In gk20a/gr_ctx_gk20a.c we right now directly read the GR register
gr_fecs_ctx_state_store_major_rev_id_r() which adds the dependency
to GR h/w header
Add a new HAL g.ops.gr.get_fecs_ctx_state_store_major_rev_id() to
read this register and use this instead
Also remove h/w header from gr_ctx_gk20a.c
Jira NVGPU-1317
Change-Id: Iab64fbfacff4d7ce4f3b61ca90b00ddc77e29551
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936453
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-Modifed volt policy construct to support of
type SINGLE_RAIL in volt_volt_policy_construct()
-Modified volt_get_volt_policy_table() to fetch
single rail data from bios table to construct
SINGLE_RAIL volt policy.
-Added volt_construct_volt_policy_single_rail() to construct
single rail volt policy boardobj needed for tu10x & PS3.5
JIRA NVGPU-1156
Change-Id: I495e005e46ee08a7851a317869bb5bc3f5f9a97e
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1921473
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-Add support for volt device OPERATION_TYPE_IPC_VMIN
support
-Added defines required for ipc vmin operation support
-Modified volt_get_voltage_device_table_1x_psv()
to add check to support IPC_VMIN & assign pwm source
based on operation type.
JIRA NVGPU-1156
Change-Id: Ia168669ea6b5896916747fccde8c6a52c271c4e3
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1921395
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- In vGPU code path, function vgpu_channel_abort_cleanup() does not
obtain channel reference before using the channel structure
(channel_gk20a)
- vgpu_channel_abort_cleanup() is called by vgpu_intr_thread() which
runs commands obtained from interrupt queue from RM server.
- If there is a scenario where gk20a_channel_release() function runs
before guest receives notification from RM server to abort channel
cleanup, channel gets freed before vgpu_channel_abort_cleanup() runs.
- However, because vgpu_channel_abort_cleanup() does not take explicit
reference to the channel, it ends up accessing structures
(such as ch->g) which are set to NULL and thus we end up in a crash.
- This patch explicitly takes reference of channel before
vgpu_channel_abort_cleanup() is called.
- If gk20a_channel_release() runs before vgpu_channel_abort_cleanup()
and ends up freeing channel, we dont get reference to freed
channel in vgpu_channel_abort_cleanup() and thus we return from
function rather than continuing with freed channel as was the case
previously.
Bug 200453473
JIRA EVLR-3411
Change-Id: I311043b2231336616b28246531cf8a0dc151b0cd
Signed-off-by: Deepak Bhosale <dbhosale@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1932028
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Aparna Das <aparnad@nvidia.com>
Reviewed-by: Nirav Patel <nipatel@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in acr code
over to use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: Ib7bac9353cf69c402f8925927c84d4ae7ecbe49d
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939422
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in pmu_perf/*.c
code over to use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: Iac5e0b1d460f094e950dd4e34e9ccf6a5b0a9edc
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1939421
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Fix some mistakes from commit 0fbc1a2652 (gpu: nvgpu: avoid recursion in
runlist construction) and commit 998bf379df (gpu: nvgpu: add
runlist_append_tsg) for MISRA rules 10.3 and 10.4.
- cast a sizeof to u32 in a calculation to match in size,
- make the NVGPU_FIFO_RUNLIST_INTERLEAVE_LEVEL_* constants unsigned to make
comparisons match in signedness.
Jira NVGPU-1174
Change-Id: I00aa9758ca4352d8eb53a0e8ded42a1ba3b14561
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1938069
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Reduce the size of memory allocations in the channel debug dump by
capturing only the necessary values from the instance block. This also
simplifies the allocation path slightly with the downside of having to
add a capture_channel_ram_dump HAL for reading the interesting parts
explicitly beforehand to the now smaller staging buffer.
Also rename struct ch_state to struct nvgpu_channel_dump_info.
Jira NVGPU-886
Change-Id: I5d7518d9d474b0b728b183383bc83d89ecf91b98
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928207
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Sometimes longer 64-bit values are composed of pairs of low and high
parts in a same nvgpu_mem. Add a function to read the two and to do the
bit ops given the low and high word offsets.
Jira NVGPU-886
Change-Id: I4fe698d7c5a891ef5740ea0fb31549195e2e6c43
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928206
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MISRA rule 18.7 doesn't allow flexible array members. To work around
that, modify the instance block member in struct ch_state to be an
explicit pointer and allocate it separately for simplicity.
Jira NVGPU-886
Change-Id: I34299bec79bf7706f9cdfa42dee7fba765c9f312
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1928205
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MISRA rule 10.4 doesn't allow arithmetic conversions on operands of
different essential type category.
Fix violations where an arithmetic conversion is performed on boolean
and non-boolean types.
JIRA NVGPU-994
Change-Id: I2af9937678462b632bb6ec6178e10d02104fc3bc
Signed-off-by: Amurthyreddy <amurthyreddy@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1832337
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The only declaration from gr is struct nvgpu_gr_ctx and that can now be
forward-declared. Do that and remove the gr_gk20a include; add the
include to gk20a.h where it was missing.
Jira NVGPU-967
Change-Id: Idf77e7dc2ca043e9bbde9e9db03306fdd37e3c04
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1822024
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Update the PD cache code to handle 64KB pages. To do this the
number of partial/full lists is expanded for when we have 64K
pages. Currently we only explicitly support 4K and 64K page
sizes. Other pages sizes (16K for example) will fail compilation
during preprocessing.
This change also cleans up the definitions for some of the
internal structs. They have been moved into pd_cache.c since
they are not used outside of pd_cache.c.
This allows the following functions to be removed from the global
context:
__nvgpu_pd_cache_alloc_direct()
__nvgpu_pd_cache_free_direct()
They have been replaced by calls to nvgpu_pd_{alloc,free}().
The nvgpu_pd_mem_entry alloc_map also had to be expanded to a
real bitmap. 32 or 64 bits is not sufficient for packing 256
byte PDs into a 64K page (there's 256 PDs per nvgpu_pd_mem_entry
in that case). To prevent doing too many find_first_zero
operations on the bitmap an 'allocs' field was also added which
tracks how many allocs are done. We can use this instead of
comparing a mask against the bitmap to determine if an
nvgpu_pd_mem_entry is full.
Note: there's still a limitation with the TLB invalidate code:
it simply assumes an nvgpu_mem is a 1 to 1 with a PDB. This means
we can't invalidate a PDB allocated at an offset greater than 0
in a nvgpu_pd_mem_entry. This in turn means we must always use a
full page size for a context's PDB.
Bug 1977822
Change-Id: I6a7a3a95b7c902bc6487cba05fde58fbc4a25da5
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1718755
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in lpwr/*.c code
over to use nvgpu_memcpy() with appropriate casts applied.
Also changed the bios image table ptrs to type u8 * from u32 *
to avoid unnecessary casts (note this is consistent with other
portions of nvgpu that walk the bios image tables).
JIRA NVGPU-849
Change-Id: I61da0e26872912cf6757ff2b6136ae5ddd84c309
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936182
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in pmgr/*.c code
over to use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: I949f8cff49755c4cbe328ae628cf71ace18622c7
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936181
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in therm/*.c code
over to use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: I6ef4010d35c3f6df8a23e8c0241883481880e1c7
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936180
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in volt/*.c code
over to use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: Ia58f6dddfead31fdd08361a17e6a15e0f0ed29b7
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936179
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Nicolas Benech <nbenech@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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If num_in_flight jobs is set use that to determine the proper
size of the priv_cmd_buf. If num_in_flight is not set then use
the original logic: the priv_cmd_buf is sized based on a worst
case assumption for the GPFIFO.
Also clean up MISRA issues.
Bug 2327792
Change-Id: Ie192caeb6cc48fdcac57e5cbb71c534aeaf46011
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1831095
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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Instead of using num_inflight_jobs to determine whether to pre-alloc
resources for a channel use the c->deterministic flag and the
number of inflight jobs field. Non-determinsitic channels do not
require pre-alloced resources and deterministic channels with 0
in flight jobs (i.e no kernel job tracking, AKA fast path sumits)
also do not require pre-alloced resources.
Bug 2327792
Change-Id: I7e8eb0478c22e005ca2c46c555415afa0ded0be1
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1850123
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
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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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Add a mmap callback on the control device node for mapping the usermode
register region to userspace. Each such mapping is removed when the GPU
railgates, and brought back again on unrailgate.
The mapping offset must be 0 and its size must be 4 KB.
Bug 200145225
Change-Id: Ie8d3758da745b958376292691d7d1d02a24e7815
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795819
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Usermode submit needs to access the usermode region of registers from
userspace. Store the start address of register resource in struct
nvgpu_os_linux to be used in remap to userspace.
Bug 200145225
Change-Id: I3796b6bf67942af0cc16c86accb82a013032bfc8
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811838
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MISRA rule 21.2 doesn't allow the use of macro names which start with
an underscore. These leading underscores are to be removed from the
macro names. This patch will fix such violations by renaming them
to follow the convention, 'NVGPU_PARENT-DIR_HEADER-NAME' when there
is no keyword repetition between file name and directory or
'NVGPU_HEADER-NAME' when there is repetition.
Deviate from the convention mentioned earlier in the case of clk.h.
There are two files with name clk.h. One under include/nvgpu directory
and other on in clk/ directory. Both of them will have header guards
with name NVGPU_CLK_H under the convention. Thus clk/clk.h will have
header guard with name NVGPU_CLK_CLK_H and include/nvgpu/clk will have
header guard with name NVGPU_INCLUDE_CLK_H
JIRA NVGPU-1028
Change-Id: I386d39649f39a98019a9e06bc65c8b623a43629b
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1923539
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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The context switch timeout works by triggering a hardware timeout at 10
Hz. When handling these, we check whether a channel has actually timed
out. Currently the timeout limit can be shorter than the 10 Hz interval
which always causes us to recover a channel but would also cause
detection of progress if there was any in the interval.
Handling both situations at the same time would reuse the channel
pointer local to the function after a loop has finished and would cause
memory corruption. Fix this by making the two branches mutually
exclusive, and move the recover case to happen first because that's how
our tests assume things to work.
Jira NVGPU-967
Change-Id: I26aa0fa7fd80ab42a9a1a93a6cca2cd29c9d3f3f
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1932449
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MISRA Rule 21.15 prohibits use of memcpy() with incompatible ptrs
to qualified/unqualified types.
To circumvent this issue we've introduced a new MISRA-compliant
nvgpu_memcpy() function.
This change switches all offending uses of memcpy() in bios.c over to
use nvgpu_memcpy() with appropriate casts applied.
JIRA NVGPU-849
Change-Id: I218068dd1f1f2c978ea8ab2ba230b3e5fb3da171
Signed-off-by: Scott Long <scottl@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1936149
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-misra-checker <svc-misra-checker@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
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This fixes a bug where the POSIX dma module was calling malloc for
dma allocation requests with the incorrect size.
Bug found as a result of JIRA NVGPU-1235
Change-Id: Ia2933dc90f12d84a7da91a50eb3eafd6eb0e129e
Signed-off-by: Philip Elcan <pelcan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1930799
GVS: Gerrit_Virtual_Submit
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Reviewed-by: Alex Waterman <alexw@nvidia.com>
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MISRA rule 21.2 doesn't allow the use of macro names which start with
an underscore. These leading underscores are to be removed from the
macro names. This patch will fix such violations in hw headers
by renaming them to follow the convention, 'NVGPU_HEADER_NAME'.
JIRA NVGPU-1028
Change-Id: Ib335e3e08b5c4e0d28855e4a057c5b6aaa7a35a2
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1923546
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Adeel Raza <araza@nvidia.com>
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MISRA rule 8.2 makes it mandatory for all function prototypes
to have named parameters. There were few instances where parameter
name(s) for function prototypes were omitted. This patch will
fix the same.
JIRA NVGPU-861
Change-Id: I6cb28482becc2938c574b7d8c6f22463d346d27a
Signed-off-by: smadhavan <smadhavan@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1917939
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