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