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Groups > linux.kernel > #1711534
| From | Andrew Lunn <andrew@lunn.ch> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH net-next 06/11] net: dsa: debugfs: add port registers |
| Date | 2017-08-15 00:50 +0200 |
| Message-ID | <uewlk-1wb-17@gated-at.bofh.it> (permalink) |
| References | <uew1Y-1pG-9@gated-at.bofh.it> <uewbD-1sJ-9@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Aug 14, 2017 at 06:22:37PM -0400, Vivien Didelot wrote:
> Add a debug filesystem "regs" entry to query a port's hardware registers
> through the .get_regs_len and .get_regs_len switch operations.
>
> This is very convenient because it allows one to dump the registers of
> DSA links, which are not exposed to userspace.
>
> Here are the registers of a zii-rev-b CPU and DSA ports:
>
> # pr -mt switch0/port{5,6}/regs
> 0: 4e07 0: 4d04
> 1: 403e 1: 003d
> 2: 0000 2: 0000
> 3: 3521 3: 3521
> 4: 0533 4: 373f
> 5: 8000 5: 0000
> 6: 005f 6: 003f
> 7: 002a 7: 002a
> 8: 2080 8: 2080
> 9: 0001 9: 0001
> 10: 0000 10: 0000
> 11: 0020 11: 0000
> 12: 0000 12: 0000
> 13: 0000 13: 0000
> 14: 0000 14: 0000
> 15: 9100 15: dada
> 16: 0000 16: 0000
> 17: 0000 17: 0000
> 18: 0000 18: 0000
> 19: 0000 19: 00d8
> 20: 0000 20: 0000
> 21: 0000 21: 0000
> 22: 0022 22: 0000
> 23: 0000 23: 0000
> 24: 3210 24: 3210
> 25: 7654 25: 7654
> 26: 0000 26: 0000
> 27: 8000 27: 8000
> 28: 0000 28: 0000
> 29: 0000 29: 0000
> 30: 0000 30: 0000
> 31: 0000 31: 0000
>
> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Andrew
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[PATCH net-next 00/11] net: dsa: add generic debugfs interface Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:30 +0200
[PATCH net-next 09/11] net: dsa: debugfs: add port mdb Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:30 +0200
Re: [PATCH net-next 09/11] net: dsa: debugfs: add port mdb Andrew Lunn <andrew@lunn.ch> - 2017-08-15 01:00 +0200
Re: [PATCH net-next 09/11] net: dsa: debugfs: add port mdb Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:40 +0200
[PATCH net-next 01/11] net: dsa: legacy: assign dst->applied Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:30 +0200
Re: [PATCH net-next 01/11] net: dsa: legacy: assign dst->applied Andrew Lunn <andrew@lunn.ch> - 2017-08-15 01:00 +0200
[PATCH net-next 08/11] net: dsa: restore mdb dump Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:30 +0200
Re: [PATCH net-next 08/11] net: dsa: restore mdb dump Andrew Lunn <andrew@lunn.ch> - 2017-08-15 00:50 +0200
Re: [PATCH net-next 08/11] net: dsa: restore mdb dump Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:40 +0200
[PATCH net-next 07/11] net: dsa: debugfs: add port fdb Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:40 +0200
Re: [PATCH net-next 07/11] net: dsa: debugfs: add port fdb Andrew Lunn <andrew@lunn.ch> - 2017-08-15 00:50 +0200
Re: [PATCH net-next 07/11] net: dsa: debugfs: add port fdb Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:40 +0200
[PATCH net-next 06/11] net: dsa: debugfs: add port registers Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:40 +0200
Re: [PATCH net-next 06/11] net: dsa: debugfs: add port registers Andrew Lunn <andrew@lunn.ch> - 2017-08-15 00:50 +0200
RE: [PATCH net-next 06/11] net: dsa: debugfs: add port registers <Woojung.Huh@microchip.com> - 2017-08-15 18:30 +0200
Re: [PATCH net-next 06/11] net: dsa: debugfs: add port registers Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:40 +0200
[PATCH net-next 05/11] net: dsa: debugfs: add port stats Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:40 +0200
Re: [PATCH net-next 05/11] net: dsa: debugfs: add port stats Andrew Lunn <andrew@lunn.ch> - 2017-08-15 00:50 +0200
Re: [PATCH net-next 05/11] net: dsa: debugfs: add port stats Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:40 +0200
[PATCH net-next 02/11] net: dsa: add debugfs interface Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-08-15 00:40 +0200
Re: [PATCH net-next 02/11] net: dsa: add debugfs interface Florian Fainelli <f.fainelli@gmail.com> - 2017-08-15 19:30 +0200
Re: [PATCH net-next 00/11] net: dsa: add generic debugfs interface Florian Fainelli <f.fainelli@gmail.com> - 2017-08-19 00:00 +0200
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