From: Barry Song <21cnbao@gmail.com>
To: 21cnbao@gmail.com, bhelgaas@google.com, corbet@lwn.net
Cc: Jonathan.Cameron@huawei.com, bilbao@vt.edu,
gregkh@linuxfoundation.org, leon@kernel.org,
linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
linuxarm@huawei.com, luzmaximilian@gmail.com,
mchehab+huawei@kernel.org, schnelle@linux.ibm.com,
song.bao.hua@hisilicon.com
Subject: [PATCH v2 2/2] Documentation: ABI: sysfs-bus-pci: Add description for IRQ entry
Date: Sat, 21 Aug 2021 10:37:44 +1200 [thread overview]
Message-ID: <20210820223744.8439-3-21cnbao@gmail.com> (raw)
In-Reply-To: <20210820223744.8439-1-21cnbao@gmail.com>
From: Barry Song <song.bao.hua@hisilicon.com>
/sys/bus/pci/devices/.../irq has been there for many years but it
has never been documented. This patch is trying to document it.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Barry Song <song.bao.hua@hisilicon.com>
---
Documentation/ABI/testing/sysfs-bus-pci | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-pci b/Documentation/ABI/testing/sysfs-bus-pci
index 793cbb7..8d42385 100644
--- a/Documentation/ABI/testing/sysfs-bus-pci
+++ b/Documentation/ABI/testing/sysfs-bus-pci
@@ -96,6 +96,14 @@ Description:
This attribute indicates the mode that the irq vector named by
the file is in (msi vs. msix)
+What: /sys/bus/pci/devices/.../irq
+Date: August 2021
+Contact: Barry Song <song.bao.hua@hisilicon.com>
+Description:
+ Historically this attribute represent the IRQ line which runs
+ from the PCI device to the Interrupt controller. With MSI and
+ MSI-X, this attribute is the first IRQ number of IRQ vectors.
+
What: /sys/bus/pci/devices/.../remove
Date: January 2009
Contact: Linux PCI developers <linux-pci@vger.kernel.org>
--
1.8.3.1
prev parent reply other threads:[~2021-08-20 22:38 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-20 22:37 [PATCH v2 0/2] PCI/MSI: Clarify the IRQ sysfs ABI for PCI devices Barry Song
2021-08-20 22:37 ` [PATCH v2 1/2] PCI/MSI: Fix the confusing IRQ sysfs ABI for MSI-X Barry Song
2021-08-20 23:33 ` Bjorn Helgaas
2021-08-21 10:42 ` Marc Zyngier
2021-08-21 22:14 ` Barry Song
2021-08-21 22:41 ` Barry Song
2021-08-23 10:33 ` Marc Zyngier
2021-08-24 19:25 ` Bjorn Helgaas
2021-08-23 10:30 ` Marc Zyngier
2021-08-23 11:03 ` Barry Song
2021-08-23 11:28 ` Marc Zyngier
2021-08-23 22:46 ` Barry Song
2021-08-24 19:34 ` Bjorn Helgaas
2021-08-25 9:45 ` Marc Zyngier
2021-08-24 20:51 ` Barry Song
2021-08-24 21:29 ` Barry Song
2021-08-25 10:24 ` Marc Zyngier
2021-08-24 22:51 ` Barry Song
2021-08-20 22:37 ` Barry Song [this message]
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