161 lines · c
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 */10struct i40e_hw;11 12/* HMC element context information */13 14/* Rx queue context data15 *16 * The sizes of the variables may be larger than needed due to crossing byte17 * boundaries. If we do not have the width of the variable set to the correct18 * size then we could end up shifting bits off the top of the variable when the19 * variable is at the top of a byte and crosses over into the next byte.20 */21struct 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 727 u16 dbuff; /* bigger than needed, see above for reason */28#define I40E_RXQ_CTX_HBUFF_SHIFT 629 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 data48*49* The sizes of the variables may be larger than needed due to crossing byte50* boundaries. If we do not have the width of the variable set to the correct51* size then we could end up shifting bits off the top of the variable when the52* variable is at the top of a byte and crosses over into the next byte.53*/54struct 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 */76enum 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 */85struct i40e_hmc_obj_fcoe_cntx {86 u32 rsv[32];87};88 89struct i40e_hmc_obj_fcoe_filt {90 u32 rsv[8];91};92 93/* Context sizes for LAN objects */94enum 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 512105#define I40E_HMC_OBJ_SIZE_TXQ 128106#define I40E_HMC_OBJ_SIZE_RXQ 32107#define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64108#define I40E_HMC_OBJ_SIZE_FCOE_FILT 64109 110enum 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 = 5117};118 119enum 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 126struct 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 135struct 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 142int i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num,143 u32 rxq_num, u32 fcoe_cntx_num,144 u32 fcoe_filt_num);145int i40e_configure_lan_hmc(struct i40e_hw *hw,146 enum i40e_hmc_model model);147int i40e_shutdown_lan_hmc(struct i40e_hw *hw);148 149int i40e_clear_lan_tx_queue_context(struct i40e_hw *hw,150 u16 queue);151int i40e_set_lan_tx_queue_context(struct i40e_hw *hw,152 u16 queue,153 struct i40e_hmc_obj_txq *s);154int i40e_clear_lan_rx_queue_context(struct i40e_hw *hw,155 u16 queue);156int 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