1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /******************************************************************************* 3 4 Intel 82599 Virtual Function driver 5 Copyright(c) 1999 - 2015 Intel Corporation. 6 7 This program is free software; you can redistribute it and/or modify it 8 under the terms and conditions of the GNU General Public License, 9 version 2, as published by the Free Software Foundation. 10 11 This program is distributed in the hope it will be useful, but WITHOUT 12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 more details. 15 16 You should have received a copy of the GNU General Public License along with 17 this program; if not, see <http://www.gnu.org/licenses/>. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26 *******************************************************************************/ 27 28 #ifndef __IXGBE_VF_H__ 29 #define __IXGBE_VF_H__ 30 31 #include <linux/pci.h> 32 #include <linux/delay.h> 33 #include <linux/interrupt.h> 34 #include <linux/if_ether.h> 35 #include <linux/netdevice.h> 36 37 #include "defines.h" 38 #include "regs.h" 39 #include "mbx.h" 40 41 struct ixgbe_hw; 42 43 /* iterator type for walking multicast address lists */ 44 typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr, 45 u32 *vmdq); 46 struct ixgbe_mac_operations { 47 s32 (*init_hw)(struct ixgbe_hw *); 48 s32 (*reset_hw)(struct ixgbe_hw *); 49 s32 (*start_hw)(struct ixgbe_hw *); 50 s32 (*clear_hw_cntrs)(struct ixgbe_hw *); 51 enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *); 52 s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *); 53 s32 (*stop_adapter)(struct ixgbe_hw *); 54 s32 (*get_bus_info)(struct ixgbe_hw *); 55 s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api); 56 57 /* Link */ 58 s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool); 59 s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool); 60 s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *, 61 bool *); 62 63 /* RAR, Multicast, VLAN */ 64 s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32); 65 s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *); 66 s32 (*init_rx_addrs)(struct ixgbe_hw *); 67 s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *); 68 s32 (*update_xcast_mode)(struct ixgbe_hw *, int); 69 s32 (*enable_mc)(struct ixgbe_hw *); 70 s32 (*disable_mc)(struct ixgbe_hw *); 71 s32 (*clear_vfta)(struct ixgbe_hw *); 72 s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool); 73 s32 (*set_rlpml)(struct ixgbe_hw *, u16); 74 }; 75 76 enum ixgbe_mac_type { 77 ixgbe_mac_unknown = 0, 78 ixgbe_mac_82599_vf, 79 ixgbe_mac_X540_vf, 80 ixgbe_mac_X550_vf, 81 ixgbe_mac_X550EM_x_vf, 82 ixgbe_mac_x550em_a_vf, 83 ixgbe_num_macs 84 }; 85 86 struct ixgbe_mac_info { 87 struct ixgbe_mac_operations ops; 88 u8 addr[6]; 89 u8 perm_addr[6]; 90 91 enum ixgbe_mac_type type; 92 93 s32 mc_filter_type; 94 95 bool get_link_status; 96 u32 max_tx_queues; 97 u32 max_rx_queues; 98 u32 max_msix_vectors; 99 }; 100 101 struct ixgbe_mbx_operations { 102 s32 (*init_params)(struct ixgbe_hw *hw); 103 s32 (*read)(struct ixgbe_hw *, u32 *, u16); 104 s32 (*write)(struct ixgbe_hw *, u32 *, u16); 105 s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16); 106 s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16); 107 s32 (*check_for_msg)(struct ixgbe_hw *); 108 s32 (*check_for_ack)(struct ixgbe_hw *); 109 s32 (*check_for_rst)(struct ixgbe_hw *); 110 }; 111 112 struct ixgbe_mbx_stats { 113 u32 msgs_tx; 114 u32 msgs_rx; 115 116 u32 acks; 117 u32 reqs; 118 u32 rsts; 119 }; 120 121 struct ixgbe_mbx_info { 122 struct ixgbe_mbx_operations ops; 123 struct ixgbe_mbx_stats stats; 124 u32 timeout; 125 u32 udelay; 126 u32 v2p_mailbox; 127 u16 size; 128 }; 129 130 struct ixgbe_hw { 131 void *back; 132 133 u8 __iomem *hw_addr; 134 135 struct ixgbe_mac_info mac; 136 struct ixgbe_mbx_info mbx; 137 138 u16 device_id; 139 u16 subsystem_vendor_id; 140 u16 subsystem_device_id; 141 u16 vendor_id; 142 143 u8 revision_id; 144 bool adapter_stopped; 145 146 int api_version; 147 }; 148 149 struct ixgbevf_hw_stats { 150 u64 base_vfgprc; 151 u64 base_vfgptc; 152 u64 base_vfgorc; 153 u64 base_vfgotc; 154 u64 base_vfmprc; 155 156 u64 last_vfgprc; 157 u64 last_vfgptc; 158 u64 last_vfgorc; 159 u64 last_vfgotc; 160 u64 last_vfmprc; 161 162 u64 vfgprc; 163 u64 vfgptc; 164 u64 vfgorc; 165 u64 vfgotc; 166 u64 vfmprc; 167 168 u64 saved_reset_vfgprc; 169 u64 saved_reset_vfgptc; 170 u64 saved_reset_vfgorc; 171 u64 saved_reset_vfgotc; 172 u64 saved_reset_vfmprc; 173 }; 174 175 struct ixgbevf_info { 176 enum ixgbe_mac_type mac; 177 const struct ixgbe_mac_operations *mac_ops; 178 }; 179 180 #define IXGBE_FAILED_READ_REG 0xffffffffU 181 182 #define IXGBE_REMOVED(a) unlikely(!(a)) 183 184 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value) 185 { 186 u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr); 187 188 if (IXGBE_REMOVED(reg_addr)) 189 return; 190 writel(value, reg_addr + reg); 191 } 192 193 #define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v) 194 195 u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg); 196 #define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r) 197 198 static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg, 199 u32 offset, u32 value) 200 { 201 ixgbe_write_reg(hw, reg + (offset << 2), value); 202 } 203 204 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v) 205 206 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg, 207 u32 offset) 208 { 209 return ixgbevf_read_reg(hw, reg + (offset << 2)); 210 } 211 212 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o) 213 214 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs, 215 unsigned int *default_tc); 216 int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues); 217 int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key); 218 #endif /* __IXGBE_VF_H__ */ 219