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| author | Jagannathan Raman <jag.raman@oracle.com> | 2021-01-29 11:46:13 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2021-02-10 09:23:28 +0000 |
| commit | ed5d001916dd46ceed6d8850e453bcd7b5db2acb (patch) | |
| tree | 3ed54d07ea3667e4d86101d6aa33e5df510d2f7e /hw/remote/mpqemu-link.c | |
| parent | c7d80c7c1d9183fedd33fabd68190de51aab291d (diff) | |
| download | focaccia-qemu-ed5d001916dd46ceed6d8850e453bcd7b5db2acb.tar.gz focaccia-qemu-ed5d001916dd46ceed6d8850e453bcd7b5db2acb.zip | |
multi-process: setup memory manager for remote device
SyncSysMemMsg message format is defined. It is used to send file descriptors of the RAM regions to remote device. RAM on the remote device is configured with a set of file descriptors. Old RAM regions are deleted and new regions, each with an fd, is added to the RAM. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 7d2d1831d812e85f681e7a8ab99e032cf4704689.1611938319.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw/remote/mpqemu-link.c')
| -rw-r--r-- | hw/remote/mpqemu-link.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/remote/mpqemu-link.c b/hw/remote/mpqemu-link.c index 0d1899fd94..4ee1128285 100644 --- a/hw/remote/mpqemu-link.c +++ b/hw/remote/mpqemu-link.c @@ -201,5 +201,16 @@ bool mpqemu_msg_valid(MPQemuMsg *msg) } } + /* Verify message specific fields. */ + switch (msg->cmd) { + case MPQEMU_CMD_SYNC_SYSMEM: + if (msg->num_fds == 0 || msg->size != sizeof(SyncSysmemMsg)) { + return false; + } + break; + default: + break; + } + return true; } |