linux/drivers/net/ethernet/intel/igb/e1000_mbx.h
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   1/* Intel(R) Gigabit Ethernet Linux driver
   2 * Copyright(c) 2007-2014 Intel Corporation.
   3 *
   4 * This program is free software; you can redistribute it and/or modify it
   5 * under the terms and conditions of the GNU General Public License,
   6 * version 2, as published by the Free Software Foundation.
   7 *
   8 * This program is distributed in the hope it will be useful, but WITHOUT
   9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11 * more details.
  12 *
  13 * You should have received a copy of the GNU General Public License along with
  14 * this program; if not, see <http://www.gnu.org/licenses/>.
  15 *
  16 * The full GNU General Public License is included in this distribution in
  17 * the file called "COPYING".
  18 *
  19 * Contact Information:
  20 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  21 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  22 */
  23
  24#ifndef _E1000_MBX_H_
  25#define _E1000_MBX_H_
  26
  27#include "e1000_hw.h"
  28
  29#define E1000_P2VMAILBOX_STS    0x00000001 /* Initiate message send to VF */
  30#define E1000_P2VMAILBOX_ACK    0x00000002 /* Ack message recv'd from VF */
  31#define E1000_P2VMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
  32#define E1000_P2VMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
  33#define E1000_P2VMAILBOX_RVFU   0x00000010 /* Reset VFU - used when VF stuck */
  34
  35#define E1000_MBVFICR_VFREQ_MASK        0x000000FF /* bits for VF messages */
  36#define E1000_MBVFICR_VFREQ_VF1         0x00000001 /* bit for VF 1 message */
  37#define E1000_MBVFICR_VFACK_MASK        0x00FF0000 /* bits for VF acks */
  38#define E1000_MBVFICR_VFACK_VF1         0x00010000 /* bit for VF 1 ack */
  39
  40#define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  41
  42/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
  43 * PF.  The reverse is true if it is E1000_PF_*.
  44 * Message ACK's are the value or'd with 0xF0000000
  45 */
  46/* Messages below or'd with this are the ACK */
  47#define E1000_VT_MSGTYPE_ACK    0x80000000
  48/* Messages below or'd with this are the NACK */
  49#define E1000_VT_MSGTYPE_NACK   0x40000000
  50/* Indicates that VF is still clear to send requests */
  51#define E1000_VT_MSGTYPE_CTS    0x20000000
  52#define E1000_VT_MSGINFO_SHIFT  16
  53/* bits 23:16 are used for exra info for certain messages */
  54#define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
  55
  56#define E1000_VF_RESET          0x01 /* VF requests reset */
  57#define E1000_VF_SET_MAC_ADDR   0x02 /* VF requests to set MAC addr */
  58#define E1000_VF_SET_MULTICAST  0x03 /* VF requests to set MC addr */
  59#define E1000_VF_SET_VLAN       0x04 /* VF requests to set VLAN */
  60#define E1000_VF_SET_LPE        0x05 /* VF requests to set VMOLR.LPE */
  61#define E1000_VF_SET_PROMISC    0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
  62#define E1000_VF_SET_PROMISC_MULTICAST  (0x02 << E1000_VT_MSGINFO_SHIFT)
  63
  64#define E1000_PF_CONTROL_MSG    0x0100 /* PF control message */
  65
  66s32 igb_read_mbx(struct e1000_hw *, u32 *, u16, u16);
  67s32 igb_write_mbx(struct e1000_hw *, u32 *, u16, u16);
  68s32 igb_check_for_msg(struct e1000_hw *, u16);
  69s32 igb_check_for_ack(struct e1000_hw *, u16);
  70s32 igb_check_for_rst(struct e1000_hw *, u16);
  71s32 igb_init_mbx_params_pf(struct e1000_hw *);
  72
  73#endif /* _E1000_MBX_H_ */
  74