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sclp-s390: Add memory hotplug SCLPs

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Add memory information to read SCP info and add handlers for
Read Storage Element Information, Attach Storage Element,
Assign Storage and Unassign Storage.

Signed-off-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Matthew Rosato 2014-08-28 11:25:35 -04:00 • committed by Christian Borntraeger
parent e7f1314f97
commit 1def6656b6
3 changed files with 273 additions and 6 deletions
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15
target-s390x/cpu.h
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@ -1062,6 +1062,7 @@ static inline void cpu_inject_crw_mchk(S390CPU *cpu)
/* from s390-virtio-ccw */
#define MEM_SECTION_SIZE 0x10000000UL
#define MAX_AVAIL_SLOTS 32
/* fpu_helper.c */
uint32_t set_cc_nz_f32(float32 v);
@ -1085,6 +1086,7 @@ void kvm_s390_enable_css_support(S390CPU *cpu);
int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
int vq, bool assign);
int kvm_s390_cpu_restart(S390CPU *cpu);
int kvm_s390_get_memslot_count(KVMState *s);
void kvm_s390_clear_cmma_callback(void *opaque);
#else
static inline void kvm_s390_io_interrupt(uint16_t subchannel_id,
@ -1112,6 +1114,10 @@ static inline int kvm_s390_cpu_restart(S390CPU *cpu)
static inline void kvm_s390_clear_cmma_callback(void *opaque)
{
}
static inline int kvm_s390_get_memslot_count(KVMState *s)
{
return MAX_AVAIL_SLOTS;
}
#endif
static inline void cmma_reset(S390CPU *cpu)
@ -1130,6 +1136,15 @@ static inline int s390_cpu_restart(S390CPU *cpu)
return -ENOSYS;
}
static inline int s390_get_memslot_count(KVMState *s)
{
if (kvm_enabled()) {
return kvm_s390_get_memslot_count(s);
} else {
return MAX_AVAIL_SLOTS;
}
}
void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr,
uint32_t io_int_parm, uint32_t io_int_word);
void s390_crw_mchk(void);