Merge with http://ufo.kit.edu/ufo/log/csa/pcitool 369 revision

1 files changed, 21 insertions, 0 deletions

diff --git a/driver/umem.h b/driver/umem.h
index d16c466..d504ecb 100644
--- a/driver/umem.h
+++ b/driver/umem.h
@@ -1,5 +1,26 @@
+#ifndef _PCIDRIVER_UMEM_H
+#define _PCIDRIVER_UMEM_H
+
+#include <linux/sysfs.h>
+
+#include "ioctl.h"
+
+/* Define an entry in the umem list (this list is per device) */
+/* This list keeps references to the SG lists for each mapped userspace region */
+typedef struct {
+    int id;
+    struct list_head list;
+    unsigned int nr_pages;		/* number of pages for this user memeory area */
+    struct page **pages;		/* list of pointers to the pages */
+    unsigned int nents;			/* actual entries in the scatter/gatter list (NOT nents for the map function, but the result) */
+    struct scatterlist *sg;		/* list of sg entries */
+    struct device_attribute sysfs_attr;	/* initialized when adding the entry */
+} pcidriver_umem_entry_t;
+
 int pcidriver_umem_sgmap( pcidriver_privdata_t *privdata, umem_handle_t *umem_handle );
 int pcidriver_umem_sgunmap( pcidriver_privdata_t *privdata, pcidriver_umem_entry_t *umem_entry );
 int pcidriver_umem_sgget( pcidriver_privdata_t *privdata, umem_sglist_t *umem_sglist );
 int pcidriver_umem_sync( pcidriver_privdata_t *privdata, umem_handle_t *umem_handle );
 pcidriver_umem_entry_t *pcidriver_umem_find_entry_id( pcidriver_privdata_t *privdata, int id );
+
+#endif /* _PCIDRIVER_UMEM_H */