This is required by libaio. Previously, buffers were aligned to 512
bytes, but 4K devices need 4K-aligned buffers.
Change-Id: I96080e72dc77e0e72f426f7c9fe98b6724f66e1b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Several examples have a function to associate workers
with threads. Simplify that algorithm.
This seems to just shift some of the complexity
from register_workers down to main, but in the long
run the DPDK threading will get abstracted into
env as well and greatly simplify that part.
Change-Id: Ic106dde58fa5351a1ce0a058161b08062e121d3b
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
The SPDK fio plugin only supports jobs as threads, not separate
processes. So log an error and bail if --thread=1 is not
specified.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I318f924e0b7fbb76f11427a447dd7c5fc0ebc221
fgets guarantees that strings returned are NULL terminated,
so delete logic that attempts to insert a NULL terminator.
Change-Id: Ibeadcda9af431091b04daff41596d5738419b43f
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
The previous implementation tried to maintain a ring buffer of completed
I/O retrieved from ->getevents() that had not yet been retrieved by
->event(), but this is not necessary. None of the other FIO engines
implement this sort of ring buffer, and the only code that calls
->getevents() will always retrieve the full number of events via
->event() afterwards.
Instead, just count how many I/Os have been completed within each
->getevents() call in iocq_count, and reset iocq_count on each new
->getevents().
Change-Id: I2776c3a5c89a0d2b24478328bc138ff7a9fb5bdd
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
SPDK_COUNTOF works like sizeof, except it returns the number of elements
in an array instead of the number of bytes.
Change-Id: I38ff4dd3485ed9b630cc5660ff84851d0031911f
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Since we know the queue depth that we will be using during the test,
request that as the queue size when attaching to NVMe controllers.
Reserve one extra queue entry above the expected queue depth since NVMe
queues must always have one entry free to distinguish between queue
empty and queue full cases.
Change-Id: I809982207edb4894148aec09b10c4e2de4a040d3
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
By default, all SPDK applications will not share memory.
To share memory, start the applications with the same
shared memory id.
Change-Id: Ib6180369ef0ed12d05983a21d7943e467402b21a
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Map the DPDK hugepage virtual address space to an area that should not
interfere with randomized mmap() addresses.
Change-Id: Iffc657858f861fc1316f77b68f9f121167d604b1
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This allows the user to connect to multiple remote NVMe-oF targets or to
specify multiple specific PCIe device addresses to test.
Change-Id: I05b2072b8aa1480891b37b17b5207369344b617d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Currently we use the pci functions provided by DPDK,
it identifies the device by class id related
info but not by pci bdf info, so we can add the filering
by pci_addr in pcie_nvme_enum_cb function.
Change-Id: I5942e98853f00fc10fa6aae5c113517653d1b357
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
The memory allocation is based on user specified queue depth,
number of attached active namespaces(aio files) and number of
cores involved in the IO operations.
Change-Id: I370b9fdacc1bb40d110bec7e96adac2424d39431
Signed-off-by: GangCao <gang.cao@intel.com>
Also do some cleanups in parse_args to fix and
optimize the logic.
Change-Id: If00929f45a89be820f2c60e6532f068f9d6abc3b
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
They were very close to the same already, so finish the job.
Change-Id: Ifba9e3b2d11a3e70cbfbe46f57a67552db2757ed
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This patch will make sure the information will show up
on console immediately.
Change-Id: I0080866a40de35fb9deef840551ff212759b0191
Signed-off-by: Cunyin Chang <cunyin.chang@intel.com>
This isn't used yet in the NVMe library, but it will be necessary later
for supporting non-IPv4 addresses.
Change-Id: I167ce63ad25b0e0c9aa192b12d764c8d078e67f9
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
The probe_info was reduced to just containing a
transport_id, so remove probe_info entirely.
Change-Id: Ica9a22d126cd14e282decd3eea1a0afe0460f099
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This can be obtained by parsing traddr into a pci_addr,
then getting a handle to the pci_dev and asking for all
of the pci information.
Change-Id: I1948cbd3ec65611293192ef5558ace19dd444d4c
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Instead of repeating the fields, just embed a transport_id.
Change-Id: I282704c9d59784abd5f7c93be4e47c673fcf6dde
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This is a small step toward making discovery more like
scanning a local PCI bus.
Change-Id: Ie7149ad060f2eeb56939b1241187bdf09681f2aa
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
The usage help is already printed when an invalid parameter is specified
or when requested with -h.
Change-Id: If4201ee868106f99084436971763bb7e5e87ede0
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This example should show how to use the hotplug features of the NVMe
library API. It doesn't need to measure performance or allow lots of
unrelated options.
For now, the hotplug example will run everything (I/O and hotplug
probes) on a single thread. The current code has lots of thread safety
problems. A real application implementing hotplug would likely call
spdk_nvme_probe() on one core and pass remove and add notifications
to other cores via the event framework or another cross-thread
synchronization mechanism.
Change-Id: Id6df39812ef53383edc8ab9edb4cc3540fcb16c0
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
The discover and probe 'nqn' fields are subsystem NQNs, so name them
subnqn to be consistent with the spec and the rest of the code and to
distinguish them from host NQNs.
Change-Id: I4a80fbc1f4b037c8a4f91c8f28d2a96e47c66c47
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Use the NVMe over Fabrics spec definitions for TRTYPE rather than the
internal library transport type.
Change-Id: Idead559a8f8d95274fc580d10e82033822e6eda8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This enables some future Makefile simplifications.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I071b32fbb695b74880c9659558d9653d3a904c10
Also clean up the PCI address output to be consistent with tools like
lspci.
Change-Id: I41f704943a1297379a7ad71cdc9ee9508b5235f5
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
- Make the usage columns line up
- Fix the wording of the usage messages
- Fix the getopt() string for -x, which has no argument
- Use the default discovery NQN if none specified
- Use the nvmf_spec.h #define for max NQN length
Change-Id: I88608ead57d1bee46738ba05dc2074230d22be0d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Make it easier to use SPDK libraries by putting them all in a single
directory that can be added with -L rather than scattered around the
source tree.
Change-Id: I5c0f5dd6e7058b5f92fa9bc41548190ffc064761
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
