Added implementation for following IOCTLs
NVGPU_NVS_CTRL_FIFO_CREATE_QUEUE
NVGPU_NVS_CTRL_FIFO_RELEASE_QUEUE
The above ioctls are supported only for users with
R/W permissions.
1) NVGPU_NVS_CTRL_FIFO_CREATE_QUEUE constructs a memory region
via the nvgpu_dma_alloc_sys() API and creates the corresponding
GPU and kernel mappings. Upon successful creation, KMD exports
this buffer to the userspace via a dmabuf fd that the UMD
can use to mmap it into its process address space.
2) Added plumbing to store VMA's corresponding to different users
for event queue in future.
3) Added necessary validation checks for the IOCTLs
4) NVGPU_NVS_CTRL_FIFO_RELEASE_QUEUE is used to clear the queues.
5) Using a global queue lock to protect access to the queues. This
could be modified to be more fine-grained in future when there
is more clarity on GSP's implementation and access of queues.
6) Added plumbing to enable user subscription to queues.
NVGPU_NVS_CTRL_FIFO_RELEASE_QUEUE is used to unsubscribe
the user from the queue. Once, the last user is deleted,
all the queues will be cleared. User must ensure that
any mappings are removed before calling release queue.
7) Set the default queue_size for event queues to
PAGE_SIZE. This can be modified later. For event
queues, UMD shall fetch the queue_size.
Jira NVGPU-8129
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: I31633174e960ec6feb77caede9d143b3b3c145d7
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2723198
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Fixed following Coverity Defects:
ioctl_as.c : Bad bit shift operation
mc_tu104.c : Bad bit shift operation
vm.c : Bad bit shift operation
vm_remap.c : Bad bit shift operation
A new linux header file for ilog2 is created.
The files which used the old ilog2 function
have been changed to use the new nvgpu_ilog2
function.
CID 9847922
CID 9869507
CID 9859508
CID 10112314
CID 10127813
CID 10127899
CID 10128004
Signed-off-by: Jinesh Parakh <jparakh@nvidia.com>
Change-Id: Ia201eea7cc426c3d6581e1e5ae3b882dbab3b490
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2700994
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Replace the usage of tegra_fuse_readl with nvmem_cell_read_u32 for the
below fuse registers added as nvmem cells on v5.10+ kernels.
Older nvidia kernels do not have these tegra nvmem cell support.
1. FUSE_GCPLEX_CONFIG_FUSE_0
2. FUSE_RESERVED_CALIB0_0
3. FUSE_PDI0
4. FUSE_PDI1
bug 200633045
Change-Id: I187400720929233fcbc1970c9bbed34347b0a9a7
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2670828
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Alex Waterman <alexw@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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CBC contig allocation requires mempool node in DT and the
node can be used for contig allocations. The code duplication
can be avoided by unifying the code from vgpu.
Change-Id: I6eaa1d0c9db47b158602bf0ba68ce4e09cf487a7
Signed-off-by: Dinesh T <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2650459
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Ankur Kishore <ankkishore@nvidia.com>
GVS: Gerrit_Virtual_Submit
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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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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Add REMAP ioctl and accompanying support to the linux nvgpu driver.
REMAP support provides per-page control over sparse VM areas using the
concept of a virtual memory pool.
The REMAP ioctl accepts a list of operations (each a map or unmap) that
modify the VM area pages tracked by the virtual mmemory pool.
Inclusion of REMAP support in the nvgpu build is controlled by the new
CONFIG_NVGPU_REMAP flag. This flag is enabled by default for linux builds.
A new NVGPU_GPU_FLAGS_SUPPORT_REMAP characteristics flag is added for use
in detecting when REMAP support is available.
When a VM allocation tagged with NVGPU_VM_AREA_ALLOC_SPARSE is made the
base virtual memory pool resources are allocated. Per-page resources are
later allocated when the NVGPU_AS_IOCTL_REMAP ioctl is issued. All REMAP
resources are released when the corresponding VM area is freed.
Jira NVGPU-6804
Change-Id: I1f2cdc0c06c1698a62640c1c6fbcb2f9db24a0bc
Signed-off-by: scottl <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2542178
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Add a new Central Interrupt Controller(CIC) unit in common code.
The interrupt handling is done in a distributed manner currently.
The error handling policy for different errors resides in each unit's
ISR code. The goal is to converge this data under one central place -
the CIC unit.
This patch creates framework for CIC unit and moves the gv11b QNX
safety LUT to CIC unit. All the error reporting APIs from different
units are also moved to CIC.
New APIs are exposed by CIC unit to access its internal data like:
1. Struct err_desc - the static err handling /injection data per
error id
2. Num_hw_modules - the number of error reporting HW units
supported by CIC
Init and deinit of CIC unit:
1. CIC unit should be initialized earlyon during boot so that it
is available for any interrupt handling.
2. Initialize CIC just before the interrupts are enabled during
boot.
3. Similarly, CIC is disabled late during deinit cycle; right
after the interrupts are masked.
LUT:
1. LUT is currently used only for reporting error to safety
services in gv11b QNX safety build.
2. This error handling policy LUT currently has only two levels
of handing - correctable and quiecse.
3. Once, the error handling policy decision is moved from leaf
unit nodes to CIC, LUT will be updated to have additional levels
like fast recovery and full recovery.
4. Also, then a separate LUT will be added for each platform/build.
5. In current framework, the LUT is set to NULL for all
configurations except gv11b.
report_err() ops is added to report error to safety services.
This ops is only effective for gv11b qnx build; and set to NULL for
other configurations.
NVGPU-6521
NVGPU-6523
NVGPU-6750
NVGPU-6758
NVGPU-6760
NVGPU-6754
Change-Id: I24be7836a96d787741e37b732e19863ed8014635
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2518683
Reviewed-by: Ajesh K V <akv@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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- This is deferring the dev_nodes creation after power_on to
select the MIG config and to create the dev_nodes as per the
selected MIG config.
- The patch is adding a device node to issue power on. The
nodes are:
for igpu :/dev/nvgpu/igpu0/power
for dgpu:/dev/nvgpu/dgpu-0001:01:00.0/power
To issue power on :
echo "1" > /dev/nvgpu/igpu0/power
echo "1" > /dev/nvgpu/dgpu-0001:01:00.0/power
JIRA NVGPU-6633
Change-Id: Ic4f1f3e42724cc788dcfaf0e881d188fd3bd1ce1
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2512647
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This is one of the steps in restructuring of interrupt code.
- Move ISR logic to common code. This will allow us to add mixed ASIL
error handling levels.
- Modify nonstall ISR to use threaded interrupts. Bottom half of
nonstall ISR will run nonstall operations instead of adding work to
workqueues.
- Remove nonstall workqueue implementation.
JIRA NVGPU-6351
Change-Id: I5f891b0de4b0c34f6ac05522a5da08dc36221aa6
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2467713
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Create new dev nodes for device and context profilers. Example of dev
nodes on iGPU
/dev/nvhost-prof-dev-gpu - device scope profiler
/dev/nvhost-prof-ctx-gpu - context scope profiler
Add below APIs to open/close above dev nodes :
nvgpu_prof_dev_fops_open()
nvgpu_prof_ctx_fops_open()
nvgpu_prof_fops_release()
Add common API nvgpu_prof_fops_ioctl() to handle IOCTL call on these
dev nodes. Add IOCTL NVGPU_PROFILER_IOCTL_BIND_CONTEXT to bind the TSG
to profiler objects.
Add nvgpu_tsg_get_from_file() to retrieve TSG struct pointer from
file descriptor. Also store profiler object pointer into TSG struct.
Enable NVGPU_SUPPORT_PROFILER_V2_DEVICE capability on gv11b and tu104.
Note that this is not yet enabled for vGPU.
Keep NVGPU_SUPPORT_PROFILER_V2_CONTEXT capabiity disabled since this
will take longer to support.
Add new IOCTL NVGPU_PROFILER_IOCTL_UNBIND_CONTEXT so that userspace can
explicitly unbind the context and release the resources before closing
the profiler descriptor.
Add context_init flag to profiler object for book keeping.
Bug 2510974
Jira NVGPU-5360
Change-Id: Ie07e0cfd5a9da9d80008f79c955c7ef93b4bc60f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2384354
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The current debugfs code is completely specific to FIFO's kickoff
profiler. But exposing these debugfs nodes is really a perfectly
generic operation to any given profiler.
Therefore add a generic debugfs interface for exposing profilers.
Any code that implements a profiler can now use a single function
call to export a profiler to the GPU debugfs area.
JIRA NVGPU-5606
Change-Id: I67a5bd9998fcfac94678e465442b9a38ab7e7612
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2358382
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The differences between sync_fence ("android sync") and dma_fence are
abstracted away by nvhost in the nvhost_fence interface. There is no
need to have separate android and dma os fences for syncpoints; unify
the general implementation so that it's always used when requested for
the build.
Jira NVGPU-5386
Change-Id: Ia829e93e18d03064ff46ab1271547de2d1fb1cae
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2356158
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Historically, nvgpu has supported a struct gk20a_dmabuf_priv and
associated it with a dmabuf instance. This was aided by Nvmap's
dma_buf_set_drv_data() and dma_buf_get_drvdata() APIs. gk20a_dmabuf_priv
is used to store Comptag IDs i.e. (1 per 64 kb) as well as can store the
dmabuf attachments to avoid multiple attach/detach calls. dma_buf_set_drv_data()
allows Nvgpu to associate an instance of struct gk20a_dmabuf_priv with the instance
of the dmabuf and also provide a release callback to delete the
instance when the last reference to the dmabuf is put. Nvmap accomplishes
this by modifying the struct dma_buf_ops definition to include the
set_drv_data and get_drv_data callbacks in the kernel code.
The above approach won't work for upstream Kstable and Nvmap
plans to remove these APIs for upcoming newer downstream kernels as
well.
In order to implement the same functionality without depending on Nvmap,
Nvgpu will implement a release chaining mechanism. Dmabuf's 'ops' pointer
points to a constant struct and hence a whole copy of the ops is made
followed by altering the new copy's release pointer.
struct gk20a_dmabuf_priv stores the new copy and the dmabuf's 'ops' is
changed to point to this. This allows Nvgpu to retrieve
the corresponding gk20a_dmabuf_priv instance using container_of.
Nvgpu's custom release callback will invoke the original release
callback of the dmabuf's producer as a last step, thus completing the
full circle. In case, the driver is removed, Nvgpu restores the
dmabuf's 'ops' back to the original state. In order to accomplish this,
every instance of a struct nvgpu_os_linux maintains a linkedlist of the
gk20a_dma_buf instances. During the driver removal, this linkedlist is
traversed and the corresponding dmabuf's 'ops' pointer is put back to
its original state followed by freeing of this instance.
Nvgpu is a producer of dmabuf's for vidmem and needs
a way to check whether the given dmabuf belongs to itself.
Its no longer reliable to depend on a comparision of
the 'ops' pointer. Instead dmabuf_export_info() allows a name to be set by the
exporter and this can be used to compare with a memory location
that belongs to Nvgpu. Similarly for sysmem dmabufs, Nvmap makes a
similar change in the way it identifies whether a dmabuf belongs to
itself.
Removed NVGPU_DMABUF_HAS_DRVDATA and moved to a unified mechanism for
both downstream as well as upstream kernel.
Some of the other changes in this file include the following.
1) Deletion of dmabuf.c and moving its contents over to dmabuf_priv.c
2) Replacing gk20a_mm_pin_has_drvdata with nvgpu_mm_pin_privdata and
vice-versa for unpin.
Bug 2878569
Change-Id: Icf8e79b05a25ad5a85f478c3ee0fc1eb7747e22d
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2341001
Reviewed-by: automaticguardword <automaticguardword@nvidia.com>
Reviewed-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
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MISRA Rule 17.1 forbids use of stdarg.h features which are defined for
variable arguments.
This patch modifies logging macros to use slogf function for QNX builds.
This avoids use of variable argument functions used for formatting log
message.
Jira NVGPU-4075
Change-Id: I5b6bb1107a7e431afaa960003858193a477b2ee6
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2192016
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This patch adds nvgpu API in linux and posix to query vpr resize.
The new API nvgpu_is_vpr_resize_enabled() is used in
nvgpu_submit_channel_gpfifo().
Previously, if non-deterministic channel has timeout disabled and
GPU cannot railgate on some platform, then channel doesn't power ref
count and results in video freeze. To resolve non-determinstic channel
job tracking needs to be enabled if vpr resize is supported or if GPU
can railgate.
Bug 200532122
Change-Id: Icfbff6253762b195b2f5955749343974b1a7a269
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2171093
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Initialize the clock counters for GPCCLK, XBARCLK, SYSCLK.
This INIT was done in PMU before, but now disabled from TU10A profile.
Hence the initialization is moved into nvgpu.
This patch does the following.
1. Move clock files from GV100 to TU104.
2. Add the Counter HW Registers.
3. Initialize the counter registers for gpc, xbar and sysclk.
4. Change the debug fs node from gv100 to tu104.
5. Update in yaml file with new file names.
Bug 200536091
Change-Id: I436019a18f5c4c73979977666d0c04ce4c569047
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2155298
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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In TU104 tsense is not calibrated and tsosc needs to be used.
Tsosc is the POR for TU104.
This patch does the following
Remove the GP106 related thermal header and Add TU104 therm.
Rename the files from therm_gp106 to therm_tu104.
Update the debug fs interface to reflect the same.
Update the yaml files.
Bug 200526122
Change-Id: I73fd7d4c516426b5c6b84762480be2d6d572d5a7
Signed-off-by: Abdul Salam <absalam@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2135139
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Fix the following MISRA rule violations in bitops unit,
MISRA Rule 10.1
MISRA Rule 10.3
MISRA Rule 10.4
MISRA Rule 11.8
MISRA Rule 21.2
Introduce nvgpu specific functions for bitops and bitmap operations
with unsigned integer as parameter for offset. OS specific type
conversions and handling of these inerfaces are taken care in the
respective OS files.
Jira NVGPU-3545
Change-Id: Ib1ef76563db6ba1d879a0b4d365b2958ea03f85c
Signed-off-by: ajesh <akv@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2129513
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This patch moves gops init related to SDL from qnx to common-core. For this
purpose, it does the following changes:
- Adds stub functions for linux and posix.
- Updates nvgpu_init.c for mapping err_ops with report error APIs.
- Updates nvgpu_err.h header file to include prototypes related to error
reporting APIs.
- Updates nvgpu-linux.yaml file to include sdl_stub file.
Jira NVGPU-3237
Change-Id: Idbdbe6f8437bf53504b29dc2d50214484ad18d6f
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2119681
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Update the YAML docs to match the current source code exactly. This of
course may go out of date again, but this is a pre-req to enabling the
YAML compilation check.
JIRA NVGPU-3074
JIRA NVGPU-3075
Change-Id: Id66e058d86a1e6637ad7b942bfe455c355eb85a7
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2119820
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
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Add the YAML arch to the linux-nvgpu repo so that the arch and source
code can be kept entirely in sync.
When the YAML was in a separate repo it was too difficult to keep things
in sync. Based on this work the next steps are:
1. Gate compilation on no sources issues (missing or orphan source
files.
2. Perhaps use the arch to generate the Makefile.sources files.
JIRA NVGPU-3074
JIRA NVGPU-3075
Bug 2587555
Change-Id: Ic62be3e5e7ea1fb61ea50a2d611f905fa574988f
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2113154
Reviewed-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
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