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s390x/pci: code cleanup

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Now that each S390 PCI device uses an IO region as MSIX region. The
code in s390_translate_iommu() will never be triggered. Let's remove
it.

Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Yi Min Zhao 2016-09-06 14:01:29 +08:00 • committed by Christian Borntraeger
parent 8f95595072
commit bfcec59a23
1 changed files with 0 additions and 11 deletions
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11
hw/s390x/s390-pci-bus.c
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@ -404,17 +404,6 @@ static IOMMUTLBEntry s390_translate_iommu(MemoryRegion *iommu, hwaddr addr,
DPRINTF("iommu trans addr 0x%" PRIx64 "\n", addr); DPRINTF("iommu trans addr 0x%" PRIx64 "\n", addr);
/* s390 does not have an APIC mapped to main storage so we use
* a separate AddressSpace only for msix notifications
*/
if (addr == ZPCI_MSI_ADDR) {
ret.iova = addr;
ret.translated_addr = addr;
ret.addr_mask = 0xfff;
ret.perm = IOMMU_RW;
return ret;
}
if (addr < pbdev->pba || addr > pbdev->pal) { if (addr < pbdev->pba || addr > pbdev->pal) {
return ret; return ret;
} }