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pc, pci, virtio, vhost: fixes, features

Browse source 
Beginning of merging vDPA, new PCI ID, a new virtio balloon stat, intel
 iommu rework fixing a couple of security problems (no CVEs yet), fixes
 all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, pci, virtio, vhost: fixes, features

Beginning of merging vDPA, new PCI ID, a new virtio balloon stat, intel
iommu rework fixing a couple of security problems (no CVEs yet), fixes
all over the place.

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

# gpg: Signature made Wed 23 May 2018 15:41:32 BST
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (28 commits)
  intel-iommu: rework the page walk logic
  util: implement simple iova tree
  intel-iommu: trace domain id during page walk
  intel-iommu: pass in address space when page walk
  intel-iommu: introduce vtd_page_walk_info
  intel-iommu: only do page walk for MAP notifiers
  intel-iommu: add iommu lock
  intel-iommu: remove IntelIOMMUNotifierNode
  intel-iommu: send PSI always even if across PDEs
  nvdimm: fix typo in label-size definition
  contrib/vhost-user-blk: enable protocol feature for vhost-user-blk
  hw/virtio: Fix brace Werror with clang 6.0.0
  libvhost-user: Send messages with no data
  vhost-user+postcopy: Use qemu_set_nonblock
  virtio: support setting memory region based host notifier
  vhost-user: support receiving file descriptors in slave_read
  vhost-user: add Net prefix to internal state structure
  linux-headers: add kvm header for mips
  linux-headers: add unistd.h on all arches
  update-linux-headers.sh: unistd.h, kvm consistency
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-05-24 14:22:23 +01:00
commit 45eabb2ede
54 changed files with 1731 additions and 456 deletions
Download patch file Download diff file Expand all files Collapse all files

19
include/hw/i386/intel_iommu.h
View file

@ -27,6 +27,7 @@
#include "hw/i386/ioapic.h"
#include "hw/pci/msi.h"
#include "hw/sysbus.h"
#include "qemu/iova-tree.h"
#define TYPE_INTEL_IOMMU_DEVICE "intel-iommu"
#define INTEL_IOMMU_DEVICE(obj) \
@ -67,7 +68,6 @@ typedef union VTD_IR_TableEntry VTD_IR_TableEntry;
typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress;
typedef struct VTDIrq VTDIrq;
typedef struct VTD_MSIMessage VTD_MSIMessage;
typedef struct IntelIOMMUNotifierNode IntelIOMMUNotifierNode;
/* Context-Entry */
struct VTDContextEntry {
@ -93,6 +93,10 @@ struct VTDAddressSpace {
MemoryRegion iommu_ir; /* Interrupt region: 0xfeeXXXXX */
IntelIOMMUState *iommu_state;
VTDContextCacheEntry context_cache_entry;
QLIST_ENTRY(VTDAddressSpace) next;
/* Superset of notifier flags that this address space has */
IOMMUNotifierFlag notifier_flags;
IOVATree *iova_tree; /* Traces mapped IOVA ranges */
};
struct VTDBus {
@ -253,11 +257,6 @@ struct VTD_MSIMessage {
/* When IR is enabled, all MSI/MSI-X data bits should be zero */
#define VTD_IR_MSI_DATA (0)
struct IntelIOMMUNotifierNode {
VTDAddressSpace *vtd_as;
QLIST_ENTRY(IntelIOMMUNotifierNode) next;
};
/* The iommu (DMAR) device state struct */
struct IntelIOMMUState {
X86IOMMUState x86_iommu;
@ -295,7 +294,7 @@ struct IntelIOMMUState {
GHashTable *vtd_as_by_busptr; /* VTDBus objects indexed by PCIBus* reference */
VTDBus *vtd_as_by_bus_num[VTD_PCI_BUS_MAX]; /* VTDBus objects indexed by bus number */
/* list of registered notifiers */
QLIST_HEAD(, IntelIOMMUNotifierNode) notifiers_list;
QLIST_HEAD(, VTDAddressSpace) vtd_as_with_notifiers;
/* interrupt remapping */
bool intr_enabled; /* Whether guest enabled IR */
@ -305,6 +304,12 @@ struct IntelIOMMUState {
OnOffAuto intr_eim; /* Toggle for EIM cabability */
bool buggy_eim; /* Force buggy EIM unless eim=off */
uint8_t aw_bits; /* Host/IOVA address width (in bits) */
/*
* Protects IOMMU states in general. Currently it protects the
* per-IOMMU IOTLB cache, and context entry cache in VTDAddressSpace.
*/
QemuMutex iommu_lock;
};
/* Find the VTD Address space associated with the given bus pointer,

2
include/hw/mem/nvdimm.h
View file

@ -48,7 +48,7 @@
#define NVDIMM_GET_CLASS(obj) OBJECT_GET_CLASS(NVDIMMClass, (obj), \
TYPE_NVDIMM)
#define NVDIMM_LABLE_SIZE_PROP "label-size"
#define NVDIMM_LABEL_SIZE_PROP "label-size"
#define NVDIMM_UNARMED_PROP "unarmed"
struct NVDIMMDevice {

1
include/hw/pci/pci.h
View file

@ -101,6 +101,7 @@ extern bool pci_available;
#define PCI_DEVICE_ID_REDHAT_PCIE_RP 0x000c
#define PCI_DEVICE_ID_REDHAT_XHCI 0x000d
#define PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE 0x000e
#define PCI_DEVICE_ID_REDHAT_MDPY 0x000f
#define PCI_DEVICE_ID_REDHAT_QXL 0x0100
#define FMT_PCIBUS PRIx64

2
include/hw/virtio/virtio-bus.h
View file

@ -52,6 +52,8 @@ typedef struct VirtioBusClass {
bool (*has_extra_state)(DeviceState *d);
bool (*query_guest_notifiers)(DeviceState *d);
int (*set_guest_notifiers)(DeviceState *d, int nvqs, bool assign);
int (*set_host_notifier_mr)(DeviceState *d, int n,
MemoryRegion *mr, bool assign);
void (*vmstate_change)(DeviceState *d, bool running);
/*
* Expose the features the transport layer supports before

2
include/hw/virtio/virtio.h
View file

@ -239,6 +239,8 @@ void virtio_queue_set_align(VirtIODevice *vdev, int n, int align);
void virtio_queue_notify(VirtIODevice *vdev, int n);
uint16_t virtio_queue_vector(VirtIODevice *vdev, int n);
void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);
int virtio_queue_set_host_notifier_mr(VirtIODevice *vdev, int n,
MemoryRegion *mr, bool assign);
int virtio_set_status(VirtIODevice *vdev, uint8_t val);
void virtio_reset(void *opaque);
void virtio_update_irq(VirtIODevice *vdev);