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hyperv: GC unused functions.

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MFC after:	1 week
Sponsored by:	Microsoft
Differential Revision:	https://reviews.freebsd.org/D8406
This commit is contained in:
Sepherosa Ziehau 2016-11-02 05:41:23 +00:00
parent 6529f950c4
commit 2a5a7ca81d
3 changed files with 0 additions and 72 deletions
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11
sys/dev/hyperv/include/hyperv.h
View File

@ -44,15 +44,4 @@ struct hyperv_guid {
int hyperv_guid2str(const struct hyperv_guid *, char *, size_t);
/**
* @brief Get physical address from virtual
*/
static inline unsigned long
hv_get_phys_addr(void *virt)
{
unsigned long ret;
ret = (vtophys(virt) | ((vm_offset_t) virt & PAGE_MASK));
return (ret);
}
#endif /* _HYPERV_H_ */

2
sys/dev/hyperv/include/vmbus.h
View File

@ -146,8 +146,6 @@ int vmbus_chan_gpadl_disconnect(struct vmbus_channel *chan,
void vmbus_chan_cpu_set(struct vmbus_channel *chan, int cpu);
void vmbus_chan_cpu_rr(struct vmbus_channel *chan);
struct vmbus_channel *
vmbus_chan_cpu2chan(struct vmbus_channel *chan, int cpu);
void vmbus_chan_set_readbatch(struct vmbus_channel *chan, bool on);
struct vmbus_channel **

59
sys/dev/hyperv/vmbus/vmbus_chan.c
View File

@ -1534,65 +1534,6 @@ vmbus_chan_destroy_all(struct vmbus_softc *sc)
}
}
/*
* The channel whose vcpu binding is closest to the currect vcpu will
* be selected.
* If no multi-channel, always select primary channel.
*/
struct vmbus_channel *
vmbus_chan_cpu2chan(struct vmbus_channel *prichan, int cpu)
{
struct vmbus_channel *sel, *chan;
uint32_t vcpu, sel_dist;
KASSERT(cpu >= 0 && cpu < mp_ncpus, ("invalid cpuid %d", cpu));
if (TAILQ_EMPTY(&prichan->ch_subchans))
return prichan;
vcpu = VMBUS_PCPU_GET(prichan->ch_vmbus, vcpuid, cpu);
#define CHAN_VCPU_DIST(ch, vcpu) \
(((ch)->ch_vcpuid > (vcpu)) ? \
((ch)->ch_vcpuid - (vcpu)) : ((vcpu) - (ch)->ch_vcpuid))
#define CHAN_SELECT(ch) \
do { \
sel = ch; \
sel_dist = CHAN_VCPU_DIST(ch, vcpu); \
} while (0)
CHAN_SELECT(prichan);
mtx_lock(&prichan->ch_subchan_lock);
TAILQ_FOREACH(chan, &prichan->ch_subchans, ch_sublink) {
uint32_t dist;
KASSERT(chan->ch_stflags & VMBUS_CHAN_ST_OPENED,
("chan%u is not opened", chan->ch_id));
if (chan->ch_vcpuid == vcpu) {
/* Exact match; done */
CHAN_SELECT(chan);
break;
}
dist = CHAN_VCPU_DIST(chan, vcpu);
if (sel_dist <= dist) {
/* Far or same distance; skip */
continue;
}
/* Select the closer channel. */
CHAN_SELECT(chan);
}
mtx_unlock(&prichan->ch_subchan_lock);
#undef CHAN_SELECT
#undef CHAN_VCPU_DIST
return sel;
}
struct vmbus_channel **
vmbus_subchan_get(struct vmbus_channel *pri_chan, int subchan_cnt)
{