mirror of https://github.com/acidanthera/audk.git
156 lines
7.2 KiB
C++
156 lines
7.2 KiB
C++
/** @file
|
|
|
|
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef _EDKII_NVME_PASS_THRU_PPI_H_
|
|
#define _EDKII_NVME_PASS_THRU_PPI_H_
|
|
|
|
#include <Protocol/DevicePath.h>
|
|
#include <Protocol/NvmExpressPassthru.h>
|
|
|
|
///
|
|
/// Global ID for the EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI.
|
|
///
|
|
#define EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI_GUID \
|
|
{ \
|
|
0x6af31b2c, 0x3be, 0x46c1, { 0xb1, 0x2d, 0xea, 0x4a, 0x36, 0xdf, 0xa7, 0x4c } \
|
|
}
|
|
|
|
//
|
|
// Forward declaration for the EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI.
|
|
//
|
|
typedef struct _EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI;
|
|
|
|
//
|
|
// Revision The revision to which the Nvme Pass Thru PPI interface adheres.
|
|
// All future revisions must be backwards compatible.
|
|
// If a future version is not back wards compatible it is not the same GUID.
|
|
//
|
|
#define EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI_REVISION 0x00010000
|
|
|
|
/**
|
|
Gets the device path information of the underlying NVM Express host controller.
|
|
|
|
@param[in] This The PPI instance pointer.
|
|
@param[out] DevicePathLength The length of the device path in bytes specified
|
|
by DevicePath.
|
|
@param[out] DevicePath The device path of the underlying NVM Express
|
|
host controller.
|
|
This field re-uses EFI Device Path Protocol as
|
|
defined by Section 10.2 EFI Device Path Protocol
|
|
of UEFI 2.7 Specification.
|
|
|
|
@retval EFI_SUCCESS The operation succeeds.
|
|
@retval EFI_INVALID_PARAMETER DevicePathLength or DevicePath is NULL.
|
|
@retval EFI_OUT_OF_RESOURCES The operation fails due to lack of resources.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_PEI_NVME_PASS_THRU_GET_DEVICE_PATH)(
|
|
IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
|
|
OUT UINTN *DevicePathLength,
|
|
OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
|
|
);
|
|
|
|
/**
|
|
Used to retrieve the next namespace ID for this NVM Express controller.
|
|
|
|
If on input the value pointed to by NamespaceId is 0xFFFFFFFF, then the first
|
|
valid namespace ID defined on the NVM Express controller is returned in the
|
|
location pointed to by NamespaceId and a status of EFI_SUCCESS is returned.
|
|
|
|
If on input the value pointed to by NamespaceId is an invalid namespace ID
|
|
other than 0xFFFFFFFF, then EFI_INVALID_PARAMETER is returned.
|
|
|
|
If on input the value pointed to by NamespaceId is a valid namespace ID, then
|
|
the next valid namespace ID on the NVM Express controller is returned in the
|
|
location pointed to by NamespaceId, and EFI_SUCCESS is returned.
|
|
|
|
If the value pointed to by NamespaceId is the namespace ID of the last
|
|
namespace on the NVM Express controller, then EFI_NOT_FOUND is returned.
|
|
|
|
@param[in] This The PPI instance pointer.
|
|
@param[in,out] NamespaceId On input, a pointer to a legal NamespaceId
|
|
for an NVM Express namespace present on the
|
|
NVM Express controller. On output, a pointer
|
|
to the next NamespaceId of an NVM Express
|
|
namespace on an NVM Express controller. An
|
|
input value of 0xFFFFFFFF retrieves the
|
|
first NamespaceId for an NVM Express
|
|
namespace present on an NVM Express
|
|
controller.
|
|
|
|
@retval EFI_SUCCESS The Namespace ID of the next Namespace was
|
|
returned.
|
|
@retval EFI_NOT_FOUND There are no more namespaces defined on this
|
|
controller.
|
|
@retval EFI_INVALID_PARAMETER NamespaceId is an invalid value other than
|
|
0xFFFFFFFF.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_PEI_NVME_PASS_THRU_GET_NEXT_NAMESPACE)(
|
|
IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
|
|
IN OUT UINT32 *NamespaceId
|
|
);
|
|
|
|
/**
|
|
Sends an NVM Express Command Packet to an NVM Express controller or namespace. This function only
|
|
supports blocking execution of the command.
|
|
|
|
@param[in] This The PPI instance pointer.
|
|
@param[in] NamespaceId Is a 32 bit Namespace ID to which the Nvm Express command packet will
|
|
be sent.
|
|
A Value of 0 denotes the NVM Express controller, a Value of all 0FFh in
|
|
the namespace ID specifies that the command packet should be sent to all
|
|
valid namespaces.
|
|
@param[in,out] Packet A pointer to the EDKII PEI NVM Express PassThru Command Packet to send
|
|
to the NVMe namespace specified by NamespaceId.
|
|
|
|
@retval EFI_SUCCESS The EDKII PEI NVM Express Command Packet was sent by the host.
|
|
TransferLength bytes were transferred to, or from DataBuffer.
|
|
@retval EFI_NOT_READY The EDKII PEI NVM Express Command Packet could not be sent because
|
|
the controller is not ready. The caller may retry again later.
|
|
@retval EFI_DEVICE_ERROR A device error occurred while attempting to send the EDKII PEI NVM
|
|
Express Command Packet.
|
|
@retval EFI_INVALID_PARAMETER Namespace, or the contents of EDKII_PEI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET
|
|
are invalid.
|
|
The EDKII PEI NVM Express Command Packet was not sent, so no
|
|
additional status information is available.
|
|
@retval EFI_UNSUPPORTED The command described by the EDKII PEI NVM Express Command Packet
|
|
is not supported by the host adapter.
|
|
The EDKII PEI NVM Express Command Packet was not sent, so no
|
|
additional status information is available.
|
|
@retval EFI_TIMEOUT A timeout occurred while waiting for the EDKII PEI NVM Express Command
|
|
Packet to execute.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EDKII_PEI_NVME_PASS_THRU_PASSTHRU)(
|
|
IN EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI *This,
|
|
IN UINT32 NamespaceId,
|
|
IN OUT EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET *Packet
|
|
);
|
|
|
|
//
|
|
// This PPI contains a set of services to send commands
|
|
// to a mass storage device.
|
|
//
|
|
struct _EDKII_PEI_NVM_EXPRESS_PASS_THRU_PPI {
|
|
UINT64 Revision;
|
|
EFI_NVM_EXPRESS_PASS_THRU_MODE *Mode;
|
|
EDKII_PEI_NVME_PASS_THRU_GET_DEVICE_PATH GetDevicePath;
|
|
EDKII_PEI_NVME_PASS_THRU_GET_NEXT_NAMESPACE GetNextNameSpace;
|
|
EDKII_PEI_NVME_PASS_THRU_PASSTHRU PassThru;
|
|
};
|
|
|
|
extern EFI_GUID gEdkiiPeiNvmExpressPassThruPpiGuid;
|
|
|
|
#endif
|