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s390x: remove 's390-squash-mcss' option

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This option has been deprecated for two releases; remove it.

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Cornelia Huck 2018-07-23 18:32:21 +02:00
parent a5f9ecc49d
commit 36699ab480
13 changed files with 10 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
hw/s390x/3270-ccw.c
View File

@ -98,13 +98,10 @@ static void emulated_ccw_3270_realize(DeviceState *ds, Error **errp)
EmulatedCcw3270Class *ck = EMULATED_CCW_3270_GET_CLASS(dev);
CcwDevice *cdev = CCW_DEVICE(ds);
CCWDeviceClass *cdk = CCW_DEVICE_GET_CLASS(cdev);
DeviceState *parent = DEVICE(cdev);
BusState *qbus = qdev_get_parent_bus(parent);
VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus);
SubchDev *sch;
Error *err = NULL;
sch = css_create_sch(cdev->devno, cbus->squash_mcss, errp);
sch = css_create_sch(cdev->devno, errp);
if (!sch) {
return;
}

1
hw/s390x/css-bridge.c
View File

@ -106,7 +106,6 @@ VirtualCssBus *virtual_css_bus_init(void)
/* Create bus on bridge device */
bus = qbus_create(TYPE_VIRTUAL_CSS_BUS, dev, "virtual-css");
cbus = VIRTUAL_CSS_BUS(bus);
cbus->squash_mcss = s390_get_squash_mcss();
/* Enable hotplugging */
qbus_set_hotplug_handler(bus, dev, &error_abort);

6
hw/s390x/css.c
View File

@ -2359,15 +2359,13 @@ const PropertyInfo css_devid_ro_propinfo = {
.get = get_css_devid,
};
SubchDev *css_create_sch(CssDevId bus_id, bool squash_mcss, Error **errp)
SubchDev *css_create_sch(CssDevId bus_id, Error **errp)
{
uint16_t schid = 0;
SubchDev *sch;
if (bus_id.valid) {
if (squash_mcss) {
bus_id.cssid = channel_subsys.default_cssid;
} else if (!channel_subsys.css[bus_id.cssid]) {
if (!channel_subsys.css[bus_id.cssid]) {
css_create_css_image(bus_id.cssid, false);
}

4
hw/s390x/s390-ccw.c
View File

@ -67,8 +67,6 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **errp)
CcwDevice *ccw_dev = CCW_DEVICE(cdev);
CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
DeviceState *parent = DEVICE(ccw_dev);
BusState *qbus = qdev_get_parent_bus(parent);
VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus);
SubchDev *sch;
int ret;
Error *err = NULL;
@ -78,7 +76,7 @@ static void s390_ccw_realize(S390CCWDevice *cdev, char *sysfsdev, Error **errp)
goto out_err_propagate;
}
sch = css_create_sch(ccw_dev->devno, cbus->squash_mcss, &err);
sch = css_create_sch(ccw_dev->devno, &err);
if (!sch) {
goto out_mdevid_free;
}

35
hw/s390x/s390-virtio-ccw.c
View File

@ -282,19 +282,8 @@ static void ccw_init(MachineState *machine)
virtio_ccw_register_hcalls();
s390_enable_css_support(s390_cpu_addr2state(0));
/*
* Non mcss-e enabled guests only see the devices from the default
* css, which is determined by the value of the squash_mcss property.
*/
if (css_bus->squash_mcss) {
ret = css_create_css_image(0, true);
} else {
ret = css_create_css_image(VIRTUAL_CSSID, true);
}
if (qemu_opt_get(qemu_get_machine_opts(), "s390-squash-mcss")) {
warn_report("The machine property 's390-squash-mcss' is deprecated"
" (obsoleted by lifting the cssid restrictions).");
}
assert(ret == 0);
if (css_migration_enabled()) {
@ -575,21 +564,6 @@ static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
ms->loadparm[i] = ' '; /* pad right with spaces */
}
}
static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
{
S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
return ms->s390_squash_mcss;
}
static inline void machine_set_squash_mcss(Object *obj, bool value,
Error **errp)
{
S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
ms->s390_squash_mcss = value;
}
static inline void s390_machine_initfn(Object *obj)
{
object_property_add_bool(obj, "aes-key-wrap",
@ -614,13 +588,6 @@ static inline void s390_machine_initfn(Object *obj)
" to upper case) to pass to machine loader, boot manager,"
" and guest kernel",
NULL);
object_property_add_bool(obj, "s390-squash-mcss",
machine_get_squash_mcss,
machine_set_squash_mcss, NULL);
object_property_set_description(obj, "s390-squash-mcss", "(deprecated) "
"enable/disable squashing subchannels into the default css",
NULL);
object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
}
static const TypeInfo ccw_machine_info = {

5
hw/s390x/virtio-ccw.c
View File

@ -694,13 +694,10 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp)
VirtIOCCWDeviceClass *k = VIRTIO_CCW_DEVICE_GET_CLASS(dev);
CcwDevice *ccw_dev = CCW_DEVICE(dev);
CCWDeviceClass *ck = CCW_DEVICE_GET_CLASS(ccw_dev);
DeviceState *parent = DEVICE(ccw_dev);
BusState *qbus = qdev_get_parent_bus(parent);
VirtualCssBus *cbus = VIRTUAL_CSS_BUS(qbus);
SubchDev *sch;
Error *err = NULL;
sch = css_create_sch(ccw_dev->devno, cbus->squash_mcss, errp);
sch = css_create_sch(ccw_dev->devno, errp);
if (!sch) {
return;
}

1
include/hw/s390x/css-bridge.h
View File

@ -28,7 +28,6 @@ typedef struct VirtualCssBridge {
/* virtual css bus type */
typedef struct VirtualCssBus {
BusState parent_obj;
bool squash_mcss;
} VirtualCssBus;
#define TYPE_VIRTUAL_CSS_BUS "virtual-css-bus"

9
include/hw/s390x/css.h
View File

@ -266,11 +266,8 @@ extern const PropertyInfo css_devid_ro_propinfo;
/**
* Create a subchannel for the given bus id.
*
* If @p bus_id is valid, and @p squash_mcss is true, verify that it is
* not already in use in the default css, and find a free devno from the
* default css image for it.
* If @p bus_id is valid, and @p squash_mcss is false, verify that it is
* not already in use, and find a free devno for it.
* If @p bus_id is valid, verify that it is not already in use, and find a
* free devno for it.
* If @p bus_id is not valid find a free subchannel id and device number
* across all subchannel sets and all css images starting from the default
* css image.
@ -282,7 +279,7 @@ extern const PropertyInfo css_devid_ro_propinfo;
* The caller becomes owner of the returned subchannel structure and
* is responsible for unregistering and freeing it.
*/
SubchDev *css_create_sch(CssDevId bus_id, bool squash_mcss, Error **errp);
SubchDev *css_create_sch(CssDevId bus_id, Error **errp);
/** Turn on css migration */
void css_register_vmstate(void);

1
include/hw/s390x/s390-virtio-ccw.h
View File

@ -29,7 +29,6 @@ typedef struct S390CcwMachineState {
bool aes_key_wrap;
bool dea_key_wrap;
uint8_t loadparm[8];
bool s390_squash_mcss;
} S390CcwMachineState;
typedef struct S390CcwMachineClass {

8
qemu-deprecated.texi
View File

@ -111,14 +111,6 @@ The ``-nodefconfig`` argument is a synonym for ``-no-user-config``.
The @option{--balloon virtio} argument has been superseded by
@option{--device virtio-balloon}.
@subsection -machine s390-squash-mcss=on|off (since 2.12.0)
The ``s390-squash-mcss=on`` property has been obsoleted by allowing the
cssid to be chosen freely. Instead of squashing subchannels into the
default channel subsystem image for guests that do not support multiple
channel subsystems, all devices can be put into the default channel
subsystem image.
@subsection -fsdev handle (since 2.12.0)
The ``handle'' fsdev backend does not support symlinks and causes the 9p

10
qemu-options.hx
View File

@ -43,7 +43,6 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" suppress-vmdesc=on|off disables self-describing migration (default=off)\n"
" nvdimm=on|off controls NVDIMM support (default=off)\n"
" enforce-config-section=on|off enforce configuration section migration (default=off)\n"
" s390-squash-mcss=on|off (deprecated) controls support for squashing into default css (default=off)\n"
" memory-encryption=@var{} memory encryption object to use (default=none)\n",
QEMU_ARCH_ALL)
STEXI
@ -96,15 +95,6 @@ controls whether DEA wrapping keys will be created to allow
execution of DEA cryptographic functions. The default is on.
@item nvdimm=on|off
Enables or disables NVDIMM support. The default is off.
@item s390-squash-mcss=on|off
Enables or disables squashing subchannels into the default css.
The default is off.
NOTE: This property is deprecated and will be removed in future releases.
The ``s390-squash-mcss=on`` property has been obsoleted by allowing the
cssid to be chosen freely. Instead of squashing subchannels into the
default channel subsystem image for guests that do not support multiple
channel subsystems, all devices can be put into the default channel
subsystem image.
@item enforce-config-section=on|off
If @option{enforce-config-section} is set to @var{on}, force migration
code to send configuration section even if the machine-type sets the

10
target/s390x/cpu.c
View File

@ -421,16 +421,6 @@ void s390_crypto_reset(void)
}
}
bool s390_get_squash_mcss(void)
{
if (object_property_get_bool(OBJECT(qdev_get_machine()), "s390-squash-mcss",
NULL)) {
return true;
}
return false;
}
void s390_enable_css_support(S390CPU *cpu)
{
if (kvm_enabled()) {

1
target/s390x/cpu.h
View File

@ -713,7 +713,6 @@ static inline void s390_do_cpu_load_normal(CPUState *cs, run_on_cpu_data arg)
/* cpu.c */
void s390_crypto_reset(void);
bool s390_get_squash_mcss(void);
int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit);
void s390_cmma_reset(void);
void s390_enable_css_support(S390CPU *cpu);