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_num_macs
  78 };
  79
  80 struct ixgbe_mac_info {
  81         struct ixgbe_mac_operations ops;
  82         u8 addr[6];
  83         u8 perm_addr[6];
  84
  85         enum ixgbe_mac_type type;
  86
  87         s32  mc_filter_type;
  88
  89         bool get_link_status;
  90         u32  max_tx_queues;
  91         u32  max_rx_queues;
  92         u32  max_msix_vectors;
  93 };
  94
  95 struct ixgbe_mbx_operations {
  96         s32 (*init_params)(struct ixgbe_hw *hw);
  97         s32 (*read)(struct ixgbe_hw *, u32 *, u16);
  98         s32 (*write)(struct ixgbe_hw *, u32 *, u16);
  99         s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
 100         s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
 101         s32 (*check_for_msg)(struct ixgbe_hw *);
 102         s32 (*check_for_ack)(struct ixgbe_hw *);
 103         s32 (*check_for_rst)(struct ixgbe_hw *);
 104 };
 105
 106 struct ixgbe_mbx_stats {
 107         u32 msgs_tx;
 108         u32 msgs_rx;
 109
 110         u32 acks;
 111         u32 reqs;
 112         u32 rsts;
 113 };
 114
 115 struct ixgbe_mbx_info {
 116         struct ixgbe_mbx_operations ops;
 117         struct ixgbe_mbx_stats stats;
 118         u32 timeout;
 119         u32 udelay;
 120         u32 v2p_mailbox;
 121         u16 size;
 122 };
 123
 124 struct ixgbe_hw {
 125         void *back;
 126
 127         u8 __iomem *hw_addr;
 128
 129         struct ixgbe_mac_info mac;
 130         struct ixgbe_mbx_info mbx;
 131
 132         u16 device_id;
 133         u16 subsystem_vendor_id;
 134         u16 subsystem_device_id;
 135         u16 vendor_id;
 136
 137         u8  revision_id;
 138         bool adapter_stopped;
 139
 140         int api_version;
 141 };
 142
 143 struct ixgbevf_hw_stats {
 144         u64 base_vfgprc;
 145         u64 base_vfgptc;
 146         u64 base_vfgorc;
 147         u64 base_vfgotc;
 148         u64 base_vfmprc;
 149
 150         u64 last_vfgprc;
 151         u64 last_vfgptc;
 152         u64 last_vfgorc;
 153         u64 last_vfgotc;
 154         u64 last_vfmprc;
 155
 156         u64 vfgprc;
 157         u64 vfgptc;
 158         u64 vfgorc;
 159         u64 vfgotc;
 160         u64 vfmprc;
 161
 162         u64 saved_reset_vfgprc;
 163         u64 saved_reset_vfgptc;
 164         u64 saved_reset_vfgorc;
 165         u64 saved_reset_vfgotc;
 166         u64 saved_reset_vfmprc;
 167 };
 168
 169 struct ixgbevf_info {
 170         enum ixgbe_mac_type             mac;
 171         const struct ixgbe_mac_operations *mac_ops;
 172 };
 173
 174 #define IXGBE_FAILED_READ_REG 0xffffffffU
 175
 176 #define IXGBE_REMOVED(a) unlikely(!(a))
 177
 178 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
 179 {
 180         u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
 181
 182         if (IXGBE_REMOVED(reg_addr))
 183                 return;
 184         writel(value, reg_addr + reg);
 185 }
 186 #define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
 187
 188 u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
 189 #define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
 190
 191 static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
 192                                           u32 offset, u32 value)
 193 {
 194         ixgbe_write_reg(hw, reg + (offset << 2), value);
 195 }
 196 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
 197
 198 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
 199                                         u32 offset)
 200 {
 201         return ixgbevf_read_reg(hw, reg + (offset << 2));
 202 }
 203 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
 204
 205 void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
 206 int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
 207 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
 208                        unsigned int *default_tc);
 209 #endif /* __IXGBE_VF_H__ */
 210