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From: Dave Jiang <dave.jiang@intel.com>
To: vkoul@kernel.org, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, dan.j.williams@intel.com, tony.luck@intel.com,
	jing.lin@intel.com, ashok.raj@intel.com,
	sanjay.k.kumar@intel.com, fenghua.yu@intel.com,
	kevin.tian@intel.com
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v4 5/5] dmaengine: idxd: add ABI documentation for shared wq
Date: Thu, 17 Sep 2020 14:15:41 -0700	[thread overview]
Message-ID: <160037734142.3777.10569472774737564836.stgit@djiang5-desk3.ch.intel.com> (raw)
In-Reply-To: <160037680630.3777.16356270178889649944.stgit@djiang5-desk3.ch.intel.com>

Add the sysfs attribute bits in ABI/stable for shared wq support.

Signed-off-by: Jing Lin <jing.lin@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
---
 Documentation/ABI/stable/sysfs-driver-dma-idxd |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/ABI/stable/sysfs-driver-dma-idxd b/Documentation/ABI/stable/sysfs-driver-dma-idxd
index b44183880935..42d3dc03ffea 100644
--- a/Documentation/ABI/stable/sysfs-driver-dma-idxd
+++ b/Documentation/ABI/stable/sysfs-driver-dma-idxd
@@ -77,6 +77,13 @@ Contact:        dmaengine@vger.kernel.org
 Description:    The operation capability bit mask specify the operation types
 		supported by the this device.
 
+What:		/sys/bus/dsa/devices/dsa<m>/pasid_enabled
+Date:		Sep 17, 2020
+KernelVersion:	5.10.0
+Contact:	dmaengine@vger.kernel.org
+Description:	To indicate if PASID (process address space identifier) is
+		enabled or not for this device.
+
 What:           /sys/bus/dsa/devices/dsa<m>/state
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
@@ -122,6 +129,13 @@ KernelVersion:	5.10.0
 Contact:	dmaengine@vger.kernel.org
 Description:	The last executed device administrative command's status/error.
 
+What:		/sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
+Date:		Sept 17, 2020
+KernelVersion:	5.10.0
+Contact:	dmaengine@vger.kernel.org
+Description:	To indicate block on fault is allowed or not for the work queue
+		to support on demand paging.
+
 What:           /sys/bus/dsa/devices/wq<m>.<n>/group_id
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0


  parent reply	other threads:[~2020-09-17 21:15 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-17 21:15 [PATCH v4 0/5] Add shared workqueue support for idxd driver Dave Jiang
2020-09-17 21:15 ` [PATCH v4 1/5] x86/asm: move the raw asm in iosubmit_cmds512() to special_insns.h Dave Jiang
2020-09-23 10:41   ` Borislav Petkov
2020-09-23 15:43     ` Dave Jiang
2020-09-23 16:00       ` David Laight
2020-09-17 21:15 ` [PATCH v4 2/5] x86/asm: add enqcmds() to support ENQCMDS instruction Dave Jiang
2020-09-23 11:08   ` Borislav Petkov
2020-09-23 15:47     ` Dave Jiang
2020-09-17 21:15 ` [PATCH v4 4/5] dmaengine: idxd: clean up descriptors with fault error Dave Jiang
2020-09-17 21:15 ` Dave Jiang [this message]
2020-09-17 23:43 ` [PATCH v4 0/5] Add shared workqueue support for idxd driver Randy Dunlap
2020-09-17 23:51   ` Dave Jiang
2020-09-17 23:56     ` Randy Dunlap

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