diff options
| author | Greg Kurz <groug@kaod.org> | 2018-12-21 01:36:53 +0100 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-01-09 09:28:14 +1100 |
| commit | 1da85c2ae691d5afae106feb419720838a693aac (patch) | |
| tree | 7c23ffa83955484aa0c38dc6fb15132bbee201b1 /include/hw | |
| parent | c13ee169115a4ad950e765e1bb5b9e6968aa8dfd (diff) | |
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')
| -rw-r--r-- | include/hw/pci-host/spapr.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/hw/pci-host/spapr.h b/include/hw/pci-host/spapr.h index a65cfef169..4eb3a2ce3e 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 |