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| author | Xiao Feng Ren <renxiaof@linux.vnet.ibm.com> | 2017-05-17 02:48:10 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2017-05-19 12:29:01 +0200 |
| commit | 8ca2b376b47fff58f7ab6f16d86a66d4af3a2be2 (patch) | |
| tree | e8cfa27be91fd4fc8b4af613163635d8c400d72a /hw/s390x | |
| parent | 4886b3e9f00683324c0368b1dec8acb964f4a439 (diff) | |
| download | qemu-8ca2b376b47fff58f7ab6f16d86a66d4af3a2be2.zip qemu-8ca2b376b47fff58f7ab6f16d86a66d4af3a2be2.tar.gz qemu-8ca2b376b47fff58f7ab6f16d86a66d4af3a2be2.tar.bz2 | |
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')
| -rw-r--r-- | hw/s390x/css.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index a8aed9c..462a768 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); |