Messages in this thread |  | | Date | Fri, 15 Aug 2008 23:42:25 -0700 | | From | "Yinghai Lu" <> | | Subject | Re: [PATCH] pci: change msi-x vector to 32bit |
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On Fri, Aug 15, 2008 at 8:26 PM, H. Peter Anvin <hpa@zytor.com> wrote: > The 28 bits aren't enough, are they: we need domain as well (and surely we can have more than 16 domains?)
current code static unsigned int build_irq_for_pci_dev(struct pci_dev *dev) { unsigned int irq;
irq = dev->bus->number; irq <<= 8; irq |= dev->devfn; irq <<= 12;
return irq; }
int arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc) { unsigned int irq; int ret; unsigned int irq_want;
irq_want = build_irq_for_pci_dev(dev) + 0x100;
irq = create_irq(irq_want);
domain is not used yet.
need to make vecter_irq to vector_domain_irq
irq_desc(irq) change to domain_irq_desc(domain, irq)
...
YH
YH
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