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 /* iterator type for walking multicast address lists */
  20 typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
  21                                   u32 *vmdq);
  22 struct ixgbe_mac_operations {
  23         s32 (*init_hw)(struct ixgbe_hw *);
  24         s32 (*reset_hw)(struct ixgbe_hw *);
  25         s32 (*start_hw)(struct ixgbe_hw *);
  26         s32 (*clear_hw_cntrs)(struct ixgbe_hw *);
  27         enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *);
  28         s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
  29         s32 (*stop_adapter)(struct ixgbe_hw *);
  30         s32 (*get_bus_info)(struct ixgbe_hw *);
  31         s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api);
  32
  33         /* Link */
  34         s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
  35         s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
  36         s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
  37                                      bool *);
  38
  39         /* RAR, Multicast, VLAN */
  40         s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
  41         s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
  42         s32 (*init_rx_addrs)(struct ixgbe_hw *);
  43         s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
  44         s32 (*update_xcast_mode)(struct ixgbe_hw *, int);
  45         s32 (*enable_mc)(struct ixgbe_hw *);
  46         s32 (*disable_mc)(struct ixgbe_hw *);
  47         s32 (*clear_vfta)(struct ixgbe_hw *);
  48         s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
  49         s32 (*set_rlpml)(struct ixgbe_hw *, u16);
  50 };
  51
  52 enum ixgbe_mac_type {
  53         ixgbe_mac_unknown = 0,
  54         ixgbe_mac_82599_vf,
  55         ixgbe_mac_X540_vf,
  56         ixgbe_mac_X550_vf,
  57         ixgbe_mac_X550EM_x_vf,
  58         ixgbe_mac_x550em_a_vf,
  59         ixgbe_num_macs
  60 };
  61
  62 struct ixgbe_mac_info {
  63         struct ixgbe_mac_operations ops;
  64         u8 addr[6];
  65         u8 perm_addr[6];
  66
  67         enum ixgbe_mac_type type;
  68
  69         s32  mc_filter_type;
  70
  71         bool get_link_status;
  72         u32  max_tx_queues;
  73         u32  max_rx_queues;
  74         u32  max_msix_vectors;
  75 };
  76
  77 struct ixgbe_mbx_operations {
  78         s32 (*init_params)(struct ixgbe_hw *hw);
  79         s32 (*read)(struct ixgbe_hw *, u32 *, u16);
  80         s32 (*write)(struct ixgbe_hw *, u32 *, u16);
  81         s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
  82         s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
  83         s32 (*check_for_msg)(struct ixgbe_hw *);
  84         s32 (*check_for_ack)(struct ixgbe_hw *);
  85         s32 (*check_for_rst)(struct ixgbe_hw *);
  86 };
  87
  88 struct ixgbe_mbx_stats {
  89         u32 msgs_tx;
  90         u32 msgs_rx;
  91
  92         u32 acks;
  93         u32 reqs;
  94         u32 rsts;
  95 };
  96
  97 struct ixgbe_mbx_info {
  98         struct ixgbe_mbx_operations ops;
  99         struct ixgbe_mbx_stats stats;
 100         u32 timeout;
 101         u32 udelay;
 102         u32 v2p_mailbox;
 103         u16 size;
 104 };
 105
 106 struct ixgbe_hw {
 107         void *back;
 108
 109         u8 __iomem *hw_addr;
 110
 111         struct ixgbe_mac_info mac;
 112         struct ixgbe_mbx_info mbx;
 113
 114         u16 device_id;
 115         u16 subsystem_vendor_id;
 116         u16 subsystem_device_id;
 117         u16 vendor_id;
 118
 119         u8  revision_id;
 120         bool adapter_stopped;
 121
 122         int api_version;
 123 };
 124
 125 struct ixgbevf_hw_stats {
 126         u64 base_vfgprc;
 127         u64 base_vfgptc;
 128         u64 base_vfgorc;
 129         u64 base_vfgotc;
 130         u64 base_vfmprc;
 131
 132         u64 last_vfgprc;
 133         u64 last_vfgptc;
 134         u64 last_vfgorc;
 135         u64 last_vfgotc;
 136         u64 last_vfmprc;
 137
 138         u64 vfgprc;
 139         u64 vfgptc;
 140         u64 vfgorc;
 141         u64 vfgotc;
 142         u64 vfmprc;
 143
 144         u64 saved_reset_vfgprc;
 145         u64 saved_reset_vfgptc;
 146         u64 saved_reset_vfgorc;
 147         u64 saved_reset_vfgotc;
 148         u64 saved_reset_vfmprc;
 149 };
 150
 151 struct ixgbevf_info {
 152         enum ixgbe_mac_type mac;
 153         const struct ixgbe_mac_operations *mac_ops;
 154 };
 155
 156 #define IXGBE_FAILED_READ_REG 0xffffffffU
 157
 158 #define IXGBE_REMOVED(a) unlikely(!(a))
 159
 160 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
 161 {
 162         u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr);
 163
 164         if (IXGBE_REMOVED(reg_addr))
 165                 return;
 166         writel(value, reg_addr + reg);
 167 }
 168
 169 #define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
 170
 171 u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
 172 #define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
 173
 174 static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
 175                                          u32 offset, u32 value)
 176 {
 177         ixgbe_write_reg(hw, reg + (offset << 2), value);
 178 }
 179
 180 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
 181
 182 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
 183                                        u32 offset)
 184 {
 185         return ixgbevf_read_reg(hw, reg + (offset << 2));
 186 }
 187
 188 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
 189
 190 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
 191                        unsigned int *default_tc);
 192 int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
 193 int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
 194 #endif /* __IXGBE_VF_H__ */