The clk module was using u8's and u32's for the regime ID. Since the
regime id is only a byte, just use u8's.
This eliminates MISRA rule 10.3 violations for implicit assignments to
different types.
JIRA NVGPU-1008
Change-Id: Id3d1394402b248818cf959b46cd48611755f6912
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946259
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MISRA rule 10.3 prohibits implicit assignments to different types. The
clk module was violating this rule when forming the payload to pass for
PMU commands. This change makes the needed casts to eliminate these
implicit assignments.
JIRA NVGPU-1008
Change-Id: I724e8a587d7ad7505737a874957123014b11e292
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946258
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add two new sub-directories under MM: gmmu and allocators.
The allocators directory is for all the allocator code we have.
There's a fair amount and as such could be considered a component
with a bunch of sub-units.
The new GMMU directory will contain the GMMU component (which used to
be a single unit). The new GMMU component is comprised of the
page_table and pd_cache units. Also when we migrate the chip specific
GMMU code out of mm_gk20a.c and mm_gp10b.c it will be placed in this
new GMMU directory.
JIRA NVGPU-1390
Change-Id: I7aa47ea2a32612b7d69972671fccb72770e1ae09
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1944385
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
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Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add a unit test to cover the pd_cache unit. This unit is
responsible for maintaining the page directory allocations.
It's effectively a DMA slab allocator since we want to be
able to pack multiple sub page sized page directories into
a single page.
JIRA NVGPU-1323
Change-Id: If65a803cf2ee5af9938668958b9353d50b2e98f9
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1942248
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There are places where function prototypes have been declared
using typedef. These are being considered as type mismatch
and flagged as MISRA rule 8.3 violations. This patch will
fix such cases by removing typedef for function declarations.
JIRA NVGPU-847
Change-Id: Ide72c53d7f3a2d8d5f088c42d8e0318b04d2e9be
Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1937858
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poll_timeouts and timeout_restart_all_channels should
only handle channels that have not been recovered/aborted.
Check ch_timedout status of the channel to make sure
channel is still alive to be used. A channel reference
could still be available even if it is recovered but not
closed.
Bug 2404865
Change-Id: I016c8b9952ef1d4c349c2a2a2ca55cb81326d380
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929339
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Already torn down channels should not be suspended or
resumed. A channel reference could still be available
even if it is recovered but not closed. Use ch_timedout
status to check if channel is already recovered/aborted.
Bug 2404865
Change-Id: I718eab6032ee94a9322da7a239a978b388de2b01
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929338
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Currently has_timedout variable is protected by wmb at places
where it is being set and there is no correspoding rmb whenever
has_timedout variable is read. This is prone to errors for
concurrent execution. This change is supposed to fix this issue.
Rename has_timedout variable of channel struct to ch_timedout.
Also to avoid rmb every time ch_timedout is read,
ch_timedout_spinlock is added to protect ch_timedout
variable for taking care of concurrent execution.
Bug 2404865
Bug 2092051
Change-Id: I0bee9f50af0a48720aa8b54cbc3af97ef9f6df00
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1930935
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MISRA rule 8.3 requires that all declarations of a function
shall use the same parameter names and type qualifiers. There
are cases where the parameter names do not match between
function prototype and declaration. This patch will fix some of
these violations by renaming the prototype parameter.
JIRA NVGPU-847
Change-Id: I980ca7ba8adc853de9c1b6f6c7e7b3e4ac12f88e
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1926980
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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MISRA Rule 11.8 states that a cast shall not remove any const or
volatile qualification from the type pointed to by a pointer.
This change fixes violations of this rule in the search/sort
comparison routines in volt/gr/regops code.
JIRA NVGPU-862
Change-Id: I8197e0a685d907a73e1d4d67b4f45a250c68e276
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1949930
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Add a flag to nvgpu_gpu_characteristics to expose FECS tracing capability to
userspace.
This is required for adding nvrm_gpu APIs for CTXSW set of IOCTLs which were
requested in several bugs.
nvrm_gpu APIs would query this flag to check the availability of IOCTLs.
Bug 2169678
Bug 2169677
Bug 2169675
Bug 2169674
Bug 2169673
Bug 2168342
Change-Id: Ie6ba80a4144637546b97fa93baae67b8d0c4d425
Signed-off-by: Anup Mahindre <amahindre@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1950559
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
While linux os code does not need to be MISRA-compliant this
change switches over all memcpy() uses to nvgpu_memcpy()
with appropriate casts applied to maintain consistency within
the nvgpu source base.
JIRA NVGPU-849
Change-Id: I2c21a7845df5709dafa19508c121f8afa27cc4fc
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1950995
Reviewed-by: Automatic_Commit_Validation_User
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Reviewed-by: Nitin Kumbhar <nkumbhar@nvidia.com>
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: Ie6af057f6948ac3b67f1c8beb7cce95165bd48d4
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939227
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: I65c37f6b515aaa10c5945e9b68180e92e40c1f61
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939226
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: I70a2dded2e6cd5c04b54bf208d77a8d40a8f7af0
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1933534
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: I1d71d7e62ce1a6331a4f33740a814bb3aa0309aa
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1933533
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: I1bca4258614d4c5feb75a47b3a98d2f385731bfb
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1933532
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: I7e39bc38b620c8a521a4a75d41379b8fb107f347
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1933531
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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MISRA Rule 12.2 states that the right hand operand of a shift operator
shall lie in the range zero to one less than the width in bits of the
essential type of the left hand operand.
The left hand operands in these shift operations are unsigned integer
literals which can be u16 or u32 dependent on the platform.
The maximum value of right hand operand of the shift is 31, so make
the left hand operand a u32 using the U32() Macro.
JIRA NVGPU-1054
Change-Id: Ia0f4bcf1a8629d77ff9ae3c75e683ebd34929d7f
Signed-off-by: Sai Nikhil <snikhil@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1933514
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches non-offending memcpy usage in pmu/* code
over to to use nvgpu_memcpy() with appropriate casts applied
to maintain consistency within nvgpu.
JIRA NVGPU-849
Change-Id: I095abe3a95071d619ed1cf8421150139a7d4ab93
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946263
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches non-offending memcpy usage in vgpu/* code
over to to use nvgpu_memcpy() with appropriate casts applied
to maintain consistency within nvgpu.
JIRA NVGPU-849
Change-Id: Ib62d77929d60bbda64c51d3d81adf66ed155a8a9
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946262
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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gk20a.h depends on definition of struct pmgr_pmupstate. Change that
to a pointer and use forward declaration, and allocation and
free functions.
Fix a few build breaks by adding explicit includes where previously
a header file had gotten included implicitly.
JIRA NVGPU-596
Change-Id: I7ced14d6629e033b0ccef3a93a3dbf099e43ba4c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946662
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gk20a.h depends on definition of struct therm_pmupstate. Change that
to a pointer and use forward declaration, and allocation and
free functions.
Fix a few build breaks by adding explicit includes where previously
a header file had gotten included implicitly.
JIRA NVGPU-596
Change-Id: I67010a979ed7f874070796dd834b9b3d1d9dad4c
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946661
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gk20a.h depends on definition of struct clk_pmupstate. Change that
to a pointer and use forward declaration, and allocation and free
functions.
Fix a few build breaks by adding explicit includes where previously
a header file had gotten included implicitly.
JIRA NVGPU-596
Change-Id: I2442eba6231c52cca2db0f0ed42cf0a419bc4c10
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1945307
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gk20a.h depends on definition of struct clk_pmupstate. Change that
to a pointer and use forward declaration, and allocation and free
functions.
Fix a few build breaks by adding explicit includes where previously
a header file had gotten included implicitly.
JIRA NVGPU-596
Change-Id: Iafe7d72a6fd31543653e0e10e2d2e552b6c3514b
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1945286
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clk_gp106.h and clk_gv100.h define conflicting symbols, which prevent
including them both at the same time. One of the conflicting structs
is namemap_cfg, which has different definitions in clk_gp106.h and
include/nvgpu/clk.h.
Move all constants used only by clk_*.c to be defined there, delete
the extra namemap_cfg structure definition, and modify code to cope
with the unified namemap_cfg.
JIRa NVGPU-596
Change-Id: Id68919da4567ec1507eda0cfaa19bf047a7bfc59
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1945285
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This A) clears a dangling pointer which should make the code
more robust, and B) allows for easier unit testing of the
nvgpu_pd_cache_do_free() functions since there's now a
tangible change to the nvgpu_gmmu_pd after this function runs.
JIRA NVGPU-1323
Change-Id: I57db02c9e74324b8e3c3fd4a2c14565dfd0048aa
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1949936
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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The following error checking code in nvgpu_pd_cache_alloc() cannot
hit the greater than PAGE_SIZE check:
if ((bytes & (bytes - 1U)) != 0U ||
(bytes >= PAGE_SIZE ||
bytes < NVGPU_PD_CACHE_MIN)) {
/* ... */
This is because the nvgpu_pd_cache_alloc() function is only called,
specifically when, bytes is less than PAGE_SIZE! As such we would
only see this case when there's a bug.
So change the error condition to now check only for bytes being a
power of 2 and being greater than NVGPU_PD_CACHE_MIN. The greater
than page size check has been turned into an assert since this
should really never happen in practice unless there's a bug.
JIRA NVGPU-1323
Change-Id: I97cd701aa4f045345606b90c97a8478b4a06e189
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946731
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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MISRA rule 12.2 states that the right hand operand of a shift
operator shall lie in the range zero to one less than the width
in bits of the essential type of the left hand operand. This
patch will fix these violations by casting them to an appropriate
type or using the relevant BITxx() macros.
JIRA NVGPU-666
Change-Id: I57b6081e9bd98c45ca9f7aa5f35e1d2d66ed0134
Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1945655
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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MISRA rule 14.4 doesn't allow the usage of integer types as booleans
in the controlling expression of an if statement or an iteration
statement.
Fix violations where the result of a bitwise operation is used as a
boolean in the controlling expression of if and loop statements.
JIRA NVGPU-1020
Change-Id: I6a756ee1bbb45d43f424d2251eebbc26278db417
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936334
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches non-offending memcpy usage in clk code
over to to use nvgpu_memcpy() with appropriate casts applied
to maintain consistency within nvgpu.
JIRA NVGPU-849
Signed-off-by: Scott Long <scottl@nvidia.com>
Change-Id: I7b859a59a594e873d673ba38e0692c61c9811907
Reviewed-on: https://git-master.nvidia.com/r/1946268
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches non-offending memcpy usage in acr code
over to to use nvgpu_memcpy() with appropriate casts applied
to maintain consistency within nvgpu.
JIRA NVGPU-849
Change-Id: I55bca75b816d103d70d5825ffa633f64d9379add
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946267
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches non-offending memcpy usage in pmgr/* code
over to to use nvgpu_memcpy() with appropriate casts applied
to maintain consistency within nvgpu.
JIRA NVGPU-849
Change-Id: If4c9b1042e1974ae025ca6d4874a16b7e12e74c9
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946266
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MISRA rule 8.3 requires that all declarations of a function
shall use the same parameter names and type qualifiers. There
are cases where the parameter names do not match between
function prototype and declaration. This patch will fix some of
these violations by renaming the parameter as required.
JIRA NVGPU-847
Change-Id: I3f7280b0e4c21b1c2d70fd7f899cf920075f87a3
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1927103
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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The gk20a struct was not zero'ed out which could cause some
unexpected crashes, especially when NVGPU code is checking if
a function pointer is not NULL to decide to run the corresponding
function.
JIRA NVGPU-1246
Change-Id: I1a32c871fce59d6bf4729187af1b670c763a631a
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1946761
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add support for backtrace prints when BUG() is being called.
To support backtrace calls, the -rdynamic compiler flag is
now being used. On host, it fully works as expected, on
target only exported symbols (in libnvgpu-drv.export) are
visible.
JIRA NVGPU-1246
Change-Id: Ia075ac99228e8377bdb3142fef2e56c2fea2d967
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1943478
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA rule 14.4 doesn't allow the usage of integer types as booleans
in the controlling expression of an if statement or an iteration
statement.
Fix violations where the integer variables err, ret, status are used
as booleans in the controlling expression of if and loop statements.
JIRA NVGPU-1019
Change-Id: I36494e84ee6cd4a108e2a539f48f102e47e2f7f4
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1926820
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MISRA rule 14.4 doesn't allow the usage of non-boolean variable as
boolean in the controlling expression of an if statement or an
iteration statement.
Fix violations where a non-boolean variable is used as a boolean in the
controlling expression of if and loop statements.
JIRA NVGPU-1022
Change-Id: Ia96f3bc6ca645ba8538faf7a9fa3a9ccf9df40d3
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1943168
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MISRA rules 8.8 and 8.10 makes it mandatory to use static storage
modifier for functions with internal linkage. This patch will fix
the violations by adding the storage modifier.
JIRA NVGPU-884
JIRA NVGPU-889
Change-Id: I5a82d9e6110b422e6bc7686fccc7d6632dffecac
Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1937814
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