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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a. LAUNCH_ERR
- Userspace error.
- Triggered due to faulty launch.
- Handle using recovery to reset CE engine and teardown the
faulty channel.
b. An INVALID_CONFIG -
- Triggered when LCE is mapped to floorswept PCE.
- On iGPU, we use the default PCE 2 LCE HW mapping.
The default mapping can be read from NV_CE_PCE2LCE_CONFIG
INIT value in CE refmanual.
- NvGPU driver configures the mapping on dGPUs (currently only on
Turing).
- So, this interrupt can only be triggered if there is
kernel or HW error
- Recovery ( which is killing the context + engine reset) will
not help resolve this error.
- Trigger Quiesce as part of handling.
c. A MTHD_BUFFER_FAULT -
- NvGPU driver allocates fault buffers for all TSGs or contexts,
maps them in BAR2 VA space and writes the VA into channel
instance block.
- Can be triggered only due to kernel bug
- Recovery will not help, need quiesce
d. FBUF_CRC_FAIL
- Triggered when the CRC entry read from the method fault buffer
does not match the computed CRC from the methods contained in
the buffer.
- This indicates memory corruption and is a fatal interrupt which
at least requires the LCE to be reset before operations can
start again, if not the entire GPU.
- Better to quiesce on memory corruption
CE Engine reset (via recovery) will not help.
e. FBUF_MAGIC_CHK_FAIL
- Triggered when the MAGIC_NUM entry read from the method fault
buf does not match NV_CE_MTHD_BUFFER_GLOBAL_HDR_MAGIC_NUM_VAL
- This indicates memory corruption and is a fatal interrupt
- Better to quiesce on memory corruption
f. STALLING_DEBUG
- Only triggered with SW write for debug purposes
- Debug interrupt, currently ignored
Move launch error handling from GP10b to GV11b HAL as -
1. LAUNCHERR_REPORT errcode METHOD_BUFFER_ACCESS_FAULT is not
defined on Pascal
2. We do not support GP10b on dev-main ToT
JIRA NVGPU-8102
Change-Id: Idc84119bc23b5e85f3479fe62cc8720e98b627a5
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
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- Below are warnings encountered when we use same function names in
multiple units
doxygenfunction: Unable to resolve multiple matches for function
“test_setup_env” with arguments () in doxygen xml output.
doxygenfunction: Unable to resolve multiple matches for function
“test_free_env” with arguments () in doxygen xml output.
- Fixing warnings by updating functions with unique names in multiple
units
JIRA NVGPU-7115
Change-Id: Iaa861040208e101c114f5c556096deb09d08b7fe
Signed-off-by: srajum <srajum@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2601798
(cherry picked from commit f57e408ba2fae4ff9b7c54a441e5cc3e75b0c87c)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678347
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- MISRA Directive 4.7
Calling function "nvgpu_tsg_unbind_channel(tsg, ch, true)" which returns
error information without testing the error information.
- MISRA Rule 10.3
Implicit conversion from essential type "unsigned 64-bit int" to different
or narrower essential type "unsigned 32-bit int"
- MISRA Rule 5.7
A tag name shall be a unique identifier
JIRA NVGPU-5955
Change-Id: I109e0c01848c76a0947848e91cc6bb17d4cf7d24
Signed-off-by: srajum <srajum@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2572776
(cherry picked from commit 073daafe8a11e86806be966711271be51d99c18e)
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This reverts commit a372ec9a38.
Earlier golden context image verification was failing on orin safety due
to mismatch. But on tot there is no mismatch obeserved (possibly due to
update of NET image from A to D). So, now golden context image
verification can be re-enabled for orin safety.
Bug 3482988
Change-Id: I2bda9be921987e6b6a3b933b3ff45b26cf3025ca
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2678153
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Below CE interrupts do not have any users(usecases) on safety build;
disable them only on safety build.
1. BLOCKPIPE stall intr: Not used by GFX(VKSC) and CUDA on safety.
2. NONBLOCK_PIPE nonstall intr: Non-stall intrs are not supported
on safety build. Also, this one is not used by GFX(VKSC)
and CUDA.
3. STALLING_DEBUG intr: Added in Orin tree. It is only needed for
debugging. Disable on safety build as there is no current
usage in driver.
4. POISON_ERROR intr: Poison is a fault containment and not
supported on GA10b.
5. INVALID_CONFIG intr: Floor sweeping not supported on functional
safety SKU.
Bug 3548082
Change-Id: I8d97ccb38f138b2c04a780e1c255a64d28723405
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
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This patch does the following changes:
- Compiles-out unused error reporting APIs and the related
data structures from safety build. For this purpose, it
introduces the new flag: CONFIG_NVGPU_INTR_DEBUG
- Updates nvgpu_report_err_to_sdl() API with one more argument,
hw_unit_id. This aids in finding whether an error to be reported
is corrected or uncorrected from LUT.
- Triggers SW quiesce, if an uncorrected error is reported to
Safety_Services, in safety build.
- Renames files in cic folder by replacing gv11b with ga10b,
since error reporting for gv11b is not supported in dev-main.
JIRA NVGPU-8002
Change-Id: Ic01e73b0208252abba1f615a2c98d770cdf41ca4
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2668466
Reviewed-by: Tejal Kudav <tkudav@nvidia.com>
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In DRIVE 6.0, NvGPU needs to support error reporting in QNX-Safety,
QNX-Standard, and Linux. To support error reporting in all these
platform variants, SDL unit will be moved from QNX to common code.
As part of this refactoring activity, this patch removes ops assignment
for report error. Also, it removes API calls that are used to take
time-stamp for stall interrupt thread. This time-stamp APIs will be
brought back later, if required to support periodic diagnostics.
JIRA NVGPU-7353
Change-Id: I38536019dc7165e6a97674863b37d009854af948
Signed-off-by: Rajesh Devaraj <rdevaraj@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2655958
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Separate nvgpu_cg_blcg/slcg_fb_ltc_load_enable function
into nvgpu_cg_blcg/slcg_fb_load_enable and
nvgpu_cg_blcg/slcg_ltc_load_enable.
Program fb slcg/blcg prod values during fb init and
program ltc slcg/blcg prod values after acr boot to
have correct privilege for ltc cg programming.
Update unit tests to have sperate blcg/slcg hal for
fb and ltc programming.
Bug 3423549
Change-Id: Icdb45528abe1a3ab68a47f689310dee9a4fe9366
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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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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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>
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- 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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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>
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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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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>
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The error path in map_buffer() attempts to unmap a buffer twice to check
that such action does not cause errors. The call site uses a field of a
freed structure in the second call; store that in a local variable to
avoid reading freed memory.
Change-Id: I20fe66cf255dce25b1c4012bda2a6f864daf419a
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2605495
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Improved SDL heartbeat mechanism detects the interrupts triggered by
SW method and treats them as errors. Hence remove the SW method support
completely from safety build. Registers set by SW methods are now set
by default for all the contexts.
Implement new HAL gops.gr.init.set_default_compute_regs() to set the
registers in patch context. Call this HAL while creating each context.
Update gv11b_gr_intr_handle_sw_method() to treat all compute SW methods
as invalid.
Update unit test test_gr_intr_sw_exceptions() so that it now expects
failure for any method/data.
Bug 200748548
Change-Id: I614f6411bbe7000c22f1891bbaf06982e8bd7f0b
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2527249
(cherry picked from commit bb6e0f9aa1404f79bcfbdd308b8c174a4fc83250)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2602638
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Introduce nvgpu_gmmu_map_partial() to map a specific size of a buffer
represented by nvgpu_mem, or what nvgpu_gmmu_map() used to do. Delete
the size parameter from nvgpu_gmmu_map() such that it now maps the
entire buffer. The separate size parameter is a historical artifact from
when nvgpu_mem did not exist yet; the typical use is to map the entire
buffer.
Mapping at a certain address with nvgpu_gmmu_map_fixed() still takes the
size parameter.
The returned address still has to be stored somewhere, typically to
mem.gpu_va by the caller so that the matching unmap variant finds the
right address.
Change-Id: I7d67a0b15d741c6bcee1aecff1678e3216cc28d2
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2601788
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Introduce nvgpu_gmmu_unmap_addr() to unmap a nvgpu_mem that was mapped
at some other address than mem.gpu_va, which can be the case for buffers
that are shared across different address spaces. Delete the address
parameter from nvgpu_gmmu_unmap(), as the common case is to store the
address to mem.gpu_va when mapping the buffer.
Modify some instances of consecutive unmap + free calls to call just
nvgpu_dma_unmap_free().
Change-Id: Iecd7c9aa41d04e9f48e055f6bc0c9227cd759c69
Signed-off-by: Konsta Hölttä <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2601787
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common.fbp has two interfaces to initialize FBP:
1. Public API nvgpu_fbp_init_support
2. HAL fbp.fbp_init_support
nvgpu_fbp_init_support() is only used to initialize HAL
fbp.fbp_init_support. Remove the HAL and use the API directly.
JIRA NVGPU-6644
Change-Id: I2c455e09dbcf5e4fb1dc370b284e4f0d5c678b40
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
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Add Setter and Getter methods for accessing tsg->sm_error_states.
Getter returns a constant pointer for struct nvgpu_tsg_sm_error_state.
This renders it unnecessary to add BVEC for above fields for the struct
in multiple locations. The current design ensures that only a constant
pointer is obtained from the owner unit i.e. FIFO.
The following new methods are added. Both unit tests and BVEC tests
are added for them as well.
nvgpu_tsg_store_sm_error_state
nvgpu_tsg_get_sm_error_state
Jira NVGPU-6947
Change-Id: I82c22a2774862c8579baa41b6fb8292fa164704a
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 79574638671a0c6efe41cd3423668fcd1bd96826)
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* As of now, working on multiple chip bringup in nvgpu-next repo has
an issue because we end with losing control on source code (hard to
find which part of the code belongs to which chip) and it's valuable
history this affects chip migration on release.
* To support multiple chip bringup simultaneously, we need new
guidelines to avoid losing control on source code and make migration
easier. This change adds links to nvgpu-next repo.
* Updated return code to ENODEV for consistency
* Updated ACR unittest to work with ENODEV return code
NOTE:
These are the initial set of infrastructure changes, guidelines
will evolve, and source code will get updated accordingly.
Based on future chip features, Which part of the source code falls
under nvgpu-next repo is decided.
JIRA NVGPU-6574
Change-Id: I81827e35d189c55554df00e255b527a4473e0338
Signed-off-by: Sagar Kadamati <skadamati@nvidia.com>
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ECC counter structures are freed without removing the node from the
stats_list. This can lead to invalid access due to dangling pointers.
Update the ecc counter free logic to set them to NULL upon free, to
remove them from stats_list and free them by validation.
Also updated some of the ecc init paths where error was not propa-
gated to callers and full ecc counters deallocation was not done.
Now, calling unit ecc_free from any context (with counters alloc-
ated or not) is harmless as requisite checks are in place.
bug 3326612
bug 3345977
Change-Id: I05eb6ed226cff9197ad37776912da9dcb7e0716d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2565264
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Move interrupt specific data-members from common.mc to common.cic
Some of these data members like sw_irq_stall_last_handled_cond need
To be initialized much earlier during the OS specific init/probe stage.
Also, some more members from struct nvgpu_interrupts(like stall_size,
stall_lines[]), which will soon be moved to CIC will also need to be
initialized early during the OS specific probe stage.
However, the chip specific LUT can only be initialized after the
hal_init stage where the HALs are all initialized.
Split the CIC init to accommodate the above initialization requirements.
JIRA NVGPU-6899
Change-Id: I9333db4cde59bb0aa8f6eb9f8472f00369817a5d
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2552535
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
