cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/ethernet/intel/igb/e1000_mbx.h

/* Intel(R) Gigabit Ethernet Linux driver
 * Copyright(c) 2007-2014 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 _E1000_MBX_H_

#define _E1000_MBX_H_

#include "e1000_hw.h"


#define E1000_P2VMAILBOX_STS	0x00000001 
/* Initiate message send to VF */

#define E1000_P2VMAILBOX_ACK	0x00000002 
/* Ack message recv'd from VF */

#define E1000_P2VMAILBOX_VFU	0x00000004 
/* VF owns the mailbox buffer */

#define E1000_P2VMAILBOX_PFU	0x00000008 
/* PF owns the mailbox buffer */

#define E1000_P2VMAILBOX_RVFU	0x00000010 
/* Reset VFU - used when VF stuck */


#define E1000_MBVFICR_VFREQ_MASK	0x000000FF 
/* bits for VF messages */

#define E1000_MBVFICR_VFREQ_VF1		0x00000001 
/* bit for VF 1 message */

#define E1000_MBVFICR_VFACK_MASK	0x00FF0000 
/* bits for VF acks */

#define E1000_MBVFICR_VFACK_VF1		0x00010000 
/* bit for VF 1 ack */


#define E1000_VFMAILBOX_SIZE	16 
/* 16 32 bit words - 64 bytes */

/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
 * PF.  The reverse is true if it is E1000_PF_*.
 * Message ACK's are the value or'd with 0xF0000000
 */
/* Messages below or'd with this are the ACK */

#define E1000_VT_MSGTYPE_ACK	0x80000000
/* Messages below or'd with this are the NACK */

#define E1000_VT_MSGTYPE_NACK	0x40000000
/* Indicates that VF is still clear to send requests */

#define E1000_VT_MSGTYPE_CTS	0x20000000

#define E1000_VT_MSGINFO_SHIFT	16
/* bits 23:16 are used for exra info for certain messages */

#define E1000_VT_MSGINFO_MASK	(0xFF << E1000_VT_MSGINFO_SHIFT)


#define E1000_VF_RESET		0x01 
/* VF requests reset */

#define E1000_VF_SET_MAC_ADDR	0x02 
/* VF requests to set MAC addr */

#define E1000_VF_SET_MULTICAST	0x03 
/* VF requests to set MC addr */

#define E1000_VF_SET_VLAN	0x04 
/* VF requests to set VLAN */

#define E1000_VF_SET_LPE	0x05 
/* VF requests to set VMOLR.LPE */

#define E1000_VF_SET_PROMISC	0x06 
/*VF requests to clear VMOLR.ROPE/MPME*/

#define E1000_VF_SET_PROMISC_MULTICAST	(0x02 << E1000_VT_MSGINFO_SHIFT)


#define E1000_PF_CONTROL_MSG	0x0100 
/* PF control message */

s32 igb_read_mbx(struct e1000_hw *, u32 *, u16, u16);
s32 igb_write_mbx(struct e1000_hw *, u32 *, u16, u16);
s32 igb_check_for_msg(struct e1000_hw *, u16);
s32 igb_check_for_ack(struct e1000_hw *, u16);
s32 igb_check_for_rst(struct e1000_hw *, u16);
s32 igb_init_mbx_params_pf(struct e1000_hw *);

#endif /* _E1000_MBX_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Alexander Duyck19197.95%250.00%
Jeff Kirsher31.54%125.00%
Carolyn Wyborny10.51%125.00%
Total195100.00%4100.00%
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