Adding upstream version 1.0.upstream/1.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4407 insertions, 0 deletions

diff --git a/src/nvme/ioctl.h b/src/nvme/ioctl.h
new file mode 100644
index 0000000..ab3797d
--- /dev/null
+++ b/src/nvme/ioctl.h
@@ -0,0 +1,4407 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * This file is part of libnvme.
+ * Copyright (c) 2020 Western Digital Corporation or its affiliates.
+ *
+ * Authors: Keith Busch <keith.busch@wdc.com>
+ * 	    Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
+ */
+
+#ifndef _LIBNVME_IOCTL_H
+#define _LIBNVME_IOCTL_H
+
+#include <stddef.h>
+#include <sys/ioctl.h>
+#include "types.h"
+
+/*
+ * We can not always count on the kernel UAPI being installed. Use the same
+ * 'ifdef' guard to avoid double definitions just in case.
+ */
+#ifndef _UAPI_LINUX_NVME_IOCTL_H
+#define _UAPI_LINUX_NVME_IOCTL_H
+
+#ifndef _LINUX_NVME_IOCTL_H
+#define _LINUX_NVME_IOCTL_H
+
+/**
+ * DOC: ioctl.h
+ *
+ * Linux NVMe ioctl interface functions
+ */
+
+/* '0' is interpreted by the kernel to mean 'apply the default timeout' */
+#define NVME_DEFAULT_IOCTL_TIMEOUT 0
+
+/**
+ * struct nvme_passthru_cmd - nvme passthrough command structure
+ * @opcode:	Operation code, see &enum nvme_io_opcodes and &enum nvme_admin_opcodes
+ * @flags:	Not supported: intended for command flags (eg: SGL, FUSE)
+ * @rsvd1:	Reserved for future use
+ * @nsid:	Namespace Identifier, or Fabrics type
+ * @cdw2:	Command Dword 2 (no spec defined use)
+ * @cdw3:	Command Dword 3 (no spec defined use)
+ * @metadata:	User space address to metadata buffer (NULL if not used)
+ * @addr:	User space address to data buffer (NULL if not used)
+ * @metadata_len: Metadata buffer transfer length
+ * @data_len:	Data buffer transfer length
+ * @cdw10:	Command Dword 10 (command specific)
+ * @cdw11:	Command Dword 11 (command specific)
+ * @cdw12:	Command Dword 12 (command specific)
+ * @cdw13:	Command Dword 13 (command specific)
+ * @cdw14:	Command Dword 14 (command specific)
+ * @cdw15:	Command Dword 15 (command specific)
+ * @timeout_ms:	If non-zero, overrides system default timeout in milliseconds
+ * @result:	Set on completion to the command's CQE DWORD 0 controller response
+ */
+struct nvme_passthru_cmd {
+	__u8	opcode;
+	__u8	flags;
+	__u16	rsvd1;
+	__u32	nsid;
+	__u32	cdw2;
+	__u32	cdw3;
+	__u64	metadata;
+	__u64	addr;
+	__u32	metadata_len;
+	__u32	data_len;
+	__u32	cdw10;
+	__u32	cdw11;
+	__u32	cdw12;
+	__u32	cdw13;
+	__u32	cdw14;
+	__u32	cdw15;
+	__u32	timeout_ms;
+	__u32	result;
+};
+
+/**
+ * struct nvme_passthru_cmd64 - 64-bit nvme passthrough command structure
+ * @opcode:	Operation code, see &enum nvme_io_opcodes and &enum nvme_admin_opcodes
+ * @flags:	Not supported: intended for command flags (eg: SGL, FUSE)
+ * @rsvd1:	Reserved for future use
+ * @nsid:	Namespace Identifier, or Fabrics type
+ * @cdw2:	Command Dword 2 (no spec defined use)
+ * @cdw3:	Command Dword 3 (no spec defined use)
+ * @metadata:	User space address to metadata buffer (NULL if not used)
+ * @addr:	User space address to data buffer (NULL if not used)
+ * @metadata_len: Metadata buffer transfer length
+ * @data_len:	Data buffer transfer length
+ * @cdw10:	Command Dword 10 (command specific)
+ * @cdw11:	Command Dword 11 (command specific)
+ * @cdw12:	Command Dword 12 (command specific)
+ * @cdw13:	Command Dword 13 (command specific)
+ * @cdw14:	Command Dword 14 (command specific)
+ * @cdw15:	Command Dword 15 (command specific)
+ * @timeout_ms:	If non-zero, overrides system default timeout in milliseconds
+ * @rsvd2:	Reserved for future use (and fills an impicit struct pad
+ * @result:	Set on completion to the command's CQE DWORD 0-1 controller response
+ */
+struct nvme_passthru_cmd64 {
+        __u8    opcode;
+        __u8    flags;
+        __u16   rsvd1;
+        __u32   nsid;
+        __u32   cdw2;
+        __u32   cdw3;
+        __u64   metadata;
+        __u64   addr;
+        __u32   metadata_len;
+        __u32   data_len;
+        __u32   cdw10;
+        __u32   cdw11;
+        __u32   cdw12;
+        __u32   cdw13;
+        __u32   cdw14;
+        __u32   cdw15;
+        __u32   timeout_ms;
+        __u32   rsvd2;
+        __u64   result;
+};
+
+#define NVME_IOCTL_ID		_IO('N', 0x40)
+#define NVME_IOCTL_RESET	_IO('N', 0x44)
+#define NVME_IOCTL_SUBSYS_RESET	_IO('N', 0x45)
+#define NVME_IOCTL_RESCAN	_IO('N', 0x46)
+#define NVME_IOCTL_ADMIN_CMD	_IOWR('N', 0x41, struct nvme_passthru_cmd)
+#define NVME_IOCTL_IO_CMD	_IOWR('N', 0x43, struct nvme_passthru_cmd)
+#define NVME_IOCTL_ADMIN64_CMD  _IOWR('N', 0x47, struct nvme_passthru_cmd64)
+#define NVME_IOCTL_IO64_CMD     _IOWR('N', 0x48, struct nvme_passthru_cmd64)
+
+#endif /* _UAPI_LINUX_NVME_IOCTL_H */
+
+#endif /* _LINUX_NVME_IOCTL_H */
+
+/**
+ * nvme_submit_admin_passthru64() - Submit a 64-bit nvme passthrough admin
+ * 				    command
+ * @fd:		File descriptor of nvme device
+ * @cmd:	The nvme admin command to send
+ * @result:	Optional field to return the result from the CQE DW0-1
+ *
+ * Uses NVME_IOCTL_ADMIN64_CMD for the ioctl request.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_submit_admin_passthru64(int fd, struct nvme_passthru_cmd64 *cmd,
+				 __u64 *result);
+
+/**
+ * nvme_admin_passthru64() - Submit a 64-bit nvme passthrough command
+ * @fd:		File descriptor of nvme device
+ * @opcode:	The nvme io command to send
+ * @flags:	NVMe command flags (not used)
+ * @rsvd:	Reserevd for future use
+ * @nsid:	Namespace identifier
+ * @cdw2:	Command dword 2
+ * @cdw3:	Command dword 3
+ * @cdw10:	Command dword 10
+ * @cdw11:	Command dword 11
+ * @cdw12:	Command dword 12
+ * @cdw13:	Command dword 13
+ * @cdw14:	Command dword 14
+ * @cdw15:	Command dword 15
+ * @data_len:	Length of the data transfered in this command in bytes
+ * @data:	Pointer to user address of the data buffer
+ * @metadata_len:Length of metadata transfered in this command
+ * @metadata:	Pointer to user address of the metadata buffer
+ * @timeout_ms:	How long the kernel waits for the command to complete
+ * @result:	Optional field to return the result from the CQE dword 0
+ *
+ * Parameterized form of nvme_submit_admin_passthru64(). This sets up and
+ * submits a &struct nvme_passthru_cmd64.
+ *
+ * Known values for @opcode are defined in &enum nvme_admin_opcode.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_admin_passthru64(int fd, __u8 opcode, __u8 flags, __u16 rsvd,
+		__u32 nsid, __u32 cdw2, __u32 cdw3, __u32 cdw10, __u32 cdw11,
+		__u32 cdw12, __u32 cdw13, __u32 cdw14, __u32 cdw15,
+		__u32 data_len, void *data, __u32 metadata_len, void *metadata,
+		__u32 timeout_ms, __u64 *result);
+
+/**
+ * nvme_submit_admin_passthru() - Submit an nvme passthrough admin command
+ * @fd:		File descriptor of nvme device
+ * @cmd:	The nvme admin command to send
+ * @result:	Optional field to return the result from the CQE DW0
+ *
+ * Uses NVME_IOCTL_ADMIN_CMD for the ioctl request.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_submit_admin_passthru(int fd, struct nvme_passthru_cmd *cmd,
+			       __u32 *result);
+
+/**
+ * nvme_admin_passthru() - Submit an nvme passthrough command
+ * @fd:		File descriptor of nvme device
+ * @opcode:	The nvme io command to send
+ * @flags:	NVMe command flags (not used)
+ * @rsvd:	Reserevd for future use
+ * @nsid:	Namespace identifier
+ * @cdw2:	Command dword 2
+ * @cdw3:	Command dword 3
+ * @cdw10:	Command dword 10
+ * @cdw11:	Command dword 11
+ * @cdw12:	Command dword 12
+ * @cdw13:	Command dword 13
+ * @cdw14:	Command dword 14
+ * @cdw15:	Command dword 15
+ * @data_len:	Length of the data transfered in this command in bytes
+ * @data:	Pointer to user address of the data buffer
+ * @metadata_len:Length of metadata transfered in this command
+ * @metadata:	Pointer to user address of the metadata buffer
+ * @timeout_ms:	How long the kernel waits for the command to complete
+ * @result:	Optional field to return the result from the CQE dword 0
+ *
+ * Parameterized form of nvme_submit_admin_passthru(). This sets up and
+ * submits a &struct nvme_passthru_cmd.
+ *
+ * Known values for @opcode are defined in &enum nvme_admin_opcode.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_admin_passthru(int fd, __u8 opcode, __u8 flags, __u16 rsvd,
+		__u32 nsid, __u32 cdw2, __u32 cdw3, __u32 cdw10, __u32 cdw11,
+		__u32 cdw12, __u32 cdw13, __u32 cdw14, __u32 cdw15,
+		__u32 data_len, void *data, __u32 metadata_len, void *metadata,
+		__u32 timeout_ms, __u32 *result);
+
+/**
+ * nvme_submit_io_passthru64() - Submit a 64-bit nvme passthrough command
+ * @fd:		File descriptor of nvme device
+ * @cmd:	The nvme io command to send
+ * @result:	Optional field to return the result from the CQE DW0-1
+ *
+ * Uses NVME_IOCTL_IO64_CMD for the ioctl request.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_submit_io_passthru64(int fd, struct nvme_passthru_cmd64 *cmd,
+			    __u64 *result);
+
+/**
+ * nvme_io_passthru64() - Submit an nvme io passthrough command
+ * @fd:		File descriptor of nvme device
+ * @opcode:	The nvme io command to send
+ * @flags:	NVMe command flags (not used)
+ * @rsvd:	Reserevd for future use
+ * @nsid:	Namespace identifier
+ * @cdw2:	Command dword 2
+ * @cdw3:	Command dword 3
+ * @cdw10:	Command dword 10
+ * @cdw11:	Command dword 11
+ * @cdw12:	Command dword 12
+ * @cdw13:	Command dword 13
+ * @cdw14:	Command dword 14
+ * @cdw15:	Command dword 15
+ * @data_len:	Length of the data transfered in this command in bytes
+ * @data:	Pointer to user address of the data buffer
+ * @metadata_len:Length of metadata transfered in this command
+ * @metadata:	Pointer to user address of the metadata buffer
+ * @timeout_ms:	How long the kernel waits for the command to complete
+ * @result:	Optional field to return the result from the CQE dword 0
+ *
+ * Parameterized form of nvme_submit_io_passthru64(). This sets up and submits
+ * a &struct nvme_passthru_cmd64.
+ *
+ * Known values for @opcode are defined in &enum nvme_io_opcode.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_io_passthru64(int fd, __u8 opcode, __u8 flags, __u16 rsvd,
+		__u32 nsid, __u32 cdw2, __u32 cdw3, __u32 cdw10, __u32 cdw11,
+		__u32 cdw12, __u32 cdw13, __u32 cdw14, __u32 cdw15,
+		__u32 data_len, void *data, __u32 metadata_len, void *metadata,
+		__u32 timeout_ms, __u64 *result);
+
+/**
+ * nvme_submit_io_passthru() - Submit an nvme passthrough command
+ * @fd:		File descriptor of nvme device
+ * @cmd:	The nvme io command to send
+ * @result:	Optional field to return the result from the CQE dword 0
+ * @result:	Optional field to return the result from the CQE DW0
+ *
+ * Uses NVME_IOCTL_IO_CMD for the ioctl request.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_submit_io_passthru(int fd, struct nvme_passthru_cmd *cmd,
+			    __u32 *result);
+
+/**
+ * nvme_io_passthru() - Submit an nvme io passthrough command
+ * @fd:		File descriptor of nvme device
+ * @opcode:	The nvme io command to send
+ * @flags:	NVMe command flags (not used)
+ * @rsvd:	Reserevd for future use
+ * @nsid:	Namespace identifier
+ * @cdw2:	Command dword 2
+ * @cdw3:	Command dword 3
+ * @cdw10:	Command dword 10
+ * @cdw11:	Command dword 11
+ * @cdw12:	Command dword 12
+ * @cdw13:	Command dword 13
+ * @cdw14:	Command dword 14
+ * @cdw15:	Command dword 15
+ * @data_len:	Length of the data transfered in this command in bytes
+ * @data:	Pointer to user address of the data buffer
+ * @metadata_len:Length of metadata transfered in this command
+ * @metadata:	Pointer to user address of the metadata buffer
+ * @timeout_ms:	How long the kernel waits for the command to complete
+ * @result:	Optional field to return the result from the CQE dword 0
+ *
+ * Parameterized form of nvme_submit_io_passthru(). This sets up and submits
+ * a &struct nvme_passthru_cmd.
+ *
+ * Known values for @opcode are defined in &enum nvme_io_opcode.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_io_passthru(int fd, __u8 opcode, __u8 flags, __u16 rsvd,
+		__u32 nsid, __u32 cdw2, __u32 cdw3, __u32 cdw10, __u32 cdw11,
+		__u32 cdw12, __u32 cdw13, __u32 cdw14, __u32 cdw15,
+		__u32 data_len, void *data, __u32 metadata_len, void *metadata,
+		__u32 timeout_ms, __u32 *result);
+
+/**
+ * nvme_subsystem_reset() - Initiate a subsystem reset
+ * @fd:		File descriptor of nvme device
+ *
+ * This should only be sent to controller handles, not to namespaces.
+ *
+ * Return: Zero if a subsystem reset was initiated or -1 with errno set
+ * otherwise.
+ */
+int nvme_subsystem_reset(int fd);
+
+/**
+ * nvme_ctrl_reset() - Initiate a controller reset
+ * @fd:		File descriptor of nvme device
+ *
+ * This should only be sent to controller handles, not to namespaces.
+ *
+ * Return: 0 if a reset was initiated or -1 with errno set otherwise.
+ */
+int nvme_ctrl_reset(int fd);
+
+/**
+ * nvme_ns_rescan() - Initiate a controller rescan
+ * @fd:		File descriptor of nvme device
+ *
+ * This should only be sent to controller handles, not to namespaces.
+ *
+ * Return: 0 if a rescan was initiated or -1 with errno set otherwise.
+ */
+int nvme_ns_rescan(int fd);
+
+/**
+ * nvme_get_nsid() - Retrieve the NSID from a namespace file descriptor
+ * @fd:		File descriptor of nvme namespace
+ * @nsid:	User pointer to namespace id
+ *
+ * This should only be sent to namespace handles, not to controllers. The
+ * kernel's interface returns the nsid as the return value. This is unfortunate
+ * for many architectures that are incapable of allowing distinguishing a
+ * namespace id > 0x80000000 from a negative error number.
+ *
+ * Return: 0 if @nsid was set successfully or -1 with errno set otherwise.
+ */
+int nvme_get_nsid(int fd, __u32 *nsid);
+
+/**
+ * struct nvme_identify_args - Arguments for the NVMe Identify command
+ * @result:		The command completion result from CQE dword0
+ * @data:		User space destination address to transfer the data
+ * @args_size:		Size of &struct nvme_identify_args
+ * @fd:			File descriptor of nvme device
+ * @timeout:		Timeout in ms (0 for default timeout)
+ * @cns:		The Controller or Namespace structure, see @enum nvme_identify_cns
+ * @csi:		Command Set Identifier
+ * @nsid:		Namespace identifier, if applicable
+ * @cntid:		The Controller Identifier, if applicable
+ * @cns_specific_id:	Identifier that is required for a particular CNS value
+ * @uuidx:		UUID Index if controller supports this id selection method
+ */
+struct nvme_identify_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	enum nvme_identify_cns cns;
+	enum nvme_csi csi;
+	__u32 nsid;
+	__u16 cntid;
+	__u16 cns_specific_id;
+	__u8 uuidx;
+};
+
+/**
+ * nvme_identify() - Send the NVMe Identify command
+ * @args:	&struct nvme_identify_args argument structure
+ *
+ * The Identify command returns a data buffer that describes information about
+ * the NVM subsystem, the controller or the namespace(s).
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_identify(struct nvme_identify_args *args);
+
+static int nvme_identify_cns_nsid(int fd, enum nvme_identify_cns cns,
+			__u32 nsid, void *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = cns,
+		.csi = NVME_CSI_NVM,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_ctrl() - Retrieves nvme identify controller
+ * @fd:		File descriptor of nvme device
+ * @id:		User space destination address to transfer the data,
+ *
+ * Sends nvme identify with CNS value %NVME_IDENTIFY_CNS_CTRL.
+ *
+ * See &struct nvme_id_ctrl for details on the data returned.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ctrl(int fd, struct nvme_id_ctrl *id)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_CTRL,
+				      NVME_NSID_NONE, id);
+}
+
+/**
+ * nvme_identify_ns() - Retrieves nvme identify namespace
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace to identify
+ * @ns:		User space destination address to transfer the data
+ *
+ * If the Namespace Identifier (NSID) field specifies an active NSID, then the
+ * Identify Namespace data structure is returned to the host for that specified
+ * namespace.
+ *
+ * If the controller supports the Namespace Management capability and the NSID
+ * field is set to %NVME_NSID_ALL, then the controller returns an Identify Namespace
+ * data structure that specifies capabilities that are common across namespaces
+ * for this controller.
+ *
+ * See &struct nvme_id_ns for details on the structure returned.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ns(int fd, __u32 nsid, struct nvme_id_ns *ns)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_NS, nsid, ns);
+}
+
+/**
+ * nvme_identify_allocated_ns() - Same as nvme_identify_ns, but only for
+ * 				  allocated namespaces
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace to identify
+ * @ns:		User space destination address to transfer the data
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_allocated_ns(int fd, __u32 nsid,
+			struct nvme_id_ns *ns)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_ALLOCATED_NS,
+				      nsid, ns);
+}
+
+/**
+ * nvme_identify_active_ns_list() - Retrieves active namespaces id list
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return namespaces greater than this identifer
+ * @list:	User space destination address to transfer the data
+ *
+ * A list of 1024 namespace IDs is returned to the host containing NSIDs in
+ * increasing order that are greater than the value specified in the Namespace
+ * Identifier (nsid) field of the command.
+ *
+ * See &struct nvme_ns_list for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_active_ns_list(int fd, __u32 nsid,
+			struct nvme_ns_list *list)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_NS_ACTIVE_LIST,
+				      nsid, list);
+}
+
+/**
+ * nvme_identify_allocated_ns_list() - Retrieves allocated namespace id list
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return namespaces greater than this identifer
+ * @list:	User space destination address to transfer the data
+ *
+ * A list of 1024 namespace IDs is returned to the host containing NSIDs in
+ * increasing order that are greater than the value specified in the Namespace
+ * Identifier (nsid) field of the command.
+ *
+ * See &struct nvme_ns_list for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_allocated_ns_list(int fd, __u32 nsid,
+			struct nvme_ns_list *list)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_ALLOCATED_NS_LIST,
+				      nsid, list);
+}
+
+/**
+ * nvme_identify_ctrl_list() - Retrieves identify controller list
+ * @fd:		File descriptor of nvme device
+ * @cntid:	Starting CNTLID to return in the list
+ * @cntlist:	User space destination address to transfer the data
+ *
+ * Up to 2047 controller identifiers is returned containing a controller
+ * identifier greater than or equal to the controller identifier  specified in
+ * @cntid.
+ *
+ * See &struct nvme_ctrl_list for a definition of the structure returned.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ctrl_list(int fd, __u16 cntid,
+			struct nvme_ctrl_list *cntlist)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = cntlist,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CTRL_LIST,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = cntid,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_nsid_ctrl_list() - Retrieves controller list attached to an nsid
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return controllers that are attached to this nsid
+ * @cntid:	Starting CNTLID to return in the list
+ * @cntlist:	User space destination address to transfer the data
+ *
+ * Up to 2047 controller identifiers are returned containing a controller
+ * identifier greater than or equal to the controller identifier  specified in
+ * @cntid attached to @nsid.
+ *
+ * See &struct nvme_ctrl_list for a definition of the structure returned.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1
+ */
+static inline int nvme_identify_nsid_ctrl_list(int fd, __u32 nsid, __u16 cntid,
+			struct nvme_ctrl_list *cntlist)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = cntlist,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_NS_CTRL_LIST,
+		.csi = NVME_CSI_NVM,
+		.nsid = nsid,
+		.cntid = cntid,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_ns_descs() - Retrieves namespace descriptor list
+ * @fd:		File descriptor of nvme device
+ * @nsid:	The namespace id to retrieve destriptors
+ * @descs:	User space destination address to transfer the data
+ *
+ * A list of Namespace Identification Descriptor structures is returned to the
+ * host for the namespace specified in the Namespace Identifier (NSID) field if
+ * it is an active NSID.
+ *
+ * The data returned is in the form of an arrray of 'struct nvme_ns_id_desc'.
+ *
+ * See &struct nvme_ns_id_desc for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ns_descs(int fd, __u32 nsid,
+			struct nvme_ns_id_desc *descs)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_NS_DESC_LIST,
+				      nsid, descs);
+}
+
+/**
+ * nvme_identify_nvmset_list() - Retrieves NVM Set List
+ * @fd:		File descriptor of nvme device
+ * @nvmsetid:	NVM Set Identifier
+ * @nvmset:	User space destination address to transfer the data
+ *
+ * Retrieves an NVM Set List, &struct nvme_id_nvmset_list. The data structure
+ * is an ordered list by NVM Set Identifier, starting with the first NVM Set
+ * Identifier supported by the NVM subsystem that is equal to or greater than
+ * the NVM Set Identifier.
+ *
+ * See &struct nvme_id_nvmset_list for the defintion of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_nvmset_list(int fd, __u16 nvmsetid,
+			struct nvme_id_nvmset_list *nvmset)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = nvmset,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_NVMSET_LIST,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = nvmsetid,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_primary_ctrl() - Retrieve NVMe Primary Controller
+ * 				  identification
+ * @fd:		File descriptor of nvme device
+ * @cntid:	Return controllers starting at this identifier
+ * @cap:	User space destination buffer address to transfer the data
+ *
+ * See &struct nvme_primary_ctrl_cap for the defintion of the returned structure, @cap.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_primary_ctrl(int fd, __u16 cntid,
+			struct nvme_primary_ctrl_cap *cap)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = cap,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_PRIMARY_CTRL_CAP,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = cntid,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_secondary_ctrl_list() - Retrieves secondary controller list
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace identifier
+ * @cntid:	Return controllers starting at this identifier
+ * @sc_list:	User space destination address to transfer the data
+ *
+ * A Secondary Controller List is returned to the host for up to 127 secondary
+ * controllers associated with the primary controller processing this command.
+ * The list contains entries for controller identifiers greater than or equal
+ * to the value specified in the Controller Identifier (cntid).
+ *
+ * See &struct nvme_secondary_ctrls_list for a defintion of the returned
+ * structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_secondary_ctrl_list(int fd, __u32 nsid,
+			__u16 cntid, struct nvme_secondary_ctrl_list *sc_list)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = sc_list,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_SECONDARY_CTRL_LIST,
+		.csi = NVME_CSI_NVM,
+		.nsid = nsid,
+		.cntid = cntid,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_ns_granularity() - Retrieves namespace granularity
+ * 				    identification
+ * @fd:		File descriptor of nvme device
+ * @gr_list:	User space destination address to transfer the data
+ *
+ * If the controller supports reporting of Namespace Granularity, then a
+ * Namespace Granularity List is returned to the host for up to sixteen
+ * namespace granularity descriptors
+ *
+ * See &struct nvme_id_ns_granularity_list for the definition of the returned
+ * structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ns_granularity(int fd,
+			struct nvme_id_ns_granularity_list *gr_list)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_NS_GRANULARITY,
+				      NVME_NSID_NONE, gr_list);
+}
+
+/**
+ * nvme_identify_uuid() - Retrieves device's UUIDs
+ * @fd:		File descriptor of nvme device
+ * @uuid_list:	User space destination address to transfer the data
+ *
+ * Each UUID List entry is either 0h, the NVMe Invalid UUID, or a valid UUID.
+ * Valid UUIDs are those which are non-zero and are not the NVMe Invalid UUID.
+ *
+ * See &struct nvme_id_uuid_list for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_uuid(int fd, struct nvme_id_uuid_list *uuid_list)
+{
+	return nvme_identify_cns_nsid(fd, NVME_IDENTIFY_CNS_UUID_LIST,
+				      NVME_NSID_NONE, uuid_list);
+}
+
+/**
+ * nvme_identify_ns_csi() - I/O command set specific identify namespace data
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace to identify
+ * @uuidx:	UUID Index for differentiating vendor specific encoding
+ * @csi:	Command Set Identifier
+ * @data:	User space destination address to transfer the data
+ *
+ * An I/O Command Set specific Identify Namespace data structre is returned
+ * for the namespace specified in @nsid.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ns_csi(int fd, __u32 nsid, __u8 uuidx,
+			enum nvme_csi csi, void *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_NS,
+		.csi = csi,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = uuidx,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_ctrl_csi() - I/O command set specific Identify Controller data
+ * @fd:		File descriptor of nvme device
+ * @csi:	Command Set Identifier
+ * @data:	User space destination address to transfer the data
+ *
+ * An I/O Command Set specific Identify Controller data structure is returned
+ * to the host for the controller processing the command. The specific Identify
+ * Controller data structure to be returned is specified by @csi.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ctrl_csi(int fd, enum nvme_csi csi, void *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_CTRL,
+		.csi = csi,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_active_ns_list_csi() - Active namespace ID list associated with a specified I/O command set 
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return namespaces greater than this identifier
+ * @csi:	Command Set Identifier
+ * @ns_list:	User space destination address to transfer the data
+ *
+ * A list of 1024 namespace IDs is returned to the host containing active
+ * NSIDs in increasing order that are greater than the value specified in
+ * the Namespace Identifier (nsid) field of the command and matching the
+ * I/O Command Set specified in the @csi argument.
+ *
+ * See &struct nvme_ns_list for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_active_ns_list_csi(int fd, __u32 nsid,
+			enum nvme_csi csi, struct nvme_ns_list *ns_list)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = ns_list,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_NS_ACTIVE_LIST,
+		.csi = csi,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_allocated_ns_list_csi() - Allocated namespace ID list associated with a specified I/O command set
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return namespaces greater than this identifier
+ * @csi:	Command Set Identifier
+ * @ns_list:	User space destination address to transfer the data
+ *
+ * A list of 1024 namespace IDs is returned to the host containing allocated
+ * NSIDs in increasing order that are greater than the value specified in
+ * the @nsid field of the command and matching the I/O Command Set
+ * specified in the @csi argument.
+ *
+ * See &struct nvme_ns_list for the definition of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_allocated_ns_list_csi(int fd, __u32 nsid,
+			enum nvme_csi csi, struct nvme_ns_list *ns_list)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = ns_list,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_ALLOCATED_NS_LIST,
+		.csi = csi,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_independent_identify_ns() - I/O command set independent Identify namespace data
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Return namespaces greater than this identifier
+ * @ns:		I/O Command Set Independent Identify Namespace data
+ *		structure
+ *
+ * The I/O command set independent Identify namespace data structure for
+ * the namespace identified with @ns is returned to the host.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_independent_identify_ns(int fd, __u32 nsid,
+			struct nvme_id_independent_id_ns *ns)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = ns,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_INDEPENDENT_ID_NS,
+		.csi = NVME_CSI_NVM,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_ns_csi_user_data_format() -
+ * @fd:		File descriptor of nvme device
+ * @user_data_format: Return namespaces capability of identifier
+ * @uuidx:	UUID selection, if supported
+ * @csi:	Command Set Identifier
+ *
+ * Identify Namespace data structure for the specified User Data Format
+ * index containing the namespace capabilities for the NVM Command Set.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_ns_csi_user_data_format(int fd,
+			__u16 user_data_format, __u8 uuidx,
+			enum nvme_csi csi, void *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_NS_USER_DATA_FORMAT,
+		.csi = csi,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = user_data_format,
+		.uuidx = uuidx,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_iocs_ns_csi_user_data_format() -
+ * @fd:		File descriptor of nvme device
+ * @user_data_format: Return namespaces capability of identifier
+ * @uuidx:	UUID selection, if supported
+ * @csi:	Command Set Identifier
+ *
+ * I/O Command Set specific Identify Namespace data structure for
+ * the specified User Data Format index containing the namespace
+ * capabilities for the I/O Command Set specified in the CSI field.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_iocs_ns_csi_user_data_format(int fd,
+			__u16 user_data_format, __u8 uuidx,
+			enum nvme_csi csi, void *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_NS_USER_DATA_FORMAT,
+		.csi = csi,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = user_data_format,
+		.uuidx = uuidx,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_nvm_identify_ctrl() - Identify controller data
+ * @fd:	File descriptor of nvme device
+ * @id:	User space destination address to transfer the data
+ *
+ * Return an identify controller data structure to the host of
+ * processing controller.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_nvm_identify_ctrl(int fd, struct nvme_id_ctrl_nvm *id)
+{
+	return nvme_identify_ctrl_csi(fd, NVME_CSI_NVM, id);
+}
+
+/**
+ * nvme_identify_domain_list() - Domain list data
+ * @fd:		File descriptor of nvme device
+ * @domid:	Domain ID
+ * @list:	User space destiantion address to transfer data
+ *
+ * A list of 31 domain IDs is returned to the host containing domain
+ * attributes in increasing order that are greater than the value
+ * specified in the @domid field.
+ *
+ * See &struct nvme_identify_domain_attr for the definition of the
+ * returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_domain_list(int fd, __u16 domid,
+			struct nvme_id_domain_list *list)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = list,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_DOMAIN_LIST,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = domid,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_endurance_group_list() - Endurance group list data
+ * @fd:		File descriptor of nvme device
+ * @endgrp_id:	Endurance group identifier
+ * @list:	Array of endurance group identifiers
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_endurance_group_list(int fd, __u16 endgrp_id,
+			struct nvme_id_endurance_group_list *list)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = list,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_ENDURANCE_GROUP_ID,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = endgrp_id,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_identify_iocs() - I/O command set data structure
+ * @fd:		File descriptor of nvme device
+ * @cntlid:	Controller ID
+ * @iocs:	User space destination address to transfer the data
+ *
+ * Retrieves list of the controller's supported io command set vectors. See
+ * &struct nvme_id_iocs.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_identify_iocs(int fd, __u16 cntlid,
+			struct nvme_id_iocs *iocs)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = iocs,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_COMMAND_SET_STRUCTURE,
+		.csi = NVME_CSI_NVM,
+		.nsid = NVME_NSID_NONE,
+		.cntid = cntlid,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_zns_identify_ns() - ZNS identify namespace data
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace to identify
+ * @data:	User space destination address to transfer the data
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_zns_identify_ns(int fd, __u32 nsid,
+			struct nvme_zns_id_ns *data)
+{
+	struct nvme_identify_args args = {
+		.result = NULL,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.cns = NVME_IDENTIFY_CNS_CSI_NS,
+		.csi = NVME_CSI_ZNS,
+		.nsid = nsid,
+		.cntid = NVME_CNTLID_NONE,
+		.cns_specific_id = NVME_CNSSPECID_NONE,
+	};
+
+	return nvme_identify(&args);
+}
+
+/**
+ * nvme_zns_identify_ctrl() - ZNS identify controller data
+ * @fd:	File descriptor of nvme device
+ * @id:	User space destination address to transfer the data
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_zns_identify_ctrl(int fd, struct nvme_zns_id_ctrl *id)
+{
+	return nvme_identify_ctrl_csi(fd, NVME_CSI_ZNS, id);
+}
+
+/**
+ * struct nvme_get_log_args - Arguments for the NVMe Admin Get Log command
+ * @lpo:	Log page offset for partial log transfers
+ * @result:	The command completion result from CQE dword0
+ * @log:	User space destination address to transfer the data
+ * @args_size:	Length of the structure
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @lid:	Log page identifier, see &enum nvme_cmd_get_log_lid for known
+ *		values
+ * @len:	Length of provided user buffer to hold the log data in bytes
+ * @nsid:	Namespace identifier, if applicable
+ * @csi:	Command set identifier, see &enum nvme_csi for known values
+ * @lsi:	Log Specific Identifier
+ * @lsp:	Log specific field
+ * @uuidx:	UUID selection, if supported
+ * @rae:	Retain asynchronous events
+ * @ot:		Offset Type; if set @lpo specifies the index into the list
+ *		of data structures, otherwise @lpo specifies the byte offset
+ *		into the log page.
+ */
+struct nvme_get_log_args {
+	__u64 lpo;
+	__u32 *result;
+	void *log;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	enum nvme_cmd_get_log_lid lid;
+	__u32 len;
+	__u32 nsid;
+	enum nvme_csi csi;
+	__u16 lsi;
+	__u8 lsp;
+	__u8 uuidx;
+	bool rae;
+	bool ot;
+};
+
+/**
+ * nvme_get_log() - NVMe Admin Get Log command
+ * @args:	&struct nvme_get_log_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_log(struct nvme_get_log_args *args);
+
+static inline int nvme_get_nsid_log(int fd, bool rae,
+			enum nvme_cmd_get_log_lid lid,
+			__u32 nsid, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = lid,
+		.len = len,
+		.nsid = nsid,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+
+	return nvme_get_log(&args);
+}
+
+static inline int nvme_get_log_simple(int fd, enum nvme_cmd_get_log_lid lid,
+				      __u32 len, void *log)
+{
+	return nvme_get_nsid_log(fd, false, lid, NVME_NSID_ALL, len, log);
+}
+
+/**
+ * nvme_get_log_supported_log_pages() - Retrieve nmve supported log pages
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @log:	Array of LID supported and Effects data structures
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_supported_log_pages(int fd, bool rae,
+			struct nvme_supported_log_pages *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_SUPPORTED_LOG_PAGES,
+				 NVME_NSID_ALL, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_error() - Retrieve nvme error log
+ * @fd:		File descriptor of nvme device
+ * @nr_entries:	Number of error log entries allocated
+ * @rae:	Retain asynchronous events
+ * @err_log:	Array of error logs of size 'entries'
+ *
+ * This log page describes extended error information for a command that
+ * completed with error, or may report an error that is not specific to a
+ * particular command.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_error(int fd, unsigned nr_entries, bool rae,
+		       struct nvme_error_log_page *err_log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_ERROR,
+				 NVME_NSID_ALL, sizeof(*err_log) * nr_entries,
+				 err_log);
+}
+
+/**
+ * nvme_get_log_smart() - Retrieve nvme smart log
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Optional namespace identifier
+ * @rae:	Retain asynchronous events
+ * @smart_log:	User address to store the smart log
+ *
+ * This log page provides SMART and general health information. The information
+ * provided is over the life of the controller and is retained across power
+ * cycles. To request the controller log page, the namespace identifier
+ * specified is FFFFFFFFh. The controller may also support requesting the log
+ * page on a per namespace basis, as indicated by bit 0 of the LPA field in the
+ * Identify Controller data structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_smart(int fd, __u32 nsid, bool rae,
+				     struct nvme_smart_log *smart_log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_SMART,
+				 nsid, sizeof(*smart_log), smart_log);
+}
+
+/**
+ * nvme_get_log_fw_slot() - Retrieves the controller firmware log
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @fw_log:	User address to store the log page
+ *
+ * This log page describes the firmware revision stored in each firmware slot
+ * supported. The firmware revision is indicated as an ASCII string. The log
+ * page also indicates the active slot number.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_fw_slot(int fd, bool rae,
+			struct nvme_firmware_slot *fw_log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_FW_SLOT,
+				 NVME_NSID_ALL, sizeof(*fw_log), fw_log);
+}
+
+/**
+ * nvme_get_log_changed_ns_list() - Retrieve namespace changed list
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @ns_log:	User address to store the log page
+ *
+ * This log page describes namespaces attached to this controller that have
+ * changed since the last time the namespace was identified, been added, or
+ * deleted.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_changed_ns_list(int fd, bool rae,
+			struct nvme_ns_list *ns_log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_CHANGED_NS,
+				 NVME_NSID_ALL, sizeof(*ns_log), ns_log);
+}
+
+/**
+ * nvme_get_log_cmd_effects() - Retrieve nvme command effects log
+ * @fd:		File descriptor of nvme device
+ * @csi:	Command Set Identifier
+ * @effects_log:User address to store the effects log
+ *
+ * This log page describes the commands that the controller supports and the
+ * effects of those commands on the state of the NVM subsystem.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_cmd_effects(int fd, enum nvme_csi csi,
+			struct nvme_cmd_effects_log *effects_log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = effects_log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_CMD_EFFECTS,
+		.len = sizeof(*effects_log),
+		.nsid = NVME_NSID_ALL,
+		.csi = csi,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_device_self_test() - Retrieve the device self test log
+ * @fd:		File descriptor of nvme device
+ * @log:	Userspace address of the log payload
+ *
+ * The log page indicates the status of an in progress self test and the
+ * percent complete of that operation, and the results of the previous 20
+ * self-test operations.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_device_self_test(int fd,
+			struct nvme_self_test_log *log)
+{
+	return nvme_get_nsid_log(fd, false, NVME_LOG_LID_DEVICE_SELF_TEST,
+				 NVME_NSID_ALL, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_create_telemetry_host() - Create host telemetry log
+ * @fd:		File descriptor of nvme device
+ * @log:	Userspace address of the log payload
+ */
+static inline int nvme_get_log_create_telemetry_host(int fd,
+			struct nvme_telemetry_log *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_TELEMETRY_HOST,
+		.len = sizeof(*log),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_TELEM_HOST_LSP_CREATE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_telemetry_host() -
+ * @fd:		File descriptor of nvme device
+ * @offset:	Offset into the telemetry data
+ * @len:	Length of provided user buffer to hold the log data in bytes
+ * @log:	User address for log page data
+ *
+ * Retreives the Telemetry Host-Initiated log page at the requested offset
+ * using the previously existing capture.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_telemetry_host(int fd, __u64 offset,
+			__u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_TELEMETRY_HOST,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_TELEM_HOST_LSP_RETAIN,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_telemetry_ctrl() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset into the telemetry data
+ * @len:	Length of provided user buffer to hold the log data in bytes
+ * @log:	User address for log page data
+ */
+static inline int nvme_get_log_telemetry_ctrl(int fd, bool rae,
+			__u64 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_TELEMETRY_CTRL,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_endurance_group() -
+ * @fd:		File descriptor of nvme device
+ * @endgid:	Starting group identifier to return in the list
+ * @log:	User address to store the endurance log
+ *
+ * This log page indicates if an Endurance Group Event has occurred for a
+ * particular Endurance Group. If an Endurance Group Event has occurred, the
+ * details of the particular event are included in the Endurance Group
+ * Information log page for that Endurance Group. An asynchronous event is
+ * generated when an entry for an Endurance Group is newly added to this log
+ * page.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_endurance_group(int fd, __u16 endgid,
+			struct nvme_endurance_group_log *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_ENDURANCE_GROUP,
+		.len = sizeof(*log),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = endgid,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_predictable_lat_nvmset() -
+ * @fd:		File descriptor of nvme device
+ * @nvmsetid:	NVM set id
+ * @log:	User address to store the predictable latency log
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_predictable_lat_nvmset(int fd, __u16 nvmsetid,
+			struct nvme_nvmset_predictable_lat_log *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_PREDICTABLE_LAT_NVMSET,
+		.len = sizeof(*log),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = nvmsetid,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_predictable_lat_event() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset into the predictable latency event
+ * @len:	Length of provided user buffer to hold the log data in bytes
+ * @log:	User address for log page data
+ */
+static inline int nvme_get_log_predictable_lat_event(int fd, bool rae,
+			__u32 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_PREDICTABLE_LAT_AGG,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_ana() -
+ * @fd:		File descriptor of nvme device
+ * @lsp:	Log specific, see &enum nvme_get_log_ana_lsp
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset to the start of the log page
+ * @len:	The allocated length of the log page
+ * @log: 	User address to store the ana log
+ *
+ * This log consists of a header describing the log and descriptors containing
+ * the asymmetric namespace access information for ANA Groups that contain
+ * namespaces that are attached to the controller processing the command.
+ *
+ * See &struct nvme_ana_rsp_hdr for the defintion of the returned structure.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static int nvme_get_log_ana(int fd, enum nvme_log_ana_lsp lsp, bool rae,
+			__u64 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_ANA,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = lsp,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_ana_groups() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @len:	The allocated length of the log page
+ * @log: 	User address to store the ana group log
+ *
+ * See &struct nvme_ana_group_desc for the defintion of the returned structure.
+ */
+static inline int nvme_get_log_ana_groups(int fd, bool rae, __u32 len,
+			    struct nvme_ana_group_desc *log)
+{
+	return nvme_get_log_ana(fd, NVME_LOG_ANA_LSP_RGO_GROUPS_ONLY, rae, 0,
+				len, log);
+}
+
+/**
+ * nvme_get_log_lba_status() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset to the start of the log page
+ * @len:	The allocated length of the log page
+ * @log: 	User address to store the log page
+ */
+static inline int nvme_get_log_lba_status(int fd, bool rae,
+			__u64 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_LBA_STATUS,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_endurance_grp_evt() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset to the start of the log page
+ * @len:	The allocated length of the log page
+ * @log: 	User address to store the log page
+ */
+static inline int nvme_get_log_endurance_grp_evt(int fd, bool rae,
+			__u32 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_ENDURANCE_GRP_EVT,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_fid_supported_effects() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @log:	FID Supported and Effects data structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_fid_supported_effects(int fd, bool rae,
+			struct nvme_fid_supported_effects_log *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_FID_SUPPORTED_EFFECTS,
+				 NVME_NSID_NONE, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_mi_cmd_supported_effects() - displays the MI Commands Supported byt the controller
+ * @fd:     File descriptor of nvme device
+ * @rae:    Retain asynchronous events
+ * @log:    MI Command Supported and Effects data structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_mi_cmd_supported_effects(int fd, bool rae,
+			struct nvme_mi_cmd_supported_effects_log *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_MI_CMD_SUPPORTED_EFFECTS,
+				 NVME_NSID_NONE, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_boot_partition() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @lsp:	The log specified field of LID
+ * @len:	The allocated size, minimum
+ *		struct nvme_boot_partition
+ * @part: 	User address to store the log page
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_boot_partition(int fd, bool rae,
+			__u8 lsp, __u32 len, struct nvme_boot_partition *part)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = part,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_BOOT_PARTITION,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_discovery() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @offset:	Offset of this log to retrieve
+ * @len:	The allocated size for this portion of the log
+ * @log:	User address to store the discovery log
+ *
+ * Supported only by fabrics discovery controllers, returning discovery
+ * records.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_discovery(int fd, bool rae,
+			__u32 offset, __u32 len, void *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = offset,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_DISCOVER,
+		.len = len,
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_media_unit_stat() -
+ * @fd:		File descriptor of nvme device
+ * @domid:	Domain Identifier selection, if supported
+ * @mus:	User address to store the Media Unit statistics log
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_media_unit_stat(int fd, __u16 domid,
+			struct nvme_media_unit_stat_log *mus)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = mus,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_MEDIA_UNIT_STATUS,
+		.len = sizeof(*mus),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = domid,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_support_cap_config_list() -
+ * @fd:		File descriptor of nvme device
+ * @domid:	Domain Identifier selection, if supported
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise
+ */
+static inline int nvme_get_log_support_cap_config_list(int fd, __u16 domid,
+			struct nvme_supported_cap_config_list_log *cap)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = cap,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_SUPPORTED_CAP_CONFIG_LIST,
+		.len = sizeof(*cap),
+		.nsid = NVME_NSID_NONE,
+		.csi = NVME_CSI_NVM,
+		.lsi = domid,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_reservation() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @log:	User address to store the reservation log
+ */
+static inline int nvme_get_log_reservation(int fd, bool rae,
+			struct nvme_resv_notification_log *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_RESERVATION,
+				 NVME_NSID_ALL, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_sanitize() -
+ * @fd:		File descriptor of nvme device
+ * @rae:	Retain asynchronous events
+ * @log:	User address to store the sanitize log
+ *
+ * The Sanitize Status log page reports sanitize operation time estimates and
+ * information about the most recent sanitize operation.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_sanitize(int fd, bool rae,
+			struct nvme_sanitize_log_page *log)
+{
+	return nvme_get_nsid_log(fd, rae, NVME_LOG_LID_SANITIZE,
+				 NVME_NSID_ALL, sizeof(*log), log);
+}
+
+/**
+ * nvme_get_log_zns_changed_zones() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @rae:	Retain asynchronous events
+ * @log:	User address to store the changed zone log
+ *
+ * The list of zones that have changed state due to an exceptional event.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_get_log_zns_changed_zones(int fd, __u32 nsid, bool rae,
+			struct nvme_zns_changed_zone_log *log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_ZNS_CHANGED_ZONES,
+		.len = sizeof(*log),
+		.nsid = nsid,
+		.csi = NVME_CSI_ZNS,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = NVME_LOG_LSP_NONE,
+		.uuidx = NVME_UUID_NONE,
+		.rae = rae,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * nvme_get_log_persistent_event() -
+ * @fd:		File descriptor of nvme device
+ * @action:	Action the controller should take during processing this command
+ * @size:	Size of @pevent_log
+ * @pevent_log:	User address to store the persistent event log
+ */
+static inline int nvme_get_log_persistent_event(int fd,
+			enum nvme_pevent_log_action action,
+			__u32 size, void *pevent_log)
+{
+	struct nvme_get_log_args args = {
+		.lpo = 0,
+		.result = NULL,
+		.log = pevent_log,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.lid = NVME_LOG_LID_PERSISTENT_EVENT,
+		.len = size,
+		.nsid = NVME_NSID_ALL,
+		.csi = NVME_CSI_NVM,
+		.lsi = NVME_LOG_LSI_NONE,
+		.lsp = action,
+		.uuidx = NVME_UUID_NONE,
+		.rae = false,
+		.ot = false,
+	};
+	return nvme_get_log(&args);
+}
+
+/**
+ * struct nvme_set_features_args - Arguments for the NVMe Admin Set Feature command
+ * @result:	The command completion result from CQE dword0
+ * @data:	User address of feature data, if applicable
+ * @args_size:	Size of &struct nvme_set_features_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID, if applicable
+ * @cdw11:	Value to set the feature to
+ * @cdw12:	Feature specific command dword12 field
+ * @cdw15:	Feature specific command dword15 field
+ * @data_len:	Length of feature data, if applicable, in bytes
+ * @save:	Save value across power states
+ * @uuidx:	UUID Index for differentiating vendor specific encoding
+ * @fid:	Feature identifier
+ */
+struct nvme_set_features_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 cdw11;
+	__u32 cdw12;
+	__u32 cdw13;
+	__u32 cdw15;
+	__u32 data_len;
+	bool save;
+	__u8 uuidx;
+	__u8 fid;
+};
+
+/**
+ * nvme_set_features() - Set a feature attribute
+ * @args:	&struct nvme_set_features_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features(struct nvme_set_features_args *args);
+
+/**
+ * nvme_set_features_data() - Helper function for @nvme_set_features()
+ * @fd:		File descriptor of nvme device
+ * @fid:	Feature identifier
+ * @nsid:	Namespace ID, if applicable
+ * @cdw11:	Value to set the feature to
+ * @save:	Save value across power states
+ * @data_len:	Length of feature data, if applicable, in bytes
+ * @data:	User address of feature data, if applicable
+ * @result:	The command completion result from CQE dword0
+ */
+static inline int nvme_set_features_data(int fd, __u8 fid, __u32 nsid,
+			__u32 cdw11, bool save, __u32 data_len, void *data,
+			__u32 *result)
+{
+	struct nvme_set_features_args args = {
+		.result = result,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.cdw11 = cdw11,
+		.cdw12 = 0,
+		.cdw13 = 0,
+		.cdw15 = 0,
+		.data_len = data_len,
+		.save = save,
+		.uuidx = 0,
+		.fid = fid,
+	};
+	return nvme_set_features(&args);
+}
+
+/**
+ * nvme_set_features_simple() - Helper functionn for @nvme_set_features()
+ * @fd:		File descriptor of nvme device
+ * @fid:	Feature identifier
+ * @nsid:	Namespace ID, if applicable
+ * @cdw11:	Value to set the feature to
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ */
+static inline int nvme_set_features_simple(int fd, __u8 fid, __u32 nsid,
+			__u32 cdw11, bool save, __u32 *result)
+{
+	return nvme_set_features_data(fd, fid, nsid, cdw11, save, 0, NULL,
+				 result);
+}
+
+/**
+ * nvme_set_features_arbitration() -
+ * @fd:		File descriptor of nvme device
+ * @ab:		Arbitration Burst
+ * @lpw:	Low Priority Weight
+ * @mpw:	Medium Priority Weight
+ * @hpw:	High Priority Weight
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_arbitration(int fd, __u8 ab, __u8 lpw, __u8 mpw,
+				  __u8 hpw, bool  save, __u32 *result);
+
+/**
+ * nvme_set_features_power_mgmt() -
+ * @fd:		File descriptor of nvme device
+ * @ps:		Power State
+ * @wh:		Workload Hint
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_power_mgmt(int fd, __u8 ps, __u8 wh, bool save,
+				 __u32 *result);
+
+/**
+ * nvme_set_features_lba_range() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @nr_ranges:	Number of ranges in @data
+ * @save:	Save value across power states
+ * @data:	User address of feature data
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_lba_range(int fd, __u32 nsid, __u32 nr_ranges, bool save,
+				struct nvme_lba_range_type *data, __u32 *result);
+
+/**
+ * nvme_set_features_temp_thresh() -
+ * @fd:		File descriptor of nvme device
+ * @tmpth:	Temperature Threshold
+ * @tmpsel:	Threshold Temperature Select
+ * @thsel:	Threshold Type Select
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_temp_thresh(int fd, __u16 tmpth, __u8 tmpsel,
+				  enum nvme_feat_tmpthresh_thsel thsel,
+				  bool save, __u32 *result);
+
+/**
+ * nvme_set_features_err_recovery() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @tler:	Time-limited error recovery value
+ * @dulbe:	Deallocated or Unwritten Logical Block Error Enable
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_err_recovery(int fd, __u32 nsid, __u16 tler,
+				   bool dulbe, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_volatile_wc() -
+ * @fd:		File descriptor of nvme device
+ * @wce:	Write cache enable
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_volatile_wc(int fd, bool wce, bool save,
+				  __u32 *result);
+
+/**
+ * nvme_set_features_irq_coalesce() -
+ * @fd:		File descriptor of nvme device
+ * @thr:	Aggregation Threshold
+ * @time:	Aggregation Time
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_irq_coalesce(int fd, __u8 thr, __u8 time,
+				   bool save, __u32 *result);
+
+/**
+ * nvme_set_features_irq_config() -
+ * @fd:		File descriptor of nvme device
+ * @iv:		Interrupt Vector
+ * @cd:		Coalescing Disable
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_irq_config(int fd, __u16 iv, bool cd, bool save,
+				 __u32 *result);
+
+/**
+ * nvme_set_features_write_atomic() -
+ * @fd:		File descriptor of nvme device
+ * @dn:		Disable Normal
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_write_atomic(int fd, bool dn, bool save,
+				   __u32 *result);
+
+/**
+ * nvme_set_features_async_event() -
+ * @fd:		File descriptor of nvme device
+ * @events:	Events to enable
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_async_event(int fd, __u32 events, bool save,
+				  __u32 *result);
+
+/**
+ * nvme_set_features_auto_pst() -
+ * @fd:		File descriptor of nvme device
+ * @apste:	Autonomous Power State Transition Enable
+ * @apst:	Autonomous Power State Transition
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_auto_pst(int fd, bool apste, bool save,
+			       struct nvme_feat_auto_pst *apst,
+			       __u32 *result);
+
+/**
+ * nvme_set_features_timestamp() -
+ * @fd:		File descriptor of nvme device
+ * @save:	Save value across power states
+ * @timestamp:	The current timestamp value to assign to this this feature
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_timestamp(int fd, bool save, __u64 timestamp);
+
+/**
+ * nvme_set_features_hctm() -
+ * @fd:		File descriptor of nvme device
+ * @tmt2:	Thermal Management Temperature 2
+ * @tmt1:	Thermal Management Temperature 1
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_hctm(int fd, __u16 tmt2, __u16 tmt1, bool save,
+			   __u32 *result);
+
+/**
+ * nvme_set_features_nopsc() -
+ * @fd:		File descriptor of nvme device
+ * @noppme:	Non-Operational Power State Permissive Mode Enable
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_nopsc(int fd, bool noppme, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_rrl() -
+ * @fd:		File descriptor of nvme device
+ * @rrl:	Read recovery level setting
+ * @nvmsetid:	NVM set id
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_rrl(int fd, __u8 rrl, __u16 nvmsetid, bool save,
+			  __u32 *result);
+
+/**
+ * nvme_set_features_plm_config() -
+ * @fd:		File descriptor of nvme device
+ * @enable:	Predictable Latency Enable
+ * @nvmsetid:	NVM Set Identifier
+ * @save:	Save value across power states
+ * @data:	Pointer to structure nvme_plm_config
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_plm_config(int fd, bool enable, __u16 nvmsetid,
+				 bool save, struct nvme_plm_config *data,
+				 __u32*result);
+
+/**
+ * nvme_set_features_plm_window() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Window Select
+ * @nvmsetid:	NVM Set Identifier
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_plm_window(int fd, enum nvme_feat_plm_window_select sel,
+				 __u16 nvmsetid, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_lba_sts_interval() -
+ * @fd:		File descriptor of nvme device
+ * @save:	Save value across power states
+ * @lsiri:	LBA Status Information Report Interval
+ * @lsipi:	LBA Status Information Poll Interval
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_lba_sts_interval(int fd, __u16 lsiri, __u16 lsipi,
+				       bool save, __u32 *result);
+
+/**
+ * nvme_set_features_host_behavior() -
+ * @fd:		File descriptor of nvme device
+ * @save:	Save value across power states
+ * @data:	Pointer to structure nvme_feat_host_behavior
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_host_behavior(int fd, bool save,
+				    struct nvme_feat_host_behavior *data);
+
+/**
+ * nvme_set_features_sanitize() -
+ * @fd:		File descriptor of nvme device
+ * @nodrm:	No-Deallocate Response Mode
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_sanitize(int fd, bool nodrm, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_endurance_evt_cfg() -
+ * @fd:		File descriptor of nvme device
+ * @endgid:	Endurance Group Identifier
+ * @egwarn:	Flags to enable warning, see &enum nvme_eg_critical_warning_flags
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_endurance_evt_cfg(int fd, __u16 endgid, __u8 egwarn,
+					bool save, __u32 *result);
+
+/**
+ * nvme_set_features_sw_progress() -
+ * @fd:		File descriptor of nvme device
+ * @pbslc:	Pre-boot Software Load Count
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_sw_progress(int fd, __u8 pbslc, bool save,
+				  __u32 *result);
+
+/**
+ * nvme_set_features_host_id() -
+ * @fd:		File descriptor of nvme device
+ * @exhid:	Enable Extended Host Identifier
+ * @save:	Save value across power states
+ * @hostid:	Host ID to set
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_host_id(int fd, bool exhid, bool save, __u8 *hostid);
+
+/**
+ * nvme_set_features_resv_mask() -
+ * @fd:		File descriptor of nvme device
+ * @mask:	Reservation Notification Mask Field
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_resv_mask(int fd, __u32 mask, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_resv_persist() -
+ * @fd:		File descriptor of nvme device
+ * @ptpl:	Persist Through Power Loss
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_resv_persist(int fd, bool ptpl, bool save, __u32 *result);
+
+/**
+ * nvme_set_features_write_protect() -
+ * @fd:		File descriptor of nvme device
+ * @state:	Write Protection State
+ * @save:	Save value across power states
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_features_write_protect(int fd, enum nvme_feat_nswpcfg_state state,
+				    bool save, __u32 *result);
+/**
+ * struct nvme_get_features_args - Arguments for the NVMe Admin Get Feature command
+ * @args_size:	Size of &struct nvme_get_features_args
+ * @fd:		File descriptor of nvme device
+ * @result:	The command completion result from CQE dword0
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID, if applicable
+ * @sel:	Select which type of attribute to return,
+ * 		see &enum nvme_get_features_sel
+ * @cdw11:	Feature specific command dword11 field
+ * @data_len:	Length of feature data, if applicable, in bytes
+ * @data:	User address of feature data, if applicable
+ * @fid:	Feature identifier, see &enum nvme_features_id
+ * @uuidx:	UUID Index for differentiating vendor specific encoding
+ */
+struct nvme_get_features_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_get_features_sel sel;
+	__u32 cdw11;
+	__u32 data_len;
+	__u8 fid;
+	__u8 uuidx;
+};
+
+/**
+ * nvme_get_features() - Retrieve a feature attribute
+ * @args:	&struct nvme_get_features_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features(struct nvme_get_features_args *args);
+
+/**
+ * nvme_get_features_data() - Helper function for @nvme_get_features()
+ * @fd:		File descriptor of nvme device
+ * @fid:	Feature identifier
+ * @nsid:	Namespace ID, if applicable
+ * @data_len:	Length of feature data, if applicable, in bytes
+ * @data:	User address of feature data, if applicable
+ * @result:	The command completion result from CQE dword0
+ */
+static inline int nvme_get_features_data(int fd, enum nvme_features_id fid,
+			__u32 nsid, __u32 data_len, void *data, __u32 *result)
+{
+	struct nvme_get_features_args args = {
+		.result = result,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.sel = NVME_GET_FEATURES_SEL_CURRENT,
+		.cdw11 = 0,
+		.data_len = data_len,
+		.fid = fid,
+		.uuidx = NVME_UUID_NONE,
+	};
+
+	return nvme_get_features(&args);
+}
+
+/**
+ * nvme_get_features_simple() - Helper function for @nvme_get_features()
+ * @fd:		File descriptor of nvme device
+ * @fid:	Feature identifier
+ * @nsid:	Namespace ID, if applicable
+ * @result:	The command completion result from CQE dword0
+ */
+static inline int nvme_get_features_simple(int fd, enum nvme_features_id fid,
+			__u32 nsid, __u32 *result)
+{
+	return nvme_get_features_data(fd, fid, nsid, 0, NULL, result);
+}
+
+/**
+ * nvme_get_features_arbitration() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_arbitration(int fd, enum nvme_get_features_sel sel,
+				  __u32 *result);
+
+/**
+ * nvme_get_features_power_mgmt() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_power_mgmt(int fd, enum nvme_get_features_sel sel,
+				 __u32 *result);
+
+/**
+ * nvme_get_features_lba_range() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @data:	User address of feature data, if applicable
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_lba_range(int fd, enum nvme_get_features_sel sel,
+				struct nvme_lba_range_type *data,
+				__u32 *result);
+
+/**
+ * nvme_get_features_temp_thresh() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_temp_thresh(int fd, enum nvme_get_features_sel sel,
+				  __u32 *result);
+
+/**
+ * nvme_get_features_err_recovery() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_err_recovery(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * nvme_get_features_volatile_wc() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_volatile_wc(int fd, enum nvme_get_features_sel sel,
+				  __u32 *result);
+
+/**
+ * nvme_get_features_num_queues() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_num_queues(int fd, enum nvme_get_features_sel sel,
+				 __u32 *result);
+
+/**
+ * nvme_get_features_irq_coalesce() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_irq_coalesce(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * nvme_get_features_irq_config() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @iv:
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_irq_config(int fd, enum nvme_get_features_sel sel,
+				 __u16 iv, __u32 *result);
+
+/**
+ * nvme_get_features_write_atomic() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_write_atomic(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * nvme_get_features_async_event() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_async_event(int fd, enum nvme_get_features_sel sel,
+				  __u32 *result);
+
+/**
+ * nvme_get_features_auto_pst() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @apst:
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_auto_pst(int fd, enum nvme_get_features_sel sel,
+			       struct nvme_feat_auto_pst *apst, __u32 *result);
+
+/**
+ * nvme_get_features_host_mem_buf() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_host_mem_buf(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * nvme_get_features_timestamp() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @ts:		Current timestamp
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_timestamp(int fd, enum nvme_get_features_sel sel,
+				struct nvme_timestamp *ts);
+
+/**
+ * nvme_get_features_kato() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_kato(int fd, enum nvme_get_features_sel sel, __u32 *result);
+
+/**
+ * nvme_get_features_hctm() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_hctm(int fd, enum nvme_get_features_sel sel, __u32 *result);
+
+/**
+ * nvme_get_features_nopsc() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_nopsc(int fd, enum nvme_get_features_sel sel, __u32 *result);
+
+/**
+ * nvme_get_features_rrl() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_rrl(int fd, enum nvme_get_features_sel sel, __u32 *result);
+
+/**
+ * nvme_get_features_plm_config() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @nvmsetid:	NVM set id
+ * @data:
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_plm_config(int fd, enum nvme_get_features_sel sel,
+				 __u16 nvmsetid, struct nvme_plm_config *data,
+				 __u32 *result);
+
+/**
+ * nvme_get_features_plm_window() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @nvmsetid:	NVM set id
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_plm_window(int fd, enum nvme_get_features_sel sel,
+	__u16 nvmsetid, __u32 *result);
+
+/**
+ * nvme_get_features_lba_sts_interval() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_lba_sts_interval(int fd, enum nvme_get_features_sel sel,
+				       __u32 *result);
+
+/**
+ * nvme_get_features_host_behavior() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @data:	Poniter to structure nvme_feat_host_behavior
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_host_behavior(int fd, enum nvme_get_features_sel sel,
+				    struct nvme_feat_host_behavior *data,
+				    __u32 *result);
+
+/**
+ * nvme_get_features_sanitize() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_sanitize(int fd, enum nvme_get_features_sel sel,
+				__u32 *result);
+
+/**
+ * nvme_get_features_endurance_event_cfg() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @endgid:	Endurance Group Identifier
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_endurance_event_cfg(int fd, enum nvme_get_features_sel sel,
+					  __u16 endgid, __u32 *result);
+
+/**
+ * nvme_get_features_sw_progress() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_sw_progress(int fd, enum nvme_get_features_sel sel,
+				  __u32 *result);
+
+/**
+ * nvme_get_features_host_id() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @exhid:	Enable Extended Host Identifier
+ * @len:	Length of @hostid
+ * @hostid:	Buffer for returned host ID
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_host_id(int fd, enum nvme_get_features_sel sel,
+			      bool exhid, __u32 len, __u8 *hostid);
+
+/**
+ * nvme_get_features_resv_mask() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_resv_mask(int fd, enum nvme_get_features_sel sel,
+				__u32 *result);
+
+/**
+ * nvme_get_features_resv_persist() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_resv_persist(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * nvme_get_features_write_protect() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_write_protect(int fd, __u32 nsid,
+				    enum nvme_get_features_sel sel,
+				    __u32 *result);
+
+/**
+ * nvme_get_features_iocs_profile() -
+ * @fd:		File descriptor of nvme device
+ * @sel:	Select which type of attribute to return, see &enum nvme_get_features_sel
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_features_iocs_profile(int fd, enum nvme_get_features_sel sel,
+				   __u32 *result);
+
+/**
+ * struct nvme_format_nvm_args - Arguments for the Format Nvme Namespace command
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_format_nvm_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Set to override default timeout to this value in milliseconds;
+ *		useful for long running formats. 0 will use system default.
+ * @nsid:	Namespace ID to format
+ * @mset:	Metadata settings (extended or separated), true if extended
+ * @pi:		Protection information type
+ * @pil:	Protection information location (beginning or end), true if end
+ * @ses:	Secure erase settings
+ * @lbaf:	Logical block address format
+ */
+struct nvme_format_nvm_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_cmd_format_mset mset;
+	enum nvme_cmd_format_pi pi;
+	enum nvme_cmd_format_pil pil;
+	enum nvme_cmd_format_ses ses;
+	__u8 lbaf;
+};
+
+/**
+ * nvme_format_nvm() - Format nvme namespace(s)
+ * @args:	&struct nvme_format_nvme_args argument structure
+ *
+ * The Format NVM command low level formats the NVM media. This command is used
+ * by the host to change the LBA data size and/or metadata size. A low level
+ * format may destroy all data and metadata associated with all namespaces or
+ * only the specific namespace associated with the command
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_format_nvm(struct nvme_format_nvm_args *args);
+
+/**
+ * struct nvme_ns_mgmt_args - Arguments for NVMe Namespace Management command
+ * @result:	NVMe command result
+ * @ns:		Namespace identication descriptors
+ * @args_size:	Size of &struct nvme_ns_mgmt_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @sel:	Type of management operation to perform
+ * @csi:	Command Set Identifier
+ */
+struct nvme_ns_mgmt_args {
+	__u32 *result;
+	struct nvme_id_ns *ns;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_ns_mgmt_sel sel;
+	__u8 csi;
+};
+
+/**
+ * nvme_ns_mgmt() - Issue a Namespace management command
+ * @args:	&struct nvme_ns_mgmt_args Argument structure
+ */
+int nvme_ns_mgmt(struct nvme_ns_mgmt_args *args);
+
+/**
+ * nvme_ns_mgmt_create() -
+ * @fd:		File descriptor of nvme device
+ * @ns:		Namespace identification that defines ns creation parameters
+ * @nsid:		On success, set to the namespace id that was created
+ * @timeout:		Overide the default timeout to this value in milliseconds;
+ * 			set to 0 to use the system default.
+ * @csi:		Command Set Identifier
+ *
+ * On successful creation, the namespace exists in the subsystem, but is not
+ * attached to any controller. Use the nvme_ns_attach_ctrls() to assign the
+ * namespace to one or more controllers.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_ns_mgmt_create(int fd, struct nvme_id_ns *ns,
+			__u32 *nsid, __u32 timeout, __u8 csi)
+{
+	struct nvme_ns_mgmt_args args = {
+		.result = nsid,
+		.ns = ns,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = timeout,
+		.nsid = NVME_NSID_NONE,
+		.sel = NVME_NS_MGMT_SEL_CREATE,
+		.csi = csi,
+	};
+
+	return nvme_ns_mgmt(&args);
+}
+
+/**
+ * nvme_ns_mgmt_delete() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace identifier to delete
+ *
+ * It is recommended that a namespace being deleted is not attached to any
+ * controller. Use the nvme_ns_detach_ctrls() first if the namespace is still
+ * attached.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_ns_mgmt_delete(int fd, __u32 nsid)
+{
+	struct nvme_ns_mgmt_args args = {
+		.result = NULL,
+		.ns = NULL,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = 0,
+		.nsid = nsid,
+		.sel = NVME_NS_MGMT_SEL_DELETE,
+		.csi = 0,
+	};
+
+	return nvme_ns_mgmt(&args);
+}
+
+/**
+ * struct nvme_ns_attach_args - Arguments for Nvme Namespace Management command
+ * @result:	NVMe command result
+ * @ctrlist:	Controller list to modify attachment state of nsid
+ * @args_size:	Size of &struct nvme_ns_attach_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID to execute attach selection
+ * @sel:	Attachment selection, see &enum nvme_ns_attach_sel
+ */
+struct nvme_ns_attach_args {
+	__u32 *result;
+	struct nvme_ctrl_list *ctrlist;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_ns_attach_sel sel;
+};
+
+/**
+ * nvme_ns_attach() - Attach or detach namespace to controller(s)
+ * @args:	&struct nvme_ns_attach_args Argument structure
+ */
+int nvme_ns_attach(struct nvme_ns_attach_args *args);
+
+/**
+ * nvme_ns_attach_ctrls() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID to attach
+ * @ctrlist:	Controller list to modify attachment state of nsid
+ */
+static inline int nvme_ns_attach_ctrls(int fd, __u32 nsid,
+			struct nvme_ctrl_list *ctrlist)
+{
+	struct nvme_ns_attach_args args = {
+		.result = NULL,
+		.ctrlist = ctrlist,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.sel = NVME_NS_ATTACH_SEL_CTRL_ATTACH,
+	};
+
+	return nvme_ns_attach(&args);
+}
+
+/**
+ * nvme_ns_detach_ctrls() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID to detach
+ * @ctrlist:	Controller list to modify attachment state of nsid
+ */
+static inline int nvme_ns_detach_ctrls(int fd, __u32 nsid,
+			struct nvme_ctrl_list *ctrlist)
+{
+	struct nvme_ns_attach_args args = {
+		.result = NULL,
+		.ctrlist = ctrlist,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.sel = NVME_NS_ATTACH_SEL_CTRL_DEATTACH,
+	};
+
+	return nvme_ns_attach(&args);
+}
+
+/**
+ * struct nvme_fw_download_args - Arguments for the NVMe Firmware Download command
+ * @args_size:	Size of &struct nvme_fw_download_args
+ * @fd:		File descriptor of nvme device
+ * @result:	The command completion result from CQE dword0
+ * @timeout:	Timeout in ms
+ * @offset:	Offset in the firmware data
+ * @data:	Userspace address of the firmware data
+ * @data_len:	Length of data in this command in bytes
+ */
+struct nvme_fw_download_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 offset;
+	__u32 data_len;
+};
+
+/**
+ * nvme_fw_download() - Download part or all of a firmware image to the
+ * 			controller
+ * @args:	&struct nvme_fw_download_args argument structure
+ *
+ * The Firmware Image Download command downloads all or a portion of an image
+ * for a future update to the controller. The Firmware Image Download command
+ * downloads a new image (in whole or in part) to the controller.
+ *
+ * The image may be constructed of multiple pieces that are individually
+ * downloaded with separate Firmware Image Download commands. Each Firmware
+ * Image Download command includes a Dword Offset and Number of Dwords that
+ * specify a dword range.
+ *
+ * The new firmware image is not activated as part of the Firmware Image
+ * Download command. Use the nvme_fw_commit() to activate a newly downloaded
+ * image.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_fw_download(struct nvme_fw_download_args *args);
+
+/**
+ * struct nvme_fw_commit_args - Arguments for the NVMe Firmware Commit command
+ * @args_size:	Size of &struct nvme_fw_commit_args
+ * @fd:		File descriptor of nvme device
+ * @action:	Action to use for the firmware image, see &enum nvme_fw_commit_ca
+ * @timeout:	Timeout in ms
+ * @result:	The command completion result from CQE dword0
+ * @slot:	Firmware slot to commit the downloaded image
+ * @bpid:	Set to true to select the boot partition id
+ */
+struct nvme_fw_commit_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	enum nvme_fw_commit_ca action;
+	__u8 slot;
+	bool bpid;
+};
+
+/**
+ * nvme_fw_commit() - Commit firmware using the specified action
+ * @args:	&struct nvme_fw_commit_args argument structure
+ *
+ * The Firmware Commit command modifies the firmware image or Boot Partitions.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise. The command
+ * status response may specify additional reset actions required to complete
+ * the commit process.
+ */
+int nvme_fw_commit(struct nvme_fw_commit_args *args);
+
+/**
+ * struct nvme_security_send_args - Arguments for the NVMe Security Send command
+ * @result:	The command completion result from CQE dword0
+ * @data:	Security data payload to send
+ * @args_size:	Size of &struct nvme_security_send_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID to issue security command on
+ * @tl:		Protocol specific transfer length
+ * @data_len:	Data length of the payload in bytes
+ * @nssf:	NVMe Security Specific field
+ * @spsp0:	Security Protocol Specific field
+ * @spsp1:	Security Protocol Specific field
+ * @secp:	Security Protocol
+ */
+struct nvme_security_send_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 tl;
+	__u32 data_len;
+	__u8 nssf;
+	__u8 spsp0;
+	__u8 spsp1;
+	__u8 secp;
+};
+
+/**
+ * nvme_security_send() -
+ * @args:	&struct nvme_security_send argument structure
+ *
+ * The Security Send command transfers security protocol data to the
+ * controller. The data structure transferred to the controller as part of this
+ * command contains security protocol specific commands to be performed by the
+ * controller. The data structure transferred may also contain data or
+ * parameters associated with the security protocol commands.
+ *
+ * The security data is protocol specific and is not defined by the NVMe
+ * specification.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_security_send(struct nvme_security_send_args *args);
+
+/**
+ * struct nvme_security_receive_args - Arguments for the NVMe Security Receive command
+ * @result:	The command completion result from CQE dword0
+ * @data:	Security data payload to send
+ * @args_size:	Size of &struct nvme_security_receive_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID to issue security command on
+ * @al:		Protocol specific allocation length
+ * @data_len:	Data length of the payload in bytes
+ * @nssf:	NVMe Security Specific field
+ * @spsp0:	Security Protocol Specific field
+ * @spsp1:	Security Protocol Specific field
+ * @secp:	Security Protocol
+ */
+struct nvme_security_receive_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 al;
+	__u32 data_len;
+	__u8 nssf;
+	__u8 spsp0;
+	__u8 spsp1;
+	__u8 secp;
+};
+
+/**
+ * nvme_security_receive() -
+ * @args:	&struct nvme_security_recevice argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_security_receive(struct nvme_security_receive_args *args);
+
+/**
+ * struct nvme_get_lba_status_args - Arguments for the NVMe Get LBA Status command
+ * @lbas:	Data payload to return status descriptors
+ * @result:	The command completion result from CQE dword0
+ * @slba:	Starting logical block address to check statuses
+ * @args_size:	Size of &struct nvme_get_lba_status_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID to retrieve LBA status
+ * @mndw:	Maximum number of dwords to return
+ * @atype:	Action type mechanism to determine LBA status desctriptors to
+ *		return, see &enum nvme_lba_status_atype
+ * @rl:		Range length from slba to perform the action
+ */
+struct nvme_get_lba_status_args {
+	__u64 slba;
+	__u32 *result;
+	struct nvme_lba_status *lbas;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 mndw;
+	enum nvme_lba_status_atype atype;
+	__u16 rl;
+};
+
+/**
+ * nvme_get_lba_status() - Retrieve information on possibly unrecoverable LBAs
+ * @args:	&struct nvme_get_lba_status_args argument structure
+ *
+ * The Get LBA Status command requests information about Potentially
+ * Unrecoverable LBAs. Refer to the specification for action type descriptions.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_lba_status(struct nvme_get_lba_status_args *args);
+
+/**
+ * struct nvme_directive_send_args - Arguments for the NVMe Directive Send command
+ * @result:	If successful, the CQE dword0 value
+ * @data:	Data payload to to be send
+ * @args_size:	Size of &struct nvme_directive_send_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID, if applicable
+ * @doper:	Directive send operation, see &enum nvme_directive_send_doper
+ * @dtype:	Directive type, see &enum nvme_directive_dtype
+ * @cdw12:	Directive specific command dword12
+ * @data_len:	Length of data payload in bytes
+ * @dspec:	Directive specific field
+ */
+struct nvme_directive_send_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_directive_send_doper doper;
+	enum nvme_directive_dtype dtype;
+	__u32 cdw12;
+	__u32 data_len;
+	__u16 dspec;
+};
+
+/**
+ * nvme_directive_send() - Send directive command
+ * @args:	&struct nvme_directive_send_args argument structure
+ *
+ * Directives is a mechanism to enable host and NVM subsystem or controller
+ * information exchange. The Directive Send command transfers data related to a
+ * specific Directive Type from the host to the controller.
+ *
+ * See the NVMe specification for more information.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_directive_send(struct nvme_directive_send_args *args);
+
+/**
+ * nvme_directive_send_id_endir() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace Identifier
+ * @endir:	Enable Directive
+ * @dtype:	Directive Type
+ * @id:		Pointer to structure nvme_id_directives
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_directive_send_id_endir(int fd, __u32 nsid, bool endir,
+				 enum nvme_directive_dtype dtype,
+				 struct nvme_id_directives *id);
+
+/**
+ * nvme_directive_send_stream_release_identifier() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @stream_id:	Stream identifier
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_send_stream_release_identifier(int fd,
+			__u32 nsid, __u16 stream_id)
+{
+	struct nvme_directive_send_args args = {
+		.result = NULL,
+		.data = NULL,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_SEND_STREAMS_DOPER_RELEASE_IDENTIFIER,
+		.dtype = NVME_DIRECTIVE_DTYPE_STREAMS,
+		.cdw12 = 0,
+		.data_len = 0,
+		.dspec = stream_id,
+	};
+
+	return nvme_directive_send(&args);
+}
+
+/**
+ * nvme_directive_send_stream_release_resource() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_send_stream_release_resource(int fd, __u32 nsid)
+{
+	struct nvme_directive_send_args args = {
+		.result = NULL,
+		.data = NULL,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_SEND_STREAMS_DOPER_RELEASE_RESOURCE,
+		.dtype = NVME_DIRECTIVE_DTYPE_STREAMS,
+		.cdw12 = 0,
+		.data_len = 0,
+		.dspec = 0,
+	};
+
+	return nvme_directive_send(&args);
+}
+
+/**
+ * struct nvme_directive_recv_args - Arguments for the NVMe Directive Receive command
+ * @result:	If successful, the CQE dword0 value
+ * @data:	Usespace address of data payload
+ * @args_size:	Size of &struct nvme_directive_recv_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID, if applicable
+ * @doper:	Directive send operation, see &enum nvme_directive_send_doper
+ * @dtype:	Directive type, see &enum nvme_directive_dtype
+ * @cdw12:	Directive specific command dword12
+ * @data_len:	Length of data payload in bytes
+ * @dspec:	Directive specific field
+ */
+struct nvme_directive_recv_args {
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_directive_receive_doper doper;
+	enum nvme_directive_dtype dtype;
+	__u32 cdw12;
+	__u32 data_len;
+	__u16 dspec;
+};
+
+/**
+ * nvme_directive_recv() - Receive directive specific data
+ * @args:	&struct nvme_directive_recv_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_directive_recv(struct nvme_directive_recv_args *args);
+
+/**
+ * nvme_directive_recv_identify_parameters() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @id:		Identify parameters buffer
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_recv_identify_parameters(int fd, __u32 nsid,
+			struct nvme_id_directives *id)
+{
+	struct nvme_directive_recv_args args = {
+		.result = NULL,
+		.data = id,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_RECEIVE_IDENTIFY_DOPER_PARAM,
+		.dtype = NVME_DIRECTIVE_DTYPE_IDENTIFY,
+		.cdw12 = 0,
+		.data_len = sizeof(*id),
+		.dspec = 0,
+	};
+
+	return nvme_directive_recv(&args);
+}
+
+/**
+ * nvme_directive_recv_stream_parameters() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @parms:	Streams directive parameters buffer
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_recv_stream_parameters(int fd, __u32 nsid,
+			struct nvme_streams_directive_params *parms)
+{
+	struct nvme_directive_recv_args args = {
+		.result = NULL,
+		.data = parms,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_PARAM,
+		.dtype = NVME_DIRECTIVE_DTYPE_STREAMS,
+		.cdw12 = 0,
+		.data_len = sizeof(*parms),
+		.dspec = 0,
+	};
+
+	return nvme_directive_recv(&args);
+}
+
+/**
+ * nvme_directive_recv_stream_status() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @nr_entries: Number of streams to receive
+ * @id:		Stream status buffer
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_recv_stream_status(int fd, __u32 nsid,
+			unsigned nr_entries,
+			struct nvme_streams_directive_status *id)
+{
+	struct nvme_directive_recv_args args = {
+		.result = NULL,
+		.data = id,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_STATUS,
+		.dtype = NVME_DIRECTIVE_DTYPE_STREAMS,
+		.cdw12 = 0,
+		.data_len = sizeof(*id),
+		.dspec = 0,
+	};
+
+	return nvme_directive_recv(&args);
+}
+
+/**
+ * nvme_directive_recv_stream_allocate() -
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @nsr:	Namespace Streams Requested
+ * @result:	If successful, the CQE dword0 value
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_directive_recv_stream_allocate(int fd, __u32 nsid,
+			__u16 nsr, __u32 *result)
+{
+	struct nvme_directive_recv_args args = {
+		.result = result,
+		.data = NULL,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = NVME_DEFAULT_IOCTL_TIMEOUT,
+		.nsid = nsid,
+		.doper = NVME_DIRECTIVE_RECEIVE_STREAMS_DOPER_RESOURCE,
+		.dtype = NVME_DIRECTIVE_DTYPE_STREAMS,
+		.cdw12 = nsr,
+		.data_len = 0,
+		.dspec = 0,
+	};
+
+	return nvme_directive_recv(&args);
+}
+
+/**
+ * struct nvme_capacity_mgmt_args - Arguments for the NVMe Capacity Management command
+ * @result:	If successful, the CQE dword0 value
+ * @args_size:	Size of &struct nvme_capacity_mgmt_args
+ * @fd:		File descriptor of nvme device
+ * @cdw11:	Least significant 32 bits of the capacity in bytes of the
+ *		Endurance Group or NVM Set to be created
+ * @cdw12:	Most significant 32 bits of the capacity in bytes of the
+ *		Endurance Group or NVM Set to be created
+ * @timeout:	Timeout in ms
+ * @element_id:	Value specific to the value of the Operation field
+ * @op:		Operation to be performed by the controller
+ */
+struct nvme_capacity_mgmt_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 cdw11;
+	__u32 cdw12;
+	__u16 element_id;
+	__u8 op;
+};
+
+/**
+ * nvme_capacity_mgmt() -
+ * @args:	&struct nvme_capacity_mgmt_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_capacity_mgmt(struct nvme_capacity_mgmt_args *args);
+
+/**
+ * struct nvme_lockdown_args - Arguments for the NVME Lockdown command
+ * @args_size:	Size of &struct nvme_lockdown_args
+ * @fd:		File descriptor of nvme device
+ * @result:	The command completion result from CQE dword0
+ * @timeout:	Timeout in ms (0 for default timeout)
+ * @scp:	Scope of the command
+ * @prhbt:	Prohibit or allow the command opcode or Set Features command
+ * @ifc:	Affected interface
+ * @ofi:	Opcode or Feature Identifier
+ * @uuidx:	UUID Index if controller supports this id selection method
+ */
+struct nvme_lockdown_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u8 scp;
+	__u8 prhbt;
+	__u8 ifc;
+	__u8 ofi;
+	__u8 uuidx;
+};
+
+/**
+ * nvme_lockdown() - Issue lockdown command
+ * @args:	&struct nvme_lockdown_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_lockdown(struct nvme_lockdown_args *args);
+
+/**
+ * struct nvme_set_property_args - Arguments for NVMe Set Property command
+ * @args_size:	Size of &struct nvme_set_property_args
+ * @fd:		File descriptor of nvme device
+ * @result:	The command completion result from CQE dword0
+ * @timeout:	Timeout in ms
+ * @offset:	Property offset from the base to set
+ * @value:	The value to set the property
+ */
+struct nvme_set_property_args {
+	__u64 value;
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	int offset;
+};
+
+/**
+ * nvme_set_property() - Set controller property
+ * @args:	&struct nvme_set_property_args argument structure
+ *
+ * This is an NVMe-over-Fabrics specific command, not applicable to PCIe. These
+ * properties align to the PCI MMIO controller registers.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_set_property(struct nvme_set_property_args *args);
+
+/**
+ * struct nvme_get_property_args - Arguments for NVMe Get Property command
+ * @value:	Where the property's value will be stored on success
+ * @args_size:	Size of &struct nvme_get_property_args
+ * @fd:		File descriptor of nvme device
+ * @offset:	Property offset from the base to retrieve
+ * @timeout:	Timeout in ms
+ */
+struct nvme_get_property_args {
+	__u64 *value;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	int offset;
+};
+
+/**
+ * nvme_get_property() - Get a controller property
+ * @args:	&struct nvme_get_propert_args argument structure
+ *
+ * This is an NVMe-over-Fabrics specific command, not applicable to PCIe. These
+ * properties align to the PCI MMIO controller registers.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_get_property(struct nvme_get_property_args *args);
+
+/**
+ * struct nvme_sanitize_nvm_args - Arguments for the NVMe Sanitize NVM command
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_sanitize_nvm_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @ovrpat:	Overwrite pattern
+ * @sanact:	Sanitize action, see &enum nvme_sanitize_sanact
+ * @ause:	Set to allow unrestriced sanitize exit
+ * @owpass:	Overwrite pass count
+ * @oipbp:	Set to overwrite invert pattern between passes
+ * @nodas:	Set to not deallocate blocks after sanitizing
+ */
+struct nvme_sanitize_nvm_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	enum nvme_sanitize_sanact sanact;
+	__u32 ovrpat;
+	bool ause;
+	__u8 owpass;
+	bool oipbp;
+	bool nodas;
+};
+
+/**
+ * nvme_sanitize_nvm() - Start a sanitize operation
+ * @args:	&struct nvme_sanitize_nvm_args argument structure
+ *
+ * A sanitize operation alters all user data in the NVM subsystem such that
+ * recovery of any previous user data from any cache, the non-volatile media,
+ * or any Controller Memory Buffer is not possible.
+ *
+ * The Sanitize command starts a sanitize operation or to recover from a
+ * previously failed sanitize operation. The sanitize operation types that may
+ * be supported are Block Erase, Crypto Erase, and Overwrite. All sanitize
+ * operations are processed in the background, i.e., completion of the sanitize
+ * command does not indicate completion of the sanitize operation.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_sanitize_nvm(struct nvme_sanitize_nvm_args *args);
+
+/**
+ * struct nvme_dev_self_test_args - Arguments for the NVMe Device Self Test command
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_dev_self_test_args
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID to test
+ * @stc:	Self test code, see &enum nvme_dst_stc
+ * @timeout:	Timeout in ms
+ */
+struct nvme_dev_self_test_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_dst_stc stc;
+};
+
+/**
+ * nvme_dev_self_test() - Start or abort a self test
+ * @args:	&struct nvme_dev_self_test argument structure
+ *
+ * The Device Self-test command starts a device self-test operation or abort a
+ * device self-test operation. A device self-test operation is a diagnostic
+ * testing sequence that tests the integrity and functionality of the
+ * controller and may include testing of the media associated with namespaces.
+ * The controller may return a response to this command immediately while
+ * running the self-test in the background.
+ *
+ * Set the 'nsid' field to 0 to not include namepsaces in the test. Set to
+ * 0xffffffff to test all namespaces. All other values tests a specific
+ * namespace, if present.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_dev_self_test(struct nvme_dev_self_test_args *args);
+
+/**
+ * struct nvme_virtual_mgmt_args - Arguments for the NVMe Virtualization
+ * 			    resource management command
+ * @args_size:	Size of &struct nvme_virtual_mgmt_args
+ * @fd:		File descriptor of nvme device
+ * @result:	If successful, the CQE dword0
+ * @timeout:	Timeout in ms
+ * @act:	Virtual resource action, see &enum nvme_virt_mgmt_act
+ * @rt:		Resource type to modify, see &enum nvme_virt_mgmt_rt
+ * @cntlid:	Controller id for which resources are bing modified
+ * @nr:		Number of resources being allocated or assigned
+ */
+struct nvme_virtual_mgmt_args {
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	enum nvme_virt_mgmt_act act;
+	enum nvme_virt_mgmt_rt rt;
+	__u16 cntlid;
+	__u16 nr;
+};
+
+/**
+ * nvme_virtual_mgmt() - Virtualization resource management
+ * @args:	&struct nvme_virtual_mgmt_args argument structure
+ *
+ * The Virtualization Management command is supported by primary controllers
+ * that support the Virtualization Enhancements capability. This command is
+ * used for several functions:
+ *
+ *	- Modifying Flexible Resource allocation for the primary controller
+ *	- Assigning Flexible Resources for secondary controllers
+ *	- Setting the Online and Offline state for secondary controllers
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_virtual_mgmt(struct nvme_virtual_mgmt_args *args);
+
+/**
+ * nvme_flush() - Send an nvme flush command
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace identifier
+ *
+ * The Flush command requests that the contents of volatile write cache be made
+ * non-volatile.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_flush(int fd, __u32 nsid) {
+	struct nvme_passthru_cmd cmd = {};
+
+	cmd.opcode = nvme_cmd_flush;
+	cmd.nsid = nsid;
+
+	return nvme_submit_io_passthru(fd, &cmd, NULL);
+}
+
+/**
+ * struct nvme_io_args - Arguments for NVMe I/O commands
+ * @slba:	Starting logical block
+ * @storage_tag: This filed specifies Variable Sized Expected Logical Block
+ *		Storage Tag (ELBST) and Expected Logical Block Reference
+ *		Tag (ELBRT)
+ * @result:	The command completion result from CQE dword0
+ * @data:	Pointer to user address of the data buffer
+ * @metadata:	Pointer to user address of the metadata buffer
+ * @args_size:	Size of &struct nvme_io_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID
+ * @data_len:	Length of user buffer, @data, in bytes
+ * @metadata_len:Length of user buffer, @metadata, in bytes
+ * @nlb:	Number of logical blocks to send (0's based value)
+ * @control:	Command control flags, see &enum nvme_io_control_flags.
+ * @apptag:	This field specifies the Application Tag Mask expected value.
+ *		Used only if the namespace is formatted to use end-to-end
+ *		protection information.
+ * @appmask:	This field specifies the Application Tag expected value. Used
+ *		only if the namespace is formatted to use end-to-end protection
+ *		information.
+ * @reftag:	This field specifies the Initial Logical Block Reference Tag
+ *		expected value. Used only if the namespace is formatted to use
+ *		end-to-end protection information.
+ * @dspec:	Directive specific value
+ * @dsm:	Data set management attributes, see &enum nvme_io_dsm_flags
+ */
+struct nvme_io_args {
+	__u64 slba;
+	__u64 storage_tag;
+	__u32 *result;
+	void *data;
+	void *metadata;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 reftag;
+	__u32 data_len;
+	__u32 metadata_len;
+	__u16 nlb;
+	__u16 control;
+	__u16 apptag;
+	__u16 appmask;
+	__u16 dspec;
+	__u8 dsm;
+};
+
+/**
+ * nvme_io() - Submit an nvme user I/O command
+ * @args:	&struct nvme_io_args argument structure
+ * @opcode:	Opcode to execute
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_io(struct nvme_io_args *args, __u8 opcode);
+
+/**
+ * nvme_read() - Submit an nvme user read command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_read(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_read);
+}
+
+/**
+ * nvme_write() - Submit an nvme user write command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_write(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_write);
+}
+
+/**
+ * nvme_compare() - Submit an nvme user compare command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_compare(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_compare);
+}
+
+/**
+ * nvme_write_zeros() - Submit an nvme write zeroes command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * The Write Zeroes command sets a range of logical blocks to zero.  After
+ * successful completion of this command, the value returned by subsequent
+ * reads of logical blocks in this range shall be all bytes cleared to 0h until
+ * a write occurs to this LBA range.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_write_zeros(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_write_zeroes);
+}
+
+/**
+ * nvme_write_uncorrectable() - Submit an nvme write uncorrectable command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * The Write Uncorrectable command marks a range of logical blocks as invalid.
+ * When the specified logical block(s) are read after this operation, a failure
+ * is returned with Unrecovered Read Error status. To clear the invalid logical
+ * block status, a write operation on those logical blocks is required.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_write_uncorrectable(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_write_uncor);
+}
+
+/**
+ * nvme_verify() - Send an nvme verify command
+ * @args:	&struct nvme_io_args argument structure
+ *
+ * The Verify command verifies integrity of stored information by reading data
+ * and metadata, if applicable, for the LBAs indicated without transferring any
+ * data or metadata to the host.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_verify(struct nvme_io_args *args)
+{
+	return nvme_io(args, nvme_cmd_verify);
+}
+
+/**
+ * struct nvme_dsm_args - Arguments for the NVMe Dataset Management command
+ * @result:	The command completion result from CQE dword0
+ * @dsm:	The data set management attributes
+ * @args_size:	Size of &struct nvme_dsm_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @attrs:	DSM attributes, see &enum nvme_dsm_attributes
+ * @nr_ranges:	Number of block ranges in the data set management attributes
+ */
+struct nvme_dsm_args {
+	__u32 *result;
+	struct nvme_dsm_range *dsm;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 attrs;
+	__u16 nr_ranges;
+};
+
+/**
+ * nvme_dsm() - Send an nvme data set management command
+ * @args:	&struct nvme_dsm_args argument structure
+ *
+ * The Dataset Management command is used by the host to indicate attributes
+ * for ranges of logical blocks. This includes attributes like frequency that
+ * data is read or written, access size, and other information that may be used
+ * to optimize performance and reliability, and may be used to
+ * deallocate/unmap/trim those logical blocks.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_dsm(struct nvme_dsm_args *args);
+
+/**
+ * struct nvme_copy_args - Arguments for the NVMe Copy command
+ * @sdlba:	Start destination LBA
+ * @result:	The command completion result from CQE dword0
+ * @copy:	Range descriptior
+ * @args_size:	Size of &struct nvme_copy_args
+ * @fd:		File descriptor of the nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @ilbrt:	Initial logical block reference tag
+ * @lr:		Limited retry
+ * @fua:	Force unit access
+ * @nr:		Number of ranges
+ * @dspec:	Directive specific value
+ * @lbatm:	Logical block application tag mask
+ * @lbat:	Logical block application tag
+ * @prinfor:	Protection information field for read
+ * @prinfow:	Protection information field for write
+ * @dtype:	Directive type
+ * @format:	Descriptor format
+ */
+struct nvme_copy_args {
+	__u64 sdlba;
+	__u32 *result;
+	struct nvme_copy_range *copy;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 ilbrt;
+	int lr;
+	int fua;
+	__u16 nr;
+	__u16 dspec;
+	__u16 lbatm;
+	__u16 lbat;
+	__u8 prinfor;
+	__u8 prinfow;
+	__u8 dtype;
+	__u8 format;
+};
+
+/**
+ * nvme_copy() -
+ *
+ * @args:	&struct nvme_copy_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_copy(struct nvme_copy_args *args);
+
+/**
+ * struct nvme_resv_acquire_args - Arguments for the NVMe Reservation Acquire Comand
+ * @nrkey:	The reservation key to be unregistered from the namespace if
+ *		the action is preempt
+ * @iekey:	Set to ignore the existing key
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_resv_acquire_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @rtype:	The type of reservation to be create, see &enum nvme_resv_rtype
+ * @racqa:	The action that is performed by the command, see &enum nvme_resv_racqa
+ * @crkey:	The current reservation key associated with the host
+ */
+struct nvme_resv_acquire_args {
+	__u64 crkey;
+	__u64 nrkey;
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_resv_rtype rtype;
+	enum nvme_resv_racqa racqa;
+	bool iekey;
+};
+
+/**
+ * nvme_resv_acquire() - Send an nvme reservation acquire
+ * @args:	&struct nvme_resv_acquire argument structure
+ *
+ * The Reservation Acquire command acquires a reservation on a namespace,
+ * preempt a reservation held on a namespace, and abort a reservation held on a
+ * namespace.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_resv_acquire(struct nvme_resv_acquire_args *args);
+
+/**
+ * struct nvme_resv_register_args - Arguments for the NVMe Reservation Register command
+ * @crkey:	The current reservation key associated with the host
+ * @nrkey:	The new reservation key to be register if action is register or
+ *		replace
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_resv_register_args
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace identifier
+ * @rrega:	The registration action, see &enum nvme_resv_rrega
+ * @cptpl:	Change persist through power loss, see &enum nvme_resv_cptpl
+ * @iekey:	Set to ignore the existing key
+ * @timeout:	Timeout in ms
+ */
+struct nvme_resv_register_args {
+	__u64 crkey;
+	__u64 nrkey;
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_resv_rrega rrega;
+	enum nvme_resv_cptpl cptpl;
+	bool iekey;
+};
+
+/**
+ * nvme_resv_register() - Send an nvme reservation register
+ * @args:	&struct nvme_resv_register_args argument structure
+ *
+ * The Reservation Register command registers, unregisters, or replaces a
+ * reservation key.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_resv_register(struct nvme_resv_register_args *args);
+
+/**
+ * struct nvme_resv_release_args - Arguments for the NVMe Reservation Release Command
+ * @crkey:	The current reservation key to release
+ * @result:	The command completion result from CQE dword0
+ * @args_size:	Size of &struct nvme_resv_release_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @rtype:	The type of reservation to be create, see &enum nvme_resv_rtype
+ * @rrela:	Reservation releast action, see &enum nvme_resv_rrela
+ * @iekey:	Set to ignore the existing key
+ */
+struct nvme_resv_release_args {
+	__u64 crkey;
+	__u32 *result;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_resv_rtype rtype;
+	enum nvme_resv_rrela rrela;
+	bool iekey;
+};
+
+/**
+ * nvme_resv_release() - Send an nvme reservation release
+ * @args:	&struct nvme_resv_release_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_resv_release(struct nvme_resv_release_args *args);
+
+/**
+ * struct nvme_resv_report_args - Arguments for the NVMe Reservation Report command
+ * @result:	The command completion result from CQE dword0
+ * @report:	The user space destination address to store the reservation
+ *		report
+ * @args_size:	Size of &struct nvme_resv_report_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace identifier
+ * @len:	Number of bytes to request transfered with this command
+ * @eds:	Request extended Data Structure
+ */
+struct nvme_resv_report_args {
+	__u32 *result;
+	struct nvme_resv_status *report;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 len;
+	bool eds;
+};
+
+/**
+ * nvme_resv_report() - Send an nvme reservation report
+ * @args:	struct nvme_resv_report_args argument structure
+ *
+ * Returns a Reservation Status data structure to memory that describes the
+ * registration and reservation status of a namespace. See the defintion for
+ * the returned structure, &struct nvme_reservation_status, for more details.
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_resv_report(struct nvme_resv_report_args *args);
+
+/**
+ * struct nvme_zns_mgmt_send_args - Arguments for the NVMe ZNS Management Send command
+ * @slba:	Starting logical block address
+ * @result:	The command completion result from CQE dword0
+ * @data:	Userspace address of the data
+ * @args_size:	Size of &struct nvme_zns_mgmt_send_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	timeout in ms
+ * @nsid:	Namespace ID
+ * @zsa:	Zone send action
+ * @data_len:	Length of @data
+ * @select_all:	Select all flag
+ * @zsaso:	Zone Send Action Specific Option
+ */
+struct nvme_zns_mgmt_send_args {
+	__u64 slba;
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_zns_send_action zsa;
+	__u32 data_len;
+	bool select_all;
+	__u8 zsaso;
+};
+
+/**
+ * nvme_zns_mgmt_send() -
+ * @args:	&struct nvme_zns_mgmt_send_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_zns_mgmt_send(struct nvme_zns_mgmt_send_args *args);
+
+
+/**
+ * struct nvme_zns_mgmt_recv_args - Arguments for the NVMe ZNS Management Receive command
+ * @slba:	Starting logical block address
+ * @result:	The command completion result from CQE dword0
+ * @data:	Userspace address of the data
+ * @args_size:	Size of &struct nvme_zns_mgmt_recv_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	timeout in ms
+ * @nsid:	Namespace ID
+ * @zra:	zone receive action
+ * @data_len:	Length of @data
+ * @zrasf:	Zone receive action specific field
+ * @zras_feat:	Zone receive action specific features
+ */
+struct nvme_zns_mgmt_recv_args {
+	__u64 slba;
+	__u32 *result;
+	void *data;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	enum nvme_zns_recv_action zra;
+	__u32 data_len;
+	__u16 zrasf;
+	bool zras_feat;
+};
+
+/**
+ * nvme_zns_mgmt_recv() -
+ * @args:	&struct nvme_zns_mgmt_recv_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_zns_mgmt_recv(struct nvme_zns_mgmt_recv_args *args);
+
+/**
+ * nvme_zns_report_zones() - Return the list of zones
+ * @fd:		File descriptor of nvme device
+ * @nsid:	Namespace ID
+ * @slba:	Starting LBA
+ * @opts:	Reporting options
+ * @extended:	Extended report
+ * @partial:	Partial report requested
+ * @data_len:	Length of the data buffer
+ * @data:	Userspace address of the report zones data
+ * @timeout:	timeout in ms
+ * @result:	The command completion result from CQE dword0
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+static inline int nvme_zns_report_zones(int fd, __u32 nsid, __u64 slba,
+			  enum nvme_zns_report_options opts,
+			  bool extended, bool partial,
+			  __u32 data_len, void *data,
+			  __u32 timeout, __u32 *result)
+{
+	struct nvme_zns_mgmt_recv_args args = {
+		.slba = slba,
+		.result = result,
+		.data = data,
+		.args_size = sizeof(args),
+		.fd = fd,
+		.timeout = timeout,
+		.nsid = nsid,
+		.zra = extended ? NVME_ZNS_ZRA_EXTENDED_REPORT_ZONES :
+		NVME_ZNS_ZRA_REPORT_ZONES,
+		.data_len = data_len,
+		.zrasf = opts,
+		.zras_feat = partial,
+	};
+
+	return nvme_zns_mgmt_recv(&args);
+}
+
+/**
+ * struct nvme_zns_append_args - Arguments for the NVMe ZNS Append command
+ * @zslba:	Zone start logical block address
+ * @result:	The command completion result from CQE dword0
+ * @data:	Userspace address of the data
+ * @metadata:	Userspace address of the metadata
+ * @args_size:	Size of &struct nvme_zns_append_args
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @nsid:	Namespace ID
+ * @ilbrt:	Initial logical block reference tag
+ * @data_len:	Length of @data
+ * @metadata_len: Length of @metadata
+ * @nlb:	Number of logical blocks
+ * @control:
+ * @lbat:	Logical block application tag
+ * @lbatm:	Logical block application tag mask
+ */
+struct nvme_zns_append_args {
+	__u64 zslba;
+	__u64 *result;
+	void *data;
+	void *metadata;
+	int args_size;
+	int fd;
+	__u32 timeout;
+	__u32 nsid;
+	__u32 ilbrt;
+	__u32 data_len;
+	__u32 metadata_len;
+	__u16 nlb;
+	__u16 control;
+	__u16 lbat;
+	__u16 lbatm;
+};
+
+/**
+ * nvme_zns_append() - Append data to a zone
+ * @args:	&struct nvme_zns_append_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_zns_append(struct nvme_zns_append_args *args);
+
+/**
+ * struct nvme_dim_args - Arguments for the Discovery Information Management (DIM) command
+ * @result:	Set on completion to the command's CQE DWORD 0 controller response.
+ * @data:	Pointer to the DIM data
+ * @args_size:	Length of the structure
+ * @fd:		File descriptor of nvme device
+ * @timeout:	Timeout in ms
+ * @data_len:	Length of @data
+ * @tas:	Task field of the Command Dword 10 (cdw10)
+ */
+struct nvme_dim_args {
+	__u32	*result;
+	void	*data;
+	int	args_size;
+	int	fd;
+	__u32	timeout;
+	__u32	data_len;
+	__u8	tas;
+};
+
+/**
+ * nvme_dim_send - Send a Discovery Information Management (DIM) command
+ * @args:	&struct nvme_dim_args argument structure
+ *
+ * Return: The nvme command status if a response was received (see
+ * &enum nvme_status_field) or -1 with errno set otherwise.
+ */
+int nvme_dim_send(struct nvme_dim_args *args);
+
+#endif /* _LIBNVME_IOCTL_H */