Re: [PATCH 04/12] Move qemuCheckCCWS390AddressSupport to qemu_domain

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On 10/17/2017 11:04 AM, Ján Tomko wrote:
> Let it be reused in qemu_domain_address.

Alternatively you could have added "#include qemu_command.h" to
qemu_domain_address.c, right?

IDC about moving, but if you do....

> ---
>  src/qemu/qemu_command.c | 40 ----------------------------------------
>  src/qemu/qemu_command.h |  5 -----
>  src/qemu/qemu_domain.c  | 40 ++++++++++++++++++++++++++++++++++++++++
>  src/qemu/qemu_domain.h  |  5 +++++
>  4 files changed, 45 insertions(+), 45 deletions(-)
> 
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index f68b82d08..138bbdf1a 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -1263,46 +1263,6 @@ qemuCheckDiskConfig(virDomainDiskDefPtr disk)
>  }
>  
>  
> -/* Check whether the device address is using either 'ccw' or default s390
> - * address format and whether that's "legal" for the current qemu and/or
> - * guest os.machine type. This is the corollary to the code which doesn't
> - * find the address type set using an emulator that supports either 'ccw'
> - * or s390 and sets the address type based on the capabilities.
> - *
> - * If the address is using 'ccw' or s390 and it's not supported, generate
> - * an error and return false; otherwise, return true.
> - */
> -bool
> -qemuCheckCCWS390AddressSupport(const virDomainDef *def,
> -                               virDomainDeviceInfo info,
> -                               virQEMUCapsPtr qemuCaps,
> -                               const char *devicename)
> -{
> -    if (info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
> -        if (!qemuDomainIsS390CCW(def)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> -                           _("cannot use CCW address type for device "
> -                             "'%s' using machine type '%s'"),
> -                       devicename, def->os.machine);
> -            return false;
> -        } else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_CCW)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                           _("CCW address type is not supported by "
> -                             "this QEMU"));
> -            return false;
> -        }
> -    } else if (info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) {
> -        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390)) {
> -            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                           _("virtio S390 address type is not supported by "
> -                             "this QEMU"));
> -            return false;
> -        }
> -    }
> -    return true;
> -}
> -
> -
>  /* QEMU 1.2 and later have a binary flag -enable-fips that must be
>   * used for VNC auth to obey FIPS settings; but the flag only
>   * exists on Linux, and with no way to probe for it via QMP.  Our
> diff --git a/src/qemu/qemu_command.h b/src/qemu/qemu_command.h
> index 94e4592cc..1254ad4df 100644
> --- a/src/qemu/qemu_command.h
> +++ b/src/qemu/qemu_command.h
> @@ -189,11 +189,6 @@ int qemuCheckDiskConfig(virDomainDiskDefPtr disk);
>  bool
>  qemuCheckFips(void);
>  
> -bool qemuCheckCCWS390AddressSupport(const virDomainDef *def,
> -                                    virDomainDeviceInfo info,
> -                                    virQEMUCapsPtr qemuCaps,
> -                                    const char *devicename);
> -
>  virJSONValuePtr qemuBuildHotpluggableCPUProps(const virDomainVcpuDef *vcpu)
>      ATTRIBUTE_NONNULL(1);
>  
> diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
> index 05e8b96aa..f6eb4277a 100644
> --- a/src/qemu/qemu_domain.c
> +++ b/src/qemu/qemu_domain.c
> @@ -10122,3 +10122,43 @@ qemuDomainGetMachineName(virDomainObjPtr vm)
>  
>      return ret;
>  }
> +
> +
> +/* Check whether the device address is using either 'ccw' or default s390
> + * address format and whether that's "legal" for the current qemu and/or
> + * guest os.machine type. This is the corollary to the code which doesn't
> + * find the address type set using an emulator that supports either 'ccw'
> + * or s390 and sets the address type based on the capabilities.
> + *
> + * If the address is using 'ccw' or s390 and it's not supported, generate
> + * an error and return false; otherwise, return true.
> + */
> +bool
> +qemuCheckCCWS390AddressSupport(const virDomainDef *def,
> +                               virDomainDeviceInfo info,
> +                               virQEMUCapsPtr qemuCaps,
> +                               const char *devicename)


... This should be renamed to qemuDomainCheckCCWS390AddressSupport since
it's in qemu_domain.c

> +{
> +    if (info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
> +        if (!qemuDomainIsS390CCW(def)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> +                           _("cannot use CCW address type for device "
> +                             "'%s' using machine type '%s'"),
> +                       devicename, def->os.machine);
> +            return false;
> +        } else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_CCW)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                           _("CCW address type is not supported by "
> +                             "this QEMU"));
> +            return false;
> +        }
> +    } else if (info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) {
> +        if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390)) {
> +            virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                           _("virtio S390 address type is not supported by "
> +                             "this QEMU"));
> +            return false;
> +        }
> +    }
> +    return true;
> +}
> diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
> index 5201c6a0a..6abefc929 100644
> --- a/src/qemu/qemu_domain.h
> +++ b/src/qemu/qemu_domain.h
> @@ -978,4 +978,9 @@ qemuDomainFixupCPUs(virDomainObjPtr vm,
>  char *
>  qemuDomainGetMachineName(virDomainObjPtr vm);
>  
> +bool qemuCheckCCWS390AddressSupport(const virDomainDef *def,
> +                                    virDomainDeviceInfo info,
> +                                    virQEMUCapsPtr qemuCaps,
> +                                    const char *devicename);

More recently I've been encouraged by some reviewers to use:

bool
qemuDomainCheck...();

type format to follow the .c file format when adding functions.

John

> +
>  #endif /* __QEMU_DOMAIN_H__ */
> 

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