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s390: Wire up channel I/O in kvm.

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Trigger the code for our virtual css in case of instruction
intercepts for I/O instructions.

Handle the tsch exit for the subchannel-related part of tsch.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Cornelia Huck 2013-01-24 02:28:07 +00:00 • committed by Alexander Graf
parent df1fe5bb49
commit 09b9987829
2 changed files with 237 additions and 13 deletions
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11
target-s390x/cpu.h
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@ -1058,6 +1058,13 @@ void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp,
#include <sysemu/kvm.h>
#ifdef CONFIG_KVM
void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id,
uint16_t subchannel_nr, uint32_t io_int_parm,
uint32_t io_int_word);
void kvm_s390_crw_mchk(S390CPU *cpu);
void kvm_s390_enable_css_support(S390CPU *cpu);
#else
static inline void kvm_s390_io_interrupt(S390CPU *cpu,
uint16_t subchannel_id,
uint16_t subchannel_nr,
@ -1068,6 +1075,10 @@ static inline void kvm_s390_io_interrupt(S390CPU *cpu,
static inline void kvm_s390_crw_mchk(S390CPU *cpu)
{
}
static inline void kvm_s390_enable_css_support(S390CPU *cpu)
{
}
#endif
static inline void s390_io_interrupt(S390CPU *cpu,
uint16_t subchannel_id,