Release 4.18 drivers/net/ethernet/intel/ixgbevf/vf.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */

#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 *);
	
s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api);

	/* 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 *, 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);
	
s32 (*set_rlpml)(struct ixgbe_hw *, u16);
};


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_mac_x550em_a_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 = READ_ONCE(hw->hw_addr);

	if (IXGBE_REMOVED(reg_addr))
		return;
	writel(value, reg_addr + reg);
}

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#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);
}

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#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));
}

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#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)

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__ */
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Directory: drivers/net/ethernet/intel/ixgbevf

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