diff options
Diffstat (limited to 'MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h | 184 |
1 files changed, 101 insertions, 83 deletions
diff --git a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h index 6a4b2576b2..b64a3d3928 100644 --- a/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h +++ b/MdeModulePkg/Bus/Ata/AtaBusDxe/AtaBus.h @@ -4,7 +4,7 @@ This file defines common data structures, macro definitions and some module
internal function header files.
- Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -35,6 +35,7 @@ #include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
+#include <Library/TimerLib.h>
#include <IndustryStandard/Atapi.h>
@@ -54,12 +55,12 @@ #define MAX_28BIT_ADDRESSING_CAPACITY 0xfffffff
//
-// The maximum ATA transaction sector count in 28 bit addressing mode.
+// The maximum ATA transaction sector count in 28 bit addressing mode.
//
#define MAX_28BIT_TRANSFER_BLOCK_NUM 0x100
//
-// The maximum ATA transaction sector count in 48 bit addressing mode.
+// The maximum ATA transaction sector count in 48 bit addressing mode.
//
//#define MAX_48BIT_TRANSFER_BLOCK_NUM 0x10000
@@ -72,28 +73,16 @@ #define MAX_48BIT_TRANSFER_BLOCK_NUM 0xFFFF
//
-// The maximum model name in ATA identify data
+// The maximum model name in ATA identify data
//
#define MAX_MODEL_NAME_LEN 40
#define ATA_TASK_SIGNATURE SIGNATURE_32 ('A', 'T', 'S', 'K')
#define ATA_DEVICE_SIGNATURE SIGNATURE_32 ('A', 'B', 'I', 'D')
-
+#define ATA_SUB_TASK_SIGNATURE SIGNATURE_32 ('A', 'S', 'T', 'S')
#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0)
//
-// Task for the non blocking I/O
-//
-typedef struct {
- UINT32 Signature;
- EFI_BLOCK_IO2_TOKEN *Token;
- UINTN *UnsignalledEventCount;
- EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
- BOOLEAN *IsError;// Indicate whether meeting error during source allocation for new task.
- LIST_ENTRY TaskEntry;
-} ATA_BUS_ASYN_TASK;
-
-//
// ATA bus data structure for ATA controller
//
typedef struct {
@@ -140,12 +129,41 @@ typedef struct { CHAR16 ModelName[MAX_MODEL_NAME_LEN + 1];
LIST_ENTRY AtaTaskList;
+ LIST_ENTRY AtaSubTaskList;
} ATA_DEVICE;
+//
+// Sub-Task for the non blocking I/O
+//
+typedef struct {
+ UINT32 Signature;
+ ATA_DEVICE *AtaDevice;
+ EFI_BLOCK_IO2_TOKEN *Token;
+ UINTN *UnsignalledEventCount;
+ EFI_ATA_PASS_THRU_COMMAND_PACKET Packet;
+ BOOLEAN *IsError;// Indicate whether meeting error during source allocation for new task.
+ LIST_ENTRY TaskEntry;
+} ATA_BUS_ASYN_SUB_TASK;
+
+//
+// Task for the non blocking I/O
+//
+typedef struct {
+ UINT32 Signature;
+ EFI_BLOCK_IO2_TOKEN *Token;
+ ATA_DEVICE *AtaDevice;
+ UINT8 *Buffer;
+ EFI_LBA StartLba;
+ UINTN NumberOfBlocks;
+ BOOLEAN IsWrite;
+ LIST_ENTRY TaskEntry;
+} ATA_BUS_ASYN_TASK;
+
#define ATA_DEVICE_FROM_BLOCK_IO(a) CR (a, ATA_DEVICE, BlockIo, ATA_DEVICE_SIGNATURE)
#define ATA_DEVICE_FROM_BLOCK_IO2(a) CR (a, ATA_DEVICE, BlockIo2, ATA_DEVICE_SIGNATURE)
#define ATA_DEVICE_FROM_DISK_INFO(a) CR (a, ATA_DEVICE, DiskInfo, ATA_DEVICE_SIGNATURE)
#define ATA_DEVICE_FROM_STORAGE_SECURITY(a) CR (a, ATA_DEVICE, StorageSecurity, ATA_DEVICE_SIGNATURE)
+#define ATA_AYNS_SUB_TASK_FROM_ENTRY(a) CR (a, ATA_BUS_ASYN_SUB_TASK, TaskEntry, ATA_SUB_TASK_SIGNATURE)
#define ATA_AYNS_TASK_FROM_ENTRY(a) CR (a, ATA_BUS_ASYN_TASK, TaskEntry, ATA_TASK_SIGNATURE)
//
@@ -191,22 +209,22 @@ FreeAlignedBuffer ( );
/**
- Free SubTask.
+ Free SubTask.
@param[in, out] Task Pointer to task to be freed.
-
+
**/
VOID
-EFIAPI
+EFIAPI
FreeAtaSubTask (
- IN OUT ATA_BUS_ASYN_TASK *Task
+ IN OUT ATA_BUS_ASYN_SUB_TASK *Task
);
/**
Wrapper for EFI_ATA_PASS_THRU_PROTOCOL.ResetDevice().
This function wraps the ResetDevice() invocation for ATA pass through function
- for an ATA device.
+ for an ATA device.
@param AtaDevice The ATA child device involved for the operation.
@@ -230,7 +248,7 @@ ResetAtaDevice ( @retval EFI_SUCCESS The device is successfully identified and Media information
is correctly initialized.
- @return others Some error occurs when discovering the ATA device.
+ @return others Some error occurs when discovering the ATA device.
**/
EFI_STATUS
@@ -253,10 +271,10 @@ DiscoverAtaDevice ( @param[in, out] Token A pointer to the token associated with the transaction.
@retval EFI_SUCCESS The data transfer is complete successfully.
- @return others Some error occurs when transferring data.
+ @return others Some error occurs when transferring data.
**/
-EFI_STATUS
+EFI_STATUS
AccessAtaDevice(
IN OUT ATA_DEVICE *AtaDevice,
IN OUT UINT8 *Buffer,
@@ -291,7 +309,7 @@ AccessAtaDevice( written to the buffer. Ignore it when IsTrustSend is TRUE.
@retval EFI_SUCCESS The data transfer is complete successfully.
- @return others Some error occurs when transferring data.
+ @return others Some error occurs when transferring data.
**/
EFI_STATUS
@@ -311,33 +329,33 @@ TrustTransferAtaDevice ( // Protocol interface prototypes
//
/**
- Tests to see if this driver supports a given controller. If a child device is provided,
+ Tests to see if this driver supports a given controller. If a child device is provided,
it further tests to see if this driver supports creating a handle for the specified child device.
- This function checks to see if the driver specified by This supports the device specified by
- ControllerHandle. Drivers will typically use the device path attached to
- ControllerHandle and/or the services from the bus I/O abstraction attached to
- ControllerHandle to determine if the driver supports ControllerHandle. This function
- may be called many times during platform initialization. In order to reduce boot times, the tests
- performed by this function must be very small, and take as little time as possible to execute. This
- function must not change the state of any hardware devices, and this function must be aware that the
- device specified by ControllerHandle may already be managed by the same driver or a
- different driver. This function must match its calls to AllocatePages() with FreePages(),
- AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
- Since ControllerHandle may have been previously started by the same driver, if a protocol is
- already in the opened state, then it must not be closed with CloseProtocol(). This is required
+ This function checks to see if the driver specified by This supports the device specified by
+ ControllerHandle. Drivers will typically use the device path attached to
+ ControllerHandle and/or the services from the bus I/O abstraction attached to
+ ControllerHandle to determine if the driver supports ControllerHandle. This function
+ may be called many times during platform initialization. In order to reduce boot times, the tests
+ performed by this function must be very small, and take as little time as possible to execute. This
+ function must not change the state of any hardware devices, and this function must be aware that the
+ device specified by ControllerHandle may already be managed by the same driver or a
+ different driver. This function must match its calls to AllocatePages() with FreePages(),
+ AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol().
+ Since ControllerHandle may have been previously started by the same driver, if a protocol is
+ already in the opened state, then it must not be closed with CloseProtocol(). This is required
to guarantee the state of ControllerHandle is not modified by this function.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle The handle of the controller to test. This handle
- must support a protocol interface that supplies
+ @param[in] ControllerHandle The handle of the controller to test. This handle
+ must support a protocol interface that supplies
an I/O abstraction to the driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
- parameter is ignored by device drivers, and is optional for bus
- drivers. For bus drivers, if this parameter is not NULL, then
- the bus driver must determine if the bus controller specified
- by ControllerHandle and the child controller specified
- by RemainingDevicePath are both supported by this
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For bus drivers, if this parameter is not NULL, then
+ the bus driver must determine if the bus controller specified
+ by ControllerHandle and the child controller specified
+ by RemainingDevicePath are both supported by this
bus driver.
@retval EFI_SUCCESS The device specified by ControllerHandle and
@@ -364,28 +382,28 @@ AtaBusDriverBindingSupported ( Starts a device controller or a bus controller.
The Start() function is designed to be invoked from the EFI boot service ConnectController().
- As a result, much of the error checking on the parameters to Start() has been moved into this
- common boot service. It is legal to call Start() from other locations,
+ As a result, much of the error checking on the parameters to Start() has been moved into this
+ common boot service. It is legal to call Start() from other locations,
but the following calling restrictions must be followed or the system behavior will not be deterministic.
1. ControllerHandle must be a valid EFI_HANDLE.
2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned
EFI_DEVICE_PATH_PROTOCOL.
3. Prior to calling Start(), the Supported() function for the driver specified by This must
- have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
+ have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS.
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle The handle of the controller to start. This handle
- must support a protocol interface that supplies
+ @param[in] ControllerHandle The handle of the controller to start. This handle
+ must support a protocol interface that supplies
an I/O abstraction to the driver.
- @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
- parameter is ignored by device drivers, and is optional for bus
- drivers. For a bus driver, if this parameter is NULL, then handles
- for all the children of Controller are created by this driver.
- If this parameter is not NULL and the first Device Path Node is
- not the End of Device Path Node, then only the handle for the
- child device specified by the first Device Path Node of
+ @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This
+ parameter is ignored by device drivers, and is optional for bus
+ drivers. For a bus driver, if this parameter is NULL, then handles
+ for all the children of Controller are created by this driver.
+ If this parameter is not NULL and the first Device Path Node is
+ not the End of Device Path Node, then only the handle for the
+ child device specified by the first Device Path Node of
RemainingDevicePath is created by this driver.
- If the first Device Path Node of RemainingDevicePath is
+ If the first Device Path Node of RemainingDevicePath is
the End of Device Path Node, no child handle is created by this
driver.
@@ -405,10 +423,10 @@ AtaBusDriverBindingStart ( /**
Stops a device controller or a bus controller.
-
- The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
- As a result, much of the error checking on the parameters to Stop() has been moved
- into this common boot service. It is legal to call Stop() from other locations,
+
+ The Stop() function is designed to be invoked from the EFI boot service DisconnectController().
+ As a result, much of the error checking on the parameters to Stop() has been moved
+ into this common boot service. It is legal to call Stop() from other locations,
but the following calling restrictions must be followed or the system behavior will not be deterministic.
1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this
same driver's Start() function.
@@ -416,13 +434,13 @@ AtaBusDriverBindingStart ( EFI_HANDLE. In addition, all of these handles must have been created in this driver's
Start() function, and the Start() function must have called OpenProtocol() on
ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
-
+
@param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param[in] ControllerHandle A handle to the device being stopped. The handle must
- support a bus specific I/O protocol for the driver
+ @param[in] ControllerHandle A handle to the device being stopped. The handle must
+ support a bus specific I/O protocol for the driver
to use to stop the device.
@param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer.
- @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
+ @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL
if NumberOfChildren is 0.
@retval EFI_SUCCESS The device was stopped.
@@ -600,7 +618,7 @@ AtaBlockIoReset ( @retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
@@ -631,7 +649,7 @@ AtaBlockIoReadBlocks ( @retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
+ @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
@@ -700,7 +718,7 @@ AtaBlockIoResetEx ( @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of the
intrinsic block size of the device.
- @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
or the buffer is not on proper alignment.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack
of resources.
@@ -735,7 +753,7 @@ AtaBlockIoReadBlocksEx ( @retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
+ @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
or the buffer is not on proper alignment.
**/
@@ -770,7 +788,7 @@ AtaBlockIoFlushBlocksEx ( /**
Provides inquiry information for the controller type.
-
+
This function is used by the IDE bus driver to get inquiry data. Data format
of Identify data is defined by the Interface GUID.
@@ -779,9 +797,9 @@ AtaBlockIoFlushBlocksEx ( @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.
@retval EFI_SUCCESS The command was accepted without any errors.
- @retval EFI_NOT_FOUND Device does not support this data class
- @retval EFI_DEVICE_ERROR Error reading InquiryData from device
- @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough
+ @retval EFI_NOT_FOUND Device does not support this data class
+ @retval EFI_DEVICE_ERROR Error reading InquiryData from device
+ @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough
**/
EFI_STATUS
@@ -799,16 +817,16 @@ AtaDiskInfoInquiry ( This function is used by the IDE bus driver to get identify data. Data format
of Identify data is defined by the Interface GUID.
- @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL
+ @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL
instance.
@param[in, out] IdentifyData Pointer to a buffer for the identify data.
@param[in, out] IdentifyDataSize Pointer to the value for the identify data
size.
@retval EFI_SUCCESS The command was accepted without any errors.
- @retval EFI_NOT_FOUND Device does not support this data class
- @retval EFI_DEVICE_ERROR Error reading IdentifyData from device
- @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough
+ @retval EFI_NOT_FOUND Device does not support this data class
+ @retval EFI_DEVICE_ERROR Error reading IdentifyData from device
+ @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough
**/
EFI_STATUS
@@ -822,8 +840,8 @@ AtaDiskInfoIdentify ( /**
Provides sense data information for the controller type.
-
- This function is used by the IDE bus driver to get sense data.
+
+ This function is used by the IDE bus driver to get sense data.
Data format of Sense data is defined by the Interface GUID.
@param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
@@ -850,7 +868,7 @@ AtaDiskInfoSenseData ( /**
This function is used by the IDE bus driver to get controller information.
- @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
+ @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.
@param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.
@param[out] IdeDevice Pointer to the Ide Device number. Master or slave.
|