From: Cédric Le Goater <c...@kaod.org>
Also use an 'sPAPRRTCState' attribute under the sPAPR machine to hold
the RTC object. Overall, these changes remove an unnecessary and
implicit dependency on SysBus.
Signed-off-by: Cédric Le Goater <c...@kaod.org>
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
hw/ppc/spapr.c | 16 ++++++++--------
hw/ppc/spapr_events.c | 2 +-
hw/ppc/spapr_rtc.c | 41 +++++++----------------------------------
include/hw/ppc/spapr.h | 21 ++++++++++++++++-----
include/hw/ppc/xics.h | 2 +-
5 files changed, 33 insertions(+), 49 deletions(-)
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index de5db75..3edc3dd 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1333,13 +1333,13 @@ static void spapr_create_nvram(sPAPRMachineState *spapr)
static void spapr_rtc_create(sPAPRMachineState *spapr)
{
- DeviceState *dev = qdev_create(NULL, TYPE_SPAPR_RTC);
-
- qdev_init_nofail(dev);
- spapr->rtc = dev;
-
- object_property_add_alias(qdev_get_machine(), "rtc-time",
- OBJECT(spapr->rtc), "date", NULL);
+ object_initialize(&spapr->rtc, sizeof(spapr->rtc), TYPE_SPAPR_RTC);
+ object_property_add_child(OBJECT(spapr), "rtc", OBJECT(&spapr->rtc),
+ &error_fatal);
+ object_property_set_bool(OBJECT(&spapr->rtc), true, "realized",
+ &error_fatal);
+ object_property_add_alias(OBJECT(spapr), "rtc-time", OBJECT(&spapr->rtc),
+ "date", &error_fatal);
}
/* Returns whether we want to use VGA or not */
@@ -1377,7 +1377,7 @@ static int spapr_post_load(void *opaque, int version_id)
* So when migrating from those versions, poke the incoming offset
* value into the RTC device */
if (version_id < 3) {
- err = spapr_rtc_import_offset(spapr->rtc, spapr->rtc_offset);
+ err = spapr_rtc_import_offset(&spapr->rtc, spapr->rtc_offset);
}
return err;
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index 24a5758..f0b28d8 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -422,7 +422,7 @@ static void spapr_init_maina(struct rtas_event_log_v6_maina
*maina,
maina->hdr.section_id = cpu_to_be16(RTAS_LOG_V6_SECTION_ID_MAINA);
maina->hdr.section_length = cpu_to_be16(sizeof(*maina));
/* FIXME: section version, subtype and creator id? */
- spapr_rtc_read(spapr->rtc, &tm, NULL);
+ spapr_rtc_read(&spapr->rtc, &tm, NULL);
year = tm.tm_year + 1900;
maina->creation_date = cpu_to_be32((to_bcd(year / 100) << 24)
| (to_bcd(year % 100) << 16)
diff --git a/hw/ppc/spapr_rtc.c b/hw/ppc/spapr_rtc.c
index 3a17ac4..00a4e4c 100644
--- a/hw/ppc/spapr_rtc.c
+++ b/hw/ppc/spapr_rtc.c
@@ -33,19 +33,8 @@
#include "qapi-event.h"
#include "qemu/cutils.h"
-#define SPAPR_RTC(obj) \
- OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
-
-typedef struct sPAPRRTCState sPAPRRTCState;
-struct sPAPRRTCState {
- /*< private >*/
- SysBusDevice parent_obj;
- int64_t ns_offset;
-};
-
-void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns)
+void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns)
{
- sPAPRRTCState *rtc = SPAPR_RTC(dev);
int64_t host_ns = qemu_clock_get_ns(rtc_clock);
int64_t guest_ns;
time_t guest_s;
@@ -63,16 +52,12 @@ void spapr_rtc_read(DeviceState *dev, struct tm *tm,
uint32_t *ns)
}
}
-int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset)
+int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset)
{
- sPAPRRTCState *rtc;
-
- if (!dev) {
+ if (!rtc) {
return -ENODEV;
}
- rtc = SPAPR_RTC(dev);
-
rtc->ns_offset = legacy_offset * NANOSECONDS_PER_SECOND;
return 0;
@@ -91,12 +76,7 @@ static void rtas_get_time_of_day(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
return;
}
- if (!spapr->rtc) {
- rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
- return;
- }
-
- spapr_rtc_read(spapr->rtc, &tm, &ns);
+ spapr_rtc_read(&spapr->rtc, &tm, &ns);
rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, tm.tm_year + 1900);
@@ -113,7 +93,7 @@ static void rtas_set_time_of_day(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
target_ulong args,
uint32_t nret, target_ulong rets)
{
- sPAPRRTCState *rtc;
+ sPAPRRTCState *rtc = &spapr->rtc;
struct tm tm;
time_t new_s;
int64_t host_ns;
@@ -123,11 +103,6 @@ static void rtas_set_time_of_day(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
return;
}
- if (!spapr->rtc) {
- rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
- return;
- }
-
tm.tm_year = rtas_ld(args, 0) - 1900;
tm.tm_mon = rtas_ld(args, 1) - 1;
tm.tm_mday = rtas_ld(args, 2);
@@ -144,8 +119,6 @@ static void rtas_set_time_of_day(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
/* Generate a monitor event for the change */
qapi_event_send_rtc_change(qemu_timedate_diff(&tm), &error_abort);
- rtc = SPAPR_RTC(spapr->rtc);
-
host_ns = qemu_clock_get_ns(rtc_clock);
rtc->ns_offset = (new_s * NANOSECONDS_PER_SECOND) - host_ns;
@@ -155,7 +128,7 @@ static void rtas_set_time_of_day(PowerPCCPU *cpu,
sPAPRMachineState *spapr,
static void spapr_rtc_qom_date(Object *obj, struct tm *current_tm, Error
**errp)
{
- spapr_rtc_read(DEVICE(obj), current_tm, NULL);
+ spapr_rtc_read(SPAPR_RTC(obj), current_tm, NULL);
}
static void spapr_rtc_realize(DeviceState *dev, Error **errp)
@@ -200,7 +173,7 @@ static void spapr_rtc_class_init(ObjectClass *oc, void
*data)
static const TypeInfo spapr_rtc_info = {
.name = TYPE_SPAPR_RTC,
- .parent = TYPE_SYS_BUS_DEVICE,
+ .parent = TYPE_DEVICE,
.instance_size = sizeof(sPAPRRTCState),
.class_init = spapr_rtc_class_init,
};
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 808aac8..ba9e689 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -20,6 +20,18 @@ typedef struct sPAPREventSource sPAPREventSource;
#define SPAPR_TIMEBASE_FREQ 512000000ULL
+#define TYPE_SPAPR_RTC "spapr-rtc"
+
+#define SPAPR_RTC(obj) \
+ OBJECT_CHECK(sPAPRRTCState, (obj), TYPE_SPAPR_RTC)
+
+typedef struct sPAPRRTCState sPAPRRTCState;
+struct sPAPRRTCState {
+ /*< private >*/
+ DeviceState parent_obj;
+ int64_t ns_offset;
+};
+
typedef struct sPAPRMachineClass sPAPRMachineClass;
#define TYPE_SPAPR_MACHINE "spapr-machine"
@@ -58,7 +70,7 @@ struct sPAPRMachineState {
QLIST_HEAD(, sPAPRPHBState) phbs;
struct sPAPRNVRAM *nvram;
ICSState *ics;
- DeviceState *rtc;
+ sPAPRRTCState rtc;
void *htab;
uint32_t htab_shift;
@@ -629,11 +641,10 @@ struct sPAPRConfigureConnectorState {
void spapr_ccs_reset_hook(void *opaque);
-#define TYPE_SPAPR_RTC "spapr-rtc"
-#define TYPE_SPAPR_RNG "spapr-rng"
+void spapr_rtc_read(sPAPRRTCState *rtc, struct tm *tm, uint32_t *ns);
+int spapr_rtc_import_offset(sPAPRRTCState *rtc, int64_t legacy_offset);
-void spapr_rtc_read(DeviceState *dev, struct tm *tm, uint32_t *ns);
-int spapr_rtc_import_offset(DeviceState *dev, int64_t legacy_offset);
+#define TYPE_SPAPR_RNG "spapr-rng"
int spapr_rng_populate_dt(void *fdt);
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 9a5e715..ce23018 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -28,7 +28,7 @@
#ifndef XICS_H
#define XICS_H
-#include "hw/sysbus.h"
+#include "hw/qdev.h"
#define XICS_IPI 0x2
#define XICS_BUID 0x1
--
2.9.3
