[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH v4 3/3] xen/public: fix 9pfs documentation of connection sequence
The documented connection sequence in xen/include/public/io/9pfs.h has a bug: the frontend needs to wait for the backend to have published its features before being able to allocate its rings and event-channels. While correcting that, make it clear that there might be multiple rings and event-channels by adding "(s)". Signed-off-by: Juergen Gross <jgross@xxxxxxxx> --- V4: - patch split off (Julien Grall) --- xen/include/public/io/9pfs.h | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/xen/include/public/io/9pfs.h b/xen/include/public/io/9pfs.h index 617ad9afd7..a0ce82d0a8 100644 --- a/xen/include/public/io/9pfs.h +++ b/xen/include/public/io/9pfs.h @@ -114,14 +114,26 @@ * * *Front* *Back* * XenbusStateInitialising XenbusStateInitialising - * - Query virtual device - Query backend device - * properties. identification data. - * - Setup OS device instance. - Publish backend features - * - Allocate and initialize the and transport parameters - * request ring. | - * - Publish transport parameters | - * that will be in effect during V - * this connection. XenbusStateInitWait + * - Query backend device + * identification data. + * - Publish backend features + * and transport parameters. + * | + * | + * V + * XenbusStateInitWait + * + * - Query virtual device + * properties. + * - Query backend features and + * transport parameters. + * - Setup OS device instance. + * - Allocate and initialize the + * request ring(s) and + * event-channel(s). + * - Publish transport parameters + * that will be in effect during + * this connection. * | * | * V @@ -129,8 +141,8 @@ * * - Query frontend transport * parameters. - * - Connect to the request ring and - * event channel. + * - Connect to the request ring(s) + * and event channel(s). * | * | * V -- 2.35.3
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