Update git submodules - opnfvdocs - Documentation for OPNFV releases - Now on GitLab at https://gitlab.com/anuket/opnfvdocs

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author	Deepak S <deepak.s@linux.intel.com>	2017-08-14 12:14:16 +0530
committer	Gerrit Code Review <gerrit@opnfv.org>	2017-08-14 14:07:35 +0000
commit	71a5d692dc8e58c5daebe108aac285cc29d657af (patch)
tree	068a722a6f2ff72737c85afbdc5327ce3dc3326c /docs/submodules/samplevnf
parent	e54c3e745e1df9deb4f45825af95a4ead237b640 (diff)

Update git submodules

* Update docs/submodules/samplevnf from branch 'master' - Moving printf under cgnapt_dbg_print JIRA: SAMPLEVNF-71 Change-Id: Ibcd70008e1657eaa0b2f95aac319483490c290aa Signed-off-by: Deepak S <deepak.s@linux.intel.com>

Diffstat (limited to 'docs/submodules/samplevnf')

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docs/submodules/samplevnf

1 files changed, 0 insertions, 0 deletions

/* * QEMU live migration * * Copyright IBM, Corp. 2008 * * Authors: * Anthony Liguori <aliguori@us.ibm.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. * */ #ifndef QEMU_MIGRATION_H #define QEMU_MIGRATION_H #include "qapi/qmp/qdict.h" #include "qemu-common.h" #include "qemu/thread.h" #include "qemu/notify.h" #include "migration/vmstate.h" #include "qapi-types.h" #include "exec/cpu-common.h" #define QEMU_VM_FILE_MAGIC 0x5145564d #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002 #define QEMU_VM_FILE_VERSION 0x00000003 #define QEMU_VM_EOF 0x00 #define QEMU_VM_SECTION_START 0x01 #define QEMU_VM_SECTION_PART 0x02 #define QEMU_VM_SECTION_END 0x03 #define QEMU_VM_SECTION_FULL 0x04 #define QEMU_VM_SUBSECTION 0x05 #define QEMU_VM_VMDESCRIPTION 0x06 #define QEMU_VM_CONFIGURATION 0x07 #define QEMU_VM_COMMAND 0x08 #define QEMU_VM_SECTION_FOOTER 0x7e struct MigrationParams { bool blk; bool shared; }; /* Messages sent on the return path from destination to source */ enum mig_rp_message_type { MIG_RP_MSG_INVALID = 0, /* Must be 0 */ MIG_RP_MSG_SHUT, /* sibling will not send any more RP messages */ MIG_RP_MSG_PONG, /* Response to a PING; data (seq: be32 ) */ MIG_RP_MSG_REQ_PAGES_ID, /* data (start: be64, len: be32, id: string) */ MIG_RP_MSG_REQ_PAGES, /* data (start: be64, len: be32) */ MIG_RP_MSG_MAX }; typedef QLIST_HEAD(, LoadStateEntry) LoadStateEntry_Head; /* The current postcopy state is read/set by postcopy_state_get/set * which update it atomically. * The state is updated as postcopy messages are received, and * in general only one thread should be writing to the state at any one * time, initially the main thread and then the listen thread; * Corner cases are where either thread finishes early and/or errors. * The state is checked as messages are received to ensure that * the source is sending us messages in the correct order. * The state is also used by the RAM reception code to know if it * has to place pages atomically, and the cleanup code at the end of * the main thread to know if it has to delay cleanup until the end * of postcopy. */ typedef enum { POSTCOPY_INCOMING_NONE = 0, /* Initial state - no postcopy */ POSTCOPY_INCOMING_ADVISE, POSTCOPY_INCOMING_DISCARD, POSTCOPY_INCOMING_LISTENING, POSTCOPY_INCOMING_RUNNING, POSTCOPY_INCOMING_END } PostcopyState; /* State for the incoming migration */ struct MigrationIncomingState { QEMUFile *from_src_file; /* * Free at the start of the main state load, set as the main thread finishes * loading state. */ QemuEvent main_thread_load_event; bool have_fault_thread; QemuThread fault_thread; QemuSemaphore fault_thread_sem; bool have_listen_thread; QemuThread listen_thread; QemuSemaphore listen_thread_sem; /* For the kernel to send us notifications */ int userfault_fd; /* To tell the fault_thread to quit */ int userfault_quit_fd; QEMUFile *to_src_file; QemuMutex rp_mutex; /* We send replies from multiple threads */ void *postcopy_tmp_page; QEMUBH *bh; int state; /* See savevm.c */ LoadStateEntry_Head loadvm_handlers; }; MigrationIncomingState *migration_incoming_get_current(void); MigrationIncomingState *migration_incoming_state_new(QEMUFile *f); void migration_incoming_state_destroy(void); /* * An outstanding page request, on the source, having been received * and queued */ struct MigrationSrcPageRequest { RAMBlock *rb; hwaddr offset; hwaddr len; QSIMPLEQ_ENTRY(MigrationSrcPageRequest) next_req; }; struct MigrationState { int64_t bandwidth_limit; size_t bytes_xfer; size_t xfer_limit; QemuThread thread; QEMUBH *cleanup_bh; QEMUFile *to_dst_file; int parameters[MIGRATION_PARAMETER__MAX]; int state; MigrationParams params; /* State related to return path */ struct { QEMUFile *from_dst_file; QemuThread rp_thread; bool error; } rp_state; double mbps; int64_t total_time; int64_t downtime; int64_t expected_downtime; int64_t dirty_pages_rate; int64_t dirty_bytes_rate; bool enabled_capabilities[MIGRATION_CAPABILITY__MAX]; int64_t xbzrle_cache_size; int64_t setup_time; int64_t dirty_sync_count; /* Flag set once the migration has been asked to enter postcopy */ bool start_postcopy; /* Flag set after postcopy has sent the device state */ bool postcopy_after_devices; /* Flag set once the migration thread is running (and needs joining) */ bool migration_thread_running; /* Queue of outstanding page requests from the destination */ QemuMutex src_page_req_mutex; QSIMPLEQ_HEAD(src_page_requests, MigrationSrcPageRequest) src_page_requests; /* The RAMBlock used in the last src_page_request */ RAMBlock *last_req_rb; }; void migrate_set_state(int *state, int old_state, int new_state); void process_incoming_migration(QEMUFile *f); void qemu_start_incoming_migration(const char *uri, Error **errp); uint64_t migrate_max_downtime(void); void exec_start_incoming_migration(const char *host_port, Error **errp); void exec_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); void tcp_start_incoming_migration(const char *host_port, Error **errp); void tcp_start_outgoing_migration(MigrationState *s, const char *host_port, Error **errp); void unix_start_incoming_migration(const char *path, Error **errp); void unix_start_outgoing_migration(MigrationState *s, const char *path, Error **errp); void fd_start_incoming_migration(const char *path, Error **errp); void fd_start_outgoing_migration(MigrationState *s, const char *fdname, Error **errp); void rdma_start_outgoing_migration(void *opaque, const char *host_port, Error **errp); void rdma_start_incoming_migration(const char *host_port, Error **errp); void migrate_fd_error(MigrationState *s); void migrate_fd_connect(MigrationState *s); int migrate_fd_close(MigrationState *s); void add_migration_state_change_notifier(Notifier *notify); void remove_migration_state_change_notifier(Notifier *notify); MigrationState *migrate_init(const MigrationParams *params); bool migration_in_setup(MigrationState *); bool migration_has_finished(MigrationState *); bool migration_has_failed(MigrationState *); /* True if outgoing migration has entered postcopy phase */ bool migration_in_postcopy(MigrationState *); /* ...and after the device transmission */ bool migration_in_postcopy_after_devices(MigrationState *); MigrationState *migrate_get_current(void); void migrate_compress_threads_create(void); void migrate_compress_threads_join(void); void migrate_decompress_threads_create(void); void migrate_decompress_threads_join(void); uint64_t ram_bytes_remaining(void); uint64_t ram_bytes_transferred(void); uint64_t ram_bytes_total(void); void free_xbzrle_decoded_buf(void); void acct_update_position(QEMUFile *f, size_t size, bool zero); uint64_t dup_mig_bytes_transferred(void); uint64_t dup_mig_pages_transferred(void); uint64_t skipped_mig_bytes_transferred(void); uint64_t skipped_mig_pages_transferred(void); uint64_t norm_mig_bytes_transferred(void); uint64_t norm_mig_pages_transferred(void); uint64_t xbzrle_mig_bytes_transferred(void); uint64_t xbzrle_mig_pages_transferred(void); uint64_t xbzrle_mig_pages_overflow(void); uint64_t xbzrle_mig_pages_cache_miss(void); double xbzrle_mig_cache_miss_rate(void); void ram_handle_compressed(void *host, uint8_t ch, uint64_t size); void ram_debug_dump_bitmap(unsigned long *todump, bool expected); /* For outgoing discard bitmap */ int ram_postcopy_send_discard_bitmap(MigrationState *ms); /* For incoming postcopy discard */ int ram_discard_range(MigrationIncomingState *mis, const char *block_name, uint64_t start, size_t length); int ram_postcopy_incoming_init(MigrationIncomingState *mis); /** * @migrate_add_blocker - prevent migration from proceeding * * @reason - an error to be returned whenever migration is attempted */ void migrate_add_blocker(Error *reason); /** * @migrate_del_blocker - remove a blocking error from migration * * @reason - the error blocking migration */ void migrate_del_blocker(Error *reason); bool migrate_postcopy_ram(void); bool migrate_zero_blocks(void); bool migrate_auto_converge(void); int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen, uint8_t *dst, int dlen); int xbzrle_decode_buffer(uint8_t *src, int slen, uint8_t *dst, int dlen); int migrate_use_xbzrle(void); int64_t migrate_xbzrle_cache_size(void); int64_t xbzrle_cache_resize(int64_t new_size); bool migrate_use_compression(void); int migrate_compress_level(void); int migrate_compress_threads(void); int migrate_decompress_threads(void); bool migrate_use_events(void); /* Sending on the return path - generic and then for each message type */ void migrate_send_rp_message(MigrationIncomingState *mis, enum mig_rp_message_type message_type, uint16_t len, void *data); void migrate_send_rp_shut(MigrationIncomingState *mis, uint32_t value); void migrate_send_rp_pong(MigrationIncomingState *mis, uint32_t value); void migrate_send_rp_req_pages(MigrationIncomingState *mis, const char* rbname, ram_addr_t start, size_t len); void ram_control_before_iterate(QEMUFile *f, uint64_t flags); void ram_control_after_iterate(QEMUFile *f, uint64_t flags); void ram_control_load_hook(QEMUFile *f, uint64_t flags, void *data); /* Whenever this is found in the data stream, the flags * will be passed to ram_control_load_hook in the incoming-migration * side. This lets before_ram_iterate/after_ram_iterate add * transport-specific sections to the RAM migration data. */ #define RAM_SAVE_FLAG_HOOK 0x80 #define RAM_SAVE_CONTROL_NOT_SUPP -1000 #define RAM_SAVE_CONTROL_DELAYED -2000 size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset, ram_addr_t offset, size_t size, uint64_t *bytes_sent); void ram_mig_init(void); void savevm_skip_section_footers(void); void register_global_state(void); void global_state_set_optional(void); void savevm_skip_configuration(void); int global_state_store(void); void global_state_store_running(void); void flush_page_queue(MigrationState *ms); int ram_save_queue_pages(MigrationState *ms, const char *rbname, ram_addr_t start, ram_addr_t len); PostcopyState postcopy_state_get(void); /* Set the state and return the old state */ PostcopyState postcopy_state_set(PostcopyState new_state); #endif


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