From: Felipe Franciosi <felipe@nutanix.com>
To: Marc-Andre Lureau <marcandre.lureau@gmail.com>,
Philippe Mathieu-Daude <philmd@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Eduardo Habkost <ehabkost@redhat.com>,
Markus Armbruster <armbru@redhat.com>,
Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Felipe Franciosi <felipe@nutanix.com>
Subject: [PATCH v3 1/4] qom/object: enable setter for uint types
Date: Fri, 29 Nov 2019 17:46:49 +0000 [thread overview]
Message-ID: <20191129174630.6922-2-felipe@nutanix.com> (raw)
In-Reply-To: <20191129174630.6922-1-felipe@nutanix.com>
Traditionally, the uint-specific property helpers only offer getters.
When adding object (or class) uint types, one must therefore use the
generic property helper if a setter is needed (and probably duplicate
some code writing their own getters/setters).
This enhances the uint-specific property helper APIs by adding a
bitwise-or'd 'flags' field and modifying all clients of that API to set
this paramater to OBJ_PROP_FLAG_READ. This maintains the current
behaviour whilst allowing others to also set OBJ_PROP_FLAG_WRITE (or use
the more convenient OBJ_PROP_FLAG_READWRITE) in the future (which will
automatically install a setter). Other flags may be added later.
Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
---
hw/acpi/ich9.c | 4 +-
hw/acpi/pcihp.c | 7 +-
hw/acpi/piix4.c | 12 +--
hw/isa/lpc_ich9.c | 4 +-
hw/ppc/spapr_drc.c | 3 +-
include/qom/object.h | 44 +++++++--
qom/object.c | 216 ++++++++++++++++++++++++++++++++++++++-----
ui/console.c | 4 +-
8 files changed, 246 insertions(+), 48 deletions(-)
diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 2034dd749e..742fb78226 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -454,12 +454,12 @@ void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp)
pm->s4_val = 2;
object_property_add_uint32_ptr(obj, ACPI_PM_PROP_PM_IO_BASE,
- &pm->pm_io_base, errp);
+ &pm->pm_io_base, OBJ_PROP_FLAG_READ, errp);
object_property_add(obj, ACPI_PM_PROP_GPE0_BLK, "uint32",
ich9_pm_get_gpe0_blk,
NULL, NULL, pm, NULL);
object_property_add_uint32_ptr(obj, ACPI_PM_PROP_GPE0_BLK_LEN,
- &gpe0_len, errp);
+ &gpe0_len, OBJ_PROP_FLAG_READ, errp);
object_property_add_bool(obj, "memory-hotplug-support",
ich9_pm_get_memory_hotplug_support,
ich9_pm_set_memory_hotplug_support,
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 8413348a33..4dcef372bf 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -80,7 +80,8 @@ static void *acpi_set_bsel(PCIBus *bus, void *opaque)
*bus_bsel = (*bsel_alloc)++;
object_property_add_uint32_ptr(OBJECT(bus), ACPI_PCIHP_PROP_BSEL,
- bus_bsel, &error_abort);
+ bus_bsel, OBJ_PROP_FLAG_READ,
+ &error_abort);
}
return bsel_alloc;
@@ -373,9 +374,9 @@ void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
memory_region_add_subregion(address_space_io, s->io_base, &s->io);
object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_BASE_PROP, &s->io_base,
- &error_abort);
+ OBJ_PROP_FLAG_READ, &error_abort);
object_property_add_uint16_ptr(owner, ACPI_PCIHP_IO_LEN_PROP, &s->io_len,
- &error_abort);
+ OBJ_PROP_FLAG_READ, &error_abort);
}
const VMStateDescription vmstate_acpi_pcihp_pci_status = {
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 93aec2dd2c..fe05a3ce46 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -443,17 +443,17 @@ static void piix4_pm_add_propeties(PIIX4PMState *s)
static const uint16_t sci_int = 9;
object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_ENABLE_CMD,
- &acpi_enable_cmd, NULL);
+ &acpi_enable_cmd, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint8_ptr(OBJECT(s), ACPI_PM_PROP_ACPI_DISABLE_CMD,
- &acpi_disable_cmd, NULL);
+ &acpi_disable_cmd, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK,
- &gpe0_blk, NULL);
+ &gpe0_blk, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_GPE0_BLK_LEN,
- &gpe0_blk_len, NULL);
+ &gpe0_blk_len, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint16_ptr(OBJECT(s), ACPI_PM_PROP_SCI_INT,
- &sci_int, NULL);
+ &sci_int, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint32_ptr(OBJECT(s), ACPI_PM_PROP_PM_IO_BASE,
- &s->io_base, NULL);
+ &s->io_base, OBJ_PROP_FLAG_READ, NULL);
}
static void piix4_pm_realize(PCIDevice *dev, Error **errp)
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c
index 17c292e306..99517c3946 100644
--- a/hw/isa/lpc_ich9.c
+++ b/hw/isa/lpc_ich9.c
@@ -645,9 +645,9 @@ static void ich9_lpc_add_properties(ICH9LPCState *lpc)
ich9_lpc_get_sci_int,
NULL, NULL, NULL, NULL);
object_property_add_uint8_ptr(OBJECT(lpc), ACPI_PM_PROP_ACPI_ENABLE_CMD,
- &acpi_enable_cmd, NULL);
+ &acpi_enable_cmd, OBJ_PROP_FLAG_READ, NULL);
object_property_add_uint8_ptr(OBJECT(lpc), ACPI_PM_PROP_ACPI_DISABLE_CMD,
- &acpi_disable_cmd, NULL);
+ &acpi_disable_cmd, OBJ_PROP_FLAG_READ, NULL);
ich9_pm_add_properties(OBJECT(lpc), &lpc->pm, NULL);
}
diff --git a/hw/ppc/spapr_drc.c b/hw/ppc/spapr_drc.c
index 62f1a42592..bbd4bf35c7 100644
--- a/hw/ppc/spapr_drc.c
+++ b/hw/ppc/spapr_drc.c
@@ -553,7 +553,8 @@ static void spapr_dr_connector_instance_init(Object *obj)
SpaprDrc *drc = SPAPR_DR_CONNECTOR(obj);
SpaprDrcClass *drck = SPAPR_DR_CONNECTOR_GET_CLASS(drc);
- object_property_add_uint32_ptr(obj, "id", &drc->id, NULL);
+ object_property_add_uint32_ptr(obj, "id", &drc->id, OBJ_PROP_FLAG_READ,
+ NULL);
object_property_add(obj, "index", "uint32", prop_get_index,
NULL, NULL, NULL, NULL);
object_property_add(obj, "fdt", "struct", prop_get_fdt,
diff --git a/include/qom/object.h b/include/qom/object.h
index 128d00c77f..d2bfd76741 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1579,65 +1579,93 @@ void object_class_property_add_tm(ObjectClass *klass, const char *name,
void (*get)(Object *, struct tm *, Error **),
Error **errp);
+typedef enum {
+ /* Automatically add a getter to the property */
+ OBJ_PROP_FLAG_READ = 1 << 0,
+ /* Automatically add a setter to the property */
+ OBJ_PROP_FLAG_WRITE = 1 << 1,
+ /* Automatically add a getter and a setter to the property */
+ OBJ_PROP_FLAG_READWRITE = (OBJ_PROP_FLAG_READ | OBJ_PROP_FLAG_WRITE),
+} ObjectPropertyFlags;
+
/**
* object_property_add_uint8_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
+ * @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint8'.
*/
void object_property_add_uint8_ptr(Object *obj, const char *name,
- const uint8_t *v, Error **errp);
+ const uint8_t *v, ObjectPropertyFlags flags,
+ Error **errp);
void object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name,
- const uint8_t *v, Error **errp);
+ const uint8_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp);
/**
* object_property_add_uint16_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
+ * @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint16'.
*/
void object_property_add_uint16_ptr(Object *obj, const char *name,
- const uint16_t *v, Error **errp);
+ const uint16_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp);
void object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name,
- const uint16_t *v, Error **errp);
+ const uint16_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp);
/**
* object_property_add_uint32_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
+ * @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint32'.
*/
void object_property_add_uint32_ptr(Object *obj, const char *name,
- const uint32_t *v, Error **errp);
+ const uint32_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp);
void object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name,
- const uint32_t *v, Error **errp);
+ const uint32_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp);
/**
* object_property_add_uint64_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
+ * @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint64'.
*/
void object_property_add_uint64_ptr(Object *obj, const char *name,
- const uint64_t *v, Error **Errp);
+ const uint64_t *v,
+ ObjectPropertyFlags flags,
+ Error **Errp);
void object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name,
- const uint64_t *v, Error **Errp);
+ const uint64_t *v,
+ ObjectPropertyFlags flags,
+ Error **Errp);
/**
* object_property_add_alias:
diff --git a/qom/object.c b/qom/object.c
index d51b57fba1..77c2682296 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -2326,6 +2326,22 @@ static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name,
visit_type_uint8(v, name, &value, errp);
}
+static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ uint8_t *field = opaque;
+ uint8_t value;
+ Error *local_err = NULL;
+
+ visit_type_uint8(v, name, &value, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ *field = value;
+}
+
static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
@@ -2333,6 +2349,22 @@ static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name,
visit_type_uint16(v, name, &value, errp);
}
+static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ uint16_t *field = opaque;
+ uint16_t value;
+ Error *local_err = NULL;
+
+ visit_type_uint16(v, name, &value, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ *field = value;
+}
+
static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
@@ -2340,6 +2372,22 @@ static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name,
visit_type_uint32(v, name, &value, errp);
}
+static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ uint32_t *field = opaque;
+ uint32_t value;
+ Error *local_err = NULL;
+
+ visit_type_uint32(v, name, &value, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ *field = value;
+}
+
static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
@@ -2347,60 +2395,180 @@ static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name,
visit_type_uint64(v, name, &value, errp);
}
+static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name,
+ void *opaque, Error **errp)
+{
+ uint64_t *field = opaque;
+ uint64_t value;
+ Error *local_err = NULL;
+
+ visit_type_uint64(v, name, &value, &local_err);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
+ *field = value;
+}
+
void object_property_add_uint8_ptr(Object *obj, const char *name,
- const uint8_t *v, Error **errp)
+ const uint8_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_property_add(obj, name, "uint8", property_get_uint8_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint8_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint8_ptr;
+ }
+
+ object_property_add(obj, name, "uint8",
+ getter, setter, NULL, (void *)v, errp);
}
void object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name,
- const uint8_t *v, Error **errp)
+ const uint8_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_class_property_add(klass, name, "uint8", property_get_uint8_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint8_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint8_ptr;
+ }
+
+ object_class_property_add(klass, name, "uint8",
+ getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint16_ptr(Object *obj, const char *name,
- const uint16_t *v, Error **errp)
+ const uint16_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_property_add(obj, name, "uint16", property_get_uint16_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint16_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint16_ptr;
+ }
+
+ object_property_add(obj, name, "uint16",
+ getter, setter, NULL, (void *)v, errp);
}
void object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name,
- const uint16_t *v, Error **errp)
+ const uint16_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_class_property_add(klass, name, "uint16", property_get_uint16_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint16_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint16_ptr;
+ }
+
+ object_class_property_add(klass, name, "uint16",
+ getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint32_ptr(Object *obj, const char *name,
- const uint32_t *v, Error **errp)
+ const uint32_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_property_add(obj, name, "uint32", property_get_uint32_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint32_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint32_ptr;
+ }
+
+ object_property_add(obj, name, "uint32",
+ getter, setter, NULL, (void *)v, errp);
}
void object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name,
- const uint32_t *v, Error **errp)
+ const uint32_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_class_property_add(klass, name, "uint32", property_get_uint32_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint32_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint32_ptr;
+ }
+
+ object_class_property_add(klass, name, "uint32",
+ getter, setter, NULL, (void *)v, errp);
}
void object_property_add_uint64_ptr(Object *obj, const char *name,
- const uint64_t *v, Error **errp)
+ const uint64_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_property_add(obj, name, "uint64", property_get_uint64_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint64_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint64_ptr;
+ }
+
+ object_property_add(obj, name, "uint64",
+ getter, setter, NULL, (void *)v, errp);
}
void object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name,
- const uint64_t *v, Error **errp)
+ const uint64_t *v,
+ ObjectPropertyFlags flags,
+ Error **errp)
{
- object_class_property_add(klass, name, "uint64", property_get_uint64_ptr,
- NULL, NULL, (void *)v, errp);
+ ObjectPropertyAccessor *getter = NULL;
+ ObjectPropertyAccessor *setter = NULL;
+
+ if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) {
+ getter = property_get_uint64_ptr;
+ }
+
+ if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) {
+ setter = property_set_uint64_ptr;
+ }
+
+ object_class_property_add(klass, name, "uint64",
+ getter, setter, NULL, (void *)v, errp);
}
typedef struct {
diff --git a/ui/console.c b/ui/console.c
index 82d1ddac9c..bcbe65e696 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -1296,8 +1296,8 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type,
object_property_allow_set_link,
OBJ_PROP_LINK_STRONG,
&error_abort);
- object_property_add_uint32_ptr(obj, "head",
- &s->head, &error_abort);
+ object_property_add_uint32_ptr(obj, "head", &s->head,
+ OBJ_PROP_FLAG_READ, &error_abort);
if (!active_console || ((active_console->console_type != GRAPHIC_CONSOLE) &&
(console_type == GRAPHIC_CONSOLE))) {
--
2.20.1
next prev parent reply other threads:[~2019-11-29 17:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-29 17:46 [PATCH v3 0/4] Improve default object property_add uint helpers Felipe Franciosi
2019-11-29 17:46 ` Felipe Franciosi [this message]
2019-11-30 7:50 ` [PATCH v3 1/4] qom/object: enable setter for uint types Marc-André Lureau
2019-12-02 15:06 ` Felipe Franciosi
2019-11-29 17:46 ` [PATCH v3 2/4] ich9: fix getter type for sci_int property Felipe Franciosi
2019-11-30 7:51 ` Marc-André Lureau
2019-11-29 17:46 ` [PATCH v3 3/4] ich9: Simplify ich9_lpc_initfn Felipe Franciosi
2019-11-30 7:52 ` Marc-André Lureau
2019-11-29 17:46 ` [PATCH v3 4/4] qom/object: Use common get/set uint helpers Felipe Franciosi
2019-11-30 7:55 ` Marc-André Lureau
2019-12-02 6:31 ` Alexey Kardashevskiy
2019-12-10 12:04 ` Felipe Franciosi
2019-12-12 1:05 ` Alexey Kardashevskiy
2019-12-17 22:19 ` Felipe Franciosi
2019-12-18 0:19 ` Alexey Kardashevskiy
2019-12-02 15:00 ` [PATCH v3 0/4] Improve default object property_add " Stefan Hajnoczi
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for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).