diff options
Diffstat (limited to 'hw/s390x/css.c')
| -rw-r--r-- | hw/s390x/css.c | 35 |
1 files changed, 4 insertions, 31 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index f6b5c807cd..1c526fd7e2 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -13,7 +13,6 @@ #include "qapi/error.h" #include "qapi/visitor.h" #include "hw/qdev.h" -#include "qemu/error-report.h" #include "qemu/bitops.h" #include "qemu/error-report.h" #include "exec/address-spaces.h" @@ -1723,12 +1722,6 @@ void css_undo_stcrw(CRW *crw) QTAILQ_INSERT_HEAD(&channel_subsys.pending_crws, crw_cont, sibling); } -int css_do_tpi(IOIntCode *int_code, int lowcore) -{ - /* No pending interrupts for !KVM. */ - return 0; - } - int css_collect_chp_desc(int m, uint8_t cssid, uint8_t f_chpid, uint8_t l_chpid, int rfmt, void *buf) { @@ -2370,22 +2363,12 @@ const PropertyInfo css_devid_ro_propinfo = { .get = get_css_devid, }; -SubchDev *css_create_sch(CssDevId bus_id, bool is_virtual, bool squash_mcss, - Error **errp) +SubchDev *css_create_sch(CssDevId bus_id, bool squash_mcss, Error **errp) { uint16_t schid = 0; SubchDev *sch; if (bus_id.valid) { - if (is_virtual != (bus_id.cssid == VIRTUAL_CSSID)) { - error_setg(errp, "cssid %hhx not valid for %s devices", - bus_id.cssid, - (is_virtual ? "virtual" : "non-virtual")); - return NULL; - } - } - - if (bus_id.valid) { if (squash_mcss) { bus_id.cssid = channel_subsys.default_cssid; } else if (!channel_subsys.css[bus_id.cssid]) { @@ -2396,19 +2379,8 @@ SubchDev *css_create_sch(CssDevId bus_id, bool is_virtual, bool squash_mcss, bus_id.devid, &schid, errp)) { return NULL; } - } else if (squash_mcss || is_virtual) { - bus_id.cssid = channel_subsys.default_cssid; - - if (!css_find_free_subch_and_devno(bus_id.cssid, &bus_id.ssid, - &bus_id.devid, &schid, errp)) { - return NULL; - } } else { - for (bus_id.cssid = 0; bus_id.cssid < MAX_CSSID; ++bus_id.cssid) { - if (bus_id.cssid == VIRTUAL_CSSID) { - continue; - } - + for (bus_id.cssid = channel_subsys.default_cssid;;) { if (!channel_subsys.css[bus_id.cssid]) { css_create_css_image(bus_id.cssid, false); } @@ -2418,7 +2390,8 @@ SubchDev *css_create_sch(CssDevId bus_id, bool is_virtual, bool squash_mcss, NULL)) { break; } - if (bus_id.cssid == MAX_CSSID) { + bus_id.cssid = (bus_id.cssid + 1) % MAX_CSSID; + if (bus_id.cssid == channel_subsys.default_cssid) { error_setg(errp, "Virtual channel subsystem is full!"); return NULL; } |