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| author | David Marchand <david.marchand@6wind.com> | 2014-09-08 11:17:48 +0200 |
|---|---|---|
| committer | Marc-André Lureau <marcandre.lureau@redhat.com> | 2015-10-24 18:03:16 +0200 |
| commit | a75eb03b9fca3af291ec2c433ddda06121ae927d (patch) | |
| tree | b9d8ef5bca0bc11dcb7f56e91d19b61eac455270 /qemu-doc.texi | |
| parent | 12f0b68c82356e4dd24f2f0d370b21eb17f1f42e (diff) | |
| download | qemu-a75eb03b9fca3af291ec2c433ddda06121ae927d.tar.gz qemu-a75eb03b9fca3af291ec2c433ddda06121ae927d.tar.bz2 qemu-a75eb03b9fca3af291ec2c433ddda06121ae927d.zip | |
contrib: add ivshmem client and server
When using ivshmem devices, notifications between guests can be sent as
interrupts using a ivshmem-server (typical use described in documentation).
The client is provided as a debug tool.
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
[fix a valgrind warning, option and server_close() segvs, extra server
headers includes, getopt() return type, out-of-tree build, use qemu
event_notifier instead of eventfd, fix x86/osx warnings - Marc-André]
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Diffstat (limited to 'qemu-doc.texi')
| -rw-r--r-- | qemu-doc.texi | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi index 5b81aa052d..afa226303b 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -1266,9 +1266,13 @@ is qemu.git/contrib/ivshmem-server. An example syntax when using the shared memory server is: @example -qemu-system-i386 -device ivshmem,size=<size in format accepted by -m>[,chardev=<id>] - [,msi=on][,ioeventfd=on][,vectors=n][,role=peer|master] -qemu-system-i386 -chardev socket,path=<path>,id=<id> +# First start the ivshmem server once and for all +ivshmem-server -p <pidfile> -S <path> -m <shm name> -l <shm size> -n <vectors n> + +# Then start your qemu instances with matching arguments +qemu-system-i386 -device ivshmem,size=<shm size>,vectors=<vectors n>,chardev=<id> + [,msi=on][,ioeventfd=on][,role=peer|master] + -chardev socket,path=<path>,id=<id> @end example When using the server, the guest will be assigned a VM ID (>=0) that allows guests |