1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright(c) 1999 - 2018 Intel Corporation. */ 3 4 #ifndef _IXGBE_MBX_H_ 5 #define _IXGBE_MBX_H_ 6 7 #include "vf.h" 8 9 #define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ 10 #define IXGBE_ERR_MBX -100 11 12 #define IXGBE_VFMAILBOX 0x002FC 13 #define IXGBE_VFMBMEM 0x00200 14 15 /* Define mailbox register bits */ 16 #define IXGBE_VFMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */ 17 #define IXGBE_VFMAILBOX_ACK 0x00000002 /* Ack PF message received */ 18 #define IXGBE_VFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ 19 #define IXGBE_VFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ 20 #define IXGBE_VFMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */ 21 #define IXGBE_VFMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */ 22 #define IXGBE_VFMAILBOX_RSTI 0x00000040 /* PF has reset indication */ 23 #define IXGBE_VFMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */ 24 #define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */ 25 26 #define IXGBE_PFMAILBOX(x) (0x04B00 + (4 * (x))) 27 #define IXGBE_PFMBMEM(vfn) (0x13000 + (64 * (vfn))) 28 29 #define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ 30 #define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ 31 #define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ 32 #define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ 33 #define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ 34 35 #define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ 36 #define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ 37 #define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ 38 #define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ 39 40 /* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the 41 * PF. The reverse is true if it is IXGBE_PF_*. 42 * Message ACK's are the value or'd with 0xF0000000 43 */ 44 /* Messages below or'd with this are the ACK */ 45 #define IXGBE_VT_MSGTYPE_ACK 0x80000000 46 /* Messages below or'd with this are the NACK */ 47 #define IXGBE_VT_MSGTYPE_NACK 0x40000000 48 /* Indicates that VF is still clear to send requests */ 49 #define IXGBE_VT_MSGTYPE_CTS 0x20000000 50 #define IXGBE_VT_MSGINFO_SHIFT 16 51 /* bits 23:16 are used for exra info for certain messages */ 52 #define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) 53 54 /* definitions to support mailbox API version negotiation */ 55 56 /* each element denotes a version of the API; existing numbers may not 57 * change; any additions must go at the end 58 */ 59 enum ixgbe_pfvf_api_rev { 60 ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ 61 ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ 62 ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ 63 ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ 64 ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ 65 /* This value should always be last */ 66 ixgbe_mbox_api_unknown, /* indicates that API version is not known */ 67 }; 68 69 /* mailbox API, legacy requests */ 70 #define IXGBE_VF_RESET 0x01 /* VF requests reset */ 71 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ 72 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ 73 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ 74 75 /* mailbox API, version 1.0 VF requests */ 76 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ 77 #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ 78 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ 79 80 /* mailbox API, version 1.1 VF requests */ 81 #define IXGBE_VF_GET_QUEUE 0x09 /* get queue configuration */ 82 83 /* GET_QUEUES return data indices within the mailbox */ 84 #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ 85 #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ 86 #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port VLAN */ 87 #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ 88 89 /* mailbox API, version 1.2 VF requests */ 90 #define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */ 91 #define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS hash key */ 92 93 #define IXGBE_VF_UPDATE_XCAST_MODE 0x0c 94 95 /* length of permanent address message returned from PF */ 96 #define IXGBE_VF_PERMADDR_MSG_LEN 4 97 /* word in permanent address message with the current multicast type */ 98 #define IXGBE_VF_MC_TYPE_WORD 3 99 100 #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ 101 102 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ 103 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ 104 105 /* forward declaration of the HW struct */ 106 struct ixgbe_hw; 107 108 #endif /* _IXGBE_MBX_H_ */ 109