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authorGreg Kurz <groug@kaod.org>2018-12-21 01:36:53 +0100
committerDavid Gibson <david@gibson.dropbear.id.au>2019-01-09 09:28:14 +1100
commit1da85c2ae691d5afae106feb419720838a693aac (patch)
tree7c23ffa83955484aa0c38dc6fb15132bbee201b1 /include/hw/pci-host
parentc13ee169115a4ad950e765e1bb5b9e6968aa8dfd (diff)
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spapr_pci: Define SPAPR_MAX_PHBS in hw/pci-host/spapr.h
PHB hotplug will bring more users for it. Let's define it along with the PHB defines from which it is derived for simplicity. While here fix a misleading comment about manual placement, which was abandoned with 30b3bc5aa9f4. Signed-off-by: Greg Kurz <groug@kaod.org> Reviewed-by: Cédric Le Goater <clg@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'include/hw/pci-host')
-rw-r--r--include/hw/pci-host/spapr.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h
index a65cfef..4eb3a2c 100644
--- a/include/hw/pci-host/spapr.h
+++ b/include/hw/pci-host/spapr.h
@@ -94,11 +94,13 @@ struct sPAPRPHBState {
((1ULL << 32) - SPAPR_PCI_MEM_WIN_BUS_OFFSET)
#define SPAPR_PCI_MEM64_WIN_SIZE 0x10000000000ULL /* 1 TiB */
-/* Without manual configuration, all PCI outbound windows will be
- * within this range */
+/* All PCI outbound windows will be within this range */
#define SPAPR_PCI_BASE (1ULL << 45) /* 32 TiB */
#define SPAPR_PCI_LIMIT (1ULL << 46) /* 64 TiB */
+#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
+ SPAPR_PCI_MEM64_WIN_SIZE - 1)
+
#define SPAPR_PCI_2_7_MMIO_WIN_SIZE 0xf80000000
#define SPAPR_PCI_IO_WIN_SIZE 0x10000