ceph/src/dpdk/lib/librte_eal/linuxapp/kni/ethtool/ixgbe/ixgbe_mbx.h

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express 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 "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 _IXGBE_MBX_H_
  29 #define _IXGBE_MBX_H_
  30
  31 #include "ixgbe_type.h"
  32
  33 #define IXGBE_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  34 #define IXGBE_ERR_MBX           -100
  35
  36 #define IXGBE_VFMAILBOX         0x002FC
  37 #define IXGBE_VFMBMEM           0x00200
  38
  39 /* Define mailbox register bits */
  40 #define IXGBE_VFMAILBOX_REQ     0x00000001 /* Request for PF Ready bit */
  41 #define IXGBE_VFMAILBOX_ACK     0x00000002 /* Ack PF message received */
  42 #define IXGBE_VFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  43 #define IXGBE_VFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  44 #define IXGBE_VFMAILBOX_PFSTS   0x00000010 /* PF wrote a message in the MB */
  45 #define IXGBE_VFMAILBOX_PFACK   0x00000020 /* PF ack the previous VF msg */
  46 #define IXGBE_VFMAILBOX_RSTI    0x00000040 /* PF has reset indication */
  47 #define IXGBE_VFMAILBOX_RSTD    0x00000080 /* PF has indicated reset done */
  48 #define IXGBE_VFMAILBOX_R2C_BITS        0x000000B0 /* All read to clear bits */
  49
  50 #define IXGBE_PFMAILBOX_STS     0x00000001 /* Initiate message send to VF */
  51 #define IXGBE_PFMAILBOX_ACK     0x00000002 /* Ack message recv'd from VF */
  52 #define IXGBE_PFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  53 #define IXGBE_PFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  54 #define IXGBE_PFMAILBOX_RVFU    0x00000010 /* Reset VFU - used when VF stuck */
  55
  56 #define IXGBE_MBVFICR_VFREQ_MASK        0x0000FFFF /* bits for VF messages */
  57 #define IXGBE_MBVFICR_VFREQ_VF1         0x00000001 /* bit for VF 1 message */
  58 #define IXGBE_MBVFICR_VFACK_MASK        0xFFFF0000 /* bits for VF acks */
  59 #define IXGBE_MBVFICR_VFACK_VF1         0x00010000 /* bit for VF 1 ack */
  60
  61
  62 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
  63  * PF.  The reverse is true if it is IXGBE_PF_*.
  64  * Message ACK's are the value or'd with 0xF0000000
  65  */
  66 #define IXGBE_VT_MSGTYPE_ACK    0x80000000 /* Messages below or'd with
  67                                             * this are the ACK */
  68 #define IXGBE_VT_MSGTYPE_NACK   0x40000000 /* Messages below or'd with
  69                                             * this are the NACK */
  70 #define IXGBE_VT_MSGTYPE_CTS    0x20000000 /* Indicates that VF is still
  71                                             * clear to send requests */
  72 #define IXGBE_VT_MSGINFO_SHIFT  16
  73 /* bits 23:16 are used for extra info for certain messages */
  74 #define IXGBE_VT_MSGINFO_MASK   (0xFF << IXGBE_VT_MSGINFO_SHIFT)
  75
  76 #define IXGBE_VF_RESET          0x01 /* VF requests reset */
  77 #define IXGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
  78 #define IXGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
  79 #define IXGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
  80 #define IXGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
  81 #define IXGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
  82
  83 /* length of permanent address message returned from PF */
  84 #define IXGBE_VF_PERMADDR_MSG_LEN       4
  85 /* word in permanent address message with the current multicast type */
  86 #define IXGBE_VF_MC_TYPE_WORD           3
  87
  88 #define IXGBE_PF_CONTROL_MSG            0x0100 /* PF control message */
  89
  90
  91 #define IXGBE_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
  92 #define IXGBE_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
  93
  94 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
  95 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
  96 s32 ixgbe_read_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
  97 s32 ixgbe_write_posted_mbx(struct ixgbe_hw *, u32 *, u16, u16);
  98 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
  99 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
 100 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
 101 void ixgbe_init_mbx_ops_generic(struct ixgbe_hw *hw);
 102 void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
 103 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
 104
 105 #endif /* _IXGBE_MBX_H_ */