Revision 776e7f0f
| b/pc-bios/s390-ccw/virtio.c | ||
|---|---|---|
| 38 | 38 |
* Virtio functions * |
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***********************************************/ |
| 40 | 40 |
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static void drain_irqs(struct subchannel_id schid)
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static int drain_irqs(struct subchannel_id schid)
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{
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struct irb irb = {};
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int r = 0; |
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| 45 |
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while (1) {
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/* FIXME: make use of TPI, for that enable subchannel and isc */ |
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| 45 | 48 |
if (tsch(schid, &irb)) {
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return; |
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/* Might want to differentiate error codes later on. */ |
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if (irb.scsw.cstat) {
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r = -EIO; |
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} else if (irb.scsw.dstat != 0xc) {
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r = -EIO; |
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} |
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return r; |
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| 47 | 56 |
} |
| 48 | 57 |
} |
| 49 | 58 |
} |
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