dmaengine Archive on lore.kernel.org
 help / color / Atom feed
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, David.Laight@ACULAB.COM
Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v6 5/5] dmaengine: idxd: Add ABI documentation for shared wq
Date: Thu, 24 Sep 2020 11:00:41 -0700
Message-ID: <20200924180041.34056-6-dave.jiang@intel.com> (raw)
In-Reply-To: <20200924180041.34056-1-dave.jiang@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
-- 
2.21.3


  parent reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 18:00 [PATCH v6 0/5] Add shared workqueue support for idxd driver Dave Jiang
2020-09-24 18:00 ` [PATCH v6 1/5] x86/asm: Carve out a generic movdir64b() helper for general usage Dave Jiang
2020-09-24 18:33   ` Borislav Petkov
2020-09-24 18:00 ` [PATCH v6 2/5] x86/asm: Add enqcmds() to support ENQCMDS instruction Dave Jiang
2020-09-24 18:58   ` Borislav Petkov
2020-09-24 21:14     ` Dave Jiang
2020-09-24 22:09   ` David Laight
2020-09-24 18:00 ` [PATCH v6 3/5] dmaengine: idxd: Add shared workqueue support Dave Jiang
2020-10-05  4:35   ` Vinod Koul
2020-09-24 18:00 ` [PATCH v6 4/5] dmaengine: idxd: Clean up descriptors with fault error Dave Jiang
2020-10-05  4:42   ` Vinod Koul
2020-10-05  4:55     ` Dave Jiang
2020-10-05  5:45       ` Vinod Koul
2020-09-24 18:00 ` Dave Jiang [this message]
2020-10-05  4:43   ` [PATCH v6 5/5] dmaengine: idxd: Add ABI documentation for shared wq Vinod Koul
2020-09-24 21:32 ` [PATCH v6 0/5] Add shared workqueue support for idxd driver Dave Jiang
2020-09-24 21:51   ` Borislav Petkov
2020-09-24 22:05     ` Dave Jiang
2020-09-30 22:19     ` Dave Jiang
2020-10-01  4:29       ` Vinod Koul
2020-10-01  7:30         ` Borislav Petkov
2020-10-01 12:18         ` Jiang, Dave

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200924180041.34056-6-dave.jiang@intel.com \
    --to=dave.jiang@intel.com \
    --cc=David.Laight@ACULAB.COM \
    --cc=ashok.raj@intel.com \
    --cc=bp@alien8.de \
    --cc=dan.j.williams@intel.com \
    --cc=dmaengine@vger.kernel.org \
    --cc=fenghua.yu@intel.com \
    --cc=jing.lin@intel.com \
    --cc=kevin.tian@intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=sanjay.k.kumar@intel.com \
    --cc=tglx@linutronix.de \
    --cc=tony.luck@intel.com \
    --cc=vkoul@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

dmaengine Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/dmaengine/0 dmaengine/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 dmaengine dmaengine/ https://lore.kernel.org/dmaengine \
		dmaengine@vger.kernel.org
	public-inbox-index dmaengine

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.dmaengine


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git