493 static inline int ppa_send_command(struct scsi_cmnd *cmd)  in ppa_send_command()  argument
495 	ppa_struct *dev = ppa_dev(cmd->device->host);  in ppa_send_command()
500 	for (k = 0; k < cmd->cmd_len; k++)  in ppa_send_command()
501 		if (!ppa_out(dev, &cmd->cmnd[k], 1))  in ppa_send_command()
514 static int ppa_completion(struct scsi_cmnd *cmd)  in ppa_completion()  argument
521 	ppa_struct *dev = ppa_dev(cmd->device->host);  in ppa_completion()
528 	v = cmd->cmnd[0];  in ppa_completion()
546 		if ((cmd->SCp.this_residual <= 0)) {  in ppa_completion()
575 		fast = (bulk && (cmd->SCp.this_residual >= PPA_BURST_SIZE))  in ppa_completion()
579 			status = ppa_out(dev, cmd->SCp.ptr, fast);  in ppa_completion()
581 			status = ppa_in(dev, cmd->SCp.ptr, fast);  in ppa_completion()
583 		cmd->SCp.ptr += fast;  in ppa_completion()
584 		cmd->SCp.this_residual -= fast;  in ppa_completion()
590 		if (cmd->SCp.buffer && !cmd->SCp.this_residual) {  in ppa_completion()
592 			if (cmd->SCp.buffers_residual--) {  in ppa_completion()
593 				cmd->SCp.buffer = sg_next(cmd->SCp.buffer);  in ppa_completion()
594 				cmd->SCp.this_residual =  in ppa_completion()
595 				    cmd->SCp.buffer->length;  in ppa_completion()
596 				cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in ppa_completion()
616 	struct scsi_cmnd *cmd = dev->cur_cmd;  in ppa_interrupt()  local
618 	if (!cmd) {  in ppa_interrupt()
622 	if (ppa_engine(dev, cmd)) {  in ppa_interrupt()
628 	switch ((cmd->result >> 16) & 0xff) {  in ppa_interrupt()
632 		printk(KERN_DEBUG "ppa: no device at SCSI ID %i\n", cmd->device->target);  in ppa_interrupt()
657 		       (cmd->result >> 16) & 0xff);  in ppa_interrupt()
661 	if (cmd->SCp.phase > 1)  in ppa_interrupt()
668 	cmd->scsi_done(cmd);  in ppa_interrupt()
671 static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)  in ppa_engine()  argument
683 	switch (cmd->SCp.phase) {  in ppa_engine()
718 			cmd->SCp.phase++;  in ppa_engine()
723 		if (!ppa_select(dev, scmd_id(cmd))) {  in ppa_engine()
727 		cmd->SCp.phase++;  in ppa_engine()
735 		if (!ppa_send_command(cmd))  in ppa_engine()
737 		cmd->SCp.phase++;  in ppa_engine()
741 		if (scsi_bufflen(cmd)) {  in ppa_engine()
742 			cmd->SCp.buffer = scsi_sglist(cmd);  in ppa_engine()
743 			cmd->SCp.this_residual = cmd->SCp.buffer->length;  in ppa_engine()
744 			cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);  in ppa_engine()
746 			cmd->SCp.buffer = NULL;  in ppa_engine()
747 			cmd->SCp.this_residual = 0;  in ppa_engine()
748 			cmd->SCp.ptr = NULL;  in ppa_engine()
750 		cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;  in ppa_engine()
751 		cmd->SCp.phase++;  in ppa_engine()
759 		retv = ppa_completion(cmd);  in ppa_engine()
764 		cmd->SCp.phase++;  in ppa_engine()
768 		cmd->result = DID_OK << 16;  in ppa_engine()
778 			cmd->result =  in ppa_engine()
789 static int ppa_queuecommand_lck(struct scsi_cmnd *cmd,  in ppa_queuecommand_lck()  argument
792 	ppa_struct *dev = ppa_dev(cmd->device->host);  in ppa_queuecommand_lck()
800 	dev->cur_cmd = cmd;  in ppa_queuecommand_lck()
801 	cmd->scsi_done = done;  in ppa_queuecommand_lck()
802 	cmd->result = DID_ERROR << 16;	/* default return code */  in ppa_queuecommand_lck()
803 	cmd->SCp.phase = 0;	/* bus free */  in ppa_queuecommand_lck()
836 static int ppa_abort(struct scsi_cmnd *cmd)  in ppa_abort()  argument
838 	ppa_struct *dev = ppa_dev(cmd->device->host);  in ppa_abort()
844 	switch (cmd->SCp.phase) {  in ppa_abort()
862 static int ppa_reset(struct scsi_cmnd *cmd)  in ppa_reset()  argument
864 	ppa_struct *dev = ppa_dev(cmd->device->host);  in ppa_reset()
866 	if (cmd->SCp.phase)  in ppa_reset()
883 	static u8 cmd[6] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };  in device_check()  local
907 			status = ppa_out(dev, cmd, 1);  in device_check()