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

   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         s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api);
  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 (*update_xcast_mode)(struct ixgbe_hw *, int);
  68         s32 (*enable_mc)(struct ixgbe_hw *);
  69         s32 (*disable_mc)(struct ixgbe_hw *);
  70         s32 (*clear_vfta)(struct ixgbe_hw *);
  71         s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
  72         s32 (*set_rlpml)(struct ixgbe_hw *, u16);
  73 };
  74
  75 enum ixgbe_mac_type {
  76         ixgbe_mac_unknown = 0,
  77         ixgbe_mac_82599_vf,
  78         ixgbe_mac_X540_vf,
  79         ixgbe_mac_X550_vf,
  80         ixgbe_mac_X550EM_x_vf,
  81         ixgbe_mac_x550em_a_vf,
  82         ixgbe_num_macs
  83 };
  84
  85 struct ixgbe_mac_info {
  86         struct ixgbe_mac_operations ops;
  87         u8 addr[6];
  88         u8 perm_addr[6];
  89
  90         enum ixgbe_mac_type type;
  91
  92         s32  mc_filter_type;
  93
  94         bool get_link_status;
  95         u32  max_tx_queues;
  96         u32  max_rx_queues;
  97         u32  max_msix_vectors;
  98 };
  99
 100 struct ixgbe_mbx_operations {
 101         s32 (*init_params)(struct ixgbe_hw *hw);
 102         s32 (*read)(struct ixgbe_hw *, u32 *, u16);
 103         s32 (*write)(struct ixgbe_hw *, u32 *, u16);
 104         s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
 105         s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
 106         s32 (*check_for_msg)(struct ixgbe_hw *);
 107         s32 (*check_for_ack)(struct ixgbe_hw *);
 108         s32 (*check_for_rst)(struct ixgbe_hw *);
 109 };
 110
 111 struct ixgbe_mbx_stats {
 112         u32 msgs_tx;
 113         u32 msgs_rx;
 114
 115         u32 acks;
 116         u32 reqs;
 117         u32 rsts;
 118 };
 119
 120 struct ixgbe_mbx_info {
 121         struct ixgbe_mbx_operations ops;
 122         struct ixgbe_mbx_stats stats;
 123         u32 timeout;
 124         u32 udelay;
 125         u32 v2p_mailbox;
 126         u16 size;
 127 };
 128
 129 struct ixgbe_hw {
 130         void *back;
 131
 132         u8 __iomem *hw_addr;
 133
 134         struct ixgbe_mac_info mac;
 135         struct ixgbe_mbx_info mbx;
 136
 137         u16 device_id;
 138         u16 subsystem_vendor_id;
 139         u16 subsystem_device_id;
 140         u16 vendor_id;
 141
 142         u8  revision_id;
 143         bool adapter_stopped;
 144
 145         int api_version;
 146 };
 147
 148 struct ixgbevf_hw_stats {
 149         u64 base_vfgprc;
 150         u64 base_vfgptc;
 151         u64 base_vfgorc;
 152         u64 base_vfgotc;
 153         u64 base_vfmprc;
 154
 155         u64 last_vfgprc;
 156         u64 last_vfgptc;
 157         u64 last_vfgorc;
 158         u64 last_vfgotc;
 159         u64 last_vfmprc;
 160
 161         u64 vfgprc;
 162         u64 vfgptc;
 163         u64 vfgorc;
 164         u64 vfgotc;
 165         u64 vfmprc;
 166
 167         u64 saved_reset_vfgprc;
 168         u64 saved_reset_vfgptc;
 169         u64 saved_reset_vfgorc;
 170         u64 saved_reset_vfgotc;
 171         u64 saved_reset_vfmprc;
 172 };
 173
 174 struct ixgbevf_info {
 175         enum ixgbe_mac_type mac;
 176         const struct ixgbe_mac_operations *mac_ops;
 177 };
 178
 179 #define IXGBE_FAILED_READ_REG 0xffffffffU
 180
 181 #define IXGBE_REMOVED(a) unlikely(!(a))
 182
 183 static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
 184 {
 185         u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr);
 186
 187         if (IXGBE_REMOVED(reg_addr))
 188                 return;
 189         writel(value, reg_addr + reg);
 190 }
 191
 192 #define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
 193
 194 u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
 195 #define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
 196
 197 static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
 198                                          u32 offset, u32 value)
 199 {
 200         ixgbe_write_reg(hw, reg + (offset << 2), value);
 201 }
 202
 203 #define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
 204
 205 static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
 206                                        u32 offset)
 207 {
 208         return ixgbevf_read_reg(hw, reg + (offset << 2));
 209 }
 210
 211 #define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
 212
 213 int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
 214                        unsigned int *default_tc);
 215 int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
 216 int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
 217 #endif /* __IXGBE_VF_H__ */