File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
new file mode 100644
index 0000000..ef9f773
--- /dev/null
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
@@ -0,0 +1,216 @@
+/*******************************************************************************
+
+  Intel 82599 Virtual Function driver
+  Copyright(c) 1999 - 2015 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, see <http://www.gnu.org/licenses/>.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#ifndef __IXGBE_VF_H__
+#define __IXGBE_VF_H__
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+#include <linux/netdevice.h>
+
+#include "defines.h"
+#include "regs.h"
+#include "mbx.h"
+
+struct ixgbe_hw;
+
+/* iterator type for walking multicast address lists */
+typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
+				  u32 *vmdq);
+struct ixgbe_mac_operations {
+	s32 (*init_hw)(struct ixgbe_hw *);
+	s32 (*reset_hw)(struct ixgbe_hw *);
+	s32 (*start_hw)(struct ixgbe_hw *);
+	s32 (*clear_hw_cntrs)(struct ixgbe_hw *);
+	enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *);
+	s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
+	s32 (*stop_adapter)(struct ixgbe_hw *);
+	s32 (*get_bus_info)(struct ixgbe_hw *);
+
+	/* Link */
+	s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
+	s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
+	s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
+				     bool *);
+
+	/* RAR, Multicast, VLAN */
+	s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
+	s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
+	s32 (*init_rx_addrs)(struct ixgbe_hw *);
+	s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
+	s32 (*update_xcast_mode)(struct ixgbe_hw *, struct net_device *, int);
+	s32 (*enable_mc)(struct ixgbe_hw *);
+	s32 (*disable_mc)(struct ixgbe_hw *);
+	s32 (*clear_vfta)(struct ixgbe_hw *);
+	s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
+};
+
+enum ixgbe_mac_type {
+	ixgbe_mac_unknown = 0,
+	ixgbe_mac_82599_vf,
+	ixgbe_mac_X540_vf,
+	ixgbe_mac_X550_vf,
+	ixgbe_mac_X550EM_x_vf,
+	ixgbe_num_macs
+};
+
+struct ixgbe_mac_info {
+	struct ixgbe_mac_operations ops;
+	u8 addr[6];
+	u8 perm_addr[6];
+
+	enum ixgbe_mac_type type;
+
+	s32  mc_filter_type;
+
+	bool get_link_status;
+	u32  max_tx_queues;
+	u32  max_rx_queues;
+	u32  max_msix_vectors;
+};
+
+struct ixgbe_mbx_operations {
+	s32 (*init_params)(struct ixgbe_hw *hw);
+	s32 (*read)(struct ixgbe_hw *, u32 *, u16);
+	s32 (*write)(struct ixgbe_hw *, u32 *, u16);
+	s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
+	s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
+	s32 (*check_for_msg)(struct ixgbe_hw *);
+	s32 (*check_for_ack)(struct ixgbe_hw *);
+	s32 (*check_for_rst)(struct ixgbe_hw *);
+};
+
+struct ixgbe_mbx_stats {
+	u32 msgs_tx;
+	u32 msgs_rx;
+
+	u32 acks;
+	u32 reqs;
+	u32 rsts;
+};
+
+struct ixgbe_mbx_info {
+	struct ixgbe_mbx_operations ops;
+	struct ixgbe_mbx_stats stats;
+	u32 timeout;
+	u32 udelay;
+	u32 v2p_mailbox;
+	u16 size;
+};
+
+struct ixgbe_hw {
+	void *back;
+
+	u8 __iomem *hw_addr;
+
+	struct ixgbe_mac_info mac;
+	struct ixgbe_mbx_info mbx;
+
+	u16 device_id;
+	u16 subsystem_vendor_id;
+	u16 subsystem_device_id;
+	u16 vendor_id;
+
+	u8  revision_id;
+	bool adapter_stopped;
+
+	int api_version;
+};
+
+struct ixgbevf_hw_stats {
+	u64 base_vfgprc;
+	u64 base_vfgptc;
+	u64 base_vfgorc;
+	u64 base_vfgotc;
+	u64 base_vfmprc;
+
+	u64 last_vfgprc;
+	u64 last_vfgptc;
+	u64 last_vfgorc;
+	u64 last_vfgotc;
+	u64 last_vfmprc;
+
+	u64 vfgprc;
+	u64 vfgptc;
+	u64 vfgorc;
+	u64 vfgotc;
+	u64 vfmprc;
+
+	u64 saved_reset_vfgprc;
+	u64 saved_reset_vfgptc;
+	u64 saved_reset_vfgorc;
+	u64 saved_reset_vfgotc;
+	u64 saved_reset_vfmprc;
+};
+
+struct ixgbevf_info {
+	enum ixgbe_mac_type mac;
+	const struct ixgbe_mac_operations *mac_ops;
+};
+
+#define IXGBE_FAILED_READ_REG 0xffffffffU
+
+#define IXGBE_REMOVED(a) unlikely(!(a))
+
+static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
+{
+	u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr);
+
+	if (IXGBE_REMOVED(reg_addr))
+		return;
+	writel(value, reg_addr + reg);
+}
+
+#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
+
+u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
+#define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
+
+static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
+					 u32 offset, u32 value)
+{
+	ixgbe_write_reg(hw, reg + (offset << 2), value);
+}
+
+#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
+
+static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
+				       u32 offset)
+{
+	return ixgbevf_read_reg(hw, reg + (offset << 2));
+}
+
+#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
+
+void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size);
+int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api);
+int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
+		       unsigned int *default_tc);
+int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
+int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
+#endif /* __IXGBE_VF_H__ */