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authorThomas Huth <thuth@redhat.com>2017-08-30 15:39:03 +0200
committerCornelia Huck <cohuck@redhat.com>2017-09-19 18:21:33 +0200
commit51af0ec9fa7269f0c69aa50a1a24748b4edc4b44 (patch)
tree68f0ce22a478ebf25585569474429288728a6c9a /util/systemd.c
parent6c5e740247182807b684d30db20d9b8e169b5b22 (diff)
hw/misc/ivshmem: Fix ivshmem_recv_msg() to also work on big endian systems
The "slow" ivshmem-tests currently fail when they are running on a big endian host: $ uname -m ppc64 $ V=1 QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/ivshmem-test -m slow /x86_64/ivshmem/single: OK /x86_64/ivshmem/hotplug: OK /x86_64/ivshmem/memdev: OK /x86_64/ivshmem/pair: OK /x86_64/ivshmem/server-msi: qemu-system-x86_64: -device ivshmem-doorbell,chardev=chr0,vectors=2: server sent invalid ID message Broken pipe The problem is that the server side code in ivshmem_server_send_one_msg() correctly translates all messages IDs into little endian 64-bit values, but the client side code in the ivshmem_recv_msg() function does not swap the byte order back. Fix it by passing the value through le64_to_cpu(). Signed-off-by: Thomas Huth <thuth@redhat.com> Message-Id: <1504100343-26607-1-git-send-email-thuth@redhat.com> Tested-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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