15 	/* Logical blocks per physical block, 0's based. */  in nvmet_bdev_set_limits()
38 	/* NPWG = Namespace Preferred Write Granularity. 0's based */  in nvmet_bdev_set_limits()
40 	/* NPWA = Namespace Preferred Write Alignment. 0's based */  in nvmet_bdev_set_limits()
42 	/* NPDG = Namespace Preferred Deallocate Granularity. 0's based */  in nvmet_bdev_set_limits()
52 		id->dlfeat = (1 << 3) | 0x1;  in nvmet_bdev_set_limits()
55 void nvmet_bdev_ns_disable(struct nvmet_ns *ns)  in nvmet_bdev_ns_disable()  argument
57 	if (ns->bdev_file) {  in nvmet_bdev_ns_disable()
58 		fput(ns->bdev_file);  in nvmet_bdev_ns_disable()
59 		ns->bdev = NULL;  in nvmet_bdev_ns_disable()
60 		ns->bdev_file = NULL;  in nvmet_bdev_ns_disable()
64 static void nvmet_bdev_ns_enable_integrity(struct nvmet_ns *ns)  in nvmet_bdev_ns_enable_integrity()  argument
66 	struct blk_integrity *bi = bdev_get_integrity(ns->bdev);  in nvmet_bdev_ns_enable_integrity()
72 		ns->metadata_size = bi->metadata_size;  in nvmet_bdev_ns_enable_integrity()
74 			ns->pi_type = NVME_NS_DPS_PI_TYPE1;  in nvmet_bdev_ns_enable_integrity()
76 			ns->pi_type = NVME_NS_DPS_PI_TYPE3;  in nvmet_bdev_ns_enable_integrity()
78 		ns->metadata_size = 0;  in nvmet_bdev_ns_enable_integrity()
82 int nvmet_bdev_ns_enable(struct nvmet_ns *ns)  in nvmet_bdev_ns_enable()  argument
91 	if (ns->buffered_io)  in nvmet_bdev_ns_enable()
94 	ns->bdev_file = bdev_file_open_by_path(ns->device_path,  in nvmet_bdev_ns_enable()
96 	if (IS_ERR(ns->bdev_file)) {  in nvmet_bdev_ns_enable()
97 		ret = PTR_ERR(ns->bdev_file);  in nvmet_bdev_ns_enable()
100 					ns->device_path, ret);  in nvmet_bdev_ns_enable()
102 		ns->bdev_file = NULL;  in nvmet_bdev_ns_enable()
105 	ns->bdev = file_bdev(ns->bdev_file);  in nvmet_bdev_ns_enable()
106 	ns->size = bdev_nr_bytes(ns->bdev);  in nvmet_bdev_ns_enable()
107 	ns->blksize_shift = blksize_bits(bdev_logical_block_size(ns->bdev));  in nvmet_bdev_ns_enable()
109 	ns->pi_type = 0;  in nvmet_bdev_ns_enable()
110 	ns->metadata_size = 0;  in nvmet_bdev_ns_enable()
112 		nvmet_bdev_ns_enable_integrity(ns);  in nvmet_bdev_ns_enable()
114 	if (bdev_is_zoned(ns->bdev)) {  in nvmet_bdev_ns_enable()
115 		if (!nvmet_bdev_zns_enable(ns)) {  in nvmet_bdev_ns_enable()
116 			nvmet_bdev_ns_disable(ns);  in nvmet_bdev_ns_enable()
119 		ns->csi = NVME_CSI_ZNS;  in nvmet_bdev_ns_enable()
122 	return 0;  in nvmet_bdev_ns_enable()
125 void nvmet_bdev_ns_revalidate(struct nvmet_ns *ns)  in nvmet_bdev_ns_revalidate()  argument
127 	ns->size = bdev_nr_bytes(ns->bdev);  in nvmet_bdev_ns_revalidate()
175 		req->error_slba = 0;  in blk_to_nvme_status()
197 	bi = bdev_get_integrity(req->ns->bdev);  in nvmet_bdev_alloc_bip()
215 	while (resid > 0 && sg_miter_next(miter)) {  in nvmet_bdev_alloc_bip()
231 	return 0;  in nvmet_bdev_alloc_bip()
258 		nvmet_req_complete(req, 0);  in nvmet_bdev_execute_rw()
278 	sector = nvmet_lba_to_sect(req->ns, req->cmd->rw.slba);  in nvmet_bdev_execute_rw()
282 		bio_init(bio, req->ns->bdev, req->inline_bvec,  in nvmet_bdev_execute_rw()
285 		bio = bio_alloc(req->ns->bdev, bio_max_segs(sg_cnt), opf,  in nvmet_bdev_execute_rw()
311 			bio = bio_alloc(req->ns->bdev, bio_max_segs(sg_cnt),  in nvmet_bdev_execute_rw()
339 	if (!bdev_write_cache(req->ns->bdev)) {  in nvmet_bdev_execute_flush()
344 	if (!nvmet_check_transfer_len(req, 0))  in nvmet_bdev_execute_flush()
347 	bio_init(bio, req->ns->bdev, req->inline_bvec,  in nvmet_bdev_execute_flush()
357 	if (!bdev_write_cache(req->ns->bdev))  in nvmet_bdev_flush()
358 		return 0;  in nvmet_bdev_flush()
360 	if (blkdev_issue_flush(req->ns->bdev))  in nvmet_bdev_flush()
362 	return 0;  in nvmet_bdev_flush()
368 	struct nvmet_ns *ns = req->ns;  in nvmet_bdev_discard_range()  local
371 	ret = __blkdev_issue_discard(ns->bdev,  in nvmet_bdev_discard_range()
372 			nvmet_lba_to_sect(ns, range->slba),  in nvmet_bdev_discard_range()
373 			le32_to_cpu(range->nlb) << (ns->blksize_shift - 9),  in nvmet_bdev_discard_range()
389 	for (i = 0; i <= le32_to_cpu(req->cmd->dsm.nr); i++) {  in nvmet_bdev_execute_discard()
425 		nvmet_req_complete(req, 0);  in nvmet_bdev_execute_dsm()
438 	if (!nvmet_check_transfer_len(req, 0))  in nvmet_bdev_execute_write_zeroes()
441 	sector = nvmet_lba_to_sect(req->ns, write_zeroes->slba);  in nvmet_bdev_execute_write_zeroes()
443 		(req->ns->blksize_shift - 9));  in nvmet_bdev_execute_write_zeroes()
445 	ret = __blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector,  in nvmet_bdev_execute_write_zeroes()
446 			GFP_KERNEL, &bio, 0);  in nvmet_bdev_execute_write_zeroes()
462 		if (req->sq->ctrl->pi_support && nvmet_ns_has_pi(req->ns))  in nvmet_bdev_parse_io_cmd()
464 		return 0;  in nvmet_bdev_parse_io_cmd()
467 		return 0;  in nvmet_bdev_parse_io_cmd()
470 		return 0;  in nvmet_bdev_parse_io_cmd()
473 		return 0;  in nvmet_bdev_parse_io_cmd()