xref: /qemu/hw/net/i82596.h (revision f64766976d39fbf2b81a25b5c5f043180383d408)
1  #ifndef HW_I82596_H
2  #define HW_I82596_H
3  
4  #define I82596_IOPORT_SIZE       0x20
5  
6  #include "exec/memory.h"
7  #include "exec/address-spaces.h"
8  
9  #define PORT_RESET              0x00    /* reset 82596 */
10  #define PORT_SELFTEST           0x01    /* selftest */
11  #define PORT_ALTSCP             0x02    /* alternate SCB address */
12  #define PORT_ALTDUMP            0x03    /* Alternate DUMP address */
13  #define PORT_CA                 0x10    /* QEMU-internal CA signal */
14  
15  typedef struct I82596State_st I82596State;
16  
17  struct I82596State_st {
18      MemoryRegion mmio;
19      MemoryRegion *as;
20      qemu_irq irq;
21      NICState *nic;
22      NICConf conf;
23      QEMUTimer *flush_queue_timer;
24  
25      hwaddr scp;         /* pointer to SCP */
26      uint8_t sysbus;
27      uint32_t scb;       /* SCB */
28      uint16_t scb_status;
29      uint8_t cu_status, rx_status;
30      uint16_t lnkst;
31  
32      uint32_t cmd_p;     /* addr of current command */
33      int ca;
34      int ca_active;
35      int send_irq;
36  
37      /* Hash register (multicast mask array, multiple individual addresses). */
38      uint8_t mult[8];
39      uint8_t config[14]; /* config bytes from CONFIGURE command */
40  
41      uint8_t tx_buffer[0x4000];
42  };
43  
44  void i82596_h_reset(void *opaque);
45  void i82596_ioport_writew(void *opaque, uint32_t addr, uint32_t val);
46  uint32_t i82596_ioport_readw(void *opaque, uint32_t addr);
47  void i82596_ioport_writel(void *opaque, uint32_t addr, uint32_t val);
48  uint32_t i82596_ioport_readl(void *opaque, uint32_t addr);
49  uint32_t i82596_bcr_readw(I82596State *s, uint32_t rap);
50  ssize_t i82596_receive(NetClientState *nc, const uint8_t *buf, size_t size_);
51  bool i82596_can_receive(NetClientState *nc);
52  void i82596_set_link_status(NetClientState *nc);
53  void i82596_common_init(DeviceState *dev, I82596State *s, NetClientInfo *info);
54  extern const VMStateDescription vmstate_i82596;
55  #endif
56