diff options
Diffstat (limited to 'MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h')
| -rw-r--r-- | MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h index ce8066f71e..4f7087f44f 100644 --- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h +++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h @@ -50,6 +50,14 @@ typedef struct { UINT16 Rsvd:4;
} UFS_EXPOSED_LUNS;
+//
+// Iterate through the doule linked list. This is delete-safe.
+// Do not touch NextEntry
+//
+#define EFI_LIST_FOR_EACH_SAFE(Entry, NextEntry, ListHead) \
+ for(Entry = (ListHead)->ForwardLink, NextEntry = Entry->ForwardLink;\
+ Entry != (ListHead); Entry = NextEntry, NextEntry = Entry->ForwardLink)
+
typedef struct _UFS_PASS_THRU_PRIVATE_DATA {
UINT32 Signature;
EFI_HANDLE Handle;
@@ -69,9 +77,37 @@ typedef struct _UFS_PASS_THRU_PRIVATE_DATA { VOID *TmrlMapping;
UFS_EXPOSED_LUNS Luns;
+
+ //
+ // For Non-blocking operation.
+ //
+ EFI_EVENT TimerEvent;
+ LIST_ENTRY Queue;
} UFS_PASS_THRU_PRIVATE_DATA;
+#define UFS_PASS_THRU_TRANS_REQ_SIG SIGNATURE_32 ('U', 'F', 'S', 'T')
+
+typedef struct {
+ UINT32 Signature;
+ LIST_ENTRY TransferList;
+
+ UINT8 Slot;
+ UTP_TRD *Trd;
+ UINT32 CmdDescSize;
+ VOID *CmdDescHost;
+ VOID *CmdDescMapping;
+ VOID *DataBufMapping;
+
+ EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet;
+ UINT64 TimeoutRemain;
+ EFI_EVENT CallerEvent;
+} UFS_PASS_THRU_TRANS_REQ;
+
+#define UFS_PASS_THRU_TRANS_REQ_FROM_THIS(a) \
+ CR(a, UFS_PASS_THRU_TRANS_REQ, TransferList, UFS_PASS_THRU_TRANS_REQ_SIG)
+
#define UFS_TIMEOUT EFI_TIMER_PERIOD_SECONDS(3)
+#define UFS_HC_ASYNC_TIMER EFI_TIMER_PERIOD_MILLISECONDS(1)
#define ROUNDUP8(x) (((x) % 8 == 0) ? (x) : ((x) / 8 + 1) * 8)
@@ -587,6 +623,11 @@ UfsPassThruGetNextTarget ( @param[in] Lun The LUN of the UFS device to send the SCSI Request Packet.
@param[in, out] Packet A pointer to the SCSI Request Packet to send to a specified Lun of the
UFS device.
+ @param[in] Event If nonblocking I/O is not supported then Event is ignored, and blocking
+ I/O is performed. If Event is NULL, then blocking I/O is performed. If
+ Event is not NULL and non blocking I/O is supported, then
+ nonblocking I/O is performed, and Event will be signaled when the
+ SCSI Request Packet completes.
@retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional
commands, InTransferLength bytes were transferred from
@@ -603,7 +644,8 @@ EFI_STATUS UfsExecScsiCmds (
IN UFS_PASS_THRU_PRIVATE_DATA *Private,
IN UINT8 Lun,
- IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
+ IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
+ IN EFI_EVENT Event OPTIONAL
);
/**
@@ -719,6 +761,37 @@ UfsExecNopCmds ( IN UFS_PASS_THRU_PRIVATE_DATA *Private
);
+/**
+ Call back function when the timer event is signaled.
+
+ @param[in] Event The Event this notify function registered to.
+ @param[in] Context Pointer to the context data registered to the Event.
+
+**/
+VOID
+EFIAPI
+ProcessAsyncTaskList (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ );
+
+/**
+ Internal helper function which will signal the caller event and clean up
+ resources.
+
+ @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data
+ structure.
+ @param[in] TransReq The pointer to the UFS_PASS_THRU_TRANS_REQ data
+ structure.
+
+**/
+VOID
+EFIAPI
+SignalCallerEvent (
+ IN UFS_PASS_THRU_PRIVATE_DATA *Private,
+ IN UFS_PASS_THRU_TRANS_REQ *TransReq
+ );
+
extern EFI_COMPONENT_NAME_PROTOCOL gUfsPassThruComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gUfsPassThruComponentName2;
extern EFI_DRIVER_BINDING_PROTOCOL gUfsPassThruDriverBinding;
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