linux/drivers/net/ethernet/intel/ixgbevf/mbx.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright(c) 1999 - 2018 Intel Corporation. */
   3
   4#ifndef _IXGBE_MBX_H_
   5#define _IXGBE_MBX_H_
   6
   7#include "vf.h"
   8
   9#define IXGBE_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  10#define IXGBE_ERR_MBX           -100
  11
  12#define IXGBE_VFMAILBOX         0x002FC
  13#define IXGBE_VFMBMEM           0x00200
  14
  15/* Define mailbox register bits */
  16#define IXGBE_VFMAILBOX_REQ     0x00000001 /* Request for PF Ready bit */
  17#define IXGBE_VFMAILBOX_ACK     0x00000002 /* Ack PF message received */
  18#define IXGBE_VFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  19#define IXGBE_VFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  20#define IXGBE_VFMAILBOX_PFSTS   0x00000010 /* PF wrote a message in the MB */
  21#define IXGBE_VFMAILBOX_PFACK   0x00000020 /* PF ack the previous VF msg */
  22#define IXGBE_VFMAILBOX_RSTI    0x00000040 /* PF has reset indication */
  23#define IXGBE_VFMAILBOX_RSTD    0x00000080 /* PF has indicated reset done */
  24#define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
  25
  26#define IXGBE_PFMAILBOX(x)      (0x04B00 + (4 * (x)))
  27#define IXGBE_PFMBMEM(vfn)      (0x13000 + (64 * (vfn)))
  28
  29#define IXGBE_PFMAILBOX_STS     0x00000001 /* Initiate message send to VF */
  30#define IXGBE_PFMAILBOX_ACK     0x00000002 /* Ack message recv'd from VF */
  31#define IXGBE_PFMAILBOX_VFU     0x00000004 /* VF owns the mailbox buffer */
  32#define IXGBE_PFMAILBOX_PFU     0x00000008 /* PF owns the mailbox buffer */
  33#define IXGBE_PFMAILBOX_RVFU    0x00000010 /* Reset VFU - used when VF stuck */
  34
  35#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
  36#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
  37#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
  38#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
  39
  40/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
  41 * PF.  The reverse is true if it is IXGBE_PF_*.
  42 * Message ACK's are the value or'd with 0xF0000000
  43 */
  44/* Messages below or'd with this are the ACK */
  45#define IXGBE_VT_MSGTYPE_ACK    0x80000000
  46/* Messages below or'd with this are the NACK */
  47#define IXGBE_VT_MSGTYPE_NACK   0x40000000
  48/* Indicates that VF is still clear to send requests */
  49#define IXGBE_VT_MSGTYPE_CTS    0x20000000
  50#define IXGBE_VT_MSGINFO_SHIFT  16
  51/* bits 23:16 are used for exra info for certain messages */
  52#define IXGBE_VT_MSGINFO_MASK   (0xFF << IXGBE_VT_MSGINFO_SHIFT)
  53
  54/* definitions to support mailbox API version negotiation */
  55
  56/* each element denotes a version of the API; existing numbers may not
  57 * change; any additions must go at the end
  58 */
  59enum ixgbe_pfvf_api_rev {
  60        ixgbe_mbox_api_10,      /* API version 1.0, linux/freebsd VF driver */
  61        ixgbe_mbox_api_20,      /* API version 2.0, solaris Phase1 VF driver */
  62        ixgbe_mbox_api_11,      /* API version 1.1, linux/freebsd VF driver */
  63        ixgbe_mbox_api_12,      /* API version 1.2, linux/freebsd VF driver */
  64        ixgbe_mbox_api_13,      /* API version 1.3, linux/freebsd VF driver */
  65        ixgbe_mbox_api_14,      /* API version 1.4, linux/freebsd VF driver */
  66        /* This value should always be last */
  67        ixgbe_mbox_api_unknown, /* indicates that API version is not known */
  68};
  69
  70/* mailbox API, legacy requests */
  71#define IXGBE_VF_RESET          0x01 /* VF requests reset */
  72#define IXGBE_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
  73#define IXGBE_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
  74#define IXGBE_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
  75
  76/* mailbox API, version 1.0 VF requests */
  77#define IXGBE_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
  78#define IXGBE_VF_SET_MACVLAN    0x06 /* VF requests PF for unicast filter */
  79#define IXGBE_VF_API_NEGOTIATE  0x08 /* negotiate API version */
  80
  81/* mailbox API, version 1.1 VF requests */
  82#define IXGBE_VF_GET_QUEUE      0x09 /* get queue configuration */
  83
  84/* GET_QUEUES return data indices within the mailbox */
  85#define IXGBE_VF_TX_QUEUES      1 /* number of Tx queues supported */
  86#define IXGBE_VF_RX_QUEUES      2 /* number of Rx queues supported */
  87#define IXGBE_VF_TRANS_VLAN     3 /* Indication of port VLAN */
  88#define IXGBE_VF_DEF_QUEUE      4 /* Default queue offset */
  89
  90/* mailbox API, version 1.2 VF requests */
  91#define IXGBE_VF_GET_RETA       0x0a    /* VF request for RETA */
  92#define IXGBE_VF_GET_RSS_KEY    0x0b    /* get RSS hash key */
  93
  94#define IXGBE_VF_UPDATE_XCAST_MODE      0x0c
  95
  96/* mailbox API, version 1.4 VF requests */
  97#define IXGBE_VF_IPSEC_ADD      0x0d
  98#define IXGBE_VF_IPSEC_DEL      0x0e
  99
 100/* length of permanent address message returned from PF */
 101#define IXGBE_VF_PERMADDR_MSG_LEN       4
 102/* word in permanent address message with the current multicast type */
 103#define IXGBE_VF_MC_TYPE_WORD           3
 104
 105#define IXGBE_PF_CONTROL_MSG            0x0100 /* PF control message */
 106
 107#define IXGBE_VF_MBX_INIT_TIMEOUT       2000 /* number of retries on mailbox */
 108#define IXGBE_VF_MBX_INIT_DELAY         500  /* microseconds between retries */
 109
 110/* forward declaration of the HW struct */
 111struct ixgbe_hw;
 112
 113#endif /* _IXGBE_MBX_H_ */
 114