7bf5900964
MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D7194
312 lines
8.4 KiB
C
312 lines
8.4 KiB
C
/*-
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* Copyright (c) 2016 Microsoft Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VMBUS_REG_H_
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#define _VMBUS_REG_H_
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#include <sys/param.h>
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#include <dev/hyperv/include/hyperv.h> /* XXX for hyperv_guid */
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#include <dev/hyperv/include/vmbus.h>
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#include <dev/hyperv/vmbus/hyperv_reg.h>
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/*
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* Hyper-V SynIC message format.
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*/
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#define VMBUS_MSG_DSIZE_MAX 240
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#define VMBUS_MSG_SIZE 256
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struct vmbus_message {
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uint32_t msg_type; /* HYPERV_MSGTYPE_ */
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uint8_t msg_dsize; /* data size */
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uint8_t msg_flags; /* VMBUS_MSGFLAG_ */
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uint16_t msg_rsvd;
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uint64_t msg_id;
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uint8_t msg_data[VMBUS_MSG_DSIZE_MAX];
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} __packed;
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CTASSERT(sizeof(struct vmbus_message) == VMBUS_MSG_SIZE);
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#define VMBUS_MSGFLAG_PENDING 0x01
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/*
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* Hyper-V SynIC event flags
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*/
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#ifdef __LP64__
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#define VMBUS_EVTFLAGS_MAX 32
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#define VMBUS_EVTFLAG_SHIFT 6
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#else
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#define VMBUS_EVTFLAGS_MAX 64
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#define VMBUS_EVTFLAG_SHIFT 5
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#endif
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#define VMBUS_EVTFLAG_LEN (1 << VMBUS_EVTFLAG_SHIFT)
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#define VMBUS_EVTFLAG_MASK (VMBUS_EVTFLAG_LEN - 1)
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#define VMBUS_EVTFLAGS_SIZE 256
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struct vmbus_evtflags {
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u_long evt_flags[VMBUS_EVTFLAGS_MAX];
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} __packed;
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CTASSERT(sizeof(struct vmbus_evtflags) == VMBUS_EVTFLAGS_SIZE);
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/*
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* Hyper-V Monitor Notification Facility
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*/
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struct vmbus_mon_trig {
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uint32_t mt_pending;
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uint32_t mt_armed;
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} __packed;
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#define VMBUS_MONTRIGS_MAX 4
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#define VMBUS_MONTRIG_LEN 32
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struct vmbus_mnf {
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uint32_t mnf_state;
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uint32_t mnf_rsvd1;
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struct vmbus_mon_trig mnf_trigs[VMBUS_MONTRIGS_MAX];
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uint8_t mnf_rsvd2[536];
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uint16_t mnf_lat[VMBUS_MONTRIGS_MAX][VMBUS_MONTRIG_LEN];
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uint8_t mnf_rsvd3[256];
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struct hyperv_mon_param
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mnf_param[VMBUS_MONTRIGS_MAX][VMBUS_MONTRIG_LEN];
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uint8_t mnf_rsvd4[1984];
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} __packed;
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CTASSERT(sizeof(struct vmbus_mnf) == PAGE_SIZE);
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/*
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* Channel
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*/
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#define VMBUS_CHAN_MAX_COMPAT 256
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#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX)
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/*
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* Channel packets
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*/
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#define VMBUS_CHANPKT_SIZE_SHIFT 3
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#define VMBUS_CHANPKT_SIZE_ALIGN (1 << VMBUS_CHANPKT_SIZE_SHIFT)
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#define VMBUS_CHANPKT_SETLEN(pktlen, len) \
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do { \
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(pktlen) = (len) >> VMBUS_CHANPKT_SIZE_SHIFT; \
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} while (0)
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#define VMBUS_CHANPKT_TOTLEN(tlen) \
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roundup2((tlen), VMBUS_CHANPKT_SIZE_ALIGN)
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struct vmbus_chanpkt_hdr {
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uint16_t cph_type;
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uint16_t cph_hlen; /* header len, in 8 bytes */
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uint16_t cph_tlen; /* total len, in 8 bytes */
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uint16_t cph_flags;
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uint64_t cph_xactid;
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} __packed;
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struct vmbus_chanpkt {
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struct vmbus_chanpkt_hdr cp_hdr;
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} __packed;
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struct vmbus_chanpkt_sglist {
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struct vmbus_chanpkt_hdr cp_hdr;
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uint32_t cp_rsvd;
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uint32_t cp_gpa_cnt;
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struct vmbus_gpa cp_gpa[];
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} __packed;
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struct vmbus_chanpkt_prplist {
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struct vmbus_chanpkt_hdr cp_hdr;
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uint32_t cp_rsvd;
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uint32_t cp_range_cnt;
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struct vmbus_gpa_range cp_range[];
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} __packed;
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/*
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* Channel messages
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* - Embedded in vmbus_message.msg_data, e.g. response and notification.
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* - Embedded in hypercall_postmsg_in.hc_data, e.g. request.
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*/
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#define VMBUS_CHANMSG_TYPE_CHOFFER 1 /* NOTE */
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#define VMBUS_CHANMSG_TYPE_CHRESCIND 2 /* NOTE */
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#define VMBUS_CHANMSG_TYPE_CHREQUEST 3 /* REQ */
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#define VMBUS_CHANMSG_TYPE_CHOFFER_DONE 4 /* NOTE */
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#define VMBUS_CHANMSG_TYPE_CHOPEN 5 /* REQ */
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#define VMBUS_CHANMSG_TYPE_CHOPEN_RESP 6 /* RESP */
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#define VMBUS_CHANMSG_TYPE_CHCLOSE 7 /* REQ */
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#define VMBUS_CHANMSG_TYPE_GPADL_CONN 8 /* REQ */
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#define VMBUS_CHANMSG_TYPE_GPADL_SUBCONN 9 /* REQ */
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#define VMBUS_CHANMSG_TYPE_GPADL_CONNRESP 10 /* RESP */
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#define VMBUS_CHANMSG_TYPE_GPADL_DISCONN 11 /* REQ */
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#define VMBUS_CHANMSG_TYPE_GPADL_DISCONNRESP 12 /* RESP */
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#define VMBUS_CHANMSG_TYPE_CHFREE 13 /* REQ */
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#define VMBUS_CHANMSG_TYPE_CONNECT 14 /* REQ */
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#define VMBUS_CHANMSG_TYPE_CONNECT_RESP 15 /* RESP */
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#define VMBUS_CHANMSG_TYPE_DISCONNECT 16 /* REQ */
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#define VMBUS_CHANMSG_TYPE_MAX 22
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struct vmbus_chanmsg_hdr {
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uint32_t chm_type; /* VMBUS_CHANMSG_TYPE_ */
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uint32_t chm_rsvd;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CONNECT */
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struct vmbus_chanmsg_connect {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_ver;
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uint32_t chm_rsvd;
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uint64_t chm_evtflags;
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uint64_t chm_mnf1;
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uint64_t chm_mnf2;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CONNECT_RESP */
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struct vmbus_chanmsg_connect_resp {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint8_t chm_done;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHREQUEST */
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struct vmbus_chanmsg_chrequest {
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struct vmbus_chanmsg_hdr chm_hdr;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_DISCONNECT */
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struct vmbus_chanmsg_disconnect {
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struct vmbus_chanmsg_hdr chm_hdr;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHOPEN */
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struct vmbus_chanmsg_chopen {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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uint32_t chm_openid;
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uint32_t chm_gpadl;
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uint32_t chm_vcpuid;
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uint32_t chm_rxbr_pgofs;
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#define VMBUS_CHANMSG_CHOPEN_UDATA_SIZE 120
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uint8_t chm_udata[VMBUS_CHANMSG_CHOPEN_UDATA_SIZE];
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHOPEN_RESP */
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struct vmbus_chanmsg_chopen_resp {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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uint32_t chm_openid;
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uint32_t chm_status;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_GPADL_CONN */
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struct vmbus_chanmsg_gpadl_conn {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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uint32_t chm_gpadl;
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uint16_t chm_range_len;
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uint16_t chm_range_cnt;
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struct vmbus_gpa_range chm_range;
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} __packed;
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#define VMBUS_CHANMSG_GPADL_CONN_PGMAX 26
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CTASSERT(__offsetof(struct vmbus_chanmsg_gpadl_conn,
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chm_range.gpa_page[VMBUS_CHANMSG_GPADL_CONN_PGMAX]) <=
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HYPERCALL_POSTMSGIN_DSIZE_MAX);
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/* VMBUS_CHANMSG_TYPE_GPADL_SUBCONN */
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struct vmbus_chanmsg_gpadl_subconn {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_msgno;
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uint32_t chm_gpadl;
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uint64_t chm_gpa_page[];
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} __packed;
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#define VMBUS_CHANMSG_GPADL_SUBCONN_PGMAX 28
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CTASSERT(__offsetof(struct vmbus_chanmsg_gpadl_subconn,
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chm_gpa_page[VMBUS_CHANMSG_GPADL_SUBCONN_PGMAX]) <=
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HYPERCALL_POSTMSGIN_DSIZE_MAX);
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/* VMBUS_CHANMSG_TYPE_GPADL_CONNRESP */
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struct vmbus_chanmsg_gpadl_connresp {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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uint32_t chm_gpadl;
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uint32_t chm_status;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHCLOSE */
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struct vmbus_chanmsg_chclose {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_GPADL_DISCONN */
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struct vmbus_chanmsg_gpadl_disconn {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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uint32_t chm_gpadl;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHFREE */
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struct vmbus_chanmsg_chfree {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHRESCIND */
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struct vmbus_chanmsg_chrescind {
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struct vmbus_chanmsg_hdr chm_hdr;
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uint32_t chm_chanid;
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} __packed;
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/* VMBUS_CHANMSG_TYPE_CHOFFER */
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struct vmbus_chanmsg_choffer {
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struct vmbus_chanmsg_hdr chm_hdr;
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struct hyperv_guid chm_chtype;
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struct hyperv_guid chm_chinst;
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uint64_t chm_chlat; /* unit: 100ns */
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uint32_t chm_chrev;
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uint32_t chm_svrctx_sz;
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uint16_t chm_chflags;
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uint16_t chm_mmio_sz; /* unit: MB */
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uint8_t chm_udata[120];
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uint16_t chm_subidx;
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uint16_t chm_rsvd;
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uint32_t chm_chanid;
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uint8_t chm_montrig;
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uint8_t chm_flags1; /* VMBUS_CHOFFER_FLAG1_ */
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uint16_t chm_flags2;
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uint32_t chm_connid;
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} __packed;
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CTASSERT(sizeof(struct vmbus_chanmsg_choffer) <= VMBUS_MSG_DSIZE_MAX);
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#define VMBUS_CHOFFER_FLAG1_HASMNF 0x01
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#endif /* !_VMBUS_REG_H_ */
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