diff options
-rw-r--r-- | Documentation/ntb.txt | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/ntb.txt b/Documentation/ntb.txt index a043854d28df..344a075f81f5 100644 --- a/Documentation/ntb.txt +++ b/Documentation/ntb.txt @@ -41,9 +41,10 @@ mainly used to perform the proper memory window initialization. Typically there are two types of memory window interfaces supported by the NTB API: inbound translation configured on the local ntb port and outbound translation configured by the peer, on the peer ntb port. The first type is -depicted on the next figure +depicted on the next figure:: + + Inbound translation: -Inbound translation: Memory: Local NTB Port: Peer NTB Port: Peer MMIO: ____________ | dma-mapped |-ntb_mw_set_trans(addr) | @@ -58,9 +59,10 @@ maps corresponding outbound memory window so to have access to the shared memory region. The second type of interface, that implies the shared windows being -initialized by a peer device, is depicted on the figure: +initialized by a peer device, is depicted on the figure:: + + Outbound translation: -Outbound translation: Memory: Local NTB Port: Peer NTB Port: Peer MMIO: ____________ ______________ | dma-mapped | | | MW base addr |<== memory-mapped IO |