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migration: Introduce migrate_send_rp_message_req_pages()

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This is another layer wrapper for sending a page request to the source VM.  The
new migrate_send_rp_message_req_pages() will be used elsewhere in coming
patches.

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20201021212721.440373-3-peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Peter Xu 2020-10-21 17:27:17 -04:00 committed by Dr. David Alan Gilbert
parent eef621c4e6
commit 7a267fc49b
2 changed files with 10 additions and 2 deletions
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10
migration/migration.c
View File

@ -316,8 +316,8 @@ error:
* Start: Address offset within the RB * Start: Address offset within the RB
* Len: Length in bytes required - must be a multiple of pagesize * Len: Length in bytes required - must be a multiple of pagesize
*/ */
int migrate_send_rp_req_pages(MigrationIncomingState *mis, RAMBlock *rb, int migrate_send_rp_message_req_pages(MigrationIncomingState *mis,
ram_addr_t start) RAMBlock *rb, ram_addr_t start)
{ {
uint8_t bufc[12 + 1 + 255]; /* start (8), len (4), rbname up to 256 */ uint8_t bufc[12 + 1 + 255]; /* start (8), len (4), rbname up to 256 */
size_t msglen = 12; /* start + len */ size_t msglen = 12; /* start + len */
@ -353,6 +353,12 @@ int migrate_send_rp_req_pages(MigrationIncomingState *mis, RAMBlock *rb,
return migrate_send_rp_message(mis, msg_type, msglen, bufc); return migrate_send_rp_message(mis, msg_type, msglen, bufc);
} }
int migrate_send_rp_req_pages(MigrationIncomingState *mis,
RAMBlock *rb, ram_addr_t start)
{
return migrate_send_rp_message_req_pages(mis, rb, start);
}
static bool migration_colo_enabled; static bool migration_colo_enabled;
bool migration_incoming_colo_enabled(void) bool migration_incoming_colo_enabled(void)
{ {

2
migration/migration.h
View File

@ -332,6 +332,8 @@ void migrate_send_rp_pong(MigrationIncomingState *mis,
uint32_t value); uint32_t value);
int migrate_send_rp_req_pages(MigrationIncomingState *mis, RAMBlock *rb, int migrate_send_rp_req_pages(MigrationIncomingState *mis, RAMBlock *rb,
ram_addr_t start); ram_addr_t start);
int migrate_send_rp_message_req_pages(MigrationIncomingState *mis,
RAMBlock *rb, ram_addr_t start);
void migrate_send_rp_recv_bitmap(MigrationIncomingState *mis, void migrate_send_rp_recv_bitmap(MigrationIncomingState *mis,
char *block_name); char *block_name);
void migrate_send_rp_resume_ack(MigrationIncomingState *mis, uint32_t value); void migrate_send_rp_resume_ack(MigrationIncomingState *mis, uint32_t value);