Function dmar_ctx_alloc

freebsd/x86/iommu/intel_ctx.c:440–452

}

static struct dmar_ctx *
dmar_ctx_alloc(struct dmar_domain *domain, uint16_t rid)
{
	struct dmar_ctx *ctx;

	ctx = malloc(sizeof(*ctx), M_DMAR_CTX, M_WAITOK | M_ZERO);
	ctx->context.domain = DOM2IODOM(domain);
	ctx->context.tag = malloc(sizeof(struct bus_dma_tag_iommu),
	    M_DMAR_CTX, M_WAITOK | M_ZERO);
	ctx->context.rid = rid;
	ctx->refs = 1;
	return (ctx);
}

static void
dmar_ctx_link(struct dmar_ctx *ctx)