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authorLaurent Vivier <lvivier@redhat.com>2021-12-08 14:03:47 +0100
committerThomas Huth <thuth@redhat.com>2021-12-15 08:07:04 +0100
commitefe84f03ea88db49ae9180a9ffe4634349333c4e (patch)
treeba353867b4b42e96ef27fa243e3d1bd540821bf4 /include/hw/pci
parent76b56fdfc9fa43ec6e5986aee33f108c6c6a511e (diff)
downloadfocaccia-qemu-efe84f03ea88db49ae9180a9ffe4634349333c4e.tar.gz
focaccia-qemu-efe84f03ea88db49ae9180a9ffe4634349333c4e.zip
qtest/libqos: add a function to initialize secondary PCI buses
Scan the PCI devices to find bridge and set PCI_SECONDARY_BUS and
PCI_SUBORDINATE_BUS (algorithm from seabios)

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20211208130350.10178-2-lvivier@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'include/hw/pci')
-rw-r--r--include/hw/pci/pci_bridge.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h
index a94d350034..30691a6e57 100644
--- a/include/hw/pci/pci_bridge.h
+++ b/include/hw/pci/pci_bridge.h
@@ -138,6 +138,7 @@ typedef struct PCIBridgeQemuCap {
     uint64_t mem_pref_64; /* Prefetchable memory to reserve (64-bit MMIO) */
 } PCIBridgeQemuCap;
 
+#define REDHAT_PCI_CAP_TYPE_OFFSET      3
 #define REDHAT_PCI_CAP_RESOURCE_RESERVE 1
 
 /*
@@ -152,6 +153,13 @@ typedef struct PCIResReserve {
     uint64_t mem_pref_64;
 } PCIResReserve;
 
+#define REDHAT_PCI_CAP_RES_RESERVE_BUS_RES     4
+#define REDHAT_PCI_CAP_RES_RESERVE_IO          8
+#define REDHAT_PCI_CAP_RES_RESERVE_MEM         16
+#define REDHAT_PCI_CAP_RES_RESERVE_PREF_MEM_32 20
+#define REDHAT_PCI_CAP_RES_RESERVE_PREF_MEM_64 24
+#define REDHAT_PCI_CAP_RES_RESERVE_CAP_SIZE    32
+
 int pci_bridge_qemu_reserve_cap_init(PCIDevice *dev, int cap_offset,
                                PCIResReserve res_reserve, Error **errp);