netdev - Re: [RFC next-next v2 2/5] net: marvell: prestera: Add PCI interface support

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Message-ID: <20200501000015.GC22077@lunn.ch>
Date:   Fri, 1 May 2020 02:00:15 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vadym Kochan <vadym.kochan@...ision.eu>
Cc:     netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        Serhiy Boiko <serhiy.boiko@...ision.eu>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Andrii Savka <andrii.savka@...ision.eu>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Subject: Re: [RFC next-next v2 2/5] net: marvell: prestera: Add PCI interface
 support

On Fri, May 01, 2020 at 02:20:49AM +0300, Vadym Kochan wrote:
> Add PCI interface driver for Prestera Switch ASICs family devices, which
> provides:
> 
>     - Firmware loading mechanism
>     - Requests & events handling to/from the firmware
>     - Access to the firmware on the bus level
> 
> The firmware has to be loaded each time device is reset. The driver is
> loading it from:
> 
>     /lib/firmware/marvell/prestera_fw-v{MAJOR}.{MINOR}.img
> 
> The full firmware image version is located within internal header and
> consists of 3 numbers - MAJOR.MINOR.PATCH. Additionally, driver has
> hard-coded minimum supported firmware version which it can work with:
> 
>     MAJOR - reflects the support on ABI level between driver and loaded
>             firmware, this number should be the same for driver and loaded
>             firmware.
> 
>     MINOR - this is the minimum supported version between driver and the
>             firmware.
> 
>     PATCH - indicates only fixes, firmware ABI is not changed.
> 
> Firmware image file name contains only MAJOR and MINOR numbers to make
> driver be compatible with any PATCH version.

Hi Vadym

What are the plans for getting the firmware into linux-firmware git
repo?

	Andrew