pci_dma_hdl_t
if ((mp = kmem_alloc(sizeof (pci_dma_hdl_t), sleep)) == 0) {
kmem_free(mp, sizeof (pci_dma_hdl_t));
mp = kmem_zalloc(sizeof (pci_dma_hdl_t), KM_SLEEP);
kmem_free(mp, sizeof (pci_dma_hdl_t));
kmem_free(mp, sizeof (pci_dma_hdl_t));
&(((pci_dma_hdl_t *)(mp))->pdh_cbcookie[i]) : NULL)
#define DEV_ATTR(mp) (&((pci_dma_hdl_t *)(mp))->pdh_attr_dev)
#define SYNC_BUF_PA(mp) (((pci_dma_hdl_t *)(mp))->pdh_sync_buf_pa)
(((pci_dma_hdl_t *)(mp))->pdh_cbcookie[i]) : NULL)