Re: [PATCH v8 1/3] dmaengine: ptdma: Initial driver for the AMD PTDMA

2021-04-20 Thread Sanjay R Mehta
On 3/22/2021 10:36 PM, Randy Dunlap wrote: > [CAUTION: External Email] > > On 3/21/21 9:59 PM, Sanjay R Mehta wrote: >> From: Sanjay R Mehta >> >> Add support for AMD PTDMA controller. It performs high-bandwidth >> memory to memory and IO copy operation. Device commands are managed >> via a

Re: [PATCH v8 1/3] dmaengine: ptdma: Initial driver for the AMD PTDMA

2021-03-22 Thread Randy Dunlap
On 3/21/21 9:59 PM, Sanjay R Mehta wrote: > From: Sanjay R Mehta > > Add support for AMD PTDMA controller. It performs high-bandwidth > memory to memory and IO copy operation. Device commands are managed > via a circular queue of 'descriptors', each of which specifies source > and destination

[PATCH v8 1/3] dmaengine: ptdma: Initial driver for the AMD PTDMA

2021-03-21 Thread Sanjay R Mehta
From: Sanjay R Mehta Add support for AMD PTDMA controller. It performs high-bandwidth memory to memory and IO copy operation. Device commands are managed via a circular queue of 'descriptors', each of which specifies source and destination addresses for copying a single buffer of data.