Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi, On Wed, 8 Nov 2023 at 10:38, Palmer Dabbelt wrote: > > On Tue, 07 Nov 2023 15:12:16 PST (-0800), Conor Dooley wrote: > > +CC Palmer > > > > On Tue, Nov 07, 2023 at 05:38:37PM -0500, Tom Rini wrote: > >> On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > >> > On Tue, Nov 07, 2023

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, 07 Nov 2023 15:12:16 PST (-0800), Conor Dooley wrote: +CC Palmer On Tue, Nov 07, 2023 at 05:38:37PM -0500, Tom Rini wrote: On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > further clarify or not > > the

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/8/23 08:44, Tom Rini wrote: On Wed, Nov 08, 2023 at 07:25:22AM -0800, Heinrich Schuchardt wrote: On 11/8/23 06:37, Tom Rini wrote: On Wed, Nov 08, 2023 at 06:23:37AM -0800, Heinrich Schuchardt wrote: On 11/7/23 16:34, Tom Rini wrote: On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Doole

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Wed, Nov 08, 2023 at 07:25:22AM -0800, Heinrich Schuchardt wrote: > On 11/8/23 06:37, Tom Rini wrote: > > On Wed, Nov 08, 2023 at 06:23:37AM -0800, Heinrich Schuchardt wrote: > > > On 11/7/23 16:34, Tom Rini wrote: > > > > On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Dooley wrote: > > > > > O

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/8/23 06:37, Tom Rini wrote: On Wed, Nov 08, 2023 at 06:23:37AM -0800, Heinrich Schuchardt wrote: On 11/7/23 16:34, Tom Rini wrote: On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Dooley wrote: On Tue, Nov 07, 2023 at 06:23:05PM -0500, Tom Rini wrote: [snip] Thanks. Setting aside Simon'

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Wed, Nov 08, 2023 at 06:23:37AM -0800, Heinrich Schuchardt wrote: > On 11/7/23 16:34, Tom Rini wrote: > > On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Dooley wrote: > > > On Tue, Nov 07, 2023 at 06:23:05PM -0500, Tom Rini wrote: > > [snip] > > > > Thanks. Setting aside Simon's follow-up, this

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/7/23 16:34, Tom Rini wrote: On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Dooley wrote: On Tue, Nov 07, 2023 at 06:23:05PM -0500, Tom Rini wrote: [snip] Thanks. Setting aside Simon's follow-up, this is what I was looking for. We might have to wait for Heinrich to return from the confer

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi I am late to the party but [...] > > I can't help to think that you like the FDT as a well understood and > > flexible general purpose data structure. And it can indeed be used as a > > configuration file, especially since you have the parser in your code > > already - the FIT image is a good

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Andre, On Tue, 7 Nov 2023 at 08:12, Andre Przywara wrote: > > On Tue, 7 Nov 2023 05:22:58 -0700 > Simon Glass wrote: > > Hi Simon, > > > Hi Andre, > > > > On Tue, 7 Nov 2023 at 04:27, Andre Przywara > > wrote: > > > > > > On Tue, 7 Nov 2023 01:08:15 + > > > Simon Glass wrote: > > > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Wed, Nov 08, 2023 at 12:29:03AM +, Conor Dooley wrote: > On Tue, Nov 07, 2023 at 06:23:05PM -0500, Tom Rini wrote: [snip] > > Thanks. Setting aside Simon's follow-up, this is what I was looking for. > > We might have to wait for Heinrich to return from the conference to have > > time to look

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 06:23:05PM -0500, Tom Rini wrote: > On Tue, Nov 07, 2023 at 11:12:16PM +, Conor Dooley wrote: > > +CC Palmer > > > > On Tue, Nov 07, 2023 at 05:38:37PM -0500, Tom Rini wrote: > > > On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > > > > On Tue, Nov 07, 202

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 11:12:16PM +, Conor Dooley wrote: > +CC Palmer > > On Tue, Nov 07, 2023 at 05:38:37PM -0500, Tom Rini wrote: > > On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > > > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > > > > > > > further c

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 03:51:21PM -0700, Simon Glass wrote: > Hi, > > On Tue, 7 Nov 2023 at 15:38, Tom Rini wrote: > > > > On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > > > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > > > > > > > further clarify or not > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

+CC Palmer On Tue, Nov 07, 2023 at 05:38:37PM -0500, Tom Rini wrote: > On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > > > > further clarify or not > > > the RISC-V ISA thing that's elsewhere in this thread (and

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi, On Tue, 7 Nov 2023 at 15:38, Tom Rini wrote: > > On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > > > > further clarify or not > > > the RISC-V ISA thing that's elsewhere in this thread (and part of the > > > k

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 10:27:50PM +, Conor Dooley wrote: > On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > > > > further clarify or not > > the RISC-V ISA thing that's elsewhere in this thread (and part of the > > kernel, not a U-Boot thing). > > TBH, this a bit fragmented acros

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 05:10:23PM -0500, Tom Rini wrote: > further clarify or not > the RISC-V ISA thing that's elsewhere in this thread (and part of the > kernel, not a U-Boot thing). TBH, this a bit fragmented across threads, and as someone that hasn't been following it it's a bit difficult t

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 03:52:36PM -0600, Rob Herring wrote: > On Tue, Nov 7, 2023 at 1:30 PM Tom Rini wrote: > > > > On Tue, Nov 07, 2023 at 01:10:44AM +, Simon Glass wrote: > > > Hi Tom, > > > > > > On Mon, 6 Nov 2023 at 13:46, Tom Rini wrote: > > > > > > > > On Mon, Nov 06, 2023 at 01:38:3

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 03:12:48PM +, Andre Przywara wrote: > On Tue, 7 Nov 2023 05:22:58 -0700 > Simon Glass wrote: [snip] > > We already have a perfectly good way of selecting between multiple > > devices. It is used all over U-Boot. We should not be inventing a > > hard-coded hack just beca

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 05:22:58AM -0700, Simon Glass wrote: > Hi Andre, > > On Tue, 7 Nov 2023 at 04:27, Andre Przywara wrote: > > > > On Tue, 7 Nov 2023 01:08:15 + > > Simon Glass wrote: > > > > Hi Simon, > > > > > On Mon, 6 Nov 2023 at 21:55, Andre Przywara > > > wrote: > > > > > > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 7, 2023 at 1:30 PM Tom Rini wrote: > > On Tue, Nov 07, 2023 at 01:10:44AM +, Simon Glass wrote: > > Hi Tom, > > > > On Mon, 6 Nov 2023 at 13:46, Tom Rini wrote: > > > > > > On Mon, Nov 06, 2023 at 01:38:39PM -0700, Simon Glass wrote: > > > > Hi Andre, > > > > > > > > On Mon, 6 Nov

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 11:27:08AM +, Andre Przywara wrote: > On Tue, 7 Nov 2023 01:08:15 + > Simon Glass wrote: > > Hi Simon, > > > On Mon, 6 Nov 2023 at 21:55, Andre Przywara wrote: > > > > > > On Mon, 6 Nov 2023 13:38:39 -0700 > > > Simon Glass wrote: > > > > > > Hi Simon, > > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, Nov 07, 2023 at 01:10:44AM +, Simon Glass wrote: > Hi Tom, > > On Mon, 6 Nov 2023 at 13:46, Tom Rini wrote: > > > > On Mon, Nov 06, 2023 at 01:38:39PM -0700, Simon Glass wrote: > > > Hi Andre, > > > > > > On Mon, 6 Nov 2023 at 10:26, Andre Przywara > > > wrote: > > > > > > > > On Sa

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, 7 Nov 2023 05:22:58 -0700 Simon Glass wrote: Hi Simon, > Hi Andre, > > On Tue, 7 Nov 2023 at 04:27, Andre Przywara > wrote: > > > > On Tue, 7 Nov 2023 01:08:15 + > > Simon Glass wrote: > > > > Hi Simon, > > > > > On Mon, 6 Nov 2023 at 21:55, Andre Przywara > > > wrote: > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Andre, On Tue, 7 Nov 2023 at 04:27, Andre Przywara wrote: > > On Tue, 7 Nov 2023 01:08:15 + > Simon Glass wrote: > > Hi Simon, > > > On Mon, 6 Nov 2023 at 21:55, Andre Przywara wrote: > > > > > > On Mon, 6 Nov 2023 13:38:39 -0700 > > > Simon Glass wrote: > > > > > > Hi Simon, > > > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, 7 Nov 2023 01:08:15 + Simon Glass wrote: Hi Simon, > On Mon, 6 Nov 2023 at 21:55, Andre Przywara wrote: > > > > On Mon, 6 Nov 2023 13:38:39 -0700 > > Simon Glass wrote: > > > > Hi Simon, > > > > > On Mon, 6 Nov 2023 at 10:26, Andre Przywara > > > wrote: > > > > > > > > On Sat

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Tom, On Mon, 6 Nov 2023 at 13:46, Tom Rini wrote: > > On Mon, Nov 06, 2023 at 01:38:39PM -0700, Simon Glass wrote: > > Hi Andre, > > > > On Mon, 6 Nov 2023 at 10:26, Andre Przywara wrote: > > > > > > On Sat, 4 Nov 2023 19:45:06 + > > > Simon Glass wrote: > > > > > > Hi, > > > > > > > On

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Andre, On Mon, 6 Nov 2023 at 21:55, Andre Przywara wrote: > > On Mon, 6 Nov 2023 13:38:39 -0700 > Simon Glass wrote: > > Hi Simon, > > > On Mon, 6 Nov 2023 at 10:26, Andre Przywara wrote: > > > > > > On Sat, 4 Nov 2023 19:45:06 + > > > Simon Glass wrote: > > > > > > Hi, > > > > > > > On

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Mon, 6 Nov 2023 13:38:39 -0700 Simon Glass wrote: Hi Simon, > On Mon, 6 Nov 2023 at 10:26, Andre Przywara wrote: > > > > On Sat, 4 Nov 2023 19:45:06 + > > Simon Glass wrote: > > > > Hi, > > > > > On Sat, 4 Nov 2023 at 17:13, Andre Przywara > > > wrote: > > > > > > > > On Fri, 3 No

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Mon, Nov 06, 2023 at 01:38:39PM -0700, Simon Glass wrote: > Hi Andre, > > On Mon, 6 Nov 2023 at 10:26, Andre Przywara wrote: > > > > On Sat, 4 Nov 2023 19:45:06 + > > Simon Glass wrote: > > > > Hi, > > > > > On Sat, 4 Nov 2023 at 17:13, Andre Przywara > > > wrote: > > > > > > > > On Fri

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Andre, On Mon, 6 Nov 2023 at 10:26, Andre Przywara wrote: > > On Sat, 4 Nov 2023 19:45:06 + > Simon Glass wrote: > > Hi, > > > On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: > > > > > > On Fri, 3 Nov 2023 13:38:58 -0600 > > > Simon Glass wrote: > > > > > > Hi Simon, > > > > > > > Hi

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Mon, Nov 06, 2023 at 05:26:01PM +, Andre Przywara wrote: > On Sat, 4 Nov 2023 19:45:06 + > Simon Glass wrote: > > Hi, > > > On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: > > > > > > On Fri, 3 Nov 2023 13:38:58 -0600 > > > Simon Glass wrote: > > > > > > Hi Simon, > > > > > > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Mon, 6 Nov 2023 11:46:27 -0500 Tom Rini wrote: Hi Tom, > On Sat, Nov 04, 2023 at 05:12:12PM +, Andre Przywara wrote: > > On Fri, 3 Nov 2023 13:38:58 -0600 > > Simon Glass wrote: > > > > Hi Simon, > > > > > Hi Heinrich, > > > > > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Sat, 4 Nov 2023 19:45:06 + Simon Glass wrote: Hi, > On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: > > > > On Fri, 3 Nov 2023 13:38:58 -0600 > > Simon Glass wrote: > > > > Hi Simon, > > > > > Hi Heinrich, > > > > > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > > > wrote:

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Tom, On Mon, 6 Nov 2023 at 09:46, Tom Rini wrote: > > On Sat, Nov 04, 2023 at 05:12:12PM +, Andre Przywara wrote: > > On Fri, 3 Nov 2023 13:38:58 -0600 > > Simon Glass wrote: > > > > Hi Simon, > > > > > Hi Heinrich, > > > > > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > > > wrote

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Sat, Nov 04, 2023 at 05:12:12PM +, Andre Przywara wrote: > On Fri, 3 Nov 2023 13:38:58 -0600 > Simon Glass wrote: > > Hi Simon, > > > Hi Heinrich, > > > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > > wrote: > > > > > > On 11/1/23 19:05, Andre Przywara wrote: > > > > On Tue, 31

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Heinrich, On Sat, 4 Nov 2023 at 20:36, Heinrich Schuchardt wrote: > > On 11/4/23 21:45, Simon Glass wrote: > > Hi Andre, > > > > On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: > >> > >> On Fri, 3 Nov 2023 13:38:58 -0600 > >> Simon Glass wrote: > >> > >> Hi Simon, > >> > >>> Hi Heinrich,

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/4/23 21:45, Simon Glass wrote: Hi Andre, On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: On Fri, 3 Nov 2023 13:38:58 -0600 Simon Glass wrote: Hi Simon, Hi Heinrich, On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt wrote: On 11/1/23 19:05, Andre Przywara wrote: On Tue, 31 Oct

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Andre, On Sat, 4 Nov 2023 at 17:13, Andre Przywara wrote: > > On Fri, 3 Nov 2023 13:38:58 -0600 > Simon Glass wrote: > > Hi Simon, > > > Hi Heinrich, > > > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > > wrote: > > > > > > On 11/1/23 19:05, Andre Przywara wrote: > > > > On Tue, 31 Oct

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Fri, 3 Nov 2023 13:38:58 -0600 Simon Glass wrote: Hi Simon, > Hi Heinrich, > > On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt > wrote: > > > > On 11/1/23 19:05, Andre Przywara wrote: > > > On Tue, 31 Oct 2023 14:55:50 +0200 > > > Heinrich Schuchardt wrote: > > > > > > Hi Heinrich, > >

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

Hi Heinrich, On Wed, 1 Nov 2023 at 14:20, Heinrich Schuchardt wrote: > > On 11/1/23 19:05, Andre Przywara wrote: > > On Tue, 31 Oct 2023 14:55:50 +0200 > > Heinrich Schuchardt wrote: > > > > Hi Heinrich, > > > >> The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR. It > >> provides

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/1/23 19:05, Andre Przywara wrote: On Tue, 31 Oct 2023 14:55:50 +0200 Heinrich Schuchardt wrote: Hi Heinrich, The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR. It provides an interface to a physical entropy source. A RNG driver based on the seed CSR is provided. It depe

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/1/23 13:49, Andre Przywara wrote: On Wed, 1 Nov 2023 13:16:24 -0400 Sean Anderson wrote: Hi Sean, On 11/1/23 13:05, Andre Przywara wrote: On Tue, 31 Oct 2023 14:55:50 +0200 Heinrich Schuchardt wrote: Hi Heinrich, The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR.

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Wed, 1 Nov 2023 13:16:24 -0400 Sean Anderson wrote: Hi Sean, > On 11/1/23 13:05, Andre Przywara wrote: > > On Tue, 31 Oct 2023 14:55:50 +0200 > > Heinrich Schuchardt wrote: > > > > Hi Heinrich, > > > >> The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR. It > >> provides a

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On 11/1/23 13:05, Andre Przywara wrote: On Tue, 31 Oct 2023 14:55:50 +0200 Heinrich Schuchardt wrote: Hi Heinrich, The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR. It provides an interface to a physical entropy source. A RNG driver based on the seed CSR is provided. It depe

Re: [PATCH v3 0/2] rng: Provide a RNG based on the RISC-V Zkr ISA extension

On Tue, 31 Oct 2023 14:55:50 +0200 Heinrich Schuchardt wrote: Hi Heinrich, > The Zkr ISA extension (ratified Nov 2021) introduced the seed CSR. It > provides an interface to a physical entropy source. > > A RNG driver based on the seed CSR is provided. It depends on > mseccfg.sseed being set in