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 */ 72 enum 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 /* This value should always be last */ 77 ixgbe_mbox_api_unknown, /* indicates that API version is not known */ 78 }; 79 80 /* mailbox API, legacy requests */ 81 #define IXGBE_VF_RESET 0x01 /* VF requests reset */ 82 #define IXGBE_VF_SET_MAC_ADDR 0x02 /* VF requests PF to set MAC addr */ 83 #define IXGBE_VF_SET_MULTICAST 0x03 /* VF requests PF to set MC addr */ 84 #define IXGBE_VF_SET_VLAN 0x04 /* VF requests PF to set VLAN */ 85 86 /* mailbox API, version 1.0 VF requests */ 87 #define IXGBE_VF_SET_LPE 0x05 /* VF requests PF to set VMOLR.LPE */ 88 #define IXGBE_VF_SET_MACVLAN 0x06 /* VF requests PF for unicast filter */ 89 #define IXGBE_VF_API_NEGOTIATE 0x08 /* negotiate API version */ 90 91 /* mailbox API, version 1.1 VF requests */ 92 #define IXGBE_VF_GET_QUEUES 0x09 /* get queue configuration */ 93 94 /* GET_QUEUES return data indices within the mailbox */ 95 #define IXGBE_VF_TX_QUEUES 1 /* number of Tx queues supported */ 96 #define IXGBE_VF_RX_QUEUES 2 /* number of Rx queues supported */ 97 #define IXGBE_VF_TRANS_VLAN 3 /* Indication of port vlan */ 98 #define IXGBE_VF_DEF_QUEUE 4 /* Default queue offset */ 99 100 /* length of permanent address message returned from PF */ 101 #define IXGBE_VF_PERMADDR_MSG_LEN 4 102 /* word in permanent address message with the current multicast type */ 103 #define IXGBE_VF_MC_TYPE_WORD 3 104 105 #define IXGBE_PF_CONTROL_MSG 0x0100 /* PF control message */ 106 107 #define IXGBE_VF_MBX_INIT_TIMEOUT 2000 /* number of retries on mailbox */ 108 #define IXGBE_VF_MBX_INIT_DELAY 500 /* microseconds between retries */ 109 110 s32 ixgbe_read_mbx(struct ixgbe_hw *, u32 *, u16, u16); 111 s32 ixgbe_write_mbx(struct ixgbe_hw *, u32 *, u16, u16); 112 s32 ixgbe_check_for_msg(struct ixgbe_hw *, u16); 113 s32 ixgbe_check_for_ack(struct ixgbe_hw *, u16); 114 s32 ixgbe_check_for_rst(struct ixgbe_hw *, u16); 115 #ifdef CONFIG_PCI_IOV 116 void ixgbe_init_mbx_params_pf(struct ixgbe_hw *); 117 #endif /* CONFIG_PCI_IOV */ 118 119 extern struct ixgbe_mbx_operations mbx_ops_generic; 120 121 #endif /* _IXGBE_MBX_H_ */ 122