#include "hw/qdev.h"
#include "hw/ppc/spapr.h"
#include "hw/ppc/spapr_vio.h"
+#include "sysemu/sysemu.h"
#include <libfdt.h>
/*#define DEBUG*/
#ifdef DEBUG
-#define dprintf(fmt...) do { fprintf(stderr, fmt); } while (0)
+#define DPRINTF(fmt...) do { fprintf(stderr, fmt); } while (0)
#else
-#define dprintf(fmt...)
+#define DPRINTF(fmt...)
#endif
/*
#define VLAN_RXQ_BD_OFF 0
#define VLAN_FILTER_BD_OFF 8
#define VLAN_RX_BDS_OFF 16
-#define VLAN_MAX_BUFS ((SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF) / 8)
+/*
+ * The final 8 bytes of the buffer list is a counter of frames dropped
+ * because there was not a buffer in the buffer list capable of holding
+ * the frame. We must avoid it, or the operating system will report garbage
+ * for this statistic.
+ */
+#define VLAN_RX_BDS_LEN (SPAPR_TCE_PAGE_SIZE - VLAN_RX_BDS_OFF - 8)
+#define VLAN_MAX_BUFS (VLAN_RX_BDS_LEN / 8)
#define TYPE_VIO_SPAPR_VLAN_DEVICE "spapr-vlan"
#define VIO_SPAPR_VLAN_DEVICE(obj) \
VIOsPAPRDevice sdev;
NICConf nicconf;
NICState *nic;
- int isopen;
+ bool isopen;
target_ulong buf_list;
- int add_buf_ptr, use_buf_ptr, rx_bufs;
+ uint32_t add_buf_ptr, use_buf_ptr, rx_bufs;
target_ulong rxq_ptr;
} VIOsPAPRVLANDevice;
uint64_t handle;
uint8_t control;
- dprintf("spapr_vlan_receive() [%s] rx_bufs=%d\n", sdev->qdev.id,
+ DPRINTF("spapr_vlan_receive() [%s] rx_bufs=%d\n", sdev->qdev.id,
dev->rx_bufs);
if (!dev->isopen) {
do {
buf_ptr += 8;
- if (buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
+ if (buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) {
buf_ptr = VLAN_RX_BDS_OFF;
}
bd = vio_ldq(sdev, dev->buf_list + buf_ptr);
- dprintf("use_buf_ptr=%d bd=0x%016llx\n",
+ DPRINTF("use_buf_ptr=%d bd=0x%016llx\n",
buf_ptr, (unsigned long long)bd);
} while ((!(bd & VLAN_BD_VALID) || (VLAN_BD_LEN(bd) < (size + 8)))
&& (buf_ptr != dev->use_buf_ptr));
dev->use_buf_ptr = buf_ptr;
vio_stq(sdev, dev->buf_list + dev->use_buf_ptr, 0);
- dprintf("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs);
+ DPRINTF("Found buffer: ptr=%d num=%d\n", dev->use_buf_ptr, dev->rx_bufs);
/* Transfer the packet data */
if (spapr_vio_dma_write(sdev, VLAN_BD_ADDR(bd) + 8, buf, size) < 0) {
return -1;
}
- dprintf("spapr_vlan_receive: DMA write completed\n");
+ DPRINTF("spapr_vlan_receive: DMA write completed\n");
/* Update the receive queue */
control = VLAN_RXQC_TOGGLE | VLAN_RXQC_VALID;
vio_sth(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr + 2, 8);
vio_stb(sdev, VLAN_BD_ADDR(rxq_bd) + dev->rxq_ptr, control);
- dprintf("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n",
+ DPRINTF("wrote rxq entry (ptr=0x%llx): 0x%016llx 0x%016llx\n",
(unsigned long long)dev->rxq_ptr,
(unsigned long long)vio_ldq(sdev, VLAN_BD_ADDR(rxq_bd) +
dev->rxq_ptr),
return size;
}
-static void spapr_vlan_cleanup(NetClientState *nc)
-{
- VIOsPAPRVLANDevice *dev = qemu_get_nic_opaque(nc);
-
- dev->nic = NULL;
-}
-
static NetClientInfo net_spapr_vlan_info = {
.type = NET_CLIENT_OPTIONS_KIND_NIC,
.size = sizeof(NICState),
.can_receive = spapr_vlan_can_receive,
.receive = spapr_vlan_receive,
- .cleanup = spapr_vlan_cleanup,
};
static void spapr_vlan_reset(VIOsPAPRDevice *sdev)
dev->isopen = 0;
}
-static int spapr_vlan_init(VIOsPAPRDevice *sdev)
+static void spapr_vlan_realize(VIOsPAPRDevice *sdev, Error **errp)
{
VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf,
object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
+}
- return 0;
+static void spapr_vlan_instance_init(Object *obj)
+{
+ VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(obj);
+
+ device_add_bootindex_property(obj, &dev->nicconf.bootindex,
+ "bootindex", "",
+ DEVICE(dev), NULL);
}
void spapr_vlan_create(VIOsPAPRBus *bus, NICInfo *nd)
}
static target_ulong h_register_logical_lan(PowerPCCPU *cpu,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
target_ulong opcode,
target_ulong *args)
{
spapr_vio_dma_set(sdev, VLAN_BD_ADDR(rec_queue), 0, VLAN_BD_LEN(rec_queue));
dev->isopen = 1;
+ qemu_flush_queued_packets(qemu_get_queue(dev->nic));
+
return H_SUCCESS;
}
-static target_ulong h_free_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static target_ulong h_free_logical_lan(PowerPCCPU *cpu,
+ sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
}
static target_ulong h_add_logical_lan_buffer(PowerPCCPU *cpu,
- sPAPREnvironment *spapr,
+ sPAPRMachineState *spapr,
target_ulong opcode,
target_ulong *args)
{
VIOsPAPRVLANDevice *dev = VIO_SPAPR_VLAN_DEVICE(sdev);
vlan_bd_t bd;
- dprintf("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx
+ DPRINTF("H_ADD_LOGICAL_LAN_BUFFER(0x" TARGET_FMT_lx
", 0x" TARGET_FMT_lx ")\n", reg, buf);
if (!sdev) {
do {
dev->add_buf_ptr += 8;
- if (dev->add_buf_ptr >= SPAPR_TCE_PAGE_SIZE) {
+ if (dev->add_buf_ptr >= (VLAN_RX_BDS_LEN + VLAN_RX_BDS_OFF)) {
dev->add_buf_ptr = VLAN_RX_BDS_OFF;
}
dev->rx_bufs++;
- dprintf("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d"
+ qemu_flush_queued_packets(qemu_get_queue(dev->nic));
+
+ DPRINTF("h_add_logical_lan_buffer(): Added buf ptr=%d rx_bufs=%d"
" bd=0x%016llx\n", dev->add_buf_ptr, dev->rx_bufs,
(unsigned long long)buf);
return H_SUCCESS;
}
-static target_ulong h_send_logical_lan(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static target_ulong h_send_logical_lan(PowerPCCPU *cpu,
+ sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
int i, nbufs;
int ret;
- dprintf("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x"
+ DPRINTF("H_SEND_LOGICAL_LAN(0x" TARGET_FMT_lx ", <bufs>, 0x"
TARGET_FMT_lx ")\n", reg, continue_token);
if (!sdev) {
return H_PARAMETER;
}
- dprintf("rxbufs = %d\n", dev->rx_bufs);
+ DPRINTF("rxbufs = %d\n", dev->rx_bufs);
if (!dev->isopen) {
return H_DROPPED;
total_len = 0;
for (i = 0; i < 6; i++) {
- dprintf(" buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]);
+ DPRINTF(" buf desc: 0x" TARGET_FMT_lx "\n", bufs[i]);
if (!(bufs[i] & VLAN_BD_VALID)) {
break;
}
}
nbufs = i;
- dprintf("h_send_logical_lan() %d buffers, total length 0x%x\n",
+ DPRINTF("h_send_logical_lan() %d buffers, total length 0x%x\n",
nbufs, total_len);
if (total_len == 0) {
return H_SUCCESS;
}
-static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPREnvironment *spapr,
+static target_ulong h_multicast_ctrl(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong reg = args[0];
DEFINE_PROP_END_OF_LIST(),
};
+static const VMStateDescription vmstate_spapr_llan = {
+ .name = "spapr_llan",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_SPAPR_VIO(sdev, VIOsPAPRVLANDevice),
+ /* LLAN state */
+ VMSTATE_BOOL(isopen, VIOsPAPRVLANDevice),
+ VMSTATE_UINTTL(buf_list, VIOsPAPRVLANDevice),
+ VMSTATE_UINT32(add_buf_ptr, VIOsPAPRVLANDevice),
+ VMSTATE_UINT32(use_buf_ptr, VIOsPAPRVLANDevice),
+ VMSTATE_UINT32(rx_bufs, VIOsPAPRVLANDevice),
+ VMSTATE_UINTTL(rxq_ptr, VIOsPAPRVLANDevice),
+
+ VMSTATE_END_OF_LIST()
+ },
+};
+
static void spapr_vlan_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VIOsPAPRDeviceClass *k = VIO_SPAPR_DEVICE_CLASS(klass);
- k->init = spapr_vlan_init;
+ k->realize = spapr_vlan_realize;
k->reset = spapr_vlan_reset;
k->devnode = spapr_vlan_devnode;
k->dt_name = "l-lan";
k->dt_type = "network";
k->dt_compatible = "IBM,l-lan";
k->signal_mask = 0x1;
+ set_bit(DEVICE_CATEGORY_NETWORK, dc->categories);
dc->props = spapr_vlan_properties;
k->rtce_window_size = 0x10000000;
+ dc->vmsd = &vmstate_spapr_llan;
}
static const TypeInfo spapr_vlan_info = {
.parent = TYPE_VIO_SPAPR_DEVICE,
.instance_size = sizeof(VIOsPAPRVLANDevice),
.class_init = spapr_vlan_class_init,
+ .instance_init = spapr_vlan_instance_init,
};
static void spapr_vlan_register_types(void)
projects / qemu.git / blobdiff