Change-Id: I709d0d9fb674e1276124290113d52695f2679d90
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/364326
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: I25a6374a4485829c0509b7e820f345c74bb1fda7
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/363488
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Also update the example fio file
Change-Id: I2a9074d524072e95340cc0e87041e87e3bb7d4f8
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-on: https://review.gerrithub.io/362069
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This is more reliable than checking for the DPDK generated
/var/run/*config file, and is not DPDK dependent.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iadaba1c715e6fe2aafd7375831961b79ae31714a
Reviewed-on: https://review.gerrithub.io/362628
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
The stub application will ensure that each
iSCSI test does not need to reinitialized DPDK
memory and NVMe devices. This drastically
cuts down on the amount of time needed to run
all of the iscsi_tgt tests.
While here, add a new common ISCSI_TEST_CORE_MASK
shell variable, eliminating a bunch of copies of
the 0xFFFF core mask, and ensuring the stub application
chooses a core mask that overlaps all of the iscsi_tgt
test cases.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ifae73276923258ff64370ae42e19cf1a4a2c2212
Reviewed-on: https://review.gerrithub.io/362454
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Update readme files and startup scripts
Change-Id: Ia42269d04db9e9338f6adcaaae0d0d44c18e0e5c
Signed-off-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/362257
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Change-Id: I01b3e9243674b349dda42df896f7332d168f940f
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/362390
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Adding group write permission is needed in case of using vfio
driver and using libvirtd for vm provisioning to avoid
permission errors.
Change-Id: I5348e74c65bd8639071c1a2a164f28849dde9678
Signed-off-by: Karol Latecki <karolx.latecki@intel.com>
Added new rpc commands together with underlying vhost API and tests.
Change-Id: Ib9c6a530d0909193ea5115aaac4920c44f39613c
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
This will allow a git clone to default to an SPDK-specific
version of the DPDK repository. Users can still override
to use a separate DPDK repository/installation with the
--with-dpdk configure script options.
While here, remove gzip option for the git-archive operations
in autopackage.sh. We need to add a git-archive for the DPDK
submodule if we are using it, and compressing at -9 adds a lot
of unnecessary time. Since we are not archiving these packages,
there is no need to compress them. Also explicitly disable
coverage and ubsan for the autopackage build, since this build
is only to test compilation and is not actually used for any
test execution.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I3cf8a2ed984003a175cdece6542636ede8cb2479
Also change the discovery/nvmf.sh test to use it.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I56bce9a84bd46f13b6d4f34da81abf23413f2598
FreeBSD clang prepends "FreeBSD" before clang in the
version string, so further fixes are needed.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I7bfc37322483b97443985f1103ff753d1b18a87a
Even if we detect that $CC and $CXX are different types, we should
continue so that mk/cc.mk is still generated.
Change-Id: I551e2d9149ea982d3c9973dfc5f2557f12fbc337
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Some compilers will emit version info with a --with-pkgversion
parameter. So grep for "version" with -w.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I7bfc37322483b97443985f1103ff753d1b18a879
Change-Id: I9546d715b8d2ca3ebf46183bdbaa58e8aa921d95
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This will be decoupled from the build to start. Next
patches will modify this code to prepare it for use with
SPDK vhost-scsi. The final patch will replace the existing
v17.02-based code with this version, and make the necessary
SPDK vhost changes to use it.
This enables to better track the differences between upstream
DPDK and our internal copy, while not breaking the build at
any point in the git history.
While here, expand the POSIX include file check to exclude
any directory starting with lib/vhost/rte_vhost (which would
include this new directory).
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Icf1202c1b7a898edff12aa226943a08b578cf962
Only filter the type of commenting misformat that the
vhost code actually violates currently.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Ia7e978fc68fd81955a0b384e30b33fefa6124ce1
Scan the source for POSIX includes outside of the
allowed locations in check_format.sh. This only
tests for POSIX headers - not Linux Standards Base.
Also, fix one bug that was caught by this addition.
Change-Id: Ib0ca93fe6ac552dc49d95b27b4803e40282027e8
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Fix up the existing comment blocks misaligned in the first column.
Also add line numbers to the comment checks.
Change-Id: I9d28c365271df36e7013d74cbb02d0023ab4f581
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Fix up all existing spacing errors in comments and add an automated
check for patterns like /*comment*/.
Change-Id: I28f61c93612dc0f8aed66bd509da78e91ea9737e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Add a configure script in the root of the repository
that looks and feels like one that would be generated
by autotools. This script simply generates a CONFIG
file for you, which used to be done by hand.
Now to build SPDK you can do the following:
./configure --with-dpdk=path
make
Change-Id: I44ebb91f0cb1468b86da4c0033ac1406595d4967
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Rather than re-running setup.sh during the vhost tests, just
pre-configure NRHUGE to the necessary value for all setup.sh invocations
during autotest.
Change-Id: I1a4d9a7f7ab52082a8f626c3c64807417a493b5f
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
If we created /mnt/huge due to no hugetlbfs mount point existing, we
should also use that path in the chown step for VFIO.
Change-Id: I11614a67b16dbda6626b9adf58d8faea10205cab
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Match the default FreeBSD core file location as well as the Linux one.
Change-Id: I4c9803d314e89dc7982682c145a83e41dc9027e4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
The user now must choose the name for each AIO bdev. This
provides consistency for names across restarts.
Change-Id: I13ced1d02bb28c51d314512d60f739499b0c7d8d
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Names for the NVMe bdevs are now assigned by the user.
This means the same name will always be assigned to the
same device, even across restarts.
Change-Id: If9825ec9abcb5236b4671bc44a825e4f0d704fe3
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
All devices must be specified by BDF. Add support for scripts
to use lspci to grab the available NVMe device BDFs for the
current machine.
Change-Id: I4a53b335e3d516629f050ae1b2ab7aff8dd7f568
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Move claimed flag to struct spdk_scsi_lun and remove RPC call that allow
SCSI LUN to be deleted by user.
Change-Id: I0fe57d33ab017816ab4799bce259807735e0c783
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Line number regex match all numbers starting from X eg:
10 will match 100 101 102... Fix this by adding space to regex.
Change-Id: Id594550618fea74a22f50033eac101439253a371
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
This patch adds a library, application and test scripts for extending
SPDK to present virtio-scsi controllers to QEMU-based VMs and
process I/O submitted to devices attached to those controllers.
This functionality is dependent on QEMU patches to enable
vhost-scsi in userspace - those patches are currently working their
way through the QEMU mailing list, but temporary patches to enable
this functionality in QEMU will be made available shortly through the
SPDK github repository.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Krzysztof Jakimiak <krzysztof.jakimiak@intel.com>
Signed-off-by: Michal Kosciowski <michal.kosciowski@intel.com>
Signed-off-by: Karol Latecki <karolx.latecki@intel.com>
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Signed-off-by: Krzysztof Jakimiak <krzysztof.jakimiak@intel.com>
Change-Id: I138e4021f0ac4b1cd9a6e4041783cdf06e6f0efb
To aid debuging print file, line, function and code snipet of each stack
frame in script when error is generated.
Change-Id: Ib720b90049e7102a2e11755c6f10c016634efab9
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Instance ID is too overloaded and the uses are beginning
to conflict. Separate the RPC configuration out.
Change-Id: I712731130339fee4fc8de4dc2d0fea7040773c58
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This scripts adds new parameter "status", which shows extra
information about devices connected to the system:
- Numa node on which device is located
- Currently bound driver
- Device name in OS if available
Signed-off-by: Piotr Pelplinski <piotr.pelplinski@intel.com>
Change-Id: If77d5fc20330b2492afd87bf832664c450705624
Python versions older than 2.7 require numbered format specifiers.
Change-Id: I74dd204836c202a79c31c08f0096c31fcb325385
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Default is still 1024 2MB huge pages, but user can
override this by setting a different value in the
environment.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I8d189d3a71f474469a44b6eb41b4443591863f3c
Only enable it on the Linux test machines currently, since linking fails
on FreeBSD.
Change-Id: Ib0b30baa90575c7ee93e291ec98883d987cc88f4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This matches the behavior of Make and ensures that we rebuild correctly
when the configuration is only modified in the environment.
Change-Id: Iaf63c488b7c817d6c74a89da2d1de8e4c01be045
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Split the arguments into var=val once at startup and put them in a dict.
Change-Id: Ic6b337e010a185448c1dab20659575081f03a645
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
In some circumstances, no utmp entry is available, so logname fails.
In particular, gnome-terminal no longer creates a utmp entry:
https://bugzilla.gnome.org/show_bug.cgi?id=747046
As a workaround, try $SUDO_USER - the use case here is to determine
the (unprivileged) user name so we can give them ownership of
certain files, so this is usually the right thing to use anyway.
If we are not running under sudo, the caller should have passed the
username as a parameter to scripts/setup.sh anyway, since we can't
reliably determine which user is intended.
Also check if username is actually set before using it to run chmod - it
is possible that the scripts/setup.sh caller does not want to provide
access to an unprivilieged user and just wants to run everything as
root.
Change-Id: I20631c325b52884a378029dcf38568a2b311b457
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Add new commands:
get_vhost_scsi_controllers
construct_vhost_scsi_controller
add_vhost_scsi_lun
These RPC commands are in preparation for an upcoming SPDK vhost-scsi
target.
Change-Id: I8dc3045f832df76a34c55f41dba213d480a3e5fe
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Leave the RBD pool configured and running throughout the tests so that
it can be used in multiple test scripts.
Change-Id: I056ef29bd8d97fa63f1ca78ee728f9c51f4bdf41
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Fix typo in checking for mounted hugepages and replace expr with
arithmetic context as expr is returning error when expression is zero.
Change-Id: I2433fa938b3b2e758e1a4267414c10c5a3a5caff
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Add an RPC interface to list all blockdevs and their properties.
Change-Id: I50db730d5eff8cffcbe8fe5df6b3461457e8581e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Rename the construct_rbd_bdev "size" parameter to block_size so that it
is consistent with other bdev construct RPCs.
Change-Id: I88f8ed35444495ffce9550dc224fbcbd58231787
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Leading and trailing whitespace will otherwise lead to empty array
elements, which are not intended.
Change-Id: Ie7bd5dfce8cb9904090a06491d0bde4905de1e3a
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
When creating a bdev via the RPC interface, there was no way to know
what name it was assigned (other than predicting it based on the
numbering scheme). Change all of the relevant RPC interfaces to return
an array of bdev names so they can be used to construct LUNs/subsystems
dynamically in scripts.
Change-Id: I8e03349bdc81afd3d69247396a20df5fcf050f40
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This makes it easier to search logs on test
boundaries.
Change-Id: I4500479cb8c8322d5ba73bbefd51e006cbb1e82a
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Also continue checking for errors after a problem has been found.
Change-Id: Iea37311e54f68fb6ba8c804ad4b2fb92d5238f36
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Extend the check added in commit
7552ee5512 ("nvmf_tgt: fail if NVMe
controller is not found") to the RPC interface.
Also remove the default PCI address from rpc.py, since it is not a
useful default - the user must specify a PCI address, which will vary
depending on the configuration of the machine.
Change-Id: If9a4e19ef2a84c9d839b467abc011046613f7168
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Instead of a magical "All" value for allowing all hosts, allow the
caller of construct_nvmf_subsystem to omit the "hosts" parameter.
Change-Id: I97c7ae806a0be7142fb59708d47023e42e127fcc
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
create_nvmf_subsystem should not allow the user to specify any
namespaces in direct mode.
Also remove the default Malloc0 namespace in rpc.py; the user
should be required to specify the list in virtual mode.
Change-Id: I3aaf7c64b9ceee89a3f7db15760a669527adb29d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Enforce exactly one trailing \n, and fix all of the existing cases.
Change-Id: I6218e4700e90aeb647eaee78089530c79993c8c8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This patch also drops support for automatically unbinding
devices from the kernel - run scripts/setup.sh first.
Our generic pci interface is now hidden behind include/spdk/pci.h
and implemented in lib/util/pci.c. We no longer wrap the calls
in nvme_impl.h or ioat_impl.h. The implementation now only uses
DPDK and the libpciaccess dependency has been removed. If using
a version of DPDK earlier than 16.07, enumerating devices
by class code isn't available and only Intel SSDs will be
discovered. DPDK 16.07 adds enumeration by class code and all
NVMe devices will be correctly discovered.
Change-Id: I0e8bac36b5ca57df604a2b310c47342c67dc9f3c
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Rather than requiring changes to a static list of header files, use the
GNU Make wildcard function to generate a .cpp file per header.
This also tests whether each header includes all of the system headers
for the types it uses.
Change-Id: I05b82510b194533672568019e138d7d1aad2e86b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Make sure any failing commands are detected and fail the test.
Change-Id: Ibdafe78ac68632cd3f5ea42b4f653b969715cbc0
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Make sure any partition tables or other random data on the disks is
cleaned up before running the tests, rather than trying to clean it up
on failure when the system is in a potentially bad state.
Change-Id: Ia2119485aee6a50243744328dff2314d7a72adad
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Similar to our NVMf target, this is an iSCSI target that
can interoperate with the Linux and Windows standard iSCSI
initiators.
Change-Id: I6961c5ef99f7b161c396330ed5b543ea29b0ca7b
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Allocate larger contiguous regions (but the same amount of total
memory).
Change-Id: I54d09c11afdc7bdf232cc3b0864719c063a74b1a
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
The NVMf target is being refactored to split the RDMA transport-specific
code into its own file. Once this is complete, we should be able to
plug in other transports and build the NVMf target without any RDMA
dependency if desired.
To enable this, change the CONFIG option to RDMA; it still controls
whether the whole NVMf target is built for now, but once the RDMA
dependency is actually made optional, we will be able to build the
generic NVMf target code without libibverbs installed.
Change-Id: I8cd90a9aaa85dcefcc9b0f8f2e7b6af21958b2a8
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Instead of always defining config values, only #define options that are
enabled, so that #ifdef/#ifndef can be used. Generate #undef lines for
the disabled variables so the names are still visible in config.h.
Change-Id: Iaf56597ea6ae57b384387cc8a292d63960b611e4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
All source files will now depend on config.h, which is generated based
on the defaults in CONFIG and the command line arguments passed to make.
This ensures that any configuration changes, including on the command
line, cause a full rebuild.
Change-Id: I6b6fa3290941200dbcf32297c66df8dc5ee18e94
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This increases the largest contiguous region available for any single
object (e.g. DPDK mempools) from 32 MB to 64 MB.
Change-Id: I46633b246bcf7843053ab9d0d92993a784287a57
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
For now, drop the option to configure the number of hugepages (just use
the default 1024).
Change-Id: I686b6151e4a32ffa4ae9a9cf2694693369e03f49
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Use 'git grep -I' to determine the list of files that git considers to be
text (rather than hardcoding a list of known text file extensions) and
check all of them for newline at end of file.
Change-Id: I9b947176af2792c139a2782856e3c41061e18f10
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Allow end users to build the code even if, for example, warnings are
added with new compilers versions.
-Werror is still enforced for automated builds.
Change-Id: I567009d55cf5b941c452bd41d09f75d03b037209
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
cleanup.sh and unbind.sh have been combined into a single
setup.sh that takes one optional parameter (reset). If no
parameter is given, the script will automatically bind
all NVMe and IOAT devices to either uio_pci_generic
or vfio-pci, as appropriate based on IOMMU settings. If
the reset parameter is given, the devices will be bound back
to the appropriate kernel drivers.
Change-Id: I25db3234f1ecfb352a281e5093f4c1aa455152ae
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
If any memory is leaked or other errors occur, valgrind will now exit
with an error code and fail the tests.
Change-Id: I6c65cae17dcd21eb97d70bd82df828eaa0f8f109
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Since the grep would fail for most devices and the result wasn't
checked, the script would exit on the first device ID that didn't match.
Also initialize $rootdir so ioat_pci.h can be located.
Change-Id: I6a714772e22692ab002e1971134d2a86edc81d92
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This patch is used to detect the nvme and ioat devices
in the tested platform and bind it to uio_pci_generic
driver. Thus, when we can smoothly use pci device functions
provided by DPDK instead of using libpciaccess.
Change-Id: Ibfe504fd2864c9b4980eacd0adc5ff2a029b5eaf
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Switch to /usr/local/share/dpdk on Linux to use the latest installed
DPDK.
This is the filesystem layout from building DPDK with:
make install T=x86_64-native-linuxapp-gcc DESTDIR=/usr/local
Change-Id: I95cb0a3ee2ad1fcc89f6abb73ff0005aa65110e5
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
It was just using 16 make threads by default before.
Now it uses the number of CPU cores.
Change-Id: I695705eb73fc5f5ed3eafe1f85c686bde0e4b7d6
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
The ioat driver supports DMA engine copy offload hardware available on
Intel Xeon platforms.
Change-Id: Ida0b17b25816576948ddb1b0443587e0f09574d4
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Also request fewer huge pages overall during autotest.
Change-Id: I6744c9a948e8db24b8ed3c7d9d99c89e1e50ba9c
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Sometimes readelf prepends an "fname: " note, to the line
with "psargs", and in that case just using awk with $2 does
not work.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I6695352da641111f90be9f3e519accbf05107e91
Collect coverage information for use with gcov.
Coverage is disabled on FreeBSD because the current version of clang
provided by FreeBSD can't successfully link with -ftest-coverage enabled
(the compiler-rt support libs are too old).
Change-Id: Icc444936caa852bfb9a02b37223209319a27a770
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This will rmmod nvme on Linux, and use the DPDK nic_uio driver
to unbind nvme devices from the nvme driver on FreeBSD.
"nic_uio" is actually a misnomer - it is not NIC driver specific,
and can safely be used to bind NVMe devices to an effectively
null driver.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I8b964a070586166d762d79696385b82eeb2e88bd
