Lines Matching refs:grant
33 static inline dma_addr_t grant_to_dma(grant_ref_t grant) in grant_to_dma() argument
35 return XEN_GRANT_DMA_ADDR_OFF | ((dma_addr_t)grant << XEN_PAGE_SHIFT); in grant_to_dma()
85 grant_ref_t grant; in xen_grant_dma_alloc() local
101 if (gnttab_alloc_grant_reference_seq(n_pages, &grant)) { in xen_grant_dma_alloc()
107 gnttab_grant_foreign_access_ref(grant + i, data->backend_domid, in xen_grant_dma_alloc()
111 *dma_handle = grant_to_dma(grant); in xen_grant_dma_alloc()
121 grant_ref_t grant; in xen_grant_dma_free() local
130 grant = dma_to_grant(dma_handle); in xen_grant_dma_free()
133 if (unlikely(!gnttab_end_foreign_access_ref(grant + i))) { in xen_grant_dma_free()
140 gnttab_free_grant_reference_seq(grant, n_pages); in xen_grant_dma_free()
175 grant_ref_t grant; in xen_grant_dma_map_page() local
188 if (gnttab_alloc_grant_reference_seq(n_pages, &grant)) in xen_grant_dma_map_page()
192 gnttab_grant_foreign_access_ref(grant + i, data->backend_domid, in xen_grant_dma_map_page()
197 dma_handle = grant_to_dma(grant) + dma_offset; in xen_grant_dma_map_page()
209 grant_ref_t grant; in xen_grant_dma_unmap_page() local
221 grant = dma_to_grant(dma_handle); in xen_grant_dma_unmap_page()
224 if (unlikely(!gnttab_end_foreign_access_ref(grant + i))) { in xen_grant_dma_unmap_page()
231 gnttab_free_grant_reference_seq(grant, n_pages); in xen_grant_dma_unmap_page()