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| author | Eric Farman <farman@linux.ibm.com> | 2021-06-18 01:25:35 +0200 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2021-06-21 08:48:21 +0200 |
| commit | 1b01dedaed41c2ca6129475c22b7b778b109fae8 (patch) | |
| tree | eabdcec9c131dfeaeeb617b8c40c669a622028b5 /hw/s390x | |
| parent | 3fdc622ad79636f3d7f8bed50a53bc28af1850e1 (diff) | |
| download | qemu-1b01dedaed41c2ca6129475c22b7b778b109fae8.zip qemu-1b01dedaed41c2ca6129475c22b7b778b109fae8.tar.gz qemu-1b01dedaed41c2ca6129475c22b7b778b109fae8.tar.bz2 | |
s390x/css: Split out the IRB sense data
Let's move this logic into its own routine,
so it can be reused later.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210617232537.1337506-3-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'hw/s390x')
| -rw-r--r-- | hw/s390x/css.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 2025507..26bd014 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -1639,6 +1639,17 @@ static void copy_irb_to_guest(IRB *dest, const IRB *src, const PMCW *pmcw, *irb_len = sizeof(*dest); } +static void build_irb_sense_data(SubchDev *sch, IRB *irb) +{ + int i; + + /* Attention: sense_data is already BE! */ + memcpy(irb->ecw, sch->sense_data, sizeof(sch->sense_data)); + for (i = 0; i < ARRAY_SIZE(irb->ecw); i++) { + irb->ecw[i] = be32_to_cpu(irb->ecw[i]); + } +} + int css_do_tsch_get_irb(SubchDev *sch, IRB *target_irb, int *irb_len) { SCHIB *schib = &sch->curr_status; @@ -1669,14 +1680,8 @@ int css_do_tsch_get_irb(SubchDev *sch, IRB *target_irb, int *irb_len) /* If a unit check is pending, copy sense data. */ if ((schib->scsw.dstat & SCSW_DSTAT_UNIT_CHECK) && (schib->pmcw.chars & PMCW_CHARS_MASK_CSENSE)) { - int i; - irb.scsw.flags |= SCSW_FLAGS_MASK_ESWF | SCSW_FLAGS_MASK_ECTL; - /* Attention: sense_data is already BE! */ - memcpy(irb.ecw, sch->sense_data, sizeof(sch->sense_data)); - for (i = 0; i < ARRAY_SIZE(irb.ecw); i++) { - irb.ecw[i] = be32_to_cpu(irb.ecw[i]); - } + build_irb_sense_data(sch, &irb); irb.esw.erw = ESW_ERW_SENSE | (sizeof(sch->sense_data) << 8); } } |