static void smc91c111_cleanup(VLANClientState *vc)
{
smc91c111_state *s = vc->opaque;
cpu_unregister_io_memory(s->mmio_index);
g_free(s);
}
static void eth_cleanup(VLANClientState *nc)
{
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
cpu_unregister_io_memory(eth->ethregs);
qemu_free(eth->dma_out);
qemu_free(eth);
}
static int pci_ivshmem_uninit(PCIDevice *dev)
{
IVShmemState *s = DO_UPCAST(IVShmemState, dev, dev);
cpu_unregister_io_memory(s->ivshmem_mmio_io_addr);
unregister_savevm(&dev->qdev, "ivshmem", s);
return 0;
}
static int pci_pcnet_uninit(PCIDevice *dev)
{
PCIPCNetState *d = DO_UPCAST(PCIPCNetState, pci_dev, dev);
cpu_unregister_io_memory(d->state.mmio_index);
qemu_del_timer(d->state.poll_timer);
qemu_free_timer(d->state.poll_timer);
qemu_del_vlan_client(&d->state.nic->nc);
return 0;
}
static void nic_cleanup(VLANClientState *nc)
{
dp8393xState *s = DO_UPCAST(NICState, nc, nc)->opaque;
cpu_unregister_io_memory(s->mmio_index);
qemu_del_timer(s->watchdog);
qemu_free_timer(s->watchdog);
qemu_free(s);
}
static void eth_cleanup(VLANClientState *nc)
{
struct fs_eth *eth = DO_UPCAST(NICState, nc, nc)->opaque;
cpu_unregister_io_memory(eth->ethregs);
/* Disconnect the client. */
eth->dma_out->client.push = NULL;
eth->dma_out->client.opaque = NULL;
eth->dma_in->client.opaque = NULL;
eth->dma_in->client.pull = NULL;
g_free(eth);
}
/* Initialize the MSI-X structures. Note: if MSI-X is supported, BAR size is
* modified, it should be retrieved with msix_bar_size. */
int msix_init(struct PCIDevice *dev, unsigned short nentries,
unsigned bar_nr, unsigned bar_size)
{
int ret;
fprintf(stderr, "CDY msix_init, dev %p, vec_count 0x%x\n", dev, nentries);
/* Nothing to do if MSI is not supported by interrupt controller */
if (!msix_supported)
return -ENOTSUP;
if (nentries > MSIX_MAX_ENTRIES)
return -EINVAL;
#ifdef KVM_CAP_IRQCHIP
if (kvm_enabled() && qemu_kvm_irqchip_in_kernel()) {
fprintf(stderr, "CDY kvm_enabled and qemu_kvm_irqchip\n");
dev->msix_irq_entries = qemu_malloc(nentries *
sizeof *dev->msix_irq_entries);
}
#endif
dev->msix_entry_used = qemu_mallocz(MSIX_MAX_ENTRIES *
sizeof *dev->msix_entry_used);
dev->msix_table_page = qemu_mallocz(MSIX_PAGE_SIZE);
dev->msix_mmio_index = cpu_register_io_memory(msix_mmio_read,
msix_mmio_write, dev);
fprintf(stderr, "CDY after cpu_register_io_memory, index = 0x%x\n", dev->msix_mmio_index);
if (dev->msix_mmio_index == -1) {
ret = -EBUSY;
goto err_index;
}
dev->msix_entries_nr = nentries;
ret = msix_add_config(dev, nentries, bar_nr, bar_size);
fprintf(stderr, "CDY after msix_add_config, ret = 0x%x\n", ret);
if (ret)
goto err_config;
dev->cap_present |= QEMU_PCI_CAP_MSIX;
return 0;
err_config:
dev->msix_entries_nr = 0;
cpu_unregister_io_memory(dev->msix_mmio_index);
err_index:
qemu_free(dev->msix_table_page);
dev->msix_table_page = NULL;
qemu_free(dev->msix_entry_used);
dev->msix_entry_used = NULL;
return ret;
}
/* Clean up resources for the device. */
int msix_uninit(PCIDevice *dev)
{
if (!(dev->cap_present & QEMU_PCI_CAP_MSIX))
return 0;
pci_del_capability(dev, PCI_CAP_ID_MSIX, MSIX_CAP_LENGTH);
dev->msix_cap = 0;
msix_free_irq_entries(dev);
dev->msix_entries_nr = 0;
cpu_unregister_io_memory(dev->msix_mmio_index);
qemu_free(dev->msix_table_page);
dev->msix_table_page = NULL;
qemu_free(dev->msix_entry_used);
dev->msix_entry_used = NULL;
dev->cap_present &= ~QEMU_PCI_CAP_MSIX;
return 0;
}
/* Initialize the MSI-X structures. Note: if MSI-X is supported, BAR size is
* modified, it should be retrieved with msix_bar_size. */
int msix_init(struct PCIDevice *dev, unsigned short nentries,
unsigned bar_nr, unsigned bar_size)
{
int ret;
/* Nothing to do if MSI is not supported by interrupt controller */
if (!msix_supported)
return -ENOTSUP;
if (nentries > MSIX_MAX_ENTRIES)
return -EINVAL;
dev->msix_entry_used = qemu_mallocz(MSIX_MAX_ENTRIES *
sizeof *dev->msix_entry_used);
dev->msix_table_page = qemu_mallocz(MSIX_PAGE_SIZE);
msix_mask_all(dev, nentries);
dev->msix_mmio_index = cpu_register_io_memory(msix_mmio_read,
msix_mmio_write, dev,
DEVICE_NATIVE_ENDIAN);
if (dev->msix_mmio_index == -1) {
ret = -EBUSY;
goto err_index;
}
dev->msix_entries_nr = nentries;
ret = msix_add_config(dev, nentries, bar_nr, bar_size);
if (ret)
goto err_config;
dev->cap_present |= QEMU_PCI_CAP_MSIX;
return 0;
err_config:
dev->msix_entries_nr = 0;
cpu_unregister_io_memory(dev->msix_mmio_index);
err_index:
qemu_free(dev->msix_table_page);
dev->msix_table_page = NULL;
qemu_free(dev->msix_entry_used);
dev->msix_entry_used = NULL;
return ret;
}
