qemu/include/sysemu/sysemu.h

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#ifndef SYSEMU_H
#define SYSEMU_H
/* Misc. things related to the system emulator. */
#include "qemu/typedefs.h"
#include "qemu/option.h"
#include "qemu/queue.h"
#include "qemu/timer.h"
#include "qapi-types.h"
#include "qemu/notify.h"
#include "qemu/main-loop.h"
#include "qemu/bitmap.h"
#include "qom/object.h"
/* vl.c */
extern const char *bios_name;
extern const char *qemu_name;
extern uint8_t qemu_uuid[];
extern bool qemu_uuid_set;
int qemu_uuid_parse(const char *str, uint8_t *uuid);
#define UUID_FMT "%02hhx%02hhx%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx-%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx"
#define UUID_NONE "00000000-0000-0000-0000-000000000000"
bool runstate_check(RunState state);
void runstate_set(RunState new_state);
int runstate_is_running(void);
bool runstate_needs_reset(void);
bool runstate_store(char *str, size_t size);
typedef struct vm_change_state_entry VMChangeStateEntry;
typedef void VMChangeStateHandler(void *opaque, int running, RunState state);
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
void *opaque);
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e);
void vm_state_notify(int running, RunState state);
#define VMRESET_SILENT false
#define VMRESET_REPORT true
void vm_start(void);
int vm_stop(RunState state);
int vm_stop_force_state(RunState state);
typedef enum WakeupReason {
/* Always keep QEMU_WAKEUP_REASON_NONE = 0 */
QEMU_WAKEUP_REASON_NONE = 0,
QEMU_WAKEUP_REASON_RTC,
QEMU_WAKEUP_REASON_PMTIMER,
QEMU_WAKEUP_REASON_OTHER,
} WakeupReason;
void qemu_system_reset_request(void);
void qemu_system_suspend_request(void);
void qemu_register_suspend_notifier(Notifier *notifier);
void qemu_system_wakeup_request(WakeupReason reason);
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled);
void qemu_register_wakeup_notifier(Notifier *notifier);
void qemu_system_shutdown_request(void);
void qemu_system_powerdown_request(void);
void qemu_register_powerdown_notifier(Notifier *notifier);
void qemu_system_debug_request(void);
void qemu_system_vmstop_request(RunState reason);
void qemu_system_vmstop_request_prepare(void);
int qemu_shutdown_requested_get(void);
int qemu_reset_requested_get(void);
void qemu_system_killed(int signal, pid_t pid);
Allow QEMUMachine to override reset sequencing qemu_system_reset() function always performs the same basic actions on all machines. This includes running all the reset handler hooks, however the order in which these will run is not always easily predictable. This patch splits the core of qemu_system_reset() - the invocation of the reset handlers - out into a new qemu_devices_reset() function. qemu_system_reset() will usually call qemu_devices_reset(), but that can be now overriden by a new reset method in the QEMUMachine structure. Individual machines can use this reset method, if necessary, to perform any extra, machine specific initializations which have to occur before or after the bulk of the reset handlers. It's expected that the method will call qemu_devices_reset() at some point, but if the machine has really strange ordering requirements between devices resets it could even override that with it's own reset sequence (with great care, obviously). For a specific example of when this might be needed: a number of machines (but not PC) load images specified with -kernel or -initrd directly into the machine RAM before booting the guest. This mostly works at the moment, but to make this actually safe requires that this load occurs after peripheral devices are reset - otherwise they could have active DMAs in progress which would clobber the in memory images. Some machines (notably pseries) also have other entry conditions which need to be set up as the last thing before executing in guest space - some of this could be considered "emulated firmware" in the sense that the actions of the firmware are emulated directly by qemu rather than by executing a firmware image within the guest. When the platform's firmware to OS interface is sufficiently well specified, this saves time both in implementing the "firmware" and executing it. aliguori: don't unconditionally dereference current_machine Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-08-07 10:41:51 +04:00
void qemu_devices_reset(void);
void qemu_system_reset(bool report);
void qemu_system_guest_panicked(void);
size_t qemu_target_page_bits(void);
void qemu_add_exit_notifier(Notifier *notify);
void qemu_remove_exit_notifier(Notifier *notify);
void qemu_add_machine_init_done_notifier(Notifier *notify);
void hmp_savevm(Monitor *mon, const QDict *qdict);
int load_vmstate(const char *name);
void hmp_delvm(Monitor *mon, const QDict *qdict);
void hmp_info_snapshots(Monitor *mon, const QDict *qdict);
void qemu_announce_self(void);
/* Subcommands for QEMU_VM_COMMAND */
enum qemu_vm_cmd {
MIG_CMD_INVALID = 0, /* Must be 0 */
MIG_CMD_OPEN_RETURN_PATH, /* Tell the dest to open the Return path */
MIG_CMD_PING, /* Request a PONG on the RP */
MIG_CMD_POSTCOPY_ADVISE, /* Prior to any page transfers, just
warn we might want to do PC */
MIG_CMD_POSTCOPY_LISTEN, /* Start listening for incoming
pages as it's running. */
MIG_CMD_POSTCOPY_RUN, /* Start execution */
MIG_CMD_POSTCOPY_RAM_DISCARD, /* A list of pages to discard that
were previously sent during
precopy but are dirty. */
MIG_CMD_PACKAGED, /* Send a wrapped stream within this stream */
MIG_CMD_MAX
};
#define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24)
bool qemu_savevm_state_blocked(Error **errp);
void qemu_savevm_state_begin(QEMUFile *f,
const MigrationParams *params);
void qemu_savevm_state_header(QEMUFile *f);
int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
void qemu_savevm_state_cleanup(void);
void qemu_savevm_state_complete_postcopy(QEMUFile *f);
void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only);
void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
uint64_t *res_non_postcopiable,
uint64_t *res_postcopiable);
void qemu_savevm_command_send(QEMUFile *f, enum qemu_vm_cmd command,
uint16_t len, uint8_t *data);
void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
void qemu_savevm_send_open_return_path(QEMUFile *f);
int qemu_savevm_send_packaged(QEMUFile *f, const QEMUSizedBuffer *qsb);
void qemu_savevm_send_postcopy_advise(QEMUFile *f);
void qemu_savevm_send_postcopy_listen(QEMUFile *f);
void qemu_savevm_send_postcopy_run(QEMUFile *f);
void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name,
uint16_t len,
uint64_t *start_list,
uint64_t *length_list);
int qemu_loadvm_state(QEMUFile *f);
typedef enum DisplayType
{
DT_DEFAULT,
DT_CURSES,
DT_SDL,
DT_GTK,
DT_NOGRAPHIC,
DT_NONE,
} DisplayType;
extern int autostart;
typedef enum {
VGA_NONE, VGA_STD, VGA_CIRRUS, VGA_VMWARE, VGA_XENFB, VGA_QXL,
VGA_TCX, VGA_CG3, VGA_DEVICE, VGA_VIRTIO,
} VGAInterfaceType;
extern int vga_interface_type;
#define xenfb_enabled (vga_interface_type == VGA_XENFB)
extern int graphic_width;
extern int graphic_height;
extern int graphic_depth;
extern DisplayType display_type;
extern int display_opengl;
extern const char *keyboard_layout;
extern int win2k_install_hack;
extern int alt_grab;
extern int ctrl_grab;
extern int smp_cpus;
extern int max_cpus;
extern int cursor_hide;
extern int graphic_rotate;
extern int no_quit;
extern int no_shutdown;
extern int old_param;
extern int boot_menu;
extern bool boot_strict;
extern uint8_t *boot_splash_filedata;
extern size_t boot_splash_filedata_size;
extern bool enable_mlock;
extern uint8_t qemu_extra_params_fw[2];
extern QEMUClockType rtc_clock;
extern const char *mem_path;
extern int mem_prealloc;
#define MAX_NODES 128
#define NUMA_NODE_UNASSIGNED MAX_NODES
/* The following shall be true for all CPUs:
* cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS
*
* Note that cpu->get_arch_id() may be larger than MAX_CPUMASK_BITS.
*/
Fixes related to processing of qemu's -numa option The -numa option to qemu is used to create [fake] numa nodes and expose them to the guest OS instance. There are a couple of issues with the -numa option: a) Max VCPU's that can be specified for a guest while using the qemu's -numa option is 64. Due to a typecasting issue when the number of VCPUs is > 32 the VCPUs don't show up under the specified [fake] numa nodes. b) KVM currently has support for 160VCPUs per guest. The qemu's -numa option has only support for upto 64VCPUs per guest. This patch addresses these two issues. Below are examples of (a) and (b) a) >32 VCPUs are specified with the -numa option: /usr/local/bin/qemu-system-x86_64 \ -enable-kvm \ 71:01:01 \ -net tap,ifname=tap0,script=no,downscript=no \ -vnc :4 ... Upstream qemu : -------------- QEMU 1.1.50 monitor - type 'help' for more information (qemu) info numa 6 nodes node 0 cpus: 0 1 2 3 4 5 6 7 8 9 32 33 34 35 36 37 38 39 40 41 node 0 size: 131072 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 42 43 44 45 46 47 48 49 50 51 node 1 size: 131072 MB node 2 cpus: 20 21 22 23 24 25 26 27 28 29 52 53 54 55 56 57 58 59 node 2 size: 131072 MB node 3 cpus: 30 node 3 size: 131072 MB node 4 cpus: node 4 size: 131072 MB node 5 cpus: 31 node 5 size: 131072 MB With the patch applied : ----------------------- QEMU 1.1.50 monitor - type 'help' for more information (qemu) info numa 6 nodes node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 131072 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1 size: 131072 MB node 2 cpus: 20 21 22 23 24 25 26 27 28 29 node 2 size: 131072 MB node 3 cpus: 30 31 32 33 34 35 36 37 38 39 node 3 size: 131072 MB node 4 cpus: 40 41 42 43 44 45 46 47 48 49 node 4 size: 131072 MB node 5 cpus: 50 51 52 53 54 55 56 57 58 59 node 5 size: 131072 MB b) >64 VCPUs specified with -numa option: /usr/local/bin/qemu-system-x86_64 \ -enable-kvm \ -cpu Westmere,+rdtscp,+pdpe1gb,+dca,+pdcm,+xtpr,+tm2,+est,+smx,+vmx,+ds_cpl,+monitor,+dtes64,+pclmuldq,+pbe,+tm,+ht,+ss,+acpi,+d-vnc :4 ... Upstream qemu : -------------- only 63 CPUs in NUMA mode supported. only 64 CPUs in NUMA mode supported. QEMU 1.1.50 monitor - type 'help' for more information (qemu) info numa 8 nodes node 0 cpus: 6 7 8 9 38 39 40 41 70 71 72 73 node 0 size: 65536 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 42 43 44 45 46 47 48 49 50 51 74 75 76 77 78 79 node 1 size: 65536 MB node 2 cpus: 20 21 22 23 24 25 26 27 28 29 52 53 54 55 56 57 58 59 60 61 node 2 size: 65536 MB node 3 cpus: 30 62 node 3 size: 65536 MB node 4 cpus: node 4 size: 65536 MB node 5 cpus: node 5 size: 65536 MB node 6 cpus: 31 63 node 6 size: 65536 MB node 7 cpus: 0 1 2 3 4 5 32 33 34 35 36 37 64 65 66 67 68 69 node 7 size: 65536 MB With the patch applied : ----------------------- QEMU 1.1.50 monitor - type 'help' for more information (qemu) info numa 8 nodes node 0 cpus: 0 1 2 3 4 5 6 7 8 9 node 0 size: 65536 MB node 1 cpus: 10 11 12 13 14 15 16 17 18 19 node 1 size: 65536 MB node 2 cpus: 20 21 22 23 24 25 26 27 28 29 node 2 size: 65536 MB node 3 cpus: 30 31 32 33 34 35 36 37 38 39 node 3 size: 65536 MB node 4 cpus: 40 41 42 43 44 45 46 47 48 49 node 4 size: 65536 MB node 5 cpus: 50 51 52 53 54 55 56 57 58 59 node 5 size: 65536 MB node 6 cpus: 60 61 62 63 64 65 66 67 68 69 node 6 size: 65536 MB node 7 cpus: 70 71 72 73 74 75 76 77 78 79 Signed-off-by: Chegu Vinod <chegu_vinod@hp.com>, Jim Hull <jim.hull@hp.com>, Craig Hada <craig.hada@hp.com> Tested-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-07-17 08:31:30 +04:00
#define MAX_CPUMASK_BITS 255
#define MAX_OPTION_ROMS 16
typedef struct QEMUOptionRom {
const char *name;
int32_t bootindex;
} QEMUOptionRom;
extern QEMUOptionRom option_rom[MAX_OPTION_ROMS];
extern int nb_option_roms;
#define MAX_PROM_ENVS 128
extern const char *prom_envs[MAX_PROM_ENVS];
extern unsigned int nb_prom_envs;
/* generic hotplug */
void hmp_drive_add(Monitor *mon, const QDict *qdict);
/* pcie aer error injection */
void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict);
/* serial ports */
#define MAX_SERIAL_PORTS 4
extern CharDriverState *serial_hds[MAX_SERIAL_PORTS];
/* parallel ports */
#define MAX_PARALLEL_PORTS 3
extern CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
void hmp_usb_add(Monitor *mon, const QDict *qdict);
void hmp_usb_del(Monitor *mon, const QDict *qdict);
void hmp_info_usb(Monitor *mon, const QDict *qdict);
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
const char *suffix);
char *get_boot_devices_list(size_t *size, bool ignore_suffixes);
DeviceState *get_boot_device(uint32_t position);
void check_boot_index(int32_t bootindex, Error **errp);
void del_boot_device_path(DeviceState *dev, const char *suffix);
void device_add_bootindex_property(Object *obj, int32_t *bootindex,
const char *name, const char *suffix,
DeviceState *dev, Error **errp);
void restore_boot_order(void *opaque);
void validate_bootdevices(const char *devices, Error **errp);
/* handler to set the boot_device order for a specific type of MachineClass */
typedef void QEMUBootSetHandler(void *opaque, const char *boot_order,
Error **errp);
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque);
void qemu_boot_set(const char *boot_order, Error **errp);
QemuOpts *qemu_get_machine_opts(void);
bool defaults_enabled(void);
bool usb_enabled(void);
extern QemuOptsList qemu_legacy_drive_opts;
extern QemuOptsList qemu_common_drive_opts;
extern QemuOptsList qemu_drive_opts;
extern QemuOptsList qemu_chardev_opts;
extern QemuOptsList qemu_device_opts;
extern QemuOptsList qemu_netdev_opts;
extern QemuOptsList qemu_net_opts;
extern QemuOptsList qemu_global_opts;
extern QemuOptsList qemu_mon_opts;
#endif