIER 32
30 #define ICE_RL_PROF_FRACTION 512
32 #define ICE_PSM_CLK_367MHZ_IN_HZ 367647059
33 #define ICE_PSM_CLK_416MHZ_IN_HZ 416666667
34 #define ICE_PSM_CLK_446MHZ_IN_HZ 446428571
35 #define ICE_PSM_CLK_390MHZ_IN_HZ 390625000
37 /* BW rate limit profile parameters list entry along
38 * with bandwidth maintained per layer in port info
40 struct ice_aqc_rl_profile_info {
41 struct ice_aqc_rl_profile_elem profile;
42 struct list_head list_entry;
43 u32 bw; /* requested */
44 u16 prof_id_ref; /* profile ID to node association ref count */
47 struct ice_sched_agg_vsi_info {
48 struct list_head list_entry;
49 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
51 /* save aggregator VSI TC bitmap */
52 DECLARE_BITMAP(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
55 struct ice_sched_agg_info {
56 struct list_head agg_vsi_list;
57 struct list_head list_entry;
58 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
60 enum ice_agg_type agg_type;
61 /* save aggregator TC bitmap */
62 DECLARE_BITMAP(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS);
65 /* FW AQ command calls */
67 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req,
68 struct ice_aqc_txsched_elem_data *buf, u16 buf_size,
69 u16 *elems_ret, struct ice_sq_cd *cd);
70 enum ice_status ice_sched_init_port(struct ice_port_info *pi);
71 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw);
72 void ice_sched_get_psm_clk_freq(struct ice_hw *hw);
74 void ice_sched_clear_port(struct ice_port_info *pi);
75 void ice_sched_cleanup_all(struct ice_hw *hw);
76 void ice_sched_clear_agg(struct ice_hw *hw);
78 struct ice_sched_node *
79 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid);
81 ice_sched_add_node(struct ice_port_info *pi, u8 layer,
82 struct ice_aqc_txsched_elem_data *info);
83 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node);
84 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc);
85 struct ice_sched_node *
86 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
89 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs,
90 u8 owner, bool enable);
91 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle);
93 /* Tx scheduler rate limiter functions */
95 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id,
96 enum ice_agg_type agg_type, u8 tc_bitmap);
98 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle,
101 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
102 u16 q_handle, enum ice_rl_type rl_type, u32 bw);
104 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
105 u16 q_handle, enum ice_rl_type rl_type);
107 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
108 enum ice_rl_type rl_type, u32 bw);
110 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc,
111 enum ice_rl_type rl_type);
112 enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes);
113 void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw);
114 void ice_sched_replay_agg(struct ice_hw *hw);
115 enum ice_status ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle);
117 ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx);
118 #endif /* _ICE_SCHED_H_ */