On 03/02/2014 09:53 AM, Bart Van Assche wrote:
> On 02/13/14 11:27, Hannes Reinecke wrote:
>> After discussion with jejb I've dropped the EVPD parsing.
>> So with this version we're just displaying the EVPD page
>> 0x80 and 0x83 as hexdumps; no parsing is attempted.
>> This drastically simplifies t
On 03/05/14 09:00, Hannes Reinecke wrote:
> On 03/02/2014 09:53 AM, Bart Van Assche wrote:
>> A general comment about this patch series: I think the cached copies of
>> these pages should be refreshed at least after an INQUIRY DATA HAS
>> CHANGED unit attention code has been received. Some SCSI tar
On 03/05/2014 09:23 AM, Bart Van Assche wrote:
> On 03/05/14 09:00, Hannes Reinecke wrote:
>> On 03/02/2014 09:53 AM, Bart Van Assche wrote:
>>> A general comment about this patch series: I think the cached copies of
>>> these pages should be refreshed at least after an INQUIRY DATA HAS
>>> CHANGED
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On 3/5/2014 2:06 AM, Nicholas A. Bellinger wrote:
On Tue, 2014-03-04 at 17:17 +0200, Sagi Grimberg wrote:
On 3/4/2014 2:00 AM, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger
Hi Or & Sagi,
This series addresses a number of active I/O shutdown related issues
in iser-target code that hav
https://bugzilla.kernel.org/show_bug.cgi?id=71231
--- Comment #7 from Alex ---
ea461abf61753b4b79e625a7c20650105b990f21 is the first bad commit
commit ea461abf61753b4b79e625a7c20650105b990f21
Author: Gavin Shan
Date: Wed Jun 5 15:34:02 2013 +0800
powerpc/eeh: Fix fetching bus for single-d
hash_table_size is not used by the bnx2fc_free_hash_table() function.
Signed-off-by: Maurizio Lombardi
---
drivers/scsi/bnx2fc/bnx2fc_hwi.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c
index 46a3765..261af2a 100644
---
This is a preparation step for T10-PI offload support. We prefer to push
the desicion of which mkey to use (global or fastreg) to iser_fast_reg_mr.
We choose to do this since it in T10-PI we may need to register for
protection buffers and in this case we wish to simplify iser_fast_reg_mr
instead of
fastreg descriptor will include protection information context.
In order to place the logic in one place we introduce
iser_create_fr_desc function.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
---
drivers/infiniband/ulp/iser/iser_verb
Add logic to initialize protection information entities.
Upon each iSCSI task, we keep the scsi_cmnd in order to
query the scsi protection operations and reference to
protection buffers.
Modify iser_fast_reg_mr to receive indication weather it
is registering the data or protection buffers.
In add
Once the iSCSI transaction is completed we must
imeplement check_protection in order to notify
on DIF errors that may have occured.
The routine boils down to calling ib_check_mr_status
to get the signature status of the transaction.
Signed-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
Si
Hey Roland, Nic, Mike and Co
This patchset adds T10 protection information offload support over
RDMA signature verbs API. This set, along with the iSER target set,
allow end-to-end protection information passthrough and validation.
The patchset was tested against Linux SCSI target with iSER DIF
su
FRWR stands for "fast registration work request". We
want to avoid calling the fastreg pool with that name,
instead we name it fastreg which stands for "fast registration".
This pool will include more elements in the future, so
it is a good idea to generalize the name.
Signed-off-by: Sagi Grimber
From: Alex Tabachnik
Use modparams to activate protection information support.
pi_enable bool: Based on this parameter iSER will know
if it should support T10-PI. We don't want to do this by
default as it requires to allocate and initiatlize extra
resources. In case pi_enable=N, iSER won't publi
After allocating a scsi_host we set protection types
and guard type supported.
Signed-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
---
drivers/infiniband/ulp/iser/iscsi_iser.c | 23 ++-
1 files changed, 22 insertions(+), 1 deletions(-)
diff --git a/drivers/infiniba
For T10-PI offload support, we will need to know the
device signature offload capability upon every connection
establishment.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
---
drivers/infiniband/ulp/iser/iscsi_iser.h |1 +
drivers/
From: Alex Tabachnik
During connection establishment we also initiatlize
T10-PI resources (QP, PI contexts) in order to support
SCSI's protection operations.
Signed-off-by: Alex Tabachnik
Signed-off-by: Sagi Grimberg
---
drivers/infiniband/ulp/iser/iscsi_iser.h | 21 -
drivers/infin
This routines operates on data buffers and may also work with
protection infomation buffers. So we generalize them to handle
an iser_data_buf which can be the command data or command protection
information.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg
---
drivers/i
In T10-PI support we will have memory keys for protection
buffers and signature transactions. We prefer to compact
indicators rather than keeping multiple bools.
This commit does not change any functionality.
Signed-off-by: Sagi Grimberg
Signed-off-by: Alex Tabachnik
---
drivers/infiniband/ulp
iSCSI needs to be at least aware that a task involves protection
information. In case it does, after the transaction completed
libiscsi will ask the transport to check the protection status
of the transaction.
Unlike transport errors, DIF errors should not prevent successful
completion of the tran
Unaligned SG-lists may also happen for protection
information. Genrelize bounce buffer routine to handle
any iser_data_buf which may be data and/or protection.
This patch does not change any functionality.
Signed-off-by: Sagi Grimberg
---
drivers/infiniband/ulp/iser/iser_memory.c | 53 +++
Allow transport callback xmit_task to return either transient
errors such as -ENOMEM or -EAGAIN to retry the task, and
non-transient such as -EINVAL to abort it.
Signed-off-by: Sagi Grimberg
---
drivers/scsi/libiscsi.c | 13 ++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff
Hi
I have problem with SATA disks at my Sunfire v245 and its lsi controller they
are very slow.
So I test it with dd and while dd in a nother terminal i see dstat results of
sda:
Copy from ramdisk to sda.
=== Test ext4 ===
DD
root@outpost:/ramdisk# dd if=debian-7.4.0-sparc-netinst.iso of=/ro
On 03/04/2014 03:59 AM, Sagi Grimberg wrote:
> On 3/4/2014 11:38 AM, Or Gerlitz wrote:
>> On 03/03/2014 06:44, Mike Christie wrote:
>>> The xmit_task callout does handle failures like EINVAL. If the above map
>>> calls fail then you would get infinite retries. You would currently want
>>> to do the
On Wed, Mar 5, 2014 at 9:50 AM, Markus wrote:
> The hdparm result looks like there is somethink not right . There were no
> features supported but why ?
Does the HDD have S.M.A.R.T. features? Possibly
smartctl -a /dev/sda
would provide some additional visibility?
- Mark
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Hi James,
I didn't see these patches got merged yet. Do you want me to re-submit them?
Thanks for your help!
Wendy
Quoting wenxi...@linux.vnet.ibm.com:
This patch removes extended delay bit on GSCSI reads/writes ops, the
performance will be significanly better.
Signed-off-by: Wen Xiong
---
On 12/18/2013 01:20 AM, Hannes Reinecke wrote:
On 12/17/2013 09:01 PM, Nicholas A. Bellinger wrote:
On Tue, 2013-12-17 at 11:50 -0800, Nicholas A. Bellinger wrote:
On Tue, 2013-12-17 at 09:18 +0100, Hannes Reinecke wrote:
We should be including a descriptor referring to the target device
to al
On Wed, Mar 05, 2014 at 08:38:01AM +0100, Hannes Reinecke wrote:
> > Either way I think the call to query evpd 0 should be a separate
> > function, so even if we don't store the information it's abstracted out.
> >
> Hmm. That would work if we were just asking for a single page; but
> when we're c
On 03/05/2014 11:41 AM, Andy Grover wrote:
Hi, fbfe858 only bumps INQUIRY_BUF to 768 although the comment says
1024, is this expected and ok?
Doh, read the diff backwards, disregard. -- Andy
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Tejun says:
"At least for libata, worrying about suspend/resume failures don't make
whole lot of sense. If suspend failed, just proceed with suspend. If
the device can't be woken up afterwards, that's that. There isn't
anything we could have done differently anyway. The same for resu
async_schedule() sd resume work to allow disks and other devices to
resume in parallel.
This moves the entirety of scsi_device resume to an async context to
ensure that scsi_device_resume() remains ordered with respect to the
completion of the start/stop command. For the duration of the resume,
n
It is not everyday that a kernel operation gets 2x faster. Nice find
by Todd and his AnalyzeSuspend tool [1].
Todd is on vacation so I am taking care of these patches to make sure
they get in the queue for 3.15.
The significant changes from Todd's last submission [2]:
1/ Split out the pure clea
From: Todd Brandt
Improve overall system resume time by making libata link recovery
actions asynchronous relative to other resume events.
Link resume operations are performed using the scsi_eh thread, so
commands, particularly the sd resume start/stop command, will be held
off until the device e
Hi,
>> +#define pdata_to_ctx(x) container_of(x, struct xgene_ahci_context,
>> plat_data)
>> +
>> +struct xgene_ahci_context {
>> + struct ahci_platform_data plat_data;
>
> plat_data is used only to get to struct xgene_ahci_context instance
> so it can be removed (especially since we want to r
Hi,
>> >> This patch adds function set_speed to the generic PHY framework
>> >> operation
>> >> structure. This function can be called to instruct the PHY
>> >> underlying layer
>> >> at specified lane to configure for specified speed in hertz.
>> >
>> > why ?
On Wed, Mar 05, 2014 at 10:21:07AM -0800, Mark Knecht wrote:
> On Wed, Mar 5, 2014 at 9:50 AM, Markus wrote:
>
>
> > The hdparm result looks like there is somethink not right . There were no
> > features supported but why ?
>
>
> Does the HDD have S.M.A.R.T. features? Possibly
>
> smartctl -
On Wed, 2014-03-05 at 14:12 +0200, Sagi Grimberg wrote:
> On 3/5/2014 2:06 AM, Nicholas A. Bellinger wrote:
> > On Tue, 2014-03-04 at 17:17 +0200, Sagi Grimberg wrote:
> >> On 3/4/2014 2:00 AM, Nicholas A. Bellinger wrote:
> >>> From: Nicholas Bellinger
> >>>
> >> More on cleanup flow. isert_cm
This patch adds support for APM X-Gene SoC 15Gbps Multi-purpose PHY. This
is the physical layer interface for the corresponding host controller. This
driver uses the PHY generic framework.
v13:
* Remove PHY patch for initial version as only Gen3 speed is supported
* Remove function xgene_phy_sata_
This patch adds support for the APM X-Gene SoC AHCI SATA host controller. In
order for the host controller to work, the corresponding PHY driver
musts also be available. Currently, only Gen3 disk is supported with this
initial version.
v15:
* Rebase to libata next branch
* Remove field plat_data
This patch adds the DTS entries for the APM X-Gene SoC 15Gbps Multi-purpose
PHY driver. The PHY for SATA controller 2 and 3 are enabled by default.
Signed-off-by: Loc Ho
Signed-off-by: Tuan Phan
Signed-off-by: Suman Tripathi
---
arch/arm64/boot/dts/apm-storm.dtsi | 75 +++
This patch adds the APM X-Gene SoC 15Gbps Multi-purpose PHY driver binding
documentation.
Signed-off-by: Loc Ho
Signed-off-by: Tuan Phan
Signed-off-by: Suman Tripathi
---
.../devicetree/bindings/phy/apm-xgene-phy.txt | 79
1 files changed, 79 insertions(+), 0 delet
This patch adds documentation for the APM X-Gene SoC SATA host controller DTS
binding.
Signed-off-by: Loc Ho
Signed-off-by: Tuan Phan
Signed-off-by: Suman Tripathi
---
.../devicetree/bindings/ata/apm-xgene.txt | 70
1 files changed, 70 insertions(+), 0 deletions
This patch adds support for the APM X-Gene SoC AHCI SATA host controller
driver. It requires the corresponding APM X-Gene SoC PHY driver. This
initial version only supports Gen3 speed.
Signed-off-by: Loc Ho
Signed-off-by: Tuan Phan
Signed-off-by: Suman Tripathi
---
drivers/ata/Kconfig |
This patch adds APM X-Gene SoC AHCI SATA host controller DTS entries.
Signed-off-by: Loc Ho
Signed-off-by: Tuan Phan
Signed-off-by: Suman Tripathi
---
arch/arm64/boot/dts/apm-storm.dtsi | 75
1 files changed, 75 insertions(+), 0 deletions(-)
diff --git a
On Mon, Mar 3, 2014 at 1:25 PM, Daniel Mack wrote:
> From: Alan Stern
>
> Evidently some wacky USB-ATA bridges don't recognize the SYNCHRONIZE
> CACHE command, as shown in this email thread:
>
> http://marc.info/?t=13897835622&r=1&w=2
>
> The fact that we can't tell them to drain thei
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