1 files changed, 21 insertions, 9 deletions

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6558b09ff579..8b00eb2ddf57 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -39,7 +39,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
         { "exit_instruction", VCPU_STAT(exit_instruction) },
         { "exit_program_interruption", VCPU_STAT(exit_program_interruption) },
         { "exit_instr_and_program_int", VCPU_STAT(exit_instr_and_program) },
-        { "instruction_lctg", VCPU_STAT(instruction_lctg) },
+        { "instruction_lctlg", VCPU_STAT(instruction_lctlg) },
         { "instruction_lctl", VCPU_STAT(instruction_lctl) },
         { "deliver_emergency_signal", VCPU_STAT(deliver_emergency_signal) },
         { "deliver_service_signal", VCPU_STAT(deliver_service_signal) },
@@ -79,10 +79,6 @@ void kvm_arch_hardware_disable(void *garbage)
 {
 }
 
-void decache_vcpus_on_cpu(int cpu)
-{
-}
-
 int kvm_arch_hardware_setup(void)
 {
         return 0;
@@ -116,7 +112,12 @@ long kvm_arch_dev_ioctl(struct file *filp,
 
 int kvm_dev_ioctl_check_extension(long ext)
 {
-        return 0;
+        switch (ext) {
+        case KVM_CAP_USER_MEMORY:
+                return 1;
+        default:
+                return 0;
+        }
 }
 
 /* Section: vm related */
@@ -198,6 +199,7 @@ out_nokvm:
 void kvm_arch_destroy_vm(struct kvm *kvm)
 {
         debug_unregister(kvm->arch.dbf);
+        kvm_free_physmem(kvm);
         free_page((unsigned long)(kvm->arch.sca));
         kfree(kvm);
         module_put(THIS_MODULE);
@@ -250,11 +252,16 @@ static void kvm_s390_vcpu_initial_reset(struct kvm_vcpu *vcpu)
         vcpu->arch.sie_block->gbea = 1;
 }
 
+/* The current code can have up to 256 pages for virtio */
+#define VIRTIODESCSPACE (256ul * 4096ul)
+
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
         atomic_set(&vcpu->arch.sie_block->cpuflags, CPUSTAT_ZARCH);
-        vcpu->arch.sie_block->gmslm = 0xffffffffffUL;
-        vcpu->arch.sie_block->gmsor = 0x000000000000;
+        vcpu->arch.sie_block->gmslm = vcpu->kvm->arch.guest_memsize +
+                                      vcpu->kvm->arch.guest_origin +
+                                      VIRTIODESCSPACE - 1ul;
+        vcpu->arch.sie_block->gmsor = vcpu->kvm->arch.guest_origin;
         vcpu->arch.sie_block->ecb   = 2;
         vcpu->arch.sie_block->eca   = 0xC1002001U;
         setup_timer(&vcpu->arch.ckc_timer, kvm_s390_idle_wakeup,
@@ -273,7 +280,8 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm,
         if (!vcpu)
                 goto out_nomem;
 
-        vcpu->arch.sie_block = (struct sie_block *) get_zeroed_page(GFP_KERNEL);
+        vcpu->arch.sie_block = (struct kvm_s390_sie_block *)
+                                        get_zeroed_page(GFP_KERNEL);
 
         if (!vcpu->arch.sie_block)
                 goto out_free_cpu;
@@ -672,6 +680,10 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
         return 0;
 }
 
+void kvm_arch_flush_shadow(struct kvm *kvm)
+{
+}
+
 gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 {
         return gfn;