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Virtio add more logging

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Ernest Wong 2018-05-31 22:50:25 +12:00 committed by Fabian
parent 39486e0705
commit 9ad3df28c8
1 changed files with 12 additions and 3 deletions
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15
src/virtio.js
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@ -848,13 +848,13 @@ VirtIO.prototype.init_capabilities = function(capabilities)
};
write = data =>
{
field.write(data);
dbg_log("Device<" + this.name + "> " +
"cap[" + cap.type + "] " +
"write[" + field.name + "] " +
"<= " + h(data, field.bytes * 8),
LOG_VIRTIO);
field.write(data);
};
}
@ -1009,12 +1009,14 @@ VirtIO.prototype.needs_reset = function()
VirtIO.prototype.raise_irq = function(type)
{
dbg_log("Raise irq " + h(type), LOG_VIRTIO);
this.isr_status |= type;
this.pci.raise_irq(this.pci_id);
};
VirtIO.prototype.lower_irq = function()
{
dbg_log("Lower irq ", LOG_VIRTIO);
this.isr_status = 0;
this.pci.lower_irq(this.pci_id);
};
@ -1156,6 +1158,9 @@ VirtQueue.prototype.pop_request = function()
dbg_assert(this.has_request(), "VirtQueue must not pop nonexistent request");
var desc_idx = this.avail.get_entry(this.avail_last_idx);
dbg_log("Pop request: avail_last_idx=" + this.avail_last_idx +
" desc_idx=" + desc_idx, LOG_VIRTIO);
var bufchain = new VirtQueueBufferChain(this, desc_idx);
this.avail_last_idx = this.avail_last_idx + 1 & this.mask;
@ -1175,6 +1180,9 @@ VirtQueue.prototype.push_reply = function(bufchain)
dbg_assert(this.num_staged_replies < this.size, "VirtQueue replies must not exceed queue size");
var used_idx = this.used.get_idx() + this.num_staged_replies & this.mask;
dbg_log("Push reply: used_idx=" + used_idx +
" desc_idx=" + bufchain.head_idx, LOG_VIRTIO);
this.used.set_entry_id(used_idx, bufchain.head_idx);
this.used.set_entry_len(used_idx, bufchain.length_written);
this.num_staged_replies++;
@ -1190,10 +1198,11 @@ VirtQueue.prototype.flush_replies = function()
if(this.num_staged_replies === 0)
{
// Nothing to flush.
dbg_log("flush_replies: Nothing to flush", LOG_VIRTIO);
return;
}
dbg_log("Flushing " + this.num_staged_replies + " replies", LOG_VIRTIO);
var old_idx = this.used.get_idx();
var new_idx = old_idx + this.num_staged_replies & VIRTQ_IDX_MASK;
this.used.set_idx(new_idx);