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From: Peter Hilber <peter.hilber@opensynergy.com>
To: Cristian Marussi <cristian.marussi@arm.com>,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	virtualization@lists.linux-foundation.org,
	virtio-dev@lists.oasis-open.org
Cc: sudeep.holla@arm.com, james.quinlan@broadcom.com,
	Jonathan.Cameron@Huawei.com, f.fainelli@gmail.com,
	etienne.carriere@linaro.org, vincent.guittot@linaro.org,
	souvik.chakravarty@arm.com, igor.skalkin@opensynergy.com,
	alex.bennee@linaro.org, jean-philippe@linaro.org,
	mikhail.golubev@opensynergy.com, anton.yakovlev@opensynergy.com,
	Vasyl.Vavrychuk@opensynergy.com,
	Andriy.Tryshnivskyy@opensynergy.com
Subject: Re: [PATCH v4 14/16] firmware: arm_scmi: Add virtio transport
Date: Thu, 1 Jul 2021 10:43:07 +0200	[thread overview]
Message-ID: <ccc64935-08fa-d1a3-fc21-227c9d05fe24@opensynergy.com> (raw)
In-Reply-To: <20210611165937.701-15-cristian.marussi@arm.com>

On 11.06.21 18:59, Cristian Marussi wrote:

<snip>

> +static struct virtio_driver virtio_scmi_driver = {
> +	.driver.name = "scmi-virtio",
> +	.driver.owner = THIS_MODULE,
> +	.feature_table = features,
> +	.feature_table_size = ARRAY_SIZE(features),
> +	.id_table = id_table,
> +	.probe = scmi_vio_probe,
> +	.remove = scmi_vio_remove,
> +};
> +

It might be good to also check for the VIRTIO_F_VERSION_1 feature bit in 
the optional .validate op (not yet implemented above), as some other 
devices do (quoting virtio-snd in the following):

> /**
>  * virtsnd_validate() - Validate if the device can be started.
>  * @vdev: VirtIO parent device.
>  *
>  * Context: Any context.
>  * Return: 0 on success, -EINVAL on failure.
>  */
> static int virtsnd_validate(struct virtio_device *vdev)
> {

<snip>

> 
> 	if (!virtio_has_feature(vdev, VIRTIO_F_VERSION_1)) {
> 		dev_err(&vdev->dev,
> 			"device does not comply with spec version 1.x\n");
> 		return -EINVAL;
> 	}
> 

<snip>

> 
> static struct virtio_driver virtsnd_driver = {
> 	.driver.name = KBUILD_MODNAME,
> 	.driver.owner = THIS_MODULE,
> 	.id_table = id_table,
> 	.validate = virtsnd_validate,

(end of virtio-snd quote)

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  parent reply	other threads:[~2021-07-01  9:01 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11 16:59 [PATCH v4 00/16] Introduce SCMI VirtIO transport Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 01/16] firmware: arm_scmi: Fix max pending messages boundary check Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:04     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 02/16] firmware: arm_scmi: Add support for type handling in common functions Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 03/16] firmware: arm_scmi: Add transport optional init/exit support Cristian Marussi
2021-06-14 13:29   ` Jonathan Cameron
2021-06-16  9:04     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 04/16] firmware: arm_scmi: Introduce monotonically increasing tokens Cristian Marussi
2021-06-14 13:53   ` Jonathan Cameron
2021-06-16  9:11     ` Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:16     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 05/16] firmware: arm_scmi: Introduce delegated xfers support Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:24     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 06/16] firmware: arm_scmi, smccc, mailbox: Make shmem based transports optional Cristian Marussi
2021-07-01  8:42   ` Peter Hilber
2021-07-01 10:27     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 07/16] firmware: arm_scmi: Add op to override max message # Cristian Marussi
2021-06-14 14:04   ` Jonathan Cameron
2021-06-16  9:13     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 08/16] [RFC][REWORK] " Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 09/16] firmware: arm_scmi: Add optional link_supplier() transport op Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 10/16] firmware: arm_scmi: Add per-device transport private info Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 11/16] firmware: arm_scmi: Add is_scmi_protocol_device() Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 12/16] firmware: arm_scmi: Add message passing abstractions for transports Cristian Marussi
2021-06-14 14:10   ` Jonathan Cameron
2021-06-16  9:14     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 13/16] dt-bindings: arm: Add virtio transport for SCMI Cristian Marussi
2021-06-24 19:22   ` Rob Herring
2021-07-01  8:43   ` Peter Hilber
2021-07-01 10:31     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 14/16] firmware: arm_scmi: Add virtio transport Cristian Marussi
2021-06-14 14:23   ` Jonathan Cameron
2021-06-16 10:18     ` Cristian Marussi
2021-07-01  8:43   ` Peter Hilber [this message]
2021-07-01 10:34     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 15/16] [RFC][REWORK] firmware: arm_scmi: make virtio-scmi use delegated xfers Cristian Marussi
2021-07-01  8:43   ` Peter Hilber
2021-07-01 11:26     ` Cristian Marussi
2021-06-11 16:59 ` [PATCH v4 16/16] firmware: arm_scmi: Add polling mode to virtio transport Cristian Marussi
2021-06-14 11:43 ` [PATCH v4 00/16] Introduce SCMI VirtIO transport Christoph Hellwig
2021-06-14 14:03   ` Cristian Marussi

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