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From: Dave Jiang <dave.jiang@intel.com>
To: vkoul@kernel.org, tglx@linutronix.de, mingo@redhat.com,
	bp@alien8.de, hpa@zytor.com, bhelgaas@google.com,
	gregkh@linuxfoundation.org, arnd@arndb.de
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org,
	x86@kernel.org, dan.j.williams@intel.com, ashok.raj@intel.com,
	fenghua.yu@intel.com, tony.luck@intel.com, jing.lin@intel.com,
	sanjay.k.kumar@intel.com, dave.hansen@intel.com
Subject: [PATCH v2 9/9] dmaengine: idxd: add ABI documentation for shared wq
Date: Mon, 18 May 2020 11:54:15 -0700	[thread overview]
Message-ID: <158982805539.37989.15539309046009177293.stgit@djiang5-desk3.ch.intel.com> (raw)
In-Reply-To: <158982749959.37989.2096629611303670415.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 2253bb1550d6..2b8ec961d783 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:		May 4, 2020
+KernelVersion:	5.8.0
+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
@@ -116,6 +123,13 @@ Description:    The maximum number of bandwidth tokens that may be in use at
 		one time by operations that access low bandwidth memory in the
 		device.
 
+What:		/sys/bus/dsa/devices/wq<m>.<n>/block_on_fault
+Date:		May 4, 2020
+KernelVersion:	5.8.0
+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:[~2020-05-18 18:54 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-18 18:53 [PATCH v2 0/9] Add shared workqueue support for idxd driver Dave Jiang
2020-05-18 18:53 ` [PATCH v2 1/9] x86/cpufeatures: Enumerate ENQCMD and ENQCMDS instructions Dave Jiang
2020-05-18 18:53 ` [PATCH v2 2/9] x86/asm: move the raw asm in iosubmit_cmds512() to special_insns.h Dave Jiang
2020-05-18 18:53 ` [PATCH v2 3/9] x86/asm: add enqcmds() to support ENQCMDS instruction Dave Jiang
2020-05-18 18:53 ` [PATCH v2 4/9] dmaengine: idxd: add work queue drain support Dave Jiang
2020-05-18 18:53 ` [PATCH v2 5/9] dmaengine: idxd: move submission to sbitmap_queue Dave Jiang
2020-05-18 18:53 ` [PATCH v2 6/9] dmaengine: idxd: add shared workqueue support Dave Jiang
2020-05-18 18:54 ` [PATCH v2 7/9] dmaengine: idxd: clean up descriptors with fault error Dave Jiang
2020-05-18 18:54 ` [PATCH v2 8/9] dmaengine: idxd: add leading / for sysfspath in ABI documentation Dave Jiang
2020-05-18 18:54 ` Dave Jiang [this message]
2020-06-01 22:09 ` [PATCH v2 0/9] Add shared workqueue support for idxd driver Dave Jiang
2020-06-03  6:33   ` Vinod Koul
2020-06-03 15:30     ` Dave Jiang

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