Re: [PATCH v2 3/9] iommu/ioasid: Introduce ioasid_set APIs

From: Jacob Pan
Date: Wed Sep 02 2020 - 17:40:03 EST


On Mon, 24 Aug 2020 11:34:29 -0700
Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote:

> On 8/24/20 11:28 AM, Jean-Philippe Brucker wrote:
> >> +/**
> >> + * struct ioasid_set - Meta data about ioasid_set
> >> + * @type: Token types and other features
> > nit: doesn't follow struct order
> >
> >> + * @token: Unique to identify an IOASID set
> >> + * @xa: XArray to store ioasid_set private IDs, can be used for
> >> + * guest-host IOASID mapping, or just a private IOASID namespace.
> >> + * @quota: Max number of IOASIDs can be allocated within the set
> >> + * @nr_ioasids Number of IOASIDs currently allocated in the set
>
> * @nr_ioasids: Number of IOASIDs currently allocated in the set
>
got it. thanks!

> >> + * @sid: ID of the set
> >> + * @ref: Reference count of the users
> >> + */
> >> struct ioasid_set {
> >> - int dummy;
> >> + void *token;
> >> + struct xarray xa;
> >> + int type;
> >> + int quota;
> >> + int nr_ioasids;
> >> + int sid;
> >> + refcount_t ref;
> >> + struct rcu_head rcu;
> >> };
>
>

[Jacob Pan]