diff options
Diffstat (limited to 'hw/s390x/css.c')
| -rw-r--r-- | hw/s390x/css.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 343c352..e83bf60 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -49,6 +49,7 @@ typedef struct IoAdapter { typedef struct ChannelSubSys { QTAILQ_HEAD(, CrwContainer) pending_crws; + bool sei_pending; bool do_crw_mchk; bool crws_lost; uint8_t max_cssid; @@ -701,7 +702,7 @@ int css_do_csch(SubchDev *sch) /* Trigger the clear function. */ s->ctrl &= ~(SCSW_CTRL_MASK_FCTL | SCSW_CTRL_MASK_ACTL); - s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_CLEAR_FUNC; + s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_ACTL_CLEAR_PEND; do_subchannel_work(sch, NULL); ret = 0; @@ -1359,7 +1360,15 @@ void css_generate_chp_crws(uint8_t cssid, uint8_t chpid) void css_generate_css_crws(uint8_t cssid) { - css_queue_crw(CRW_RSC_CSS, 0, 0, cssid); + if (!channel_subsys->sei_pending) { + css_queue_crw(CRW_RSC_CSS, 0, 0, cssid); + } + channel_subsys->sei_pending = true; +} + +void css_clear_sei_pending(void) +{ + channel_subsys->sei_pending = false; } int css_enable_mcsse(void) @@ -1509,6 +1518,7 @@ static void css_init(void) { channel_subsys = g_malloc0(sizeof(*channel_subsys)); QTAILQ_INIT(&channel_subsys->pending_crws); + channel_subsys->sei_pending = false; channel_subsys->do_crw_mchk = true; channel_subsys->crws_lost = false; channel_subsys->chnmon_active = false; @@ -1561,6 +1571,7 @@ void css_reset(void) QTAILQ_REMOVE(&channel_subsys->pending_crws, crw_cont, sibling); g_free(crw_cont); } + channel_subsys->sei_pending = false; channel_subsys->do_crw_mchk = true; channel_subsys->crws_lost = false; |