#include "ocs.h"
#include "ocs_hal.h"
#include "sli4.h"
#include "sli4_iscsi.h"
#include "ocs_iscsi_spec.h"

Detailed Description

Implementation of iSCSI BE3 SLI-4 functions

Functions
static int32_t	sli_be3_iscsi_cqe_i_sol (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse an iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_t_sol (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse a iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_t_sol_data_digest (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse a iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_t_cnxinv (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse a iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_t_cmdinv (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse a iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_i_t_dpdu (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse an iSCSI work queue CQ entry. More...

static int32_t	sli_be3_iscsi_cqe_i_t_dmsg (sli4_t sli4, uint8_t cqe, sli4_qentry_fields_t *fields)
	Parse a iSCSI work queue CQ entry. More...

static int32_t	sli_be3_wqe_ini_write (sli4_t sli4, void buf, size_t size, uint16_t lun, uint32_t exp_xfer_len, uint32_t cmdsn, uint16_t icd_index, ocs_hal_dif_info_t dif_info, sli4_sge_t sgl, uint32_t n_sge)
	Write an INITIATOR_WRITE_COMMAND WQE work queue entry. More...

static int32_t	sli_be3_wqe_ini_tmf (sli4_t sli4, void buf, size_t size, uint16_t lun, uint32_t cmdsn, uint16_t icd_index, sli4_sge_t *sgl, uint32_t n_sge)
	Write an INITIATOR_TMF WQE work queue entry. More...

static int32_t	sli_be3_wqe_ini_nop (sli4_t sli4, void buf, size_t size, uint8_t dm, uint32_t cmdsn, ocs_dma_t bhs, ocs_dma_t payload1, ocs_dma_t *payload2, uint32_t exp_xfer_len, uint16_t icd_index)
	Write an INITIATOR_NOP_OUT_COMMAND WQE work queue entry. More...

static int32_t	sli_be3_wqe_ini_read (sli4_t sli4, void buf, size_t size, uint16_t lun, uint32_t exp_xfer_len, uint32_t cmdsn, uint16_t icd_index, ocs_hal_dif_info_t dif_info, sli4_sge_t sgl, uint32_t n_sge)
	Write an INITIATOR_READ WQE work queue entry. More...

static int32_t	sli_be3_wqe_update_context (sli4_t sli4, void buf, size_t size, ocs_hal_target_login_options_t *lgn_options, uint32_t statsn)
	Write a CONTEXT_UPDATE_WQE work queue entry. More...

static int32_t	sli_be3_wqe_tgt_sts (sli4_t sli4, void buf, size_t size, ocs_dma_t bhs, uint16_t lun, uint32_t exp_xfer_len, uint32_t exp_data_sn, uint32_t itt, uint16_t icd_index, uint16_t ref_icd_index, ocs_hal_dif_info_t dif_info, uint32_t r2t_offset, sli4_sge_t *sgl, uint32_t n_sge)
	Write an TGT_STS_WQE work queue entry. More...

static int32_t	sli_be3_wqe_tgt_datain (sli4_t sli4, void buf, size_t size, ocs_dma_t bhs, uint16_t lun, uint8_t dm, uint8_t underrun, uint8_t overrun, uint32_t exp_xfer_len, uint16_t icd_index, uint16_t ref_icd_index, uint32_t data_sn, uint8_t piggy_back_status, ocs_hal_dif_info_t dif_info, sli4_sge_t *sgl, uint32_t n_sge)
	Write a TGT_DATAIN_WQE work queue entry. More...

static int32_t	sli_be3_wqe_tgt_sos (sli4_t sli4, void buf, size_t size, ocs_dma_t bhs, ocs_dma_t payload1, ocs_dma_t *payload2, uint16_t lun, uint8_t dm, uint32_t exp_xfer_len, uint16_t icd_index)
	Write a TGT_SOS_WQE work queue entry. More...

static int32_t	sli_be3_wqe_unassisted (sli4_t sli4, void buf, size_t size, uint8_t set_dm, uint8_t incr_statsn, uint8_t is_login, ocs_dma_t bhs, ocs_dma_t payload1, ocs_dma_t *payload2, uint32_t exp_xfer_len, uint16_t icd_index)
	Write an DM_CMD_WQE work queue entry. More...

static int32_t	sli_be3_queue_iscsi_wq_write (sli4_t sli4, sli4_queue_t q, uint8_t entry, void io)
	Write an WQE entry to the queue object. More...

static int32_t	sli_be3_queue_iscsi_wqe_invalidate (sli4_t sli4, sli4_queue_t q, void *io, uint8_t is_for_tm)
	Writes a 1 to the invalidate bit of the WQE. More...

int32_t	sli_be3_get_sli4_parameters (sli4_t *sli4)
	Note: GET_SLI4_PARAMETERS IOCTL is not supported on BE3, so we just return constant values. More...

Variables
const char *	SLI_QNAME []

cqe_handler_t *	ini_be3_cqe_handlers [ISCSI_CQE_CODE_MAX+1]

cqe_handler_t *	tgt_be3_cqe_handlers [ISCSI_CQE_CODE_MAX+1]

sli_wqe_handlers_t	sli_be3_iscsi_wqe_handlers

Function Details

int32_t sli_be3_get_sli4_parameters ( sli4_t * sli4 )

Note: GET_SLI4_PARAMETERS IOCTL is not supported on BE3, so we just return constant values.

Parameters

sli4	SLI context.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 1098 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_i_sol	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse an iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 875 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_i_t_dmsg	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse a iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 1074 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_i_t_dpdu	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse an iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 1046 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_t_cmdinv	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse a iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 1017 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_t_cnxinv	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse a iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 979 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_t_sol	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse a iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 916 of file sli4_be3_iscsi.c.

static int32_t sli_be3_iscsi_cqe_t_sol_data_digest	(	sli4_t *	sli4,
		uint8_t *	cqe,
		sli4_qentry_fields_t *	fields
	)

static

Parse a iSCSI work queue CQ entry.

Parameters

sli4	SLI context.
cqe	Pointer to the CQ entry.
fields	Returns the fields embedded in the CQ entry.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 946 of file sli4_be3_iscsi.c.

static int32_t sli_be3_wqe_update_context	(	sli4_t *	sli4,
		void *	buf,
		size_t	size,
		ocs_hal_target_login_options_t *	lgn_options,
		uint32_t	statsn
	)

static

Write a CONTEXT_UPDATE_WQE work queue entry.

Parameters

sli4	SLI context.
buf	Destination buffer for the WQE.
size	Buffer size in bytes.
lgn_options	Target login options for the connection.
statsn	Status SN for the connection.

Returns: Returns 0 on success, or a non-zero value otherwise.

Definition at line 400 of file sli4_be3_iscsi.c.

Variable Details

cqe_handler_t* ini_be3_cqe_handlers[ISCSI_CQE_CODE_MAX+1]

Definition at line 72 of file sli4_be3_iscsi.c.

sli_wqe_handlers_t sli_be3_iscsi_wqe_handlers

Initial value:

= {
        .wqe_update_context         = sli_be3_wqe_update_context,
        .wqe_ini_read               = sli_be3_wqe_ini_read,
        .wqe_ini_write              = sli_be3_wqe_ini_write,
        .wqe_ini_nop                = sli_be3_wqe_ini_nop,
        .wqe_ini_tmf                = sli_be3_wqe_ini_tmf,
        .wqe_tgt_datain             = sli_be3_wqe_tgt_datain,
        .wqe_tgt_sts                = sli_be3_wqe_tgt_sts,
        .wqe_tgt_sos                = sli_be3_wqe_tgt_sos,
        .wqe_unassisted             = sli_be3_wqe_unassisted,
        .queue_iscsi_wq_write       = sli_be3_queue_iscsi_wq_write,
        .queue_iscsi_wqe_invalidate = sli_be3_queue_iscsi_wqe_invalidate
}

Definition at line 1110 of file sli4_be3_iscsi.c.

const char* SLI_QNAME[]

Definition at line 75 of file sli4.c.

cqe_handler_t* tgt_be3_cqe_handlers[ISCSI_CQE_CODE_MAX+1]

Definition at line 113 of file sli4_be3_iscsi.c.

Detailed Description

Functions

Variables

Function Details

Variable Details