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xics: add pre_save/post_load dispatchers

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The upcoming support of in-kernel XICS will redefine migration callbacks
for both ICS and ICP so classes and callback pointers are added.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexey Kardashevskiy 2013-09-26 16:18:39 +10:00 committed by Alexander Graf
parent 9ccff2a4d6
commit d1b5682d88
2 changed files with 79 additions and 3 deletions
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56
hw/intc/xics.c
View File

@ -190,11 +190,35 @@ static void icp_irq(XICSState *icp, int server, int nr, uint8_t priority)
}
}
static void icp_dispatch_pre_save(void *opaque)
{
ICPState *ss = opaque;
ICPStateClass *info = ICP_GET_CLASS(ss);
if (info->pre_save) {
info->pre_save(ss);
}
}
static int icp_dispatch_post_load(void *opaque, int version_id)
{
ICPState *ss = opaque;
ICPStateClass *info = ICP_GET_CLASS(ss);
if (info->post_load) {
return info->post_load(ss, version_id);
}
return 0;
}
static const VMStateDescription vmstate_icp_server = {
.name = "icp/server",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.pre_save = icp_dispatch_pre_save,
.post_load = icp_dispatch_post_load,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32(xirr, ICPState),
@ -229,6 +253,7 @@ static TypeInfo icp_info = {
.parent = TYPE_DEVICE,
.instance_size = sizeof(ICPState),
.class_init = icp_class_init,
.class_size = sizeof(ICPStateClass),
};
/*
@ -390,10 +415,9 @@ static void ics_reset(DeviceState *dev)
}
}
static int ics_post_load(void *opaque, int version_id)
static int ics_post_load(ICSState *ics, int version_id)
{
int i;
ICSState *ics = opaque;
for (i = 0; i < ics->icp->nr_servers; i++) {
icp_resend(ics->icp, i);
@ -402,6 +426,28 @@ static int ics_post_load(void *opaque, int version_id)
return 0;
}
static void ics_dispatch_pre_save(void *opaque)
{
ICSState *ics = opaque;
ICSStateClass *info = ICS_GET_CLASS(ics);
if (info->pre_save) {
info->pre_save(ics);
}
}
static int ics_dispatch_post_load(void *opaque, int version_id)
{
ICSState *ics = opaque;
ICSStateClass *info = ICS_GET_CLASS(ics);
if (info->post_load) {
return info->post_load(ics, version_id);
}
return 0;
}
static const VMStateDescription vmstate_ics_irq = {
.name = "ics/irq",
.version_id = 1,
@ -421,7 +467,8 @@ static const VMStateDescription vmstate_ics = {
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
.post_load = ics_post_load,
.pre_save = ics_dispatch_pre_save,
.post_load = ics_dispatch_post_load,
.fields = (VMStateField []) {
/* Sanity check */
VMSTATE_UINT32_EQUAL(nr_irqs, ICSState),
@ -446,10 +493,12 @@ static int ics_realize(DeviceState *dev)
static void ics_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
ICSStateClass *isc = ICS_CLASS(klass);
dc->init = ics_realize;
dc->vmsd = &vmstate_ics;
dc->reset = ics_reset;
isc->post_load = ics_post_load;
}
static TypeInfo ics_info = {
@ -457,6 +506,7 @@ static TypeInfo ics_info = {
.parent = TYPE_DEVICE,
.instance_size = sizeof(ICSState),
.class_init = ics_class_init,
.class_size = sizeof(ICSStateClass),
};
/*

26
include/hw/ppc/xics.h
View File

@ -42,7 +42,9 @@
* that yet)
*/
typedef struct XICSState XICSState;
typedef struct ICPStateClass ICPStateClass;
typedef struct ICPState ICPState;
typedef struct ICSStateClass ICSStateClass;
typedef struct ICSState ICSState;
typedef struct ICSIRQState ICSIRQState;
@ -59,6 +61,18 @@ struct XICSState {
#define TYPE_ICP "icp"
#define ICP(obj) OBJECT_CHECK(ICPState, (obj), TYPE_ICP)
#define ICP_CLASS(klass) \
OBJECT_CLASS_CHECK(ICPStateClass, (klass), TYPE_ICP)
#define ICP_GET_CLASS(obj) \
OBJECT_GET_CLASS(ICPStateClass, (obj), TYPE_ICP)
struct ICPStateClass {
DeviceClass parent_class;
void (*pre_save)(ICPState *s);
int (*post_load)(ICPState *s, int version_id);
};
struct ICPState {
/*< private >*/
DeviceState parent_obj;
@ -72,6 +86,18 @@ struct ICPState {
#define TYPE_ICS "ics"
#define ICS(obj) OBJECT_CHECK(ICSState, (obj), TYPE_ICS)
#define ICS_CLASS(klass) \
OBJECT_CLASS_CHECK(ICSStateClass, (klass), TYPE_ICS)
#define ICS_GET_CLASS(obj) \
OBJECT_GET_CLASS(ICSStateClass, (obj), TYPE_ICS)
struct ICSStateClass {
DeviceClass parent_class;
void (*pre_save)(ICSState *s);
int (*post_load)(ICSState *s, int version_id);
};
struct ICSState {
/*< private >*/
DeviceState parent_obj;