Currently reading temperature value depeads on therm pstate
board objects. In absence of pstate reading temperature
from therm get status will be failed which will cause GVS
failure in NvRmGpuTest_Device_GetTemperature test.
This change will add support to read temperature from
therm sensor_00 register but this will have following
limitation:
- NV_THERM_I2CS_SENSOR_00 doesn't support fractional
precision.
- It doesn't support negative temperatures.
BUG-200736830
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I25e577dac9029fcd787a6f71957dbeefd6fe43dd
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2584269
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Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Add support for powering off IGPU for switching between
legacy to SMC mode/vice-versa or changing SMC configuration.
The power off can be issued as follows
echo 0 > /dev/nvgpu/igpu0/power
The following steps are done during a poweroff.
1) Deterministic channel idle
2) Acquire write_lock on l->busy semaphore.
3) Wait till power_usage decrements to indicate 0 active jobs.
4) Invoke pm_runtime_put_sync_suspend()
5) Invoke nvgpu_gr_remove_support() to clear existing GR memory.
6) Release write_lock on l->busy
7) Deterministic channel unidle.
Part of the sequence matches that of the gk20a_do_idle code.
The common parts are extracted into new functions
gk20a_block_new_jobs_and_idle() and gk20a_unblock_jobs()
For joint-rail case, the current implementation, does a railgate
and then sets pm_runtime_set_autosuspend_delay(-1) to disable
regular runtime resume/suspend.
Remove clearing of NVGPU_SUPPORT_MIG status during state change
ias it leads to inconsistencies.
Jira NVGPU-6920
Change-Id: I0b3eb3278176122ac061c1e8a94ebfb3c17c3925
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2578501
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Existing implementation of GR de-init doesn't account for multiple
instances of struct nvgpu_gr. As a fix, below changes are added.
1) nvgpu_gr_free is unified for VGPU as well as native.
2) All the GR instances are freed.
3) Appropriate NULL checks are added when freeing GR memories.
4) 2D, 3D, I2M and ZBC etc are explicitely disabled when MIG is set.
5) In ioctl_ctrl, checks are added to not return error when zbc is NULL
for VGPU as requests are rerouted to RMserver.
Jira NVGPU-6920
Change-Id: Icaa40f88f523c2cdbfe3a4fd6a55681ea7a83d12
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2578500
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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
Tested-by: Ashish Mhetre <amhetre@nvidia.com>
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GVS: Gerrit_Virtual_Submit
Engine Level Power Gating(ELPG) for ga10b is enabled
on tot for silicon. elpg needs to be enabled
only after verification on silicon and after stress
testing the feature. To avoid issues during ga10b bring-up
with unverified ELPG feature, disable it by setting both
can_elpg_init and elpg_enable to false in ga10b platform
data.
Jira NVGPU-7033
Change-Id: I664d6e031339aa912b78769bd58a4e6d77dca1d0
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2564197
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Reviewed-by: Seema Khowala <seemaj@nvidia.com>
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Tested-by: Krishna Reddy <vdumpa@nvidia.com>
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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
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At present, there is an inconsistency in the order in which
gpc_tpc masks are reported to the userspace. Both gpc and
tpc masks are reported using physical-ids. However, the
gpc_tpc_masks array is ordered by logical gpc-ids and
not physical-ids. This creates a mismatch between the gpc
reported as enabled in the gpc_mask and its corresponding
gpc_tpc_mask.
Introduce field "gpc_tpc_mask_physical" which stores the
gpc_tpc_masks in physical order and update
NVGPU_GPU_IOCTL_GET_TPC_MASKS to return this field.
Bug 200665942
Change-Id: I63aa83414a59676b7e7d36b6deb527e2f3c04cff
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2531114
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- Add gops_fbp_fs and gops_gpc_pg struct
- Add HALs to write to NV_FUSE_CTRL_OPT_FBP and
NV_FUSE_CTRL_OPT_GPC fuses needed for floorsweeping
- Add set_fbp_mask and set_gpc_mask to probe FBP and GPC mask
respectively during gpu probe
- Add sysfs node: fbp_fs_mask and gpc_fs_mask to store
FBP and GPC floorsweeping mask sent from userspace
- Move the floorsweeping programming early in NVGPU’s GPU init
function and then issue a PRI init.
JIRA NVGPU-6433
Change-Id: I84764d625c69914c107e1e8c7f29c476c2f64f78
Signed-off-by: Divya Singhatwaria <dsinghatwari@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2499571
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Changes:
- This change will only init gsp software
state, nvgpu_gsp_bootstrap need to be called.
- CONFIG_NVGPU_GSP_SCHEDULER flag is created to
compile out the gsp scheduler code when needed.
- Created GSP engine reset which is needed when
ACR completed execution and need to load gsp fw.
NVGPU-6783
Signed-off-by: Ramesh Mylavarapu <rmylavarapu@nvidia.com>
Change-Id: I2ce43e512b01df59443559eab621ed39868ad158
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2554267
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Upstream Linux commit 393b06383fb7 ("debugfs: remove return value of
debugfs_create_bool()") updated the function debugfs_create_bool() to
remove the return value because it was not needed and user do not need
to check the return value. This breaks building the NVGPU driver against
the current upstream Linux kernel and the following error messages are
seen ...
nvgpu/drivers/gpu/nvgpu/os/linux/debug.c: In function ‘gk20a_debug_init’:
nvgpu/drivers/gpu/nvgpu/os/linux/debug.c:469:25: error: void value not ignored as it ought to be
l->debugfs_ltc_enabled =
^
nvgpu/drivers/gpu/nvgpu/os/linux/debug.c:507:32: error: void value not ignored as it ought to be
l->debugfs_runlist_interleave =
^
Fix this by not saving the value returned from debugfs_create_bool() and
remove the variables debugfs_ltc_enabled and debugfs_runlist_interleave
from the nvgpu_os_linux structure. Note that these variables are not
used anywhere in the driver and currently we don't check the return
value from debugfs_create_bool() and so there is no impact from this
change for older kernel versions.
JIRA LS-114
Change-Id: I539388c8645f2026292d8b9f33f55921dfda648f
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2555299
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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GVS: Gerrit_Virtual_Submit
On all chips except ga10b, the number of ROP, L2 units per FBP
were in sync, hence, their FS masks could be represented by a single
fuse register NV_FUSE_STATUS_OPT_ROP_L2_FBP. However, on ga10b, the ROP
unit was moved out from FBP to GPC and it no longer matches the number
of L2 units, so the previous fuse register was broken into two -
NV_FUSE_CTRL_OPT_LTC_FBP, NV_FUSE_CTRL_OPT_ROP_GPC.
At present, the driver reads the NV_FUSE_CTRL_OPT_ROP_GPC register
and reports incorrect L2 mask. Introduce HAL function
ga10b_fuse_status_opt_l2_fbp to fix this.
In addition, rename fields and functions to exclusively fetch L2 masks,
this should help accommadate ga10b and future chips in which L2 and ROP units
are not in same. As part of this, the following functions and
fields have been renamed.
- nvgpu_fbp_get_rop_l2_en_mask => nvgpu_fbp_get_l2_en_mask
- fuse.fuse_status_opt_rop_l2_fbp => fuse.fuse_status_opt_l2_fbp
- nvgpu_fbp.fbp_rop_l2_en_mask => nvgpu_fbp.fbp_l2_en_mask
The HAL ga10b_fuse_status_opt_rop_gpc is removed as rop mask is not
used anywhere in the driver nor exposed to userspace.
Bug 200737717
Bug 200747149
Change-Id: If40fe7ecd1f47c23f7683369a60d8dd686590ca4
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2551998
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This CL covers the following modifications,
1) Added logic to skip the graphics unit specific sw context load
register write during context creation when MIG is enabled.
2) Added logic to skip the graphics unit specific sw method
register write when MIG is enabled.
3) Added logic to skip the graphics unit specific slcg and blcg gr
register write when MIG is enabled.
4) Fixed some priv errors observed during MIG boot.
5) Added MIG Physical support for GPU count < 1.
6) Host clk register access is not allowed for GA100.
So skipped to access host clk register.
7) Added utiliy api - nvgpu_gr_exec_with_ret_for_all_instances()
8) Added gr_pri_mme_shadow_ram_index_nvclass_v() reg field
to identify the sw method class number.
Bug 200649233
Change-Id: Ie434226f007ee5df75a506fedeeb10c3d6e227a3
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2549811
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common.cic unit is divided into common.cic.mon and common.cic.rm
based on rm and mon process split.
CIC-mon subunit includes the code which is utilized in critical
interrupt handling path like initialization, error detection and
error reporting path. CIC-rm subunit includes the code corresponding
to rest of interrupt handling(like collecting error debug data from
registers) and ISR status management (status of deferred interrupts).
Split the CIC APIs and data-members into above two subunits.
JIRA NVGPU-6899
Change-Id: I151b59105ff570607c4a62e974785e9c1323ef69
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2551897
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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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Replace all nvgpu_next functions/structs either by 1) collapsing them
into nvgpu legacy functions/structs 2) renaming them as follows:
- nvgpu_next_*() => nvgpu_(ga10b/ga100)_*()
- nvgpu_next_*() => (ga10b/ga100)_*()
- nvgpu_next_*() => nvgpu_*() [only if this doesn't cause collision]
- nvgpu_next_*() = > nvgpu_*_extra()
Create hal.sim unit and move Ampere+ SIM code into it.
Jira NVGPU-4771
Change-Id: I215594a0d0df4bd663bd875a0d0db47bcb9ff6a2
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2548056
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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GVS: Gerrit_Virtual_Submit
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The CONFIG_NVGPU_NEXT config is no longer required now that ga10b and
ga100 sources have been collapsed. However, the ga100, ga10b sources
are not safety certified, so mark them as NON_FUSA by replacing
CONFIG_NVGPU_NEXT with CONFIG_NVGPU_NON_FUSA.
Move CONFIG_NVGPU_MIG to Makefile.linux.config and enable MIG support
by default on standard build.
Jira NVGPU-4771
Change-Id: Idc5861fe71d9d510766cf242c6858e2faf97d7d0
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2547092
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nvgpu does map attachment with DMA_BIDIRECTIONAL direction for buffers
irrespective of the GPU mapping type. nvmap will allow map attachment
with only DMA_TO_DEVICE direction for RO buffers for secure buffer
access.
nvgpu does RO GPU mapping if the buffer is RO for CPU or user requests
to map as RO. In both cases the dma_buf map attachment should be done
with DMA_TO_DEVICE direction as the intent for accessing the SGT is
reading from GPU.
Also, map the gpfifo buffer as read_only as it is intended to be read
only. The userd buffer is accessed by the GPU through iova and is not
GMMU mapped.
Bug 200731819
Change-Id: Ifc60973f298f7cacab16c5dedecbb40c5f33ed1d
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2539312
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Add api to translate dmabuf's fmode_t to gk20a_mem_rw_flag
for read only/read write mapping selection.
By default dmabuf fd mapping permission should be a maximum
access permission associated to a particual dmabuf fd.
Remove bit flag MAP_ACCESS_NO_WRITE and add 2 bit values for
user access requests NVGPU_VM_MAP_ACCESS_DEFAULT|READ_ONLY|
READ_WRITE.
To unify map access type handling in Linux and QNX move the
parameter NVGPU_VM_MAP_ACCESS_* check to common function
nvgpu_vm_map.
Set MAP_ACCESS_TYPE enabled flag in common characteristics
init function as it is supported for Linux and QNX.
Bug 200717195
Bug 3250920
Change-Id: I1a249f7c52bda099390dd4f371b005e1a7cef62f
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2507150
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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When force closing the app, poweron needed in channel close path will
fail as pg_task kthread creation fails with -EINTR (process is
SIGKILL'd so threads don't get created).
Upon poweron failure, device nodes are removed and the nvgpu power
state is not reset to NVGPU_STATE_POWERED_OFF. Hence on further
gk20a_busy attempts, poweron is not attempted and gpu remains
unusable from thereon.
Change the state to POWERED_OFF from POWERING_ON on poweron fail.
Bug 3308828
Change-Id: I2360f11a4937dfe93eb7933b30c13748fb570898
Signed-off-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2543797
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Presently, gk20a_user_deinit is used to remove all device nodes
including "power" node as well.
Split removal of power node into a separate function
gk20a_power_node_deinit to enable other device removal during the
normal runtime_suspend path to facilitate the fast path for MIG
reconfiguration. Powernode can be removed only during a call to
Rmmod. This also enables separately powering off the device nodes
in the unlikely case of a poweron failure.
Bug 3308828
Jira NVGPU-6920
Change-Id: Ib045a09a992a63c468492a837b273cca41e20f15
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2543014
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Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
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1) Expose logical mask instead of physical mask when MIG is enabled.
For legacy, NvGpu expose physical mask.
2) Added fb related info in struct nvgpu_gpu_instance().
4) Added utility api to get the logical id for a given local id
nvgpu_grmgr_get_gr_gpc_logical_id()
5) Added grmgr api to get max_gpc_count
nvgpu_grmgr_get_max_gpc_count().
5) Added grmgr's fbp api to get num_fbps and its enable masks.
nvgpu_grmgr_get_num_fbps()
nvgpu_grmgr_get_fbp_en_mask()
nvgpu_grmgr_get_fbp_rop_l2_en_mask()
6) Used grmgr's fbp apis in ioctl_ctrl.c
7) Moved fbp_init_support() in nvgpu_early_init()
8) Added nvgpu_assert handling in grmgr.c
9) Added vgpu hal for get_max_gpc_count().
JIRA NVGPU-5656
Change-Id: I90ac2ad99be608001e7d5d754f6242ad26c70cdb
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2538508
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GVS: Gerrit_Virtual_Submit
HAL .exec_regops used to first validate regops then execute it, now
moving it to only execute the regops.
- It helps B0CC on HV. On server side it does not track profiler object,
but regops validation uses the profiler, so moving validation to client
side.
- The change also remove ctx_buffer_offset checking in
validate_reg_op_offset. The offset already checked again whitelists
which have be verified when update whitelist. Also vgpu does not have
information of ctx and golden image.
- Added function nvgpu_regops_exec to cover both regops validation and
execution.
Jira GVSCI-10351
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: I434e027290e263a8a64a25a55500f7294038c9c4
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2534252
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
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