Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / pcibackup.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/pcibackup.h b/qemu/roms/ipxe/src/include/ipxe/pcibackup.h
new file mode 100644 (file)
index 0000000..b9f55cf
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/pcibackup.h
@@ -0,0 +1,33 @@
+#ifndef _IPXE_PCIBACKUP_H
+#define _IPXE_PCIBACKUP_H
+
+/** @file
+ *
+ * PCI configuration space backup and restoration
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <stdint.h>
+
+/** A PCI configuration space backup */
+struct pci_config_backup {
+       uint32_t dwords[64];
+};
+
+/** PCI configuration space backup exclusion list end marker */
+#define PCI_CONFIG_BACKUP_EXCLUDE_END 0xff
+
+/** Define a PCI configuration space backup exclusion list */
+#define PCI_CONFIG_BACKUP_EXCLUDE(...) \
+       { __VA_ARGS__, PCI_CONFIG_BACKUP_EXCLUDE_END }
+
+extern void pci_backup ( struct pci_device *pci,
+                        struct pci_config_backup *backup,
+                        const uint8_t *exclude );
+extern void pci_restore ( struct pci_device *pci,
+                         struct pci_config_backup *backup,
+                         const uint8_t *exclude );
+
+#endif /* _IPXE_PCIBACKUP_H */