Re: [PATCH V4 03/10] accel/amdxdna: Support hardware mailbox

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On 10/11/2024 5:12 PM, Lizhi Hou wrote:
The hardware mailboxes are used by the driver to submit requests to
firmware and receive the completion notices from hardware.

Initially, a management mailbox channel is up and running. The driver may
request firmware to create/destroy more channels dynamically through
management channel.

Add driver internal mailbox interfaces.
   - create/destroy a mailbox channel instance
   - send a message to the firmware through a specific channel
   - wait for a notification from the specific channel

Co-developed-by: George Yang <George.Yang@xxxxxxx>
Signed-off-by: George Yang <George.Yang@xxxxxxx>
Co-developed-by: Min Ma <min.ma@xxxxxxx>
Signed-off-by: Min Ma <min.ma@xxxxxxx>
Signed-off-by: Lizhi Hou <lizhi.hou@xxxxxxx>

Reviewed-by: Jeffrey Hugo <quic_jhugo@xxxxxxxxxxx>



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