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IOC mediator: initialize IOC mediator

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IOC mediator main functionality is transfer data between native CBC char
devices and virtual UART, it is implemented as full virtualization, Guest
OS can reuse native CBC driver directly.

Signed-off-by: Liu Yuan <yuan1.liu@intel.com>
Reviewed-by: Wang Yu <yu1.wang@intel.com>
Reviewed-by: Liu Shuo <shuo.a.liu@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Liu Yuan
2018-04-10 19:14:38 +08:00
committed by Jack Ren
parent 45758be573
commit cfa6481bc9
3 changed files with 553 additions and 0 deletions
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51
devicemodel/include/ioc.h
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@@ -33,6 +33,11 @@
#define _IOC_H_
#include <stdint.h>
#include <pthread.h>
#include <sys/queue.h>
#include <sys/epoll.h>
/*
* Carrier Board Communication(CBC) frame definition
* +---+---------+-----------+---------------+---------+----------+---------+
@@ -661,4 +666,50 @@ struct cbc_pkt {
struct cbc_config *cfg; /* CBC and whitelist configurations */
enum cbc_queue_type qtype; /* Routes cbc_request to queue */
};
/*
* CBC simple queue head definition.
*/
SIMPLEQ_HEAD(cbc_qhead, cbc_request);
/*
* IOC device structure.
* IOC device is a virtual device and DM has virtual device data structure
* for virtual devices management in the further.
* So export the ioc_dev definition to the IOC header file.
*/
struct ioc_dev {
char name[16]; /* Core thread name */
int closing; /* Close IOC mediator device flag */
int epfd; /* Epoll fd */
struct epoll_event *evts; /* Epoll events table */
struct cbc_request *pool; /* CBC requests pool */
struct cbc_ring ring; /* Ring buffer */
pthread_t tid; /* Core thread id */
struct cbc_qhead free_qhead; /* Free queue head */
pthread_mutex_t free_mtx; /* Free queue mutex */
char rx_name[16]; /* Rx thread name */
struct cbc_qhead rx_qhead; /* Rx queue head */
struct cbc_config rx_config; /* Rx configuration */
pthread_t rx_tid;
pthread_cond_t rx_cond;
pthread_mutex_t rx_mtx;
void (*ioc_dev_rx)(struct cbc_pkt *pkt);
char tx_name[16]; /* Tx thread name */
struct cbc_qhead tx_qhead; /* Tx queue head */
struct cbc_config tx_config; /* Tx configuration */
pthread_t tx_tid;
pthread_cond_t tx_cond;
pthread_mutex_t tx_mtx;
void (*ioc_dev_tx)(struct cbc_pkt *pkt);
};
/* Parse IOC parameters */
int ioc_parse(const char *opts);
/* IOC mediator common ops */
struct ioc_dev *ioc_init(void);
void ioc_deinit(struct ioc_dev *dev);
#endif