JPS59123915A - Channel controlling system - Google Patents

Channel controlling system

Info

Publication number
JPS59123915A
JPS59123915A JP23194182A JP23194182A JPS59123915A JP S59123915 A JPS59123915 A JP S59123915A JP 23194182 A JP23194182 A JP 23194182A JP 23194182 A JP23194182 A JP 23194182A JP S59123915 A JPS59123915 A JP S59123915A
Authority
JP
Japan
Prior art keywords
channel
input
output device
operation mode
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP23194182A
Other languages
Japanese (ja)
Inventor
Junichi Kusanagi
草薙 準市
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP23194182A priority Critical patent/JPS59123915A/en
Publication of JPS59123915A publication Critical patent/JPS59123915A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/10Program control for peripheral devices
    • G06F13/12Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
    • G06F13/122Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To reduce set manhour and prevent erroneous operation by directly controlling setting of an input/output (I/O) device by a channel device according to operation mode stored in a subchannel. CONSTITUTION:A channel controlling device 4 controls, for instance, a channel device 5-1 and controls transmitting and receiving of data between a main memory 1 and an I/O devices 7-1, 8-1 taking the place of a CPU2. A subchannel 51-1 is provided in the device 5-1, and a table is provided in the channel 51-1. On the other hand, the CPU2 stores operation mode of recognized I/O devices 7-1 and 8-1 in the table. Accordingly, the device 5-1 can set the devices 7-1 and 8-1 directly.

Description

【発明の詳細な説明】 (a)  発明の技術分野 本発明は中央処理装置とチャネル装置と入出力装置とか
らなる処理システムにおけるチャネル制御方式に関する
ものである。
DETAILED DESCRIPTION OF THE INVENTION (a) Technical Field of the Invention The present invention relates to a channel control method in a processing system comprising a central processing unit, a channel device, and an input/output device.

(′b)従来技術と問題点 中央処理装置とチャネル装置と入出力装置とから構成さ
れた処理システムにおいて中央処理装置が入出力装置を
制御するのをチャネル装置に制御を任かせ中央処理装置
の処理能力を増加するといったことが行われている。一
方接続される入出力装置は種々の性能をもっておシ、入
出力装置毎にデータを転送する速度とか転送する方法等
即ち動作モードが異なっている。従って中央処理装置は
チャネル装置を介して接続される入出力装置のタイプを
認識し所要の動作モードで入出力装置が動作するように
チャネル装置の動作範囲を設定する必要があり、従来こ
れはオペレータの判断に任かせられていた。この人手を
介することは誤りを発生する危険があるといった欠点が
あるとともに、入出力装置を変更配置する際に効率のよ
い動作範囲をもつチャネIし装置を決定し設定を行うの
は煩わしいといった問題もあった。
('b) Prior art and problems In a processing system composed of a central processing unit, a channel device, and an input/output device, the central processing unit controls the input/output device by leaving the control to the channel device. Efforts are being made to increase processing capacity. On the other hand, the connected input/output devices have various performances, and each input/output device has a different data transfer speed, data transfer method, etc., ie, operation mode. Therefore, the central processing unit needs to recognize the type of input/output device connected via the channel device and set the operating range of the channel device so that the input/output device operates in the desired operating mode. was left to the discretion of This manual intervention has the disadvantage that there is a risk of error, and it is also troublesome to determine and set a channel I device with an efficient operating range when changing and arranging input/output devices. There was also.

(0)  発明の目的 本発明は上記従来の欠点に鑑み、入出力装置に適合した
チャネル装置の動作範囲が自動的に設定1−f!7,4
−ヤ未ル翻制御嘴オル姐班千1ンL九口酷しするもので
ある。
(0) Purpose of the Invention In view of the above-mentioned drawbacks of the conventional art, the present invention automatically sets the operating range of a channel device suitable for an input/output device (1-f!). 7,4
-Ya-ru translation control beak ol sister group 111 n L nine mouths is something that is cruel.

←)発明の構成 簡単に述べると本発明は、中央処理装置が命令(例えば
センス)によりチャネル装置を介して入出力装置のデバ
イスID等を認識する入出力装置の1H1l’モード或
はサービスプロセッサにより入力される動作モードをサ
ブチャネルに格納せしめ、チャネル装置がサブチャネル
の格納した動作モードにて入出力装置を制御するように
したことを特徴とするものであり、動作範囲の自動設定
が可能となる。
←) Structure of the Invention Briefly stated, the present invention is based on the 1H1l' mode of the input/output device or the service processor in which the central processing unit recognizes the device ID of the input/output device via the channel device based on a command (for example, sense). The input operation mode is stored in the subchannel, and the channel device controls the input/output device using the operation mode stored in the subchannel, and the operation range can be automatically set. Become.

(e)  発明の実施例 以下本発明の実施例を図によって詳細に説明する。(e) Examples of the invention Embodiments of the present invention will be described in detail below with reference to the drawings.

図は本発明のチャネル制御方式を示す一実施例のブロッ
ク図である。
The figure is a block diagram of an embodiment showing the channel control method of the present invention.

図において1は主記憶装置、2は中央処理装置、8はデ
ータ処理装置、4はチャネル制御装置、5−1と5−2
はサプチャネ/VF)l−1と51−2とオア回路52
−1と52−2有するチャネル装置、6はサービス・プ
ロセッサ、7−1と7−2と8−1と8−2は入出力装
置をそれぞれ示す。データ処理装置8は中央処理装置2
と主記憶装置lによって処理を行い1その実行を入出力
装置?−1,8−■と7−2.8−2にて行っている。
In the figure, 1 is a main memory, 2 is a central processing unit, 8 is a data processing unit, 4 is a channel control unit, 5-1 and 5-2
is supply channel/VF) l-1 and 51-2 and OR circuit 52
-1 and 52-2, 6 is a service processor, 7-1, 7-2, 8-1, and 8-2 are input/output devices, respectively. The data processing device 8 is the central processing unit 2
and the main memory 1 performs processing and its execution is performed by the input/output device? -1,8-■ and 7-2.8-2.

以後チャネル装置5−1と5−2は同一動作を行ってい
るのでチャネル装置5−1について説明する。チャネル
制御装置4はチャネル装置5−1の制御を行い中央処理
袋M2に代行して主記憶装置lと入出力装置、7−i、
s−iと間のデータ授′受を制御する。
Since channel devices 5-1 and 5-2 perform the same operation, channel device 5-1 will be explained below. The channel control device 4 controls the channel device 5-1 and operates the main storage device l, input/output device, 7-i, on behalf of the central processing bag M2.
Controls data exchange between s-i and s-i.

チャネル装置5−1にサブチャネルfil−1が設けて
あり、このサプチャネ/l/F)l−1に図に示すよう
にテーブルを設ける。このテーブルにはチャネル装置に
接続された入出力装置?−1と8−1の動作モードと入
出力装置機番を格納する。オア回路52−1はサービス
・プロセッサ6又は中央処理装置2より送信される入出
力装置機番と動作モードを上記テーブルに格納するゲー
ト回路である。勿論サービス・プロセッサ6のフロッピ
ィと打鍵鍵盤入力何れであってもよいことは云うまでも
ない。
A subchannel fil-1 is provided in the channel device 5-1, and a table is provided in this subchannel fil-1 as shown in the figure. Is this table an input/output device connected to a channel device? -1 and 8-1 operation modes and input/output device machine numbers are stored. The OR circuit 52-1 is a gate circuit that stores the input/output device number and operation mode transmitted from the service processor 6 or the central processing unit 2 in the table. Of course, it goes without saying that either the floppy disk of the service processor 6 or the keyboard input may be used.

中央処理装置2は認識している入出力装置?−1と8−
1の動作モードをテーブルに格納する。従ってチャネル
装置fi−1は直接入出力装置?−1と8−1の設定が
可能となる。若し入出力装置が変換されると中央処理装
置2は命令を解析し入出力装置のタイプによって入出力
装置の動作モード等をテーブルに転送格納する。例えば
図に示すデータ処理装置8にてチャネル制御装置4は最
大5MB/S(毎秒バイト×106の速度)の速度をも
ち、チャネル装置fi−1と5−2はそれぞれ最大転送
速度3MB/S、入出力装置?−1と8−1は最大転送
速度3MB/S、入出力装置?−2と8−2は最大転送
速度1.5 MB/Sであるとすると、チャネル装置5
−iは動作中の入出力装置?−1或は8−1をテーブル
により認識し8MB/Sの設定を行い、又他方のチャネ
ル装置5−2は1.5MB/Sの設定を行い、チャネル
制御装置4の最大転送速度5MB/S以下に設定する。
Is central processing unit 2 a recognized input/output device? -1 and 8-
1 operation mode is stored in a table. Therefore, is channel device fi-1 a direct input/output device? -1 and 8-1 can be set. If the input/output device is converted, the central processing unit 2 analyzes the command and transfers and stores the operation mode of the input/output device in a table depending on the type of the input/output device. For example, in the data processing device 8 shown in the figure, the channel control device 4 has a maximum transfer rate of 5 MB/S (speed of bytes per second x 106), and the channel devices fi-1 and 5-2 each have a maximum transfer rate of 3 MB/S, Input/output device? -1 and 8-1 have a maximum transfer rate of 3MB/S and are input/output devices? -2 and 8-2 have a maximum transfer rate of 1.5 MB/S, channel device 5
-Is i an active input/output device? -1 or 8-1 is recognized from the table and set to 8MB/S, and the other channel device 5-2 is set to 1.5MB/S, and the maximum transfer rate of channel control device 4 is 5MB/S. Set as below.

(f)  発明の効果 送しチャネル装置が直接入出力装置の設定を管理し設定
に人手を必要とすることのないものとなり、又設定に人
手を必要(サービス・プロセッサへの人手の介入による
インプット)とした場合でも、入出力装置の設定を管理
しているため、操作のチェックも出き、設定工数の削減
及び操作誤りの防止上利点の多いものとなる。
(f) Effects of the invention The sending channel device directly manages the settings of the input/output device and does not require human intervention for setting. ), since the settings of the input/output devices are managed, the operation can be checked, which has many advantages in terms of reducing the number of setting steps and preventing operational errors.

【図面の簡単な説明】[Brief explanation of drawings]

図は本発明のチャネル制御方式を示す一実施例のブロッ
ク図である。 図において、2は中央処理装置、8はデータ処理装置、
5−1と5−2はチャネル装置、?−1と7−2と8−
1と8−2は入出力装置、51−1とfil−2はサブ
チャネルをそれぞれ示す。
The figure is a block diagram of an embodiment showing the channel control method of the present invention. In the figure, 2 is a central processing unit, 8 is a data processing unit,
5-1 and 5-2 are channel devices, ? -1 and 7-2 and 8-
1 and 8-2 are input/output devices, and 51-1 and fil-2 are subchannels, respectively.

Claims (1)

【特許請求の範囲】[Claims] 中央処理装置とサブチャネルを有するチャネル装置と入
出力装置から構成されてなる処理システムにおけるチャ
ネル制御方式であって、該中央処理装置が認識する前記
大出力装置の動作モード或はサービスプロセッサによ多
入力される該動作モードを前記ザブチャネルに格納せし
め、前記チャネル装置が前記サブチャネルの格納した動
作モードにて前記入出力装置を制御するようにしたこと
を特徴とするチャネル制御方式。
A channel control method in a processing system consisting of a central processing unit, a channel device having subchannels, and an input/output device, wherein the operation mode of the large output device recognized by the central processing unit or the service processor A channel control method characterized in that the input operation mode is stored in the subchannel, and the channel device controls the input/output device using the operation mode stored in the subchannel.
JP23194182A 1982-12-29 1982-12-29 Channel controlling system Pending JPS59123915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23194182A JPS59123915A (en) 1982-12-29 1982-12-29 Channel controlling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23194182A JPS59123915A (en) 1982-12-29 1982-12-29 Channel controlling system

Publications (1)

Publication Number Publication Date
JPS59123915A true JPS59123915A (en) 1984-07-17

Family

ID=16931457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23194182A Pending JPS59123915A (en) 1982-12-29 1982-12-29 Channel controlling system

Country Status (1)

Country Link
JP (1) JPS59123915A (en)

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