265 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			265 lines
		
	
	
		
			6.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*******************************************************************************
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| 
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|   Intel(R) 82576 Virtual Function Linux driver
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|   Copyright(c) 2009 Intel Corporation.
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| 
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|   This program is free software; you can redistribute it and/or modify it
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|   under the terms and conditions of the GNU General Public License,
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|   version 2, as published by the Free Software Foundation.
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| 
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|   This program is distributed in the hope it will be useful, but WITHOUT
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|   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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|   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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|   more details.
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| 
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|   You should have received a copy of the GNU General Public License along with
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|   this program; if not, write to the Free Software Foundation, Inc.,
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|   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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| 
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|   The full GNU General Public License is included in this distribution in
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|   the file called "COPYING".
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| 
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|   Contact Information:
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|   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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|   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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| 
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| *******************************************************************************/
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| 
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| #ifndef _E1000_VF_H_
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| #define _E1000_VF_H_
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| 
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| #include <linux/pci.h>
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| #include <linux/delay.h>
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| #include <linux/interrupt.h>
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| #include <linux/if_ether.h>
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| 
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| #include "regs.h"
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| #include "defines.h"
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| 
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| struct e1000_hw;
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| 
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| #define E1000_DEV_ID_82576_VF                 0x10CA
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| #define E1000_REVISION_0 0
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| #define E1000_REVISION_1 1
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| #define E1000_REVISION_2 2
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| #define E1000_REVISION_3 3
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| #define E1000_REVISION_4 4
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| 
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| #define E1000_FUNC_0     0
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| #define E1000_FUNC_1     1
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| 
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| /*
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|  * Receive Address Register Count
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|  * Number of high/low register pairs in the RAR.  The RAR (Receive Address
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|  * Registers) holds the directed and multicast addresses that we monitor.
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|  * These entries are also used for MAC-based filtering.
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|  */
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| #define E1000_RAR_ENTRIES_VF      1
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| 
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| /* Receive Descriptor - Advanced */
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| union e1000_adv_rx_desc {
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| 	struct {
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| 		u64 pkt_addr;             /* Packet buffer address */
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| 		u64 hdr_addr;             /* Header buffer address */
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| 	} read;
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| 	struct {
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| 		struct {
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| 			union {
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| 				u32 data;
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| 				struct {
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| 					u16 pkt_info; /* RSS/Packet type */
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| 					u16 hdr_info; /* Split Header,
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| 					               * hdr buffer length */
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| 				} hs_rss;
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| 			} lo_dword;
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| 			union {
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| 				u32 rss;          /* RSS Hash */
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| 				struct {
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| 					u16 ip_id;    /* IP id */
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| 					u16 csum;     /* Packet Checksum */
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| 				} csum_ip;
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| 			} hi_dword;
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| 		} lower;
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| 		struct {
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| 			u32 status_error;     /* ext status/error */
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| 			u16 length;           /* Packet length */
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| 			u16 vlan;             /* VLAN tag */
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| 		} upper;
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| 	} wb;  /* writeback */
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| };
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| 
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| #define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
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| #define E1000_RXDADV_HDRBUFLEN_SHIFT     5
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| 
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| /* Transmit Descriptor - Advanced */
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| union e1000_adv_tx_desc {
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| 	struct {
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| 		u64 buffer_addr;    /* Address of descriptor's data buf */
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| 		u32 cmd_type_len;
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| 		u32 olinfo_status;
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| 	} read;
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| 	struct {
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| 		u64 rsvd;       /* Reserved */
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| 		u32 nxtseq_seed;
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| 		u32 status;
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| 	} wb;
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| };
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| 
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| /* Adv Transmit Descriptor Config Masks */
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| #define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
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| #define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
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| #define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
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| #define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
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| #define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
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| #define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
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| #define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
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| #define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
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| #define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
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| 
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| /* Context descriptors */
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| struct e1000_adv_tx_context_desc {
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| 	u32 vlan_macip_lens;
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| 	u32 seqnum_seed;
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| 	u32 type_tucmd_mlhl;
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| 	u32 mss_l4len_idx;
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| };
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| 
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| #define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
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| #define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
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| #define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
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| #define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
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| #define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
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| 
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| enum e1000_mac_type {
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| 	e1000_undefined = 0,
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| 	e1000_vfadapt,
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| 	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
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| };
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| 
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| struct e1000_vf_stats {
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| 	u64 base_gprc;
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| 	u64 base_gptc;
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| 	u64 base_gorc;
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| 	u64 base_gotc;
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| 	u64 base_mprc;
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| 	u64 base_gotlbc;
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| 	u64 base_gptlbc;
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| 	u64 base_gorlbc;
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| 	u64 base_gprlbc;
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| 
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| 	u32 last_gprc;
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| 	u32 last_gptc;
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| 	u32 last_gorc;
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| 	u32 last_gotc;
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| 	u32 last_mprc;
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| 	u32 last_gotlbc;
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| 	u32 last_gptlbc;
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| 	u32 last_gorlbc;
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| 	u32 last_gprlbc;
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| 
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| 	u64 gprc;
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| 	u64 gptc;
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| 	u64 gorc;
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| 	u64 gotc;
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| 	u64 mprc;
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| 	u64 gotlbc;
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| 	u64 gptlbc;
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| 	u64 gorlbc;
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| 	u64 gprlbc;
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| };
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| 
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| #include "mbx.h"
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| 
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| struct e1000_mac_operations {
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| 	/* Function pointers for the MAC. */
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| 	s32  (*init_params)(struct e1000_hw *);
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| 	s32  (*check_for_link)(struct e1000_hw *);
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| 	void (*clear_vfta)(struct e1000_hw *);
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| 	s32  (*get_bus_info)(struct e1000_hw *);
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| 	s32  (*get_link_up_info)(struct e1000_hw *, u16 *, u16 *);
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| 	void (*update_mc_addr_list)(struct e1000_hw *, u8 *, u32, u32, u32);
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| 	s32  (*reset_hw)(struct e1000_hw *);
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| 	s32  (*init_hw)(struct e1000_hw *);
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| 	s32  (*setup_link)(struct e1000_hw *);
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| 	void (*write_vfta)(struct e1000_hw *, u32, u32);
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| 	void (*mta_set)(struct e1000_hw *, u32);
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| 	void (*rar_set)(struct e1000_hw *, u8*, u32);
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| 	s32  (*read_mac_addr)(struct e1000_hw *);
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| 	s32  (*set_vfta)(struct e1000_hw *, u16, bool);
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| };
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| 
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| struct e1000_mac_info {
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| 	struct e1000_mac_operations ops;
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| 	u8 addr[6];
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| 	u8 perm_addr[6];
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| 
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| 	enum e1000_mac_type type;
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| 
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| 	u16 mta_reg_count;
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| 	u16 rar_entry_count;
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| 
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| 	bool get_link_status;
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| };
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| 
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| struct e1000_mbx_operations {
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| 	s32 (*init_params)(struct e1000_hw *hw);
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| 	s32 (*read)(struct e1000_hw *, u32 *, u16);
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| 	s32 (*write)(struct e1000_hw *, u32 *, u16);
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| 	s32 (*read_posted)(struct e1000_hw *, u32 *, u16);
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| 	s32 (*write_posted)(struct e1000_hw *, u32 *, u16);
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| 	s32 (*check_for_msg)(struct e1000_hw *);
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| 	s32 (*check_for_ack)(struct e1000_hw *);
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| 	s32 (*check_for_rst)(struct e1000_hw *);
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| };
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| 
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| struct e1000_mbx_stats {
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| 	u32 msgs_tx;
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| 	u32 msgs_rx;
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| 
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| 	u32 acks;
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| 	u32 reqs;
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| 	u32 rsts;
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| };
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| 
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| struct e1000_mbx_info {
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| 	struct e1000_mbx_operations ops;
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| 	struct e1000_mbx_stats stats;
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| 	u32 timeout;
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| 	u32 usec_delay;
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| 	u16 size;
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| };
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| 
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| struct e1000_dev_spec_vf {
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| 	u32 vf_number;
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| 	u32 v2p_mailbox;
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| };
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| 
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| struct e1000_hw {
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| 	void *back;
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| 
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| 	u8 __iomem *hw_addr;
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| 	u8 __iomem *flash_address;
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| 	unsigned long io_base;
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| 
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| 	struct e1000_mac_info  mac;
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| 	struct e1000_mbx_info mbx;
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| 
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| 	union {
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| 		struct e1000_dev_spec_vf vf;
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| 	} dev_spec;
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| 
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| 	u16 device_id;
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| 	u16 subsystem_vendor_id;
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| 	u16 subsystem_device_id;
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| 	u16 vendor_id;
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| 
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| 	u8  revision_id;
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| };
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| 
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| /* These functions must be implemented by drivers */
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| void e1000_rlpml_set_vf(struct e1000_hw *, u16);
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| void e1000_init_function_pointers_vf(struct e1000_hw *hw);
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| 
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| 
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| #endif /* _E1000_VF_H_ */
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