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 44 enum 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 78 enum 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 85 int wx_write_mbx_pf(struct wx *wx, u32 *msg, u16 size, u16 vf); 86 int wx_read_mbx_pf(struct wx *wx, u32 *msg, u16 size, u16 vf); 87 int wx_check_for_rst_pf(struct wx *wx, u16 mbx_id); 88 int wx_check_for_msg_pf(struct wx *wx, u16 mbx_id); 89 int wx_check_for_ack_pf(struct wx *wx, u16 mbx_id); 90 91 int wx_read_posted_mbx(struct wx *wx, u32 *msg, u16 size); 92 int wx_write_posted_mbx(struct wx *wx, u32 *msg, u16 size); 93 int wx_check_for_rst_vf(struct wx *wx); 94 int wx_check_for_msg_vf(struct wx *wx); 95 int wx_read_mbx_vf(struct wx *wx, u32 *msg, u16 size); 96 int wx_write_mbx_vf(struct wx *wx, u32 *msg, u16 size); 97 int wx_init_mbx_params_vf(struct wx *wx); 98 99 #endif /* _WX_MBX_H_ */ 100