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Bart Van Assche <bvanassche@acm.org> says:
It helps humans and the compiler if it is made explicit that SCSI host
templates are not modified. Hence this patch series that constifies most
SCSI host templates. Please consider this patch series for the next merge
window.
Link: https://lore.kernel.org/r/20230322195515.1267197-1-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Ching Huang <ching2048@areca.com.tw> says:
The following patches were made over mkp's 6.4/scsi-staging
This series comtain some fixes:
- Deprecate arcmsr_pci_unmap_dma()
- Fix ADAPTER_TYPE_B 64-bit DMA compatibility issue
- Fix reading buffer empty length error
- Add driver proc_name
- Update driver's version to v1.50.00.13-20230206
Link: https://lore.kernel.org/r/6f3eb04dbe89d2b9f239600dd2c575227f3c0afc.camel@areca.com.tw
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
struct device supports attribute groups directly but does not support
struct device_attribute directly. Hence switch to attribute groups.
Link: https://lore.kernel.org/r/20211012233558.4066756-13-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The DEF_SCSI_QCMD() macro passes the addresses of the SCSI host lock and
also that of the scsi_done function to the queuecommand_lck() function
implementations. Remove the 'scsi_done' argument since its address is
now a constant and instead call 'scsi_done' directly from inside the
queuecommand_lck() functions.
Link: https://lore.kernel.org/r/20211007204618.2196847-14-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally reading across neighboring array fields.
pcmd->sense_buffer is 96 bytes, and was being manually zero-filled.
However, struct SENSE_DATA is 18 bytes, with ccb->arcmsr_cdb.SenseData only
being 15 bytes, resulting in a 3 byte over-read.
Copy only the contents of ccb->arcmsr_cdb.SenseData and zero fill the
remainder, avoiding potential over-reads.
Link: https://lore.kernel.org/r/20210616212428.1726958-1-keescook@chromium.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Originally the SCSI subsystem has been using 'special' SCSI status codes,
which were the SAM-specified ones but shifted by 1. As most drivers have
now been modified to use the SAM-specified ones, having two nearly
identical sets of definitions only causes confusion.
The Linux-specifed SCSI status codes have been marked obsolete for several
years so drop them and use the SAM-specified status codes throughout.
Link: https://lore.kernel.org/r/20210427083046.31620-41-hare@suse.de
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Replace the check for DRIVER_SENSE with a check for
scsi_status_is_check_condition().
Audit all callsites to ensure the SAM status is set correctly. For
backwards compability move the DRIVER_SENSE definition to sg.h, and update
sg, bsg, and scsi_ioctl to set the DRIVER_SENSE driver_status whenever
SAM_STAT_CHECK_CONDITION is present.
[mkp: fix zeroday srp warning]
Link: https://lore.kernel.org/r/20210427083046.31620-10-hare@suse.de
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
fix
It is possible for the IOP to be delayed in updating the doorbell
status. The doorbell status should not be 0 so loop until the value
changes.
Link: https://lore.kernel.org/r/afdfdf7eabecf14632492c4987a6b9ac6312a7ad.camel@areca.com.tw
Signed-off-by: ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Drivers should do only device-specific jobs. But in general, drivers using
legacy PCI PM framework for .suspend()/.resume() have to manage many PCI
PM-related tasks themselves which can be done by PCI Core itself. This
brings extra load on the driver and it directly calls PCI helper functions
to handle them.
Switch to the new generic framework by updating function signatures and
define a "struct dev_pm_ops" variable to bind PM callbacks. Also, remove
unnecessary calls to the PCI Helper functions along with the legacy
.suspend & .resume bindings.
Link: https://lore.kernel.org/r/20201102164730.324035-10-vaibhavgupta40@gmail.com
Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver calls pci_enable_wake(...., false) in arcmsr_resume(), and there
is no corresponding pci_enable_wake(...., true) in arcmsr_suspend().
Either it should do enable-wake the device in .suspend() or should not
invoke pci_enable_wake() at all.
Concluding that this driver doesn't support enable-wake and PCI core calls
pci_enable_wake(pci_dev, PCI_D0, false) during resume, drop it from
arcmsr_resume().
Link: https://lore.kernel.org/r/20201102164730.324035-9-vaibhavgupta40@gmail.com
Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
SCSI strings like inqdata are not NUL terminated.
Fixes the following W=1 kernel build warning(s):
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:16,
from drivers/scsi/arcmsr/arcmsr_hba.c:47:
In function ‘strncpy’,
inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3055:3:
include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function ‘strncpy’,
inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3053:3:
include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 16 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function ‘strncpy’,
inlined from ‘arcmsr_handle_virtual_command’ at drivers/scsi/arcmsr/arcmsr_hba.c:3051:3:
include/linux/string.h:297:30: warning: ‘__builtin_strncpy’ output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
include/linux/string.h:307:9: note: in expansion of macro ‘__underlying_strncpy’
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
Link: https://lore.kernel.org/r/20201102102544.1018706-1-lee.jones@linaro.org
Cc: support@areca.com.tw
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The set of core changes here is Christoph's submission path cleanups.
These introduced a couple of regressions when first proposed so they
got held over from the initial merge window pull request to give more
testing time, which they've now had and Syzbot has confirmed the
regression it detected is fixed. The other main changes are two
driver updates (arcmsr, pm80xx) and assorted minor clean ups.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull more SCSI updates from James Bottomley:
"The set of core changes here is Christoph's submission path cleanups.
These introduced a couple of regressions when first proposed so they
got held over from the initial merge window pull request to give more
testing time, which they've now had and Syzbot has confirmed the
regression it detected is fixed.
The other main changes are two driver updates (arcmsr, pm80xx) and
assorted minor clean ups"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (38 commits)
scsi: qla2xxx: Fix return of uninitialized value in rval
scsi: core: Set sc_data_direction to DMA_NONE for no-transfer commands
scsi: sr: Initialize ->cmd_len
scsi: arcmsr: Update driver version to v1.50.00.02-20200819
scsi: arcmsr: Add support for ARC-1886 series RAID controllers
scsi: arcmsr: Fix device hot-plug monitoring timer stop
scsi: arcmsr: Remove unnecessary syntax
scsi: pm80xx: Driver version update
scsi: pm80xx: Increase the number of outstanding I/O supported to 1024
scsi: pm80xx: Remove DMA memory allocation for ccb and device structures
scsi: pm80xx: Increase number of supported queues
scsi: sym53c8xx_2: Fix sizeof() mismatch
scsi: isci: Fix a typo in a comment
scsi: qla4xxx: Fix inconsistent format argument type
scsi: myrb: Fix inconsistent format argument types
scsi: myrb: Remove redundant assignment to variable timeout
scsi: bfa: Fix error return in bfad_pci_init()
scsi: fcoe: Simplify the return expression of fcoe_sysfs_setup()
scsi: snic: Simplify the return expression of svnic_cq_alloc()
scsi: fnic: Simplify the return expression of vnic_wq_copy_alloc()
...
According to LKP, commit 18bc435e0a ("scsi: arcmsr: Remove some set but
unused variables") can be furthered to remove the entire statement and not
just the unused variable read into.
Snipped LKP report:
config: x86_64-randconfig-m001-20200719
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
New smatch warnings:
drivers/scsi/arcmsr/arcmsr_hba.c:1490 arcmsr_done4abort_postqueue() warn: statement has no effect 8
drivers/scsi/arcmsr/arcmsr_hba.c:2459 arcmsr_hbaD_postqueue_isr() warn: statement has no effect 8
drivers/scsi/arcmsr/arcmsr_hba.c:3526 arcmsr_hbaD_polling_ccbdone() warn: statement has no effect 8
1a4f550a09 Nick Cheng 2007-09-13 1401 static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb)
1a4f550a09 Nick Cheng 2007-09-13 1402 {
[...]
18bc435e0a Lee Jones 2020-07-13 @1490 pmu->done_qbuffer[doneq_index & 0xFFF].addressHigh;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Delete this line.
[...]
Link: https://lore.kernel.org/r/20200721164148.2617584-2-lee.jones@linaro.org
Cc: support@areca.com.tw
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fixes the following W=1 kernel build warning(s):
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_remap_pciregion’:
drivers/scsi/arcmsr/arcmsr_hba.c:286:30: warning: variable ‘flags’ set but not used [-Wunused-but-set-variable]
286 | unsigned long addr, range, flags;
| ^~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_suspend’:
drivers/scsi/arcmsr/arcmsr_hba.c:1070:11: warning: variable ‘intmask_org’ set but not used [-Wunused-but-set-variable]
1070 | uint32_t intmask_org;
| ^~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_done4abort_postqueue’:
drivers/scsi/arcmsr/arcmsr_hba.c:1410:29: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
1410 | unsigned long ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_hbaD_postqueue_isr’:
drivers/scsi/arcmsr/arcmsr_hba.c:2448:36: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
2448 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function ‘arcmsr_hbaD_polling_ccbdone’:
drivers/scsi/arcmsr/arcmsr_hba.c:3498:36: warning: variable ‘cdb_phy_hipart’ set but not used [-Wunused-but-set-variable]
3498 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
Link: https://lore.kernel.org/r/20200713074645.126138-15-lee.jones@linaro.org
Cc: support@areca.com.tw
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
update changing all our txt files to rst ones. Excluding that, we
have the usual driver updates (qla2xxx, ufs, lpfc, zfcp, ibmvfc,
pm80xx, aacraid), a treewide update for scnprintf and some other minor
updates. The major core update is Hannes moving functions out of the
aacraid driver and into the core.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This series has a huge amount of churn because it pulls in Mauro's doc
update changing all our txt files to rst ones.
Excluding that, we have the usual driver updates (qla2xxx, ufs, lpfc,
zfcp, ibmvfc, pm80xx, aacraid), a treewide update for scnprintf and
some other minor updates.
The major core change is Hannes moving functions out of the aacraid
driver and into the core"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (223 commits)
scsi: aic7xxx: aic97xx: Remove FreeBSD-specific code
scsi: ufs: Do not rely on prefetched data
scsi: dc395x: remove dc395x_bios_param
scsi: libiscsi: Fix error count for active session
scsi: hpsa: correct race condition in offload enabled
scsi: message: fusion: Replace zero-length array with flexible-array member
scsi: qedi: Add PCI shutdown handler support
scsi: qedi: Add MFW error recovery process
scsi: ufs: Enable block layer runtime PM for well-known logical units
scsi: ufs-qcom: Override devfreq parameters
scsi: ufshcd: Let vendor override devfreq parameters
scsi: ufshcd: Update the set frequency to devfreq
scsi: ufs: Resume ufs host before accessing ufs device
scsi: ufs-mediatek: customize the delay for enabling host
scsi: ufs: make HCE polling more compact to improve initialization latency
scsi: ufs: allow custom delay prior to host enabling
scsi: ufs-mediatek: use common delay function
scsi: ufs: introduce common and flexible delay function
scsi: ufs: use an enum for host capabilities
scsi: ufs: fix uninitialized tx_lanes in ufshcd_disable_tx_lcc()
...
Call scsi_bios_ptable from scsi_partsize instead of requiring boilerplate
code in the callers. Also switch the calling convention to match that
of the ->bios_param instances calling this function, and use true/false
for the return value instead of the weird -1 convention.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This file had its own peculiar style, not following any other
files inside the Kernel (as far as I saw).
Had to do a number of changes here, starting by removing the two
leading asterisks from each line, adding table and literal
block markups and changing whitespace and blank lines.
The end result is that (IMHO), it is now a lot easier to read
it as a text file, while producing a good html output.
Link: https://lore.kernel.org/r/6f8e4da4ea643adbe048f55504a59427c5e50c97.1583136624.git.mchehab+huawei@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
From Ching Huang <ching2048@areca.com.tw>
For ACB_ADAPTER_TYPE_B controller, the read/write after hibernate and
resume may sometimes result in 'isr get an illegal ccb command' in
/var/log/messages. This patch fixes it.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
dma_zalloc_coherent will be phased out. Use dma_alloc_coherent instead.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Fix suspend/resume of ACB_ADAPTER_TYPE_B
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Separate 'set dma mask' as a function
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Add an option of set dma_mask_64 for ACB_ADAPTER_TYPE_A
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Update ACB_ADAPTER_TYPE_D for >4gb ccb addressing
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Update ACB_ADAPTER_TYPE_C for >4GB ccb addressing
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Update ACB_ADAPTER_TYPE_B for >4GB ccb addressing
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Update ACB_ADAPTER_TYPE_A for >4GB ccb addressing
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Merge arcmsr_alloc_io_queue to arcmsr_alloc_ccb_pool
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Rename arcmsr_free_mu to arcmsr_free_io_queue
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
From Ching Huang <ching2048@areca.com.tw>
Rename acb structure member roundup_ccbsize to ioqueue_size
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Most SCSI drivers want to enable "clustering", that is merging of
segments so that they might span more than a single page. Remove the
ENABLE_CLUSTERING define, and require drivers to explicitly set
DISABLE_CLUSTERING to disable this feature.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
