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📁 ..
📄 Makefile(2.18 KB)
📄 Makefile.depend(434 B)
📄 Makefile.depend.options(115 B)
📄 acpi.c(29.64 KB)
📄 acpi.h(2.26 KB)
📄 ahci.h(10.72 KB)
📄 atkbdc.c(15.5 KB)
📄 atkbdc.h(1.66 KB)
📄 audio.c(6.84 KB)
📄 audio.h(2.91 KB)
📄 bhyve.8(18.81 KB)
📄 bhyvegc.c(2.76 KB)
📄 bhyvegc.h(1.83 KB)
📄 bhyverun.c(33 KB)
📄 bhyverun.h(2.06 KB)
📄 block_if.c(21.38 KB)
📄 block_if.h(3.37 KB)
📄 bootrom.c(4.92 KB)
📄 bootrom.h(1.8 KB)
📄 console.c(3 KB)
📄 console.h(2.18 KB)
📄 debug.h(1.74 KB)
📄 fwctl.c(9.7 KB)
📄 fwctl.h(1.87 KB)
📄 gdb.c(37.2 KB)
📄 gdb.h(1.65 KB)
📄 hda_codec.c(24.56 KB)
📄 hda_reg.h(57.84 KB)
📄 hdac_reg.h(10.96 KB)
📄 inout.c(6.97 KB)
📄 inout.h(2.54 KB)
📄 ioapic.c(2.45 KB)
📄 ioapic.h(1.65 KB)
📄 iov.c(3.47 KB)
📄 iov.h(1.93 KB)
📄 kernemu_dev.c(2.95 KB)
📄 kernemu_dev.h(1.44 KB)
📄 mem.c(8.78 KB)
📄 mem.h(2.31 KB)
📄 mevent.c(9.86 KB)
📄 mevent.h(1.95 KB)
📄 mevent_test.c(5.36 KB)
📄 mptbl.c(9.44 KB)
📄 mptbl.h(1.53 KB)
📄 net_backends.c(24.6 KB)
📄 net_backends.h(4.19 KB)
📄 net_utils.c(3.04 KB)
📄 net_utils.h(1.67 KB)
📄 pci_ahci.c(64.56 KB)
📄 pci_e82545.c(65.54 KB)
📄 pci_emul.c(54.54 KB)
📄 pci_emul.h(8.47 KB)
📄 pci_fbuf.c(10.34 KB)
📄 pci_hda.c(30.87 KB)
📄 pci_hda.h(2.73 KB)
📄 pci_hostbridge.c(2.43 KB)
📄 pci_irq.c(9.19 KB)
📄 pci_irq.h(1.85 KB)
📄 pci_lpc.c(11.06 KB)
📄 pci_lpc.h(2.41 KB)
📄 pci_nvme.c(73.14 KB)
📄 pci_passthru.c(22.85 KB)
📄 pci_uart.c(3.2 KB)
📄 pci_virtio_9p.c(9.1 KB)
📄 pci_virtio_block.c(15.89 KB)
📄 pci_virtio_console.c(15.86 KB)
📄 pci_virtio_net.c(20.05 KB)
📄 pci_virtio_rnd.c(5.23 KB)
📄 pci_virtio_scsi.c(19.95 KB)
📄 pci_xhci.c(80.6 KB)
📄 pci_xhci.h(13.02 KB)
📄 pctestdev.c(6.3 KB)
📄 pctestdev.h(1.65 KB)
📄 pm.c(8.9 KB)
📄 post.c(1.8 KB)
📄 ps2kbd.c(10.24 KB)
📄 ps2kbd.h(1.8 KB)
📄 ps2mouse.c(9.85 KB)
📄 ps2mouse.h(1.94 KB)
📄 rfb.c(25.9 KB)
📄 rfb.h(1.56 KB)
📄 rtc.c(3.4 KB)
📄 rtc.h(1.52 KB)
📄 smbiostbl.c(25.33 KB)
📄 smbiostbl.h(1.54 KB)
📄 snapshot.c(38.16 KB)
📄 snapshot.h(3.51 KB)
📄 sockstream.c(2.16 KB)
📄 sockstream.h(1.54 KB)
📄 spinup_ap.c(3 KB)
📄 spinup_ap.h(1.5 KB)
📄 task_switch.c(25.78 KB)
📄 uart_emul.c(15.75 KB)
📄 uart_emul.h(1.99 KB)
📄 usb_emul.c(2.3 KB)
📄 usb_emul.h(4.56 KB)
📄 usb_mouse.c(19.9 KB)
📄 vga.c(33.42 KB)
📄 vga.h(5.32 KB)
📄 virtio.c(25.01 KB)
📄 virtio.h(18.67 KB)
📄 vmgenc.c(3.27 KB)
📄 vmgenc.h(1.48 KB)
📄 xmsr.c(5.28 KB)
📄 xmsr.h(1.59 KB)

Editing: snapshot.h

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2016 Flavius Anton
 * Copyright (c) 2016 Mihai Tiganus
 * Copyright (c) 2016-2019 Mihai Carabas
 * Copyright (c) 2017-2019 Darius Mihai
 * Copyright (c) 2017-2019 Elena Mihailescu
 * Copyright (c) 2018-2019 Sergiu Weisz
 * All rights reserved.
 * The bhyve-snapshot feature was developed under sponsorships
 * from Matthew Grooms.
 *
 * 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, 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 NETAPP, INC ``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 NETAPP, INC OR CONTRIBUTORS 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 _BHYVE_SNAPSHOT_
#define _BHYVE_SNAPSHOT_

#include <machine/vmm_snapshot.h>
#include <libxo/xo.h>
#include <ucl.h>

struct vmctx;

struct restore_state {
	int kdata_fd;
	int vmmem_fd;

void *kdata_map;
	size_t kdata_len;

size_t vmmem_len;

struct ucl_parser *meta_parser;
	ucl_object_t *meta_root_obj;
};

struct checkpoint_thread_info {
	struct vmctx *ctx;
	int socket_fd;
};

typedef int (*vm_snapshot_dev_cb)(struct vm_snapshot_meta *);
typedef int (*vm_pause_dev_cb) (struct vmctx *, const char *);
typedef int (*vm_resume_dev_cb) (struct vmctx *, const char *);

struct vm_snapshot_dev_info {
	const char *dev_name;		/* device name */
	vm_snapshot_dev_cb snapshot_cb;	/* callback for device snapshot */
	vm_pause_dev_cb pause_cb;	/* callback for device pause */
	vm_resume_dev_cb resume_cb;	/* callback for device resume */
};

struct vm_snapshot_kern_info {
	const char *struct_name;	/* kernel structure name*/
	enum snapshot_req req;		/* request type */
};

void destroy_restore_state(struct restore_state *rstate);

const char *lookup_vmname(struct restore_state *rstate);
int lookup_memflags(struct restore_state *rstate);
size_t lookup_memsize(struct restore_state *rstate);
int lookup_guest_ncpus(struct restore_state *rstate);

void checkpoint_cpu_add(int vcpu);
void checkpoint_cpu_resume(int vcpu);
void checkpoint_cpu_suspend(int vcpu);

int restore_vm_mem(struct vmctx *ctx, struct restore_state *rstate);
int vm_restore_kern_structs(struct vmctx *ctx, struct restore_state *rstate);

int vm_restore_user_devs(struct vmctx *ctx, struct restore_state *rstate);
int vm_pause_user_devs(struct vmctx *ctx);
int vm_resume_user_devs(struct vmctx *ctx);

int get_checkpoint_msg(int conn_fd, struct vmctx *ctx);
void *checkpoint_thread(void *param);
int init_checkpoint_thread(struct vmctx *ctx);

int load_restore_file(const char *filename, struct restore_state *rstate);

#endif

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Editing: snapshot.h

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