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typedef struct PCIDev PCIDev;
typedef struct PCICap PCICap;
typedef struct PCIBar PCIBar;
typedef struct Region Region;
extern int halt, irqactive;
enum {
BY2PG = 4096
};
#define RPC "pc"
#define RSP "sp"
#define RAX "ax"
#define RBX "bx"
#define RCX "cx"
#define RDX "dx"
enum {
MMIORD = 0,
MMIOWRP = 1,
MMIOWR = 2,
};
struct Region {
uintptr start, end;
enum { REGNO, REGMEM, REGFB } type;
char *segname;
uvlong segoff;
void *v, *ve;
Region *next;
};
extern Region *mmap;
#define BDF(b,d,f) ((b)<<16&0xff0000|(d)<<11&0xf800|(f)<<8&0x700)
struct PCIBar {
PCIDev *d;
u8int type;
u32int addr, length;
PCIBar *busnext, *busprev;
u32int (*io)(int, u16int, u32int, int, void *);
void *aux;
};
struct PCIDev {
u32int bdf, viddid, clrev, subid;
u16int ctrl;
u8int irqno, irqactive;
PCIBar bar[6];
PCIDev *next;
PCICap *cap;
u8int capalloc;
};
struct PCICap {
PCIDev *dev;
u8int length;
u8int addr;
u32int (*read)(PCICap *, u8int);
void (*write)(PCICap *, u8int, u32int, u32int);
PCICap *next;
};
enum {
IRQLTOGGLE = -1,
IRQLLOHI = -2,
};
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