From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>,
xiantao.zhang@intel.com, xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH resend 3/3] pciif: add multi-vector-MSI command
Date: Tue, 16 Jul 2013 12:19:30 +0100 [thread overview]
Message-ID: <51E52C42.1000808@citrix.com> (raw)
In-Reply-To: <51E5395002000078000E54B2@nat28.tlf.novell.com>
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On 16/07/13 11:15, Jan Beulich wrote:
> The requested vector count is to be passed in struct xen_pci_op's info
> field. Upon failure, if a smaller vector count might work, the backend
> will pass that smaller count in the value field (which so far is always
> being set to zero in the error path).
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
>
> --- a/xen/include/public/io/pciif.h
> +++ b/xen/include/public/io/pciif.h
> @@ -46,6 +46,7 @@
> #define XEN_PCI_OP_aer_resume (7)
> #define XEN_PCI_OP_aer_mmio (8)
> #define XEN_PCI_OP_aer_slotreset (9)
> +#define XEN_PCI_OP_enable_multi_msi (10)
/* Be sure to bump this number if you change this file */
#define XEN_PCI_MAGIC "7"
Should you bump this version, or is the comment stale? The only in-tree
consumer I can find is MiniOS's pcifront, which writes it into xenstore.
~Andrew
>
> /* xen_pci_op error numbers */
> #define XEN_PCI_ERR_success (0)
>
>
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
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next prev parent reply other threads:[~2013-07-16 11:19 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-16 10:00 [PATCH resend 0/3] x86/IOMMU: multi-vector MSI Jan Beulich
2013-07-16 10:13 ` [PATCH resend 1/3] VT-d: enable for " Jan Beulich
2013-07-16 11:15 ` Andrew Cooper
2013-07-16 11:32 ` Jan Beulich
2013-07-17 9:50 ` Andrew Cooper
2013-07-18 10:48 ` Zhang, Xiantao
2013-07-16 10:14 ` [PATCH resend 2/3] x86: enable " Jan Beulich
2013-07-16 11:36 ` Andrew Cooper
2013-07-16 11:48 ` Jan Beulich
2013-07-17 10:02 ` Andrew Cooper
2013-08-05 13:11 ` Ping: " Jan Beulich
2013-08-08 9:02 ` Keir Fraser
2013-07-16 10:15 ` [PATCH resend 3/3] pciif: add multi-vector-MSI command Jan Beulich
2013-07-16 11:19 ` Andrew Cooper [this message]
2013-07-16 11:35 ` Jan Beulich
2013-07-17 9:02 ` Andrew Cooper
2013-08-05 13:12 ` Ping: " Jan Beulich
2013-08-08 9:02 ` Keir Fraser
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