To reflect configured antenna settings in HT/VHT MCS map,
reload the HT/VHT capabilities upon antenna change.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Move HT and VHT capabiltity setup static functions to avoid
forward declaration.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
HT/VHT MCS rateset should be filled only for configured chainmask
rather that max supported chainmask. Fix that by checking configured
chainmask while filling HT/VHT MCS rate map.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Removing supported chainmask fields as it can be always derived
from num_rf_chains.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
For the messages from host to target, shadow copy of CE descriptors
are maintained in source ring. Before writing actual CE descriptor,
first shadow copy is filled and then it is copied to CE address space.
To optimize in download path and to reduce d-cache pressure, removing
shadow copy of CE descriptors. This will also reduce driver memory
consumption by 33KB during on device probing.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The physical address necessary to unmap DMA ('bufferp') is stored
in ath10k_skb_cb as 'paddr'. ath10k doesn't rely on the meta/transfer_id
when handling send completion (htc ep id is stored in sk_buff control
buffer). So the unused output arguments {bufferp, nbytesp and transfer_idp}
are removed from CE send completion. This change is needed before removing
the shadow copy of copy engine (CE) descriptors in follow up patch.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
CE diag window access is serialized (it has to be by design) so
there's no way to get a different send completion. so there's no
need for post completion validation.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Currently to avoid uncached memory access while filling up copy engine
descriptors, shadow descriptors are used. This can be optimized further
by removing shadow descriptors. To achieve that first shadow ring
dependency in ce_send is removed by creating local copy of the
descriptor on stack and make a one-shot copy into the "uncached"
descriptor.
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This patch adds support for getting firmware debug stats in 10.4 fw.
Signed-off-by: Manikanta Pubbisetty <c_mpubbi@qti.qualcomm.com>
Signed-off-by: Tamizh chelvam <c_traja@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Add WMI-TLV and FW API support in ath10k testmode.
Ath10k can get right wmi command format from UTF image
to communicate UTF firmware.
Signed-off-by: Alan Liu <alanliu@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When card is running with DDR mode, dwmmc needs to set DDR_REG bit at
UHS_REG register.
Before this patch, dwmmc controller doesn't consider this.
If this patch is not applied, CRC or other error shoulds be occurred.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
According to DesignWare DoC file, CardThreshold bit should be
bit[27:16].
So it's correct to use (0xFFF << 16), not (0x1FFF << 16).
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The "host->dms->ch" pointer is NULL here so we can't use it to print the
error message.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
User visible:
- Enable per-event perf_event_attr.inherit setting by config terms, i.e.
this becomes possible:
$ perf record -e cycles/inherit/ -e instructions/no-inherit/
This affects the default, that can be changed globally using the --no-inherit
option.
This fine grained control appeared in the eBPF patchkit, but this added
flexibility may end up being useful in other scenarios (Wang Nan)
- Setup pager when printing usage and help, we have long lists of options,
better use the pager like we do with normal tooling output, i.e. when needed,
and including any error messages in the paged output (Namhyung Kim)
- Search for more options when passing args to -h, e.g.: (Arnaldo Carvalho de Melo)
$ perf report -h interface
Usage: perf report [<options>]
--gtk Use the GTK2 interface
--stdio Use the stdio interface
--tui Use the TUI interface
- Fix reading separate debuginfo files based on a build-id, problem
found on a Debian system (Dima Kogan)
- Fix endless loop when splitting kallsyms symbols per section for
handling kcore files, problem found on a s390x system (Jiri Olsa)
Infrastructure:
- Prep work for the 'perf stat record' work that will allow generating
perf.data files with counting data in addition to the sampling mode
we have now (Jiri Olsa)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
User visible changes:
- Enable per-event perf_event_attr.inherit setting by config terms, i.e.
this becomes possible:
$ perf record -e cycles/inherit/ -e instructions/no-inherit/
This affects the default, that can be changed globally using the --no-inherit
option.
This fine grained control appeared in the eBPF patchkit, but this added
flexibility may end up being useful in other scenarios. (Wang Nan)
- Setup pager when printing usage and help, we have long lists of options,
better use the pager like we do with normal tooling output, i.e. when needed,
and including any error messages in the paged output. (Namhyung Kim)
- Search for more options when passing args to -h, e.g.: (Arnaldo Carvalho de Melo)
$ perf report -h interface
Usage: perf report [<options>]
--gtk Use the GTK2 interface
--stdio Use the stdio interface
--tui Use the TUI interface
- Fix reading separate debuginfo files based on a build-id, problem
found on a Debian system. (Dima Kogan)
- Fix endless loop when splitting kallsyms symbols per section for
handling kcore files, problem found on a s390x system. (Jiri Olsa)
Infrastructure changes:
- Prep work for the 'perf stat record' work that will allow generating
perf.data files with counting data in addition to the sampling mode
we have now (Jiri Olsa)
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The first generation of Open-Channel SSDs is based on NVMe. The NVMe
driver is extended with support for the LightNVM command set.
Detection is made through PCI IDs. Current supported devices are the
qemu nvme simulator and CNEX Labs Westlake SSD. The qemu nvme enables
support through vendor specific bits in the namespace identification and
the CNEX Labs Westlake SSD implements a LightNVM compatible firmware and
is detected using the same method as qemu.
After detection, vendor specific codes are used to identify the device
and enumerate supported features.
Reviewed-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Javier González <jg@lightnvm.io>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
It may happen (kdump), that an interrupt is invoked just after the
setup_irqs function was called but before the tasklet was initialised.
At this phase the hw ints should have been disabled, but for unknown
reason this mechanism seems to not work properly.
From: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This target allows an Open-Channel SSD to be exposed asas a block
device.
It implements a round-robin approach for sector allocation,
together with a greedy cost-based garbage collector.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
The implementation for Open-Channel SSDs is divided into media
management and targets. This patch implements a generic media manager
for open-channel SSDs. After a media manager has been initialized,
single or multiple targets can be instantiated with the media managed as
the backend.
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Open-channel SSDs are devices that share responsibilities with the host
in order to implement and maintain features that typical SSDs keep
strictly in firmware. These include (i) the Flash Translation Layer
(FTL), (ii) bad block management, and (iii) hardware units such as the
flash controller, the interface controller, and large amounts of flash
chips. In this way, Open-channels SSDs exposes direct access to their
physical flash storage, while keeping a subset of the internal features
of SSDs.
LightNVM is a specification that gives support to Open-channel SSDs
LightNVM allows the host to manage data placement, garbage collection,
and parallelism. Device specific responsibilities such as bad block
management, FTL extensions to support atomic IOs, or metadata
persistence are still handled by the device.
The implementation of LightNVM consists of two parts: core and
(multiple) targets. The core implements functionality shared across
targets. This is initialization, teardown and statistics. The targets
implement the interface that exposes physical flash to user-space
applications. Examples of such targets include key-value store,
object-store, as well as traditional block devices, which can be
application-specific.
Contributions in this patch from:
Javier Gonzalez <jg@lightnvm.io>
Dongsheng Yang <yangds.fnst@cn.fujitsu.com>
Jesper Madsen <jmad@itu.dk>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
Do not use PAGE_SIZE marco to calculate max_sectors per I/O
request. Driver code assumes PAGE_SIZE will be always 4096 which can
lead to wrongly calculated value if PAGE_SIZE is not 4096. This issue
was reported in Ubuntu Bugzilla Bug #1475166.
Cc: <stable@vger.kernel.org>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Remove PCI id based checks and use instance->ctrl_context to decide
whether controller is MFI-based or a Fusion adapter. Additionally,
Fusion adapters are divided into two categories: Thunderbolt and
Invader.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
when checking for the value of the shunt resistor.
Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Any sysfs "show" read access from the client app will result in reading
all registers (8 with ina226). Depending on the host this can limit the
best achievable read rate.
This changeset allows for individual register accesses through regmap.
Tested with BeagleBone Black (Baylibre-ACME) and ina226.
Signed-off-by: Marc Titinger <mtitinger@baylibre.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Some of these code changes were proposed by David Binderman.
Removed redudant check of requestorId. Redundant condition:
instance.requestorId. Check for plasma firmware 1.11 are now
restructured to support only specific device id.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Syncro firmware supports round robin I/O switching on dual path. Driver
uses validHandles to check for dual path. However, it is supposed to
check for values > 1 (not > 2).
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Print firmware events in human-readable form. This will help users track
any critical firmware events without special application support.
Sample syslogd output:
megaraid_sas 0000:02:00.0: 8619 (491648347s/0x0020/WARN) - Controller temperature threshold exceeded. This may indicate inadequate system cooling. Switching to low performance mode.
The format of logged events is:
"<pci_dev_id>: <sequence_number> (<timestamp>/<locale>/<class>) - <description>"
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Fix the issue reported at:
http://marc.info/?l=linux-scsi&m=143694494104544&w=2
Try to do chip reset at driver load time. If firmware fails to reach
ready state, try chip reset using adp_reset() callback. For Fusion
adapters the call back was previously void. Provide a suitable reset
function.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Driver will expose max sge = 256 (earlier it was 64) if firmware
supports extended IO size (1M).
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Implemented JBOD map which will provide quick access for JBOD path and
also provide sequence number. This will help hardware to fail command
to the FW in case of any sequence mismatch.
Fast Path I/O for JBOD will refer JBOD map (which has sequence number
per JBOD device) instead of RAID map. Previously, the driver used RAID
map to get device handle for fast path I/O and this not have sequence
number information. Now, driver will use JBOD map instead. As part of
error handling, if JBOD map is failed/not supported by firmware, driver
will continue using legacy behavior.
Now there will be three IO paths for JBOD (syspd):
- JBOD map with sequence number (Fast Path)
- RAID map without sequence number (Fast Path)
- FW path via h/w exception queue deliberately setup devhandle
0xFFFF (FW path).
Relevant data structures:
- Driver send new DCMD MR_DCMD_SYSTEM_PD_MAP_GET_INFO for this purpose.
- struct MR_PD_CFG_SEQ- This structure represent map of single physical
device.
- struct MR_PD_CFG_SEQ_NUM_SYNC- This structure represent whole JBOD
map in general(size, count of sysPDs configured, struct MR_PD_CFG_SEQ
of syspD with 0 index).
- JBOD sequence map size is: sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC)
+ (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1)) which
is allocated while setting up JBOD map at driver load time.
Signed-off-by: Sumit Saxena <sumit.saxena@avagotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@avagotech.com>
Reviewed-by: Martin Petersen <martin.petersen@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
css_task_iter_next() checked @it->cur_task before grabbing
css_set_lock and assumed that the result won't change afterwards;
however, tasks could leave the cgroup being iterated terminating the
iterator before css_task_lock is acquired. If this happens,
css_task_iter_next() tries to calculate the current task from NULL
cg_list pointer leading to the following oops.
BUG: unable to handle kernel paging request at fffffffffffff7d0
IP: [<ffffffff810d5f22>] css_task_iter_next+0x42/0x80
...
CPU: 4 PID: 6391 Comm: JobQDisp2 Not tainted 4.0.9-22_fbk4_rc3_81616_ge8d9cb6 #1
Hardware name: Quanta Freedom/Winterfell, BIOS F03_3B08 03/04/2014
task: ffff880868e46400 ti: ffff88083404c000 task.ti: ffff88083404c000
RIP: 0010:[<ffffffff810d5f22>] [<ffffffff810d5f22>] css_task_iter_next+0x42/0x80
RSP: 0018:ffff88083404fd28 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88083404fd68 RCX: ffff8804697fb8b0
RDX: fffffffffffff7c0 RSI: ffff8803b7dff800 RDI: ffffffff822c0278
RBP: ffff88083404fd38 R08: 0000000000017160 R09: ffff88046f4070c0
R10: ffffffff810d61f7 R11: 0000000000000293 R12: ffff880863bf8400
R13: ffff88046b87fd80 R14: 0000000000000000 R15: ffff88083404fe58
FS: 00007fa0567e2700(0000) GS:ffff88046f900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffff7d0 CR3: 0000000469568000 CR4: 00000000001406e0
Stack:
0000000000000246 0000000000000000 ffff88083404fde8 ffffffff810d6248
ffff88083404fd68 0000000000000000 ffff8803b7dff800 000001ef000001ee
0000000000000000 0000000000000000 ffff880863bf8568 0000000000000000
Call Trace:
[<ffffffff810d6248>] cgroup_pidlist_start+0x258/0x550
[<ffffffff810cf66d>] cgroup_seqfile_start+0x1d/0x20
[<ffffffff8121f8ef>] kernfs_seq_start+0x5f/0xa0
[<ffffffff811cab76>] seq_read+0x166/0x380
[<ffffffff812200fd>] kernfs_fop_read+0x11d/0x180
[<ffffffff811a7398>] __vfs_read+0x18/0x50
[<ffffffff811a745d>] vfs_read+0x8d/0x150
[<ffffffff811a756f>] SyS_read+0x4f/0xb0
[<ffffffff818d4772>] system_call_fastpath+0x12/0x17
Fix it by moving the termination condition check inside css_set_lock.
@it->cur_task is now cleared after being put and @it->task_pos is
tested for termination instead of @it->cset_pos as they indicate the
same condition and @it->task_pos is what's being dereferenced.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Calvin Owens <calvinowens@fb.com>
Fixes: ed27b9f7a1 ("cgroup: don't hold css_set_rwsem across css task iteration")
Acked-by: Zefan Li <lizefan@huawei.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
No ULP uses it anymore, go ahead and remove it.
Keep only the local invalidate part of the handlers.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Doug Ledford <dledford@redhat.com>
The new fast registration API does not reuqire a page vector
so we can't avoid allocating it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Instead of constructing a page list, call ib_map_mr_sg
and post a new ib_reg_wr. srp_map_finish_fr now returns
the number of sg elements registered.
Remove srp_finish_mapping since no one is calling it.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Tested-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
