| Commit message (Collapse) | Author | Age |
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Bug 1646259
Change-Id: Ieb1ca36c8e883c475174d7bbdb3a215f77f9fb47
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1145715
Reviewed-by: Cory Perry <cperry@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add below flag fields to gpu characteristics to indicate
supported and default preemption modes on platform for
graphics and compute
__u32 graphics_preemption_mode_flags;
__u32 compute_preemption_mode_flags;
__u32 default_graphics_preempt_mode;
__u32 default_compute_preempt_mode;
Add struct nvgpu_preemption_modes_rec to struct gr_gk20a
to store these values locally
Use platform specific get_preemption_mode_flags() to
get the flags and define gk20a/gm20b specific
get_preemption_mode_flags() API
Bug 1646259
Change-Id: I80193c0d988dc93bd96585f9aa631fd817f4dfa3
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1133595
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add separate IOCTL NVGPU_IOCTL_CHANNEL_SET_PREEMPTION_MODE
to allow setting preemption modes from UMD
Define preemption modes in nvgpu.h and use them everywhere
Remove mode definitions from mm_gk20a.h
Also, we support setting only one preemption mode in a channel
But it is possible to have multiple preemption modes (one from
graphics and one from compute) set simultaneously
Hence, update struct gr_ctx_desc to include two separate
preemption modes (graphics_preempt_mode and compute_preempt_mode)
API NVGPU_IOCTL_CHANNEL_SET_PREEMPTION_MODE also supports
setting two separate preemption modes i.e. one for graphics
and one for compute
Make necessary changes in code to support two preemption
modes
Bug 1646259
Change-Id: Ia1dea19e609ba8cc0de2f39ab6c0c4cd6b0a752c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1131805
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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JIRA EVLR-244
JIRA EVLR-318
Change-Id: Ie95f42212dadcf2d0c1737eeb28812afb03b712f
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1120603
GVS: Gerrit_Virtual_Submit
Reviewed-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-by: Ken Adams <kadams@nvidia.com>
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gk20a_do_idle()/gk20a_do_unidle() should be defined
if both CONFIG_GK20A and CONFIG_PM are defined
Also, remove unused API nvhost_vpr_info_fetch()
Change-Id: I9c461bf1545b65074d8d20a274347ca306bf092a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1141055
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sri Krishna Chowdary <schowdary@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for changing a TSG's timeslice, within reasonable
limits imposed by the kernel driver.
JIRA VFND-1494
Bug 1749744
Change-Id: Ifca1b63a00da7a5872483bb56692da70a5f18bdf
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1129837
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add below IOCTL to suspend/resume a context
NVGPU_DBG_GPU_IOCTL_SUSPEND_RESUME_CONTEXTS:
Suspend sequence :
- disable ctxsw
- loop through list of channels
- if channel is ctx resident, suspend all SMs
- otherwise, disable channel/TSG
- enable ctxsw
Resume sequence :
- disable ctxsw
- loop through list of channels
- if channel is ctx resident, resume all SMs
- otherwise, enable channel/TSG
- enable ctxsw
Bug 200156699
Change-Id: Iacf1bf7877b67ddf87cc6891c37c758a4644b014
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1120332
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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We currently bind only one channel to a debug session
But some use cases might need multiple channels bound
to same debug session
Add this support by adding a list of channels to debug session.
List structure is implemented as struct dbg_session_channel_data
List node dbg_s_list_node is currently defined in struct
dbg_session_gk20a. But this is inefficient when we need to
add debug session to multiple channels
Hence add new reference structure dbg_session_data to
store dbg_session pointer and list entry
For each NVGPU_DBG_GPU_IOCTL_BIND_CHANNEL call, create
two reference structure dbg_session_channel_data for channel
and dbg_session_data for debug session and bind them together
Define API nvgpu_dbg_gpu_get_session_channel() which will
get first channel in the list of debug session
Use this API wherever we refer to channel bound to debug
session
Remove dbg_sessions define in struct gk20a since it is
not being used anywhere
Add new API NVGPU_DBG_GPU_IOCTL_UNBIND_CHANNEL to support
unbinding of channel from debug sesssion
Bug 200156699
Change-Id: I3bfa6f9cd5b90e7254a75c7e64ac893739776b7f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1120331
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add below IOCTLs to write/clear SM error states
NVGPU_DBG_GPU_IOCTL_CLEAR_SINGLE_SM_ERROR_STATE
NVGPU_DBG_GPU_IOCTL_WRITE_SINGLE_SM_ERROR_STATE
Bug 200156699
Change-Id: I89e3ec51c33b8e131a67d28807d5acf57b3a48fd
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1120330
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support to store error state of single SM before
preprocessing SM exception
Error state is stored as :
struct nvgpu_dbg_gpu_sm_error_state_record {
u32 hww_global_esr;
u32 hww_warp_esr;
u64 hww_warp_esr_pc;
u32 hww_global_esr_report_mask;
u32 hww_warp_esr_report_mask;
}
Note that we can safely append new fields to above
structure in the future if required
Also, add IOCTL NVGPU_DBG_GPU_IOCTL_READ_SINGLE_SM_ERROR_STATE
to support reading SM's error state by user space
Bug 200156699
Change-Id: I9a62cb01e8a35c720b52d5d202986347706c7308
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1120329
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for changing a TSG's runlist interleave
level.
JIRA VFND-1497
Bug 1749744
Change-Id: I3cf3ebc2334f83b1bfb6b3230fae2ca73c75c239
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1122677
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement NVGPU_GPU_IOCTL_GET_GPU_TIME for reading the GPU time.
Bug 1395833
Change-Id: I7ddc7c28ff0c9a336cc0dcd820b15fb0fea714d0
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/1125630
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add build and gpu framework support for t19x.
Bug 1735757
Change-Id: I4b7c6468871ca27412a6f9be20f744bc730b4142
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1122093
GVS: Gerrit_Virtual_Submit
Reviewed-by: Ken Adams <kadams@nvidia.com>
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Bug 1648908
Change-Id: I7901e7bce5f7aa124a188101dd0736241d87bd53
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1031861
Reviewed-on: http://git-master/r/1121261
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for SMPC and HWPM context switching when virtualized
Bug 1648200
JIRASW EVLR-219
JIRASW EVLR-253
Change-Id: I80a1613eaad87d8510f00d9aef001400d642ecdf
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1122034
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Use struct device instead of struct platform_device wherever
possible. This allows adding other bus types later.
Change-Id: I1657287a68d85a542cdbdd8a00d1902c3d6e00ed
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1120466
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Change-Id: I319e877978b7f483108ef8f67c05702b71709f62
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1120501
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add support for hwpm context switching
Bug 1648200
Change-Id: I482899bf165cd2ef24bb8617be16df01218e462f
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1120450
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add NVGPU_IOCTL_TSG_EVENT_ID_CTRL API for channel
event id support to TSGs
This API will accept an event_id (like BPT.INT or
BPT.PAUSE), a command to enable
the event, and return a file descriptor on which
we can raise the event (if cmd=enable)
Events generated for TSGs will reuse file
operations "gk20a_event_id_ops"
Bug 200089620
Change-Id: I2f563c6d3a0988eb670caac2d3c7c6795724792c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1030776
(cherry picked from commit 72b61fa266279038f013e582be80c21808e1038d)
Reviewed-on: http://git-master/r/1120319
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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With NVGPU_IOCTL_CHANNEL_EVENTS_CTRL, nvgpu can
raise events to User space. But user space
cannot distinguish between various types of events.
To overcome this, we need finer-grained API to
deliver various events to user space.
Remove old API NVGPU_IOCTL_CHANNEL_EVENTS_CTRL,
and all the support for this API (we can remove
this since User space has not started using this
API at all)
Add new API NVGPU_IOCTL_CHANNEL_EVENT_ID_CTRL
which will accept an event_id (like BPT.INT or
BPT.PAUSE), a command to enable the event,
and return a file descriptor on which
we can raise the event (if cmd=enable)
Event is disabled when file descriptor is closed
Add file operations "gk20a_event_id_ops"
to support polling on event fd
Also add API gk20a_channel_get_event_data_from_id()
to get event_data of event from its id
Bug 200089620
Change-Id: I5288f19f38ff49448c46338c33b2a927c9e02254
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1030775
(cherry picked from commit 5721ce2735950440bedc2b86f851db08ed593275)
Reviewed-on: http://git-master/r/1120318
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
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include/linux/gk20a.h was missed while spliting the nvgpu driver off.
This patch imports it into the nvgpu repo.
bug 200187033
Change-Id: I0622091348c1b6e19f592a1807a19739dc1f9cd0
Signed-off-by: Alex Van Brunt <avanbrunt@nvidia.com>
Reviewed-on: http://git-master/r/1119271
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Bug 1648908
Change-Id: I39b1becf0b00e930a180a5a8367c22ff4d495446
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1031860
(cherry picked from commit f1940e1438fb3494c3093f1ab6a11bed6deb2b93)
Reviewed-on: http://git-master/r/1022182
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Update vgpu back-end to send channel timeslice request
to server.
JIRA VFND-1347
Bug 1729664
Change-Id: I289f88882780616331952a79a223755117f07174
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1028977
(cherry picked from commit 792a5642b37ca34362ba68200cb8909d2fe8c18c)
Reviewed-on: http://git-master/r/1026592
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Update vgpu back-end to send channel interleave request
to server.
JIRA VFND-1313
Bug 1729664
Change-Id: I2433aef485135ae9222dec238e25aedc19257744
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1028976
(cherry picked from commit df3c5dc410839d126cc0574064d23e58102689b8)
Reviewed-on: http://git-master/r/1026049
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 1648908
This commit adds support for FECS ctxsw tracing. Code is compiled
conditionnaly under CONFIG_GK20_CTXSW_TRACE.
This feature requires an updated FECS ucode that writes one record to a ring
buffer on each context switch. On RM/Kernel side, the GPU driver reads records
from the master ring buffer and generates trace entries into a user-facing
VM ring buffer. For each record in the master ring buffer, RM/Kernel has
to retrieve the vmid+pid of the user process that submitted related work.
Features currently implemented:
- master ring buffer allocation
- debugfs to dump master ring buffer
- FECS record per context switch (with both current and new contexts)
- dedicated device for ctxsw tracing (access to VM ring buffer)
- SOF generation (and access to PTIMER)
- VM ring buffer allocation, and reconfiguration
- enable/disable tracing at user level
- event-based trace filtering
- context_ptr to vmid+pid mapping
- read system call for ctxsw dev
- mmap system call for ctxsw dev (direct access to VM ring buffer)
- poll system call for ctxsw dev
- save/restore register on ELPG/CG6
- separate user ring from FECS ring handling
Features requiring ucode changes:
- enable/disable tracing at FECS level
- actual busy time on engine (bug 1642354)
- master ring buffer threshold interrupt (P1)
- API for GPU to CPU timestamp conversion (P1)
- vmid/pid/uid based filtering (P1)
Change-Id: I8e39c648221ee0fa09d5df8524b03dca83fe24f3
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: http://git-master/r/1022737
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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As part of improving GPU scheduling, userspace can now set a
channel's timeslice, within reasonable limits imposed by the
kernel driver.
JIRA VFND-1312
Bug 1729664
Change-Id: I4c3430c43437889b8685f12988d4b967bb7877bb
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1020917
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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bug 1648908
Provides pairs of CPU and GPU timestamps that
can be used for correlatiing the two timebases
- IOCTL made available /dev/nvhost-ctrl-gpu
Change-Id: I1458b9d33d794b1b02ec9fd29ed9426756b94bcd
Signed-off-by: Arul Sekar <aruls@nvidia.com>
Reviewed-on: http://git-master/r/1029732
Reviewed-by: Arun Gona <agona@nvidia.com>
Tested-by: Arun Gona <agona@nvidia.com>
Reviewed-on: http://git-master/r/1111715
GVS: Gerrit_Virtual_Submit
Reviewed-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Previously, only "high" priority bare channels were interleaved
between all other bare channels and TSGs. This patch decouples
priority from interleaving and introduces 3 levels for interleaving
a bare channel or TSG: high, medium, and low. The levels define
the number of times a channel or TSG will appear on a runlist (see
nvgpu.h for details).
By default, all bare channels and TSGs are set to interleave level
low. Userspace can then request the interleave level to be increased
via the CHANNEL_SET_RUNLIST_INTERLEAVE ioctl (TSG-specific ioctl will
be added later).
As timeslice settings will soon be coming from userspace, the default
timeslice for "high" priority channels has been restored.
JIRA VFND-1302
Bug 1729664
Change-Id: I178bc1cecda23f5002fec6d791e6dcaedfa05c0c
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/1014962
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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NVGPU_GPU_FLAGS_SUPPORT_TSG indicates both the kernel driver and
device support time slice group (TSG).
Bug 1617046
Bug 200155618
Change-Id: Ib3490a32b773222560c58f1fd6d32bffcb97d6cd
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1010173
Reviewed-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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Add IOCTL NVGPU_DBG_GPU_IOCTL_SET_NEXT_STOP_TRIGGER_TYPE
to set next stop_trigger type (either single SM or
broadcast to all SMs)
Also, expose below APIs to check and clear broadcast flag:
gk20a_dbg_gpu_broadcast_stop_trigger()
gk20a_dbg_gpu_clear_broadcast_stop_trigger()
Bug 200156699
Change-Id: I5e6cd4b84e601889fb172e0cdbb6bd5a0d366eab
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/925882
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Bug 200097029
Change-Id: Id63dad1629b1d1919cbbfb20b0cb85d4855f526d
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1000724
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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- add gops.fifo.channel_set_priority and move current code
as native callback.
- implement the callback for vgpu
Bug 1701079
Change-Id: If1cd13ea4478d11d578da2f682598e0c4522bcaf
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/932829
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Added new RM Server command for regops.
JIRA VFND-1128
Bug 1700139
Change-Id: Ia1cc63e993c29c91f87440c241077fa91edb9e53
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/923235
(cherry picked from commit 7de22e42cfd2e419ad64178b9f1f1ee16273bd03)
Reviewed-on: http://git-master/r/841330
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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When TEGRA_VGPU_GR_INTR_SM_EXCEPTION comes, post
debugger event.
Bug 1594604
JIRA VFND-1120
Change-Id: I7229c3994220a7c6f117d38a1af2e766187a47c6
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/923234
(cherry picked from commit bdd414d9366133380a202d88b1a50038b70c068d)
Reviewed-on: http://git-master/r/840646
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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JIRA VFND-1006
Bug 1594604
Change-Id: If6eb7ae22b5b0557faddd3d68deb791abb24bec4
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/923233
(cherry picked from commit 9e14ca393c3044be702c50524a9ef3a2c3a6270c)
Reviewed-on: http://git-master/r/841866
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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This change adds the following IOCTLS:
- NVGPU_GPU_IOCTL_RESUME_FROM_PAUSE
- NVGPU_GPU_IOCTL_TRIGGER_SUSPEND
- NVGPU_GPU_IOCTL_CLEAR_SM_ERRORS
Bug 1619430
Change-Id: Iac37d515a753d8b799e631224eae2fa168b43e2c
Signed-off-by: ashutosh jain <ashutoshj@nvidia.com>
Reviewed-on: http://git-master/r/921378
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Update last IOCTL number to point to GET_TIMEOUT to allow its use.
Bug 1706457
Change-Id: I9c8cc4e972fc25e14ca5aff075eca72bc1807a0b
Signed-off-by: Chris Dragan <kdragan@nvidia.com>
(cherry-picked from commit f73444b0f92737919dafd1623a2dde60c467b25b)
Reviewed-on: http://git-master/r/921453
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Bug 1706457
Change-Id: Iab76bcb7cabc55d99b5acd932716d30da6f01b46
Signed-off-by: Chris Dragan <kdragan@nvidia.com>
Reviewed-on: http://git-master/r/835852
Reviewed-on: http://git-master/r/836454
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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SM locking & register reads Order has been changed.
Also, functions have been implemented based on gk20a
and gm20b.
Change-Id: Iaf720d088130f84c4b2ca318d9860194c07966e1
Signed-off-by: sujeet baranwal <sbaranwal@nvidia.com>
Signed-off-by: ashutosh jain <ashutoshj@nvidia.com>
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/837236
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JIRA VFND-1005
Bug 1594604
Change-Id: Ic159a1aff9cee508194f1f5dff7a16eb0e47ad64
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/833498
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Aingara Paramakuru <aparamakuru@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add IOCTL NVGPU_IOCTL_CHANNEL_WDT to disable/enable
watchdog per-channel
Also, if watchdog is disabled, we currently schedule
the worker with MAX timeout.
Instead of this, do not schedule any worker if
watchdog is disabled
Bug 1683059
Bug 1700277
Change-Id: I7f6bec84adeedb74e014ed6d1471317b854df84c
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/837962
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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In job submission path, we always take refcount on all
the mapped buffers to safeguard against case where user
space releases the buffer early
But in case user space itself is doing proper buffer
management, kernel need not take refcounts on all the
buffers - which is also a overhead in submit path
Hence, provide a new submit flag
NVGPU_SUBMIT_GPFIFO_FLAGS_SKIP_BUFFER_REFCOUNTING to
optionally skip taking refcounts on all the buffers
Also, if we do not take refcounts, then no need to drop
any refcounts in gk20a_channel_update() as well
Bug 1698667
Bug 200141116
Change-Id: I81bb7a03240300b691c70bcec04ea1badd5934f4
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/824718
(cherry picked from commit 8c8978fa303ec4e6db0233becdbdcbad4a248173)
Reviewed-on: http://git-master/r/835801
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement NVGPU_GPU_IOCTL_ALLOC_AS_FLAGS_USERSPACE_MANAGED, which
enables creating userspace-managed GPU address spaces.
When an address space is marked as userspace-managed, the following
changes are in effect:
- Only fixed-address mappings are allowed.
- VA space allocation for fixed-address mappings is not required,
except to mark space as sparse.
- Maps and unmaps are always immediate. In particular, the mapping
ref increments at kickoffs and decrements at job completion are
skipped.
Bug 1614735
Bug 1623949
Bug 1660392
Change-Id: I834fe19b3f65e9b02c268952383eddee0e465759
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/738558
Reviewed-on: http://git-master/r/833253
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Implement NVGPU_GPU_IOCTL_GET_BUFFER_INFO. The new IOCTL can be used
to identify buffers and retrieve their sizes. This allows the
userspace to be agnostic to the dmabuf implementation, as the generic
dmabuf fd interface does not have a reliable way for buffer
identification.
Bug 1614735
Bug 1623949
Bug 1660392
Change-Id: Ic3dd0a9385c9852778110ccb80636dd6f4f36208
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/822845
Reviewed-on: http://git-master/r/833252
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add new IOCTL NVGPU_IOCTL_TSG_SET_PRIORITY to allow
setting timeslice for entire TSG
Return error from channel specific IOCTL_CHANNEL_SET_PRIORITY
if the channel is part of TSG
Separate out API gk20a_channel_get_timescale_from_timeslice()
to get timeslice_timeout and scale from timeslice period
Use this API to get timeslice_timeout and scale for TSG and
store it in tsg_gk20a structure
Then trigger runlist update so that new timeslice values
will be re-written to runlist for TSG
Bug 200146615
Change-Id: I555467d034f81b372b31372f0835d72b1c159508
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/824206
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Add IOCTL NVGPU_DBG_GPU_IOCTL_TIMEOUT to support
disabling/re-enabling scheduler timeout from user space
If user space application is closed without re-enabling
the timeouts, kernel will restore the timeouts' state
while releasing the debug session
This is needed for debugging purpose
Bug 1514061
Change-Id: I32efb47ad09d793f3e7fd8f0aaa9720c8bc91272
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/788176
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Get rid of the duplicate gpfifo struct to emphasize the fact that
nvgpu_gpfifo is the only memory layout for gpfifo entries that works.
This is the same layout that HW uses.
Also, add a local pointer to the gpfifo memory in
gk20a_submit_channel_gpfifo to get rid of repeated typecasts.
Bug 1592391
Bug 1550886
Change-Id: I5432859ef8e7c1aab5907e44098994d7bb807f50
Signed-off-by: Janne Hellsten <jhellsten@nvidia.com>
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: http://git-master/r/677341
(cherry picked from commit 724c8c6228af81dd440e825bddf545dd6b2b8bd7)
Reviewed-on: http://git-master/r/822548
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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Move the gr ctx management to the GPU HAL. Also,
add support for a new interface to allocate gr ctxsw
buffers.
Bug 1677153
Change-Id: I5a7980acf4de0de7dbd94b7dd20f91a6196dc989
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/806961
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: http://git-master/r/817009
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
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The server now exposes a new GMMU map interface that
can accept a scatter-gather list. This is needed to support
SMMU-bypass configurations.
Bug 1677153
JIRA VFND-689
Change-Id: I7b5af145db57dcebe2c9125ec90c689798d7e69e
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/792558
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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Add vgpu framework and build for T18x.
Bug 1677153
JIRA VFND-693
Change-Id: Icf9fd8e0b5769228aee59c54f9b000b992e5fcca
Signed-off-by: Aingara Paramakuru <aparamakuru@nvidia.com>
Reviewed-on: http://git-master/r/792559
Reviewed-on: http://git-master/r/806178
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>
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