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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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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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
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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Add api nvgpu_gr_setup_set_preemption_mode() in common.gr.setup to
set various preemption modes
Define new hal g->ops.gr.setup.set_preemption_mode() that calls above
common api
Move corresponding code from gr_gp10b.c to common.gr.setup unit
Jira NVGPU-1886
Change-Id: I7cb0187a4809156e5f90f39727a782b17219afa3
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2092170
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Add below apis in common.gr.setup to allocate/free context
nvgpu_gr_setup_alloc_obj_ctx()
nvgpu_gr_setup_free_gr_ctx()
Define two new hals
g->ops.gr.setup.alloc_obj_ctx()
g->ops.gr.setup.free_gr_ctx()
Move corresponding code from gr_gk20a.c to common.gr.setup unit
Jira NVGPU-1886
Change-Id: Icf170a6ed8979afebcedaa98e3df1483437b427b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2092169
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force_reset_ch obtains a tsg from a channel first before proceeding
with other work. Thus, force_reset_ch is moved as part of tsg unit to
avoid circular dependency between channel and tsg. TSGs can depend on
channels but channel cannot depend on TSGs.
Jira NVGPU-2978
Change-Id: Ib1879681287971d2a4dbeb26ca852d6b59b50f6a
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2084927
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Add new unit common.gr.setup that provides runtime setup interfaces to
other units outside of GR unit or to OS-specific code
Move zcull setup call to this unit.
New unit now exposes nvgpu_gr_setup_bind_ctxsw_zcull() to setup zcull
This API internally calls common.gr.zcull API nvgpu_gr_zcull_ctx_setup()
Add new hal g->ops.gr.setup.bind_ctxsw_zcull() and remove
g->ops.gr.zcull.bind_ctxsw_zcull()
Remove nvgpu_channel_gr_zcull_setup() from channel unit
Also remove ctx/subctx header includes sicne channel code need not
configure zcull
Remove gm20b_gr_bind_ctxsw_zcull() since binding is done from common
code
Jira NVGPU-1886
Change-Id: I6f04d19a8b8c003734702c5f6780a03ffc89b717
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2086602
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On gp10b, ramfc contains information related to syncpoint
protection, which restricts the syncpoint increment operation
to a safe set of syncpoints. This information must be
updated when a syncpoint is assigned to a channel.
Added the following ramfc HALs
- ramfc.get_syncpt
- ramfc.set_syncpt
And replaced
- fifo.resetup_ramfc
With
- channel.set_syncpt
Use new ramfc HALs, move resetup_ramfc implementation
from fifo to common channel code:
- nvgpu_channel_set_syncpt
NVGPU-1750
Change-Id: I036a0b7b2d9fd6ccd9f30094ae33e6c38a96e0cc
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2075938
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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timeout_ms_max is renamed as ctxsw_timeout_max_ms
timeout_debug_dump is renamed as ctxsw_timeout_debug_dump
timeout_accumulated_ms is renamed as ctxsw_timeout_accumulated_ms
timeout_gpfifo_get is renamed as ctxsw_timeout_gpfifo_get
gk20a_channel_update_and_check_timeout is renamed as
nvgpu_channel_update_and_check_ctxsw_timeout
JIRA NVGPU-1312
Change-Id: Ib5c8829c76df95817e9809e451e8c9671faba726
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2076847
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We have 3 header files for FECS tracing support
include/nvgpu/gr/fecs_trace.h : common header
include/nvgpu/ctxsw_trace.h : header that includes both common and
os-specific functions
os/linux/ctxsw_trace.h : linux specific header
Remove the second header since it is not needed.
Move all structures that are needed in common code to
include/nvgpu/gr/fecs_trace.h
Move all function declarations that are needed in common code to
include/nvgpu/gr/fecs_trace.h
Move all linux specific declarations in os/linux/ctxsw_trace.h and
rename this file as os/linux/fecs_trace_linux.h
Also rename os/linux/ctxsw_trace.c to os/linux/fecs_trace_linux.c
Jira NVGPU-1880
Change-Id: I05cc4489c4b6a64880b7d59c02b22cd2244d5e22
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2070766
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The following changes are done in this patch.
1) gk20a_fifo_get_engine_info() is moved to common/fifo/engine.c
and is renamed to gk20a_fifo_get_active_engine_info() to reflect
accurately the purpose of the function.
2) move the definition of enum fifo_engine to <nvgpu/engines.h> and
add the prefix NVGPU_
3) move the following functions related to engines in fifo_gk20a.c to
common/fifo/engines.c and replace their signature by adding the prefix
nvgpu_engine and removing gk20a_fifo.
gk20a_fifo_get_active_engine_info
gk20a_fifo_engine_enum_from_type
gk20a_fifo_get_engine_ids
gk20a_fifo_is_valid_engine_id
gk20a_fifo_get_gr_engine_id
gk20a_fifo_act_eng_interrupt_mask
gk20a_fifo_engine_interrupt_mask
gk20a_fifo_get_all_ce_engine_reset_mask
Jira NVGPU-1315
Change-Id: I63d9dcd905a0bebcc9a4c65776cf6ec7a0837acf
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2011298
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Drop the "runlist_" part in the runlist section of the HAL ops. For
example:
- old: g->ops.runlist.runlist_wait_pending
- new: g->ops.runlist.wait_pending
At the same time, drop the "fifo_" part from the function names. For
example:
- old: gk20a_fifo_runlist_wait_pending
- new: gk20a_runlist_wait_pending
Also rename eng_runlist_base_size to count_max. The size of the
eng_runlist_base register array depicts the maximum possible number of
runlists in the chip for which count_max is more descriptive.
Jira NVGPU-1309
Change-Id: Ie9e94b9f65cd10d3e682d19954f240adb6e311be
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017403
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Split out ops that belong to channel unit to a new section called
channel. Channel is a broad concept; this includes just the code that
accesses channel registers (ccsr_*). This is effectively just renaming;
the implementation still stays put.
The word "channel" is also dropped from certain HAL entries to avoid
redundancy (e.g., channel.disable_channel -> channel.disable).
fifo.get_num_fifos gets an entirely new name: channel.count.
Jira NVGPU-1307
Change-Id: I9a08103e461bf3ddb743aa37ababee3e0c73c861
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2017261
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Add NVGPU_DBG_GPU_IOCTL_CYCLE_STATS to debugger node, to
install/uninstall a buffer for cycle stats.
Add NVGPU_DBG_GPU_IOCTL_CYCLE_STATS_SNAPSHOT to debugger
node, to attach/flush/detach a buffer for Mode-E streamout.
Those ioctls will apply to the first channel in the debug session.
Bug 200464613
Jira NVGPU-1442
Change-Id: I0b96d9a07c016690140292fa5886fda545697ee6
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2002060
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Add new unit common/gr/ctx.c to manage GR context
This unit provides interfaces to allocate/free/map/unmap GR context,
patch context, pm context, ctxsw {preempt/spill/betacb/pagepool/rtvcb}
buffers.
It also provides APIs to set size of above buffers
Add new header file include/nvgpu/gr/ctx.h to declare all the interfaces.
Move nvgpu_gr_ctx, patch_desc, pm_ctx_desc, zcull_ctx_desc structures
to this unit
Add new structure nvgpu_gr_ctx_desc to hold context description
parameters. For now we add sizes of all the buffers here.
Add this structure to gr_gk20a for global reference
Remove gr_gp10b_alloc_buffer() since it is no longer used
Rename g->ops.gr.alloc_gfxp_rtv_cb() to g->ops.gr.init_gfxp_rtv_cb()
since this HAL now only sets the size of rtvcb ctxsw buffer
Remove gr->ctx_vars.buffer_size and gr->ctx_vars.buffer_total_size
since they were redundant. We already have gr->ctx_vars.golden_image_size
to denote golden image size
Jira NVGPU-1527
Change-Id: I8847b347f80235209dd5e28d979e79984ab85408
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1987702
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Extract non-chip-specific code that manages the runlists (init, update,
reschedule etc.) to a new file in the common directory. Move the
declarations to a new matching runlist.h header.
Jira NVGPU-1309
Change-Id: I3c7e0032899516487037f47ddc9a7e7aa4b0b33a
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1978058
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Currently has_timedout variable is protected by wmb at places
where it is being set and there is no correspoding rmb whenever
has_timedout variable is read. This is prone to errors for
concurrent execution. This change is supposed to fix this issue.
Rename has_timedout variable of channel struct to ch_timedout.
Also to avoid rmb every time ch_timedout is read,
ch_timedout_spinlock is added to protect ch_timedout
variable for taking care of concurrent execution.
Bug 2404865
Bug 2092051
Change-Id: I0bee9f50af0a48720aa8b54cbc3af97ef9f6df00
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1930935
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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 fix for all 17.7 violations instandard C functions
in OS/Linux interface.
JIRA NVGPU-1036
Change-Id: I39b20f1d0e1a1da56d452f2c3d5ee049666cefe8
Signed-off-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929900
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
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Import userd and gpfifo buffers from userspace if provided via
NVGPU_IOCTL_CHANNEL_ALLOC_GPFIFO_EX. Also supply the work submit token
(i.e., the hw channel id) to userspace.
To keep the buffers alive, store their dmabuf and attachment/sgt handles
in nvgpu_channel_linux. Our nvgpu_mem doesn't provide such data for
buffers that are mainly in kernel use. The buffers are freed via a new
API in the os_channel interface.
Fix a bug in gk20a_channel_free_usermode_buffers: also unmap the
usermode gpfifo buffer.
Bug 200145225
Change-Id: I8416af7085c91b044ac8ccd9faa38e2a6d0c3946
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795821
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struct nvgpu_channel_sync is moved to a private header i.e.
channel_sync_priv.h present in common/sync/. All accesses to callback
functions inside the struct nvgpu_channel_sync in NVGPU driver is replaced by
the public channel_sync specific APIs.
Jira NVGPU-1093
Change-Id: I52d57b3d458993203a3ac6b160fb569effbe5a66
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1929783
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Rename gk20a/dbg_gpu_gk20a.c to common/debugger.c and make it a
separate common unit
Also rename gk20a/dbg_gpu_gk20a.h to include/nvgpu/debugger.h
We had two different HALs for debugger - gops.debugger and
gops.dbg_session_ops
Combine them into one single HAL gops.debugger and remove
gops.dbg_session_ops
Rename all exported APIs from debugger.h to be in the form of
nvgpu_*()
Jira NVGPU-1013
Change-Id: I136dc7786e3b2065921eb03b99f16049212f3cd2
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1920075
Reviewed-by: Sachin Jadhav <sachinj@nvidia.com>
Tested-by: Sachin Jadhav <sachinj@nvidia.com>
For a long time now, the ALLOC_GPFIFO_EX channel IOCTL has done much
more than just gpfifo allocation, and its signature does not match
support that's needed soon. Add a new one called SETUP_BIND to hopefully
cover our future needs and deprecate ALLOC_GPFIFO_EX.
Change nvgpu internals to match this new naming as well.
Bug 200145225
Change-Id: I766f9283a064e140656f6004b2b766db70bd6cad
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1835186
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Nvgpu uses many ways to check if sync points are enabled. The four
ways used to be:
platform->has_syncpoints
g->has_syncpoints
nvgpu_is_enabled(g, NVPGU_HAS_SYNCPOINTS)
gk20a_platform_has_syncpoints()
This patch standardizes all usage to now be nvgpu_has_syncpoints()
which is based on gk20a_platform_has_syncpoints() - just renamed to
be general to nvgpu.
All usage of the other forms have now been consolidated. However,
under the hood nvgpu_has_syncpoints() does check the is_enabled
flag. This flag is now set where g->has_syncpoints used to be set
based on the platform data.
The basic dependency chain is this:
nvgpu_has_syncpoints -> NVGPU_HAS_SYNCPOINTS ->
platform->has_syncpoints
However, note: there are several places where syncpoints can be
disabled if some other driver initialization fails (for ex. host1x).
Also note that nvgpu_has_syncpoints() also considers a disable
variable set by debugfs.
Bug 2327574
Change-Id: Ia2375a80f5f2e27285e6175568dd13e6bb25fd33
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1803975
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1) Update header path of gk20a.h files present in os/
to <nvgpu/gk20a.h>
2) os_fence_android_sema.c indirectly was dependent on gk20a.h via
semaphore.h. So, added #include <nvgpu/gk20a.h> in
os_fence_android_sema.c and replaced the header with forward
declaration of struct gk20a in semaphore.h
Jira NVGPU-597
Change-Id: I96e23befeb80713f3a399071eb5498f6f580211d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1842868
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
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1) Move channel_sync_gk20a.* from gk20a/ to common/ directory as they
donot program any hardware registers. Also as an add-on rename
channel_sync_gk20a.* to channel_sync.* and update the headers
in required files.
2) Rename the struct gk20a_channel_sync to struct nvgpu_channel_sync. Also,
corresponding syncpt and semaphore versions of the struct alongwith
related methods are renamed by removing "gk20a" from their names and
adding "nvgpu".
3) Add misra-c cleanups
Jira NVGPU-1086
Change-Id: I4e0e21803ca3858dd7a5fc4d2454dba1f1bfcecd
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1812594
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To finish OS unification of the submit path, move the
gk20a_submit_channel_gpfifo* functions to a file that's accessible also
outside Linux code.
Also change the prefix of the submit functions from gk20a_ to nvgpu_.
Jira NVGPU-705
Change-Id: I8ca355d1eb69771fb016c7a21fc7f102ca7967d7
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1760421
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The biggest remaining Linuxism in the submit path is the
copy_from_user() calls for reading the gpfifo entries to the HW-visible
buffer. Abstract away the copy of one such segment starting at some
offset and keep the wraparound logic and vidmem proxy in the core submit
path.
Jira NVGPU-705
Change-Id: I0c6438045c695e5e3f5da4fbc0c92d2c6e7f32cb
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1730480
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gk20a_submit_channel_gpfifo() supports reading the gpfifo entries from
either a kernel buffer or an userspace buffer in an ioctl. Add two
separate entry points: one for the ioctl and another for any other
kernel use. This shortens the function prototypes and simplifies and
clarifies the call sites slightly.
Jira NVGPU-705
Change-Id: If5141a459261a451f78cc50972f4c94d95ba44d1
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1730479
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