nvme_identify_t Struct Reference

nvme identify data fields More...

#include <nvme.h>

Public Attributes
uint16_t	vid
	PCI vendor ID.
uint16_t	ssvid
	PCI subsystem vendor ID.
char_t	sn [20]
	Serial number.
char_t	mn [40]
	model number
uint64_t	fr
	Firmware revision.
uint8_t	rab
	Recommended arbitration burst.
uint8_t	ieee [3]
	ieee data
uint8_t	cmic
	Controller multi-path I/O and namespace sharing capabilities.
uint8_t	mdts
	Maximum data transfer size.
uint16_t	cntlid
	Controller ID.
uint32_t	ver
	Version.
uint32_t	rtd3r
	RTD3 resume latency.
uint32_t	rtd3e
	RTD3 entry latency.
uint32_t	oaes
	Optional asynchronous events supported.
uint32_t	ctratt
	Controller attributes.
uint8_t	reserved0 [256 - 100]
	reserved
uint16_t	oacs
	Optional admin command support.
uint8_t	acl
	Abort command limit.
uint8_t	aerl
	Asynchronous event request limit.
uint8_t	frmw
	Firmware updates.
uint8_t	lpa
	Log page attributes.
uint8_t	elpe
	Error log page attributes.
uint8_t	npss
	Number of power states supported.
uint8_t	avscc
	Admin vendor specific command configuration.
uint8_t	apsta
	Autonomous power state transition attributes.
uint16_t	wctemp
	Warning composite temperature threshold.
uint16_t	cctemp
	Critical composite temperature threshold.
uint16_t	mtfa
	maximum time for firmware activation
uint32_t	hmpre
	Host memory buffer preferred size.
uint32_t	hmmin
	Host memory buffer minimum size.
uint64_t	tnvmcap_lo
	Total NVM capacity low 64 bits.
uint64_t	tnvmcap_hi
	Total NVM capacity high 64 bits.
uint64_t	unvmcap_lo
	Unallocated NVM capacity low 64 bits.
uint64_t	unvmcap_hi
	Unallocated NVM capacity high 64 bits.
uint32_t	rpmbs
	Replay protected memory block support.
uint32_t	reserved1
	reserved
uint16_t	kas
	Keepalive support.
uint8_t	reserved2 [190]
	reserved
uint8_t	sqes
	Submission queue entry size.
uint8_t	cqes
	Completion queue entry size.
uint16_t	maxcmd
	Maximum outstanding commands.
uint32_t	nn
	Number of namespaces.
uint16_t	oncs
	Optional nvm command support.
uint16_t	fuses
	Fused operation support.
uint8_t	vna
	Format NVM attributes.
uint8_t	vwc
	Volatile write cache.
uint16_t	awun
	Atomic write unit normal.
uint16_t	awupf
	Atomic write unit power fail.
uint8_t	nvscc
	NVM vendor specific command confiuration.
uint8_t	reserved3
	reserved
uint16_t	acwu
	Acomit compare and write unit.
uint16_t	reserved4
	reserved
uint32_t	sgls
	SGL support.
uint8_t	reserved5 [768 - 540]
	reserved
uint8_t	subnqn [256]
	NVM subsystem qualified name.
uint8_t	reserved6 [2048 - 1024]
	reserved
uint8_t	psd [32][32]
	Power state descriptors.
uint8_t	vs [4096 - 3072]
	Vendor specific.

Detailed Description

nvme identify data fields

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The documentation for this struct was generated from the following file:

• includes/driver/nvme.h