Fix CERT issue in nvgpu_gr_falcon_bind_fecs_elpg where nvgpu_pmu_pg_buf
could return NULL. nvgpu_pmu_pg_buf is called from context where PG
will be enabled hence remove the NULL return logic as it is dead
code.
Replace nvgpu_pmu_pg_buf and nvgpu_pmu_pg_buf_get_cpu_va functions by
new function nvgpu_pmu_pg_buf_alloc.
CID 17860
Bug 3512546
Change-Id: I09820a966dadeb258167ce1433ca256f94845896
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2692466
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- When DISALLOW cmd is sent from driver to PMU the actual
completion of the disallow will be acknowledged by PMU
via a PG EVENT: ASYNC_CMD_RESP.
- Disallow needs a delayed ACK from PMU in order to disable
the ELPG.
- If ELPG is already engaged, the DISALLOW cmd will trigger
ELPG exit and then transition to PMU_PG_STATE_DISALLOW.
- After this whole process is completed, PMU will send
DISALLOW_ACK through ASYNC_CMD_RESP msg.
- After disallow command is sent from the driver, NvGPU driver
waits/polls for disallow command ack. This is sent immediately
by msg framework of PMU.
- Then, the driver will poll/wait for ASYNC_CMD_RESP event which
is the delayed DISALLOW ACK.
- The driver captures the ASYNC_CMD_RESP sent from PMU.
- set disallow_state to ELPG_OFF.
- If the driver does not wait/poll for this delayed disallow
ack from PMU, it can result in erros as PMU is still
processing DISALLOW cmd but the driver progressed further.
Bug 3580271
Change-Id: I332180c05b6a398107f065d54e9718b7038fb1b2
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2689500
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
- Add PMU NVRISCV BR failure HSI support.
- Created a falcon unit function to check for the
BR competition status check and called from
other units as needed.
Bug 3491596
Bug 3366818
Change-Id: I5c3c6a7e6aeaad68f77e6b24f21239e40d9a7f78
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2686370
Reviewed-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
- MISRA Directive 4.7
Calling function "nvgpu_tsg_unbind_channel(tsg, ch, true)" which returns
error information without testing the error information.
- MISRA Rule 10.3
Implicit conversion from essential type "unsigned 64-bit int" to different
or narrower essential type "unsigned 32-bit int"
- MISRA Rule 5.7
A tag name shall be a unique identifier
JIRA NVGPU-5955
Change-Id: I109e0c01848c76a0947848e91cc6bb17d4cf7d24
Signed-off-by: srajum <srajum@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2572776
(cherry picked from commit 073daafe8a11e86806be966711271be51d99c18e)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678681
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Move ACR WPR init region cmd from ISR to LSFM as part of LSF bootstrap
request to execute the ACR commands sequentially as well as a blocking
call by polling is_wpr_init_done status till set to true. Needed to
add dealy after each ACR command for ga10b LSPMU due to nvriscv priv
lockdown for ACR commands asynchronously from the nvgpu as detailed
below,
LSPMU engages priv lockdown whenever ACR commands needs to be
processed, and nvgpu polls for interrupt status by polling
pwr_falcon_irqstat_r registers once command is sent to PMU to
process the ACK message from LSPMU if priv lockdown is not
engaged. During NVRISCV priv lockdown couple of register are
not accessible including irqstat register, priv lockdown is
done by LSPMU upon ACR command receive and its asynchronous
to nvgpu which cause nvgpu irqstat read data to be 0xbadf*
during polling at corner cases even though priv lockdown
check is present and interpreting wrongly the irq stat
register.
Add delay of 5ms after ACR command sent to LSPMU(LSPMU takes
~3.5msec to complete the command process) and before polling
the irqstat register in nvgpu to engage priv lockdown in LSPMU.
This additional delay will help to skip reading the irqstat at
corner case during the priv lockdown process.
Bug 3464141
Bug 3482947
Change-Id: I494493a92f6ede5dcb876aeb0d76d54969f0f59e
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2673246
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
This patch does the following changes:
- Compiles-out unused error reporting APIs and the related
data structures from safety build. For this purpose, it
introduces the new flag: CONFIG_NVGPU_INTR_DEBUG
- Updates nvgpu_report_err_to_sdl() API with one more argument,
hw_unit_id. This aids in finding whether an error to be reported
is corrected or uncorrected from LUT.
- Triggers SW quiesce, if an uncorrected error is reported to
Safety_Services, in safety build.
- Renames files in cic folder by replacing gv11b with ga10b,
since error reporting for gv11b is not supported in dev-main.
JIRA NVGPU-8002
Change-Id: Ic01e73b0208252abba1f615a2c98d770cdf41ca4
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2668466
Reviewed-by: Tejal Kudav <tkudav@nvidia.com>
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>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
GVS: Gerrit_Virtual_Submit
In DRIVE 6.0, NvGPU is allowed to report only 32-bit metadata to
Safety_Services. So, there is no need to have distinct APIs for
reporting errors from units like GR, MM, FIFO to SDL unit. All
these error reporting APIs will be replaced with a single API. To
meet this objective, this patch does the following changes:
- Replaces nvgpu_report_*_err with nvgpu_report_err_to_sdl.
- Removes the reporting of error messages.
- Replaces nvgpu_log() with nvgpu_err(), for error reporting.
- Removes error reporting to Safety_Services from nvgpu_report_*_err.
However, nvgpu_report_*_err APIs and their related files are not
removed. During the creation of nvgpu-mon, they will be moved under
nvgpu-rm, in debug builds.
Note:
- There will be a follow-up patch to fix error IDs.
- As discussed in https://nvbugs/3491596 (comment #12), the high
level expectation is to report only errors.
JIRA NVGPU-7450
Change-Id: I428f2a9043086462754ac36a15edf6094985316f
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2662590
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The flag pmu->pg->golden_image_initialized is set to
true during initial GPU context creation and is not
cleared while the GPU goes into pm_suspend (during railgate).
Hence, when the GPU resumes after un-railgate it retains
the previous value which can cause ELPG to kick in immediately.
Due to this, when ELPG and Railgating are enabled, IDLE_SNAP
is seen for read access of gr_gpc0_tpc0_sm_arch_r reg.
To resolve this, if golden image is ready set the
pmu->pg->golden_image_initialized to suspend state during railgate,
to delay the early enable of ELPG. Add a new
pmu_init_golden_img_state hal in the NVGPU_INIT_TABLE_ENTRY.
This will be called after all the GR access is done and GPU resumes
completely after un-railgate. This hal will then check if
golden_image_initialized flag is in suspend state, it will set it
to ready state and then re-enable ELPG.
Bug 3431798
Change-Id: I1fee83e66e09b6b78d385bbe60529d0724f79e79
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2639188
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
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GVS: Gerrit_Virtual_Submit
- When DISALLOW cmd is sent from driver to PMU the actual
completion of the disallow will be acknowledged by PMU
via a new RPC: ASYNC_CMD_RESP.
- Disallow needs a delayed ACK from PMU in order to disable
the ELPG.
- If ELPG is already engaged, the DISALLOW cmd will trigger
ELPG exit and then transition to PMU_PG_STATE_DISALLOW.
- After this whole process is completed, PMU will send
DISALLOW_ACK through ASYNC_CMD_RESP RPC.
- After disallow command is sent from the driver, NvGPU driver
waits/polls for disallow command ack. This is sent immediately
by RPC framework of PMU.
- Then, the driver will poll/wait for ASYNC_CMD_RESP event which
is the delayed DISALLOW ACK.
- The driver captures the ASYNC_CMD_RESP RPC sent from PMU.
- set disallow_state to ELPG_OFF.
- If the driver does not wait/poll for this delayed disallow
ack from PMU, it can result in pmu halt issues as PMU is still
processing DISALLOW cmd but the driver progressed further which
can result in errors.
Bug 3430273
Bug 3439350
Change-Id: If2acf8391d18cd3c6b8b07e3bf6577667ec99eea
Signed-off-by: Divya <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2631214
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Most of the Orin chip specific code is compiled out of safety build
with CONFIG_NVGPU_NON_FUSA and CONFIG_NVGPU_HAL_NON_FUSA. Remove the
config protection from Orin/GA10B specific code. Currently all code
is enabled. Code not required in safety will be compiled out later
in separate activity.
Other noteworthy changes in this patch related to safety build:
- In ga10b_ce_request_idle(), add a log print to dump num_pce so that
compiler does not complain about unused variable num_pce.
- In ga10b_fifo_ctxsw_timeout_isr(), protect variables active_eng_id and
recover under CONFIG_NVGPU_KERNEL_MODE_SUBMIT to fix compilation
errors of unused variables.
- Compile out HAL gops.pbdma.force_ce_split() from safety since this HAL
is GA100 specific and not required for GA10B.
- Compile out gr_ga100_process_context_buffer_priv_segment() with
CONFIG_NVGPU_DEBUGGER.
- Compile out VAB support with CONFIG_NVGPU_HAL_NON_FUSA.
- In ga10b_gr_intr_handle_sw_method(), protect left_shift_by_2 variable
with appropriate configs to fix unused variable compilation error.
- In ga10b_intr_isr_stall_host2soc_3(), compile ELPG function calls
with CONFIG_NVGPU_POWER_PG.
- In ga10b_pmu_handle_swgen1_irq(), move whole function body under
CONFIG_NVGPU_FALCON_DEBUG to fix unused variable compilation errors.
- Add below TU104 specific files in safety build since some of the code
in those files is required for GA10B. Unnecessary code will be
compiled out later on.
hal/gr/init/gr_init_tu104.c
hal/class/class_tu104.c
hal/mc/mc_tu104.c
hal/fifo/usermode_tu104.c
hal/gr/falcon/gr_falcon_tu104.c
- Compile out GA10B specific debugger/profiler related files from
safety build.
- Disable CONFIG_NVGPU_FALCON_DEBUG from safety debug build temporarily
to work around compilation errors seen with keeping this config
enabled. Config will be re-enabled in safety debug build later.
Jira NVGPU-7276
Change-Id: I35f2489830ac083d52504ca411c3f1d96e72fc48
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2627048
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nvgpu_timeout_init() returns an error code only when the flags parameter
is invalid. There are very few possible values for flags, so extract the
two most common cases - cpu clock based and a retry based timeout - to
functions that cannot fail and thus return nothing. Adjust all callers
to use those, simplfying error handling quite a bit.
Change-Id: I985fe7fa988ebbae25601d15cf57fd48eda0c677
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2613833
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* As of now, working on multiple chip bringup in nvgpu-next repo has
an issue because we end with losing control on source code (hard to
find which part of the code belongs to which chip) and it's valuable
history this affects chip migration on release.
* To support multiple chip bringup simultaneously, we need new
guidelines to avoid losing control on source code and make migration
easier. This change adds links to nvgpu-next repo.
* Updated return code to ENODEV for consistency
* Updated ACR unittest to work with ENODEV return code
NOTE:
These are the initial set of infrastructure changes, guidelines
will evolve, and source code will get updated accordingly.
Based on future chip features, Which part of the source code falls
under nvgpu-next repo is decided.
JIRA NVGPU-6574
Change-Id: I81827e35d189c55554df00e255b527a4473e0338
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2556793
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Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
ELPG initialization thread creation can fail when the process is killed.
That leads to driver resume failure.
That thread was stopped on suspend and re-created on resume. To avoid
the issue above, don't stop the ELPG thread in suspend and let the
first created thread handle the ELPG state transitions always.
And stop the ELPG thread during unload.
Also fix couple of instances of config flag as:
s/CONFIG_PMU_POWER_PG/CONFIG_NVGPU_POWER_PG
bug 3345977
Change-Id: I8952edf8d1664ed258f238e265002e716d1bf5c2
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2573763
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: Ashish Mhetre <amhetre@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
This change adds lsf_ucode_desc_wrapper to hold the pkc signature
header and corresponding lsf_lsb_header_v2. During blob preparation
based on the flag is_sig_pkc, the new header defines will be
packed into ls blob and passed to acr.
The flag NVGPU_PKC_LS_SIG_ENABLED is also added, which will be set
based on the acr core selection.
JIRA NVGPU-6365
Change-Id: I74e25d7c0f69d4007893e46006f97f2a607fd11f
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Signed-off-by: deepak goyal <dgoyal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2506136
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Enable nvriscv debug buffer feature in NVGPU.
Debug buffer is a feature to print the debug log from ucode onto console
in real time.
Debug buffer feature uses the DMEM, queue and SWGEN1 interrupt to share
ucode debug data with NVGPU.
Ucode writes debug message to DMEM and updates offset in queue to trigger
interrupt to NVGPU.
NVGPU copies the debug message from DMEM to local buffer to process and
print onto console.
Debug buffer feature is added under falcon unit and required engine
can utilize the feature by providing required param through public
functions.
Currently GA10B NVRISCV NS/LS PMU ucode has support for this feature
and enabled support on NVGPU side by adding required changes, with this
feature enabled, it is now possible to see prints in real time.
JIRA NVGPU-6959
Change-Id: I9d46020470285b490b6bc876204f62698055b1ec
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548951
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: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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- Fix GSP/PMU registers priv errors which are seen as part of boot sequence.
- Couple of GSP/PMU Falcon/NVRISCV registers are allowed to access
upon NVRISCV bootrom completion but these registers were needed
to configure on legacy chips to bootstrap/configure Falcon.
- Add is_falcon2_enabled or NVGPU_PMU_NEXT_CORE_ENABLED check
to skip these registers.
JIRA NVGPU-7025
Change-Id: I087a477ade6736398dea113f89894a0ff73ae647
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2553127
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Replace all nvgpu_next functions/structs either by 1) collapsing them
into nvgpu legacy functions/structs 2) renaming them as follows:
- nvgpu_next_*() => nvgpu_(ga10b/ga100)_*()
- nvgpu_next_*() => (ga10b/ga100)_*()
- nvgpu_next_*() => nvgpu_*() [only if this doesn't cause collision]
- nvgpu_next_*() = > nvgpu_*_extra()
Create hal.sim unit and move Ampere+ SIM code into it.
Jira NVGPU-4771
Change-Id: I215594a0d0df4bd663bd875a0d0db47bcb9ff6a2
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548056
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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The CONFIG_NVGPU_NEXT config is no longer required now that ga10b and
ga100 sources have been collapsed. However, the ga100, ga10b sources
are not safety certified, so mark them as NON_FUSA by replacing
CONFIG_NVGPU_NEXT with CONFIG_NVGPU_NON_FUSA.
Move CONFIG_NVGPU_MIG to Makefile.linux.config and enable MIG support
by default on standard build.
Jira NVGPU-4771
Change-Id: Idc5861fe71d9d510766cf242c6858e2faf97d7d0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2547092
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-Update SSMD array size to hold all supported super-surface
members
-Handle the error and report if invalid SSMD ID is found.
issue: At present SSMD array size set to 32 but overall
33 super-surface members are supported, when 33rd member
accessed system crash happened due to overflow access,
so fixing it by setting the SSMD array size to actual
number of super-surface members supported
Bug 200721968
Bug 200721966
Change-Id: I5ba1084a661d7497056f13a053d2fc79d50f595c
Signed-off-by: mkumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2528569
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Lazy bootstrap is a secure iGPU feature where LS falcons(FECS and
GPCCS) are bootstrapped by LSPMU in both cold boot and recovery boot.
As there is no ACR running after boot, we need LSPMU to bootstrap LS
falcons to support recovery.
In absence of LSPMU, ACR will bootstrap LS falcons but recovery is
not supported.
This CL will enable Low secure falcon manager(lsfm) to support
Lazy bootstrap feature. This will allow nvgpu to send cmds
to lspmu to bootstrap LS falcons.
Bug 200709761
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I65d17cf5e07a45c040a9bb75f75cf18eb509cd4f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2506162
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit