rxbr_dsize
return (rbr->rxbr_dsize -
VMBUS_BR_WAVAIL(rindex, windex, rbr->rxbr_dsize));
canwrite_size = rbr->rxbr_dsize - vmbus_rxbr_avail(rbr);
uint32_t br_dsize = rbr->rxbr_dsize;
uint32_t br_dsize = rbr->rxbr_dsize;
uint32_t rindex, br_dsize0 = rbr->rxbr_dsize;
uint32_t rindex, br_dsize = rbr->rxbr_dsize;
uint32_t rindex, br_dsize = rbr->rxbr_dsize;
uint32_t rindex, br_dsize = rbr->rxbr_dsize;