Page MenuHomeFreeBSD
Differential D35878 Diff 108498 sys/dev/iommu/iommu_gas.c

Changeset View

Standalone View

View Options

sys/dev/iommu/iommu_gas.c

Show First 20 Lines • Show All 632 Lines • ▼ Show 20 Lines KASSERT(entry->end < domain->end, ("allocated GPA %jx, max GPA %jx",
(uintmax_t)entry->end, (uintmax_t)domain->end)); (uintmax_t)entry->end, (uintmax_t)domain->end));
entry->flags |= eflags; entry->flags |= eflags;
IOMMU_DOMAIN_UNLOCK(domain); IOMMU_DOMAIN_UNLOCK(domain);
error = domain->ops->map(domain, entry->start, error = domain->ops->map(domain, entry->start,
entry->end - entry->start, ma, eflags, entry->end - entry->start, ma, eflags,
((flags & IOMMU_MF_CANWAIT) != 0 ? IOMMU_PGF_WAITOK : 0)); ((flags & IOMMU_MF_CANWAIT) != 0 ? IOMMU_PGF_WAITOK : 0));
if (error == ENOMEM) { if (error == ENOMEM) {
iommu_domain_unload_entry(entry, true); iommu_domain_unload_entry(entry, true,
(flags & IOMMU_MF_CANWAIT) != 0);
return (error); return (error);
} }
KASSERT(error == 0, KASSERT(error == 0,
("unexpected error %d from domain_map_buf", error)); ("unexpected error %d from domain_map_buf", error));
*res = entry; *res = entry;
return (0); return (0);
} }
Show All 21 Linesiommu_gas_map_region(struct iommu_domain *domain, struct iommu_map_entry *entry,
IOMMU_DOMAIN_UNLOCK(domain); IOMMU_DOMAIN_UNLOCK(domain);
if (entry->end == entry->start) if (entry->end == entry->start)
return (0); return (0);
error = domain->ops->map(domain, entry->start, error = domain->ops->map(domain, entry->start,
entry->end - entry->start, ma + OFF_TO_IDX(start - entry->start), entry->end - entry->start, ma + OFF_TO_IDX(start - entry->start),
eflags, ((flags & IOMMU_MF_CANWAIT) != 0 ? IOMMU_PGF_WAITOK : 0)); eflags, ((flags & IOMMU_MF_CANWAIT) != 0 ? IOMMU_PGF_WAITOK : 0));
if (error == ENOMEM) { if (error == ENOMEM) {
iommu_domain_unload_entry(entry, false); iommu_domain_unload_entry(entry, false,
(flags & IOMMU_MF_CANWAIT) != 0);
return (error); return (error);
} }
KASSERT(error == 0, KASSERT(error == 0,
("unexpected error %d from domain_map_buf", error)); ("unexpected error %d from domain_map_buf", error));
return (0); return (0);
} }
▲ Show 20 Lines • Show All 181 Lines • Show Last 20 Lines