dev/nvdimm/nvdimm.c

67 read_label_area_size(struct nvdimm_dev *nv)
76 	handle = nvdimm_root_get_acpi_handle(nv->nv_dev);
91 			nv->label_area_size = out[1];
92 			nv->max_label_xfer = out[2];
102 read_label_area(struct nvdimm_dev *nv, uint8_t *dest, off_t offset,
114 	handle = nvdimm_root_get_acpi_handle(nv->nv_dev);
116 	    offset + length > nv->label_area_size ||
126 		to_read = MIN(length, nv->max_label_xfer);
201 read_label(struct nvdimm_dev *nv, int num)
208 	offset = nv->label_index->label_offset +
209 	    num * (128 << nv->label_index->label_size);
211 	error = read_label_area(nv, (uint8_t *)&entry->label, offset,
226 	if (SLIST_EMPTY(&nv->labels) ||
228 	    SLIST_FIRST(&nv->labels)->label.dimm_phys_addr) {
229 		SLIST_INSERT_HEAD(&nv->labels, entry, link);
232 	SLIST_FOREACH_SAFE(i, &nv->labels, link, next) {
243 read_labels(struct nvdimm_dev *nv)
254 		    nv->label_area_size)
257 	num_labels = (nv->label_area_size - index_size) /
261 	error = read_label_area(nv, (void *)indices, 0, 2 * index_size);
288 	nv->label_index = malloc(index_size, M_NVDIMM, M_WAITOK);
289 	bcopy(index_0_valid ? indices : index1, nv->label_index, index_size);
291 	bit_ffc_at((bitstr_t *)nv->label_index->free, 0,
292 	    nv->label_index->slot_cnt, &n);
294 		read_label(nv, n);
295 		bit_ffc_at((bitstr_t *)nv->label_index->free, n + 1,
296 		    nv->label_index->slot_cnt, &n);
311 	struct nvdimm_dev *nv;
322 	nv = device_get_softc(dev);
327 	nv->nv_dev = dev;
328 	nv->nv_handle = nvdimm_root_get_device_handle(dev);
336 	acpi_nfit_get_flush_addrs(nfitbl, nv->nv_handle, &nv->nv_flush_addr,
337 	    &nv->nv_flush_addr_cnt);
344 	acpi_nfit_get_memory_maps_by_dimm(nfitbl, nv->nv_handle, &maps,
347 		free(nv->nv_flush_addr, M_NVDIMM);
372 		free(nv->nv_flush_addr, M_NVDIMM);
377 	nv->nv_flags_str = strdup(sbuf_data(sb), M_NVDIMM);
380 	    CTLFLAG_RD | CTLFLAG_MPSAFE, nv->nv_flags_str, 0,
387 		device_printf(dev, "flags: %s\n", nv->nv_flags_str);
390 	error = read_label_area_size(nv);
396 		read_labels(nv);
404 	struct nvdimm_dev *nv;
407 	nv = device_get_softc(dev);
408 	free(nv->nv_flags_str, M_NVDIMM);
409 	free(nv->nv_flush_addr, M_NVDIMM);
410 	free(nv->label_index, M_NVDIMM);
411 	SLIST_FOREACH_SAFE(label, &nv->labels, link, next) {
412 		SLIST_REMOVE_HEAD(&nv->labels, link);