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