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

   1 /*******************************************************************************
   2
   3   Intel 82599 Virtual Function driver
   4   Copyright(c) 1999 - 2014 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, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  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
  56         /* Link */
  57         s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
  58         s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
  59         s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
  60                                      bool *);
  61
  62         /* RAR, Multicast, VLAN */
  63         s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
  64         s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
  65         s32 (*init_rx_addrs)(struct ixgbe_hw *);
  66         s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
  67         s32 (*enable_mc)(struct ixgbe_hw *);
  68         s32 (*disable_mc)(struct ixgbe_hw *);
  69         s32 (*clear_vfta)(struct ixgbe_hw *);
  70         s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
  71 };
  72
  73 enum ixgbe_mac_type {
  74         ixgbe_mac_unknown = 0,
  75         ixgbe_mac_82599_vf,
  76         ixgbe_mac_X540_vf,
  77         ixgbe_mac_X550_vf,
  78         ixgbe_mac_X550EM_x_vf,
  79         ixgbe_num_macs
  80 };
  81
  82 struct ixgbe_mac_info {
  83         struct ixgbe_mac_operations ops;
  84         u8 addr[6];
  85         u8 perm_addr[6];
  86
  87         enum ixgbe_mac_type type;
  88
  89         s32  mc_filter_type;
  90
  91         bool get_link_status;
  92         u32  max_tx_queues;
  93         u32  max_rx_queues;
  94         u32  max_msix_vectors;
  95 };
  96
  97 struct ixgbe_mbx_operations {
  98         s32 (*init_params)(struct ixgbe_hw *hw);
  99         s32 (*read)(struct ixgbe_hw *, u32 *, u16);
 100         s32 (*write)(struct ixgbe_hw *, u32 *, u16);
 101         s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
 102         s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
 103         s32 (*check_for_msg)(struct ixgbe_hw *);
 104         s32 (*check_for_ack)(struct ixgbe_hw *);
 105         s32 (*check_for_rst)(struct ixgbe_hw *);
 106 };
 107
 108 struct ixgbe_mbx_stats {
 109         u32 msgs_tx;
 110         u32 msgs_rx;
 111
 112         u32 acks;
 113         u32 reqs;
 114         u32 rsts;
 115 };
 116
 117 struct ixgbe_mbx_info {
 118         struct ixgbe_mbx_operations ops;
 119         struct ixgbe_mbx_stats stats;
 120         u32 timeout;
 121         u32 udelay;
 122         u32 v2p_mailbox;
 123         u16 size;
 124 };
 125
 126 struct ixgbe_hw {
 127         void *back;
 128
 129         u8 __iomem *hw_addr;
 130
 131         struct ixgbe_mac_info mac;
 132         struct ixgbe_mbx_info mbx;
 133
 134         u16 device_id;
 135         u16 subsystem_vendor_id;
 136         u16 subsystem_device_id;
 137         u16 vendor_id;
 138
 139         u8  revision_id;
 140         bool adapter_stopped;
 141
 142         int api_version;
 143 };
 144
 145 struct ixgbevf_hw_stats {
 146         u64 base_vfgprc;
 147         u64 base_vfgptc;
 148         u64 base_vfgorc;
 149         u64 base_vfgotc;
 150         u64 base_vfmprc;
 151
 152         u64 last_vfgprc;
 153         u64 last_vfgptc;
 154         u64 last_vfgorc;
 155         u64 last_vfgotc;
 156         u64 last_vfmprc;
 157
 158         u64 vfgprc;
 159         u64 vfgptc;
 160         u64 vfgorc;
 161         u64 vfgotc;
 162         u64 vfmprc;
 163
 164         u64 saved_reset_vfgprc;
 165         u64 saved_reset_vfgptc;
 166         u64 saved_reset_vfgorc;
 167         u64 saved_reset_vfgotc;
 168         u64 saved_reset_vfmprc;
 169 };
 170
 171 struct ixgbevf_info {
 172         enum ixgbe_mac_type             mac;
 173         const struct ixgbe_mac_operations *mac_ops;
 174 };
 175
 176 #define IXGBE_FAILED_READ_REG 0xffffffffU
 177
 178 #define IXGBE_REMOVED(a) unlikely(!(a))
 179
 180 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
 181 {
 182         u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
 183
 184         if (IXGBE_REMOVED(reg_addr))
 185                 return;
 186         writel(value, reg_addr + reg);
 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 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
 199
 200 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
 201                                         u32 offset)
 202 {
 203         return ixgbevf_read_reg(hw, reg + (offset << 2));
 204 }
 205 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
 206
 207 void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
 208 int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
 209 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
 210                        unsigned int *default_tc);
 211 #endif /* __IXGBE_VF_H__ */
 212