Differential D25972 Diff 75488 head/sys/dev/iommu/busdma_iommu.c

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Show First 20 Lines • Show All 1,058 Lines • ▼ Show 20 Lines	if (error == 0) {
iommu_domain_unload_entry(entry, true);		iommu_domain_unload_entry(entry, true);
}		}
for (i = 0; i < atop(length); i++)		for (i = 0; i < atop(length); i++)
vm_page_putfake(ma[i]);		vm_page_putfake(ma[i]);
free(ma, M_TEMP);		free(ma, M_TEMP);
return (error);		return (error);
}		}

		static void
		iommu_domain_unload_task(void *arg, int pending)
		{
		struct iommu_domain *domain;
		struct iommu_map_entries_tailq entries;

		domain = arg;
		TAILQ_INIT(&entries);

		for (;;) {
		IOMMU_DOMAIN_LOCK(domain);
		TAILQ_SWAP(&domain->unload_entries, &entries,
		iommu_map_entry, dmamap_link);
		IOMMU_DOMAIN_UNLOCK(domain);
		if (TAILQ_EMPTY(&entries))
		break;
		iommu_domain_unload(domain, &entries, true);
		}
		}

void		void
iommu_domain_init(struct iommu_unit unit, struct iommu_domain domain,		iommu_domain_init(struct iommu_unit unit, struct iommu_domain domain,
const struct iommu_domain_map_ops *ops)		const struct iommu_domain_map_ops *ops)
{		{

domain->ops = ops;		domain->ops = ops;
domain->iommu = unit;		domain->iommu = unit;

		TASK_INIT(&domain->unload_task, 0, iommu_domain_unload_task, domain);
RB_INIT(&domain->rb_root);		RB_INIT(&domain->rb_root);
TAILQ_INIT(&domain->unload_entries);		TAILQ_INIT(&domain->unload_entries);
mtx_init(&domain->lock, "iodom", NULL, MTX_DEF);		mtx_init(&domain->lock, "iodom", NULL, MTX_DEF);
}		}

void		void
iommu_domain_fini(struct iommu_domain *domain)		iommu_domain_fini(struct iommu_domain *domain)
{		{

mtx_destroy(&domain->lock);		mtx_destroy(&domain->lock);
}		}