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