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: I61a2d24830428ffc2655bd9c45bb5403c7f22c09
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1943058
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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: I957f8ca1fa0eb00928c476960da1e6e420781c09
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1941002
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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Add a fifo HAL for querying the doorbell token of a specific channel and
call it instead of doing the calculation directly. For Volta the token
is just the channel id plus the possible base number.
Bug 200145225
Change-Id: Ifbb150191575fdc72e413a14c799cab7e52d8c14
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1849639
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Different SKUs may require different nvlink speed and hence the
nvlink speed value should come from VBIOS. The initpll number
corresponding to speed is present in VBIOS Low Power Nvlink table
header. Parse this data from VBIOS and set corresponding nvlink
speed and minion initpll DLCMD as default.
We can no longer update the GV100 VBIOS with necessary nvlink speed
value. Hence the hardcoding stays for GV100.
The nvlink speed should match across the endpoints. So in speed_config
fops, communicate the speed to nvlink core-driver for co-ordination
with Tegra endpoint.
Bug 2418403
Change-Id: Ib6f60951d4ca1c275968707d4cc6d738ba3a3f08
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1938046
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MISRA Rule-15.6 requires that all if-else blocks and loop blocks
be enclosed in braces, including single statement blocks. Fix errors
due to single statement if-else and loop blocks without braces
by introducing the braces.
JIRA NVGPU-775
Change-Id: Ib70621d39735abae3fd2eb7ccf77f36125e2d7b7
Signed-off-by: Srirangan Madhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928745
GVS: Gerrit_Virtual_Submit
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pmuif structures refer to the ctrl structures, so that means that ctrl
structures are part of the pmuif. Move the headers to the right place
and update all include statements to include from the right place.
JIRA NVGPU-596
Change-Id: I7be1a727be654d58eccd0e12d599979687dd0733
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1934022
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MISRA Rule-17.7 requires the return value of all functions to be used.
Fix is either to use the return value or change the function to return
void. This patch contains fix for all 17.7 violations instandard C functions
in PMU files.
JIRA NVGPU-1036
Change-Id: Ie189acf13007f79a1046e8723cdec5b878d4ccc4
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929904
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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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: I9e18ffc961d485225732c34d3ca561e84d182d07
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1921370
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All the netlist parsing code is currently under GR unit, but netlist
ucode parsing does not really have any logical dependency to GR
Hence separate out a new unit common/netlist/ that parses the netlist
image and stores/exposes its content through netlist_vars structure
Structure nvgpu_netlist_vars is added to structure gk20a
Move netlist parsing code to common/netlist/netlist.c and chip
specific files to common/netlist/netlist_<chip>.c
Move simulation netlist parsing to common/netlist/netlist_sim.c
Rename g.ops.gr_ctx HAL to g.ops.netlist
Rename all the exported structures to be in the form of nvgpu_*
Rename all exported functions to be in the form of nvgpu_netlist_*()
Add netlist initialization to GPU boot path, and add deinitialization
to GPU remove path
Jira NVGPU-1317
Change-Id: I9af86e3b3230a89db5260cc8ed96ff5f72938c9a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936454
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In gk20a/gr_ctx_gk20a.c we right now directly read the GR register
gr_fecs_ctx_state_store_major_rev_id_r() which adds the dependency
to GR h/w header
Add a new HAL g.ops.gr.get_fecs_ctx_state_store_major_rev_id() to
read this register and use this instead
Also remove h/w header from gr_ctx_gk20a.c
Jira NVGPU-1317
Change-Id: Iab64fbfacff4d7ce4f3b61ca90b00ddc77e29551
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936453
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-Add support for volt device OPERATION_TYPE_IPC_VMIN
support
-Added defines required for ipc vmin operation support
-Modified volt_get_voltage_device_table_1x_psv()
to add check to support IPC_VMIN & assign pwm source
based on operation type.
JIRA NVGPU-1156
Change-Id: Ia168669ea6b5896916747fccde8c6a52c271c4e3
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1921395
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Reduce the size of memory allocations in the channel debug dump by
capturing only the necessary values from the instance block. This also
simplifies the allocation path slightly with the downside of having to
add a capture_channel_ram_dump HAL for reading the interesting parts
explicitly beforehand to the now smaller staging buffer.
Also rename struct ch_state to struct nvgpu_channel_dump_info.
Jira NVGPU-886
Change-Id: I5d7518d9d474b0b728b183383bc83d89ecf91b98
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928207
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Sometimes longer 64-bit values are composed of pairs of low and high
parts in a same nvgpu_mem. Add a function to read the two and to do the
bit ops given the low and high word offsets.
Jira NVGPU-886
Change-Id: I4fe698d7c5a891ef5740ea0fb31549195e2e6c43
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928206
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MISRA rule 10.4 doesn't allow arithmetic conversions on operands of
different essential type category.
Fix violations where an arithmetic conversion is performed on boolean
and non-boolean types.
JIRA NVGPU-994
Change-Id: I2af9937678462b632bb6ec6178e10d02104fc3bc
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1832337
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The only declaration from gr is struct nvgpu_gr_ctx and that can now be
forward-declared. Do that and remove the gr_gk20a include; add the
include to gk20a.h where it was missing.
Jira NVGPU-967
Change-Id: Idf77e7dc2ca043e9bbde9e9db03306fdd37e3c04
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1822024
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Update the PD cache code to handle 64KB pages. To do this the
number of partial/full lists is expanded for when we have 64K
pages. Currently we only explicitly support 4K and 64K page
sizes. Other pages sizes (16K for example) will fail compilation
during preprocessing.
This change also cleans up the definitions for some of the
internal structs. They have been moved into pd_cache.c since
they are not used outside of pd_cache.c.
This allows the following functions to be removed from the global
context:
__nvgpu_pd_cache_alloc_direct()
__nvgpu_pd_cache_free_direct()
They have been replaced by calls to nvgpu_pd_{alloc,free}().
The nvgpu_pd_mem_entry alloc_map also had to be expanded to a
real bitmap. 32 or 64 bits is not sufficient for packing 256
byte PDs into a 64K page (there's 256 PDs per nvgpu_pd_mem_entry
in that case). To prevent doing too many find_first_zero
operations on the bitmap an 'allocs' field was also added which
tracks how many allocs are done. We can use this instead of
comparing a mask against the bitmap to determine if an
nvgpu_pd_mem_entry is full.
Note: there's still a limitation with the TLB invalidate code:
it simply assumes an nvgpu_mem is a 1 to 1 with a PDB. This means
we can't invalidate a PDB allocated at an offset greater than 0
in a nvgpu_pd_mem_entry. This in turn means we must always use a
full page size for a context's PDB.
Bug 1977822
Change-Id: I6a7a3a95b7c902bc6487cba05fde58fbc4a25da5
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1718755
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Import userd and gpfifo buffers from userspace if provided via
NVGPU_IOCTL_CHANNEL_ALLOC_GPFIFO_EX. Also supply the work submit token
(i.e., the hw channel id) to userspace.
To keep the buffers alive, store their dmabuf and attachment/sgt handles
in nvgpu_channel_linux. Our nvgpu_mem doesn't provide such data for
buffers that are mainly in kernel use. The buffers are freed via a new
API in the os_channel interface.
Fix a bug in gk20a_channel_free_usermode_buffers: also unmap the
usermode gpfifo buffer.
Bug 200145225
Change-Id: I8416af7085c91b044ac8ccd9faa38e2a6d0c3946
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795821
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MISRA rule 21.2 doesn't allow the use of macro names which start with
an underscore. These leading underscores are to be removed from the
macro names. This patch will fix such violations by renaming them
to follow the convention, 'NVGPU_PARENT-DIR_HEADER-NAME' when there
is no keyword repetition between file name and directory or
'NVGPU_HEADER-NAME' when there is repetition.
Deviate from the convention mentioned earlier in the case of clk.h.
There are two files with name clk.h. One under include/nvgpu directory
and other on in clk/ directory. Both of them will have header guards
with name NVGPU_CLK_H under the convention. Thus clk/clk.h will have
header guard with name NVGPU_CLK_CLK_H and include/nvgpu/clk will have
header guard with name NVGPU_INCLUDE_CLK_H
JIRA NVGPU-1028
Change-Id: I386d39649f39a98019a9e06bc65c8b623a43629b
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1923539
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
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Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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MISRA rule 21.2 doesn't allow the use of macro names which start with
an underscore. These leading underscores are to be removed from the
macro names. This patch will fix such violations in hw headers
by renaming them to follow the convention, 'NVGPU_HEADER_NAME'.
JIRA NVGPU-1028
Change-Id: Ib335e3e08b5c4e0d28855e4a057c5b6aaa7a35a2
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1923546
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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MISRA rule 8.2 makes it mandatory for all function prototypes
to have named parameters. There were few instances where parameter
name(s) for function prototypes were omitted. This patch will
fix the same.
JIRA NVGPU-861
Change-Id: I6cb28482becc2938c574b7d8c6f22463d346d27a
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1917939
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struct nvgpu_channel_sync is moved to a private header i.e.
channel_sync_priv.h present in common/sync/. All accesses to callback
functions inside the struct nvgpu_channel_sync in NVGPU driver is replaced by
the public channel_sync specific APIs.
Jira NVGPU-1093
Change-Id: I52d57b3d458993203a3ac6b160fb569effbe5a66
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929783
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Add the following public APIs.
nvgpu_channel_sync_to_semaphore
nvgpu_channel_sync_semaphore_create
struct nvgpu_channel_sync_semaphore and semaphore specific static
implementations of the channel_sync callbacks as well as
definitions of the public APIs are moved to a
separate execution unit i.e. channel_sync_semaphore.c.
Jira NVGPU-1093
Change-Id: I32c62a75ef999e8f3047e2a593f77d32cbde5646
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929781
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Add the following syncpt specific APIs
nvgpu_channel_sync_get_syncpt_id
nvgpu_channel_sync_get_syncpt_address
nvgpu_channel_sync_wait_syncpt
nvgpu_channel_sync_to_syncpt
nvgpu_channel_sync_syncpt_create
Definition of struct nvgpu_channel_sync_syncpt and syncpoint
specific static implementations of the channel_sync callbacks
as well as definitions of the public APIs are moved to a
separate execution unit i.e. channel_sync_syncpt.c
Jira NVGPU-1093
Change-Id: Ib0163c6b9bc6dfc2ab2a2b7a5fa5027be13316e2
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929780
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-On Turing, LS PMU RTOS is bootstrapped by SEC2 RTOS,
so PMU needs some time to boot & get ready to process
request as boot happened bit late in flow.
-So issue here is, code execution reaches function
gk20a_init_pstate_pmu_support() to send boardobj
commands to PMU before PMU ready to accept.
-As a result, this cause command request failure
as PMU is not ready yet due to falcon clock is
slower compared CPU clock.
-To fix issue, waiting for pmu_ready flag to become
true before staring PSTATE requests to PMU.
-pmu_ready flag will be set to true as soon as
INIT message received from PMU RTOS.
-Pre Turing-PMU RTOS will be ready much ahead of
reaching this point.
JIRA NVGPU-1150
Change-Id: I4fb5d4ca6dabc22fac34ae32880d7a1f3164e1b7
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1925240
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Add nvgpu_memcpy/nvgpu_memcmp which are MISRA-compliant versions
(Rule 21.15) of memcpy/memcmp.
Also convert some clk/gr calls over to use the new routines;
all of the remaining calls will be converted in subsequent patches.
JIRA NVGPU-849
Change-Id: Ib3a602cd08886764ba9a50285462a8b07bfb18ba
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1919470
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Add macros for casting variables/costants to explicitly sized signed
integer types. These are the standard nvgpu signed integer types.
Jira NVGPU-850
Jira NVGPU-853
Jira NVGPU-851
Change-Id: Icf861458b1cc142e32d8eed2cecdc3759740867b
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1932768
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Background:
In Hypervisor mode dGPU device is configured in pass through mode for
the Guest (QNX/Linux). GMMU programming is handled by the guest which
converts a mapped buffer's GVA into SGLes in IPA (Intermediate/Guest
Physical address) which is then translated into PA (Acutual Physical
address) and programs the GMMU PTEes with correct GVA to PA mapping.
Incase of the vgpu this work is delegated to the RM server which takes care
of the GMMU programming and IPA to PA conversion.
Problem:
The current GMMU mapping logic in the guest assumes that PA range is
continuous over a given IPA range. Hence, it doesn't account for holes being
present in the PA range. But this is not the case, a continous IPA range
can be mapped to dis-contiguous PA ranges. In this situation the mapping
logic sets up GMMU PTEes ignoring the holes in physical memory and
creates GVA => PA mapping which intrudes into the PA ranges which are
reserved. This results in memory being corrupted.
This change takes into account holes being present in a given PA range and
for a given IPA range it also identifies the discontiguous PA ranges and
sets up the PTE's appropriately.
Bug 200451447
Jira VQRM-5069
Change-Id: I354d984f6c44482e4576a173fce1e90ab52283ac
Signed-off-by: aalex <aalex@nvidia.com>
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850972
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L2 interrupt is processed by first reading from MC which L2 triggered
the interrupt and then calling a function per L2 slice to get the
details. Move the outer loop to MC unit, and the inner loop and L2
accesses to LTC unit.
JIRA NVGPU-954
Change-Id: I69b7bb82e4574b0519cdcd73b94d7d3e3fa6ef9e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1851328
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Rename gk20a/dbg_gpu_gk20a.c to common/debugger.c and make it a
separate common unit
Also rename gk20a/dbg_gpu_gk20a.h to include/nvgpu/debugger.h
We had two different HALs for debugger - gops.debugger and
gops.dbg_session_ops
Combine them into one single HAL gops.debugger and remove
gops.dbg_session_ops
Rename all exported APIs from debugger.h to be in the form of
nvgpu_*()
Jira NVGPU-1013
Change-Id: I136dc7786e3b2065921eb03b99f16049212f3cd2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1920075
Reviewed-by: Sachin Jadhav <sachinj@nvidia.com>
Tested-by: Sachin Jadhav <sachinj@nvidia.com>
Address MISRA Rule 20.7 violation: Macro parameter expands into an
expression without being wrapped by parentheses.
Some of the exception the coverity is not able to catch are:
1. Macro parameters passed as parameter to another macro.
i.e NVGPU_ACCESS_ONCE. Fixing these by additional parantheses.
2. Macro parameter used as type. i.e. type parameter in container_of.
While at it, update copyright date rage for list.h and types.h.
JIRA NVGPU-841
Change-Id: I4b793981d671069289720e8c041bad8125961c0c
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929823
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
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1. Add VBIOS PS3.5 Clk programming table parsing code.
2. Update pmuifclk.h to match R400 pmu ucode pmuifclk.h
3. New clk_prog boardobj types have been added to support
PS3.5 and to match the pmu ucode side changes
4. Add PS3.5 related construct and pmudatainit fops
5. PS3.5 clk programming table has secondary VF curve entries.
Though these entries are currently marked as invalid for
all SKUs, we need to add them to match struct sizes on PMU.
6. The pmuifclk.h nvgpu<->pmu interface changes needed for
Turing(PS3.5) are NOT compatible with GV100 branched ucode.
The secondary VF curve entries added for PS3.5 increase the
entrysize breaking compatibility with GV100.
7. This change is therefore dependant on GV100 PMU ucode changes
which increase the entrysize on GV100 pmu side.
JIRA NVGPU-1153
Change-Id: I868e503f87731442aae6503872ade4c208831d34
Signed-off-by: tkudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1842627
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
