1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* Copyright(c) 2007 - 2018 Intel Corporation. */ 3*4882a593Smuzhiyun 4*4882a593Smuzhiyun #ifndef _E1000_MBX_H_ 5*4882a593Smuzhiyun #define _E1000_MBX_H_ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include "e1000_hw.h" 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */ 10*4882a593Smuzhiyun #define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ 11*4882a593Smuzhiyun #define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ 12*4882a593Smuzhiyun #define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ 13*4882a593Smuzhiyun #define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */ 16*4882a593Smuzhiyun #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ 17*4882a593Smuzhiyun #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */ 18*4882a593Smuzhiyun #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the 23*4882a593Smuzhiyun * PF. The reverse is true if it is E1000_PF_*. 24*4882a593Smuzhiyun * Message ACK's are the value or'd with 0xF0000000 25*4882a593Smuzhiyun */ 26*4882a593Smuzhiyun /* Messages below or'd with this are the ACK */ 27*4882a593Smuzhiyun #define E1000_VT_MSGTYPE_ACK 0x80000000 28*4882a593Smuzhiyun /* Messages below or'd with this are the NACK */ 29*4882a593Smuzhiyun #define E1000_VT_MSGTYPE_NACK 0x40000000 30*4882a593Smuzhiyun /* Indicates that VF is still clear to send requests */ 31*4882a593Smuzhiyun #define E1000_VT_MSGTYPE_CTS 0x20000000 32*4882a593Smuzhiyun #define E1000_VT_MSGINFO_SHIFT 16 33*4882a593Smuzhiyun /* bits 23:16 are used for exra info for certain messages */ 34*4882a593Smuzhiyun #define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT) 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define E1000_VF_RESET 0x01 /* VF requests reset */ 37*4882a593Smuzhiyun #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */ 38*4882a593Smuzhiyun /* VF requests to clear all unicast MAC filters */ 39*4882a593Smuzhiyun #define E1000_VF_MAC_FILTER_CLR (0x01 << E1000_VT_MSGINFO_SHIFT) 40*4882a593Smuzhiyun /* VF requests to add unicast MAC filter */ 41*4882a593Smuzhiyun #define E1000_VF_MAC_FILTER_ADD (0x02 << E1000_VT_MSGINFO_SHIFT) 42*4882a593Smuzhiyun #define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */ 43*4882a593Smuzhiyun #define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */ 44*4882a593Smuzhiyun #define E1000_VF_SET_LPE 0x05 /* VF requests to set VMOLR.LPE */ 45*4882a593Smuzhiyun #define E1000_VF_SET_PROMISC 0x06 /*VF requests to clear VMOLR.ROPE/MPME*/ 46*4882a593Smuzhiyun #define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT) 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */ 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id, 51*4882a593Smuzhiyun bool unlock); 52*4882a593Smuzhiyun s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id); 53*4882a593Smuzhiyun s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id); 54*4882a593Smuzhiyun s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id); 55*4882a593Smuzhiyun s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id); 56*4882a593Smuzhiyun s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id); 57*4882a593Smuzhiyun s32 igb_init_mbx_params_pf(struct e1000_hw *hw); 58*4882a593Smuzhiyun 59*4882a593Smuzhiyun #endif /* _E1000_MBX_H_ */ 60