#include "./zns.h"

zns.c 的引用(Include)关系图:

结构体
struct	zns_zone_reset_ctx

宏定义
#define	MIN_DISCARD_GRANULARITY (4 * KiB)

#define	NVME_DEFAULT_ZONE_SIZE (128 * MiB)

#define	NVME_DEFAULT_MAX_AZ_SIZE (128 * KiB)

类型定义
typedef uint16_t(*	op_handler_t) (NvmeNamespace , NvmeZone , NvmeZoneState, NvmeRequest *)

枚举
enum	NvmeZoneProcessingMask { NVME_PROC_CURRENT_ZONE = 0, NVME_PROC_OPENED_ZONES = 1 << 0, NVME_PROC_CLOSED_ZONES = 1 << 1, NVME_PROC_READ_ONLY_ZONES = 1 << 2, NVME_PROC_FULL_ZONES = 1 << 3 }

函数
static uint32_t	zns_zone_idx (NvmeNamespace *ns, uint64_t slba)

static NvmeZone *	zns_get_zone_by_slba (NvmeNamespace *ns, uint64_t slba)

static int	zns_init_zone_geometry (NvmeNamespace ns, Error *errp)

static void	zns_init_zoned_state (NvmeNamespace *ns)

static void	zns_init_zone_identify (FemuCtrl n, NvmeNamespace ns, int lba_index)

static void	zns_clear_zone (NvmeNamespace ns, NvmeZone zone)

static void	zns_zoned_ns_shutdown (NvmeNamespace *ns)

void	zns_ns_shutdown (NvmeNamespace *ns)

void	zns_ns_cleanup (NvmeNamespace *ns)

static void	zns_assign_zone_state (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state)

static int	zns_aor_check (NvmeNamespace *ns, uint32_t act, uint32_t opn)

static uint16_t	zns_check_zone_state_for_write (NvmeZone *zone)

static uint16_t	zns_check_zone_write (FemuCtrl n, NvmeNamespace ns, NvmeZone *zone, uint64_t slba, uint32_t nlb, bool append)

static uint16_t	zns_check_zone_state_for_read (NvmeZone *zone)

static uint16_t	zns_check_zone_read (NvmeNamespace *ns, uint64_t slba, uint32_t nlb)

static void	zns_auto_transition_zone (NvmeNamespace *ns)

static uint16_t	zns_auto_open_zone (NvmeNamespace ns, NvmeZone zone)

static void	zns_finalize_zoned_write (NvmeNamespace ns, NvmeRequest req, bool failed)

static uint64_t	zns_advance_zone_wp (NvmeNamespace ns, NvmeZone zone, uint32_t nlb)

static void	zns_aio_zone_reset_cb (NvmeRequest req, NvmeZone zone)

static uint16_t	zns_open_zone (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state, NvmeRequest *req)

static uint16_t	zns_close_zone (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state, NvmeRequest *req)

static uint16_t	zns_finish_zone (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state, NvmeRequest *req)

static uint16_t	zns_reset_zone (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state, NvmeRequest *req)

static uint16_t	zns_offline_zone (NvmeNamespace ns, NvmeZone zone, NvmeZoneState state, NvmeRequest *req)

static uint16_t	zns_set_zd_ext (NvmeNamespace ns, NvmeZone zone)

static uint16_t	zns_bulk_proc_zone (NvmeNamespace ns, NvmeZone zone, enum NvmeZoneProcessingMask proc_mask, op_handler_t op_hndlr, NvmeRequest *req)

static uint16_t	zns_do_zone_op (NvmeNamespace ns, NvmeZone zone, enum NvmeZoneProcessingMask proc_mask, op_handler_t op_hndlr, NvmeRequest *req)

static uint16_t	zns_get_mgmt_zone_slba_idx (FemuCtrl n, NvmeCmd c, uint64_t slba, uint32_t zone_idx)

static uint16_t	zns_zone_mgmt_send (FemuCtrl n, NvmeRequest req)

static bool	zns_zone_matches_filter (uint32_t zafs, NvmeZone *zl)

static uint16_t	zns_zone_mgmt_recv (FemuCtrl n, NvmeRequest req)

static bool	nvme_csi_has_nvm_support (NvmeNamespace *ns)

static uint16_t	zns_check_bounds (NvmeNamespace *ns, uint64_t slba, uint32_t nlb)

static uint16_t	zns_map_dptr (FemuCtrl n, size_t len, NvmeRequest req)

static uint16_t	zns_do_write (FemuCtrl n, NvmeRequest req, bool append, bool wrz)

static uint16_t	zns_admin_cmd (FemuCtrl n, NvmeCmd cmd)

static uint16_t	zns_zone_append (FemuCtrl n, NvmeRequest req)

static uint16_t	zns_check_dulbe (NvmeNamespace *ns, uint64_t slba, uint32_t nlb)

static uint16_t	zns_read (FemuCtrl n, NvmeNamespace ns, NvmeCmd cmd, NvmeRequest req)

static uint16_t	zns_write (FemuCtrl n, NvmeNamespace ns, NvmeCmd cmd, NvmeRequest req)

static uint16_t	zns_io_cmd (FemuCtrl n, NvmeNamespace ns, NvmeCmd cmd, NvmeRequest req)

static void	zns_set_ctrl_str (FemuCtrl *n)

static void	zns_set_ctrl (FemuCtrl *n)

static int	zns_init_zone_cap (FemuCtrl *n)

static int	zns_start_ctrl (FemuCtrl *n)

static void	zns_init (FemuCtrl n, Error *errp)

static void	zns_exit (FemuCtrl *n)

int	nvme_register_znssd (FemuCtrl *n)

宏定义说明

◆ MIN_DISCARD_GRANULARITY

#define MIN_DISCARD_GRANULARITY (4 * KiB)

◆ NVME_DEFAULT_MAX_AZ_SIZE

#define NVME_DEFAULT_MAX_AZ_SIZE (128 * KiB)

◆ NVME_DEFAULT_ZONE_SIZE

#define NVME_DEFAULT_ZONE_SIZE (128 * MiB)

类型定义说明

◆ op_handler_t

typedef uint16_t(* op_handler_t) (NvmeNamespace *, NvmeZone *, NvmeZoneState, NvmeRequest *)

枚举类型说明

◆ NvmeZoneProcessingMask

enum NvmeZoneProcessingMask

枚举值
NVME_PROC_CURRENT_ZONE
NVME_PROC_OPENED_ZONES
NVME_PROC_CLOSED_ZONES
NVME_PROC_READ_ONLY_ZONES
NVME_PROC_FULL_ZONES

函数说明

◆ nvme_csi_has_nvm_support()

static bool nvme_csi_has_nvm_support ( NvmeNamespace * ns )

inlinestatic

◆ nvme_register_znssd()

int nvme_register_znssd ( FemuCtrl * n )

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◆ zns_admin_cmd()

static uint16_t zns_admin_cmd	(	FemuCtrl *	n,
		NvmeCmd *	cmd
	)

static

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◆ zns_advance_zone_wp()

static uint64_t zns_advance_zone_wp	(	NvmeNamespace *	ns,
		NvmeZone *	zone,
		uint32_t	nlb
	)

static

函数调用图:

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◆ zns_aio_zone_reset_cb()

static void zns_aio_zone_reset_cb	(	NvmeRequest *	req,
		NvmeZone *	zone
	)

static

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◆ zns_aor_check()

static int zns_aor_check	(	NvmeNamespace *	ns,
		uint32_t	act,
		uint32_t	opn
	)

static

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◆ zns_assign_zone_state()

static void zns_assign_zone_state	(	NvmeNamespace *	ns,
		NvmeZone *	zone,
		NvmeZoneState	state
	)

static

函数调用图:

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◆ zns_auto_open_zone()

static uint16_t zns_auto_open_zone	(	NvmeNamespace *	ns,
		NvmeZone *	zone
	)

static

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◆ zns_auto_transition_zone()

static void zns_auto_transition_zone ( NvmeNamespace * ns )

static

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◆ zns_bulk_proc_zone()

static uint16_t zns_bulk_proc_zone	(	NvmeNamespace *	ns,
		NvmeZone *	zone,
		enum NvmeZoneProcessingMask	proc_mask,
		op_handler_t	op_hndlr,
		NvmeRequest *	req
	)