Messages in this thread | | | Date | Wed, 24 May 2023 09:29:33 +0300 | Subject | Re: [PATCH v13 05/24] mailbox: Add Gunyah message queue mailbox | From | Dmitry Baryshkov <> |
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On 09/05/2023 23:47, Elliot Berman wrote: > Gunyah message queues are a unidirectional inter-VM pipe for messages up > to 1024 bytes. This driver supports pairing a receiver message queue and > a transmitter message queue to expose a single mailbox channel. > > Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> > --- > Documentation/virt/gunyah/message-queue.rst | 8 + > drivers/mailbox/Makefile | 2 + > drivers/mailbox/gunyah-msgq.c | 212 ++++++++++++++++++++ > include/linux/gunyah.h | 57 ++++++ > 4 files changed, 279 insertions(+) > create mode 100644 drivers/mailbox/gunyah-msgq.c > > diff --git a/Documentation/virt/gunyah/message-queue.rst b/Documentation/virt/gunyah/message-queue.rst > index b352918ae54b..70d82a4ef32d 100644 > --- a/Documentation/virt/gunyah/message-queue.rst > +++ b/Documentation/virt/gunyah/message-queue.rst
Note, this file is not a part of the patchset. Trying to apply the patchset results in rejects. Probably you missed the documentation patch when sending this series.
> @@ -61,3 +61,11 @@ vIRQ: two TX message queues will have two vIRQs (and two capability IDs). > | | | | | | > | | | | | | > +---------------+ +-----------------+ +---------------+ > + > +Gunyah message queues are exposed as mailboxes. To create the mailbox, create > +a mbox_client and call `gh_msgq_init()`. On receipt of the RX_READY interrupt, > +all messages in the RX message queue are read and pushed via the `rx_callback` > +of the registered mbox_client. > + > +.. kernel-doc:: drivers/mailbox/gunyah-msgq.c > + :identifiers: gh_msgq_init-- With best wishes Dmitry
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