Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

virtio: features, tests

libqos update with support for virtio 1.
Packed ring support for virtio.

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

# gpg: Signature made Fri 25 Oct 2019 12:47:59 BST
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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: (25 commits)
  virtio: drop unused virtio_device_stop_ioeventfd() function
  libqos: add VIRTIO PCI 1.0 support
  libqos: extract Legacy virtio-pci.c code
  libqos: make the virtio-pci BAR index configurable
  libqos: expose common virtqueue setup/cleanup functions
  libqos: add MSI-X callbacks to QVirtioPCIDevice
  libqos: pass full QVirtQueue to set_queue_address()
  libqos: add iteration support to qpci_find_capability()
  libqos: access VIRTIO 1.0 vring in little-endian
  libqos: implement VIRTIO 1.0 FEATURES_OK step
  libqos: enforce Device Initialization order
  libqos: add missing virtio-9p feature negotiation
  tests/virtio-blk-test: set up virtqueue after feature negotiation
  virtio-scsi-test: add missing feature negotiation
  libqos: extend feature bits to 64-bit
  libqos: read QVIRTIO_MMIO_VERSION register
  tests/virtio-blk-test: read config space after feature negotiation
  virtio: add property to enable packed virtqueue
  vhost_net: enable packed ring support
  virtio: event suppression support for packed ring
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 32 insertions, 2 deletions

diff --git a/tests/libqos/virtio-pci.h b/tests/libqos/virtio-pci.h
index 728b4715f1..294d5567ee 100644
--- a/tests/libqos/virtio-pci.h
+++ b/tests/libqos/virtio-pci.h
@@ -14,24 +14,46 @@
 #include "libqos/pci.h"
 #include "libqos/qgraph.h"
 
+typedef struct QVirtioPCIMSIXOps QVirtioPCIMSIXOps;
+
 typedef struct QVirtioPCIDevice {
     QOSGraphObject obj;
     QVirtioDevice vdev;
     QPCIDevice *pdev;
     QPCIBar bar;
+    const QVirtioPCIMSIXOps *msix_ops;
     uint16_t config_msix_entry;
     uint64_t config_msix_addr;
     uint32_t config_msix_data;
+
+    int bar_idx;
+
+    /* VIRTIO 1.0 */
+    uint32_t common_cfg_offset;
+    uint32_t notify_cfg_offset;
+    uint32_t notify_off_multiplier;
+    uint32_t isr_cfg_offset;
+    uint32_t device_cfg_offset;
 } QVirtioPCIDevice;
 
+struct QVirtioPCIMSIXOps {
+    /* Set the Configuration Vector for MSI-X */
+    void (*set_config_vector)(QVirtioPCIDevice *d, uint16_t entry);
+
+    /* Set the Queue Vector for MSI-X */
+    void (*set_queue_vector)(QVirtioPCIDevice *d, uint16_t vq_idx,
+                             uint16_t entry);
+};
+
 typedef struct QVirtQueuePCI {
     QVirtQueue vq;
     uint16_t msix_entry;
     uint64_t msix_addr;
     uint32_t msix_data;
-} QVirtQueuePCI;
 
-extern const QVirtioBus qvirtio_pci;
+    /* VIRTIO 1.0 */
+    uint64_t notify_offset;
+} QVirtQueuePCI;
 
 void virtio_pci_init(QVirtioPCIDevice *dev, QPCIBus *bus, QPCIAddress * addr);
 QVirtioPCIDevice *virtio_pci_new(QPCIBus *bus, QPCIAddress * addr);
@@ -53,4 +75,12 @@ void qvirtio_pci_set_msix_configuration_vector(QVirtioPCIDevice *d,
                                         QGuestAllocator *alloc, uint16_t entry);
 void qvirtqueue_pci_msix_setup(QVirtioPCIDevice *d, QVirtQueuePCI *vqpci,
                                         QGuestAllocator *alloc, uint16_t entry);
+
+/* Used by Legacy and Modern virtio-pci code */
+QVirtQueue *qvirtio_pci_virtqueue_setup_common(QVirtioDevice *d,
+                                               QGuestAllocator *alloc,
+                                               uint16_t index);
+void qvirtio_pci_virtqueue_cleanup_common(QVirtQueue *vq,
+                                          QGuestAllocator *alloc);
+
 #endif