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

   1 /*******************************************************************************
   2
   3   Intel 82599 Virtual Function driver
   4   Copyright(c) 1999 - 2015 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, see <http://www.gnu.org/licenses/>.
  17
  18   The full GNU General Public License is included in this distribution in
  19   the file called "COPYING".
  20
  21   Contact Information:
  22   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24
  25 *******************************************************************************/
  26
  27 #ifndef _IXGBE_MBX_H_
  28 #define _IXGBE_MBX_H_
  29
  30 #include "vf.h"
  31
  32 #define IXGBE_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  33 #define IXGBE_ERR_MBX           -100
  34
  35 #define IXGBE_VFMAILBOX         0x002FC
  36 #define IXGBE_VFMBMEM           0x00200
  37
  38 /* Define mailbox register bits */
  39 #define IXGBE_VFMAILBOX_REQ     0x00000001 /* Request for PF Ready bit */
  40 #define IXGBE_VFMAILBOX_ACK     0x00000002 /* Ack PF message received */
  41 #define IXGBE_VFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  42 #define IXGBE_VFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  43 #define IXGBE_VFMAILBOX_PFSTS   0x00000010 /* PF wrote a message in the MB */
  44 #define IXGBE_VFMAILBOX_PFACK   0x00000020 /* PF ack the previous VF msg */
  45 #define IXGBE_VFMAILBOX_RSTI    0x00000040 /* PF has reset indication */
  46 #define IXGBE_VFMAILBOX_RSTD    0x00000080 /* PF has indicated reset done */
  47 #define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
  48
  49 #define IXGBE_PFMAILBOX(x)      (0x04B00 + (4 * (x)))
  50 #define IXGBE_PFMBMEM(vfn)      (0x13000 + (64 * (vfn)))
  51
  52 #define IXGBE_PFMAILBOX_STS     0x00000001 /* Initiate message send to VF */
  53 #define IXGBE_PFMAILBOX_ACK     0x00000002 /* Ack message recv'd from VF */
  54 #define IXGBE_PFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  55 #define IXGBE_PFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  56 #define IXGBE_PFMAILBOX_RVFU    0x00000010 /* Reset VFU - used when VF stuck */
  57
  58 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
  59 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
  60 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
  61 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
  62
  63 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
  64  * PF.  The reverse is true if it is IXGBE_PF_*.
  65  * Message ACK's are the value or'd with 0xF0000000
  66  */
  67 /* Messages below or'd with this are the ACK */
  68 #define IXGBE_VT_MSGTYPE_ACK    0x80000000
  69 /* Messages below or'd with this are the NACK */
  70 #define IXGBE_VT_MSGTYPE_NACK   0x40000000
  71 /* Indicates that VF is still clear to send requests */
  72 #define IXGBE_VT_MSGTYPE_CTS    0x20000000
  73 #define IXGBE_VT_MSGINFO_SHIFT  16
  74 /* bits 23:16 are used for exra info for certain messages */
  75 #define IXGBE_VT_MSGINFO_MASK   (0xFF << IXGBE_VT_MSGINFO_SHIFT)
  76
  77 /* definitions to support mailbox API version negotiation */
  78
  79 /* each element denotes a version of the API; existing numbers may not
  80  * change; any additions must go at the end
  81  */
  82 enum ixgbe_pfvf_api_rev {
  83         ixgbe_mbox_api_10,      /* API version 1.0, linux/freebsd VF driver */
  84         ixgbe_mbox_api_20,      /* API version 2.0, solaris Phase1 VF driver */
  85         ixgbe_mbox_api_11,      /* API version 1.1, linux/freebsd VF driver */
  86         ixgbe_mbox_api_12,      /* API version 1.2, linux/freebsd VF driver */
  87         ixgbe_mbox_api_13,      /* API version 1.3, linux/freebsd VF driver */
  88         /* This value should always be last */
  89         ixgbe_mbox_api_unknown, /* indicates that API version is not known */
  90 };
  91
  92 /* mailbox API, legacy requests */
  93 #define IXGBE_VF_RESET          0x01 /* VF requests reset */
  94 #define IXGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
  95 #define IXGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
  96 #define IXGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
  97
  98 /* mailbox API, version 1.0 VF requests */
  99 #define IXGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
 100 #define IXGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
 101 #define IXGBE_VF_API_NEGOTIATE  0x08 /* negotiate API version */
 102
 103 /* mailbox API, version 1.1 VF requests */
 104 #define IXGBE_VF_GET_QUEUE      0x09 /* get queue configuration */
 105
 106 /* GET_QUEUES return data indices within the mailbox */
 107 #define IXGBE_VF_TX_QUEUES      1 /* number of Tx queues supported */
 108 #define IXGBE_VF_RX_QUEUES      2 /* number of Rx queues supported */
 109 #define IXGBE_VF_TRANS_VLAN     3 /* Indication of port VLAN */
 110 #define IXGBE_VF_DEF_QUEUE      4 /* Default queue offset */
 111
 112 /* mailbox API, version 1.2 VF requests */
 113 #define IXGBE_VF_GET_RETA       0x0a    /* VF request for RETA */
 114 #define IXGBE_VF_GET_RSS_KEY    0x0b    /* get RSS hash key */
 115
 116 #define IXGBE_VF_UPDATE_XCAST_MODE      0x0c
 117
 118 /* length of permanent address message returned from PF */
 119 #define IXGBE_VF_PERMADDR_MSG_LEN       4
 120 /* word in permanent address message with the current multicast type */
 121 #define IXGBE_VF_MC_TYPE_WORD           3
 122
 123 #define IXGBE_PF_CONTROL_MSG            0x0100 /* PF control message */
 124
 125 #define IXGBE_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
 126 #define IXGBE_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
 127
 128 /* forward declaration of the HW struct */
 129 struct ixgbe_hw;
 130
 131 #endif /* _IXGBE_MBX_H_ */