MISRA Rule 10.1 states that operands shall not be of an inappopriate
essential type. For example, shift and bitwise operations should only
be performed on operands of essentially unsigned type.
This patch modifies gr exception handling to no longer use bitwise OR
when generating return status values.
Instead, the first non-zero status value is saved off and returned.
This has the added benefit of not potentially ORing together errno
values and generating an undefined status code.
JIRA NVGPU-650
Change-Id: If725a560c122d2cbf12e79b58161402da2023b5b
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1999098
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Move regops (gk20a/regops_gk20a.c) to separate unit common/regops/regops.c
Move corresponding header (gk20a/regops_gk20a.h) to include/nvgpu/regops.h
Move rest of the platform HAL files to common/regops/ as well
Fix all the header includes to include new public header
Remove *_apply_smpc_war() declarations from headers. Corresponding
functions were cleaned up already, and declarations were left somehow
Jira NVGPU-620
Change-Id: I8b8065b9c91f69809bdeb1b4caecdc7582c8a992
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
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Replace nvgpu locks to vanilla Linux locks. For the custom kernel
driver when they include nv-p2p.h, nvgpu/linux/lock.h will not be
available because nvgpu/linux/lock.h is not copied to
/usr/src/kernel_header_file.
Bug 200438879
Change-Id: I55b52c6f791970650388b7d51c4d30b5fe75bbb8
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1997950
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-Earlier, with DMEM queue, if command needs in/out payload
then space needs to be allocated in DMEM/FB-surface &
copy payload in allocated space before sending command
by providing payload info in sending command .
-With FBQ, command in/out payload is also part of FB command
queue element & not required to allocate separate space in
DMEM/FB-surface, so added changes to handle FBQ payload request
while sending command & also in response handler to extract
data from out payload.
JIRA NVGPU-1579
Change-Id: Ic256523db38badb1f9c14cbdb98dc9f70934606d
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1966741
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-Added NVGPU_SUPPORT_PMU_RTOS_FBQ feature to enable
FBQ support.
-Add support to read PMU RTOS init message from
FBQ message queue to process init message &
construct FBQ for further communication
with PMU RTOS ucode.
-Added functions to init FB command/message queues
as per init message inputs from PMU RTOS ucode.
JIRA NVGPU-1578
Change-Id: If2678d20f7195e6e8cba354b7dca5117003e3c29
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1964068
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-FBQ(command/message queue) will be part of super surface
which will reside in FB.
-FBQ access should happen using falcon generic queue functions
so added FBQ related functions under falcon queue as needed
to support FBQ.
-Additional FBQ related public functions exposed as command
buffer is constructed in sysmem buffer which will be copied
to actual FBQ element buffer & also, payload is part of queue
element which needs some queue parameters access from client
JIRA NVGPU-1577
Change-Id: I3ae097e378fd162bb779aaae986b2fae306238d9
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1777939
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gk20a_remove_gr_support() is freeing the local_golden_image and
local_golden_image->context. But there are instances where
local_golden_image is not allocated since freeing an
unallocated golden context image accesses the contents of
local_golden_image causes a fault.
Check golden_image_initialized flag before freeing
local_golden_image->context.
Jira NVGPU-1648
Bug 2461665
Change-Id: I19235d2ec9d77ba4ef00257f43436448f5f70b25
Signed-off-by: Prateek sethi <prsethi@nvidia.com>
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Allow using Makefile.sources in different build types by passing
the build flags from Makefile.tmk to Makefile.sources.
At the same time utilize the build flag to exclude common/nvlink.c
from POSIX build, but keep it for non-POSIX build.
JIRA NVGPU-1734
Change-Id: I116dcfdbef46bfd3d49d21ad1022bdaba3ba8253
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
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The Tegra SOC nvlink driver and dGPU nvlink driver depend on
struct definitions, macros and functions exposed by nvlink-core
driver. The nvlink-core driver is not part of the nvgpu driver,
hence we should not be directly accessing any core driver
APIs/macros/structs from the /common/nvlink code. Common code can
only use nvgpu internal APIs. We wrap all calls from common/nvlink.c
to other drivers in nvgpu wrappers, and define the implementation of
wrappers in os/linux and os/nvgpu_rmos, and stub them in os/posix.
Also, we remove the implicit inclusion of OS specific nvlink header
file via common nvgpu/nvlink.h. So the OS specific code needs to
explicitly add OS specific header file.
JIRA NVGPU-966
Change-Id: I65c67e247ee74088bb1253f6ae4c8d0c49420a98
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1990071
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Two new fifo hals are added.
read_pbdma_data and reset_pbdma_header.
In turing the instruction that caused the interrupt
will be stored in NV_PPBDMA_PB_DATA0 register or
NV_PPBDMA_HDR_SHADOW register, which is decided based on
NV_PPBDMA_PB_COUNT value and PB_HEADER type
JIRA NVGPU-1240
Change-Id: I54a92e317a6054335439d2d61bced28aff3eecb7
Signed-off-by: Vinod G <vinodg@nvidia.com>
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While not necessary for MISRA compliance purposes, this change
modifies the linux platform clk code use of container_of() to follow
similar changes applied to address the following rule violations:
* Rule 11.3 : A cast shall not be performed between a pointer to
object type and a pointer to a different object type.
* Rule 11.8 : A cast shall not remove any const or volatile
qualification from the type pointed to be a pointer.
* Rule 20.7 : Expressions resulting from the expansion of macro
parameters shall be enclosed in parentheses.
This patch replaces the to_clk_gk20a() macro with a new (static)
clk_gk20a_from_hw() function that eliminates the Rule 11.8 and
Rule 20.7 violations and exchanges the Rule 11.3 violation with
an advisory Rule 11.4 violation.
It should be noted that the replacement function still contains
potentially dangerous (and non-MISRA compliant code) and that it is
expected that deviation requests will be filed for the new advisory
rule violations where appropriate.
JIRA NVGPU-782
Change-Id: Ia702cca1e3fc1a57771d0d6db2fd3b4788ac49b8
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1995893
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Regops does not depend on debug session logically
We right now include debugger.h in regops_gk20a.c to extract
channel pointer from debug session and to check if session is for
profiling or not
Update exec_regops_gk20a() to receive channel pointer and profiler
flag directly as parameters, and remove dbg_session_gk20a from
parameter list
Remove ((!dbg_s->is_profiler) && (ch != NULL)) checks from
check_whitelists(). Caller of exec_regops_gk20a() already ensures
that we have context bound for debug session
Use only is_profiler boolean flag in this case which should be
sufficient
Remove (ch == NULL) check in check_whitelists() if regops is of
type gr_ctx. Instead move this check to earlier function call
in validate_reg_ops(). If we have non-zero context operation on
a profiler session, return error from validate_reg_ops()
Update all subsequent calls with appropriate parameter list
Remove debugger.h include from regops_gk20a.c
Jira NVGPU-620
Change-Id: If857c21da1a43a2230c1f7ef2cc2ad6640ff48d9
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
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We use below APIs to update patch context
gr_gk20a_ctx_patch_write_begin()
gr_gk20a_ctx_patch_write_end()
gr_gk20a_ctx_patch_write()
Since patch context is owned by gr/ctx unit, move these APIs
to this unit and rename them to
nvgpu_gr_ctx_patch_write_begin()
nvgpu_gr_ctx_patch_write_end()
nvgpu_gr_ctx_patch_write()
Jira NVGPU-1527
Change-Id: Iee19c7a71d074763d3dcb9b1997cb2a3159d5299
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1989214
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We currently load and create new graphics context image in
gr_gk20a_load_golden_ctx_image()
This API will first load local golden image in new context
image and then initialize context appropriately by calling
g->ops.gr.ctxsw_prog() HALs
Move this sequence to gr/ctx unit and rename the API as
nvgpu_gr_ctx_load_golden_ctx_image()
Note that call to g->ops.gr.update_ctxsw_preemption_mode()
is moved out of this API and called directly from
gk20a_alloc_obj_ctx()
Jira NVGPU-1527
Change-Id: Id5a5b2cd2c0704fbefe536d581a37a60ec185ea9
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1989157
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All slave clock should be quantized as per step size.
TU104 has 15Mhz as step size.
Enable clk_arb without enabling clk_freq_controller.
clk_freq_controller is not needed for Auto use case.
Increase the maxclk only when master is less that slave clock.
This is needed when gpcclk is less than slave P0 min.
Use get_status to get Vim and use it for change sequencer.
Add support for Device Events
Bug 200454682
Bug 2481917
Change-Id: Ie0c404f4b77e41f6a1719b52d6e29a5ac757b41b
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1994831
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Currently, there is free space of 3MB with current implementation due to
gap between WPR & NON-WPR offset, with this PMU buffers are allocated
between this space & some are after WPR.
So, modified WPR to allocate at 0th offset of bootstrap-region of VIDMEM
& NON-WPR to be at WPR+WPR_SIZE offset of bootstrap-region to make
contiguous free space available till end of bootstrap-region of VIDMEM.
Increased WPR/NON-WPR size from 1MB to 2MB as LS falcon managed
count increased to 4 for Turing & remains 2MB for previous chips too.
Bug 200476497
Change-Id: I92ca5bc9a571330d75a66ce820a1c82442c1f200
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1994653
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The container_of() macro used in nvgpu produces the following
set of MISRA required rule violations:
* Rule 11.3 : A cast shall not be performed between a pointer to
object type and a pointer to a different object type.
* Rule 11.8 : A cast shall not remove any const or volatile
qualification from the type pointed to be a pointer.
* Rule 20.7 : Expressions resulting from the expansion of macro
parameters shall be enclosed in parentheses.
Using the same modified implementation of container_of() as that
used in the nvgpu_list_node/nvgpu_rbtree_node routines eliminates
the Rule 11.8 and Rule 20.7 violations and exchanges the Rule 11.3
violation with an advisory Rule 11.4 violation.
This patch uses that same equivalent implementation in two new
(static) functions that are used to replace the references to
container_of() in common semaphore code:
* nvgpu_semaphore_pool_from_ref
* nvgpu_semaphore_from_ref
It should be noted that replacement functions still contain
potentially dangerous (and non-MISRA compliant code) and that it is
expected that deviation requests will be filed for the new advisory
rule violations accordingly.
JIRA NVGPU-782
Change-Id: I79c0b6fc4fa819c92985f2e2239e9d1d7137618d
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1995937
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MISRA Rule 10.3 prohibits implicit assignment of an object of different
essential type or narrower type. This change addresses a number of
miscellaneous violations in gr_gv11b.c.
JIRA NVGPU-1008
Change-Id: I92f5fb38be6c09a7b363646028460a24763f2810
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
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MISRA Rule 10.3 prohibits implicit assignment of an object of different
essential type or narrower type.
This change fixes a number of MISRA 10.3 violations with booleans in
gr_gv11b.c.
JIRA NVGPU-1008
Change-Id: Ia4821930d14b06ae6bc10d0b02f57d0aef22f358
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
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Reported issue, potentially overflowing expression with type u32
is evaluated using 32bit arithmetic and then used in a context that
expects an expression of type 64.
Type cast the 32 bit to 64bit variable before applying the
arithmetic left shift.
Fix Coverity ID 8387800
Change-Id: I7a988eedf91f82b21b8bc6c35606d80cfb2d083b
Signed-off-by: Vinod G <vinodg@nvidia.com>
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Add common files to POSIX build, and enable most of the common feature
flags nvgpu has enabled in other builds.
As consequence common code now uses more APIs that need to be stubbed
in POSIX build, so add stubs posix-dt.c, posix-nvhost.c, posix-vgpu.c,
and posix-vidmem.c.
JIRA NVGPU-1734
Change-Id: I936c5886229cb4d47cab4f42b013ff77f9e45482
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add a stub POSIX version of __nvgpu_mem_create_from_phys. That allows
building nvgpu code that is behind NVHOST compilation option.
JIRA NVGPU-1734
Change-Id: I12d80e69e78d975141d690bc3f37220ecb5bcc89
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
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