1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 2013 - 2018 Intel Corporation. */ 3 4 #ifndef _I40E_LAN_HMC_H_ 5 #define _I40E_LAN_HMC_H_ 6 7 #include "i40e_hmc.h" 8 9 /* forward-declare the HW struct for the compiler */ 10 struct i40e_hw; 11 12 /* HMC element context information */ 13 14 /* Rx queue context data 15 * 16 * The sizes of the variables may be larger than needed due to crossing byte 17 * boundaries. If we do not have the width of the variable set to the correct 18 * size then we could end up shifting bits off the top of the variable when the 19 * variable is at the top of a byte and crosses over into the next byte. 20 */ 21 struct i40e_hmc_obj_rxq { 22 u16 head; 23 u16 cpuid; /* bigger than needed, see above for reason */ 24 u64 base; 25 u16 qlen; 26 #define I40E_RXQ_CTX_DBUFF_SHIFT 7 27 u16 dbuff; /* bigger than needed, see above for reason */ 28 #define I40E_RXQ_CTX_HBUFF_SHIFT 6 29 u16 hbuff; /* bigger than needed, see above for reason */ 30 u8 dtype; 31 u8 dsize; 32 u8 crcstrip; 33 u8 fc_ena; 34 u8 l2tsel; 35 u8 hsplit_0; 36 u8 hsplit_1; 37 u8 showiv; 38 u32 rxmax; /* bigger than needed, see above for reason */ 39 u8 tphrdesc_ena; 40 u8 tphwdesc_ena; 41 u8 tphdata_ena; 42 u8 tphhead_ena; 43 u16 lrxqthresh; /* bigger than needed, see above for reason */ 44 u8 prefena; /* NOTE: normally must be set to 1 at init */ 45 }; 46 47 /* Tx queue context data 48 * 49 * The sizes of the variables may be larger than needed due to crossing byte 50 * boundaries. If we do not have the width of the variable set to the correct 51 * size then we could end up shifting bits off the top of the variable when the 52 * variable is at the top of a byte and crosses over into the next byte. 53 */ 54 struct i40e_hmc_obj_txq { 55 u16 head; 56 u8 new_context; 57 u64 base; 58 u8 fc_ena; 59 u8 timesync_ena; 60 u8 fd_ena; 61 u8 alt_vlan_ena; 62 u16 thead_wb; 63 u8 cpuid; 64 u8 head_wb_ena; 65 u16 qlen; 66 u8 tphrdesc_ena; 67 u8 tphrpacket_ena; 68 u8 tphwdesc_ena; 69 u64 head_wb_addr; 70 u32 crc; 71 u16 rdylist; 72 u8 rdylist_act; 73 }; 74 75 /* for hsplit_0 field of Rx HMC context */ 76 enum i40e_hmc_obj_rx_hsplit_0 { 77 I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0, 78 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1, 79 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2, 80 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4, 81 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8, 82 }; 83 84 /* fcoe_cntx and fcoe_filt are for debugging purpose only */ 85 struct i40e_hmc_obj_fcoe_cntx { 86 u32 rsv[32]; 87 }; 88 89 struct i40e_hmc_obj_fcoe_filt { 90 u32 rsv[8]; 91 }; 92 93 /* Context sizes for LAN objects */ 94 enum i40e_hmc_lan_object_size { 95 I40E_HMC_LAN_OBJ_SZ_8 = 0x3, 96 I40E_HMC_LAN_OBJ_SZ_16 = 0x4, 97 I40E_HMC_LAN_OBJ_SZ_32 = 0x5, 98 I40E_HMC_LAN_OBJ_SZ_64 = 0x6, 99 I40E_HMC_LAN_OBJ_SZ_128 = 0x7, 100 I40E_HMC_LAN_OBJ_SZ_256 = 0x8, 101 I40E_HMC_LAN_OBJ_SZ_512 = 0x9, 102 }; 103 104 #define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512 105 #define I40E_HMC_OBJ_SIZE_TXQ 128 106 #define I40E_HMC_OBJ_SIZE_RXQ 32 107 #define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64 108 #define I40E_HMC_OBJ_SIZE_FCOE_FILT 64 109 110 enum i40e_hmc_lan_rsrc_type { 111 I40E_HMC_LAN_FULL = 0, 112 I40E_HMC_LAN_TX = 1, 113 I40E_HMC_LAN_RX = 2, 114 I40E_HMC_FCOE_CTX = 3, 115 I40E_HMC_FCOE_FILT = 4, 116 I40E_HMC_LAN_MAX = 5 117 }; 118 119 enum i40e_hmc_model { 120 I40E_HMC_MODEL_DIRECT_PREFERRED = 0, 121 I40E_HMC_MODEL_DIRECT_ONLY = 1, 122 I40E_HMC_MODEL_PAGED_ONLY = 2, 123 I40E_HMC_MODEL_UNKNOWN, 124 }; 125 126 struct i40e_hmc_lan_create_obj_info { 127 struct i40e_hmc_info *hmc_info; 128 u32 rsrc_type; 129 u32 start_idx; 130 u32 count; 131 enum i40e_sd_entry_type entry_type; 132 u64 direct_mode_sz; 133 }; 134 135 struct i40e_hmc_lan_delete_obj_info { 136 struct i40e_hmc_info *hmc_info; 137 u32 rsrc_type; 138 u32 start_idx; 139 u32 count; 140 }; 141 142 int i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num, 143 u32 rxq_num, u32 fcoe_cntx_num, 144 u32 fcoe_filt_num); 145 int i40e_configure_lan_hmc(struct i40e_hw *hw, 146 enum i40e_hmc_model model); 147 int i40e_shutdown_lan_hmc(struct i40e_hw *hw); 148 149 int i40e_clear_lan_tx_queue_context(struct i40e_hw *hw, 150 u16 queue); 151 int i40e_set_lan_tx_queue_context(struct i40e_hw *hw, 152 u16 queue, 153 struct i40e_hmc_obj_txq *s); 154 int i40e_clear_lan_rx_queue_context(struct i40e_hw *hw, 155 u16 queue); 156 int i40e_set_lan_rx_queue_context(struct i40e_hw *hw, 157 u16 queue, 158 struct i40e_hmc_obj_rxq *s); 159 160 #endif /* _I40E_LAN_HMC_H_ */ 161