lkml.org 
[lkml]   [2021]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH RFC v1 1/6] swiotlb: define new enumerated type
Date
This is just to define new enumerated type without functional change.

The 'SWIOTLB_LO' is to index legacy 32-bit swiotlb buffer, while the
'SWIOTLB_HI' is to index the 64-bit buffer.

This is to prepare to enable 64-bit swiotlb.

Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
include/linux/swiotlb.h | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
index d9c9fc9ca5d2..ca125c1b1281 100644
--- a/include/linux/swiotlb.h
+++ b/include/linux/swiotlb.h
@@ -17,6 +17,12 @@ enum swiotlb_force {
SWIOTLB_NO_FORCE, /* swiotlb=noforce */
};

+enum swiotlb_t {
+ SWIOTLB_LO,
+ SWIOTLB_HI,
+ SWIOTLB_MAX,
+};
+
/*
* Maximum allowable number of contiguous slabs to map,
* must be a power of 2. What is the appropriate value ?
--
2.17.1
\
 
 \ /
  Last update: 2021-02-04 00:42    [W:0.187 / U:1.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site