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d5cec66... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Add event handling debug prints

BugLink: https://bugs.launchpad.net/bugs/1933359

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 9fc4abfe5a5fc9fabce41b9d2ba8425ef498b32c)
Signed-off-by: Jeff Lane <email address hidden>

2400478... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Add EEDP DIF DIX support

BugLink: https://bugs.launchpad.net/bugs/1933359

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 74e1f30a28680978fa9ddfb5360d0cc644cd348e)
Signed-off-by: Jeff Lane <email address hidden>

903385a... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Add support for DSN secure firmware check

BugLink: https://bugs.launchpad.net/bugs/1933359

Read PCI_EXT_CAP_ID_DSN to query security status.

The driver will throw a warning message when a non-secure type controller
is detected. The purpose of this interface is to avoid interacting with any
firmware which is not secured/signed by Broadcom. Any tampering on
firmware component will be detected by hardware and it will be communicated
to the driver to avoid any further interaction with that component.

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 28cbe2f420d338cc4cb8f0cc367b22ea3c41b3b5)
Signed-off-by: Jeff Lane <email address hidden>

6a7b457... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Add support for PM suspend and resume

BugLink: https://bugs.launchpad.net/bugs/1933359

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 2f9c4d520aa60f1bc65b791ac2a5fa3ed622d095)
Signed-off-by: Jeff Lane <email address hidden>

ec7589b... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Wait for pending I/O completions upon detection of VD I/O timeout

BugLink: https://bugs.launchpad.net/bugs/1933359

Wait for host I/O completion (default 180 seconds) if I/O timeout is
detected on VDs.

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 44dc724f5eecf6ef8ea493e0f0198f297e1c7306)
Signed-off-by: Jeff Lane <email address hidden>

4673f99... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Print pending host I/Os for debugging

BugLink: https://bugs.launchpad.net/bugs/1933359

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 71e80106d0599171581e81ec4979a3f4906f983b)
Signed-off-by: Jeff Lane <email address hidden>

9964ff9... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Complete support for soft reset

BugLink: https://bugs.launchpad.net/bugs/1933359

Unlock the host diagnostic register, write the specific reset type to that
and wait for reset acknowledgment from the controller. If the reset is not
successful retry for the predefined number of times

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit f061178e076210a549a546f3879ed51a61fcf938)
Signed-off-by: Jeff Lane <email address hidden>

c7503e2... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Add support for threaded ISR

BugLink: https://bugs.launchpad.net/bugs/1933359

Register driver for threaded interrupts.

By default the driver will attempt I/O completion from interrupt context
(primary handler). Since the driver tracks per reply queue outstanding
I/Os, it will schedule threaded ISR if there are any outstanding I/Os
expected on that particular reply queue.

Threaded ISR (secondary handler) will loop for I/O completion as long as
there are outstanding I/Os (speculative method using same per reply queue
outstanding counter) or it has completed some X amount of commands
(something like budget).

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 463429f8dd5c94aae4b0948c56e67eb21cb6964e)
Signed-off-by: Jeff Lane <email address hidden>

030b703... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Hardware workaround for UNMAP commands to NVMe drives

BugLink: https://bugs.launchpad.net/bugs/1933359

The controller hardware can not handle certain UNMAP commands for NVMe
drives. Add support in the driver for checking those commands and handle
them appropriately.

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 392bbeb85b2a6f80e3036dfccdf55a1d076bba2c)
Signed-off-by: Jeff Lane <email address hidden>

1bde6df... by Kashyap Desai <email address hidden> on 2021-05-20

scsi: mpi3mr: Allow certain commands during pci-remove hook

BugLink: https://bugs.launchpad.net/bugs/1933359

Instead of driver returning DID_NO_CONNECT during driver unload allow SSU
and Sync Cache commands to be sent to the controller to flush any cached
data from the drive.

Link: https://<email address hidden>
Cc: <email address hidden>
Reviewed-by: Hannes Reinecke <email address hidden>
Reviewed-by: Tomas Henzl <email address hidden>
Reviewed-by: Himanshu Madhani <email address hidden>
Signed-off-by: Kashyap Desai <email address hidden>
Signed-off-by: Martin K. Petersen <email address hidden>
(cherry picked from commit 82141ddba90a88df8ebde782c5b24c7cc5a9926e)
Signed-off-by: Jeff Lane <email address hidden>