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qemu_migration_params: Replace qemuMigrationParamTypes array

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We will need to annotate individual parameters a bit more than just
noting their type. Let's introduce qemuMigrationParamInfo replacing
simple qemuMigrationParamTypes with an array of structs.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jiri Denemark 2022-06-29 15:12:20 +02:00
parent 0eae541257
commit 184749691f
1 changed files with 54 additions and 23 deletions
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77
src/qemu/qemu_migration_params.c
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@ -138,6 +138,11 @@ struct _qemuMigrationParamsTPMapItem {
int party; /* bit-wise OR of qemuMigrationParty */
};
typedef struct _qemuMigrationParamInfoItem qemuMigrationParamInfoItem;
struct _qemuMigrationParamInfoItem {
qemuMigrationParamType type;
};
/* Migration capabilities which should always be enabled as long as they
* are supported by QEMU. If the capability is supposed to be enabled on both
* sides of migration, it won't be enabled unless both sides support it.
@ -224,22 +229,48 @@ static const qemuMigrationParamsTPMapItem qemuMigrationParamsTPMap[] = {
.party = QEMU_MIGRATION_SOURCE},
};
static const qemuMigrationParamType qemuMigrationParamTypes[] = {
[QEMU_MIGRATION_PARAM_COMPRESS_LEVEL] = QEMU_MIGRATION_PARAM_TYPE_INT,
[QEMU_MIGRATION_PARAM_COMPRESS_THREADS] = QEMU_MIGRATION_PARAM_TYPE_INT,
[QEMU_MIGRATION_PARAM_DECOMPRESS_THREADS] = QEMU_MIGRATION_PARAM_TYPE_INT,
[QEMU_MIGRATION_PARAM_THROTTLE_INITIAL] = QEMU_MIGRATION_PARAM_TYPE_INT,
[QEMU_MIGRATION_PARAM_THROTTLE_INCREMENT] = QEMU_MIGRATION_PARAM_TYPE_INT,
[QEMU_MIGRATION_PARAM_TLS_CREDS] = QEMU_MIGRATION_PARAM_TYPE_STRING,
[QEMU_MIGRATION_PARAM_TLS_HOSTNAME] = QEMU_MIGRATION_PARAM_TYPE_STRING,
[QEMU_MIGRATION_PARAM_MAX_BANDWIDTH] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_BLOCK_INCREMENTAL] = QEMU_MIGRATION_PARAM_TYPE_BOOL,
[QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH] = QEMU_MIGRATION_PARAM_TYPE_ULL,
[QEMU_MIGRATION_PARAM_MULTIFD_CHANNELS] = QEMU_MIGRATION_PARAM_TYPE_INT,
static const qemuMigrationParamInfoItem qemuMigrationParamInfo[] = {
[QEMU_MIGRATION_PARAM_COMPRESS_LEVEL] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
[QEMU_MIGRATION_PARAM_COMPRESS_THREADS] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
[QEMU_MIGRATION_PARAM_DECOMPRESS_THREADS] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
[QEMU_MIGRATION_PARAM_THROTTLE_INITIAL] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
[QEMU_MIGRATION_PARAM_THROTTLE_INCREMENT] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
[QEMU_MIGRATION_PARAM_TLS_CREDS] = {
.type = QEMU_MIGRATION_PARAM_TYPE_STRING,
},
[QEMU_MIGRATION_PARAM_TLS_HOSTNAME] = {
.type = QEMU_MIGRATION_PARAM_TYPE_STRING,
},
[QEMU_MIGRATION_PARAM_MAX_BANDWIDTH] = {
.type = QEMU_MIGRATION_PARAM_TYPE_ULL,
},
[QEMU_MIGRATION_PARAM_DOWNTIME_LIMIT] = {
.type = QEMU_MIGRATION_PARAM_TYPE_ULL,
},
[QEMU_MIGRATION_PARAM_BLOCK_INCREMENTAL] = {
.type = QEMU_MIGRATION_PARAM_TYPE_BOOL,
},
[QEMU_MIGRATION_PARAM_XBZRLE_CACHE_SIZE] = {
.type = QEMU_MIGRATION_PARAM_TYPE_ULL,
},
[QEMU_MIGRATION_PARAM_MAX_POSTCOPY_BANDWIDTH] = {
.type = QEMU_MIGRATION_PARAM_TYPE_ULL,
},
[QEMU_MIGRATION_PARAM_MULTIFD_CHANNELS] = {
.type = QEMU_MIGRATION_PARAM_TYPE_INT,
},
};
G_STATIC_ASSERT(G_N_ELEMENTS(qemuMigrationParamTypes) == QEMU_MIGRATION_PARAM_LAST);
G_STATIC_ASSERT(G_N_ELEMENTS(qemuMigrationParamInfo) == QEMU_MIGRATION_PARAM_LAST);
virBitmap *
@ -281,7 +312,7 @@ qemuMigrationParamsFree(qemuMigrationParams *migParams)
return;
for (i = 0; i < QEMU_MIGRATION_PARAM_LAST; i++) {
if (qemuMigrationParamTypes[i] == QEMU_MIGRATION_PARAM_TYPE_STRING)
if (qemuMigrationParamInfo[i].type == QEMU_MIGRATION_PARAM_TYPE_STRING)
g_free(migParams->params[i].value.s);
}
@ -295,7 +326,7 @@ static int
qemuMigrationParamsCheckType(qemuMigrationParam param,
qemuMigrationParamType type)
{
if (qemuMigrationParamTypes[param] != type) {
if (qemuMigrationParamInfo[param].type != type) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Type mismatch for '%s' migration parameter"),
qemuMigrationParamTypeToString(param));
@ -595,7 +626,7 @@ qemuMigrationParamsFromFlags(virTypedParameterPtr params,
VIR_DEBUG("Setting migration parameter '%s' from '%s'",
qemuMigrationParamTypeToString(item->param), item->typedParam);
switch (qemuMigrationParamTypes[item->param]) {
switch (qemuMigrationParamInfo[item->param].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
if (qemuMigrationParamsGetTPInt(migParams, item->param, params,
nparams, item->typedParam,
@ -671,7 +702,7 @@ qemuMigrationParamsDump(qemuMigrationParams *migParams,
if (!(item->party & QEMU_MIGRATION_DESTINATION))
continue;
switch (qemuMigrationParamTypes[item->param]) {
switch (qemuMigrationParamInfo[item->param].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
if (qemuMigrationParamsSetTPInt(migParams, item->param,
params, nparams, maxparams,
@ -721,7 +752,7 @@ qemuMigrationParamsFromJSON(virJSONValue *params)
name = qemuMigrationParamTypeToString(i);
pv = &migParams->params[i];
switch (qemuMigrationParamTypes[i]) {
switch (qemuMigrationParamInfo[i].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
if (virJSONValueObjectGetNumberInt(params, name, &pv->value.i) == 0)
pv->set = true;
@ -764,7 +795,7 @@ qemuMigrationParamsToJSON(qemuMigrationParams *migParams)
if (!pv->set)
continue;
switch (qemuMigrationParamTypes[i]) {
switch (qemuMigrationParamInfo[i].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
rc = virJSONValueObjectAppendNumberInt(params, name, pv->value.i);
break;
@ -1280,7 +1311,7 @@ qemuMigrationParamsFormat(virBuffer *buf,
virBufferAsprintf(buf, "<param name='%s' ",
qemuMigrationParamTypeToString(i));
switch (qemuMigrationParamTypes[i]) {
switch (qemuMigrationParamInfo[i].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
virBufferAsprintf(buf, "value='%d'", pv->value.i);
break;
@ -1357,7 +1388,7 @@ qemuMigrationParamsParse(xmlXPathContextPtr ctxt,
}
rc = 0;
switch (qemuMigrationParamTypes[param]) {
switch (qemuMigrationParamInfo[param].type) {
case QEMU_MIGRATION_PARAM_TYPE_INT:
rc = virStrToLong_i(value, NULL, 10, &pv->value.i);
break;