diff --git a/arch/x86/include/asm/tdx.h b/arch/x86/include/asm/tdx.h
index 131356bed6f5..2b993ea24297 100644
--- a/arch/x86/include/asm/tdx.h
+++ b/arch/x86/include/asm/tdx.h
@@ -124,13 +124,28 @@ struct tdx_td {
 	int tdcs_nr_pages;
 	/* TD control structure: */
 	struct page **tdcs_pages;
+
+	/* Size of `tdcx_pages` in struct tdx_vp */
+	int tdcx_nr_pages;
+};
+
+struct tdx_vp {
+	/* TDVP root page */
+	struct page *tdvpr_page;
+
+	/* TD vCPU control structure: */
+	struct page **tdcx_pages;
 };
 
 u64 tdh_mng_addcx(struct tdx_td *td, struct page *tdcs_page);
+u64 tdh_vp_addcx(struct tdx_vp *vp, struct page *tdcx_page);
 u64 tdh_mng_key_config(struct tdx_td *td);
 u64 tdh_mng_create(struct tdx_td *td, u16 hkid);
+u64 tdh_vp_create(struct tdx_td *td, struct tdx_vp *vp);
 u64 tdh_mng_key_freeid(struct tdx_td *td);
 u64 tdh_mng_init(struct tdx_td *td, u64 td_params, u64 *extended_err);
+u64 tdh_vp_init(struct tdx_vp *vp, u64 initial_rcx);
+u64 tdh_vp_init_apicid(struct tdx_vp *vp, u64 initial_rcx, u32 x2apicid);
 #else
 static inline void tdx_init(void) { }
 static inline int tdx_cpu_enable(void) { return -ENODEV; }
diff --git a/arch/x86/virt/vmx/tdx/tdx.c b/arch/x86/virt/vmx/tdx/tdx.c
index ce4b1e96c5b0..a3804e8bdf55 100644
--- a/arch/x86/virt/vmx/tdx/tdx.c
+++ b/arch/x86/virt/vmx/tdx/tdx.c
@@ -5,6 +5,7 @@
  * Intel Trusted Domain Extensions (TDX) support
  */
 
+#include "asm/page_types.h"
 #define pr_fmt(fmt)	"virt/tdx: " fmt
 
 #include <linux/types.h>
@@ -1462,6 +1463,11 @@ static inline u64 tdx_tdr_pa(struct tdx_td *td)
 	return page_to_phys(td->tdr_page);
 }
 
+static inline u64 tdx_tdvpr_pa(struct tdx_vp *td)
+{
+	return page_to_phys(td->tdvpr_page);
+}
+
 /*
  * The TDX module exposes a CLFLUSH_BEFORE_ALLOC bit to specify whether
  * a CLFLUSH of pages is required before handing them to the TDX module.
@@ -1485,6 +1491,18 @@ u64 tdh_mng_addcx(struct tdx_td *td, struct page *tdcs_page)
 }
 EXPORT_SYMBOL_GPL(tdh_mng_addcx);
 
+u64 tdh_vp_addcx(struct tdx_vp *vp, struct page *tdcx_page)
+{
+	struct tdx_module_args args = {
+		.rcx = page_to_phys(tdcx_page),
+		.rdx = tdx_tdvpr_pa(vp),
+	};
+
+	tdx_clflush_page(tdcx_page);
+	return seamcall(TDH_VP_ADDCX, &args);
+}
+EXPORT_SYMBOL_GPL(tdh_vp_addcx);
+
 u64 tdh_mng_key_config(struct tdx_td *td)
 {
 	struct tdx_module_args args = {
@@ -1507,6 +1525,18 @@ u64 tdh_mng_create(struct tdx_td *td, u16 hkid)
 }
 EXPORT_SYMBOL_GPL(tdh_mng_create);
 
+u64 tdh_vp_create(struct tdx_td *td, struct tdx_vp *vp)
+{
+	struct tdx_module_args args = {
+		.rcx = tdx_tdvpr_pa(vp),
+		.rdx = tdx_tdr_pa(td),
+	};
+
+	tdx_clflush_page(vp->tdvpr_page);
+	return seamcall(TDH_VP_CREATE, &args);
+}
+EXPORT_SYMBOL_GPL(tdh_vp_create);
+
 u64 tdh_mng_key_freeid(struct tdx_td *td)
 {
 	struct tdx_module_args args = {
@@ -1532,3 +1562,27 @@ u64 tdh_mng_init(struct tdx_td *td, u64 td_params, u64 *extended_err)
 	return ret;
 }
 EXPORT_SYMBOL_GPL(tdh_mng_init);
+
+u64 tdh_vp_init(struct tdx_vp *vp, u64 initial_rcx)
+{
+	struct tdx_module_args args = {
+		.rcx = tdx_tdvpr_pa(vp),
+		.rdx = initial_rcx,
+	};
+
+	return seamcall(TDH_VP_INIT, &args);
+}
+EXPORT_SYMBOL_GPL(tdh_vp_init);
+
+u64 tdh_vp_init_apicid(struct tdx_vp *vp, u64 initial_rcx, u32 x2apicid)
+{
+	struct tdx_module_args args = {
+		.rcx = tdx_tdvpr_pa(vp),
+		.rdx = initial_rcx,
+		.r8 = x2apicid,
+	};
+
+	/* apicid requires version == 1. */
+	return seamcall(TDH_VP_INIT | (1ULL << TDX_VERSION_SHIFT), &args);
+}
+EXPORT_SYMBOL_GPL(tdh_vp_init_apicid);
diff --git a/arch/x86/virt/vmx/tdx/tdx.h b/arch/x86/virt/vmx/tdx/tdx.h
index 0861c3f09576..f0464f7d9780 100644
--- a/arch/x86/virt/vmx/tdx/tdx.h
+++ b/arch/x86/virt/vmx/tdx/tdx.h
@@ -16,10 +16,13 @@
  * TDX module SEAMCALL leaf functions
  */
 #define TDH_MNG_ADDCX			1
+#define TDH_VP_ADDCX			4
 #define TDH_MNG_KEY_CONFIG		8
 #define TDH_MNG_CREATE			9
+#define TDH_VP_CREATE			10
 #define TDH_MNG_KEY_FREEID		20
 #define TDH_MNG_INIT			21
+#define TDH_VP_INIT			22
 #define TDH_PHYMEM_PAGE_RDMD		24
 #define TDH_SYS_KEY_CONFIG		31
 #define TDH_SYS_INIT			33
@@ -28,6 +31,14 @@
 #define TDH_SYS_TDMR_INIT		36
 #define TDH_SYS_CONFIG			45
 
+/*
+ * SEAMCALL leaf:
+ *
+ * Bit 15:0	Leaf number
+ * Bit 23:16	Version number
+ */
+#define TDX_VERSION_SHIFT		16
+
 /* TDX page types */
 #define	PT_NDA		0x0
 #define	PT_RSVD		0x1
