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