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[Qemu-devel] [PATCH v2 3/5] sclp-s390: Add device to manage s390 memory
From: |
Matthew Rosato |
Subject: |
[Qemu-devel] [PATCH v2 3/5] sclp-s390: Add device to manage s390 memory hotplug |
Date: |
Mon, 24 Feb 2014 16:30:51 -0500 |
Add sclpMemoryHotplugDev to contain associated data structures, etc.
Signed-off-by: Matthew Rosato <address@hidden>
---
hw/s390x/sclp.c | 32 ++++++++++++++++++++++++++++++++
include/hw/s390x/sclp.h | 19 +++++++++++++++++++
2 files changed, 51 insertions(+)
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index d8ddf35..338dbdf 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -183,3 +183,35 @@ void s390_sclp_init(void)
OBJECT(dev), NULL);
qdev_init_nofail(dev);
}
+
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void)
+{
+ DeviceState *dev;
+ ObjectProperty *op = object_property_find(qdev_get_machine(),
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ NULL);
+ if (!op) {
+ dev = qdev_create(NULL, TYPE_SCLP_MEMORY_HOTPLUG_DEV);
+ object_property_add_child(qdev_get_machine(),
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ OBJECT(dev), NULL);
+ qdev_init_nofail(dev);
+ op = object_property_find(qdev_get_machine(),
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ NULL);
+ }
+
+ return op->opaque;
+}
+
+static TypeInfo sclp_memory_hotplug_dev_info = {
+ .name = TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(sclpMemoryHotplugDev),
+};
+
+static void register_types(void)
+{
+ type_register_static(&sclp_memory_hotplug_dev_info);
+}
+type_init(register_types);
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index 7ef1622..bbcc181 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -156,6 +156,24 @@ typedef struct SCCB {
char data[SCCB_DATA_LEN];
} QEMU_PACKED SCCB;
+typedef struct sclpMemoryHotplugDev sclpMemoryHotplugDev;
+
+#define TYPE_SCLP_MEMORY_HOTPLUG_DEV "sclp-memory-hotplug-dev"
+#define SCLP_MEMORY_HOTPLUG_DEV(obj) \
+ OBJECT_CHECK(sclpMemoryHotplugDev, (obj), TYPE_SCLP_MEMORY_HOTPLUG_DEV)
+
+struct sclpMemoryHotplugDev {
+ DeviceState parent;
+ ram_addr_t standby_mem_size;
+ ram_addr_t padded_ram_size;
+ ram_addr_t pad_size;
+ ram_addr_t standby_subregion_size;
+ ram_addr_t rzm;
+ int shift;
+ char *standby_state_map;
+};
+
+
static inline int sccb_data_len(SCCB *sccb)
{
return be16_to_cpu(sccb->h.length) - sizeof(sccb->h);
@@ -163,6 +181,7 @@ static inline int sccb_data_len(SCCB *sccb)
void s390_sclp_init(void);
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void);
void sclp_service_interrupt(uint32_t sccb);
void raise_irq_cpu_hotplug(void);
--
1.7.9.5
- [Qemu-devel] [PATCH v2 0/5] s390: Support for Hotplug of Standby Memory, Matthew Rosato, 2014/02/24
- [Qemu-devel] [PATCH v2 1/5] vl: convert -m to QemuOpts, Matthew Rosato, 2014/02/24
- [Qemu-devel] [PATCH v2 2/5] vl.c: extend -m option to support options for memory hotplug, Matthew Rosato, 2014/02/24
- [Qemu-devel] [PATCH v2 3/5] sclp-s390: Add device to manage s390 memory hotplug,
Matthew Rosato <=
- [Qemu-devel] [PATCH v2 4/5] virtio-ccw: Include standby memory when calculating storage increment, Matthew Rosato, 2014/02/24
- [Qemu-devel] [PATCH v2 5/5] sclp-s390: Add memory hotplug SCLPs, Matthew Rosato, 2014/02/24
- Re: [Qemu-devel] [PATCH v2 0/5] s390: Support for Hotplug of Standby Memory, Christian Borntraeger, 2014/02/26