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_ */ 56