linux/drivers/net/ethernet/intel/ixgbevf/vf.h
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   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
  41struct ixgbe_hw;
  42
  43/* iterator type for walking multicast address lists */
  44typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
  45                                  u32 *vmdq);
  46struct 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        u32 (*get_supported_physical_layer)(struct ixgbe_hw *);
  53        s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
  54        s32 (*stop_adapter)(struct ixgbe_hw *);
  55        s32 (*get_bus_info)(struct ixgbe_hw *);
  56
  57        /* Link */
  58        s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
  59        s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
  60        s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
  61                                     bool *);
  62
  63        /* RAR, Multicast, VLAN */
  64        s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
  65        s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
  66        s32 (*init_rx_addrs)(struct ixgbe_hw *);
  67        s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
  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
  74enum ixgbe_mac_type {
  75        ixgbe_mac_unknown = 0,
  76        ixgbe_mac_82599_vf,
  77        ixgbe_mac_X540_vf,
  78        ixgbe_num_macs
  79};
  80
  81struct ixgbe_mac_info {
  82        struct ixgbe_mac_operations ops;
  83        u8 addr[6];
  84        u8 perm_addr[6];
  85
  86        enum ixgbe_mac_type type;
  87
  88        s32  mc_filter_type;
  89
  90        bool get_link_status;
  91        u32  max_tx_queues;
  92        u32  max_rx_queues;
  93        u32  max_msix_vectors;
  94};
  95
  96struct ixgbe_mbx_operations {
  97        s32 (*init_params)(struct ixgbe_hw *hw);
  98        s32 (*read)(struct ixgbe_hw *, u32 *, u16);
  99        s32 (*write)(struct ixgbe_hw *, u32 *, u16);
 100        s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
 101        s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
 102        s32 (*check_for_msg)(struct ixgbe_hw *);
 103        s32 (*check_for_ack)(struct ixgbe_hw *);
 104        s32 (*check_for_rst)(struct ixgbe_hw *);
 105};
 106
 107struct ixgbe_mbx_stats {
 108        u32 msgs_tx;
 109        u32 msgs_rx;
 110
 111        u32 acks;
 112        u32 reqs;
 113        u32 rsts;
 114};
 115
 116struct ixgbe_mbx_info {
 117        struct ixgbe_mbx_operations ops;
 118        struct ixgbe_mbx_stats stats;
 119        u32 timeout;
 120        u32 udelay;
 121        u32 v2p_mailbox;
 122        u16 size;
 123};
 124
 125struct ixgbe_hw {
 126        void *back;
 127
 128        u8 __iomem *hw_addr;
 129
 130        struct ixgbe_mac_info mac;
 131        struct ixgbe_mbx_info mbx;
 132
 133        u16 device_id;
 134        u16 subsystem_vendor_id;
 135        u16 subsystem_device_id;
 136        u16 vendor_id;
 137
 138        u8  revision_id;
 139        bool adapter_stopped;
 140
 141        int api_version;
 142};
 143
 144struct ixgbevf_hw_stats {
 145        u64 base_vfgprc;
 146        u64 base_vfgptc;
 147        u64 base_vfgorc;
 148        u64 base_vfgotc;
 149        u64 base_vfmprc;
 150
 151        u64 last_vfgprc;
 152        u64 last_vfgptc;
 153        u64 last_vfgorc;
 154        u64 last_vfgotc;
 155        u64 last_vfmprc;
 156
 157        u64 vfgprc;
 158        u64 vfgptc;
 159        u64 vfgorc;
 160        u64 vfgotc;
 161        u64 vfmprc;
 162
 163        u64 saved_reset_vfgprc;
 164        u64 saved_reset_vfgptc;
 165        u64 saved_reset_vfgorc;
 166        u64 saved_reset_vfgotc;
 167        u64 saved_reset_vfmprc;
 168};
 169
 170struct ixgbevf_info {
 171        enum ixgbe_mac_type             mac;
 172        const struct ixgbe_mac_operations *mac_ops;
 173};
 174
 175#define IXGBE_FAILED_READ_REG 0xffffffffU
 176
 177#define IXGBE_REMOVED(a) unlikely(!(a))
 178
 179static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
 180{
 181        u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
 182
 183        if (IXGBE_REMOVED(reg_addr))
 184                return;
 185        writel(value, reg_addr + reg);
 186}
 187#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
 188
 189u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
 190#define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
 191
 192static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
 193                                          u32 offset, u32 value)
 194{
 195        ixgbe_write_reg(hw, reg + (offset << 2), value);
 196}
 197#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
 198
 199static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
 200                                        u32 offset)
 201{
 202        return ixgbevf_read_reg(hw, reg + (offset << 2));
 203}
 204#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
 205
 206void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
 207int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
 208int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
 209                       unsigned int *default_tc);
 210#endif /* __IXGBE_VF_H__ */
 211
 212