target/iscsi/iscsi_target.c

836 	const bool do_put = cmd->se_cmd.se_tfo != NULL;
864 	 * Perform the kref_put now if se_cmd has already been setup by
869 		target_put_sess_cmd(&cmd->se_cmd);
905 	if (ent >= cmd->se_cmd.t_data_nents) {
910 	sg = &cmd->se_cmd.t_data_sg[ent];
940 	for_each_sg(cmd->se_cmd.t_data_sg, sg,
941 		    cmd->se_cmd.t_data_nents, i) {
991 	u32 iov_count = max(1UL, DIV_ROUND_UP(cmd->se_cmd.data_length, PAGE_SIZE));
1189 	 * Initialize struct se_cmd descriptor from target_core_mod infrastructure
1191 	__target_init_cmd(&cmd->se_cmd, &iscsi_ops,
1202 	target_get_sess_cmd(&cmd->se_cmd, true);
1204 	cmd->se_cmd.tag = (__force u32)cmd->init_task_tag;
1205 	cmd->sense_reason = target_cmd_init_cdb(&cmd->se_cmd, cdb,
1220 	cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd);
1224 	cmd->sense_reason = target_cmd_parse_cdb(&cmd->se_cmd);
1271 			target_put_sess_cmd(&cmd->se_cmd);
1287 		target_put_sess_cmd(&cmd->se_cmd);
1302 	cmd->sense_reason = transport_generic_new_cmd(&cmd->se_cmd);
1321 		u32 length = min(cmd->se_cmd.data_length - cmd->write_data_done,
1325 			 cmd->se_cmd.data_length, cmd->write_data_done,
1348 			target_put_sess_cmd(&cmd->se_cmd);
1486 	struct se_cmd *se_cmd;
1509 	se_cmd = &cmd->se_cmd;
1512 	if ((be32_to_cpu(hdr->offset) + payload_length) > cmd->se_cmd.data_length) {
1515 		       cmd->se_cmd.data_length);
1525 			transport_send_check_condition_and_sense(&cmd->se_cmd,
1536 		WARN_ON(se_cmd->t_state != TRANSPORT_WRITE_PENDING);
1537 		if (!(se_cmd->se_cmd_flags & SCF_SUPPORTED_SAM_OPCODE))
1562 		if (se_cmd->transport_state & CMD_T_ABORTED) {
1628 	payload_length = min_t(u32, cmd->se_cmd.data_length,
1717 		target_execute_cmd(&cmd->se_cmd);
2049 	__target_init_cmd(&cmd->se_cmd, &iscsi_ops,
2055 	target_get_sess_cmd(&cmd->se_cmd, true);
2070 	ret = core_tmr_alloc_req(&cmd->se_cmd, cmd->tmr_req, tcm_function,
2076 	cmd->tmr_req->se_tmr_req = cmd->se_cmd.se_tmr_req;
2085 	se_tmr			= cmd->se_cmd.se_tmr_req;
2091 		ret = transport_lookup_tmr_lun(&cmd->se_cmd);
2154 			target_put_sess_cmd(&cmd->se_cmd);
2168 		return transport_generic_handle_tmr(&cmd->se_cmd);
2179 	target_put_sess_cmd(&cmd->se_cmd);
2638 	BUG_ON(cmd->write_data_done > cmd->se_cmd.data_length);
2639 	rx_size = min(cmd->se_cmd.data_length - cmd->write_data_done, length);
2723 	if (cmd->write_data_done == cmd->se_cmd.data_length) {
2824 		if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
2826 			hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
2827 		} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
2829 			hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
2834 		int_to_scsilun(cmd->se_cmd.orig_fe_lun,
2880 	if ((datain.offset + datain.length) > cmd->se_cmd.data_length) {
2884 			cmd->se_cmd.data_length);
2894 	    (cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE))
2914 		eodr = (cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ?
3120 	int_to_scsilun(cmd->se_cmd.orig_fe_lun,
3188 				if (new_data_end > cmd->se_cmd.data_length)
3189 					xfer_len = cmd->se_cmd.data_length - offset;
3198 				if (new_data_end > cmd->se_cmd.data_length)
3199 					xfer_len = cmd->se_cmd.data_length - offset;
3211 			if (cmd->r2t_offset == cmd->se_cmd.data_length)
3256 	if (cmd->se_cmd.se_cmd_flags & SCF_OVERFLOW_BIT) {
3258 		hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
3259 	} else if (cmd->se_cmd.se_cmd_flags & SCF_UNDERFLOW_BIT) {
3261 		hdr->residual_count = cpu_to_be32(cmd->se_cmd.residual_count);
3264 	hdr->cmd_status		= cmd->se_cmd.scsi_status;
3274 		cmd->init_task_tag, cmd->stat_sn, cmd->se_cmd.scsi_status,
3275 		cmd->se_cmd.scsi_status, conn->cid);
3291 	if (cmd->se_cmd.sense_buffer &&
3292 	   ((cmd->se_cmd.se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) ||
3293 	    (cmd->se_cmd.se_cmd_flags & SCF_EMULATED_TASK_SENSE))) {
3294 		put_unaligned_be16(cmd->se_cmd.scsi_sense_length, cmd->sense_buffer);
3295 		cmd->se_cmd.scsi_sense_length += sizeof (__be16);
3297 		padding		= -(cmd->se_cmd.scsi_sense_length) & 3;
3298 		hton24(hdr->dlength, (u32)cmd->se_cmd.scsi_sense_length);
3300 		data_buf_len = cmd->se_cmd.scsi_sense_length + padding;
3304 				cmd->se_cmd.scsi_sense_length, 0, padding);
3311 				cmd->se_cmd.scsi_sense_length);
3339 	struct se_tmr_req *se_tmr = cmd->se_cmd.se_tmr_req;
4214 		struct se_cmd *se_cmd = &cmd->se_cmd;
4216 		if (!se_cmd->se_tfo)
4219 		spin_lock_irq(&se_cmd->t_state_lock);
4220 		if (se_cmd->transport_state & CMD_T_ABORTED) {
4221 			if (!(se_cmd->transport_state & CMD_T_TAS))
4230 			se_cmd->transport_state |= CMD_T_FABRIC_STOP;
4233 		if (cmd->se_cmd.t_state == TRANSPORT_WRITE_PENDING) {
4238 			spin_unlock_irq(&se_cmd->t_state_lock);
4239 			target_complete_cmd(&cmd->se_cmd, SAM_STAT_TASK_ABORTED);
4242 		spin_unlock_irq(&se_cmd->t_state_lock);