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 "ixgbe_type.h" 8 9#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ 10 11#define IXGBE_VFMAILBOX 0x002FC 12#define IXGBE_VFMBMEM 0x00200 13 14#define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ 15#define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ 16#define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ 17#define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ 18#define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ 19 20#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ 21#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ 22#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ 23#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ 24 25 26/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the 27 * PF. The reverse is true if it is IXGBE_PF_*. 28 * Message ACK's are the value or'd with 0xF0000000 29 */ 30#define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with 31 * this are the ACK */ 32#define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with 33 * this are the NACK */ 34#define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still 35 clear to send requests */ 36#define IXGBE_VT_MSGINFO_SHIFT 16 37/* bits 23:16 are used for exra info for certain messages */ 38#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) 39 40/* definitions to support mailbox API version negotiation */ 41 42/* 43 * Each element denotes a version of the API; existing numbers may not 44 * change; any additions must go at the end 45 */ 46enum ixgbe_pfvf_api_rev { 47 ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ 48 ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ 49 ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ 50 ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ 51 ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */ 52 ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */ 53 /* This value should always be last */ 54 ixgbe_mbox_api_unknown, /* indicates that API version is not known */ 55}; 56 57/* mailbox API, legacy requests */ 58#define IXGBE_VF_RESET 0x01 /* VF requests reset */ 59#define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ 60#define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ 61#define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ 62 63/* mailbox API, version 1.0 VF requests */ 64#define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ 65#define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ 66#define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ 67 68/* mailbox API, version 1.1 VF requests */ 69#define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */ 70 71/* GET_QUEUES return data indices within the mailbox */ 72#define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ 73#define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ 74#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */ 75#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ 76 77/* mailbox API, version 1.2 VF requests */ 78#define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */ 79#define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS key */ 80 81#define IXGBE_VF_UPDATE_XCAST_MODE 0x0c 82 83/* mailbox API, version 1.4 VF requests */ 84#define IXGBE_VF_IPSEC_ADD 0x0d 85#define IXGBE_VF_IPSEC_DEL 0x0e 86 87#define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */ 88 89/* length of permanent address message returned from PF */ 90#define IXGBE_VF_PERMADDR_MSG_LEN 4 91/* word in permanent address message with the current multicast type */ 92#define IXGBE_VF_MC_TYPE_WORD 3 93 94#define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ 95 96#define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ 97#define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ 98 99int ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); 100int ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); 101int ixgbe_check_for_msg(struct ixgbe_hw *, u16); 102int ixgbe_check_for_ack(struct ixgbe_hw *, u16); 103int ixgbe_check_for_rst(struct ixgbe_hw *, u16); 104#ifdef CONFIG_PCI_IOV 105void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); 106#endif /* CONFIG_PCI_IOV */ 107 108extern const struct ixgbe_mbx_operations mbx_ops_generic; 109 110#endif /* _IXGBE_MBX_H_ */ 111