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