/******************************************************************************
  SPDX-License-Identifier: BSD-3-Clause

  Copyright (c) 2001-2020, Intel Corporation
  All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.

   2. Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.

   3. Neither the name of the Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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******************************************************************************/

#ifndef _E1000_HW_H_
#define _E1000_HW_H_

#include "e1000_osdep.h"

__BEGIN_CDECLS

#include "e1000_regs.h"
#include "e1000_defines.h"

struct e1000_hw;

#define E1000_DEV_ID_82542			0x1000
#define E1000_DEV_ID_82543GC_FIBER		0x1001
#define E1000_DEV_ID_82543GC_COPPER		0x1004
#define E1000_DEV_ID_82544EI_COPPER		0x1008
#define E1000_DEV_ID_82544EI_FIBER		0x1009
#define E1000_DEV_ID_82544GC_COPPER		0x100C
#define E1000_DEV_ID_82544GC_LOM		0x100D
#define E1000_DEV_ID_82540EM			0x100E
#define E1000_DEV_ID_82540EM_LOM		0x1015
#define E1000_DEV_ID_82540EP_LOM		0x1016
#define E1000_DEV_ID_82540EP			0x1017
#define E1000_DEV_ID_82540EP_LP			0x101E
#define E1000_DEV_ID_82545EM_COPPER		0x100F
#define E1000_DEV_ID_82545EM_FIBER		0x1011
#define E1000_DEV_ID_82545GM_COPPER		0x1026
#define E1000_DEV_ID_82545GM_FIBER		0x1027
#define E1000_DEV_ID_82545GM_SERDES		0x1028
#define E1000_DEV_ID_82546EB_COPPER		0x1010
#define E1000_DEV_ID_82546EB_FIBER		0x1012
#define E1000_DEV_ID_82546EB_QUAD_COPPER	0x101D
#define E1000_DEV_ID_82546GB_COPPER		0x1079
#define E1000_DEV_ID_82546GB_FIBER		0x107A
#define E1000_DEV_ID_82546GB_SERDES		0x107B
#define E1000_DEV_ID_82546GB_PCIE		0x108A
#define E1000_DEV_ID_82546GB_QUAD_COPPER	0x1099
#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3	0x10B5
#define E1000_DEV_ID_82541EI			0x1013
#define E1000_DEV_ID_82541EI_MOBILE		0x1018
#define E1000_DEV_ID_82541ER_LOM		0x1014
#define E1000_DEV_ID_82541ER			0x1078
#define E1000_DEV_ID_82541GI			0x1076
#define E1000_DEV_ID_82541GI_LF			0x107C
#define E1000_DEV_ID_82541GI_MOBILE		0x1077
#define E1000_DEV_ID_82547EI			0x1019
#define E1000_DEV_ID_82547EI_MOBILE		0x101A
#define E1000_DEV_ID_82547GI			0x1075
#define E1000_DEV_ID_82571EB_COPPER		0x105E
#define E1000_DEV_ID_82571EB_FIBER		0x105F
#define E1000_DEV_ID_82571EB_SERDES		0x1060
#define E1000_DEV_ID_82571EB_SERDES_DUAL	0x10D9
#define E1000_DEV_ID_82571EB_SERDES_QUAD	0x10DA
#define E1000_DEV_ID_82571EB_QUAD_COPPER	0x10A4
#define E1000_DEV_ID_82571PT_QUAD_COPPER	0x10D5
#define E1000_DEV_ID_82571EB_QUAD_FIBER		0x10A5
#define E1000_DEV_ID_82571EB_QUAD_COPPER_LP	0x10BC
#define E1000_DEV_ID_82572EI_COPPER		0x107D
#define E1000_DEV_ID_82572EI_FIBER		0x107E
#define E1000_DEV_ID_82572EI_SERDES		0x107F
#define E1000_DEV_ID_82572EI			0x10B9
#define E1000_DEV_ID_82573E			0x108B
#define E1000_DEV_ID_82573E_IAMT		0x108C
#define E1000_DEV_ID_82573L			0x109A
#define E1000_DEV_ID_82574L			0x10D3
#define E1000_DEV_ID_82574LA			0x10F6
#define E1000_DEV_ID_82583V			0x150C
#define E1000_DEV_ID_80003ES2LAN_COPPER_DPT	0x1096
#define E1000_DEV_ID_80003ES2LAN_SERDES_DPT	0x1098
#define E1000_DEV_ID_80003ES2LAN_COPPER_SPT	0x10BA
#define E1000_DEV_ID_80003ES2LAN_SERDES_SPT	0x10BB
#define E1000_DEV_ID_ICH8_82567V_3		0x1501
#define E1000_DEV_ID_ICH8_IGP_M_AMT		0x1049
#define E1000_DEV_ID_ICH8_IGP_AMT		0x104A
#define E1000_DEV_ID_ICH8_IGP_C			0x104B
#define E1000_DEV_ID_ICH8_IFE			0x104C
#define E1000_DEV_ID_ICH8_IFE_GT		0x10C4
#define E1000_DEV_ID_ICH8_IFE_G			0x10C5
#define E1000_DEV_ID_ICH8_IGP_M			0x104D
#define E1000_DEV_ID_ICH9_IGP_M			0x10BF
#define E1000_DEV_ID_ICH9_IGP_M_AMT		0x10F5
#define E1000_DEV_ID_ICH9_IGP_M_V		0x10CB
#define E1000_DEV_ID_ICH9_IGP_AMT		0x10BD
#define E1000_DEV_ID_ICH9_BM			0x10E5
#define E1000_DEV_ID_ICH9_IGP_C			0x294C
#define E1000_DEV_ID_ICH9_IFE			0x10C0
#define E1000_DEV_ID_ICH9_IFE_GT		0x10C3
#define E1000_DEV_ID_ICH9_IFE_G			0x10C2
#define E1000_DEV_ID_ICH10_R_BM_LM		0x10CC
#define E1000_DEV_ID_ICH10_R_BM_LF		0x10CD
#define E1000_DEV_ID_ICH10_R_BM_V		0x10CE
#define E1000_DEV_ID_ICH10_D_BM_LM		0x10DE
#define E1000_DEV_ID_ICH10_D_BM_LF		0x10DF
#define E1000_DEV_ID_ICH10_D_BM_V		0x1525
#define E1000_DEV_ID_PCH_M_HV_LM		0x10EA
#define E1000_DEV_ID_PCH_M_HV_LC		0x10EB
#define E1000_DEV_ID_PCH_D_HV_DM		0x10EF
#define E1000_DEV_ID_PCH_D_HV_DC		0x10F0
#define E1000_DEV_ID_PCH2_LV_LM			0x1502
#define E1000_DEV_ID_PCH2_LV_V			0x1503
#define E1000_DEV_ID_PCH_LPT_I217_LM		0x153A
#define E1000_DEV_ID_PCH_LPT_I217_V		0x153B
#define E1000_DEV_ID_PCH_LPTLP_I218_LM		0x155A
#define E1000_DEV_ID_PCH_LPTLP_I218_V		0x1559
#define E1000_DEV_ID_PCH_I218_LM2		0x15A0
#define E1000_DEV_ID_PCH_I218_V2		0x15A1
#define E1000_DEV_ID_PCH_I218_LM3		0x15A2 /* Wildcat Point PCH */
#define E1000_DEV_ID_PCH_I218_V3		0x15A3 /* Wildcat Point PCH */
#define E1000_DEV_ID_PCH_SPT_I219_LM		0x156F /* Sunrise Point PCH */
#define E1000_DEV_ID_PCH_SPT_I219_V		0x1570 /* Sunrise Point PCH */
#define E1000_DEV_ID_PCH_SPT_I219_LM2		0x15B7 /* Sunrise Point-H PCH */
#define E1000_DEV_ID_PCH_SPT_I219_V2		0x15B8 /* Sunrise Point-H PCH */
#define E1000_DEV_ID_PCH_LBG_I219_LM3		0x15B9 /* LEWISBURG PCH */
#define E1000_DEV_ID_PCH_SPT_I219_LM4		0x15D7
#define E1000_DEV_ID_PCH_SPT_I219_V4		0x15D8
#define E1000_DEV_ID_PCH_SPT_I219_LM5		0x15E3
#define E1000_DEV_ID_PCH_SPT_I219_V5		0x15D6
#define E1000_DEV_ID_PCH_CNP_I219_LM6		0x15BD
#define E1000_DEV_ID_PCH_CNP_I219_V6		0x15BE
#define E1000_DEV_ID_PCH_CNP_I219_LM7		0x15BB
#define E1000_DEV_ID_PCH_CNP_I219_V7		0x15BC
#define E1000_DEV_ID_PCH_ICP_I219_LM8		0x15DF
#define E1000_DEV_ID_PCH_ICP_I219_V8		0x15E0
#define E1000_DEV_ID_PCH_ICP_I219_LM9		0x15E1
#define E1000_DEV_ID_PCH_ICP_I219_V9		0x15E2
#define E1000_DEV_ID_PCH_CMP_I219_LM10		0x0D4E
#define E1000_DEV_ID_PCH_CMP_I219_V10		0x0D4F
#define E1000_DEV_ID_PCH_CMP_I219_LM11		0x0D4C
#define E1000_DEV_ID_PCH_CMP_I219_V11		0x0D4D
#define E1000_DEV_ID_PCH_CMP_I219_LM12		0x0D53
#define E1000_DEV_ID_PCH_CMP_I219_V12		0x0D55
#define E1000_DEV_ID_PCH_TGP_I219_LM13		0x15FB
#define E1000_DEV_ID_PCH_TGP_I219_V13		0x15FC
#define E1000_DEV_ID_PCH_TGP_I219_LM14		0x15F9
#define E1000_DEV_ID_PCH_TGP_I219_V14		0x15FA
#define E1000_DEV_ID_PCH_TGP_I219_LM15		0x15F4
#define E1000_DEV_ID_PCH_TGP_I219_V15		0x15F5
#define E1000_DEV_ID_PCH_ADL_I219_LM16		0x1A1E
#define E1000_DEV_ID_PCH_ADL_I219_V16		0x1A1F
#define E1000_DEV_ID_PCH_ADL_I219_LM17		0x1A1C
#define E1000_DEV_ID_PCH_ADL_I219_V17		0x1A1D
#define E1000_DEV_ID_PCH_MTP_I219_LM18		0x550A
#define E1000_DEV_ID_PCH_MTP_I219_V18		0x550B
#define E1000_DEV_ID_PCH_MTP_I219_LM19		0x550C
#define E1000_DEV_ID_PCH_MTP_I219_V19		0x550D
#define E1000_DEV_ID_PCH_LNL_I219_LM20		0x550E
#define E1000_DEV_ID_PCH_LNL_I219_V20		0x550F
#define E1000_DEV_ID_PCH_LNL_I219_LM21		0x5510
#define E1000_DEV_ID_PCH_LNL_I219_V21		0x5511
#define E1000_DEV_ID_PCH_RPL_I219_LM22		0x0DC7
#define E1000_DEV_ID_PCH_RPL_I219_V22		0x0DC8
#define E1000_DEV_ID_PCH_RPL_I219_LM23		0x0DC5
#define E1000_DEV_ID_PCH_RPL_I219_V23		0x0DC6
#define E1000_DEV_ID_PCH_ARL_I219_LM24		0x57A0
#define E1000_DEV_ID_PCH_ARL_I219_V24		0x57A1
#define E1000_DEV_ID_PCH_PTP_I219_LM25		0x57B3
#define E1000_DEV_ID_PCH_PTP_I219_V25		0x57B4
#define E1000_DEV_ID_PCH_PTP_I219_LM26		0x57B5
#define E1000_DEV_ID_PCH_PTP_I219_V26		0x57B6
#define E1000_DEV_ID_PCH_PTP_I219_LM27		0x57B7
#define E1000_DEV_ID_PCH_PTP_I219_V27		0x57B8
#define E1000_DEV_ID_82576			0x10C9
#define E1000_DEV_ID_82576_FIBER		0x10E6
#define E1000_DEV_ID_82576_SERDES		0x10E7
#define E1000_DEV_ID_82576_QUAD_COPPER		0x10E8
#define E1000_DEV_ID_82576_QUAD_COPPER_ET2	0x1526
#define E1000_DEV_ID_82576_NS			0x150A
#define E1000_DEV_ID_82576_NS_SERDES		0x1518
#define E1000_DEV_ID_82576_SERDES_QUAD		0x150D
#define E1000_DEV_ID_82576_VF			0x10CA
#define E1000_DEV_ID_82576_VF_HV		0x152D
#define E1000_DEV_ID_I350_VF			0x1520
#define E1000_DEV_ID_I350_VF_HV			0x152F
#define E1000_DEV_ID_82575EB_COPPER		0x10A7
#define E1000_DEV_ID_82575EB_FIBER_SERDES	0x10A9
#define E1000_DEV_ID_82575GB_QUAD_COPPER	0x10D6
#define E1000_DEV_ID_82580_COPPER		0x150E
#define E1000_DEV_ID_82580_FIBER		0x150F
#define E1000_DEV_ID_82580_SERDES		0x1510
#define E1000_DEV_ID_82580_SGMII		0x1511
#define E1000_DEV_ID_82580_COPPER_DUAL		0x1516
#define E1000_DEV_ID_82580_QUAD_FIBER		0x1527
#define E1000_DEV_ID_I350_COPPER		0x1521
#define E1000_DEV_ID_I350_FIBER			0x1522
#define E1000_DEV_ID_I350_SERDES		0x1523
#define E1000_DEV_ID_I350_SGMII			0x1524
#define E1000_DEV_ID_I350_DA4			0x1546
#define E1000_DEV_ID_I210_COPPER		0x1533
#define E1000_DEV_ID_I210_COPPER_OEM1		0x1534
#define E1000_DEV_ID_I210_COPPER_IT		0x1535
#define E1000_DEV_ID_I210_FIBER			0x1536
#define E1000_DEV_ID_I210_SERDES		0x1537
#define E1000_DEV_ID_I210_SGMII			0x1538
#define E1000_DEV_ID_I210_COPPER_FLASHLESS	0x157B
#define E1000_DEV_ID_I210_SERDES_FLASHLESS	0x157C
#define E1000_DEV_ID_I210_SGMII_FLASHLESS	0x15F6
#define E1000_DEV_ID_I211_COPPER		0x1539
#define E1000_DEV_ID_I354_BACKPLANE_1GBPS	0x1F40
#define E1000_DEV_ID_I354_SGMII			0x1F41
#define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS	0x1F45
#define E1000_DEV_ID_DH89XXCC_SGMII		0x0438
#define E1000_DEV_ID_DH89XXCC_SERDES		0x043A
#define E1000_DEV_ID_DH89XXCC_BACKPLANE		0x043C
#define E1000_DEV_ID_DH89XXCC_SFP		0x0440

#define E1000_REVISION_0	0
#define E1000_REVISION_1	1
#define E1000_REVISION_2	2
#define E1000_REVISION_3	3
#define E1000_REVISION_4	4

#define E1000_FUNC_0		0
#define E1000_FUNC_1		1
#define E1000_FUNC_2		2
#define E1000_FUNC_3		3

#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0	0
#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1	3
#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2	6
#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3	9

enum e1000_mac_type {
	e1000_undefined = 0,
	e1000_82542,
	e1000_82543,
	e1000_82544,
	e1000_82540,
	e1000_82545,
	e1000_82545_rev_3,
	e1000_82546,
	e1000_82546_rev_3,
	e1000_82541,
	e1000_82541_rev_2,
	e1000_82547,
	e1000_82547_rev_2,
	e1000_82571,
	e1000_82572,
	e1000_82573,
	e1000_82574,
	e1000_82583,
	e1000_80003es2lan,
	e1000_ich8lan,
	e1000_ich9lan,
	e1000_ich10lan,
	e1000_pchlan,
	e1000_pch2lan,
	e1000_pch_lpt,
	e1000_pch_spt,
	e1000_pch_cnp,
	e1000_pch_tgp,
	e1000_pch_adp,
	e1000_pch_mtp,
	e1000_pch_ptp,
	e1000_82575,
	e1000_82576,
	e1000_82580,
	e1000_i350,
	e1000_i354,
	e1000_i210,
	e1000_i211,
	e1000_vfadapt,
	e1000_vfadapt_i350,
	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
};

enum e1000_media_type {
	e1000_media_type_unknown = 0,
	e1000_media_type_copper = 1,
	e1000_media_type_fiber = 2,
	e1000_media_type_internal_serdes = 3,
	e1000_num_media_types
};

enum e1000_nvm_type {
	e1000_nvm_unknown = 0,
	e1000_nvm_none,
	e1000_nvm_eeprom_spi,
	e1000_nvm_eeprom_microwire,
	e1000_nvm_flash_hw,
	e1000_nvm_invm,
	e1000_nvm_flash_sw
};

enum e1000_nvm_override {
	e1000_nvm_override_none = 0,
	e1000_nvm_override_spi_small,
	e1000_nvm_override_spi_large,
	e1000_nvm_override_microwire_small,
	e1000_nvm_override_microwire_large
};

enum e1000_phy_type {
	e1000_phy_unknown = 0,
	e1000_phy_none,
	e1000_phy_m88,
	e1000_phy_igp,
	e1000_phy_igp_2,
	e1000_phy_gg82563,
	e1000_phy_igp_3,
	e1000_phy_ife,
	e1000_phy_bm,
	e1000_phy_82578,
	e1000_phy_82577,
	e1000_phy_82579,
	e1000_phy_i217,
	e1000_phy_82580,
	e1000_phy_vf,
	e1000_phy_i210,
};

enum e1000_bus_type {
	e1000_bus_type_unknown = 0,
	e1000_bus_type_pci,
	e1000_bus_type_pcix,
	e1000_bus_type_pci_express,
	e1000_bus_type_reserved
};

enum e1000_bus_speed {
	e1000_bus_speed_unknown = 0,
	e1000_bus_speed_33,
	e1000_bus_speed_66,
	e1000_bus_speed_100,
	e1000_bus_speed_120,
	e1000_bus_speed_133,
	e1000_bus_speed_2500,
	e1000_bus_speed_5000,
	e1000_bus_speed_reserved
};

enum e1000_bus_width {
	e1000_bus_width_unknown = 0,
	e1000_bus_width_pcie_x1,
	e1000_bus_width_pcie_x2,
	e1000_bus_width_pcie_x4 = 4,
	e1000_bus_width_pcie_x8 = 8,
	e1000_bus_width_32,
	e1000_bus_width_64,
	e1000_bus_width_reserved
};

enum e1000_1000t_rx_status {
	e1000_1000t_rx_status_not_ok = 0,
	e1000_1000t_rx_status_ok,
	e1000_1000t_rx_status_undefined = 0xFF
};

enum e1000_rev_polarity {
	e1000_rev_polarity_normal = 0,
	e1000_rev_polarity_reversed,
	e1000_rev_polarity_undefined = 0xFF
};

enum e1000_fc_mode {
	e1000_fc_none = 0,
	e1000_fc_rx_pause,
	e1000_fc_tx_pause,
	e1000_fc_full,
	e1000_fc_default = 0xFF
};

enum e1000_ffe_config {
	e1000_ffe_config_enabled = 0,
	e1000_ffe_config_active,
	e1000_ffe_config_blocked
};

enum e1000_dsp_config {
	e1000_dsp_config_disabled = 0,
	e1000_dsp_config_enabled,
	e1000_dsp_config_activated,
	e1000_dsp_config_undefined = 0xFF
};

enum e1000_ms_type {
	e1000_ms_hw_default = 0,
	e1000_ms_force_master,
	e1000_ms_force_slave,
	e1000_ms_auto
};

enum e1000_smart_speed {
	e1000_smart_speed_default = 0,
	e1000_smart_speed_on,
	e1000_smart_speed_off
};

enum e1000_serdes_link_state {
	e1000_serdes_link_down = 0,
	e1000_serdes_link_autoneg_progress,
	e1000_serdes_link_autoneg_complete,
	e1000_serdes_link_forced_up
};

#define __le16 u16
#define __le32 u32
#define __le64 u64
/* Receive Descriptor */
struct e1000_rx_desc {
	__le64 buffer_addr; /* Address of the descriptor's data buffer */
	__le16 length;      /* Length of data DMAed into data buffer */
	__le16 csum; /* Packet checksum */
	u8  status;  /* Descriptor status */
	u8  errors;  /* Descriptor Errors */
	__le16 special;
};

/* Receive Descriptor - Extended */
union e1000_rx_desc_extended {
	struct {
		__le64 buffer_addr;
		__le64 reserved;
	} read;
	struct {
		struct {
			__le32 mrq; /* Multiple Rx Queues */
			union {
				__le32 rss; /* RSS Hash */
				struct {
					__le16 ip_id;  /* IP id */
					__le16 csum;   /* Packet Checksum */
				} csum_ip;
			} hi_dword;
		} lower;
		struct {
			__le32 status_error;  /* ext status/error */
			__le16 length;
			__le16 vlan; /* VLAN tag */
		} upper;
	} wb;  /* writeback */
};

#define MAX_PS_BUFFERS 4

/* Number of packet split data buffers (not including the header buffer) */
#define PS_PAGE_BUFFERS	(MAX_PS_BUFFERS - 1)

/* Receive Descriptor - Packet Split */
union e1000_rx_desc_packet_split {
	struct {
		/* one buffer for protocol header(s), three data buffers */
		__le64 buffer_addr[MAX_PS_BUFFERS];
	} read;
	struct {
		struct {
			__le32 mrq;  /* Multiple Rx Queues */
			union {
				__le32 rss; /* RSS Hash */
				struct {
					__le16 ip_id;    /* IP id */
					__le16 csum;     /* Packet Checksum */
				} csum_ip;
			} hi_dword;
		} lower;
		struct {
			__le32 status_error;  /* ext status/error */
			__le16 length0;  /* length of buffer 0 */
			__le16 vlan;  /* VLAN tag */
		} middle;
		struct {
			__le16 header_status;
			/* length of buffers 1-3 */
			__le16 length[PS_PAGE_BUFFERS];
		} upper;
		__le64 reserved;
	} wb; /* writeback */
};

/* Transmit Descriptor */
struct e1000_tx_desc {
	__le64 buffer_addr;   /* Address of the descriptor's data buffer */
	union {
		__le32 data;
		struct {
			__le16 length;  /* Data buffer length */
			u8 cso;  /* Checksum offset */
			u8 cmd;  /* Descriptor control */
		} flags;
	} lower;
	union {
		__le32 data;
		struct {
			u8 status; /* Descriptor status */
			u8 css;  /* Checksum start */
			__le16 special;
		} fields;
	} upper;
};

/* Offload Context Descriptor */
struct e1000_context_desc {
	union {
		__le32 ip_config;
		struct {
			u8 ipcss;  /* IP checksum start */
			u8 ipcso;  /* IP checksum offset */
			__le16 ipcse;  /* IP checksum end */
		} ip_fields;
	} lower_setup;
	union {
		__le32 tcp_config;
		struct {
			u8 tucss;  /* TCP checksum start */
			u8 tucso;  /* TCP checksum offset */
			__le16 tucse;  /* TCP checksum end */
		} tcp_fields;
	} upper_setup;
	__le32 cmd_and_length;
	union {
		__le32 data;
		struct {
			u8 status;  /* Descriptor status */
			u8 hdr_len;  /* Header length */
			__le16 mss;  /* Maximum segment size */
		} fields;
	} tcp_seg_setup;
};

/* Offload data descriptor */
struct e1000_data_desc {
	__le64 buffer_addr;  /* Address of the descriptor's buffer address */
	union {
		__le32 data;
		struct {
			__le16 length;  /* Data buffer length */
			u8 typ_len_ext;
			u8 cmd;
		} flags;
	} lower;
	union {
		__le32 data;
		struct {
			u8 status;  /* Descriptor status */
			u8 popts;  /* Packet Options */
			__le16 special;
		} fields;
	} upper;
};

/* Statistics counters collected by the MAC */
struct e1000_hw_stats {
	u64 crcerrs;
	u64 algnerrc;
	u64 symerrs;
	u64 rxerrc;
	u64 mpc;
	u64 scc;
	u64 ecol;
	u64 mcc;
	u64 latecol;
	u64 colc;
	u64 dc;
	u64 tncrs;
	u64 sec;
	u64 cexterr;
	u64 rlec;
	u64 xonrxc;
	u64 xontxc;
	u64 xoffrxc;
	u64 xofftxc;
	u64 fcruc;
	u64 prc64;
	u64 prc127;
	u64 prc255;
	u64 prc511;
	u64 prc1023;
	u64 prc1522;
	u64 gprc;
	u64 bprc;
	u64 mprc;
	u64 gptc;
	u64 gorc;
	u64 gotc;
	u64 rnbc;
	u64 ruc;
	u64 rfc;
	u64 roc;
	u64 rjc;
	u64 mgprc;
	u64 mgpdc;
	u64 mgptc;
	u64 tor;
	u64 tot;
	u64 tpr;
	u64 tpt;
	u64 ptc64;
	u64 ptc127;
	u64 ptc255;
	u64 ptc511;
	u64 ptc1023;
	u64 ptc1522;
	u64 mptc;
	u64 bptc;
	u64 tsctc;
	u64 tsctfc;
	u64 iac;
	u64 icrxptc;
	u64 icrxatc;
	u64 ictxptc;
	u64 ictxatc;
	u64 ictxqec;
	u64 ictxqmtc;
	u64 icrxdmtc;
	u64 icrxoc;
	u64 cbtmpc;
	u64 htdpmc;
	u64 cbrdpc;
	u64 cbrmpc;
	u64 rpthc;
	u64 hgptc;
	u64 htcbdpc;
	u64 hgorc;
	u64 hgotc;
	u64 lenerrs;
	u64 scvpc;
	u64 hrmpc;
	u64 doosync;
	u64 o2bgptc;
	u64 o2bspc;
	u64 b2ospc;
	u64 b2ogprc;
};

struct e1000_vf_stats {
	u64 base_gprc;
	u64 base_gptc;
	u64 base_gorc;
	u64 base_gotc;
	u64 base_mprc;
	u64 base_gotlbc;
	u64 base_gptlbc;
	u64 base_gorlbc;
	u64 base_gprlbc;

	u32 last_gprc;
	u32 last_gptc;
	u32 last_gorc;
	u32 last_gotc;
	u32 last_mprc;
	u32 last_gotlbc;
	u32 last_gptlbc;
	u32 last_gorlbc;
	u32 last_gprlbc;

	u64 gprc;
	u64 gptc;
	u64 gorc;
	u64 gotc;
	u64 mprc;
	u64 gotlbc;
	u64 gptlbc;
	u64 gorlbc;
	u64 gprlbc;
};

struct e1000_phy_stats {
	u32 idle_errors;
	u32 receive_errors;
};

struct e1000_host_mng_dhcp_cookie {
	u32 signature;
	u8  status;
	u8  reserved0;
	u16 vlan_id;
	u32 reserved1;
	u16 reserved2;
	u8  reserved3;
	u8  checksum;
};

/* Host Interface "Rev 1" */
struct e1000_host_command_header {
	u8 command_id;
	u8 command_length;
	u8 command_options;
	u8 checksum;
};

#define E1000_HI_MAX_DATA_LENGTH	252
struct e1000_host_command_info {
	struct e1000_host_command_header command_header;
	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
};

/* Host Interface "Rev 2" */
struct e1000_host_mng_command_header {
	u8  command_id;
	u8  checksum;
	u16 reserved1;
	u16 reserved2;
	u16 command_length;
};

#define E1000_HI_MAX_MNG_DATA_LENGTH	0x6F8
struct e1000_host_mng_command_info {
	struct e1000_host_mng_command_header command_header;
	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
};

#include "e1000_mac.h"
#include "e1000_phy.h"
#include "e1000_nvm.h"
#include "e1000_manage.h"
#include "e1000_mbx.h"

/* Function pointers for the MAC. */
struct e1000_mac_operations {
	s32  (*init_params)(struct e1000_hw *);
	s32  (*id_led_init)(struct e1000_hw *);
	s32  (*blink_led)(struct e1000_hw *);
	bool (*check_mng_mode)(struct e1000_hw *);
	s32  (*check_for_link)(struct e1000_hw *);
	s32  (*cleanup_led)(struct e1000_hw *);
	void (*clear_hw_cntrs)(struct e1000_hw *);
	void (*clear_vfta)(struct e1000_hw *);
	s32  (*get_bus_info)(struct e1000_hw *);
	void (*set_lan_id)(struct e1000_hw *);
	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
	s32  (*led_on)(struct e1000_hw *);
	s32  (*led_off)(struct e1000_hw *);
	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32);
	s32  (*reset_hw)(struct e1000_hw *);
	s32  (*init_hw)(struct e1000_hw *);
	void (*shutdown_serdes)(struct e1000_hw *);
	void (*power_up_serdes)(struct e1000_hw *);
	s32  (*setup_link)(struct e1000_hw *);
	s32  (*setup_physical_interface)(struct e1000_hw *);
	s32  (*setup_led)(struct e1000_hw *);
	void (*write_vfta)(struct e1000_hw *, u32, u32);
	void (*config_collision_dist)(struct e1000_hw *);
	int  (*rar_set)(struct e1000_hw *, u8*, u32);
	s32  (*read_mac_addr)(struct e1000_hw *);
	s32  (*validate_mdi_setting)(struct e1000_hw *);
	s32  (*set_obff_timer)(struct e1000_hw *, u32);
	s32  (*acquire_swfw_sync)(struct e1000_hw *, u16);
	void (*release_swfw_sync)(struct e1000_hw *, u16);
};

/* When to use various PHY register access functions:
 *
 *                 Func   Caller
 *   Function      Does   Does    When to use
 *   ~~~~~~~~~~~~  ~~~~~  ~~~~~~  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *   X_reg         L,P,A  n/a     for simple PHY reg accesses
 *   X_reg_locked  P,A    L       for multiple accesses of different regs
 *                                on different pages
 *   X_reg_page    A      L,P     for multiple accesses of different regs
 *                                on the same page
 *
 * Where X=[read|write], L=locking, P=sets page, A=register access
 *
 */
struct e1000_phy_operations {
	s32  (*init_params)(struct e1000_hw *);
	s32  (*acquire)(struct e1000_hw *);
	s32  (*cfg_on_link_up)(struct e1000_hw *);
	s32  (*check_polarity)(struct e1000_hw *);
	s32  (*check_reset_block)(struct e1000_hw *);
	s32  (*commit)(struct e1000_hw *);
	s32  (*force_speed_duplex)(struct e1000_hw *);
	s32  (*get_cfg_done)(struct e1000_hw *hw);
	s32  (*get_cable_length)(struct e1000_hw *);
	s32  (*get_info)(struct e1000_hw *);
	s32  (*set_page)(struct e1000_hw *, u16);
	s32  (*read_reg)(struct e1000_hw *, u32, u16 *);
	s32  (*read_reg_locked)(struct e1000_hw *, u32, u16 *);
	s32  (*read_reg_page)(struct e1000_hw *, u32, u16 *);
	void (*release)(struct e1000_hw *);
	s32  (*reset)(struct e1000_hw *);
	s32  (*set_d0_lplu_state)(struct e1000_hw *, bool);
	s32  (*set_d3_lplu_state)(struct e1000_hw *, bool);
	s32  (*write_reg)(struct e1000_hw *, u32, u16);
	s32  (*write_reg_locked)(struct e1000_hw *, u32, u16);
	s32  (*write_reg_page)(struct e1000_hw *, u32, u16);
	void (*power_up)(struct e1000_hw *);
	void (*power_down)(struct e1000_hw *);
	s32 (*read_i2c_byte)(struct e1000_hw *, u8, u8, u8 *);
	s32 (*write_i2c_byte)(struct e1000_hw *, u8, u8, u8);
};

/* Function pointers for the NVM. */
struct e1000_nvm_operations {
	s32  (*init_params)(struct e1000_hw *);
	s32  (*acquire)(struct e1000_hw *);
	s32  (*read)(struct e1000_hw *, u16, u16, u16 *);
	void (*release)(struct e1000_hw *);
	void (*reload)(struct e1000_hw *);
	s32  (*update)(struct e1000_hw *);
	s32  (*valid_led_default)(struct e1000_hw *, u16 *);
	s32  (*validate)(struct e1000_hw *);
	s32  (*write)(struct e1000_hw *, u16, u16, u16 *);
};

struct e1000_mac_info {
	struct e1000_mac_operations ops;
	u8 addr[ETHER_ADDR_LEN];
	u8 perm_addr[ETHER_ADDR_LEN];

	enum e1000_mac_type type;

	u32 collision_delta;
	u32 ledctl_default;
	u32 ledctl_mode1;
	u32 ledctl_mode2;
	u32 mc_filter_type;
	u32 tx_packet_delta;
	u32 txcw;

	u16 current_ifs_val;
	u16 ifs_max_val;
	u16 ifs_min_val;
	u16 ifs_ratio;
	u16 ifs_step_size;
	u16 mta_reg_count;
	u16 uta_reg_count;

	/* Maximum size of the MTA register table in all supported adapters */
#define MAX_MTA_REG 128
	u32 mta_shadow[MAX_MTA_REG];
	u16 rar_entry_count;

	u8  forced_speed_duplex;

	bool adaptive_ifs;
	bool has_fwsm;
	bool arc_subsystem_valid;
	bool asf_firmware_present;
	bool autoneg;
	bool autoneg_failed;
	bool get_link_status;
	bool in_ifs_mode;
	bool report_tx_early;
	enum e1000_serdes_link_state serdes_link_state;
	bool serdes_has_link;
	bool tx_pkt_filtering;
	u32  max_frame_size;
};

struct e1000_phy_info {
	struct e1000_phy_operations ops;
	enum e1000_phy_type type;

	enum e1000_1000t_rx_status local_rx;
	enum e1000_1000t_rx_status remote_rx;
	enum e1000_ms_type ms_type;
	enum e1000_ms_type original_ms_type;
	enum e1000_rev_polarity cable_polarity;
	enum e1000_smart_speed smart_speed;

	u32 addr;
	u32 id;
	u32 reset_delay_us; /* in usec */
	u32 revision;

	enum e1000_media_type media_type;

	u16 autoneg_advertised;
	u16 autoneg_mask;
	u16 cable_length;
	u16 max_cable_length;
	u16 min_cable_length;

	u8 mdix;

	bool disable_polarity_correction;
	bool is_mdix;
	bool polarity_correction;
	bool speed_downgraded;
	bool autoneg_wait_to_complete;
};

struct e1000_nvm_info {
	struct e1000_nvm_operations ops;
	enum e1000_nvm_type type;
	enum e1000_nvm_override override;

	u32 flash_bank_size;
	u32 flash_base_addr;

	u16 word_size;
	u16 delay_usec;
	u16 address_bits;
	u16 opcode_bits;
	u16 page_size;
};

struct e1000_bus_info {
	enum e1000_bus_type type;
	enum e1000_bus_speed speed;
	enum e1000_bus_width width;

	u16 func;
	u16 pci_cmd_word;
};

struct e1000_fc_info {
	u32 high_water;  /* Flow control high-water mark */
	u32 low_water;  /* Flow control low-water mark */
	u16 pause_time;  /* Flow control pause timer */
	u16 refresh_time;  /* Flow control refresh timer */
	bool send_xon;  /* Flow control send XON */
	bool strict_ieee;  /* Strict IEEE mode */
	enum e1000_fc_mode current_mode;  /* FC mode in effect */
	enum e1000_fc_mode requested_mode;  /* FC mode requested by caller */
};

struct e1000_mbx_operations {
	s32 (*init_params)(struct e1000_hw *hw);
	s32 (*read)(struct e1000_hw *, u32 *, u16,  u16);
	s32 (*write)(struct e1000_hw *, u32 *, u16, u16);
	s32 (*read_posted)(struct e1000_hw *, u32 *, u16,  u16);
	s32 (*write_posted)(struct e1000_hw *, u32 *, u16, u16);
	s32 (*check_for_msg)(struct e1000_hw *, u16);
	s32 (*check_for_ack)(struct e1000_hw *, u16);
	s32 (*check_for_rst)(struct e1000_hw *, u16);
};

struct e1000_mbx_stats {
	u32 msgs_tx;
	u32 msgs_rx;

	u32 acks;
	u32 reqs;
	u32 rsts;
};

struct e1000_mbx_info {
	struct e1000_mbx_operations ops;
	struct e1000_mbx_stats stats;
	u32 timeout;
	u32 usec_delay;
	u16 size;
};

struct e1000_dev_spec_82541 {
	enum e1000_dsp_config dsp_config;
	enum e1000_ffe_config ffe_config;
	u16 spd_default;
	bool phy_init_script;
};

struct e1000_dev_spec_82542 {
	bool dma_fairness;
};

struct e1000_dev_spec_82543 {
	u32  tbi_compatibility;
	bool dma_fairness;
	bool init_phy_disabled;
};

struct e1000_dev_spec_82571 {
	bool laa_is_present;
	u32 smb_counter;
};

struct e1000_dev_spec_80003es2lan {
	bool  mdic_wa_enable;
};

struct e1000_shadow_ram {
	u16  value;
	bool modified;
};

#define E1000_SHADOW_RAM_WORDS		2048

/* I218 PHY Ultra Low Power (ULP) states */
enum e1000_ulp_state {
	e1000_ulp_state_unknown,
	e1000_ulp_state_off,
	e1000_ulp_state_on,
};

struct e1000_dev_spec_ich8lan {
	bool kmrn_lock_loss_workaround_enabled;
	struct e1000_shadow_ram shadow_ram[E1000_SHADOW_RAM_WORDS];
	bool nvm_k1_enabled;
	bool disable_k1_off;
	bool eee_disable;
	u16 eee_lp_ability;
	enum e1000_ulp_state ulp_state;
	bool ulp_capability_disabled;
	bool during_suspend_flow;
	bool smbus_disable;
};

struct e1000_dev_spec_82575 {
	bool sgmii_active;
	bool global_device_reset;
	bool eee_disable;
	bool module_plugged;
	bool clear_semaphore_once;
	u32 mtu;
	struct sfp_e1000_flags eth_flags;
	u8 media_port;
	bool media_changed;
};

struct e1000_dev_spec_vf {
	u32 vf_number;
	u32 v2p_mailbox;
};

struct e1000_hw {
	void *back;

	u8 *hw_addr;
	u8 *flash_address;
	unsigned long io_base;

	struct e1000_mac_info  mac;
	struct e1000_fc_info   fc;
	struct e1000_phy_info  phy;
	struct e1000_nvm_info  nvm;
	struct e1000_bus_info  bus;
	struct e1000_mbx_info mbx;
	struct e1000_host_mng_dhcp_cookie mng_cookie;

	union {
		struct e1000_dev_spec_82541 _82541;
		struct e1000_dev_spec_82542 _82542;
		struct e1000_dev_spec_82543 _82543;
		struct e1000_dev_spec_82571 _82571;
		struct e1000_dev_spec_80003es2lan _80003es2lan;
		struct e1000_dev_spec_ich8lan ich8lan;
		struct e1000_dev_spec_82575 _82575;
		struct e1000_dev_spec_vf vf;
	} dev_spec;

	u16 device_id;
	u16 subsystem_vendor_id;
	u16 subsystem_device_id;
	u16 vendor_id;

	u8  revision_id;
};

#include "e1000_82541.h"
#include "e1000_82543.h"
#include "e1000_82571.h"
#include "e1000_80003es2lan.h"
#include "e1000_ich8lan.h"
#include "e1000_82575.h"
#include "e1000_i210.h"
#include "e1000_base.h"

/* These functions must be implemented by drivers */
void e1000_pci_clear_mwi(struct e1000_hw *hw);
void e1000_pci_set_mwi(struct e1000_hw *hw);
s32  e1000_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
s32  e1000_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
void e1000_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
void e1000_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);

__END_CDECLS

#endif