1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_SCHED_H_ 5 #define _ICE_SCHED_H_ 6 7 #include "ice_common.h" 8 9 /** 10 * DOC: ice_sched.h 11 * 12 * This header file stores everything that is needed for broadly understood 13 * scheduler. It consists of defines related to layers, structures related to 14 * aggregator, functions declarations and others. 15 */ 16 17 #define ICE_SCHED_5_LAYERS 5 18 #define ICE_SCHED_9_LAYERS 9 19 20 #define SCHED_NODE_NAME_MAX_LEN 32 21 22 #define ICE_QGRP_LAYER_OFFSET 2 23 #define ICE_VSI_LAYER_OFFSET 4 24 #define ICE_AGG_LAYER_OFFSET 6 25 #define ICE_SCHED_INVAL_LAYER_NUM 0xFF 26 /* Burst size is a 12 bits register that is configured while creating the RL 27 * profile(s). MSB is a granularity bit and tells the granularity type 28 * 0 - LSB bits are in 64 bytes granularity 29 * 1 - LSB bits are in 1K bytes granularity 30 */ 31 #define ICE_64_BYTE_GRANULARITY 0 32 #define ICE_KBYTE_GRANULARITY BIT(11) 33 #define ICE_MIN_BURST_SIZE_ALLOWED 64 /* In Bytes */ 34 #define ICE_MAX_BURST_SIZE_ALLOWED \ 35 ((BIT(11) - 1) * 1024) /* In Bytes */ 36 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \ 37 ((BIT(11) - 1) * 64) /* In Bytes */ 38 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY ICE_MAX_BURST_SIZE_ALLOWED 39 40 #define ICE_RL_PROF_ACCURACY_BYTES 128 41 #define ICE_RL_PROF_MULTIPLIER 10000 42 #define ICE_RL_PROF_TS_MULTIPLIER 32 43 #define ICE_RL_PROF_FRACTION 512 44 45 #define ICE_PSM_CLK_367MHZ_IN_HZ 367647059 46 #define ICE_PSM_CLK_416MHZ_IN_HZ 416666667 47 #define ICE_PSM_CLK_446MHZ_IN_HZ 446428571 48 #define ICE_PSM_CLK_390MHZ_IN_HZ 390625000 49 50 /* BW rate limit profile parameters list entry along 51 * with bandwidth maintained per layer in port info 52 */ 53 struct ice_aqc_rl_profile_info { 54 struct ice_aqc_rl_profile_elem profile; 55 struct list_head list_entry; 56 u32 bw; /* requested */ 57 u16 prof_id_ref; /* profile ID to node association ref count */ 58 }; 59 60 struct ice_sched_agg_vsi_info { 61 struct list_head list_entry; 62 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 63 u16 vsi_handle; 64 /* save aggregator VSI TC bitmap */ 65 DECLARE_BITMAP(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 66 }; 67 68 struct ice_sched_agg_info { 69 struct list_head agg_vsi_list; 70 struct list_head list_entry; 71 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 72 u32 agg_id; 73 enum ice_agg_type agg_type; 74 /* bw_t_info saves aggregator BW information */ 75 struct ice_bw_type_info bw_t_info[ICE_MAX_TRAFFIC_CLASS]; 76 /* save aggregator TC bitmap */ 77 DECLARE_BITMAP(replay_tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 78 }; 79 80 /* FW AQ command calls */ 81 int 82 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req, 83 struct ice_aqc_txsched_elem_data *buf, u16 buf_size, 84 u16 *elems_ret, struct ice_sq_cd *cd); 85 86 int 87 ice_sched_set_node_bw_lmt(struct ice_port_info *pi, struct ice_sched_node *node, 88 enum ice_rl_type rl_type, u32 bw); 89 90 int 91 ice_sched_set_node_bw(struct ice_port_info *pi, struct ice_sched_node *node, 92 enum ice_rl_type rl_type, u32 bw, u8 layer_num); 93 94 int 95 ice_sched_add_elems(struct ice_port_info *pi, struct ice_sched_node *tc_node, 96 struct ice_sched_node *parent, u8 layer, u16 num_nodes, 97 u16 *num_nodes_added, u32 *first_node_teid, 98 struct ice_sched_node **prealloc_node); 99 100 int 101 ice_sched_move_nodes(struct ice_port_info *pi, struct ice_sched_node *parent, 102 u16 num_items, u32 *list); 103 104 int ice_sched_set_node_priority(struct ice_port_info *pi, struct ice_sched_node *node, 105 u16 priority); 106 int ice_sched_set_node_weight(struct ice_port_info *pi, struct ice_sched_node *node, u16 weight); 107 108 int ice_sched_init_port(struct ice_port_info *pi); 109 int ice_sched_query_res_alloc(struct ice_hw *hw); 110 void ice_sched_get_psm_clk_freq(struct ice_hw *hw); 111 112 void ice_sched_clear_port(struct ice_port_info *pi); 113 void ice_sched_cleanup_all(struct ice_hw *hw); 114 void ice_sched_clear_agg(struct ice_hw *hw); 115 116 struct ice_sched_node * 117 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid); 118 int 119 ice_sched_add_node(struct ice_port_info *pi, u8 layer, 120 struct ice_aqc_txsched_elem_data *info, 121 struct ice_sched_node *prealloc_node); 122 void 123 ice_sched_update_parent(struct ice_sched_node *new_parent, 124 struct ice_sched_node *node); 125 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node); 126 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc); 127 struct ice_sched_node * 128 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 129 u8 owner); 130 int 131 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs, 132 u8 owner, bool enable); 133 int ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle); 134 int ice_rm_vsi_rdma_cfg(struct ice_port_info *pi, u16 vsi_handle); 135 136 /* Tx scheduler rate limiter functions */ 137 int 138 ice_cfg_agg(struct ice_port_info *pi, u32 agg_id, 139 enum ice_agg_type agg_type, u8 tc_bitmap); 140 int 141 ice_move_vsi_to_agg(struct ice_port_info *pi, u32 agg_id, u16 vsi_handle, 142 u8 tc_bitmap); 143 int 144 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 145 u16 q_handle, enum ice_rl_type rl_type, u32 bw); 146 int 147 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 148 u16 q_handle, enum ice_rl_type rl_type); 149 int 150 ice_cfg_vsi_bw_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 151 enum ice_rl_type rl_type, u32 bw); 152 int 153 ice_cfg_vsi_bw_dflt_lmt_per_tc(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 154 enum ice_rl_type rl_type); 155 int ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes); 156 int 157 ice_sched_suspend_resume_elems(struct ice_hw *hw, u8 num_nodes, u32 *node_teids, 158 bool suspend); 159 struct ice_sched_node * 160 ice_sched_get_agg_node(struct ice_port_info *pi, struct ice_sched_node *tc_node, 161 u32 agg_id); 162 u8 ice_sched_get_agg_layer(struct ice_hw *hw); 163 u8 ice_sched_get_vsi_layer(struct ice_hw *hw); 164 struct ice_sched_node * 165 ice_sched_get_free_vsi_parent(struct ice_hw *hw, struct ice_sched_node *node, 166 u16 *num_nodes); 167 int 168 ice_sched_add_nodes_to_layer(struct ice_port_info *pi, 169 struct ice_sched_node *tc_node, 170 struct ice_sched_node *parent, u8 layer, 171 u16 num_nodes, u32 *first_node_teid, 172 u16 *num_nodes_added); 173 void ice_sched_replay_agg_vsi_preinit(struct ice_hw *hw); 174 void ice_sched_replay_agg(struct ice_hw *hw); 175 int ice_aq_move_sched_elems(struct ice_hw *hw, struct ice_aqc_move_elem *buf, 176 u16 buf_size, u16 *grps_movd); 177 int ice_replay_vsi_agg(struct ice_hw *hw, u16 vsi_handle); 178 int ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx); 179 #endif /* _ICE_SCHED_H_ */ 180