drivers/net/ethernet/intel/igbvf/mbx.h

   1 /*******************************************************************************
   2
   3   Intel(R) 82576 Virtual Function Linux driver
   4   Copyright(c) 1999 - 2012 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 #ifndef _E1000_MBX_H_
  29 #define _E1000_MBX_H_
  30
  31 #include "vf.h"
  32
  33 #define E1000_V2PMAILBOX_REQ   0x00000001 /* Request for PF Ready bit */
  34 #define E1000_V2PMAILBOX_ACK   0x00000002 /* Ack PF message received */
  35 #define E1000_V2PMAILBOX_VFU   0x00000004 /* VF owns the mailbox buffer */
  36 #define E1000_V2PMAILBOX_PFU   0x00000008 /* PF owns the mailbox buffer */
  37 #define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
  38 #define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
  39 #define E1000_V2PMAILBOX_RSTI  0x00000040 /* PF has reset indication */
  40 #define E1000_V2PMAILBOX_RSTD  0x00000080 /* PF has indicated reset done */
  41 #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
  42
  43 #define E1000_VFMAILBOX_SIZE   16 /* 16 32 bit words - 64 bytes */
  44
  45 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
  46  * PF.  The reverse is true if it is E1000_PF_*.
  47  * Message ACK's are the value or'd with 0xF0000000
  48  */
  49 #define E1000_VT_MSGTYPE_ACK      0x80000000  /* Messages below or'd with
  50                                                * this are the ACK */
  51 #define E1000_VT_MSGTYPE_NACK     0x40000000  /* Messages below or'd with
  52                                                * this are the NACK */
  53 #define E1000_VT_MSGTYPE_CTS      0x20000000  /* Indicates that VF is still
  54                                                  clear to send requests */
  55
  56 /* We have a total wait time of 1s for vf mailbox posted messages */
  57 #define E1000_VF_MBX_INIT_TIMEOUT 2000 /* retry count for mailbox timeout */
  58 #define E1000_VF_MBX_INIT_DELAY   500  /* usec delay between retries */
  59
  60 #define E1000_VT_MSGINFO_SHIFT    16
  61 /* bits 23:16 are used for exra info for certain messages */
  62 #define E1000_VT_MSGINFO_MASK     (0xFF << E1000_VT_MSGINFO_SHIFT)
  63
  64 #define E1000_VF_RESET            0x01 /* VF requests reset */
  65 #define E1000_VF_SET_MAC_ADDR     0x02 /* VF requests PF to set MAC addr */
  66 #define E1000_VF_SET_MULTICAST    0x03 /* VF requests PF to set MC addr */
  67 #define E1000_VF_SET_VLAN         0x04 /* VF requests PF to set VLAN */
  68 #define E1000_VF_SET_LPE          0x05 /* VF requests PF to set VMOLR.LPE */
  69
  70 #define E1000_PF_CONTROL_MSG      0x0100 /* PF control message */
  71
  72 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
  73 s32 e1000_init_mbx_params_vf(struct e1000_hw *);
  74
  75 #endif /* _E1000_MBX_H_ */