NVM Express controller or to a specific namespace in a NVM Express controller.\r
This protocol interface is optimized for storage.\r
\r
- Copyright (c) 2013 - 2015, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php.\r
+ Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ @par Revision Reference:\r
+ This Protocol was introduced in UEFI Specification 2.5.\r
\r
**/\r
\r
typedef struct _EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL;\r
\r
typedef struct {\r
- UINT32 Attributes;\r
- UINT32 IoAlign;\r
- UINT32 NvmeVersion;\r
+ UINT32 Attributes;\r
+ UINT32 IoAlign;\r
+ UINT32 NvmeVersion;\r
} EFI_NVM_EXPRESS_PASS_THRU_MODE;\r
\r
//\r
// If this bit is set, then the EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL interface is\r
// for directly addressable namespaces.\r
//\r
-#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_PHYSICAL 0x0001\r
+#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_PHYSICAL 0x0001\r
//\r
// If this bit is set, then the EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL interface is\r
// for a single volume logical namespace comprised of multiple namespaces.\r
//\r
-#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_LOGICAL 0x0002\r
+#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_LOGICAL 0x0002\r
//\r
// If this bit is set, then the EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL interface\r
// supports non-blocking I/O.\r
//\r
-#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_NONBLOCKIO 0x0004\r
+#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_NONBLOCKIO 0x0004\r
//\r
// If this bit is set, then the EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL interface\r
// supports NVM command set.\r
//\r
-#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_CMD_SET_NVM 0x0008\r
+#define EFI_NVM_EXPRESS_PASS_THRU_ATTRIBUTES_CMD_SET_NVM 0x0008\r
\r
//\r
// FusedOperation\r
//\r
-#define NORMAL_CMD 0x00\r
-#define FUSED_FIRST_CMD 0x01\r
-#define FUSED_SECOND_CMD 0x02\r
+#define NORMAL_CMD 0x00\r
+#define FUSED_FIRST_CMD 0x01\r
+#define FUSED_SECOND_CMD 0x02\r
\r
typedef struct {\r
- UINT32 Opcode:8;\r
- UINT32 FusedOperation:2;\r
- UINT32 Reserved:22;\r
+ UINT32 Opcode : 8;\r
+ UINT32 FusedOperation : 2;\r
+ UINT32 Reserved : 22;\r
} NVME_CDW0;\r
\r
//\r
// Flags\r
//\r
-#define CDW2_VALID 0x01\r
-#define CDW3_VALID 0x02\r
-#define CDW10_VALID 0x04\r
-#define CDW11_VALID 0x08\r
-#define CDW12_VALID 0x10\r
-#define CDW13_VALID 0x20\r
-#define CDW14_VALID 0x40\r
-#define CDW15_VALID 0x80\r
+#define CDW2_VALID 0x01\r
+#define CDW3_VALID 0x02\r
+#define CDW10_VALID 0x04\r
+#define CDW11_VALID 0x08\r
+#define CDW12_VALID 0x10\r
+#define CDW13_VALID 0x20\r
+#define CDW14_VALID 0x40\r
+#define CDW15_VALID 0x80\r
\r
//\r
// Queue Type\r
//\r
-#define NVME_ADMIN_QUEUE 0x00\r
-#define NVME_IO_QUEUE 0x01\r
+#define NVME_ADMIN_QUEUE 0x00\r
+#define NVME_IO_QUEUE 0x01\r
\r
typedef struct {\r
- NVME_CDW0 Cdw0;\r
- UINT8 Flags;\r
- UINT32 Nsid;\r
- UINT32 Cdw2;\r
- UINT32 Cdw3;\r
- UINT32 Cdw10;\r
- UINT32 Cdw11;\r
- UINT32 Cdw12;\r
- UINT32 Cdw13;\r
- UINT32 Cdw14;\r
- UINT32 Cdw15;\r
+ NVME_CDW0 Cdw0;\r
+ UINT8 Flags;\r
+ UINT32 Nsid;\r
+ UINT32 Cdw2;\r
+ UINT32 Cdw3;\r
+ UINT32 Cdw10;\r
+ UINT32 Cdw11;\r
+ UINT32 Cdw12;\r
+ UINT32 Cdw13;\r
+ UINT32 Cdw14;\r
+ UINT32 Cdw15;\r
} EFI_NVM_EXPRESS_COMMAND;\r
\r
typedef struct {\r
- UINT32 DW0;\r
- UINT32 DW1;\r
- UINT32 DW2;\r
- UINT32 DW3;\r
+ UINT32 DW0;\r
+ UINT32 DW1;\r
+ UINT32 DW2;\r
+ UINT32 DW3;\r
} EFI_NVM_EXPRESS_COMPLETION;\r
\r
typedef struct {\r
- UINT64 CommandTimeout;\r
- VOID *TransferBuffer;\r
- UINT32 TransferLength;\r
- VOID *MetadataBuffer;\r
- UINT32 MetadataLength;\r
- UINT8 QueueType;\r
- EFI_NVM_EXPRESS_COMMAND *NvmeCmd;\r
- EFI_NVM_EXPRESS_COMPLETION *NvmeCompletion;\r
+ UINT64 CommandTimeout;\r
+ VOID *TransferBuffer;\r
+ UINT32 TransferLength;\r
+ VOID *MetadataBuffer;\r
+ UINT32 MetadataLength;\r
+ UINT8 QueueType;\r
+ EFI_NVM_EXPRESS_COMMAND *NvmeCmd;\r
+ EFI_NVM_EXPRESS_COMPLETION *NvmeCompletion;\r
} EFI_NVM_EXPRESS_PASS_THRU_COMMAND_PACKET;\r
\r
//\r
// Protocol function prototypes\r
//\r
+\r
/**\r
Sends an NVM Express Command Packet to an NVM Express controller or namespace. This function supports\r
both blocking I/O and non-blocking I/O. The blocking I/O functionality is required, and the non-blocking\r
@param[in] Event If non-blocking I/O is not supported then Event is ignored, and blocking I/O is performed.\r
If Event is NULL, then blocking I/O is performed. If Event is not NULL and non-blocking I/O\r
is supported, then non-blocking I/O is performed, and Event will be signaled when the NVM\r
- Express Command Packet completes. \r
+ Express Command Packet completes.\r
\r
@retval EFI_SUCCESS The NVM Express Command Packet was sent by the host. TransferLength bytes were transferred\r
to, or from DataBuffer.\r
Used to retrieve the next namespace ID for this NVM Express controller.\r
\r
The EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL.GetNextNamespace() function retrieves the next valid\r
- namespace ID on this NVM Express controller. \r
+ namespace ID on this NVM Express controller.\r
\r
If on input the value pointed to by NamespaceId is 0xFFFFFFFF, then the first valid namespace\r
ID defined on the NVM Express controller is returned in the location pointed to by NamespaceId\r
\r
If the NamespaceId is not valid, then EFI_NOT_FOUND is returned.\r
\r
- If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned. \r
+ If DevicePath is NULL, then EFI_INVALID_PARAMETER is returned.\r
\r
If there are not enough resources to allocate the device path node, then EFI_OUT_OF_RESOURCES is returned.\r
\r
@param[in] NamespaceId The NVM Express namespace ID for which a device path node is to be\r
allocated and built. Caller must set the NamespaceId to zero if the\r
device path node will contain a valid UUID.\r
- @param[in,out] DevicePath A pointer to a single device path node that describes the NVM Express\r
+ @param[out] DevicePath A pointer to a single device path node that describes the NVM Express\r
namespace specified by NamespaceId. This function is responsible for\r
allocating the buffer DevicePath with the boot service AllocatePool().\r
It is the caller's responsibility to free DevicePath when the caller\r
(EFIAPI *EFI_NVM_EXPRESS_PASS_THRU_BUILD_DEVICE_PATH)(\r
IN EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL *This,\r
IN UINT32 NamespaceId,\r
- IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r
+ OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r
);\r
\r
/**\r
(EFIAPI *EFI_NVM_EXPRESS_PASS_THRU_GET_NAMESPACE)(\r
IN EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL *This,\r
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r
- OUT UINT32 *NamespaceId\r
+ OUT UINT32 *NamespaceId\r
);\r
\r
//\r
// Protocol Interface Structure\r
//\r
struct _EFI_NVM_EXPRESS_PASS_THRU_PROTOCOL {\r
- EFI_NVM_EXPRESS_PASS_THRU_MODE *Mode;\r
- EFI_NVM_EXPRESS_PASS_THRU_PASSTHRU PassThru;\r
- EFI_NVM_EXPRESS_PASS_THRU_GET_NEXT_NAMESPACE GetNextNamespace;\r
- EFI_NVM_EXPRESS_PASS_THRU_BUILD_DEVICE_PATH BuildDevicePath;\r
- EFI_NVM_EXPRESS_PASS_THRU_GET_NAMESPACE GetNamespace;\r
+ EFI_NVM_EXPRESS_PASS_THRU_MODE *Mode;\r
+ EFI_NVM_EXPRESS_PASS_THRU_PASSTHRU PassThru;\r
+ EFI_NVM_EXPRESS_PASS_THRU_GET_NEXT_NAMESPACE GetNextNamespace;\r
+ EFI_NVM_EXPRESS_PASS_THRU_BUILD_DEVICE_PATH BuildDevicePath;\r
+ EFI_NVM_EXPRESS_PASS_THRU_GET_NAMESPACE GetNamespace;\r
};\r
\r
-extern EFI_GUID gEfiNvmExpressPassThruProtocolGuid;\r
+extern EFI_GUID gEfiNvmExpressPassThruProtocolGuid;\r
\r
#endif\r
-\r
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