diff --git a/arch/x86/virt/vmx/tdx/tdx.c b/arch/x86/virt/vmx/tdx/tdx.c
index e76ad7c..eeb7bf8 100644
--- a/arch/x86/virt/vmx/tdx/tdx.c
+++ b/arch/x86/virt/vmx/tdx/tdx.c
@@ -22,6 +22,7 @@
 #include <linux/minmax.h>
 #include <linux/sizes.h>
 #include <linux/pfn.h>
+#include <linux/align.h>
 #include <asm/msr-index.h>
 #include <asm/msr.h>
 #include <asm/cpufeature.h>
@@ -34,6 +35,8 @@ static u32 tdx_nr_guest_keyids __ro_after_init;
 
 static DEFINE_PER_CPU(bool, tdx_lp_initialized);
 
+static struct tdmr_info_list tdx_tdmr_list;
+
 static enum tdx_module_status_t tdx_module_status;
 static DEFINE_MUTEX(tdx_module_lock);
 
@@ -313,6 +316,80 @@ static int get_tdx_tdmr_sysinfo(struct tdx_tdmr_sysinfo *tdmr_sysinfo)
 	return 0;
 }
 
+/* Calculate the actual TDMR size */
+static int tdmr_size_single(u16 max_reserved_per_tdmr)
+{
+	int tdmr_sz;
+
+	/*
+	 * The actual size of TDMR depends on the maximum
+	 * number of reserved areas.
+	 */
+	tdmr_sz = sizeof(struct tdmr_info);
+	tdmr_sz += sizeof(struct tdmr_reserved_area) * max_reserved_per_tdmr;
+
+	return ALIGN(tdmr_sz, TDMR_INFO_ALIGNMENT);
+}
+
+static int alloc_tdmr_list(struct tdmr_info_list *tdmr_list,
+			   struct tdx_tdmr_sysinfo *tdmr_sysinfo)
+{
+	size_t tdmr_sz, tdmr_array_sz;
+	void *tdmr_array;
+
+	tdmr_sz = tdmr_size_single(tdmr_sysinfo->max_reserved_per_tdmr);
+	tdmr_array_sz = tdmr_sz * tdmr_sysinfo->max_tdmrs;
+
+	/*
+	 * To keep things simple, allocate all TDMRs together.
+	 * The buffer needs to be physically contiguous to make
+	 * sure each TDMR is physically contiguous.
+	 */
+	tdmr_array = alloc_pages_exact(tdmr_array_sz,
+			GFP_KERNEL | __GFP_ZERO);
+	if (!tdmr_array)
+		return -ENOMEM;
+
+	tdmr_list->tdmrs = tdmr_array;
+
+	/*
+	 * Keep the size of TDMR to find the target TDMR
+	 * at a given index in the TDMR list.
+	 */
+	tdmr_list->tdmr_sz = tdmr_sz;
+	tdmr_list->max_tdmrs = tdmr_sysinfo->max_tdmrs;
+	tdmr_list->nr_consumed_tdmrs = 0;
+
+	return 0;
+}
+
+static void free_tdmr_list(struct tdmr_info_list *tdmr_list)
+{
+	free_pages_exact(tdmr_list->tdmrs,
+			tdmr_list->max_tdmrs * tdmr_list->tdmr_sz);
+}
+
+/*
+ * Construct a list of TDMRs on the preallocated space in @tdmr_list
+ * to cover all TDX memory regions in @tmb_list based on the TDX module
+ * TDMR global information in @tdmr_sysinfo.
+ */
+static int construct_tdmrs(struct list_head *tmb_list,
+			   struct tdmr_info_list *tdmr_list,
+			   struct tdx_tdmr_sysinfo *tdmr_sysinfo)
+{
+	/*
+	 * TODO:
+	 *
+	 *  - Fill out TDMRs to cover all TDX memory regions.
+	 *  - Allocate and set up PAMTs for each TDMR.
+	 *  - Designate reserved areas for each TDMR.
+	 *
+	 * Return -EINVAL until constructing TDMRs is done
+	 */
+	return -EINVAL;
+}
+
 static int init_tdx_module(void)
 {
 	struct tdx_tdmr_sysinfo tdmr_sysinfo;
@@ -338,11 +415,19 @@ static int init_tdx_module(void)
 	if (ret)
 		goto err_free_tdxmem;
 
+	/* Allocate enough space for constructing TDMRs */
+	ret = alloc_tdmr_list(&tdx_tdmr_list, &tdmr_sysinfo);
+	if (ret)
+		goto err_free_tdxmem;
+
+	/* Cover all TDX-usable memory regions in TDMRs */
+	ret = construct_tdmrs(&tdx_memlist, &tdx_tdmr_list, &tdmr_sysinfo);
+	if (ret)
+		goto err_free_tdmrs;
+
 	/*
 	 * TODO:
 	 *
-	 *  - Construct a list of TDMRs to cover all TDX-usable memory
-	 *    regions.
 	 *  - Configure the TDMRs and the global KeyID to the TDX module.
 	 *  - Configure the global KeyID on all packages.
 	 *  - Initialize all TDMRs.
@@ -351,7 +436,7 @@ static int init_tdx_module(void)
 	 */
 	ret = -EINVAL;
 	if (ret)
-		goto err_free_tdxmem;
+		goto err_free_tdmrs;
 out_put_tdxmem:
 	/*
 	 * @tdx_memlist is written here and read at memory hotplug time.
@@ -360,6 +445,8 @@ out_put_tdxmem:
 	put_online_mems();
 	return ret;
 
+err_free_tdmrs:
+	free_tdmr_list(&tdx_tdmr_list);
 err_free_tdxmem:
 	free_tdx_memlist(&tdx_memlist);
 	goto out_put_tdxmem;
diff --git a/arch/x86/virt/vmx/tdx/tdx.h b/arch/x86/virt/vmx/tdx/tdx.h
index 29cdf5e..9b6b5d7 100644
--- a/arch/x86/virt/vmx/tdx/tdx.h
+++ b/arch/x86/virt/vmx/tdx/tdx.h
@@ -47,6 +47,30 @@
 
 #define MD_FIELD_ID_ELE_SIZE_16BIT	1
 
+struct tdmr_reserved_area {
+	u64 offset;
+	u64 size;
+} __packed;
+
+#define TDMR_INFO_ALIGNMENT	512
+
+struct tdmr_info {
+	u64 base;
+	u64 size;
+	u64 pamt_1g_base;
+	u64 pamt_1g_size;
+	u64 pamt_2m_base;
+	u64 pamt_2m_size;
+	u64 pamt_4k_base;
+	u64 pamt_4k_size;
+	/*
+	 * The actual number of reserved areas depends on the value of
+	 * field MD_FIELD_ID_MAX_RESERVED_PER_TDMR in the TDX module
+	 * global metadata.
+	 */
+	DECLARE_FLEX_ARRAY(struct tdmr_reserved_area, reserved_areas);
+} __packed __aligned(TDMR_INFO_ALIGNMENT);
+
 /*
  * Do not put any hardware-defined TDX structure representations below
  * this comment!
@@ -72,4 +96,13 @@ struct tdx_tdmr_sysinfo {
 	u16 pamt_entry_size[TDX_PS_NR];
 };
 
+struct tdmr_info_list {
+	void *tdmrs;	/* Flexible array to hold 'tdmr_info's */
+	int nr_consumed_tdmrs;	/* How many 'tdmr_info's are in use */
+
+	/* Metadata for finding target 'tdmr_info' and freeing @tdmrs */
+	int tdmr_sz;	/* Size of one 'tdmr_info' */
+	int max_tdmrs;	/* How many 'tdmr_info's are allocated */
+};
+
 #endif
