748 static inline int imm_send_command(Scsi_Cmnd * cmd)  in imm_send_command()  argument
750     int host_no = cmd->host->unique_id;  in imm_send_command()
754     for (k = 0; k < cmd->cmd_len; k += 2)  in imm_send_command()
755 	if (!imm_out(host_no, &cmd->cmnd[k], 2))  in imm_send_command()
768 static int imm_completion(Scsi_Cmnd * cmd)  in imm_completion()  argument
775     int host_no = cmd->host->unique_id;  in imm_completion()
782     v = cmd->cmnd[0];  in imm_completion()
812 	if (((r & 0x88) != 0x88) || (cmd->SCp.this_residual <= 0)) {  in imm_completion()
818 	    fast = (bulk && (cmd->SCp.this_residual >= IMM_BURST_SIZE)) ? IMM_BURST_SIZE : 2;  in imm_completion()
819 	    status = imm_out(host_no, cmd->SCp.ptr, fast);  in imm_completion()
821 	    fast = (bulk && (cmd->SCp.this_residual >= IMM_BURST_SIZE)) ? IMM_BURST_SIZE : 1;  in imm_completion()
822 	    status = imm_in(host_no, cmd->SCp.ptr, fast);  in imm_completion()
825 	cmd->SCp.ptr += fast;  in imm_completion()
826 	cmd->SCp.this_residual -= fast;  in imm_completion()
832 	if (cmd->SCp.buffer && !cmd->SCp.this_residual) {  in imm_completion()
834 	    if (cmd->SCp.buffers_residual--) {  in imm_completion()
835 		cmd->SCp.buffer++;  in imm_completion()
836 		cmd->SCp.this_residual = cmd->SCp.buffer->length;  in imm_completion()
837 		cmd->SCp.ptr = cmd->SCp.buffer->address;  in imm_completion()
843 		if (cmd->SCp.this_residual & 0x01)  in imm_completion()
844 		    cmd->SCp.this_residual++;  in imm_completion()
859 int imm_command(Scsi_Cmnd * cmd)  in imm_command()  argument
862     int host_no = cmd->host->unique_id;  in imm_command()
874     imm_hosts[host_no].cur_cmd = cmd;  in imm_command()
875     cmd->result = DID_ERROR << 16;	/* default return code */  in imm_command()
876     cmd->SCp.phase = 0;  in imm_command()
880     while (imm_engine(&imm_hosts[host_no], cmd))  in imm_command()
883     if (cmd->SCp.phase)		/* Only disconnect if we have connected */  in imm_command()
884 	imm_disconnect(cmd->host->unique_id);  in imm_command()
888     return cmd->result;  in imm_command()
899     Scsi_Cmnd *cmd = tmp->cur_cmd;  in imm_interrupt()  local
902     if (!cmd) {  in imm_interrupt()
906     if (imm_engine(tmp, cmd)) {  in imm_interrupt()
914     switch ((cmd->result >> 16) & 0xff) {  in imm_interrupt()
918 	printk("imm: no device at SCSI ID %i\n", cmd->target);  in imm_interrupt()
942 	printk("imm: bad return code (%02x)\n", (cmd->result >> 16) & 0xff);  in imm_interrupt()
946     if (cmd->SCp.phase > 1)  in imm_interrupt()
947 	imm_disconnect(cmd->host->unique_id);  in imm_interrupt()
948     if (cmd->SCp.phase > 0)  in imm_interrupt()
949 	imm_pb_release(cmd->host->unique_id);  in imm_interrupt()
953     cmd->scsi_done(cmd);  in imm_interrupt()
958 static int imm_engine(imm_struct * tmp, Scsi_Cmnd * cmd)  in imm_engine()  argument
960     int host_no = cmd->host->unique_id;  in imm_engine()
971     switch (cmd->SCp.phase) {  in imm_engine()
985 	cmd->SCp.phase++;  in imm_engine()
989 	if (!imm_select(host_no, cmd->target)) {  in imm_engine()
993 	cmd->SCp.phase++;  in imm_engine()
1001 	if (!imm_send_command(cmd))  in imm_engine()
1003 	cmd->SCp.phase++;  in imm_engine()
1007 	if (cmd->use_sg) {  in imm_engine()
1009 	    cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;  in imm_engine()
1010 	    cmd->SCp.this_residual = cmd->SCp.buffer->length;  in imm_engine()
1011 	    cmd->SCp.ptr = cmd->SCp.buffer->address;  in imm_engine()
1014 	    cmd->SCp.buffer = NULL;  in imm_engine()
1015 	    cmd->SCp.this_residual = cmd->request_bufflen;  in imm_engine()
1016 	    cmd->SCp.ptr = cmd->request_buffer;  in imm_engine()
1018 	cmd->SCp.buffers_residual = cmd->use_sg;  in imm_engine()
1019 	cmd->SCp.phase++;  in imm_engine()
1020 	if (cmd->SCp.this_residual & 0x01)  in imm_engine()
1021 	    cmd->SCp.this_residual++;  in imm_engine()
1037 	cmd->SCp.phase++;  in imm_engine()
1047 	    retv = imm_completion(cmd);  in imm_engine()
1053 	cmd->SCp.phase++;  in imm_engine()
1065 	cmd->SCp.phase++;  in imm_engine()
1080 	    cmd->result = (DID_OK << 16) + (l & STATUS_MASK);  in imm_engine()
1097 int imm_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))  in imm_queuecommand()  argument
1099     int host_no = cmd->host->unique_id;  in imm_queuecommand()
1107     imm_hosts[host_no].cur_cmd = cmd;  in imm_queuecommand()
1108     cmd->scsi_done = done;  in imm_queuecommand()
1109     cmd->result = DID_ERROR << 16;	/* default return code */  in imm_queuecommand()
1110     cmd->SCp.phase = 0;		/* bus free */  in imm_queuecommand()
1141 int imm_abort(Scsi_Cmnd * cmd)  in imm_abort()  argument
1143     int host_no = cmd->host->unique_id;  in imm_abort()
1149     switch (cmd->SCp.phase) {  in imm_abort()
1173 int imm_reset(Scsi_Cmnd * cmd)  in imm_reset()  argument
1175     int host_no = cmd->host->unique_id;  in imm_reset()
1177     if (cmd->SCp.phase)  in imm_reset()
1194     static char cmd[6] =  in device_check()  local
1219 	    status = imm_out(host_no, &cmd[l << 1], 2);  in device_check()