diff --git a/drivers/virt/gunyah/Makefile b/drivers/virt/gunyah/Makefile
index 3f82af8c5ce7..f3c9507224ee 100644
--- a/drivers/virt/gunyah/Makefile
+++ b/drivers/virt/gunyah/Makefile
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0
 
-gunyah_rsc_mgr-y += rsc_mgr.o rsc_mgr_rpc.o vm_mgr.o
+gunyah_rsc_mgr-y += rsc_mgr.o rsc_mgr_rpc.o vm_mgr.o vm_mgr_mem.o
 
 obj-$(CONFIG_GUNYAH) += gunyah.o gunyah_rsc_mgr.o gunyah_vcpu.o
diff --git a/drivers/virt/gunyah/vm_mgr.c b/drivers/virt/gunyah/vm_mgr.c
index db3d1d18ccb8..26b6dce49970 100644
--- a/drivers/virt/gunyah/vm_mgr.c
+++ b/drivers/virt/gunyah/vm_mgr.c
@@ -17,6 +17,16 @@
 #include "rsc_mgr.h"
 #include "vm_mgr.h"
 
+#define GUNYAH_VM_ADDRSPACE_LABEL 0
+// "To" extent for memory private to guest
+#define GUNYAH_VM_MEM_EXTENT_GUEST_PRIVATE_LABEL 0
+// "From" extent for memory shared with guest
+#define GUNYAH_VM_MEM_EXTENT_HOST_SHARED_LABEL 1
+// "To" extent for memory shared with the guest
+#define GUNYAH_VM_MEM_EXTENT_GUEST_SHARED_LABEL 3
+// "From" extent for memory private to guest
+#define GUNYAH_VM_MEM_EXTENT_HOST_PRIVATE_LABEL 2
+
 static DEFINE_XARRAY(gunyah_vm_functions);
 
 static void gunyah_vm_put_function(struct gunyah_vm_function *fn)
@@ -175,6 +185,16 @@ void gunyah_vm_function_unregister(struct gunyah_vm_function *fn)
 }
 EXPORT_SYMBOL_GPL(gunyah_vm_function_unregister);
 
+static bool gunyah_vm_resource_ticket_populate_noop(
+	struct gunyah_vm_resource_ticket *ticket, struct gunyah_resource *ghrsc)
+{
+	return true;
+}
+static void gunyah_vm_resource_ticket_unpopulate_noop(
+	struct gunyah_vm_resource_ticket *ticket, struct gunyah_resource *ghrsc)
+{
+}
+
 int gunyah_vm_add_resource_ticket(struct gunyah_vm *ghvm,
 				  struct gunyah_vm_resource_ticket *ticket)
 {
@@ -342,6 +362,17 @@ static void gunyah_vm_stop(struct gunyah_vm *ghvm)
 		   ghvm->vm_status != GUNYAH_RM_VM_STATUS_RUNNING);
 }
 
+static inline void setup_extent_ticket(struct gunyah_vm *ghvm,
+				       struct gunyah_vm_resource_ticket *ticket,
+				       u32 label)
+{
+	ticket->resource_type = GUNYAH_RESOURCE_TYPE_MEM_EXTENT;
+	ticket->label = label;
+	ticket->populate = gunyah_vm_resource_ticket_populate_noop;
+	ticket->unpopulate = gunyah_vm_resource_ticket_unpopulate_noop;
+	gunyah_vm_add_resource_ticket(ghvm, ticket);
+}
+
 static __must_check struct gunyah_vm *gunyah_vm_alloc(struct gunyah_rm *rm)
 {
 	struct gunyah_vm *ghvm;
@@ -365,6 +396,25 @@ static __must_check struct gunyah_vm *gunyah_vm_alloc(struct gunyah_rm *rm)
 	INIT_LIST_HEAD(&ghvm->resources);
 	INIT_LIST_HEAD(&ghvm->resource_tickets);
 
+	mt_init(&ghvm->mm);
+
+	ghvm->addrspace_ticket.resource_type = GUNYAH_RESOURCE_TYPE_ADDR_SPACE;
+	ghvm->addrspace_ticket.label = GUNYAH_VM_ADDRSPACE_LABEL;
+	ghvm->addrspace_ticket.populate =
+		gunyah_vm_resource_ticket_populate_noop;
+	ghvm->addrspace_ticket.unpopulate =
+		gunyah_vm_resource_ticket_unpopulate_noop;
+	gunyah_vm_add_resource_ticket(ghvm, &ghvm->addrspace_ticket);
+
+	setup_extent_ticket(ghvm, &ghvm->host_private_extent_ticket,
+			    GUNYAH_VM_MEM_EXTENT_HOST_PRIVATE_LABEL);
+	setup_extent_ticket(ghvm, &ghvm->host_shared_extent_ticket,
+			    GUNYAH_VM_MEM_EXTENT_HOST_SHARED_LABEL);
+	setup_extent_ticket(ghvm, &ghvm->guest_private_extent_ticket,
+			    GUNYAH_VM_MEM_EXTENT_GUEST_PRIVATE_LABEL);
+	setup_extent_ticket(ghvm, &ghvm->guest_shared_extent_ticket,
+			    GUNYAH_VM_MEM_EXTENT_GUEST_SHARED_LABEL);
+
 	return ghvm;
 }
 
@@ -528,6 +578,21 @@ static void _gunyah_vm_put(struct kref *kref)
 		gunyah_vm_stop(ghvm);
 
 	gunyah_vm_remove_functions(ghvm);
+
+	/**
+	 * If this fails, we're going to lose the memory for good and is
+	 * BUG_ON-worthy, but not unrecoverable (we just lose memory).
+	 * This call should always succeed though because the VM is in not
+	 * running and RM will let us reclaim all the memory.
+	 */
+	WARN_ON(gunyah_vm_reclaim_range(ghvm, 0, U64_MAX));
+
+	gunyah_vm_remove_resource_ticket(ghvm, &ghvm->addrspace_ticket);
+	gunyah_vm_remove_resource_ticket(ghvm, &ghvm->host_shared_extent_ticket);
+	gunyah_vm_remove_resource_ticket(ghvm, &ghvm->host_private_extent_ticket);
+	gunyah_vm_remove_resource_ticket(ghvm, &ghvm->guest_shared_extent_ticket);
+	gunyah_vm_remove_resource_ticket(ghvm, &ghvm->guest_private_extent_ticket);
+
 	gunyah_vm_clean_resources(ghvm);
 
 	if (ghvm->vm_status != GUNYAH_RM_VM_STATUS_NO_STATE &&
@@ -541,6 +606,8 @@ static void _gunyah_vm_put(struct kref *kref)
 			   ghvm->vm_status == GUNYAH_RM_VM_STATUS_RESET);
 	}
 
+	mtree_destroy(&ghvm->mm);
+
 	if (ghvm->vm_status > GUNYAH_RM_VM_STATUS_NO_STATE) {
 		gunyah_rm_notifier_unregister(ghvm->rm, &ghvm->nb);
 
diff --git a/drivers/virt/gunyah/vm_mgr.h b/drivers/virt/gunyah/vm_mgr.h
index 8c5b94101b2c..e500f6eb014e 100644
--- a/drivers/virt/gunyah/vm_mgr.h
+++ b/drivers/virt/gunyah/vm_mgr.h
@@ -8,6 +8,7 @@
 
 #include <linux/device.h>
 #include <linux/kref.h>
+#include <linux/maple_tree.h>
 #include <linux/mutex.h>
 #include <linux/rwsem.h>
 #include <linux/wait.h>
@@ -16,12 +17,42 @@
 
 #include "rsc_mgr.h"
 
+static inline u64 gunyah_gpa_to_gfn(u64 gpa)
+{
+	return gpa >> PAGE_SHIFT;
+}
+
+static inline u64 gunyah_gfn_to_gpa(u64 gfn)
+{
+	return gfn << PAGE_SHIFT;
+}
+
 long gunyah_dev_vm_mgr_ioctl(struct gunyah_rm *rm, unsigned int cmd,
 			     unsigned long arg);
 
 /**
  * struct gunyah_vm - Main representation of a Gunyah Virtual machine
  * @vmid: Gunyah's VMID for this virtual machine
+ * @mm: A maple tree of all memory that has been mapped to a VM.
+ *      Indices are guest frame numbers; entries are either folios or
+ *      RM mem parcels
+ * @addrspace_ticket: Resource ticket to the capability for guest VM's
+ *                    address space
+ * @host_private_extent_ticket: Resource ticket to the capability for our
+ *                              memory extent from which to lend private
+ *                              memory to the guest
+ * @host_shared_extent_ticket: Resource ticket to the capaiblity for our
+ *                             memory extent from which to share memory
+ *                             with the guest. Distinction with
+ *                             @host_private_extent_ticket needed for
+ *                             current Qualcomm platforms; on non-Qualcomm
+ *                             platforms, this is the same capability ID
+ * @guest_private_extent_ticket: Resource ticket to the capaiblity for
+ *                               the guest's memory extent to lend private
+ *                               memory to
+ * @guest_shared_extent_ticket: Resource ticket to the capability for
+ *                              the memory extent that represents
+ *                              memory shared with the guest.
  * @rm: Pointer to the resource manager struct to make RM calls
  * @parent: For logging
  * @nb: Notifier block for RM notifications
@@ -43,6 +74,11 @@ long gunyah_dev_vm_mgr_ioctl(struct gunyah_rm *rm, unsigned int cmd,
  */
 struct gunyah_vm {
 	u16 vmid;
+	struct maple_tree mm;
+	struct gunyah_vm_resource_ticket addrspace_ticket,
+		host_private_extent_ticket, host_shared_extent_ticket,
+		guest_private_extent_ticket, guest_shared_extent_ticket;
+
 	struct gunyah_rm *rm;
 
 	struct notifier_block nb;
@@ -63,4 +99,14 @@ struct gunyah_vm {
 
 };
 
+int gunyah_vm_parcel_to_paged(struct gunyah_vm *ghvm,
+			      struct gunyah_rm_mem_parcel *parcel, u64 gfn,
+			      u64 nr);
+int gunyah_vm_reclaim_parcel(struct gunyah_vm *ghvm,
+			     struct gunyah_rm_mem_parcel *parcel, u64 gfn);
+int gunyah_vm_provide_folio(struct gunyah_vm *ghvm, struct folio *folio,
+			    u64 gfn, bool share, bool write);
+int gunyah_vm_reclaim_folio(struct gunyah_vm *ghvm, u64 gfn);
+int gunyah_vm_reclaim_range(struct gunyah_vm *ghvm, u64 gfn, u64 nr);
+
 #endif
diff --git a/drivers/virt/gunyah/vm_mgr_mem.c b/drivers/virt/gunyah/vm_mgr_mem.c
new file mode 100644
index 000000000000..d3fcb4514907
--- /dev/null
+++ b/drivers/virt/gunyah/vm_mgr_mem.c
@@ -0,0 +1,309 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2023-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#define pr_fmt(fmt) "gunyah_vm_mgr: " fmt
+
+#include <asm/gunyah.h>
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+
+#include "vm_mgr.h"
+
+#define WRITE_TAG (1 << 0)
+#define SHARE_TAG (1 << 1)
+
+static inline struct gunyah_resource *
+__first_resource(struct gunyah_vm_resource_ticket *ticket)
+{
+	return list_first_entry_or_null(&ticket->resources,
+					struct gunyah_resource, list);
+}
+
+int gunyah_vm_parcel_to_paged(struct gunyah_vm *ghvm,
+			      struct gunyah_rm_mem_parcel *parcel, u64 gfn,
+			      u64 nr)
+{
+	struct gunyah_rm_mem_entry *entry;
+	unsigned long i, entry_size, tag = 0;
+	struct folio *folio;
+	pgoff_t off = 0;
+	int ret;
+
+	if (parcel->n_acl_entries > 1)
+		tag |= SHARE_TAG;
+	if (parcel->acl_entries[0].perms & GUNYAH_RM_ACL_W)
+		tag |= WRITE_TAG;
+
+	for (i = 0; i < parcel->n_mem_entries; i++) {
+		entry = &parcel->mem_entries[i];
+		entry_size = PHYS_PFN(le64_to_cpu(entry->size));
+
+		folio = pfn_folio(PHYS_PFN(le64_to_cpu(entry->phys_addr)));
+		ret = mtree_insert_range(&ghvm->mm, gfn + off, gfn + off + folio_nr_pages(folio) - 1, xa_tag_pointer(folio, tag), GFP_KERNEL);
+		if (ret == -ENOMEM)
+			return ret;
+		BUG_ON(ret);
+		off += folio_nr_pages(folio);
+	}
+
+	BUG_ON(off != nr);
+
+	return 0;
+}
+
+static inline u32 donate_flags(bool share)
+{
+	if (share)
+		return FIELD_PREP_CONST(GUNYAH_MEMEXTENT_OPTION_TYPE_MASK,
+					GUNYAH_MEMEXTENT_DONATE_TO_SIBLING);
+	else
+		return FIELD_PREP_CONST(GUNYAH_MEMEXTENT_OPTION_TYPE_MASK,
+					GUNYAH_MEMEXTENT_DONATE_TO_PROTECTED);
+}
+
+static inline u32 reclaim_flags(bool share)
+{
+	if (share)
+		return FIELD_PREP_CONST(GUNYAH_MEMEXTENT_OPTION_TYPE_MASK,
+					GUNYAH_MEMEXTENT_DONATE_TO_SIBLING);
+	else
+		return FIELD_PREP_CONST(GUNYAH_MEMEXTENT_OPTION_TYPE_MASK,
+					GUNYAH_MEMEXTENT_DONATE_FROM_PROTECTED);
+}
+
+int gunyah_vm_provide_folio(struct gunyah_vm *ghvm, struct folio *folio,
+			    u64 gfn, bool share, bool write)
+{
+	struct gunyah_resource *guest_extent, *host_extent, *addrspace;
+	u32 map_flags = BIT(GUNYAH_ADDRSPACE_MAP_FLAG_PARTIAL);
+	u64 extent_attrs, gpa = gunyah_gfn_to_gpa(gfn);
+	phys_addr_t pa = PFN_PHYS(folio_pfn(folio));
+	enum gunyah_pagetable_access access;
+	size_t size = folio_size(folio);
+	enum gunyah_error gunyah_error;
+	unsigned long tag = 0;
+	int ret;
+
+	/* clang-format off */
+	if (share) {
+		guest_extent = __first_resource(&ghvm->guest_shared_extent_ticket);
+		host_extent = __first_resource(&ghvm->host_shared_extent_ticket);
+	} else {
+		guest_extent = __first_resource(&ghvm->guest_private_extent_ticket);
+		host_extent = __first_resource(&ghvm->host_private_extent_ticket);
+	}
+	/* clang-format on */
+	addrspace = __first_resource(&ghvm->addrspace_ticket);
+
+	if (!addrspace || !guest_extent || !host_extent)
+		return -ENODEV;
+
+	if (share) {
+		map_flags |= BIT(GUNYAH_ADDRSPACE_MAP_FLAG_VMMIO);
+		tag |= SHARE_TAG;
+	} else {
+		map_flags |= BIT(GUNYAH_ADDRSPACE_MAP_FLAG_PRIVATE);
+	}
+
+	if (write)
+		tag |= WRITE_TAG;
+
+	ret = mtree_insert_range(&ghvm->mm, gfn,
+				 gfn + folio_nr_pages(folio) - 1,
+				 xa_tag_pointer(folio, tag), GFP_KERNEL);
+	if (ret == -EEXIST)
+		return -EAGAIN;
+	if (ret)
+		return ret;
+
+	if (share && write)
+		access = GUNYAH_PAGETABLE_ACCESS_RW;
+	else if (share && !write)
+		access = GUNYAH_PAGETABLE_ACCESS_R;
+	else if (!share && write)
+		access = GUNYAH_PAGETABLE_ACCESS_RWX;
+	else /* !share && !write */
+		access = GUNYAH_PAGETABLE_ACCESS_RX;
+
+	gunyah_error = gunyah_hypercall_memextent_donate(donate_flags(share),
+							 host_extent->capid,
+							 guest_extent->capid,
+							 pa, size);
+	if (gunyah_error != GUNYAH_ERROR_OK) {
+		pr_err("Failed to donate memory for guest address 0x%016llx: %d\n",
+		       gpa, gunyah_error);
+		ret = gunyah_error_remap(gunyah_error);
+		goto remove;
+	}
+
+	extent_attrs =
+		FIELD_PREP_CONST(GUNYAH_MEMEXTENT_MAPPING_TYPE,
+				 ARCH_GUNYAH_DEFAULT_MEMTYPE) |
+		FIELD_PREP(GUNYAH_MEMEXTENT_MAPPING_USER_ACCESS, access) |
+		FIELD_PREP(GUNYAH_MEMEXTENT_MAPPING_KERNEL_ACCESS, access);
+	gunyah_error = gunyah_hypercall_addrspace_map(addrspace->capid,
+						      guest_extent->capid, gpa,
+						      extent_attrs, map_flags,
+						      pa, size);
+	if (gunyah_error != GUNYAH_ERROR_OK) {
+		pr_err("Failed to map guest address 0x%016llx: %d\n", gpa,
+		       gunyah_error);
+		ret = gunyah_error_remap(gunyah_error);
+		goto memextent_reclaim;
+	}
+
+	folio_get(folio);
+	if (!share)
+		folio_set_private(folio);
+	return 0;
+memextent_reclaim:
+	gunyah_error = gunyah_hypercall_memextent_donate(reclaim_flags(share),
+							 guest_extent->capid,
+							 host_extent->capid, pa,
+							 size);
+	if (gunyah_error != GUNYAH_ERROR_OK)
+		pr_err("Failed to reclaim memory donation for guest address 0x%016llx: %d\n",
+		       gpa, gunyah_error);
+remove:
+	mtree_erase(&ghvm->mm, gfn);
+	return ret;
+}
+
+static int __gunyah_vm_reclaim_folio_locked(struct gunyah_vm *ghvm, void *entry,
+					    u64 gfn, const bool sync)
+{
+	u32 map_flags = BIT(GUNYAH_ADDRSPACE_MAP_FLAG_PARTIAL);
+	struct gunyah_resource *guest_extent, *host_extent, *addrspace;
+	enum gunyah_pagetable_access access;
+	enum gunyah_error gunyah_error;
+	struct folio *folio;
+	bool write, share;
+	phys_addr_t pa;
+	size_t size;
+	int ret;
+
+	addrspace = __first_resource(&ghvm->addrspace_ticket);
+	if (!addrspace)
+		return -ENODEV;
+
+	share = !!(xa_pointer_tag(entry) & SHARE_TAG);
+	write = !!(xa_pointer_tag(entry) & WRITE_TAG);
+	folio = xa_untag_pointer(entry);
+
+	if (!sync)
+		map_flags |= BIT(GUNYAH_ADDRSPACE_MAP_FLAG_NOSYNC);
+
+	/* clang-format off */
+	if (share) {
+		guest_extent = __first_resource(&ghvm->guest_shared_extent_ticket);
+		host_extent = __first_resource(&ghvm->host_shared_extent_ticket);
+		map_flags |= BIT(GUNYAH_ADDRSPACE_MAP_FLAG_VMMIO);
+	} else {
+		guest_extent = __first_resource(&ghvm->guest_private_extent_ticket);
+		host_extent = __first_resource(&ghvm->host_private_extent_ticket);
+		map_flags |= BIT(GUNYAH_ADDRSPACE_MAP_FLAG_PRIVATE);
+	}
+	/* clang-format on */
+
+	pa = PFN_PHYS(folio_pfn(folio));
+	size = folio_size(folio);
+
+	gunyah_error = gunyah_hypercall_addrspace_unmap(addrspace->capid,
+							guest_extent->capid,
+							gunyah_gfn_to_gpa(gfn),
+							map_flags, pa, size);
+	if (gunyah_error != GUNYAH_ERROR_OK) {
+		pr_err_ratelimited(
+			"Failed to unmap guest address 0x%016llx: %d\n",
+			gunyah_gfn_to_gpa(gfn), gunyah_error);
+		ret = gunyah_error_remap(gunyah_error);
+		goto err;
+	}
+
+	gunyah_error = gunyah_hypercall_memextent_donate(reclaim_flags(share),
+							 guest_extent->capid,
+							 host_extent->capid, pa,
+							 size);
+	if (gunyah_error != GUNYAH_ERROR_OK) {
+		pr_err_ratelimited(
+			"Failed to reclaim memory donation for guest address 0x%016llx: %d\n",
+			gunyah_gfn_to_gpa(gfn), gunyah_error);
+		ret = gunyah_error_remap(gunyah_error);
+		goto err;
+	}
+
+	if (share && write)
+		access = GUNYAH_PAGETABLE_ACCESS_RW;
+	else if (share && !write)
+		access = GUNYAH_PAGETABLE_ACCESS_R;
+	else if (!share && write)
+		access = GUNYAH_PAGETABLE_ACCESS_RWX;
+	else /* !share && !write */
+		access = GUNYAH_PAGETABLE_ACCESS_RX;
+
+	gunyah_error = gunyah_hypercall_memextent_donate(donate_flags(share),
+							 guest_extent->capid,
+							 host_extent->capid, pa,
+							 size);
+	if (gunyah_error != GUNYAH_ERROR_OK) {
+		pr_err("Failed to reclaim memory donation for guest address 0x%016llx: %d\n",
+		       gfn << PAGE_SHIFT, gunyah_error);
+		ret = gunyah_error_remap(gunyah_error);
+		goto err;
+	}
+
+	BUG_ON(mtree_erase(&ghvm->mm, gfn) != entry);
+
+	folio_clear_private(folio);
+	folio_put(folio);
+	return 0;
+err:
+	return ret;
+}
+
+int gunyah_vm_reclaim_folio(struct gunyah_vm *ghvm, u64 gfn)
+{
+	struct folio *folio;
+	void *entry;
+
+	entry = mtree_load(&ghvm->mm, gfn);
+	if (!entry)
+		return 0;
+
+	folio = xa_untag_pointer(entry);
+	if (mtree_load(&ghvm->mm, gfn) != entry)
+		return -EAGAIN;
+
+	return __gunyah_vm_reclaim_folio_locked(ghvm, entry, gfn, true);
+}
+
+int gunyah_vm_reclaim_range(struct gunyah_vm *ghvm, u64 gfn, u64 nr)
+{
+	unsigned long next = gfn, g;
+	struct folio *folio;
+	int ret, ret2 = 0;
+	void *entry;
+	bool sync;
+
+	mt_for_each(&ghvm->mm, entry, next, gfn + nr) {
+		folio = xa_untag_pointer(entry);
+		g = next;
+		sync = !!mt_find_after(&ghvm->mm, &g, gfn + nr);
+
+		g = next - folio_nr_pages(folio);
+		folio_get(folio);
+		folio_lock(folio);
+		if (mtree_load(&ghvm->mm, g) == entry)
+			ret = __gunyah_vm_reclaim_folio_locked(ghvm, entry, g, sync);
+		else
+			ret = -EAGAIN;
+		folio_unlock(folio);
+		folio_put(folio);
+		if (ret && ret2 != -EAGAIN)
+			ret2 = ret;
+	}
+
+	return ret2;
+}
