Index: head/sys/dev/hyperv/utilities/hv_heartbeat.c =================================================================== --- head/sys/dev/hyperv/utilities/hv_heartbeat.c (revision 303821) +++ head/sys/dev/hyperv/utilities/hv_heartbeat.c (revision 303822) @@ -1,134 +1,133 @@ /*- * Copyright (c) 2014,2016 Microsoft Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include "hv_util.h" #include "vmbus_if.h" /* Heartbeat Service */ static const struct hyperv_guid service_guid = { .hv_guid = {0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e, 0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d} }; /** * Process heartbeat message */ static void hv_heartbeat_cb(struct vmbus_channel *channel, void *context) { uint8_t* buf; int recvlen; uint64_t requestid; int ret; struct hv_vmbus_heartbeat_msg_data* heartbeat_msg; struct hv_vmbus_icmsg_hdr* icmsghdrp; hv_util_sc *softc; softc = (hv_util_sc*)context; buf = softc->receive_buffer; recvlen = PAGE_SIZE; ret = vmbus_chan_recv(channel, buf, &recvlen, &requestid); KASSERT(ret != ENOBUFS, ("hvheartbeat recvbuf is not large enough")); /* XXX check recvlen to make sure that it contains enough data */ if ((ret == 0) && recvlen > 0) { icmsghdrp = (struct hv_vmbus_icmsg_hdr *) &buf[sizeof(struct hv_vmbus_pipe_hdr)]; if (icmsghdrp->icmsgtype == HV_ICMSGTYPE_NEGOTIATE) { - hv_negotiate_version(icmsghdrp, NULL, buf); - + hv_negotiate_version(icmsghdrp, buf); } else { heartbeat_msg = (struct hv_vmbus_heartbeat_msg_data *) &buf[sizeof(struct hv_vmbus_pipe_hdr) + sizeof(struct hv_vmbus_icmsg_hdr)]; heartbeat_msg->seq_num += 1; } icmsghdrp->icflags = HV_ICMSGHDRFLAG_TRANSACTION | HV_ICMSGHDRFLAG_RESPONSE; vmbus_chan_send(channel, VMBUS_CHANPKT_TYPE_INBAND, 0, buf, recvlen, requestid); } } static int hv_heartbeat_probe(device_t dev) { if (resource_disabled("hvheartbeat", 0)) return ENXIO; if (VMBUS_PROBE_GUID(device_get_parent(dev), dev, &service_guid) == 0) { device_set_desc(dev, "Hyper-V Heartbeat Service"); return BUS_PROBE_DEFAULT; } return ENXIO; } static int hv_heartbeat_attach(device_t dev) { hv_util_sc *softc = (hv_util_sc*)device_get_softc(dev); softc->callback = hv_heartbeat_cb; return hv_util_attach(dev); } static device_method_t heartbeat_methods[] = { /* Device interface */ DEVMETHOD(device_probe, hv_heartbeat_probe), DEVMETHOD(device_attach, hv_heartbeat_attach), DEVMETHOD(device_detach, hv_util_detach), { 0, 0 } }; static driver_t heartbeat_driver = { "hvheartbeat", heartbeat_methods, sizeof(hv_util_sc)}; static devclass_t heartbeat_devclass; DRIVER_MODULE(hv_heartbeat, vmbus, heartbeat_driver, heartbeat_devclass, NULL, NULL); MODULE_VERSION(hv_heartbeat, 1); MODULE_DEPEND(hv_heartbeat, vmbus, 1, 1, 1); Index: head/sys/dev/hyperv/utilities/hv_shutdown.c =================================================================== --- head/sys/dev/hyperv/utilities/hv_shutdown.c (revision 303821) +++ head/sys/dev/hyperv/utilities/hv_shutdown.c (revision 303822) @@ -1,156 +1,155 @@ /*- * Copyright (c) 2014,2016 Microsoft Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /* * A common driver for all hyper-V util services. */ #include #include #include #include #include #include #include #include #include #include #include #include #include "hv_util.h" #include "vmbus_if.h" static const struct hyperv_guid service_guid = { .hv_guid = {0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49, 0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB} }; /** * Shutdown */ static void hv_shutdown_cb(struct vmbus_channel *channel, void *context) { uint8_t* buf; uint8_t execute_shutdown = 0; hv_vmbus_icmsg_hdr* icmsghdrp; uint32_t recv_len; uint64_t request_id; int ret; hv_vmbus_shutdown_msg_data* shutdown_msg; hv_util_sc *softc; softc = (hv_util_sc*)context; buf = softc->receive_buffer; recv_len = PAGE_SIZE; ret = vmbus_chan_recv(channel, buf, &recv_len, &request_id); KASSERT(ret != ENOBUFS, ("hvshutdown recvbuf is not large enough")); /* XXX check recv_len to make sure that it contains enough data */ if ((ret == 0) && recv_len > 0) { icmsghdrp = (struct hv_vmbus_icmsg_hdr *) &buf[sizeof(struct hv_vmbus_pipe_hdr)]; if (icmsghdrp->icmsgtype == HV_ICMSGTYPE_NEGOTIATE) { - hv_negotiate_version(icmsghdrp, NULL, buf); - + hv_negotiate_version(icmsghdrp, buf); } else { shutdown_msg = (struct hv_vmbus_shutdown_msg_data *) &buf[sizeof(struct hv_vmbus_pipe_hdr) + sizeof(struct hv_vmbus_icmsg_hdr)]; switch (shutdown_msg->flags) { case 0: case 1: icmsghdrp->status = HV_S_OK; execute_shutdown = 1; if(bootverbose) printf("Shutdown request received -" " graceful shutdown initiated\n"); break; default: icmsghdrp->status = HV_E_FAIL; execute_shutdown = 0; printf("Shutdown request received -" " Invalid request\n"); break; } } icmsghdrp->icflags = HV_ICMSGHDRFLAG_TRANSACTION | HV_ICMSGHDRFLAG_RESPONSE; vmbus_chan_send(channel, VMBUS_CHANPKT_TYPE_INBAND, 0, buf, recv_len, request_id); } if (execute_shutdown) shutdown_nice(RB_POWEROFF); } static int hv_shutdown_probe(device_t dev) { if (resource_disabled("hvshutdown", 0)) return ENXIO; if (VMBUS_PROBE_GUID(device_get_parent(dev), dev, &service_guid) == 0) { device_set_desc(dev, "Hyper-V Shutdown Service"); return BUS_PROBE_DEFAULT; } return ENXIO; } static int hv_shutdown_attach(device_t dev) { hv_util_sc *softc = (hv_util_sc*)device_get_softc(dev); softc->callback = hv_shutdown_cb; return hv_util_attach(dev); } static device_method_t shutdown_methods[] = { /* Device interface */ DEVMETHOD(device_probe, hv_shutdown_probe), DEVMETHOD(device_attach, hv_shutdown_attach), DEVMETHOD(device_detach, hv_util_detach), { 0, 0 } }; static driver_t shutdown_driver = { "hvshutdown", shutdown_methods, sizeof(hv_util_sc)}; static devclass_t shutdown_devclass; DRIVER_MODULE(hv_shutdown, vmbus, shutdown_driver, shutdown_devclass, NULL, NULL); MODULE_VERSION(hv_shutdown, 1); MODULE_DEPEND(hv_shutdown, vmbus, 1, 1, 1); Index: head/sys/dev/hyperv/utilities/hv_timesync.c =================================================================== --- head/sys/dev/hyperv/utilities/hv_timesync.c (revision 303821) +++ head/sys/dev/hyperv/utilities/hv_timesync.c (revision 303822) @@ -1,221 +1,221 @@ /*- * Copyright (c) 2014,2016 Microsoft Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /* * A common driver for all hyper-V util services. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "hv_util.h" #include "vmbus_if.h" #define HV_WLTIMEDELTA 116444736000000000L /* in 100ns unit */ #define HV_ICTIMESYNCFLAG_PROBE 0 #define HV_ICTIMESYNCFLAG_SYNC 1 #define HV_ICTIMESYNCFLAG_SAMPLE 2 #define HV_NANO_SEC_PER_SEC 1000000000 /* Time Sync data */ typedef struct { uint64_t data; } time_sync_data; /* Time Synch Service */ static const struct hyperv_guid service_guid = {.hv_guid = {0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49, 0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf } }; struct hv_ictimesync_data { uint64_t parenttime; uint64_t childtime; uint64_t roundtriptime; uint8_t flags; } __packed; typedef struct hv_timesync_sc { hv_util_sc util_sc; struct task task; time_sync_data time_msg; } hv_timesync_sc; /** * Set host time based on time sync message from host */ static void hv_set_host_time(void *context, int pending) { hv_timesync_sc *softc = (hv_timesync_sc*)context; uint64_t hosttime = softc->time_msg.data; struct timespec guest_ts, host_ts; uint64_t host_tns; int64_t diff; int error; host_tns = (hosttime - HV_WLTIMEDELTA) * 100; host_ts.tv_sec = (time_t)(host_tns/HV_NANO_SEC_PER_SEC); host_ts.tv_nsec = (long)(host_tns%HV_NANO_SEC_PER_SEC); nanotime(&guest_ts); diff = (int64_t)host_ts.tv_sec - (int64_t)guest_ts.tv_sec; /* * If host differs by 5 seconds then make the guest catch up */ if (diff > 5 || diff < -5) { error = kern_clock_settime(curthread, CLOCK_REALTIME, &host_ts); } } /** * @brief Synchronize time with host after reboot, restore, etc. * * ICTIMESYNCFLAG_SYNC flag bit indicates reboot, restore events of the VM. * After reboot the flag ICTIMESYNCFLAG_SYNC is included in the first time * message after the timesync channel is opened. Since the hv_utils module is * loaded after hv_vmbus, the first message is usually missed. The other * thing is, systime is automatically set to emulated hardware clock which may * not be UTC time or in the same time zone. So, to override these effects, we * use the first 50 time samples for initial system time setting. */ static inline void hv_adj_guesttime(hv_timesync_sc *sc, uint64_t hosttime, uint8_t flags) { sc->time_msg.data = hosttime; if (((flags & HV_ICTIMESYNCFLAG_SYNC) != 0) || ((flags & HV_ICTIMESYNCFLAG_SAMPLE) != 0)) { taskqueue_enqueue(taskqueue_thread, &sc->task); } } /** * Time Sync Channel message handler */ static void hv_timesync_cb(struct vmbus_channel *channel, void *context) { hv_vmbus_icmsg_hdr* icmsghdrp; uint32_t recvlen; uint64_t requestId; int ret; uint8_t* time_buf; struct hv_ictimesync_data* timedatap; hv_timesync_sc *softc; softc = (hv_timesync_sc*)context; time_buf = softc->util_sc.receive_buffer; recvlen = PAGE_SIZE; ret = vmbus_chan_recv(channel, time_buf, &recvlen, &requestId); KASSERT(ret != ENOBUFS, ("hvtimesync recvbuf is not large enough")); /* XXX check recvlen to make sure that it contains enough data */ if ((ret == 0) && recvlen > 0) { icmsghdrp = (struct hv_vmbus_icmsg_hdr *) &time_buf[ sizeof(struct hv_vmbus_pipe_hdr)]; if (icmsghdrp->icmsgtype == HV_ICMSGTYPE_NEGOTIATE) { - hv_negotiate_version(icmsghdrp, NULL, time_buf); + hv_negotiate_version(icmsghdrp, time_buf); } else { timedatap = (struct hv_ictimesync_data *) &time_buf[ sizeof(struct hv_vmbus_pipe_hdr) + sizeof(struct hv_vmbus_icmsg_hdr)]; hv_adj_guesttime(softc, timedatap->parenttime, timedatap->flags); } icmsghdrp->icflags = HV_ICMSGHDRFLAG_TRANSACTION | HV_ICMSGHDRFLAG_RESPONSE; vmbus_chan_send(channel, VMBUS_CHANPKT_TYPE_INBAND, 0, time_buf, recvlen, requestId); } } static int hv_timesync_probe(device_t dev) { if (resource_disabled("hvtimesync", 0)) return ENXIO; if (VMBUS_PROBE_GUID(device_get_parent(dev), dev, &service_guid) == 0) { device_set_desc(dev, "Hyper-V Time Synch Service"); return BUS_PROBE_DEFAULT; } return ENXIO; } static int hv_timesync_attach(device_t dev) { hv_timesync_sc *softc = device_get_softc(dev); softc->util_sc.callback = hv_timesync_cb; TASK_INIT(&softc->task, 1, hv_set_host_time, softc); return hv_util_attach(dev); } static int hv_timesync_detach(device_t dev) { hv_timesync_sc *softc = device_get_softc(dev); taskqueue_drain(taskqueue_thread, &softc->task); return hv_util_detach(dev); } static device_method_t timesync_methods[] = { /* Device interface */ DEVMETHOD(device_probe, hv_timesync_probe), DEVMETHOD(device_attach, hv_timesync_attach), DEVMETHOD(device_detach, hv_timesync_detach), { 0, 0 } }; static driver_t timesync_driver = { "hvtimesync", timesync_methods, sizeof(hv_timesync_sc)}; static devclass_t timesync_devclass; DRIVER_MODULE(hv_timesync, vmbus, timesync_driver, timesync_devclass, NULL, NULL); MODULE_VERSION(hv_timesync, 1); MODULE_DEPEND(hv_timesync, vmbus, 1, 1, 1); Index: head/sys/dev/hyperv/utilities/hv_util.c =================================================================== --- head/sys/dev/hyperv/utilities/hv_util.c (revision 303821) +++ head/sys/dev/hyperv/utilities/hv_util.c (revision 303822) @@ -1,119 +1,118 @@ /*- * Copyright (c) 2014,2016 Microsoft Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ /* * A common driver for all hyper-V util services. */ #include #include #include #include #include #include #include #include #include #include #include #include "hv_util.h" void -hv_negotiate_version( - struct hv_vmbus_icmsg_hdr* icmsghdrp, - struct hv_vmbus_icmsg_negotiate* negop, - uint8_t* buf) +hv_negotiate_version(struct hv_vmbus_icmsg_hdr *icmsghdrp, uint8_t *buf) { + struct hv_vmbus_icmsg_negotiate *negop; + icmsghdrp->icmsgsize = 0x10; negop = (struct hv_vmbus_icmsg_negotiate *)&buf[ sizeof(struct hv_vmbus_pipe_hdr) + sizeof(struct hv_vmbus_icmsg_hdr)]; if (negop->icframe_vercnt >= 2 && negop->icversion_data[1].major == 3) { negop->icversion_data[0].major = 3; negop->icversion_data[0].minor = 0; negop->icversion_data[1].major = 3; negop->icversion_data[1].minor = 0; } else { negop->icversion_data[0].major = 1; negop->icversion_data[0].minor = 0; negop->icversion_data[1].major = 1; negop->icversion_data[1].minor = 0; } negop->icframe_vercnt = 1; negop->icmsg_vercnt = 1; } int hv_util_attach(device_t dev) { struct hv_util_sc* softc; struct vmbus_channel *chan; int ret; softc = device_get_softc(dev); softc->receive_buffer = malloc(4 * PAGE_SIZE, M_DEVBUF, M_WAITOK | M_ZERO); chan = vmbus_get_channel(dev); /* * These services are not performance critical and do not need * batched reading. Furthermore, some services such as KVP can * only handle one message from the host at a time. * Turn off batched reading for all util drivers before we open the * channel. */ vmbus_chan_set_readbatch(chan, false); ret = vmbus_chan_open(chan, 4 * PAGE_SIZE, 4 * PAGE_SIZE, NULL, 0, softc->callback, softc); if (ret) goto error0; return (0); error0: free(softc->receive_buffer, M_DEVBUF); return (ret); } int hv_util_detach(device_t dev) { struct hv_util_sc *sc = device_get_softc(dev); vmbus_chan_close(vmbus_get_channel(dev)); free(sc->receive_buffer, M_DEVBUF); return (0); } Index: head/sys/dev/hyperv/utilities/hv_util.h =================================================================== --- head/sys/dev/hyperv/utilities/hv_util.h (revision 303821) +++ head/sys/dev/hyperv/utilities/hv_util.h (revision 303822) @@ -1,53 +1,51 @@ /*- * Copyright (c) 2009-2012,2016 Microsoft Corp. * Copyright (c) 2012 NetApp Inc. * Copyright (c) 2012 Citrix Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _HVUTIL_H_ #define _HVUTIL_H_ /** * hv_util related structures * */ typedef struct hv_util_sc { /* * function to process Hyper-V messages */ void (*callback)(struct vmbus_channel *, void *); uint8_t *receive_buffer; } hv_util_sc; -void hv_negotiate_version( - struct hv_vmbus_icmsg_hdr* icmsghdrp, - struct hv_vmbus_icmsg_negotiate* negop, - uint8_t* buf); +void hv_negotiate_version(struct hv_vmbus_icmsg_hdr *icmsghdrp, uint8_t *buf); int hv_util_attach(device_t dev); int hv_util_detach(device_t dev); + #endif