With all callbacks converted, and the timer callback prototype
switched over, the TIMER_FUNC_TYPE cast is no longer needed,
so remove it. Conversion was done with the following scripts:
perl -pi -e 's|\(TIMER_FUNC_TYPE\)||g' \
$(git grep TIMER_FUNC_TYPE | cut -d: -f1 | sort -u)
perl -pi -e 's|\(TIMER_DATA_TYPE\)||g' \
$(git grep TIMER_DATA_TYPE | cut -d: -f1 | sort -u)
The now unused macros are also dropped from include/linux/timer.h.
Signed-off-by: Kees Cook <keescook@chromium.org>
This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, pm80xx, mpt3sas, be2iscsi, hpsa. and a host of minor
updates.
There's no major behaviour change or additions to the core in all of
this, so the potential for regressions should be small (biggest
potential being in the scsi error handler changes).
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.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 is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas,
megaraid_sas, pm80xx, mpt3sas, be2iscsi, hpsa. and a host of minor
updates.
There's no major behaviour change or additions to the core in all of
this, so the potential for regressions should be small (biggest
potential being in the scsi error handler changes)"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (203 commits)
scsi: lpfc: Fix hard lock up NMI in els timeout handling.
scsi: mpt3sas: remove a stray KERN_INFO
scsi: mpt3sas: cleanup _scsih_pcie_enumeration_event()
scsi: aacraid: use timespec64 instead of timeval
scsi: scsi_transport_fc: add 64GBIT and 128GBIT port speed definitions
scsi: qla2xxx: Suppress a kernel complaint in qla_init_base_qpair()
scsi: mpt3sas: fix dma_addr_t casts
scsi: be2iscsi: Use kasprintf
scsi: storvsc: Avoid excessive host scan on controller change
scsi: lpfc: fix kzalloc-simple.cocci warnings
scsi: mpt3sas: Update mpt3sas driver version.
scsi: mpt3sas: Fix sparse warnings
scsi: mpt3sas: Fix nvme drives checking for tlr.
scsi: mpt3sas: NVMe drive support for BTDHMAPPING ioctl command and log info
scsi: mpt3sas: Add-Task-management-debug-info-for-NVMe-drives.
scsi: mpt3sas: scan and add nvme device after controller reset
scsi: mpt3sas: Set NVMe device queue depth as 128
scsi: mpt3sas: Handle NVMe PCIe device related events generated from firmware.
scsi: mpt3sas: API's to remove nvme drive from sml
scsi: mpt3sas: API 's to support NVMe drive addition to SML
...
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly. This requires adding a pointer to
hold the timer's target task, as there isn't a link back from slow_task.
Cc: John Garry <john.garry@huawei.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Jack Wang <jinpu.wang@profitbricks.com>
Cc: lindar_liu@usish.com
Cc: Jens Axboe <axboe@fb.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Benjamin Block <bblock@linux.vnet.ibm.com>
Cc: Baoyou Xie <baoyou.xie@linaro.org>
Cc: Wei Yongjun <weiyongjun1@huawei.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Acked-by: John Garry <john.garry@huawei.com> # for hisi_sas part
Tested-by: John Garry <john.garry@huawei.com> # basic sanity test for hisi_sas
Reviewed-by: Jack Wang <jinpu.wang@profitbricks.com>
Add support for servicing AXI errors handling. We do a host controller
reset for such errors.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add support for processing AXI bus fatal errors.
If AXI bus fatal error happen, do controller reset to recover.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The CQ event is handled in tasklet context, and it could be delayed if
the system loading is high.
It is possible to run into some problems when executing a host reset
when cq_tasklet_vx_hw() is being executed.
So, prior to host reset, execute tasklet_kill() to ensure that all CQ
tasklets are complete.
Besides, as the function hisi_sas_wait_tasklets_done() is added to do
tasklet_kill(), this patch refactors some code where tasklet_kill() is
used.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use completion to wait on ITCT CLR interrupt finishing before
processing other things when freeing a device.
This is safer than the pre-existing process of polling the register.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add init code of hisi_hba->rst_work for v3 hw. Because v3 hw also need
it to recover controller when some hw errors occurs.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Realise get_events() to add DFX feature for v3 hw. Just like v2 hw, We
support the following errors:
- loss_of_dword_sync_count
- invalid_dword_count
- phy_reset_problem_count
- running_disparity_error_count
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add initialization of register CON_CFG_DRIVER for v3 hw, to limit
number of the times of setup connection.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We should check register PHY_STATE when getting the bitmap of a
wideport, as, if the PHY is not ready, the value of register
PHY_PORT_NUM_MA is not valid.
V2 hw has done this check, and v3 hw should do this check too.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The code to print AXI errors in v2 hw driver is repetitive.
This patch condenses the code by looping an array of errors.
Also, a formatting error in one_bit_ecc_errors[] and
multi_bit_ecc_errors[] is fixed.
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The function hisi_sas_slot_task_free() is used to free the slot and do
tidy-up of LLDD resources. The LLDD generally should know the state of
a slot and decide when to free it, and it should only be done once.
For some scenarios, we really don't know the state, like when TMF
timeout. In this case, we check task->lldd_task before calling
hisi_sas_slot_task_free().
However, we may miss some scenarios when we should also check
task->lldd_task, and it is not SMP safe to check task->lldd_task as we
don't protect it within spin lock.
This patch is to fix this risk of freeing slot twice, as follows:
1. Check task->lldd_task in the hisi_sas_slot_task_free(), and give
up freeing of this time if task->lldd_task is NULL.
2. Set slot->buf to NULL after it is freed.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds a NULL check of task->lldd_task before freeing the
slot in SMP path.
This is to guard against the scenario of the slot being freed during
the from the preceding internal abort.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When a PHY_FUNC_LINK_RESET is issued, we need to fill the transport
identify_frame to SAS controller before the PHYs are enabled.
Without this, we may find that if a PHY which belonged to a wideport
before the reset may generate a new port id.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently the size of memory we allocate for SATA breakpoint buffer is
incorrect.
The breakpoint memory size should be as follows: 32 (NCQ tags) * 128 *
2048 (max #devs) = 8MB
Currently we only allocate 0.5MB, but get away with it as we never
have SATA device index > 128 typically.
To conserve precious DMA memory (8MB may not be even available), limit
the number of devices per HBA to 1024, which means 4MB of memory
required for SATA breakpoint.
The 1024 device limit applied to all HW versions. For v3 hw, we need
to configure this value.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When adding/removing slots from device list, we need to lock this
operation with hisi_hba lock for safety.
This patch adds missing instances of this.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We used spin_lock() to grab hisi_hba.lock in two places where
spin_lock_irqsave() should be used, as hisi_hba.lock can be taken in
interrupt context.
This patch is to fix this.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When an internal abort times out in hisi_sas_internal_task_abort(),
goto the exit label in and not go through the other task status
checks.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
We already relocated hisi_sas_get_ncq_tag() into common file main.c,
so delete get_ncq_tag_v3_hw() and use hisi_sas_get_ncq_tag() instead.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove unused variable sas_ha to clean up build warning
"unused variable sas_ha [-Wunused-variable]"
Fixes: 042ebd293b ("scsi: libsas: kill useless ha_event and do some cleanup")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The ha_event now has only one event HAE_RESET, and this event does
nothing. Kill it and do some cleanup.
This is a preparation for enhance libsas hotplug feature in the next
patches.
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
CC: Johannes Thumshirn <jthumshirn@suse.de>
CC: Ewan Milne <emilne@redhat.com>
CC: Christoph Hellwig <hch@lst.de>
CC: Tomas Henzl <thenzl@redhat.com>
CC: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The bus reset handler is calling I_T Nexus reset, which logically is a
target reset as it need to specify both the initiator and the target.
So move it to target reset.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The driver version is not updated with changes to the driver, so it has
no value, so just get rid of it.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Instances of kfree(shost) should be replaced with scsi_host_put().
In addition, a missing scsi_host_put() is added for error path in
hisi_sas_shost_alloc_pci() and v3 driver removal.
Signed-off-by: Pan Bian <bianpan2016@163.com> # For main.c changes
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Variable res only holds value 0, so remove it.
This cleans up a coccicheck warning.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add function to set linkrate for v3 hw.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch updates some register setting according to recommendation
from HW designer and experiment.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Use ACPI "_RST" method to reset the controller, since FLR is not
supported.
Function hisi_sas_stop_phys() is introduced to remove some code
duplication.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds calls to kill CQ takslets v3 hw during probe failure.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The channel interrupt is to process all the interrupts except PHY
UP/DOWN and broadcast interrupt. So we need to clear all the interrupts
except those 3 interrupts after processing channel interrupts.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Modify STP link timer from 10ms to 500ms. Also add the register address.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
For v3 hw, internal abort function required status and command buffer to
be set, so add necessary code for this.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add two ATA commands, ATA_CMD_ZAC_MGMT_IN and ATA_CMD_ZAC_MGMT_OUT in
hisi_sas_get_ata_protocol(), to support SATA SMR disk.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch is a fix related to freeing a device in v2 hw driver.
Before, we polled to ITCT CLR interrupt to check if a device is free.
This was error prone, as if the interrupt doesn't occur in 10us, we miss
processing it.
To avoid this situation, service this interrupt and sync the event with
a completion.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch adds support to clean-up allocated IRQs and kill tasklets
when probe fails and for driver removal.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch removes some repeated configurations:
(1) The device id of the device is already set in the alloc function, so
we don't need to modify in free device function.
(2) Field dev_type and dev_status are configured in hisi_sas_dev_gone(),
so there is no need for repeated config in free_device_v3_hw.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The code to print ECC errors in v2 hw driver is very repetitive. This
patch condensed the code by looping an array of errors.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Shiju Jose <shiju.jose@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add DFX feature for v2 hw. We are adding support for
the following errors:
- loss_of_dword_sync_count
- invalid_dword_count
- phy_reset_problem_count
- running_disparity_error_count
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The value dw0 is the residual bytes when UNDERFLOW error happens, but we
filled the residual with the value of dw3 before. So change the residual
from dw3 to dw0.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
When some interrupts happen together, we need to process every interrupt
one-by-one, and should not return immediately when one interrupt process
is finished being processed.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This patch provides fixes for the following issues:
1. Fix issue of controller reset required to send commands. For reset
process, it may be required to send commands to the controller, but
not during soft reset. So add HISI_SAS_NOT_ACCEPT_CMD_BIT to prevent
executing a task during this period.
2. Send a broadcast event in rescan topology to detect any topology
changes during reset.
3. Previously it was not ensured that libsas has processed the PHY up
and down events after reset. Potentially this could cause an issue
that we still process the PHY event after reset. So resolve this by
flushing shot workqueue in LLDD reset.
4. Port ID requires refresh after reset. The port ID generated after
reset is not guaranteed to be the same as before reset, so it needs
to be refreshed for each device's ITCT.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Don't populate various tables on the stack but make them static const.
Makes the object code smaller by over 280 bytes:
Before:
text data bss dec hex filename
39887 5080 64 45031 afe7 hisi_sas_v2_hw.o
After:
text data bss dec hex filename
39318 5368 64 44750 aece hisi_sas_v2_hw.o
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Currently we allocate 3 sets of DMA memories from separate pools for
each slot. This is inefficient in terms of memory usage
(buffers are less than 1 page in size, so we lose due to alignment),
and also time spent in doing 3 allocations + de-allocations per slot,
instead of 1.
To optimise, combine the 3 DMA buffers into a single buffer from a
single pool.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Element phy_type is a bitmask and it only ever has 2 bits possibly set,
and it is overkill to define as a u64, so redefine as a u32.
This change resolves static code check complaint that "phy->phy_type &=
~PORT_TYPE_SAS;" would unintentionally clear the high 32 bits as well.
Structure hisi_sas_phy is also reordered to ensure packing efficiency.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
There is a change for abort dev for v3 hw: add registers to configure
unaborted iptt for a device, and then inform this to logic.
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add code to fill the interface of phy_hard_reset, phy_get_max_linkrate,
and phy enable/disable.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add code for interface get_wideport_bitmap.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add code to prepare internal abort command.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Add code to itct setup and free for v3 hw.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
