diff options
Diffstat (limited to 'hw/vfio/ccw.c')
| -rw-r--r-- | hw/vfio/ccw.c | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c index 9246729a75..31dd3a2a87 100644 --- a/hw/vfio/ccw.c +++ b/hw/vfio/ccw.c @@ -21,12 +21,12 @@ #include "hw/vfio/vfio.h" #include "hw/vfio/vfio-common.h" #include "hw/s390x/s390-ccw.h" +#include "hw/s390x/vfio-ccw.h" #include "hw/s390x/ccw-device.h" #include "exec/address-spaces.h" #include "qemu/error-report.h" -#define TYPE_VFIO_CCW "vfio-ccw" -typedef struct VFIOCCWDevice { +struct VFIOCCWDevice { S390CCWDevice cdev; VFIODevice vdev; uint64_t io_region_size; @@ -35,7 +35,7 @@ typedef struct VFIOCCWDevice { EventNotifier io_notifier; bool force_orb_pfch; bool warned_orb_pfch; -} VFIOCCWDevice; +}; static inline void warn_once_pfch(VFIOCCWDevice *vcdev, SubchDev *sch, const char *msg) @@ -130,8 +130,8 @@ static void vfio_ccw_io_notifier_handler(void *opaque) S390CCWDevice *cdev = S390_CCW_DEVICE(vcdev); CcwDevice *ccw_dev = CCW_DEVICE(cdev); SubchDev *sch = ccw_dev->sch; - SCSW *s = &sch->curr_status.scsw; - PMCW *p = &sch->curr_status.pmcw; + SCHIB *schib = &sch->curr_status; + SCSW s; IRB irb; int size; @@ -145,33 +145,33 @@ static void vfio_ccw_io_notifier_handler(void *opaque) switch (errno) { case ENODEV: /* Generate a deferred cc 3 condition. */ - s->flags |= SCSW_FLAGS_MASK_CC; - s->ctrl &= ~SCSW_CTRL_MASK_STCTL; - s->ctrl |= (SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND); + schib->scsw.flags |= SCSW_FLAGS_MASK_CC; + schib->scsw.ctrl &= ~SCSW_CTRL_MASK_STCTL; + schib->scsw.ctrl |= (SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND); goto read_err; case EFAULT: /* Memory problem, generate channel data check. */ - s->ctrl &= ~SCSW_ACTL_START_PEND; - s->cstat = SCSW_CSTAT_DATA_CHECK; - s->ctrl &= ~SCSW_CTRL_MASK_STCTL; - s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | + schib->scsw.ctrl &= ~SCSW_ACTL_START_PEND; + schib->scsw.cstat = SCSW_CSTAT_DATA_CHECK; + schib->scsw.ctrl &= ~SCSW_CTRL_MASK_STCTL; + schib->scsw.ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; goto read_err; default: /* Error, generate channel program check. */ - s->ctrl &= ~SCSW_ACTL_START_PEND; - s->cstat = SCSW_CSTAT_PROG_CHECK; - s->ctrl &= ~SCSW_CTRL_MASK_STCTL; - s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | + schib->scsw.ctrl &= ~SCSW_ACTL_START_PEND; + schib->scsw.cstat = SCSW_CSTAT_PROG_CHECK; + schib->scsw.ctrl &= ~SCSW_CTRL_MASK_STCTL; + schib->scsw.ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; goto read_err; } } else if (size != vcdev->io_region_size) { /* Information transfer error, generate channel-control check. */ - s->ctrl &= ~SCSW_ACTL_START_PEND; - s->cstat = SCSW_CSTAT_CHN_CTRL_CHK; - s->ctrl &= ~SCSW_CTRL_MASK_STCTL; - s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | + schib->scsw.ctrl &= ~SCSW_ACTL_START_PEND; + schib->scsw.cstat = SCSW_CSTAT_CHN_CTRL_CHK; + schib->scsw.ctrl &= ~SCSW_CTRL_MASK_STCTL; + schib->scsw.ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY | SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; goto read_err; } @@ -179,11 +179,13 @@ static void vfio_ccw_io_notifier_handler(void *opaque) memcpy(&irb, region->irb_area, sizeof(IRB)); /* Update control block via irb. */ - copy_scsw_to_guest(s, &irb.scsw); + s = schib->scsw; + copy_scsw_to_guest(&s, &irb.scsw); + schib->scsw = s; /* If a uint check is pending, copy sense data. */ - if ((s->dstat & SCSW_DSTAT_UNIT_CHECK) && - (p->chars & PMCW_CHARS_MASK_CSENSE)) { + if ((schib->scsw.dstat & SCSW_DSTAT_UNIT_CHECK) && + (schib->pmcw.chars & PMCW_CHARS_MASK_CSENSE)) { memcpy(sch->sense_data, irb.ecw, sizeof(irb.ecw)); } |