From 2c52de4f914806c040f62d9fc3ee88081a7aa56b Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Sun, 17 Jul 2011 21:28:53 +0200 Subject: List kernel buffers --- pcilib_types.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'pcilib_types.h') diff --git a/pcilib_types.h b/pcilib_types.h index 237f1db..d8dd6f5 100644 --- a/pcilib_types.h +++ b/pcilib_types.h @@ -1,6 +1,14 @@ #ifndef _PCILIB_TYPES_H #define _PCILIB_TYPES_H +#define KMEM_REF_HW 0x80000000 /**< Special reference to indicate hardware access */ +#define KMEM_REF_COUNT 0x0FFFFFFF /**< Mask of reference counter (mmap/munmap), couting in mmaped memory pages */ + +#define KMEM_MODE_REUSABLE 0x80000000 /**< Indicates reusable buffer */ +#define KMEM_MODE_EXCLUSIVE 0x40000000 /**< Only a single process is allowed to mmap the buffer */ +#define KMEM_MODE_PERSISTENT 0x20000000 /**< Persistent mode instructs kmem_free to preserve buffer in memory */ +#define KMEM_MODE_COUNT 0x0FFFFFFF /**< Mask of reuse counter (alloc/free) */ + typedef enum { PCILIB_KMEM_TYPE_CONSISTENT = 0, PCILIB_KMEM_TYPE_PAGE, -- cgit v1.2.3