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/illumos-gate/usr/src/uts/common/xen/io/
H A Devtchn_dev.c166 unsigned int c, p, bytes1 = 0, bytes2 = 0; in evtchndrv_read() local
210 bytes2 = EVTCHN_RING_MASK(p) * sizeof (evtchn_port_t); in evtchndrv_read()
213 bytes2 = 0; in evtchndrv_read()
219 bytes2 = 0; in evtchndrv_read()
220 } else if ((bytes1 + bytes2) > count) { in evtchndrv_read()
221 bytes2 = count - bytes1; in evtchndrv_read()
225 ((bytes2 != 0) && uiomove(&ep->ring[0], bytes2, UIO_READ, uio))) { in evtchndrv_read()
230 ep->ring_cons += (bytes1 + bytes2) / sizeof (evtchn_port_t); in evtchndrv_read()