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path: root/hw/virtio/virtio.c
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Diffstat (limited to 'hw/virtio/virtio.c')
-rw-r--r--hw/virtio/virtio.c75
1 files changed, 47 insertions, 28 deletions
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index f03c45dff..aeabf3a45 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -14,6 +14,7 @@
#include <inttypes.h>
#include "trace.h"
+#include "exec/address-spaces.h"
#include "qemu/error-report.h"
#include "hw/virtio/virtio.h"
#include "qemu/atomic.h"
@@ -104,49 +105,49 @@ static inline uint64_t vring_desc_addr(hwaddr desc_pa, int i)
{
hwaddr pa;
pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, addr);
- return ldq_phys(pa);
+ return ldq_phys(&address_space_memory, pa);
}
static inline uint32_t vring_desc_len(hwaddr desc_pa, int i)
{
hwaddr pa;
pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, len);
- return ldl_phys(pa);
+ return ldl_phys(&address_space_memory, pa);
}
static inline uint16_t vring_desc_flags(hwaddr desc_pa, int i)
{
hwaddr pa;
pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, flags);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline uint16_t vring_desc_next(hwaddr desc_pa, int i)
{
hwaddr pa;
pa = desc_pa + sizeof(VRingDesc) * i + offsetof(VRingDesc, next);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline uint16_t vring_avail_flags(VirtQueue *vq)
{
hwaddr pa;
pa = vq->vring.avail + offsetof(VRingAvail, flags);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline uint16_t vring_avail_idx(VirtQueue *vq)
{
hwaddr pa;
pa = vq->vring.avail + offsetof(VRingAvail, idx);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline uint16_t vring_avail_ring(VirtQueue *vq, int i)
{
hwaddr pa;
pa = vq->vring.avail + offsetof(VRingAvail, ring[i]);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline uint16_t vring_used_event(VirtQueue *vq)
@@ -158,42 +159,44 @@ static inline void vring_used_ring_id(VirtQueue *vq, int i, uint32_t val)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, ring[i].id);
- stl_phys(pa, val);
+ stl_phys(&address_space_memory, pa, val);
}
static inline void vring_used_ring_len(VirtQueue *vq, int i, uint32_t val)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, ring[i].len);
- stl_phys(pa, val);
+ stl_phys(&address_space_memory, pa, val);
}
static uint16_t vring_used_idx(VirtQueue *vq)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, idx);
- return lduw_phys(pa);
+ return lduw_phys(&address_space_memory, pa);
}
static inline void vring_used_idx_set(VirtQueue *vq, uint16_t val)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, idx);
- stw_phys(pa, val);
+ stw_phys(&address_space_memory, pa, val);
}
static inline void vring_used_flags_set_bit(VirtQueue *vq, int mask)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, flags);
- stw_phys(pa, lduw_phys(pa) | mask);
+ stw_phys(&address_space_memory,
+ pa, lduw_phys(&address_space_memory, pa) | mask);
}
static inline void vring_used_flags_unset_bit(VirtQueue *vq, int mask)
{
hwaddr pa;
pa = vq->vring.used + offsetof(VRingUsed, flags);
- stw_phys(pa, lduw_phys(pa) & ~mask);
+ stw_phys(&address_space_memory,
+ pa, lduw_phys(&address_space_memory, pa) & ~mask);
}
static inline void vring_avail_event(VirtQueue *vq, uint16_t val)
@@ -203,7 +206,7 @@ static inline void vring_avail_event(VirtQueue *vq, uint16_t val)
return;
}
pa = vq->vring.used + offsetof(VRingUsed, ring[vq->vring.num]);
- stw_phys(pa, val);
+ stw_phys(&address_space_memory, pa, val);
}
void virtio_queue_set_notification(VirtQueue *vq, int enable)
@@ -377,8 +380,8 @@ void virtqueue_get_avail_bytes(VirtQueue *vq, unsigned int *in_bytes,
/* loop over the indirect descriptor table */
indirect = 1;
max = vring_desc_len(desc_pa, i) / sizeof(VRingDesc);
- num_bufs = i = 0;
desc_pa = vring_desc_addr(desc_pa, i);
+ num_bufs = i = 0;
}
do {
@@ -1150,35 +1153,51 @@ void virtio_device_set_child_bus_name(VirtIODevice *vdev, char *bus_name)
}
}
-static int virtio_device_init(DeviceState *qdev)
+static void virtio_device_realize(DeviceState *dev, Error **errp)
{
- VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
- VirtioDeviceClass *k = VIRTIO_DEVICE_GET_CLASS(qdev);
- assert(k->init != NULL);
- if (k->init(vdev) < 0) {
- return -1;
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(dev);
+ Error *err = NULL;
+
+ if (vdc->realize != NULL) {
+ vdc->realize(dev, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
}
- virtio_bus_plug_device(vdev);
- return 0;
+ virtio_bus_device_plugged(vdev);
}
-static int virtio_device_exit(DeviceState *qdev)
+static void virtio_device_unrealize(DeviceState *dev, Error **errp)
{
- VirtIODevice *vdev = VIRTIO_DEVICE(qdev);
+ VirtIODevice *vdev = VIRTIO_DEVICE(dev);
+ VirtioDeviceClass *vdc = VIRTIO_DEVICE_GET_CLASS(dev);
+ Error *err = NULL;
+
+ virtio_bus_device_unplugged(vdev);
+
+ if (vdc->unrealize != NULL) {
+ vdc->unrealize(dev, &err);
+ if (err != NULL) {
+ error_propagate(errp, err);
+ return;
+ }
+ }
if (vdev->bus_name) {
g_free(vdev->bus_name);
vdev->bus_name = NULL;
}
- return 0;
}
static void virtio_device_class_init(ObjectClass *klass, void *data)
{
/* Set the default value here. */
DeviceClass *dc = DEVICE_CLASS(klass);
- dc->init = virtio_device_init;
- dc->exit = virtio_device_exit;
+
+ dc->realize = virtio_device_realize;
+ dc->unrealize = virtio_device_unrealize;
dc->bus_type = TYPE_VIRTIO_BUS;
}