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/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2013 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#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 */
/* 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 struct ixgbe_mbx_operations mbx_ops_generic;
#endif /* _IXGBE_MBX_H_ */
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