pcie-defs.h

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#ifndef PCIE_STRUCT_H
#define PCIE_STRUCT_H
 
#include <stdio.h>
#include <pthread.h>
#include <stdint.h>
#include <sys/types.h>
 
enum bar_lock {
    BAR2,
    BAR4,
    NUM_LOCKS,
};
 
struct pcie_bars {
    volatile void *bar0;
    volatile void *bar2;
    volatile void *bar4;
 
    size_t sizes[3];
 
    /* private fields */
    uint32_t last_bar4_page; /* protected by locks[BAR4] */
 
    /* we only need locking for bar2 and bar4, since they are paged.
     * these mutexes MUST be initialized as recursive */
    pthread_mutex_t locks[NUM_LOCKS];
 
    FILE *fserport;
};
 
#endif