xref: /openbmc/qemu/hw/net/i82596.h (revision ffe98631)
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