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authorMatthew Rosato <mjrosato@linux.vnet.ibm.com>2014-08-28 11:25:32 -0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-09-01 09:25:32 +0200
commit0844df77fdf9cd115a3b8f414333d41b3a88bc9d (patch)
tree388bf334ef6e44fefa3ce074ab720928def46909 /include/hw/s390x/sclp.h
parentf3602219884127c6f15958148c540302db5cf77b (diff)
sclp-s390: Add device to manage s390 memory hotplug
Add sclpMemoryHotplugDev to contain associated data structures, etc. Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'include/hw/s390x/sclp.h')
-rw-r--r--include/hw/s390x/sclp.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/hw/s390x/sclp.h b/include/hw/s390x/sclp.h
index 7ef16226df..5c435749e1 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);