drivers/net/ethernet/intel/ixgbevf/vf.h

   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__ */