> -----Original Message-----
> From: Xen-devel [mailto:xen-devel-boun...@lists.xenproject.org] On Behalf Of
> Roger Pau Monne
> Sent: 07 June 2019 10:22
> To: xen-devel@lists.xenproject.org
> Cc: Stefano Stabellini <sstabell...@kernel.org>; Wei Liu <w...@xen.org>;
> Konrad Rzeszutek Wilk
> <konrad.w...@oracle.com>; George Dunlap <george.dun...@citrix.com>; Andrew
> Cooper
> <andrew.coop...@citrix.com>; Ian Jackson <ian.jack...@citrix.com>; Tim
> (Xen.org) <t...@xen.org>; Julien
> Grall <julien.gr...@arm.com>; Jan Beulich <jbeul...@suse.com>; Roger Pau
> Monne <roger....@citrix.com>
> Subject: [Xen-devel] [PATCH v3 02/13] pci: introduce a devfn field to
> pci_sbdf_t
>
> This is equivalent to the current extfunc field in term of contents.
>
> Switch the two current users of extfunc to use devfn instead for
> correctness.
>
> No functional change.
>
> Requested-by: Jan Beulich <jbeul...@suse.com>
> Signed-off-by: Roger Pau Monné <roger....@citrix.com>
Reviewed-by: Paul Durrant <paul.durr...@citrix.com>
> ---
> Cc: Andrew Cooper <andrew.coop...@citrix.com>
> Cc: George Dunlap <george.dun...@eu.citrix.com>
> Cc: Ian Jackson <ian.jack...@eu.citrix.com>
> Cc: Jan Beulich <jbeul...@suse.com>
> Cc: Julien Grall <julien.gr...@arm.com>
> Cc: Konrad Rzeszutek Wilk <konrad.w...@oracle.com>
> Cc: Stefano Stabellini <sstabell...@kernel.org>
> Cc: Tim Deegan <t...@xen.org>
> Cc: Wei Liu <w...@xen.org>
> ---
> Changes since v2:
> - Switch declaration order of the devfn and extfunc fields.
>
> Changes since v1:
> - New in this version.
> ---
> xen/drivers/vpci/vpci.c | 4 ++--
> xen/include/xen/pci.h | 3 ++-
> 2 files changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/xen/drivers/vpci/vpci.c b/xen/drivers/vpci/vpci.c
> index b03232fe30..ca598675ea 100644
> --- a/xen/drivers/vpci/vpci.c
> +++ b/xen/drivers/vpci/vpci.c
> @@ -327,7 +327,7 @@ uint32_t vpci_read(pci_sbdf_t sbdf, unsigned int reg,
> unsigned int size)
> }
>
> /* Find the PCI dev matching the address. */
> - pdev = pci_get_pdev_by_domain(d, sbdf.seg, sbdf.bus, sbdf.extfunc);
> + pdev = pci_get_pdev_by_domain(d, sbdf.seg, sbdf.bus, sbdf.devfn);
> if ( !pdev )
> return vpci_read_hw(sbdf, reg, size);
>
> @@ -432,7 +432,7 @@ void vpci_write(pci_sbdf_t sbdf, unsigned int reg,
> unsigned int size,
> * Find the PCI dev matching the address.
> * Passthrough everything that's not trapped.
> */
> - pdev = pci_get_pdev_by_domain(d, sbdf.seg, sbdf.bus, sbdf.extfunc);
> + pdev = pci_get_pdev_by_domain(d, sbdf.seg, sbdf.bus, sbdf.devfn);
> if ( !pdev )
> {
> vpci_write_hw(sbdf, reg, size, data);
> diff --git a/xen/include/xen/pci.h b/xen/include/xen/pci.h
> index dab1a86dd4..c61fd7e262 100644
> --- a/xen/include/xen/pci.h
> +++ b/xen/include/xen/pci.h
> @@ -49,7 +49,8 @@ typedef union {
> uint8_t fn : 3,
> dev : 5;
> };
> - uint8_t extfunc;
> + uint8_t devfn,
> + extfunc;
> };
> uint8_t bus;
> };
> --
> 2.20.1 (Apple Git-117)
>
>
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