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qmp: expose s390-specific CPU info

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Presently s390x is the only architecture not exposing specific
CPU information via QMP query-cpus. Upstream discussion has shown
that it could make sense to report the architecture specific CPU
state, e.g. to detect that a CPU has been stopped.

With this change the output of query-cpus will look like this on
s390:

   [
     {"arch": "s390", "current": true,
      "props": {"core-id": 0}, "cpu-state": "operating", "CPU": 0,
      "qom_path": "/machine/unattached/device[0]",
      "halted": false, "thread_id": 63115},
     {"arch": "s390", "current": false,
      "props": {"core-id": 1}, "cpu-state": "stopped", "CPU": 1,
      "qom_path": "/machine/unattached/device[1]",
      "halted": true, "thread_id": 63116}
   ]

This change doesn't add the s390-specific data to HMP 'info cpus'.
A follow-on patch will remove all architecture specific information
from there.

Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1518797321-28356-2-git-send-email-mihajlov@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Viktor Mihajlovski 2018-02-16 17:08:37 +01:00 • committed by Cornelia Huck
parent 21fc97c5ff
commit 9d0306dfdf
8 changed files with 73 additions and 44 deletions
Download patch file Download diff file Expand all files Collapse all files

4
hw/intc/s390_flic.c
View file

@ -192,8 +192,8 @@ static void qemu_s390_flic_notify(uint32_t type)
cs->interrupt_request |= CPU_INTERRUPT_HARD;
/* ignore CPUs that are not sleeping */
if (s390_cpu_get_state(cpu) != CPU_STATE_OPERATING &&
s390_cpu_get_state(cpu) != CPU_STATE_LOAD) {
if (s390_cpu_get_state(cpu) != S390_CPU_STATE_OPERATING &&
s390_cpu_get_state(cpu) != S390_CPU_STATE_LOAD) {
continue;
}