KVM: PPC: e500: MMU API

[cascardo/linux.git] / include / linux / kvm.h

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c3892fc..fa029ce 100644 (file)
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -162,6 +162,7 @@ struct kvm_pit_config {
 #define KVM_EXIT_INTERNAL_ERROR   17
 #define KVM_EXIT_OSI              18
 #define KVM_EXIT_PAPR_HCALL      19
+#define KVM_EXIT_S390_UCONTROL   20
 
 /* For KVM_EXIT_INTERNAL_ERROR */
 #define KVM_INTERNAL_ERROR_EMULATION 1
@@ -249,6 +250,11 @@ struct kvm_run {
 #define KVM_S390_RESET_CPU_INIT  8
 #define KVM_S390_RESET_IPL       16
                __u64 s390_reset_flags;
+               /* KVM_EXIT_S390_UCONTROL */
+               struct {
+                       __u64 trans_exc_code;
+                       __u32 pgm_code;
+               } s390_ucontrol;
                /* KVM_EXIT_DCR */
                struct {
                        __u32 dcrn;
@@ -273,6 +279,20 @@ struct kvm_run {
                /* Fix the size of the union. */
                char padding[256];
        };
+
+       /*
+        * shared registers between kvm and userspace.
+        * kvm_valid_regs specifies the register classes set by the host
+        * kvm_dirty_regs specified the register classes dirtied by userspace
+        * struct kvm_sync_regs is architecture specific, as well as the
+        * bits for kvm_valid_regs and kvm_dirty_regs
+        */
+       __u64 kvm_valid_regs;
+       __u64 kvm_dirty_regs;
+       union {
+               struct kvm_sync_regs regs;
+               char padding[1024];
+       } s;
 };
 
 /* for KVM_REGISTER_COALESCED_MMIO / KVM_UNREGISTER_COALESCED_MMIO */
@@ -431,6 +451,11 @@ struct kvm_ppc_pvinfo {
 
 #define KVMIO 0xAE
 
+/* machine type bits, to be used as argument to KVM_CREATE_VM */
+#define KVM_VM_S390_UCONTROL   1
+
+#define KVM_S390_SIE_PAGE_OFFSET 1
+
 /*
  * ioctls for /dev/kvm fds:
  */
@@ -556,7 +581,11 @@ struct kvm_ppc_pvinfo {
 #define KVM_CAP_PPC_RMA        65
 #define KVM_CAP_MAX_VCPUS 66       /* returns max vcpus per vm */
 #define KVM_CAP_PPC_PAPR 68
+#define KVM_CAP_SW_TLB 69
 #define KVM_CAP_S390_GMAP 71
+#define KVM_CAP_TSC_DEADLINE_TIMER 72
+#define KVM_CAP_S390_UCONTROL 73
+#define KVM_CAP_SYNC_REGS 74
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -636,6 +665,21 @@ struct kvm_clock_data {
        __u32 pad[9];
 };
 
+#define KVM_MMU_FSL_BOOKE_NOHV         0
+#define KVM_MMU_FSL_BOOKE_HV           1
+
+struct kvm_config_tlb {
+       __u64 params;
+       __u64 array;
+       __u32 mmu_type;
+       __u32 array_len;
+};
+
+struct kvm_dirty_tlb {
+       __u64 bitmap;
+       __u32 num_dirty;
+};
+
 /*
  * ioctls for VM fds
  */
@@ -654,6 +698,17 @@ struct kvm_clock_data {
                                        struct kvm_userspace_memory_region)
 #define KVM_SET_TSS_ADDR          _IO(KVMIO,   0x47)
 #define KVM_SET_IDENTITY_MAP_ADDR _IOW(KVMIO,  0x48, __u64)
+
+/* enable ucontrol for s390 */
+struct kvm_s390_ucas_mapping {
+       __u64 user_addr;
+       __u64 vcpu_addr;
+       __u64 length;
+};
+#define KVM_S390_UCAS_MAP        _IOW(KVMIO, 0x50, struct kvm_s390_ucas_mapping)
+#define KVM_S390_UCAS_UNMAP      _IOW(KVMIO, 0x51, struct kvm_s390_ucas_mapping)
+#define KVM_S390_VCPU_FAULT     _IOW(KVMIO, 0x52, unsigned long)
+
 /* Device model IOC */
 #define KVM_CREATE_IRQCHIP        _IO(KVMIO,   0x60)
 #define KVM_IRQ_LINE              _IOW(KVMIO,  0x61, struct kvm_irq_level)
@@ -762,6 +817,8 @@ struct kvm_clock_data {
 #define KVM_CREATE_SPAPR_TCE     _IOW(KVMIO,  0xa8, struct kvm_create_spapr_tce)
 /* Available with KVM_CAP_RMA */
 #define KVM_ALLOCATE_RMA         _IOR(KVMIO,  0xa9, struct kvm_allocate_rma)
+/* Available with KVM_CAP_SW_TLB */
+#define KVM_DIRTY_TLB            _IOW(KVMIO,  0xaa, struct kvm_dirty_tlb)
 
 #define KVM_DEV_ASSIGN_ENABLE_IOMMU    (1 << 0)