1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_VNET_MAILBOX_H 28 #define _SYS_VNET_MAILBOX_H 29 30 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #include <sys/vio_mailbox.h> 35 #include <sys/dds.h> 36 #include <sys/ethernet.h> 37 38 /* 39 * VNET specific Control envelopes: 0x0100 - 0x01FF 40 * type == VIO_TYPE_CTRL 41 * subtype == VIO_SUBTYPE_{INFO|ACK|NACK} 42 */ 43 #define VNET_MCAST_INFO 0x0101 44 #define VNET_DDS_INFO 0x0102 45 #define VNET_PHYSLINK_INFO 0x0103 /* Physical Link Information */ 46 47 /* 48 * Vnet/Vswitch device attributes information message. 49 * 50 * tag.msgtype == VIO_TYPE_CTRL 51 * tag.submsgtype = VIO_SUBTYPE_{INFO|ACK|NACK} 52 * tag.subtype_env == VIO_ATTR_INFO 53 */ 54 55 /* Value for 'addr_type' in vnet attribute message */ 56 #define ADDR_TYPE_MAC 0x1 57 58 /* 59 * Physical link property updates to be negotiated as part of attribute message 60 * exchange, in protocol versions >= 1.5. This is only valid between a vnet 61 * client and the corresponding vswitch service; and not between peer vnets. A 62 * vnet device could negotiate with vswitch to obtain updates about certain 63 * physical link properties. Only 'physical link status' updates are supported 64 * for now. A vnet device that desires to get physical link status updates, 65 * sets the appropriate bit(s) in its ATTR/INFO message to the vswitch; the 66 * vswitch sets the relevant ack/nack bits in its response message. Whenever 67 * there is a change in the physical link props for which the vnet device has 68 * negotiated, vswitch updates it by sending a message with updated values 69 * of the relevant physical link properties (see vnet_physlink_msg_t below). 70 */ 71 enum { 72 PHYSLINK_UPDATE_NONE = 0, 73 PHYSLINK_UPDATE_STATE = 0x1, 74 PHYSLINK_UPDATE_STATE_ACK = 0x2, 75 PHYSLINK_UPDATE_STATE_NACK = 0x3 76 }; 77 78 #define PHYSLINK_UPDATE_STATE_MASK 0x3 79 80 typedef struct vnet_attr_msg { 81 /* Common tag */ 82 vio_msg_tag_t tag; 83 84 /* attributes specific payload */ 85 uint8_t xfer_mode; /* data transfer mode */ 86 uint8_t addr_type; /* device address type */ 87 uint16_t ack_freq; /* ack after rcving # of pkts */ 88 uint8_t physlink_update; /* physlink updates(s)? */ 89 uint8_t resv1; /* reserved */ 90 uint16_t resv2; /* reserved */ 91 92 uint64_t addr; /* device address */ 93 uint64_t mtu; /* maximum data xfer unit */ 94 95 /* padding to align things */ 96 uint64_t resv3[3]; 97 98 } vnet_attr_msg_t; 99 100 /* 101 * Vnet/Vswitch enable/disable multicast address msg 102 * 103 * tag.msgtype == VIO_TYPE_CTRL 104 * tag.subtype == VIO_SUBTYPE_{INFO|ACK|NACK} 105 * tag.subtype_env == VNET_MCAST_INFO 106 */ 107 #define VNET_NUM_MCAST 7 /* max # of multicast addresses in the msg */ 108 109 typedef struct vnet_mcast_msg { 110 /* Common tag */ 111 vio_msg_tag_t tag; 112 113 /* multicast address information */ 114 uint8_t set; /* add if set to 1, else remove */ 115 uint8_t count; /* number of addrs in the msg */ 116 struct ether_addr mca[VNET_NUM_MCAST]; /* mcast addrs */ 117 uint32_t resv1; /* padding */ 118 } vnet_mcast_msg_t; 119 120 /* 121 * Values of the various physical link properties. We 122 * support only 'link state' property updates for now. 123 */ 124 enum { 125 VNET_PHYSLINK_STATE_DOWN = 0x1, 126 VNET_PHYSLINK_STATE_UP = 0x2, 127 VNET_PHYSLINK_STATE_UNKNOWN = 0x3 128 }; 129 130 #define VNET_PHYSLINK_STATE_MASK 0x3 131 132 /* 133 * Vnet/Vswitch physical link info message. 134 * We only support link state information for now. 135 * 136 * tag.msgtype == VIO_TYPE_CTRL 137 * tag.subtype == VIO_SUBTYPE_{INFO|ACK|NACK} 138 * tag.subtype_env == VNET_PHYSLINK_INFO 139 */ 140 typedef struct vnet_physlink_msg { 141 /* Common tag */ 142 vio_msg_tag_t tag; 143 144 /* physical link information */ 145 uint32_t physlink_info; 146 147 /* padding to align things */ 148 uint32_t resv1; 149 uint64_t resv2[5]; 150 } vnet_physlink_msg_t; 151 152 #ifdef __cplusplus 153 } 154 #endif 155 156 #endif /* _SYS_VNET_MAILBOX_H */ 157