linux-hardened/drivers/virtio/config.c
Rusty Russell ec3d41c4db Virtio interface
This attempts to implement a "virtual I/O" layer which should allow
common drivers to be efficiently used across most virtual I/O
mechanisms.  It will no-doubt need further enhancement.

The virtio drivers add buffers to virtio queues; as the buffers are consumed
the driver "interrupt" callbacks are invoked.

There is also a generic implementation of config space which drivers can query
to get setup information from the host.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Dor Laor <dor.laor@qumranet.com>
Cc: Arnd Bergmann <arnd@arndb.de>
2007-10-23 15:49:54 +10:00

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324 B
C

/* Configuration space parsing helpers for virtio.
*
* The configuration is [type][len][... len bytes ...] fields.
*
* Copyright 2007 Rusty Russell, IBM Corporation.
* GPL v2 or later.
*/
#include <linux/err.h>
#include <linux/virtio.h>
#include <linux/virtio_config.h>
#include <linux/bug.h>
#include <asm/system.h>