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migration_protocol: add migration data for char devices

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This commit is contained in:
Yonit Halperin 2012-08-02 22:23:04 +03:00
parent 8875e1da45
commit 1d2b071d15
1 changed files with 20 additions and 0 deletions
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20
server/migration_protocol.h
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@ -31,6 +31,26 @@ typedef struct __attribute__ ((__packed__)) SpiceMigrateDataHeader {
uint32_t version;
} SpiceMigrateDataHeader;
/* ********************
* Char device base
* *******************/
/* increase the version of descendent char devices when this
* version is increased */
#define SPICE_MIGRATE_DATA_CHAR_DEVICE_VERSION 1
/* Should be the first field of any of the char_devices migration data (see write_data_ptr) */
typedef struct __attribute__ ((__packed__)) SpiceMigrateDataCharDevice {
uint32_t version;
uint8_t connected;
uint32_t num_client_tokens;
uint32_t num_send_tokens;
uint32_t write_size; /* write to dev */
uint32_t write_num_client_tokens; /* how many messages from the client are part of the write_data */
uint32_t write_data_ptr; /* offset from
SpiceMigrateDataCharDevice - sizeof(SpiceMigrateDataHeader) */
} SpiceMigrateDataCharDevice;
static inline int migration_protocol_validate_header(SpiceMigrateDataHeader *header,
uint32_t magic,
uint32_t version)