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authorPeter Maydell <peter.maydell@linaro.org>2024-09-10 11:19:22 +0100
committerPeter Maydell <peter.maydell@linaro.org>2024-09-10 11:19:22 +0100
commita66f28df650166ae8b50c992eea45e7b247f4143 (patch)
tree64969e540805df2810b3f09a05e3957f3e81b852 /hw/pci
parent7bbadc60b58b742494555f06cd342311ddab9351 (diff)
parent89bccecdda253c9a1a38921cf9266a4f9655c88c (diff)
downloadfocaccia-qemu-a66f28df650166ae8b50c992eea45e7b247f4143.tar.gz
focaccia-qemu-a66f28df650166ae8b50c992eea45e7b247f4143.zip
Merge tag 'migration-20240909-pull-request' of https://gitlab.com/peterx/qemu into staging
Migration pull request for 9.2

- Mattias's patch to support concurrent bounce buffers for PCI devices
- David's memory leak fix in dirty_memory_extend()
- Fabiano's CI fix to disable vmstate-static-checker test in compat tests
- Denis's patch that adds one more trace point for cpu throttle changes
- Yichen's multifd qatzip compressor support

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# gpg:                using EDDSA key B9184DC20CC457DACF7DD1A93B5FCCCDF3ABD706
# gpg:                issuer "peterx@redhat.com"
# gpg: Good signature from "Peter Xu <xzpeter@gmail.com>" [marginal]
# gpg:                 aka "Peter Xu <peterx@redhat.com>" [marginal]
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* tag 'migration-20240909-pull-request' of https://gitlab.com/peterx/qemu:
  system: improve migration debug
  tests/migration: Add integration test for 'qatzip' compression method
  migration: Introduce 'qatzip' compression method
  migration: Add migration parameters for QATzip
  meson: Introduce 'qatzip' feature to the build system
  docs/migration: add qatzip compression feature
  ci: migration: Don't run python tests in the compat job
  softmmu/physmem: fix memory leak in dirty_memory_extend()
  softmmu: Support concurrent bounce buffers

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/pci')
-rw-r--r--hw/pci/pci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index fab86d0567..d2caf3ee8b 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -85,6 +85,8 @@ static Property pci_props[] = {
                     QEMU_PCIE_ERR_UNC_MASK_BITNR, true),
     DEFINE_PROP_BIT("x-pcie-ari-nextfn-1", PCIDevice, cap_present,
                     QEMU_PCIE_ARI_NEXTFN_1_BITNR, false),
+    DEFINE_PROP_SIZE32("x-max-bounce-buffer-size", PCIDevice,
+                     max_bounce_buffer_size, DEFAULT_MAX_BOUNCE_BUFFER_SIZE),
     DEFINE_PROP_END_OF_LIST()
 };
 
@@ -1204,6 +1206,8 @@ static PCIDevice *do_pci_register_device(PCIDevice *pci_dev,
                        "bus master container", UINT64_MAX);
     address_space_init(&pci_dev->bus_master_as,
                        &pci_dev->bus_master_container_region, pci_dev->name);
+    pci_dev->bus_master_as.max_bounce_buffer_size =
+        pci_dev->max_bounce_buffer_size;
 
     if (phase_check(PHASE_MACHINE_READY)) {
         pci_init_bus_master(pci_dev);
@@ -2633,6 +2637,10 @@ static void pci_device_class_init(ObjectClass *klass, void *data)
     k->unrealize = pci_qdev_unrealize;
     k->bus_type = TYPE_PCI_BUS;
     device_class_set_props(k, pci_props);
+    object_class_property_set_description(
+        klass, "x-max-bounce-buffer-size",
+        "Maximum buffer size allocated for bounce buffers used for mapped "
+        "access to indirect DMA memory");
 }
 
 static void pci_device_class_base_init(ObjectClass *klass, void *data)