Update SW quiesce as follows:
- After waking up sw_quiesce_thread, nvgpu_sw_quiesce
masks interrupts, then disables and preempts runlists
without lock. There could be still a concurrent thread
that would re-enable the runlist by accident. This is
very unlikely and would mean we are not in mission mode
anyway.
- In sw_quiesce_thread, wait NVGPU_SW_QUIESCE_TIMEOUT_MS,
to leave some time for interrupt handler to set error
notifier (in case of HW error interrupt). Then disable
and preempt runlists, and set error notifier for remaining
channels before exiting the process.
Also modified nvgpu_can_busy to return false in case
SW quiesce is pending. This will make subsequent
devctl to fail.
Jira NVGPU-4512
Change-Id: I36dd554485f3b9b08f740f352f737ac4baa28746
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2266389
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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This patch adds boundary value check for common.fifo parameters as
listed below.
1. nvgpu_channel_setup_bind() includes a condition to check that value
of num_gpfifo_entries does not exceed 2^31. Otherwise prints message and
returns error.
2. nvgpu_tsg_bind_channel() includes a condition to check if channel
subctx had ASYNC id. If true, runqueue selector is set to 1 and 0
otherwise. This check is to be moved from devctl to common.fifo.
Jira NVGPU-4817
Change-Id: Id1c9253945859c245e584b5c42b3285a6b620055
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2278613
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nvgpu_init_hal is private to the common.init unit in the driver, used
only by nvgpu_detect_chip. However, it is used extensively by the unit
tests, so it can't be static. So, hide it from doxygen, so it is not
included in SWVR traceability.
Add missing target APIs in SWUTS for init UTs.
JIRA NVGPU-4818
Change-Id: I4d8acf29e9cbafdfd26d7088f98974da3b12a8ba
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2280641
Reviewed-by: Automatic_Commit_Validation_User
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Whitelist the following CERT-C INT31-C, DCL37-C and EXP47-C violations
from atomic.h reported due to an issue in the Coverity scanner tool
(version 2019.06).
Violations:
1. cert_int31_c_violation: Casting "__atomic_fetch_sub_4(&v->v, i, 5)"
from "unsigned int" to "int" without checking its value may result in
lost or misinterpreted data.
2. cert_int31_c_violation: Casting "i" from "int" to "unsigned int"
without checking its value may result in lost or misinterpreted data.
3. cert_exp37_c_violation: Calling function "__atomic_fetch_add_4(void
volatile *, unsigned int, int)" with the argument "i", which has an
incompatible type "int" instead of "unsigned int".
4. cert_dcl37_c_violation: The reserved identifier "__atomic_load_ptr",
which is reserved for use as identifiers with file scope in both
the ordinary and tag name spaces, is declared.
Bug 200584380
JIRA NVGPU-4480
Change-Id: I9eebcca734f7081f9ca759c955e50a777e1ff25a
Signed-off-by: Nitin Kumbhar <nkumbhar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2279933
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Ajesh K V <akv@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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Switch to calling the gops for the HALs rather than the HAL directly.
Update the SWUTS to reflect this change.
This allows traceability with the SWUD.
Also, move a non-fusa hal to the non-doxygen section for gops_therm.h.
JIRA NVGPU-4818
Change-Id: Ia6a0d3ad94fbb97cdb345bfc89bc7ab3cd4f2d5a
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2279486
GVS: Gerrit_Virtual_Submit
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gm20b_pbdma_handle_intr is only initializing pbdma_status
when either pbdma_intr_0 or pbdma_intr_1 is pending.
This could lead to using non-initialized chsw_status in
gv11b_fifo_preempt_poll_pbdma, and causing unexpected
failures in unit tests.
Read pbdma_status before checking for pbdma interrupts,
to make sure pbdma_status contains valid data.
Jira NVGPU-4887
Change-Id: If1bdb24ae04b58e85e4217c9c0854c01ca65525b
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2279111
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MISRA Advisory Rule states that the precedence of operators within
expressions should be made explicit.
This change removes the Advisory Rule 12.1 violations from the
implementation of the is_power_of_2() macro.
Jira NVGPU-3178
Change-Id: I75117e9ab6e47beddebeebaa23c6408b6ceb88ad
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2278574
Reviewed-by: Automatic_Commit_Validation_User
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In the current logic for nvgpu_timeout_expired(), function always
returns 0 if fault injection is enabled. This only helps for testing
timeout not expired scenarios. However, if nvgpu_timeout_expired() is
used in a while(true) loop, it is impossible to break the infinite loop.
This patch modifies nvgpu_timeout_expired() to not expire until fault
injection counter is non-zero. The function will now return -ETIMEDOUT
when fault injection is enabled and counter is zero.
Jira NVGPU-4675
Change-Id: I494031698ade19cf1ec5b75e4dbe5a1157da2aa7
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2275290
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Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
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This patch removes dependency between pmu.clk and hal.clk.
Below is the implementation.
*Init the clk domains inside pmu.clk unit.
*Set this in a member variable and send it to hal.clk unit
*Use this to determine the valid clock domains and read the
monitor registers for each valid domains.
*Return the domain with error code.
*With this all the clk domain data is removed from hal.clk and
only pmu.clk uses it as it owns it.
JIRA NVGPU-4491
Change-Id: Ie57b2472cfaacfd2ce43ac7f95702bd95fb8bbaa
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2272416
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To achieve permanent fault coverage, the CTAs launched by
each kernel in the mission and redundant contexts must execute on
different hardware resources. This feature proposes modifications
in the software to modify the virtual SM id to TPC mapping across
the mission and redundant contexts. The virtual SM identifier to TPC
mapping is done by nvgpu when setting up the patch context.
The recommendation for the redundant setting is to offset the
assignment by one TPC, and not by one GPC. This will ensure that both
GPC and TPC diversity. The SM and Quadrant diversity will happen
naturally. For kernels with few CTAs, the diversity is guaranteed
to be 100%. In case of completely random CTA allocation,
e.g. large number of CTAs in the waiting queue, the diversity is
1 - 1/#SM, or 87.5% for GV11B, 97.9% for TU104.
Added NvGpu CFLAGS to enable/disable the SM diversity support
"CONFIG_NVGPU_SM_DIVERSITY".
This support is only enabled on gv11b and tu104 QNX non safety build.
JIRA NVGPU-4685
Change-Id: I8e3eaa72d8cf7aff97f61e4c2abd10b2afe0fe8b
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2268026
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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When generating Doxygen XML, if an inner structure is anonymous, the
generated XML will remove the inner structure and merge its members
with the parent structure. This is not ideal for tooling, so this
patch adds a name to a few anonymous structures.
JIRA NVGPU-3510
Change-Id: I42556a6b2a2f9a156d9a74fa894197c845656adc
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2274706
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
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event_id_list and event_id_list_locks fields are only
needed in nvgpu_tsg when CONFIG_NVGPU_CHANNEL_TSG_CONTROL
is defined.
Conditionally compile those fields and related code,
so that they are removed from safety build.
Jira NVGPU-4376
Change-Id: I8678aa1b8cd4166aa37bcb42cda1eb9c703fd32f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2273261
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MISRA Advisory Directive 4.5 states that identifiers in the same
name space with overlapping visibility should be typographically
unambiguous.
The presence of both the roundup(x,y) and round_up(x,y) macros in
the posix utils.h header incurs a violation of this rule.
These macros were added to keep in sync with the linux kernel variants.
However, there is a key distinction between how these two macros
work in the linux kernel; roundup(x,y) can handle any y alignment while
round_up(x,y) is intended to work only when y is a power-of-two.
Passing a non-power-of-two alignment to round_up(x,y) results in an
incorrect value being returned (silently).
Because all current uses of roundup(x,y) and round_up(x,y) in
nvgpu specify a y value that is a power-of-two and the underlying
posix macro implementations assume as much, it is best to remove
roundup(x,y) from nvgpu altogether to avoid any confusion.
So this change converts all uses of roundup(x,y) to round_up(x,y).
Jira NVGPU-3178
Change-Id: I0ee974d3e088fa704e251a38f6b7ada5a7600aec
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2271385
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
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For some code that is tested using public APIs it's not safe for the
parent thread to continue while the child thread is running. Fault
injection per thread pointer points to the same container for both
parent thread as well as the created one. So, there is chance of a race
in fault injection functionality. Serialize the run so that race can be
mitigated. Caller of nvgpu_thread_create() API should ensure that the
created thread is stopped using some fault injection or otherwise.
Bug 200580790
Change-Id: I334c07c4bac6e43d67de9bfc581dad021e421acd
Signed-off-by: shashank singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2268133
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Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
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-Created ucode_perf_change_seq_inf.h and moved all
change_seq interface structs and MACROs
-Moved nvgpu_clk_set_req_fll_clk_ps35 from clk unit
to change_seq unit
-Removed MACROs and includes which are not needed
NVGPU-4448
Change-Id: I04ab32cbc9a1fc827f3360a8ea0f367019981823
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2266051
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-Created ucode_perf_pstate_inf.h and moved all
pstate interface structs and MACROs.
-Created nvgpu_perf_pstate_get_lpwr_index for getting
lpwr index
-Created nvgpu_clk_domain_get_from_index for getting
clk_domain from index
-Removed pstate_get_status code which is not needed
for tu10a profile
-Removed MACROs and includes which are not needed
NVGPU-4448
Change-Id: I516816a1d92a60a91ea479cb9c334d332d3d7a89
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2264716
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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-Created ucode_perf_vfe_inf.h and moved all VFE
interface structs and MACROs into this header
-Created nvgpu_clk_fll_get_fmargin_idx to get
freq margin index
-Created nvgpu_vfe_var_get_s_param to read s_param
-Removed MACROs and header includes which are
not needed
NVGPU-4448
Change-Id: I89f946d555bcbc7823665d2a5a761049f7a5e963
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2260150
GVS: Gerrit_Virtual_Submit
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
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MISRA rule 10.3 doesn't allow value of an expression to be assigned to a
narrower or different essential type object.
Currently, in nvgpu_do_assert() "false" value is recognized as "signed
8-bit int". And so passing value false to nvgpu_assert converts signed
8-bit int to boolean. This is a coverity bug acknowledged by Synopsys.
This patch adds whitelisting to nvgpu_do_assert() macro.
Bug 2623654
Bug 200510004
Jira NVGPU-4780
Change-Id: Ibe35b30c12e2575f45e25ef21741627957b4ea75
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2271448
GVS: Gerrit_Virtual_Submit
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Adeel Raza <araza@nvidia.com>
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Passing branch of nvgpu_timeout_peek_expired was not covered due to jump
over it in nvgpu_falcon_mem_scrub_wait. Remove that jump to cover the
branch.
Add unit test for covering the error handling in case of read from
DMEM control register returns invalid data using fault injection.
JIRA NVGPU-4814
Change-Id: I9f99186bd2b1c5f39ead130d3161d3e7fa622ac4
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2272937
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MISRA Advisory Directive 4.5 states that identifiers in the same
name space with overlapping visibility should be typographically
ambiguous.
The use of both ASSERT_CONCAT() and ASSERT_CONCAT_() macros in
the implementation of the nvgpu_static_assert() macro violates
this directive.
This change switches ASSERT_CONCAT() to ASSERT_ADD_INFO() and
ASSERT_CONCAT_() to ASSERT_CONCAT() to eliminate the violation.
Jira NVGPU-3178
Change-Id: I2bf232f3b49267f2f9a211d614969cfc60d3983d
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2270893
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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Following changes are done to common.top code and UT:
1.Change return type for device_info_parse_enum to void as it can never
return non-zero value.
- This is a private HAL and is only called by get_device_info HAL.
- It gets called only for table entry with entry type = enum.
- So there is no error path left.
This helps remove unnecessary branches and get better branch coverage
2. Check if the data parsing function pointers are not NULL before
parsing the device tree. Return error if there are no functions
to interpret the device_info table registers. Add checks for same in
unit test test_get_device_info().
JIRA NVGPU-2204
Change-Id: I8833da7aa58b070d19b50ee17f64362f301bd792
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2269603
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MISRA Advisory Directive 4.5 states that identifiers in the same
name space with overlapping visibility should be typographically
ambiguous.
The uses of 'a'/'__a' and 'b'/'__b' in the implementation of the
min_t() macro are in violation of this directive.
This change switches '__a' to 't_a' and '__b' to 't_b' (where
't_' stands for "typed") to eliminate these violations.
Jira NVGPU-3178
Change-Id: I72394203ae59ba4d64ca5b539943c3efe9660417
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2270879
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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MISRA rule 11.2 doesn't allow conversions of a pointer from or to an
incomplete type. These type of conversions may result in a pointer
aligned incorrectly and may further result in undefined behavior.
This patch addresses rule 11.2 violations related to pointers to and
from struct nvgpu_sgl. This patch replaces struct nvgpu_sgl pointers by
void pointers.
Jira NVGPU-3736
Change-Id: I8fd5766eacace596f2761b308bce79f22f2cb207
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2267876
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As a part of refactoring, we need to move the volt unit from perf to pmu
as it belongs there and also move the arbitor specific functions under
CLK_ARB as they will be removed from safety build.
This patch does the following
*Move volt struct from perf to pmu
*Move volt setup from pmu_pstate to volt
*Move clk freq related functions into CLK_ARB
NVGPU-4491
NVGPU-4492
Change-Id: I7180cd12bbf91cc4d2e79b6e2d71c16e494c8ff0
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2268215
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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Add new unit test to cover gops.gr.init.ecc_scrub_reg HAL function
gops.gr.init.ecc_scrub_reg HAL can generate TIMEOUT errors which are
not returned to caller currently. Update this HAL to return int value
for error propagation.
Jira NVGPU-4458
Change-Id: I98f4d5af2ef17cc4301951fec4d660638c8ef72c
Signed-off-by: dnibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2265456
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MISRA Advisory Rule 12.1 states that the precedence of operators
within expressions should be made explicit.
This change modifies the min()/max()/min_t() macro implementations
to eliminate these 12.1 violations.
Jira NVGPU-3178
Change-Id: Ibc1b0bc107d128d300ebdec547417dc7ad201446
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2267898
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA Advisory Rule 4.9 states that a function should be used in
preference to a function-like macro where they are interchangeable.
This change switches gk20a_from_mm() and gk20a_from_vm() from
macros to static inline functions.
Jira NVGPU-3178
Change-Id: Ie2a7de0196b69d683ade696adf5e4c9412377607
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2256273
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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