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diff --git a/qemu/roms/ipxe/src/include/ipxe/efi/efi_snp.h b/qemu/roms/ipxe/src/include/ipxe/efi/efi_snp.h
new file mode 100644
index 000000000..a18bced5f
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/efi/efi_snp.h
@@ -0,0 +1,95 @@
+#ifndef _IPXE_EFI_SNP_H
+#define _IPXE_EFI_SNP_H
+
+/** @file
+ *
+ * iPXE EFI SNP interface
+ *
+ */
+
+#include <ipxe/list.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/Protocol/SimpleNetwork.h>
+#include <ipxe/efi/Protocol/NetworkInterfaceIdentifier.h>
+#include <ipxe/efi/Protocol/ComponentName2.h>
+#include <ipxe/efi/Protocol/DevicePath.h>
+#include <ipxe/efi/Protocol/HiiConfigAccess.h>
+#include <ipxe/efi/Protocol/HiiDatabase.h>
+#include <ipxe/efi/Protocol/LoadFile.h>
+
+/** An SNP device */
+struct efi_snp_device {
+	/** List of SNP devices */
+	struct list_head list;
+	/** The underlying iPXE network device */
+	struct net_device *netdev;
+	/** The underlying EFI device */
+	struct efi_device *efidev;
+	/** EFI device handle */
+	EFI_HANDLE handle;
+	/** The SNP structure itself */
+	EFI_SIMPLE_NETWORK_PROTOCOL snp;
+	/** The SNP "mode" (parameters) */
+	EFI_SIMPLE_NETWORK_MODE mode;
+	/** Started flag */
+	int started;
+	/** Outstanding TX packet count (via "interrupt status")
+	 *
+	 * Used in order to generate TX completions.
+	 */
+	unsigned int tx_count_interrupts;
+	/** Outstanding TX packet count (via "recycled tx buffers")
+	 *
+	 * Used in order to generate TX completions.
+	 */
+	unsigned int tx_count_txbufs;
+	/** Outstanding RX packet count (via "interrupt status") */
+	unsigned int rx_count_interrupts;
+	/** Outstanding RX packet count (via WaitForPacket event) */
+	unsigned int rx_count_events;
+	/** The network interface identifier */
+	EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL nii;
+	/** Component name protocol */
+	EFI_COMPONENT_NAME2_PROTOCOL name2;
+	/** Load file protocol handle */
+	EFI_LOAD_FILE_PROTOCOL load_file;
+	/** HII configuration access protocol */
+	EFI_HII_CONFIG_ACCESS_PROTOCOL hii;
+	/** HII package list */
+	EFI_HII_PACKAGE_LIST_HEADER *package_list;
+	/** HII handle */
+	EFI_HII_HANDLE hii_handle;
+	/** Device name */
+	wchar_t name[ sizeof ( ( ( struct net_device * ) NULL )->name ) ];
+	/** Driver name */
+	wchar_t driver_name[16];
+	/** Controller name */
+	wchar_t controller_name[64];
+	/** The device path */
+	EFI_DEVICE_PATH_PROTOCOL *path;
+};
+
+extern int efi_snp_hii_install ( struct efi_snp_device *snpdev );
+extern void efi_snp_hii_uninstall ( struct efi_snp_device *snpdev );
+extern struct efi_snp_device * find_snpdev ( EFI_HANDLE handle );
+extern struct efi_snp_device * last_opened_snpdev ( void );
+extern void efi_snp_set_claimed ( int claimed );
+
+/**
+ * Claim network devices for use by iPXE
+ *
+ */
+static inline void efi_snp_claim ( void ) {
+	efi_snp_set_claimed ( 1 );
+}
+
+/**
+ * Release network devices for use via SNP
+ *
+ */
+static inline void efi_snp_release ( void ) {
+	efi_snp_set_claimed ( 0 );
+}
+
+#endif /* _IPXE_EFI_SNP_H */