nvme_da.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bio.h>
#include <sys/sysctl.h>
#include <sys/taskqueue.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/conf.h>
#include <sys/devicestat.h>
#include <sys/eventhandler.h>
#include <sys/malloc.h>
#include <sys/cons.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/sbuf.h>
#include <geom/geom.h>
#include <geom/geom_disk.h>
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_periph.h>
#include <cam/cam_xpt_periph.h>
#include <cam/cam_sim.h>
#include <cam/cam_iosched.h>
#include <cam/nvme/nvme_all.h>

Include dependency graph for nvme_da.c:

Go to the source code of this file.

Data Structures
struct	nda_softc
struct	nda_trim_request

Macros
#define	NDA_FLAG_STRING
#define	NDA_Q_BIT_STRING
#define	ccb_state   ccb_h.ppriv_field0
#define	ccb_bp   ccb_h.ppriv_ptr1 /* For NDA_CCB_BUFFER_IO */
#define	ccb_trim   ccb_h.ppriv_ptr1 /* For NDA_CCB_TRIM */
#define	NDA_DEFAULT_SEND_ORDERED   1
#define	NDA_DEFAULT_TIMEOUT   30 /* Timeout in seconds */
#define	NDA_DEFAULT_RETRY   4
#define	NDA_MAX_TRIM_ENTRIES   (NVME_MAX_DSM_TRIM / sizeof(struct nvme_dsm_range))/* Number of DSM trims to use, max 256 */

Enumerations
enum	nda_state { NDA_STATE_NORMAL }
enum	nda_flags { NDA_FLAG_OPEN = 0x0001 , NDA_FLAG_DIRTY = 0x0002 , NDA_FLAG_SCTX_INIT = 0x0004 }
enum	nda_quirks { NDA_Q_4K = 0x01 , NDA_Q_NONE = 0x00 }
enum	nda_ccb_state {   NDA_CCB_BUFFER_IO = 0x01 , NDA_CCB_DUMP = 0x02 , NDA_CCB_TRIM = 0x03 , NDA_CCB_PASS = 0x04 ,   NDA_CCB_TYPE_MASK = 0x0F }

Functions
	__FBSDID ("$FreeBSD$")
	_Static_assert (NVME_MAX_DSM_TRIM % sizeof(struct nvme_dsm_range)==0, "NVME_MAX_DSM_TRIM must be an integral number of ranges")
static void	ndaasync (void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
static void	ndasysctlinit (void *context, int pending)
static int	ndaflagssysctl (SYSCTL_HANDLER_ARGS)
static void	ndadone (struct cam_periph *periph, union ccb *done_ccb)
static int	ndaerror (union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
static void	ndashutdown (void *arg, int howto)
static void	ndasuspend (void *arg)
static	SYSCTL_NODE (_kern_cam, OID_AUTO, nda, CTLFLAG_RD|CTLFLAG_MPSAFE, 0, "CAM Direct Access Disk driver")
	SYSCTL_INT (_kern_cam_nda, OID_AUTO, max_trim, CTLFLAG_RDTUN, &nda_max_trim_entries, NDA_MAX_TRIM_ENTRIES, "Maximum number of BIO_DELETE to send down as a DSM TRIM.")
	SYSCTL_INT (_kern_cam_nda, OID_AUTO, enable_biospeedup, CTLFLAG_RDTUN, &nda_enable_biospeedup, 0, "Enable BIO_SPEEDUP processing.")
	SYSCTL_INT (_kern_cam_nda, OID_AUTO, nvd_compat, CTLFLAG_RDTUN, &nda_nvd_compat, 1, "Enable creation of nvd aliases.")
	PERIPHDRIVER_DECLARE (nda, ndadriver)
static	MALLOC_DEFINE (M_NVMEDA, "nvme_da", "nvme_da buffers")
static void	nda_nvme_flush (struct nda_softc *softc, struct ccb_nvmeio *nvmeio)
static void	nda_nvme_trim (struct nda_softc *softc, struct ccb_nvmeio *nvmeio, void *payload, uint32_t num_ranges)
static void	nda_nvme_write (struct nda_softc *softc, struct ccb_nvmeio *nvmeio, void *payload, uint64_t lba, uint32_t len, uint32_t count)
static void	nda_nvme_rw_bio (struct nda_softc *softc, struct ccb_nvmeio *nvmeio, struct bio *bp, uint32_t rwcmd)
static int	ndaopen (struct disk *dp)
static int	ndaclose (struct disk *dp)
static void	ndaschedule (struct cam_periph *periph)
static int	ndaioctl (struct disk *dp, u_long cmd, void *data, int fflag, struct thread *td)
static void	ndastrategy (struct bio *bp)
static int	ndadump (void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
static void	ndadiskgonecb (struct disk *dp)
static void	ndaoninvalidate (struct cam_periph *periph)
static void	ndacleanup (struct cam_periph *periph)
static int	ndagetattr (struct bio *bp)
static cam_status	ndaregister (struct cam_periph *periph, void *arg)
static void	ndastart (struct cam_periph *periph, union ccb *start_ccb)
static void	ndaflush (void)

Variables
static disk_ioctl_t	ndaioctl
static disk_strategy_t	ndastrategy
static dumper_t	ndadump
static periph_init_t	ndainit
static periph_ctor_t	ndaregister
static periph_dtor_t	ndacleanup
static periph_start_t	ndastart
static periph_oninv_t	ndaoninvalidate
static int	nda_send_ordered = NDA_DEFAULT_SEND_ORDERED
static int	nda_default_timeout = NDA_DEFAULT_TIMEOUT
static int	nda_max_trim_entries = NDA_MAX_TRIM_ENTRIES
static int	nda_enable_biospeedup = 1
static int	nda_nvd_compat = 1
static int	nda_rotating_media = 0
static struct periph_driver	ndadriver

Macro Definition Documentation

ccb_bp

#define ccb_bp   ccb_h.ppriv_ptr1 /* For NDA_CCB_BUFFER_IO */

Definition at line 104 of file nvme_da.c.

ccb_state

#define ccb_state   ccb_h.ppriv_field0

Definition at line 103 of file nvme_da.c.

ccb_trim

#define ccb_trim   ccb_h.ppriv_ptr1 /* For NDA_CCB_TRIM */

Definition at line 105 of file nvme_da.c.

NDA_DEFAULT_RETRY

#define NDA_DEFAULT_RETRY   4

Definition at line 174 of file nvme_da.c.

NDA_DEFAULT_SEND_ORDERED

#define NDA_DEFAULT_SEND_ORDERED   1

Definition at line 168 of file nvme_da.c.

NDA_DEFAULT_TIMEOUT

#define NDA_DEFAULT_TIMEOUT   30 /* Timeout in seconds */

Definition at line 171 of file nvme_da.c.

NDA_FLAG_STRING

#define NDA_FLAG_STRING

Value:

        "\020"                  \
        "\001OPEN"              \
        "\002DIRTY"             \
        "\003SCTX_INIT"

Definition at line 79 of file nvme_da.c.

NDA_MAX_TRIM_ENTRIES

#define NDA_MAX_TRIM_ENTRIES   (NVME_MAX_DSM_TRIM / sizeof(struct nvme_dsm_range))/* Number of DSM trims to use, max 256 */

Definition at line 177 of file nvme_da.c.

NDA_Q_BIT_STRING

#define NDA_Q_BIT_STRING

Value:

        "\020"                  \
        "\001Bit 0"

Definition at line 90 of file nvme_da.c.

Enumeration Type Documentation

nda_ccb_state

enum nda_ccb_state

Enumerator
NDA_CCB_BUFFER_IO
NDA_CCB_DUMP
NDA_CCB_TRIM
NDA_CCB_PASS
NDA_CCB_TYPE_MASK

Definition at line 94 of file nvme_da.c.

nda_flags

enum nda_flags

Enumerator
NDA_FLAG_OPEN
NDA_FLAG_DIRTY
NDA_FLAG_SCTX_INIT

Definition at line 74 of file nvme_da.c.

nda_quirks

enum nda_quirks

Enumerator
NDA_Q_4K
NDA_Q_NONE

Definition at line 85 of file nvme_da.c.

nda_state

enum nda_state

Enumerator
NDA_STATE_NORMAL

Definition at line 70 of file nvme_da.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

_Static_assert()

_Static_assert	(	NVME_MAX_DSM_TRIM %	sizeofstruct nvme_dsm_range = =0,
		"NVME_MAX_DSM_TRIM must be an integral number of ranges"
	)

MALLOC_DEFINE()

static MALLOC_DEFINE ( M_NVMEDA  , "nvme_da"  , "nvme_da buffers"    )

static

nda_nvme_flush()

static void nda_nvme_flush ( struct nda_softc *  softc, struct ccb_nvmeio *  nvmeio  )

static

Definition at line 221 of file nvme_da.c.

References CAM_DIR_NONE, cam_fill_nvmeio(), ccb_nvmeio::cmd, nda_default_timeout, ndadone(), and nda_softc::nsid.

Referenced by ndaclose(), ndadump(), ndaflush(), and ndastart().

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nda_nvme_rw_bio()

static void nda_nvme_rw_bio ( struct nda_softc *  softc, struct ccb_nvmeio *  nvmeio, struct bio *  bp, uint32_t  rwcmd  )

static

Definition at line 262 of file nvme_da.c.

References CAM_DATA_BIO, CAM_DIR_IN, CAM_DIR_OUT, cam_fill_nvmeio(), ccb_nvmeio::cmd, nda_softc::disk, periph_driver::flags, nda_default_timeout, ndadone(), and nda_softc::nsid.

Referenced by ndastart().

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nda_nvme_trim()

static void nda_nvme_trim ( struct nda_softc *  softc, struct ccb_nvmeio *  nvmeio, void *  payload, uint32_t  num_ranges  )

static

Definition at line 234 of file nvme_da.c.

References CAM_DIR_OUT, cam_fill_nvmeio(), ccb_nvmeio::cmd, nda_default_timeout, ndadone(), and nda_softc::nsid.

Referenced by ndastart().

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nda_nvme_write()

static void nda_nvme_write ( struct nda_softc *  softc, struct ccb_nvmeio *  nvmeio, void *  payload, uint64_t  lba, uint32_t  len, uint32_t  count  )

static

Definition at line 248 of file nvme_da.c.

References CAM_DIR_OUT, cam_fill_nvmeio(), ccb_nvmeio::cmd, nda_default_timeout, ndadone(), and nda_softc::nsid.

Referenced by ndadump().

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ndaasync()

static void ndaasync ( void *  callback_arg, u_int32_t  code, struct cam_path *  path, void *  arg  )

static

Definition at line 644 of file nvme_da.c.

References AC_ADVINFO_CHANGED, AC_FOUND_DEVICE, AC_LOST_DEVICE, cam_periph_alloc(), cam_periph_async(), CAM_PERIPH_BIO, CAM_REQ_CMP, CAM_REQ_INPROG, CDAI_TYPE_PHYS_PATH, nda_softc::disk, ndaasync(), ndacleanup, ndaoninvalidate, ndaregister, ndastart, PROTO_NVME, ccb_getdev::protocol, and cam_periph::softc.

Referenced by ndaasync(), ndaoninvalidate(), and ndaregister().

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ndacleanup()

static void ndacleanup ( struct cam_periph *  periph )

static

Definition at line 614 of file nvme_da.c.

References nda_softc::cam_iosched, cam_iosched_fini(), cam_periph_lock, cam_periph_unlock, nda_softc::disk, nda_softc::flags, NDA_FLAG_SCTX_INIT, cam_periph::path, cam_periph::softc, nda_softc::sysctl_ctx, and xpt_print().

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ndaclose()

static int ndaclose ( struct disk *  dp )

static

Definition at line 321 of file nvme_da.c.

References CAM_DEBUG, CAM_DEBUG_PERIPH, CAM_DEBUG_TRACE, cam_periph_getccb(), cam_periph_hold(), CAM_PERIPH_INVALID, cam_periph_lock, cam_periph_release(), cam_periph_runccb(), cam_periph_sleep, cam_periph_unhold(), cam_periph_unlock, CAM_PRIORITY_NORMAL, ccb, cam_periph::flags, NDA_FLAG_DIRTY, nda_nvme_flush(), ndaerror(), ccb::nvmeio, cam_periph::path, cam_periph::softc, xpt_print(), and xpt_release_ccb().

Referenced by ndaregister().

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ndadiskgonecb()

static void ndadiskgonecb ( struct disk *  dp )

static

Definition at line 579 of file nvme_da.c.

References cam_periph_release().

Referenced by ndaregister().

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ndadone()

static void ndadone ( struct cam_periph *  periph, union ccb *  done_ccb  )

static

Definition at line 1153 of file nvme_da.c.

References CAM_DEBUG, CAM_DEBUG_TRACE, CAM_DEV_QFRZN, nda_softc::cam_iosched, cam_iosched_bio_complete(), cam_periph_lock, cam_periph_unlock, cam_release_devq(), CAM_REQ_CMP, CAM_STATUS_MASK, ccb::ccb_h, NDA_CCB_BUFFER_IO, NDA_CCB_DUMP, NDA_CCB_PASS, NDA_CCB_TRIM, NDA_CCB_TYPE_MASK, ndaerror(), ndaschedule(), ccb::nvmeio, nda_softc::outstanding_cmds, ccb_hdr::path, cam_periph::softc, nda_softc::state, ccb_hdr::status, TAILQ_HEAD(), and xpt_release_ccb().

Referenced by nda_nvme_flush(), nda_nvme_rw_bio(), nda_nvme_trim(), nda_nvme_write(), and ndaioctl().

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ndadump()

static int ndadump ( void *  arg, void *  virtual, vm_offset_t  physical, off_t  offset, size_t  length  )

static

Definition at line 502 of file nvme_da.c.

References cam_periph_error(), CAM_PERIPH_INVALID, cam_periph_runccb(), CAM_PRIORITY_NORMAL, ccb_nvmeio::ccb_h, nda_softc::disk, cam_periph::flags, NDA_CCB_DUMP, nda_nvme_flush(), nda_nvme_write(), cam_periph::path, SF_NO_RECOVERY, SF_NO_RETRY, cam_periph::softc, xpt_print(), and xpt_setup_ccb().

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ndaerror()

static int ndaerror ( union ccb *  ccb, u_int32_t  cam_flags, u_int32_t  sense_flags  )

static

Definition at line 1270 of file nvme_da.c.

References CAM_ATA_STATUS_ERROR, CAM_CMD_TIMEOUT, CAM_DATA_RUN_ERR, cam_periph_error(), CAM_REQ_ABORTED, CAM_REQ_CMP_ERR, CAM_REQ_TERMIO, CAM_STATUS_MASK, CAM_UNREC_HBA_ERROR, ccb::ccb_h, ccb_hdr::path, cam_periph::softc, ccb_hdr::status, and xpt_path_periph().

Referenced by ndaclose(), ndadone(), and ndaflush().

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ndaflagssysctl()

static int ndaflagssysctl ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 801 of file nvme_da.c.

References nda_softc::flags, and NDA_FLAG_STRING.

Referenced by ndasysctlinit().

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ndaflush()

static void ndaflush ( void  )

static

Definition at line 1308 of file nvme_da.c.

References CAM_PERIPH_FOREACH, cam_periph_getccb(), cam_periph_lock, cam_periph_owned, cam_periph_runccb(), cam_periph_unlock, CAM_PRIORITY_NORMAL, ccb, nda_softc::disk, nda_softc::flags, NDA_FLAG_OPEN, nda_nvme_flush(), ndadriver, ndadump, ndaerror(), ccb::nvmeio, cam_periph::path, SF_NO_RECOVERY, SF_NO_RETRY, cam_periph::softc, xpt_print(), and xpt_release_ccb().

Referenced by ndashutdown(), and ndasuspend().

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ndagetattr()

static int ndagetattr ( struct bio *  bp )

static

Definition at line 819 of file nvme_da.c.

References cam_periph_lock, cam_periph_unlock, nda_enable_biospeedup, cam_periph::path, and xpt_getattr().

Referenced by ndaregister().

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ndaioctl()

static int ndaioctl ( struct disk *  dp, u_long  cmd, void *  data, int  fflag, struct thread *  td  )

static

Definition at line 374 of file nvme_da.c.

References CAM_DATA_VADDR, CAM_DIR_IN, CAM_DIR_OUT, cam_fill_nvmeio(), cam_periph_lock, cam_periph_mapmem(), cam_periph_runccb(), cam_periph_unlock, cam_periph_unmapmem(), CAM_PRIORITY_NORMAL, CAM_REQ_CMP, CAM_RETRY_SELTO, ccb, ccb::ccb_h, ccb_nvmeio::cmd, ccb_pathinq_settings_nvme::dev_name, NDA_CCB_PASS, nda_default_timeout, ndadone(), ccb_pathinq_settings_nvme::nsid, ccb_pathinq::nvme, ccb::nvmeio, cam_periph::path, SF_NO_PRINT, SF_RETRY_UA, ccb_hdr::status, ccb_pathinq::xport_specific, xpt_alloc_ccb(), xpt_path_inq(), xpt_release_ccb(), and xpt_setup_ccb().

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ndaoninvalidate()

static void ndaoninvalidate ( struct cam_periph *  periph )

static

Definition at line 589 of file nvme_da.c.

References nda_softc::cam_iosched, cam_iosched_flush(), nda_softc::disk, ndaasync(), cam_periph::path, cam_periph::softc, and xpt_register_async().

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ndaopen()

static int ndaopen ( struct disk *  dp )

static

Definition at line 291 of file nvme_da.c.

References CAM_DEBUG, CAM_DEBUG_PERIPH, CAM_DEBUG_TRACE, cam_periph_acquire(), cam_periph_hold(), cam_periph_lock, cam_periph_release(), cam_periph_unhold(), cam_periph_unlock, nda_softc::flags, NDA_FLAG_OPEN, cam_periph::path, and cam_periph::softc.

Referenced by ndaregister().

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ndaregister()

static cam_status ndaregister ( struct cam_periph *  periph, void *  arg  )

static

Definition at line 838 of file nvme_da.c.

References AC_ADVINFO_CHANGED, AC_LOST_DEVICE, nda_softc::cam_iosched, cam_iosched_init(), cam_iosched_set_sort_queue(), cam_periph_acquire(), cam_periph_hold(), cam_periph_lock, cam_periph_unhold(), cam_periph_unlock, CAM_REQ_CMP, CAM_REQ_CMP_ERR, cam_sim_pollable(), cam_strvis_flag(), CAM_STRVIS_FLAG_NONASCII_SPC, ccb_pathinq::dev_name, nda_softc::disk, ccb_pathinq::hba_device, ccb_pathinq::hba_misc, ccb_pathinq::hba_subdevice, ccb_pathinq::hba_subvendor, ccb_pathinq::hba_vendor, ccb_pathinq::maxio, nda_nvd_compat, NDA_Q_BIT_STRING, NDA_Q_NONE, NDA_STATE_NORMAL, ndaasync(), ndaclose(), ndadiskgonecb(), ndadump, ndagetattr(), ndaioctl, ndaopen(), ndastrategy, ndasysctlinit(), nda_softc::nsid, nvme_get_identify_cntrl(), nvme_get_identify_ns(), cam_periph::path, cam_periph::periph_name, PIM_UNMAPPED, nda_softc::quirks, cam_periph::sim, cam_periph::softc, nda_softc::state, nda_softc::sysctl_task, ccb_pathinq::transport, ccb_pathinq::unit_number, cam_periph::unit_number, nda_softc::unmappedio, XPORT_DEVSTAT_TYPE, xpt_announce_periph(), xpt_announce_quirks(), xpt_path_inq(), xpt_path_lun_id(), xpt_print(), and xpt_register_async().

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ndaschedule()

static void ndaschedule ( struct cam_periph *  periph )

static

Definition at line 363 of file nvme_da.c.

References nda_softc::cam_iosched, cam_iosched_schedule(), NDA_STATE_NORMAL, cam_periph::softc, and nda_softc::state.

Referenced by ndadone(), ndastart(), and ndastrategy().

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ndashutdown()

static void ndashutdown ( void *  arg, int  howto  )

static

Definition at line 1354 of file nvme_da.c.

References ndaflush().

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ndastart()

static void ndastart ( struct cam_periph *  periph, union ccb *  start_ccb  )

static

Definition at line 1004 of file nvme_da.c.

References CAM_DEBUG, CAM_DEBUG_TRACE, nda_softc::cam_iosched, cam_iosched_next_bio(), cam_iosched_next_trim(), cam_periph_lock, cam_periph_unlock, CAM_UNLOCKED, ccb::ccb_h, nda_softc::disk, nda_trim_request::dsm, ccb_hdr::flags, nda_softc::flags, NDA_CCB_BUFFER_IO, NDA_CCB_TRIM, NDA_FLAG_DIRTY, nda_max_trim_entries, nda_nvme_flush(), nda_nvme_rw_bio(), nda_nvme_trim(), NDA_STATE_NORMAL, ndaschedule(), ccb::nvmeio, nda_softc::outstanding_cmds, cam_periph::path, nda_softc::refcount, cam_periph::softc, nda_softc::state, nda_softc::trim_count, nda_softc::trim_lbas, nda_softc::trim_ranges, xpt_action(), and xpt_release_ccb().

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ndastrategy()

static void ndastrategy ( struct bio *  bp )

static

Definition at line 463 of file nvme_da.c.

References CAM_DEBUG, CAM_DEBUG_TRACE, cam_iosched_queue_work(), CAM_PERIPH_INVALID, cam_periph_lock, cam_periph_unlock, cam_periph::flags, ndaschedule(), cam_periph::path, and cam_periph::softc.

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ndasuspend()

static void ndasuspend ( void *  arg )

static

Definition at line 1361 of file nvme_da.c.

References ndaflush().

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ndasysctlinit()

static void ndasysctlinit ( void *  context, int  pending  )

static

Definition at line 702 of file nvme_da.c.

References nda_softc::cam_iosched, cam_iosched_sysctl_init(), CAM_PERIPH_INVALID, cam_periph_invalidate_sysctl(), cam_periph_release(), nda_softc::deletes, cam_periph::flags, nda_softc::flags, NDA_FLAG_SCTX_INIT, nda_rotating_media, ndaflagssysctl(), cam_periph::softc, nda_softc::sysctl_ctx, nda_softc::sysctl_tree, nda_softc::trim_count, nda_softc::trim_lbas, nda_softc::trim_ranges, cam_periph::unit_number, and nda_softc::unmappedio.

Referenced by ndaregister().

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PERIPHDRIVER_DECLARE()

PERIPHDRIVER_DECLARE	(	nda	,
		ndadriver
	)

SYSCTL_INT() [1/3]

SYSCTL_INT	(	_kern_cam_nda	,
		OID_AUTO	,
		enable_biospeedup	,
		CTLFLAG_RDTUN	,
		&	nda_enable_biospeedup,
		0	,
		"Enable BIO_SPEEDUP processing."
	)

SYSCTL_INT() [2/3]

SYSCTL_INT	(	_kern_cam_nda	,
		OID_AUTO	,
		max_trim	,
		CTLFLAG_RDTUN	,
		&	nda_max_trim_entries,
		NDA_MAX_TRIM_ENTRIES	,
		"Maximum number of BIO_DELETE to send down as a DSM TRIM."
	)

SYSCTL_INT() [3/3]

SYSCTL_INT	(	_kern_cam_nda	,
		OID_AUTO	,
		nvd_compat	,
		CTLFLAG_RDTUN	,
		&	nda_nvd_compat,
		1	,
		"Enable creation of nvd aliases."
	)

SYSCTL_NODE()

static SYSCTL_NODE ( _kern_cam  , OID_AUTO  , nda  , CTLFLAG_RD|  CTLFLAG_MPSAFE, 0  , "CAM Direct Access Disk driver"    )

static

Variable Documentation

nda_default_timeout

int nda_default_timeout = NDA_DEFAULT_TIMEOUT

static

Definition at line 185 of file nvme_da.c.

Referenced by nda_nvme_flush(), nda_nvme_rw_bio(), nda_nvme_trim(), nda_nvme_write(), and ndaioctl().

nda_enable_biospeedup

int nda_enable_biospeedup = 1

static

Definition at line 187 of file nvme_da.c.

Referenced by ndagetattr().

nda_max_trim_entries

int nda_max_trim_entries = NDA_MAX_TRIM_ENTRIES

static

Definition at line 186 of file nvme_da.c.

Referenced by ndastart().

nda_nvd_compat

int nda_nvd_compat = 1

static

Definition at line 188 of file nvme_da.c.

Referenced by ndaregister().

nda_rotating_media

int nda_rotating_media = 0

static

Definition at line 201 of file nvme_da.c.

Referenced by ndasysctlinit().

nda_send_ordered

int nda_send_ordered = NDA_DEFAULT_SEND_ORDERED

static

Definition at line 184 of file nvme_da.c.

ndacleanup

periph_dtor_t ndacleanup

static

Definition at line 157 of file nvme_da.c.

Referenced by ndaasync().

ndadriver

struct periph_driver ndadriver

static

Initial value:

=
{
        ndainit, "nda",
        TAILQ_HEAD_INITIALIZER(ndadriver.units),  0
}

Definition at line 203 of file nvme_da.c.

Referenced by ndaflush().

ndadump

dumper_t ndadump

static

Definition at line 150 of file nvme_da.c.

Referenced by ndaflush(), and ndaregister().

ndainit

static void ndainit ( void  )

static

Definition at line 151 of file nvme_da.c.

ndaioctl

disk_ioctl_t ndaioctl

static

Definition at line 148 of file nvme_da.c.

Referenced by ndaregister().

ndaoninvalidate

periph_oninv_t ndaoninvalidate

static

Definition at line 159 of file nvme_da.c.

Referenced by ndaasync().

ndaregister

periph_ctor_t ndaregister

static

Definition at line 156 of file nvme_da.c.

Referenced by ndaasync().

ndastart

periph_start_t ndastart

static

Definition at line 158 of file nvme_da.c.

Referenced by ndaasync().

ndastrategy

disk_strategy_t ndastrategy

static

Definition at line 149 of file nvme_da.c.

Referenced by ndaregister().