Hi Bjorn,
We tried to recreate the issue with latest kernel multiple
times.(Without including this patch,)
but we were not able to recreate it. On 4.4 kernel we hit this issue
time long back.
So we are not sure that this issue is really fixed with latest kernel or not.
We prefer to keep this patch
On Tue, Oct 2, 2018 at 7:34 PM Bjorn Helgaas wrote:
>
> On Mon, Oct 01, 2018 at 03:40:51PM -0500, Bjorn Helgaas wrote:
> > I think the names "pci_device_is_present()" and
> > "mpt3sas_base_pci_device_is_available()" contribute to the problem
> > because they make promises that can't be kept -- all
On 10/7/18 10:49 PM, Linus Walleij wrote:
S.M.A.R.T. temperature sensors have been supported for
years by userspace tools such as smarttools. This adds
support to read it from the kernel and adds a temperature
zone for the drive.
The temperature readout is however also a good fit for
Linux' hwmo
From: Venkat Gopalakrishnan
The UFS Tx lane1 clock could be muxed, hence keep it optional by ignoring
it if it is not provided in device tree.
Signed-off-by: Venkat Gopalakrishnan
Signed-off-by: Subhash Jadavani
Signed-off-by: Can Guo
---
drivers/scsi/ufs/ufs-qcom.c | 46
On Mon, Oct 01, 2018 at 02:33:07PM +0200, Paul Menzel wrote:
> Date: Wed, 29 Aug 2018 17:28:45 +0200
>
> This reverts commit ef86f3a72adb8a7931f67335560740a7ad696d1d.
>
> See the discussion in the thread *aacraid: Regression in 4.14.56
> with *genirq/affinity: assign vectors to all possible CPUs*
S.M.A.R.T. temperature sensors have been supported for
years by userspace tools such as smarttools. This adds
support to read it from the kernel and adds a temperature
zone for the drive.
The temperature readout is however also a good fit for
Linux' hwmon subsystem. By adding a hwmon interface to
in preparation to send UPIU requests via bsg.
Signed-off-by: Avri Altman
Reviewed-by: Bart Van Assche
Reviewed-by: Christoph Hellwig
---
drivers/scsi/ufs/ufs.h | 61 +
drivers/scsi/ufs/ufshcd.c| 6 ++--
include/uapi/scsi/scsi_bsg_ufs.h | 74 ++
Do that for the currently supported UPIUs: query, nop out,
and task management.
We do not support UPIU of type scsi command yet, while we are using the
job's request and reply pointers to hold the payload. We will look into
it in later patches. We might need to elaborate the raw upiu api for
that
Here is a proposal to use a bsg endpoint to manage ufs devices.
We will do that by adding a bsg device node to the ufs driver,
and use it to send UPIU transactions to the ufs device.
It will serve as a ufs device management infrastructure,
for device configuration, provisioning, testing and valid
From: Christoph Hellwig
Add a helper that takes a utp_task_req_desc and issues it, which will
be useful for UFS bsg support. Rewrite ufshcd_issue_tm_cmd0x to use
this new helper.
Signed-off-by: Christoph Hellwig
Signed-off-by: Avri Altman
---
drivers/scsi/ufs/ufshcd.c | 141 +
For now, just provide an API to allocate and remove ufs-bsg node. We
will use this framework to manage ufs devices by sending UPIU
transactions.
For the time being, implements an empty bsg_request() - will add some
more functionality in coming patches.
Nonetheless, we reveal here the protocol we
Make ufshcd_send_uic_cmd() public for that.
Signed-off-by: Avri Altman
Reviewed-by: Christoph Hellwig
Reviewed-by: Bart Van Assche
---
drivers/scsi/ufs/ufs_bsg.c | 11 +++
drivers/scsi/ufs/ufshcd.c| 3 +--
drivers/scsi/ufs/ufshcd.h| 2 ++
include/uapi/scsi/scsi_
From: Christoph Hellwig
Remove the pointless task_req_upiu and task_rsp_upiu indirections,
which are __le32 arrays always cast to given structures and just add
the members directly. Also clean up variables names in use in the
callers a bit to make the code more readable.
Signed-off-by: Christop
Use the structure size in pointer arithmetic's instead of an opaque 32
bytes for the over allocation of descriptors.
Signed-off-by: Avri Altman
Reviewed-by: Christoph Hellwig
---
drivers/scsi/ufs/ufs.h| 2 +-
drivers/scsi/ufs/ufshcd.c | 3 +--
2 files changed, 2 insertions(+), 3 deletions(-
The UFS host software uses a combination of a host register set, and
Transfer Request Descriptors in system memory to communicate with host
controller hardware. In its mmio space, a separate places are assigned
to UTP Transfer Request Descriptor ("utrd") list, and to UTP Task
Management Request Des
From: Hannes Reinecke
When an RSCN gets delayed (or not being sent at all) the transport
class will detect an error, EH kicks in, and eventually will be
setting the device to offline.
If we receive an RSCN after that the device will stay in 'offline'.
This patch allows for an 'offline' to 'blocke
From: Hannes Reinecke
When we fail to analyse the payload of a PRLI response we should
reset the state machine to retry the PRLI; eventually we will be
getting a proper frame.
Not doing so will result in a stuck state machine and the port
never to be presented to the systsm.
Suggested-by: Chad D
Hi all,
here are some patches for PRLI issues in libfc we've come
across recently.
The libfc ones are pretty straightforward, but the scsi state
machine one probably warrants some discussion.
What happened was that in some fabrics the RSCN might get lost
or incompletely reseived. This will then ca
From: Thomas Abraham
We should not assume the payload of a PRLI or PLOGI
respons is always present.
Signed-off-by: Thomas Abraham
Reviewed-by: Hannes Reinecke
---
drivers/scsi/libfc/fc_rport.c | 14 ++
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/lib
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