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migration: qemu: add option to select compression methods

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Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
This commit is contained in:
Nikolay Shirokovskiy 2016-04-14 13:33:48 +03:00 committed by Jiri Denemark
parent 43a1f54ef2
commit 231b25db67
6 changed files with 242 additions and 39 deletions
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10
include/libvirt/libvirt-domain.h
View File

@ -787,6 +787,16 @@ typedef enum {
*/
# define VIR_MIGRATE_PARAM_DISKS_PORT "disks_port"
/**
* VIR_MIGRATE_PARAM_COMPRESSION:
*
* virDomainMigrate* params multiple field: name of the method used to
* compress migration traffic. Supported compression methods: xbzrle, mt.
* The parameter may be specified multiple times if more than one method
* should be used.
*/
# define VIR_MIGRATE_PARAM_COMPRESSION "compression"
/* Domain migration. */
virDomainPtr virDomainMigrate (virDomainPtr domain, virConnectPtr dconn,
unsigned long flags, const char *dname,

62
src/qemu/qemu_driver.c
View File

@ -12087,6 +12087,7 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
virQEMUDriverPtr driver = dconn->privateData;
virDomainDefPtr def = NULL;
char *origname = NULL;
qemuMigrationCompressionPtr compression = NULL;
int ret = -1;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -12101,6 +12102,9 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
goto cleanup;
}
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
goto cleanup;
if (virLockManagerPluginUsesState(driver->lockManager)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Cannot use migrate v2 protocol with lock manager %s"),
@ -12121,9 +12125,11 @@ qemuDomainMigratePrepare2(virConnectPtr dconn,
ret = qemuMigrationPrepareDirect(driver, dconn,
NULL, 0, NULL, NULL, /* No cookies */
uri_in, uri_out,
&def, origname, NULL, 0, NULL, 0, flags);
&def, origname, NULL, 0, NULL, 0,
compression, flags);
cleanup:
VIR_FREE(compression);
VIR_FREE(origname);
virDomainDefFree(def);
return ret;
@ -12144,6 +12150,7 @@ qemuDomainMigratePerform(virDomainPtr dom,
virDomainObjPtr vm;
int ret = -1;
const char *dconnuri = NULL;
qemuMigrationCompressionPtr compression = NULL;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -12154,6 +12161,9 @@ qemuDomainMigratePerform(virDomainPtr dom,
goto cleanup;
}
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
goto cleanup;
if (!(vm = qemuDomObjFromDomain(dom)))
goto cleanup;
@ -12175,11 +12185,12 @@ qemuDomainMigratePerform(virDomainPtr dom,
*/
ret = qemuMigrationPerform(driver, dom->conn, vm,
NULL, dconnuri, uri, NULL, NULL, 0, NULL, 0,
cookie, cookielen,
compression, cookie, cookielen,
NULL, NULL, /* No output cookies in v2 */
flags, dname, resource, false);
cleanup:
VIR_FREE(compression);
return ret;
}
@ -12323,6 +12334,7 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
virQEMUDriverPtr driver = dconn->privateData;
virDomainDefPtr def = NULL;
char *origname = NULL;
qemuMigrationCompressionPtr compression = NULL;
int ret = -1;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -12337,6 +12349,9 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
goto cleanup;
}
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
goto cleanup;
if (!(def = qemuMigrationPrepareDef(driver, dom_xml, dname, &origname)))
goto cleanup;
@ -12347,9 +12362,11 @@ qemuDomainMigratePrepare3(virConnectPtr dconn,
cookiein, cookieinlen,
cookieout, cookieoutlen,
uri_in, uri_out,
&def, origname, NULL, 0, NULL, 0, flags);
&def, origname, NULL, 0, NULL, 0,
compression, flags);
cleanup:
VIR_FREE(compression);
VIR_FREE(origname);
virDomainDefFree(def);
return ret;
@ -12377,6 +12394,7 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
int nmigrate_disks;
const char **migrate_disks = NULL;
char *origname = NULL;
qemuMigrationCompressionPtr compression = NULL;
int ret = -1;
virCheckFlagsGoto(QEMU_MIGRATION_FLAGS, cleanup);
@ -12407,6 +12425,9 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
if (nmigrate_disks < 0)
goto cleanup;
if (!(compression = qemuMigrationCompressionParse(params, nparams, flags)))
goto cleanup;
if (flags & VIR_MIGRATE_TUNNELLED) {
/* this is a logical error; we never should have gotten here with
* VIR_MIGRATE_TUNNELLED set
@ -12428,10 +12449,11 @@ qemuDomainMigratePrepare3Params(virConnectPtr dconn,
cookieout, cookieoutlen,
uri_in, uri_out,
&def, origname, listenAddress,
nmigrate_disks, migrate_disks,
nbdPort, flags);
nmigrate_disks, migrate_disks, nbdPort,
compression, flags);
cleanup:
VIR_FREE(compression);
VIR_FREE(migrate_disks);
VIR_FREE(origname);
virDomainDefFree(def);
@ -12551,22 +12573,32 @@ qemuDomainMigratePerform3(virDomainPtr dom,
{
virQEMUDriverPtr driver = dom->conn->privateData;
virDomainObjPtr vm;
qemuMigrationCompressionPtr compression = NULL;
int ret = -1;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
if (!(vm = qemuDomObjFromDomain(dom)))
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
return -1;
if (!(vm = qemuDomObjFromDomain(dom)))
goto cleanup;
if (virDomainMigratePerform3EnsureACL(dom->conn, vm->def) < 0) {
virDomainObjEndAPI(&vm);
return -1;
goto cleanup;
}
return qemuMigrationPerform(driver, dom->conn, vm, xmlin,
dconnuri, uri, NULL, NULL, 0, NULL, 0,
cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, true);
ret = qemuMigrationPerform(driver, dom->conn, vm, xmlin,
dconnuri, uri, NULL, NULL, 0, NULL, 0,
compression,
cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, true);
cleanup:
VIR_FREE(compression);
return ret;
}
static int
@ -12591,6 +12623,7 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
const char **migrate_disks = NULL;
unsigned long long bandwidth = 0;
int nbdPort = 0;
qemuMigrationCompressionPtr compression = NULL;
int ret = -1;
virCheckFlags(QEMU_MIGRATION_FLAGS, -1);
@ -12627,6 +12660,9 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
if (nmigrate_disks < 0)
goto cleanup;
if (!(compression = qemuMigrationCompressionParse(params, nparams, flags)))
goto cleanup;
if (!(vm = qemuDomObjFromDomain(dom)))
goto cleanup;
@ -12638,9 +12674,11 @@ qemuDomainMigratePerform3Params(virDomainPtr dom,
ret = qemuMigrationPerform(driver, dom->conn, vm, dom_xml,
dconnuri, uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
compression,
cookiein, cookieinlen, cookieout, cookieoutlen,
flags, dname, bandwidth, true);
cleanup:
VIR_FREE(compression);
VIR_FREE(migrate_disks);
return ret;
}

177
src/qemu/qemu_migration.c
View File

@ -79,6 +79,11 @@ VIR_ENUM_IMPL(qemuMigrationJobPhase, QEMU_MIGRATION_PHASE_LAST,
"finish3",
);
VIR_ENUM_IMPL(qemuMigrationCompressMethod, QEMU_MIGRATION_COMPRESS_LAST,
"xbzrle",
"mt",
);
enum qemuMigrationCookieFlags {
QEMU_MIGRATION_COOKIE_FLAG_GRAPHICS,
QEMU_MIGRATION_COOKIE_FLAG_LOCKSTATE,
@ -3413,6 +3418,29 @@ qemuMigrationPrepareIncoming(virDomainObjPtr vm,
return inc;
}
static int
qemuMigrationSetCompression(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob job,
qemuMigrationCompressionPtr compression)
{
if (qemuMigrationSetOption(driver, vm,
QEMU_MONITOR_MIGRATION_CAPS_XBZRLE,
compression->methods &
(1ULL << QEMU_MIGRATION_COMPRESS_XBZRLE),
job) < 0)
return -1;
if (qemuMigrationSetOption(driver, vm,
QEMU_MONITOR_MIGRATION_CAPS_COMPRESS,
compression->methods &
(1ULL << QEMU_MIGRATION_COMPRESS_MT),
job) < 0)
return -1;
return 0;
}
static int
qemuMigrationPrepareAny(virQEMUDriverPtr driver,
virConnectPtr dconn,
@ -3430,6 +3458,7 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
unsigned long flags)
{
virDomainObjPtr vm = NULL;
@ -3627,10 +3656,8 @@ qemuMigrationPrepareAny(virQEMUDriverPtr driver,
dataFD[1] = -1; /* 'st' owns the FD now & will close it */
}
if (qemuMigrationSetOption(driver, vm,
QEMU_MONITOR_MIGRATION_CAPS_XBZRLE,
flags & VIR_MIGRATE_COMPRESSED,
QEMU_ASYNC_JOB_MIGRATION_IN) < 0)
if (qemuMigrationSetCompression(driver, vm, QEMU_ASYNC_JOB_MIGRATION_IN,
compression) < 0)
goto stopjob;
if (STREQ_NULLABLE(protocol, "rdma") &&
@ -3768,6 +3795,7 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
const char *origname,
unsigned long flags)
{
qemuMigrationCompressionPtr compression = NULL;
int ret;
VIR_DEBUG("driver=%p, dconn=%p, cookiein=%s, cookieinlen=%d, "
@ -3782,9 +3810,14 @@ qemuMigrationPrepareTunnel(virQEMUDriverPtr driver,
return -1;
}
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
return -1;
ret = qemuMigrationPrepareAny(driver, dconn, cookiein, cookieinlen,
cookieout, cookieoutlen, def, origname,
st, NULL, 0, false, NULL, 0, NULL, 0, flags);
st, NULL, 0, false, NULL, 0, NULL, 0,
compression, flags);
VIR_FREE(compression);
return ret;
}
@ -3827,6 +3860,7 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
unsigned long flags)
{
unsigned short port = 0;
@ -3949,7 +3983,8 @@ qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
cookieout, cookieoutlen, def, origname,
NULL, uri ? uri->scheme : "tcp",
port, autoPort, listenAddress,
nmigrate_disks, migrate_disks, nbdPort, flags);
nmigrate_disks, migrate_disks, nbdPort,
compression, flags);
cleanup:
virURIFree(uri);
VIR_FREE(hostname);
@ -4457,7 +4492,8 @@ qemuMigrationRun(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks)
const char **migrate_disks,
qemuMigrationCompressionPtr compression)
{
int ret = -1;
unsigned int migrate_flags = QEMU_MONITOR_MIGRATE_BACKGROUND;
@ -4541,10 +4577,8 @@ qemuMigrationRun(virQEMUDriverPtr driver,
goto cleanup;
}
if (qemuMigrationSetOption(driver, vm,
QEMU_MONITOR_MIGRATION_CAPS_XBZRLE,
flags & VIR_MIGRATE_COMPRESSED,
QEMU_ASYNC_JOB_MIGRATION_OUT) < 0)
if (qemuMigrationSetCompression(driver, vm, QEMU_ASYNC_JOB_MIGRATION_OUT,
compression) < 0)
goto cleanup;
if (qemuMigrationSetOption(driver, vm,
@ -4785,7 +4819,8 @@ static int doNativeMigrate(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks)
const char **migrate_disks,
qemuMigrationCompressionPtr compression)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
virURIPtr uribits = NULL;
@ -4835,7 +4870,8 @@ static int doNativeMigrate(virQEMUDriverPtr driver,
ret = qemuMigrationRun(driver, vm, cookiein, cookieinlen, cookieout,
cookieoutlen, flags, resource, &spec, dconn,
graphicsuri, nmigrate_disks, migrate_disks);
graphicsuri, nmigrate_disks, migrate_disks,
compression);
if (spec.destType == MIGRATION_DEST_FD)
VIR_FORCE_CLOSE(spec.dest.fd.qemu);
@ -4859,7 +4895,8 @@ static int doTunnelMigrate(virQEMUDriverPtr driver,
virConnectPtr dconn,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks)
const char **migrate_disks,
qemuMigrationCompressionPtr compression)
{
virNetSocketPtr sock = NULL;
int ret = -1;
@ -4896,7 +4933,8 @@ static int doTunnelMigrate(virQEMUDriverPtr driver,
ret = qemuMigrationRun(driver, vm, cookiein, cookieinlen, cookieout,
cookieoutlen, flags, resource, &spec, dconn,
graphicsuri, nmigrate_disks, migrate_disks);
graphicsuri, nmigrate_disks, migrate_disks,
compression);
cleanup:
if (spec.destType == MIGRATION_DEST_FD) {
@ -4934,6 +4972,7 @@ static int doPeer2PeerMigrate2(virQEMUDriverPtr driver,
bool cancelled;
virStreamPtr st = NULL;
unsigned long destflags;
qemuMigrationCompressionPtr compression = NULL;
VIR_DEBUG("driver=%p, sconn=%p, dconn=%p, vm=%p, dconnuri=%s, "
"flags=%lx, dname=%s, resource=%lu",
@ -4955,6 +4994,9 @@ static int doPeer2PeerMigrate2(virQEMUDriverPtr driver,
destflags = flags & ~(VIR_MIGRATE_ABORT_ON_ERROR |
VIR_MIGRATE_AUTO_CONVERGE);
if (!(compression = qemuMigrationCompressionParse(NULL, 0, flags)))
goto cleanup;
VIR_DEBUG("Prepare2 %p", dconn);
if (flags & VIR_MIGRATE_TUNNELLED) {
/*
@ -5007,12 +5049,12 @@ static int doPeer2PeerMigrate2(virQEMUDriverPtr driver,
ret = doTunnelMigrate(driver, vm, st,
NULL, 0, NULL, NULL,
flags, resource, dconn,
NULL, 0, NULL);
NULL, 0, NULL, compression);
else
ret = doNativeMigrate(driver, vm, uri_out,
cookie, cookielen,
NULL, NULL, /* No out cookie with v2 migration */
flags, resource, dconn, NULL, 0, NULL);
flags, resource, dconn, NULL, 0, NULL, compression);
/* Perform failed. Make sure Finish doesn't overwrite the error */
if (ret < 0)
@ -5054,6 +5096,7 @@ static int doPeer2PeerMigrate2(virQEMUDriverPtr driver,
}
VIR_FREE(uri_out);
VIR_FREE(cookie);
VIR_FREE(compression);
return ret;
}
@ -5077,6 +5120,7 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
unsigned long long bandwidth,
bool useParams,
unsigned long flags)
@ -5159,6 +5203,10 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
VIR_MIGRATE_PARAM_DISKS_PORT,
nbdPort) < 0)
goto cleanup;
if (qemuMigrationCompressionDump(compression, &params, &nparams,
&maxparams, &flags) < 0)
goto cleanup;
}
if (virDomainObjGetState(vm, NULL) == VIR_DOMAIN_PAUSED)
@ -5244,13 +5292,13 @@ doPeer2PeerMigrate3(virQEMUDriverPtr driver,
cookiein, cookieinlen,
&cookieout, &cookieoutlen,
flags, bandwidth, dconn, graphicsuri,
nmigrate_disks, migrate_disks);
nmigrate_disks, migrate_disks, compression);
} else {
ret = doNativeMigrate(driver, vm, uri,
cookiein, cookieinlen,
&cookieout, &cookieoutlen,
flags, bandwidth, dconn, graphicsuri,
nmigrate_disks, migrate_disks);
nmigrate_disks, migrate_disks, compression);
}
/* Perform failed. Make sure Finish doesn't overwrite the error */
@ -5426,6 +5474,7 @@ static int doPeer2PeerMigrate(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
unsigned long flags,
const char *dname,
unsigned long resource,
@ -5549,7 +5598,7 @@ static int doPeer2PeerMigrate(virQEMUDriverPtr driver,
ret = doPeer2PeerMigrate3(driver, sconn, dconn, dconnuri, vm, xmlin,
dname, uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
resource, useParams, flags);
compression, resource, useParams, flags);
} else {
ret = doPeer2PeerMigrate2(driver, sconn, dconn, vm,
dconnuri, flags, dname, resource);
@ -5587,6 +5636,7 @@ qemuMigrationPerformJob(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -5623,12 +5673,13 @@ qemuMigrationPerformJob(virQEMUDriverPtr driver,
ret = doPeer2PeerMigrate(driver, conn, vm, xmlin,
dconnuri, uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
flags, dname, resource, &v3proto);
compression, flags, dname, resource, &v3proto);
} else {
qemuMigrationJobSetPhase(driver, vm, QEMU_MIGRATION_PHASE_PERFORM2);
ret = doNativeMigrate(driver, vm, uri, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource, NULL, NULL, 0, NULL);
flags, resource, NULL, NULL, 0, NULL,
compression);
}
if (ret < 0)
goto endjob;
@ -5689,6 +5740,7 @@ qemuMigrationPerformPhase(virQEMUDriverPtr driver,
const char *graphicsuri,
size_t nmigrate_disks,
const char **migrate_disks,
qemuMigrationCompressionPtr compression,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -5714,7 +5766,7 @@ qemuMigrationPerformPhase(virQEMUDriverPtr driver,
ret = doNativeMigrate(driver, vm, uri, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource, NULL, graphicsuri,
nmigrate_disks, migrate_disks);
nmigrate_disks, migrate_disks, compression);
if (ret < 0) {
if (qemuMigrationRestoreDomainState(conn, vm)) {
@ -5757,6 +5809,7 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
const char *cookiein,
int cookieinlen,
char **cookieout,
@ -5787,7 +5840,7 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
return qemuMigrationPerformJob(driver, conn, vm, xmlin, dconnuri, uri,
graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
cookiein, cookieinlen,
compression, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, dname, resource, v3proto);
} else {
@ -5801,14 +5854,14 @@ qemuMigrationPerform(virQEMUDriverPtr driver,
return qemuMigrationPerformPhase(driver, conn, vm, uri,
graphicsuri,
nmigrate_disks, migrate_disks,
cookiein, cookieinlen,
compression, cookiein, cookieinlen,
cookieout, cookieoutlen,
flags, resource);
} else {
return qemuMigrationPerformJob(driver, conn, vm, xmlin, NULL,
uri, graphicsuri, listenAddress,
nmigrate_disks, migrate_disks, nbdPort,
cookiein, cookieinlen,
compression, cookiein, cookieinlen,
cookieout, cookieoutlen, flags,
dname, resource, v3proto);
}
@ -6558,3 +6611,75 @@ qemuMigrationErrorReport(virQEMUDriverPtr driver,
virSetError(err);
virFreeError(err);
}
/* don't ever pass NULL params with non zero nparams */
qemuMigrationCompressionPtr
qemuMigrationCompressionParse(virTypedParameterPtr params,
int nparams,
unsigned long flags)
{
size_t i;
qemuMigrationCompressionPtr compression = NULL;
if (VIR_ALLOC(compression) < 0)
return NULL;
for (i = 0; i < nparams; i++) {
int method;
if (STRNEQ(params[i].field, VIR_MIGRATE_PARAM_COMPRESSION))
continue;
method = qemuMigrationCompressMethodTypeFromString(params[i].value.s);
if (method < 0) {
virReportError(VIR_ERR_INVALID_ARG,
_("Unsupported compression method '%s'"),
params[i].value.s);
goto error;
}
if (compression->methods & (1ULL << method)) {
virReportError(VIR_ERR_INVALID_ARG,
_("Compression method '%s' is specified twice"),
params[i].value.s);
goto error;
}
compression->methods |= 1ULL << method;
}
if (!compression->methods && (flags & VIR_MIGRATE_COMPRESSED))
compression->methods = 1ULL << QEMU_MIGRATION_COMPRESS_XBZRLE;
return compression;
error:
VIR_FREE(compression);
return NULL;
}
int
qemuMigrationCompressionDump(qemuMigrationCompressionPtr compression,
virTypedParameterPtr *params,
int *nparams,
int *maxparams,
unsigned long *flags)
{
size_t i;
if (compression->methods == 1ULL << QEMU_MIGRATION_COMPRESS_XBZRLE) {
*flags |= VIR_MIGRATE_COMPRESSED;
return 0;
}
for (i = 0; i < QEMU_MIGRATION_COMPRESS_LAST; ++i) {
if ((compression->methods & (1ULL << i)) &&
virTypedParamsAddString(params, nparams, maxparams,
VIR_MIGRATE_PARAM_COMPRESSION,
qemuMigrationCompressMethodTypeToString(i)) < 0)
return -1;
}
return 0;
}

29
src/qemu/qemu_migration.h
View File

@ -25,6 +25,9 @@
# include "qemu_conf.h"
# include "qemu_domain.h"
typedef struct _qemuMigrationCompression qemuMigrationCompression;
typedef qemuMigrationCompression *qemuMigrationCompressionPtr;
/* All supported qemu migration flags. */
# define QEMU_MIGRATION_FLAGS \
(VIR_MIGRATE_LIVE | \
@ -55,6 +58,8 @@
VIR_MIGRATE_PARAM_MIGRATE_DISKS, VIR_TYPED_PARAM_STRING | \
VIR_TYPED_PARAM_MULTIPLE, \
VIR_MIGRATE_PARAM_DISKS_PORT, VIR_TYPED_PARAM_INT, \
VIR_MIGRATE_PARAM_COMPRESSION, VIR_TYPED_PARAM_STRING | \
VIR_TYPED_PARAM_MULTIPLE, \
NULL
@ -74,6 +79,28 @@ typedef enum {
} qemuMigrationJobPhase;
VIR_ENUM_DECL(qemuMigrationJobPhase)
typedef enum {
QEMU_MIGRATION_COMPRESS_XBZRLE = 0,
QEMU_MIGRATION_COMPRESS_MT,
QEMU_MIGRATION_COMPRESS_LAST
} qemuMigrationCompressMethod;
VIR_ENUM_DECL(qemuMigrationCompressMethod)
struct _qemuMigrationCompression {
unsigned long long methods;
};
qemuMigrationCompressionPtr
qemuMigrationCompressionParse(virTypedParameterPtr params,
int nparams,
unsigned long flags);
int qemuMigrationCompressionDump(qemuMigrationCompressionPtr compression,
virTypedParameterPtr *params,
int *nparams,
int *maxparams,
unsigned long *flags);
int qemuMigrationJobStart(virQEMUDriverPtr driver,
virDomainObjPtr vm,
qemuDomainAsyncJob job)
@ -137,6 +164,7 @@ int qemuMigrationPrepareDirect(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
unsigned long flags);
int qemuMigrationPerform(virQEMUDriverPtr driver,
@ -150,6 +178,7 @@ int qemuMigrationPerform(virQEMUDriverPtr driver,
size_t nmigrate_disks,
const char **migrate_disks,
int nbdPort,
qemuMigrationCompressionPtr compression,
const char *cookiein,
int cookieinlen,
char **cookieout,

2
src/qemu/qemu_monitor.c
View File

@ -168,7 +168,7 @@ VIR_ENUM_IMPL(qemuMonitorMigrationStatus,
VIR_ENUM_IMPL(qemuMonitorMigrationCaps,
QEMU_MONITOR_MIGRATION_CAPS_LAST,
"xbzrle", "auto-converge", "rdma-pin-all", "events",
"postcopy-ram")
"postcopy-ram", "compress")
VIR_ENUM_IMPL(qemuMonitorVMStatus,
QEMU_MONITOR_VM_STATUS_LAST,

1
src/qemu/qemu_monitor.h
View File

@ -551,6 +551,7 @@ typedef enum {
QEMU_MONITOR_MIGRATION_CAPS_RDMA_PIN_ALL,
QEMU_MONITOR_MIGRATION_CAPS_EVENTS,
QEMU_MONITOR_MIGRATION_CAPS_POSTCOPY,
QEMU_MONITOR_MIGRATION_CAPS_COMPRESS,
QEMU_MONITOR_MIGRATION_CAPS_LAST
} qemuMonitorMigrationCaps;