Re: [dpdk-dev] [PATCH] net/mlx5: fix UAR memory mapping type

2020-07-23 Thread Raslan Darawsheh
Hi, > -Original Message- > From: Ori Kam > Sent: Thursday, July 23, 2020 2:58 PM > To: Slava Ovsiienko ; dev@dpdk.org > Cc: Matan Azrad ; Raslan Darawsheh > ; Thomas Monjalon ; > Dekel Peled > Subject: RE: [dpdk-dev] [PATCH] net/mlx5: fix

Re: [dpdk-dev] [PATCH] net/mlx5: fix UAR memory mapping type

2020-07-23 Thread Ori Kam
> -Original Message- > From: dev On Behalf Of Viacheslav Ovsiienko > > The User Access Region is a special mechanism to provide direct > access to the hardware registers, and is the part of PCI address > space that is mapped to CPU virtual address. The mapping can be > performed with t

[dpdk-dev] [PATCH] net/mlx5: fix UAR memory mapping type

2020-07-22 Thread Viacheslav Ovsiienko
The User Access Region is a special mechanism to provide direct access to the hardware registers, and is the part of PCI address space that is mapped to CPU virtual address. The mapping can be performed with the type "Write-Combining" or "Non-Cached", and these ones might be supported or not on dif