MIPS: KVM: Add MSA exception handling

[linux-2.6-block.git] / arch / mips / include / asm / kvm_host.h

diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 1dc0dca15cbd746962f2184e224902bb389c5454..4c25823563fe16dfe8f4008351c111eb0dd5c4ad 100644 (file)
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -123,7 +123,9 @@ struct kvm_vcpu_stat {
        u32 resvd_inst_exits;
        u32 break_inst_exits;
        u32 trap_inst_exits;
+       u32 msa_fpe_exits;
        u32 fpe_exits;
+       u32 msa_disabled_exits;
        u32 flush_dcache_exits;
        u32 halt_successful_poll;
        u32 halt_wakeup;
@@ -144,7 +146,9 @@ enum kvm_mips_exit_types {
        RESVD_INST_EXITS,
        BREAK_INST_EXITS,
        TRAP_INST_EXITS,
+       MSA_FPE_EXITS,
        FPE_EXITS,
+       MSA_DISABLED_EXITS,
        FLUSH_DCACHE_EXITS,
        MAX_KVM_MIPS_EXIT_TYPES
 };
@@ -305,6 +309,7 @@ enum mips_mmu_types {
  */
 #define T_TRAP                 13      /* Trap instruction */
 #define T_VCEI                 14      /* Virtual coherency exception */
+#define T_MSAFPE               14      /* MSA floating point exception */
 #define T_FPE                  15      /* Floating point exception */
 #define T_MSADIS               21      /* MSA disabled exception */
 #define T_WATCH                        23      /* Watch address reference */
@@ -601,6 +606,7 @@ struct kvm_mips_callbacks {
        int (*handle_res_inst)(struct kvm_vcpu *vcpu);
        int (*handle_break)(struct kvm_vcpu *vcpu);
        int (*handle_trap)(struct kvm_vcpu *vcpu);
+       int (*handle_msa_fpe)(struct kvm_vcpu *vcpu);
        int (*handle_fpe)(struct kvm_vcpu *vcpu);
        int (*handle_msa_disabled)(struct kvm_vcpu *vcpu);
        int (*vm_init)(struct kvm *kvm);
@@ -756,11 +762,21 @@ extern enum emulation_result kvm_mips_emulate_trap_exc(unsigned long cause,
                                                       struct kvm_run *run,
                                                       struct kvm_vcpu *vcpu);
 
+extern enum emulation_result kvm_mips_emulate_msafpe_exc(unsigned long cause,
+                                                        uint32_t *opc,
+                                                        struct kvm_run *run,
+                                                        struct kvm_vcpu *vcpu);
+
 extern enum emulation_result kvm_mips_emulate_fpe_exc(unsigned long cause,
                                                      uint32_t *opc,
                                                      struct kvm_run *run,
                                                      struct kvm_vcpu *vcpu);
 
+extern enum emulation_result kvm_mips_emulate_msadis_exc(unsigned long cause,
+                                                        uint32_t *opc,
+                                                        struct kvm_run *run,
+                                                        struct kvm_vcpu *vcpu);
+
 extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
                                                         struct kvm_run *run);