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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 30b3bc5aa9.

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>
This commit is contained in:
Greg Kurz 2018-12-21 01:36:53 +01:00 committed by David Gibson
parent c13ee16911
commit 1da85c2ae6
2 changed files with 4 additions and 4 deletions
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2
hw/ppc/spapr.c
View File

@ -3840,8 +3840,6 @@ static void spapr_phb_placement(sPAPRMachineState *spapr, uint32_t index,
* 1TiB 64-bit MMIO windows for each PHB.
*/
const uint64_t base_buid = 0x800000020000000ULL;
#define SPAPR_MAX_PHBS ((SPAPR_PCI_LIMIT - SPAPR_PCI_BASE) / \
SPAPR_PCI_MEM64_WIN_SIZE - 1)
int i;
/* Sanity check natural alignments */

6
include/hw/pci-host/spapr.h
View File

@ -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