1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 1999 - 2018 Intel Corporation. */ 3 4 #ifndef __IXGBE_VF_H__ 5 #define __IXGBE_VF_H__ 6 7 #include <linux/pci.h> 8 #include <linux/delay.h> 9 #include <linux/interrupt.h> 10 #include <linux/if_ether.h> 11 #include <linux/netdevice.h> 12 13 #include "defines.h" 14 #include "regs.h" 15 #include "mbx.h" 16 17 struct ixgbe_hw; 18 19 struct ixgbe_mac_operations { 20 s32 (*init_hw)(struct ixgbe_hw *); 21 s32 (*reset_hw)(struct ixgbe_hw *); 22 s32 (*start_hw)(struct ixgbe_hw *); 23 s32 (*clear_hw_cntrs)(struct ixgbe_hw *); 24 enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *); 25 s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *); 26 s32 (*stop_adapter)(struct ixgbe_hw *); 27 s32 (*get_bus_info)(struct ixgbe_hw *); 28 s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api); 29 30 /* Link */ 31 s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool); 32 s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool); 33 s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *, 34 bool *); 35 36 /* RAR, Multicast, VLAN */ 37 s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32); 38 s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *); 39 s32 (*init_rx_addrs)(struct ixgbe_hw *); 40 s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *); 41 s32 (*update_xcast_mode)(struct ixgbe_hw *, int); 42 s32 (*get_link_state)(struct ixgbe_hw *hw, bool *link_state); 43 s32 (*enable_mc)(struct ixgbe_hw *); 44 s32 (*disable_mc)(struct ixgbe_hw *); 45 s32 (*clear_vfta)(struct ixgbe_hw *); 46 s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool); 47 s32 (*set_rlpml)(struct ixgbe_hw *, u16); 48 }; 49 50 enum ixgbe_mac_type { 51 ixgbe_mac_unknown = 0, 52 ixgbe_mac_82599_vf, 53 ixgbe_mac_X540_vf, 54 ixgbe_mac_X550_vf, 55 ixgbe_mac_X550EM_x_vf, 56 ixgbe_mac_x550em_a_vf, 57 ixgbe_num_macs 58 }; 59 60 struct ixgbe_mac_info { 61 struct ixgbe_mac_operations ops; 62 u8 addr[6]; 63 u8 perm_addr[6]; 64 65 enum ixgbe_mac_type type; 66 67 s32 mc_filter_type; 68 69 bool get_link_status; 70 u32 max_tx_queues; 71 u32 max_rx_queues; 72 u32 max_msix_vectors; 73 }; 74 75 struct ixgbe_mbx_operations { 76 s32 (*init_params)(struct ixgbe_hw *hw); 77 void (*release)(struct ixgbe_hw *hw); 78 s32 (*read)(struct ixgbe_hw *, u32 *, u16); 79 s32 (*write)(struct ixgbe_hw *, u32 *, u16); 80 s32 (*check_for_msg)(struct ixgbe_hw *); 81 s32 (*check_for_ack)(struct ixgbe_hw *); 82 s32 (*check_for_rst)(struct ixgbe_hw *); 83 }; 84 85 struct ixgbe_mbx_stats { 86 u32 msgs_tx; 87 u32 msgs_rx; 88 89 u32 acks; 90 u32 reqs; 91 u32 rsts; 92 }; 93 94 struct ixgbe_mbx_info { 95 struct ixgbe_mbx_operations ops; 96 struct ixgbe_mbx_stats stats; 97 u32 timeout; 98 u32 udelay; 99 u32 vf_mailbox; 100 u16 size; 101 }; 102 103 struct ixgbe_hw { 104 void *back; 105 106 u8 __iomem *hw_addr; 107 108 struct ixgbe_mac_info mac; 109 struct ixgbe_mbx_info mbx; 110 111 u16 device_id; 112 u16 subsystem_vendor_id; 113 u16 subsystem_device_id; 114 u16 vendor_id; 115 116 u8 revision_id; 117 bool adapter_stopped; 118 119 int api_version; 120 }; 121 122 struct ixgbevf_hw_stats { 123 u64 base_vfgprc; 124 u64 base_vfgptc; 125 u64 base_vfgorc; 126 u64 base_vfgotc; 127 u64 base_vfmprc; 128 129 u64 last_vfgprc; 130 u64 last_vfgptc; 131 u64 last_vfgorc; 132 u64 last_vfgotc; 133 u64 last_vfmprc; 134 135 u64 vfgprc; 136 u64 vfgptc; 137 u64 vfgorc; 138 u64 vfgotc; 139 u64 vfmprc; 140 141 u64 saved_reset_vfgprc; 142 u64 saved_reset_vfgptc; 143 u64 saved_reset_vfgorc; 144 u64 saved_reset_vfgotc; 145 u64 saved_reset_vfmprc; 146 }; 147 148 struct ixgbevf_info { 149 enum ixgbe_mac_type mac; 150 const struct ixgbe_mac_operations *mac_ops; 151 }; 152 153 #define IXGBE_FAILED_READ_REG 0xffffffffU 154 155 #define IXGBE_REMOVED(a) unlikely(!(a)) 156 157 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value) 158 { 159 u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); 160 161 if (IXGBE_REMOVED(reg_addr)) 162 return; 163 writel(value, reg_addr + reg); 164 } 165 166 #define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v) 167 168 u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg); 169 #define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r) 170 171 static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, 172 u32 offset, u32 value) 173 { 174 ixgbe_write_reg(hw, reg + (offset << 2), value); 175 } 176 177 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v) 178 179 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, 180 u32 offset) 181 { 182 return ixgbevf_read_reg(hw, reg + (offset << 2)); 183 } 184 185 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o) 186 187 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs, 188 unsigned int *default_tc); 189 int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues); 190 int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key); 191 #endif /* __IXGBE_VF_H__ */ 192