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net: Provide MemReentrancyGuard * to qemu_new_nic()

Browse Source 
Recently MemReentrancyGuard was added to DeviceState to record that the
device is engaging in I/O. The network device backend needs to update it
when delivering a packet to a device.

In preparation for such a change, add MemReentrancyGuard * as a
parameter of qemu_new_nic().

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Jason Wang <jasowang@redhat.com>
(cherry picked from commit 7d0fefdf81)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
(Mjt: fixup in hw/net/xen_nic.c due to lack of v8.1.0-2771-g25967ff69f
 "hw/xen: update Xen PV NIC to XenDevice model")
This commit is contained in:
Akihiko Odaki 2023-06-01 12:18:58 +09:00 committed by Michael Tokarev
parent c6c0a1888f
commit cc5124d979
40 changed files with 75 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hw/net/allwinner-sun8i-emac.c
View File

@ -824,7 +824,8 @@ static void allwinner_sun8i_emac_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_allwinner_sun8i_emac_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/allwinner_emac.c
View File

@ -453,7 +453,8 @@ static void aw_emac_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_aw_emac_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
fifo8_create(&s->rx_fifo, RX_FIFO_SIZE);

3
hw/net/cadence_gem.c
View File

@ -1633,7 +1633,8 @@ static void gem_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_gem_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
if (s->jumbo_max_len > MAX_FRAME_SIZE) {
error_setg(errp, "jumbo-max-len is greater than %d",

3
hw/net/dp8393x.c
View File

@ -913,7 +913,8 @@ static void dp8393x_realize(DeviceState *dev, Error **errp)
"dp8393x-regs", SONIC_REG_COUNT << s->it_shift);
s->nic = qemu_new_nic(&net_dp83932_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->watchdog = timer_new_ns(QEMU_CLOCK_VIRTUAL, dp8393x_watchdog, s);

3
hw/net/e1000.c
View File

@ -1687,7 +1687,8 @@ static void pci_e1000_realize(PCIDevice *pci_dev, Error **errp)
macaddr);
d->nic = qemu_new_nic(&net_e1000_info, &d->conf,
object_get_typename(OBJECT(d)), dev->id, d);
object_get_typename(OBJECT(d)), dev->id,
&dev->mem_reentrancy_guard, d);
qemu_format_nic_info_str(qemu_get_queue(d->nic), macaddr);

2
hw/net/e1000e.c
View File

@ -320,7 +320,7 @@ e1000e_init_net_peer(E1000EState *s, PCIDevice *pci_dev, uint8_t *macaddr)
int i;
s->nic = qemu_new_nic(&net_e1000e_info, &s->conf,
object_get_typename(OBJECT(s)), dev->id, s);
object_get_typename(OBJECT(s)), dev->id, &dev->mem_reentrancy_guard, s);
s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;

4
hw/net/eepro100.c
View File

@ -1874,7 +1874,9 @@ static void e100_nic_realize(PCIDevice *pci_dev, Error **errp)
nic_reset(s);
s->nic = qemu_new_nic(&net_eepro100_info, &s->conf,
object_get_typename(OBJECT(pci_dev)), pci_dev->qdev.id, s);
object_get_typename(OBJECT(pci_dev)),
pci_dev->qdev.id,
&pci_dev->qdev.mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
TRACE(OTHER, logout("%s\n", qemu_get_queue(s->nic)->info_str));

3
hw/net/etraxfs_eth.c
View File

@ -618,7 +618,8 @@ static void etraxfs_eth_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_etraxfs_info, &s->conf,
object_get_typename(OBJECT(s)), dev->id, s);
object_get_typename(OBJECT(s)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->phy.read = tdk_read;

3
hw/net/fsl_etsec/etsec.c
View File

@ -391,7 +391,8 @@ static void etsec_realize(DeviceState *dev, Error **errp)
eTSEC *etsec = ETSEC_COMMON(dev);
etsec->nic = qemu_new_nic(&net_etsec_info, &etsec->conf,
object_get_typename(OBJECT(dev)), dev->id, etsec);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, etsec);
qemu_format_nic_info_str(qemu_get_queue(etsec->nic), etsec->conf.macaddr.a);
etsec->ptimer = ptimer_init(etsec_timer_hit, etsec, PTIMER_POLICY_LEGACY);

3
hw/net/ftgmac100.c
View File

@ -1110,7 +1110,8 @@ static void ftgmac100_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_ftgmac100_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

2
hw/net/i82596.c
View File

@ -725,7 +725,7 @@ void i82596_common_init(DeviceState *dev, I82596State *s, NetClientInfo *info)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
}
s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)),
dev->id, s);
dev->id, &dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
if (USE_TIMER) {

2
hw/net/igb.c
View File

@ -315,7 +315,7 @@ igb_init_net_peer(IGBState *s, PCIDevice *pci_dev, uint8_t *macaddr)
int i;
s->nic = qemu_new_nic(&net_igb_info, &s->conf,
object_get_typename(OBJECT(s)), dev->id, s);
object_get_typename(OBJECT(s)), dev->id, &dev->mem_reentrancy_guard, s);
s->core.max_queue_num = s->conf.peers.queues ? s->conf.peers.queues - 1 : 0;

2
hw/net/imx_fec.c
View File

@ -1334,7 +1334,7 @@ static void imx_eth_realize(DeviceState *dev, Error **errp)
s->nic = qemu_new_nic(&imx_eth_net_info, &s->conf,
object_get_typename(OBJECT(dev)),
dev->id, s);
dev->id, &dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/lan9118.c
View File

@ -1361,7 +1361,8 @@ static void lan9118_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_lan9118_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->eeprom[0] = 0xa5;
for (i = 0; i < 6; i++) {

3
hw/net/mcf_fec.c
View File

@ -643,7 +643,8 @@ static void mcf_fec_realize(DeviceState *dev, Error **errp)
mcf_fec_state *s = MCF_FEC_NET(dev);
s->nic = qemu_new_nic(&net_mcf_fec_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/mipsnet.c
View File

@ -255,7 +255,8 @@ static void mipsnet_realize(DeviceState *dev, Error **errp)
sysbus_init_irq(sbd, &s->irq);
s->nic = qemu_new_nic(&net_mipsnet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/msf2-emac.c
View File

@ -530,7 +530,8 @@ static void msf2_emac_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_msf2_emac_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/mv88w8618_eth.c
View File

@ -350,7 +350,8 @@ static void mv88w8618_eth_realize(DeviceState *dev, Error **errp)
address_space_init(&s->dma_as, s->dma_mr, "emac-dma");
s->nic = qemu_new_nic(&net_mv88w8618_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
}
static const VMStateDescription mv88w8618_eth_vmsd = {

3
hw/net/ne2000-isa.c
View File

@ -74,7 +74,8 @@ static void isa_ne2000_realizefn(DeviceState *dev, Error **errp)
ne2000_reset(s);
s->nic = qemu_new_nic(&net_ne2000_isa_info, &s->c,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
}

3
hw/net/ne2000-pci.c
View File

@ -71,7 +71,8 @@ static void pci_ne2000_realize(PCIDevice *pci_dev, Error **errp)
s->nic = qemu_new_nic(&net_ne2000_info, &s->c,
object_get_typename(OBJECT(pci_dev)),
pci_dev->qdev.id, s);
pci_dev->qdev.id,
&pci_dev->qdev.mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
}

3
hw/net/npcm7xx_emc.c
View File

@ -821,7 +821,8 @@ static void npcm7xx_emc_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&emc->conf.macaddr);
emc->nic = qemu_new_nic(&net_npcm7xx_emc_info, &emc->conf,
object_get_typename(OBJECT(dev)), dev->id, emc);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, emc);
qemu_format_nic_info_str(qemu_get_queue(emc->nic), emc->conf.macaddr.a);
}

3
hw/net/opencores_eth.c
View File

@ -732,7 +732,8 @@ static void sysbus_open_eth_realize(DeviceState *dev, Error **errp)
sysbus_init_irq(sbd, &s->irq);
s->nic = qemu_new_nic(&net_open_eth_info, &s->conf,
object_get_typename(OBJECT(s)), dev->id, s);
object_get_typename(OBJECT(s)), dev->id,
&dev->mem_reentrancy_guard, s);
}
static void qdev_open_eth_reset(DeviceState *dev)

3
hw/net/pcnet.c
View File

@ -1709,7 +1709,8 @@ void pcnet_common_init(DeviceState *dev, PCNetState *s, NetClientInfo *info)
s->poll_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, pcnet_poll_timer, s);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)), dev->id, s);
s->nic = qemu_new_nic(info, &s->conf, object_get_typename(OBJECT(dev)),
dev->id, &dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
/* Initialize the PROM */

4
hw/net/rocker/rocker_fp.c
View File

@ -241,8 +241,8 @@ FpPort *fp_port_alloc(Rocker *r, char *sw_name,
port->conf.bootindex = -1;
port->conf.peers = *peers;
port->nic = qemu_new_nic(&fp_port_info, &port->conf,
sw_name, NULL, port);
port->nic = qemu_new_nic(&fp_port_info, &port->conf, sw_name, NULL,
&DEVICE(r)->mem_reentrancy_guard, port);
qemu_format_nic_info_str(qemu_get_queue(port->nic),
port->conf.macaddr.a);

3
hw/net/rtl8139.c
View File

@ -3388,7 +3388,8 @@ static void pci_rtl8139_realize(PCIDevice *dev, Error **errp)
s->eeprom.contents[9] = s->conf.macaddr.a[4] | s->conf.macaddr.a[5] << 8;
s->nic = qemu_new_nic(&net_rtl8139_info, &s->conf,
object_get_typename(OBJECT(dev)), d->id, s);
object_get_typename(OBJECT(dev)), d->id,
&d->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->cplus_txbuffer = NULL;

3
hw/net/smc91c111.c
View File

@ -783,7 +783,8 @@ static void smc91c111_realize(DeviceState *dev, Error **errp)
sysbus_init_irq(sbd, &s->irq);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_smc91c111_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
/* ??? Save/restore. */
}

3
hw/net/spapr_llan.c
View File

@ -325,7 +325,8 @@ static void spapr_vlan_realize(SpaprVioDevice *sdev, Error **errp)
memcpy(&dev->perm_mac.a, &dev->nicconf.macaddr.a, sizeof(dev->perm_mac.a));
dev->nic = qemu_new_nic(&net_spapr_vlan_info, &dev->nicconf,
object_get_typename(OBJECT(sdev)), sdev->qdev.id, dev);
object_get_typename(OBJECT(sdev)), sdev->qdev.id,
&sdev->qdev.mem_reentrancy_guard, dev);
qemu_format_nic_info_str(qemu_get_queue(dev->nic), dev->nicconf.macaddr.a);
dev->rxp_timer = timer_new_us(QEMU_CLOCK_VIRTUAL, spapr_vlan_flush_rx_queue,

3
hw/net/stellaris_enet.c
View File

@ -492,7 +492,8 @@ static void stellaris_enet_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_stellaris_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

2
hw/net/sungem.c
View File

@ -1399,7 +1399,7 @@ static void sungem_realize(PCIDevice *pci_dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_sungem_info, &s->conf,
object_get_typename(OBJECT(dev)),
dev->id, s);
dev->id, &dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic),
s->conf.macaddr.a);
}

3
hw/net/sunhme.c
View File

@ -881,7 +881,8 @@ static void sunhme_realize(PCIDevice *pci_dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_sunhme_info, &s->conf,
object_get_typename(OBJECT(d)), d->id, s);
object_get_typename(OBJECT(d)), d->id,
&d->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/net/tulip.c
View File

@ -983,7 +983,8 @@ static void pci_tulip_realize(PCIDevice *pci_dev, Error **errp)
s->nic = qemu_new_nic(&net_tulip_info, &s->c,
object_get_typename(OBJECT(pci_dev)),
pci_dev->qdev.id, s);
pci_dev->qdev.id,
&pci_dev->qdev.mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->c.macaddr.a);
}

6
hw/net/virtio-net.c
View File

@ -3695,10 +3695,12 @@ static void virtio_net_device_realize(DeviceState *dev, Error **errp)
* Happen when virtio_net_set_netclient_name has been called.
*/
n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf,
n->netclient_type, n->netclient_name, n);
n->netclient_type, n->netclient_name,
&dev->mem_reentrancy_guard, n);
} else {
n->nic = qemu_new_nic(&net_virtio_info, &n->nic_conf,
object_get_typename(OBJECT(dev)), dev->id, n);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, n);
}
for (i = 0; i < n->max_queue_pairs; i++) {

2
hw/net/vmxnet3.c
View File

@ -2076,7 +2076,7 @@ static void vmxnet3_net_init(VMXNET3State *s)
s->nic = qemu_new_nic(&net_vmxnet3_info, &s->conf,
object_get_typename(OBJECT(s)),
d->id, s);
d->id, &d->mem_reentrancy_guard, s);
s->peer_has_vhdr = vmxnet3_peer_has_vnet_hdr(s);
s->tx_sop = true;

3
hw/net/xen_nic.c
View File

@ -294,7 +294,8 @@ static int net_init(struct XenLegacyDevice *xendev)
}
netdev->nic = qemu_new_nic(&net_xen_info, &netdev->conf,
"xen", NULL, netdev);
"xen", NULL,
&xendev->qdev.mem_reentrancy_guard, netdev);
qemu_set_info_str(qemu_get_queue(netdev->nic),
"nic: xenbus vif macaddr=%s", netdev->mac);

3
hw/net/xgmac.c
View File

@ -402,7 +402,8 @@ static void xgmac_enet_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xgmac_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
s->regs[XGMAC_ADDR_HIGH(0)] = (s->conf.macaddr.a[5] << 8) |

3
hw/net/xilinx_axienet.c
View File

@ -967,7 +967,8 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xilinx_enet_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
tdk_init(&s->TEMAC.phy);

3
hw/net/xilinx_ethlite.c
View File

@ -235,7 +235,8 @@ static void xilinx_ethlite_realize(DeviceState *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_xilinx_ethlite_info, &s->conf,
object_get_typename(OBJECT(dev)), dev->id, s);
object_get_typename(OBJECT(dev)), dev->id,
&dev->mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
}

3
hw/usb/dev-network.c
View File

@ -1386,7 +1386,8 @@ static void usb_net_realize(USBDevice *dev, Error **errp)
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
object_get_typename(OBJECT(s)), s->dev.qdev.id, s);
object_get_typename(OBJECT(s)), s->dev.qdev.id,
&s->dev.qdev.mem_reentrancy_guard, s);
qemu_format_nic_info_str(qemu_get_queue(s->nic), s->conf.macaddr.a);
snprintf(s->usbstring_mac, sizeof(s->usbstring_mac),
"%02x%02x%02x%02x%02x%02x",

1
include/net/net.h
View File

@ -157,6 +157,7 @@ NICState *qemu_new_nic(NetClientInfo *info,
NICConf *conf,
const char *model,
const char *name,
MemReentrancyGuard *reentrancy_guard,
void *opaque);
void qemu_del_nic(NICState *nic);
NetClientState *qemu_get_subqueue(NICState *nic, int queue_index);

1
net/net.c
View File

@ -319,6 +319,7 @@ NICState *qemu_new_nic(NetClientInfo *info,
NICConf *conf,
const char *model,
const char *name,
MemReentrancyGuard *reentrancy_guard,
void *opaque)
{
NetClientState **peers = conf->peers.ncs;