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From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	Eric Auger <eric.auger@redhat.com>,
	Shannon Zhao <shannon.zhaosl@gmail.com>,
	qemu-arm@nongnu.org, Ani Sinha <ani@anisinha.ca>,
	Igor Mammedov <imammedo@redhat.com>
Subject: [PULL 43/57] acpi: arm/virt: convert build_iort() to endian agnostic build_append_FOO() API
Date: Tue, 5 Oct 2021 12:03:54 -0400	[thread overview]
Message-ID: <20211005155946.513818-44-mst@redhat.com> (raw)
In-Reply-To: <20211005155946.513818-1-mst@redhat.com>

From: Igor Mammedov <imammedo@redhat.com>

Drop usage of packed structures and explicit endian conversions
when building IORT table use endian agnostic build_append_int_noprefix()
API to build it.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20210924122802.1455362-30-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
---
 include/hw/acpi/acpi-defs.h |  71 ----------------
 hw/arm/virt-acpi-build.c    | 156 ++++++++++++++++++++----------------
 2 files changed, 89 insertions(+), 138 deletions(-)

diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index 195f90caf6..6f2f08a9de 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -188,75 +188,4 @@ struct AcpiGenericTimerTable {
 } QEMU_PACKED;
 typedef struct AcpiGenericTimerTable AcpiGenericTimerTable;
 
-/*
- * IORT node types
- */
-
-#define ACPI_IORT_NODE_HEADER_DEF   /* Node format common fields */ \
-    uint8_t  type;          \
-    uint16_t length;        \
-    uint8_t  revision;      \
-    uint32_t reserved;      \
-    uint32_t mapping_count; \
-    uint32_t mapping_offset;
-
-/* Values for node Type above */
-enum {
-        ACPI_IORT_NODE_ITS_GROUP = 0x00,
-        ACPI_IORT_NODE_NAMED_COMPONENT = 0x01,
-        ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02,
-        ACPI_IORT_NODE_SMMU = 0x03,
-        ACPI_IORT_NODE_SMMU_V3 = 0x04
-};
-
-struct AcpiIortIdMapping {
-    uint32_t input_base;
-    uint32_t id_count;
-    uint32_t output_base;
-    uint32_t output_reference;
-    uint32_t flags;
-} QEMU_PACKED;
-typedef struct AcpiIortIdMapping AcpiIortIdMapping;
-
-struct AcpiIortMemoryAccess {
-    uint32_t cache_coherency;
-    uint8_t  hints;
-    uint16_t reserved;
-    uint8_t  memory_flags;
-} QEMU_PACKED;
-typedef struct AcpiIortMemoryAccess AcpiIortMemoryAccess;
-
-struct AcpiIortItsGroup {
-    ACPI_IORT_NODE_HEADER_DEF
-    uint32_t its_count;
-    uint32_t identifiers[];
-} QEMU_PACKED;
-typedef struct AcpiIortItsGroup AcpiIortItsGroup;
-
-#define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE 1
-
-struct AcpiIortSmmu3 {
-    ACPI_IORT_NODE_HEADER_DEF
-    uint64_t base_address;
-    uint32_t flags;
-    uint32_t reserved2;
-    uint64_t vatos_address;
-    uint32_t model;
-    uint32_t event_gsiv;
-    uint32_t pri_gsiv;
-    uint32_t gerr_gsiv;
-    uint32_t sync_gsiv;
-    AcpiIortIdMapping id_mapping_array[];
-} QEMU_PACKED;
-typedef struct AcpiIortSmmu3 AcpiIortSmmu3;
-
-struct AcpiIortRC {
-    ACPI_IORT_NODE_HEADER_DEF
-    AcpiIortMemoryAccess memory_properties;
-    uint32_t ats_attribute;
-    uint32_t pci_segment_number;
-    AcpiIortIdMapping id_mapping_array[];
-} QEMU_PACKED;
-typedef struct AcpiIortRC AcpiIortRC;
-
 #endif
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 42ea460313..8c382915a9 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -240,6 +240,28 @@ static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
 }
 #endif
 
+#define ID_MAPPING_ENTRY_SIZE 20
+#define SMMU_V3_ENTRY_SIZE 60
+#define ROOT_COMPLEX_ENTRY_SIZE 32
+#define IORT_NODE_OFFSET 48
+
+static void build_iort_id_mapping(GArray *table_data, uint32_t input_base,
+                                  uint32_t id_count, uint32_t out_ref)
+{
+    /* Identity RID mapping covering the whole input RID range */
+    build_append_int_noprefix(table_data, input_base, 4); /* Input base */
+    build_append_int_noprefix(table_data, id_count, 4); /* Number of IDs */
+    build_append_int_noprefix(table_data, input_base, 4); /* Output base */
+    build_append_int_noprefix(table_data, out_ref, 4); /* Output Reference */
+    build_append_int_noprefix(table_data, 0, 4); /* Flags */
+}
+
+struct AcpiIortIdMapping {
+    uint32_t input_base;
+    uint32_t id_count;
+};
+typedef struct AcpiIortIdMapping AcpiIortIdMapping;
+
 /* Build the iort ID mapping to SMMUv3 for a given PCI host bridge */
 static int
 iort_host_bridges(Object *obj, void *opaque)
@@ -282,17 +304,16 @@ static void
 build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
 {
     int i, nb_nodes, rc_mapping_count;
-    AcpiIortIdMapping *idmap;
-    AcpiIortItsGroup *its;
-    AcpiIortSmmu3 *smmu;
-    AcpiIortRC *rc;
-    const uint32_t iort_node_offset = 48;
+    const uint32_t iort_node_offset = IORT_NODE_OFFSET;
     size_t node_size, smmu_offset = 0;
+    AcpiIortIdMapping *idmap;
     GArray *smmu_idmaps = g_array_new(false, true, sizeof(AcpiIortIdMapping));
     GArray *its_idmaps = g_array_new(false, true, sizeof(AcpiIortIdMapping));
 
     AcpiTable table = { .sig = "IORT", .rev = 0, .oem_id = vms->oem_id,
                         .oem_table_id = vms->oem_table_id };
+    /* Table 2 The IORT */
+    acpi_table_begin(&table, table_data);
 
     if (vms->iommu == VIRT_IOMMU_SMMUV3) {
         AcpiIortIdMapping next_range = {0};
@@ -330,100 +351,101 @@ build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
         nb_nodes = 2; /* RC, ITS */
         rc_mapping_count = 1;
     }
-
-    /* Table 2 The IORT */
-    acpi_table_begin(&table, table_data);
     /* Number of IORT Nodes */
     build_append_int_noprefix(table_data, nb_nodes, 4);
+
     /* Offset to Array of IORT Nodes */
-    build_append_int_noprefix(table_data, iort_node_offset, 4);
+    build_append_int_noprefix(table_data, IORT_NODE_OFFSET, 4);
     build_append_int_noprefix(table_data, 0, 4); /* Reserved */
 
-    /* ITS group node */
-    node_size =  sizeof(*its) + sizeof(uint32_t);
-    its = acpi_data_push(table_data, node_size);
-
-    its->type = ACPI_IORT_NODE_ITS_GROUP;
-    its->length = cpu_to_le16(node_size);
-    its->its_count = cpu_to_le32(1);
-    its->identifiers[0] = 0; /* MADT translation_id */
+    /* 3.1.1.3 ITS group node */
+    build_append_int_noprefix(table_data, 0 /* ITS Group */, 1); /* Type */
+    node_size =  20 /* fixed header size */ + 4 /* 1 GIC ITS Identifier */;
+    build_append_int_noprefix(table_data, node_size, 2); /* Length */
+    build_append_int_noprefix(table_data, 0, 1); /* Revision */
+    build_append_int_noprefix(table_data, 0, 4); /* Reserved */
+    build_append_int_noprefix(table_data, 0, 4); /* Number of ID mappings */
+    build_append_int_noprefix(table_data, 0, 4); /* Reference to ID Array */
+    build_append_int_noprefix(table_data, 1, 4); /* Number of ITSs */
+    /* GIC ITS Identifier Array */
+    build_append_int_noprefix(table_data, 0 /* MADT translation_id */, 4);
 
     if (vms->iommu == VIRT_IOMMU_SMMUV3) {
         int irq =  vms->irqmap[VIRT_SMMU] + ARM_SPI_BASE;
 
-        /* SMMUv3 node */
-        smmu_offset = iort_node_offset + node_size;
-        node_size = sizeof(*smmu) + sizeof(*idmap);
-        smmu = acpi_data_push(table_data, node_size);
+        smmu_offset = table_data->len - table.table_offset;
+        /* 3.1.1.2 SMMUv3 */
+        build_append_int_noprefix(table_data, 4 /* SMMUv3 */, 1); /* Type */
+        node_size =  SMMU_V3_ENTRY_SIZE + ID_MAPPING_ENTRY_SIZE;
+        build_append_int_noprefix(table_data, node_size, 2); /* Length */
+        build_append_int_noprefix(table_data, 0, 1); /* Revision */
+        build_append_int_noprefix(table_data, 0, 4); /* Reserved */
+        build_append_int_noprefix(table_data, 1, 4); /* Number of ID mappings */
+        /* Reference to ID Array */
+        build_append_int_noprefix(table_data, SMMU_V3_ENTRY_SIZE, 4);
+        /* Base address */
+        build_append_int_noprefix(table_data, vms->memmap[VIRT_SMMU].base, 8);
+        /* Flags */
+        build_append_int_noprefix(table_data, 1 /* COHACC OverrideNote */, 4);
+        build_append_int_noprefix(table_data, 0, 4); /* Reserved */
+        build_append_int_noprefix(table_data, 0, 8); /* VATOS address */
+        /* Model */
+        build_append_int_noprefix(table_data, 0 /* Generic SMMU-v3 */, 4);
+        build_append_int_noprefix(table_data, irq, 4); /* Event */
+        build_append_int_noprefix(table_data, irq + 1, 4); /* PRI */
+        build_append_int_noprefix(table_data, irq + 3, 4); /* GERR */
+        build_append_int_noprefix(table_data, irq + 2, 4); /* Sync */
 
-        smmu->type = ACPI_IORT_NODE_SMMU_V3;
-        smmu->length = cpu_to_le16(node_size);
-        smmu->mapping_count = cpu_to_le32(1);
-        smmu->mapping_offset = cpu_to_le32(sizeof(*smmu));
-        smmu->base_address = cpu_to_le64(vms->memmap[VIRT_SMMU].base);
-        smmu->flags = cpu_to_le32(ACPI_IORT_SMMU_V3_COHACC_OVERRIDE);
-        smmu->event_gsiv = cpu_to_le32(irq);
-        smmu->pri_gsiv = cpu_to_le32(irq + 1);
-        smmu->sync_gsiv = cpu_to_le32(irq + 2);
-        smmu->gerr_gsiv = cpu_to_le32(irq + 3);
-
-        /* Identity RID mapping covering the whole input RID range */
-        idmap = &smmu->id_mapping_array[0];
-        idmap->input_base = 0;
-        idmap->id_count = cpu_to_le32(0xFFFF);
-        idmap->output_base = 0;
         /* output IORT node is the ITS group node (the first node) */
-        idmap->output_reference = cpu_to_le32(iort_node_offset);
+        build_iort_id_mapping(table_data, 0, 0xFFFF, IORT_NODE_OFFSET);
     }
 
-    /* Root Complex Node */
-    node_size = sizeof(*rc) + sizeof(*idmap) * rc_mapping_count;
-    rc = acpi_data_push(table_data, node_size);
+    /* Table 16 Root Complex Node */
+    build_append_int_noprefix(table_data, 2 /* Root complex */, 1); /* Type */
+    node_size =  ROOT_COMPLEX_ENTRY_SIZE +
+                 ID_MAPPING_ENTRY_SIZE * rc_mapping_count;
+    build_append_int_noprefix(table_data, node_size, 2); /* Length */
+    build_append_int_noprefix(table_data, 0, 1); /* Revision */
+    build_append_int_noprefix(table_data, 0, 4); /* Reserved */
+    /* Number of ID mappings */
+    build_append_int_noprefix(table_data, rc_mapping_count, 4);
+    /* Reference to ID Array */
+    build_append_int_noprefix(table_data, ROOT_COMPLEX_ENTRY_SIZE, 4);
 
-    rc->type = ACPI_IORT_NODE_PCI_ROOT_COMPLEX;
-    rc->length = cpu_to_le16(node_size);
-    rc->mapping_count = cpu_to_le32(rc_mapping_count);
-    rc->mapping_offset = cpu_to_le32(sizeof(*rc));
+    /* Table 13 Memory access properties */
+    /* CCA: Cache Coherent Attribute */
+    build_append_int_noprefix(table_data, 1 /* fully coherent */, 4);
+    build_append_int_noprefix(table_data, 0, 1); /* AH: Note Allocation Hints */
+    build_append_int_noprefix(table_data, 0, 2); /* Reserved */
+    /* MAF: Note Memory Access Flags */
+    build_append_int_noprefix(table_data, 0x3 /* CCA = CPM = DCAS = 1 */, 1);
 
-    /* fully coherent device */
-    rc->memory_properties.cache_coherency = cpu_to_le32(1);
-    rc->memory_properties.memory_flags = 0x3; /* CCA = CPM = DCAS = 1 */
-    rc->pci_segment_number = 0; /* MCFG pci_segment */
+    build_append_int_noprefix(table_data, 0, 4); /* ATS Attribute */
+    /* MCFG pci_segment */
+    build_append_int_noprefix(table_data, 0, 4); /* PCI Segment number */
 
+    /* Output Reference */
     if (vms->iommu == VIRT_IOMMU_SMMUV3) {
         AcpiIortIdMapping *range;
 
         /* translated RIDs connect to SMMUv3 node: RC -> SMMUv3 -> ITS */
         for (i = 0; i < smmu_idmaps->len; i++) {
-            idmap = &rc->id_mapping_array[i];
             range = &g_array_index(smmu_idmaps, AcpiIortIdMapping, i);
-
-            idmap->input_base = cpu_to_le32(range->input_base);
-            idmap->id_count = cpu_to_le32(range->id_count);
-            idmap->output_base = cpu_to_le32(range->input_base);
             /* output IORT node is the smmuv3 node */
-            idmap->output_reference = cpu_to_le32(smmu_offset);
+            build_iort_id_mapping(table_data, range->input_base,
+                                  range->id_count, smmu_offset);
         }
 
         /* bypassed RIDs connect to ITS group node directly: RC -> ITS */
         for (i = 0; i < its_idmaps->len; i++) {
-            idmap = &rc->id_mapping_array[smmu_idmaps->len + i];
             range = &g_array_index(its_idmaps, AcpiIortIdMapping, i);
-
-            idmap->input_base = cpu_to_le32(range->input_base);
-            idmap->id_count = cpu_to_le32(range->id_count);
-            idmap->output_base = cpu_to_le32(range->input_base);
             /* output IORT node is the ITS group node (the first node) */
-            idmap->output_reference = cpu_to_le32(iort_node_offset);
+            build_iort_id_mapping(table_data, range->input_base,
+                                  range->id_count, iort_node_offset);
         }
     } else {
-        /* Identity RID mapping covering the whole input RID range */
-        idmap = &rc->id_mapping_array[0];
-        idmap->input_base = cpu_to_le32(0);
-        idmap->id_count = cpu_to_le32(0xFFFF);
-        idmap->output_base = cpu_to_le32(0);
         /* output IORT node is the ITS group node (the first node) */
-        idmap->output_reference = cpu_to_le32(iort_node_offset);
+        build_iort_id_mapping(table_data, 0, 0xFFFF, IORT_NODE_OFFSET);
     }
 
     acpi_table_end(linker, &table);
-- 
MST



  parent reply	other threads:[~2021-10-05 17:08 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-05 16:00 [PULL 00/57] pc,pci,virtio: features, fixes Michael S. Tsirkin
2021-10-05 16:00 ` [PULL 01/57] hw/virtio: Acquire RCU read lock in virtqueue_packed_drop_all() Michael S. Tsirkin
2021-10-05 16:00 ` [PULL 02/57] hw/virtio: Have virtqueue_get_avail_bytes() pass caches arg to callees Michael S. Tsirkin
2021-10-05 16:00 ` [PULL 03/57] vhost-vdpa: open device fd in net_init_vhost_vdpa() Michael S. Tsirkin
2021-10-05 16:00 ` [PULL 04/57] vhost-vdpa: classify one time request Michael S. Tsirkin
2021-10-05 16:00 ` [PULL 05/57] vhost-vdpa: prepare for the multiqueue support Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 06/57] vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState * Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 07/57] net: introduce control client Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 08/57] vhost-net: control virtqueue support Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 09/57] virtio-net: use "queue_pairs" instead of "queues" when possible Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 10/57] vhost: record the last virtqueue index for the virtio device Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 11/57] virtio-net: vhost control virtqueue support Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 12/57] vhost-vdpa: multiqueue support Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 13/57] vhost-vsock: fix migration issue when seqpacket is supported Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 14/57] vhost-vsock: handle common features in vhost-vsock-common Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 15/57] acpi: add helper routines to initialize ACPI tables Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 16/57] acpi: build_rsdt: use acpi_table_begin()/acpi_table_end() instead of build_header() Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 17/57] acpi: build_xsdt: " Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 18/57] acpi: build_slit: " Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 19/57] acpi: build_fadt: " Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 20/57] acpi: build_tpm2: " Michael S. Tsirkin
2021-10-05 16:01 ` [PULL 21/57] acpi: acpi_build_hest: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 22/57] acpi: build_mcfg: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 23/57] acpi: build_hmat: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 24/57] acpi: nvdimm_build_nfit: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 25/57] acpi: nvdimm_build_ssdt: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 26/57] acpi: vmgenid_build_acpi: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 27/57] acpi: x86: build_dsdt: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 28/57] acpi: build_hpet: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 29/57] acpi: build_tpm_tcpa: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 30/57] acpi: arm/x86: build_srat: " Michael S. Tsirkin
2021-10-05 16:02 ` [PULL 31/57] acpi: use build_append_int_noprefix() API to compose SRAT table Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 32/57] acpi: build_dmar_q35: use acpi_table_begin()/acpi_table_end() instead of build_header() Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 33/57] acpi: build_waet: " Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 34/57] acpi: build_amd_iommu: " Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 35/57] acpi: madt: arm/x86: " Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 36/57] acpi: x86: remove dead code Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 37/57] acpi: x86: set enabled when composing _MAT entries Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 38/57] acpi: x86: madt: use build_append_int_noprefix() API to compose MADT table Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 39/57] acpi: arm/virt: " Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 40/57] acpi: build_dsdt_microvm: use acpi_table_begin()/acpi_table_end() instead of build_header() Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 41/57] acpi: arm: virt: build_dsdt: " Michael S. Tsirkin
2021-10-05 16:03 ` [PULL 42/57] acpi: arm: virt: build_iort: " Michael S. Tsirkin
2021-10-05 16:03 ` Michael S. Tsirkin [this message]
2021-10-05 16:03 ` [PULL 44/57] acpi: arm/virt: build_spcr: fix invalid cast Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 45/57] acpi: arm/virt: build_spcr: use acpi_table_begin()/acpi_table_end() instead of build_header() Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 46/57] acpi: arm/virt: build_gtdt: " Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 47/57] acpi: build_facs: use build_append_int_noprefix() API to compose table Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 48/57] acpi: remove no longer used build_header() Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 49/57] acpi: AcpiGenericAddress no longer used to map/access fields of MMIO, drop packed attribute Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 50/57] bios-tables-test: allow changes in DSDT ACPI tables for q35 Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 51/57] hw/i386/acpi: fix conflicting IO address range for acpi pci hotplug in q35 Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 52/57] bios-tables-test: Update ACPI DSDT table golden blobs for q35 Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 53/57] virtio-balloon: Fix page-poison subsection name Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 54/57] nvdimm: release the correct device list Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 55/57] hw/i386/amd_iommu: Rename amdviPCI TypeInfo Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 56/57] hw/i386/amd_iommu: Rename SysBus specific functions as amdvi_sysbus_X() Michael S. Tsirkin
2021-10-05 16:04 ` [PULL 57/57] hw/i386/amd_iommu: Add description/category to TYPE_AMD_IOMMU_PCI Michael S. Tsirkin
2021-10-05 17:21 ` [PULL 00/57] pc,pci,virtio: features, fixes Richard Henderson
2021-10-05 21:32   ` Michael S. Tsirkin
2021-10-05 23:36     ` Richard Henderson
2021-10-11  3:32     ` Jason Wang

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