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linux-next/drivers/scsi/mpt3sas
Suganath Prabu 3c090ce3f0 scsi: mpt3sas: Allow ioctls to blocked access status NVMe
If driver sees the NVMe drive with "DEVICE_BLOCKED" AccessStatus in its
PCIe Device Page0, then driver removes the drive from its internal list and
does not allow any IOCTL commands to be sent to the drive and will return
the IOCTLs with "-ENODEV" status.

The driver will now allow NVMe Encapsulated IOCTL issued to the NVMe device
with an access status of DEVICE_BLOCKED. This change allows the user to
flash new drive firmware online and revive the drive.

Add NVMe device only the driver's internal list even though the device is
in the blocked state so that the device will be visible to Apps. This way
Apps can send NVMe Encapsulated IOCTLs to this drive and bring the drive
online. This NVMe drive with DEVICE_BLOCKED access status won't added to
the SML, it will be added only in the driver's internal list.

[mkp: clarified desc]

Signed-off-by: Suganath Prabu <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2019-08-07 22:46:19 -04:00
..
mpi scsi: mpt3sas: Update MPI headers to 2.6.8 spec 2019-08-07 22:46:19 -04:00
Kconfig scsi: mpt3sas: Irq poll to avoid CPU hard lockups 2019-03-18 17:16:43 -04:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mpt3sas_base.c scsi: mpt3sas: Enumerate SES of a managed PCIe switch 2019-08-07 22:46:19 -04:00
mpt3sas_base.h scsi: mpt3sas: Allow ioctls to blocked access status NVMe 2019-08-07 22:46:19 -04:00
mpt3sas_config.c scsi: mpt3sas: Enable interrupt coalescing on high iops 2019-06-18 19:46:26 -04:00
mpt3sas_ctl.c scsi: mpt3sas: Enumerate SES of a managed PCIe switch 2019-08-07 22:46:19 -04:00
mpt3sas_ctl.h scsi: mpt3sas: Increase event log buffer to support 24 port HBA's. 2018-05-08 00:34:20 -04:00
mpt3sas_debug.h mpt2sas, mpt3sas: Remove SCSI_MPTXSAS_LOGGING entry from Kconfig 2015-11-11 18:31:14 -05:00
mpt3sas_scsih.c scsi: mpt3sas: Allow ioctls to blocked access status NVMe 2019-08-07 22:46:19 -04:00
mpt3sas_transport.c scsi: mpt3sas: function pointers of request descriptor 2019-06-18 19:46:25 -04:00
mpt3sas_trigger_diag.c scsi: mpt3sas: Convert uses of pr_<level> with MPT3SAS_FMT to ioc_<level> 2018-10-10 22:00:43 -04:00
mpt3sas_trigger_diag.h mpt2sas, mpt3sas: Update attribution language to Avago 2015-01-13 16:27:27 +01:00
mpt3sas_warpdrive.c scsi: mpt3sas: Convert uses of pr_<level> with MPT3SAS_FMT to ioc_<level> 2018-10-10 22:00:43 -04:00