nvgpu_gr_engine_interrupt_mask() earlier returned mask of all GR engine
instance interrupts. During device refactor series, this got changed to
return interrupt of only first instance.
Change this again to return interrupt mask of all the GR engine
instances since common.mc unit does not yet support APIs to enable
interrupt of individual GR instance.
Update nvgpu_gr_get_syspipe_id() API to take gr_instance_id as parameter
instead of struct nvgpu_gr pointer. Definition of struct nvgpu_gr is not
available outside of common.gr unit.
Jira NVGPU-5648
Change-Id: I5320d1515eea6054150dc14706a16475bd650da7
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2405409
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GVS: Gerrit_Virtual_Submit
Rename gr_init_reset_enable_hw() to gr_init_prepare_hw() since this
function does not actually do reset, but just prepares the HW
after reset for other SW/HW initialization.
Add a new function gr_init_prepare_hw_impl() that executes per-instance
sequence to prepare GR hardware. Execute this inside
nvgpu_gr_exec_with_ret_for_each_instance().
Note that enabling GR engine interrupts in MC is still expected to
be done in one shot hence keep that code outside of
gr_init_prepare_hw_impl()
Remove redundant calls to gops.gr.init.fifo_access() and
enable_gr_interrupts() from gr_init_setup_hw().
gr_init_prepare_hw() does this already and executes before
gr_init_setup_hw()
Jira NVGPU-5648
Change-Id: If0b7207f80c2fb00d894afebce04b06b7b61d432
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2405408
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GVS: Gerrit_Virtual_Submit
Add a new header file <nvgpu/gr/gr_instances.h> that supports below
macros to execute various functions for GR instances
1) nvgpu_gr_exec_for_each_instance
Execute a function for each GR instance by configuring GR remap
window for that instance. Function being executed returns void.
2) nvgpu_gr_exec_with_ret_for_each_instance
Execute a function for each GR instance by configuring GR remap
window for that instance. Function being executed returns an error.
3) nvgpu_gr_exec_for_all_instances
Execute a function for all GR instances at once. For this GR remap
window needs to be disabled temporarily.
If CONFIG_NVGPU_MIG is disabled, all above macros will turn into simple
funciton calls.
If CONFIG_NVGPU_MIG is disabled or if runtime flag NVGPU_SUPPORT_MIG is
disabled, all above macros will turn into simple function calls that
configure single GR instance.
Separate out GR engine reset code into new API gr_reset_engine() and
execute it with nvgpu_gr_exec_with_ret_for_each_instance().
PROD values need to be loaded in legacy mode, hence call
nvgpu_cg_init_gr_load_gating_prod() inside
nvgpu_gr_exec_for_all_instances().
Rename gr_init_prepare_hw() to more appropriate
gr_reset_hw_and_load_prod()
Moe gops.gr.init.fifo_access() call to gr_init_reset_enable_hw().
Add new API nvgpu_grmgr_get_gr_syspipe_id() to query GR instance syspipe
id from common.grmgr unit. Add nvgpu_gr_get_syspipe_id() that returns
same value stored in nvgpu_gr struct.
Add cur_gr_instance field to struct nvgpu_gr to track current GR
instance being programmed under remap window.
Jira NVGPU-5648
Change-Id: I86920303427a6e6547ebf195daa37438365bb38e
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2403550
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GPC reset is right now triggered from common.mc unit for NVGPU_NEXT.
Move the triggers to common code in common.gr unit. This way it is much
more cleaner to handle multiple GR instances (added in subsequent patch)
Hardcode GR engine instance to 0 for now since by default there is only
one GR engine instance.
Jira NVGPU-5648
Change-Id: I3fd4d0a50db5a8c4b3decf1df881af323cea50c1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2403549
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Following changes are made in this patch.
1) Change unnamed structs within gpu_ops to named structs
with the prefix gops_*.
2) Each named struct gops_ are moved into a separate gops specific file
under include/nvgpu/gops/
3) struct gpu_ops is moved into a separate file include/nvgpu/gpu_ops.h
and all other dependent struct gops_* are included in this header.
4) Direct references to include/nvgpu/gops are removed from files as its enough
to include gk20a.h.
Change-Id: Ieb22cb853be567e3bef14f5f8a04674eebd902ea
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2398776
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GVS: Gerrit_Virtual_Submit
common.gr unit exports a separate API nvgpu_gr_prepare_sw to
initialize some SW pieces required for nvgpu_gr_enable_hw().
A separate API is really unnecessary since same initialization
can be performed in nvgpu_gr_alloc().
Remove nvgpu_gr_prepare_sw() and HAL gops.gr.gr_prepare_sw().
Initialize falcon and interrupt structures in loop from
nvgpu_gr_alloc().
Move nvgpu_netlist_init_ctx_vars() from nvgpu_gr_prepare_sw() to
common init path since netlist parsing need not be done from
common.gr unit. It just needs to happen before nvgpu_gr_enable_hw().
Also, trigger nvgpu_gr_free() from gr_remove_support() instead
of OS specific paths. Also remove nvgpu_gr_free() calls from
probe error paths since nvgpu_gr_alloc is no longer called in
probe path.
Move interrupt and falcon data structure free calls to nvgpu_gr_free().
Also remove corresponding unit testing code that tests
nvgpu_gr_prepare_sw() specifically.
Update some unit tests to initialize ecc counters and netlist.
Disable some unit tests that fail for reasons unknown.
Jira NVGPU-5648
Change-Id: I82ec8160f76530bc40e0c11a9f26ba1c8f9cf643
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2400166
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Add new API nvgpu_grmgr_get_num_gr_instances() that returns number of
GR instance enumerated by GR manager. This just returns number of sys
pipes enabled since it is same as number of GR instances.
For consistency until common.gr supports multiple GR instances
completely, add a temporary macro NVGPU_GR_NUM_INSTANCES and set it
to 1. If this macro is changed to 0 (for local MIG testing), fall
back to use nvgpu_grmgr_get_num_gr_instances() to get enumerated number
of GR instances.
Use a for loop to initialize other variables of struct nvgpu_gr.
Remove unnecessary NULL check in nvgpu_gr_alloc() since struct gk20a
pointer can never be NULL in this path. Also remove corresponding unit
test code.
Jira NVGPU-5648
Change-Id: Id151d634a23235381229044f2a9af89e390886f2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2400151
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Delete the struct nvgpu_engine_info as it's essentially identical to
struct nvgpu_device. Duplicating data structures is not ideal as it's
terribly confusing what does what.
Update all uses of nvgpu_engine_info to use struct nvgpu_device. This
is often a fairly straight forward replacement. Couple of places though
where things got interesting:
- The enum_type that engine_info uses is defined in engines.h and
has a bit of SW abstraction - in particular the GRCE type. The only
place this seemed to be actually relevant (the IOCTL providing device
info to userspace) the GRCE engines can be worked out by comparing
runlist ID.
- Addition of masks based on intr_id and reset_id; those can be
computed easily enough using BIT32() but this is an area that
could be improved on.
This reaches into a lot of extraneous code that traverses the fifo
active engines list and dramtically simplifies this. Now, instead of
having to go through a table of engine IDs that point to the list of
all host engines, the active engine list is just a list of pointers to
valid engines. It's now trivial to do a for-all-active-engines type
loop. This could even be turned into a generic macro or otherwise
abstracted in the future.
JIRA NVGPU-5421
Change-Id: I3a810deb55a7dd8c09836fd2dae85d3e28eb23cf
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2319895
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struct nvgpu_gr is right now initialized during probe and from OS
specific code. To support multiple instances of graphics engine,
nvgpu needs to initialize nvgpu_gr after number of engine instances
have been enumerated in poweron path.
Hence move nvgpu_gr_alloc() to poweron path and after gr manager has
been initialized.
Some of the members of nvgpu_gr are initialized in probe path and they
too are in OS specific code. Move them to common code in
nvgpu_gr_alloc()
Add field fecs_feature_override_ecc_val to struct gk20a to store the
override flag read from device tree. This flag is later copied to
nvgpu_gr in poweron path.
Update tpc_pg_mask_store() to check for g->gr being NULL before
accessing golden image pointer.
Update tpc_fs_mask_store() to return error if g->gr is not initialized.
This path needs nvgpu_gr struct initialized. Also fix the incorrect
NULL pointer check in tpc_fs_mask_store() which breaks the write path
to this sysfs.
Jira NVGPU-5648
Change-Id: Ifa2f66f3663dc2f7c8891cb03b25e997e148ab06
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2397259
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The driver configures the sm hww global, warp ESR report masks during poweron
as part of gops_gr.gr_init_support. However, during golden context init, these
are overwritten with default entries from sw_ctx_load list; this leaves the
report masks in a state inconsistent with the driver expectation.
The driver should configure the sm hww warp, global ESR report masks during
golden context init and not before it; Hence, move set_hww_esr_report_mask from
power-on path to golden context init.
In addition, update set_hww_esr_report_mask to do RMW, so as to retain the
values loaded from sw_ctx_load list.
Update global ESR report mask to enable all exceptions.
Bug 3029888
Bug 2997718
Change-Id: Id7ad4cff5409982143f49695c95c5e1d1c9fdec9
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2367466
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GVS: Gerrit_Virtual_Submit
Add the following gr gops functions:
- enable_gpc_crop_hww
- enable_gpc_zrop_hww
- handle_gpc_crop_hww
- handle_gpc_zrop_hww
- handle_gpc_rrh_hww
These gr gops will be used in nvgpu-next.
Add function: nvgpu_gr_rop_offset to compute rop pri offsets.
Jira: NVGPU-5237
Change-Id: I9e2437c1d2893238b16ec7a134543e20c81b49f7
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2335687
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Add new unit test to cover gops.gr.init.ecc_scrub_reg HAL function
gops.gr.init.ecc_scrub_reg HAL can generate TIMEOUT errors which are
not returned to caller currently. Update this HAL to return int value
for error propagation.
Jira NVGPU-4458
Change-Id: I98f4d5af2ef17cc4301951fec4d660638c8ef72c
Signed-off-by: dnibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2265456
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Split GR ECC initialization into GPC/TPC and FECS ECC init as FECS ECC
errors during acr_construct_execute need to be reported and handled
hence FECS ECC counters are required to be initialized before
acr_construct_execute.
GPC/TPC ECC counters are dependent on the GR config that will be
initialized only after acr_construct_execute.
nvgpu_gr_intr_init_support is moved to nvgpu_gr_prepare_sw.
FECS ECC interrupt is enabled by default hence interrupt is not
enabled through gr_fecs_host_int_enable_r in nvgpu_gr_prepare_sw.
JIRA NVGPU-4439
Change-Id: Ifc9912f0578015a6ba1e9d38765c42633632b15f
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2261987
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* Updated types and added error checks
* Modified GR condition for ctxsw disable count
CERT-C error check was added to detect error on integer overflow
But below logic couldn't detect first overflow, so updated condition
INT_MAX < gr->ctxsw_disable_count --> it became true after overflow
So, we didn't detected in first overflow and lead to assert on enable
JIRA NVGPU-3400
Change-Id: I6b0265a464f8f19efa7b0761612c6e9ffb3bd2bd
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2206282
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Previously, unit interrupt enabling/disabling and corresponding MC level
interrupt enabling/disabling was not done at the same time.
With this change, stall and nonstall interrupt for units are programmed
at MC level along with individual unit interrupts. Kept access to MC
interrupt registers through mc.intr_lock spinlock.
For doing this separated CE and GR interrupt mask functions.
mc.intr_enable is only used when there is global interrupt
control to be set. Removed mc_gp10b.c as mc_gp10b_intr_enable
is now removed. Removed following functions - mc_gv100_intr_enable,
mc_gv11b_intr_enable & intr_tu104_enable. Removed intr_pmu_unit_config
as we can use the generic unit interrupt control function.
JIRA NVGPU-4336
Change-Id: Ibd296d4a60fda6ba930f18f518ee56ab3f9dacad
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2196178
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To enable ecc interrupts early during nvgpu_finalize_poweron, ecc
support has to be enabled early. ecc support was being initialized
together for GR, LTC, PMU, FB units late in the poweron sequence.
Move the ecc init for each unit to respective unit's init functions.
And separate out the hal ecc functions from GR ecc unit to
respective hal units.
JIRA NVGPU-4336
Change-Id: I2c42fb6ba3192dece00be61411c64a56ce16740a
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2239153
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gk20a.h will include gops_mc.h to contain the mc ops definitions. Add
doxygen comments for the HAL functions that are called directly.
Also move mc_gp10b_intr_pmu_unit_config to non-fusa HAL file.
JIRA NVGPU-2524
Change-Id: I4f326332d7842211b004b372d79fac9fe6ed40e7
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2226017
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nvgpu.common.unit was just an enum used for passing to nvgpu.common.mc
APIs. So, move the enum into mc.h, and replace the include of unit.h
with mc.h where appropriate. And update the yaml arch.
JIRA NVGPU-4144
Change-Id: I210ea4d3b49cd494e43add1b52f3fbcdb020a1e3
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2216106
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Add doxygen documentation for private GR structures defined in:
gr/gr_config_priv.h
gr/gr_falcon_priv.h
gr/gr_intr_priv.h
gr/gr_priv.h
Remove "p_va" field from struct nvgpu_ctxsw_ucode_info since it is
unused.
Compile out "pm_ctxsw_image_size" with flag CONFIG_NVGPU_DEBUGGER.
Compile out "preempt_image_size" with flag CONFIG_NVGPU_GRAPHICS.
Replace eUcodeHandshakeInitComplete enum value by macro
FALCON_UCODE_HANDSHAKE_INIT_COMPLETE. And remove enum value
eUcodeHandshakeMethodFinished since it is unused.
Compile "ctxsw_disable_mutex" and "ctxsw_disable_count" in struct
nvgpu_gr only if CONFIG_NVGPU_RECOVERY or CONFIG_NVGPU_DEBUGGER is
defined
Jira NVGPU-4028
Change-Id: Ie8769c1f3f8d313b479b182d3858a6715d49cd4c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2201373
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Add doxygen documentation for gr/gr_falcon.h header
Also move below functions under appropriate compile time flag:
- nvgpu_gr_falcon_get_pm_ctxsw_image_size() under CONFIG_NVGPU_DEBUGGER
- nvgpu_gr_falcon_get_preempt_image_size() under CONFIG_NVGPU_GRAPHICS
- nvgpu_gr_falcon_get_fecs_mutex() under CONFIG_NVGPU_ENGINE_RESET
- nvgpu_gr_falcon_bind_fecs_elpg() under CONFIG_NVGPU_POWER_PG
Also remove CONFIG_NVGPU_GRAPHICS flag used for falcon methods related
to ELPG. Use CONFIG_NVGPU_POWER_PG instead.
Jira NVGPU-4028
Change-Id: I8b93b786a2fca90998e6c1204e0a17843bc577b0
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2197148
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Reviewed-by: Vinod Gopalakrishnakurup <vinodg@nvidia.com>
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Add macros for whitelisting coverity violations. These macros use pragma
directives. The pragma directives and whitelisting macros are only
enabled when a coverity scan is being run.
The whitelisting macros have been added to a new header called
static_analysis.h. The contents of safe_ops.h (CERT C safe ops) have
been moved into static_analysis.h because this will be the new header
for static analysis related macros/defines/etc.
JIRA NVGPU-3820
Change-Id: I9c63f20f670880b420415535738034619314b7c3
Signed-off-by: Adeel Raza <araza@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2180600
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g->ops.gr.init.get_access_map() returns whitelist of register addresses
that can be accessed by SET_FALCON methods when added into pushbuffer.
SET_FALCON method does not need to be supported in safety.
Hence install an empty register access map in safety build by adding
a new flag CONFIG_NVGPU_SET_FALCON_ACCESS_MAP.
Compile out g->ops.gr.init.get_access_map() and code that writes
whitelist in access map buffer.
Note that we still need to configure base address of access map in
context image even for safety.
Jira NVGPU-3995
Bug 2686235
Change-Id: I111b46f96821a09929aff32fcba5bb2215c81b9a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2185469
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Add doxygen documentation for gr/gr.h header.
Also add necessary plumbing to add common.gr unit documentation HTML
link.
Fix gr_init_reset_enable_hw() to return error code in case of error.
Compile nvgpu_gr_enable_ctxsw()/nvgpu_gr_disable_ctxsw() only if
debugger or recovery support is enabled.
Jira NVGPU-3911
Change-Id: Iaa942748a00aeffce9349cb0669d2cd5baca1e55
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2180312
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Fix MISRA C-2012 Rule 10.3 error in common.gr unit
misra_c_2012_rule_10_3_violation: Implicit conversion of
"!!(gr->ctxsw_disable_count < 0)" from essential type "boolean" to
different or narrower essential type "signed 32-bit int".
Jira NVGPU-3622
Change-Id: I27fb1aa64906242230678dff345307eb0a2d7bdc
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2140940
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
