1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2001-2020 Intel Corporation 3 */ 4 5 #ifndef _I40E_LAN_HMC_H_ 6 #define _I40E_LAN_HMC_H_ 7 8 /* forward-declare the HW struct for the compiler */ 9 struct i40e_hw; 10 11 /* HMC element context information */ 12 13 /* Rx queue context data 14 * 15 * The sizes of the variables may be larger than needed due to crossing byte 16 * boundaries. If we do not have the width of the variable set to the correct 17 * size then we could end up shifting bits off the top of the variable when the 18 * variable is at the top of a byte and crosses over into the next byte. 19 */ 20 struct i40e_hmc_obj_rxq { 21 u16 head; 22 u16 cpuid; /* bigger than needed, see above for reason */ 23 u64 base; 24 u16 qlen; 25 #define I40E_RXQ_CTX_DBUFF_SHIFT 7 26 u16 dbuff; /* bigger than needed, see above for reason */ 27 #define I40E_RXQ_CTX_HBUFF_SHIFT 6 28 u16 hbuff; /* bigger than needed, see above for reason */ 29 u8 dtype; 30 u8 dsize; 31 u8 crcstrip; 32 u8 fc_ena; 33 u8 l2tsel; 34 u8 hsplit_0; 35 u8 hsplit_1; 36 u8 showiv; 37 u32 rxmax; /* bigger than needed, see above for reason */ 38 u8 tphrdesc_ena; 39 u8 tphwdesc_ena; 40 u8 tphdata_ena; 41 u8 tphhead_ena; 42 u16 lrxqthresh; /* bigger than needed, see above for reason */ 43 u8 prefena; /* NOTE: normally must be set to 1 at init */ 44 }; 45 46 /* Tx queue context data 47 * 48 * The sizes of the variables may be larger than needed due to crossing byte 49 * boundaries. If we do not have the width of the variable set to the correct 50 * size then we could end up shifting bits off the top of the variable when the 51 * variable is at the top of a byte and crosses over into the next byte. 52 */ 53 struct i40e_hmc_obj_txq { 54 u16 head; 55 u8 new_context; 56 u64 base; 57 u8 fc_ena; 58 u8 timesync_ena; 59 u8 fd_ena; 60 u8 alt_vlan_ena; 61 u16 thead_wb; 62 u8 cpuid; 63 u8 head_wb_ena; 64 u16 qlen; 65 u8 tphrdesc_ena; 66 u8 tphrpacket_ena; 67 u8 tphwdesc_ena; 68 u64 head_wb_addr; 69 u32 crc; 70 u16 rdylist; 71 u8 rdylist_act; 72 }; 73 74 /* for hsplit_0 field of Rx HMC context */ 75 enum i40e_hmc_obj_rx_hsplit_0 { 76 I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0, 77 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1, 78 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2, 79 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4, 80 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8, 81 }; 82 83 /* fcoe_cntx and fcoe_filt are for debugging purpose only */ 84 struct i40e_hmc_obj_fcoe_cntx { 85 u32 rsv[32]; 86 }; 87 88 struct i40e_hmc_obj_fcoe_filt { 89 u32 rsv[8]; 90 }; 91 92 /* Context sizes for LAN objects */ 93 enum i40e_hmc_lan_object_size { 94 I40E_HMC_LAN_OBJ_SZ_8 = 0x3, 95 I40E_HMC_LAN_OBJ_SZ_16 = 0x4, 96 I40E_HMC_LAN_OBJ_SZ_32 = 0x5, 97 I40E_HMC_LAN_OBJ_SZ_64 = 0x6, 98 I40E_HMC_LAN_OBJ_SZ_128 = 0x7, 99 I40E_HMC_LAN_OBJ_SZ_256 = 0x8, 100 I40E_HMC_LAN_OBJ_SZ_512 = 0x9, 101 }; 102 103 #define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512 104 #define I40E_HMC_OBJ_SIZE_TXQ 128 105 #define I40E_HMC_OBJ_SIZE_RXQ 32 106 #define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64 107 #define I40E_HMC_OBJ_SIZE_FCOE_FILT 64 108 109 enum i40e_hmc_lan_rsrc_type { 110 I40E_HMC_LAN_FULL = 0, 111 I40E_HMC_LAN_TX = 1, 112 I40E_HMC_LAN_RX = 2, 113 I40E_HMC_FCOE_CTX = 3, 114 I40E_HMC_FCOE_FILT = 4, 115 I40E_HMC_LAN_MAX = 5 116 }; 117 118 enum i40e_hmc_model { 119 I40E_HMC_MODEL_DIRECT_PREFERRED = 0, 120 I40E_HMC_MODEL_DIRECT_ONLY = 1, 121 I40E_HMC_MODEL_PAGED_ONLY = 2, 122 I40E_HMC_MODEL_UNKNOWN, 123 }; 124 125 struct i40e_hmc_lan_create_obj_info { 126 struct i40e_hmc_info *hmc_info; 127 u32 rsrc_type; 128 u32 start_idx; 129 u32 count; 130 enum i40e_sd_entry_type entry_type; 131 u64 direct_mode_sz; 132 }; 133 134 struct i40e_hmc_lan_delete_obj_info { 135 struct i40e_hmc_info *hmc_info; 136 u32 rsrc_type; 137 u32 start_idx; 138 u32 count; 139 }; 140 141 enum i40e_status_code i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num, 142 u32 rxq_num, u32 fcoe_cntx_num, 143 u32 fcoe_filt_num); 144 enum i40e_status_code i40e_configure_lan_hmc(struct i40e_hw *hw, 145 enum i40e_hmc_model model); 146 enum i40e_status_code i40e_shutdown_lan_hmc(struct i40e_hw *hw); 147 148 u64 i40e_calculate_l2fpm_size(u32 txq_num, u32 rxq_num, 149 u32 fcoe_cntx_num, u32 fcoe_filt_num); 150 enum i40e_status_code i40e_get_lan_tx_queue_context(struct i40e_hw *hw, 151 u16 queue, 152 struct i40e_hmc_obj_txq *s); 153 enum i40e_status_code i40e_clear_lan_tx_queue_context(struct i40e_hw *hw, 154 u16 queue); 155 enum i40e_status_code i40e_set_lan_tx_queue_context(struct i40e_hw *hw, 156 u16 queue, 157 struct i40e_hmc_obj_txq *s); 158 enum i40e_status_code i40e_get_lan_rx_queue_context(struct i40e_hw *hw, 159 u16 queue, 160 struct i40e_hmc_obj_rxq *s); 161 enum i40e_status_code i40e_clear_lan_rx_queue_context(struct i40e_hw *hw, 162 u16 queue); 163 enum i40e_status_code i40e_set_lan_rx_queue_context(struct i40e_hw *hw, 164 u16 queue, 165 struct i40e_hmc_obj_rxq *s); 166 enum i40e_status_code i40e_create_lan_hmc_object(struct i40e_hw *hw, 167 struct i40e_hmc_lan_create_obj_info *info); 168 enum i40e_status_code i40e_delete_lan_hmc_object(struct i40e_hw *hw, 169 struct i40e_hmc_lan_delete_obj_info *info); 170 171 #endif /* _I40E_LAN_HMC_H_ */ 172