Re: [libvirt] [PATCH 27/34] conf: Add helper to return a bitmap of active iothread ids

--- src/conf/domain_conf.c | 29 +++++++++++++++++++++++++++++ src/conf/domain_conf.h | 3 +++ src/libvirt_private.syms | 1 + 3 files changed, 33 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index b18ce8d..14b6c80 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -18335,6 +18335,35 @@ virDomainIOThreadIDAdd(virDomainDefPtr def, return NULL; } + +/* + * virDomainIOThreadIDMap: + * @def: domain definition + * + * Returns a map of active iothreads for @def. + */ +virBitmapPtr +virDomainIOThreadIDMap(virDomainDefPtr def) +{ + unsigned int max = 0; + size_t i; + virBitmapPtr ret = NULL; + + for (i = 0; i < def->niothreadids; i++) { + if (def->iothreadids[i]->iothread_id > max) + max = def->iothreadids[i]->iothread_id; + } + + if (!(ret = virBitmapNew(max))) + return NULL; + + for (i = 0; i < def->niothreadids; i++) + ignore_value(virBitmapSetBit(ret, def->iothreadids[i]->iothread_id)); + + return ret; +} + + void virDomainIOThreadIDDel(virDomainDefPtr def, unsigned int iothread_id) diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h index b12eeca..a2c8eac 100644 --- a/src/conf/domain_conf.h +++ b/src/conf/domain_conf.h @@ -2700,6 +2700,9 @@ virDomainIOThreadIDDefPtr virDomainIOThreadIDFind(virDomainDefPtr def, unsigned int iothread_id); virDomainIOThreadIDDefPtr virDomainIOThreadIDAdd(virDomainDefPtr def, unsigned int iothread_id); + +virBitmapPtr virDomainIOThreadIDMap(virDomainDefPtr def) + ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK; void virDomainIOThreadIDDel(virDomainDefPtr def, unsigned int iothread_id); void virDomainIOThreadSchedDelId(virDomainDefPtr def, unsigned int iothread_id); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 8213ff3..0c84672 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -342,6 +342,7 @@ virDomainIOThreadIDAdd; virDomainIOThreadIDDefFree; virDomainIOThreadIDDel; virDomainIOThreadIDFind; +virDomainIOThreadIDMap; virDomainIOThreadSchedDelId; virDomainKeyWrapCipherNameTypeFromString; virDomainKeyWrapCipherNameTypeToString;