SCSI device access. More...

#include <dev_interface.h>

Collaboration diagram for scsi_device:

[legend]

Public Member Functions
virtual bool	scsi_pass_through (scsi_cmnd_io *iop)=0
	SCSI pass through.

bool	scsi_pass_through_and_check (scsi_cmnd_io iop, const char msg="")

void	set_rcap16_first ()
	Always try READ CAPACITY(10) (rcap10) first but once we know rcap16 is needed, use it instead.

bool	use_rcap16 () const

void	set_spc4_or_higher ()

bool	is_spc4_or_higher () const

bool	query_cmd_support ()

bool	checked_cmd_support () const

enum scsi_cmd_support	cmd_support_level (uint8_t opcode, bool sa_valid, uint16_t sa, bool for_lsense_spc=false) const

Public Member Functions inherited from smart_device
virtual	~smart_device ()

bool	is_ata () const
	Return true if ATA device.

bool	is_scsi () const
	Return true if SCSI device.

bool	is_nvme () const
	Return true if NVMe device.

ata_device *	to_ata ()
	Downcast to ATA device.

const ata_device *	to_ata () const
	Downcast to ATA device (const).

scsi_device *	to_scsi ()
	Downcast to SCSI device.

const scsi_device *	to_scsi () const
	Downcast to SCSI device (const).

nvme_device *	to_nvme ()
	Downcast to NVMe device.

const nvme_device *	to_nvme () const
	Downcast to NVMe device (const).

const device_info &	get_info () const
	Get device info struct.

const char *	get_dev_name () const
	Get device (path)name.

const char *	get_info_name () const
	Get informal name.

const char *	get_dev_type () const
	Get device type.

const char *	get_req_type () const
	Get type requested by user, empty if none.

const error_info &	get_err () const
	Get last error info struct.

int	get_errno () const
	Get last error number.

const char *	get_errmsg () const
	Get last error message.

virtual bool	is_syscall_unsup () const
	Return true if last error indicates an unsupported system call.

bool	set_err (int no, const char *msg,...) __attribute_format_printf(3
	Set last error number and message.

bool bool	set_err (const error_info &err)
	Set last error info struct.

void	clear_err ()
	Clear last error info.

bool	set_err (int no)
	Set last error number and default message.

virtual bool	is_open () const =0
	Return true if device is open.

virtual bool	open ()=0
	Open device, return false on error.

virtual bool	close ()=0
	Close device, return false on error.

virtual smart_device *	autodetect_open ()
	Open device with autodetection support.

virtual bool	is_powered_down ()
	Early test if device is powered up or down.

virtual bool	owns (const smart_device *dev) const
	Return true if other device is owned by this device.

virtual void	release (const smart_device *dev)
	Release ownership of other device.

Protected Member Functions
void	hide_scsi (bool hide=true)
	Hide/unhide SCSI interface.

	scsi_device ()
	Default constructor, registers device as SCSI.

Protected Member Functions inherited from smart_device
	smart_device (smart_interface intf, const char dev_name, const char dev_type, const char req_type)
	Constructor to init interface and device info.

	smart_device (do_not_use_in_implementation_classes)
	Dummy constructor for abstract classes.

device_info &	set_info ()
	R/W access to device info struct.

smart_interface *	smi ()
	Get interface which produced this object.

const smart_interface *	smi () const
	Get interface which produced this object (const).

Private Attributes
bool	rcap16_first

bool	spc4_or_above

bool	rsoc_queried

scsi_cmd_support	rsoc_sup

scsi_cmd_support	logsense_sup

scsi_cmd_support	logsense_spc_sup

scsi_cmd_support	rcap16_sup

scsi_cmd_support	rdefect10_sup

scsi_cmd_support	rdefect12_sup

Additional Inherited Members
Static Public Member Functions inherited from smart_device
static int	get_num_objects ()
	Get current number of allocated 'smart_device' objects.

Protected Types inherited from smart_device
enum	do_not_use_in_implementation_classes { never_called }
	Dummy enum for dummy constructor. More...

Detailed Description

SCSI device access.

Definition at line 586 of file dev_interface.h.

Constructor & Destructor Documentation

◆ scsi_device()

scsi_device::scsi_device ( )

inlineprotected

Default constructor, registers device as SCSI.

Definition at line 624 of file dev_interface.h.

Member Function Documentation

◆ checked_cmd_support()

bool scsi_device::checked_cmd_support ( ) const

inline

Definition at line 612 of file dev_interface.h.

◆ cmd_support_level()

enum scsi_cmd_support scsi_device::cmd_support_level	(	uint8_t	opcode,
		bool	sa_valid,
		uint16_t	sa,
		bool	for_lsense_spc = `false`
	)		const

Definition at line 172 of file scsicmds.cpp.

◆ hide_scsi()

void scsi_device::hide_scsi ( bool hide = true )

inlineprotected

Hide/unhide SCSI interface.

Definition at line 620 of file dev_interface.h.

◆ is_spc4_or_higher()

bool scsi_device::is_spc4_or_higher ( ) const

inline

Definition at line 608 of file dev_interface.h.

◆ query_cmd_support()

bool scsi_device::query_cmd_support ( )

Definition at line 80 of file scsicmds.cpp.

◆ scsi_pass_through()

virtual bool scsi_device::scsi_pass_through ( scsi_cmnd_io * iop )

pure virtual

SCSI pass through.

Returns false on error.

Implemented in areca_scsi_device, os::legacy_scsi_device, os_freebsd::freebsd_megaraid_device, os_freebsd::freebsd_scsi_device, os_freebsd::freebsd_cciss_device, os_linux::linux_scsi_device, os_linux::linux_aacraid_device, os_linux::linux_megaraid_device, os_linux::linux_sssraid_device, os_netbsd::netbsd_scsi_device, os_openbsd::openbsd_scsi_device, os_win32::win_scsi_device, sat::sat_device, and os_win32::win_aacraid_device.

◆ scsi_pass_through_and_check()

bool scsi_device::scsi_pass_through_and_check	(	scsi_cmnd_io *	iop,
		const char *	msg = `""`
	)

Definition at line 198 of file dev_interface.cpp.

◆ set_rcap16_first()

void scsi_device::set_rcap16_first ( )

inline

Always try READ CAPACITY(10) (rcap10) first but once we know rcap16 is needed, use it instead.

Definition at line 600 of file dev_interface.h.

◆ set_spc4_or_higher()

void scsi_device::set_spc4_or_higher ( )

inline

Definition at line 606 of file dev_interface.h.

◆ use_rcap16()

bool scsi_device::use_rcap16 ( ) const

inline

Definition at line 603 of file dev_interface.h.

Member Data Documentation

◆ logsense_spc_sup

scsi_cmd_support scsi_device::logsense_spc_sup

private

Definition at line 644 of file dev_interface.h.

◆ logsense_sup

scsi_cmd_support scsi_device::logsense_sup

private

Definition at line 643 of file dev_interface.h.

◆ rcap16_first

bool scsi_device::rcap16_first

private

Definition at line 638 of file dev_interface.h.

◆ rcap16_sup

scsi_cmd_support scsi_device::rcap16_sup

private

Definition at line 645 of file dev_interface.h.

◆ rdefect10_sup

scsi_cmd_support scsi_device::rdefect10_sup

private

Definition at line 646 of file dev_interface.h.

◆ rdefect12_sup

scsi_cmd_support scsi_device::rdefect12_sup

private

Definition at line 647 of file dev_interface.h.

◆ rsoc_queried

bool scsi_device::rsoc_queried

private

Definition at line 641 of file dev_interface.h.

◆ rsoc_sup

scsi_cmd_support scsi_device::rsoc_sup

private

Definition at line 642 of file dev_interface.h.

◆ spc4_or_above

bool scsi_device::spc4_or_above

private

Definition at line 639 of file dev_interface.h.

The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ scsi_device()

Member Function Documentation

◆ checked_cmd_support()

◆ cmd_support_level()

◆ hide_scsi()

◆ is_spc4_or_higher()

◆ query_cmd_support()

◆ scsi_pass_through()

◆ scsi_pass_through_and_check()

◆ set_rcap16_first()

◆ set_spc4_or_higher()

◆ use_rcap16()

Member Data Documentation

◆ logsense_spc_sup

◆ logsense_sup

◆ rcap16_first

◆ rcap16_sup

◆ rdefect10_sup

◆ rdefect12_sup

◆ rsoc_queried

◆ rsoc_sup

◆ spc4_or_above