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13#include "qemu/osdep.h"
14#include "qapi/error.h"
15#include "qemu/timer.h"
16#include "hw/sysbus.h"
17#include "net/eth.h"
18#include "hw/net/lasi_82596.h"
19#include "hw/net/i82596.h"
20#include "trace.h"
21#include "hw/qdev-properties.h"
22#include "migration/vmstate.h"
23
24#define PA_I82596_RESET 0
25#define PA_CPU_PORT_L_ACCESS 4
26#define PA_CHANNEL_ATTENTION 8
27#define PA_GET_MACADDR 12
28
29#define SWAP32(x) (((uint32_t)(x) << 16) | ((((uint32_t)(x))) >> 16))
30
31static void lasi_82596_mem_write(void *opaque, hwaddr addr,
32 uint64_t val, unsigned size)
33{
34 SysBusI82596State *d = opaque;
35
36 trace_lasi_82596_mem_writew(addr, val);
37 switch (addr) {
38 case PA_I82596_RESET:
39 i82596_h_reset(&d->state);
40 break;
41 case PA_CPU_PORT_L_ACCESS:
42 d->val_index++;
43 if (d->val_index == 0) {
44 uint32_t v = d->last_val | (val << 16);
45 v = v & ~0xff;
46 i82596_ioport_writew(&d->state, d->last_val & 0xff, v);
47 }
48 d->last_val = val;
49 break;
50 case PA_CHANNEL_ATTENTION:
51 i82596_ioport_writew(&d->state, PORT_CA, val);
52 break;
53 case PA_GET_MACADDR:
54
55
56
57
58 address_space_write(&address_space_memory, val,
59 MEMTXATTRS_UNSPECIFIED, d->state.conf.macaddr.a,
60 ETH_ALEN);
61 break;
62 }
63}
64
65static uint64_t lasi_82596_mem_read(void *opaque, hwaddr addr,
66 unsigned size)
67{
68 SysBusI82596State *d = opaque;
69 uint32_t val;
70
71 if (addr == PA_GET_MACADDR) {
72 val = 0xBEEFBABE;
73 } else {
74 val = i82596_ioport_readw(&d->state, addr);
75 }
76 trace_lasi_82596_mem_readw(addr, val);
77 return val;
78}
79
80static const MemoryRegionOps lasi_82596_mem_ops = {
81 .read = lasi_82596_mem_read,
82 .write = lasi_82596_mem_write,
83 .endianness = DEVICE_BIG_ENDIAN,
84 .valid = {
85 .min_access_size = 4,
86 .max_access_size = 4,
87 },
88};
89
90static NetClientInfo net_lasi_82596_info = {
91 .type = NET_CLIENT_DRIVER_NIC,
92 .size = sizeof(NICState),
93 .can_receive = i82596_can_receive,
94 .receive = i82596_receive,
95 .link_status_changed = i82596_set_link_status,
96};
97
98static const VMStateDescription vmstate_lasi_82596 = {
99 .name = "i82596",
100 .version_id = 1,
101 .minimum_version_id = 1,
102 .fields = (VMStateField[]) {
103 VMSTATE_STRUCT(state, SysBusI82596State, 0, vmstate_i82596,
104 I82596State),
105 VMSTATE_END_OF_LIST()
106 }
107};
108
109static void lasi_82596_realize(DeviceState *dev, Error **errp)
110{
111 SysBusI82596State *d = SYSBUS_I82596(dev);
112 I82596State *s = &d->state;
113
114 memory_region_init_io(&s->mmio, OBJECT(d), &lasi_82596_mem_ops, d,
115 "lasi_82596-mmio", PA_GET_MACADDR + 4);
116
117 i82596_common_init(dev, s, &net_lasi_82596_info);
118}
119
120SysBusI82596State *lasi_82596_init(MemoryRegion *addr_space,
121 hwaddr hpa, qemu_irq lan_irq)
122{
123 DeviceState *dev;
124 SysBusI82596State *s;
125 static const MACAddr HP_MAC = {
126 .a = { 0x08, 0x00, 0x09, 0xef, 0x34, 0xf6 } };
127
128 qemu_check_nic_model(&nd_table[0], TYPE_LASI_82596);
129 dev = qdev_new(TYPE_LASI_82596);
130 s = SYSBUS_I82596(dev);
131 s->state.irq = lan_irq;
132 qdev_set_nic_properties(dev, &nd_table[0]);
133 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
134 s->state.conf.macaddr = HP_MAC;
135
136
137 memory_region_add_subregion(addr_space, hpa, &s->state.mmio);
138 return s;
139}
140
141static void lasi_82596_reset(DeviceState *dev)
142{
143 SysBusI82596State *d = SYSBUS_I82596(dev);
144
145 i82596_h_reset(&d->state);
146}
147
148static void lasi_82596_instance_init(Object *obj)
149{
150 SysBusI82596State *d = SYSBUS_I82596(obj);
151 I82596State *s = &d->state;
152
153 device_add_bootindex_property(obj, &s->conf.bootindex,
154 "bootindex", "/ethernet-phy@0",
155 DEVICE(obj));
156}
157
158static Property lasi_82596_properties[] = {
159 DEFINE_NIC_PROPERTIES(SysBusI82596State, state.conf),
160 DEFINE_PROP_END_OF_LIST(),
161};
162
163static void lasi_82596_class_init(ObjectClass *klass, void *data)
164{
165 DeviceClass *dc = DEVICE_CLASS(klass);
166
167 dc->realize = lasi_82596_realize;
168 set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
169 dc->fw_name = "ethernet";
170 dc->reset = lasi_82596_reset;
171 dc->vmsd = &vmstate_lasi_82596;
172 dc->user_creatable = false;
173 device_class_set_props(dc, lasi_82596_properties);
174}
175
176static const TypeInfo lasi_82596_info = {
177 .name = TYPE_LASI_82596,
178 .parent = TYPE_SYS_BUS_DEVICE,
179 .instance_size = sizeof(SysBusI82596State),
180 .class_init = lasi_82596_class_init,
181 .instance_init = lasi_82596_instance_init,
182};
183
184static void lasi_82596_register_types(void)
185{
186 type_register_static(&lasi_82596_info);
187}
188
189type_init(lasi_82596_register_types)
190
