Re: [PATCH 09/14] cxl/mem: Add a "RAW" send command

2021-02-01 Thread Dan Williams
On Mon, Feb 1, 2021 at 11:36 AM Konrad Rzeszutek Wilk wrote: > > On Mon, Feb 01, 2021 at 11:27:08AM -0800, Ben Widawsky wrote: > > On 21-02-01 13:24:00, Konrad Rzeszutek Wilk wrote: > > > On Fri, Jan 29, 2021 at 04:24:33PM -0800, Ben Widawsky wrote: > > > > The CXL memory device send interface wil

Re: [PATCH 09/14] cxl/mem: Add a "RAW" send command

2021-02-01 Thread Konrad Rzeszutek Wilk
On Mon, Feb 01, 2021 at 11:27:08AM -0800, Ben Widawsky wrote: > On 21-02-01 13:24:00, Konrad Rzeszutek Wilk wrote: > > On Fri, Jan 29, 2021 at 04:24:33PM -0800, Ben Widawsky wrote: > > > The CXL memory device send interface will have a number of supported > > > commands. The raw command is not such

Re: [PATCH 09/14] cxl/mem: Add a "RAW" send command

2021-02-01 Thread Ben Widawsky
On 21-02-01 13:24:00, Konrad Rzeszutek Wilk wrote: > On Fri, Jan 29, 2021 at 04:24:33PM -0800, Ben Widawsky wrote: > > The CXL memory device send interface will have a number of supported > > commands. The raw command is not such a command. Raw commands allow > > userspace to send a specified opcod

Re: [PATCH 09/14] cxl/mem: Add a "RAW" send command

2021-02-01 Thread Konrad Rzeszutek Wilk
On Fri, Jan 29, 2021 at 04:24:33PM -0800, Ben Widawsky wrote: > The CXL memory device send interface will have a number of supported > commands. The raw command is not such a command. Raw commands allow > userspace to send a specified opcode to the underlying hardware and > bypass all driver checks

[PATCH 09/14] cxl/mem: Add a "RAW" send command

2021-01-30 Thread Ben Widawsky
The CXL memory device send interface will have a number of supported commands. The raw command is not such a command. Raw commands allow userspace to send a specified opcode to the underlying hardware and bypass all driver checks on the command. This is useful for a couple of usecases, mainly: 1. U