Remove NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED and
NVGPU_AS_ALLOC_USERSPACE_MANAGED flags which are used for supporting
userspace managed address-space. This functionality is not implemented
fully in kernel neither going to be implemented in near future.
Jira NVGPU-9832
Bug 4034184
Change-Id: I3787d92c44682b02d440e52c7a0c8c0553742dcc
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2882168
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Add API to query all memhandles used for pde and pte.
- Some direct pde/pte allocation should also add entry to the pd-cache
full list.
- Add OS API for querying MemServ handle from nvgpu_mem.
- Traverse through all pd-cache partial and full lists to get memhandles
for all pde/pte buffers.
Jira NVGPU-8284
Change-Id: I8e7adf1be1409264d24e17501eb7c32a81950728
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2735657
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
The wait_pending HAL is now modified to simply
check the pending status of a given runlist.
The while loop is removed from this HAL.
A new function nvgpu_runlist_wait_pending_legacy() is
added that emulates the older wait_pending() HAL.
nvgpu_runlist_tick() is modified to accept a 64 bit
"preempt_grace_ns" value.
These changes prepare for upcoming control-fifo parser
changes.
Jira NVGPU-8619
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: If3f288eb6f2181743c53b657219b3b30d56d26bc
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2766100
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- Change enables CONFIG_NVS_PRESENT for safety build.
- Fixes misra vioations.
- Renames sched.h to nvs_sched.h to avoid the conflict with QNX system
sched.h file for the safety support.
- Disable test_channel_close, test_tsg_unbind_channel,
test_channel_enable_disable_tsg, test_gv11b_fifo_preempt_tsg,
test_tsg_unbind_channel_check_hw_state and test_rc_deinit unit tests.
Jira NVGPU-8619
Change-Id: I7c983de2f4910fcb23687ec23368a060ce89c918
Signed-off-by: prsethi <prsethi@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2763579
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a. LAUNCH_ERR
- Userspace error.
- Triggered due to faulty launch.
- Handle using recovery to reset CE engine and teardown the
faulty channel.
b. An INVALID_CONFIG -
- Triggered when LCE is mapped to floorswept PCE.
- On iGPU, we use the default PCE 2 LCE HW mapping.
The default mapping can be read from NV_CE_PCE2LCE_CONFIG
INIT value in CE refmanual.
- NvGPU driver configures the mapping on dGPUs (currently only on
Turing).
- So, this interrupt can only be triggered if there is
kernel or HW error
- Recovery ( which is killing the context + engine reset) will
not help resolve this error.
- Trigger Quiesce as part of handling.
c. A MTHD_BUFFER_FAULT -
- NvGPU driver allocates fault buffers for all TSGs or contexts,
maps them in BAR2 VA space and writes the VA into channel
instance block.
- Can be triggered only due to kernel bug
- Recovery will not help, need quiesce
d. FBUF_CRC_FAIL
- Triggered when the CRC entry read from the method fault buffer
does not match the computed CRC from the methods contained in
the buffer.
- This indicates memory corruption and is a fatal interrupt which
at least requires the LCE to be reset before operations can
start again, if not the entire GPU.
- Better to quiesce on memory corruption
CE Engine reset (via recovery) will not help.
e. FBUF_MAGIC_CHK_FAIL
- Triggered when the MAGIC_NUM entry read from the method fault
buf does not match NV_CE_MTHD_BUFFER_GLOBAL_HDR_MAGIC_NUM_VAL
- This indicates memory corruption and is a fatal interrupt
- Better to quiesce on memory corruption
f. STALLING_DEBUG
- Only triggered with SW write for debug purposes
- Debug interrupt, currently ignored
Move launch error handling from GP10b to GV11b HAL as -
1. LAUNCHERR_REPORT errcode METHOD_BUFFER_ACCESS_FAULT is not
defined on Pascal
2. We do not support GP10b on dev-main ToT
JIRA NVGPU-8102
Change-Id: Idc84119bc23b5e85f3479fe62cc8720e98b627a5
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678893
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- Below are warnings encountered when we use same function names in
multiple units
doxygenfunction: Unable to resolve multiple matches for function
“test_setup_env” with arguments () in doxygen xml output.
doxygenfunction: Unable to resolve multiple matches for function
“test_free_env” with arguments () in doxygen xml output.
- Fixing warnings by updating functions with unique names in multiple
units
JIRA NVGPU-7115
Change-Id: Iaa861040208e101c114f5c556096deb09d08b7fe
Signed-off-by: srajum <srajum@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2601798
(cherry picked from commit f57e408ba2fae4ff9b7c54a441e5cc3e75b0c87c)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678347
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
Below CE interrupts do not have any users(usecases) on safety build;
disable them only on safety build.
1. BLOCKPIPE stall intr: Not used by GFX(VKSC) and CUDA on safety.
2. NONBLOCK_PIPE nonstall intr: Non-stall intrs are not supported
on safety build. Also, this one is not used by GFX(VKSC)
and CUDA.
3. STALLING_DEBUG intr: Added in Orin tree. It is only needed for
debugging. Disable on safety build as there is no current
usage in driver.
4. POISON_ERROR intr: Poison is a fault containment and not
supported on GA10b.
5. INVALID_CONFIG intr: Floor sweeping not supported on functional
safety SKU.
Bug 3548082
Change-Id: I8d97ccb38f138b2c04a780e1c255a64d28723405
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2671927
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Separate nvgpu_cg_blcg/slcg_fb_ltc_load_enable function
into nvgpu_cg_blcg/slcg_fb_load_enable and
nvgpu_cg_blcg/slcg_ltc_load_enable.
Program fb slcg/blcg prod values during fb init and
program ltc slcg/blcg prod values after acr boot to
have correct privilege for ltc cg programming.
Update unit tests to have sperate blcg/slcg hal for
fb and ltc programming.
Bug 3423549
Change-Id: Icdb45528abe1a3ab68a47f689310dee9a4fe9366
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2646039
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- Separate out local golden context memory allocation from
nvgpu_gr_global_ctx_init_local_golden_image() into a new function
nvgpu_gr_global_ctx_alloc_local_golden_image().
- Add a new member local_golden_image_copy to struct
nvgpu_gr_obj_ctx_golden_image to store copy used for context
verification.
- Allocate local golden context memory from nvgpu_gr_obj_ctx_init()
which is called during poweron path.
- Remove memory allocation from nvgpu_gr_obj_ctx_save_golden_ctx().
- Disable test test_gr_obj_ctx_error_injection since it needs rework
to accomodate the new changes.
- Fix below tests to allocate local golden context memory :
test_gr_global_ctx_local_ctx_error_injection
test_gr_setup_alloc_obj_ctx
Bug 3307637
Change-Id: I2f760d524881fd328346838ea9ce0234358f8e51
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2633713
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Move interrupt specific data-members from common.mc to common.cic
Some of these data members like sw_irq_stall_last_handled_cond need
To be initialized much earlier during the OS specific init/probe stage.
Also, some more members from struct nvgpu_interrupts(like stall_size,
stall_lines[]), which will soon be moved to CIC will also need to be
initialized early during the OS specific probe stage.
However, the chip specific LUT can only be initialized after the
hal_init stage where the HALs are all initialized.
Split the CIC init to accommodate the above initialization requirements.
JIRA NVGPU-6899
Change-Id: I9333db4cde59bb0aa8f6eb9f8472f00369817a5d
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2552535
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All graphics code is under CONFIG_NVGPU_GRAPHICS and all the HALs are
in non-fusa files. In order to support graphics in safety,
CONFIG_NVGPU_GRAPHICS needs to be enabled. But since most of the HALs
are in non-fusa files, this causes huge compilation problem.
Fix this by moving all graphics specific HALs used on gv11b to fusa
files. Graphics specific HALs not used on gv11b remain in non-fusa files
and need not be protected with GRAPHICS config.
Protect call to nvgpu_pmu_save_zbc() also with config
CONFIG_NVGPU_POWER_PG, since it is implemented under that config.
Delete hal/ltc/ltc_gv11b.c since sole function in this file is moved to
fusa file.
Enable nvgpu_writel_loop() in safety build since it is needed for now.
This will be revisited later once requirements are clearer.
Move below CTXSW methods under CONFIG_NVGPU_NON_FUSA for now. Safety
CTXSW ucode does not support these methods. These too will be revisited
later once requirements are clearer.
NVGPU_GR_FALCON_METHOD_PREEMPT_IMAGE_SIZE
NVGPU_GR_FALCON_METHOD_CTXSW_DISCOVER_ZCULL_IMAGE_SIZE
Jira NVGPU-6460
Change-Id: Ia095a04a9ba67126068aa7193f491ea27477f882
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2513675
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APIs to set preemption modes right now have config based code to set
default preemption modes or to check if given preemption mode is valid
or not. This makes code unreadable and complex.
Rework nvgpu_gr_obj_ctx_init_ctxsw_preemption_mode() so that it checks
for initial preemption modes in the beginning. If no preemption mode is
passed while allocating context, get default preemption modes with
gops.gr.init.get_default_preemption_modes() and use them.
Rework nvgpu_gr_ctx_check_valid_preemption_mode() so that it is more
readable. Use gops.gr.init.get_supported_preemption_modes() to validate
incoming preemption modes against supported preemption modes.
Log preemption modes getting set in
nvgpu_gr_obj_ctx_set_ctxsw_preemption_mode().
Disable failing unit test. It will need rework according to new code.
Jira NVGPU-5648
Change-Id: Ie1a3e1aeae7826a123e104d9d016f181bea3b271
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2419034
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: Lakshmanan M <lm@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Remove current mc hals
- mc.reset()
- mc.enable()
- mc.disable()
- mc.reset_mask()
- mc.reset_engine()
- mc.reset_engine_enable()
Add new mc hals
- mc.enable_units(g, units, enable)
> enable/disable given unit(s)
- mc.enable_dev(g, dev, enable)
> enable/disable engine represented by given device pointer
- mc.enable_devtype(g, devtype)
> enable/disable all engines of given devtype
Move common mc intr functions to common/mc/mc_intr.c.
Add below common mc functions
- nvgpu_mc_reset_units(g, units)
> reset given logical OR of nvgpu unit bitmap
- nvgpu_mc_reset_dev(g, dev)
> reset given single engine via dev
> if engine is graphics, reset gpcs for nvgpu_next
- nvgpu_mc_reset_devtype(g, devtype)
> reset all engines of given devtype
> if devtype is graphics, reset gpcs for nvgpu_next
Bug 200648985
Bug 3109773
Change-Id: Idc67a14a0a7cde83de44fbfbec13007fead3ed5c
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2408523
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Get number of SMs from GR instance specific nvgpu_gr_config pointer
instead of global SM count in below functions :
nvgpu_gr_fs_state_init()
gv11b_gr_init_sm_id_config()
Update nvgpu_gr_config_get_gpc_skip_mask() to return 0 in case gpc_index
is greater than available gpc_count. This is not MIG specific, but based
on code review possible even today for existing chips.
See gm20b_gr_init_pd_skip_table_gpc()
Update nvgpu_gr_get_override_ecc_val() to return GR instance specific
value.
Execute gr_init_setup_hw() for each GR instance.
Disable below failing unit tests:
nvgpu_gr_fs_state.test_gr_fs_state_error_injection
nvgpu_gr_init.test_gr_init_hal_config_error_injection
Jira NVGPU-5648
Change-Id: Ie8f1c0c304c634756786d85facf336a5c9ae8195
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2410702
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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Reviewed-by: Lakshmanan M <lm@nvidia.com>
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GVS: Gerrit_Virtual_Submit
common.gr unit exports a separate API nvgpu_gr_prepare_sw to
initialize some SW pieces required for nvgpu_gr_enable_hw().
A separate API is really unnecessary since same initialization
can be performed in nvgpu_gr_alloc().
Remove nvgpu_gr_prepare_sw() and HAL gops.gr.gr_prepare_sw().
Initialize falcon and interrupt structures in loop from
nvgpu_gr_alloc().
Move nvgpu_netlist_init_ctx_vars() from nvgpu_gr_prepare_sw() to
common init path since netlist parsing need not be done from
common.gr unit. It just needs to happen before nvgpu_gr_enable_hw().
Also, trigger nvgpu_gr_free() from gr_remove_support() instead
of OS specific paths. Also remove nvgpu_gr_free() calls from
probe error paths since nvgpu_gr_alloc is no longer called in
probe path.
Move interrupt and falcon data structure free calls to nvgpu_gr_free().
Also remove corresponding unit testing code that tests
nvgpu_gr_prepare_sw() specifically.
Update some unit tests to initialize ecc counters and netlist.
Disable some unit tests that fail for reasons unknown.
Jira NVGPU-5648
Change-Id: I82ec8160f76530bc40e0c11a9f26ba1c8f9cf643
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2400166
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- Fix syntax error in Makefile.sources
- Add missing test_enqueue entry to required_tests.ini
- Add nvgpu-next include path in Makefile.units.common.tmk. This will
provide an option to include nvgpu-next files in userspace build.
Bug 2920876
Change-Id: I5d34a89a66813aa39fb1dbdf19decfbb9c63c7eb
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2377295
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When a pbdma fault needs a channel teardown, do the recovery/teardown
process before acking the pbdma interrupt status back. Acking it causes
the hardware to proceed which could release fences too early before the
involved channel(s) have been found to be broken.
With these host copyengine interrupts, the teardown sequence is light
and proceeds even with the pbdma intr flag still set; there are no
engines to reset when these pbdma launch check interrupts happen. The
bad tsg is just disabled and the channels in it aborted.
A few unit tests are so heavily affected by this refactor that they
would need to be rewritten. They're not strictly needed at the moment,
so do only half of the rewrite: just delete them.
Bug 200611198
Change-Id: Id126fb158b6d05e46ba124cd426389046eedc053
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2392669
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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The FIFO pbdma map is an array of bit maps that link PBDMAs to runlists.
This array allows other software to query what PBDMA(s) serves a given
runlist. The PBDMA map is read verbatim from an array of host registers.
These registers are stored in a kmalloc()'ed array.
This causes a problem for the device management code. The device
management initialization executes well before the rest of the FIFO
PBDMA initialization occurs. Thus, if the device management code
queries the PBDMA mapping for a given device/runlist, the mapping has
yet to be populated.
In the next patches in this series the engine management code is subsumed
into the device management code. In other words the device struct is
reused by the engine management and all host SW does is pull pointers to
the host managed devices from the device manager. This means that all
engine initialization that used to be done on top of the device
management needs to move to the device code.
So, long story short, the PBDMA map needs to be read from the registers
directly, instead of an array that gets allocated long after the device
code has run.
This patch removes the pbdma map array, deletes two HALs that managed
that, and instead provides a new HAL to query this map directly from
the registers so that the device code can use it.
JIRA NVGPU-5421
Change-Id: I5966d440903faee640e3b41494d2caf4cd177b6d
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2361134
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GVS: Gerrit_Virtual_Submit
Fix what unit tests can be easily fixed, but disable some others. It's
not clear why the MM related tests started failing - there's really zero
reason for this. The list of disable tests are primarily engine related
but there are some others that get inflenced by the device and engine
structure.
test_poweroff.init_poweroff=2
test_is_stall_and_eng_intr_pending.intr_is_stall_and_eng_intr_pending=2
test_isr_nonstall.isr_nonstall=2
test_isr_stall.isr_stall=2
test_engine_enum_from_type.enum_from_type=2
test_engine_find_busy_doing_ctxsw.find_busy_doing_ctxsw=2
test_engine_get_active_eng_info.get_active_eng_info=2
test_engine_get_fast_ce_runlist_id.get_fast_ce_runlist_id=2
test_engine_get_gr_runlist_id.get_gr_runlist_id=2
test_engine_get_mask_on_id.get_mask_on_id=2
test_engine_get_runlist_busy_engines.get_runlist_busy_engines=2
test_engine_ids.ids=2
test_engine_init_info.init_info=2
test_engine_interrupt_mask.interrupt_mask=2
test_engine_is_valid_runlist_id.is_valid_runlist_id=2
test_engine_mmu_fault_id.mmu_fault_id=2
test_engine_mmu_fault_id_veid.mmu_fault_id_veid=2
test_engine_setup_sw.setup_sw=2
test_engine_status.status=2
test_fifo_init_support.init_support=2
test_fifo_remove_support.remove_support=2
test_gp10b_engine_init_ce_info.engine_init_ce_info=2
test_nvgpu_mem_iommu_translate.mem_iommu_translate=2
test_nvgpu_mem_phys_ops.nvgpu_mem_phys_ops=2
And delete unit tests for functions that no longer exist:
test_device_info_parse_enum.top_device_info_parse_enum
test_get_device_info.top_get_device_info
test_get_num_engine_type_entries.top_get_num_engine_type_entries
test_is_engine_ce.top_is_engine_ce
test_is_engine_gr.top_is_engine_gr
JIRA NVGPU-5421
Change-Id: I343c0b1ea44c472b22356c896672153fc889ffc0
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2355300
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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Many tests used various incarnations of the mock register framework.
This was based on a dump of gv11b registers. Tests that greatly
benefitted from having generally sane register values all rely
heavily on this framework.
However, every test essentially did their own thing. This was not
efficient and has caused a some issues in cleaning up the device and
host code.
Therefore introduce a much leaner and simplified register framework.
All unit tests now automatically get a good subset of the gv11b
registers auto-populated. As part of this also populate the HAL with
a nvgpu_detect_chip() call. Many tests can now _probably_ have all
their HAL init (except dummy HAL stuff) deleted. But this does
require a few fixups here and there to set HALs to NULL where tests
expect HALs to be NULL by default.
Where necessary HALs are cleared with a memset to prevent unwanted
code from executing.
Overall, this imposes a far smaller burden on tests to initialize
their environments.
Something to consider for the future, though, is how to handle
supporting multiple chips in the unit test world.
JIRA NVGPU-5422
Change-Id: Icf1a63f728e9c5671ee0fdb726c235ffbd2843e2
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2335334
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
When running unit testing, we need to ensure that all expected unit
tests were actually run. This used to be done by an external Python
script, but it is not suitable for some OSes. This patch brings this
mechanism into the unit testing framework, and makes use of an INI
file to provide the list of expected tests.
JIRA NVGPU-3072
Change-Id: I9ed590de9005fe10324c594ea33ebc8fda482019
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2317220
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
