Seema Khowala 8a0221cfc7 gpu: nvgpu: gv11b: implement eng method buffer init/deinit ...

When CE hits a page fault it needs to save out methods, it will
save it out to a per runqueue per TSG method buffer. The method buffers
(one per TSG runqueue) are allocated in BAR2 space during TSG creation
All channels in a TSG that are mapped to the same runqueue will point
to the same buffer.
S/w will insert channel's method buffer pointer in the channel's
instance block entries NV_RAMIN_ENG_METHOD_BUFFER_ADDR_LO and
NV_RAMIN_ENG_METHOD_BUFFER_ADDR_HI. Method buffer in memory will
be 32B aligned.
Eng method buffer allocated per tsg will be de-allocated during
tsg_release.

JIRA GPUT19X-46

Change-Id: Ib480ae5840d9815d24fe2eadc169ac3102854cd0
Signed-off-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-on: https://git-master/r/1509747
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

2017-07-02 10:20:08 -07:00

..

gpu/nvgpu

gpu: nvgpu: gv11b: implement eng method buffer init/deinit

2017-07-02 10:20:08 -07:00