There are many miscellaneous HALs for various MM related functionality.
This patch aims to migrate all the remaining MM code from the <chip>/
mm_<chip>.[ch] files in HAL files under hal/.
Much of this is fairly straightforward copy/paste and updates to the
HAL init files.
The exception to that is the move of the left over gv11b MMU fault
handling code in mm_gv11b.c. Having both a hal/mm/mm/mm_gv11b.c and
a gv11b/mm_gv11b.c file causes tmake to choke so the gv11b/mm_gv11b.c
file was moved to gv11b/mmu_fault_gv11b.c. This will be cleaned up in
a subsequent patch.
JIRA NVGPU-2042
Change-Id: I12896de865d890a61afbcb71159cff486119ffb8
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2109050
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The alloc_insty_block() function in the MM HAL is not a HAL. It does
not abstract any HW accesses; instead it just wraps a dma allocation.
As such remove it from the HAL and move the single gk20a implementation
to common/mm/mm.c as nvgpu_alloc_inst_block().
JIRA NVGPU-2042
Change-Id: I0a586800a11cd230ca43b85f94a35de107f5d1e1
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2109049
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Move remaining chip specific gr hal files to hal.gr.gr unit.
Remove unused headers include from hal files in hal.gr.gr unit
Update gr hal headers include location in the files currently
using these headers.
Jira NVGPU-3219
Change-Id: Ic632020a90ac4b8ac1e0359e979864b42f0ef2c0
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2105489
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Renamed
- gk20a_tsg_set_runlist_interleave -> nvgpu_tsg_set_interleave
Moved set_interleave from runlist to tsg
- runlist.set_interleave -> tsg.set_interleave
Existing HAL was only setting tsg->interleave, and was not
accessing any register. This is now done in nvgpu_tsg_set_interleave
and tsg.set_interleave is only used in vgpu case.
Jira NVGPU-3156
Change-Id: I5dac1305afcbd950214316289cf704ee8b43fc89
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100610
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Moved the following HALs from fifo to tsg
- set_timeslice
- default_timeslice_us
Renamed
- gk20a_tsg_set_timeslice -> nvgpu_tsg_set_timeslice
- min_timeslice_us -> tsg_timeslice_min_us
- max_timeslice_us -> tsg_timeslice_max_us
Scale timeslice to take into account PTIMER clock in
nvgpu_runlist_append_tsg.
Removed gk20a_channel_get_timescale_from_timeslice, and
instead moved timeout and scale computation into runlist HAL,
when building TSG entry:
- runlist.get_tsg_entry
Use ram_rl_entry_* accessors instead of hard coded values
for default and max timeslices.
Added #defines for min, max and default timeslices.
Jira NVGPU-3156
Change-Id: I447266c087c47c89cb6a4a7e4f30acf834b758f0
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100052
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Move the gk20a_init_mm_setup_hw to common code. This function just
calls HALs to initialize various bits of HW. However, since this
code assumes that (some of) the HALs are present this code is treated
as a vGPU HAL (that is it's NULL for vGPU).
This patch also renames the MM HW init HAL.
Sicne the gv11b variant of this setup_hw HAL did have some differences
from the gk20a version the new common version required some work. The
gv11b code was copied into the common function but now the gv11b
specific calls were HAL'ified (since they will need to be anyway for
the MMU fault buf code) and protected by an if-condition.
JIRA NVGPU-2042
Change-Id: I959293394ee8793923d858ee37b7ce346096654f
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2104541
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This "HAL" exists to handle the vGPU specific bind channel operation.
This patch moves the native function implementation to common/mm/vm.c
and renames the gk20a to nvgpu to follow the convention for vGPU vs
native HAL functions.
JIRA NVGPU-2042
Change-Id: I02b9ebf0d53d58a6d2ede544e34f2b8ff1b1eb42
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2104540
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MISRA rule 11.3 states that a cast shall not be performed between
a pointer to object type and a pointer to a different object type.
The following gr context routines convert a gr context buffer pointer
in the form of a u8 * to a u32 * before referencing the context buffer's
contents:
* gm20b_ctxsw_prog_check_main_image_header_magic
* gm20b_ctxsw_prog_check_local_header_magic
* gm20b_ctxsw_prog_get_num_gpcs
* gm20b_ctxsw_prog_get_num_tpcs
* gm20b_ctxsw_prog_get_extended_buffer_size_offset
* gm20b_ctxsw_prog_get_ppc_info
* gm20b_ctxsw_prog_get_local_priv_register_ctl_offset
Because the gr context buffer pointer starts out as a u32 * the
conversion to a u8 * isn't strictly necessary.
So this patch eliminates the conversion and the 11.3 rule violations
accordingly.
JIRA NVGPU-782
Change-Id: I0d24b539ad6ee8e56318287ce8640764285ed54d
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2102986
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cyclestats_snapshot data and lock is right now stored in struct nvgpu_gr
Use case itself is not specific to GR engine but in general it applies
to other units outside of GR too.
Hence it makes sense to move both data and lock to struct gk20a instead
of keeping them in struct nvgpu_gr
Update all cyclestats_snapshot code to refer data/lock from struct gk20a
Remove gr_priv.h header include from cyclestats_snapshot.c
Some of the functions were mistakenly declared in gr_gk20a.h.
Move them to cyclestats_snapshot.h and rename them to form nvgpu_css_*()
Jira NVGPU-1103
Change-Id: I3fb32fe96f0ca6613f4640c8bd227b9e0e02dca3
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2104848
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struct gr_gk20a defines boolean flag golden_image_initialized to
indicate if golden_image is initialized or not
common.gr.obj_ctx also added a flag of its own to check if golden_image
is ready
Add new API nvgpu_gr_obj_ctx_is_golden_image_ready() in
common.gr.obj_ctx unit to get status of golden_image
Use this new API everywhere to check if golden image is ready
Remove g->gr.ctx_vars.golden_image_initialized
Also remove ctx_mutex from struct gr_gk20a
Add new flag golden_image_initialized to struct nvgpu_pmu_pg and set it
when golden image is initialized. This is needed to avoid circular
dependency between GR and PMU
Jira NVGPU-3112
Change-Id: Id391294cede6424e15a9a9de29c40d013b509534
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099400
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Move gr_gk20a_handle_fecs_error from gr_gk20a.c to
nvgpu_gr_intr_handle_fecs_error in common.gr.intr unit
Move gr_gp10b_handle_fecs_error and gr_gv11b_handle_fecs_error
to hal.gr.intr unit
JIRA NVGPU-3016
Change-Id: I5b7c48ebfd7b13f497980c4d0b64d718649154bd
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2103741
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Move gr_gp10b_handle_sm_exception from gr_gp10b to
gp10b_gr_intr_handle_sm_exception in hal.gr.intr unit
Move gr_gk20a_handle_sm_exception from gr_gk20a to
nvgpu_gr_intr_handle_sm_exception in common.gr.intr
Move nvgpu_report_gr_sm_exception to common.gr.intr
JIRA NVGPU-3016
Change-Id: I545ddca052122f87685f35f515831841a246dab3
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2103736
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Make a hal/mm/gmmu sub-unit for the GMMU HAL code. Also move the
gk20a specific HAL code there. gp10b will happen in the next patch.
This change also updates all the GMMU related HAL usage, of which
there is quite a bit. Generally the only change is a .gmmu needs to
be inserted into the HAL path. Each HAL init was also updated.
JIRA NVGPU-2042
Change-Id: I6c46bdfddb8e021f56103d9457fb3e2a226f8947
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099693
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g->ops.gr.get_preemption_mode_flags() hal is used to fetch information
on supported preemption modes and default preemption mode
Temporary struct nvgpu_preemption_modes_rec is used for this purpose
and is defined in gk20a/gr_gk20a.h right now.
Split above hal into two separate hals and move them to hal.gr.init unit
g->ops.gr.init.get_supported__preemption_modes()
g->ops.gr.init.get_default_preemption_modes()
These hals now return respective flags in pointers passed in function
parameter list, so there is no need to use temporary structure anymore
Hence delete struct nvgpu_preemption_modes_rec
Implement gm20b/gp10b chip specific hals in hal.gr.init unit.
Delete g->ops.gr.get_preemption_mode_flags() hal
Jira NVGPU-3126
Change-Id: I84f507fcd8d122bb7f0ecf697e8b4f16c9339ce1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2102455
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Basic units like fifo, rc are having dependency on
gr_falcon. Avoided outside gr units dependency on gr_falcon
by moving following functions to gr:
int nvgpu_gr_falcon_disable_ctxsw(struct gk20a *g,
struct nvgpu_gr_falcon *falcon); ->
int nvgpu_gr_disable_ctxsw(struct gk20a *g);
int nvgpu_gr_falcon_enable_ctxsw(struct gk20a *g,
struct nvgpu_gr_falcon *falcon); ->
int nvgpu_gr_enable_ctxsw(struct gk20a *g);
int nvgpu_gr_falcon_halt_pipe(struct gk20a *g); ->
int nvgpu_gr_halt_pipe(struct gk20a *g);
HALs also moved accordingly and updated code to reflect this.
Also moved following data back to gr from gr_falcon:
struct nvgpu_mutex ctxsw_disable_mutex;
int ctxsw_disable_count;
JIRA NVGPU-3168
Change-Id: I2bdd4a646b6f87df4c835638fc83c061acf4051e
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100009
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Move chip specific preempt code to hal/fifo
Move non-chip specific preempt code to common/fifo
Remove fifo.get_preempt_timeout
Rename gk20a_fifo_get_preempt_timeout -> nvgpu_preempt_get_timeout
Rename gk20a_fifo_preempt -> nvgpu_preempt_channel
Add fifo.preempt_trigger hal for issuing preempt
Add fifo.preempt_runlists_for_rc hal for preempting runlists during rc
Add fifo.preempt_poll_pbdma hal
Add nvgpu_preempt_poll_tsg_on_pbdma to be called from rc
JIRA NVGPU-3144
Change-Id: Idb089acaa0c6ca08de17487c3496459a61f0bcd4
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100819
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Add esr_bpt_pending_events hal to report the type of
esr_bpt_pending_events to isr to process.
Add hal functions in gr instead of moving to gr.intr unit, as it
is part of non safety code.
JIRA NVGPU-1891
Change-Id: I70d75686042f97aa0e820d7982e95354971c9074
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100669
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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 fixes for all 17.7 violations
in the following units:
- nvgpu.common.hal.fifo.runlist
- nvgpu.common.hal.fifo.fifo
JIRA NVGPU-3039
Change-Id: I9483f5cb623cfe36d6b26e41c33f124c24710c08
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2098765
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gfxp_wfi_timeout_count/unit fields were stored in gr_gk20a.ctx_vars
struct so that any user could configure them through sysfs nodes
But the sysfs nodes are legacy and not being actively used by anyone.
Hence delete the sysfs nodes to configure these fields.
Since the gfxp timeout unit/count can now be statically programmed,
make following changes
- remove g->ops.gr.init_gfxp_wfi_timeout_count() hal
- remove g->ops.gr.get_max_gfxp_wfi_timeout_count() hal
- update g->ops.gr.init.preemption_state() hals to configure the values
using macros instead of caller passing the values
- update g->ops.gr.init.gfxp_wfi_timeout() hals to configure the values
using macros instead of caller passing the values
Finally, we don't need to store gfxp_wfi_timeout_count/unit fields
anymore, hence delete them from gr_gk20a.ctx_vars
Jira NVGPU-3112
Change-Id: Idbe5ab3053228dd177aca253545aac36d38ca8ad
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2100219
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Debug boolean flag dump_ctxsw_stats_on_channel_close is right now stored
in gr_gk20a.ctx_vars struct
This flag logically is property of gr.ctx units since it indicates
whether each context should dump ctxsw stats on channel/context close
Move this flag to struct nvgpu_gr_ctx_desc and remove it from
gr_gk20a.ctx_vars
Expose below API from gr.ctx unit to check if flag is set
nvgpu_gr_ctx_desc_dump_ctxsw_stats_on_channel_close()
Move debugfs creation code to create corresponding debugfs to
gr_gk20a_debugfs_init() and change debugfs type from "u32" to "file"
Struct gr.gr_ctx_desc is created only during first poweron.
Return error if this struct is not available.
Remove unnecessary initialization of this variable from platform
specific probe functions
Jira NVGPU-3112
Change-Id: Id675e047237f82e9b8198a42082e99c95824578f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099399
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Debug boolean flags force_preemption_gfxp and force_preemption_cilp are
right now stored in gr_gk20a.ctx_vars struct
These flags logically are property of gr.ctx units since they indicate
whether each context should be forced to gfxp/cilp preemption mode by
default
Move these flags to struct nvgpu_gr_ctx_desc and remove them from
gr_gk20a.ctx_vars
Expose below APIs from gr.ctx unit to check if flags are set
nvgpu_gr_ctx_desc_force_preemption_gfxp()
nvgpu_gr_ctx_desc_force_preemption_cilp()
Move debugfs creation code to create corresponding debugfs to
gr_gk20a_debugfs_init() and change debugfs type from "u32" to "file"
Struct gr.gr_ctx_desc is created only during first poweron.
Return error if this struct is not available.
Remove unnecessary initialization of these variables from platform
specific probe functions
Jira NVGPU-3112
Change-Id: I8b2de27f0c71dd2ea5abcf94221c2e15c80073ea
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099398
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Removed unused struct from gr_gk20a.h
Change static allocation for struct gr_gk20a to dynamic type.
Change all the files that being affected by that change.
Call gr allocation from corresponding init_support functions, which
are part of the probe functions.
nvgpu_pci_init_support in pci.c
vgpu_init_support in vgpu_linux.c
gk20a_init_support in module.c
Call gr free before the gk20a free call in nvgpu_free_gk20a.
Rename struct gr_gk20a to struct nvgpu_gr
JIRA NVGPU-3132
Change-Id: Ief5e664521f141c7378c4044ed0df5f03ba06fca
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2095798
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Renamed and moved from fifo_gk20a.c to common/fifo/engines.c
gk20a_fifo_should_defer_engine_reset -> nvgpu_engine_should_defer_reset
Renamed and moved from fifo_gk20a.c to common/fifo/channel.c
gk20a_fifo_deferred_reset -> nvgpu_channel_deferred_reset_engines
JIRA NVGPU-1314
Change-Id: Ifc32ff4dde398143b83c2c1b6fab896142574240
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
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Rename the two native GPU GMMU map/unmap functions and update the
HAL initializations to reflect this:
gk20a_locked_gmmu_map -> nvgpu_gmmu_map_locked
gk20a_locked_gmmu_unmap -> nvgpu_gmmu_unmap_locked
This matches what other units do for handling vGPU "HAL" indirection.
Also move the function declarations to <nvgpu/gmmu.h> since these are
shared among all non-vGPU chips. But since these are still technically
HAL operations they should never be called directly. This is a bit of
an organixational issue that I have not thought through hwo to solve
yet.
Ideally they would go into a "hal/mm/gmmu/" include somewhere, but
that A) doesn't yet exist, and B) those are chip specific; these
functions are native specific. Ugh.
JIRA NVGPU-2042
Change-Id: Ibc614f2928630d12eafcec6ce73019628b44ad94
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2099692
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Move the nvgpu_report_gr_exception call from gr_gk20a to
gr_intr.c as nvgpu_gr_intr_report_exception
Move local function gk20a_gr_get_channel_from_ctx to gr_intr.c
as nvgpu_gr_intr_get_channel_from_ctx
JIRA NVGPU-1891
Change-Id: I21521ad50989582d8f166a98a21ea3b1dcd3bbff
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2098229
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Add a new MM HAL directory to contain all MM related HAL units.
As part of this change add cache unit to the MM HAL. This contains
several related fixes:
1. Move the cache code in gk20a/mm_gk20a.c and gv11b/mm_gv11b.c to
the new cache HAL. Update makefiles and header includes to take
this into account. Also rename gk20a_{read,write}l() to their
nvgpu_ variants.
2. Update the MM gops: move the cache related functions to the new
cache HAL and update all calls to this HAL to reflect the new
name.
3. Update some direct calls to gk20a MM cache ops to pass through
the HAL instead.
4. Update the unit tests for various MM related things to use the
new MM HAL locations.
This change accomplishes two architecture design goals. Firstly it
removes a multiple HW include from mm_gk20a.c (the flush HW header).
Secondly it moves code from the gk20a/ and gv11b/ directories into
more proper locations under hal/.
JIRA NVGPU-2042
Change-Id: I91e4bdca4341be4dbb46fabd72622b917769f4a6
Signed-off-by: Alex Waterman <alexw@nvidia.com>
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