--- /dev/null
+/*
+ * QEMU AMD PC-Net II (Am79C970A) emulation
+ *
+ * Copyright (c) 2004 Antony T Curtis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/* This software was written to be compatible with the specification:
+ * AMD Am79C970A PCnet-PCI II Ethernet Controller Data-Sheet
+ * AMD Publication# 19436 Rev:E Amendment/0 Issue Date: June 2000
+ */
+
+/*
+ * On Sparc32, this is the Lance (Am7990) part of chip STP2000 (Master I/O), also
+ * produced as NCR89C100. See
+ * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR89C100.txt
+ * and
+ * http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR92C990.txt
+ */
+
+#include "hw/sysbus.h"
+#include "net/net.h"
+#include "qemu/timer.h"
+#include "qemu/sockets.h"
+#include "hw/sparc/sun4m.h"
+#include "pcnet.h"
+#include "trace.h"
+#include "sysemu/sysemu.h"
+
+#define TYPE_LANCE "lance"
+#define SYSBUS_PCNET(obj) \
+ OBJECT_CHECK(SysBusPCNetState, (obj), TYPE_LANCE)
+
+typedef struct {
+ SysBusDevice parent_obj;
+
+ PCNetState state;
+} SysBusPCNetState;
+
+static void parent_lance_reset(void *opaque, int irq, int level)
+{
+ SysBusPCNetState *d = opaque;
+ if (level)
+ pcnet_h_reset(&d->state);
+}
+
+static void lance_mem_write(void *opaque, hwaddr addr,
+ uint64_t val, unsigned size)
+{
+ SysBusPCNetState *d = opaque;
+
+ trace_lance_mem_writew(addr, val & 0xffff);
+ pcnet_ioport_writew(&d->state, addr, val & 0xffff);
+}
+
+static uint64_t lance_mem_read(void *opaque, hwaddr addr,
+ unsigned size)
+{
+ SysBusPCNetState *d = opaque;
+ uint32_t val;
+
+ val = pcnet_ioport_readw(&d->state, addr);
+ trace_lance_mem_readw(addr, val & 0xffff);
+ return val & 0xffff;
+}
+
+static const MemoryRegionOps lance_mem_ops = {
+ .read = lance_mem_read,
+ .write = lance_mem_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
+ .valid = {
+ .min_access_size = 2,
+ .max_access_size = 2,
+ },
+};
+
+static NetClientInfo net_lance_info = {
+ .type = NET_CLIENT_OPTIONS_KIND_NIC,
+ .size = sizeof(NICState),
+ .receive = pcnet_receive,
+ .link_status_changed = pcnet_set_link_status,
+};
+
+static const VMStateDescription vmstate_lance = {
+ .name = "pcnet",
+ .version_id = 3,
+ .minimum_version_id = 2,
+ .fields = (VMStateField[]) {
+ VMSTATE_STRUCT(state, SysBusPCNetState, 0, vmstate_pcnet, PCNetState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int lance_init(SysBusDevice *sbd)
+{
+ DeviceState *dev = DEVICE(sbd);
+ SysBusPCNetState *d = SYSBUS_PCNET(dev);
+ PCNetState *s = &d->state;
+
+ memory_region_init_io(&s->mmio, OBJECT(d), &lance_mem_ops, d,
+ "lance-mmio", 4);
+
+ qdev_init_gpio_in(dev, parent_lance_reset, 1);
+
+ sysbus_init_mmio(sbd, &s->mmio);
+
+ sysbus_init_irq(sbd, &s->irq);
+
+ s->phys_mem_read = ledma_memory_read;
+ s->phys_mem_write = ledma_memory_write;
+ pcnet_common_init(dev, s, &net_lance_info);
+ return 0;
+}
+
+static void lance_reset(DeviceState *dev)
+{
+ SysBusPCNetState *d = SYSBUS_PCNET(dev);
+
+ pcnet_h_reset(&d->state);
+}
+
+static void lance_instance_init(Object *obj)
+{
+ SysBusPCNetState *d = SYSBUS_PCNET(obj);
+ PCNetState *s = &d->state;
+
+ device_add_bootindex_property(obj, &s->conf.bootindex,
+ "bootindex", "/ethernet-phy@0",
+ DEVICE(obj), NULL);
+}
+
+static Property lance_properties[] = {
+ DEFINE_PROP_PTR("dma", SysBusPCNetState, state.dma_opaque),
+ DEFINE_NIC_PROPERTIES(SysBusPCNetState, state.conf),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void lance_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+ k->init = lance_init;
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
+ dc->fw_name = "ethernet";
+ dc->reset = lance_reset;
+ dc->vmsd = &vmstate_lance;
+ dc->props = lance_properties;
+ /* Reason: pointer property "dma" */
+ dc->cannot_instantiate_with_device_add_yet = true;
+}
+
+static const TypeInfo lance_info = {
+ .name = TYPE_LANCE,
+ .parent = TYPE_SYS_BUS_DEVICE,
+ .instance_size = sizeof(SysBusPCNetState),
+ .class_init = lance_class_init,
+ .instance_init = lance_instance_init,
+};
+
+static void lance_register_types(void)
+{
+ type_register_static(&lance_info);
+}
+
+type_init(lance_register_types)
Code Review / kvmfornfv.git / blobdiff