ceph/src/dpdk/lib/librte_eal/linuxapp/kni/ethtool/igb/e1000_mbx.h

   1 /*******************************************************************************
   2
   3   Intel(R) Gigabit Ethernet Linux driver
   4   Copyright(c) 2007-2013 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 "LICENSE.GPL".
  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 "e1000_api.h"
  32
  33 #define E1000_P2VMAILBOX_STS    0x00000001 /* Initiate message send to VF */
  34 #define E1000_P2VMAILBOX_ACK    0x00000002 /* Ack message recv'd from VF */
  35 #define E1000_P2VMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
  36 #define E1000_P2VMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
  37 #define E1000_P2VMAILBOX_RVFU   0x00000010 /* Reset VFU - used when VF stuck */
  38
  39 #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
  40 #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
  41 #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
  42 #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
  43
  44 #define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  45
  46 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
  47  * PF.  The reverse is true if it is E1000_PF_*.
  48  * Message ACK's are the value or'd with 0xF0000000
  49  */
  50 /* Msgs below or'd with this are the ACK */
  51 #define E1000_VT_MSGTYPE_ACK    0x80000000
  52 /* Msgs below or'd with this are the NACK */
  53 #define E1000_VT_MSGTYPE_NACK   0x40000000
  54 /* Indicates that VF is still clear to send requests */
  55 #define E1000_VT_MSGTYPE_CTS    0x20000000
  56 #define E1000_VT_MSGINFO_SHIFT  16
  57 /* bits 23:16 are used for extra info for certain messages */
  58 #define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
  59
  60 #define E1000_VF_RESET                  0x01 /* VF requests reset */
  61 #define E1000_VF_SET_MAC_ADDR           0x02 /* VF requests to set MAC addr */
  62 #define E1000_VF_SET_MULTICAST          0x03 /* VF requests to set MC addr */
  63 #define E1000_VF_SET_MULTICAST_COUNT_MASK (0x1F << E1000_VT_MSGINFO_SHIFT)
  64 #define E1000_VF_SET_MULTICAST_OVERFLOW (0x80 << E1000_VT_MSGINFO_SHIFT)
  65 #define E1000_VF_SET_VLAN               0x04 /* VF requests to set VLAN */
  66 #define E1000_VF_SET_VLAN_ADD           (0x01 << E1000_VT_MSGINFO_SHIFT)
  67 #define E1000_VF_SET_LPE                0x05 /* reqs to set VMOLR.LPE */
  68 #define E1000_VF_SET_PROMISC            0x06 /* reqs to clear VMOLR.ROPE/MPME*/
  69 #define E1000_VF_SET_PROMISC_UNICAST    (0x01 << E1000_VT_MSGINFO_SHIFT)
  70 #define E1000_VF_SET_PROMISC_MULTICAST  (0x02 << E1000_VT_MSGINFO_SHIFT)
  71
  72 #define E1000_PF_CONTROL_MSG            0x0100 /* PF control message */
  73
  74 #define E1000_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
  75 #define E1000_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
  76
  77 s32 e1000_read_mbx(struct e1000_hw *, u32 *, u16, u16);
  78 s32 e1000_write_mbx(struct e1000_hw *, u32 *, u16, u16);
  79 s32 e1000_read_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
  80 s32 e1000_write_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
  81 s32 e1000_check_for_msg(struct e1000_hw *, u16);
  82 s32 e1000_check_for_ack(struct e1000_hw *, u16);
  83 s32 e1000_check_for_rst(struct e1000_hw *, u16);
  84 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
  85 s32 e1000_init_mbx_params_pf(struct e1000_hw *);
  86
  87 #endif /* _E1000_MBX_H_ */