wx_mbx.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright (c) 2015 - 2025 Beijing WangXun Technology Co., Ltd. */
 3#ifndef _WX_MBX_H_
 4#define _WX_MBX_H_
 5
 6#define WX_VXMAILBOX_SIZE    15
 7
 8/* PF Registers */
 9#define WX_PXMAILBOX(i)      (0x600 + (4 * (i))) /* i=[0,63] */
10#define WX_PXMAILBOX_STS     BIT(0) /* Initiate message send to VF */
11#define WX_PXMAILBOX_ACK     BIT(1) /* Ack message recv'd from VF */
12#define WX_PXMAILBOX_PFU     BIT(3) /* PF owns the mailbox buffer */
13
14/* VF Registers */
15#define WX_VXMAILBOX         0x600
16#define WX_VXMAILBOX_REQ     BIT(0) /* Request for PF Ready bit */
17#define WX_VXMAILBOX_ACK     BIT(1) /* Ack PF message received */
18#define WX_VXMAILBOX_VFU     BIT(2) /* VF owns the mailbox buffer */
19#define WX_VXMAILBOX_PFU     BIT(3) /* PF owns the mailbox buffer */
20#define WX_VXMAILBOX_PFSTS   BIT(4) /* PF wrote a message in the MB */
21#define WX_VXMAILBOX_PFACK   BIT(5) /* PF ack the previous VF msg */
22#define WX_VXMAILBOX_RSTI    BIT(6) /* PF has reset indication */
23#define WX_VXMAILBOX_RSTD    BIT(7) /* PF has indicated reset done */
24#define WX_VXMAILBOX_R2C_BITS (WX_VXMAILBOX_RSTD | \
25	    WX_VXMAILBOX_PFSTS | WX_VXMAILBOX_PFACK)
26
27#define WX_VXMBMEM           0x00C00 /* 16*4B */
28#define WX_PXMBMEM(i)        (0x5000 + (64 * (i))) /* i=[0,63] */
29
30#define WX_VFLRE(i)          (0x4A0 + (4 * (i))) /* i=[0,1] */
31#define WX_VFLREC(i)         (0x4A8 + (4 * (i))) /* i=[0,1] */
32
33/* SR-IOV specific macros */
34#define WX_MBVFICR(i)         (0x480 + (4 * (i))) /* i=[0,3] */
35#define WX_MBVFICR_VFREQ_MASK GENMASK(15, 0)
36#define WX_MBVFICR_VFACK_MASK GENMASK(31, 16)
37
38#define WX_VT_MSGTYPE_ACK     BIT(31)
39#define WX_VT_MSGTYPE_NACK    BIT(30)
40#define WX_VT_MSGTYPE_CTS     BIT(29)
41#define WX_VT_MSGINFO_SHIFT   16
42#define WX_VT_MSGINFO_MASK    GENMASK(23, 16)
43
44enum wx_pfvf_api_rev {
45	wx_mbox_api_null,
46	wx_mbox_api_13 = 4,      /* API version 1.3 */
47	wx_mbox_api_unknown, /* indicates that API version is not known */
48};
49
50/* mailbox API */
51#define WX_VF_RESET                  0x01 /* VF requests reset */
52#define WX_VF_SET_MAC_ADDR           0x02 /* VF requests PF to set MAC addr */
53#define WX_VF_SET_MULTICAST          0x03 /* VF requests PF to set MC addr */
54#define WX_VF_SET_VLAN               0x04 /* VF requests PF to set VLAN */
55#define WX_VF_SET_LPE                0x05 /* VF requests PF to set VMOLR.LPE */
56#define WX_VF_SET_MACVLAN            0x06 /* VF requests PF unicast filter */
57#define WX_VF_API_NEGOTIATE          0x08 /* negotiate API version */
58#define WX_VF_GET_QUEUES             0x09 /* get queue configuration */
59#define WX_VF_GET_RETA               0x0a /* VF request for RETA */
60#define WX_VF_GET_RSS_KEY            0x0b /* get RSS key */
61#define WX_VF_UPDATE_XCAST_MODE      0x0c
62#define WX_VF_GET_LINK_STATE         0x10 /* get vf link state */
63#define WX_VF_GET_FW_VERSION         0x11 /* get fw version */
64
65#define WX_VF_BACKUP                 0x8001 /* VF requests backup */
66
67#define WX_PF_CONTROL_MSG            BIT(8) /* PF control message */
68#define WX_PF_NOFITY_VF_LINK_STATUS  0x1
69#define WX_PF_NOFITY_VF_NET_NOT_RUNNING BIT(31)
70
71#define WX_VF_TX_QUEUES              1 /* number of Tx queues supported */
72#define WX_VF_RX_QUEUES              2 /* number of Rx queues supported */
73#define WX_VF_TRANS_VLAN             3 /* Indication of port vlan */
74#define WX_VF_DEF_QUEUE              4 /* Default queue offset */
75
76#define WX_VF_PERMADDR_MSG_LEN       4
77
78enum wxvf_xcast_modes {
79	WXVF_XCAST_MODE_NONE = 0,
80	WXVF_XCAST_MODE_MULTI,
81	WXVF_XCAST_MODE_ALLMULTI,
82	WXVF_XCAST_MODE_PROMISC,
83};
84
85int wx_write_mbx_pf(struct wx *wx, u32 *msg, u16 size, u16 vf);
86int wx_read_mbx_pf(struct wx *wx, u32 *msg, u16 size, u16 vf);
87int wx_check_for_rst_pf(struct wx *wx, u16 mbx_id);
88int wx_check_for_msg_pf(struct wx *wx, u16 mbx_id);
89int wx_check_for_ack_pf(struct wx *wx, u16 mbx_id);
90
91int wx_read_posted_mbx(struct wx *wx, u32 *msg, u16 size);
92int wx_write_posted_mbx(struct wx *wx, u32 *msg, u16 size);
93int wx_check_for_rst_vf(struct wx *wx);
94int wx_check_for_msg_vf(struct wx *wx);
95int wx_read_mbx_vf(struct wx *wx, u32 *msg, u16 size);
96int wx_write_mbx_vf(struct wx *wx, u32 *msg, u16 size);
97int wx_init_mbx_params_vf(struct wx *wx);
98
99#endif /* _WX_MBX_H_ */