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