From: "xiaoqiang.zhao" <zxq_yx_...@163.com>
Change apic and kvm/apic to use QOM interface.
Includes:
1. APICCommonState now use QOM realizefn
2. Remove DO_UPCAST() for APICCommonState
3. Use type constant
4. Change DeviceState pointers from 'd' to 'dev', sounds better?
Signed-off-by: xiaoqiang zhao <zxq_yx_...@163.com>
---
hw/i386/kvm/apic.c | 40 ++++++++++++++++++----
hw/intc/apic.c | 70 +++++++++++++++++++++++++--------------
hw/intc/apic_common.c | 70 +++++++++++++++++++--------------------
include/hw/i386/apic_internal.h | 1 -
4 files changed, 113 insertions(+), 68 deletions(-)
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 5609063..5733dbb 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -13,6 +13,22 @@
#include "hw/pci/msi.h"
#include "sysemu/kvm.h"
+#define TYPE_KVM_APIC "kvm-apic"
+#define KVM_APIC_CLASS(class) \
+ OBJECT_CLASS_CHECK(KVMAPICClass, (class), TYPE_KVM_APIC)
+#define KVM_APIC_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(KVMAPICClass, (obj), TYPE_KVM_APIC)
+
+/**
+ * KVMAPICClass:
+ * @parent_realize: The parent's realizefn.
+ */
+typedef struct KVMAPICClass {
+ APICCommonClass parent_class;
+
+ DeviceRealize parent_realize;
+} KVMAPICClass;
+
static inline void kvm_apic_set_reg(struct kvm_lapic_state *kapic,
int reg_id, uint32_t val)
{
@@ -25,9 +41,9 @@ static inline uint32_t kvm_apic_get_reg(struct
kvm_lapic_state *kapic,
return *((uint32_t *)(kapic->regs + (reg_id << 4)));
}
-void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic)
+void kvm_put_apic_state(DeviceState *dev, struct kvm_lapic_state *kapic)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
int i;
memset(kapic, 0, sizeof(*kapic));
@@ -51,9 +67,9 @@ void kvm_put_apic_state(DeviceState *d, struct
kvm_lapic_state *kapic)
kvm_apic_set_reg(kapic, 0x3e, s->divide_conf);
}
-void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic)
+void kvm_get_apic_state(DeviceState *dev, struct kvm_lapic_state *kapic)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
int i, v;
s->id = kvm_apic_get_reg(kapic, 0x2) >> 24;
@@ -171,34 +187,44 @@ static const MemoryRegionOps kvm_apic_io_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
-static void kvm_apic_init(APICCommonState *s)
+static void kvm_apic_realize(DeviceState *dev, Error **errp)
{
+ APICCommonState *s = APIC_COMMON(dev);
+ KVMAPICClass *kac = KVM_APIC_GET_CLASS(dev);
+
memory_region_init_io(&s->io_memory, NULL, &kvm_apic_io_ops, s,
"kvm-apic-msi",
APIC_SPACE_SIZE);
if (kvm_has_gsi_routing()) {
msi_supported = true;
}
+
+ kac->parent_realize(dev, errp);
}
static void kvm_apic_class_init(ObjectClass *klass, void *data)
{
APICCommonClass *k = APIC_COMMON_CLASS(klass);
+ KVMAPICClass *kac = KVM_APIC_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
- k->init = kvm_apic_init;
k->set_base = kvm_apic_set_base;
k->set_tpr = kvm_apic_set_tpr;
k->get_tpr = kvm_apic_get_tpr;
k->enable_tpr_reporting = kvm_apic_enable_tpr_reporting;
k->vapic_base_update = kvm_apic_vapic_base_update;
k->external_nmi = kvm_apic_external_nmi;
+
+ kac->parent_realize = dc->realize;
+ dc->realize = kvm_apic_realize;
}
static const TypeInfo kvm_apic_info = {
- .name = "kvm-apic",
+ .name = TYPE_KVM_APIC,
.parent = TYPE_APIC_COMMON,
.instance_size = sizeof(APICCommonState),
.class_init = kvm_apic_class_init,
+ .class_size = sizeof(KVMAPICClass),
};
static void kvm_apic_register_types(void)
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index a913186..0e0f71c 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -32,6 +32,20 @@
#define SYNC_TO_VAPIC 0x2
#define SYNC_ISR_IRR_TO_VAPIC 0x4
+#define TYPE_APIC "apic"
+#define APIC_CLASS(class) OBJECT_CLASS_CHECK(APICClass, (class), TYPE_APIC)
+#define APIC_GET_CLASS(obj) OBJECT_GET_CLASS(APICClass, (obj), TYPE_APIC)
+
+/**
+ * APICClass:
+ * @parent_realize: The parent's realizefn
+ */
+typedef struct APICClass {
+ APICCommonClass parent_class;
+
+ DeviceRealize parent_realize;
+} APICClass;
+
static APICCommonState *local_apics[MAX_APICS + 1];
static void apic_set_irq(APICCommonState *s, int vector_num, int trigger_mode);
@@ -171,9 +185,9 @@ static void apic_local_deliver(APICCommonState *s, int
vector)
}
}
-void apic_deliver_pic_intr(DeviceState *d, int level)
+void apic_deliver_pic_intr(DeviceState *dev, int level)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
if (level) {
apic_local_deliver(s, APIC_LVT_LINT0);
@@ -376,9 +390,9 @@ static void apic_update_irq(APICCommonState *s)
}
}
-void apic_poll_irq(DeviceState *d)
+void apic_poll_irq(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(d);
+ APICCommonState *s = APIC_COMMON(dev);
apic_sync_vapic(s, SYNC_FROM_VAPIC);
apic_update_irq(s);
@@ -482,9 +496,9 @@ static void apic_startup(APICCommonState *s, int vector_num)
cpu_interrupt(CPU(s->cpu), CPU_INTERRUPT_SIPI);
}
-void apic_sipi(DeviceState *d)
+void apic_sipi(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
cpu_reset_interrupt(CPU(s->cpu), CPU_INTERRUPT_SIPI);
@@ -494,11 +508,11 @@ void apic_sipi(DeviceState *d)
s->wait_for_sipi = 0;
}
-static void apic_deliver(DeviceState *d, uint8_t dest, uint8_t dest_mode,
+static void apic_deliver(DeviceState *dev, uint8_t dest, uint8_t dest_mode,
uint8_t delivery_mode, uint8_t vector_num,
uint8_t trigger_mode)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
uint32_t deliver_bitmask[MAX_APIC_WORDS];
int dest_shorthand = (s->icr[0] >> 18) & 3;
APICCommonState *apic_iter;
@@ -551,9 +565,9 @@ static bool apic_check_pic(APICCommonState *s)
return true;
}
-int apic_get_interrupt(DeviceState *d)
+int apic_get_interrupt(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
int intno;
/* if the APIC is installed or enabled, we let the 8259 handle the
@@ -585,9 +599,9 @@ int apic_get_interrupt(DeviceState *d)
return intno;
}
-int apic_accept_pic_intr(DeviceState *d)
+int apic_accept_pic_intr(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
uint32_t lvt0;
if (!s)
@@ -657,16 +671,16 @@ static void apic_mem_writew(void *opaque, hwaddr addr,
uint32_t val)
static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
{
- DeviceState *d;
+ DeviceState *dev;
APICCommonState *s;
uint32_t val;
int index;
- d = cpu_get_current_apic();
- if (!d) {
+ dev = cpu_get_current_apic();
+ if (!dev) {
return 0;
}
- s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ s = APIC_COMMON(dev);
index = (addr >> 4) & 0xff;
switch(index) {
@@ -752,7 +766,7 @@ static void apic_send_msi(hwaddr addr, uint32_t data)
static void apic_mem_writel(void *opaque, hwaddr addr, uint32_t val)
{
- DeviceState *d;
+ DeviceState *dev;
APICCommonState *s;
int index = (addr >> 4) & 0xff;
if (addr > 0xfff || !index) {
@@ -765,11 +779,11 @@ static void apic_mem_writel(void *opaque, hwaddr addr,
uint32_t val)
return;
}
- d = cpu_get_current_apic();
- if (!d) {
+ dev = cpu_get_current_apic();
+ if (!dev) {
return;
}
- s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ s = APIC_COMMON(dev);
trace_apic_mem_writel(addr, val);
@@ -810,7 +824,7 @@ static void apic_mem_writel(void *opaque, hwaddr addr, uint32_t val)
break;
case 0x30:
s->icr[0] = val;
- apic_deliver(d, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
+ apic_deliver(dev, (s->icr[1] >> 24) & 0xff, (s->icr[0] >> 11) & 1,
(s->icr[0] >> 8) & 7, (s->icr[0] & 0xff),
(s->icr[0] >> 15) & 1);
break;
@@ -871,8 +885,11 @@ static const MemoryRegionOps apic_io_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
-static void apic_init(APICCommonState *s)
+static void apic_realize(DeviceState *dev, Error **errp)
{
+ APICCommonState *s = APIC_COMMON(dev);
+ APICClass *ac = APIC_GET_CLASS(dev);
+
memory_region_init_io(&s->io_memory, OBJECT(s), &apic_io_ops, s,
"apic-msi",
APIC_SPACE_SIZE);
@@ -880,13 +897,15 @@ static void apic_init(APICCommonState *s)
local_apics[s->idx] = s;
msi_supported = true;
+ ac->parent_realize(dev, errp);
}
static void apic_class_init(ObjectClass *klass, void *data)
{
APICCommonClass *k = APIC_COMMON_CLASS(klass);
+ APICClass *ac = APIC_CLASS(klass);
+ DeviceClass *dc = DEVICE_CLASS(klass);
- k->init = apic_init;
k->set_base = apic_set_base;
k->set_tpr = apic_set_tpr;
k->get_tpr = apic_get_tpr;
@@ -894,13 +913,16 @@ static void apic_class_init(ObjectClass *klass, void
*data)
k->external_nmi = apic_external_nmi;
k->pre_save = apic_pre_save;
k->post_load = apic_post_load;
+ ac->parent_realize = dc->realize;
+ dc->realize = apic_realize;
}
static const TypeInfo apic_info = {
- .name = "apic",
+ .name = TYPE_APIC,
.instance_size = sizeof(APICCommonState),
.parent = TYPE_APIC_COMMON,
.class_init = apic_class_init,
+ .class_size = sizeof(APICClass),
};
static void apic_register_types(void)
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index a0beb10..e28f996 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -27,21 +27,21 @@
static int apic_irq_delivered;
bool apic_report_tpr_access;
-void cpu_set_apic_base(DeviceState *d, uint64_t val)
+void cpu_set_apic_base(DeviceState *dev, uint64_t val)
{
trace_cpu_set_apic_base(val);
- if (d) {
- APICCommonState *s = APIC_COMMON(d);
+ if (dev) {
+ APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
info->set_base(s, val);
}
}
-uint64_t cpu_get_apic_base(DeviceState *d)
+uint64_t cpu_get_apic_base(DeviceState *dev)
{
- if (d) {
- APICCommonState *s = APIC_COMMON(d);
+ if (dev) {
+ APICCommonState *s = APIC_COMMON(dev);
trace_cpu_get_apic_base((uint64_t)s->apicbase);
return s->apicbase;
} else {
@@ -50,39 +50,39 @@ uint64_t cpu_get_apic_base(DeviceState *d)
}
}
-void cpu_set_apic_tpr(DeviceState *d, uint8_t val)
+void cpu_set_apic_tpr(DeviceState *dev, uint8_t val)
{
APICCommonState *s;
APICCommonClass *info;
- if (!d) {
+ if (!dev) {
return;
}
- s = APIC_COMMON(d);
+ s = APIC_COMMON(dev);
info = APIC_COMMON_GET_CLASS(s);
info->set_tpr(s, val);
}
-uint8_t cpu_get_apic_tpr(DeviceState *d)
+uint8_t cpu_get_apic_tpr(DeviceState *dev)
{
APICCommonState *s;
APICCommonClass *info;
- if (!d) {
+ if (!dev) {
return 0;
}
- s = APIC_COMMON(d);
+ s = APIC_COMMON(dev);
info = APIC_COMMON_GET_CLASS(s);
return info->get_tpr(s);
}
-void apic_enable_tpr_access_reporting(DeviceState *d, bool enable)
+void apic_enable_tpr_access_reporting(DeviceState *dev, bool enable)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
apic_report_tpr_access = enable;
@@ -91,19 +91,19 @@ void apic_enable_tpr_access_reporting(DeviceState *d, bool
enable)
}
}
-void apic_enable_vapic(DeviceState *d, hwaddr paddr)
+void apic_enable_vapic(DeviceState *dev, hwaddr paddr)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
s->vapic_paddr = paddr;
info->vapic_base_update(s);
}
-void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip,
+void apic_handle_tpr_access_report(DeviceState *dev, target_ulong ip,
TPRAccess access)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
vapic_report_tpr_access(s->vapic, CPU(s->cpu), ip, access);
}
@@ -129,9 +129,9 @@ int apic_get_irq_delivered(void)
return apic_irq_delivered;
}
-void apic_deliver_nmi(DeviceState *d)
+void apic_deliver_nmi(DeviceState *dev)
{
- APICCommonState *s = APIC_COMMON(d);
+ APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
info->external_nmi(s);
@@ -170,9 +170,9 @@ bool apic_next_timer(APICCommonState *s, int64_t
current_time)
return true;
}
-void apic_init_reset(DeviceState *d)
+void apic_init_reset(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
int i;
if (!s) {
@@ -203,19 +203,19 @@ void apic_init_reset(DeviceState *d)
s->timer_expiry = -1;
}
-void apic_designate_bsp(DeviceState *d)
+void apic_designate_bsp(DeviceState *dev)
{
- if (d == NULL) {
+ if (dev == NULL) {
return;
}
- APICCommonState *s = APIC_COMMON(d);
+ APICCommonState *s = APIC_COMMON(dev);
s->apicbase |= MSR_IA32_APICBASE_BSP;
}
-static void apic_reset_common(DeviceState *d)
+static void apic_reset_common(DeviceState *dev)
{
- APICCommonState *s = DO_UPCAST(APICCommonState, busdev.qdev, d);
+ APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info = APIC_COMMON_GET_CLASS(s);
bool bsp;
@@ -226,7 +226,7 @@ static void apic_reset_common(DeviceState *d)
s->vapic_paddr = 0;
info->vapic_base_update(s);
- apic_init_reset(d);
+ apic_init_reset(dev);
if (bsp) {
/*
@@ -284,7 +284,7 @@ static int apic_load_old(QEMUFile *f, void *opaque, int
version_id)
return 0;
}
-static int apic_init_common(ICCDevice *dev)
+static void apic_common_realize(DeviceState *dev, Error **errp)
{
APICCommonState *s = APIC_COMMON(dev);
APICCommonClass *info;
@@ -293,12 +293,12 @@ static int apic_init_common(ICCDevice *dev)
static bool mmio_registered;
if (apic_no >= MAX_APICS) {
- return -1;
+ return;
}
s->idx = apic_no++;
info = APIC_COMMON_GET_CLASS(s);
- info->init(s);
+
if (!mmio_registered) {
ICCBus *b = ICC_BUS(qdev_get_parent_bus(DEVICE(dev)));
memory_region_add_subregion(b->apic_address_space, 0, &s->io_memory);
@@ -315,7 +315,6 @@ static int apic_init_common(ICCDevice *dev)
info->enable_tpr_reporting(s, true);
}
- return 0;
}
static void apic_dispatch_pre_save(void *opaque)
@@ -381,14 +380,13 @@ static Property apic_properties_common[] = {
static void apic_common_class_init(ObjectClass *klass, void *data)
{
- ICCDeviceClass *idc = ICC_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
dc->vmsd = &vmstate_apic_common;
dc->reset = apic_reset_common;
dc->no_user = 1;
dc->props = apic_properties_common;
- idc->init = apic_init_common;
+ dc->realize = apic_common_realize;
}
static const TypeInfo apic_common_type = {
@@ -400,9 +398,9 @@ static const TypeInfo apic_common_type = {
.abstract = true,
};
-static void register_types(void)
+static void apic_common_register_types(void)
{
type_register_static(&apic_common_type);
}
-type_init(register_types)
+type_init(apic_common_register_types)
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 1b0a7fb..d900f0a 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -80,7 +80,6 @@ typedef struct APICCommonClass
{
ICCDeviceClass parent_class;
- void (*init)(APICCommonState *s);
void (*set_base)(APICCommonState *s, uint64_t val);
void (*set_tpr)(APICCommonState *s, uint8_t val);
uint8_t (*get_tpr)(APICCommonState *s);
