# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1272968597 -3600
# Node ID 742311878ae5d32f43480d71b26cdafa68fa03bd
# Parent 3e5383b537c5d05634cabca0026a46037cd54067
xl: Move xl command implementation to a seperate file
Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
---
tools/libxl/Makefile | 5
tools/libxl/xl.c | 2834 ----------------------------------------------
tools/libxl/xl_cmdimpl.c | 2865 +++++++++++++++++++++++++++++++++++++++++++++++
tools/libxl/xl_cmdimpl.h | 39
4 files changed, 2911 insertions(+), 2832 deletions(-)
diff -r 3e5383b537c5 -r 742311878ae5 tools/libxl/Makefile
--- a/tools/libxl/Makefile Tue May 04 11:09:32 2010 +0100
+++ b/tools/libxl/Makefile Tue May 04 11:23:17 2010 +0100
@@ -79,7 +79,10 @@ xl.o: xl.c
xl.o: xl.c
$(CC) $(CFLAGS) -c xl.c
-$(CLIENTS): xl.o libxlutil.so libxenlight.so
+xl_cmdimpl.o: xl_cmdimpl.c
+ $(CC) $(CFLAGS) -c xl_cmdimpl.c
+
+$(CLIENTS): xl.o xl_cmdimpl.o libxlutil.so libxenlight.so
$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
.PHONY: install
diff -r 3e5383b537c5 -r 742311878ae5 tools/libxl/xl.c
--- a/tools/libxl/xl.c Tue May 04 11:09:32 2010 +0100
+++ b/tools/libxl/xl.c Tue May 04 11:23:17 2010 +0100
@@ -17,74 +17,21 @@
#include "libxl_osdeps.h"
#include <stdio.h>
-#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h> /* for time */
-#include <getopt.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <signal.h>
-#include <sys/socket.h>
-#include <sys/select.h>
-#include <arpa/inet.h>
-#include <sys/utsname.h> /* for utsname in xl info */
-#include <xenctrl.h>
#include <ctype.h>
#include <inttypes.h>
#include "libxl.h"
-#include "libxl_utils.h"
-#include "libxlutil.h"
+#include "xl_cmdimpl.h"
-#define UUID_FMT
"%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
-
-static int logfile = 2;
-
-/* every libxl action in xl uses this same libxl context */
-static struct libxl_ctx ctx;
-
-/* when we operate on a domain, it is this one: */
-static uint32_t domid;
-static const char *common_domname;
-
-
-static const char savefileheader_magic[32]=
- "Xen saved domain, xl format\n \0 \r";
-
-static const char migrate_receiver_banner[]=
- "xl migration receiver ready, send binary domain data.\n";
-static const char migrate_receiver_ready[]=
- "domain received, ready to unpause";
-static const char migrate_permission_to_go[]=
- "domain is yours, you are cleared to unpause";
-static const char migrate_report[]=
- "my copy unpause results are as follows";
- /* followed by one byte:
- * 0: everything went well, domain is running
- * next thing is we all exit
- * non-0: things went badly
- * next thing should be a migrate_permission_to_go
- * from target to source
- */
-
-struct save_file_header {
- char magic[32]; /* savefileheader_magic */
- /* All uint32_ts are in domain's byte order. */
- uint32_t byteorder; /* SAVEFILE_BYTEORDER_VALUE */
- uint32_t mandatory_flags; /* unknown flags => reject restore */
- uint32_t optional_flags; /* unknown flags => reject restore */
- uint32_t optional_data_len; /* skip, or skip tail, if not understood */
-};
-
-/* Optional data, in order:
- * 4 bytes uint32_t config file size
- * n bytes config file in Unix text file format
- */
-
-#define SAVEFILE_BYTEORDER_VALUE ((uint32_t)0x01020304UL)
+extern struct libxl_ctx ctx;
+extern int logfile;
void log_callback(void *userdata, int loglevel, const char *file, int line,
const char *func, char *s)
{
@@ -92,2781 +39,6 @@ void log_callback(void *userdata, int lo
snprintf(str, sizeof(str), "[%d] %s:%d:%s: %s\n", loglevel, file, line,
func, s);
write(logfile, str, strlen(str));
-}
-
-static int domain_qualifier_to_domid(const char *p, uint32_t *domid_r,
- int *was_name_r)
-{
- int i, alldigit;
-
- alldigit = 1;
- for (i = 0; p[i]; i++) {
- if (!isdigit((uint8_t)p[i])) {
- alldigit = 0;
- break;
- }
- }
-
- if (i > 0 && alldigit) {
- *domid_r = strtoul(p, NULL, 10);
- if (was_name_r) *was_name_r = 0;
- return 0;
- } else {
- /* check here if it's a uuid and do proper conversion */
- }
- if (was_name_r) *was_name_r = 1;
- return libxl_name_to_domid(&ctx, p, domid_r);
-}
-
-static void find_domain(const char *p)
-{
- int rc, was_name;
-
- rc = domain_qualifier_to_domid(p, &domid, &was_name);
- if (rc) {
- fprintf(stderr, "%s is an invalid domain identifier (rc=%d)\n", p, rc);
- exit(2);
- }
- common_domname = was_name ? p : 0;
-}
-
-#define LOG(_f, _a...) dolog(__FILE__, __LINE__, __func__, _f "\n", ##_a)
-
-void dolog(const char *file, int line, const char *func, char *fmt, ...)
-{
- va_list ap;
- char *s;
- int rc;
-
- va_start(ap, fmt);
- rc = vasprintf(&s, fmt, ap);
- va_end(ap);
- if (rc >= 0)
- write(logfile, s, rc);
-}
-
-static void init_create_info(libxl_domain_create_info *c_info)
-{
- memset(c_info, '\0', sizeof(*c_info));
- c_info->xsdata = NULL;
- c_info->platformdata = NULL;
- c_info->hvm = 1;
- c_info->oos = 1;
- c_info->ssidref = 0;
-}
-
-static void init_build_info(libxl_domain_build_info *b_info,
libxl_domain_create_info *c_info)
-{
- memset(b_info, '\0', sizeof(*b_info));
- b_info->timer_mode = -1;
- b_info->hpet = 1;
- b_info->vpt_align = -1;
- b_info->max_vcpus = 1;
- b_info->max_memkb = 32 * 1024;
- b_info->target_memkb = b_info->max_memkb;
- if (c_info->hvm) {
- b_info->shadow_memkb =
libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
- b_info->video_memkb = 8 * 1024;
- b_info->kernel = "/usr/lib/xen/boot/hvmloader";
- b_info->hvm = 1;
- b_info->u.hvm.pae = 1;
- b_info->u.hvm.apic = 1;
- b_info->u.hvm.acpi = 1;
- b_info->u.hvm.nx = 1;
- b_info->u.hvm.viridian = 0;
- } else {
- b_info->u.pv.slack_memkb = 8 * 1024;
- }
-}
-
-static void init_dm_info(libxl_device_model_info *dm_info,
- libxl_domain_create_info *c_info, libxl_domain_build_info *b_info)
-{
- int i;
- memset(dm_info, '\0', sizeof(*dm_info));
-
- for (i = 0; i < 16; i++) {
- dm_info->uuid[i] = rand();
- }
-
- dm_info->dom_name = c_info->name;
- dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
- dm_info->videoram = b_info->video_memkb / 1024;
- dm_info->apic = b_info->u.hvm.apic;
-
- dm_info->stdvga = 0;
- dm_info->vnc = 1;
- dm_info->vnclisten = "127.0.0.1";
- dm_info->vncdisplay = 0;
- dm_info->vncunused = 0;
- dm_info->keymap = NULL;
- dm_info->sdl = 0;
- dm_info->opengl = 0;
- dm_info->nographic = 0;
- dm_info->serial = NULL;
- dm_info->boot = "cda";
- dm_info->usb = 0;
- dm_info->usbdevice = NULL;
-}
-
-static void init_nic_info(libxl_device_nic *nic_info, int devnum)
-{
- memset(nic_info, '\0', sizeof(*nic_info));
-
- nic_info->backend_domid = 0;
- nic_info->domid = 0;
- nic_info->devid = devnum;
- nic_info->mtu = 1492;
- nic_info->model = "e1000";
- nic_info->mac[0] = 0x00;
- nic_info->mac[1] = 0x16;
- nic_info->mac[2] = 0x3e;
- nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
- nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
- nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
- nic_info->ifname = NULL;
- nic_info->bridge = "xenbr0";
- nic_info->script = "/etc/xen/scripts/vif-bridge";
- nic_info->nictype = NICTYPE_IOEMU;
-}
-
-static void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
-{
- memset(vfb, 0x00, sizeof(libxl_device_vfb));
- vfb->devid = dev_num;
- vfb->vnc = 1;
- vfb->vnclisten = "127.0.0.1";
- vfb->vncdisplay = 0;
- vfb->vncunused = 1;
- vfb->keymap = NULL;
- vfb->sdl = 0;
- vfb->opengl = 0;
-}
-
-static void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
-{
- memset(vkb, 0x00, sizeof(libxl_device_vkb));
- vkb->devid = dev_num;
-}
-
-static void init_console_info(libxl_device_console *console, int dev_num,
libxl_domain_build_state *state)
-{
- memset(console, 0x00, sizeof(libxl_device_console));
- console->devid = dev_num;
- console->constype = CONSTYPE_XENCONSOLED;
- if (state)
- console->build_state = state;
-}
-
-static void printf_info(libxl_domain_create_info *c_info,
- libxl_domain_build_info *b_info,
- libxl_device_disk *disks,
- int num_disks,
- libxl_device_nic *vifs,
- int num_vifs,
- libxl_device_pci *pcidevs,
- int num_pcidevs,
- libxl_device_vfb *vfbs,
- int num_vfbs,
- libxl_device_vkb *vkb,
- int num_vkbs,
- libxl_device_model_info *dm_info)
-{
- int i;
- printf("*** domain_create_info ***\n");
- printf("hvm: %d\n", c_info->hvm);
- printf("hap: %d\n", c_info->hap);
- printf("oos: %d\n", c_info->oos);
- printf("ssidref: %d\n", c_info->ssidref);
- printf("name: %s\n", c_info->name);
- printf("uuid: " UUID_FMT "\n",
- (c_info->uuid)[0], (c_info->uuid)[1], (c_info->uuid)[2],
(c_info->uuid)[3],
- (c_info->uuid)[4], (c_info->uuid)[5], (c_info->uuid)[6],
(c_info->uuid)[7],
- (c_info->uuid)[8], (c_info->uuid)[9], (c_info->uuid)[10],
(c_info->uuid)[11],
- (c_info->uuid)[12], (c_info->uuid)[13], (c_info->uuid)[14],
(c_info->uuid)[15]);
- if (c_info->xsdata)
- printf("xsdata: contains data\n");
- else
- printf("xsdata: (null)\n");
- if (c_info->platformdata)
- printf("platformdata: contains data\n");
- else
- printf("platformdata: (null)\n");
-
-
- printf("\n\n\n*** domain_build_info ***\n");
- printf("timer_mode: %d\n", b_info->timer_mode);
- printf("hpet: %d\n", b_info->hpet);
- printf("vpt_align: %d\n", b_info->vpt_align);
- printf("max_vcpus: %d\n", b_info->max_vcpus);
- printf("tsc_mode: %d\n", b_info->tsc_mode);
- printf("max_memkb: %d\n", b_info->max_memkb);
- printf("target_memkb: %d\n", b_info->target_memkb);
- printf("kernel: %s\n", b_info->kernel);
- printf("hvm: %d\n", b_info->hvm);
-
- if (c_info->hvm) {
- printf("video_memkb: %d\n", b_info->video_memkb);
- printf("shadow_memkb: %d\n", b_info->shadow_memkb);
- printf(" pae: %d\n", b_info->u.hvm.pae);
- printf(" apic: %d\n", b_info->u.hvm.apic);
- printf(" acpi: %d\n", b_info->u.hvm.acpi);
- printf(" nx: %d\n", b_info->u.hvm.nx);
- printf(" viridian: %d\n", b_info->u.hvm.viridian);
- } else {
- printf("cmdline: %s\n", b_info->u.pv.cmdline);
- printf("ramdisk: %s\n", b_info->u.pv.ramdisk);
- }
-
- for (i = 0; i < num_disks; i++) {
- printf("\n\n\n*** disks_info: %d ***\n", i);
- printf("backend_domid %d\n", disks[i].backend_domid);
- printf("domid %d\n", disks[i].domid);
- printf("physpath %s\n", disks[i].physpath);
- printf("phystype %d\n", disks[i].phystype);
- printf("virtpath %s\n", disks[i].virtpath);
- printf("unpluggable %d\n", disks[i].unpluggable);
- printf("readwrite %d\n", disks[i].readwrite);
- printf("is_cdrom %d\n", disks[i].is_cdrom);
- }
-
- for (i = 0; i < num_vifs; i++) {
- printf("\n\n\n*** vifs_info: %d ***\n", i);
- printf("backend_domid %d\n", vifs[i].backend_domid);
- printf("domid %d\n", vifs[i].domid);
- printf("devid %d\n", vifs[i].devid);
- printf("mtu %d\n", vifs[i].mtu);
- printf("model %s\n", vifs[i].model);
- printf("mac %02x:%02x:%02x:%02x:%02x:%02x\n", vifs[i].mac[0],
vifs[i].mac[1], vifs[i].mac[2], vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
- }
-
- for (i = 0; i < num_pcidevs; i++) {
- printf("\n\n\n*** pcidevs_info: %d ***\n", i);
- printf("pci dev "PCI_BDF_VDEVFN"\n", pcidevs[i].domain,
pcidevs[i].bus, pcidevs[i].dev, pcidevs[i].func, pcidevs[i].vdevfn);
- printf("opts msitranslate %d power_mgmt %d\n",
pcidevs[i].msitranslate, pcidevs[i].power_mgmt);
- }
-
- for (i = 0; i < num_vfbs; i++) {
- printf("\n\n\n*** vfbs_info: %d ***\n", i);
- printf("backend_domid %d\n", vfbs[i].backend_domid);
- printf("domid %d\n", vfbs[i].domid);
- printf("devid %d\n", vfbs[i].devid);
- printf("vnc: %d\n", vfbs[i].vnc);
- printf("vnclisten: %s\n", vfbs[i].vnclisten);
- printf("vncdisplay: %d\n", vfbs[i].vncdisplay);
- printf("vncunused: %d\n", vfbs[i].vncunused);
- printf("keymap: %s\n", vfbs[i].keymap);
- printf("sdl: %d\n", vfbs[i].sdl);
- printf("opengl: %d\n", vfbs[i].opengl);
- printf("display: %s\n", vfbs[i].display);
- printf("xauthority: %s\n", vfbs[i].xauthority);
- }
-
- if (c_info->hvm) {
- printf("\n\n\n*** device_model_info ***\n");
- printf("domid: %d\n", dm_info->domid);
- printf("dom_name: %s\n", dm_info->dom_name);
- printf("device_model: %s\n", dm_info->device_model);
- printf("videoram: %d\n", dm_info->videoram);
- printf("stdvga: %d\n", dm_info->stdvga);
- printf("vnc: %d\n", dm_info->vnc);
- printf("vnclisten: %s\n", dm_info->vnclisten);
- printf("vncdisplay: %d\n", dm_info->vncdisplay);
- printf("vncunused: %d\n", dm_info->vncunused);
- printf("keymap: %s\n", dm_info->keymap);
- printf("sdl: %d\n", dm_info->sdl);
- printf("opengl: %d\n", dm_info->opengl);
- printf("nographic: %d\n", dm_info->nographic);
- printf("serial: %s\n", dm_info->serial);
- printf("boot: %s\n", dm_info->boot);
- printf("usb: %d\n", dm_info->usb);
- printf("usbdevice: %s\n", dm_info->usbdevice);
- printf("apic: %d\n", dm_info->apic);
- }
-}
-
-static void parse_config_data(const char *configfile_filename_report,
- const char *configfile_data,
- int configfile_len,
- libxl_domain_create_info *c_info,
- libxl_domain_build_info *b_info,
- libxl_device_disk **disks,
- int *num_disks,
- libxl_device_nic **vifs,
- int *num_vifs,
- libxl_device_pci **pcidevs,
- int *num_pcidevs,
- libxl_device_vfb **vfbs,
- int *num_vfbs,
- libxl_device_vkb **vkbs,
- int *num_vkbs,
- libxl_device_model_info *dm_info)
-{
- const char *buf;
- long l;
- XLU_Config *config;
- XLU_ConfigList *vbds, *nics, *pcis, *cvfbs;
- int pci_power_mgmt = 0;
- int pci_msitranslate = 1;
- int i, e;
-
- config= xlu_cfg_init(stderr, configfile_filename_report);
- if (!config) {
- fprintf(stderr, "Failed to allocate for configuration\n");
- exit(1);
- }
-
- e= xlu_cfg_readdata(config, configfile_data, configfile_len);
- if (e) {
- fprintf(stderr, "Failed to parse config file: %s\n", strerror(e));
- exit(1);
- }
-
- init_create_info(c_info);
-
- c_info->hvm = 0;
- if (!xlu_cfg_get_string (config, "builder", &buf) &&
- !strncmp(buf, "hvm", strlen(buf)))
- c_info->hvm = 1;
-
- /* hap is missing */
- if (!xlu_cfg_get_string (config, "name", &buf))
- c_info->name = strdup(buf);
- else
- c_info->name = "test";
- for (i = 0; i < 16; i++) {
- c_info->uuid[i] = rand();
- }
-
- if (!xlu_cfg_get_long(config, "oos", &l))
- c_info->oos = l;
-
- init_build_info(b_info, c_info);
-
- /* the following is the actual config parsing with overriding values in
the structures */
- if (!xlu_cfg_get_long (config, "vcpus", &l))
- b_info->max_vcpus = l;
-
- if (!xlu_cfg_get_long (config, "memory", &l)) {
- b_info->max_memkb = l * 1024;
- b_info->target_memkb = b_info->max_memkb;
- }
-
- if (!xlu_cfg_get_long(config, "tsc_mode", &l))
- b_info->tsc_mode = l;
-
- if (!xlu_cfg_get_long (config, "shadow_memory", &l))
- b_info->shadow_memkb = l * 1024;
-
- if (!xlu_cfg_get_long (config, "videoram", &l))
- b_info->video_memkb = l * 1024;
-
- if (!xlu_cfg_get_string (config, "kernel", &buf))
- b_info->kernel = strdup(buf);
-
- if (c_info->hvm == 1) {
- if (!xlu_cfg_get_long (config, "pae", &l))
- b_info->u.hvm.pae = l;
- if (!xlu_cfg_get_long (config, "apic", &l))
- b_info->u.hvm.apic = l;
- if (!xlu_cfg_get_long (config, "acpi", &l))
- b_info->u.hvm.acpi = l;
- if (!xlu_cfg_get_long (config, "nx", &l))
- b_info->u.hvm.nx = l;
- if (!xlu_cfg_get_long (config, "viridian", &l))
- b_info->u.hvm.viridian = l;
- } else {
- char *cmdline;
- if (!xlu_cfg_get_string (config, "root", &buf)) {
- asprintf(&cmdline, "root=%s", buf);
- b_info->u.pv.cmdline = cmdline;
- }
- if (!xlu_cfg_get_string (config, "ramdisk", &buf))
- b_info->u.pv.ramdisk = strdup(buf);
- }
-
- if (!xlu_cfg_get_list (config, "disk", &vbds, 0)) {
- *num_disks = 0;
- *disks = NULL;
- while ((buf = xlu_cfg_get_listitem (vbds, *num_disks)) != NULL) {
- char *buf2 = strdup(buf);
- char *p, *p2;
- *disks = (libxl_device_disk *) realloc(*disks, sizeof
(libxl_device_disk) * ((*num_disks) + 1));
- (*disks)[*num_disks].backend_domid = 0;
- (*disks)[*num_disks].domid = 0;
- (*disks)[*num_disks].unpluggable = 0;
- p = strtok(buf2, ",:");
- while (*p == ' ')
- p++;
- if (!strcmp(p, "phy")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_PHY;
- } else if (!strcmp(p, "file")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_FILE;
- } else if (!strcmp(p, "tap")) {
- p = strtok(NULL, ":");
- if (!strcmp(p, "aio")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_AIO;
- } else if (!strcmp(p, "vhd")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_VHD;
- } else if (!strcmp(p, "qcow")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_QCOW;
- } else if (!strcmp(p, "qcow2")) {
- (*disks)[*num_disks].phystype = PHYSTYPE_QCOW2;
- }
- }
- p = strtok(NULL, ",");
- while (*p == ' ')
- p++;
- (*disks)[*num_disks].physpath= strdup(p);
- p = strtok(NULL, ",");
- while (*p == ' ')
- p++;
- p2 = strchr(p, ':');
- if (p2 == NULL) {
- (*disks)[*num_disks].virtpath = strdup(p);
- (*disks)[*num_disks].is_cdrom = 0;
- (*disks)[*num_disks].unpluggable = 1;
- } else {
- *p2 = '\0';
- (*disks)[*num_disks].virtpath = strdup(p);
- if (!strcmp(p2 + 1, "cdrom")) {
- (*disks)[*num_disks].is_cdrom = 1;
- (*disks)[*num_disks].unpluggable = 1;
- } else
- (*disks)[*num_disks].is_cdrom = 0;
- }
- p = strtok(NULL, ",");
- while (*p == ' ')
- p++;
- (*disks)[*num_disks].readwrite = (p[0] == 'w') ? 1 : 0;
- free(buf2);
- *num_disks = (*num_disks) + 1;
- }
- }
-
- if (!xlu_cfg_get_list (config, "vif", &nics, 0)) {
- *num_vifs = 0;
- *vifs = NULL;
- while ((buf = xlu_cfg_get_listitem (nics, *num_vifs)) != NULL) {
- char *buf2 = strdup(buf);
- char *p, *p2;
- *vifs = (libxl_device_nic *) realloc(*vifs, sizeof
(libxl_device_nic) * ((*num_vifs) + 1));
- init_nic_info((*vifs) + (*num_vifs), (*num_vifs) + 1);
- p = strtok(buf2, ",");
- if (!p)
- goto skip;
- do {
- while (*p == ' ')
- p++;
- if ((p2 = strchr(p, '=')) == NULL)
- break;
- *p2 = '\0';
- if (!strcmp(p, "model")) {
- (*vifs)[*num_vifs].model = strdup(p2 + 1);
- } else if (!strcmp(p, "mac")) {
- char *p3 = p2 + 1;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[0] = strtol(p3, NULL, 16);
- p3 = p3 + 3;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[1] = strtol(p3, NULL, 16);
- p3 = p3 + 3;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[2] = strtol(p3, NULL, 16);
- p3 = p3 + 3;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[3] = strtol(p3, NULL, 16);
- p3 = p3 + 3;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[4] = strtol(p3, NULL, 16);
- p3 = p3 + 3;
- *(p3 + 2) = '\0';
- (*vifs)[*num_vifs].mac[5] = strtol(p3, NULL, 16);
- } else if (!strcmp(p, "bridge")) {
- (*vifs)[*num_vifs].bridge = strdup(p2 + 1);
- } else if (!strcmp(p, "type")) {
- if (!strcmp(p2 + 1, "ioemu"))
- (*vifs)[*num_vifs].nictype = NICTYPE_IOEMU;
- else
- (*vifs)[*num_vifs].nictype = NICTYPE_VIF;
- } else if (!strcmp(p, "ip")) {
- inet_pton(AF_INET, p2 + 1, &((*vifs)[*num_vifs].ip));
- } else if (!strcmp(p, "script")) {
- (*vifs)[*num_vifs].script = strdup(p2 + 1);
- } else if (!strcmp(p, "vifname")) {
- (*vifs)[*num_vifs].ifname = strdup(p2 + 1);
- } else if (!strcmp(p, "rate")) {
- fprintf(stderr, "the rate parameter for vifs is currently
not supported\n");
- } else if (!strcmp(p, "accel")) {
- fprintf(stderr, "the accel parameter for vifs is currently
not supported\n");
- }
- } while ((p = strtok(NULL, ",")) != NULL);
-skip:
- free(buf2);
- *num_vifs = (*num_vifs) + 1;
- }
- }
-
- if (!xlu_cfg_get_list (config, "vfb", &cvfbs, 0)) {
- *num_vfbs = 0;
- *num_vkbs = 0;
- *vfbs = NULL;
- *vkbs = NULL;
- while ((buf = xlu_cfg_get_listitem (cvfbs, *num_vfbs)) != NULL) {
- char *buf2 = strdup(buf);
- char *p, *p2;
- *vfbs = (libxl_device_vfb *) realloc(*vfbs,
sizeof(libxl_device_vfb) * ((*num_vfbs) + 1));
- init_vfb_info((*vfbs) + (*num_vfbs), (*num_vfbs));
-
- *vkbs = (libxl_device_vkb *) realloc(*vkbs,
sizeof(libxl_device_vkb) * ((*num_vkbs) + 1));
- init_vkb_info((*vkbs) + (*num_vkbs), (*num_vkbs));
-
- p = strtok(buf2, ",");
- if (!p)
- goto skip_vfb;
- do {
- while (*p == ' ')
- p++;
- if ((p2 = strchr(p, '=')) == NULL)
- break;
- *p2 = '\0';
- if (!strcmp(p, "vnc")) {
- (*vfbs)[*num_vfbs].vnc = atoi(p2 + 1);
- } else if (!strcmp(p, "vnclisten")) {
- (*vfbs)[*num_vfbs].vnclisten = strdup(p2 + 1);
- } else if (!strcmp(p, "vncdisplay")) {
- (*vfbs)[*num_vfbs].vncdisplay = atoi(p2 + 1);
- } else if (!strcmp(p, "vncunused")) {
- (*vfbs)[*num_vfbs].vncunused = atoi(p2 + 1);
- } else if (!strcmp(p, "keymap")) {
- (*vfbs)[*num_vfbs].keymap = strdup(p2 + 1);
- } else if (!strcmp(p, "sdl")) {
- (*vfbs)[*num_vfbs].sdl = atoi(p2 + 1);
- } else if (!strcmp(p, "opengl")) {
- (*vfbs)[*num_vfbs].opengl = atoi(p2 + 1);
- } else if (!strcmp(p, "display")) {
- (*vfbs)[*num_vfbs].display = strdup(p2 + 1);
- } else if (!strcmp(p, "xauthority")) {
- (*vfbs)[*num_vfbs].xauthority = strdup(p2 + 1);
- }
- } while ((p = strtok(NULL, ",")) != NULL);
-skip_vfb:
- free(buf2);
- *num_vfbs = (*num_vfbs) + 1;
- *num_vkbs = (*num_vkbs) + 1;
- }
- }
-
- if (!xlu_cfg_get_long (config, "pci_msitranslate", &l))
- pci_msitranslate = l;
-
- if (!xlu_cfg_get_long (config, "pci_power_mgmt", &l))
- pci_power_mgmt = l;
-
- if (!xlu_cfg_get_list (config, "pci", &pcis, 0)) {
- *num_pcidevs = 0;
- *pcidevs = NULL;
- while ((buf = xlu_cfg_get_listitem (pcis, *num_pcidevs)) != NULL) {
- unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
- char *buf2 = strdup(buf);
- char *p;
- *pcidevs = (libxl_device_pci *) realloc(*pcidevs, sizeof
(libxl_device_pci) * ((*num_pcidevs) + 1));
- memset(*pcidevs + *num_pcidevs, 0x00, sizeof(libxl_device_pci));
- p = strtok(buf2, ",");
- if (!p)
- goto skip_pci;
- if (!sscanf(p, PCI_BDF_VDEVFN, &domain, &bus, &dev, &func,
&vdevfn)) {
- sscanf(p, "%02x:%02x.%01x@%02x", &bus, &dev, &func, &vdevfn);
- domain = 0;
- }
- libxl_device_pci_init(*pcidevs + *num_pcidevs, domain, bus, dev,
func, vdevfn);
- (*pcidevs)[*num_pcidevs].msitranslate = pci_msitranslate;
- (*pcidevs)[*num_pcidevs].power_mgmt = pci_power_mgmt;
- while ((p = strtok(NULL, ",=")) != NULL) {
- while (*p == ' ')
- p++;
- if (!strcmp(p, "msitranslate")) {
- p = strtok(NULL, ",=");
- (*pcidevs)[*num_pcidevs].msitranslate = atoi(p);
- } else if (!strcmp(p, "power_mgmt")) {
- p = strtok(NULL, ",=");
- (*pcidevs)[*num_pcidevs].power_mgmt = atoi(p);
- }
- }
- *num_pcidevs = (*num_pcidevs) + 1;
-skip_pci:
- free(buf2);
- }
- }
-
- if (c_info->hvm == 1) {
- /* init dm from c and b */
- init_dm_info(dm_info, c_info, b_info);
-
- /* then process config related to dm */
- if (!xlu_cfg_get_string (config, "device_model", &buf))
- dm_info->device_model = strdup(buf);
- if (!xlu_cfg_get_long (config, "stdvga", &l))
- dm_info->stdvga = l;
- if (!xlu_cfg_get_long (config, "vnc", &l))
- dm_info->vnc = l;
- if (!xlu_cfg_get_string (config, "vnclisten", &buf))
- dm_info->vnclisten = strdup(buf);
- if (!xlu_cfg_get_long (config, "vncdisplay", &l))
- dm_info->vncdisplay = l;
- if (!xlu_cfg_get_long (config, "vncunused", &l))
- dm_info->vncunused = l;
- if (!xlu_cfg_get_string (config, "keymap", &buf))
- dm_info->keymap = strdup(buf);
- if (!xlu_cfg_get_long (config, "sdl", &l))
- dm_info->sdl = l;
- if (!xlu_cfg_get_long (config, "opengl", &l))
- dm_info->opengl = l;
- if (!xlu_cfg_get_long (config, "nographic", &l))
- dm_info->nographic = l;
- if (!xlu_cfg_get_string (config, "serial", &buf))
- dm_info->serial = strdup(buf);
- if (!xlu_cfg_get_string (config, "boot", &buf))
- dm_info->boot = strdup(buf);
- if (!xlu_cfg_get_long (config, "usb", &l))
- dm_info->usb = l;
- if (!xlu_cfg_get_string (config, "usbdevice", &buf))
- dm_info->usbdevice = strdup(buf);
- }
-
- dm_info->type = c_info->hvm ? XENFV : XENPV;
-
- xlu_cfg_destroy(config);
-}
-
-#define CHK_ERRNO( call ) ({ \
- int chk_errno = (call); \
- if (chk_errno) { \
- fprintf(stderr,"xl: fatal error: %s:%d: %s: %s\n", \
- __FILE__,__LINE__, strerror(chk_errno), #call); \
- exit(-ERROR_FAIL); \
- } \
- })
-
-#define MUST( call ) ({ \
- int must_rc = (call); \
- if (must_rc) { \
- fprintf(stderr,"xl: fatal error: %s:%d, rc=%d: %s\n", \
- __FILE__,__LINE__, must_rc, #call); \
- exit(-must_rc); \
- } \
- })
-
-static void *xmalloc(size_t sz) {
- void *r;
- r = malloc(sz);
- if (!r) { fprintf(stderr,"xl: Unable to malloc %lu bytes.\n",
- (unsigned long)sz); exit(-ERROR_FAIL); }
- return r;
-}
-
-static void *xrealloc(void *ptr, size_t sz) {
- void *r;
- if (!sz) { free(ptr); return 0; }
- /* realloc(non-0, 0) has a useless return value;
- * but xrealloc(anything, 0) is like free
- */
- r = realloc(ptr, sz);
- if (!r) { fprintf(stderr,"xl: Unable to realloc to %lu bytes.\n",
- (unsigned long)sz); exit(-ERROR_FAIL); }
- return r;
-}
-
-static int create_domain(int debug, int daemonize, const char *config_file,
const char *restore_file, int paused, int migrate_fd /* -1 means none */, char
**migration_domname_r)
-{
- libxl_domain_create_info info1;
- libxl_domain_build_info info2;
- libxl_domain_build_state state;
- libxl_device_model_info dm_info;
- libxl_device_disk *disks = NULL;
- libxl_device_nic *vifs = NULL;
- libxl_device_pci *pcidevs = NULL;
- libxl_device_vfb *vfbs = NULL;
- libxl_device_vkb *vkbs = NULL;
- libxl_device_console console;
- int num_disks = 0, num_vifs = 0, num_pcidevs = 0, num_vfbs = 0, num_vkbs =
0;
- int i, fd;
- int need_daemon = 1;
- int ret, rc;
- libxl_device_model_starting *dm_starting = 0;
- libxl_waiter *w1 = NULL, *w2 = NULL;
- void *config_data = 0;
- int config_len = 0;
- int restore_fd = -1;
- struct save_file_header hdr;
-
- memset(&dm_info, 0x00, sizeof(dm_info));
-
- if (restore_file) {
- uint8_t *optdata_begin = 0;
- const uint8_t *optdata_here = 0;
- union { uint32_t u32; char b[4]; } u32buf;
- uint32_t badflags;
-
- restore_fd = migrate_fd >= 0 ? migrate_fd :
- open(restore_file, O_RDONLY);
-
- CHK_ERRNO( libxl_read_exactly(&ctx, restore_fd, &hdr,
- sizeof(hdr), restore_file, "header") );
- if (memcmp(hdr.magic, savefileheader_magic, sizeof(hdr.magic))) {
- fprintf(stderr, "File has wrong magic number -"
- " corrupt or for a different tool?\n");
- return ERROR_INVAL;
- }
- if (hdr.byteorder != SAVEFILE_BYTEORDER_VALUE) {
- fprintf(stderr, "File has wrong byte order\n");
- return ERROR_INVAL;
- }
- fprintf(stderr, "Loading new save file %s"
- " (new xl fmt info"
- " 0x%"PRIx32"/0x%"PRIx32"/%"PRIu32")\n",
- restore_file, hdr.mandatory_flags, hdr.optional_flags,
- hdr.optional_data_len);
-
- badflags = hdr.mandatory_flags & ~( 0 /* none understood yet */ );
- if (badflags) {
- fprintf(stderr, "Savefile has mandatory flag(s) 0x%"PRIx32" "
- "which are not supported; need newer xl\n",
- badflags);
- return ERROR_INVAL;
- }
- if (hdr.optional_data_len) {
- optdata_begin = xmalloc(hdr.optional_data_len);
- CHK_ERRNO( libxl_read_exactly(&ctx, restore_fd, optdata_begin,
- hdr.optional_data_len, restore_file, "optdata") );
- }
-
-#define OPTDATA_LEFT (hdr.optional_data_len - (optdata_here - optdata_begin))
-#define WITH_OPTDATA(amt, body) \
- if (OPTDATA_LEFT < (amt)) { \
- fprintf(stderr, "Savefile truncated.\n"); \
- return ERROR_INVAL; \
- } else { \
- body; \
- optdata_here += (amt); \
- }
-
- optdata_here = optdata_begin;
-
- if (OPTDATA_LEFT) {
- fprintf(stderr, " Savefile contains xl domain config\n");
- WITH_OPTDATA(4, {
- memcpy(u32buf.b, optdata_here, 4);
- config_len = u32buf.u32;
- });
- WITH_OPTDATA(config_len, {
- config_data = xmalloc(config_len);
- memcpy(config_data, optdata_here, config_len);
- });
- }
-
- }
-
- if (config_file) {
- free(config_data); config_data = 0;
- ret = libxl_read_file_contents(&ctx, config_file,
- &config_data, &config_len);
- if (ret) { fprintf(stderr, "Failed to read config file: %s: %s\n",
- config_file, strerror(errno)); return ERROR_FAIL; }
- } else {
- if (!config_data) {
- fprintf(stderr, "Config file not specified and"
- " none in save file\n");
- return ERROR_INVAL;
- }
- config_file = "<saved>";
- }
-
- printf("Parsing config file %s\n", config_file);
-
- parse_config_data(config_file, config_data, config_len, &info1, &info2,
&disks, &num_disks, &vifs, &num_vifs, &pcidevs, &num_pcidevs, &vfbs, &num_vfbs,
&vkbs, &num_vkbs, &dm_info);
-
- if (migrate_fd >= 0) {
- if (info1.name) {
- /* when we receive a domain we get its name from the config
- * file; and we receive it to a temporary name */
- assert(!common_domname);
- common_domname = info1.name;
- asprintf(migration_domname_r, "%s--incoming", info1.name);
- info1.name = *migration_domname_r;
- }
- }
-
- if (debug)
- printf_info(&info1, &info2, disks, num_disks, vifs, num_vifs, pcidevs,
num_pcidevs, vfbs, num_vfbs, vkbs, num_vkbs, &dm_info);
-
-start:
- domid = 0;
-
- ret = libxl_domain_make(&ctx, &info1, &domid);
- if (ret) {
- fprintf(stderr, "cannot make domain: %d\n", ret);
- return ERROR_FAIL;
- }
-
- ret = libxl_userdata_store(&ctx, domid, "xl",
- config_data, config_len);
- if (ret) {
- perror("cannot save config file");
- return ERROR_FAIL;
- }
-
- if (!restore_file || !need_daemon) {
- if (dm_info.saved_state) {
- free(dm_info.saved_state);
- dm_info.saved_state = NULL;
- }
- ret = libxl_domain_build(&ctx, &info2, domid, &state);
- } else {
- ret = libxl_domain_restore(&ctx, &info2, domid, restore_fd, &state,
&dm_info);
- }
-
- if (ret) {
- fprintf(stderr, "cannot (re-)build domain: %d\n", ret);
- return ERROR_FAIL;
- }
-
- for (i = 0; i < num_disks; i++) {
- disks[i].domid = domid;
- ret = libxl_device_disk_add(&ctx, domid, &disks[i]);
- if (ret) {
- fprintf(stderr, "cannot add disk %d to domain: %d\n", i, ret);
- return ERROR_FAIL;
- }
- }
- for (i = 0; i < num_vifs; i++) {
- vifs[i].domid = domid;
- ret = libxl_device_nic_add(&ctx, domid, &vifs[i]);
- if (ret) {
- fprintf(stderr, "cannot add nic %d to domain: %d\n", i, ret);
- return ERROR_FAIL;
- }
- }
- if (info1.hvm) {
- dm_info.domid = domid;
- MUST( libxl_create_device_model(&ctx, &dm_info, disks, num_disks,
- vifs, num_vifs, &dm_starting) );
- } else {
- for (i = 0; i < num_vfbs; i++) {
- vfbs[i].domid = domid;
- libxl_device_vfb_add(&ctx, domid, &vfbs[i]);
- vkbs[i].domid = domid;
- libxl_device_vkb_add(&ctx, domid, &vkbs[i]);
- }
- init_console_info(&console, 0, &state);
- console.domid = domid;
- if (num_vfbs)
- console.constype = CONSTYPE_IOEMU;
- libxl_device_console_add(&ctx, domid, &console);
- if (num_vfbs)
- libxl_create_xenpv_qemu(&ctx, vfbs, 1, &console, &dm_starting);
- }
-
- if (dm_starting)
- MUST( libxl_confirm_device_model_startup(&ctx, dm_starting) );
- for (i = 0; i < num_pcidevs; i++)
- libxl_device_pci_add(&ctx, domid, &pcidevs[i]);
-
- if (!paused)
- libxl_domain_unpause(&ctx, domid);
-
- if (!daemonize)
- return 0; /* caller gets success in parent */
-
- if (need_daemon) {
- char *fullname, *name;
- pid_t child1, got_child;
- int nullfd;
-
- child1 = libxl_fork(&ctx);
- if (child1) {
- int status;
- for (;;) {
- got_child = waitpid(child1, &status, 0);
- if (got_child == child1) break;
- assert(got_child == -1);
- if (errno != EINTR) {
- perror("failed to wait for daemonizing child");
- return ERROR_FAIL;
- }
- }
- if (status) {
- libxl_report_child_exitstatus(&ctx, XL_LOG_ERROR,
- "daemonizing child", child1, status);
- return ERROR_FAIL;
- }
- return 0; /* caller gets success in parent */
- }
-
- rc = libxl_ctx_postfork(&ctx);
- if (rc) {
- LOG("failed to reinitialise context after fork");
- exit(-1);
- }
-
- asprintf(&name, "xl-%s", info1.name);
- rc = libxl_create_logfile(&ctx, name, &fullname);
- if (rc) {
- LOG("failed to open logfile %s",fullname,strerror(errno));
- exit(-1);
- }
-
- CHK_ERRNO(( logfile = open(fullname, O_WRONLY|O_CREAT, 0644) )<0);
- free(fullname);
- free(name);
-
- CHK_ERRNO(( nullfd = open("/dev/null", O_RDONLY) )<0);
- dup2(nullfd, 0);
- dup2(logfile, 1);
- dup2(logfile, 2);
-
- daemon(0, 1);
- need_daemon = 0;
- }
- LOG("Waiting for domain %s (domid %d) to die [pid %ld]",
- info1.name, domid, (long)getpid());
- w1 = (libxl_waiter*) xmalloc(sizeof(libxl_waiter) * num_disks);
- w2 = (libxl_waiter*) xmalloc(sizeof(libxl_waiter));
- libxl_wait_for_disk_ejects(&ctx, domid, disks, num_disks, w1);
- libxl_wait_for_domain_death(&ctx, domid, w2);
- libxl_get_wait_fd(&ctx, &fd);
- while (1) {
- int ret;
- fd_set rfds;
- xc_domaininfo_t info;
- libxl_event event;
- libxl_device_disk disk;
- memset(&info, 0x00, sizeof(xc_dominfo_t));
-
- FD_ZERO(&rfds);
- FD_SET(fd, &rfds);
-
- ret = select(fd + 1, &rfds, NULL, NULL, NULL);
- if (!ret)
- continue;
- libxl_get_event(&ctx, &event);
- switch (event.type) {
- case DOMAIN_DEATH:
- if (libxl_event_get_domain_death_info(&ctx, domid, &event,
&info)) {
- LOG("Domain %d is dead", domid);
- if (info.flags & XEN_DOMINF_dying || (info.flags &
XEN_DOMINF_shutdown && (((info.flags >> XEN_DOMINF_shutdownshift) &
XEN_DOMINF_shutdownmask) != SHUTDOWN_suspend))) {
- LOG("Domain %d needs to be clean: destroying the
domain", domid);
- libxl_domain_destroy(&ctx, domid, 0);
- if (info.flags & XEN_DOMINF_shutdown &&
- (((info.flags >> XEN_DOMINF_shutdownshift) &
XEN_DOMINF_shutdownmask) == SHUTDOWN_reboot)) {
- libxl_free_waiter(w1);
- libxl_free_waiter(w2);
- free(w1);
- free(w2);
- LOG("Done. Rebooting now");
- goto start;
- }
- LOG("Done. Exiting now");
- }
- LOG("Domain %d does not need to be clean, exiting now",
domid);
- exit(0);
- }
- break;
- case DISK_EJECT:
- if (libxl_event_get_disk_eject_info(&ctx, domid, &event,
&disk))
- libxl_cdrom_insert(&ctx, domid, &disk);
- break;
- }
- libxl_free_event(&event);
- }
-
- close(logfile);
- exit(0);
-}
-
-static void help(char *command)
-{
- if (!command || !strcmp(command, "help")) {
- printf("Usage xl <subcommand> [args]\n\n");
- printf("xl full list of subcommands:\n\n");
- printf(" create create a domain from config
file <filename>\n\n");
- printf(" list list information about all
domains\n\n");
- printf(" destroy terminate a domain
immediately\n\n");
- printf(" pci-attach insert a new pass-through pci
device\n\n");
- printf(" pci-detach remove a domain's pass-through
pci device\n\n");
- printf(" pci-list list pass-through pci devices
for a domain\n\n");
- printf(" pause pause execution of a
domain\n\n");
- printf(" unpause unpause a paused domain\n\n");
- printf(" console attach to domain's
console\n\n");
- printf(" save save a domain state to restore
later\n\n");
- printf(" restore restore a domain from a saved
state\n\n");
- printf(" cd-insert insert a cdrom into a guest's
cd drive\n\n");
- printf(" cd-eject eject a cdrom from a guest's cd
drive\n\n");
- printf(" mem-set set the current memory usage
for a domain\n\n");
- printf(" button-press indicate an ACPI button press
to the domain\n\n");
- printf(" vcpu-list list the VCPUs for all/some
domains.\n\n");
- printf(" vcpu-pin Set which CPUs a VCPU can
use.\n\n");
- printf(" vcpu-set Set the number of active VCPUs
allowed for the domain.\n\n");
- printf(" sched-credit Get/set credit scheduler
parameters.\n\n");
- } else if(!strcmp(command, "create")) {
- printf("Usage: xl create <ConfigFile> [options] [vars]\n\n");
- printf("Create a domain based on <ConfigFile>.\n\n");
- printf("Options:\n\n");
- printf("-h Print this help.\n");
- printf("-p Leave the domain paused after it is
created.\n");
- printf("-d Enable debug messages.\n");
- printf("-e Do not wait in the background for the
death of the domain.\n");
- } else if(!strcmp(command, "list")) {
- printf("Usage: xl list [-v] [Domain]\n\n");
- printf("List information about all/some domains.\n\n");
- } else if(!strcmp(command, "pci-attach")) {
- printf("Usage: xl pci-attach <Domain> <BDF> [Virtual Slot]\n\n");
- printf("Insert a new pass-through pci device.\n\n");
- } else if(!strcmp(command, "pci-detach")) {
- printf("Usage: xl pci-detach <Domain> <BDF>\n\n");
- printf("Remove a domain's pass-through pci device.\n\n");
- } else if(!strcmp(command, "pci-list")) {
- printf("Usage: xl pci-list <Domain>\n\n");
- printf("List pass-through pci devices for a domain.\n\n");
- } else if(!strcmp(command, "pause")) {
- printf("Usage: xl pause <Domain>\n\n");
- printf("Pause execution of a domain.\n\n");
- } else if(!strcmp(command, "unpause")) {
- printf("Usage: xl unpause <Domain>\n\n");
- printf("Unpause a paused domain.\n\n");
- } else if(!strcmp(command, "save")) {
- printf("Usage: xl save [options] <Domain> <CheckpointFile>
[<ConfigFile>]\n\n");
- printf("Save a domain state to restore later.\n\n");
- printf("Options:\n\n");
- printf("-h Print this help.\n");
- printf("-c Leave domain running after creating the
snapshot.\n");
- } else if(!strcmp(command, "restore")) {
- printf("Usage: xl restore [options] [<ConfigFile>]
<CheckpointFile>\n\n");
- printf("Restore a domain from a saved state.\n\n");
- printf("Options:\n\n");
- printf("-h Print this help.\n");
- printf("-p Do not unpause domain after restoring
it.\n");
- printf("-e Do not wait in the background for the
death of the domain.\n");
- printf("-d Enable debug messages.\n");
- } else if(!strcmp(command, "migrate")) {
- printf("Usage: xl migrate [options] <Domain> <host>\n\n");
- printf("Save a domain state to restore later.\n\n");
- printf("Options:\n\n");
- printf("-h Print this help.\n");
- printf("-C <config> Send <config> instead of config file
from creation.\n");
- printf("-s <sshcommand> Use <sshcommand> instead of ssh.
String will be passed to sh. If empty, run <host> instead of ssh <host> xl
migrate-receive [-d -e]\n");
- printf("-e Do not wait in the background (on
<host>) for the death of the domain.\n");
- } else if(!strcmp(command, "migrate-receive")) {
- printf("Usage: xl migrate-receive - for internal use only");
- } else if(!strcmp(command, "restore")) {
- printf("Usage: xl restore [options] [<ConfigFile>]
<CheckpointFile>\n\n");
- printf("Restore a domain from a saved state.\n\n");
- printf("Options:\n\n");
- printf("-h Print this help.\n");
- printf("-O Old (configless) xl save format.\n");
- printf("-p Do not unpause domain after restoring
it.\n");
- printf("-e Do not wait in the background for the
death of the domain.\n");
- } else if(!strcmp(command, "destroy")) {
- printf("Usage: xl destroy <Domain>\n\n");
- printf("Terminate a domain immediately.\n\n");
- } else if (!strcmp(command, "console")) {
- printf("Usage: xl console <Domain>\n\n");
- printf("Attach to domain's console.\n\n");
- } else if (!strcmp(command, "cd-insert")) {
- printf("Usage: xl cd-insert <Domain> <VirtualDevice> <type:path>\n\n");
- printf("Insert a cdrom into a guest's cd drive.\n\n");
- } else if (!strcmp(command, "cd-eject")) {
- printf("Usage: xl cd-eject <Domain> <VirtualDevice>\n\n");
- printf("Eject a cdrom from a guest's cd drive.\n\n");
- } else if (!strcmp(command, "mem-set")) {
- printf("Usage: xl mem-set <Domain> <MemKB>\n\n");
- printf("Set the current memory usage for a domain.\n\n");
- } else if (!strcmp(command, "button-press")) {
- printf("Usage: xl button-press <Domain> <Button>\n\n");
- printf("Indicate <Button> press to a domain.\n");
- printf("<Button> may be 'power' or 'sleep'.\n\n");
- } else if (!strcmp(command, "vcpu-list")) {
- printf("Usage: xl vcpu-list [Domain, ...]\n\n");
- printf("List the VCPUs for all/some domains.\n\n");
- } else if (!strcmp(command, "vcpu-pin")) {
- printf("Usage: xl vcpu-pin <Domain> <VCPU|all> <CPUs|all>\n\n");
- printf("Set which CPUs a VCPU can use.\n\n");
- } else if (!strcmp(command, "vcpu-set")) {
- printf("Usage: xl vcpu-set <Domain> <vCPUs>\n\n");
- printf("Set the number of active VCPUs for allowed for the
domain.\n\n");
- } else if (!strcmp(command, "sched-credit")) {
- printf("Usage: xl sched-credit [-d <Domain>
[-w[=WEIGHT]|-c[=CAP]]]\n\n");
- printf("Get/set credit scheduler parameters.\n");
- printf(" -d DOMAIN, --domain=DOMAIN Domain to modify\n");
- printf(" -w WEIGHT, --weight=WEIGHT Weight (int)\n");
- printf(" -c CAP, --cap=CAP Cap (int)\n");
- }
-}
-
-void set_memory_target(char *p, char *mem)
-{
- char *endptr;
- uint32_t memorykb;
-
- find_domain(p);
-
- memorykb = strtoul(mem, &endptr, 10);
- if (*endptr != '\0') {
- fprintf(stderr, "invalid memory size: %s\n", mem);
- exit(3);
- }
- printf("setting domid %d memory to : %d\n", domid, memorykb);
- libxl_set_memory_target(&ctx, domid, memorykb);
-}
-
-int main_memset(int argc, char **argv)
-{
- int opt = 0;
- char *p = NULL, *mem;
-
- while ((opt = getopt(argc, argv, "h:")) != -1) {
- switch (opt) {
- case 'h':
- help("mem-set");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 1) {
- help("mem-set");
- exit(2);
- }
-
- p = argv[optind];
- mem = argv[optind + 1];
-
- set_memory_target(p, mem);
- exit(0);
-}
-
-void console(char *p, int cons_num)
-{
- find_domain(p);
- libxl_console_attach(&ctx, domid, cons_num);
-}
-
-void cd_insert(char *dom, char *virtdev, char *phys)
-{
- libxl_device_disk disk;
- char *p;
-
- find_domain(dom);
-
- disk.backend_domid = 0;
- disk.domid = domid;
- if (phys) {
- p = strchr(phys, ':');
- if (!p) {
- fprintf(stderr, "No type specified, ");
- disk.physpath = phys;
- if (!strncmp(phys, "/dev", 4)) {
- fprintf(stderr, "assuming phy:\n");
- disk.phystype = PHYSTYPE_PHY;
- } else {
- fprintf(stderr, "assuming file:\n");
- disk.phystype = PHYSTYPE_FILE;
- }
- } else {
- *p = '\0';
- p++;
- disk.physpath = p;
- libxl_string_to_phystype(&ctx, phys, &disk.phystype);
- }
- } else {
- disk.physpath = NULL;
- disk.phystype = 0;
- }
- disk.virtpath = virtdev;
- disk.unpluggable = 1;
- disk.readwrite = 0;
- disk.is_cdrom = 1;
-
- libxl_cdrom_insert(&ctx, domid, &disk);
-}
-
-int main_cd_eject(int argc, char **argv)
-{
- int opt = 0;
- char *p = NULL, *virtdev;
-
- while ((opt = getopt(argc, argv, "hn:")) != -1) {
- switch (opt) {
- case 'h':
- help("cd-eject");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 1) {
- help("cd-eject");
- exit(2);
- }
-
- p = argv[optind];
- virtdev = argv[optind + 1];
-
- cd_insert(p, virtdev, NULL);
- exit(0);
-}
-
-int main_cd_insert(int argc, char **argv)
-{
- int opt = 0;
- char *p = NULL, *file = NULL, *virtdev;
-
- while ((opt = getopt(argc, argv, "hn:")) != -1) {
- switch (opt) {
- case 'h':
- help("cd-insert");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 2) {
- help("cd-insert");
- exit(2);
- }
-
- p = argv[optind];
- virtdev = argv[optind + 1];
- file = argv[optind + 2];
-
- cd_insert(p, virtdev, file);
- exit(0);
-}
-
-int main_console(int argc, char **argv)
-{
- int opt = 0, cons_num = 0;
- char *p = NULL;
-
- while ((opt = getopt(argc, argv, "hn:")) != -1) {
- switch (opt) {
- case 'h':
- help("console");
- exit(0);
- case 'n':
- if (optarg) {
- cons_num = strtol(optarg, NULL, 10);
- }
- break;
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc) {
- help("console");
- exit(2);
- }
-
- p = argv[optind];
-
- console(p, cons_num);
- exit(0);
-}
-
-void pcilist(char *dom)
-{
- libxl_device_pci *pcidevs;
- int num, i;
-
- find_domain(dom);
-
- pcidevs = libxl_device_pci_list(&ctx, domid, &num);
- if (!num)
- return;
- printf("VFn domain bus slot func\n");
- for (i = 0; i < num; i++) {
- printf("0x%02x 0x%04x 0x%02x 0x%02x 0x%01x\n", pcidevs[i].vdevfn,
pcidevs[i].domain, pcidevs[i].bus, pcidevs[i].dev, pcidevs[i].func);
- }
- free(pcidevs);
-}
-
-int main_pcilist(int argc, char **argv)
-{
- int opt;
- char *domname = NULL;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-list");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc) {
- help("pci-list");
- exit(2);
- }
-
- domname = argv[optind];
-
- pcilist(domname);
- exit(0);
-}
-
-void pcidetach(char *dom, char *bdf)
-{
- libxl_device_pci pcidev;
- unsigned int domain, bus, dev, func;
-
- find_domain(dom);
-
- memset(&pcidev, 0x00, sizeof(pcidev));
- sscanf(bdf, PCI_BDF, &domain, &bus, &dev, &func);
- libxl_device_pci_init(&pcidev, domain, bus, dev, func, 0);
- libxl_device_pci_remove(&ctx, domid, &pcidev);
-}
-
-int main_pcidetach(int argc, char **argv)
-{
- int opt;
- char *domname = NULL, *bdf = NULL;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-attach");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 1) {
- help("pci-detach");
- exit(2);
- }
-
- domname = argv[optind];
- bdf = argv[optind + 1];
-
- pcidetach(domname, bdf);
- exit(0);
-}
-void pciattach(char *dom, char *bdf, char *vs)
-{
- libxl_device_pci pcidev;
- unsigned int domain, bus, dev, func;
-
- find_domain(dom);
-
- memset(&pcidev, 0x00, sizeof(pcidev));
- sscanf(bdf, PCI_BDF, &domain, &bus, &dev, &func);
- libxl_device_pci_init(&pcidev, domain, bus, dev, func, 0);
- libxl_device_pci_add(&ctx, domid, &pcidev);
-}
-
-int main_pciattach(int argc, char **argv)
-{
- int opt;
- char *domname = NULL, *bdf = NULL, *vs = NULL;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pci-attach");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 1) {
- help("pci-attach");
- exit(2);
- }
-
- domname = argv[optind];
- bdf = argv[optind + 1];
-
- if (optind + 1 < argc)
- vs = argv[optind + 2];
-
- pciattach(domname, bdf, vs);
- exit(0);
-}
-
-void pause_domain(char *p)
-{
- find_domain(p);
- libxl_domain_pause(&ctx, domid);
-}
-
-void unpause_domain(char *p)
-{
- find_domain(p);
- libxl_domain_unpause(&ctx, domid);
-}
-
-void destroy_domain(char *p)
-{
- int rc;
- find_domain(p);
- rc = libxl_domain_destroy(&ctx, domid, 0);
- if (rc) { fprintf(stderr,"destroy failed (rc=%d)\n.",rc); exit(-1); }
-}
-
-void list_domains(int verbose)
-{
- struct libxl_dominfo *info;
- int nb_domain, i;
-
- info = libxl_list_domain(&ctx, &nb_domain);
-
- if (!info) {
- fprintf(stderr, "libxl_domain_infolist failed.\n");
- exit(1);
- }
- printf("Name ID Mem
VCPUs\tState\tTime(s)\n");
- for (i = 0; i < nb_domain; i++) {
- printf("%-40s %5d %5lu %5d %c%c%c %8.1f",
- libxl_domid_to_name(&ctx, info[i].domid),
- info[i].domid,
- (unsigned long) (info[i].max_memkb / 1024),
- info[i].vcpu_online,
- info[i].running ? 'r' : '-',
- info[i].paused ? 'p' : '-',
- info[i].dying ? 'd' : '-',
- ((float)info[i].cpu_time / 1e9));
- if (verbose) {
- char *uuid = libxl_uuid2string(&ctx, info[i].uuid);
- printf(" %s", uuid);
- }
- putchar('\n');
- }
- free(info);
-}
-
-void list_vm(void)
-{
- struct libxl_vminfo *info;
- int nb_vm, i;
-
- info = libxl_list_vm(&ctx, &nb_vm);
-
- if (info < 0) {
- fprintf(stderr, "libxl_domain_infolist failed.\n");
- exit(1);
- }
- printf("UUID ID name\n");
- for (i = 0; i < nb_vm; i++) {
- printf(UUID_FMT " %d %-30s\n",
- info[i].uuid[0], info[i].uuid[1], info[i].uuid[2], info[i].uuid[3],
- info[i].uuid[4], info[i].uuid[5], info[i].uuid[6], info[i].uuid[7],
- info[i].uuid[8], info[i].uuid[9], info[i].uuid[10],
info[i].uuid[11],
- info[i].uuid[12], info[i].uuid[13], info[i].uuid[14],
info[i].uuid[15],
- info[i].domid, libxl_domid_to_name(&ctx, info[i].domid));
- }
- free(info);
-}
-
-static void save_domain_core_begin(char *domain_spec,
- const char *override_config_file,
- uint8_t **config_data_r,
- int *config_len_r)
-{
- int rc;
-
- find_domain(domain_spec);
-
- /* configuration file in optional data: */
-
- if (override_config_file) {
- void *config_v = 0;
- rc = libxl_read_file_contents(&ctx, override_config_file,
- &config_v, config_len_r);
- *config_data_r = config_v;
- } else {
- rc = libxl_userdata_retrieve(&ctx, domid, "xl",
- config_data_r, config_len_r);
- }
- if (rc) {
- fputs("Unable to get config file\n",stderr);
- exit(2);
- }
-}
-
-void save_domain_core_writeconfig(int fd, const char *filename,
- const uint8_t *config_data, int config_len)
-{
- struct save_file_header hdr;
- uint8_t *optdata_begin;
- union { uint32_t u32; char b[4]; } u32buf;
-
- memset(&hdr, 0, sizeof(hdr));
- memcpy(hdr.magic, savefileheader_magic, sizeof(hdr.magic));
- hdr.byteorder = SAVEFILE_BYTEORDER_VALUE;
-
- optdata_begin= 0;
-
-#define ADD_OPTDATA(ptr, len) ({ \
- if ((len)) { \
- hdr.optional_data_len += (len); \
- optdata_begin = xrealloc(optdata_begin, hdr.optional_data_len); \
- memcpy(optdata_begin + hdr.optional_data_len - (len), \
- (ptr), (len)); \
- } \
- })
-
- u32buf.u32 = config_len;
- ADD_OPTDATA(u32buf.b, 4);
- ADD_OPTDATA(config_data, config_len);
-
- /* that's the optional data */
-
- CHK_ERRNO( libxl_write_exactly(&ctx, fd,
- &hdr, sizeof(hdr), filename, "header") );
- CHK_ERRNO( libxl_write_exactly(&ctx, fd,
- optdata_begin, hdr.optional_data_len, filename, "header") );
-
- fprintf(stderr, "Saving to %s new xl format (info"
- " 0x%"PRIx32"/0x%"PRIx32"/%"PRIu32")\n",
- filename, hdr.mandatory_flags, hdr.optional_flags,
- hdr.optional_data_len);
-}
-
-int save_domain(char *p, char *filename, int checkpoint,
- const char *override_config_file)
-{
- int fd;
- uint8_t *config_data;
- int config_len;
-
- save_domain_core_begin(p, override_config_file, &config_data, &config_len);
-
- if (!config_len) {
- fputs(" Savefile will not contain xl domain config\n", stderr);
- }
-
- fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
- if (fd < 0) {
- fprintf(stderr, "Failed to open temp file %s for writing\n", filename);
- exit(2);
- }
-
- save_domain_core_writeconfig(fd, filename, config_data, config_len);
-
- libxl_domain_suspend(&ctx, NULL, domid, fd);
- close(fd);
-
- if (checkpoint)
- libxl_domain_unpause(&ctx, domid);
- else
- libxl_domain_destroy(&ctx, domid, 0);
-
- exit(0);
-}
-
-static int migrate_read_fixedmessage(int fd, const void *msg, int msgsz,
- const char *what, const char *rune) {
- char buf[msgsz];
- const char *stream;
- int rc;
-
- stream = rune ? "migration receiver stream" : "migration stream";
- rc = libxl_read_exactly(&ctx, fd, buf, msgsz, stream, what);
- if (rc) return ERROR_FAIL;
-
- if (memcmp(buf, msg, msgsz)) {
- fprintf(stderr, "%s contained unexpected data instead of %s\n",
- stream, what);
- if (rune)
- fprintf(stderr, "(command run was: %s )\n", rune);
- return ERROR_FAIL;
- }
- return 0;
-}
-
-static void migration_child_report(pid_t migration_child, int recv_fd) {
- pid_t child;
- int status, sr;
- struct timeval now, waituntil, timeout;
- static const struct timeval pollinterval = { 0, 1000 }; /* 1ms */
-
- if (!migration_child) return;
-
- CHK_ERRNO( gettimeofday(&waituntil, 0) );
- waituntil.tv_sec += 2;
-
- for (;;) {
- child = waitpid(migration_child, &status, WNOHANG);
-
- if (child == migration_child) {
- if (status)
- libxl_report_child_exitstatus(&ctx, XL_LOG_INFO,
- "migration target process",
- migration_child, status);
- break;
- }
- if (child == -1) {
- if (errno == EINTR) continue;
- fprintf(stderr, "wait for migration child [%ld] failed: %s\n",
- (long)migration_child, strerror(errno));
- break;
- }
- assert(child == 0);
-
- CHK_ERRNO( gettimeofday(&now, 0) );
- if (timercmp(&now, &waituntil, >)) {
- fprintf(stderr, "migration child [%ld] not exiting, no longer"
- " waiting (exit status will be unreported)\n",
- (long)migration_child);
- break;
- }
- timersub(&waituntil, &now, &timeout);
-
- if (recv_fd >= 0) {
- fd_set readfds, exceptfds;
- FD_ZERO(&readfds);
- FD_ZERO(&exceptfds);
- FD_SET(recv_fd, &readfds);
- FD_SET(recv_fd, &exceptfds);
- sr = select(recv_fd+1, &readfds,0,&exceptfds, &timeout);
- } else {
- if (timercmp(&timeout, &pollinterval, >))
- timeout = pollinterval;
- sr = select(0,0,0,0, &timeout);
- }
- if (sr > 0) {
- recv_fd = -1;
- } else if (sr == 0) {
- } else if (sr == -1) {
- if (errno != EINTR) {
- fprintf(stderr, "migration child [%ld] exit wait select"
- " failed unexpectedly: %s\n",
- (long)migration_child, strerror(errno));
- break;
- }
- }
- }
- migration_child = 0;
-}
-
-static void migrate_domain(char *domain_spec, const char *rune,
- const char *override_config_file)
-{
- pid_t child = -1;
- int rc;
- int sendpipe[2], recvpipe[2];
- int send_fd, recv_fd;
- libxl_domain_suspend_info suspinfo;
- char *away_domname;
- char rc_buf;
- uint8_t *config_data;
- int config_len;
-
- save_domain_core_begin(domain_spec, override_config_file,
- &config_data, &config_len);
-
- if (!common_domname) {
- common_domname = libxl_domid_to_name(&ctx, domid);
- /* libxl_domid_to_name fails ? don't bother with names then */
- }
-
- if (!config_len) {
- fprintf(stderr, "No config file stored for running domain and "
- "none supplied - cannot migrate.\n");
- exit(1);
- }
-
- MUST( libxl_pipe(&ctx, sendpipe) );
- MUST( libxl_pipe(&ctx, recvpipe) );
-
- child = libxl_fork(&ctx);
- if (child==-1) exit(1);
-
- if (!child) {
- dup2(sendpipe[0], 0);
- dup2(recvpipe[1], 1);
- close(sendpipe[0]); close(sendpipe[1]);
- close(recvpipe[0]); close(recvpipe[1]);
- execlp("sh","sh","-c",rune,(char*)0);
- perror("failed to exec sh");
- exit(-1);
- }
-
- close(sendpipe[0]);
- close(recvpipe[1]);
- send_fd = sendpipe[1];
- recv_fd = recvpipe[0];
-
- signal(SIGPIPE, SIG_IGN);
- /* if receiver dies, we get an error and can clean up
- rather than just dying */
-
- rc = migrate_read_fixedmessage(recv_fd, migrate_receiver_banner,
- sizeof(migrate_receiver_banner)-1,
- "banner", rune);
- if (rc) {
- close(send_fd);
- migration_child_report(child, recv_fd);
- exit(-rc);
- }
-
- save_domain_core_writeconfig(send_fd, "migration stream",
- config_data, config_len);
-
- memset(&suspinfo, 0, sizeof(suspinfo));
- suspinfo.flags |= XL_SUSPEND_LIVE;
- rc = libxl_domain_suspend(&ctx, &suspinfo, domid, send_fd);
- if (rc) {
- fprintf(stderr, "migration sender: libxl_domain_suspend failed"
- " (rc=%d)\n", rc);
- goto failed_resume;
- }
-
- fprintf(stderr, "migration sender: Transfer complete.\n");
-
- rc = migrate_read_fixedmessage(recv_fd, migrate_receiver_ready,
- sizeof(migrate_receiver_ready),
- "ready message", rune);
- if (rc) goto failed_resume;
-
- /* right, at this point we are about give the destination
- * permission to rename and resume, so we must first rename the
- * domain away ourselves */
-
- fprintf(stderr, "migration sender: Target has acknowledged transfer.\n");
-
- if (common_domname) {
- asprintf(&away_domname, "%s--migratedaway", common_domname);
- rc = libxl_domain_rename(&ctx, domid,
- common_domname, away_domname, 0);
- if (rc) goto failed_resume;
- }
-
- /* point of no return - as soon as we have tried to say
- * "go" to the receiver, it's not safe to carry on. We leave
- * the domain renamed to %s--migratedaway in case that's helpful.
- */
-
- fprintf(stderr, "migration sender: Giving target permission to start.\n");
-
- rc = libxl_write_exactly(&ctx, send_fd,
- migrate_permission_to_go,
- sizeof(migrate_permission_to_go),
- "migration stream", "GO message");
- if (rc) goto failed_badly;
-
- rc = migrate_read_fixedmessage(recv_fd, migrate_report,
- sizeof(migrate_report),
- "success/failure report message", rune);
- if (rc) goto failed_badly;
-
- rc = libxl_read_exactly(&ctx, recv_fd,
- &rc_buf, 1,
- "migration ack stream", "success/failure status");
- if (rc) goto failed_badly;
-
- if (rc_buf) {
- fprintf(stderr, "migration sender: Target reports startup failure"
- " (status code %d).\n", rc_buf);
-
- rc = migrate_read_fixedmessage(recv_fd, migrate_permission_to_go,
- sizeof(migrate_permission_to_go),
- "permission for sender to resume",
- rune);
- if (rc) goto failed_badly;
-
- fprintf(stderr, "migration sender: Trying to resume at our end.\n");
-
- if (common_domname) {
- libxl_domain_rename(&ctx, domid,
- away_domname, common_domname, 0);
- }
- rc = libxl_domain_resume(&ctx, domid);
- if (!rc) fprintf(stderr, "migration sender: Resumed OK.\n");
-
- fprintf(stderr, "Migration failed due to problems at target.\n");
- exit(-ERROR_FAIL);
- }
-
- fprintf(stderr, "migration sender: Target reports successful startup.\n");
- libxl_domain_destroy(&ctx, domid, 1); /* bang! */
- fprintf(stderr, "Migration successful.\n");
- exit(0);
-
- failed_resume:
- close(send_fd);
- migration_child_report(child, recv_fd);
- fprintf(stderr, "Migration failed, resuming at sender.\n");
- libxl_domain_resume(&ctx, domid);
- exit(-ERROR_FAIL);
-
- failed_badly:
- fprintf(stderr,
- "** Migration failed during final handshake **\n"
- "Domain state is now undefined !\n"
- "Please CHECK AT BOTH ENDS for running instances, before renaming and\n"
- " resuming at most one instance. Two simultaneous instances of the domain\n"
- " would probably result in SEVERE DATA LOSS and it is now your\n"
- " responsibility to avoid that. Sorry.\n");
-
- close(send_fd);
- migration_child_report(child, recv_fd);
- exit(-ERROR_BADFAIL);
-}
-
-static void migrate_receive(int debug, int daemonize)
-{
- int rc, rc2;
- char rc_buf;
- char *migration_domname;
-
- signal(SIGPIPE, SIG_IGN);
- /* if we get SIGPIPE we'd rather just have it as an error */
-
- fprintf(stderr, "migration target: Ready to receive domain.\n");
-
- CHK_ERRNO( libxl_write_exactly(&ctx, 1,
- migrate_receiver_banner,
- sizeof(migrate_receiver_banner)-1,
- "migration ack stream",
- "banner") );
-
- rc = create_domain(debug, daemonize,
- 0 /* no config file, use incoming */,
- "incoming migration stream", 1,
- 0, &migration_domname);
- if (rc) {
- fprintf(stderr, "migration target: Domain creation failed"
- " (code %d).\n", rc);
- exit(-rc);
- }
-
- fprintf(stderr, "migration target: Transfer complete,"
- " requesting permission to start domain.\n");
-
- rc = libxl_write_exactly(&ctx, 1,
- migrate_receiver_ready,
- sizeof(migrate_receiver_ready),
- "migration ack stream", "ready message");
- if (rc) exit(-rc);
-
- rc = migrate_read_fixedmessage(0, migrate_permission_to_go,
- sizeof(migrate_permission_to_go),
- "GO message", 0);
- if (rc) goto perhaps_destroy_notify_rc;
-
- fprintf(stderr, "migration target: Got permission, starting domain.\n");
-
- if (migration_domname) {
- rc = libxl_domain_rename(&ctx, domid,
- migration_domname, common_domname, 0);
- if (rc) goto perhaps_destroy_notify_rc;
- }
-
- rc = libxl_domain_unpause(&ctx, domid);
- if (rc) goto perhaps_destroy_notify_rc;
-
- fprintf(stderr, "migration target: Domain started successsfully.\n");
- rc = 0;
-
- perhaps_destroy_notify_rc:
- rc2 = libxl_write_exactly(&ctx, 1,
- migrate_report, sizeof(migrate_report),
- "migration ack stream",
- "success/failure report");
- if (rc2) exit(-ERROR_BADFAIL);
-
- rc_buf = -rc;
- assert(!!rc_buf == !!rc);
- rc2 = libxl_write_exactly(&ctx, 1, &rc_buf, 1,
- "migration ack stream",
- "success/failure code");
- if (rc2) exit(-ERROR_BADFAIL);
-
- if (rc) {
- fprintf(stderr, "migration target: Failure, destroying our copy.\n");
-
- rc2 = libxl_domain_destroy(&ctx, domid, 1);
- if (rc2) {
- fprintf(stderr, "migration target: Failed to destroy our copy"
- " (code %d).\n", rc2);
- exit(-ERROR_BADFAIL);
- }
-
- fprintf(stderr, "migration target: Cleanup OK, granting sender"
- " permission to resume.\n");
-
- rc2 = libxl_write_exactly(&ctx, 1,
- migrate_permission_to_go,
- sizeof(migrate_permission_to_go),
- "migration ack stream",
- "permission to sender to have domain back");
- if (rc2) exit(-ERROR_BADFAIL);
- }
-
- exit(0);
-}
-
-int main_restore(int argc, char **argv)
-{
- char *checkpoint_file = NULL;
- char *config_file = NULL;
- int paused = 0, debug = 0, daemonize = 1;
- int opt, rc;
-
- while ((opt = getopt(argc, argv, "hpde")) != -1) {
- switch (opt) {
- case 'p':
- paused = 1;
- break;
- case 'd':
- debug = 1;
- break;
- case 'e':
- daemonize = 0;
- break;
- case 'h':
- help("restore");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- if (argc-optind == 1) {
- checkpoint_file = argv[optind];
- } else if (argc-optind == 2) {
- config_file = argv[optind];
- checkpoint_file = argv[optind + 1];
- } else {
- help("restore");
- exit(2);
- }
- rc = create_domain(debug, daemonize, config_file,
- checkpoint_file, paused, -1, 0);
- exit(-rc);
-}
-
-int main_migrate_receive(int argc, char **argv)
-{
- int debug = 0, daemonize = 1;
- int opt;
-
- while ((opt = getopt(argc, argv, "hed")) != -1) {
- switch (opt) {
- case 'h':
- help("restore");
- exit(2);
- break;
- case 'e':
- daemonize = 0;
- break;
- case 'd':
- debug = 1;
- break;
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- if (argc-optind != 0) {
- help("restore");
- exit(2);
- }
- migrate_receive(debug, daemonize);
- exit(0);
-}
-
-int main_save(int argc, char **argv)
-{
- char *filename = NULL, *p = NULL;
- const char *config_filename;
- int checkpoint = 0;
- int opt;
-
- while ((opt = getopt(argc, argv, "hc")) != -1) {
- switch (opt) {
- case 'c':
- checkpoint = 1;
- break;
- case 'h':
- help("save");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- if (argc-optind < 1 || argc-optind > 3) {
- help("save");
- exit(2);
- }
-
- p = argv[optind];
- filename = argv[optind + 1];
- config_filename = argv[optind + 2];
- save_domain(p, filename, checkpoint, config_filename);
- exit(0);
-}
-
-int main_migrate(int argc, char **argv)
-{
- char *p = NULL;
- const char *config_filename = NULL;
- const char *ssh_command = "ssh";
- char *rune = NULL;
- char *host;
- int opt, daemonize = 1, debug = 0;
-
- while ((opt = getopt(argc, argv, "hC:s:ed")) != -1) {
- switch (opt) {
- case 'h':
- help("migrate");
- exit(0);
- case 'C':
- config_filename = optarg;
- break;
- case 's':
- ssh_command = optarg;
- break;
- case 'e':
- daemonize = 0;
- break;
- case 'd':
- debug = 1;
- break;
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- if (argc-optind < 2 || argc-optind > 2) {
- help("save");
- exit(2);
- }
-
- p = argv[optind];
- host = argv[optind + 1];
-
- if (!ssh_command[0]) {
- rune= host;
- } else {
- asprintf(&rune, "exec %s %s xl migrate-receive%s%s",
- ssh_command, host,
- daemonize ? "" : " -e",
- debug ? " -d" : "");
- }
-
- migrate_domain(p, rune, config_filename);
- exit(0);
-}
-
-int main_pause(int argc, char **argv)
-{
- int opt;
- char *p;
-
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("pause");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc) {
- help("pause");
- exit(2);
- }
-
- p = argv[optind];
-
- pause_domain(p);
- exit(0);
-}
-
-int main_unpause(int argc, char **argv)
-{
- int opt;
- char *p;
-
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("unpause");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc) {
- help("unpause");
- exit(2);
- }
-
- p = argv[optind];
-
- unpause_domain(p);
- exit(0);
-}
-
-int main_destroy(int argc, char **argv)
-{
- int opt;
- char *p;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("destroy");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc) {
- help("destroy");
- exit(2);
- }
-
- p = argv[optind];
-
- destroy_domain(p);
- exit(0);
-}
-
-int main_list(int argc, char **argv)
-{
- int opt, verbose = 0;
-
- while ((opt = getopt(argc, argv, "hv")) != -1) {
- switch (opt) {
- case 'h':
- help("list");
- exit(0);
- case 'v':
- verbose = 1;
- break;
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- list_domains(verbose);
- exit(0);
-}
-
-int main_list_vm(int argc, char **argv)
-{
- int opt;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("list-vm");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- list_vm();
- exit(0);
-}
-
-int main_create(int argc, char **argv)
-{
- char *filename = NULL;
- int paused = 0, debug = 0, daemonize = 1;
- int opt, rc;
-
- while ((opt = getopt(argc, argv, "hdep")) != -1) {
- switch (opt) {
- case 'p':
- paused = 1;
- break;
- case 'd':
- debug = 1;
- break;
- case 'e':
- daemonize = 0;
- break;
- case 'h':
- help("create");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
-
- if (optind >= argc) {
- help("create");
- exit(2);
- }
-
- filename = argv[optind];
- rc = create_domain(debug, daemonize, filename, NULL, paused,
- -1, 0);
- exit(-rc);
-}
-
-void button_press(char *p, char *b)
-{
- libxl_button button;
-
- find_domain(p);
-
- if (!strcmp(b, "power")) {
- button = POWER_BUTTON;
- } else if (!strcmp(b, "sleep")) {
- button = SLEEP_BUTTON;
- } else {
- fprintf(stderr, "%s is an invalid button identifier\n", b);
- exit(2);
- }
-
- libxl_button_press(&ctx, domid, button);
-}
-
-int main_button_press(int argc, char **argv)
-{
- int opt;
- char *p;
- char *b;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("button-press");
- exit(0);
- default:
- fprintf(stderr, "option not supported\n");
- break;
- }
- }
- if (optind >= argc - 1) {
- help("button-press");
- exit(2);
- }
-
- p = argv[optind];
- b = argv[optind + 1];
-
- button_press(p, b);
- exit(0);
-}
-
-static void print_vcpuinfo(uint32_t tdomid,
- const struct libxl_vcpuinfo *vcpuinfo,
- uint32_t nr_cpus)
-{
- int i, l;
- uint64_t *cpumap;
- uint64_t pcpumap;
-
- /* NAME ID VCPU */
- printf("%-32s %5u %5u",
- libxl_domid_to_name(&ctx, tdomid), tdomid, vcpuinfo->vcpuid);
- if (!vcpuinfo->online) {
- /* CPU STA */
- printf("%5c %3c%cp ", '-', '-', '-');
- } else {
- /* CPU STA */
- printf("%5u %3c%c- ", vcpuinfo->cpu,
- vcpuinfo->running ? 'r' : '-',
- vcpuinfo->blocked ? 'b' : '-');
- }
- /* TIM */
- printf("%9.1f ", ((float)vcpuinfo->vcpu_time / 1e9));
- /* CPU AFFINITY */
- pcpumap = nr_cpus > 64 ? -1 : ((1 << nr_cpus) - 1);
- for (cpumap = vcpuinfo->cpumap; nr_cpus; ++cpumap) {
- if (*cpumap < pcpumap) {
- break;
- }
- if (nr_cpus > 64) {
- pcpumap = -1;
- nr_cpus -= 64;
- } else {
- pcpumap = ((1 << nr_cpus) - 1);
- nr_cpus = 0;
- }
- }
- if (!nr_cpus) {
- printf("any cpu\n");
- } else {
- for (cpumap = vcpuinfo->cpumap; nr_cpus; ++cpumap) {
- pcpumap = *cpumap;
- for (i = 0; !(pcpumap & 1); ++i, pcpumap >>= 1)
- ;
- printf("%u", i);
- for (l = i, pcpumap = (pcpumap >> 1); (pcpumap & 1); ++i, pcpumap
>>= 1)
- ;
- if (l < i) {
- printf("-%u", i);
- }
- for (++i; pcpumap; ++i, pcpumap >>= 1) {
- if (pcpumap & 1) {
- printf(",%u", i);
- for (l = i, pcpumap = (pcpumap >> 1); (pcpumap & 1); ++i,
pcpumap >>= 1)
- ;
- if (l < i) {
- printf("-%u", i);
- }
- ++i;
- }
- }
- printf("\n");
- nr_cpus = nr_cpus > 64 ? nr_cpus - 64 : 0;
- }
- }
-}
-
-void vcpulist(int argc, char **argv)
-{
- struct libxl_dominfo *dominfo;
- struct libxl_vcpuinfo *vcpuinfo;
- struct libxl_physinfo physinfo;
- int nb_vcpu, nb_domain, cpusize;
-
- if (libxl_get_physinfo(&ctx, &physinfo) != 0) {
- fprintf(stderr, "libxl_physinfo failed.\n");
- goto vcpulist_out;
- }
- printf("%-32s %5s %5s %5s %5s %9s %s\n",
- "Name", "ID", "VCPU", "CPU", "State", "Time(s)", "CPU Affinity");
- if (!argc) {
- if (!(dominfo = libxl_list_domain(&ctx, &nb_domain))) {
- fprintf(stderr, "libxl_list_domain failed.\n");
- goto vcpulist_out;
- }
- for (; nb_domain > 0; --nb_domain, ++dominfo) {
- if (!(vcpuinfo = libxl_list_vcpu(&ctx, dominfo->domid, &nb_vcpu,
&cpusize))) {
- fprintf(stderr, "libxl_list_vcpu failed.\n");
- goto vcpulist_out;
- }
- for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
- print_vcpuinfo(dominfo->domid, vcpuinfo, physinfo.nr_cpus);
- }
- }
- } else {
- for (; argc > 0; ++argv, --argc) {
- if (domain_qualifier_to_domid(*argv, &domid, 0) < 0) {
- fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
- }
- if (!(vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu,
&cpusize))) {
- fprintf(stderr, "libxl_list_vcpu failed.\n");
- goto vcpulist_out;
- }
- for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
- print_vcpuinfo(domid, vcpuinfo, physinfo.nr_cpus);
- }
- }
- }
- vcpulist_out:
- ;
-}
-
-void main_vcpulist(int argc, char **argv)
-{
- int opt;
-
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-list");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", opt);
- break;
- }
- }
-
- vcpulist(argc - 1, argv + 1);
- exit(0);
-}
-
-void vcpupin(char *d, const char *vcpu, char *cpu)
-{
- struct libxl_vcpuinfo *vcpuinfo;
- struct libxl_physinfo physinfo;
- uint64_t *cpumap = NULL;
-
- uint32_t vcpuid, cpuida, cpuidb;
- char *endptr, *toka, *tokb;
- int i, nb_vcpu, cpusize;
-
- vcpuid = strtoul(vcpu, &endptr, 10);
- if (vcpu == endptr) {
- if (strcmp(vcpu, "all")) {
- fprintf(stderr, "Error: Invalid argument.\n");
- return;
- }
- vcpuid = -1;
- }
-
- find_domain(d);
-
- if (libxl_get_physinfo(&ctx, &physinfo) != 0) {
- fprintf(stderr, "libxl_get_physinfo failed.\n");
- goto vcpupin_out1;
- }
-
- cpumap = calloc(physinfo.max_cpu_id + 1, sizeof (uint64_t));
- if (!cpumap) {
- goto vcpupin_out1;
- }
- if (strcmp(cpu, "all")) {
- for (toka = strtok(cpu, ","), i = 0; toka; toka = strtok(NULL, ","),
++i) {
- cpuida = strtoul(toka, &endptr, 10);
- if (toka == endptr) {
- fprintf(stderr, "Error: Invalid argument.\n");
- goto vcpupin_out;
- }
- if (*endptr == '-') {
- tokb = endptr + 1;
- cpuidb = strtoul(tokb, &endptr, 10);
- if ((tokb == endptr) || (cpuida > cpuidb)) {
- fprintf(stderr, "Error: Invalid argument.\n");
- goto vcpupin_out;
- }
- while (cpuida <= cpuidb) {
- cpumap[cpuida / 64] |= (1 << (cpuida % 64));
- ++cpuida;
- }
- } else {
- cpumap[cpuida / 64] |= (1 << (cpuida % 64));
- }
- }
- }
- else {
- memset(cpumap, -1, sizeof (uint64_t) * (physinfo.max_cpu_id + 1));
- }
-
- if (vcpuid != -1) {
- if (libxl_set_vcpuaffinity(&ctx, domid, vcpuid,
- cpumap, physinfo.max_cpu_id + 1) == -1) {
- fprintf(stderr, "Could not set affinity for vcpu `%u'.\n", vcpuid);
- }
- }
- else {
- if (!(vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu, &cpusize))) {
- fprintf(stderr, "libxl_list_vcpu failed.\n");
- goto vcpupin_out;
- }
- for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
- if (libxl_set_vcpuaffinity(&ctx, domid, vcpuinfo->vcpuid,
- cpumap, physinfo.max_cpu_id + 1) == -1)
{
- fprintf(stderr, "libxl_list_vcpu failed on vcpu `%u'.\n",
vcpuinfo->vcpuid);
- }
- }
- }
- vcpupin_out1:
- free(cpumap);
- vcpupin_out:
- ;
-}
-
-int main_vcpupin(int argc, char **argv)
-{
- int opt;
-
- if (argc != 4) {
- help("vcpu-pin");
- exit(0);
- }
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-pin");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", opt);
- break;
- }
- }
-
- vcpupin(argv[1], argv[2] , argv[3]);
- exit(0);
-}
-
-void vcpuset(char *d, char* nr_vcpus)
-{
- char *endptr;
- unsigned int max_vcpus;
-
- max_vcpus = strtoul(nr_vcpus, &endptr, 10);
- if (nr_vcpus == endptr) {
- fprintf(stderr, "Error: Invalid argument.\n");
- return;
- }
-
- find_domain(d);
-
- if (libxl_set_vcpucount(&ctx, domid, max_vcpus) == ERROR_INVAL) {
- fprintf(stderr, "Error: Cannot set vcpus greater than max vcpus on
running domain or lesser than 1.\n");
- }
-}
-
-int main_vcpuset(int argc, char **argv)
-{
- int opt;
-
- if (argc != 3) {
- help("vcpu-set");
- exit(0);
- }
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-set");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", opt);
- break;
- }
- }
-
- vcpuset(argv[1], argv[2]);
- exit(0);
-}
-
-static void output_xeninfo(void)
-{
- const libxl_version_info *info;
- int sched_id;
-
- info = libxl_get_version_info(&ctx);
- if ((sched_id = libxl_get_sched_id(&ctx)) < 0) {
- fprintf(stderr, "get_sched_id sysctl failed.\n");
- return;
- }
-
- printf("xen_major : %d\n", info->xen_version_major);
- printf("xen_minor : %d\n", info->xen_version_minor);
- printf("xen_extra : %s\n", info->xen_version_extra);
- printf("xen_caps : %s\n", info->capabilities);
- printf("xen_scheduler : %s\n",
- sched_id == XEN_SCHEDULER_SEDF ? "sedf" :
- sched_id == XEN_SCHEDULER_CREDIT ? "credit" :
- sched_id == XEN_SCHEDULER_CREDIT2 ? "credit2" : "unknown");
- printf("xen_pagesize : %lu\n", info->pagesize);
- printf("platform_params : virt_start=0x%lx\n", info->virt_start);
- printf("xen_changeset : %s\n", info->changeset);
- printf("xen_commandline : %s\n", info->commandline);
- printf("cc_compiler : %s\n", info->compiler);
- printf("cc_compile_by : %s\n", info->compile_by);
- printf("cc_compile_domain : %s\n", info->compile_domain);
- printf("cc_compile_date : %s\n", info->compile_date);
-
- return;
-}
-
-static void output_nodeinfo(void)
-{
- struct utsname utsbuf;
-
- uname(&utsbuf);
-
- printf("host : %s\n", utsbuf.nodename);
- printf("release : %s\n", utsbuf.release);
- printf("version : %s\n", utsbuf.version);
- printf("machine : %s\n", utsbuf.machine);
-
- return;
-}
-
-static void output_physinfo(void)
-{
- struct libxl_physinfo info;
- const libxl_version_info *vinfo;
- unsigned int i;
-
- if (libxl_get_physinfo(&ctx, &info) != 0) {
- fprintf(stderr, "libxl_physinfo failed.\n");
- return;
- }
-
- printf("nr_cpus : %d\n", info.nr_cpus);
- printf("nr_nodes : %d\n", info.nr_nodes);
- printf("cores_per_socket : %d\n", info.cores_per_socket);
- printf("threads_per_core : %d\n", info.threads_per_core);
- printf("cpu_mhz : %d\n", info.cpu_khz / 1000);
- printf("hw_caps : ");
- for (i = 0; i < 8; i++)
- printf("%08x%c", info.hw_cap[i], i < 7 ? ':' : '\n');
- printf("virt_caps :");
- if (info.phys_cap & XEN_SYSCTL_PHYSCAP_hvm)
- printf(" hvm");
- if (info.phys_cap & XEN_SYSCTL_PHYSCAP_hvm_directio)
- printf(" hvm_directio");
- printf("\n");
- vinfo = libxl_get_version_info(&ctx);
- i = (1 << 20) / vinfo->pagesize;
- printf("total_memory : %lu\n", info.total_pages / i);
- printf("free_memory : %lu\n", info.free_pages / i);
-
- return;
-}
-
-void info(int verbose)
-{
- output_nodeinfo();
-
- output_physinfo();
-
- output_xeninfo();
-
- printf("xend_config_format : 4\n");
-
- return;
-}
-
-void main_info(int argc, char **argv)
-{
- int opt, verbose;
-
- verbose = 0;
- while ((opt = getopt(argc, argv, "h")) != -1) {
- switch (opt) {
- case 'h':
- help("vcpu-list");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", opt);
- break;
- }
- }
-
- info(verbose);
- exit(0);
-}
-
-int sched_credit_domain_get(int domid, struct libxl_sched_credit *scinfo)
-{
- int rc;
-
- rc = libxl_sched_credit_domain_get(&ctx, domid, scinfo);
- if (rc)
- fprintf(stderr, "libxl_sched_credit_domain_get failed.\n");
-
- return rc;
-}
-
-int sched_credit_domain_set(int domid, struct libxl_sched_credit *scinfo)
-{
- int rc;
-
- rc = libxl_sched_credit_domain_set(&ctx, domid, scinfo);
- if (rc)
- fprintf(stderr, "libxl_sched_credit_domain_set failed.\n");
-
- return rc;
-}
-
-void sched_credit_domain_output(int domid, struct libxl_sched_credit *scinfo)
-{
- printf("%-33s %4d %6d %4d\n",
- libxl_domid_to_name(&ctx, domid),
- domid,
- scinfo->weight,
- scinfo->cap);
-}
-
-void main_sched_credit(int argc, char **argv)
-{
- struct libxl_dominfo *info;
- struct libxl_sched_credit scinfo;
- int nb_domain, i;
- char *dom = NULL;
- int weight = 256, cap = 0, opt_w = 0, opt_c = 0;
- int opt, rc;
-
- while ((opt = getopt(argc, argv, "hd:w:c:")) != -1) {
- switch (opt) {
- case 'd':
- dom = optarg;
- break;
- case 'w':
- weight = strtol(optarg, NULL, 10);
- opt_w = 1;
- break;
- case 'c':
- cap = strtol(optarg, NULL, 10);
- opt_c = 1;
- break;
- case 'h':
- help("sched-credit");
- exit(0);
- default:
- fprintf(stderr, "option `%c' not supported.\n", opt);
- break;
- }
- }
-
- if (!dom && (opt_w || opt_c)) {
- fprintf(stderr, "Must specify a domain.\n");
- exit(1);
- }
-
- if (!dom) { /* list all domain's credit scheduler info */
- info = libxl_list_domain(&ctx, &nb_domain);
- if (!info) {
- fprintf(stderr, "libxl_domain_infolist failed.\n");
- exit(1);
- }
-
- printf("%-33s %4s %6s %4s\n", "Name", "ID", "Weight", "Cap");
- for (i = 0; i < nb_domain; i++) {
- rc = sched_credit_domain_get(info[i].domid, &scinfo);
- if (rc)
- exit(-rc);
- sched_credit_domain_output(info[i].domid, &scinfo);
- }
- } else {
- find_domain(dom);
-
- rc = sched_credit_domain_get(domid, &scinfo);
- if (rc)
- exit(-rc);
-
- if (!opt_w && !opt_c) { /* output credit scheduler info */
- printf("%-33s %4s %6s %4s\n", "Name", "ID", "Weight", "Cap");
- sched_credit_domain_output(domid, &scinfo);
- } else { /* set credit scheduler paramaters */
- if (opt_w)
- scinfo.weight = weight;
- if (opt_c)
- scinfo.cap = cap;
- rc = sched_credit_domain_set(domid, &scinfo);
- if (rc)
- exit(-rc);
- }
- }
-
- exit(0);
}
int main(int argc, char **argv)
diff -r 3e5383b537c5 -r 742311878ae5 tools/libxl/xl_cmdimpl.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/xl_cmdimpl.c Tue May 04 11:23:17 2010 +0100
@@ -0,0 +1,2865 @@
+/*
+ * Copyright (C) 2009 Citrix Ltd.
+ * Author Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
+ * Author Vincent Hanquez <vincent.hanquez@xxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only. with the special
+ * exception on linking described in file LICENSE.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include "libxl_osdeps.h"
+
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/time.h> /* for time */
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/socket.h>
+#include <sys/select.h>
+#include <arpa/inet.h>
+#include <sys/utsname.h> /* for utsname in xl info */
+#include <xenctrl.h>
+#include <ctype.h>
+#include <inttypes.h>
+
+#include "libxl.h"
+#include "libxl_utils.h"
+#include "libxlutil.h"
+
+#define UUID_FMT
"%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
+
+int logfile = 2;
+
+/* every libxl action in xl uses this same libxl context */
+struct libxl_ctx ctx;
+
+/* when we operate on a domain, it is this one: */
+static uint32_t domid;
+static const char *common_domname;
+
+
+static const char savefileheader_magic[32]=
+ "Xen saved domain, xl format\n \0 \r";
+
+static const char migrate_receiver_banner[]=
+ "xl migration receiver ready, send binary domain data.\n";
+static const char migrate_receiver_ready[]=
+ "domain received, ready to unpause";
+static const char migrate_permission_to_go[]=
+ "domain is yours, you are cleared to unpause";
+static const char migrate_report[]=
+ "my copy unpause results are as follows";
+ /* followed by one byte:
+ * 0: everything went well, domain is running
+ * next thing is we all exit
+ * non-0: things went badly
+ * next thing should be a migrate_permission_to_go
+ * from target to source
+ */
+
+struct save_file_header {
+ char magic[32]; /* savefileheader_magic */
+ /* All uint32_ts are in domain's byte order. */
+ uint32_t byteorder; /* SAVEFILE_BYTEORDER_VALUE */
+ uint32_t mandatory_flags; /* unknown flags => reject restore */
+ uint32_t optional_flags; /* unknown flags => reject restore */
+ uint32_t optional_data_len; /* skip, or skip tail, if not understood */
+};
+
+/* Optional data, in order:
+ * 4 bytes uint32_t config file size
+ * n bytes config file in Unix text file format
+ */
+
+#define SAVEFILE_BYTEORDER_VALUE ((uint32_t)0x01020304UL)
+
+static int domain_qualifier_to_domid(const char *p, uint32_t *domid_r,
+ int *was_name_r)
+{
+ int i, alldigit;
+
+ alldigit = 1;
+ for (i = 0; p[i]; i++) {
+ if (!isdigit((uint8_t)p[i])) {
+ alldigit = 0;
+ break;
+ }
+ }
+
+ if (i > 0 && alldigit) {
+ *domid_r = strtoul(p, NULL, 10);
+ if (was_name_r) *was_name_r = 0;
+ return 0;
+ } else {
+ /* check here if it's a uuid and do proper conversion */
+ }
+ if (was_name_r) *was_name_r = 1;
+ return libxl_name_to_domid(&ctx, p, domid_r);
+}
+
+static void find_domain(const char *p)
+{
+ int rc, was_name;
+
+ rc = domain_qualifier_to_domid(p, &domid, &was_name);
+ if (rc) {
+ fprintf(stderr, "%s is an invalid domain identifier (rc=%d)\n", p, rc);
+ exit(2);
+ }
+ common_domname = was_name ? p : 0;
+}
+
+#define LOG(_f, _a...) dolog(__FILE__, __LINE__, __func__, _f "\n", ##_a)
+
+void dolog(const char *file, int line, const char *func, char *fmt, ...)
+{
+ va_list ap;
+ char *s;
+ int rc;
+
+ va_start(ap, fmt);
+ rc = vasprintf(&s, fmt, ap);
+ va_end(ap);
+ if (rc >= 0)
+ write(logfile, s, rc);
+}
+
+static void init_create_info(libxl_domain_create_info *c_info)
+{
+ memset(c_info, '\0', sizeof(*c_info));
+ c_info->xsdata = NULL;
+ c_info->platformdata = NULL;
+ c_info->hvm = 1;
+ c_info->oos = 1;
+ c_info->ssidref = 0;
+}
+
+static void init_build_info(libxl_domain_build_info *b_info,
libxl_domain_create_info *c_info)
+{
+ memset(b_info, '\0', sizeof(*b_info));
+ b_info->timer_mode = -1;
+ b_info->hpet = 1;
+ b_info->vpt_align = -1;
+ b_info->max_vcpus = 1;
+ b_info->max_memkb = 32 * 1024;
+ b_info->target_memkb = b_info->max_memkb;
+ if (c_info->hvm) {
+ b_info->shadow_memkb =
libxl_get_required_shadow_memory(b_info->max_memkb, b_info->max_vcpus);
+ b_info->video_memkb = 8 * 1024;
+ b_info->kernel = "/usr/lib/xen/boot/hvmloader";
+ b_info->hvm = 1;
+ b_info->u.hvm.pae = 1;
+ b_info->u.hvm.apic = 1;
+ b_info->u.hvm.acpi = 1;
+ b_info->u.hvm.nx = 1;
+ b_info->u.hvm.viridian = 0;
+ } else {
+ b_info->u.pv.slack_memkb = 8 * 1024;
+ }
+}
+
+static void init_dm_info(libxl_device_model_info *dm_info,
+ libxl_domain_create_info *c_info, libxl_domain_build_info *b_info)
+{
+ int i;
+ memset(dm_info, '\0', sizeof(*dm_info));
+
+ for (i = 0; i < 16; i++) {
+ dm_info->uuid[i] = rand();
+ }
+
+ dm_info->dom_name = c_info->name;
+ dm_info->device_model = "/usr/lib/xen/bin/qemu-dm";
+ dm_info->videoram = b_info->video_memkb / 1024;
+ dm_info->apic = b_info->u.hvm.apic;
+
+ dm_info->stdvga = 0;
+ dm_info->vnc = 1;
+ dm_info->vnclisten = "127.0.0.1";
+ dm_info->vncdisplay = 0;
+ dm_info->vncunused = 0;
+ dm_info->keymap = NULL;
+ dm_info->sdl = 0;
+ dm_info->opengl = 0;
+ dm_info->nographic = 0;
+ dm_info->serial = NULL;
+ dm_info->boot = "cda";
+ dm_info->usb = 0;
+ dm_info->usbdevice = NULL;
+}
+
+static void init_nic_info(libxl_device_nic *nic_info, int devnum)
+{
+ memset(nic_info, '\0', sizeof(*nic_info));
+
+ nic_info->backend_domid = 0;
+ nic_info->domid = 0;
+ nic_info->devid = devnum;
+ nic_info->mtu = 1492;
+ nic_info->model = "e1000";
+ nic_info->mac[0] = 0x00;
+ nic_info->mac[1] = 0x16;
+ nic_info->mac[2] = 0x3e;
+ nic_info->mac[3] = 1 + (int) (0x7f * (rand() / (RAND_MAX + 1.0)));
+ nic_info->mac[4] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
+ nic_info->mac[5] = 1 + (int) (0xff * (rand() / (RAND_MAX + 1.0)));
+ nic_info->ifname = NULL;
+ nic_info->bridge = "xenbr0";
+ nic_info->script = "/etc/xen/scripts/vif-bridge";
+ nic_info->nictype = NICTYPE_IOEMU;
+}
+
+static void init_vfb_info(libxl_device_vfb *vfb, int dev_num)
+{
+ memset(vfb, 0x00, sizeof(libxl_device_vfb));
+ vfb->devid = dev_num;
+ vfb->vnc = 1;
+ vfb->vnclisten = "127.0.0.1";
+ vfb->vncdisplay = 0;
+ vfb->vncunused = 1;
+ vfb->keymap = NULL;
+ vfb->sdl = 0;
+ vfb->opengl = 0;
+}
+
+static void init_vkb_info(libxl_device_vkb *vkb, int dev_num)
+{
+ memset(vkb, 0x00, sizeof(libxl_device_vkb));
+ vkb->devid = dev_num;
+}
+
+static void init_console_info(libxl_device_console *console, int dev_num,
libxl_domain_build_state *state)
+{
+ memset(console, 0x00, sizeof(libxl_device_console));
+ console->devid = dev_num;
+ console->constype = CONSTYPE_XENCONSOLED;
+ if (state)
+ console->build_state = state;
+}
+
+static void printf_info(libxl_domain_create_info *c_info,
+ libxl_domain_build_info *b_info,
+ libxl_device_disk *disks,
+ int num_disks,
+ libxl_device_nic *vifs,
+ int num_vifs,
+ libxl_device_pci *pcidevs,
+ int num_pcidevs,
+ libxl_device_vfb *vfbs,
+ int num_vfbs,
+ libxl_device_vkb *vkb,
+ int num_vkbs,
+ libxl_device_model_info *dm_info)
+{
+ int i;
+ printf("*** domain_create_info ***\n");
+ printf("hvm: %d\n", c_info->hvm);
+ printf("hap: %d\n", c_info->hap);
+ printf("oos: %d\n", c_info->oos);
+ printf("ssidref: %d\n", c_info->ssidref);
+ printf("name: %s\n", c_info->name);
+ printf("uuid: " UUID_FMT "\n",
+ (c_info->uuid)[0], (c_info->uuid)[1], (c_info->uuid)[2],
(c_info->uuid)[3],
+ (c_info->uuid)[4], (c_info->uuid)[5], (c_info->uuid)[6],
(c_info->uuid)[7],
+ (c_info->uuid)[8], (c_info->uuid)[9], (c_info->uuid)[10],
(c_info->uuid)[11],
+ (c_info->uuid)[12], (c_info->uuid)[13], (c_info->uuid)[14],
(c_info->uuid)[15]);
+ if (c_info->xsdata)
+ printf("xsdata: contains data\n");
+ else
+ printf("xsdata: (null)\n");
+ if (c_info->platformdata)
+ printf("platformdata: contains data\n");
+ else
+ printf("platformdata: (null)\n");
+
+
+ printf("\n\n\n*** domain_build_info ***\n");
+ printf("timer_mode: %d\n", b_info->timer_mode);
+ printf("hpet: %d\n", b_info->hpet);
+ printf("vpt_align: %d\n", b_info->vpt_align);
+ printf("max_vcpus: %d\n", b_info->max_vcpus);
+ printf("tsc_mode: %d\n", b_info->tsc_mode);
+ printf("max_memkb: %d\n", b_info->max_memkb);
+ printf("target_memkb: %d\n", b_info->target_memkb);
+ printf("kernel: %s\n", b_info->kernel);
+ printf("hvm: %d\n", b_info->hvm);
+
+ if (c_info->hvm) {
+ printf("video_memkb: %d\n", b_info->video_memkb);
+ printf("shadow_memkb: %d\n", b_info->shadow_memkb);
+ printf(" pae: %d\n", b_info->u.hvm.pae);
+ printf(" apic: %d\n", b_info->u.hvm.apic);
+ printf(" acpi: %d\n", b_info->u.hvm.acpi);
+ printf(" nx: %d\n", b_info->u.hvm.nx);
+ printf(" viridian: %d\n", b_info->u.hvm.viridian);
+ } else {
+ printf("cmdline: %s\n", b_info->u.pv.cmdline);
+ printf("ramdisk: %s\n", b_info->u.pv.ramdisk);
+ }
+
+ for (i = 0; i < num_disks; i++) {
+ printf("\n\n\n*** disks_info: %d ***\n", i);
+ printf("backend_domid %d\n", disks[i].backend_domid);
+ printf("domid %d\n", disks[i].domid);
+ printf("physpath %s\n", disks[i].physpath);
+ printf("phystype %d\n", disks[i].phystype);
+ printf("virtpath %s\n", disks[i].virtpath);
+ printf("unpluggable %d\n", disks[i].unpluggable);
+ printf("readwrite %d\n", disks[i].readwrite);
+ printf("is_cdrom %d\n", disks[i].is_cdrom);
+ }
+
+ for (i = 0; i < num_vifs; i++) {
+ printf("\n\n\n*** vifs_info: %d ***\n", i);
+ printf("backend_domid %d\n", vifs[i].backend_domid);
+ printf("domid %d\n", vifs[i].domid);
+ printf("devid %d\n", vifs[i].devid);
+ printf("mtu %d\n", vifs[i].mtu);
+ printf("model %s\n", vifs[i].model);
+ printf("mac %02x:%02x:%02x:%02x:%02x:%02x\n", vifs[i].mac[0],
vifs[i].mac[1], vifs[i].mac[2], vifs[i].mac[3], vifs[i].mac[4], vifs[i].mac[5]);
+ }
+
+ for (i = 0; i < num_pcidevs; i++) {
+ printf("\n\n\n*** pcidevs_info: %d ***\n", i);
+ printf("pci dev "PCI_BDF_VDEVFN"\n", pcidevs[i].domain,
pcidevs[i].bus, pcidevs[i].dev, pcidevs[i].func, pcidevs[i].vdevfn);
+ printf("opts msitranslate %d power_mgmt %d\n",
pcidevs[i].msitranslate, pcidevs[i].power_mgmt);
+ }
+
+ for (i = 0; i < num_vfbs; i++) {
+ printf("\n\n\n*** vfbs_info: %d ***\n", i);
+ printf("backend_domid %d\n", vfbs[i].backend_domid);
+ printf("domid %d\n", vfbs[i].domid);
+ printf("devid %d\n", vfbs[i].devid);
+ printf("vnc: %d\n", vfbs[i].vnc);
+ printf("vnclisten: %s\n", vfbs[i].vnclisten);
+ printf("vncdisplay: %d\n", vfbs[i].vncdisplay);
+ printf("vncunused: %d\n", vfbs[i].vncunused);
+ printf("keymap: %s\n", vfbs[i].keymap);
+ printf("sdl: %d\n", vfbs[i].sdl);
+ printf("opengl: %d\n", vfbs[i].opengl);
+ printf("display: %s\n", vfbs[i].display);
+ printf("xauthority: %s\n", vfbs[i].xauthority);
+ }
+
+ if (c_info->hvm) {
+ printf("\n\n\n*** device_model_info ***\n");
+ printf("domid: %d\n", dm_info->domid);
+ printf("dom_name: %s\n", dm_info->dom_name);
+ printf("device_model: %s\n", dm_info->device_model);
+ printf("videoram: %d\n", dm_info->videoram);
+ printf("stdvga: %d\n", dm_info->stdvga);
+ printf("vnc: %d\n", dm_info->vnc);
+ printf("vnclisten: %s\n", dm_info->vnclisten);
+ printf("vncdisplay: %d\n", dm_info->vncdisplay);
+ printf("vncunused: %d\n", dm_info->vncunused);
+ printf("keymap: %s\n", dm_info->keymap);
+ printf("sdl: %d\n", dm_info->sdl);
+ printf("opengl: %d\n", dm_info->opengl);
+ printf("nographic: %d\n", dm_info->nographic);
+ printf("serial: %s\n", dm_info->serial);
+ printf("boot: %s\n", dm_info->boot);
+ printf("usb: %d\n", dm_info->usb);
+ printf("usbdevice: %s\n", dm_info->usbdevice);
+ printf("apic: %d\n", dm_info->apic);
+ }
+}
+
+static void parse_config_data(const char *configfile_filename_report,
+ const char *configfile_data,
+ int configfile_len,
+ libxl_domain_create_info *c_info,
+ libxl_domain_build_info *b_info,
+ libxl_device_disk **disks,
+ int *num_disks,
+ libxl_device_nic **vifs,
+ int *num_vifs,
+ libxl_device_pci **pcidevs,
+ int *num_pcidevs,
+ libxl_device_vfb **vfbs,
+ int *num_vfbs,
+ libxl_device_vkb **vkbs,
+ int *num_vkbs,
+ libxl_device_model_info *dm_info)
+{
+ const char *buf;
+ long l;
+ XLU_Config *config;
+ XLU_ConfigList *vbds, *nics, *pcis, *cvfbs;
+ int pci_power_mgmt = 0;
+ int pci_msitranslate = 1;
+ int i, e;
+
+ config= xlu_cfg_init(stderr, configfile_filename_report);
+ if (!config) {
+ fprintf(stderr, "Failed to allocate for configuration\n");
+ exit(1);
+ }
+
+ e= xlu_cfg_readdata(config, configfile_data, configfile_len);
+ if (e) {
+ fprintf(stderr, "Failed to parse config file: %s\n", strerror(e));
+ exit(1);
+ }
+
+ init_create_info(c_info);
+
+ c_info->hvm = 0;
+ if (!xlu_cfg_get_string (config, "builder", &buf) &&
+ !strncmp(buf, "hvm", strlen(buf)))
+ c_info->hvm = 1;
+
+ /* hap is missing */
+ if (!xlu_cfg_get_string (config, "name", &buf))
+ c_info->name = strdup(buf);
+ else
+ c_info->name = "test";
+ for (i = 0; i < 16; i++) {
+ c_info->uuid[i] = rand();
+ }
+
+ if (!xlu_cfg_get_long(config, "oos", &l))
+ c_info->oos = l;
+
+ init_build_info(b_info, c_info);
+
+ /* the following is the actual config parsing with overriding values in
the structures */
+ if (!xlu_cfg_get_long (config, "vcpus", &l))
+ b_info->max_vcpus = l;
+
+ if (!xlu_cfg_get_long (config, "memory", &l)) {
+ b_info->max_memkb = l * 1024;
+ b_info->target_memkb = b_info->max_memkb;
+ }
+
+ if (!xlu_cfg_get_long(config, "tsc_mode", &l))
+ b_info->tsc_mode = l;
+
+ if (!xlu_cfg_get_long (config, "shadow_memory", &l))
+ b_info->shadow_memkb = l * 1024;
+
+ if (!xlu_cfg_get_long (config, "videoram", &l))
+ b_info->video_memkb = l * 1024;
+
+ if (!xlu_cfg_get_string (config, "kernel", &buf))
+ b_info->kernel = strdup(buf);
+
+ if (c_info->hvm == 1) {
+ if (!xlu_cfg_get_long (config, "pae", &l))
+ b_info->u.hvm.pae = l;
+ if (!xlu_cfg_get_long (config, "apic", &l))
+ b_info->u.hvm.apic = l;
+ if (!xlu_cfg_get_long (config, "acpi", &l))
+ b_info->u.hvm.acpi = l;
+ if (!xlu_cfg_get_long (config, "nx", &l))
+ b_info->u.hvm.nx = l;
+ if (!xlu_cfg_get_long (config, "viridian", &l))
+ b_info->u.hvm.viridian = l;
+ } else {
+ char *cmdline;
+ if (!xlu_cfg_get_string (config, "root", &buf)) {
+ asprintf(&cmdline, "root=%s", buf);
+ b_info->u.pv.cmdline = cmdline;
+ }
+ if (!xlu_cfg_get_string (config, "ramdisk", &buf))
+ b_info->u.pv.ramdisk = strdup(buf);
+ }
+
+ if (!xlu_cfg_get_list (config, "disk", &vbds, 0)) {
+ *num_disks = 0;
+ *disks = NULL;
+ while ((buf = xlu_cfg_get_listitem (vbds, *num_disks)) != NULL) {
+ char *buf2 = strdup(buf);
+ char *p, *p2;
+ *disks = (libxl_device_disk *) realloc(*disks, sizeof
(libxl_device_disk) * ((*num_disks) + 1));
+ (*disks)[*num_disks].backend_domid = 0;
+ (*disks)[*num_disks].domid = 0;
+ (*disks)[*num_disks].unpluggable = 0;
+ p = strtok(buf2, ",:");
+ while (*p == ' ')
+ p++;
+ if (!strcmp(p, "phy")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_PHY;
+ } else if (!strcmp(p, "file")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_FILE;
+ } else if (!strcmp(p, "tap")) {
+ p = strtok(NULL, ":");
+ if (!strcmp(p, "aio")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_AIO;
+ } else if (!strcmp(p, "vhd")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_VHD;
+ } else if (!strcmp(p, "qcow")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_QCOW;
+ } else if (!strcmp(p, "qcow2")) {
+ (*disks)[*num_disks].phystype = PHYSTYPE_QCOW2;
+ }
+ }
+ p = strtok(NULL, ",");
+ while (*p == ' ')
+ p++;
+ (*disks)[*num_disks].physpath= strdup(p);
+ p = strtok(NULL, ",");
+ while (*p == ' ')
+ p++;
+ p2 = strchr(p, ':');
+ if (p2 == NULL) {
+ (*disks)[*num_disks].virtpath = strdup(p);
+ (*disks)[*num_disks].is_cdrom = 0;
+ (*disks)[*num_disks].unpluggable = 1;
+ } else {
+ *p2 = '\0';
+ (*disks)[*num_disks].virtpath = strdup(p);
+ if (!strcmp(p2 + 1, "cdrom")) {
+ (*disks)[*num_disks].is_cdrom = 1;
+ (*disks)[*num_disks].unpluggable = 1;
+ } else
+ (*disks)[*num_disks].is_cdrom = 0;
+ }
+ p = strtok(NULL, ",");
+ while (*p == ' ')
+ p++;
+ (*disks)[*num_disks].readwrite = (p[0] == 'w') ? 1 : 0;
+ free(buf2);
+ *num_disks = (*num_disks) + 1;
+ }
+ }
+
+ if (!xlu_cfg_get_list (config, "vif", &nics, 0)) {
+ *num_vifs = 0;
+ *vifs = NULL;
+ while ((buf = xlu_cfg_get_listitem (nics, *num_vifs)) != NULL) {
+ char *buf2 = strdup(buf);
+ char *p, *p2;
+ *vifs = (libxl_device_nic *) realloc(*vifs, sizeof
(libxl_device_nic) * ((*num_vifs) + 1));
+ init_nic_info((*vifs) + (*num_vifs), (*num_vifs) + 1);
+ p = strtok(buf2, ",");
+ if (!p)
+ goto skip;
+ do {
+ while (*p == ' ')
+ p++;
+ if ((p2 = strchr(p, '=')) == NULL)
+ break;
+ *p2 = '\0';
+ if (!strcmp(p, "model")) {
+ (*vifs)[*num_vifs].model = strdup(p2 + 1);
+ } else if (!strcmp(p, "mac")) {
+ char *p3 = p2 + 1;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[0] = strtol(p3, NULL, 16);
+ p3 = p3 + 3;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[1] = strtol(p3, NULL, 16);
+ p3 = p3 + 3;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[2] = strtol(p3, NULL, 16);
+ p3 = p3 + 3;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[3] = strtol(p3, NULL, 16);
+ p3 = p3 + 3;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[4] = strtol(p3, NULL, 16);
+ p3 = p3 + 3;
+ *(p3 + 2) = '\0';
+ (*vifs)[*num_vifs].mac[5] = strtol(p3, NULL, 16);
+ } else if (!strcmp(p, "bridge")) {
+ (*vifs)[*num_vifs].bridge = strdup(p2 + 1);
+ } else if (!strcmp(p, "type")) {
+ if (!strcmp(p2 + 1, "ioemu"))
+ (*vifs)[*num_vifs].nictype = NICTYPE_IOEMU;
+ else
+ (*vifs)[*num_vifs].nictype = NICTYPE_VIF;
+ } else if (!strcmp(p, "ip")) {
+ inet_pton(AF_INET, p2 + 1, &((*vifs)[*num_vifs].ip));
+ } else if (!strcmp(p, "script")) {
+ (*vifs)[*num_vifs].script = strdup(p2 + 1);
+ } else if (!strcmp(p, "vifname")) {
+ (*vifs)[*num_vifs].ifname = strdup(p2 + 1);
+ } else if (!strcmp(p, "rate")) {
+ fprintf(stderr, "the rate parameter for vifs is currently
not supported\n");
+ } else if (!strcmp(p, "accel")) {
+ fprintf(stderr, "the accel parameter for vifs is currently
not supported\n");
+ }
+ } while ((p = strtok(NULL, ",")) != NULL);
+skip:
+ free(buf2);
+ *num_vifs = (*num_vifs) + 1;
+ }
+ }
+
+ if (!xlu_cfg_get_list (config, "vfb", &cvfbs, 0)) {
+ *num_vfbs = 0;
+ *num_vkbs = 0;
+ *vfbs = NULL;
+ *vkbs = NULL;
+ while ((buf = xlu_cfg_get_listitem (cvfbs, *num_vfbs)) != NULL) {
+ char *buf2 = strdup(buf);
+ char *p, *p2;
+ *vfbs = (libxl_device_vfb *) realloc(*vfbs,
sizeof(libxl_device_vfb) * ((*num_vfbs) + 1));
+ init_vfb_info((*vfbs) + (*num_vfbs), (*num_vfbs));
+
+ *vkbs = (libxl_device_vkb *) realloc(*vkbs,
sizeof(libxl_device_vkb) * ((*num_vkbs) + 1));
+ init_vkb_info((*vkbs) + (*num_vkbs), (*num_vkbs));
+
+ p = strtok(buf2, ",");
+ if (!p)
+ goto skip_vfb;
+ do {
+ while (*p == ' ')
+ p++;
+ if ((p2 = strchr(p, '=')) == NULL)
+ break;
+ *p2 = '\0';
+ if (!strcmp(p, "vnc")) {
+ (*vfbs)[*num_vfbs].vnc = atoi(p2 + 1);
+ } else if (!strcmp(p, "vnclisten")) {
+ (*vfbs)[*num_vfbs].vnclisten = strdup(p2 + 1);
+ } else if (!strcmp(p, "vncdisplay")) {
+ (*vfbs)[*num_vfbs].vncdisplay = atoi(p2 + 1);
+ } else if (!strcmp(p, "vncunused")) {
+ (*vfbs)[*num_vfbs].vncunused = atoi(p2 + 1);
+ } else if (!strcmp(p, "keymap")) {
+ (*vfbs)[*num_vfbs].keymap = strdup(p2 + 1);
+ } else if (!strcmp(p, "sdl")) {
+ (*vfbs)[*num_vfbs].sdl = atoi(p2 + 1);
+ } else if (!strcmp(p, "opengl")) {
+ (*vfbs)[*num_vfbs].opengl = atoi(p2 + 1);
+ } else if (!strcmp(p, "display")) {
+ (*vfbs)[*num_vfbs].display = strdup(p2 + 1);
+ } else if (!strcmp(p, "xauthority")) {
+ (*vfbs)[*num_vfbs].xauthority = strdup(p2 + 1);
+ }
+ } while ((p = strtok(NULL, ",")) != NULL);
+skip_vfb:
+ free(buf2);
+ *num_vfbs = (*num_vfbs) + 1;
+ *num_vkbs = (*num_vkbs) + 1;
+ }
+ }
+
+ if (!xlu_cfg_get_long (config, "pci_msitranslate", &l))
+ pci_msitranslate = l;
+
+ if (!xlu_cfg_get_long (config, "pci_power_mgmt", &l))
+ pci_power_mgmt = l;
+
+ if (!xlu_cfg_get_list (config, "pci", &pcis, 0)) {
+ *num_pcidevs = 0;
+ *pcidevs = NULL;
+ while ((buf = xlu_cfg_get_listitem (pcis, *num_pcidevs)) != NULL) {
+ unsigned int domain = 0, bus = 0, dev = 0, func = 0, vdevfn = 0;
+ char *buf2 = strdup(buf);
+ char *p;
+ *pcidevs = (libxl_device_pci *) realloc(*pcidevs, sizeof
(libxl_device_pci) * ((*num_pcidevs) + 1));
+ memset(*pcidevs + *num_pcidevs, 0x00, sizeof(libxl_device_pci));
+ p = strtok(buf2, ",");
+ if (!p)
+ goto skip_pci;
+ if (!sscanf(p, PCI_BDF_VDEVFN, &domain, &bus, &dev, &func,
&vdevfn)) {
+ sscanf(p, "%02x:%02x.%01x@%02x", &bus, &dev, &func, &vdevfn);
+ domain = 0;
+ }
+ libxl_device_pci_init(*pcidevs + *num_pcidevs, domain, bus, dev,
func, vdevfn);
+ (*pcidevs)[*num_pcidevs].msitranslate = pci_msitranslate;
+ (*pcidevs)[*num_pcidevs].power_mgmt = pci_power_mgmt;
+ while ((p = strtok(NULL, ",=")) != NULL) {
+ while (*p == ' ')
+ p++;
+ if (!strcmp(p, "msitranslate")) {
+ p = strtok(NULL, ",=");
+ (*pcidevs)[*num_pcidevs].msitranslate = atoi(p);
+ } else if (!strcmp(p, "power_mgmt")) {
+ p = strtok(NULL, ",=");
+ (*pcidevs)[*num_pcidevs].power_mgmt = atoi(p);
+ }
+ }
+ *num_pcidevs = (*num_pcidevs) + 1;
+skip_pci:
+ free(buf2);
+ }
+ }
+
+ if (c_info->hvm == 1) {
+ /* init dm from c and b */
+ init_dm_info(dm_info, c_info, b_info);
+
+ /* then process config related to dm */
+ if (!xlu_cfg_get_string (config, "device_model", &buf))
+ dm_info->device_model = strdup(buf);
+ if (!xlu_cfg_get_long (config, "stdvga", &l))
+ dm_info->stdvga = l;
+ if (!xlu_cfg_get_long (config, "vnc", &l))
+ dm_info->vnc = l;
+ if (!xlu_cfg_get_string (config, "vnclisten", &buf))
+ dm_info->vnclisten = strdup(buf);
+ if (!xlu_cfg_get_long (config, "vncdisplay", &l))
+ dm_info->vncdisplay = l;
+ if (!xlu_cfg_get_long (config, "vncunused", &l))
+ dm_info->vncunused = l;
+ if (!xlu_cfg_get_string (config, "keymap", &buf))
+ dm_info->keymap = strdup(buf);
+ if (!xlu_cfg_get_long (config, "sdl", &l))
+ dm_info->sdl = l;
+ if (!xlu_cfg_get_long (config, "opengl", &l))
+ dm_info->opengl = l;
+ if (!xlu_cfg_get_long (config, "nographic", &l))
+ dm_info->nographic = l;
+ if (!xlu_cfg_get_string (config, "serial", &buf))
+ dm_info->serial = strdup(buf);
+ if (!xlu_cfg_get_string (config, "boot", &buf))
+ dm_info->boot = strdup(buf);
+ if (!xlu_cfg_get_long (config, "usb", &l))
+ dm_info->usb = l;
+ if (!xlu_cfg_get_string (config, "usbdevice", &buf))
+ dm_info->usbdevice = strdup(buf);
+ }
+
+ dm_info->type = c_info->hvm ? XENFV : XENPV;
+
+ xlu_cfg_destroy(config);
+}
+
+#define CHK_ERRNO( call ) ({ \
+ int chk_errno = (call); \
+ if (chk_errno) { \
+ fprintf(stderr,"xl: fatal error: %s:%d: %s: %s\n", \
+ __FILE__,__LINE__, strerror(chk_errno), #call); \
+ exit(-ERROR_FAIL); \
+ } \
+ })
+
+#define MUST( call ) ({ \
+ int must_rc = (call); \
+ if (must_rc) { \
+ fprintf(stderr,"xl: fatal error: %s:%d, rc=%d: %s\n", \
+ __FILE__,__LINE__, must_rc, #call); \
+ exit(-must_rc); \
+ } \
+ })
+
+static void *xmalloc(size_t sz) {
+ void *r;
+ r = malloc(sz);
+ if (!r) { fprintf(stderr,"xl: Unable to malloc %lu bytes.\n",
+ (unsigned long)sz); exit(-ERROR_FAIL); }
+ return r;
+}
+
+static void *xrealloc(void *ptr, size_t sz) {
+ void *r;
+ if (!sz) { free(ptr); return 0; }
+ /* realloc(non-0, 0) has a useless return value;
+ * but xrealloc(anything, 0) is like free
+ */
+ r = realloc(ptr, sz);
+ if (!r) { fprintf(stderr,"xl: Unable to realloc to %lu bytes.\n",
+ (unsigned long)sz); exit(-ERROR_FAIL); }
+ return r;
+}
+
+static int create_domain(int debug, int daemonize, const char *config_file,
const char *restore_file, int paused, int migrate_fd /* -1 means none */, char
**migration_domname_r)
+{
+ libxl_domain_create_info info1;
+ libxl_domain_build_info info2;
+ libxl_domain_build_state state;
+ libxl_device_model_info dm_info;
+ libxl_device_disk *disks = NULL;
+ libxl_device_nic *vifs = NULL;
+ libxl_device_pci *pcidevs = NULL;
+ libxl_device_vfb *vfbs = NULL;
+ libxl_device_vkb *vkbs = NULL;
+ libxl_device_console console;
+ int num_disks = 0, num_vifs = 0, num_pcidevs = 0, num_vfbs = 0, num_vkbs =
0;
+ int i, fd;
+ int need_daemon = 1;
+ int ret, rc;
+ libxl_device_model_starting *dm_starting = 0;
+ libxl_waiter *w1 = NULL, *w2 = NULL;
+ void *config_data = 0;
+ int config_len = 0;
+ int restore_fd = -1;
+ struct save_file_header hdr;
+
+ memset(&dm_info, 0x00, sizeof(dm_info));
+
+ if (restore_file) {
+ uint8_t *optdata_begin = 0;
+ const uint8_t *optdata_here = 0;
+ union { uint32_t u32; char b[4]; } u32buf;
+ uint32_t badflags;
+
+ restore_fd = migrate_fd >= 0 ? migrate_fd :
+ open(restore_file, O_RDONLY);
+
+ CHK_ERRNO( libxl_read_exactly(&ctx, restore_fd, &hdr,
+ sizeof(hdr), restore_file, "header") );
+ if (memcmp(hdr.magic, savefileheader_magic, sizeof(hdr.magic))) {
+ fprintf(stderr, "File has wrong magic number -"
+ " corrupt or for a different tool?\n");
+ return ERROR_INVAL;
+ }
+ if (hdr.byteorder != SAVEFILE_BYTEORDER_VALUE) {
+ fprintf(stderr, "File has wrong byte order\n");
+ return ERROR_INVAL;
+ }
+ fprintf(stderr, "Loading new save file %s"
+ " (new xl fmt info"
+ " 0x%"PRIx32"/0x%"PRIx32"/%"PRIu32")\n",
+ restore_file, hdr.mandatory_flags, hdr.optional_flags,
+ hdr.optional_data_len);
+
+ badflags = hdr.mandatory_flags & ~( 0 /* none understood yet */ );
+ if (badflags) {
+ fprintf(stderr, "Savefile has mandatory flag(s) 0x%"PRIx32" "
+ "which are not supported; need newer xl\n",
+ badflags);
+ return ERROR_INVAL;
+ }
+ if (hdr.optional_data_len) {
+ optdata_begin = xmalloc(hdr.optional_data_len);
+ CHK_ERRNO( libxl_read_exactly(&ctx, restore_fd, optdata_begin,
+ hdr.optional_data_len, restore_file, "optdata") );
+ }
+
+#define OPTDATA_LEFT (hdr.optional_data_len - (optdata_here - optdata_begin))
+#define WITH_OPTDATA(amt, body) \
+ if (OPTDATA_LEFT < (amt)) { \
+ fprintf(stderr, "Savefile truncated.\n"); \
+ return ERROR_INVAL; \
+ } else { \
+ body; \
+ optdata_here += (amt); \
+ }
+
+ optdata_here = optdata_begin;
+
+ if (OPTDATA_LEFT) {
+ fprintf(stderr, " Savefile contains xl domain config\n");
+ WITH_OPTDATA(4, {
+ memcpy(u32buf.b, optdata_here, 4);
+ config_len = u32buf.u32;
+ });
+ WITH_OPTDATA(config_len, {
+ config_data = xmalloc(config_len);
+ memcpy(config_data, optdata_here, config_len);
+ });
+ }
+
+ }
+
+ if (config_file) {
+ free(config_data); config_data = 0;
+ ret = libxl_read_file_contents(&ctx, config_file,
+ &config_data, &config_len);
+ if (ret) { fprintf(stderr, "Failed to read config file: %s: %s\n",
+ config_file, strerror(errno)); return ERROR_FAIL; }
+ } else {
+ if (!config_data) {
+ fprintf(stderr, "Config file not specified and"
+ " none in save file\n");
+ return ERROR_INVAL;
+ }
+ config_file = "<saved>";
+ }
+
+ printf("Parsing config file %s\n", config_file);
+
+ parse_config_data(config_file, config_data, config_len, &info1, &info2,
&disks, &num_disks, &vifs, &num_vifs, &pcidevs, &num_pcidevs, &vfbs, &num_vfbs,
&vkbs, &num_vkbs, &dm_info);
+
+ if (migrate_fd >= 0) {
+ if (info1.name) {
+ /* when we receive a domain we get its name from the config
+ * file; and we receive it to a temporary name */
+ assert(!common_domname);
+ common_domname = info1.name;
+ asprintf(migration_domname_r, "%s--incoming", info1.name);
+ info1.name = *migration_domname_r;
+ }
+ }
+
+ if (debug)
+ printf_info(&info1, &info2, disks, num_disks, vifs, num_vifs, pcidevs,
num_pcidevs, vfbs, num_vfbs, vkbs, num_vkbs, &dm_info);
+
+start:
+ domid = 0;
+
+ ret = libxl_domain_make(&ctx, &info1, &domid);
+ if (ret) {
+ fprintf(stderr, "cannot make domain: %d\n", ret);
+ return ERROR_FAIL;
+ }
+
+ ret = libxl_userdata_store(&ctx, domid, "xl",
+ config_data, config_len);
+ if (ret) {
+ perror("cannot save config file");
+ return ERROR_FAIL;
+ }
+
+ if (!restore_file || !need_daemon) {
+ if (dm_info.saved_state) {
+ free(dm_info.saved_state);
+ dm_info.saved_state = NULL;
+ }
+ ret = libxl_domain_build(&ctx, &info2, domid, &state);
+ } else {
+ ret = libxl_domain_restore(&ctx, &info2, domid, restore_fd, &state,
&dm_info);
+ }
+
+ if (ret) {
+ fprintf(stderr, "cannot (re-)build domain: %d\n", ret);
+ return ERROR_FAIL;
+ }
+
+ for (i = 0; i < num_disks; i++) {
+ disks[i].domid = domid;
+ ret = libxl_device_disk_add(&ctx, domid, &disks[i]);
+ if (ret) {
+ fprintf(stderr, "cannot add disk %d to domain: %d\n", i, ret);
+ return ERROR_FAIL;
+ }
+ }
+ for (i = 0; i < num_vifs; i++) {
+ vifs[i].domid = domid;
+ ret = libxl_device_nic_add(&ctx, domid, &vifs[i]);
+ if (ret) {
+ fprintf(stderr, "cannot add nic %d to domain: %d\n", i, ret);
+ return ERROR_FAIL;
+ }
+ }
+ if (info1.hvm) {
+ dm_info.domid = domid;
+ MUST( libxl_create_device_model(&ctx, &dm_info, disks, num_disks,
+ vifs, num_vifs, &dm_starting) );
+ } else {
+ for (i = 0; i < num_vfbs; i++) {
+ vfbs[i].domid = domid;
+ libxl_device_vfb_add(&ctx, domid, &vfbs[i]);
+ vkbs[i].domid = domid;
+ libxl_device_vkb_add(&ctx, domid, &vkbs[i]);
+ }
+ init_console_info(&console, 0, &state);
+ console.domid = domid;
+ if (num_vfbs)
+ console.constype = CONSTYPE_IOEMU;
+ libxl_device_console_add(&ctx, domid, &console);
+ if (num_vfbs)
+ libxl_create_xenpv_qemu(&ctx, vfbs, 1, &console, &dm_starting);
+ }
+
+ if (dm_starting)
+ MUST( libxl_confirm_device_model_startup(&ctx, dm_starting) );
+ for (i = 0; i < num_pcidevs; i++)
+ libxl_device_pci_add(&ctx, domid, &pcidevs[i]);
+
+ if (!paused)
+ libxl_domain_unpause(&ctx, domid);
+
+ if (!daemonize)
+ return 0; /* caller gets success in parent */
+
+ if (need_daemon) {
+ char *fullname, *name;
+ pid_t child1, got_child;
+ int nullfd;
+
+ child1 = libxl_fork(&ctx);
+ if (child1) {
+ int status;
+ for (;;) {
+ got_child = waitpid(child1, &status, 0);
+ if (got_child == child1) break;
+ assert(got_child == -1);
+ if (errno != EINTR) {
+ perror("failed to wait for daemonizing child");
+ return ERROR_FAIL;
+ }
+ }
+ if (status) {
+ libxl_report_child_exitstatus(&ctx, XL_LOG_ERROR,
+ "daemonizing child", child1, status);
+ return ERROR_FAIL;
+ }
+ return 0; /* caller gets success in parent */
+ }
+
+ rc = libxl_ctx_postfork(&ctx);
+ if (rc) {
+ LOG("failed to reinitialise context after fork");
+ exit(-1);
+ }
+
+ asprintf(&name, "xl-%s", info1.name);
+ rc = libxl_create_logfile(&ctx, name, &fullname);
+ if (rc) {
+ LOG("failed to open logfile %s",fullname,strerror(errno));
+ exit(-1);
+ }
+
+ CHK_ERRNO(( logfile = open(fullname, O_WRONLY|O_CREAT, 0644) )<0);
+ free(fullname);
+ free(name);
+
+ CHK_ERRNO(( nullfd = open("/dev/null", O_RDONLY) )<0);
+ dup2(nullfd, 0);
+ dup2(logfile, 1);
+ dup2(logfile, 2);
+
+ daemon(0, 1);
+ need_daemon = 0;
+ }
+ LOG("Waiting for domain %s (domid %d) to die [pid %ld]",
+ info1.name, domid, (long)getpid());
+ w1 = (libxl_waiter*) xmalloc(sizeof(libxl_waiter) * num_disks);
+ w2 = (libxl_waiter*) xmalloc(sizeof(libxl_waiter));
+ libxl_wait_for_disk_ejects(&ctx, domid, disks, num_disks, w1);
+ libxl_wait_for_domain_death(&ctx, domid, w2);
+ libxl_get_wait_fd(&ctx, &fd);
+ while (1) {
+ int ret;
+ fd_set rfds;
+ xc_domaininfo_t info;
+ libxl_event event;
+ libxl_device_disk disk;
+ memset(&info, 0x00, sizeof(xc_dominfo_t));
+
+ FD_ZERO(&rfds);
+ FD_SET(fd, &rfds);
+
+ ret = select(fd + 1, &rfds, NULL, NULL, NULL);
+ if (!ret)
+ continue;
+ libxl_get_event(&ctx, &event);
+ switch (event.type) {
+ case DOMAIN_DEATH:
+ if (libxl_event_get_domain_death_info(&ctx, domid, &event,
&info)) {
+ LOG("Domain %d is dead", domid);
+ if (info.flags & XEN_DOMINF_dying || (info.flags &
XEN_DOMINF_shutdown && (((info.flags >> XEN_DOMINF_shutdownshift) &
XEN_DOMINF_shutdownmask) != SHUTDOWN_suspend))) {
+ LOG("Domain %d needs to be clean: destroying the
domain", domid);
+ libxl_domain_destroy(&ctx, domid, 0);
+ if (info.flags & XEN_DOMINF_shutdown &&
+ (((info.flags >> XEN_DOMINF_shutdownshift) &
XEN_DOMINF_shutdownmask) == SHUTDOWN_reboot)) {
+ libxl_free_waiter(w1);
+ libxl_free_waiter(w2);
+ free(w1);
+ free(w2);
+ LOG("Done. Rebooting now");
+ goto start;
+ }
+ LOG("Done. Exiting now");
+ }
+ LOG("Domain %d does not need to be clean, exiting now",
domid);
+ exit(0);
+ }
+ break;
+ case DISK_EJECT:
+ if (libxl_event_get_disk_eject_info(&ctx, domid, &event,
&disk))
+ libxl_cdrom_insert(&ctx, domid, &disk);
+ break;
+ }
+ libxl_free_event(&event);
+ }
+
+ close(logfile);
+ exit(0);
+}
+
+void help(char *command)
+{
+ if (!command || !strcmp(command, "help")) {
+ printf("Usage xl <subcommand> [args]\n\n");
+ printf("xl full list of subcommands:\n\n");
+ printf(" create create a domain from config
file <filename>\n\n");
+ printf(" list list information about all
domains\n\n");
+ printf(" destroy terminate a domain
immediately\n\n");
+ printf(" pci-attach insert a new pass-through pci
device\n\n");
+ printf(" pci-detach remove a domain's pass-through
pci device\n\n");
+ printf(" pci-list list pass-through pci devices
for a domain\n\n");
+ printf(" pause pause execution of a
domain\n\n");
+ printf(" unpause unpause a paused domain\n\n");
+ printf(" console attach to domain's
console\n\n");
+ printf(" save save a domain state to restore
later\n\n");
+ printf(" restore restore a domain from a saved
state\n\n");
+ printf(" cd-insert insert a cdrom into a guest's
cd drive\n\n");
+ printf(" cd-eject eject a cdrom from a guest's cd
drive\n\n");
+ printf(" mem-set set the current memory usage
for a domain\n\n");
+ printf(" button-press indicate an ACPI button press
to the domain\n\n");
+ printf(" vcpu-list list the VCPUs for all/some
domains.\n\n");
+ printf(" vcpu-pin Set which CPUs a VCPU can
use.\n\n");
+ printf(" vcpu-set Set the number of active VCPUs
allowed for the domain.\n\n");
+ printf(" sched-credit Get/set credit scheduler
parameters.\n\n");
+ } else if(!strcmp(command, "create")) {
+ printf("Usage: xl create <ConfigFile> [options] [vars]\n\n");
+ printf("Create a domain based on <ConfigFile>.\n\n");
+ printf("Options:\n\n");
+ printf("-h Print this help.\n");
+ printf("-p Leave the domain paused after it is
created.\n");
+ printf("-d Enable debug messages.\n");
+ printf("-e Do not wait in the background for the
death of the domain.\n");
+ } else if(!strcmp(command, "list")) {
+ printf("Usage: xl list [-v] [Domain]\n\n");
+ printf("List information about all/some domains.\n\n");
+ } else if(!strcmp(command, "pci-attach")) {
+ printf("Usage: xl pci-attach <Domain> <BDF> [Virtual Slot]\n\n");
+ printf("Insert a new pass-through pci device.\n\n");
+ } else if(!strcmp(command, "pci-detach")) {
+ printf("Usage: xl pci-detach <Domain> <BDF>\n\n");
+ printf("Remove a domain's pass-through pci device.\n\n");
+ } else if(!strcmp(command, "pci-list")) {
+ printf("Usage: xl pci-list <Domain>\n\n");
+ printf("List pass-through pci devices for a domain.\n\n");
+ } else if(!strcmp(command, "pause")) {
+ printf("Usage: xl pause <Domain>\n\n");
+ printf("Pause execution of a domain.\n\n");
+ } else if(!strcmp(command, "unpause")) {
+ printf("Usage: xl unpause <Domain>\n\n");
+ printf("Unpause a paused domain.\n\n");
+ } else if(!strcmp(command, "save")) {
+ printf("Usage: xl save [options] <Domain> <CheckpointFile>
[<ConfigFile>]\n\n");
+ printf("Save a domain state to restore later.\n\n");
+ printf("Options:\n\n");
+ printf("-h Print this help.\n");
+ printf("-c Leave domain running after creating the
snapshot.\n");
+ } else if(!strcmp(command, "restore")) {
+ printf("Usage: xl restore [options] [<ConfigFile>]
<CheckpointFile>\n\n");
+ printf("Restore a domain from a saved state.\n\n");
+ printf("Options:\n\n");
+ printf("-h Print this help.\n");
+ printf("-p Do not unpause domain after restoring
it.\n");
+ printf("-e Do not wait in the background for the
death of the domain.\n");
+ printf("-d Enable debug messages.\n");
+ } else if(!strcmp(command, "migrate")) {
+ printf("Usage: xl migrate [options] <Domain> <host>\n\n");
+ printf("Save a domain state to restore later.\n\n");
+ printf("Options:\n\n");
+ printf("-h Print this help.\n");
+ printf("-C <config> Send <config> instead of config file
from creation.\n");
+ printf("-s <sshcommand> Use <sshcommand> instead of ssh.
String will be passed to sh. If empty, run <host> instead of ssh <host> xl
migrate-receive [-d -e]\n");
+ printf("-e Do not wait in the background (on
<host>) for the death of the domain.\n");
+ } else if(!strcmp(command, "migrate-receive")) {
+ printf("Usage: xl migrate-receive - for internal use only");
+ } else if(!strcmp(command, "restore")) {
+ printf("Usage: xl restore [options] [<ConfigFile>]
<CheckpointFile>\n\n");
+ printf("Restore a domain from a saved state.\n\n");
+ printf("Options:\n\n");
+ printf("-h Print this help.\n");
+ printf("-O Old (configless) xl save format.\n");
+ printf("-p Do not unpause domain after restoring
it.\n");
+ printf("-e Do not wait in the background for the
death of the domain.\n");
+ } else if(!strcmp(command, "destroy")) {
+ printf("Usage: xl destroy <Domain>\n\n");
+ printf("Terminate a domain immediately.\n\n");
+ } else if (!strcmp(command, "console")) {
+ printf("Usage: xl console <Domain>\n\n");
+ printf("Attach to domain's console.\n\n");
+ } else if (!strcmp(command, "cd-insert")) {
+ printf("Usage: xl cd-insert <Domain> <VirtualDevice> <type:path>\n\n");
+ printf("Insert a cdrom into a guest's cd drive.\n\n");
+ } else if (!strcmp(command, "cd-eject")) {
+ printf("Usage: xl cd-eject <Domain> <VirtualDevice>\n\n");
+ printf("Eject a cdrom from a guest's cd drive.\n\n");
+ } else if (!strcmp(command, "mem-set")) {
+ printf("Usage: xl mem-set <Domain> <MemKB>\n\n");
+ printf("Set the current memory usage for a domain.\n\n");
+ } else if (!strcmp(command, "button-press")) {
+ printf("Usage: xl button-press <Domain> <Button>\n\n");
+ printf("Indicate <Button> press to a domain.\n");
+ printf("<Button> may be 'power' or 'sleep'.\n\n");
+ } else if (!strcmp(command, "vcpu-list")) {
+ printf("Usage: xl vcpu-list [Domain, ...]\n\n");
+ printf("List the VCPUs for all/some domains.\n\n");
+ } else if (!strcmp(command, "vcpu-pin")) {
+ printf("Usage: xl vcpu-pin <Domain> <VCPU|all> <CPUs|all>\n\n");
+ printf("Set which CPUs a VCPU can use.\n\n");
+ } else if (!strcmp(command, "vcpu-set")) {
+ printf("Usage: xl vcpu-set <Domain> <vCPUs>\n\n");
+ printf("Set the number of active VCPUs for allowed for the
domain.\n\n");
+ } else if (!strcmp(command, "sched-credit")) {
+ printf("Usage: xl sched-credit [-d <Domain>
[-w[=WEIGHT]|-c[=CAP]]]\n\n");
+ printf("Get/set credit scheduler parameters.\n");
+ printf(" -d DOMAIN, --domain=DOMAIN Domain to modify\n");
+ printf(" -w WEIGHT, --weight=WEIGHT Weight (int)\n");
+ printf(" -c CAP, --cap=CAP Cap (int)\n");
+ }
+}
+
+void set_memory_target(char *p, char *mem)
+{
+ char *endptr;
+ uint32_t memorykb;
+
+ find_domain(p);
+
+ memorykb = strtoul(mem, &endptr, 10);
+ if (*endptr != '\0') {
+ fprintf(stderr, "invalid memory size: %s\n", mem);
+ exit(3);
+ }
+ printf("setting domid %d memory to : %d\n", domid, memorykb);
+ libxl_set_memory_target(&ctx, domid, memorykb);
+}
+
+int main_memset(int argc, char **argv)
+{
+ int opt = 0;
+ char *p = NULL, *mem;
+
+ while ((opt = getopt(argc, argv, "h:")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("mem-set");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("mem-set");
+ exit(2);
+ }
+
+ p = argv[optind];
+ mem = argv[optind + 1];
+
+ set_memory_target(p, mem);
+ exit(0);
+}
+
+void console(char *p, int cons_num)
+{
+ find_domain(p);
+ libxl_console_attach(&ctx, domid, cons_num);
+}
+
+void cd_insert(char *dom, char *virtdev, char *phys)
+{
+ libxl_device_disk disk;
+ char *p;
+
+ find_domain(dom);
+
+ disk.backend_domid = 0;
+ disk.domid = domid;
+ if (phys) {
+ p = strchr(phys, ':');
+ if (!p) {
+ fprintf(stderr, "No type specified, ");
+ disk.physpath = phys;
+ if (!strncmp(phys, "/dev", 4)) {
+ fprintf(stderr, "assuming phy:\n");
+ disk.phystype = PHYSTYPE_PHY;
+ } else {
+ fprintf(stderr, "assuming file:\n");
+ disk.phystype = PHYSTYPE_FILE;
+ }
+ } else {
+ *p = '\0';
+ p++;
+ disk.physpath = p;
+ libxl_string_to_phystype(&ctx, phys, &disk.phystype);
+ }
+ } else {
+ disk.physpath = NULL;
+ disk.phystype = 0;
+ }
+ disk.virtpath = virtdev;
+ disk.unpluggable = 1;
+ disk.readwrite = 0;
+ disk.is_cdrom = 1;
+
+ libxl_cdrom_insert(&ctx, domid, &disk);
+}
+
+int main_cd_eject(int argc, char **argv)
+{
+ int opt = 0;
+ char *p = NULL, *virtdev;
+
+ while ((opt = getopt(argc, argv, "hn:")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("cd-eject");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("cd-eject");
+ exit(2);
+ }
+
+ p = argv[optind];
+ virtdev = argv[optind + 1];
+
+ cd_insert(p, virtdev, NULL);
+ exit(0);
+}
+
+int main_cd_insert(int argc, char **argv)
+{
+ int opt = 0;
+ char *p = NULL, *file = NULL, *virtdev;
+
+ while ((opt = getopt(argc, argv, "hn:")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("cd-insert");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 2) {
+ help("cd-insert");
+ exit(2);
+ }
+
+ p = argv[optind];
+ virtdev = argv[optind + 1];
+ file = argv[optind + 2];
+
+ cd_insert(p, virtdev, file);
+ exit(0);
+}
+
+int main_console(int argc, char **argv)
+{
+ int opt = 0, cons_num = 0;
+ char *p = NULL;
+
+ while ((opt = getopt(argc, argv, "hn:")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("console");
+ exit(0);
+ case 'n':
+ if (optarg) {
+ cons_num = strtol(optarg, NULL, 10);
+ }
+ break;
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("console");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ console(p, cons_num);
+ exit(0);
+}
+
+void pcilist(char *dom)
+{
+ libxl_device_pci *pcidevs;
+ int num, i;
+
+ find_domain(dom);
+
+ pcidevs = libxl_device_pci_list(&ctx, domid, &num);
+ if (!num)
+ return;
+ printf("VFn domain bus slot func\n");
+ for (i = 0; i < num; i++) {
+ printf("0x%02x 0x%04x 0x%02x 0x%02x 0x%01x\n", pcidevs[i].vdevfn,
pcidevs[i].domain, pcidevs[i].bus, pcidevs[i].dev, pcidevs[i].func);
+ }
+ free(pcidevs);
+}
+
+int main_pcilist(int argc, char **argv)
+{
+ int opt;
+ char *domname = NULL;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("pci-list");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("pci-list");
+ exit(2);
+ }
+
+ domname = argv[optind];
+
+ pcilist(domname);
+ exit(0);
+}
+
+void pcidetach(char *dom, char *bdf)
+{
+ libxl_device_pci pcidev;
+ unsigned int domain, bus, dev, func;
+
+ find_domain(dom);
+
+ memset(&pcidev, 0x00, sizeof(pcidev));
+ sscanf(bdf, PCI_BDF, &domain, &bus, &dev, &func);
+ libxl_device_pci_init(&pcidev, domain, bus, dev, func, 0);
+ libxl_device_pci_remove(&ctx, domid, &pcidev);
+}
+
+int main_pcidetach(int argc, char **argv)
+{
+ int opt;
+ char *domname = NULL, *bdf = NULL;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("pci-attach");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("pci-detach");
+ exit(2);
+ }
+
+ domname = argv[optind];
+ bdf = argv[optind + 1];
+
+ pcidetach(domname, bdf);
+ exit(0);
+}
+void pciattach(char *dom, char *bdf, char *vs)
+{
+ libxl_device_pci pcidev;
+ unsigned int domain, bus, dev, func;
+
+ find_domain(dom);
+
+ memset(&pcidev, 0x00, sizeof(pcidev));
+ sscanf(bdf, PCI_BDF, &domain, &bus, &dev, &func);
+ libxl_device_pci_init(&pcidev, domain, bus, dev, func, 0);
+ libxl_device_pci_add(&ctx, domid, &pcidev);
+}
+
+int main_pciattach(int argc, char **argv)
+{
+ int opt;
+ char *domname = NULL, *bdf = NULL, *vs = NULL;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("pci-attach");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("pci-attach");
+ exit(2);
+ }
+
+ domname = argv[optind];
+ bdf = argv[optind + 1];
+
+ if (optind + 1 < argc)
+ vs = argv[optind + 2];
+
+ pciattach(domname, bdf, vs);
+ exit(0);
+}
+
+void pause_domain(char *p)
+{
+ find_domain(p);
+ libxl_domain_pause(&ctx, domid);
+}
+
+void unpause_domain(char *p)
+{
+ find_domain(p);
+ libxl_domain_unpause(&ctx, domid);
+}
+
+void destroy_domain(char *p)
+{
+ int rc;
+ find_domain(p);
+ rc = libxl_domain_destroy(&ctx, domid, 0);
+ if (rc) { fprintf(stderr,"destroy failed (rc=%d)\n.",rc); exit(-1); }
+}
+
+void list_domains(int verbose)
+{
+ struct libxl_dominfo *info;
+ int nb_domain, i;
+
+ info = libxl_list_domain(&ctx, &nb_domain);
+
+ if (!info) {
+ fprintf(stderr, "libxl_domain_infolist failed.\n");
+ exit(1);
+ }
+ printf("Name ID Mem
VCPUs\tState\tTime(s)\n");
+ for (i = 0; i < nb_domain; i++) {
+ printf("%-40s %5d %5lu %5d %c%c%c %8.1f",
+ libxl_domid_to_name(&ctx, info[i].domid),
+ info[i].domid,
+ (unsigned long) (info[i].max_memkb / 1024),
+ info[i].vcpu_online,
+ info[i].running ? 'r' : '-',
+ info[i].paused ? 'p' : '-',
+ info[i].dying ? 'd' : '-',
+ ((float)info[i].cpu_time / 1e9));
+ if (verbose) {
+ char *uuid = libxl_uuid2string(&ctx, info[i].uuid);
+ printf(" %s", uuid);
+ }
+ putchar('\n');
+ }
+ free(info);
+}
+
+void list_vm(void)
+{
+ struct libxl_vminfo *info;
+ int nb_vm, i;
+
+ info = libxl_list_vm(&ctx, &nb_vm);
+
+ if (info < 0) {
+ fprintf(stderr, "libxl_domain_infolist failed.\n");
+ exit(1);
+ }
+ printf("UUID ID name\n");
+ for (i = 0; i < nb_vm; i++) {
+ printf(UUID_FMT " %d %-30s\n",
+ info[i].uuid[0], info[i].uuid[1], info[i].uuid[2], info[i].uuid[3],
+ info[i].uuid[4], info[i].uuid[5], info[i].uuid[6], info[i].uuid[7],
+ info[i].uuid[8], info[i].uuid[9], info[i].uuid[10],
info[i].uuid[11],
+ info[i].uuid[12], info[i].uuid[13], info[i].uuid[14],
info[i].uuid[15],
+ info[i].domid, libxl_domid_to_name(&ctx, info[i].domid));
+ }
+ free(info);
+}
+
+static void save_domain_core_begin(char *domain_spec,
+ const char *override_config_file,
+ uint8_t **config_data_r,
+ int *config_len_r)
+{
+ int rc;
+
+ find_domain(domain_spec);
+
+ /* configuration file in optional data: */
+
+ if (override_config_file) {
+ void *config_v = 0;
+ rc = libxl_read_file_contents(&ctx, override_config_file,
+ &config_v, config_len_r);
+ *config_data_r = config_v;
+ } else {
+ rc = libxl_userdata_retrieve(&ctx, domid, "xl",
+ config_data_r, config_len_r);
+ }
+ if (rc) {
+ fputs("Unable to get config file\n",stderr);
+ exit(2);
+ }
+}
+
+void save_domain_core_writeconfig(int fd, const char *filename,
+ const uint8_t *config_data, int config_len)
+{
+ struct save_file_header hdr;
+ uint8_t *optdata_begin;
+ union { uint32_t u32; char b[4]; } u32buf;
+
+ memset(&hdr, 0, sizeof(hdr));
+ memcpy(hdr.magic, savefileheader_magic, sizeof(hdr.magic));
+ hdr.byteorder = SAVEFILE_BYTEORDER_VALUE;
+
+ optdata_begin= 0;
+
+#define ADD_OPTDATA(ptr, len) ({ \
+ if ((len)) { \
+ hdr.optional_data_len += (len); \
+ optdata_begin = xrealloc(optdata_begin, hdr.optional_data_len); \
+ memcpy(optdata_begin + hdr.optional_data_len - (len), \
+ (ptr), (len)); \
+ } \
+ })
+
+ u32buf.u32 = config_len;
+ ADD_OPTDATA(u32buf.b, 4);
+ ADD_OPTDATA(config_data, config_len);
+
+ /* that's the optional data */
+
+ CHK_ERRNO( libxl_write_exactly(&ctx, fd,
+ &hdr, sizeof(hdr), filename, "header") );
+ CHK_ERRNO( libxl_write_exactly(&ctx, fd,
+ optdata_begin, hdr.optional_data_len, filename, "header") );
+
+ fprintf(stderr, "Saving to %s new xl format (info"
+ " 0x%"PRIx32"/0x%"PRIx32"/%"PRIu32")\n",
+ filename, hdr.mandatory_flags, hdr.optional_flags,
+ hdr.optional_data_len);
+}
+
+int save_domain(char *p, char *filename, int checkpoint,
+ const char *override_config_file)
+{
+ int fd;
+ uint8_t *config_data;
+ int config_len;
+
+ save_domain_core_begin(p, override_config_file, &config_data, &config_len);
+
+ if (!config_len) {
+ fputs(" Savefile will not contain xl domain config\n", stderr);
+ }
+
+ fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644);
+ if (fd < 0) {
+ fprintf(stderr, "Failed to open temp file %s for writing\n", filename);
+ exit(2);
+ }
+
+ save_domain_core_writeconfig(fd, filename, config_data, config_len);
+
+ libxl_domain_suspend(&ctx, NULL, domid, fd);
+ close(fd);
+
+ if (checkpoint)
+ libxl_domain_unpause(&ctx, domid);
+ else
+ libxl_domain_destroy(&ctx, domid, 0);
+
+ exit(0);
+}
+
+static int migrate_read_fixedmessage(int fd, const void *msg, int msgsz,
+ const char *what, const char *rune) {
+ char buf[msgsz];
+ const char *stream;
+ int rc;
+
+ stream = rune ? "migration receiver stream" : "migration stream";
+ rc = libxl_read_exactly(&ctx, fd, buf, msgsz, stream, what);
+ if (rc) return ERROR_FAIL;
+
+ if (memcmp(buf, msg, msgsz)) {
+ fprintf(stderr, "%s contained unexpected data instead of %s\n",
+ stream, what);
+ if (rune)
+ fprintf(stderr, "(command run was: %s )\n", rune);
+ return ERROR_FAIL;
+ }
+ return 0;
+}
+
+static void migration_child_report(pid_t migration_child, int recv_fd) {
+ pid_t child;
+ int status, sr;
+ struct timeval now, waituntil, timeout;
+ static const struct timeval pollinterval = { 0, 1000 }; /* 1ms */
+
+ if (!migration_child) return;
+
+ CHK_ERRNO( gettimeofday(&waituntil, 0) );
+ waituntil.tv_sec += 2;
+
+ for (;;) {
+ child = waitpid(migration_child, &status, WNOHANG);
+
+ if (child == migration_child) {
+ if (status)
+ libxl_report_child_exitstatus(&ctx, XL_LOG_INFO,
+ "migration target process",
+ migration_child, status);
+ break;
+ }
+ if (child == -1) {
+ if (errno == EINTR) continue;
+ fprintf(stderr, "wait for migration child [%ld] failed: %s\n",
+ (long)migration_child, strerror(errno));
+ break;
+ }
+ assert(child == 0);
+
+ CHK_ERRNO( gettimeofday(&now, 0) );
+ if (timercmp(&now, &waituntil, >)) {
+ fprintf(stderr, "migration child [%ld] not exiting, no longer"
+ " waiting (exit status will be unreported)\n",
+ (long)migration_child);
+ break;
+ }
+ timersub(&waituntil, &now, &timeout);
+
+ if (recv_fd >= 0) {
+ fd_set readfds, exceptfds;
+ FD_ZERO(&readfds);
+ FD_ZERO(&exceptfds);
+ FD_SET(recv_fd, &readfds);
+ FD_SET(recv_fd, &exceptfds);
+ sr = select(recv_fd+1, &readfds,0,&exceptfds, &timeout);
+ } else {
+ if (timercmp(&timeout, &pollinterval, >))
+ timeout = pollinterval;
+ sr = select(0,0,0,0, &timeout);
+ }
+ if (sr > 0) {
+ recv_fd = -1;
+ } else if (sr == 0) {
+ } else if (sr == -1) {
+ if (errno != EINTR) {
+ fprintf(stderr, "migration child [%ld] exit wait select"
+ " failed unexpectedly: %s\n",
+ (long)migration_child, strerror(errno));
+ break;
+ }
+ }
+ }
+ migration_child = 0;
+}
+
+static void migrate_domain(char *domain_spec, const char *rune,
+ const char *override_config_file)
+{
+ pid_t child = -1;
+ int rc;
+ int sendpipe[2], recvpipe[2];
+ int send_fd, recv_fd;
+ libxl_domain_suspend_info suspinfo;
+ char *away_domname;
+ char rc_buf;
+ uint8_t *config_data;
+ int config_len;
+
+ save_domain_core_begin(domain_spec, override_config_file,
+ &config_data, &config_len);
+
+ if (!common_domname) {
+ common_domname = libxl_domid_to_name(&ctx, domid);
+ /* libxl_domid_to_name fails ? don't bother with names then */
+ }
+
+ if (!config_len) {
+ fprintf(stderr, "No config file stored for running domain and "
+ "none supplied - cannot migrate.\n");
+ exit(1);
+ }
+
+ MUST( libxl_pipe(&ctx, sendpipe) );
+ MUST( libxl_pipe(&ctx, recvpipe) );
+
+ child = libxl_fork(&ctx);
+ if (child==-1) exit(1);
+
+ if (!child) {
+ dup2(sendpipe[0], 0);
+ dup2(recvpipe[1], 1);
+ close(sendpipe[0]); close(sendpipe[1]);
+ close(recvpipe[0]); close(recvpipe[1]);
+ execlp("sh","sh","-c",rune,(char*)0);
+ perror("failed to exec sh");
+ exit(-1);
+ }
+
+ close(sendpipe[0]);
+ close(recvpipe[1]);
+ send_fd = sendpipe[1];
+ recv_fd = recvpipe[0];
+
+ signal(SIGPIPE, SIG_IGN);
+ /* if receiver dies, we get an error and can clean up
+ rather than just dying */
+
+ rc = migrate_read_fixedmessage(recv_fd, migrate_receiver_banner,
+ sizeof(migrate_receiver_banner)-1,
+ "banner", rune);
+ if (rc) {
+ close(send_fd);
+ migration_child_report(child, recv_fd);
+ exit(-rc);
+ }
+
+ save_domain_core_writeconfig(send_fd, "migration stream",
+ config_data, config_len);
+
+ memset(&suspinfo, 0, sizeof(suspinfo));
+ suspinfo.flags |= XL_SUSPEND_LIVE;
+ rc = libxl_domain_suspend(&ctx, &suspinfo, domid, send_fd);
+ if (rc) {
+ fprintf(stderr, "migration sender: libxl_domain_suspend failed"
+ " (rc=%d)\n", rc);
+ goto failed_resume;
+ }
+
+ fprintf(stderr, "migration sender: Transfer complete.\n");
+
+ rc = migrate_read_fixedmessage(recv_fd, migrate_receiver_ready,
+ sizeof(migrate_receiver_ready),
+ "ready message", rune);
+ if (rc) goto failed_resume;
+
+ /* right, at this point we are about give the destination
+ * permission to rename and resume, so we must first rename the
+ * domain away ourselves */
+
+ fprintf(stderr, "migration sender: Target has acknowledged transfer.\n");
+
+ if (common_domname) {
+ asprintf(&away_domname, "%s--migratedaway", common_domname);
+ rc = libxl_domain_rename(&ctx, domid,
+ common_domname, away_domname, 0);
+ if (rc) goto failed_resume;
+ }
+
+ /* point of no return - as soon as we have tried to say
+ * "go" to the receiver, it's not safe to carry on. We leave
+ * the domain renamed to %s--migratedaway in case that's helpful.
+ */
+
+ fprintf(stderr, "migration sender: Giving target permission to start.\n");
+
+ rc = libxl_write_exactly(&ctx, send_fd,
+ migrate_permission_to_go,
+ sizeof(migrate_permission_to_go),
+ "migration stream", "GO message");
+ if (rc) goto failed_badly;
+
+ rc = migrate_read_fixedmessage(recv_fd, migrate_report,
+ sizeof(migrate_report),
+ "success/failure report message", rune);
+ if (rc) goto failed_badly;
+
+ rc = libxl_read_exactly(&ctx, recv_fd,
+ &rc_buf, 1,
+ "migration ack stream", "success/failure status");
+ if (rc) goto failed_badly;
+
+ if (rc_buf) {
+ fprintf(stderr, "migration sender: Target reports startup failure"
+ " (status code %d).\n", rc_buf);
+
+ rc = migrate_read_fixedmessage(recv_fd, migrate_permission_to_go,
+ sizeof(migrate_permission_to_go),
+ "permission for sender to resume",
+ rune);
+ if (rc) goto failed_badly;
+
+ fprintf(stderr, "migration sender: Trying to resume at our end.\n");
+
+ if (common_domname) {
+ libxl_domain_rename(&ctx, domid,
+ away_domname, common_domname, 0);
+ }
+ rc = libxl_domain_resume(&ctx, domid);
+ if (!rc) fprintf(stderr, "migration sender: Resumed OK.\n");
+
+ fprintf(stderr, "Migration failed due to problems at target.\n");
+ exit(-ERROR_FAIL);
+ }
+
+ fprintf(stderr, "migration sender: Target reports successful startup.\n");
+ libxl_domain_destroy(&ctx, domid, 1); /* bang! */
+ fprintf(stderr, "Migration successful.\n");
+ exit(0);
+
+ failed_resume:
+ close(send_fd);
+ migration_child_report(child, recv_fd);
+ fprintf(stderr, "Migration failed, resuming at sender.\n");
+ libxl_domain_resume(&ctx, domid);
+ exit(-ERROR_FAIL);
+
+ failed_badly:
+ fprintf(stderr,
+ "** Migration failed during final handshake **\n"
+ "Domain state is now undefined !\n"
+ "Please CHECK AT BOTH ENDS for running instances, before renaming and\n"
+ " resuming at most one instance. Two simultaneous instances of the domain\n"
+ " would probably result in SEVERE DATA LOSS and it is now your\n"
+ " responsibility to avoid that. Sorry.\n");
+
+ close(send_fd);
+ migration_child_report(child, recv_fd);
+ exit(-ERROR_BADFAIL);
+}
+
+static void migrate_receive(int debug, int daemonize)
+{
+ int rc, rc2;
+ char rc_buf;
+ char *migration_domname;
+
+ signal(SIGPIPE, SIG_IGN);
+ /* if we get SIGPIPE we'd rather just have it as an error */
+
+ fprintf(stderr, "migration target: Ready to receive domain.\n");
+
+ CHK_ERRNO( libxl_write_exactly(&ctx, 1,
+ migrate_receiver_banner,
+ sizeof(migrate_receiver_banner)-1,
+ "migration ack stream",
+ "banner") );
+
+ rc = create_domain(debug, daemonize,
+ 0 /* no config file, use incoming */,
+ "incoming migration stream", 1,
+ 0, &migration_domname);
+ if (rc) {
+ fprintf(stderr, "migration target: Domain creation failed"
+ " (code %d).\n", rc);
+ exit(-rc);
+ }
+
+ fprintf(stderr, "migration target: Transfer complete,"
+ " requesting permission to start domain.\n");
+
+ rc = libxl_write_exactly(&ctx, 1,
+ migrate_receiver_ready,
+ sizeof(migrate_receiver_ready),
+ "migration ack stream", "ready message");
+ if (rc) exit(-rc);
+
+ rc = migrate_read_fixedmessage(0, migrate_permission_to_go,
+ sizeof(migrate_permission_to_go),
+ "GO message", 0);
+ if (rc) goto perhaps_destroy_notify_rc;
+
+ fprintf(stderr, "migration target: Got permission, starting domain.\n");
+
+ if (migration_domname) {
+ rc = libxl_domain_rename(&ctx, domid,
+ migration_domname, common_domname, 0);
+ if (rc) goto perhaps_destroy_notify_rc;
+ }
+
+ rc = libxl_domain_unpause(&ctx, domid);
+ if (rc) goto perhaps_destroy_notify_rc;
+
+ fprintf(stderr, "migration target: Domain started successsfully.\n");
+ rc = 0;
+
+ perhaps_destroy_notify_rc:
+ rc2 = libxl_write_exactly(&ctx, 1,
+ migrate_report, sizeof(migrate_report),
+ "migration ack stream",
+ "success/failure report");
+ if (rc2) exit(-ERROR_BADFAIL);
+
+ rc_buf = -rc;
+ assert(!!rc_buf == !!rc);
+ rc2 = libxl_write_exactly(&ctx, 1, &rc_buf, 1,
+ "migration ack stream",
+ "success/failure code");
+ if (rc2) exit(-ERROR_BADFAIL);
+
+ if (rc) {
+ fprintf(stderr, "migration target: Failure, destroying our copy.\n");
+
+ rc2 = libxl_domain_destroy(&ctx, domid, 1);
+ if (rc2) {
+ fprintf(stderr, "migration target: Failed to destroy our copy"
+ " (code %d).\n", rc2);
+ exit(-ERROR_BADFAIL);
+ }
+
+ fprintf(stderr, "migration target: Cleanup OK, granting sender"
+ " permission to resume.\n");
+
+ rc2 = libxl_write_exactly(&ctx, 1,
+ migrate_permission_to_go,
+ sizeof(migrate_permission_to_go),
+ "migration ack stream",
+ "permission to sender to have domain back");
+ if (rc2) exit(-ERROR_BADFAIL);
+ }
+
+ exit(0);
+}
+
+int main_restore(int argc, char **argv)
+{
+ char *checkpoint_file = NULL;
+ char *config_file = NULL;
+ int paused = 0, debug = 0, daemonize = 1;
+ int opt, rc;
+
+ while ((opt = getopt(argc, argv, "hpde")) != -1) {
+ switch (opt) {
+ case 'p':
+ paused = 1;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'e':
+ daemonize = 0;
+ break;
+ case 'h':
+ help("restore");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ if (argc-optind == 1) {
+ checkpoint_file = argv[optind];
+ } else if (argc-optind == 2) {
+ config_file = argv[optind];
+ checkpoint_file = argv[optind + 1];
+ } else {
+ help("restore");
+ exit(2);
+ }
+ rc = create_domain(debug, daemonize, config_file,
+ checkpoint_file, paused, -1, 0);
+ exit(-rc);
+}
+
+int main_migrate_receive(int argc, char **argv)
+{
+ int debug = 0, daemonize = 1;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "hed")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("restore");
+ exit(2);
+ break;
+ case 'e':
+ daemonize = 0;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ if (argc-optind != 0) {
+ help("restore");
+ exit(2);
+ }
+ migrate_receive(debug, daemonize);
+ exit(0);
+}
+
+int main_save(int argc, char **argv)
+{
+ char *filename = NULL, *p = NULL;
+ const char *config_filename;
+ int checkpoint = 0;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "hc")) != -1) {
+ switch (opt) {
+ case 'c':
+ checkpoint = 1;
+ break;
+ case 'h':
+ help("save");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ if (argc-optind < 1 || argc-optind > 3) {
+ help("save");
+ exit(2);
+ }
+
+ p = argv[optind];
+ filename = argv[optind + 1];
+ config_filename = argv[optind + 2];
+ save_domain(p, filename, checkpoint, config_filename);
+ exit(0);
+}
+
+int main_migrate(int argc, char **argv)
+{
+ char *p = NULL;
+ const char *config_filename = NULL;
+ const char *ssh_command = "ssh";
+ char *rune = NULL;
+ char *host;
+ int opt, daemonize = 1, debug = 0;
+
+ while ((opt = getopt(argc, argv, "hC:s:ed")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("migrate");
+ exit(0);
+ case 'C':
+ config_filename = optarg;
+ break;
+ case 's':
+ ssh_command = optarg;
+ break;
+ case 'e':
+ daemonize = 0;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ if (argc-optind < 2 || argc-optind > 2) {
+ help("save");
+ exit(2);
+ }
+
+ p = argv[optind];
+ host = argv[optind + 1];
+
+ if (!ssh_command[0]) {
+ rune= host;
+ } else {
+ asprintf(&rune, "exec %s %s xl migrate-receive%s%s",
+ ssh_command, host,
+ daemonize ? "" : " -e",
+ debug ? " -d" : "");
+ }
+
+ migrate_domain(p, rune, config_filename);
+ exit(0);
+}
+
+int main_pause(int argc, char **argv)
+{
+ int opt;
+ char *p;
+
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("pause");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("pause");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ pause_domain(p);
+ exit(0);
+}
+
+int main_unpause(int argc, char **argv)
+{
+ int opt;
+ char *p;
+
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("unpause");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("unpause");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ unpause_domain(p);
+ exit(0);
+}
+
+int main_destroy(int argc, char **argv)
+{
+ int opt;
+ char *p;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("destroy");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc) {
+ help("destroy");
+ exit(2);
+ }
+
+ p = argv[optind];
+
+ destroy_domain(p);
+ exit(0);
+}
+
+int main_list(int argc, char **argv)
+{
+ int opt, verbose = 0;
+
+ while ((opt = getopt(argc, argv, "hv")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("list");
+ exit(0);
+ case 'v':
+ verbose = 1;
+ break;
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ list_domains(verbose);
+ exit(0);
+}
+
+int main_list_vm(int argc, char **argv)
+{
+ int opt;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("list-vm");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ list_vm();
+ exit(0);
+}
+
+int main_create(int argc, char **argv)
+{
+ char *filename = NULL;
+ int paused = 0, debug = 0, daemonize = 1;
+ int opt, rc;
+
+ while ((opt = getopt(argc, argv, "hdep")) != -1) {
+ switch (opt) {
+ case 'p':
+ paused = 1;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'e':
+ daemonize = 0;
+ break;
+ case 'h':
+ help("create");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+
+ if (optind >= argc) {
+ help("create");
+ exit(2);
+ }
+
+ filename = argv[optind];
+ rc = create_domain(debug, daemonize, filename, NULL, paused,
+ -1, 0);
+ exit(-rc);
+}
+
+void button_press(char *p, char *b)
+{
+ libxl_button button;
+
+ find_domain(p);
+
+ if (!strcmp(b, "power")) {
+ button = POWER_BUTTON;
+ } else if (!strcmp(b, "sleep")) {
+ button = SLEEP_BUTTON;
+ } else {
+ fprintf(stderr, "%s is an invalid button identifier\n", b);
+ exit(2);
+ }
+
+ libxl_button_press(&ctx, domid, button);
+}
+
+int main_button_press(int argc, char **argv)
+{
+ int opt;
+ char *p;
+ char *b;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("button-press");
+ exit(0);
+ default:
+ fprintf(stderr, "option not supported\n");
+ break;
+ }
+ }
+ if (optind >= argc - 1) {
+ help("button-press");
+ exit(2);
+ }
+
+ p = argv[optind];
+ b = argv[optind + 1];
+
+ button_press(p, b);
+ exit(0);
+}
+
+static void print_vcpuinfo(uint32_t tdomid,
+ const struct libxl_vcpuinfo *vcpuinfo,
+ uint32_t nr_cpus)
+{
+ int i, l;
+ uint64_t *cpumap;
+ uint64_t pcpumap;
+
+ /* NAME ID VCPU */
+ printf("%-32s %5u %5u",
+ libxl_domid_to_name(&ctx, tdomid), tdomid, vcpuinfo->vcpuid);
+ if (!vcpuinfo->online) {
+ /* CPU STA */
+ printf("%5c %3c%cp ", '-', '-', '-');
+ } else {
+ /* CPU STA */
+ printf("%5u %3c%c- ", vcpuinfo->cpu,
+ vcpuinfo->running ? 'r' : '-',
+ vcpuinfo->blocked ? 'b' : '-');
+ }
+ /* TIM */
+ printf("%9.1f ", ((float)vcpuinfo->vcpu_time / 1e9));
+ /* CPU AFFINITY */
+ pcpumap = nr_cpus > 64 ? -1 : ((1 << nr_cpus) - 1);
+ for (cpumap = vcpuinfo->cpumap; nr_cpus; ++cpumap) {
+ if (*cpumap < pcpumap) {
+ break;
+ }
+ if (nr_cpus > 64) {
+ pcpumap = -1;
+ nr_cpus -= 64;
+ } else {
+ pcpumap = ((1 << nr_cpus) - 1);
+ nr_cpus = 0;
+ }
+ }
+ if (!nr_cpus) {
+ printf("any cpu\n");
+ } else {
+ for (cpumap = vcpuinfo->cpumap; nr_cpus; ++cpumap) {
+ pcpumap = *cpumap;
+ for (i = 0; !(pcpumap & 1); ++i, pcpumap >>= 1)
+ ;
+ printf("%u", i);
+ for (l = i, pcpumap = (pcpumap >> 1); (pcpumap & 1); ++i, pcpumap
>>= 1)
+ ;
+ if (l < i) {
+ printf("-%u", i);
+ }
+ for (++i; pcpumap; ++i, pcpumap >>= 1) {
+ if (pcpumap & 1) {
+ printf(",%u", i);
+ for (l = i, pcpumap = (pcpumap >> 1); (pcpumap & 1); ++i,
pcpumap >>= 1)
+ ;
+ if (l < i) {
+ printf("-%u", i);
+ }
+ ++i;
+ }
+ }
+ printf("\n");
+ nr_cpus = nr_cpus > 64 ? nr_cpus - 64 : 0;
+ }
+ }
+}
+
+void vcpulist(int argc, char **argv)
+{
+ struct libxl_dominfo *dominfo;
+ struct libxl_vcpuinfo *vcpuinfo;
+ struct libxl_physinfo physinfo;
+ int nb_vcpu, nb_domain, cpusize;
+
+ if (libxl_get_physinfo(&ctx, &physinfo) != 0) {
+ fprintf(stderr, "libxl_physinfo failed.\n");
+ goto vcpulist_out;
+ }
+ printf("%-32s %5s %5s %5s %5s %9s %s\n",
+ "Name", "ID", "VCPU", "CPU", "State", "Time(s)", "CPU Affinity");
+ if (!argc) {
+ if (!(dominfo = libxl_list_domain(&ctx, &nb_domain))) {
+ fprintf(stderr, "libxl_list_domain failed.\n");
+ goto vcpulist_out;
+ }
+ for (; nb_domain > 0; --nb_domain, ++dominfo) {
+ if (!(vcpuinfo = libxl_list_vcpu(&ctx, dominfo->domid, &nb_vcpu,
&cpusize))) {
+ fprintf(stderr, "libxl_list_vcpu failed.\n");
+ goto vcpulist_out;
+ }
+ for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
+ print_vcpuinfo(dominfo->domid, vcpuinfo, physinfo.nr_cpus);
+ }
+ }
+ } else {
+ for (; argc > 0; ++argv, --argc) {
+ if (domain_qualifier_to_domid(*argv, &domid, 0) < 0) {
+ fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
+ }
+ if (!(vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu,
&cpusize))) {
+ fprintf(stderr, "libxl_list_vcpu failed.\n");
+ goto vcpulist_out;
+ }
+ for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
+ print_vcpuinfo(domid, vcpuinfo, physinfo.nr_cpus);
+ }
+ }
+ }
+ vcpulist_out:
+ ;
+}
+
+void main_vcpulist(int argc, char **argv)
+{
+ int opt;
+
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("vcpu-list");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ vcpulist(argc - 1, argv + 1);
+ exit(0);
+}
+
+void vcpupin(char *d, const char *vcpu, char *cpu)
+{
+ struct libxl_vcpuinfo *vcpuinfo;
+ struct libxl_physinfo physinfo;
+ uint64_t *cpumap = NULL;
+
+ uint32_t vcpuid, cpuida, cpuidb;
+ char *endptr, *toka, *tokb;
+ int i, nb_vcpu, cpusize;
+
+ vcpuid = strtoul(vcpu, &endptr, 10);
+ if (vcpu == endptr) {
+ if (strcmp(vcpu, "all")) {
+ fprintf(stderr, "Error: Invalid argument.\n");
+ return;
+ }
+ vcpuid = -1;
+ }
+
+ find_domain(d);
+
+ if (libxl_get_physinfo(&ctx, &physinfo) != 0) {
+ fprintf(stderr, "libxl_get_physinfo failed.\n");
+ goto vcpupin_out1;
+ }
+
+ cpumap = calloc(physinfo.max_cpu_id + 1, sizeof (uint64_t));
+ if (!cpumap) {
+ goto vcpupin_out1;
+ }
+ if (strcmp(cpu, "all")) {
+ for (toka = strtok(cpu, ","), i = 0; toka; toka = strtok(NULL, ","),
++i) {
+ cpuida = strtoul(toka, &endptr, 10);
+ if (toka == endptr) {
+ fprintf(stderr, "Error: Invalid argument.\n");
+ goto vcpupin_out;
+ }
+ if (*endptr == '-') {
+ tokb = endptr + 1;
+ cpuidb = strtoul(tokb, &endptr, 10);
+ if ((tokb == endptr) || (cpuida > cpuidb)) {
+ fprintf(stderr, "Error: Invalid argument.\n");
+ goto vcpupin_out;
+ }
+ while (cpuida <= cpuidb) {
+ cpumap[cpuida / 64] |= (1 << (cpuida % 64));
+ ++cpuida;
+ }
+ } else {
+ cpumap[cpuida / 64] |= (1 << (cpuida % 64));
+ }
+ }
+ }
+ else {
+ memset(cpumap, -1, sizeof (uint64_t) * (physinfo.max_cpu_id + 1));
+ }
+
+ if (vcpuid != -1) {
+ if (libxl_set_vcpuaffinity(&ctx, domid, vcpuid,
+ cpumap, physinfo.max_cpu_id + 1) == -1) {
+ fprintf(stderr, "Could not set affinity for vcpu `%u'.\n", vcpuid);
+ }
+ }
+ else {
+ if (!(vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu, &cpusize))) {
+ fprintf(stderr, "libxl_list_vcpu failed.\n");
+ goto vcpupin_out;
+ }
+ for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
+ if (libxl_set_vcpuaffinity(&ctx, domid, vcpuinfo->vcpuid,
+ cpumap, physinfo.max_cpu_id + 1) == -1)
{
+ fprintf(stderr, "libxl_list_vcpu failed on vcpu `%u'.\n",
vcpuinfo->vcpuid);
+ }
+ }
+ }
+ vcpupin_out1:
+ free(cpumap);
+ vcpupin_out:
+ ;
+}
+
+int main_vcpupin(int argc, char **argv)
+{
+ int opt;
+
+ if (argc != 4) {
+ help("vcpu-pin");
+ exit(0);
+ }
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("vcpu-pin");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ vcpupin(argv[1], argv[2] , argv[3]);
+ exit(0);
+}
+
+void vcpuset(char *d, char* nr_vcpus)
+{
+ char *endptr;
+ unsigned int max_vcpus;
+
+ max_vcpus = strtoul(nr_vcpus, &endptr, 10);
+ if (nr_vcpus == endptr) {
+ fprintf(stderr, "Error: Invalid argument.\n");
+ return;
+ }
+
+ find_domain(d);
+
+ if (libxl_set_vcpucount(&ctx, domid, max_vcpus) == ERROR_INVAL) {
+ fprintf(stderr, "Error: Cannot set vcpus greater than max vcpus on
running domain or lesser than 1.\n");
+ }
+}
+
+int main_vcpuset(int argc, char **argv)
+{
+ int opt;
+
+ if (argc != 3) {
+ help("vcpu-set");
+ exit(0);
+ }
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("vcpu-set");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ vcpuset(argv[1], argv[2]);
+ exit(0);
+}
+
+static void output_xeninfo(void)
+{
+ const libxl_version_info *info;
+ int sched_id;
+
+ info = libxl_get_version_info(&ctx);
+ if ((sched_id = libxl_get_sched_id(&ctx)) < 0) {
+ fprintf(stderr, "get_sched_id sysctl failed.\n");
+ return;
+ }
+
+ printf("xen_major : %d\n", info->xen_version_major);
+ printf("xen_minor : %d\n", info->xen_version_minor);
+ printf("xen_extra : %s\n", info->xen_version_extra);
+ printf("xen_caps : %s\n", info->capabilities);
+ printf("xen_scheduler : %s\n",
+ sched_id == XEN_SCHEDULER_SEDF ? "sedf" :
+ sched_id == XEN_SCHEDULER_CREDIT ? "credit" :
+ sched_id == XEN_SCHEDULER_CREDIT2 ? "credit2" : "unknown");
+ printf("xen_pagesize : %lu\n", info->pagesize);
+ printf("platform_params : virt_start=0x%lx\n", info->virt_start);
+ printf("xen_changeset : %s\n", info->changeset);
+ printf("xen_commandline : %s\n", info->commandline);
+ printf("cc_compiler : %s\n", info->compiler);
+ printf("cc_compile_by : %s\n", info->compile_by);
+ printf("cc_compile_domain : %s\n", info->compile_domain);
+ printf("cc_compile_date : %s\n", info->compile_date);
+
+ return;
+}
+
+static void output_nodeinfo(void)
+{
+ struct utsname utsbuf;
+
+ uname(&utsbuf);
+
+ printf("host : %s\n", utsbuf.nodename);
+ printf("release : %s\n", utsbuf.release);
+ printf("version : %s\n", utsbuf.version);
+ printf("machine : %s\n", utsbuf.machine);
+
+ return;
+}
+
+static void output_physinfo(void)
+{
+ struct libxl_physinfo info;
+ const libxl_version_info *vinfo;
+ unsigned int i;
+
+ if (libxl_get_physinfo(&ctx, &info) != 0) {
+ fprintf(stderr, "libxl_physinfo failed.\n");
+ return;
+ }
+
+ printf("nr_cpus : %d\n", info.nr_cpus);
+ printf("nr_nodes : %d\n", info.nr_nodes);
+ printf("cores_per_socket : %d\n", info.cores_per_socket);
+ printf("threads_per_core : %d\n", info.threads_per_core);
+ printf("cpu_mhz : %d\n", info.cpu_khz / 1000);
+ printf("hw_caps : ");
+ for (i = 0; i < 8; i++)
+ printf("%08x%c", info.hw_cap[i], i < 7 ? ':' : '\n');
+ printf("virt_caps :");
+ if (info.phys_cap & XEN_SYSCTL_PHYSCAP_hvm)
+ printf(" hvm");
+ if (info.phys_cap & XEN_SYSCTL_PHYSCAP_hvm_directio)
+ printf(" hvm_directio");
+ printf("\n");
+ vinfo = libxl_get_version_info(&ctx);
+ i = (1 << 20) / vinfo->pagesize;
+ printf("total_memory : %lu\n", info.total_pages / i);
+ printf("free_memory : %lu\n", info.free_pages / i);
+
+ return;
+}
+
+static void info(int verbose)
+{
+ output_nodeinfo();
+
+ output_physinfo();
+
+ output_xeninfo();
+
+ printf("xend_config_format : 4\n");
+
+ return;
+}
+
+void main_info(int argc, char **argv)
+{
+ int opt, verbose;
+
+ verbose = 0;
+ while ((opt = getopt(argc, argv, "h")) != -1) {
+ switch (opt) {
+ case 'h':
+ help("vcpu-list");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ info(verbose);
+ exit(0);
+}
+
+static int sched_credit_domain_get(
+ int domid, struct libxl_sched_credit *scinfo)
+{
+ int rc;
+
+ rc = libxl_sched_credit_domain_get(&ctx, domid, scinfo);
+ if (rc)
+ fprintf(stderr, "libxl_sched_credit_domain_get failed.\n");
+
+ return rc;
+}
+
+static int sched_credit_domain_set(
+ int domid, struct libxl_sched_credit *scinfo)
+{
+ int rc;
+
+ rc = libxl_sched_credit_domain_set(&ctx, domid, scinfo);
+ if (rc)
+ fprintf(stderr, "libxl_sched_credit_domain_set failed.\n");
+
+ return rc;
+}
+
+static void sched_credit_domain_output(
+ int domid, struct libxl_sched_credit *scinfo)
+{
+ printf("%-33s %4d %6d %4d\n",
+ libxl_domid_to_name(&ctx, domid),
+ domid,
+ scinfo->weight,
+ scinfo->cap);
+}
+
+void main_sched_credit(int argc, char **argv)
+{
+ struct libxl_dominfo *info;
+ struct libxl_sched_credit scinfo;
+ int nb_domain, i;
+ char *dom = NULL;
+ int weight = 256, cap = 0, opt_w = 0, opt_c = 0;
+ int opt, rc;
+
+ while ((opt = getopt(argc, argv, "hd:w:c:")) != -1) {
+ switch (opt) {
+ case 'd':
+ dom = optarg;
+ break;
+ case 'w':
+ weight = strtol(optarg, NULL, 10);
+ opt_w = 1;
+ break;
+ case 'c':
+ cap = strtol(optarg, NULL, 10);
+ opt_c = 1;
+ break;
+ case 'h':
+ help("sched-credit");
+ exit(0);
+ default:
+ fprintf(stderr, "option `%c' not supported.\n", opt);
+ break;
+ }
+ }
+
+ if (!dom && (opt_w || opt_c)) {
+ fprintf(stderr, "Must specify a domain.\n");
+ exit(1);
+ }
+
+ if (!dom) { /* list all domain's credit scheduler info */
+ info = libxl_list_domain(&ctx, &nb_domain);
+ if (!info) {
+ fprintf(stderr, "libxl_domain_infolist failed.\n");
+ exit(1);
+ }
+
+ printf("%-33s %4s %6s %4s\n", "Name", "ID", "Weight", "Cap");
+ for (i = 0; i < nb_domain; i++) {
+ rc = sched_credit_domain_get(info[i].domid, &scinfo);
+ if (rc)
+ exit(-rc);
+ sched_credit_domain_output(info[i].domid, &scinfo);
+ }
+ } else {
+ find_domain(dom);
+
+ rc = sched_credit_domain_get(domid, &scinfo);
+ if (rc)
+ exit(-rc);
+
+ if (!opt_w && !opt_c) { /* output credit scheduler info */
+ printf("%-33s %4s %6s %4s\n", "Name", "ID", "Weight", "Cap");
+ sched_credit_domain_output(domid, &scinfo);
+ } else { /* set credit scheduler paramaters */
+ if (opt_w)
+ scinfo.weight = weight;
+ if (opt_c)
+ scinfo.cap = cap;
+ rc = sched_credit_domain_set(domid, &scinfo);
+ if (rc)
+ exit(-rc);
+ }
+ }
+
+ exit(0);
+}
diff -r 3e5383b537c5 -r 742311878ae5 tools/libxl/xl_cmdimpl.h
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/xl_cmdimpl.h Tue May 04 11:23:17 2010 +0100
@@ -0,0 +1,39 @@
+/*
+ * Author Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only. with the special
+ * exception on linking described in file LICENSE.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ */
+
+int main_vcpulist(int argc, char **argv);
+int main_info(int argc, char **argv);
+int main_cd_eject(int argc, char **argv);
+int main_cd_insert(int argc, char **argv);
+int main_console(int argc, char **argv);
+int main_pcilist(int argc, char **argv);
+int main_pcidetach(int argc, char **argv);
+int main_pciattach(int argc, char **argv);
+int main_restore(int argc, char **argv);
+int main_migrate_receive(int argc, char **argv);
+int main_save(int argc, char **argv);
+int main_migrate(int argc, char **argv);
+int main_pause(int argc, char **argv);
+int main_unpause(int argc, char **argv);
+int main_destroy(int argc, char **argv);
+int main_list(int argc, char **argv);
+int main_list_vm(int argc, char **argv);
+int main_create(int argc, char **argv);
+int main_button_press(int argc, char **argv);
+int main_vcpupin(int argc, char **argv);
+int main_vcpuset(int argc, char **argv);
+int main_memset(int argc, char **argv);
+void main_sched_credit(int argc, char **argv);
+
+void help(char *command);
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