#include "ocs_os.h"

Detailed Description

Defines the iSCSI session managment functions. This code should be OS independant.

Definition in file ocs_session.h.

Functions
int32_t	ocs_session_initialize (ocs_iscsi_t *)
	Initialize the session management by allocating objects for sessions. More...

void	ocs_session_teardown (ocs_iscsi_t *)
	Releases the session objects used within the login module. More...

int32_t	ocs_session_cxn_new (ocs_cxn_t cxn, char tgt_name, char *ini_name, uint64_t isid, uint16_t tsih, uint16_t cid, uint32_t cmd_sn)
	Find an existing session or create a new one based on the login parameters. More...

int32_t	ocs_session_cxn_del (ocs_cxn_t *cxn)
	Removes a connection from its session. More...

ocs_cxn_t *	ocs_session_cxn_find (ocs_session_t *session, uint16_t cid)
	Locate a connection within a session based on the cid. More...

void	ocs_session_close (ocs_session_t *session, uint8_t reset)
	Closes all connections on a session. More...

void	ocs_session_max_cmd_sn_upd (ocs_session_t *session)
	Updates the max_cmd_sn based on the number IOs available. More...

int32_t	ocs_session_tgt_unsol_pdu_recv (ocs_cxn_t cxn, ocs_hal_rq_buffer_t hdr, uint32_t hdr_len, ocs_hal_rq_buffer_t *data, uint32_t data_len, uint8_t code)
	Function to handle unsolicited PDUs on a target. More...

int32_t	ocs_session_abort_itt (ocs_session_t *session, uint32_t itt)
	Abort a specific IO based on the ITT. More...

void	ocs_session_abort_cmdsn (ocs_session_t *session, uint32_t cmdsn)
	Abort a specific IO based on the cmdSN of the abort request. More...

void	ocs_session_all_abort_cmdsn (ocs_iscsi_t *iscsi, uint32_t cmdsn)
	Abort a specific IO based on the cmdSN of the abort request. More...

void	ocs_ddump_sessions (ocs_textbuf_t textbuf, ocs_iscsi_t iscsi)
	Generate node ddump data. More...

static uint32_t	ocs_session_is_window_open (ocs_cxn_t *cxn)

static uint64_t	ocs_session_isid_get (ocs_cxn_t *cxn)

static uint32_t	ocs_session_cmd_sn_get (ocs_cxn_t *cxn, uint32_t inc)

static uint32_t	ocs_session_exp_cmd_sn_get (ocs_cxn_t *cxn)

static uint32_t	ocs_session_max_cmd_sn_get (ocs_cxn_t *cxn)

static uint32_t	ocs_session_cmd_window_get (ocs_cxn_t *cxn)

static uint16_t	ocs_session_tsih_get (ocs_cxn_t *cxn)

static void	ocs_session_cmd_sn_set (ocs_cxn_t *cxn, uint32_t cmd_sn)

static void	ocs_session_exp_cmd_sn_set (ocs_cxn_t *cxn, uint32_t exp_cmd_sn)

static void	ocs_session_max_cmd_sn_set (ocs_cxn_t *cxn, uint32_t max_cmd_sn)

static void	ocs_session_cmd_window_set (ocs_cxn_t *cxn, uint32_t cmd_window)

static void	ocs_session_calc_cmd_window (ocs_cxn_t *cxn)

static void	ocs_session_tsih_set (ocs_cxn_t *cxn, uint16_t tsih)

Function Details

void ocs_ddump_sessions	(	ocs_textbuf_t *	textbuf,
		ocs_iscsi_t *	iscsi
	)

Generate node ddump data.

Description: Generates the node ddump data.

Parameters

textbuf	Pointer to text buffer.
iscsi	Pointer to the iscsi object.

Returns: None.

Definition at line 1095 of file ocs_session.c.

void ocs_session_abort_cmdsn	(	ocs_session_t *	session,
		uint32_t	cmdsn
	)

Abort a specific IO based on the cmdSN of the abort request.

Parameters

session	Pointer to the session object.
cmdsn	Any commands preceding this cmdSN are aborted.

Definition at line 965 of file ocs_session.c.

int32_t ocs_session_abort_itt	(	ocs_session_t *	session,
		uint32_t	itt
	)

Abort a specific IO based on the ITT.

Parameters

session	Pointer to the session object.
itt	Initiator task tag to abort.

Returns: Returns 0 if the IO was found.

Definition at line 932 of file ocs_session.c.

void ocs_session_all_abort_cmdsn	(	ocs_iscsi_t *	iscsi,
		uint32_t	cmdsn
	)

Abort a specific IO based on the cmdSN of the abort request.

Parameters

iscsi	Pointer to the iSCSI object.
cmdsn	Any commands preceding this cmdSN are aborted.

Definition at line 994 of file ocs_session.c.

static void ocs_session_calc_cmd_window ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 194 of file ocs_session.h.

static uint32_t ocs_session_cmd_sn_get	(	ocs_cxn_t *	cxn,
		uint32_t	inc
	)

inlinestatic

Definition at line 109 of file ocs_session.h.

static void ocs_session_cmd_sn_set	(	ocs_cxn_t *	cxn,
		uint32_t	cmd_sn
	)

inlinestatic

Definition at line 154 of file ocs_session.h.

static uint32_t ocs_session_cmd_window_get ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 138 of file ocs_session.h.

static void ocs_session_cmd_window_set	(	ocs_cxn_t *	cxn,
		uint32_t	cmd_window
	)

inlinestatic

Definition at line 184 of file ocs_session.h.

static uint32_t ocs_session_exp_cmd_sn_get ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 122 of file ocs_session.h.

static void ocs_session_exp_cmd_sn_set	(	ocs_cxn_t *	cxn,
		uint32_t	exp_cmd_sn
	)

inlinestatic

Definition at line 164 of file ocs_session.h.

static uint32_t ocs_session_is_window_open ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 86 of file ocs_session.h.

static uint64_t ocs_session_isid_get ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 101 of file ocs_session.h.

static uint32_t ocs_session_max_cmd_sn_get ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 130 of file ocs_session.h.

static void ocs_session_max_cmd_sn_set	(	ocs_cxn_t *	cxn,
		uint32_t	max_cmd_sn
	)

inlinestatic

Definition at line 174 of file ocs_session.h.

static uint16_t ocs_session_tsih_get ( ocs_cxn_t * cxn )

inlinestatic

Definition at line 146 of file ocs_session.h.

static void ocs_session_tsih_set	(	ocs_cxn_t *	cxn,
		uint16_t	tsih
	)

inlinestatic

Definition at line 208 of file ocs_session.h.

Detailed Description

Functions

Function Details