On 12/3/2024 9:03 AM, Rick Edgecombe wrote:
[...]
+
+/*
+ * TDX ABI defines output operands as PT, OWNER and SIZE. These are TDX defined fomats.
fomats -> formats
+ * So despite the names, they must be interpted specially as described by the spec. Return
interpted -> interpreted
+ * them only for error reporting purposes.
+ */
+u64 tdh_phymem_page_reclaim(struct page *page, u64 *tdx_pt, u64 *tdx_owner, u64 *tdx_size)
+{
+ struct tdx_module_args args = {
+ .rcx = page_to_pfn(page) << PAGE_SHIFT,
+ };
+ u64 ret;
+
+ ret = seamcall_ret(TDH_PHYMEM_PAGE_RECLAIM, &args);
+
+ *tdx_pt = args.rcx;
+ *tdx_owner = args.rdx;
+ *tdx_size = args.r8;
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(tdh_phymem_page_reclaim);
+
[...]
