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authorPeter Maydell <peter.maydell@linaro.org>2018-03-16 11:05:03 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-03-16 11:05:03 +0000
commit3788c7b6e56fa34ee2a73e41706eb2a2447ba75a (patch)
tree8f016e7c9175686b4d7c2d1847c8cc877102dc6b /include/sysemu
parenta57946ff2acb9c0d95c9f127914540586b0b8c21 (diff)
parent0790f86861079b1932679d0f011e431aaf4ee9e2 (diff)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Record-replay lockstep execution, log dumper and fixes (Alex, Pavel) * SCSI fix to pass maximum transfer size (Daniel Barboza) * chardev fixes and improved iothread support (Daniel Berrangé, Peter) * checkpatch tweak (Eric) * make help tweak (Marc-André) * make more PCI NICs available with -net or -nic (myself) * change default q35 NIC to e1000e (myself) * SCSI support for NDOB bit (myself) * membarrier system call support (myself) * SuperIO refactoring (Philippe) * miscellaneous cleanups and fixes (Thomas) # gpg: Signature made Mon 12 Mar 2018 16:10:52 GMT # gpg: using RSA key BFFBD25F78C7AE83 # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" # Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1 # Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83 * remotes/bonzini/tags/for-upstream: (69 commits) tcg: fix cpu_io_recompile replay: update documentation replay: save vmstate of the asynchronous events replay: don't process async events when warping the clock scripts/replay-dump.py: replay log dumper replay: avoid recursive call of checkpoints replay: check return values of fwrite replay: push replay_mutex_lock up the call tree replay: don't destroy mutex at exit replay: make locking visible outside replay code replay/replay-internal.c: track holding of replay_lock replay/replay.c: bump REPLAY_VERSION again replay: save prior value of the host clock replay: added replay log format description replay: fix save/load vm for non-empty queue replay: fixed replay_enable_events replay: fix processing async events cpu-exec: fix exception_index handling hw/i386/pc: Factor out the superio code hw/alpha/dp264: Use the TYPE_SMC37C669_SUPERIO ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org> # Conflicts: # default-configs/i386-softmmu.mak # default-configs/x86_64-softmmu.mak
Diffstat (limited to 'include/sysemu')
-rw-r--r--include/sysemu/replay.h16
-rw-r--r--include/sysemu/sysemu.h2
2 files changed, 18 insertions, 0 deletions
diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h
index c0204e6..3ced6bc 100644
--- a/include/sysemu/replay.h
+++ b/include/sysemu/replay.h
@@ -48,6 +48,19 @@ extern ReplayMode replay_mode;
/* Name of the initial VM snapshot */
extern char *replay_snapshot;
+/* Replay locking
+ *
+ * The locks are needed to protect the shared structures and log file
+ * when doing record/replay. They also are the main sync-point between
+ * the main-loop thread and the vCPU thread. This was a role
+ * previously filled by the BQL which has been busy trying to reduce
+ * its impact across the code. This ensures blocks of events stay
+ * sequential and reproducible.
+ */
+
+void replay_mutex_lock(void);
+void replay_mutex_unlock(void);
+
/* Replay process control functions */
/*! Enables recording or saving event log with specified parameters */
@@ -166,5 +179,8 @@ void replay_audio_in(int *recorded, void *samples, int *wpos, int size);
/*! Called at the start of execution.
Loads or saves initial vmstate depending on execution mode. */
void replay_vmstate_init(void);
+/*! Called to ensure that replay state is consistent and VM snapshot
+ can be created */
+bool replay_can_snapshot(void);
#endif
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 356bfdc..2b42151 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -88,6 +88,8 @@ void qemu_system_guest_panicked(GuestPanicInformation *info);
void qemu_add_exit_notifier(Notifier *notify);
void qemu_remove_exit_notifier(Notifier *notify);
+extern bool machine_init_done;
+
void qemu_add_machine_init_done_notifier(Notifier *notify);
void qemu_remove_machine_init_done_notifier(Notifier *notify);