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virtio,pc,pci: features, cleanups

Browse source 
infrastructure for vhost-vdpa shadow work
 piix south bridge rework
 reconnect for vhost-user-scsi
 dummy ACPI QTG DSM for cxl
 
 tests, cleanups, fixes all over the place
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups

infrastructure for vhost-vdpa shadow work
piix south bridge rework
reconnect for vhost-user-scsi
dummy ACPI QTG DSM for cxl

tests, cleanups, fixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Sun 22 Oct 2023 02:18:43 PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (62 commits)
  intel-iommu: Report interrupt remapping faults, fix return value
  MAINTAINERS: Add include/hw/intc/i8259.h to the PC chip section
  vhost-user: Fix protocol feature bit conflict
  tests/acpi: Update DSDT.cxl with QTG DSM
  hw/cxl: Add QTG _DSM support for ACPI0017 device
  tests/acpi: Allow update of DSDT.cxl
  hw/i386/cxl: ensure maxram is greater than ram size for calculating cxl range
  vhost-user: fix lost reconnect
  vhost-user-scsi: start vhost when guest kicks
  vhost-user-scsi: support reconnect to backend
  vhost: move and rename the conn retry times
  vhost-user-common: send get_inflight_fd once
  hw/i386/pc_piix: Make PIIX4 south bridge usable in PC machine
  hw/isa/piix: Implement multi-process QEMU support also for PIIX4
  hw/isa/piix: Resolve duplicate code regarding PCI interrupt wiring
  hw/isa/piix: Reuse PIIX3's PCI interrupt triggering in PIIX4
  hw/isa/piix: Rename functions to be shared for PCI interrupt triggering
  hw/isa/piix: Reuse PIIX3 base class' realize method in PIIX4
  hw/isa/piix: Share PIIX3's base class with PIIX4
  hw/isa/piix: Harmonize names of reset control memory regions
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2023-10-23 14:45:29 -07:00
commit 1b4a5a20da
43 changed files with 1218 additions and 836 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/hw/virtio/vhost-scsi-common.h
View file

@ -39,7 +39,7 @@ struct VHostSCSICommon {
struct vhost_inflight *inflight;
};
int vhost_scsi_common_start(VHostSCSICommon *vsc);
int vhost_scsi_common_start(VHostSCSICommon *vsc, Error **errp);
void vhost_scsi_common_stop(VHostSCSICommon *vsc);
char *vhost_scsi_common_get_fw_dev_path(FWPathProvider *p, BusState *bus,
DeviceState *dev);

6
include/hw/virtio/vhost-user-scsi.h
View file

@ -28,7 +28,13 @@ OBJECT_DECLARE_SIMPLE_TYPE(VHostUserSCSI, VHOST_USER_SCSI)
struct VHostUserSCSI {
VHostSCSICommon parent_obj;
/* Properties */
bool connected;
bool started_vu;
VhostUserState vhost_user;
struct vhost_virtqueue *vhost_vqs;
};
#endif /* VHOST_USER_SCSI_H */

6
include/hw/virtio/vhost-user.h
View file

@ -29,7 +29,8 @@ enum VhostUserProtocolFeature {
VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS = 14,
VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS = 15,
VHOST_USER_PROTOCOL_F_STATUS = 16,
VHOST_USER_PROTOCOL_F_SHARED_OBJECT = 17,
/* Feature 17 reserved for VHOST_USER_PROTOCOL_F_XEN_MMAP. */
VHOST_USER_PROTOCOL_F_SHARED_OBJECT = 18,
VHOST_USER_PROTOCOL_F_MAX
};
@ -106,6 +107,7 @@ typedef void (*vu_async_close_fn)(DeviceState *cb);
void vhost_user_async_close(DeviceState *d,
CharBackend *chardev, struct vhost_dev *vhost,
vu_async_close_fn cb);
vu_async_close_fn cb,
IOEventHandler *event_cb);
#endif

12
include/hw/virtio/vhost.h
View file

@ -8,6 +8,8 @@
#define VHOST_F_DEVICE_IOTLB 63
#define VHOST_USER_F_PROTOCOL_FEATURES 30
#define VU_REALIZE_CONN_RETRIES 3
/* Generic structures common for any vhost based device. */
struct vhost_inflight {
@ -339,4 +341,14 @@ int vhost_dev_set_inflight(struct vhost_dev *dev,
int vhost_dev_get_inflight(struct vhost_dev *dev, uint16_t queue_size,
struct vhost_inflight *inflight);
bool vhost_dev_has_iommu(struct vhost_dev *dev);
#ifdef CONFIG_VHOST
int vhost_reset_device(struct vhost_dev *hdev);
#else
static inline int vhost_reset_device(struct vhost_dev *hdev)
{
return -ENOSYS;
}
#endif /* CONFIG_VHOST */
#endif