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| author | Yanteng Si <siyanteng@loongson.cn> | 2021-04-16 18:32:24 +0800 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2021-04-20 16:08:13 -0600 |
| commit | b77e0ce62d63a761ffb7f7245a215a49f5921c2f (patch) | |
| tree | 63459c746e482f933d0608328c472e82989833bc /Documentation/translations | |
| parent | e9dfeed2518671e94779a6103301cded67fae0e2 (diff) | |
| download | linux-b77e0ce62d63a761ffb7f7245a215a49f5921c2f.tar.gz linux-b77e0ce62d63a761ffb7f7245a215a49f5921c2f.tar.xz | |
docs/zh_CN: add core-api irq concepts.rst translation
This patch translates Documentation/core-api/irq/concepts.rst into Chinese.
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Reviewed-by: Wu XiangCheng <bobwxc@email.cn>
Link: https://lore.kernel.org/r/22babdd7e3fa5121360eff875d005ba5f4647e21.1618568135.git.siyanteng@loongson.cn
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/translations')
| -rw-r--r-- | Documentation/translations/zh_CN/core-api/irq/concepts.rst | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/translations/zh_CN/core-api/irq/concepts.rst b/Documentation/translations/zh_CN/core-api/irq/concepts.rst new file mode 100644 index 000000000000..41455bf0f783 --- /dev/null +++ b/Documentation/translations/zh_CN/core-api/irq/concepts.rst @@ -0,0 +1,24 @@ +.. include:: ../../disclaimer-zh_CN.rst + +:Original: :doc:`../../../../core-api/irq/concepts` +:Translator: Yanteng Si <siyanteng@loongson.cn> + +.. _cn_concepts.rst: + + +=========== +什么是IRQ？ +=========== + +IRQ (Interrupt ReQuest) 指来自设备的中断请求。 +目前，它们可以通过一个引脚或通过一个数据包进入。 +多个设备可以连接到同一个引脚，从而共享一个IRQ。 + +IRQ编号是用来描述硬件中断源的内核标识符。通常它是一个到全局irq_desc数组的索引， +但是除了在linux/interrupt.h中实现的之外，其它细节是体系结构特征相关的。 + +IRQ编号是对机器上可能的中断源的枚举。通常枚举的是系统中所有中断控制器的输入引脚 +编号。在ISA（工业标准体系结构）的情况下所枚举的是两个i8259中断控制器的16个输入引脚。 + +体系结构可以给IRQ号赋予额外的含义，在涉及到硬件手动配置的情况下，我们鼓励这样做。 +ISA IRQ是赋予这种额外含义的一个典型例子。 |