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

virtio,pc,pci: features, cleanups, fixes

vhost-user enabled on non-linux systems
beginning of nvme sriov support
bigger tx queue for vdpa
virtio iommu bypass
FADT flag to detect legacy keyboards

Fixes, cleanups all over the place

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

# gpg: Signature made Mon 07 Mar 2022 22:43:31 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# 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: (47 commits)
  hw/acpi/microvm: turn on 8042 bit in FADT boot architecture flags if present
  tests/acpi: i386: update FACP table differences
  hw/acpi: add indication for i8042 in IA-PC boot flags of the FADT table
  tests/acpi: i386: allow FACP acpi table changes
  docs: vhost-user: add subsection for non-Linux platforms
  configure, meson: allow enabling vhost-user on all POSIX systems
  vhost: use wfd on functions setting vring call fd
  event_notifier: add event_notifier_get_wfd()
  pci: drop COMPAT_PROP_PCP for 2.0 machine types
  hw/smbios: Add table 4 parameter, "processor-id"
  x86: cleanup unused compat_apic_id_mode
  vhost-vsock: detach the virqueue element in case of error
  pc: add option to disable PS/2 mouse/keyboard
  acpi: pcihp: pcie: set power on cap on parent slot
  pci: expose TYPE_XIO3130_DOWNSTREAM name
  pci: show id info when pci BDF conflict
  hw/misc/pvpanic: Use standard headers instead
  headers: Add pvpanic.h
  pci-bridge/xio3130_downstream: Fix error handling
  pci-bridge/xio3130_upstream: Fix error handling
  ...

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

# Conflicts:
#	docs/specs/index.rst

1 files changed, 77 insertions, 0 deletions

diff --git a/include/hw/pci/pcie_sriov.h b/include/hw/pci/pcie_sriov.h
new file mode 100644
index 0000000000..80f5c84e75
--- /dev/null
+++ b/include/hw/pci/pcie_sriov.h
@@ -0,0 +1,77 @@
+/*
+ * pcie_sriov.h:
+ *
+ * Implementation of SR/IOV emulation support.
+ *
+ * Copyright (c) 2015 Knut Omang <knut.omang@oracle.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QEMU_PCIE_SRIOV_H
+#define QEMU_PCIE_SRIOV_H
+
+struct PCIESriovPF {
+    uint16_t num_vfs;   /* Number of virtual functions created */
+    uint8_t vf_bar_type[PCI_NUM_REGIONS];   /* Store type for each VF bar */
+    const char *vfname; /* Reference to the device type used for the VFs */
+    PCIDevice **vf;     /* Pointer to an array of num_vfs VF devices */
+};
+
+struct PCIESriovVF {
+    PCIDevice *pf;      /* Pointer back to owner physical function */
+    uint16_t vf_number; /* Logical VF number of this function */
+};
+
+void pcie_sriov_pf_init(PCIDevice *dev, uint16_t offset,
+                        const char *vfname, uint16_t vf_dev_id,
+                        uint16_t init_vfs, uint16_t total_vfs,
+                        uint16_t vf_offset, uint16_t vf_stride);
+void pcie_sriov_pf_exit(PCIDevice *dev);
+
+/* Set up a VF bar in the SR/IOV bar area */
+void pcie_sriov_pf_init_vf_bar(PCIDevice *dev, int region_num,
+                               uint8_t type, dma_addr_t size);
+
+/* Instantiate a bar for a VF */
+void pcie_sriov_vf_register_bar(PCIDevice *dev, int region_num,
+                                MemoryRegion *memory);
+
+/*
+ * Default (minimal) page size support values
+ * as required by the SR/IOV standard:
+ * 0x553 << 12 = 0x553000 = 4K + 8K + 64K + 256K + 1M + 4M
+ */
+#define SRIOV_SUP_PGSIZE_MINREQ 0x553
+
+/*
+ * Optionally add supported page sizes to the mask of supported page sizes
+ * Page size values are interpreted as opt_sup_pgsize << 12.
+ */
+void pcie_sriov_pf_add_sup_pgsize(PCIDevice *dev, uint16_t opt_sup_pgsize);
+
+/* SR/IOV capability config write handler */
+void pcie_sriov_config_write(PCIDevice *dev, uint32_t address,
+                             uint32_t val, int len);
+
+/* Reset SR/IOV VF Enable bit to unregister all VFs */
+void pcie_sriov_pf_disable_vfs(PCIDevice *dev);
+
+/* Get logical VF number of a VF - only valid for VFs */
+uint16_t pcie_sriov_vf_number(PCIDevice *dev);
+
+/*
+ * Get the physical function that owns this VF.
+ * Returns NULL if dev is not a virtual function
+ */
+PCIDevice *pcie_sriov_get_pf(PCIDevice *dev);
+
+/*
+ * Get the n-th VF of this physical function - only valid for PF.
+ * Returns NULL if index is invalid
+ */
+PCIDevice *pcie_sriov_get_vf_at_index(PCIDevice *dev, int n);
+
+#endif /* QEMU_PCIE_SRIOV_H */