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>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@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: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Dinesh T <dt@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@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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Reviewed-by: Dinesh T <dt@nvidia.com>
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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>
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CIC (Central Interrupt controller) will be responsible for the
interrupt handling. common.cic unit is the placeholder for all
interrupt related code. Move interrupt related defines and
Public APIs present in common.mc to common.cic.
Note: The common.mc interrupts related struct definitions are
not moved as part of this patch.
Adapt the code to use interrupt handling related defines and public
APIs migrated from common.mc to common.cic
JIRA NVGPU-6899
Change-Id: I747e2b556c0dd66d58d74ee5bb36768b9370d276
Signed-off-by: Tejal Kudav <tkudav@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2535618
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
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This is adding fix for dev_node leak when user_deinit
called.
The dev_nodes in linux are created in two phases. In first
phase the power dev_nodes(one for legacy and other for v2)
are created. The second phase other dev_nodes are created.
While creating the dev_nodes the power cdev_region overwritten
by cdev_region. This is fixed by introducing new cdev_region and
updating respective nodes.
JIRA NVGPU-6721
Change-Id: Iec78db8e5fe40cc0b14fb3fecc35b8881dff716f
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2535265
Reviewed-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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Fixes:
1) gk20a_sched_dev_ioctl allocates a buffer with size
*CTXSW_IOCTL_MAX_ARG_SIZE* but then sanitizes IOC_SIZE
against *SCHED_IOCTL_MAX_ARG_SIZE*. No big deal here
since both are of size 0x20 but may lead to issues in
the future.
2) nvgpu_clk_arb_ioctl_event_dev would BUG_ON if IOC_SIZE
is larger than expected. Let's instead sanitize and return
error.
Jira VFND-1586
Jira VQRM-3741
Change-Id: I9e00796a2b2f4a83c3a04194c34eb4c006b937d3
Signed-off-by: Martin Radev <mradev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2525753
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Sagar Kamble <skamble@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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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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This is adding code to select MIG mode and boot
the GPU with selected mig config.
For testing MIG, after system boots
1. write mig_mode_config by
echo x > /sys/devices/gpu.0/mig_mode_config for igpu
echo x > /sys/devices/./platform/14100000.pcie/pci0001:00/0001:00:00.0/0001:01:00.0/ for dgpu
2. Then run any nvgpu* tests or nvrm_gpu_info.
If the mig_mode need to be changed , note down the supported
configs by "cat mig_mode_config_list" and reboot the system
3. Follow steps 1 and 2.
example output:
"cat mig_mode_config" 2
"cat mig_mode_config_list"
+++++++++ Config list Start ++++++++++
CONFIG_ID : 0 for CONFIG NAME : 2 GPU instances each with 4 GPCs
CONFIG_ID : 1 for CONFIG NAME : 4 GPU instances each with 2 GPCs
CONFIG_ID : 2 for CONFIG NAME : 7 GPU instances - 1 GPU instance with 2
GPCs + 6 GPU instances each with 1 GPC
CONFIG_ID : 3 for CONFIG NAME : 5 GPU instances - 1 GPU instance with 4
GPCs + 4 GPU instances each with 1 GPC
CONFIG_ID : 4 for CONFIG NAME : 4 GPU instances - 1 GPU instance with 2
GPCs + 2 GPU instances each with 1 GPC + 1 GPU instance with 4 GPCs
CONFIG_ID : 5 for CONFIG NAME : 6 GPU instances - 2 GPU instances each
with 2 GPCs + 4 GPU instances each with 1 GPC
CONFIG_ID : 6 for CONFIG NAME : 5 GPU instances - 1 GPU instance with
2 GPCs + 2 GPU instances each with 1 GPC + 2 GPU instances with 2 GPCs
CONFIG_ID : 7 for CONFIG NAME : 5 GPU instances - 2 GPU instances each
with 2 GPCs + 1 GPC instance with 2 GPCs + 2 GPU instances with 1 GPC
CONFIG_ID : 8 for CONFIG NAME : 5 GPU instances - 1 GPC instance with 2
GPCs + 2 GPU instances each with 1 GPC + 2 GPU instances each with 2
GPCs
CONFIG_ID : 9 for CONFIG NAME : 1 GPU instance with 8 GPCs
++++++++++ Config list End +++++++++++
JIRA NVGPU-6633
Change-Id: I3e56f8c836e1ced8753a60f328da63916faa7696
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2522821
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- The power device node is created at bootime and the power node
is used to power-on the GPU. Power node is commmon for MIG and
non-MIG platforms. As the same API is used for power and
other MIG/non-MIG nodes, we need to distinguish between them.
Otherwise the same nodes creation will give boot issue.
- As we are supporting mig_mode setting for non-mig platforms
like GV11B, the condition need to be added to create MIG-modes
or not. If any mig-mode is set on gv11b/tu104 then graphics pipeline
will be disabled.
JIRA NVGPU-6633
Signed-off-by: dt <dt@nvidia.com>
Change-Id: I3c641e50c39180543efff04a9cf8b721dbf7f648
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2521732
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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Currently, there are few chip specific erratas present in nvgpu code.
For better traceability of the erratas and corresponding fixes,
introduce flags to indicate existing erratas on a chip. These flags
decide if a corresponding solution is applied to the chip(s).
This patch introduces below functions to handle errata flags:
- nvgpu_init_errata_flags
- nvgpu_set_errata
- nvgpu_is_errata_present
- nvgpu_print_errata_flags
- nvgpu_free_errata_flags
nvgpu_print_errata_flags: print below details of erratas present in chip
1. errata flag name
2. chip where the errata was first discovered
3. short description of the errata
Flags corresponding to erratas present in a chip are set during chip hal
init sequence.
JIRA NVGPU-6510
Change-Id: Id5a8fb627222ac0a585aba071af052950f4de965
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2498095
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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The function nvgpu_pci_probe invokes nvgpu_kzalloc(g) with a pointer
to struct gk20a before setting the device pointer in struct
nvgpu_os_linux. This may result in NULL Pointer access in the function
nvgpu_log_name when some logs are enabled during boot.
As a solution, the implementation of nvgpu_log_name is updated to first
check for a valid pointer to a struct device before calling dev_name
Jira NVGPU-6770
Change-Id: I98a9746550e43f3b7a143f5b7c7141ff6c67f758
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2520355
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Lakshmanan M <lm@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-by: Vaibhav Kachore <vkachore@nvidia.com>
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1) NvGpu dev node needs to be created in gpu power on
early stage to avoid latency introduced by udevd.
For creating dev node, device and grmgr init
needs to move to early stage of GPU power on.
After grmgr init, NvGpu can identify the number of MIG
instance required for each physical GPU.
For that, added a new API nvgpu_early_poweron() to handle
early init which is required for before dev node creation.
2) Removed fifo dependency in nvgpu_init_gr_manager()
3) Used get_max_subctx_count() directly to query
the veid/subctx count.
JIRA NVGPU-6633
Change-Id: Ib9d7c3e184c71237b0da9305515ccd8ceda1d5ad
Signed-off-by: Lakshmanan M <lm@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2517173
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This is adding two sysfs nodes
1. mig_mode_config: to select the mig_mode
2. mig_mode_config_list: to list the available mig configs.
Added logic to skip gpu dev node creation only for
real MIG physical device.
Added logic to skip the gpu characteristics flags only for
real MIG physical device.
JIRA NVGPU-6633
Change-Id: I4a450b6d658f76e79d89f863c00dffad4558c70f
Signed-off-by: dt <dt@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2499284
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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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- moved reg fields to gk20a
- added os abstract register accessor in nvgpu/io.h
- defined linux register access abstract implementation
- hook up with posix. posix implementation of the register accessor uses
the high 4 bit of address to identify register apertures then call the
according callbacks.
It helps to unify code across OSes.
Bug 2999617
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Change-Id: Ifcb737e4b4d5b1d8bae310ae50b1ce0aa04f750c
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2497937
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Alex Waterman <alexw@nvidia.com>
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Introduce new HAL gops_ltc.set_l2_sector_promotion to configure L2
sector promotion policy. The follow three promotion settings are support:
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_NONE
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_64B
- NVGPU_GPU_IOCTL_TSG_L2_SECTOR_PROMOTE_FLAG_128B
Add ioctl "NVGPU_TSG_IOCTL_SET_L2_SECTOR_PROMOTION" to the gpu tsg node
to support l2 sector promotion. On chips which do not support sector
promotion, the ioctl returns 0.
Bug 200656177
Change-Id: Iad835a5c954d3b10da436cfafb388aaaa04f44c7
Signed-off-by: Antony Clince Alex <aalex@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2460553
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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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