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Lines Matching refs:sgt

44 sg_alloc_table(struct sg_table *sgt, unsigned npgs, gfp_t gfp)
47 	sgt->sgl->sg_pgs = kcalloc(npgs, sizeof(sgt->sgl->sg_pgs[0]), gfp);
48 	if (sgt->sgl->sg_pgs == NULL)
50 	sgt->sgl->sg_npgs = sgt->nents = npgs;
51 	sgt->sgl->sg_dmamap = NULL;
57 __sg_alloc_table_from_pages(struct sg_table *sgt, struct page **pgs,
67 	ret = sg_alloc_table(sgt, npgs, gfp);
72 		sgt->sgl->sg_pgs[i] = pgs[i];
78 sg_alloc_table_from_pages(struct sg_table *sgt, struct page **pgs,
82 	return __sg_alloc_table_from_pages(sgt, pgs, npgs, offset, size,
87 sg_alloc_table_from_bus_dmamem(struct sg_table *sgt, bus_dma_tag_t dmat,
109 	ret = sg_alloc_table(sgt, npgs, gfp);
114 	ret = -bus_dmamem_export_pages(dmat, seg, nseg, sgt->sgl->sg_pgs,
115 	    sgt->sgl->sg_npgs);
123 		sg_free_table(sgt);
128 sg_free_table(struct sg_table *sgt)
131 	if (sgt->sgl->sg_dmamap) {
132 		KASSERT(sgt->sgl->sg_dmat);
133 		bus_dmamap_destroy(sgt->sgl->sg_dmat, sgt->sgl->sg_dmamap);
135 	kfree(sgt->sgl->sg_pgs);
136 	sgt->sgl->sg_pgs = NULL;
137 	sgt->sgl->sg_npgs = 0;