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virtio-ccw: fix build breakage on windows

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event_notifier_get_fd() is not available on windows hosts. Fix this by
moving the calls to event_notifier_get_fd() to the kvm code.

Reported-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
Cornelia Huck 2013-06-28 09:28:06 +02:00
parent ffeec223b5
commit cc3ac9c4a6
3 changed files with 12 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/s390x/virtio-ccw.c
View File

@ -79,8 +79,7 @@ static int virtio_ccw_set_guest2host_notifier(VirtioCcwDevice *dev, int n,
return r;
}
virtio_queue_set_host_notifier_fd_handler(vq, true, set_handler);
r = s390_assign_subch_ioeventfd(event_notifier_get_fd(notifier), sch_id,
n, assign);
r = s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
if (r < 0) {
error_report("%s: unable to assign ioeventfd: %d", __func__, r);
virtio_queue_set_host_notifier_fd_handler(vq, false, false);
@ -89,8 +88,7 @@ static int virtio_ccw_set_guest2host_notifier(VirtioCcwDevice *dev, int n,
}
} else {
virtio_queue_set_host_notifier_fd_handler(vq, false, false);
s390_assign_subch_ioeventfd(event_notifier_get_fd(notifier), sch_id,
n, assign);
s390_assign_subch_ioeventfd(notifier, sch_id, n, assign);
event_notifier_cleanup(notifier);
}
return r;

11
target-s390x/cpu.h
View File

@ -1081,7 +1081,8 @@ void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id,
void kvm_s390_crw_mchk(S390CPU *cpu);
void kvm_s390_enable_css_support(S390CPU *cpu);
int kvm_s390_get_registers_partial(CPUState *cpu);
int kvm_s390_assign_subch_ioeventfd(int fd, uint32_t sch, int vq, bool assign);
int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
int vq, bool assign);
#else
static inline void kvm_s390_io_interrupt(S390CPU *cpu,
uint16_t subchannel_id,
@ -1100,7 +1101,8 @@ static inline int kvm_s390_get_registers_partial(CPUState *cpu)
{
return -ENOSYS;
}
static inline int kvm_s390_assign_subch_ioeventfd(int fd, uint32_t sch, int vq,
static inline int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier,
uint32_t sch, int vq,
bool assign)
{
return -ENOSYS;
@ -1131,11 +1133,12 @@ static inline void s390_crw_mchk(S390CPU *cpu)
}
}
static inline int s390_assign_subch_ioeventfd(int fd, uint32_t sch_id, int vq,
static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier,
uint32_t sch_id, int vq,
bool assign)
{
if (kvm_enabled()) {
return kvm_s390_assign_subch_ioeventfd(fd, sch_id, vq, assign);
return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign);
} else {
return -ENOSYS;
}

5
target-s390x/kvm.c
View File

@ -934,12 +934,13 @@ void kvm_arch_init_irq_routing(KVMState *s)
{
}
int kvm_s390_assign_subch_ioeventfd(int fd, uint32_t sch, int vq, bool assign)
int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
int vq, bool assign)
{
struct kvm_ioeventfd kick = {
.flags = KVM_IOEVENTFD_FLAG_VIRTIO_CCW_NOTIFY |
KVM_IOEVENTFD_FLAG_DATAMATCH,
.fd = fd,
.fd = event_notifier_get_fd(notifier),
.datamatch = vq,
.addr = sch,
.len = 8,