176 lines
7.1 KiB
C
176 lines
7.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* Copyright(c) 1999 - 2020 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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struct ixgbe_mbx_operations {
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void (*init_params)(struct ixgbe_hw *hw);
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void (*release)(struct ixgbe_hw *hw, u16 mbx_id);
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s32 (*read)(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
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s32 (*write)(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
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s32 (*check_for_msg)(struct ixgbe_hw *hw, u16 vf_number);
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s32 (*check_for_ack)(struct ixgbe_hw *hw, u16 vf_number);
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s32 (*check_for_rst)(struct ixgbe_hw *hw, u16 vf_number);
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s32 (*clear)(struct ixgbe_hw *hw, u16 vf_number);
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};
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struct ixgbe_mbx_stats {
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u32 msgs_tx;
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u32 msgs_rx;
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u32 acks;
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u32 reqs;
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u32 rsts;
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};
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struct ixgbe_mbx_info {
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/*
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* PF: One set of operations for each VF to handle various API versions
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* at the same time
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* VF: Only the very first (0) set should be used
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*/
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struct ixgbe_mbx_operations ops[64];
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struct ixgbe_mbx_stats stats;
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u32 timeout;
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u32 usec_delay;
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u32 vf_mailbox;
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u16 size;
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};
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#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */
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#define IXGBE_VFMAILBOX 0x002FC
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#define IXGBE_VFMBMEM 0x00200
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/* Define mailbox register bits */
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#define IXGBE_VFMAILBOX_REQ 0x00000001 /* Request for PF Ready bit */
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#define IXGBE_VFMAILBOX_ACK 0x00000002 /* Ack PF message received */
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#define IXGBE_VFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */
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#define IXGBE_VFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */
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#define IXGBE_VFMAILBOX_PFSTS 0x00000010 /* PF wrote a message in the MB */
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#define IXGBE_VFMAILBOX_PFACK 0x00000020 /* PF ack the previous VF msg */
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#define IXGBE_VFMAILBOX_RSTI 0x00000040 /* PF has reset indication */
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#define IXGBE_VFMAILBOX_RSTD 0x00000080 /* PF has indicated reset done */
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#define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
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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_PFMBICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
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#define IXGBE_PFMBICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */
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#define IXGBE_PFMBICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
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#define IXGBE_PFMBICR_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 results are the value or'd with 0xF0000000
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*/
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#define IXGBE_VT_MSGTYPE_SUCCESS 0x80000000 /* Messages or'd with this
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* have succeeded
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*/
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#define IXGBE_VT_MSGTYPE_FAILURE 0x40000000 /* Messages or'd with this
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* have failed
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*/
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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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*/
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#define IXGBE_VT_MSGINFO_SHIFT 16
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/* bits 23:16 are used for extra 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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/* API 1.4 is being used in the upstream for IPsec */
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ixgbe_mbox_api_14, /* API version 1.4, linux/freebsd VF driver */
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ixgbe_mbox_api_15, /* API version 1.5, 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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/* 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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/* mode choices for IXGBE_VF_UPDATE_XCAST_MODE */
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enum ixgbevf_xcast_modes {
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IXGBEVF_XCAST_MODE_NONE = 0,
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IXGBEVF_XCAST_MODE_MULTI,
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IXGBEVF_XCAST_MODE_ALLMULTI,
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IXGBEVF_XCAST_MODE_PROMISC,
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};
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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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/* 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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/* mailbox API, version 2.0 VF requests */
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#define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */
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#define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */
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#define IXGBE_VF_ENABLE_MACADDR 0x0A /* enable MAC address */
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#define IXGBE_VF_DISABLE_MACADDR 0x0B /* disable MAC address */
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#define IXGBE_VF_GET_MACADDRS 0x0C /* get all configured MAC addrs */
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#define IXGBE_VF_SET_MCAST_PROMISC 0x0D /* enable multicast promiscuous */
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#define IXGBE_VF_GET_MTU 0x0E /* get bounds on MTU */
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#define IXGBE_VF_SET_MTU 0x0F /* set a specific MTU */
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/* mailbox API, version 2.0 PF requests */
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#define IXGBE_PF_TRANSPARENT_VLAN 0x0101 /* enable transparent vlan */
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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 *hw, u32 *msg, u16 size, u16 mbx_id);
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s32 ixgbe_poll_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
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s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id);
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s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id);
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s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id);
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s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id);
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s32 ixgbe_clear_mbx(struct ixgbe_hw *hw, u16 vf_number);
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void ixgbe_init_mbx_params_vf(struct ixgbe_hw *);
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void ixgbe_upgrade_mbx_params_vf(struct ixgbe_hw *hw);
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void ixgbe_init_mbx_params_pf(struct ixgbe_hw *hw);
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void ixgbe_init_mbx_params_pf_id(struct ixgbe_hw *hw, u16 vf_id);
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void ixgbe_upgrade_mbx_params_pf(struct ixgbe_hw *hw, u16 vf_id);
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#endif /* _IXGBE_MBX_H_ */
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