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authorXiao Feng Ren <renxiaof@linux.vnet.ibm.com>2017-05-17 02:48:10 +0200
committerCornelia Huck <cornelia.huck@de.ibm.com>2017-05-19 12:29:01 +0200
commit8ca2b376b47fff58f7ab6f16d86a66d4af3a2be2 (patch)
treee8cfa27be91fd4fc8b4af613163635d8c400d72a /hw/s390x/css.c
parent4886b3e9f00683324c0368b1dec8acb964f4a439 (diff)
s390x/css: introduce and realize ccw-request callback
Introduce a new callback on subchannel to handle ccw-request. Realize the callback in vfio-ccw device. Besides, resort to the event notifier handler to handling the ccw-request results. 1. Pread the I/O results via MMIO region. 2. Update the scsw info to guest. 3. Inject an I/O interrupt to notify guest the I/O result. Acked-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Xiao Feng Ren <renxiaof@linux.vnet.ibm.com> Signed-off-by: Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> Message-Id: <20170517004813.58227-11-bjsdjshi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw/s390x/css.c')
-rw-r--r--hw/s390x/css.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index a8aed9cb3a..462a768f9e 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -259,7 +259,7 @@ uint16_t css_build_subchannel_id(SubchDev *sch)
return css_do_build_subchannel_id(sch->cssid, sch->ssid);
}
-static void css_inject_io_interrupt(SubchDev *sch)
+void css_inject_io_interrupt(SubchDev *sch)
{
uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11;
@@ -671,7 +671,7 @@ static void copy_pmcw_to_guest(PMCW *dest, const PMCW *src)
dest->chars = cpu_to_be32(src->chars);
}
-static void copy_scsw_to_guest(SCSW *dest, const SCSW *src)
+void copy_scsw_to_guest(SCSW *dest, const SCSW *src)
{
dest->flags = cpu_to_be16(src->flags);
dest->ctrl = cpu_to_be16(src->ctrl);