Merge "Adding qemu as a submodule of KVMFORNFV"

1 files changed, 0 insertions, 287 deletions

diff --git a/qemu/hw/net/mipsnet.c b/qemu/hw/net/mipsnet.c
deleted file mode 100644
index 740cd98ff..000000000
--- a/qemu/hw/net/mipsnet.c
+++ /dev/null
@@ -1,287 +0,0 @@
-#include "qemu/osdep.h"
-#include "hw/hw.h"
-#include "net/net.h"
-#include "trace.h"
-#include "hw/sysbus.h"
-
-/* MIPSnet register offsets */
-
-#define MIPSNET_DEV_ID		0x00
-#define MIPSNET_BUSY		0x08
-#define MIPSNET_RX_DATA_COUNT	0x0c
-#define MIPSNET_TX_DATA_COUNT	0x10
-#define MIPSNET_INT_CTL		0x14
-# define MIPSNET_INTCTL_TXDONE		0x00000001
-# define MIPSNET_INTCTL_RXDONE		0x00000002
-# define MIPSNET_INTCTL_TESTBIT		0x80000000
-#define MIPSNET_INTERRUPT_INFO	0x18
-#define MIPSNET_RX_DATA_BUFFER	0x1c
-#define MIPSNET_TX_DATA_BUFFER	0x20
-
-#define MAX_ETH_FRAME_SIZE	1514
-
-#define TYPE_MIPS_NET "mipsnet"
-#define MIPS_NET(obj) OBJECT_CHECK(MIPSnetState, (obj), TYPE_MIPS_NET)
-
-typedef struct MIPSnetState {
-    SysBusDevice parent_obj;
-
-    uint32_t busy;
-    uint32_t rx_count;
-    uint32_t rx_read;
-    uint32_t tx_count;
-    uint32_t tx_written;
-    uint32_t intctl;
-    uint8_t rx_buffer[MAX_ETH_FRAME_SIZE];
-    uint8_t tx_buffer[MAX_ETH_FRAME_SIZE];
-    MemoryRegion io;
-    qemu_irq irq;
-    NICState *nic;
-    NICConf conf;
-} MIPSnetState;
-
-static void mipsnet_reset(MIPSnetState *s)
-{
-    s->busy = 1;
-    s->rx_count = 0;
-    s->rx_read = 0;
-    s->tx_count = 0;
-    s->tx_written = 0;
-    s->intctl = 0;
-    memset(s->rx_buffer, 0, MAX_ETH_FRAME_SIZE);
-    memset(s->tx_buffer, 0, MAX_ETH_FRAME_SIZE);
-}
-
-static void mipsnet_update_irq(MIPSnetState *s)
-{
-    int isr = !!s->intctl;
-    trace_mipsnet_irq(isr, s->intctl);
-    qemu_set_irq(s->irq, isr);
-}
-
-static int mipsnet_buffer_full(MIPSnetState *s)
-{
-    if (s->rx_count >= MAX_ETH_FRAME_SIZE)
-        return 1;
-    return 0;
-}
-
-static int mipsnet_can_receive(NetClientState *nc)
-{
-    MIPSnetState *s = qemu_get_nic_opaque(nc);
-
-    if (s->busy)
-        return 0;
-    return !mipsnet_buffer_full(s);
-}
-
-static ssize_t mipsnet_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
-    MIPSnetState *s = qemu_get_nic_opaque(nc);
-
-    trace_mipsnet_receive(size);
-    if (!mipsnet_can_receive(nc))
-        return 0;
-
-    s->busy = 1;
-
-    /* Just accept everything. */
-
-    /* Write packet data. */
-    memcpy(s->rx_buffer, buf, size);
-
-    s->rx_count = size;
-    s->rx_read = 0;
-
-    /* Now we can signal we have received something. */
-    s->intctl |= MIPSNET_INTCTL_RXDONE;
-    mipsnet_update_irq(s);
-
-    return size;
-}
-
-static uint64_t mipsnet_ioport_read(void *opaque, hwaddr addr,
-                                    unsigned int size)
-{
-    MIPSnetState *s = opaque;
-    int ret = 0;
-
-    addr &= 0x3f;
-    switch (addr) {
-    case MIPSNET_DEV_ID:
-	ret = be32_to_cpu(0x4d495053);		/* MIPS */
-        break;
-    case MIPSNET_DEV_ID + 4:
-	ret = be32_to_cpu(0x4e455430);		/* NET0 */
-        break;
-    case MIPSNET_BUSY:
-	ret = s->busy;
-        break;
-    case MIPSNET_RX_DATA_COUNT:
-	ret = s->rx_count;
-        break;
-    case MIPSNET_TX_DATA_COUNT:
-	ret = s->tx_count;
-        break;
-    case MIPSNET_INT_CTL:
-	ret = s->intctl;
-        s->intctl &= ~MIPSNET_INTCTL_TESTBIT;
-        break;
-    case MIPSNET_INTERRUPT_INFO:
-        /* XXX: This seems to be a per-VPE interrupt number. */
-	ret = 0;
-        break;
-    case MIPSNET_RX_DATA_BUFFER:
-        if (s->rx_count) {
-            s->rx_count--;
-            ret = s->rx_buffer[s->rx_read++];
-            if (mipsnet_can_receive(s->nic->ncs)) {
-                qemu_flush_queued_packets(qemu_get_queue(s->nic));
-            }
-        }
-        break;
-    /* Reads as zero. */
-    case MIPSNET_TX_DATA_BUFFER:
-    default:
-        break;
-    }
-    trace_mipsnet_read(addr, ret);
-    return ret;
-}
-
-static void mipsnet_ioport_write(void *opaque, hwaddr addr,
-                                 uint64_t val, unsigned int size)
-{
-    MIPSnetState *s = opaque;
-
-    addr &= 0x3f;
-    trace_mipsnet_write(addr, val);
-    switch (addr) {
-    case MIPSNET_TX_DATA_COUNT:
-	s->tx_count = (val <= MAX_ETH_FRAME_SIZE) ? val : 0;
-        s->tx_written = 0;
-        break;
-    case MIPSNET_INT_CTL:
-        if (val & MIPSNET_INTCTL_TXDONE) {
-            s->intctl &= ~MIPSNET_INTCTL_TXDONE;
-        } else if (val & MIPSNET_INTCTL_RXDONE) {
-            s->intctl &= ~MIPSNET_INTCTL_RXDONE;
-        } else if (val & MIPSNET_INTCTL_TESTBIT) {
-            mipsnet_reset(s);
-            s->intctl |= MIPSNET_INTCTL_TESTBIT;
-        } else if (!val) {
-            /* ACK testbit interrupt, flag was cleared on read. */
-        }
-        s->busy = !!s->intctl;
-        mipsnet_update_irq(s);
-        if (mipsnet_can_receive(s->nic->ncs)) {
-            qemu_flush_queued_packets(qemu_get_queue(s->nic));
-        }
-        break;
-    case MIPSNET_TX_DATA_BUFFER:
-        s->tx_buffer[s->tx_written++] = val;
-        if (s->tx_written == s->tx_count) {
-            /* Send buffer. */
-            trace_mipsnet_send(s->tx_count);
-            qemu_send_packet(qemu_get_queue(s->nic), s->tx_buffer, s->tx_count);
-            s->tx_count = s->tx_written = 0;
-            s->intctl |= MIPSNET_INTCTL_TXDONE;
-            s->busy = 1;
-            mipsnet_update_irq(s);
-        }
-        break;
-    /* Read-only registers */
-    case MIPSNET_DEV_ID:
-    case MIPSNET_BUSY:
-    case MIPSNET_RX_DATA_COUNT:
-    case MIPSNET_INTERRUPT_INFO:
-    case MIPSNET_RX_DATA_BUFFER:
-    default:
-        break;
-    }
-}
-
-static const VMStateDescription vmstate_mipsnet = {
-    .name = "mipsnet",
-    .version_id = 0,
-    .minimum_version_id = 0,
-    .fields = (VMStateField[]) {
-        VMSTATE_UINT32(busy, MIPSnetState),
-        VMSTATE_UINT32(rx_count, MIPSnetState),
-        VMSTATE_UINT32(rx_read, MIPSnetState),
-        VMSTATE_UINT32(tx_count, MIPSnetState),
-        VMSTATE_UINT32(tx_written, MIPSnetState),
-        VMSTATE_UINT32(intctl, MIPSnetState),
-        VMSTATE_BUFFER(rx_buffer, MIPSnetState),
-        VMSTATE_BUFFER(tx_buffer, MIPSnetState),
-        VMSTATE_END_OF_LIST()
-    }
-};
-
-static NetClientInfo net_mipsnet_info = {
-    .type = NET_CLIENT_OPTIONS_KIND_NIC,
-    .size = sizeof(NICState),
-    .receive = mipsnet_receive,
-};
-
-static const MemoryRegionOps mipsnet_ioport_ops = {
-    .read = mipsnet_ioport_read,
-    .write = mipsnet_ioport_write,
-    .impl.min_access_size = 1,
-    .impl.max_access_size = 4,
-};
-
-static int mipsnet_sysbus_init(SysBusDevice *sbd)
-{
-    DeviceState *dev = DEVICE(sbd);
-    MIPSnetState *s = MIPS_NET(dev);
-
-    memory_region_init_io(&s->io, OBJECT(dev), &mipsnet_ioport_ops, s,
-                          "mipsnet-io", 36);
-    sysbus_init_mmio(sbd, &s->io);
-    sysbus_init_irq(sbd, &s->irq);
-
-    s->nic = qemu_new_nic(&net_mipsnet_info, &s->conf,
-                          object_get_typename(OBJECT(dev)), dev->id, s);
-    qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
-
-    return 0;
-}
-
-static void mipsnet_sysbus_reset(DeviceState *dev)
-{
-    MIPSnetState *s = MIPS_NET(dev);
-    mipsnet_reset(s);
-}
-
-static Property mipsnet_properties[] = {
-    DEFINE_NIC_PROPERTIES(MIPSnetState, conf),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static void mipsnet_class_init(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
-
-    k->init = mipsnet_sysbus_init;
-    set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
-    dc->desc = "MIPS Simulator network device";
-    dc->reset = mipsnet_sysbus_reset;
-    dc->vmsd = &vmstate_mipsnet;
-    dc->props = mipsnet_properties;
-}
-
-static const TypeInfo mipsnet_info = {
-    .name          = TYPE_MIPS_NET,
-    .parent        = TYPE_SYS_BUS_DEVICE,
-    .instance_size = sizeof(MIPSnetState),
-    .class_init    = mipsnet_class_init,
-};
-
-static void mipsnet_register_types(void)
-{
-    type_register_static(&mipsnet_info);
-}
-
-type_init(mipsnet_register_types)