Hi All,
I am using 4.9 kernel and I am observing NULL pointer deference type
kernel panic in the below scenario,
* Hotplug (i.e. hot add) the HBA (with a set of drives attached to it)
to the system just few seconds before issuing "poweroff" command.
* Observed that during drives discovery proces
From: Quinn Tran
- Move chip_reset, enable_class_2 fields from qla_hw_data to qla_qpair
to reduce cache thrash for target MQ.
- Optimizations to reduce unnecessary memory load for good path io.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_attr.c |
From: Quinn Tran
Enable Multi Queue for Target mode. At Initiator LUN scan time,
each LUN is assign to a QPair. Each QPair is affinitize
to certain CPU. When new cmd arrives from the wire,
the lunid is used to search for qpair. The qpair's affinitized
cpuid will be used to queue up the work eleme
From: Quinn Tran
Add missing memory dump of Exchange Offload and Extended
login into FW dump.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_dbg.c | 49 +
drivers/scsi/qla2xxx/qla_dbg.h | 11 +
drivers/s
From: Quinn Tran
Add fw_started flag to qpair to reduce cache thrash.
This reduce access to qla_hw_data structure by each
qpair.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 21 +
drivers/scsi/qla2xxx/qla_init.c | 4 +
From: Sawan Chandak
In target mode driver, queue pairs are not created during driver load time,
instead they are created at the configuration time after chip reset.
If a user tries to load/unload driver after queue pairs are created, then
there would be mailbox failure, while deleting queue pairs
From: Quinn Tran
By default this flag is forced to true. Remove this
flag and unneccessary check for this flag.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_target.c | 44 ---
drivers/scsi/qla2xxx/qla_target.h | 1
From: Quinn Tran
For ISP27XX, use shadow register to read FW provided
REQQ's consumer index. The shadow register is dma'ed
by firmware.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 1 +
drivers/scsi/qla2xxx/qla_init.c | 1 +
drivers/scsi
From: Quinn Tran
For Target mode, user can control the work load by
placing qla2xxx's irq vector on certain CPU via the
smp_affinity knob. This patch allows user to control
the number of QPair's irq to be active. The irqs are
allocated at driver load time until unload. The work
itself is placed o
From: Quinn Tran
For target main path io routines that uses qpair,
create new logging & debugging routines to use
qpair instead of reaching for scsi_qla_host to
reduce cache thrash.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_dbg.c| 101 +
Signed-off-by: Himanshu Madhani
Signed-off-by: Giridhar Malavali
---
drivers/scsi/qla2xxx/qla_version.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/qla2xxx/qla_version.h
b/drivers/scsi/qla2xxx/qla_version.h
index 45bc84e8e3bf..dcbb9bb05e99 100644
--- a/d
From: Quinn Tran
Move counters to qpair to reduce cache miss.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h | 27 +++--
drivers/scsi/qla2xxx/qla_dfs.c | 48 +++---
drivers/scsi/qla2xxx/qla_i
From: Quinn Tran
Add call back to door bell for qpair. This help
reduce access to qla_hw_data structure, in order
to reduce cach thrash.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 3 ++
drivers/scsi/qla2xxx/qla_init.c | 3 ++
drivers/
From: Quinn Tran
In Current code, Req Q 0, RespQ 0 & hardware_lock
are the main resources for sending and process completion
of Target IO. These resources are now referenced
behind a new qpair/"struct qla_qpair base_qpair".
Main path IO handle will access those resources via the
qpair pointer in
From: Quinn Tran
These fields only hold one set of value. Replace it with
macros to reduce cache thrash.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_target.c | 12 +---
drivers/scsi/qla2xxx/qla_target.h | 2 +-
2 files changed, 6 insertions(
Hi Martin, Nic,
This patch series adds support for multiqueue for qla2xxx target mode driver.
This series depends on the seris applied to Martin's scsi/for-next branch
(https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git/log/?h=for-next)
I've also added followig patch ("qla2xxx: Include
From: Quinn Tran
Merge active/outstanding cmd arrays from target side
and initiator side together in prepration for Target
Multi Queue support.
Signed-off-by: Quinn Tran
Signed-off-by: Himanshu Madhani
---
drivers/scsi/qla2xxx/qla_def.h| 15 +++-
drivers/scsi/qla2xxx/qla_gbl.h| 2 -
From: Long Li
FC disks issue I/O directly to the host storage port driver, this is
diffirent to VHD disks where I/O is virtualized and timeout is handled
by the host VSP (Virtualization Service Provider).
FC disks are usually setup in a multipath system, and they don't want to
reset timer on I/O
> -Original Message-
> From: Colin King [mailto:colin.k...@canonical.com]
> Sent: Monday, May 15, 2017 8:56 AM
> To: Raghava Aditya Renukunta ;
> dl-esc-Aacraid Linux Driver ; James E . J . Bottomley
> ; Martin K . Petersen
> ; linux-scsi@vger.kernel.org
> Cc: kernel-janit...@vger.kernel.or
> -Original Message-
> From: Bart Van Assche [mailto:bart.vanass...@sandisk.com]
> Sent: Tuesday, June 13, 2017 8:38 AM
> To: linux-ker...@vger.kernel.org; KY Srinivasan ;
> martin.peter...@oracle.com; linux-scsi@vger.kernel.org; Stephen Hemminger
> ; Long Li ;
> j...@linux.vnet.ibm.com;
On Wed, Jun 7, 2017 at 12:30 PM, Robert LeBlanc wrote:
> On Wed, Jun 7, 2017 at 10:28 AM, Chris Leech wrote:
>> On Tue, Jun 06, 2017 at 12:07:10PM -0600, Robert LeBlanc wrote:
>>> This patchset enables iSCSI offload drivers to have access to the iface
>>> information provided by iscsid. This allo
On Mon, 2017-06-12 at 17:23 -0700, Long Li wrote:
> From: Long Li
>
> FC disks are usually setup in a multipath system, and they don't want to
> unconditionaly reset I/O on timeout. I/O timeout is detected by multipath
> as a good time to failover and recover.
>
> Signed-off-by: Long Li
> ---
James,
> To start this effort, I'd like a bcmlpfc directory to be made within
> the drivers staging tree. The directory would be populated with the
> efct driver and a copy of the existing lpfc driver. Work can then
> commence on refactoring lpfc and creating the libraries and
> integrating the
Christoph,
>> But as we already set no_report_opcodes for all usb-storage and
>> quirked uas devices I think the worst offenders are already covered
>> anyway.
>
> Martin, how do we want to move ahead on this patch?
I was suggesting the VPD because that may be easier for the SAS HBA
vendors to a
On 17/05/2017 13:38, John Garry wrote:
On 17/05/2017 13:27, Arnd Bergmann wrote:
On Wed, May 17, 2017 at 12:49 PM, John Garry
wrote:
> From: Xiang Chen
>
> For ECC 1bit error, logic can recover it, so we only print a warning.
> For ECC multi-bit and AXI bus fatal error, we panic.
>
> Signed-o
Gentle ping.
I have opened kernel BZ for this. Here is the BZ link-
https://bugzilla.kernel.org/show_bug.cgi?id=196057
Thanks,
Sumit
>-Original Message-
>From: Sumit Saxena [mailto:sumit.sax...@broadcom.com]
>Sent: Tuesday, June 06, 2017 9:05 PM
>To: 'Jens Axboe'
>Cc: 'linux-bl...@vger.ke
From: Colin Ian King
The array tcmu_attrib_attrs does not need to be in global scope, so make
it static.
Cleans up sparse warning:
"symbol 'tcmu_attrib_attrs' was not declared. Should it be static?"
Signed-off-by: Colin Ian King
---
drivers/target/target_core_user.c | 2 +-
1 file changed, 1
From: Colin Ian King
The guid intel_dsm_guid does not need to be in global scope, so make
it static.
Cleans up sparse warning:
"symbol 'tcmu_attrib_attrs' was not declared. Should it be static?"
Signed-off-by: Colin Ian King
---
drivers/target/target_core_user.c | 2 +-
1 file changed, 1 inse
On 06/13/2017 01:08 AM, James Smart wrote:
> Here's what I'd like to propose for a direction:
> 1) Create an initiator driver and a target driver. For now, initiator
> would support both SCSI and NVME initiator. Target would support SCSI
> and NVME target.
> 2) SLI3 support would be contained only
On 06/13/2017 02:23 AM, Long Li wrote:
> From: Long Li
>
> FC disks are usually setup in a multipath system, and they don't want to
> unconditionaly reset I/O on timeout. I/O timeout is detected by multipath
> as a good time to failover and recover.
>
> Signed-off-by: Long Li
> ---
Looks goo
30 matches
Mail list logo
