a40f1c2add
Two new functions are added; the first one checks a given range in the image file for overlaps with metadata (main header, L1 tables, L2 tables, refcount table and blocks). The second one should be used immediately before writing to the image file as it calls the first function and, upon collision, marks the image as corrupt and makes the BDS unusable, thereby preventing further access. Both functions take a bitmask argument specifying the structures which should be checked for overlaps, making it possible to also check metadata writes against colliding with other structures. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
#ifndef MONITOR_H
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#define MONITOR_H
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#include "qemu-common.h"
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#include "qapi/qmp/qerror.h"
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#include "qapi/qmp/qdict.h"
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#include "block/block.h"
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#include "monitor/readline.h"
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extern Monitor *cur_mon;
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extern Monitor *default_mon;
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/* flags for monitor_init */
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#define MONITOR_IS_DEFAULT 0x01
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#define MONITOR_USE_READLINE 0x02
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#define MONITOR_USE_CONTROL 0x04
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#define MONITOR_USE_PRETTY 0x08
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/* flags for monitor commands */
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#define MONITOR_CMD_ASYNC 0x0001
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/* QMP events */
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typedef enum MonitorEvent {
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QEVENT_SHUTDOWN,
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QEVENT_RESET,
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QEVENT_POWERDOWN,
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QEVENT_STOP,
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QEVENT_RESUME,
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QEVENT_VNC_CONNECTED,
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QEVENT_VNC_INITIALIZED,
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QEVENT_VNC_DISCONNECTED,
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QEVENT_BLOCK_IO_ERROR,
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QEVENT_RTC_CHANGE,
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QEVENT_WATCHDOG,
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QEVENT_SPICE_CONNECTED,
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QEVENT_SPICE_INITIALIZED,
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QEVENT_SPICE_DISCONNECTED,
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QEVENT_BLOCK_JOB_COMPLETED,
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QEVENT_BLOCK_JOB_CANCELLED,
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QEVENT_BLOCK_JOB_ERROR,
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QEVENT_BLOCK_JOB_READY,
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QEVENT_DEVICE_DELETED,
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QEVENT_DEVICE_TRAY_MOVED,
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QEVENT_NIC_RX_FILTER_CHANGED,
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QEVENT_SUSPEND,
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QEVENT_SUSPEND_DISK,
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QEVENT_WAKEUP,
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QEVENT_BALLOON_CHANGE,
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QEVENT_SPICE_MIGRATE_COMPLETED,
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QEVENT_GUEST_PANICKED,
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QEVENT_BLOCK_IMAGE_CORRUPTED,
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/* Add to 'monitor_event_names' array in monitor.c when
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* defining new events here */
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QEVENT_MAX,
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} MonitorEvent;
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int monitor_cur_is_qmp(void);
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void monitor_protocol_event(MonitorEvent event, QObject *data);
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void monitor_init(CharDriverState *chr, int flags);
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int monitor_suspend(Monitor *mon);
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void monitor_resume(Monitor *mon);
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int monitor_read_bdrv_key_start(Monitor *mon, BlockDriverState *bs,
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BlockDriverCompletionFunc *completion_cb,
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void *opaque);
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int monitor_read_block_device_key(Monitor *mon, const char *device,
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BlockDriverCompletionFunc *completion_cb,
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void *opaque);
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int monitor_get_fd(Monitor *mon, const char *fdname, Error **errp);
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int monitor_handle_fd_param(Monitor *mon, const char *fdname);
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void monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
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GCC_FMT_ATTR(2, 0);
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void monitor_printf(Monitor *mon, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
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void monitor_print_filename(Monitor *mon, const char *filename);
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void monitor_flush(Monitor *mon);
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int monitor_set_cpu(int cpu_index);
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int monitor_get_cpu_index(void);
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typedef void (MonitorCompletion)(void *opaque, QObject *ret_data);
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void monitor_set_error(Monitor *mon, QError *qerror);
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void monitor_read_command(Monitor *mon, int show_prompt);
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ReadLineState *monitor_get_rs(Monitor *mon);
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int monitor_read_password(Monitor *mon, ReadLineFunc *readline_func,
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void *opaque);
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int qmp_qom_set(Monitor *mon, const QDict *qdict, QObject **ret);
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int qmp_qom_get(Monitor *mon, const QDict *qdict, QObject **ret);
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AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id,
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bool has_opaque, const char *opaque,
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Error **errp);
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int monitor_fdset_get_fd(int64_t fdset_id, int flags);
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int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd);
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int monitor_fdset_dup_fd_remove(int dup_fd);
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int monitor_fdset_dup_fd_find(int dup_fd);
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#endif /* !MONITOR_H */
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