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hyperv/vmbus: Get rid of rel{_id,id}, use channel id consistently.
MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D7100
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parent
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commit
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=302806
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@ -897,25 +897,23 @@ vmbus_event_flags_proc(struct vmbus_softc *sc, volatile u_long *event_flags,
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int f;
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for (f = 0; f < flag_cnt; ++f) {
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uint32_t rel_id_base;
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uint32_t chid_base;
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u_long flags;
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int bit;
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int chid_ofs;
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if (event_flags[f] == 0)
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continue;
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flags = atomic_swap_long(&event_flags[f], 0);
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rel_id_base = f << VMBUS_EVTFLAG_SHIFT;
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chid_base = f << VMBUS_EVTFLAG_SHIFT;
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while ((bit = ffsl(flags)) != 0) {
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while ((chid_ofs = ffsl(flags)) != 0) {
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struct hv_vmbus_channel *channel;
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uint32_t rel_id;
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--bit; /* NOTE: ffsl is 1-based */
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flags &= ~(1UL << bit);
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--chid_ofs; /* NOTE: ffsl is 1-based */
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flags &= ~(1UL << chid_ofs);
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rel_id = rel_id_base + bit;
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channel = sc->vmbus_chmap[rel_id];
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channel = sc->vmbus_chmap[chid_base + chid_ofs];
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/* if channel is closed or closing */
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if (channel == NULL || channel->rxq == NULL)
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@ -113,20 +113,18 @@ vmbus_channel_process_offer(hv_vmbus_channel *new_channel)
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{
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struct vmbus_softc *sc = new_channel->vmbus_sc;
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hv_vmbus_channel* channel;
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uint32_t relid;
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relid = new_channel->ch_id;
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/*
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* Make sure this is a new offer
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*/
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mtx_lock(&sc->vmbus_chlist_lock);
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if (relid == 0) {
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if (new_channel->ch_id == 0) {
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/*
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* XXX channel0 will not be processed; skip it.
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*/
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printf("VMBUS: got channel0 offer\n");
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} else {
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sc->vmbus_chmap[relid] = new_channel;
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sc->vmbus_chmap[new_channel->ch_id] = new_channel;
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}
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TAILQ_FOREACH(channel, &sc->vmbus_chlist, ch_link) {
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