80 	uint32_t addrlen_count, ocs_dif_t *dif, int is_crc);
81 …i_dif_check_app_tag(ocs_t *ocs, ocs_hw_dif_info_t *dif_info, uint16_t exp_app_tag, ocs_dif_t *dif);
82 …i_dif_check_ref_tag(ocs_t *ocs, ocs_hw_dif_info_t *dif_info, uint32_t exp_ref_tag, ocs_dif_t *dif);
388 …(dif_info->dif == SLI4_DIF_PASS_THROUGH) && (dif_info->dif_oper != OCS_HW_SGE_DIF_OP_IN_RAW_OUT_RA…  in ocs_target_io_cb()
437  * @brief Determine if an IO is using CRC for DIF guard format.
440  * @param dif_info Pointer to HW DIF info data.
479  * @brief Check a block and DIF data, computing the appropriate SCSI status
482  * This function is used to check blocks and DIF when given an unknown DIF
486  * the block with the DIF error, find the bad block. If a block is found with an
512 	ocs_dif_t *dif;				/* pointer to DIF block returned from target */  in ocs_scsi_dif_check_unknown()  local
524 …ocs_scsi_get_block_vaddr(io, (scsi_dif_info.lba + i), addrlen, ARRAY_SIZE(addrlen), (void**) &dif);  in ocs_scsi_dif_check_unknown()
531 		if (! ocs_scsi_dif_check_guard(dif_info, addrlen, addrlen_count, dif, is_crc)) {  in ocs_scsi_dif_check_unknown()
536 		if (! ocs_scsi_dif_check_app_tag(ocs, dif_info, scsi_dif_info.app_tag, dif)) {  in ocs_scsi_dif_check_unknown()
541 		if (! ocs_scsi_dif_check_ref_tag(ocs, dif_info, (scsi_dif_info.ref_tag + i), dif)) {  in ocs_scsi_dif_check_unknown()
556  * @param dif_info Pointer to HW DIF info data.
559  * @param dif Pointer to the DIF data block being checked.
566 	ocs_dif_t *dif, int is_crc)  in ocs_scsi_dif_check_guard()  argument
572 	if ((dif == NULL)  || !dif_info->check_guard) {  in ocs_scsi_dif_check_guard()
580 		return (crc == ocs_be16toh(dif->crc));  in ocs_scsi_dif_check_guard()
584 		return (checksum == dif->crc);  in ocs_scsi_dif_check_guard()
589  * @brief Check the app tag of dif data
595  * @param dif_info Pointer to HW DIF info data.
597  * @param dif Pointer to the DIF data block being checked.
602 …si_dif_check_app_tag(ocs_t *ocs, ocs_hw_dif_info_t *dif_info, uint16_t exp_app_tag, ocs_dif_t *dif)  in ocs_scsi_dif_check_app_tag()  argument
604 	if ((dif == NULL)  || !dif_info->check_app_tag) {  in ocs_scsi_dif_check_app_tag()
609 		exp_app_tag, ocs_be16toh(dif->app_tag));  in ocs_scsi_dif_check_app_tag()
611 	return (exp_app_tag == ocs_be16toh(dif->app_tag));  in ocs_scsi_dif_check_app_tag()
615  * @brief Check the ref tag of dif data
621  * @param dif_info Pointer to HW DIF info data.
623  * @param dif Pointer to the DIF data block being checked.
628 …si_dif_check_ref_tag(ocs_t *ocs, ocs_hw_dif_info_t *dif_info, uint32_t exp_ref_tag, ocs_dif_t *dif)  in ocs_scsi_dif_check_ref_tag()  argument
630 	if ((dif == NULL)  || !dif_info->check_ref_tag) {  in ocs_scsi_dif_check_ref_tag()
634 	if (exp_ref_tag != ocs_be32toh(dif->ref_tag)) {  in ocs_scsi_dif_check_ref_tag()
636 			exp_ref_tag, ocs_be32toh(dif->ref_tag));  in ocs_scsi_dif_check_ref_tag()
649  * @param hw_dif Pointer to HW dif information.
661 	/* Convert DIF Information */  in ocs_scsi_count_sgls()
663 		/* If we're not DIF separate, then emit a seed SGE */  in ocs_scsi_count_sgls()
669 			/* If DIF is enabled, and DIF is separate, then append a SEED then DIF SGE */  in ocs_scsi_count_sgls()
700 	/* Convert DIF Information */  in ocs_scsi_build_sgls()
702 		/* If we're not DIF separate, then emit a seed SGE */  in ocs_scsi_build_sgls()
710 		/* if we are doing DIF separate, then figure out the block size so that we  in ocs_scsi_build_sgls()
711 		 * can update the ref tag in the DIF seed SGE.   Also verify that the  in ocs_scsi_build_sgls()
739 			/* If DIF is enabled, and DIF is separate, then append a SEED then DIF SGE */  in ocs_scsi_build_sgls()
749 				/* Update the ref_tag for the next DIF seed SGE */  in ocs_scsi_build_sgls()
785  * @brief Convert SCSI API T10 DIF information into the FC HW format.
788  * @param scsi_dif_info Pointer to the SCSI API T10 DIF fields.
789  * @param hw_dif_info Pointer to the FC HW API T10 DIF fields.
806 	/* Convert the DIF operation */  in ocs_scsi_convert_dif_info()
810 		hw_dif_info->dif = SLI4_DIF_INSERT;  in ocs_scsi_convert_dif_info()
814 		hw_dif_info->dif = SLI4_DIF_STRIP;  in ocs_scsi_convert_dif_info()
818 		hw_dif_info->dif = SLI4_DIF_INSERT;  in ocs_scsi_convert_dif_info()
822 		hw_dif_info->dif = SLI4_DIF_STRIP;  in ocs_scsi_convert_dif_info()
826 		hw_dif_info->dif = SLI4_DIF_PASS_THROUGH;  in ocs_scsi_convert_dif_info()
830 		hw_dif_info->dif = SLI4_DIF_PASS_THROUGH;  in ocs_scsi_convert_dif_info()
834 		hw_dif_info->dif = SLI4_DIF_PASS_THROUGH;  in ocs_scsi_convert_dif_info()
838 		hw_dif_info->dif = SLI4_DIF_PASS_THROUGH;  in ocs_scsi_convert_dif_info()
842 		hw_dif_info->dif = SLI4_DIF_PASS_THROUGH;  in ocs_scsi_convert_dif_info()
845 		ocs_log_test(ocs, "unhandled SCSI DIF operation %d\n",  in ocs_scsi_convert_dif_info()
870 		ocs_log_test(ocs, "unhandled SCSI DIF block size %d\n",  in ocs_scsi_convert_dif_info()
877 	if (hw_dif_info->dif == SLI4_DIF_INSERT ) {  in ocs_scsi_convert_dif_info()
1442  * @param dif_info Pointer to T10 DIF fields, or NULL if no DIF.
1507 	/* If DIF is used, then save lba for error recovery */  in ocs_scsi_xfer_data()
1518 	io->iparam.fcp_tgt.dif_oper = io->hw_dif.dif;  in ocs_scsi_xfer_data()
2254  * @param dif_info Pointer to the T10 DIF fields, or NULL if no DIF.
2294  * @param dif_info Pointer to the T10 DIF fields, or NULL if no DIF.
2333  * @param dif_info Pointer to the T10 DIF fields, or NULL if no DIF.
2468  * @param dif_info Pointer to the T10 DIF fields, or NULL if no DIF.
2639 	io->iparam.fcp_ini.dif_oper = io->hw_dif.dif;  in ocs_scsi_send_io()