Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

virtio,pc,pci: features, cleanups, fixes

more memslots support in libvhost-user
support PCIe Gen5/Gen6 link speeds in pcie
more traces in vdpa
network simulation devices support in vdpa
SMBIOS type 9 descriptor implementation
Bump max_cpus to 4096 vcpus in q35
aw-bits and granule options in VIRTIO-IOMMU
Support report NUMA nodes for device memory using GI in acpi
Beginning of shutdown event support in pvpanic

fixes, cleanups all over the place.

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

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu: (68 commits)
  docs/specs/pvpanic: document shutdown event
  hw/cxl: Fix missing reserved data in CXL Device DVSEC
  hmat acpi: Fix out of bounds access due to missing use of indirection
  hmat acpi: Do not add Memory Proximity Domain Attributes Structure targetting non existent memory.
  qemu-options.hx: Document the virtio-iommu-pci aw-bits option
  hw/arm/virt: Set virtio-iommu aw-bits default value to 48
  hw/i386/q35: Set virtio-iommu aw-bits default value to 39
  virtio-iommu: Add an option to define the input range width
  virtio-iommu: Trace domain range limits as unsigned int
  qemu-options.hx: Document the virtio-iommu-pci granule option
  virtio-iommu: Change the default granule to the host page size
  virtio-iommu: Add a granule property
  hw/i386/acpi-build: Add support for SRAT Generic Initiator structures
  hw/acpi: Implement the SRAT GI affinity structure
  qom: new object to associate device to NUMA node
  hw/i386/pc: Inline pc_cmos_init() into pc_cmos_init_late() and remove it
  hw/i386/pc: Set "normal" boot device order in pc_basic_device_init()
  hw/i386/pc: Avoid one use of the current_machine global
  hw/i386/pc: Remove "rtc_state" link again
  Revert "hw/i386/pc: Confine system flash handling to pc_sysfw"
  ...

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

# Conflicts:
#	hw/core/machine.c

4 files changed, 36 insertions, 0 deletions

diff --git a/include/hw/virtio/vhost-vdpa.h b/include/hw/virtio/vhost-vdpa.h
index 8f54e5edd4..0a9575b469 100644
--- a/include/hw/virtio/vhost-vdpa.h
+++ b/include/hw/virtio/vhost-vdpa.h
@@ -30,6 +30,12 @@ typedef struct VhostVDPAHostNotifier {
     void *addr;
 } VhostVDPAHostNotifier;
 
+typedef enum SVQTransitionState {
+    SVQ_TSTATE_DISABLING = -1,
+    SVQ_TSTATE_DONE,
+    SVQ_TSTATE_ENABLING
+} SVQTransitionState;
+
 /* Info shared by all vhost_vdpa device models */
 typedef struct vhost_vdpa_shared {
     int device_fd;
@@ -47,6 +53,9 @@ typedef struct vhost_vdpa_shared {
 
     /* Vdpa must send shadow addresses as IOTLB key for data queues, not GPA */
     bool shadow_data;
+
+    /* SVQ switching is in progress, or already completed? */
+    SVQTransitionState svq_switching;
 } VhostVDPAShared;
 
 typedef struct vhost_vdpa {
diff --git a/include/hw/virtio/virtio-iommu.h b/include/hw/virtio/virtio-iommu.h
index 781ebaea8f..83a52cc446 100644
--- a/include/hw/virtio/virtio-iommu.h
+++ b/include/hw/virtio/virtio-iommu.h
@@ -24,6 +24,7 @@
 #include "hw/virtio/virtio.h"
 #include "hw/pci/pci.h"
 #include "qom/object.h"
+#include "qapi/qapi-types-virtio.h"
 
 #define TYPE_VIRTIO_IOMMU "virtio-iommu-device"
 #define TYPE_VIRTIO_IOMMU_PCI "virtio-iommu-pci"
@@ -66,6 +67,8 @@ struct VirtIOIOMMU {
     bool boot_bypass;
     Notifier machine_done;
     bool granule_frozen;
+    GranuleMode granule_mode;
+    uint8_t aw_bits;
 };
 
 #endif
diff --git a/include/hw/virtio/virtio-pci.h b/include/hw/virtio/virtio-pci.h
index 59d88018c1..4d57a9c751 100644
--- a/include/hw/virtio/virtio-pci.h
+++ b/include/hw/virtio/virtio-pci.h
@@ -43,6 +43,7 @@ enum {
     VIRTIO_PCI_FLAG_INIT_FLR_BIT,
     VIRTIO_PCI_FLAG_AER_BIT,
     VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT,
+    VIRTIO_PCI_FLAG_VDPA_BIT,
 };
 
 /* Need to activate work-arounds for buggy guests at vmstate load. */
@@ -89,6 +90,9 @@ enum {
 #define VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED \
   (1 << VIRTIO_PCI_FLAG_ATS_PAGE_ALIGNED_BIT)
 
+/* VDPA supported flags */
+#define VIRTIO_PCI_FLAG_VDPA (1 << VIRTIO_PCI_FLAG_VDPA_BIT)
+
 typedef struct {
     MSIMessage msg;
     int virq;
@@ -140,6 +144,7 @@ struct VirtIOPCIProxy {
         };
         VirtIOPCIRegion regs[5];
     };
+    VirtIOPCIRegion lm;
     MemoryRegion modern_bar;
     MemoryRegion io_bar;
     uint32_t legacy_io_bar_idx;
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index c8f72850bc..b3c74a1bca 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -35,6 +35,9 @@
                                 (0x1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \
                                 (0x1ULL << VIRTIO_F_ANY_LAYOUT))
 
+#define LM_DISABLE      0x00
+#define LM_ENABLE       0x01
+
 struct VirtQueue;
 
 static inline hwaddr vring_align(hwaddr addr,
@@ -95,6 +98,11 @@ enum virtio_device_endian {
     VIRTIO_DEVICE_ENDIAN_BIG,
 };
 
+typedef struct BitmapMemoryRegionCaches {
+    struct rcu_head rcu;
+    MemoryRegionCache bitmap;
+} BitmapMemoryRegionCaches;
+
 /**
  * struct VirtIODevice - common VirtIO structure
  * @name: name of the device
@@ -128,6 +136,14 @@ struct VirtIODevice
     uint32_t generation;
     int nvectors;
     VirtQueue *vq;
+    uint8_t lm_logging_ctrl;
+    uint32_t lm_base_addr_low;
+    uint32_t lm_base_addr_high;
+    uint32_t lm_end_addr_low;
+    uint32_t lm_end_addr_high;
+
+    BitmapMemoryRegionCaches *caches;
+
     MemoryListener listener;
     uint16_t device_id;
     /* @vm_running: current VM running state via virtio_vmstate_change() */
@@ -379,8 +395,11 @@ hwaddr virtio_queue_get_desc_size(VirtIODevice *vdev, int n);
 hwaddr virtio_queue_get_avail_size(VirtIODevice *vdev, int n);
 hwaddr virtio_queue_get_used_size(VirtIODevice *vdev, int n);
 unsigned int virtio_queue_get_last_avail_idx(VirtIODevice *vdev, int n);
+unsigned int virtio_queue_get_vring_states(VirtIODevice *vdev, int n);
 void virtio_queue_set_last_avail_idx(VirtIODevice *vdev, int n,
                                      unsigned int idx);
+void virtio_queue_set_vring_states(VirtIODevice *vdev, int n,
+                                   unsigned int idx);
 void virtio_queue_restore_last_avail_idx(VirtIODevice *vdev, int n);
 void virtio_queue_invalidate_signalled_used(VirtIODevice *vdev, int n);
 void virtio_queue_update_used_idx(VirtIODevice *vdev, int n);