1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2001 - 2015 Intel Corporation
10 /* Define mailbox register bits */
11 #define E1000_V2PMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
12 #define E1000_V2PMAILBOX_ACK 0x00000002 /* Ack PF message received */
13 #define E1000_V2PMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
14 #define E1000_V2PMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
15 #define E1000_V2PMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
16 #define E1000_V2PMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
17 #define E1000_V2PMAILBOX_RSTI 0x00000040 /* PF has reset indication */
18 #define E1000_V2PMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
19 #define E1000_V2PMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
21 #define E1000_P2VMAILBOX_STS 0x00000001 /* Initiate message send to VF */
22 #define E1000_P2VMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */
23 #define E1000_P2VMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
24 #define E1000_P2VMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
25 #define E1000_P2VMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */
27 #define E1000_MBVFICR_VFREQ_MASK 0x000000FF /* bits for VF messages */
28 #define E1000_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
29 #define E1000_MBVFICR_VFACK_MASK 0x00FF0000 /* bits for VF acks */
30 #define E1000_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */
32 #define E1000_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
34 /* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
35 * PF. The reverse is true if it is E1000_PF_*.
36 * Message ACK's are the value or'd with 0xF0000000
38 /* Msgs below or'd with this are the ACK */
39 #define E1000_VT_MSGTYPE_ACK 0x80000000
40 /* Msgs below or'd with this are the NACK */
41 #define E1000_VT_MSGTYPE_NACK 0x40000000
42 /* Indicates that VF is still clear to send requests */
43 #define E1000_VT_MSGTYPE_CTS 0x20000000
44 #define E1000_VT_MSGINFO_SHIFT 16
45 /* bits 23:16 are used for extra info for certain messages */
46 #define E1000_VT_MSGINFO_MASK (0xFF << E1000_VT_MSGINFO_SHIFT)
48 #define E1000_VF_RESET 0x01 /* VF requests reset */
49 #define E1000_VF_SET_MAC_ADDR 0x02 /* VF requests to set MAC addr */
50 #define E1000_VF_SET_MULTICAST 0x03 /* VF requests to set MC addr */
51 #define E1000_VF_SET_MULTICAST_COUNT_MASK (0x1F << E1000_VT_MSGINFO_SHIFT)
52 #define E1000_VF_SET_MULTICAST_OVERFLOW (0x80 << E1000_VT_MSGINFO_SHIFT)
53 #define E1000_VF_SET_VLAN 0x04 /* VF requests to set VLAN */
54 #define E1000_VF_SET_VLAN_ADD (0x01 << E1000_VT_MSGINFO_SHIFT)
55 #define E1000_VF_SET_LPE 0x05 /* reqs to set VMOLR.LPE */
56 #define E1000_VF_SET_PROMISC 0x06 /* reqs to clear VMOLR.ROPE/MPME*/
57 #define E1000_VF_SET_PROMISC_UNICAST (0x01 << E1000_VT_MSGINFO_SHIFT)
58 #define E1000_VF_SET_PROMISC_MULTICAST (0x02 << E1000_VT_MSGINFO_SHIFT)
60 #define E1000_PF_CONTROL_MSG 0x0100 /* PF control message */
62 #define E1000_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */
63 #define E1000_VF_MBX_INIT_DELAY 500 /* microseconds between retries */
65 s32 e1000_read_mbx(struct e1000_hw *, u32 *, u16, u16);
66 s32 e1000_write_mbx(struct e1000_hw *, u32 *, u16, u16);
67 s32 e1000_read_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
68 s32 e1000_write_posted_mbx(struct e1000_hw *, u32 *, u16, u16);
69 s32 e1000_check_for_msg(struct e1000_hw *, u16);
70 s32 e1000_check_for_ack(struct e1000_hw *, u16);
71 s32 e1000_check_for_rst(struct e1000_hw *, u16);
72 void e1000_init_mbx_ops_generic(struct e1000_hw *hw);
73 s32 e1000_init_mbx_params_vf(struct e1000_hw *);
74 s32 e1000_init_mbx_params_pf(struct e1000_hw *);
76 #endif /* _E1000_MBX_H_ */