diff options
| author | Matthew Rosato <mjrosato@linux.vnet.ibm.com> | 2014-08-28 11:25:35 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-09-01 09:25:32 +0200 |
| commit | 1def6656b61c65757a02beb0318249e0b1c4e634 (patch) | |
| tree | fe655de7c9034a453f2dfa0bacdeb3ee7e40fc29 /target-s390x | |
| parent | e7f1314f97a8e9e035100e9aa4e9613f245fb00c (diff) | |
sclp-s390: Add memory hotplug SCLPs
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>
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/cpu.h | 15 | ||||
| -rw-r--r-- | target-s390x/kvm.c | 5 |
2 files changed, 20 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h index f2715c6e72..772d513c01 100644 --- a/target-s390x/cpu.h +++ b/target-s390x/cpu.h @@ -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); diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c index 421ff436e4..a85a480c6a 100644 --- a/target-s390x/kvm.c +++ b/target-s390x/kvm.c @@ -1315,3 +1315,8 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch, } return kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick); } + +int kvm_s390_get_memslot_count(KVMState *s) +{ + return kvm_check_extension(s, KVM_CAP_NR_MEMSLOTS); +} |