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From: David Vrabel <david.vrabel@citrix.com>
To: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	Jan Beulich <jbeulich@suse.com>,
	xen-devel@lists.xen.org
Subject: Re: [PATCH 12/13] xen/events: Add the hypervisor interface for the FIFO-based event channels
Date: Thu, 26 Sep 2013 12:06:56 +0100	[thread overview]
Message-ID: <52441550.4040902@citrix.com> (raw)
In-Reply-To: <20130924150622.GK4712@phenom.dumpdata.com>

On 24/09/13 16:06, Konrad Rzeszutek Wilk wrote:
> On Fri, Sep 13, 2013 at 06:00:00PM +0100, David Vrabel wrote:
>> From: David Vrabel <david.vrabel@citrix.com>
>>
>> Add the hypercall sub-ops and the structures for the shared data used
>> in the FIFO-based event channel ABI.
> 
> And you should include an URL to the design document. Or include the
> text version of it (if possible) in this description.

The design doc is 16 pages and has diagrams, not something that could be
included in a commit message.  I'll add a link.

>> +struct evtchn_fifo_control_block {
>> +	uint32_t     ready;
>> +	uint32_t     _rsvd1;
> 
> 
> The design document looks to have 'READY' be 2 bytes? Octet 0 and 1?
> (figure 2).

The docs need to be updated -- we only require the guest to be able to
do atomic ops on 32-bit values.

David

  reply	other threads:[~2013-09-26 11:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-13 16:59 (no subject) David Vrabel
2013-09-13 16:59 ` [PATCH 01/13] xen/events: refactor retrigger_dynirq() and resend_irq_on_evtchn() David Vrabel
2013-09-24 14:37   ` Konrad Rzeszutek Wilk
2013-09-24 16:04     ` David Vrabel
2013-09-13 16:59 ` [PATCH 02/13] xen/events: remove unnecessary init_evtchn_cpu_bindings() David Vrabel
2013-09-24 14:40   ` Konrad Rzeszutek Wilk
2013-09-24 16:06     ` David Vrabel
2013-09-24 16:49       ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 03/13] xen/events: introduce test_and_set_mask David Vrabel
2013-09-24 14:40   ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 04/13] xen/events: replace raw bit ops with functions David Vrabel
2013-09-24 14:41   ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 05/13] xen/events: move drivers/xen/events.c into drivers/xen/events/ David Vrabel
2013-09-13 16:59 ` [PATCH 06/13] xen/events: move 2-level specific code into its own file David Vrabel
2013-09-13 16:59 ` [PATCH 07/13] xen/events: add struct evtchn_ops for the low-level port operations David Vrabel
2013-09-24 14:44   ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 08/13] xen/events: allow setup of irq_info to fail David Vrabel
2013-09-24 14:47   ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 09/13] xen/events: add a evtchn_op for port setup David Vrabel
2013-09-24 14:47   ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 10/13] xen/events: Refactor evtchn_to_irq array to be dynamically allocated David Vrabel
2013-09-24 14:58   ` Konrad Rzeszutek Wilk
2013-09-26 10:53     ` David Vrabel
2013-09-26 12:51       ` Konrad Rzeszutek Wilk
2013-09-13 16:59 ` [PATCH 11/13] xen/events: add xen_evtchn_mask_all() David Vrabel
2013-09-24 14:58   ` Konrad Rzeszutek Wilk
2013-09-13 17:00 ` [PATCH 12/13] xen/events: Add the hypervisor interface for the FIFO-based event channels David Vrabel
2013-09-24 15:06   ` Konrad Rzeszutek Wilk
2013-09-26 11:06     ` David Vrabel [this message]
2013-09-24 15:08   ` Konrad Rzeszutek Wilk
2013-09-24 16:11     ` David Vrabel
2013-09-24 16:51       ` Konrad Rzeszutek Wilk
2013-09-13 17:00 ` [PATCH 13/13] xen/events: use the FIFO-based ABI if available David Vrabel
2013-09-24 15:50   ` Konrad Rzeszutek Wilk
2013-09-24 16:48     ` David Vrabel
2013-09-24 17:04       ` Konrad Rzeszutek Wilk
2013-09-13 17:03 ` [RFC PATCHv3 00/12] Linux: FIFO-based event channel ABI David Vrabel

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