39     void *host;  member
464 static void qemu_vfio_ram_block_added(RAMBlockNotifier *n, void *host,  in qemu_vfio_ram_block_added()  argument
471     trace_qemu_vfio_ram_block_added(s, host, max_size);  in qemu_vfio_ram_block_added()
472     ret = qemu_vfio_dma_map(s, host, max_size, false, NULL, &local_err);  in qemu_vfio_ram_block_added()
476                           host, max_size);  in qemu_vfio_ram_block_added()
480 static void qemu_vfio_ram_block_removed(RAMBlockNotifier *n, void *host,  in qemu_vfio_ram_block_removed()  argument
484     if (host) {  in qemu_vfio_ram_block_removed()
485         trace_qemu_vfio_ram_block_removed(s, host, max_size);  in qemu_vfio_ram_block_removed()
486         qemu_vfio_dma_unmap(s, host);  in qemu_vfio_ram_block_removed()
532         trace_qemu_vfio_dump_mapping(s->mappings[i].host,  in qemu_vfio_dump_mappings()
539  * Find the mapping entry that contains [host, host + size) and set @index to
542  * is smaller than @host, or -1 if no entry is.
544 static IOVAMapping *qemu_vfio_find_mapping(QEMUVFIOState *s, void *host,  in qemu_vfio_find_mapping()  argument
550     trace_qemu_vfio_find_mapping(s, host);  in qemu_vfio_find_mapping()
560         if (mid->host > host) {  in qemu_vfio_find_mapping()
562         } else if (mid->host < host) {  in qemu_vfio_find_mapping()
568     if (mid->host > host) {  in qemu_vfio_find_mapping()
571                && (mid + 1)->host <= host) {  in qemu_vfio_find_mapping()
576         mid->host <= host && mid->host + mid->size > host) {  in qemu_vfio_find_mapping()
589                                           void *host, size_t size,  in qemu_vfio_add_mapping()  argument
593     IOVAMapping m = {.host = host, .size = size, .iova = iova};  in qemu_vfio_add_mapping()
599     trace_qemu_vfio_new_mapping(s, host, size, index, iova);  in qemu_vfio_add_mapping()
614 static int qemu_vfio_do_mapping(QEMUVFIOState *s, void *host, size_t size,  in qemu_vfio_do_mapping()  argument
621         .vaddr = (uintptr_t)host,  in qemu_vfio_do_mapping()
624     trace_qemu_vfio_do_mapping(s, host, iova, size);  in qemu_vfio_do_mapping()
666             if (!(s->mappings[i].host < s->mappings[i + 1].host)) {  in qemu_vfio_verify_mappings()
671             if (!(s->mappings[i].host + s->mappings[i].size <=  in qemu_vfio_verify_mappings()
672                   s->mappings[i + 1].host)) {  in qemu_vfio_verify_mappings()
745 /* Map [host, host + size) area into a contiguous IOVA address space, and store
750 int qemu_vfio_dma_map(QEMUVFIOState *s, void *host, size_t size,  in qemu_vfio_dma_map()  argument
757     assert(QEMU_PTR_IS_ALIGNED(host, qemu_real_host_page_size()));  in qemu_vfio_dma_map()
759     trace_qemu_vfio_dma_map(s, host, size, temporary, iova);  in qemu_vfio_dma_map()
761     mapping = qemu_vfio_find_mapping(s, host, &index);  in qemu_vfio_dma_map()
763         iova0 = mapping->iova + ((uint8_t *)host - (uint8_t *)mapping->host);  in qemu_vfio_dma_map()
775             mapping = qemu_vfio_add_mapping(s, host, size, index + 1, iova0);  in qemu_vfio_dma_map()
777             ret = qemu_vfio_do_mapping(s, host, size, iova0, errp);  in qemu_vfio_dma_map()
787             ret = qemu_vfio_do_mapping(s, host, size, iova0, errp);  in qemu_vfio_dma_map()
793     trace_qemu_vfio_dma_mapped(s, host, iova0, size);  in qemu_vfio_dma_map()
821 void qemu_vfio_dma_unmap(QEMUVFIOState *s, void *host)  in qemu_vfio_dma_unmap()  argument
826     if (!host) {  in qemu_vfio_dma_unmap()
830     trace_qemu_vfio_dma_unmap(s, host);  in qemu_vfio_dma_unmap()
832     m = qemu_vfio_find_mapping(s, host, &index);  in qemu_vfio_dma_unmap()