linux/drivers/nvme/host/zns.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2020 Western Digital Corporation or its affiliates.
 */

#include <linux/blkdev.h>
#include <linux/vmalloc.h>
#include "nvme.h"

static int nvme_set_max_append(struct nvme_ctrl *ctrl)
{ … }

int nvme_query_zone_info(struct nvme_ns *ns, unsigned lbaf,
		struct nvme_zone_info *zi)
{ … }

void nvme_update_zone_info(struct nvme_ns *ns, struct queue_limits *lim,
		struct nvme_zone_info *zi)
{ … }

static void *nvme_zns_alloc_report_buffer(struct nvme_ns *ns,
					  unsigned int nr_zones, size_t *buflen)
{ … }

static int nvme_zone_parse_entry(struct nvme_ctrl *ctrl,
				 struct nvme_ns_head *head,
				 struct nvme_zone_descriptor *entry,
				 unsigned int idx, report_zones_cb cb,
				 void *data)
{ … }

int nvme_ns_report_zones(struct nvme_ns *ns, sector_t sector,
		unsigned int nr_zones, report_zones_cb cb, void *data)
{ … }

blk_status_t nvme_setup_zone_mgmt_send(struct nvme_ns *ns, struct request *req,
		struct nvme_command *c, enum nvme_zone_mgmt_action action)
{ … }