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pci: replace the magic, 256, for the maximum of devfn

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Introduce symbol PCI_SLOT_MAX for the # of slots,
and replace the magic, 256.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Isaku Yamahata 2011-01-27 15:56:35 +09:00 • committed by Michael S. Tsirkin
parent f64622c401
commit 90a20dbb28
2 changed files with 2 additions and 1 deletions
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1
hw/pci.h
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@ -16,6 +16,7 @@
#define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
#define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
#define PCI_FUNC(devfn) ((devfn) & 0x07)
#define PCI_SLOT_MAX 32
#define PCI_FUNC_MAX 8
/* Class, Vendor and Device IDs from Linux's pci_ids.h */