68 os_dma_mem_alloc(pqisrc_softstate_t *softs, struct dma_mem *dma_mem)  in os_dma_mem_alloc()  argument
75 	ASSERT(dma_mem->align >= 4);  in os_dma_mem_alloc()
80 		dma_mem->align, 0,	/* algnmnt, boundary */  in os_dma_mem_alloc()
84 		dma_mem->size, 		/* maxsize */  in os_dma_mem_alloc()
86 		dma_mem->size,		/* maxsegsize */  in os_dma_mem_alloc()
89 		&dma_mem->dma_tag)) != 0 ) {  in os_dma_mem_alloc()
94 	if (!dma_mem->dma_tag) {  in os_dma_mem_alloc()
100 	if ((ret = bus_dmamem_alloc(dma_mem->dma_tag, (void **)&dma_mem->virt_addr,  in os_dma_mem_alloc()
101 		BUS_DMA_NOWAIT, &dma_mem->dma_map)) != 0) {  in os_dma_mem_alloc()
107 	if((ret = bus_dmamap_load(dma_mem->dma_tag, dma_mem->dma_map,  in os_dma_mem_alloc()
108 		dma_mem->virt_addr, dma_mem->size,  in os_dma_mem_alloc()
109 		os_dma_map, &dma_mem->dma_addr, 0)) != 0) {  in os_dma_mem_alloc()
115 	memset(dma_mem->virt_addr, 0, dma_mem->size);  in os_dma_mem_alloc()
123 	if(dma_mem->virt_addr)  in os_dma_mem_alloc()
124 		bus_dmamem_free(dma_mem->dma_tag, dma_mem->virt_addr,  in os_dma_mem_alloc()
125 				dma_mem->dma_map);  in os_dma_mem_alloc()
127 	if(dma_mem->dma_tag)  in os_dma_mem_alloc()
128 		bus_dma_tag_destroy(dma_mem->dma_tag);  in os_dma_mem_alloc()
141 os_dma_mem_free(pqisrc_softstate_t *softs, struct dma_mem *dma_mem)  in os_dma_mem_free()  argument
145 	if(dma_mem->dma_addr) {  in os_dma_mem_free()
146 		bus_dmamap_unload(dma_mem->dma_tag, dma_mem->dma_map);  in os_dma_mem_free()
147 		dma_mem->dma_addr = 0;  in os_dma_mem_free()
150 	if(dma_mem->virt_addr) {  in os_dma_mem_free()
151 		bus_dmamem_free(dma_mem->dma_tag, dma_mem->virt_addr,  in os_dma_mem_free()
152 					dma_mem->dma_map);  in os_dma_mem_free()
153 		dma_mem->virt_addr = NULL;  in os_dma_mem_free()
156 	if(dma_mem->dma_tag) {  in os_dma_mem_free()
157 		bus_dma_tag_destroy(dma_mem->dma_tag);  in os_dma_mem_free()
158 		dma_mem->dma_tag = NULL;  in os_dma_mem_free()