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

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
   3 
   4 #ifndef _E1000_MBX_H_
   5 #define _E1000_MBX_H_
   6 
   7 #include "vf.h"
   8 
   9 #define E1000_V2PMAILBOX_REQ    0x00000001 /* Request for PF Ready bit */
  10 #define E1000_V2PMAILBOX_ACK    0x00000002 /* Ack PF message received */
  11 #define E1000_V2PMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
  12 #define E1000_V2PMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
  13 #define E1000_V2PMAILBOX_PFSTS  0x00000010 /* PF wrote a message in the MB */
  14 #define E1000_V2PMAILBOX_PFACK  0x00000020 /* PF ack the previous VF msg */
  15 #define E1000_V2PMAILBOX_RSTI   0x00000040 /* PF has reset indication */
  16 #define E1000_V2PMAILBOX_RSTD   0x00000080 /* PF has indicated reset done */
  17 #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
  18 
  19 #define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
  20 
  21 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
  22  * PF.  The reverse is true if it is E1000_PF_*.
  23  * Message ACK's are the value or'd with 0xF0000000
  24  */
  25 /* Messages below or'd with this are the ACK */
  26 #define E1000_VT_MSGTYPE_ACK    0x80000000
  27 /* Messages below or'd with this are the NACK */
  28 #define E1000_VT_MSGTYPE_NACK   0x40000000
  29 /* Indicates that VF is still clear to send requests */
  30 #define E1000_VT_MSGTYPE_CTS    0x20000000
  31 
  32 /* We have a total wait time of 1s for vf mailbox posted messages */
  33 #define E1000_VF_MBX_INIT_TIMEOUT       2000 /* retry count for mbx timeout */
  34 #define E1000_VF_MBX_INIT_DELAY         500  /* usec delay between retries */
  35 
  36 #define E1000_VT_MSGINFO_SHIFT  16
  37 /* bits 23:16 are used for exra info for certain messages */
  38 #define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
  39 
  40 #define E1000_VF_RESET          0x01 /* VF requests reset */
  41 #define E1000_VF_SET_MAC_ADDR   0x02 /* VF requests PF to set MAC addr */
  42 /* VF requests PF to clear all unicast MAC filters */
  43 #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
  44 /* VF requests PF to add unicast MAC filter */
  45 #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
  46 #define E1000_VF_SET_MULTICAST  0x03 /* VF requests PF to set MC addr */
  47 #define E1000_VF_SET_VLAN       0x04 /* VF requests PF to set VLAN */
  48 #define E1000_VF_SET_LPE        0x05 /* VF requests PF to set VMOLR.LPE */
  49 
  50 #define E1000_PF_CONTROL_MSG    0x0100 /* PF control message */
  51 
  52 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
  53 s32 e1000_init_mbx_params_vf(struct e1000_hw *);
  54 
  55 #endif /* _E1000_MBX_H_ */