intel/igb/e1000_mbx.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright(c) 2007 - 2018 Intel Corporation. */
0003
0004 #ifndef _E1000_MBX_H_
0005 #define _E1000_MBX_H_
0006
0007 #include "e1000_hw.h"
0008
0009 #define E1000_P2VMAILBOX_STS    0x00000001 /* Initiate message send to VF */
0010 #define E1000_P2VMAILBOX_ACK    0x00000002 /* Ack message recv'd from VF */
0011 #define E1000_P2VMAILBOX_VFU    0x00000004 /* VF owns the mailbox buffer */
0012 #define E1000_P2VMAILBOX_PFU    0x00000008 /* PF owns the mailbox buffer */
0013 #define E1000_P2VMAILBOX_RVFU   0x00000010 /* Reset VFU - used when VF stuck */
0014
0015 #define E1000_MBVFICR_VFREQ_MASK    0x000000FF /* bits for VF messages */
0016 #define E1000_MBVFICR_VFREQ_VF1     0x00000001 /* bit for VF 1 message */
0017 #define E1000_MBVFICR_VFACK_MASK    0x00FF0000 /* bits for VF acks */
0018 #define E1000_MBVFICR_VFACK_VF1     0x00010000 /* bit for VF 1 ack */
0019
0020 #define E1000_VFMAILBOX_SIZE    16 /* 16 32 bit words - 64 bytes */
0021
0022 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
0023  * PF.  The reverse is true if it is E1000_PF_*.
0024  * Message ACK's are the value or'd with 0xF0000000
0025  */
0026 /* Messages below or'd with this are the ACK */
0027 #define E1000_VT_MSGTYPE_ACK    0x80000000
0028 /* Messages below or'd with this are the NACK */
0029 #define E1000_VT_MSGTYPE_NACK   0x40000000
0030 /* Indicates that VF is still clear to send requests */
0031 #define E1000_VT_MSGTYPE_CTS    0x20000000
0032 #define E1000_VT_MSGINFO_SHIFT  16
0033 /* bits 23:16 are used for exra info for certain messages */
0034 #define E1000_VT_MSGINFO_MASK   (0xFF << E1000_VT_MSGINFO_SHIFT)
0035
0036 #define E1000_VF_RESET      0x01 /* VF requests reset */
0037 #define E1000_VF_SET_MAC_ADDR   0x02 /* VF requests to set MAC addr */
0038 /* VF requests to clear all unicast MAC filters */
0039 #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT)
0040 /* VF requests to add unicast MAC filter */
0041 #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT)
0042 #define E1000_VF_SET_MULTICAST  0x03 /* VF requests to set MC addr */
0043 #define E1000_VF_SET_VLAN   0x04 /* VF requests to set VLAN */
0044 #define E1000_VF_SET_LPE    0x05 /* VF requests to set VMOLR.LPE */
0045 #define E1000_VF_SET_PROMISC    0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
0046 #define E1000_VF_SET_PROMISC_MULTICAST  (0x02 << E1000_VT_MSGINFO_SHIFT)
0047
0048 #define E1000_PF_CONTROL_MSG    0x0100 /* PF control message */
0049
0050 s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
0051          bool unlock);
0052 s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
0053 s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id);
0054 s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id);
0055 s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id);
0056 s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id);
0057 s32 igb_init_mbx_params_pf(struct e1000_hw *hw);
0058
0059 #endif /* _E1000_MBX_H_ */