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ppc/pnv: Link "psi" property to PnvOCC::psi pointer

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The OCC object has both a pointer and a "psi" property pointing to the
PSI object. Confusing bugs could arise if these ever go out of sync.

Change the property definition so that it explicitely sets the pointer.

Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <157383334894.165747.7617090757862105199.stgit@bahia.lan>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Greg Kurz 2019-11-15 16:55:49 +01:00 • committed by David Gibson
parent b63f389366
commit ee3d27138d
2 changed files with 13 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hw/ppc/pnv.c
View file

@ -904,8 +904,6 @@ static void pnv_chip_power8_instance_init(Object *obj)
object_initialize_child(obj, "occ", &chip8->occ, sizeof(chip8->occ), object_initialize_child(obj, "occ", &chip8->occ, sizeof(chip8->occ),
TYPE_PNV8_OCC, &error_abort, NULL); TYPE_PNV8_OCC, &error_abort, NULL);
object_property_add_const_link(OBJECT(&chip8->occ), "psi",
OBJECT(&chip8->psi), &error_abort);
object_initialize_child(obj, "homer", &chip8->homer, sizeof(chip8->homer), object_initialize_child(obj, "homer", &chip8->homer, sizeof(chip8->homer),
TYPE_PNV8_HOMER, &error_abort, NULL); TYPE_PNV8_HOMER, &error_abort, NULL);
@ -1000,6 +998,8 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
} }
/* Create the simplified OCC model */ /* Create the simplified OCC model */
object_property_set_link(OBJECT(&chip8->occ), OBJECT(&chip8->psi), "psi",
&error_abort);
object_property_set_bool(OBJECT(&chip8->occ), true, "realized", &local_err); object_property_set_bool(OBJECT(&chip8->occ), true, "realized", &local_err);
if (local_err) { if (local_err) {
error_propagate(errp, local_err); error_propagate(errp, local_err);
@ -1102,8 +1102,6 @@ static void pnv_chip_power9_instance_init(Object *obj)
object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ), object_initialize_child(obj, "occ", &chip9->occ, sizeof(chip9->occ),
TYPE_PNV9_OCC, &error_abort, NULL); TYPE_PNV9_OCC, &error_abort, NULL);
object_property_add_const_link(OBJECT(&chip9->occ), "psi",
OBJECT(&chip9->psi), &error_abort);
object_initialize_child(obj, "homer", &chip9->homer, sizeof(chip9->homer), object_initialize_child(obj, "homer", &chip9->homer, sizeof(chip9->homer),
TYPE_PNV9_HOMER, &error_abort, NULL); TYPE_PNV9_HOMER, &error_abort, NULL);
@ -1211,6 +1209,8 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
(uint64_t) PNV9_LPCM_BASE(chip)); (uint64_t) PNV9_LPCM_BASE(chip));
/* Create the simplified OCC model */ /* Create the simplified OCC model */
object_property_set_link(OBJECT(&chip9->occ), OBJECT(&chip9->psi), "psi",
&error_abort);
object_property_set_bool(OBJECT(&chip9->occ), true, "realized", &local_err); object_property_set_bool(OBJECT(&chip9->occ), true, "realized", &local_err);
if (local_err) { if (local_err) {
error_propagate(errp, local_err); error_propagate(errp, local_err);

20
hw/ppc/pnv_occ.c
View file

@ -21,7 +21,7 @@
#include "qapi/error.h" #include "qapi/error.h"
#include "qemu/log.h" #include "qemu/log.h"
#include "qemu/module.h" #include "qemu/module.h"
#include "hw/qdev-properties.h"
#include "hw/ppc/pnv.h" #include "hw/ppc/pnv.h"
#include "hw/ppc/pnv_xscom.h" #include "hw/ppc/pnv_xscom.h"
#include "hw/ppc/pnv_occ.h" #include "hw/ppc/pnv_occ.h"
@ -257,19 +257,11 @@ static void pnv_occ_realize(DeviceState *dev, Error **errp)
{ {
PnvOCC *occ = PNV_OCC(dev); PnvOCC *occ = PNV_OCC(dev);
PnvOCCClass *poc = PNV_OCC_GET_CLASS(occ); PnvOCCClass *poc = PNV_OCC_GET_CLASS(occ);
Object *obj;
Error *local_err = NULL; assert(occ->psi);
occ->occmisc = 0; occ->occmisc = 0;
obj = object_property_get_link(OBJECT(dev), "psi", &local_err);
if (!obj) {
error_propagate(errp, local_err);
error_prepend(errp, "required link 'psi' not found: ");
return;
}
occ->psi = PNV_PSI(obj);
/* XScom region for OCC registers */ /* XScom region for OCC registers */
pnv_xscom_region_init(&occ->xscom_regs, OBJECT(dev), poc->xscom_ops, pnv_xscom_region_init(&occ->xscom_regs, OBJECT(dev), poc->xscom_ops,
occ, "xscom-occ", poc->xscom_size); occ, "xscom-occ", poc->xscom_size);
@ -279,12 +271,18 @@ static void pnv_occ_realize(DeviceState *dev, Error **errp)
occ, "occ-common-area", poc->sram_size); occ, "occ-common-area", poc->sram_size);
} }
static Property pnv_occ_properties[] = {
DEFINE_PROP_LINK("psi", PnvOCC, psi, TYPE_PNV_PSI, PnvPsi *),
DEFINE_PROP_END_OF_LIST(),
};
static void pnv_occ_class_init(ObjectClass *klass, void *data) static void pnv_occ_class_init(ObjectClass *klass, void *data)
{ {
DeviceClass *dc = DEVICE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = pnv_occ_realize; dc->realize = pnv_occ_realize;
dc->desc = "PowerNV OCC Controller"; dc->desc = "PowerNV OCC Controller";
dc->props = pnv_occ_properties;
} }
static const TypeInfo pnv_occ_type_info = { static const TypeInfo pnv_occ_type_info = {