1. Registers NV_PLTCG_LTC0_LTS0_DSTG_ECC_REPORT and
NV_PLTCG_LTC0_LTS0_DSTG_ECC_ADDRESS are
deprecated. Remove them.
2. Define NV_PLTCG_LTC0_LTS0_INTR3 for ga100.
3. Add fields and constants for the register
NV_PLTCG_LTC0_LTS0_L2_CACHE_ECC_ADDRESS.
4. Add new fields for the register
NV_PLTCG_LTC0_LTS0_L2_CACHE_ECC_CONTROL.
Bug 3446731
Change-Id: I3e41198b7b2e75ff69b5c6193e6fd54efae15752
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2633958
Reviewed-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
- Make the domain scheduler timeslice type nanoseconds to future proof
the interface
- Return -ENOSYS from ioctls if the nvs code is not initialized
- Return the number of domains also when user supplied array is present
- Use domain id instead of name for TSG binding
- Improve documentation in the uapi headers
- Verify that reserved fields are zeroed
- Extend some internal logging
- Release the sched mutex on alloc error
- Add file mode checks in the nvs ioctls. The create and remove ioctls
require writable file permissions, while the query does not; this
allows filesystem based access control on domain management on the
single dev node.
Jira NVGPU-6788
Change-Id: I668eb5972a0ed1073e84a4ae30e3069bf0b59e16
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2639017
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Move away from the prototype call in channel wdt worker and create a
separate worker thread for the domain scheduler. The details of runlist
domains are still encapsulated in the runlist code; the domain scheduler
controls when to switch domains. Switching happens based on domain
timeslices or when the current domain is deleted.
The worker thread is paused on railgate and spun back on poweron. The
scheduler data was also left dangling, so fix that by deinitializing all
nvs-related when gk20a_remove_support() is called. The runlist domains
already get freed as part of fifo removal.
Jira NVGPU-6427
Change-Id: I64f42498f8789448d9becdd209b7878ef0fdb124
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2632579
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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>
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GVS: Gerrit_Virtual_Submit
WARN() and WARN_ON() are most useful when the log explains where they
happened. The posix implementation of these prints neither that nor the
warning message (if any). Extend the macros to include function name and
line number, and print those plus the format string.
Actually formatting the format string is problematic wrt. MISRA rules,
so the arguments are not formatted.
The implementation of BUG() already prints the function name and line
number.
Change-Id: Ie246a915f5e8420e1c606bb1555a7f9b498725fd
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2634105
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GVS: Gerrit_Virtual_Submit
Now that the main nvsched code exists in the nvgpu build, make it
control the runlist domains. As a new nvs domain is created, create the
relevant runlist data too. To support the default domain, create a
default nvs domain at boot.
The scheduling domain code owns the responsibility of domain lifetime,
and runlist domains exist to serve that logic although the RL domains
are directly used by channel and TSG logic. Add refcounting to the
scheduler uapi level to make sure that busy domains (that still have TSG
participants) do not get removed too early.
Adjust error injection sensitive unit tests to match the updated logic.
Jira NVGPU-6425
Jira NVGPU-6427
Change-Id: I1beec97c54c60ad334165b1c0acb5e827c24f2ac
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2632287
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Add ioctls for creating, removing and querying scheduling domains and
interface with the "nvsched" entity that will be the core scheduler.
Include the scheduler in the Linux build.
The core scheduler code will ultimately hold data on and control what
gets scheduled, but this intermediate layer in nvgpu-rm needs a bit of
bookeeping to manage the userspace interface.
To keep changes isolated, this does not touch the internal runlist
domains yet. The core scheduler logic will eventually control the
runlist domains.
Jira NVGPU-6788
Change-Id: I7b4064edb6205acbac2d8c593dad019d517243ce
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2463625
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The list of valid class numbers is inconsistent between SWUD and code.
Remove the non-Volta class numbers from the valid list to ensure
consistency.
Also, there are some common.class files in safety build which are not
needed. Remove files hal/class/class_gm20b.h and
hal/class/class_gp10b.h from safety build.
Enhance common.class SWUD to include hyperlinks and input parameter
validation information.
JIRA NVGPU-6645
JIRA NVGPU-6991
Change-Id: I91f76dfed17bad1ed946070d0c96732047fd4548
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2603768
(cherry picked from commit af36b956ef12d1ef09aed6757d68d5866303b931)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2634753
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
- Separate out local golden context memory allocation from
nvgpu_gr_global_ctx_init_local_golden_image() into a new function
nvgpu_gr_global_ctx_alloc_local_golden_image().
- Add a new member local_golden_image_copy to struct
nvgpu_gr_obj_ctx_golden_image to store copy used for context
verification.
- Allocate local golden context memory from nvgpu_gr_obj_ctx_init()
which is called during poweron path.
- Remove memory allocation from nvgpu_gr_obj_ctx_save_golden_ctx().
- Disable test test_gr_obj_ctx_error_injection since it needs rework
to accomodate the new changes.
- Fix below tests to allocate local golden context memory :
test_gr_global_ctx_local_ctx_error_injection
test_gr_setup_alloc_obj_ctx
Bug 3307637
Change-Id: I2f760d524881fd328346838ea9ce0234358f8e51
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2633713
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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 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
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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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Add support for adding and deleting domains for all runlists together.
The core scheduler logic will control runlist domains.
Initially, however, it may be necessary to only actually schedule only
the GR runlist, but keeping the runlist code agnostic of such scheduling
logic helps isolate the control complexity.
NVGPU-6425
Change-Id: Id6039bd37a293a2cf3eaee5ed84d35459e8b89e7
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2628049
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When there are multiple scheduling domains, each runlist pointer has to
be switched according to the active scheduling policy. For now implement
a trivial round robin policy to loop the domains over, just sufficient
for testing. In the future the switching will be owned by the scheduler
code, but this helps prepare the design for that.
The switching will not do anything if there is only one domain, so
current functionality is not affected.
For simplicity, all runlists are switched at the same time. In the
future, it may be desirable to swap e.g. only the GR runlist and keep
others running free, outside scheduler control.
Jira NVGPU-6427
Jira NVGPU-6425
Change-Id: Ic68c13e97761bbdc210c74794de8ccb8dbd45587
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2628048
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GVS: Gerrit_Virtual_Submit
On certain platforms, not all copy engine instances are usable. The user
shouldn't submit any work to these engines. To enforce this, remove
these engines from active/host_engine list, this should ensure that these
engines do not get advertised to userspace. In order to accomplish this
introduce the following functions:
- nvgpu_engine_remove_one_dev: This function removes the specified device
entry from following device lists: fifo->host_engines, fifo->active_engines,
runlist->rl_dev_list, runlist->eng_bitmask.
Replace iteration over LCE device type entries using
nvgpu_device_for_each(g, dev, NVGPU_DEVTYPE_LCE), along with this introduce
macro nvgpu_device_for_each_safe.
Introduce gpu_dbg_ce flag for CE debugging.
Bug 3370462
Change-Id: I2e21f18363c6e53630d129da241c8fece106cd33
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2616711
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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GVS: Gerrit_Virtual_Submit
On production boards, there is requirement to disable GPU
profiler and debugger support. Add DT property 'support-gpu-tools'
which can be modified to enable/disable debugger/profiler support.
The default behavior is to enable the debugging features and set
'support-gpu-tools' to 1. This property is chosen to be u32 value
to be in sync with GPU vserser property by same name.
The debugger/profiler support is disabled by skipping the creation
of below nodes under /dev/nvgpu/:
1. ctxsw
2. dbg
3. prof
4. prof-dev
5. prof-ctx
Bug 200773450
JIRA NVGPU-7109
Change-Id: I86d72d17fa7f5492e117a4c1cd1144623e9b6132
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2592012
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Introduce HAL function gops.mssnvlink.get_links, this function retrieves
the number of nvlinks supported by the chip along with their base
addresses.
Update ga10b_mssnvlink_init_soc_credits to call mssnvlink.get_links.
Jira NVGPU-6641
Change-Id: I4ff857925f126bf41dc83eebc5723403244f66b0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618368
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Make ga10b_init_nvlink_soc_credits OS agnostic by replacing OS
specific functions with corresponding nvgpu wrappers. This function is now
assigned to gops.mssnvlink.init_soc_credits HAL.
Introduce nvgpu wrapper, nvgpu_io_map/unmap to map/unmap specified
physical address range.
Jira NVGPU-6641
Change-Id: I337bc75b8ec36552fe471bf5e42f62c19f67ed4a
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618237
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Start transitioning from an assumption of a single runlist buffer to the
domain based approach where a TSG is a participant of a scheduling
domain that then owns has a runlist buffer used for hardware scheduling.
Concretely, move the concept of a runlist domain up to the users of the
runlist code. Modifications to a runlist need to specify which domain is
modified.
There is still only the default domain that is created at boot.
Jira NVGPU-6425
Change-Id: Id9a29cff35c94e0d7e195db382d643e16025282d
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2621213
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GVS: Gerrit_Virtual_Submit
Move the active_channels and active_tsgs bitmaps from struct
nvgpu_runlist to struct nvgpu_runlist_domain. A TSG and its channels are
currently active as part of a runlist; in the future, a runlist may be
switched from multiple domains that each are a collection of TSGs.
The changes are still internal to the runlist code. Users of runlists
need no modifications.
Jira NVGPU-6425
Change-Id: I2d0e98e97f04b9716bc3f4890cf881735d0ab664
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618387
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The current runlist code assumes a single runlist buffer to hold all TSG
and channel entries. Create separate RL domain and domain memory types
to hold data that is related to only a scheduling domain and not
directly to the runlist hardware; in the future, more than one domains
may exist and one of them is enabled at a time.
The domain is used only internally by the runlist code at this point and
is functionally equivalent to the current runlist memory that houses the
round robin entries.
The double buffering is still kept, although more domains might benefit
from some cleverness. Although any number of created domains may be
edited in runtime, nly one runlist memory is accessed by the hardware at
a time. To spare some contiguous memory, this should be considered an
opportunity for optimization in the future.
Jira NVGPU-6425
Change-Id: Id99c55f058ad56daa48b732240f05b3195debfb1
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2618386
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GVS: Gerrit_Virtual_Submit
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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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The implementation already exists. This change
adds NVGPU_GR_ZBC_TYPE_STENCIL and plumbs through
the stencil value from NvRmGpuDeviceZbcAddStencil
through NVGPU_GPU_IOCTL_ZBC_SET_TABLE.
Adds cases for querying the stencil values,
enabling NvRmGpuDeviceZbcGetStencilTableEntry.
Bug 3403523
Bug 3395601
Change-Id: I42c9a2967d0433e0bb08343aabeff0fe465f231e
Signed-off-by: Pyarelal Knowles <pknowles@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554963
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Fix PMM litter values for ROP and LTC units.
The ROP unit has been moved from FBP to GPC, hence, introduce new litter
constants:
- GPU_LIT_PERFMON_PMMGPC_ROP_DOMAIN_START
- GPU_LIT_PERFMON_PMMGPC_ROP_DOMAIN_COUNT
Previous PMMFBP_ROP litter constants are removed.
Update GPU_LIT_PERFMON_PMMFBP_LTC_DOMAIN_COUNT to 4.
Jira NVGPU-7204
Change-Id: If3b5e278099ac0d503a3535f1b9b328dc105488b
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2607544
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Reduce debug logs printed when gpu_dbg_info or gpu_dbg_fn is set.
- Add gpu_dbg_verbose flag for more verbose debug prints. Update prints
in to ga10b_gr_init_wait_idle(), gm20b_gr_init_wait_fe_idle(),
gv11b_gr_init_write_bundle_veid_state() and
gv11b_gr_init_load_sw_veid_bundle().
- Add gpu_dbg_hwpm flag for hwpm specific debug prints. Update print in
nvgpu_gr_hwpm_map_create().
- Add gpu_dbg_mm for MM specific debug prints. Update prints in
gm20b_fb_tlb_invalidate(), gk20a_mm_fb_flush(),
gk20a_mm_l2_invalidate_locked(), gk20a_mm_l2_flush() and
gv11b_mm_l2_flush().
- Remove gpu_dbg_fn mask print in gr_ga10b_create_priv_addr_table(),
gr_gk20a_get_pm_ctx_buffer_offsets(), gr_gv11b_decode_priv_addr() and
gr_gv11b_create_priv_addr_table().
Jira NVGPU-7183
Change-Id: I9842d567047cb95a42e23b5907ae324214eed606
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2602797
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
