mirror of https://gitee.com/openkylin/qemu.git
s390x/pci: refactor s390_pci_find_dev_by_idx
s390_find_dev_by_idx() only indexes usable zpci devices. It implies that the index value of each zpci device is dynamic and may change if a new zpci device is plugged. So we have to use a constant index to look up the device. Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com> Reviewed-by: Pierre Morel <pmorel@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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@ -223,28 +223,9 @@ static S390PCIBusDevice *s390_pci_find_dev_by_target(const char *target)
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S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx)
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{
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S390PCIBusDevice *pbdev;
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int i;
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int j = 0;
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S390pciState *s = s390_get_phb();
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for (i = 0; i < PCI_SLOT_MAX; i++) {
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pbdev = s->pbdev[i];
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if (!pbdev) {
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continue;
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}
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if (pbdev->state == ZPCI_FS_RESERVED) {
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continue;
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}
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if (j == idx) {
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return pbdev;
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}
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j++;
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}
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return NULL;
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return s->pbdev[idx & FH_MASK_INDEX];
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}
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S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh)
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