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 ICE_QGRP_LAYER_OFFSET 2 10 #define ICE_VSI_LAYER_OFFSET 4 11 #define ICE_SCHED_INVAL_LAYER_NUM 0xFF 12 /* Burst size is a 12 bits register that is configured while creating the RL 13 * profile(s). MSB is a granularity bit and tells the granularity type 14 * 0 - LSB bits are in 64 bytes granularity 15 * 1 - LSB bits are in 1K bytes granularity 16 */ 17 #define ICE_64_BYTE_GRANULARITY 0 18 #define ICE_KBYTE_GRANULARITY BIT(11) 19 #define ICE_MIN_BURST_SIZE_ALLOWED 64 /* In Bytes */ 20 #define ICE_MAX_BURST_SIZE_ALLOWED \ 21 ((BIT(11) - 1) * 1024) /* In Bytes */ 22 #define ICE_MAX_BURST_SIZE_64_BYTE_GRANULARITY \ 23 ((BIT(11) - 1) * 64) /* In Bytes */ 24 #define ICE_MAX_BURST_SIZE_KBYTE_GRANULARITY ICE_MAX_BURST_SIZE_ALLOWED 25 26 #define ICE_RL_PROF_FREQUENCY 446000000 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 31 32 /* BW rate limit profile parameters list entry along 33 * with bandwidth maintained per layer in port info 34 */ 35 struct ice_aqc_rl_profile_info { 36 struct ice_aqc_rl_profile_elem profile; 37 struct list_head list_entry; 38 u32 bw; /* requested */ 39 u16 prof_id_ref; /* profile ID to node association ref count */ 40 }; 41 42 struct ice_sched_agg_vsi_info { 43 struct list_head list_entry; 44 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 45 u16 vsi_handle; 46 }; 47 48 struct ice_sched_agg_info { 49 struct list_head agg_vsi_list; 50 struct list_head list_entry; 51 DECLARE_BITMAP(tc_bitmap, ICE_MAX_TRAFFIC_CLASS); 52 u32 agg_id; 53 enum ice_agg_type agg_type; 54 }; 55 56 /* FW AQ command calls */ 57 enum ice_status 58 ice_aq_query_sched_elems(struct ice_hw *hw, u16 elems_req, 59 struct ice_aqc_get_elem *buf, u16 buf_size, 60 u16 *elems_ret, struct ice_sq_cd *cd); 61 enum ice_status ice_sched_init_port(struct ice_port_info *pi); 62 enum ice_status ice_sched_query_res_alloc(struct ice_hw *hw); 63 void ice_sched_clear_port(struct ice_port_info *pi); 64 void ice_sched_cleanup_all(struct ice_hw *hw); 65 void ice_sched_clear_agg(struct ice_hw *hw); 66 67 struct ice_sched_node * 68 ice_sched_find_node_by_teid(struct ice_sched_node *start_node, u32 teid); 69 enum ice_status 70 ice_sched_add_node(struct ice_port_info *pi, u8 layer, 71 struct ice_aqc_txsched_elem_data *info); 72 void ice_free_sched_node(struct ice_port_info *pi, struct ice_sched_node *node); 73 struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc); 74 struct ice_sched_node * 75 ice_sched_get_free_qparent(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 76 u8 owner); 77 enum ice_status 78 ice_sched_cfg_vsi(struct ice_port_info *pi, u16 vsi_handle, u8 tc, u16 maxqs, 79 u8 owner, bool enable); 80 enum ice_status ice_rm_vsi_lan_cfg(struct ice_port_info *pi, u16 vsi_handle); 81 enum ice_status 82 ice_cfg_q_bw_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 83 u16 q_handle, enum ice_rl_type rl_type, u32 bw); 84 enum ice_status 85 ice_cfg_q_bw_dflt_lmt(struct ice_port_info *pi, u16 vsi_handle, u8 tc, 86 u16 q_handle, enum ice_rl_type rl_type); 87 enum ice_status ice_cfg_rl_burst_size(struct ice_hw *hw, u32 bytes); 88 enum ice_status 89 ice_sched_replay_q_bw(struct ice_port_info *pi, struct ice_q_ctx *q_ctx); 90 #endif /* _ICE_SCHED_H_ */ 91