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

void	ocs_session_teardown (ocs_iscsi_t *iscsi)
	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...

static void	ocs_session_check_queued_commands (ocs_session_t *session)
	Checks the queued command to see if any can start. More...

static int32_t	ocs_session_queue_command (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, uint32_t cmd_sn)
	Adds a command to the command queue. 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...

Function Details

static void ocs_session_check_queued_commands ( ocs_session_t * session )

static

Checks the queued command to see if any can start.

Parameters

session Pointer to the session object.

Definition at line 501 of file ocs_session.c.

void ocs_session_close	(	ocs_session_t *	session,
		uint8_t	reset
	)

Closes all connections on a session.

Parameters

session	Pointer to the session object.
reset	A non-zero value causes a connection reset to be issued.

Definition at line 405 of file ocs_session.c.

int32_t ocs_session_cxn_del ( ocs_cxn_t * cxn )

Removes a connection from its session.

Parameters

cxn	Pointer to the connection object.

Definition at line 343 of file ocs_session.c.

ocs_cxn_t* ocs_session_cxn_find	(	ocs_session_t *	session,
		uint16_t	cid
	)

Locate a connection within a session based on the cid.

Parameters

session	Pointer to the session object.
cid	The iSCSI connection ID to find.

Returns: Pointer to the connection, or NULL if not found.

Definition at line 379 of file ocs_session.c.

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.

Parameters

cxn	Pointer to the connection object.
tgt_name	Pointer to the target name.
ini_name	Pointer to the initiator name.
isid	The iSCSI initiator session ID from the login PDU.
tsih	The iSCSI target session handle from the login PDU.
cid	The iSCSI connection ID from the login PDU.
cmd_sn	The iSCSI command SN from the login PDU.

Returns

0 - success.
1 - session does not exist.
2 - exceeds Max Cxn.
3 - no resources.

Definition at line 187 of file ocs_session.c.

int32_t ocs_session_initialize ( ocs_iscsi_t * iscsi )

Initialize the session management by allocating objects for sessions.

Parameters

iscsi Pointer to the iSCSI structure that represents this device.

Returns: Returns 0 on success.

Definition at line 67 of file ocs_session.c.

void ocs_session_max_cmd_sn_upd ( ocs_session_t * session )

Updates the max_cmd_sn based on the number IOs available.

Parameters

session Pointer to the session object.

Definition at line 449 of file ocs_session.c.

static int32_t ocs_session_queue_command	(	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,
		uint32_t	cmd_sn
	)

static

Adds a command to the command queue.

Parameters

cxn	Pointer to the connection object.
hdr	DMA memory information for the header.
hdr_len	Length of the header received.
data	DMA memory information for the data.
data_len	Length of the data received.
code	Type of callback received from the chip (i.e. SLI_STATUS_UNSOL_DATA_DIGEST_ERROR).
cmd_sn	The iSCSI command sequence number.

Returns: Returns 0 on success.

Definition at line 643 of file ocs_session.c.

void ocs_session_teardown ( ocs_iscsi_t * iscsi )

Releases the session objects used within the login module.

Parameters

iscsi Pointer to the iSCSI object.

Definition at line 123 of file ocs_session.c.

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.

Parameters

cxn	Pointer to the connection object.
hdr	DMA memory information for the header.
hdr_len	Length of the header received.
data	DMA memory information for the data.
data_len	Length of the data received.
code	Type of callback received from the chip (i.e. SLI_STATUS_UNSOL_DATA_DIGEST_ERROR)

Returns: Returns 0 on success.

Definition at line 699 of file ocs_session.c.

Functions

Function Details