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

[Michal Privoznik]

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 at redhat.com>
---
 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