Commit c35fc6aa authored by Dong Jia Shi's avatar Dong Jia Shi Committed by Cornelia Huck
Browse files

s390x/css: introduce read-only property type for device ids 



Let's introduce a read-only property type that handles device ids of the
CssDevId type used for channel devices for future use. e.g. exposing the
busid of an I/O subchannel that is assigned to a ccw device.

Signed-off-by: default avatarDong Jia Shi <bjsdjshi@linux.vnet.ibm.com>
Signed-off-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
parent 229913f0

hw/s390x/css.c

+7 −0
Original line number Diff line number Diff line
@@ -1894,6 +1894,13 @@ PropertyInfo css_devid_propinfo = { 
    .set = set_css_devid,

};



PropertyInfo css_devid_ro_propinfo = {

    .name = "str",

    .description = "Read-only identifier of an I/O device in the channel "

                   "subsystem, example: fe.1.23ab",

    .get = get_css_devid,

};



SubchDev *css_create_virtual_sch(CssDevId bus_id, Error **errp)

{

    uint16_t schid = 0;

include/hw/s390x/css.h

+5 −0
Original line number Diff line number Diff line
@@ -172,6 +172,11 @@ extern PropertyInfo css_devid_propinfo; 
#define DEFINE_PROP_CSS_DEV_ID(_n, _s, _f) \

    DEFINE_PROP(_n, _s, _f, css_devid_propinfo, CssDevId)



extern PropertyInfo css_devid_ro_propinfo;



#define DEFINE_PROP_CSS_DEV_ID_RO(_n, _s, _f) \

    DEFINE_PROP(_n, _s, _f, css_devid_ro_propinfo, CssDevId)



/**

 * Create a subchannel for the given bus id.

 *