Re: [Qemu-devel] [PATCH] net: rocker: set limit to DMA buffer size

2016-10-20 Thread Jason Wang
On 2016年10月12日 17:52, Jiri Pirko wrote: Wed, Oct 12, 2016 at 11:10:55AM CEST, ppan...@redhat.com wrote: From: Prasad J Pandit Rocker network switch emulator has test registers to help debug DMA operations. While testing host DMA access, a buffer address is written to register 'TEST_DMA_ADDR'

Re: [Qemu-devel] [PATCH] net: rocker: set limit to DMA buffer size

2016-10-12 Thread Jiri Pirko
Wed, Oct 12, 2016 at 11:10:55AM CEST, ppan...@redhat.com wrote: >From: Prasad J Pandit > >Rocker network switch emulator has test registers to help debug >DMA operations. While testing host DMA access, a buffer address >is written to register 'TEST_DMA_ADDR' and its size is written to >register 'T

[Qemu-devel] [PATCH] net: rocker: set limit to DMA buffer size

2016-10-12 Thread P J P
From: Prasad J Pandit Rocker network switch emulator has test registers to help debug DMA operations. While testing host DMA access, a buffer address is written to register 'TEST_DMA_ADDR' and its size is written to register 'TEST_DMA_SIZE'. When performing TEST_DMA_CTRL_INVERT test, if DMA buffe