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sys: FSP_META_CACHE: refactoring and start integration into Fsvol

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This commit is contained in:
Bill Zissimopoulos
2016-02-18 11:48:57 -08:00
parent 2c9cd46e4b
commit 3cfdfba64c
4 changed files with 200 additions and 179 deletions
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24
src/sys/driver.h
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@ -396,15 +396,15 @@ typedef struct
ULONG ItemBucketCount;
PVOID ItemBuckets[];
} FSP_META_CACHE;
NTSTATUS MetaCacheCreate(
NTSTATUS FspMetaCacheCreate(
ULONG MetaCapacity, ULONG ItemSizeMax, PLARGE_INTEGER MetaTimeout,
FSP_META_CACHE **PMetaCache);
VOID MetaCacheDelete(FSP_META_CACHE *MetaCache);
VOID MetaCacheInvalidateExpired(FSP_META_CACHE *MetaCache, UINT64 ExpirationTime);
PVOID MetaCacheReferenceItemBuffer(FSP_META_CACHE *MetaCache, UINT64 ItemIndex, PULONG PSize);
VOID MetaCacheDereferenceItemBuffer(PVOID Buffer);
UINT64 MetaCacheAddItem(FSP_META_CACHE *MetaCache, PVOID Buffer, ULONG Size);
VOID MetaCacheInvalidateItem(FSP_META_CACHE *MetaCache, UINT64 ItemIndex);
VOID FspMetaCacheDelete(FSP_META_CACHE *MetaCache);
VOID FspMetaCacheInvalidateExpired(FSP_META_CACHE *MetaCache, UINT64 ExpirationTime);
PVOID FspMetaCacheReferenceItemBuffer(FSP_META_CACHE *MetaCache, UINT64 ItemIndex, PULONG PSize);
VOID FspMetaCacheDereferenceItemBuffer(PVOID Buffer);
UINT64 FspMetaCacheAddItem(FSP_META_CACHE *MetaCache, PVOID Buffer, ULONG Size);
VOID FspMetaCacheInvalidateItem(FSP_META_CACHE *MetaCache, UINT64 ItemIndex);
/* I/O processing */
#define FSP_FSCTL_WORK \
@ -443,6 +443,11 @@ NTSTATUS FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response
/* device management */
#define FSP_DEVICE_VOLUME_NAME_LENMAX (FSP_FSCTL_VOLUME_NAME_SIZEMAX - sizeof(WCHAR))
enum
{
FspFsvolDeviceSecurityCacheCapacity = 100,
FspFsvolDeviceSecurityCacheItemSizeMax = 4096,
};
typedef struct
{
UINT64 Identifier;
@ -478,8 +483,8 @@ typedef struct
typedef struct
{
FSP_DEVICE_EXTENSION Base;
UINT32 InitDoneFsvrt:1, InitDoneDelRsc:1, InitDoneIoq:1, InitDoneCtxTab:1, InitDoneTimer:1,
InitDoneInfo:1;
UINT32 InitDoneFsvrt:1, InitDoneDelRsc:1, InitDoneIoq:1, InitDoneSec:1, InitDoneCtxTab:1,
InitDoneTimer:1, InitDoneInfo:1;
PDEVICE_OBJECT FsctlDeviceObject;
PDEVICE_OBJECT FsvrtDeviceObject;
HANDLE MupHandle;
@ -489,6 +494,7 @@ typedef struct
FSP_FSCTL_VOLUME_PARAMS VolumeParams;
UNICODE_STRING VolumePrefix;
FSP_IOQ *Ioq;
FSP_META_CACHE *SecurityCache;
KSPIN_LOCK ExpirationLock;
WORK_QUEUE_ITEM ExpirationWorkItem;
BOOLEAN ExpirationInProgress;