s390x: remove s390_get_memslot_count

Not needed anymore after removal of the memory hotplug code.
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: NDavid Hildenbrand <david@redhat.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

include/hw/s390x/sclp.h

@@ -35,7 +35,6 @@
 #define SCLP_FC_ASSIGN_ATTACH_READ_STOR         0xE00000000000ULL
 #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 */

target/s390x/cpu.c

@@ -437,15 +437,6 @@ void s390_cmma_reset(void)
     }
 }
 
-int s390_get_memslot_count(void)
-{
-    if (kvm_enabled()) {
-        return kvm_s390_get_memslot_count();
-    } else {
-        return MAX_AVAIL_SLOTS;
-    }
-}
-
 int s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch_id,
                                 int vq, bool assign)
 {

target/s390x/cpu.h

@@ -621,9 +621,6 @@ QEMU_BUILD_BUG_ON(sizeof(SysIB) != 4096);
 /* SIGP order code mask corresponding to bit positions 56-63 */
 #define SIGP_ORDER_MASK 0x000000ff
 
-/* from s390-virtio-ccw */
-#define MAX_AVAIL_SLOTS              32
-
 /* machine check interruption code */
 
 /* subclasses */
@@ -695,7 +692,6 @@ int s390_get_clock(uint8_t *tod_high, uint64_t *tod_low);
 int s390_set_clock(uint8_t *tod_high, uint64_t *tod_low);
 void s390_crypto_reset(void);
 bool s390_get_squash_mcss(void);
-int s390_get_memslot_count(void);
 int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit);
 void s390_cmma_reset(void);
 void s390_enable_css_support(S390CPU *cpu);

target/s390x/kvm-stub.c

@@ -84,11 +84,6 @@ void kvm_s390_cmma_reset(void)
 {
 }
 
-int kvm_s390_get_memslot_count(void)
-{
-  return MAX_AVAIL_SLOTS;
-}
-
 void kvm_s390_reset_vcpu(S390CPU *cpu)
 {
 }

target/s390x/kvm.c

@@ -1854,11 +1854,6 @@ 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(void)
-{
-    return kvm_check_extension(kvm_state, KVM_CAP_NR_MEMSLOTS);
-}
-
 int kvm_s390_get_ri(void)
 {
     return cap_ri;

target/s390x/kvm_s390x.h

@@ -30,7 +30,6 @@ int kvm_s390_set_clock_ext(uint8_t *tod_high, uint64_t *tod_clock);
 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_get_memslot_count(void);
 int kvm_s390_cmma_active(void);
 void kvm_s390_cmma_reset(void);
 void kvm_s390_reset_vcpu(S390CPU *cpu);