| Message ID | 20230425161456.21031-13-pmorel@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x: CPU Topology | expand |
On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote: > The query-cpu-polarization qmp command returns the current > CPU polarization of the machine. > > Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> > --- > qapi/machine-target.json | 30 ++++++++++++++++++++++++++++++ > hw/s390x/cpu-topology.c | 14 ++++++++++++++ > 2 files changed, 44 insertions(+) > > diff --git a/qapi/machine-target.json b/qapi/machine-target.json > index ffde2e9cbd..8eb05755cd 100644 > --- a/qapi/machine-target.json > +++ b/qapi/machine-target.json > @@ -4,6 +4,7 @@ > # This work is licensed under the terms of the GNU GPL, version 2 or later. > # See the COPYING file in the top-level directory. > > +{ 'include': 'common.json' } Why do you need this? > { 'include': 'machine-common.json' } > > ## > @@ -424,3 +425,32 @@ > 'features': [ 'unstable' ], > 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } > } > + > +## > +# @CpuPolarizationInfo: > +# > +# The result of a cpu polarization > +# > +# @polarization: the CPU polarization > +# > +# Since: 2.8 2.8? > +## > +{ 'struct': 'CpuPolarizationInfo', > + 'data': { 'polarization': 'CpuS390Polarization' }, > + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } > +} > + > +## > +# @query-cpu-polarization: > +# > +# Features: > +# @unstable: This command may still be modified. > +# > +# Returns: the machine polarization > +# > +# Since: 8.1 > +## > +{ 'command': 'query-cpu-polarization', 'returns': 'CpuPolarizationInfo', Do you need the struct or could you use CpuS390Polarization directly here? The struct allows for more flexibility in the future, I can't imagine a reason why it'd be necessary, but I'm not opposed. > + 'features': [ 'unstable' ], > + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } > +} > diff --git a/hw/s390x/cpu-topology.c b/hw/s390x/cpu-topology.c > index e8b140d623..d440e8a3c6 100644 > --- a/hw/s390x/cpu-topology.c > +++ b/hw/s390x/cpu-topology.c > @@ -18,6 +18,7 @@ > #include "hw/s390x/cpu-topology.h" > #include "qapi/qapi-commands-machine-target.h" > #include "qapi/qapi-events-machine-target.h" > +#include "qapi/type-helpers.h" What do you need this include for? > > /* > * s390_topology is used to keep the topology information. > @@ -468,3 +469,16 @@ void qmp_set_cpu_topology(uint16_t core, > has_drawer, drawer, has_entitlement, entitlement, > has_dedicated, dedicated, errp); > } > + > +CpuPolarizationInfo *qmp_query_cpu_polarization(Error **errp) > +{ > + CpuPolarizationInfo *info = g_new0(CpuPolarizationInfo, 1); > + > + if (s390_topology.vertical_polarization) { > + info->polarization = S390_CPU_POLARIZATION_VERTICAL; > + } else { > + info->polarization = S390_CPU_POLARIZATION_HORIZONTAL; > + } > + > + return info; > +}
On 5/10/23 14:04, Nina Schoetterl-Glausch wrote: > On Tue, 2023-04-25 at 18:14 +0200, Pierre Morel wrote: >> The query-cpu-polarization qmp command returns the current >> CPU polarization of the machine. >> >> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> >> --- >> qapi/machine-target.json | 30 ++++++++++++++++++++++++++++++ >> hw/s390x/cpu-topology.c | 14 ++++++++++++++ >> 2 files changed, 44 insertions(+) >> >> diff --git a/qapi/machine-target.json b/qapi/machine-target.json >> index ffde2e9cbd..8eb05755cd 100644 >> --- a/qapi/machine-target.json >> +++ b/qapi/machine-target.json >> @@ -4,6 +4,7 @@ >> # This work is licensed under the terms of the GNU GPL, version 2 or later. >> # See the COPYING file in the top-level directory. >> >> +{ 'include': 'common.json' } > Why do you need this? exact, I do not need it. > >> { 'include': 'machine-common.json' } >> >> ## >> @@ -424,3 +425,32 @@ >> 'features': [ 'unstable' ], >> 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } >> } >> + >> +## >> +# @CpuPolarizationInfo: >> +# >> +# The result of a cpu polarization >> +# >> +# @polarization: the CPU polarization >> +# >> +# Since: 2.8 > 2.8? yes, 8.1 > >> +## >> +{ 'struct': 'CpuPolarizationInfo', >> + 'data': { 'polarization': 'CpuS390Polarization' }, >> + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } >> +} >> + >> +## >> +# @query-cpu-polarization: >> +# >> +# Features: >> +# @unstable: This command may still be modified. >> +# >> +# Returns: the machine polarization >> +# >> +# Since: 8.1 >> +## >> +{ 'command': 'query-cpu-polarization', 'returns': 'CpuPolarizationInfo', > Do you need the struct or could you use CpuS390Polarization directly here? > The struct allows for more flexibility in the future, I can't imagine a reason > why it'd be necessary, but I'm not opposed. That is what I thought, keeping flexibility. > > >> + 'features': [ 'unstable' ], >> + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } >> +} >> diff --git a/hw/s390x/cpu-topology.c b/hw/s390x/cpu-topology.c >> index e8b140d623..d440e8a3c6 100644 >> --- a/hw/s390x/cpu-topology.c >> +++ b/hw/s390x/cpu-topology.c >> @@ -18,6 +18,7 @@ >> #include "hw/s390x/cpu-topology.h" >> #include "qapi/qapi-commands-machine-target.h" >> #include "qapi/qapi-events-machine-target.h" >> +#include "qapi/type-helpers.h" > What do you need this include for? I do not need it. > >> >> /* >> * s390_topology is used to keep the topology information. >> @@ -468,3 +469,16 @@ void qmp_set_cpu_topology(uint16_t core, >> has_drawer, drawer, has_entitlement, entitlement, >> has_dedicated, dedicated, errp); >> } >> + >> +CpuPolarizationInfo *qmp_query_cpu_polarization(Error **errp) >> +{ >> + CpuPolarizationInfo *info = g_new0(CpuPolarizationInfo, 1); >> + >> + if (s390_topology.vertical_polarization) { >> + info->polarization = S390_CPU_POLARIZATION_VERTICAL; >> + } else { >> + info->polarization = S390_CPU_POLARIZATION_HORIZONTAL; >> + } >> + >> + return info; >> +} Thanks, I will clean this leftovers from the first draw. Regards Pierre
diff --git a/qapi/machine-target.json b/qapi/machine-target.json index ffde2e9cbd..8eb05755cd 100644 --- a/qapi/machine-target.json +++ b/qapi/machine-target.json @@ -4,6 +4,7 @@ # This work is licensed under the terms of the GNU GPL, version 2 or later. # See the COPYING file in the top-level directory. +{ 'include': 'common.json' } { 'include': 'machine-common.json' } ## @@ -424,3 +425,32 @@ 'features': [ 'unstable' ], 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } } + +## +# @CpuPolarizationInfo: +# +# The result of a cpu polarization +# +# @polarization: the CPU polarization +# +# Since: 2.8 +## +{ 'struct': 'CpuPolarizationInfo', + 'data': { 'polarization': 'CpuS390Polarization' }, + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } +} + +## +# @query-cpu-polarization: +# +# Features: +# @unstable: This command may still be modified. +# +# Returns: the machine polarization +# +# Since: 8.1 +## +{ 'command': 'query-cpu-polarization', 'returns': 'CpuPolarizationInfo', + 'features': [ 'unstable' ], + 'if': { 'all': [ 'TARGET_S390X', 'CONFIG_KVM' ] } +} diff --git a/hw/s390x/cpu-topology.c b/hw/s390x/cpu-topology.c index e8b140d623..d440e8a3c6 100644 --- a/hw/s390x/cpu-topology.c +++ b/hw/s390x/cpu-topology.c @@ -18,6 +18,7 @@ #include "hw/s390x/cpu-topology.h" #include "qapi/qapi-commands-machine-target.h" #include "qapi/qapi-events-machine-target.h" +#include "qapi/type-helpers.h" /* * s390_topology is used to keep the topology information. @@ -468,3 +469,16 @@ void qmp_set_cpu_topology(uint16_t core, has_drawer, drawer, has_entitlement, entitlement, has_dedicated, dedicated, errp); } + +CpuPolarizationInfo *qmp_query_cpu_polarization(Error **errp) +{ + CpuPolarizationInfo *info = g_new0(CpuPolarizationInfo, 1); + + if (s390_topology.vertical_polarization) { + info->polarization = S390_CPU_POLARIZATION_VERTICAL; + } else { + info->polarization = S390_CPU_POLARIZATION_HORIZONTAL; + } + + return info; +}
The query-cpu-polarization qmp command returns the current CPU polarization of the machine. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> --- qapi/machine-target.json | 30 ++++++++++++++++++++++++++++++ hw/s390x/cpu-topology.c | 14 ++++++++++++++ 2 files changed, 44 insertions(+)