From a21dea7a0d06cbdfe9a94c88b1ba99425bf2e102 Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Sat, 14 May 2016 01:10:33 +0200
Subject: Allow mapping of arbitrary memory areas

---
 pcilib/mem.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 pcilib/mem.h

(limited to 'pcilib/mem.h')

diff --git a/pcilib/mem.h b/pcilib/mem.h
new file mode 100644
index 0000000..2e3ac02
--- /dev/null
+++ b/pcilib/mem.h
@@ -0,0 +1,29 @@
+#ifndef _PCILIB_MEM_H
+#define _PCILIB_MEM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Maps the specified memory area in the address space of the process. 
+ * @param[in,out] ctx 	- pcilib context
+ * @param[in] addr	- hardware address (should be page-aligned)
+ * @param[in] size	- size (should be multiple of page size)
+ * return 		- the address where the memory area is mapped
+ */
+void *pcilib_map_area(pcilib_t *ctx, uintptr_t addr, size_t size);
+
+/**
+ * Unmaps the specified memory area in the address space of the process. 
+ * @param[in,out] ctx 	- pcilib context
+ * @param[in] addr	- pointer to the virtual address where the area is mapped
+ * @param[in] size	- size (should be multiple of page size)
+ */
+void pcilib_unmap_area(pcilib_t *ctx, void *addr, size_t size);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _PCILIB_MEM_H */
-- 
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