#include "../nvme.h"

oc20.h 的引用(Include)关系图:

此图展示该文件直接或间接的被哪些文件引用了:

结构体
struct	Oc20ChunkState

struct	Oc20RwCmd

struct	Oc20DmCmd

struct	Oc20AddrF

struct	Oc20IdGeo

struct	Oc20IdWrt

struct	Oc20IdPerf

struct	Oc20IdLBAF

struct	Oc20Header

struct	Oc20NamespaceGeometry

struct	Oc20Ctrl

struct	Oc20Namespace

struct	Oc20AddrBucket

宏定义
#define	OC20_VID (0x1d1d)

#define	OC20_DID (0x1f1f)

#define	OC20_MAGIC ('L' << 24 \| 'N' << 16 \| 'V' << 8 \| 'M')

#define	OC20_CMD_MAX_LBAS (64)

#define	OC20_NS_LOGPAGE_CHUNK_INFO_BLK_OFFSET(ns) ((ns)->blk.begin + sizeof(Oc20NamespaceGeometry))

#define	OC20_LBA_GET_SECTR(lbaf, lba)

#define	OC20_LBA_GET_CHUNK(lbaf, lba)

#define	OC20_LBA_GET_PUNIT(lbaf, lba)

#define	OC20_LBA_GET_GROUP(lbaf, lba) (lba >> (lbaf)->grp_offset)

#define	OC20_LBA(lbaf, group, punit, chunk, sectr)

#define	OC20_GROUP_FROM_CHUNK_INDEX(lns, idx) (idx / (lns)->chks_per_grp)

#define	OC20_PUNIT_FROM_CHUNK_INDEX(lns, idx) (idx % (lns)->chks_per_grp / (lns)->chks_per_lun)

#define	OC20_CHUNK_FROM_CHUNK_INDEX(lns, idx) (idx % (lns)->chks_per_lun)

#define	OC20_LBA_FROM_CHUNK_INDEX(lns, idx)

#define	OC20_LBA_FORMAT_TEMPLATE "lba 0xffffffffffffffff pugrp 255 punit 255 chunk 65535 sectr 4294967295"

#define	OC20_CHUNK_RESETABLE (OC20_CHUNK_FREE \| OC20_CHUNK_CLOSED \| OC20_CHUNK_OPEN)

类型定义
typedef struct Oc20ChunkState	Oc20CS

typedef struct Oc20RwCmd	Oc20RwCmd

typedef struct Oc20DmCmd	Oc20DmCmd

typedef struct Oc20AddrF	Oc20AddrF

typedef struct Oc20IdGeo	Oc20IdGeo

typedef struct Oc20IdWrt	Oc20IdWrt

typedef struct Oc20IdPerf	Oc20IdPerf

typedef struct Oc20IdLBAF	Oc20IdLBAF

typedef struct Oc20Header	Oc20Header

typedef struct Oc20NamespaceGeometry	Oc20NamespaceGeometry

typedef struct Oc20Ctrl	Oc20Ctrl

typedef struct Oc20Namespace	Oc20Namespace

typedef struct Oc20AddrBucket	Oc20AddrBucket

typedef struct NvmeRequest	NvmeRequest

typedef struct FemuCtrl	FemuCtrl

枚举
enum	Oc20IoCommands { OC20_CMD_VECT_ERASE = 0x90, OC20_CMD_VECT_WRITE = 0x91, OC20_CMD_VECT_READ = 0x92 }

enum	Oc20MetaStates { OC20_SEC_UNKNOWN = 0x0, OC20_SEC_WRITTEN = 0xAC, OC20_SEC_ERASED = 0xDC }

enum	Oc20ChunkStates { OC20_CHUNK_FREE = 1 << 0, OC20_CHUNK_CLOSED = 1 << 1, OC20_CHUNK_OPEN = 1 << 2, OC20_CHUNK_OFFLINE = 1 << 3 }

enum	Oc20ChunkTypes { OC20_CHUNK_TYPE_SEQ = 1 << 0, OC20_CHUNK_TYPE_RAN = 1 << 1, OC20_CHUNK_TYPE_SRK = 1 << 4 }

enum	Oc20StatusCodes { OC20_LBAL_SGL_LENGTH_INVALID = 0x01c1, OC20_WRITE_NEXT_UNIT = 0x02f0, OC20_CHUNK_EARLY_CLOSE = 0x02f1, OC20_OUT_OF_ORDER_WRITE = 0x02f2, OC20_OFFLINE_CHUNK = 0x02c0, OC20_INVALID_RESET = 0x02c1 }

enum	Oc20ParamsMccap { OC20_PARAMS_MCCAP_MULTIPLE_RESETS = 0x1 << 1, OC20_PARAMS_MCCAP_EARLY_RESET = 0x1 << 2 }

enum	Oc20LogPage { OC20_CHUNK_INFO = 0xCA }

函数
static void	_oc20_check_size (void)

static int	nvme_rw_is_write (NvmeRequest *req)

static int	oc20_rw_is_write (NvmeRequest *req)

static uint64_t	nvme_lba_to_sector_index (FemuCtrl n, NvmeNamespace ns, uint64_t lba)

static int	oc20_lba_valid (FemuCtrl n, NvmeNamespace ns, uint64_t lba)

static uint64_t	oc20_lba_to_chunk_index (FemuCtrl n, NvmeNamespace ns, uint64_t lba)

static uint64_t	oc20_lba_to_sector_index (FemuCtrl n, NvmeNamespace ns, uint64_t lba)

宏定义说明

◆ OC20_CHUNK_FROM_CHUNK_INDEX

#define OC20_CHUNK_FROM_CHUNK_INDEX	(	lns,
		idx
	)	(idx % (lns)->chks_per_lun)

◆ OC20_CHUNK_RESETABLE

#define OC20_CHUNK_RESETABLE (OC20_CHUNK_FREE | OC20_CHUNK_CLOSED | OC20_CHUNK_OPEN)

◆ OC20_CMD_MAX_LBAS

#define OC20_CMD_MAX_LBAS (64)

◆ OC20_DID

#define OC20_DID (0x1f1f)

◆ OC20_GROUP_FROM_CHUNK_INDEX

#define OC20_GROUP_FROM_CHUNK_INDEX	(	lns,
		idx
	)	(idx / (lns)->chks_per_grp)

◆ OC20_LBA

#define OC20_LBA	(	lbaf,
		group,
		punit,
		chunk,
		sectr
	)

值:

    (sectr << (lbaf)->sec_offset \
        | chunk << (lbaf)->chk_offset \
        | punit << (lbaf)->lun_offset \
        | group << (lbaf)->grp_offset)

◆ OC20_LBA_FORMAT_TEMPLATE

#define OC20_LBA_FORMAT_TEMPLATE "lba 0xffffffffffffffff pugrp 255 punit 255 chunk 65535 sectr 4294967295"

◆ OC20_LBA_FROM_CHUNK_INDEX

#define OC20_LBA_FROM_CHUNK_INDEX	(	lns,
		idx
	)

值:

    (OC20_GROUP_FROM_CHUNK_INDEX(lns, idx)                                \
        << (lns)->lbaf.grp_offset                                              \
        | OC20_PUNIT_FROM_CHUNK_INDEX(lns, idx)                           \
            << (lns)->lbaf.lun_offset                                          \
        | OC20_CHUNK_FROM_CHUNK_INDEX(lns, idx)                           \
            << (lns)->lbaf.chk_offset)