[libvirt] [PATCH 1/4] qemu: Introduce qemuDomainAgentJob

This enum will list all possible jobs for guest agent. The idea is when a thread needs to talk to guest agent only it will take the QEMU_AGENT_JOB instead of QEMU_JOB helping better concurrency. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- src/qemu/qemu_domain.c | 4 ++++ src/qemu/qemu_domain.h | 15 +++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c index 11c261db1a..b8e34c1c2c 100644 --- a/src/qemu/qemu_domain.c +++ b/src/qemu/qemu_domain.c @@ -93,6 +93,10 @@ VIR_ENUM_IMPL(qemuDomainJob, QEMU_JOB_LAST, "async nested", ); +VIR_ENUM_IMPL(qemuDomainAgentJob, QEMU_AGENT_JOB_LAST, + "none" +); + VIR_ENUM_IMPL(qemuDomainAsyncJob, QEMU_ASYNC_JOB_LAST, "none", "migration out", diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h index f17157b951..709b42e6fd 100644 --- a/src/qemu/qemu_domain.h +++ b/src/qemu/qemu_domain.h @@ -82,6 +82,13 @@ typedef enum { } qemuDomainJob; VIR_ENUM_DECL(qemuDomainJob) +typedef enum { + QEMU_AGENT_JOB_NONE = 0, /* No agent job. */ + + QEMU_AGENT_JOB_LAST +} qemuDomainAgentJob; +VIR_ENUM_DECL(qemuDomainAgentJob) + /* Async job consists of a series of jobs that may change state. Independent * jobs that do not change state (and possibly others if explicitly allowed by * current async job) are allowed to be run even if async job is active. @@ -158,11 +165,19 @@ typedef struct _qemuDomainJobObj qemuDomainJobObj; typedef qemuDomainJobObj *qemuDomainJobObjPtr; struct _qemuDomainJobObj { virCond cond; /* Use to coordinate jobs */ + + /* The following members are for QEMU_JOB_* */ qemuDomainJob active; /* Currently running job */ unsigned long long owner; /* Thread id which set current job */ const char *ownerAPI; /* The API which owns the job */ unsigned long long started; /* When the current job started */ + /* The following members are for QEMU_AGENT_JOB_* */ + qemuDomainAgentJob agentActive; /* Currently running agent job */ + unsigned long long agentOwner; /* Thread id which set current agent job */ + const char *agentOwnerAPI; /* The API which owns the agent job */ + unsigned long long agentStarted; /* When the current agent job started */ + virCond asyncCond; /* Use to coordinate with async jobs */ qemuDomainAsyncJob asyncJob; /* Currently active async job */ unsigned long long asyncOwner; /* Thread which set current async job */ -- 2.16.4