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accel/qaic: Implement basic SSR handling

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Subsystem restart (SSR) for a qaic device means that a NSP has crashed,
and will be restarted.  However the restart process will lose any state
associated with activation, so the user will need to do some recovery.

While SSR has the provision to collect a crash dump, this patch does not
implement support for it.

Co-developed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Co-developed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Co-developed-by: Troy Hanson <quic_thanson@quicinc.com>
Signed-off-by: Troy Hanson <quic_thanson@quicinc.com>
Co-developed-by: Aswin Venkatesan <aswivenk@qti.qualcomm.com>
Signed-off-by: Aswin Venkatesan <aswivenk@qti.qualcomm.com>
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Youssef Samir <youssef.abdulrahman@oss.qualcomm.com>
Signed-off-by: Zack McKevitt <zachary.mckevitt@oss.qualcomm.com>
Reviewed-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
[jhugo: Fix minor checkpatch whitespace issues]
Signed-off-by: Jeff Hugo <jeff.hugo@oss.qualcomm.com>
Link: https://patch.msgid.link/20251031174059.2814445-3-zachary.mckevitt@oss.qualcomm.com
This commit is contained in:
Jeffrey Hugo 2025-10-31 10:41:02 -07:00 • committed by Jeff Hugo
commit 9675093ace
7 changed files with 381 additions and 9 deletions
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