1 files changed, 19 insertions, 0 deletions
diff --git a/lib/physmem.h b/lib/physmem.h
new file mode 100644
index 0000000..46ee021
--- /dev/null
+++ b/lib/physmem.h
@@ -0,0 +1,19 @@
+/*
+ *      The PCI Library -- Physical memory mapping API
+ *
+ *      Copyright (c) 2023 Pali Rohár <pali@kernel.org>
+ *
+ *      Can be freely distributed and used under the terms of the GNU GPL v2+
+ *
+ *      SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+struct physmem;
+
+void physmem_init_config(struct pci_access *a);
+int physmem_access(struct pci_access *a, int w);
+struct physmem *physmem_open(struct pci_access *a, int w);
+void physmem_close(struct physmem *physmem);
+long physmem_get_pagesize(struct physmem *physmem);
+void *physmem_map(struct physmem *physmem, u64 addr, size_t length, int w);
+int physmem_unmap(struct physmem *physmem, void *ptr, size_t length);