[PATCH] usbmon in 2.6.13: peeking into DMA areas
This code looks at urb->transfer_dma, maps the page and takes the data.
I am looking for volunteers to contribute architectures other than i386
or to develop an architecure-neutral API for it (or point me that it
was done already).
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/mon/usb_mon.h b/drivers/usb/mon/usb_mon.h
index 9b06784..4be0f93 100644
--- a/drivers/usb/mon/usb_mon.h
+++ b/drivers/usb/mon/usb_mon.h
@@ -45,6 +45,10 @@
void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r);
+/*
+ */
+extern char mon_dmapeek(unsigned char *dst, dma_addr_t dma_addr, int len);
+
extern struct semaphore mon_lock;
extern struct file_operations mon_fops_text;