Set .cmd_size in the SCSI host template instead of using the SCSI pointer
from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer
from struct scsi_cmnd. The ARM SCSI drivers have been identified as follows:
$ git grep -l '#include.*arm_scsi.h'
drivers/scsi/arm/acornscsi.c
drivers/scsi/arm/cumana_2.c
drivers/scsi/arm/eesox.c
drivers/scsi/arm/fas216.c
drivers/scsi/arm/powertec.c
Link: https://lore.kernel.org/r/20220218195117.25689-11-bvanassche@acm.org
Cc: Russell King <linux@armlinux.org.uk>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Introduce a structure with driver-private data per SCSI command. This data
structure will be used by the next patch to store a function pointer.
Link: https://lore.kernel.org/r/20211007202923.2174984-33-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Get rid of the NO_IRQ madness from Acorn expansion card handling code.
Thankfully, are relatively few users of this here, and so it's easy to
audit.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
f281233 (SCSI host lock push-down) broke the fas216 build:
drivers/scsi/arm/fas216.h: In function 'fas216_noqueue_command':
drivers/scsi/arm/fas216.h:354: error: storage class specified for parameter 'fas216_intr'
drivers/scsi/arm/fas216.h:356: error: storage class specified for parameter 'fas216_remove'
...
Fix it.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Move the mid-layer's ->queuecommand() invocation from being locked
with the host lock to being unlocked to facilitate speeding up the
critical path for drivers who don't need this lock taken anyway.
The patch below presents a simple SCSI host lock push-down as an
equivalent transformation. No locking or other behavior should change
with this patch. All existing bugs and locking orders are preserved.
Additionally, add one parameter to queuecommand,
struct Scsi_Host *
and remove one parameter from queuecommand,
void (*done)(struct scsi_cmnd *)
Scsi_Host* is a convenient pointer that most host drivers need anyway,
and 'done' is redundant to struct scsi_cmnd->scsi_done.
Minimal code disturbance was attempted with this change. Most drivers
needed only two one-line modifications for their host lock push-down.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Acked-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Apparently the fix to [SCSI] fas216: Use scsi_eh API for REQUEST_SENSE
invocation didn't show up in the final version sent to linus.
Correct this omission.
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Use new scsi_eh_prep/restor_cmnd() for synchronous REQUEST_SENSE
invocation. This also converts the driver to the new accessor based
scatterlist implementation.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Changes the obsolete Scsi_Cmnd to struct scsi_cmnd in the arm subdir
of the scsi-subsys.
Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de>
Acked-by: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
Bart Van Assche
Thomas Gleixner
Al Viro
Russell King
Lucas De Marchi
Jeff Garzik
James Bottomley
Boaz Harrosh
Henne
Christoph Hellwig
Linus Torvalds