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| author | Pierre Morel <pmorel@linux.ibm.com> | 2023-10-16 20:39:09 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-10-20 07:16:53 +0200 |
| commit | a67f05b39106bf3477475297d8508bcb7d8eb0d8 (patch) | |
| tree | be14e85a5d7c9d5358362e92967df3566ef2e2ae /hw/s390x/sclp.c | |
| parent | f4f54b582f4b78f4cfd5a6912e88aef4f11e3e3c (diff) | |
| download | qemu-a67f05b39106bf3477475297d8508bcb7d8eb0d8.zip qemu-a67f05b39106bf3477475297d8508bcb7d8eb0d8.tar.gz qemu-a67f05b39106bf3477475297d8508bcb7d8eb0d8.tar.bz2 | |
s390x/sclp: reporting the maximum nested topology entries
The maximum nested topology entries is used by the guest to
know how many nested topology are available on the machine.
Let change the MNEST value from 2 to 4 in the SCLP READ INFO
structure now that we support books and drawers.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20231016183925.2384704-6-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'hw/s390x/sclp.c')
| -rw-r--r-- | hw/s390x/sclp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c index eff7447..d339cbb 100644 --- a/hw/s390x/sclp.c +++ b/hw/s390x/sclp.c @@ -20,6 +20,7 @@ #include "hw/s390x/event-facility.h" #include "hw/s390x/s390-pci-bus.h" #include "hw/s390x/ipl.h" +#include "hw/s390x/cpu-topology.h" static inline SCLPDevice *get_sclp_device(void) { @@ -123,6 +124,10 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb) return; } + if (s390_has_topology()) { + read_info->stsi_parm = SCLP_READ_SCP_INFO_MNEST; + } + /* CPU information */ prepare_cpu_entries(machine, entries_start, &cpu_count); read_info->entries_cpu = cpu_to_be16(cpu_count); |