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Add vgpu support for ModeE perfbuffers
- VM allocation is handled by the kernel, with final mapping
handled by the RM server
- Enabling/disabling the perfbuffer is handled by the RM server
Bug 1880196
JIRA EVLR-1074
Change-Id: Ifbeb5ede6b07e2e112b930c602c22b66a58ac920
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master/r/1506747
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Add wrapper header file nvgpu/bug.h. It #includes <linux/bug.h>
in Linux.
JIRA NVGPU-13
Change-Id: I7bf02ba554333f7cbd79d72bd1cb423c81ebcb49
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1461545
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Support for hwpm reservations in the virtual case:
- Add session ops for checking and setting global and context reservations, and
releasing reservations
- in the native case, these just update reservation counts and flags
- in the vgpu case, when the reservation count is 0, check with the RM server
that a reservation is possible: for global reservations, no other guest
can have a reservation; for context reservations, no other guest can have
a global reservation
- in the vgpu case, when the reservation count is decremented to 0, notify
the RM server that the guest no longer has any reservations
Bug 1775465
JIRA VFND-3428
Change-Id: Idf115b730e465e35d0745c96a8f8ab6b645c7cae
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1323375
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Fix small problems related to signed versus unsigned comparisons
throughout the driver. Bump up the warning level to prevent such
problems from occuring in future.
Change-Id: I8ff5efb419f664e8a2aedadd6515ae4d18502ae0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1252068
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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Move vgpu private data to a dedicated structure and allocate it
at probe time. Also add virt_handle helper function which is used
everywhere.
JIRA VFND-2103
Change-Id: I125911420be72ca9be948125d8357fa85d1d3afd
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1185206
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
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Move dbg_session_ops to gops for better code consistency
JIRA VFND-1905
Change-Id: I04a11d77dd8c26d9922e80e556822f80dd2bc36d
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1192641
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
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Add support for dbg_set_powergate when virtualized
Jira VFND-1905
Change-Id: I0d81c8863b3eda4ae4fee42e5a95d2fc9d78b174
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: http://git-master/r/1162048
(cherry picked from commit 0dfc55f390a10e21ae13e14dd2f16e89a3bddfa7)
Reviewed-on: http://git-master/r/1167182
(cherry picked from commit 4e34a1844558d93da5ad208532ec28aeda228f95)
Reviewed-on: http://git-master/r/1174701
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Vladislav Buzov <vbuzov@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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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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