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| author | Peter Maydell <peter.maydell@linaro.org> | 2015-10-22 12:41:44 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-10-22 12:41:44 +0100 |
| commit | ca3e40e233e87f7b29442311736a82da01c0df7b (patch) | |
| tree | dba688d01dceded9b998e5d5cfb8cb9264354604 /include/qemu/memfd.h | |
| parent | c1bd8997438f1b556acfeab1d52245ff7cc680c0 (diff) | |
| parent | 3c23402d4032f69af44a87fdb8019ad3229a4f31 (diff) | |
| download | focaccia-qemu-ca3e40e233e87f7b29442311736a82da01c0df7b.tar.gz focaccia-qemu-ca3e40e233e87f7b29442311736a82da01c0df7b.zip | |
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
vhost, pc, virtio features, fixes, cleanups
New features:
VT-d support for devices behind a bridge
vhost-user migration support
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Thu 22 Oct 2015 12:39:19 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
* remotes/mst/tags/for_upstream: (37 commits)
hw/isa/lpc_ich9: inject the SMI on the VCPU that is writing to APM_CNT
i386: keep cpu_model field in MachineState uptodate
vhost: set the correct queue index in case of migration with multiqueue
piix: fix resource leak reported by Coverity
seccomp: add memfd_create to whitelist
vhost-user-test: check ownership during migration
vhost-user-test: add live-migration test
vhost-user-test: learn to tweak various qemu arguments
vhost-user-test: wrap server in TestServer struct
vhost-user-test: remove useless static check
vhost-user-test: move wait_for_fds() out
vhost: add migration block if memfd failed
vhost-user: use an enum helper for features mask
vhost user: add rarp sending after live migration for legacy guest
vhost user: add support of live migration
net: add trace_vhost_user_event
vhost-user: document migration log
vhost: use a function for each call
vhost-user: add a migration blocker
vhost-user: send log shm fd along with log_base
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/qemu/memfd.h')
| -rw-r--r-- | include/qemu/memfd.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/qemu/memfd.h b/include/qemu/memfd.h new file mode 100644 index 0000000000..53858ed43c --- /dev/null +++ b/include/qemu/memfd.h @@ -0,0 +1,26 @@ +#ifndef QEMU_MEMFD_H +#define QEMU_MEMFD_H + +#include "config-host.h" +#include <stdbool.h> + +#ifndef F_LINUX_SPECIFIC_BASE +#define F_LINUX_SPECIFIC_BASE 1024 +#endif + +#ifndef F_ADD_SEALS +#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9) +#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10) + +#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */ +#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */ +#define F_SEAL_GROW 0x0004 /* prevent file from growing */ +#define F_SEAL_WRITE 0x0008 /* prevent writes */ +#endif + +void *qemu_memfd_alloc(const char *name, size_t size, unsigned int seals, + int *fd); +void qemu_memfd_free(void *ptr, size_t size, int fd); +bool qemu_memfd_check(void); + +#endif /* QEMU_MEMFD_H */ |