1/******************************************************************************* 2 3 Intel 10 Gigabit PCI Express Linux driver 4 Copyright(c) 1999 - 2013 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 Linux NICS <linux.nics@intel.com> 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 26 27*******************************************************************************/ 28 29#ifndef _IXGBE_MBX_H_ 30#define _IXGBE_MBX_H_ 31 32#include "ixgbe_type.h" 33 34#define IXGBE_VFMAILBOX_SIZE 16 /* 16 32 bit words - 64 bytes */ 35#define IXGBE_ERR_MBX -100 36 37#define IXGBE_VFMAILBOX 0x002FC 38#define IXGBE_VFMBMEM 0x00200 39 40#define IXGBE_PFMAILBOX_STS 0x00000001 /* Initiate message send to VF */ 41#define IXGBE_PFMAILBOX_ACK 0x00000002 /* Ack message recv'd from VF */ 42#define IXGBE_PFMAILBOX_VFU 0x00000004 /* VF owns the mailbox buffer */ 43#define IXGBE_PFMAILBOX_PFU 0x00000008 /* PF owns the mailbox buffer */ 44#define IXGBE_PFMAILBOX_RVFU 0x00000010 /* Reset VFU - used when VF stuck */ 45 46#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */ 47#define IXGBE_MBVFICR_VFREQ_VF1 0x00000001 /* bit for VF 1 message */ 48#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */ 49#define IXGBE_MBVFICR_VFACK_VF1 0x00010000 /* bit for VF 1 ack */ 50 51 52/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the 53 * PF. The reverse is true if it is IXGBE_PF_*. 54 * Message ACK's are the value or'd with 0xF0000000 55 */ 56#define IXGBE_VT_MSGTYPE_ACK 0x80000000 /* Messages below or'd with 57 * this are the ACK */ 58#define IXGBE_VT_MSGTYPE_NACK 0x40000000 /* Messages below or'd with 59 * this are the NACK */ 60#define IXGBE_VT_MSGTYPE_CTS 0x20000000 /* Indicates that VF is still 61 clear to send requests */ 62#define IXGBE_VT_MSGINFO_SHIFT 16 63/* bits 23:16 are used for exra info for certain messages */ 64#define IXGBE_VT_MSGINFO_MASK (0xFF << IXGBE_VT_MSGINFO_SHIFT) 65 66/* definitions to support mailbox API version negotiation */ 67 68/* 69 * Each element denotes a version of the API; existing numbers may not 70 * change; any additions must go at the end 71 */ 72enum ixgbe_pfvf_api_rev { 73 ixgbe_mbox_api_10, /* API version 1.0, linux/freebsd VF driver */ 74 ixgbe_mbox_api_20, /* API version 2.0, solaris Phase1 VF driver */ 75 ixgbe_mbox_api_11, /* API version 1.1, linux/freebsd VF driver */ 76 ixgbe_mbox_api_12, /* API version 1.2, linux/freebsd VF driver */ 77 /* This value should always be last */ 78 ixgbe_mbox_api_unknown, /* indicates that API version is not known */ 79}; 80 81/* mailbox API, legacy requests */ 82#define IXGBE_VF_RESET 0x01 /* VF requests reset */ 83#define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ 84#define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ 85#define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ 86 87/* mailbox API, version 1.0 VF requests */ 88#define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ 89#define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ 90#define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ 91 92/* mailbox API, version 1.1 VF requests */ 93#define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */ 94 95/* GET_QUEUES return data indices within the mailbox */ 96#define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ 97#define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ 98#define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */ 99#define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ 100 101/* mailbox API, version 1.2 VF requests */ 102#define IXGBE_VF_GET_RETA 0x0a /* VF request for RETA */ 103#define IXGBE_VF_GET_RSS_KEY 0x0b /* get RSS key */ 104 105/* length of permanent address message returned from PF */ 106#define IXGBE_VF_PERMADDR_MSG_LEN 4 107/* word in permanent address message with the current multicast type */ 108#define IXGBE_VF_MC_TYPE_WORD 3 109 110#define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ 111 112#define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ 113#define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ 114 115s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); 116s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); 117s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); 118s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); 119s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); 120#ifdef CONFIG_PCI_IOV 121void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); 122#endif /* CONFIG_PCI_IOV */ 123 124extern struct ixgbe_mbx_operations mbx_ops_generic; 125 126#endif /* _IXGBE_MBX_H_ */ 127