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[Qemu-devel] [PULL 12/19] sclp-s390: Add device to manage s390 memory ho
From: |
Christian Borntraeger |
Subject: |
[Qemu-devel] [PULL 12/19] sclp-s390: Add device to manage s390 memory hotplug |
Date: |
Mon, 1 Sep 2014 14:54:23 +0200 |
From: Matthew Rosato <address@hidden>
Add sclpMemoryHotplugDev to contain associated data structures, etc.
Signed-off-by: Matthew Rosato <address@hidden>
Signed-off-by: Christian Borntraeger <address@hidden>
---
hw/s390x/sclp.c | 30 ++++++++++++++++++++++++++++++
include/hw/s390x/sclp.h | 20 ++++++++++++++++++++
2 files changed, 50 insertions(+)
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index d8ddf35..769d7c3 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -183,3 +183,33 @@ void s390_sclp_init(void)
OBJECT(dev), NULL);
qdev_init_nofail(dev);
}
+
+sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void)
+{
+ DeviceState *dev;
+ 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);
+ return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
+}
+
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void)
+{
+ return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
+ TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
+}
+
+static TypeInfo sclp_memory_hotplug_dev_info = {
+ .name = TYPE_SCLP_MEMORY_HOTPLUG_DEV,
+ .parent = TYPE_SYS_BUS_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..5c43574 100644
--- a/include/hw/s390x/sclp.h
+++ b/include/hw/s390x/sclp.h
@@ -37,6 +37,7 @@
#define SCLP_STARTING_SUBINCREMENT_ID 0x10001
#define SCLP_INCREMENT_UNIT 0x10000
#define MAX_AVAIL_SLOTS 32
+#define MAX_STORAGE_INCREMENTS 1020
/* CPU hotplug SCLP codes */
#define SCLP_HAS_CPU_INFO 0x0C00000000000000ULL
@@ -156,6 +157,23 @@ 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 {
+ SysBusDevice 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 increment_size;
+ char *standby_state_map;
+};
+
static inline int sccb_data_len(SCCB *sccb)
{
return be16_to_cpu(sccb->h.length) - sizeof(sccb->h);
@@ -163,6 +181,8 @@ static inline int sccb_data_len(SCCB *sccb)
void s390_sclp_init(void);
+sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void);
+sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void);
void sclp_service_interrupt(uint32_t sccb);
void raise_irq_cpu_hotplug(void);
--
1.8.4.2
- [Qemu-devel] [PULL 14/19] s390-virtio: Apply same memory boundaries as virtio-ccw, (continued)
- [Qemu-devel] [PULL 14/19] s390-virtio: Apply same memory boundaries as virtio-ccw, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 16/19] s390x/gdb: don't touch the cc if tcg is not enabled, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 05/19] pc-bios/s390-ccw: support all virtio block size, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 13/19] virtio-ccw: Include standby memory when calculating storage increment, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 11/19] pc-bios/s390-ccw.img binary update, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 15/19] sclp-s390: Add memory hotplug SCLPs, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 06/19] pc-bios/s390-ccw: handle more ECKD DASD block sizes, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 08/19] pc-bios/s390-ccw Really big EAV ECKD DASD handling, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 17/19] s390x/gdb: add the feature xml files for s390x, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 18/19] s390x/gdb: generate target.xml and handle fp/ac as coprocessors, Christian Borntraeger, 2014/09/01
- [Qemu-devel] [PULL 12/19] sclp-s390: Add device to manage s390 memory hotplug,
Christian Borntraeger <=
- [Qemu-devel] [PULL 19/19] s390x/gdb: coding style fixes, Christian Borntraeger, 2014/09/01
- Re: [Qemu-devel] [PULL 00/19] s390x/kvm: Several updates/fixes/features, Peter Maydell, 2014/09/01