From: Ian Jackson <ian.jackson@eu.citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: wei.liu2@citrix.com, xen-devel@lists.xen.org
Subject: Re: [PATCH 0/3] libxl: add framework for device types
Date: Wed, 6 Jul 2016 13:47:14 +0100 [thread overview]
Message-ID: <22396.64978.24502.488069@mariner.uk.xensource.com> (raw)
In-Reply-To: <577CFC38.7090007@suse.com>
Juergen Gross writes ("Re: [PATCH 0/3] libxl: add framework for device types"):
> On 06/07/16 13:04, Ian Jackson wrote:
> >> + for (i = 0; i < d_config->num_pcidevs; i++) {
> >> + rc = libxl__device_pci_add(gc, domid, &d_config->pcidevs[i], 1);
> >> + if (rc < 0) {
> >> + LOG(ERROR, "libxl_device_pci_add failed: %d", rc);
> >> + goto out;
> >> + }
> >> + }
> >> +
> >
> > And there is similar code in 3/3 for dtdevs. Could that be lifted
> > away somehow ? (You'd have to take some care about the types, sadly;
> > ie, I think libxl__device_pci_add might have to start to take a
> > void*; maybe some macros could make things typesafe?)
>
> I thought about this idea already. I think we would end up with more
> code which would be rather unpleasant to read. Main reason is the
> need for a dtdev wrapper function and the pci backend creation.
I'm not sure what you mean by dtdev wrapper function.
As for pci backend, there could be a separate hook for "after adding
all devices of this type".
But if you don't think this is feasible I won't insist on it. The
approach you have is already a big improvement.
Ian.
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next prev parent reply other threads:[~2016-07-06 12:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 14:24 [PATCH 0/3] libxl: add framework for device types Juergen Gross
2016-06-21 14:24 ` [PATCH 1/3] " Juergen Gross
2016-06-21 14:24 ` [PATCH 2/3] libxl: refactor domcreate_attach_pci() to use device type framework Juergen Gross
2016-06-21 14:24 ` [PATCH 3/3] libxl: refactor domcreate_attach_dtdev() " Juergen Gross
2016-07-04 10:26 ` [PATCH 0/3] libxl: add framework for device types Juergen Gross
2016-07-06 11:04 ` Ian Jackson
2016-07-06 12:40 ` Juergen Gross
2016-07-06 12:47 ` Ian Jackson [this message]
2016-07-06 12:55 ` Juergen Gross
2016-07-06 16:09 ` Ian Jackson
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