mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-24 03:13:44 +08:00
Code Issues Packages Projects Releases Wiki Activity

virtio-9p: Move 9p device registration into virtio-9p.c

Browse Source 
This patch move the 9p device registration into its own file

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com>
This commit is contained in:
Aneesh Kumar K.V 2011-06-01 12:35:13 +05:30 committed by Venkateswararao Jujjuri (JV)
parent 1c88c71564
commit 9fe1ebebd0
4 changed files with 84 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile.objs
View File

@ -45,7 +45,7 @@ net-nested-$(CONFIG_SLIRP) += slirp.o
net-nested-$(CONFIG_VDE) += vde.o
net-obj-y += $(addprefix net/, $(net-nested-y))
ifeq ($(CONFIG_VIRTIO)$(CONFIG_VIRTFS),yy)
ifeq ($(CONFIG_VIRTIO)$(CONFIG_VIRTFS)$(CONFIG_PCI),yyy)
# Lots of the fsdev/9pcode is pulled in by vl.c via qemu_fsdev_add.
# only pull in the actual virtio-9p device if we also enabled virtio.
CONFIG_REALLY_VIRTFS=y

38
hw/9pfs/virtio-9p.c
View File

@ -14,6 +14,7 @@
#include "virtio.h"
#include "pc.h"
#include "qemu_socket.h"
#include "virtio-pci.h"
#include "virtio-9p.h"
#include "fsdev/qemu-fsdev.h"
#include "virtio-9p-debug.h"
@ -3761,3 +3762,40 @@ VirtIODevice *virtio_9p_init(DeviceState *dev, V9fsConf *conf)
return &s->vdev;
}
static int virtio_9p_init_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
VirtIODevice *vdev;
vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf);
vdev->nvectors = proxy->nvectors;
virtio_init_pci(proxy, vdev,
PCI_VENDOR_ID_REDHAT_QUMRANET,
0x1009,
0x2,
0x00);
/* make the actual value visible */
proxy->nvectors = vdev->nvectors;
return 0;
}
static PCIDeviceInfo virtio_9p_info = {
.qdev.name = "virtio-9p-pci",
.qdev.size = sizeof(VirtIOPCIProxy),
.init = virtio_9p_init_pci,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag),
DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id),
DEFINE_PROP_END_OF_LIST(),
}
};
static void virtio_9p_register_devices(void)
{
pci_qdev_register(&virtio_9p_info);
}
device_init(virtio_9p_register_devices)

57
hw/virtio-pci.c
View File

@ -26,6 +26,7 @@
#include "loader.h"
#include "kvm.h"
#include "blockdev.h"
#include "virtio-pci.h"
/* from Linux's linux/virtio_pci.h */
@ -95,27 +96,6 @@
*/
#define wmb() do { } while (0)
/* PCI bindings. */
typedef struct {
PCIDevice pci_dev;
VirtIODevice *vdev;
uint32_t flags;
uint32_t addr;
uint32_t class_code;
uint32_t nvectors;
BlockConf block;
NICConf nic;
uint32_t host_features;
#ifdef CONFIG_LINUX
V9fsConf fsconf;
#endif
virtio_serial_conf serial;
virtio_net_conf net;
bool ioeventfd_disabled;
bool ioeventfd_started;
} VirtIOPCIProxy;
/* virtio device */
static void virtio_pci_notify(void *opaque, uint16_t vector)
@ -669,7 +649,7 @@ static const VirtIOBindings virtio_pci_bindings = {
.vmstate_change = virtio_pci_vmstate_change,
};
static void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,
void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,
uint16_t vendor, uint16_t device,
uint16_t class_code, uint8_t pif)
{
@ -835,25 +815,6 @@ static int virtio_balloon_init_pci(PCIDevice *pci_dev)
return 0;
}
#ifdef CONFIG_VIRTFS
static int virtio_9p_init_pci(PCIDevice *pci_dev)
{
VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
VirtIODevice *vdev;
vdev = virtio_9p_init(&pci_dev->qdev, &proxy->fsconf);
vdev->nvectors = proxy->nvectors;
virtio_init_pci(proxy, vdev,
PCI_VENDOR_ID_REDHAT_QUMRANET,
0x1009,
0x2,
0x00);
/* make the actual value visible */
proxy->nvectors = vdev->nvectors;
return 0;
}
#endif
static PCIDeviceInfo virtio_info[] = {
{
.qdev.name = "virtio-blk-pci",
@ -922,20 +883,6 @@ static PCIDeviceInfo virtio_info[] = {
},
.qdev.reset = virtio_pci_reset,
},{
#ifdef CONFIG_VIRTFS
.qdev.name = "virtio-9p-pci",
.qdev.alias = "virtio-9p",
.qdev.size = sizeof(VirtIOPCIProxy),
.init = virtio_9p_init_pci,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
DEFINE_PROP_STRING("mount_tag", VirtIOPCIProxy, fsconf.tag),
DEFINE_PROP_STRING("fsdev", VirtIOPCIProxy, fsconf.fsdev_id),
DEFINE_PROP_END_OF_LIST(),
},
}, {
#endif
/* end of list */
}
};

43
hw/virtio-pci.h Normal file
View File

@ -0,0 +1,43 @@
/*
* Virtio PCI Bindings
*
* Copyright IBM, Corp. 2007
* Copyright (c) 2009 CodeSourcery
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paul Brook <paul@codesourcery.com>
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*/
#ifndef QEMU_VIRTIO_PCI_H
#define QEMU_VIRTIO_PCI_H
#include "virtio-net.h"
#include "virtio-serial.h"
typedef struct {
PCIDevice pci_dev;
VirtIODevice *vdev;
uint32_t flags;
uint32_t addr;
uint32_t class_code;
uint32_t nvectors;
BlockConf block;
NICConf nic;
uint32_t host_features;
#ifdef CONFIG_LINUX
V9fsConf fsconf;
#endif
virtio_serial_conf serial;
virtio_net_conf net;
bool ioeventfd_disabled;
bool ioeventfd_started;
} VirtIOPCIProxy;
extern void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,
uint16_t vendor, uint16_t device,
uint16_t class_code, uint8_t pif);
#endif