Release 4.18 drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#ifndef _IXGBE_MBX_H_
#define _IXGBE_MBX_H_
#include "ixgbe_type.h"
#define IXGBE_VFMAILBOX_SIZE 16
/* 16 32 bit words - 64 bytes */
#define IXGBE_ERR_MBX -100
#define IXGBE_VFMAILBOX 0x002FC
#define IXGBE_VFMBMEM 0x00200
#define IXGBE_PFMAILBOX_STS 0x00000001
/* Initiate message send to VF */
#define IXGBE_PFMAILBOX_ACK 0x00000002
/* Ack message recv'd from VF */
#define IXGBE_PFMAILBOX_VFU 0x00000004
/* VF owns the mailbox buffer */
#define IXGBE_PFMAILBOX_PFU 0x00000008
/* PF owns the mailbox buffer */
#define IXGBE_PFMAILBOX_RVFU 0x00000010
/* Reset VFU - used when VF stuck */
#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF
/* bits for VF messages */
#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001
/* bit for VF 1 message */
#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000
/* bits for VF acks */
#define IXGBE_MBVFICR_VFACK_VF1 0x00010000
/* bit for VF 1 ack */
/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
* PF. The reverse is true if it is IXGBE_PF_*.
* Message ACK's are the value or'd with 0xF0000000
*/
#define IXGBE_VT_MSGTYPE_ACK 0x80000000
/* Messages below or'd with
* this are the ACK */
#define IXGBE_VT_MSGTYPE_NACK 0x40000000
/* Messages below or'd with
* this are the NACK */
#define IXGBE_VT_MSGTYPE_CTS 0x20000000
/* Indicates that VF is still
clear to send requests */
#define IXGBE_VT_MSGINFO_SHIFT 16
/* bits 23:16 are used for exra info for certain messages */
#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT)
/* definitions to support mailbox API version negotiation */
/*
* Each element denotes a version of the API; existing numbers may not
* change; any additions must go at the end
*/
enum ixgbe_pfvf_api_rev {
ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */
ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */
ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */
ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */
ixgbe_mbox_api_13, /* API version 1.3, linux/freebsd VF driver */
/* This value should always be last */
ixgbe_mbox_api_unknown, /* indicates that API version is not known */
};
/* mailbox API, legacy requests */
#define IXGBE_VF_RESET 0x01
/* VF requests reset */
#define IXGBE_VF_SET_MAC_ADDR 0x02
/* VF requests PF to set MAC addr */
#define IXGBE_VF_SET_MULTICAST 0x03
/* VF requests PF to set MC addr */
#define IXGBE_VF_SET_VLAN 0x04
/* VF requests PF to set VLAN */
/* mailbox API, version 1.0 VF requests */
#define IXGBE_VF_SET_LPE 0x05
/* VF requests PF to set VMOLR.LPE */
#define IXGBE_VF_SET_MACVLAN 0x06
/* VF requests PF for unicast filter */
#define IXGBE_VF_API_NEGOTIATE 0x08
/* negotiate API version */
/* mailbox API, version 1.1 VF requests */
#define IXGBE_VF_GET_QUEUES 0x09
/* get queue configuration */
/* GET_QUEUES return data indices within the mailbox */
#define IXGBE_VF_TX_QUEUES 1
/* number of Tx queues supported */
#define IXGBE_VF_RX_QUEUES 2
/* number of Rx queues supported */
#define IXGBE_VF_TRANS_VLAN 3
/* Indication of port vlan */
#define IXGBE_VF_DEF_QUEUE 4
/* Default queue offset */
/* mailbox API, version 1.2 VF requests */
#define IXGBE_VF_GET_RETA 0x0a
/* VF request for RETA */
#define IXGBE_VF_GET_RSS_KEY 0x0b
/* get RSS key */
#define IXGBE_VF_UPDATE_XCAST_MODE 0x0c
/* length of permanent address message returned from PF */
#define IXGBE_VF_PERMADDR_MSG_LEN 4
/* word in permanent address message with the current multicast type */
#define IXGBE_VF_MC_TYPE_WORD 3
#define IXGBE_PF_CONTROL_MSG 0x0100
/* PF control message */
#define IXGBE_VF_MBX_INIT_TIMEOUT 2000
/* number of retries on mailbox */
#define IXGBE_VF_MBX_INIT_DELAY 500
/* microseconds between retries */
s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16);
s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16);
s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16);
s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16);
#ifdef CONFIG_PCI_IOV
void ixgbe_init_mbx_params_pf(struct ixgbe_hw *);
#endif /* CONFIG_PCI_IOV */
extern const struct ixgbe_mbx_operations mbx_ops_generic;
#endif /* _IXGBE_MBX_H_ */
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